/* 绿邮Y系列开发板管理平台 - Material-UI风格现代化设计 */

/* ===== CSS自定义属性 - 设计令牌系统 ===== */
:root {
  /* 主色调系统 - 以绿色为主 */
  --primary-main: #49af8b;
  --primary-dark: #3d9474;
  --primary-light: #acd8cc;
  --primary-50: rgba(73, 175, 139, 0.04);
  --primary-100: rgba(73, 175, 139, 0.08);
  --primary-200: rgba(73, 175, 139, 0.12);
  --primary-300: rgba(73, 175, 139, 0.16);

  /* 文字颜色系统 */
  --text-primary: #666460;
  --text-secondary: #8b8c8e;
  --text-disabled: #c0c0c0;
  --text-white: #ffffff;

  /* 背景颜色系统 */
  --background-default: #f8f9fa;
  --background-paper: #ffffff;
  --background-hover: #f0f9ff;

  /* 边框颜色 */
  --border-color: #e0e0e0;

  /* 状态颜色系统 */
  --success-main: #4caf50;
  --success-light: #e8f5e8;
  --success-dark: #388e3c;
  --warning-main: #ff9800;
  --warning-light: #fff3e0;
  --warning-dark: #f57c00;
  --error-main: #f44336;
  --error-light: #ffebee;
  --error-dark: #d32f2f;
  --info-main: #2196f3;
  --info-light: #e3f2fd;
  --info-dark: #1976d2;
  
  /* 文字颜色扩展 */
  --text-light: #f5f5f5;

  /* 阴影系统 - Material Design Elevation */
  --shadow-1: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-2: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-3: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-4: 0 16px 32px rgba(0, 0, 0, 0.16);
  --shadow-primary: 0 8px 24px rgba(73, 175, 139, 0.3);

  /* 来电铃声自定义变量 */
  --ringtone-bg: #f8f9fa;
  --ringtone-border: #dee2e6;
  --ringtone-primary: #49af8b;
  --ringtone-secondary: #6c757d;
  --ringtone-hover: #acd8cc;
}

  /* 圆角系统 */
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 20px;

  /* 间距系统 - 8px基准 */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 40px;
  --spacing-2xl: 48px;

  /* 动画系统 */
  --transition-duration-short: 0.15s;
  --transition-duration-standard: 0.3s;
  --transition-duration-long: 0.5s;
  --transition-easing-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-easing-decelerate: cubic-bezier(0, 0, 0.2, 1);
  --transition-easing-accelerate: cubic-bezier(0.4, 0, 1, 1);

  /* Z-index层级 */
  --z-index-appbar: 1100;
  --z-index-drawer: 1200;
  --z-index-modal: 1300;
  --z-index-snackbar: 1400;
  --z-index-tooltip: 1500;
}

/* ===== 全局重置和基础样式 ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 14px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--background-default) 0%, #e9ecef 100%);
  line-height: 1.5;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

/* ===== 布局容器 ===== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ===== 现代化头部设计 ===== */
header {
  background: linear-gradient(135deg, var(--primary-main) 0%, var(--primary-dark) 100%);
  color: var(--text-white);
  padding: var(--spacing-lg) 0;
  box-shadow: var(--shadow-2);
  position: relative;
  overflow: hidden;
}

header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

header .container {
  position: relative;
  z-index: 1;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80px;
}

.header-title {
  text-align: center;
  flex: 1;
}

.header-title h1 {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  letter-spacing: -0.025em;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  justify-content: center;
}

.header-title p {
  font-size: 1rem;
  opacity: 0.9;
  font-weight: 300;
  letter-spacing: 0.025em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.user-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-md);
  backdrop-filter: blur(10px);
}

.user-name {
  color: var(--text-white);
  font-size: 0.95rem;
  font-weight: 500;
}

.logout-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
}

.logout-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

.logout-btn:active {
  transform: translateY(0);
}

.logout-btn svg {
  transition: transform var(--transition-duration-short) var(--transition-easing-standard);
}

.logout-btn:hover svg {
  transform: translateX(2px);
}

/* ===== 现代化导航栏 ===== */
.main-nav {
  background: var(--background-paper);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--primary-100);
  box-shadow: var(--shadow-1);
  position: sticky;
  top: 0;
  z-index: var(--z-index-appbar);
}

.nav-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) 0;
}

.nav-item {
  padding: 12px 18px;
  cursor: pointer;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-secondary);
  position: relative;
  white-space: nowrap;
  user-select: none;
  text-transform: none;
}

.nav-item::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-main), var(--primary-dark));
  border-radius: var(--border-radius-md);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  transform: translateX(-50%);
}

.nav-item:hover {
  background: var(--primary-50);
  color: var(--primary-main);
  transform: translateY(-1px);
}

.nav-item:hover::before {
  width: 60%;
}

.nav-item.active {
  color: var(--primary-main);
  background: var(--primary-50);
  font-weight: 600;
}

.nav-item.active::before {
  width: 80%;
}

/* ===== 内容区域 ===== */
.content {
  padding: var(--spacing-lg) 0;
  min-height: calc(100vh - 200px);
}

.tab-content {
  display: none;
  animation: slideInUp var(--transition-duration-long) var(--transition-easing-decelerate);
}

.tab-content.active {
  display: block;
}

/* ===== Material Card组件 ===== */
.card {
  background: var(--background-paper);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-1);
  border: 1px solid var(--primary-100);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-3);
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  letter-spacing: -0.025em;
  position: relative;
}

.card-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-main), var(--primary-dark));
  border-radius: var(--border-radius-md);
}

/* ===== 统计卡片组件 ===== */
.device-overview,
.bulk-sms-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.overview-item {
  background: linear-gradient(135deg, var(--primary-main) 0%, var(--primary-light) 100%);
  color: var(--text-white);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  position: relative;
  padding: var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.overview-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary);
}

.overview-number {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  line-height: 1;
}

.overview-label {
  font-size: 0.875rem;
  opacity: 0.9;
  font-weight: 400;
}

/* ===== 现代化按钮系统 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 10px 18px;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  position: relative;
  overflow: hidden;
  user-select: none;
  min-height: 38px;
  border: none;
  text-transform: none;
  letter-spacing: 0.025em;
  background: var(--primary-main);
  color: var(--text-white);
}

.btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary-main);
  color: var(--primary-main);
}

.btn-outline:hover {
  border-color: var(--primary-main);
  background: var(--primary-50);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 8px 14px;
  font-size: 0.8rem;
  min-height: 32px;
}

.btn:disabled {
  background: var(--text-disabled);
  color: var(--text-white);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ===== 现代化表单系统 ===== */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.85rem;
  letter-spacing: 0.025em;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--primary-200);
  border-radius: var(--border-radius-md);
  font-family: inherit;
  font-size: 0.9rem;
  background: var(--background-paper);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  color: var(--text-primary);
}

.form-control:hover {
  border-color: var(--primary-main);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-main);
  box-shadow: 0 0 0 3px var(--primary-50);
  transform: translateY(-1px);
}

.form-control::placeholder {
  color: var(--text-disabled);
  font-style: italic;
}

/* ===== 设备网格布局 ===== */
.devices-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.device-card {
  background: var(--background-paper);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-1);
  border: 1px solid var(--primary-100);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  position: relative;
  overflow: hidden;
}

.device-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-main), var(--primary-dark));
  transition: width var(--transition-duration-standard) var(--transition-easing-standard);
}

.device-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-3);
}

.device-card:hover::before {
  width: 6px;
}

.device-card.offline {
  opacity: 0.7;
  filter: grayscale(0.3);
}

.device-card.offline::before {
  background: linear-gradient(135deg, var(--text-disabled), var(--text-secondary));
}

.device-card.blacklisted {
  background: rgba(244, 67, 54, 0.02);
  border-color: rgba(244, 67, 54, 0.15);
}

.device-card.blacklisted::before {
  background: linear-gradient(135deg, var(--error-main), #d32f2f);
}

/* ===== 现代化模态框 ===== */
.modal {
  display: none;
  position: fixed;
  z-index: var(--z-index-modal);
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  animation: fadeIn var(--transition-duration-standard) var(--transition-easing-standard);
}

.modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.modal-content {
  background: var(--background-paper);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-4);
  border: 1px solid var(--primary-100);
  animation: scaleIn var(--transition-duration-long) var(--transition-easing-decelerate);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--primary-100);
}

.modal-title {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.025em;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-secondary);
  padding: var(--spacing-xs);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-duration-short) var(--transition-easing-standard);
}

.modal-close:hover {
  color: var(--text-primary);
  background: var(--primary-100);
}

.modal-body {
  margin-bottom: var(--spacing-lg);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--primary-100);
}

/* ===== 状态指示器 ===== */
.status-indicator {
  position: relative;
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-right: var(--spacing-xs);
}

.status-indicator.pulse::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border-radius: 50%;
  background: inherit;
  opacity: 0.3;
  animation: pulse 2s infinite;
}

.status-success { background: var(--success-main); }
.status-warning { background: var(--warning-main); }
.status-error { background: var(--error-main); }
.status-info { background: var(--info-main); }
.status-offline { background: var(--text-disabled); }

/* ===== 错误状态样式 ===== */
.error-state {
  text-align: center;
  padding: var(--spacing-2xl);
  background: var(--error-light);
  border-radius: var(--border-radius-lg);
  border: 2px solid var(--error-main);
}

.error-state h4 {
  color: var(--error-dark);
  margin-bottom: var(--spacing-sm);
  font-size: 1.2rem;
  font-weight: 600;
}

.error-state p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  font-size: 1rem;
}

.error-state .btn {
  background: var(--error-main);
  color: var(--text-white);
  border: none;
  font-weight: 500;
}

.error-state .btn:hover {
  background: var(--error-dark);
  transform: translateY(-2px);
}

.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
}

.empty-state h4 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  font-size: 1.2rem;
  font-weight: 600;
}

.empty-state p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

/* ===== 加载指示器 ===== */
.loading-indicator {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-lg);
  color: var(--text-secondary);
  position: relative;
}

.loading-indicator::before {
  content: '';
  width: 40px;
  height: 40px;
  border: 3px solid var(--primary-50);
  border-top: 3px solid var(--primary-main);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-right: var(--spacing-sm);
}

/* ===== 消息列表 ===== */
.message-list {
  list-style: none;
  padding: 0;
}

.message-item {
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
  border: 1px solid var(--primary-100);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
}

.message-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-2);
}

.message-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xs);
}

.message-type {
  font-weight: 600;
  color: var(--primary-main);
}

.message-time {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ===== 统计图表区域 ===== */
.chart-wrapper {
  padding: var(--spacing-md);
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

.statistics-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.statistics-controls {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

/* ===== 设备过滤器 ===== */
.device-filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  align-items: end;
}

.filter-group {
  display: flex;
    flex-direction: column;
  gap: var(--spacing-xs);
}

.filter-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  align-items: center;
}

.filter-actions .btn {
  min-width: 120px;
  white-space: nowrap;
}

/* ===== 添加设备表单 ===== */
.add-device-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)) auto;
  gap: var(--spacing-sm);
  align-items: end;
}

.add-device-form .btn {
  min-width: 120px;
  white-space: nowrap;
  justify-self: start;
}

/* ===== 联系人管理 ===== */
.contacts-management,
.task-management {
  margin-bottom: var(--spacing-md);
}

.contacts-actions,
.task-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  flex-wrap: wrap;
  align-items: center;
}

.contacts-actions .btn,
.task-actions .btn {
  min-width: 120px;
  white-space: nowrap;
}

.contacts-filters,
.task-filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  align-items: end;
}

.contacts-table-container {
  overflow-x: auto;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

/* ===== 任务列表 ===== */
.tasks-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

/* ===== 发送统计 ===== */
.send-statistics {
  padding: var(--spacing-md);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-sm);
  background: var(--primary-50);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-main);
}

/* ===== 测试页面样式 ===== */
.device-status {
  display: flex;
  align-items: center;
  margin-top: 12px;
  padding: 10px 12px;
  background: var(--primary-50);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
  font-size: 0.85rem;
}

.char-count {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
}

.toggle-password {
  position: absolute;
  right: var(--spacing-sm);
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  user-select: none;
  color: var(--text-secondary);
  font-size: 1.125rem;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  background: transparent;
  border: none;
  z-index: 10;
}

.toggle-password:hover {
  color: var(--primary-main);
  background: var(--primary-50);
  transform: translateY(-50%) scale(1.1);
}

.toggle-password:active {
  transform: translateY(-50%) scale(0.95);
}

.toggle-password svg {
  transition: all var(--transition-duration-short) var(--transition-easing-standard);
}

.toggle-password:hover svg {
  transform: scale(1.1);
}

/* 为包含密码切换图标的表单组添加相对定位 */
.form-group:has(.toggle-password) {
  position: relative;
}

.form-group:has(.toggle-password) .form-control {
  padding-right: calc(var(--spacing-lg) + var(--spacing-sm));
}

.message-history {
  margin-top: var(--spacing-md);
}

.button-group {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  align-items: center;
}

.button-group .btn {
  min-width: 100px;
  white-space: nowrap;
}

.call-status-container {
  margin-bottom: var(--spacing-sm);
}

.call-status {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm);
  background: var(--primary-50);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

/* ===== 设备卡片按钮优化 ===== */
.device-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--primary-100);
}

.device-actions-primary,
.device-actions-secondary,
.device-actions-danger {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.device-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  white-space: nowrap;
  min-width: auto;
  flex: 1;
  justify-content: center;
  border: none;
  cursor: pointer;
}

.device-btn svg {
  flex-shrink: 0;
  transition: transform var(--transition-duration-standard) var(--transition-easing-standard);
}

.device-btn:hover:not(.disabled) svg {
  transform: scale(1.1);
}

.device-btn.btn-primary {
  background: linear-gradient(135deg, var(--primary-main), var(--primary-dark));
  color: var(--text-white);
  box-shadow: var(--shadow-1);
}

.device-btn.btn-primary:hover:not(.disabled) {
  box-shadow: var(--shadow-primary);
  transform: translateY(-1px);
}

.device-btn.btn-outline {
  background: var(--background-paper);
  color: var(--text-primary);
  border: 1px solid var(--primary-200);
}

.device-btn.btn-outline:hover:not(.disabled) {
  background: var(--primary-50);
  border-color: var(--primary-main);
  color: var(--primary-main);
  transform: translateY(-1px);
}

.device-btn.btn-warning {
  background: linear-gradient(135deg, var(--warning-main), #e68900);
  color: var(--text-white);
}

.device-btn.btn-warning:hover:not(.disabled) {
  box-shadow: 0 4px 12px rgba(255, 152, 0, 0.3);
  transform: translateY(-1px);
}

.device-btn.btn-danger {
  background: linear-gradient(135deg, var(--error-main), #d32f2f);
  color: var(--text-white);
}

.device-btn.btn-danger:hover:not(.disabled) {
  box-shadow: 0 4px 12px rgba(244, 67, 54, 0.3);
  transform: translateY(-1px);
}

.device-btn.disabled,
.device-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.device-btn.disabled:hover,
.device-btn:disabled:hover {
  transform: none !important;
}

/* ===== 设备配置模态框优化 ===== */
.device-config-modal {
  max-width: 800px;
  width: 90vw;
  max-height: 90vh;
  overflow: hidden;
}

.device-config-modal .modal-header {
  background: linear-gradient(135deg, var(--primary-main), var(--primary-dark));
  color: white;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.modal-header-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.device-config-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(10px);
}

.modal-title-section .modal-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: white;
}

.modal-subtitle {
  margin: 4px 0 0 0;
  font-size: 0.875rem;
  opacity: 0.8;
  color: white;
}

.device-config-modal .modal-close {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-left: auto;
}

.device-config-modal .modal-close:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.05);
}

.device-config-modal .modal-body {
  padding: 0;
  overflow-y: auto;
  max-height: calc(90vh - 200px);
}

.config-sections {
  padding: var(--spacing-lg);
}

.config-section {
  margin-bottom: var(--spacing-xl);
  background: var(--background-paper);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--primary-100);
  overflow: hidden;
}

.config-section:last-child {
  margin-bottom: 0;
}

.section-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--primary-50);
  border-bottom: 1px solid var(--primary-100);
}

.section-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--primary-main);
  color: white;
  border-radius: var(--border-radius-md);
}

.section-title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.config-section .form-group {
  margin: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.config-section .form-group:last-child {
  margin-bottom: var(--spacing-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

/* 密码字段样式 */
.password-field .input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-field .form-control {
  padding-right: 48px;
}

.password-toggle {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--border-radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.password-toggle:hover {
  background: var(--primary-50);
  color: var(--primary-main);
}

/* 复选框样式优化 */
.checkbox-group {
  margin-bottom: var(--spacing-md);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  font-weight: 500;
  color: var(--text-primary);
}

.checkbox-label input[type="checkbox"] {
  display: none;
}

.checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--primary-200);
  border-radius: var(--border-radius-sm);
  background: white;
  position: relative;
  transition: all var(--transition-fast);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
  background: var(--primary-main);
  border-color: var(--primary-main);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkbox-text {
  font-size: 0.9rem;
}

/* 字段提示样式 */
.field-hint {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* 模态框底部按钮 */
.device-config-modal .modal-footer {
  padding: var(--spacing-lg);
  background: var(--background-default);
  border-top: 1px solid var(--primary-100);
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
}

.device-config-modal .modal-footer .btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 12px 24px;
  font-weight: 500;
  min-width: 120px;
  justify-content: center;
}

/* ===== 动画关键帧 ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideOutRight {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

/* ===== 消息提示样式 ===== */
.device-message-alert {
  position: fixed !important;
  top: 20px !important;
  right: 20px !important;
  z-index: 10000 !important;
  min-width: 300px !important;
  max-width: 500px !important;
  padding: 12px 16px !important;
  border-radius: 6px !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
  font-size: 14px !important;
  line-height: 1.4 !important;
  word-wrap: break-word !important;
  animation: slideInRight 0.3s ease-out !important;
}

/* ===== 设备分类管理样式 ===== */
.category-select-container {
  display: flex;
  gap: 8px;
  align-items: center;
}

.category-select-container select {
  flex: 1;
}

.category-select-container .btn {
  flex-shrink: 0;
  padding: 8px;
  min-width: auto;
}

.category-management-modal .modal-content {
  max-width: 600px;
}

.category-list {
  margin-bottom: 20px;
}

.category-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  margin-bottom: 8px;
  background: var(--bg-secondary);
}

.category-item:last-child {
  margin-bottom: 0;
}

.category-item.default {
  background: var(--primary-50);
  border-color: var(--primary-200);
}

.category-info {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.category-name {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.category-meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.category-actions {
  display: flex;
  gap: 8px;
}

.category-actions .btn {
  padding: 6px 12px;
  font-size: 0.85rem;
}

.add-category-form {
  display: flex;
  gap: 12px;
  padding: 16px;
  background: var(--bg-tertiary);
  border-radius: 6px;
  margin-bottom: 20px;
}

.add-category-form input {
  flex: 1;
}

.add-category-form .btn {
  flex-shrink: 0;
}

/* ===== 响应式设计 ===== */
@media (max-width: 1200px) {
  .container {
    max-width: 100%;
    padding: 0 var(--spacing-sm);
  }
}

@media (max-width: 960px) {
  .device-overview,
  .bulk-sms-overview {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
  }
  
  .devices-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-sm);
  }
  
  .device-filters {
    grid-template-columns: 1fr;
  }
  
  .add-device-form {
    grid-template-columns: 1fr;
  }
  
  .contacts-filters,
  .task-filters {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .content {
    padding: var(--spacing-sm) 0;
  }
  
  .nav-container {
    gap: 0;
    padding: var(--spacing-xs) 0;
  }
  
  .nav-item {
    padding: 8px 12px;
    font-size: 0.8rem;
    border-radius: 0;
  }
  
  .nav-item::before {
    display: none;
  }
  
  .nav-item.active {
    background: var(--primary-main);
    color: var(--text-white);
  }
  
  .card {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
  }
  
  .card-title {
    font-size: 1rem;
  }
  
  .form-control {
    padding: 10px 12px;
    font-size: 16px; /* 防止iOS Safari缩放 */
  }
  
  .btn {
    padding: 10px 16px;
    font-size: 0.85rem;
    min-height: 44px;
}

  .device-overview,
  .bulk-sms-overview {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .modal-content {
    margin: var(--spacing-sm);
    padding: var(--spacing-md);
  }
  
  .statistics-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .contacts-actions,
  .task-actions {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .filter-actions {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .filter-actions .btn,
  .contacts-actions .btn,
  .task-actions .btn {
    min-width: auto;
    width: 100%;
  }
  
  /* 设备按钮响应式 */
  .device-actions-primary,
  .device-actions-secondary,
  .device-actions-danger {
    flex-direction: column;
  }
  
  .device-btn {
    flex: none;
    width: 100%;
  }
  
  /* 设备配置模态框响应式 */
  .device-config-modal {
    width: 95vw;
    max-height: 95vh;
  }
  
  .device-config-modal .modal-header {
    padding: var(--spacing-md);
  }
  
  .modal-header-content {
    gap: var(--spacing-sm);
  }
  
  .device-config-icon {
    width: 40px;
    height: 40px;
  }
  
  .modal-title-section .modal-title {
    font-size: 1.25rem;
  }
  
  .config-sections {
    padding: var(--spacing-md);
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .device-config-modal .modal-footer {
    padding: var(--spacing-md);
    flex-direction: column;
  }
  
  .device-config-modal .modal-footer .btn {
    width: 100%;
    min-width: auto;
  }
}

@media (max-width: 600px) {
  .header-content {
    flex-direction: column;
    gap: var(--spacing-sm);
    min-height: auto;
  }
  
  .header-title {
    order: 1;
  }
  
  .header-actions {
    order: 2;
    justify-content: center;
  }
  
  .header-title h1 {
    font-size: 1.75rem;
  }
  
  .header-title p {
    font-size: 1rem;
  }
  
  .user-info {
    padding: var(--spacing-xs);
  }
  
  .logout-btn {
    padding: var(--spacing-xs);
    font-size: 0.85rem;
  }

  .nav-container {
  flex-wrap: wrap;
}

  .nav-item {
    flex: 1;
  text-align: center;
    min-width: calc(50% - var(--spacing-xs));
  }
  
  .device-overview,
  .bulk-sms-overview {
    grid-template-columns: 1fr;
  }
  
  .device-card {
    padding: var(--spacing-sm);
  }
  
  .btn {
  width: 100%;
    justify-content: center;
  }
  
  .modal-footer {
    flex-direction: column;
  }
  
  .modal-footer .btn {
  width: 100%;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .button-group {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .button-group .btn {
    min-width: auto;
    width: 100%;
  }
}

/* ===== 打印样式 ===== */
@media print {
  .nav-item,
  .btn,
  .modal {
    display: none !important;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ddd;
    page-break-inside: avoid;
  }
  
  .card-title {
    color: #000;
  }
  
  body {
    background: white;
  }
}

/* ===== 无障碍性支持 ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== 高对比度模式 ===== */
@media (prefers-contrast: high) {
  .card {
    border: 2px solid var(--primary-main);
  }
  
  .btn {
    border: 2px solid currentColor;
  }
  
  .form-control {
    border-width: 2px;
  }
}

/* ===== 深色模式预留 ===== */
@media (prefers-color-scheme: dark) {
  :root {
    --background-default: #1a1a1a;
    --background-paper: #2d2d2d;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-disabled: #666666;
  }
}

/* 群发短信功能样式 */

/* 任务卡片样式 */
.task-card {
  background: var(--card-background);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.task-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.task-card.sending {
  border-left: 4px solid var(--warning-color);
  background: linear-gradient(135deg, var(--card-background) 0%, #fff9e6 100%);
}

.task-card.completed {
  border-left: 4px solid var(--success-color);
  background: linear-gradient(135deg, var(--card-background) 0%, #f0f9f0 100%);
}

.task-card.partial {
  border-left: 4px solid var(--warning-color);
  background: linear-gradient(135deg, var(--card-background) 0%, #fff4e6 100%);
}

.task-card.failed {
  border-left: 4px solid var(--error-color);
  background: linear-gradient(135deg, var(--card-background) 0%, #fef2f2 100%);
}

.task-card.cancelled {
  border-left: 4px solid var(--text-muted);
  background: linear-gradient(135deg, var(--card-background) 0%, #f8f9fa 100%);
  opacity: 0.8;
}

/* 任务头部 */
.task-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--border-color);
}

.task-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.task-status-badge {
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.task-status-badge.pending {
  background: #e3f2fd;
  color: #1565c0;
}

.task-status-badge.sending {
  background: #fff3e0;
  color: #ef6c00;
  animation: pulse 2s infinite;
}

.task-status-badge.completed {
  background: #e8f5e8;
  color: #2e7d32;
}

.task-status-badge.partial {
  background: #fff8e1;
  color: #f57c00;
}

.task-status-badge.failed {
  background: #ffebee;
  color: #c62828;
}

.task-status-badge.cancelled {
  background: #f5f5f5;
  color: #616161;
}

/* 任务详情 */
.task-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.task-detail-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.task-detail-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.task-detail-value {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 600;
}

.task-detail-value .success-count {
  color: var(--success-color);
}

.task-detail-value .failed-count {
  color: var(--error-color);
}

/* 任务进度条 */
.task-progress {
  margin-bottom: var(--spacing-md);
}

.task-progress-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xs);
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--background-light);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-color-light));
  border-radius: 4px;
  transition: width 0.3s ease;
  position: relative;
}

.progress-fill.partial {
  background: linear-gradient(90deg, var(--warning-color), #ffb74d);
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.3) 50%,
    transparent 100%
  );
  animation: progress-shine 2s infinite;
}

.task-progress-text {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: var(--spacing-xs);
  font-style: italic;
}

/* 任务错误信息 */
.task-error {
  background: #ffebee;
  border: 1px solid #ffcdd2;
  border-radius: var(--border-radius);
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.error-message {
  font-size: 0.9rem;
  color: #c62828;
  margin: 0;
}

/* 任务操作按钮 */
.task-actions-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.task-actions-buttons .btn {
  flex: 1;
  min-width: 80px;
  font-size: 0.85rem;
  padding: 6px 12px;
}

.btn-execute-task {
  background: var(--success-main);
  color: white;
}

.btn-execute-task:hover {
  background: var(--success-color-dark);
}

.btn-cancel-task {
  background: var(--warning-main);
  color: white;
}

.btn-cancel-task:hover {
  background: var(--warning-color-dark);
}

.btn-retry-task {
  background: var(--primary-color);
  color: white;
}

.btn-retry-task:hover {
  background: var(--primary-color-dark);
}

/* 任务详情模态框 */
.modal-content.large {
  max-width: 900px;
  width: 90vw;
}

.task-details-summary {
  background: var(--background-light);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--border-color);
}

.detail-row:last-child {
  border-bottom: none;
}

.detail-row label {
  font-weight: 600;
  color: var(--text-secondary);
  min-width: 120px;
}

.detail-row span {
  color: var(--text-primary);
  text-align: right;
  flex: 1;
}

.task-content {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-sm);
  margin-top: var(--spacing-xs);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.5;
  white-space: pre-wrap;
  max-height: 120px;
  overflow-y: auto;
}

/* 任务统计 */
.task-statistics {
  margin-bottom: var(--spacing-lg);
}

.task-statistics h4 {
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  font-size: 1.1rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--spacing-md);
}

.stat-item {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  text-align: center;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-xs);
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-value.success {
  color: var(--success-color);
}

.stat-value.failed {
  color: var(--error-color);
}

/* 联系人状态表格 */
.task-contacts-list {
  margin-bottom: var(--spacing-lg);
}

.task-contacts-list h4 {
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  font-size: 1.1rem;
}

.contacts-table-container {
  max-height: 400px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
}

.contacts-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.contacts-table th {
  background: var(--background-light);
  padding: var(--spacing-sm);
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1;
}

.contacts-table td {
  padding: var(--spacing-sm);
  border-bottom: 1px solid var(--border-color);
}

.contact-row.pending {
  background: #f8f9fa;
}

.contact-row.sent {
  background: #e8f5e8;
}

.contact-row.failed {
  background: #ffebee;
}

.contact-status-badge {
  padding: 2px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
}

.contact-status-badge.pending {
  background: #e3f2fd;
  color: #1565c0;
}

.contact-status-badge.sent {
  background: #e8f5e8;
  color: #2e7d32;
}

.contact-status-badge.failed {
  background: #ffebee;
  color: #c62828;
}

.error-cell {
  max-width: 200px;
  word-break: break-word;
  font-size: 0.85rem;
  color: var(--error-color);
}

.no-contacts {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-muted);
  font-style: italic;
}

/* 动画效果 */
@keyframes progress-shine {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

/* 响应式设计 */
@media (max-width: 768px) {
  .task-details {
    grid-template-columns: 1fr;
  }
  
  .task-actions-buttons {
  flex-direction: column;
}

.task-actions-buttons .btn {
    flex: none;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .modal-content.large {
    width: 95vw;
    max-width: none;
  }
  
  .detail-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
  
  .detail-row label {
    min-width: auto;
  }
  
  .detail-row span {
    text-align: left;
  }
} 

/* ===== 联系人管理页面样式 ===== */

/* 联系人概览样式 */
.contacts-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.contacts-overview .overview-item {
  background: linear-gradient(135deg, var(--background-paper) 0%, #f8f9fa 100%);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-1);
  text-align: center;
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  border: 1px solid rgba(73, 175, 139, 0.1);
}

.contacts-overview .overview-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-3);
  border-color: var(--primary-main);
}

/* 群组管理增强样式 */
.group-management {
  margin-bottom: var(--spacing-lg);
}

.group-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.group-filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  align-items: end;
}

.group-category-filter {
  background: linear-gradient(135deg, var(--background-paper) 0%, #f8f9fa 100%);
  border: 1px solid var(--primary-200);
  border-radius: var(--border-radius-md);
}

/* 联系人列表增强样式 */
.contacts-list-header {
  background: var(--background-paper);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-1);
}

.list-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.selected-count {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.batch-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.batch-actions .btn {
  font-size: 0.85rem;
  padding: var(--spacing-xs) var(--spacing-sm);
}

/* 分页样式 */
.pagination-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-1);
}

.pagination-info {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.page-numbers {
  display: flex;
  gap: var(--spacing-xs);
}

.page-number {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--primary-200);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-duration-short) var(--transition-easing-standard);
  font-size: 0.85rem;
  background: var(--background-paper);
}

.page-number:hover {
  background: var(--primary-50);
  border-color: var(--primary-main);
}

.page-number.active {
  background: var(--primary-main);
  color: var(--text-white);
  border-color: var(--primary-main);
}

/* 联系人统计图表样式 */
.contacts-statistics {
  margin-top: var(--spacing-md);
}

.contacts-statistics .stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.contacts-statistics .stat-item {
  background: linear-gradient(135deg, var(--background-paper) 0%, #f8f9fa 100%);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-lg);
  text-align: center;
  box-shadow: var(--shadow-1);
  border: 1px solid rgba(73, 175, 139, 0.1);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
}

.contacts-statistics .stat-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
  border-color: var(--primary-main);
}

/* ===== 群发短信页面优化样式 ===== */

/* 快速创建任务样式 */
.quick-task-creation {
  background: linear-gradient(135deg, var(--background-paper) 0%, #f8f9fa 100%);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-1);
  border: 1px solid var(--primary-100);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.form-row:last-child {
  margin-bottom: 0;
}

.task-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-top: var(--spacing-lg);
}

/* 高级任务管理样式 */
.advanced-task-management {
  margin-bottom: var(--spacing-lg);
}

.tasks-list-header {
  background: var(--background-paper);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-1);
  border: 1px solid var(--primary-100);
}

/* 任务模板管理样式 */
.template-management {
  margin-bottom: var(--spacing-lg);
}

.template-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.templates-grid {
  display: block;
  width: 100%;
  margin-top: var(--spacing-md);
}

.templates-table-container {
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  border: 1px solid var(--border-color);
  margin-top: var(--spacing-md);
}

.templates-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.templates-table thead {
  background: var(--primary-main);
  color: var(--text-white);
}

.templates-table th {
  padding: var(--spacing-md) var(--spacing-sm);
  text-align: left;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--primary-dark);
}

.templates-table th:first-child {
  padding-left: var(--spacing-md);
  border-top-left-radius: var(--border-radius-lg);
}

.templates-table th:last-child {
  padding-right: var(--spacing-md);
  border-top-right-radius: var(--border-radius-lg);
}

.templates-table tbody tr {
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  border-bottom: 1px solid var(--primary-50);
}

.templates-table tbody tr:hover {
  background: var(--primary-50);
}

.templates-table tbody tr:last-child {
  border-bottom: none;
}

.templates-table td {
  padding: var(--spacing-md) var(--spacing-sm);
  vertical-align: middle;
  border-bottom: 1px solid var(--border-color);
}

.templates-table td:first-child {
  padding-left: var(--spacing-md);
}

.templates-table td:last-child {
  padding-right: var(--spacing-md);
}

/* 模板名称列 */
.template-name-col {
  width: 20%;
  min-width: 150px;
}

.template-name-wrapper {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.template-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.system-badge,
.custom-badge {
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: var(--border-radius-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.system-badge {
  background: var(--success-light);
  color: var(--success-main);
  border: 1px solid var(--success-main);
}

.custom-badge {
  background: var(--info-light);
  color: var(--info-main);
  border: 1px solid var(--info-main);
}

/* 分类列 */
.template-category-col {
  width: 12%;
  min-width: 100px;
}

.category-badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: var(--border-radius-md);
  font-size: 0.75rem;
  font-weight: 500;
  text-align: center;
  min-width: 60px;
}

.category-badge.category-问候类 {
  background: var(--success-light);
  color: var(--success-main);
}

.category-badge.category-通知类 {
  background: var(--info-light);
  color: var(--info-main);
}

.category-badge.category-提醒类 {
  background: var(--warning-light);
  color: var(--warning-main);
}

.category-badge.category-营销类 {
  background: var(--error-light);
  color: var(--error-main);
}

.category-badge.category-预约类 {
  background: var(--primary-light);
  color: var(--primary-main);
}

.category-badge.category-自定义 {
  background: var(--text-light);
  color: var(--text-secondary);
}

/* 内容列 */
.template-content-col {
  width: 35%;
  min-width: 200px;
}

.content-preview {
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: var(--spacing-xs);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.content-description {
  font-size: 0.75rem;
  color: var(--text-disabled);
  font-style: italic;
  margin-top: var(--spacing-xs);
}

/* 使用次数列 */
.template-usage-col {
  width: 10%;
  min-width: 80px;
  text-align: center;
}

.usage-count {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary-main);
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  font-weight: 500;
  font-size: 0.85rem;
  min-width: 30px;
  text-align: center;
}

/* 类型列 */
.template-type-col {
  width: 10%;
  min-width: 80px;
  text-align: center;
}

.type-badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: var(--border-radius-md);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.type-badge.system {
  background: var(--success-light);
  color: var(--success-main);
  border: 1px solid var(--success-main);
}

.type-badge.custom {
  background: var(--info-light);
  color: var(--info-main);
  border: 1px solid var(--info-main);
}

/* 时间列 */
.template-time-col {
  width: 13%;
  min-width: 120px;
}

.update-time {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* 操作列 */
.template-actions-col {
  width: 15%;
  min-width: 140px;
}

.template-actions-buttons {
  display: flex;
  gap: var(--spacing-xs);
  justify-content: flex-end;
  flex-wrap: wrap;
}

.template-btn {
  padding: 4px 8px;
  border: none;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-duration-fast) var(--transition-easing-standard);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
}

.template-btn.btn-use {
  background: var(--primary-main);
  color: var(--text-white);
  border: 1px solid var(--primary-main);
}

.template-btn.btn-use:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}

.template-btn.btn-preview {
  background: var(--info-main);
  color: var(--text-white);
  border: 1px solid var(--info-main);
}

.template-btn.btn-preview:hover {
  background: var(--info-dark);
  border-color: var(--info-dark);
}

.template-btn.btn-edit {
  background: var(--warning-main);
  color: var(--text-white);
  border: 1px solid var(--warning-main);
}

.template-btn.btn-edit:hover {
  background: var(--warning-dark);
  border-color: var(--warning-dark);
}

.template-btn.btn-delete {
  background: var(--error-main);
  color: var(--text-white);
  border: 1px solid var(--error-main);
}

.template-btn.btn-delete:hover {
  background: var(--error-dark);
  border-color: var(--error-dark);
}

/* 任务确认面板样式 */
.task-confirmation-container {
  margin-top: var(--spacing-lg);
  display: none;
}

.task-confirmation-panel {
  background: var(--background-paper);
  border: 1px solid var(--primary-main);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.confirmation-header {
  background: var(--primary-main);
  color: var(--text-white);
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.confirmation-header h4 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.close-confirmation {
  background: none;
  border: none;
  color: var(--text-white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition-duration-fast) var(--transition-easing-standard);
}

.close-confirmation:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

.confirmation-content {
  padding: var(--spacing-lg);
}

.task-details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--primary-light);
  border-radius: var(--border-radius-sm);
  border-left: 3px solid var(--primary-main);
}

.detail-label {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.detail-value {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.task-features {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--primary-50);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--primary-200);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex: 1;
}

.feature-icon {
  font-size: 1.2rem;
}

.feature-text {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.confirmation-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
}

/* 任务消息容器样式 */
.task-messages-container {
  margin-top: var(--spacing-md);
}

.task-message {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-1);
}

.task-message-success {
  background: var(--success-light);
  border-left: 3px solid var(--success-main);
  color: var(--success-main);
}

.task-message-error {
  background: var(--error-light);
  border-left: 3px solid var(--error-main);
  color: var(--error-main);
}

.task-message-warning {
  background: var(--warning-light);
  border-left: 3px solid var(--warning-main);
  color: var(--warning-main);
}

.task-message-info {
  background: var(--info-light);
  border-left: 3px solid var(--info-main);
  color: var(--info-main);
}

.message-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex: 1;
}

.message-icon {
  font-size: 1.1rem;
}

.message-text {
  font-weight: 500;
  font-size: 0.9rem;
}

/* Fix for sent message history content overflow */
pre.message-content {
  white-space: pre-wrap;    /* Allows the text to wrap */
  word-break: break-word;   /* Breaks long words to prevent overflow */
  margin: 0;                
  padding: 0;
  font-family: inherit;     /* Uses the same font as the parent element */
  font-size: inherit;       /* Uses the same font size as the parent */
  background: transparent;
  border: none;
  display: block;           /* Ensures it behaves as a block-level element */
}

.message-close {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition-duration-fast) var(--transition-easing-standard);
  color: inherit;
  opacity: 0.7;
}

.message-close:hover {
  opacity: 1;
  background: rgba(0, 0, 0, 0.1);
  transform: rotate(90deg);
}

/* 简单动画效果 */
@keyframes slideOutRight {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(20px);
  }
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .templates-table th,
  .templates-table td {
    padding: var(--spacing-sm) var(--spacing-xs);
  }
  
  .template-content-col {
    width: 30%;
  }
  
  .template-name-col {
    width: 25%;
  }
}

@media (max-width: 968px) {
  .templates-table {
    font-size: 0.8rem;
  }
  
  .template-actions-buttons {
    flex-direction: column;
    gap: 2px;
  }
  
  .template-btn {
    font-size: 0.7rem;
    padding: 3px 6px;
  }
  
  .task-details-grid {
    grid-template-columns: 1fr;
  }
  
  .task-features {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

@media (max-width: 768px) {
  .templates-table-container {
    overflow-x: auto;
  }
  
  .templates-table {
    min-width: 600px;
  }
  
  .confirmation-actions {
    flex-direction: column;
  }
  
  .confirmation-actions .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .task-confirmation-panel {
    margin: 0 -var(--spacing-sm);
  }
  
  .confirmation-header,
  .confirmation-content {
    padding: var(--spacing-md);
  }
  
  .task-features .feature-text {
    font-size: 0.8rem;
  }
}

/* ===== 转发目标和规则管理样式 ===== */
.targets-management,
.rules-management {
  margin-bottom: var(--spacing-md);
}

.targets-header,
.rules-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm);
  background: var(--primary-50);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

.targets-info,
.rules-info {
  display: flex;
  gap: var(--spacing-md);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.targets-info span,
.rules-info span {
  background: var(--background-paper);
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--primary-200);
}

.targets-actions,
.rules-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.targets-filters,
.rules-filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm);
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

.targets-list-container,
.rules-list-container {
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
  overflow: hidden;
}

.targets-table-header,
.rules-table-header {
  padding: var(--spacing-sm);
  background: var(--primary-50);
  border-bottom: 1px solid var(--primary-100);
}

.table-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.selection-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.targets-stats {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.targets-stats .stat-item {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0.25rem 0.5rem;
  background: var(--background-default);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--primary-100);
}

.targets-stats .stat-item span {
  font-weight: 600;
  color: var(--primary-main);
}

.targets-table,
.rules-table {
  min-height: 200px;
  position: relative;
}

.rules-statistics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--background-default);
  border-bottom: 1px solid var(--primary-100);
}

.rules-statistics .stat-item {
  text-align: center;
  padding: var(--spacing-sm);
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

.rules-statistics .stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.rules-statistics .stat-value {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-main);
}

/* 筛选器样式 */
.targets-filters,
.rules-filters {
  display: flex;
  gap: 1rem;
  align-items: end;
  padding: var(--spacing-md);
  background: var(--background-default);
  border-bottom: 1px solid var(--primary-100);
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  flex-direction: column;
  min-width: 150px;
}

.filter-group label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.3rem;
  font-weight: 500;
}

.filter-group .form-control {
  font-size: 0.9rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--primary-200);
  border-radius: var(--border-radius-sm);
  background: var(--background-paper);
}

.filter-group .form-control:focus {
  border-color: var(--primary-main);
  box-shadow: 0 0 0 2px rgba(25, 118, 210, 0.1);
}

.filter-actions {
  display: flex;
  gap: 0.5rem;
  align-items: end;
}

.filter-actions .btn {
  padding: 0.4rem 0.8rem;
  font-size: 0.9rem;
}

/* 转发目标和规则卡片 */
.target-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--primary-100);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  position: relative;
}

.target-item:last-child {
  border-bottom: none;
}

.target-item:hover {
  background: var(--primary-50);
}

.target-item.disabled {
  opacity: 0.6;
  background: var(--background-default);
}

.item-checkbox {
  margin-right: var(--spacing-sm);
}

.item-info {
  flex: 1;
  display: grid;
  grid-template-columns: 2fr 1fr 2fr;
  gap: var(--spacing-sm);
  align-items: center;
}

.item-name {
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.item-type {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.item-type.http { background: #e3f2fd; color: #1976d2; }
.item-type.webhook { background: #f3e5f5; color: #7b1fa2; }
.item-type.serverchan { background: #e8f5e8; color: #388e3c; }
.item-type.bark { background: #fff3e0; color: #f57c00; }
.item-type.pushover { background: #fce4ec; color: #c2185b; }
.item-type.smtp { background: #e0f2f1; color: #00695c; }
.item-type.sms { background: #e8eaf6; color: #3f51b5; }
.item-type.file { background: #f1f8e9; color: #558b2f; }

.item-status {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success-main);
}

.status-dot.disabled {
  background: var(--text-disabled);
}

/* ===== 删除确认模态框增强样式 v3.0 - 重新设计 ===== */

/* 删除确认模态框整体样式 - 紧凑现代设计 */
.delete-confirm-modal {
  max-width: 520px;
  width: 90%;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 8px 24px rgba(0, 0, 0, 0.1);
  animation: modalSlideIn var(--transition-duration-standard) var(--transition-easing-standard);
  background: var(--background-paper);
  /* 确保删除确认模态框显示在其他模态框之上 */
  z-index: calc(var(--z-index-modal) + 100) !important;
}

/* 删除确认模态框头部 - 简洁红色主题 */
.delete-confirm-header {
  background: linear-gradient(135deg, #ff5252 0%, #e53935 100%);
  color: var(--text-white);
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  position: relative;
  border-bottom: none;
  min-height: 60px;
}

.delete-confirm-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(255, 255, 255, 0.05) 50%, transparent 100%);
  opacity: 0.6;
}

.delete-confirm-header .warning-icon {
  font-size: 0.9rem;
  z-index: 1;
  opacity: 0.9;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.2);
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.delete-confirm-header .modal-title {
  color: var(--text-white);
  font-weight: 600;
  font-size: 1rem;
  margin: 0;
  z-index: 1;
  letter-spacing: -0.01em;
}

.delete-confirm-header .modal-close {
  position: absolute;
  top: 50%;
  right: var(--spacing-md);
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-white);
  border: 1px solid rgba(255, 255, 255, 0.2);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-duration-short) var(--transition-easing-standard);
  z-index: 1;
}

.delete-confirm-header .modal-close:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-50%) scale(1.05);
}

/* 删除确认模态框主体 - 紧凑布局 */
.delete-confirm-body {
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--background-paper);
}

.delete-warning-message {
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.delete-warning-message .warning-text {
  color: var(--text-primary);
  font-size: 0.95rem;
  line-height: 1.4;
  margin: 0;
  font-weight: 500;
}

/* 删除详情区域 - 紧凑设计 */
.delete-details {
  margin: var(--spacing-sm) 0;
}

.delete-details h4 {
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  padding-bottom: var(--spacing-xs);
  border-bottom: 1px solid var(--border-color);
}

.delete-details .detail-list {
  display: grid;
  gap: 6px;
}

.delete-details .detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px var(--spacing-sm);
  background: var(--background-hover);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-duration-short) var(--transition-easing-standard);
  border-left: 3px solid transparent;
}

.delete-details .detail-item:hover {
  background: #f0f9ff;
  border-left-color: var(--primary-main);
}

.delete-details .detail-item:last-child {
  border-bottom: none;
}

.delete-details .detail-label {
  font-weight: 500;
  color: var(--text-secondary);
  flex: 0 0 auto;
  font-size: 0.9rem;
}

.delete-details .detail-value {
  font-weight: 600;
  color: var(--text-primary);
  text-align: right;
  flex: 1;
  font-size: 0.9rem;
}

.delete-details .detail-value.highlight {
  color: #ff9800;
  background: #fff3e0;
  padding: 2px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 0.85rem;
}

/* 删除进度条 - 现代化设计 */
.delete-progress {
  margin: var(--spacing-sm) 0;
  padding: var(--spacing-sm);
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--background-default);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: var(--spacing-xs);
  position: relative;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #ff5252, #e53935);
  border-radius: 3px;
  transition: width var(--transition-duration-standard) var(--transition-easing-standard);
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: progressShimmer 2s infinite;
}

.progress-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: center;
  font-weight: 500;
}

/* 删除确认模态框底部 */
.delete-confirm-footer {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--background-default);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-sm);
}

.delete-confirm-footer .footer-left {
  flex: 1;
}

.delete-confirm-footer .footer-right {
  display: flex;
  gap: var(--spacing-sm);
}

/* 删除状态消息 */
.delete-status {
  font-size: 0.9rem;
  font-weight: 500;
  padding: var(--spacing-xs) 0;
}

.delete-status.success {
  color: var(--success-main);
}

.delete-status.error {
  color: var(--error-main);
}

.delete-status.info {
  color: var(--info-main);
}

/* 删除确认按钮样式 */
#delete-cancel-btn {
  background: var(--background-paper);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-sm);
  font-weight: 500;
  transition: all var(--transition-duration-short) var(--transition-easing-standard);
  cursor: pointer;
}

#delete-cancel-btn:hover:not(:disabled) {
  background: var(--background-hover);
  border-color: var(--text-secondary);
  color: var(--text-primary);
  transform: translateY(-1px);
}

#delete-confirm-btn {
  background: linear-gradient(135deg, var(--error-main), var(--error-dark));
  color: var(--text-white);
  border: none;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: all var(--transition-duration-short) var(--transition-easing-standard);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

#delete-confirm-btn:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--error-dark), #c62828);
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

#delete-confirm-btn:active {
  transform: translateY(0);
}

#delete-confirm-btn:disabled {
  background: var(--text-disabled);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

#delete-confirm-btn.loading {
  pointer-events: none;
}

#delete-confirm-btn.loading::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: buttonShine 1.5s infinite;
}

/* 短信信息预览样式 */
.sms-info-preview {
  background: var(--background-hover);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
  border: 1px solid var(--border-color);
}

.sms-info-preview .sms-sender {
  color: var(--primary-main);
  font-weight: 600;
}

.sms-info-preview .sms-content {
  color: var(--text-primary);
  font-style: italic;
  max-width: 300px;
  word-break: break-word;
}

.sms-info-preview .sms-meta {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* 短信状态指示器 */
.sms-info-preview .sms-status {
  padding: 2px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
}

.sms-info-preview .sms-status.unread {
  background: var(--info-light);
  color: var(--info-main);
}

.sms-info-preview .sms-status.read {
  background: var(--success-light);
  color: var(--success-main);
}

.sms-info-preview .sms-status.spam {
  background: var(--warning-light);
  color: var(--warning-main);
}

/* 动画效果 */
@keyframes shine {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes progressShimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes buttonShine {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* 响应式设计 */
@media (max-width: 768px) {
  .delete-confirm-modal {
    max-width: 95%;
    margin: var(--spacing-sm);
  }
  
  .delete-confirm-header {
    padding: var(--spacing-sm);
  }
  
  .delete-confirm-body {
    padding: var(--spacing-md);
  }
  
  .delete-confirm-footer {
    padding: var(--spacing-sm) var(--spacing-md);
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .delete-confirm-footer .footer-right {
    width: 100%;
    justify-content: center;
  }
  
  #delete-cancel-btn,
  #delete-confirm-btn {
    flex: 1;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .delete-confirm-modal {
    max-width: 100%;
    margin: 0;
    border-radius: 0;
  }
  
  .delete-details .detail-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
  
  .sms-info-preview .sms-meta {
    font-size: 0.8rem;
  }
}

.delete-status.info {
  color: var(--info-main);
}

#delete-cancel-btn {
  background: var(--background-paper);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-sm);
  font-weight: 500;
  transition: all var(--transition-duration-short) var(--transition-easing-standard);
  cursor: pointer;
}

#delete-cancel-btn:hover:not(:disabled) {
  background: var(--background-hover);
  border-color: var(--text-secondary);
  color: var(--text-primary);
  transform: translateY(-1px);
}

#delete-confirm-btn {
  background: linear-gradient(135deg, var(--error-main), var(--error-dark));
  color: var(--text-white);
  border: none;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: all var(--transition-duration-short) var(--transition-easing-standard);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

#delete-confirm-btn:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--error-dark), #c62828);
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

#delete-confirm-btn:active {
  transform: translateY(0);
}

#delete-confirm-btn:disabled {
  background: var(--text-disabled);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

#delete-confirm-btn.loading {
  pointer-events: none;
}

#delete-confirm-btn.loading::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: buttonShine 1.5s infinite;
}

/* 短信信息预览样式 */
.sms-info-preview {
  background: var(--background-hover);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
  border: 1px solid var(--border-color);
}

.sms-info-preview .sms-sender {
  color: var(--primary-main);
  font-weight: 600;
}

.sms-info-preview .sms-content {
  color: var(--text-primary);
  font-style: italic;
  max-width: 300px;
  word-break: break-word;
}

.sms-info-preview .sms-meta {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* 短信状态指示器 */
.sms-info-preview .sms-status {
  padding: 2px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
}

.sms-info-preview .sms-status.unread {
  background: var(--info-light);
  color: var(--info-main);
}

.sms-info-preview .sms-status.read {
  background: var(--success-light);
  color: var(--success-main);
}

.sms-info-preview .sms-status.spam {
  background: var(--warning-light);
  color: var(--warning-main);
}

/* 动画效果 */
@keyframes shine {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes progressShimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes buttonShine {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* 响应式设计 */
@media (max-width: 768px) {
  .delete-confirm-modal {
    max-width: 95%;
    margin: var(--spacing-sm);
  }
  
  .delete-confirm-header {
    padding: var(--spacing-sm);
  }
  
  .delete-confirm-body {
    padding: var(--spacing-md);
  }
  
  .delete-confirm-footer {
    padding: var(--spacing-sm) var(--spacing-md);
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .delete-confirm-footer .footer-right {
    width: 100%;
    justify-content: center;
  }
  
  #delete-cancel-btn,
  #delete-confirm-btn {
    flex: 1;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .delete-confirm-modal {
    max-width: 100%;
    margin: 0;
    border-radius: 0;
  }
  
  .delete-details .detail-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
  
  .sms-info-preview .sms-meta {
    font-size: 0.8rem;
  }
}

/* 绿邮Y系列开发板管理平台 - Material-UI风格现代化设计 */

/* ===== CSS自定义属性 - 设计令牌系统 ===== */
:root {
  /* 主色调系统 - 以绿色为主 */
  --primary-main: #49af8b;
  --primary-dark: #3d9474;
  --primary-light: #acd8cc;
  --primary-50: rgba(73, 175, 139, 0.04);
  --primary-100: rgba(73, 175, 139, 0.08);
  --primary-200: rgba(73, 175, 139, 0.12);
  --primary-300: rgba(73, 175, 139, 0.16);

  /* 文字颜色系统 */
  --text-primary: #666460;
  --text-secondary: #8b8c8e;
  --text-disabled: #c0c0c0;
  --text-white: #ffffff;

  /* 背景颜色系统 */
  --background-default: #f8f9fa;
  --background-paper: #ffffff;
  --background-hover: #f0f9ff;

  /* 边框颜色 */
  --border-color: #e0e0e0;

  /* 状态颜色系统 */
  --success-main: #4caf50;
  --success-light: #e8f5e8;
  --success-dark: #388e3c;
  --warning-main: #ff9800;
  --warning-light: #fff3e0;
  --warning-dark: #f57c00;
  --error-main: #f44336;
  --error-light: #ffebee;
  --error-dark: #d32f2f;
  --info-main: #2196f3;
  --info-light: #e3f2fd;
  --info-dark: #1976d2;
  
  /* 文字颜色扩展 */
  --text-light: #f5f5f5;

  /* 阴影系统 - Material Design Elevation */
  --shadow-1: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-2: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-3: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-4: 0 16px 32px rgba(0, 0, 0, 0.16);
  --shadow-primary: 0 8px 24px rgba(73, 175, 139, 0.3);

  /* 圆角系统 */
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 20px;

  /* 间距系统 - 8px基准 */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 40px;
  --spacing-2xl: 48px;

  /* 动画系统 */
  --transition-duration-short: 0.15s;
  --transition-duration-standard: 0.3s;
  --transition-duration-long: 0.5s;
  --transition-easing-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-easing-decelerate: cubic-bezier(0, 0, 0.2, 1);
  --transition-easing-accelerate: cubic-bezier(0.4, 0, 1, 1);

  /* Z-index层级 */
  --z-index-appbar: 1100;
  --z-index-drawer: 1200;
  --z-index-modal: 1300;
  --z-index-snackbar: 1400;
  --z-index-tooltip: 1500;
}

/* ===== 全局重置和基础样式 ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 14px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--background-default) 0%, #e9ecef 100%);
  line-height: 1.5;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

/* ===== 布局容器 ===== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ===== 现代化头部设计 ===== */
header {
  background: linear-gradient(135deg, var(--primary-main) 0%, var(--primary-dark) 100%);
  color: var(--text-white);
  padding: var(--spacing-lg) 0;
  box-shadow: var(--shadow-2);
  position: relative;
  overflow: hidden;
}

header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

header .container {
  position: relative;
  z-index: 1;
}

header h1 {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  letter-spacing: -0.025em;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

header p {
  font-size: 1rem;
  opacity: 0.9;
  font-weight: 300;
  letter-spacing: 0.025em;
}

/* ===== 现代化导航栏 ===== */
.main-nav {
  background: var(--background-paper);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--primary-100);
  box-shadow: var(--shadow-1);
  position: sticky;
  top: 0;
  z-index: var(--z-index-appbar);
}

.nav-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) 0;
}

.nav-item {
  padding: 12px 18px;
  cursor: pointer;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-secondary);
  position: relative;
  white-space: nowrap;
  user-select: none;
  text-transform: none;
}

.nav-item::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-main), var(--primary-dark));
  border-radius: var(--border-radius-md);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  transform: translateX(-50%);
}

.nav-item:hover {
  background: var(--primary-50);
  color: var(--primary-main);
  transform: translateY(-1px);
}

.nav-item:hover::before {
  width: 60%;
}

.nav-item.active {
  color: var(--primary-main);
  background: var(--primary-50);
  font-weight: 600;
}

.nav-item.active::before {
  width: 80%;
}

/* ===== 内容区域 ===== */
.content {
  padding: var(--spacing-lg) 0;
  min-height: calc(100vh - 200px);
}

.tab-content {
  display: none;
  animation: slideInUp var(--transition-duration-long) var(--transition-easing-decelerate);
}

.tab-content.active {
  display: block;
}

/* ===== Material Card组件 ===== */
.card {
  background: var(--background-paper);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-1);
  border: 1px solid var(--primary-100);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-3);
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  letter-spacing: -0.025em;
  position: relative;
}

.card-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-main), var(--primary-dark));
  border-radius: var(--border-radius-md);
}

/* ===== 统计卡片组件 ===== */
.device-overview,
.bulk-sms-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.overview-item {
  background: linear-gradient(135deg, var(--primary-main) 0%, var(--primary-light) 100%);
  color: var(--text-white);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  position: relative;
  padding: var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.overview-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary);
}

.overview-number {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  line-height: 1;
}

.overview-label {
  font-size: 0.875rem;
  opacity: 0.9;
  font-weight: 400;
}

/* ===== 现代化按钮系统 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 10px 18px;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  position: relative;
  overflow: hidden;
  user-select: none;
  min-height: 38px;
  border: none;
  text-transform: none;
  letter-spacing: 0.025em;
  background: var(--primary-main);
  color: var(--text-white);
}

.btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary-main);
  color: var(--primary-main);
}

.btn-outline:hover {
  border-color: var(--primary-main);
  background: var(--primary-50);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 8px 14px;
  font-size: 0.8rem;
  min-height: 32px;
}

.btn:disabled {
  background: var(--text-disabled);
  color: var(--text-white);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ===== 现代化表单系统 ===== */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.85rem;
  letter-spacing: 0.025em;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--primary-200);
  border-radius: var(--border-radius-md);
  font-family: inherit;
  font-size: 0.9rem;
  background: var(--background-paper);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  color: var(--text-primary);
}

.form-control:hover {
  border-color: var(--primary-main);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-main);
  box-shadow: 0 0 0 3px var(--primary-50);
  transform: translateY(-1px);
}

.form-control::placeholder {
  color: var(--text-disabled);
  font-style: italic;
}

/* ===== 设备网格布局 ===== */
.devices-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.device-card {
  background: var(--background-paper);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-1);
  border: 1px solid var(--primary-100);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  position: relative;
  overflow: hidden;
}

.device-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-main), var(--primary-dark));
  transition: width var(--transition-duration-standard) var(--transition-easing-standard);
}

.device-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-3);
}

.device-card:hover::before {
  width: 6px;
}

.device-card.offline {
  opacity: 0.7;
  filter: grayscale(0.3);
}

.device-card.offline::before {
  background: linear-gradient(135deg, var(--text-disabled), var(--text-secondary));
}

.device-card.blacklisted {
  background: rgba(244, 67, 54, 0.02);
  border-color: rgba(244, 67, 54, 0.15);
}

.device-card.blacklisted::before {
  background: linear-gradient(135deg, var(--error-main), #d32f2f);
}

/* ===== 现代化模态框 ===== */
.modal {
  display: none;
  position: fixed;
  z-index: var(--z-index-modal);
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  animation: fadeIn var(--transition-duration-standard) var(--transition-easing-standard);
}

.modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.modal-content {
  background: var(--background-paper);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-4);
  border: 1px solid var(--primary-100);
  animation: scaleIn var(--transition-duration-long) var(--transition-easing-decelerate);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--primary-100);
}

.modal-title {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.025em;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-secondary);
  padding: var(--spacing-xs);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-duration-short) var(--transition-easing-standard);
}

.modal-close:hover {
  color: var(--text-primary);
  background: var(--primary-100);
}

.modal-body {
  margin-bottom: var(--spacing-lg);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--primary-100);
}

/* ===== 状态指示器 ===== */
.status-indicator {
  position: relative;
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-right: var(--spacing-xs);
}

.status-indicator.pulse::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border-radius: 50%;
  background: inherit;
  opacity: 0.3;
  animation: pulse 2s infinite;
}

.status-success { background: var(--success-main); }
.status-warning { background: var(--warning-main); }
.status-error { background: var(--error-main); }
.status-info { background: var(--info-main); }
.status-offline { background: var(--text-disabled); }

/* ===== 加载指示器 ===== */
.loading-indicator {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-lg);
  color: var(--text-secondary);
  position: relative;
}

.loading-indicator::before {
  content: '';
  width: 40px;
  height: 40px;
  border: 3px solid var(--primary-50);
  border-top: 3px solid var(--primary-main);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-right: var(--spacing-sm);
}

/* ===== 消息列表 ===== */
.message-list {
  list-style: none;
  padding: 0;
}

.message-item {
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
  border: 1px solid var(--primary-100);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
}

.message-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-2);
}

.message-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xs);
}

.message-type {
  font-weight: 600;
  color: var(--primary-main);
}

.message-time {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ===== 统计图表区域 ===== */
.chart-wrapper {
  padding: var(--spacing-md);
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

.statistics-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.statistics-controls {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

/* ===== 设备过滤器 ===== */
.device-filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  align-items: end;
}

.filter-group {
  display: flex;
    flex-direction: column;
  gap: var(--spacing-xs);
}

.filter-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  align-items: center;
}

.filter-actions .btn {
  min-width: 120px;
  white-space: nowrap;
}

/* ===== 添加设备表单 ===== */
.add-device-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)) auto;
  gap: var(--spacing-sm);
  align-items: end;
}

.add-device-form .btn {
  min-width: 120px;
  white-space: nowrap;
  justify-self: start;
}

/* ===== 联系人管理 ===== */
.contacts-management,
.task-management {
  margin-bottom: var(--spacing-md);
}

.contacts-actions,
.task-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  flex-wrap: wrap;
  align-items: center;
}

.contacts-actions .btn,
.task-actions .btn {
  min-width: 120px;
  white-space: nowrap;
}

.contacts-filters,
.task-filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  align-items: end;
}

.contacts-table-container {
  overflow-x: auto;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

/* ===== 任务列表 ===== */
.tasks-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

/* ===== 发送统计 ===== */
.send-statistics {
  padding: var(--spacing-md);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-sm);
  background: var(--primary-50);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-main);
}

/* ===== 测试页面样式 ===== */
.device-status {
  display: flex;
  align-items: center;
  margin-top: 12px;
  padding: 10px 12px;
  background: var(--primary-50);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
  font-size: 0.85rem;
}

.char-count {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
}

.toggle-password {
  position: absolute;
  right: var(--spacing-sm);
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  user-select: none;
  color: var(--text-secondary);
  font-size: 1.125rem;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  background: transparent;
  border: none;
  z-index: 10;
}

.toggle-password:hover {
  color: var(--primary-main);
  background: var(--primary-50);
  transform: translateY(-50%) scale(1.1);
}

.toggle-password:active {
  transform: translateY(-50%) scale(0.95);
}

.toggle-password svg {
  transition: all var(--transition-duration-short) var(--transition-easing-standard);
}

.toggle-password:hover svg {
  transform: scale(1.1);
}

/* 为包含密码切换图标的表单组添加相对定位 */
.form-group:has(.toggle-password) {
  position: relative;
}

.form-group:has(.toggle-password) .form-control {
  padding-right: calc(var(--spacing-lg) + var(--spacing-sm));
}

.message-history {
  margin-top: var(--spacing-md);
}

.button-group {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  align-items: center;
}

.button-group .btn {
  min-width: 100px;
  white-space: nowrap;
}

.call-status-container {
  margin-bottom: var(--spacing-sm);
}

.call-status {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm);
  background: var(--primary-50);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

/* ===== 设备卡片按钮优化 ===== */
.device-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--primary-100);
}

.device-actions-primary,
.device-actions-secondary,
.device-actions-danger {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.device-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  white-space: nowrap;
  min-width: auto;
  flex: 1;
  justify-content: center;
  border: none;
  cursor: pointer;
}

.device-btn svg {
  flex-shrink: 0;
  transition: transform var(--transition-duration-standard) var(--transition-easing-standard);
}

.device-btn:hover:not(.disabled) svg {
  transform: scale(1.1);
}

.device-btn.btn-primary {
  background: linear-gradient(135deg, var(--primary-main), var(--primary-dark));
  color: var(--text-white);
  box-shadow: var(--shadow-1);
}

.device-btn.btn-primary:hover:not(.disabled) {
  box-shadow: var(--shadow-primary);
  transform: translateY(-1px);
}

.device-btn.btn-outline {
  background: var(--background-paper);
  color: var(--text-primary);
  border: 1px solid var(--primary-200);
}

.device-btn.btn-outline:hover:not(.disabled) {
  background: var(--primary-50);
  border-color: var(--primary-main);
  color: var(--primary-main);
  transform: translateY(-1px);
}

.device-btn.btn-warning {
  background: linear-gradient(135deg, var(--warning-main), #e68900);
  color: var(--text-white);
}

.device-btn.btn-warning:hover:not(.disabled) {
  box-shadow: 0 4px 12px rgba(255, 152, 0, 0.3);
  transform: translateY(-1px);
}

.device-btn.btn-danger {
  background: linear-gradient(135deg, var(--error-main), #d32f2f);
  color: var(--text-white);
}

.device-btn.btn-danger:hover:not(.disabled) {
  box-shadow: 0 4px 12px rgba(244, 67, 54, 0.3);
  transform: translateY(-1px);
}

.device-btn.disabled,
.device-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.device-btn.disabled:hover,
.device-btn:disabled:hover {
  transform: none !important;
}

/* ===== 设备配置模态框优化 ===== */
.device-config-modal {
  max-width: 800px;
  width: 90vw;
  max-height: 90vh;
  overflow: hidden;
}

.device-config-modal .modal-header {
  background: linear-gradient(135deg, var(--primary-main), var(--primary-dark));
  color: white;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.modal-header-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.device-config-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(10px);
}

.modal-title-section .modal-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: white;
}

.modal-subtitle {
  margin: 4px 0 0 0;
  font-size: 0.875rem;
  opacity: 0.8;
  color: white;
}

.device-config-modal .modal-close {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-left: auto;
}

.device-config-modal .modal-close:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.05);
}

.device-config-modal .modal-body {
  padding: 0;
  overflow-y: auto;
  max-height: calc(90vh - 200px);
}

.config-sections {
  padding: var(--spacing-lg);
}

.config-section {
  margin-bottom: var(--spacing-xl);
  background: var(--background-paper);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--primary-100);
  overflow: hidden;
}

.config-section:last-child {
  margin-bottom: 0;
}

.section-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--primary-50);
  border-bottom: 1px solid var(--primary-100);
}

.section-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--primary-main);
  color: white;
  border-radius: var(--border-radius-md);
}

.section-title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.config-section .form-group {
  margin: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.config-section .form-group:last-child {
  margin-bottom: var(--spacing-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

/* 密码字段样式 */
.password-field .input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-field .form-control {
  padding-right: 48px;
}

.password-toggle {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--border-radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.password-toggle:hover {
  background: var(--primary-50);
  color: var(--primary-main);
}

/* 复选框样式优化 */
.checkbox-group {
  margin-bottom: var(--spacing-md);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  font-weight: 500;
  color: var(--text-primary);
}

.checkbox-label input[type="checkbox"] {
  display: none;
}

.checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--primary-200);
  border-radius: var(--border-radius-sm);
  background: white;
  position: relative;
  transition: all var(--transition-fast);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
  background: var(--primary-main);
  border-color: var(--primary-main);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkbox-text {
  font-size: 0.9rem;
}

/* 字段提示样式 */
.field-hint {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* 模态框底部按钮 */
.device-config-modal .modal-footer {
  padding: var(--spacing-lg);
  background: var(--background-default);
  border-top: 1px solid var(--primary-100);
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
}

.device-config-modal .modal-footer .btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 12px 24px;
  font-weight: 500;
  min-width: 120px;
  justify-content: center;
}

/* ===== 动画关键帧 ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideOutRight {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

/* ===== 消息提示样式 ===== */
.device-message-alert {
  position: fixed !important;
  top: 20px !important;
  right: 20px !important;
  z-index: 10000 !important;
  min-width: 300px !important;
  max-width: 500px !important;
  padding: 12px 16px !important;
  border-radius: 6px !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
  font-size: 14px !important;
  line-height: 1.4 !important;
  word-wrap: break-word !important;
  animation: slideInRight 0.3s ease-out !important;
}

/* ===== 设备分类管理样式 ===== */
.category-select-container {
  display: flex;
  gap: 8px;
  align-items: center;
}

.category-select-container select {
  flex: 1;
}

.category-select-container .btn {
  flex-shrink: 0;
  padding: 8px;
  min-width: auto;
}

.category-management-modal .modal-content {
  max-width: 600px;
}

.category-list {
  margin-bottom: 20px;
}

.category-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  margin-bottom: 8px;
  background: var(--bg-secondary);
}

.category-item:last-child {
  margin-bottom: 0;
}

.category-item.default {
  background: var(--primary-50);
  border-color: var(--primary-200);
}

.category-info {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.category-name {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.category-meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.category-actions {
  display: flex;
  gap: 8px;
}

.category-actions .btn {
  padding: 6px 12px;
  font-size: 0.85rem;
}

.add-category-form {
  display: flex;
  gap: 12px;
  padding: 16px;
  background: var(--bg-tertiary);
  border-radius: 6px;
  margin-bottom: 20px;
}

.add-category-form input {
  flex: 1;
}

.add-category-form .btn {
  flex-shrink: 0;
}

/* ===== 响应式设计 ===== */
@media (max-width: 1200px) {
  .container {
    max-width: 100%;
    padding: 0 var(--spacing-sm);
  }
}

@media (max-width: 960px) {
  .device-overview,
  .bulk-sms-overview {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
  }
  
  .devices-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-sm);
  }
  
  .device-filters {
    grid-template-columns: 1fr;
  }
  
  .add-device-form {
    grid-template-columns: 1fr;
  }
  
  .contacts-filters,
  .task-filters {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .content {
    padding: var(--spacing-sm) 0;
  }
  
  .nav-container {
    gap: 0;
    padding: var(--spacing-xs) 0;
  }
  
  .nav-item {
    padding: 8px 12px;
    font-size: 0.8rem;
    border-radius: 0;
  }
  
  .nav-item::before {
    display: none;
  }
  
  .nav-item.active {
    background: var(--primary-main);
    color: var(--text-white);
  }
  
  .card {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
  }
  
  .card-title {
    font-size: 1rem;
  }
  
  .form-control {
    padding: 10px 12px;
    font-size: 16px; /* 防止iOS Safari缩放 */
  }
  
  .btn {
    padding: 10px 16px;
    font-size: 0.85rem;
    min-height: 44px;
}

  .device-overview,
  .bulk-sms-overview {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .modal-content {
    margin: var(--spacing-sm);
    padding: var(--spacing-md);
  }
  
  .statistics-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .contacts-actions,
  .task-actions {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .filter-actions {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .filter-actions .btn,
  .contacts-actions .btn,
  .task-actions .btn {
    min-width: auto;
    width: 100%;
  }
  
  /* 设备按钮响应式 */
  .device-actions-primary,
  .device-actions-secondary,
  .device-actions-danger {
    flex-direction: column;
  }
  
  .device-btn {
    flex: none;
    width: 100%;
  }
  
  /* 设备配置模态框响应式 */
  .device-config-modal {
    width: 95vw;
    max-height: 95vh;
  }
  
  .device-config-modal .modal-header {
    padding: var(--spacing-md);
  }
  
  .modal-header-content {
    gap: var(--spacing-sm);
  }
  
  .device-config-icon {
    width: 40px;
    height: 40px;
  }
  
  .modal-title-section .modal-title {
    font-size: 1.25rem;
  }
  
  .config-sections {
    padding: var(--spacing-md);
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .device-config-modal .modal-footer {
    padding: var(--spacing-md);
    flex-direction: column;
  }
  
  .device-config-modal .modal-footer .btn {
    width: 100%;
    min-width: auto;
  }
}

@media (max-width: 600px) {
  header h1 {
    font-size: 1.75rem;
  }
  
  header p {
  font-size: 1rem;
}

  .nav-container {
  flex-wrap: wrap;
}

  .nav-item {
    flex: 1;
  text-align: center;
    min-width: calc(50% - var(--spacing-xs));
  }
  
  .device-overview,
  .bulk-sms-overview {
    grid-template-columns: 1fr;
  }
  
  .device-card {
    padding: var(--spacing-sm);
  }
  
  .btn {
  width: 100%;
    justify-content: center;
  }
  
  .modal-footer {
    flex-direction: column;
  }
  
  .modal-footer .btn {
  width: 100%;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .button-group {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .button-group .btn {
    min-width: auto;
    width: 100%;
  }
}

/* ===== 打印样式 ===== */
@media print {
  .nav-item,
  .btn,
  .modal {
    display: none !important;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ddd;
    page-break-inside: avoid;
  }
  
  .card-title {
    color: #000;
  }
  
  body {
    background: white;
  }
}

/* ===== 无障碍性支持 ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== 高对比度模式 ===== */
@media (prefers-contrast: high) {
  .card {
    border: 2px solid var(--primary-main);
  }
  
  .btn {
    border: 2px solid currentColor;
  }
  
  .form-control {
    border-width: 2px;
  }
}

/* ===== 深色模式预留 ===== */
@media (prefers-color-scheme: dark) {
  :root {
    --background-default: #1a1a1a;
    --background-paper: #2d2d2d;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-disabled: #666666;
  }
}

/* 群发短信功能样式 */

/* 任务卡片样式 */
.task-card {
  background: var(--card-background);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.task-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.task-card.sending {
  border-left: 4px solid var(--warning-color);
  background: linear-gradient(135deg, var(--card-background) 0%, #fff9e6 100%);
}

.task-card.completed {
  border-left: 4px solid var(--success-color);
  background: linear-gradient(135deg, var(--card-background) 0%, #f0f9f0 100%);
}

.task-card.partial {
  border-left: 4px solid var(--warning-color);
  background: linear-gradient(135deg, var(--card-background) 0%, #fff4e6 100%);
}

.task-card.failed {
  border-left: 4px solid var(--error-color);
  background: linear-gradient(135deg, var(--card-background) 0%, #fef2f2 100%);
}

.task-card.cancelled {
  border-left: 4px solid var(--text-muted);
  background: linear-gradient(135deg, var(--card-background) 0%, #f8f9fa 100%);
  opacity: 0.8;
}

/* 任务头部 */
.task-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--border-color);
}

.task-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.task-status-badge {
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.task-status-badge.pending {
  background: #e3f2fd;
  color: #1565c0;
}

.task-status-badge.sending {
  background: #fff3e0;
  color: #ef6c00;
  animation: pulse 2s infinite;
}

.task-status-badge.completed {
  background: #e8f5e8;
  color: #2e7d32;
}

.task-status-badge.partial {
  background: #fff8e1;
  color: #f57c00;
}

.task-status-badge.failed {
  background: #ffebee;
  color: #c62828;
}

.task-status-badge.cancelled {
  background: #f5f5f5;
  color: #616161;
}

/* 任务详情 */
.task-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.task-detail-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.task-detail-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.task-detail-value {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 600;
}

.task-detail-value .success-count {
  color: var(--success-color);
}

.task-detail-value .failed-count {
  color: var(--error-color);
}

/* 任务进度条 */
.task-progress {
  margin-bottom: var(--spacing-md);
}

.task-progress-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xs);
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--background-light);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-color-light));
  border-radius: 4px;
  transition: width 0.3s ease;
  position: relative;
}

.progress-fill.partial {
  background: linear-gradient(90deg, var(--warning-color), #ffb74d);
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.3) 50%,
    transparent 100%
  );
  animation: progress-shine 2s infinite;
}

.task-progress-text {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: var(--spacing-xs);
  font-style: italic;
}

/* 任务错误信息 */
.task-error {
  background: #ffebee;
  border: 1px solid #ffcdd2;
  border-radius: var(--border-radius);
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.error-message {
  font-size: 0.9rem;
  color: #c62828;
  margin: 0;
}

/* 任务操作按钮 */
.task-actions-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.task-actions-buttons .btn {
  flex: 1;
  min-width: 80px;
  font-size: 0.85rem;
  padding: 6px 12px;
}

.btn-execute-task {
  background: var(--success-main);
  color: white;
}

.btn-execute-task:hover {
  background: var(--success-color-dark);
}

.btn-cancel-task {
  background: var(--warning-main);
  color: white;
}

.btn-cancel-task:hover {
  background: var(--warning-color-dark);
}

.btn-retry-task {
  background: var(--primary-color);
  color: white;
}

.btn-retry-task:hover {
  background: var(--primary-color-dark);
}

/* 任务详情模态框 */
.modal-content.large {
  max-width: 900px;
  width: 90vw;
}

.task-details-summary {
  background: var(--background-light);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--border-color);
}

.detail-row:last-child {
  border-bottom: none;
}

.detail-row label {
  font-weight: 600;
  color: var(--text-secondary);
  min-width: 120px;
}

.detail-row span {
  color: var(--text-primary);
  text-align: right;
  flex: 1;
}

.task-content {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-sm);
  margin-top: var(--spacing-xs);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.5;
  white-space: pre-wrap;
  max-height: 120px;
  overflow-y: auto;
}

/* 任务统计 */
.task-statistics {
  margin-bottom: var(--spacing-lg);
}

.task-statistics h4 {
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  font-size: 1.1rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--spacing-md);
}

.stat-item {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  text-align: center;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-xs);
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-value.success {
  color: var(--success-color);
}

.stat-value.failed {
  color: var(--error-color);
}

/* 联系人状态表格 */
.task-contacts-list {
  margin-bottom: var(--spacing-lg);
}

.task-contacts-list h4 {
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  font-size: 1.1rem;
}

.contacts-table-container {
  max-height: 400px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
}

.contacts-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.contacts-table th {
  background: var(--background-light);
  padding: var(--spacing-sm);
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1;
}

.contacts-table td {
  padding: var(--spacing-sm);
  border-bottom: 1px solid var(--border-color);
}

.contact-row.pending {
  background: #f8f9fa;
}

.contact-row.sent {
  background: #e8f5e8;
}

.contact-row.failed {
  background: #ffebee;
}

.contact-status-badge {
  padding: 2px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
}

.contact-status-badge.pending {
  background: #e3f2fd;
  color: #1565c0;
}

.contact-status-badge.sent {
  background: #e8f5e8;
  color: #2e7d32;
}

.contact-status-badge.failed {
  background: #ffebee;
  color: #c62828;
}

.error-cell {
  max-width: 200px;
  word-break: break-word;
  font-size: 0.85rem;
  color: var(--error-color);
}

.no-contacts {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-muted);
  font-style: italic;
}

/* 动画效果 */
@keyframes progress-shine {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

/* 响应式设计 */
@media (max-width: 768px) {
  .task-details {
    grid-template-columns: 1fr;
  }
  
  .task-actions-buttons {
  flex-direction: column;
}

.task-actions-buttons .btn {
    flex: none;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .modal-content.large {
    width: 95vw;
    max-width: none;
  }
  
  .detail-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
  
  .detail-row label {
    min-width: auto;
  }
  
  .detail-row span {
    text-align: left;
  }
} 

/* ===== 联系人管理页面样式 ===== */

/* 联系人概览样式 */
.contacts-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.contacts-overview .overview-item {
  background: linear-gradient(135deg, var(--background-paper) 0%, #f8f9fa 100%);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-1);
  text-align: center;
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  border: 1px solid rgba(73, 175, 139, 0.1);
}

.contacts-overview .overview-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-3);
  border-color: var(--primary-main);
}

/* 群组管理增强样式 */
.group-management {
  margin-bottom: var(--spacing-lg);
}

.group-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.group-filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  align-items: end;
}

.group-category-filter {
  background: linear-gradient(135deg, var(--background-paper) 0%, #f8f9fa 100%);
  border: 1px solid var(--primary-200);
  border-radius: var(--border-radius-md);
}

/* 联系人列表增强样式 */
.contacts-list-header {
  background: var(--background-paper);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-1);
}

.list-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.selected-count {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.batch-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.batch-actions .btn {
  font-size: 0.85rem;
  padding: var(--spacing-xs) var(--spacing-sm);
}

/* 分页样式 */
.pagination-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-1);
}

.pagination-info {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.page-numbers {
  display: flex;
  gap: var(--spacing-xs);
}

.page-number {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--primary-200);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-duration-short) var(--transition-easing-standard);
  font-size: 0.85rem;
  background: var(--background-paper);
}

.page-number:hover {
  background: var(--primary-50);
  border-color: var(--primary-main);
}

.page-number.active {
  background: var(--primary-main);
  color: var(--text-white);
  border-color: var(--primary-main);
}

/* 联系人统计图表样式 */
.contacts-statistics {
  margin-top: var(--spacing-md);
}

.contacts-statistics .stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.contacts-statistics .stat-item {
  background: linear-gradient(135deg, var(--background-paper) 0%, #f8f9fa 100%);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-lg);
  text-align: center;
  box-shadow: var(--shadow-1);
  border: 1px solid rgba(73, 175, 139, 0.1);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
}

.contacts-statistics .stat-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
  border-color: var(--primary-main);
}

/* ===== 群发短信页面优化样式 ===== */

/* 快速创建任务样式 */
.quick-task-creation {
  background: linear-gradient(135deg, var(--background-paper) 0%, #f8f9fa 100%);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-1);
  border: 1px solid var(--primary-100);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.form-row:last-child {
  margin-bottom: 0;
}

.task-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-top: var(--spacing-lg);
}

/* 高级任务管理样式 */
.advanced-task-management {
  margin-bottom: var(--spacing-lg);
}

.tasks-list-header {
  background: var(--background-paper);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-1);
  border: 1px solid var(--primary-100);
}

/* 任务模板管理样式 */
.template-management {
  margin-bottom: var(--spacing-lg);
}

.template-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.templates-grid {
  display: block;
  width: 100%;
  margin-top: var(--spacing-md);
}

.templates-table-container {
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  border: 1px solid var(--border-color);
  margin-top: var(--spacing-md);
}

.templates-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.templates-table thead {
  background: var(--primary-main);
  color: var(--text-white);
}

.templates-table th {
  padding: var(--spacing-md) var(--spacing-sm);
  text-align: left;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--primary-dark);
}

.templates-table th:first-child {
  padding-left: var(--spacing-md);
  border-top-left-radius: var(--border-radius-lg);
}

.templates-table th:last-child {
  padding-right: var(--spacing-md);
  border-top-right-radius: var(--border-radius-lg);
}

.templates-table tbody tr {
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  border-bottom: 1px solid var(--primary-50);
}

.templates-table tbody tr:hover {
  background: var(--primary-50);
}

.templates-table tbody tr:last-child {
  border-bottom: none;
}

.templates-table td {
  padding: var(--spacing-md) var(--spacing-sm);
  vertical-align: middle;
  border-bottom: 1px solid var(--border-color);
}

.templates-table td:first-child {
  padding-left: var(--spacing-md);
}

.templates-table td:last-child {
  padding-right: var(--spacing-md);
}

/* 模板名称列 */
.template-name-col {
  width: 20%;
  min-width: 150px;
}

.template-name-wrapper {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.template-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.system-badge,
.custom-badge {
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: var(--border-radius-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.system-badge {
  background: var(--success-light);
  color: var(--success-main);
  border: 1px solid var(--success-main);
}

.custom-badge {
  background: var(--info-light);
  color: var(--info-main);
  border: 1px solid var(--info-main);
}

/* 分类列 */
.template-category-col {
  width: 12%;
  min-width: 100px;
}

.category-badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: var(--border-radius-md);
  font-size: 0.75rem;
  font-weight: 500;
  text-align: center;
  min-width: 60px;
}

.category-badge.category-问候类 {
  background: var(--success-light);
  color: var(--success-main);
}

.category-badge.category-提醒类 {
  background: var(--warning-light);
  color: var(--warning-main);
}

.category-badge.category-营销类 {
  background: var(--error-light);
  color: var(--error-main);
}

.category-badge.category-预约类 {
  background: var(--primary-light);
  color: var(--primary-main);
}

.category-badge.category-自定义 {
  background: var(--text-light);
  color: var(--text-secondary);
}

/* 内容列 */
.template-content-col {
  width: 35%;
  min-width: 200px;
}

.content-preview {
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: var(--spacing-xs);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.content-description {
  font-size: 0.75rem;
  color: var(--text-disabled);
  font-style: italic;
  margin-top: var(--spacing-xs);
}

/* 使用次数列 */
.template-usage-col {
  width: 10%;
  min-width: 80px;
  text-align: center;
}

.usage-count {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary-main);
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  font-weight: 500;
  font-size: 0.85rem;
  min-width: 30px;
  text-align: center;
}

/* 类型列 */
.template-type-col {
  width: 10%;
  min-width: 80px;
  text-align: center;
}

.type-badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: var(--border-radius-md);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.type-badge.system {
  background: var(--success-light);
  color: var(--success-main);
  border: 1px solid var(--success-main);
}

.type-badge.custom {
  background: var(--info-light);
  color: var(--info-main);
  border: 1px solid var(--info-main);
}

/* 时间列 */
.template-time-col {
  width: 13%;
  min-width: 120px;
}

.update-time {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* 操作列 */
.template-actions-col {
  width: 15%;
  min-width: 140px;
}

.template-actions-buttons {
  display: flex;
  gap: var(--spacing-xs);
  justify-content: flex-end;
  flex-wrap: wrap;
}

.template-btn {
  padding: 4px 8px;
  border: none;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-duration-fast) var(--transition-easing-standard);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
}

.template-btn.btn-use {
  background: var(--primary-main);
  color: var(--text-white);
  border: 1px solid var(--primary-main);
}

.template-btn.btn-use:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}

.template-btn.btn-preview {
  background: var(--info-main);
  color: var(--text-white);
  border: 1px solid var(--info-main);
}

.template-btn.btn-preview:hover {
  background: var(--info-dark);
  border-color: var(--info-dark);
}

.template-btn.btn-edit {
  background: var(--warning-main);
  color: var(--text-white);
  border: 1px solid var(--warning-main);
}

.template-btn.btn-edit:hover {
  background: var(--warning-dark);
  border-color: var(--warning-dark);
}

.template-btn.btn-delete {
  background: var(--error-main);
  color: var(--text-white);
  border: 1px solid var(--error-main);
}

.template-btn.btn-delete:hover {
  background: var(--error-dark);
  border-color: var(--error-dark);
}

/* 任务确认面板样式 */
.task-confirmation-container {
  margin-top: var(--spacing-lg);
  display: none;
}

.task-confirmation-panel {
  background: var(--background-paper);
  border: 1px solid var(--primary-main);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.confirmation-header {
  background: var(--primary-main);
  color: var(--text-white);
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.confirmation-header h4 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.close-confirmation {
  background: none;
  border: none;
  color: var(--text-white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition-duration-fast) var(--transition-easing-standard);
}

.close-confirmation:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

.confirmation-content {
  padding: var(--spacing-lg);
}

.task-details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--primary-light);
  border-radius: var(--border-radius-sm);
  border-left: 3px solid var(--primary-main);
}

.detail-label {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.detail-value {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.task-features {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--primary-50);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--primary-200);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex: 1;
}

.feature-icon {
  font-size: 1.2rem;
}

.feature-text {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.confirmation-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
}

/* 任务消息容器样式 */
.task-messages-container {
  margin-top: var(--spacing-md);
}

.task-message {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-1);
}

.task-message-success {
  background: var(--success-light);
  border-left: 3px solid var(--success-main);
  color: var(--success-main);
}

.task-message-error {
  background: var(--error-light);
  border-left: 3px solid var(--error-main);
  color: var(--error-main);
}

.task-message-warning {
  background: var(--warning-light);
  border-left: 3px solid var(--warning-main);
  color: var(--warning-main);
}

.task-message-info {
  background: var(--info-light);
  border-left: 3px solid var(--info-main);
  color: var(--info-main);
}

.message-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex: 1;
}

.message-icon {
  font-size: 1.1rem;
}

.message-text {
  font-weight: 500;
  font-size: 0.9rem;
}

/* Fix for sent message history content overflow */
pre.message-content {
  white-space: pre-wrap;    /* Allows the text to wrap */
  word-break: break-word;   /* Breaks long words to prevent overflow */
  margin: 0;                
  padding: 0;
  font-family: inherit;     /* Uses the same font as the parent element */
  font-size: inherit;       /* Uses the same font size as the parent */
  background: transparent;
  border: none;
  display: block;           /* Ensures it behaves as a block-level element */
}

.message-close {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition-duration-fast) var(--transition-easing-standard);
  color: inherit;
  opacity: 0.7;
}

.message-close:hover {
  opacity: 1;
  background: rgba(0, 0, 0, 0.1);
  transform: rotate(90deg);
}

/* 简单动画效果 */
@keyframes slideOutRight {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(20px);
  }
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .templates-table th,
  .templates-table td {
    padding: var(--spacing-sm) var(--spacing-xs);
  }
  
  .template-content-col {
    width: 30%;
  }
  
  .template-name-col {
    width: 25%;
  }
}

@media (max-width: 968px) {
  .templates-table {
    font-size: 0.8rem;
  }
  
  .template-actions-buttons {
    flex-direction: column;
    gap: 2px;
  }
  
  .template-btn {
    font-size: 0.7rem;
    padding: 3px 6px;
  }
  
  .task-details-grid {
    grid-template-columns: 1fr;
  }
  
  .task-features {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

@media (max-width: 768px) {
  .templates-table-container {
    overflow-x: auto;
  }
  
  .templates-table {
    min-width: 600px;
  }
  
  .confirmation-actions {
    flex-direction: column;
  }
  
  .confirmation-actions .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .task-confirmation-panel {
    margin: 0 -var(--spacing-sm);
  }
  
  .confirmation-header,
  .confirmation-content {
    padding: var(--spacing-md);
  }
  
  .task-features .feature-text {
    font-size: 0.8rem;
  }
}

/* ===== 转发目标和规则管理样式 ===== */
.targets-management,
.rules-management {
  margin-bottom: var(--spacing-md);
}

.targets-header,
.rules-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm);
  background: var(--primary-50);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

.targets-info,
.rules-info {
  display: flex;
  gap: var(--spacing-md);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.targets-info span,
.rules-info span {
  background: var(--background-paper);
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--primary-200);
}

.targets-actions,
.rules-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.targets-filters,
.rules-filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm);
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

.targets-list-container,
.rules-list-container {
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
  overflow: hidden;
}

.targets-table-header,
.rules-table-header {
  padding: var(--spacing-sm);
  background: var(--primary-50);
  border-bottom: 1px solid var(--primary-100);
}

.table-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.selection-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.targets-stats {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.targets-stats .stat-item {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0.25rem 0.5rem;
  background: var(--background-default);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--primary-100);
}

.targets-stats .stat-item span {
  font-weight: 600;
  color: var(--primary-main);
}

.targets-table,
.rules-table {
  min-height: 200px;
  position: relative;
}

.rules-statistics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--background-default);
  border-bottom: 1px solid var(--primary-100);
}

.rules-statistics .stat-item {
  text-align: center;
  padding: var(--spacing-sm);
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

.rules-statistics .stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.rules-statistics .stat-value {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-main);
}

/* 筛选器样式 */
.targets-filters,
.rules-filters {
  display: flex;
  gap: 1rem;
  align-items: end;
  padding: var(--spacing-md);
  background: var(--background-default);
  border-bottom: 1px solid var(--primary-100);
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  flex-direction: column;
  min-width: 150px;
}

.filter-group label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.3rem;
  font-weight: 500;
}

.filter-group .form-control {
  font-size: 0.9rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--primary-200);
  border-radius: var(--border-radius-sm);
  background: var(--background-paper);
}

.filter-group .form-control:focus {
  border-color: var(--primary-main);
  box-shadow: 0 0 0 2px rgba(25, 118, 210, 0.1);
}

.filter-actions {
  display: flex;
  gap: 0.5rem;
  align-items: end;
}

.filter-actions .btn {
  padding: 0.4rem 0.8rem;
  font-size: 0.9rem;
}

/* 转发目标和规则卡片 */
.target-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--primary-100);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  position: relative;
}

.target-item:last-child {
  border-bottom: none;
}

.target-item:hover {
  background: var(--primary-50);
}

.target-item.disabled {
  opacity: 0.6;
  background: var(--background-default);
}

.item-checkbox {
  margin-right: var(--spacing-sm);
}

.item-info {
  flex: 1;
  display: grid;
  grid-template-columns: 2fr 1fr 2fr;
  gap: var(--spacing-sm);
  align-items: center;
}

.item-name {
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.item-type {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.item-type.http { background: #e3f2fd; color: #1976d2; }
.item-type.webhook { background: #f3e5f5; color: #7b1fa2; }
.item-type.serverchan { background: #e8f5e8; color: #388e3c; }
.item-type.bark { background: #fff3e0; color: #f57c00; }
.item-type.pushover { background: #fce4ec; color: #c2185b; }
.item-type.smtp { background: #e0f2f1; color: #00695c; }
.item-type.sms { background: #e8eaf6; color: #3f51b5; }
.item-type.file { background: #f1f8e9; color: #558b2f; }

.item-status {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success-main);
}

.status-dot.disabled {
  background: var(--text-disabled);
}

/* ===== 删除确认模态框样式 ===== */
.delete-confirm-modal {
  max-width: 500px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-4);
  animation: modalSlideIn var(--transition-duration-standard) var(--transition-easing-standard);
  /* 确保删除确认模态框显示在其他模态框之上 */
  z-index: calc(var(--z-index-modal) + 100) !important;
}

.delete-confirm-header {
  background: linear-gradient(135deg, var(--error-main), var(--error-dark));
  color: var(--text-white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  position: relative;
  overflow: hidden;
}

.delete-confirm-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
  animation: shine 2s infinite;
}

.delete-confirm-header .warning-icon {
  font-size: 1.5rem;
  animation: pulse 2s infinite;
}

.delete-confirm-header .modal-title {
  color: var(--text-white);
  margin: 0;
  font-weight: 600;
  font-size: 1.2rem;
}

.delete-confirm-header .modal-close {
  color: var(--text-white);
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all var(--transition-duration-short) var(--transition-easing-standard);
  margin-left: auto;
}

.delete-confirm-header .modal-close:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: rotate(90deg);
}

.delete-confirm-body {
  padding: var(--spacing-lg);
  background: var(--background-paper);
}

.delete-warning-message {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.delete-warning-message .warning-text {
  color: var(--error-main);
  font-weight: 600;
  font-size: 1.1rem;
  margin: 0;
  line-height: 1.4;
}

.delete-details {
  background: var(--background-default);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  border-left: 4px solid var(--error-main);
}

.delete-details h4 {
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 var(--spacing-sm) 0;
}

.delete-details .detail-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.delete-details .detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--border-color);
}

.delete-details .detail-item:last-child {
  border-bottom: none;
}

.delete-details .detail-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.delete-details .detail-value {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9rem;
}

.delete-details .detail-value.highlight {
  color: var(--error-main);
}

.delete-progress {
  margin-top: var(--spacing-md);
}

.progress-bar {
  background: var(--background-default);
  border-radius: var(--border-radius-sm);
  height: 8px;
  overflow: hidden;
  margin-bottom: var(--spacing-sm);
  position: relative;
}

.progress-fill {
  background: linear-gradient(90deg, var(--error-main), var(--error-dark));
  height: 100%;
  border-radius: var(--border-radius-sm);
  transition: width var(--transition-duration-standard) var(--transition-easing-standard);
  position: relative;
  overflow: hidden;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: progressShine 1.5s infinite;
}

.progress-text {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

.delete-confirm-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--background-default);
  border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
}

.delete-confirm-footer .footer-left {
  flex: 1;
}

.delete-confirm-footer .footer-right {
  display: flex;
  gap: var(--spacing-sm);
}

.delete-status {
  font-size: 0.9rem;
  font-weight: 500;
  padding: var(--spacing-xs) 0;
}

.delete-status.success {
  color: var(--success-main);
}

.delete-status.error {
  color: var(--error-main);
}

.delete-status.info {
  color: var(--info-main);
}

#delete-cancel-btn {
  background: var(--background-paper);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  padding: 10px 20px;
  border-radius: var(--border-radius-md);
  font-weight: 500;
  transition: all var(--transition-duration-short) var(--transition-easing-standard);
  cursor: pointer;
}

#delete-cancel-btn:hover:not(:disabled) {
  background: var(--background-hover);
  color: var(--text-primary);
  border-color: var(--primary-main);
  transform: translateY(-1px);
}

#delete-confirm-btn {
  background: linear-gradient(135deg, var(--error-main), var(--error-dark));
  color: var(--text-white);
  border: none;
  padding: 10px 20px;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  transition: all var(--transition-duration-short) var(--transition-easing-standard);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  position: relative;
  overflow: hidden;
}

#delete-confirm-btn:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--error-dark), #b71c1c);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(244, 67, 54, 0.3);
}

#delete-confirm-btn:active {
  transform: translateY(0);
}

#delete-confirm-btn:disabled {
  background: var(--text-disabled);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

#delete-confirm-btn.loading {
  pointer-events: none;
}

#delete-confirm-btn.loading::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: buttonShine 1.5s infinite;
}

/* 删除确认模态框中的短信信息展示 */
.sms-info-preview {
  background: var(--background-paper);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
}

.sms-info-preview .sms-sender {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.sms-info-preview .sms-content {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.4;
  margin-bottom: var(--spacing-xs);
}

.sms-info-preview .sms-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-disabled);
}

.sms-info-preview .sms-status {
  padding: 2px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
}

.sms-info-preview .sms-status.unread {
  background: var(--info-light);
  color: var(--info-main);
}

.sms-info-preview .sms-status.read {
  background: var(--success-light);
  color: var(--success-main);
}

.sms-info-preview .sms-status.spam {
  background: var(--warning-light);
  color: var(--warning-main);
}

/* 动画效果 */
@keyframes shine {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes progressShine {
  0% { left: -100%; }
  100% { left: 100%; }
}

@keyframes buttonShine {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* 响应式设计 */
@media (max-width: 768px) {
  .delete-confirm-modal {
    max-width: 90vw;
    margin: 20px;
  }
  
  .delete-confirm-header {
    padding: var(--spacing-md);
  }
  
  .delete-confirm-body {
    padding: var(--spacing-md);
  }
  
  .delete-confirm-footer {
    padding: var(--spacing-md);
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .delete-confirm-footer .footer-right {
    width: 100%;
    justify-content: center;
  }
  
  #delete-cancel-btn,
  #delete-confirm-btn {
    padding: 12px 24px;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .delete-confirm-modal {
    max-width: 95vw;
    margin: 10px;
  }
  
  .delete-details .detail-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
  
  .sms-info-preview .sms-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
}

/* 绿邮Y系列开发板管理平台 - Material-UI风格现代化设计 */

/* ===== CSS自定义属性 - 设计令牌系统 ===== */
:root {
  /* 主色调系统 - 以绿色为主 */
  --primary-main: #49af8b;
  --primary-dark: #3d9474;
  --primary-light: #acd8cc;
  --primary-50: rgba(73, 175, 139, 0.04);
  --primary-100: rgba(73, 175, 139, 0.08);
  --primary-200: rgba(73, 175, 139, 0.12);
  --primary-300: rgba(73, 175, 139, 0.16);

  /* 文字颜色系统 */
  --text-primary: #666460;
  --text-secondary: #8b8c8e;
  --text-disabled: #c0c0c0;
  --text-white: #ffffff;

  /* 背景颜色系统 */
  --background-default: #f8f9fa;
  --background-paper: #ffffff;
  --background-hover: #f0f9ff;

  /* 边框颜色 */
  --border-color: #e0e0e0;

  /* 状态颜色系统 */
  --success-main: #4caf50;
  --success-light: #e8f5e8;
  --success-dark: #388e3c;
  --warning-main: #ff9800;
  --warning-light: #fff3e0;
  --warning-dark: #f57c00;
  --error-main: #f44336;
  --error-light: #ffebee;
  --error-dark: #d32f2f;
  --info-main: #2196f3;
  --info-light: #e3f2fd;
  --info-dark: #1976d2;
  
  /* 文字颜色扩展 */
  --text-light: #f5f5f5;

  /* 阴影系统 - Material Design Elevation */
  --shadow-1: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-2: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-3: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-4: 0 16px 32px rgba(0, 0, 0, 0.16);
  --shadow-primary: 0 8px 24px rgba(73, 175, 139, 0.3);

  /* 圆角系统 */
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 20px;

  /* 间距系统 - 8px基准 */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 40px;
  --spacing-2xl: 48px;

  /* 动画系统 */
  --transition-duration-short: 0.15s;
  --transition-duration-standard: 0.3s;
  --transition-duration-long: 0.5s;
  --transition-easing-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-easing-decelerate: cubic-bezier(0, 0, 0.2, 1);
  --transition-easing-accelerate: cubic-bezier(0.4, 0, 1, 1);

  /* Z-index层级 */
  --z-index-appbar: 1100;
  --z-index-drawer: 1200;
  --z-index-modal: 1300;
  --z-index-snackbar: 1400;
  --z-index-tooltip: 1500;
}

/* ===== 全局重置和基础样式 ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 14px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--background-default) 0%, #e9ecef 100%);
  line-height: 1.5;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

/* ===== 布局容器 ===== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ===== 现代化头部设计 ===== */
header {
  background: linear-gradient(135deg, var(--primary-main) 0%, var(--primary-dark) 100%);
  color: var(--text-white);
  padding: var(--spacing-lg) 0;
  box-shadow: var(--shadow-2);
  position: relative;
  overflow: hidden;
}

header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

header .container {
  position: relative;
  z-index: 1;
}

header h1 {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  letter-spacing: -0.025em;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

header p {
  font-size: 1rem;
  opacity: 0.9;
  font-weight: 300;
  letter-spacing: 0.025em;
}

/* ===== 现代化导航栏 ===== */
.main-nav {
  background: var(--background-paper);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--primary-100);
  box-shadow: var(--shadow-1);
  position: sticky;
  top: 0;
  z-index: var(--z-index-appbar);
}

.nav-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) 0;
}

.nav-item {
  padding: 12px 18px;
  cursor: pointer;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-secondary);
  position: relative;
  white-space: nowrap;
  user-select: none;
  text-transform: none;
}

.nav-item::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-main), var(--primary-dark));
  border-radius: var(--border-radius-md);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  transform: translateX(-50%);
}

.nav-item:hover {
  background: var(--primary-50);
  color: var(--primary-main);
  transform: translateY(-1px);
}

.nav-item:hover::before {
  width: 60%;
}

.nav-item.active {
  color: var(--primary-main);
  background: var(--primary-50);
  font-weight: 600;
}

.nav-item.active::before {
  width: 80%;
}

/* ===== 内容区域 ===== */
.content {
  padding: var(--spacing-lg) 0;
  min-height: calc(100vh - 200px);
}

.tab-content {
  display: none;
  animation: slideInUp var(--transition-duration-long) var(--transition-easing-decelerate);
}

.tab-content.active {
  display: block;
}

/* ===== Material Card组件 ===== */
.card {
  background: var(--background-paper);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-1);
  border: 1px solid var(--primary-100);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-3);
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  letter-spacing: -0.025em;
  position: relative;
}

.card-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-main), var(--primary-dark));
  border-radius: var(--border-radius-md);
}

/* ===== 统计卡片组件 ===== */
.device-overview,
.bulk-sms-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.overview-item {
  background: linear-gradient(135deg, var(--primary-main) 0%, var(--primary-light) 100%);
  color: var(--text-white);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  position: relative;
  padding: var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.overview-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary);
}

.overview-number {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  line-height: 1;
}

.overview-label {
  font-size: 0.875rem;
  opacity: 0.9;
  font-weight: 400;
}

/* ===== 现代化按钮系统 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 10px 18px;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  position: relative;
  overflow: hidden;
  user-select: none;
  min-height: 38px;
  border: none;
  text-transform: none;
  letter-spacing: 0.025em;
  background: var(--primary-main);
  color: var(--text-white);
}

.btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary-main);
  color: var(--primary-main);
}

.btn-outline:hover {
  border-color: var(--primary-main);
  background: var(--primary-50);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 8px 14px;
  font-size: 0.8rem;
  min-height: 32px;
}

.btn:disabled {
  background: var(--text-disabled);
  color: var(--text-white);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ===== 现代化表单系统 ===== */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.85rem;
  letter-spacing: 0.025em;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--primary-200);
  border-radius: var(--border-radius-md);
  font-family: inherit;
  font-size: 0.9rem;
  background: var(--background-paper);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  color: var(--text-primary);
}

.form-control:hover {
  border-color: var(--primary-main);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-main);
  box-shadow: 0 0 0 3px var(--primary-50);
  transform: translateY(-1px);
}

.form-control::placeholder {
  color: var(--text-disabled);
  font-style: italic;
}

/* ===== 设备网格布局 ===== */
.devices-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.device-card {
  background: var(--background-paper);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-1);
  border: 1px solid var(--primary-100);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  position: relative;
  overflow: hidden;
}

.device-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-main), var(--primary-dark));
  transition: width var(--transition-duration-standard) var(--transition-easing-standard);
}

.device-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-3);
}

.device-card:hover::before {
  width: 6px;
}

.device-card.offline {
  opacity: 0.7;
  filter: grayscale(0.3);
}

.device-card.offline::before {
  background: linear-gradient(135deg, var(--text-disabled), var(--text-secondary));
}

.device-card.blacklisted {
  background: rgba(244, 67, 54, 0.02);
  border-color: rgba(244, 67, 54, 0.15);
}

.device-card.blacklisted::before {
  background: linear-gradient(135deg, var(--error-main), #d32f2f);
}

/* ===== 现代化模态框 ===== */
.modal {
  display: none;
  position: fixed;
  z-index: var(--z-index-modal);
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  animation: fadeIn var(--transition-duration-standard) var(--transition-easing-standard);
}

.modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.modal-content {
  background: var(--background-paper);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-4);
  border: 1px solid var(--primary-100);
  animation: scaleIn var(--transition-duration-long) var(--transition-easing-decelerate);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--primary-100);
}

.modal-title {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.025em;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-secondary);
  padding: var(--spacing-xs);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-duration-short) var(--transition-easing-standard);
}

.modal-close:hover {
  color: var(--text-primary);
  background: var(--primary-100);
}

.modal-body {
  margin-bottom: var(--spacing-lg);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--primary-100);
}

/* ===== 状态指示器 ===== */
.status-indicator {
  position: relative;
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-right: var(--spacing-xs);
}

.status-indicator.pulse::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border-radius: 50%;
  background: inherit;
  opacity: 0.3;
  animation: pulse 2s infinite;
}

.status-success { background: var(--success-main); }
.status-warning { background: var(--warning-main); }
.status-error { background: var(--error-main); }
.status-info { background: var(--info-main); }
.status-offline { background: var(--text-disabled); }

/* ===== 加载指示器 ===== */
.loading-indicator {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-lg);
  color: var(--text-secondary);
  position: relative;
}

.loading-indicator::before {
  content: '';
  width: 40px;
  height: 40px;
  border: 3px solid var(--primary-50);
  border-top: 3px solid var(--primary-main);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-right: var(--spacing-sm);
}

/* ===== 消息列表 ===== */
.message-list {
  list-style: none;
  padding: 0;
}

.message-item {
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
  border: 1px solid var(--primary-100);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
}

.message-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-2);
}

.message-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xs);
}

.message-type {
  font-weight: 600;
  color: var(--primary-main);
}

.message-time {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ===== 统计图表区域 ===== */
.chart-wrapper {
  padding: var(--spacing-md);
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

.statistics-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.statistics-controls {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

/* ===== 设备过滤器 ===== */
.device-filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  align-items: end;
}

.filter-group {
  display: flex;
    flex-direction: column;
  gap: var(--spacing-xs);
}

.filter-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  align-items: center;
}

.filter-actions .btn {
  min-width: 120px;
  white-space: nowrap;
}

/* ===== 添加设备表单 ===== */
.add-device-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)) auto;
  gap: var(--spacing-sm);
  align-items: end;
}

.add-device-form .btn {
  min-width: 120px;
  white-space: nowrap;
  justify-self: start;
}

/* ===== 联系人管理 ===== */
.contacts-management,
.task-management {
  margin-bottom: var(--spacing-md);
}

.contacts-actions,
.task-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  flex-wrap: wrap;
  align-items: center;
}

.contacts-actions .btn,
.task-actions .btn {
  min-width: 120px;
  white-space: nowrap;
}

.contacts-filters,
.task-filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  align-items: end;
}

.contacts-table-container {
  overflow-x: auto;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

/* ===== 任务列表 ===== */
.tasks-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

/* ===== 发送统计 ===== */
.send-statistics {
  padding: var(--spacing-md);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-sm);
  background: var(--primary-50);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-main);
}

/* ===== 测试页面样式 ===== */
.device-status {
  display: flex;
  align-items: center;
  margin-top: 12px;
  padding: 10px 12px;
  background: var(--primary-50);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
  font-size: 0.85rem;
}

.char-count {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
}

.toggle-password {
  position: absolute;
  right: var(--spacing-sm);
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  user-select: none;
  color: var(--text-secondary);
  font-size: 1.125rem;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  background: transparent;
  border: none;
  z-index: 10;
}

.toggle-password:hover {
  color: var(--primary-main);
  background: var(--primary-50);
  transform: translateY(-50%) scale(1.1);
}

.toggle-password:active {
  transform: translateY(-50%) scale(0.95);
}

.toggle-password svg {
  transition: all var(--transition-duration-short) var(--transition-easing-standard);
}

.toggle-password:hover svg {
  transform: scale(1.1);
}

/* 为包含密码切换图标的表单组添加相对定位 */
.form-group:has(.toggle-password) {
  position: relative;
}

.form-group:has(.toggle-password) .form-control {
  padding-right: calc(var(--spacing-lg) + var(--spacing-sm));
}

.message-history {
  margin-top: var(--spacing-md);
}

.button-group {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  align-items: center;
}

.button-group .btn {
  min-width: 100px;
  white-space: nowrap;
}

.call-status-container {
  margin-bottom: var(--spacing-sm);
}

.call-status {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm);
  background: var(--primary-50);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

/* ===== 设备卡片按钮优化 ===== */
.device-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--primary-100);
}

.device-actions-primary,
.device-actions-secondary,
.device-actions-danger {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.device-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  white-space: nowrap;
  min-width: auto;
  flex: 1;
  justify-content: center;
  border: none;
  cursor: pointer;
}

.device-btn svg {
  flex-shrink: 0;
  transition: transform var(--transition-duration-standard) var(--transition-easing-standard);
}

.device-btn:hover:not(.disabled) svg {
  transform: scale(1.1);
}

.device-btn.btn-primary {
  background: linear-gradient(135deg, var(--primary-main), var(--primary-dark));
  color: var(--text-white);
  box-shadow: var(--shadow-1);
}

.device-btn.btn-primary:hover:not(.disabled) {
  box-shadow: var(--shadow-primary);
  transform: translateY(-1px);
}

.device-btn.btn-outline {
  background: var(--background-paper);
  color: var(--text-primary);
  border: 1px solid var(--primary-200);
}

.device-btn.btn-outline:hover:not(.disabled) {
  background: var(--primary-50);
  border-color: var(--primary-main);
  color: var(--primary-main);
  transform: translateY(-1px);
}

.device-btn.btn-warning {
  background: linear-gradient(135deg, var(--warning-main), #e68900);
  color: var(--text-white);
}

.device-btn.btn-warning:hover:not(.disabled) {
  box-shadow: 0 4px 12px rgba(255, 152, 0, 0.3);
  transform: translateY(-1px);
}

.device-btn.btn-danger {
  background: linear-gradient(135deg, var(--error-main), #d32f2f);
  color: var(--text-white);
}

.device-btn.btn-danger:hover:not(.disabled) {
  box-shadow: 0 4px 12px rgba(244, 67, 54, 0.3);
  transform: translateY(-1px);
}

.device-btn.disabled,
.device-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.device-btn.disabled:hover,
.device-btn:disabled:hover {
  transform: none !important;
}

/* ===== 设备配置模态框优化 ===== */
.device-config-modal {
  max-width: 800px;
  width: 90vw;
  max-height: 90vh;
  overflow: hidden;
}

.device-config-modal .modal-header {
  background: linear-gradient(135deg, var(--primary-main), var(--primary-dark));
  color: white;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.modal-header-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.device-config-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(10px);
}

.modal-title-section .modal-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: white;
}

.modal-subtitle {
  margin: 4px 0 0 0;
  font-size: 0.875rem;
  opacity: 0.8;
  color: white;
}

.device-config-modal .modal-close {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-left: auto;
}

.device-config-modal .modal-close:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.05);
}

.device-config-modal .modal-body {
  padding: 0;
  overflow-y: auto;
  max-height: calc(90vh - 200px);
}

.config-sections {
  padding: var(--spacing-lg);
}

.config-section {
  margin-bottom: var(--spacing-xl);
  background: var(--background-paper);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--primary-100);
  overflow: hidden;
}

.config-section:last-child {
  margin-bottom: 0;
}

.section-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--primary-50);
  border-bottom: 1px solid var(--primary-100);
}

.section-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--primary-main);
  color: white;
  border-radius: var(--border-radius-md);
}

.section-title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.config-section .form-group {
  margin: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.config-section .form-group:last-child {
  margin-bottom: var(--spacing-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

/* 密码字段样式 */
.password-field .input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-field .form-control {
  padding-right: 48px;
}

.password-toggle {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--border-radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.password-toggle:hover {
  background: var(--primary-50);
  color: var(--primary-main);
}

/* 复选框样式优化 */
.checkbox-group {
  margin-bottom: var(--spacing-md);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  font-weight: 500;
  color: var(--text-primary);
}

.checkbox-label input[type="checkbox"] {
  display: none;
}

.checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--primary-200);
  border-radius: var(--border-radius-sm);
  background: white;
  position: relative;
  transition: all var(--transition-fast);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
  background: var(--primary-main);
  border-color: var(--primary-main);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkbox-text {
  font-size: 0.9rem;
}

/* 字段提示样式 */
.field-hint {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* 模态框底部按钮 */
.device-config-modal .modal-footer {
  padding: var(--spacing-lg);
  background: var(--background-default);
  border-top: 1px solid var(--primary-100);
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
}

.device-config-modal .modal-footer .btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 12px 24px;
  font-weight: 500;
  min-width: 120px;
  justify-content: center;
}

/* ===== 动画关键帧 ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideOutRight {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

/* ===== 消息提示样式 ===== */
.device-message-alert {
  position: fixed !important;
  top: 20px !important;
  right: 20px !important;
  z-index: 10000 !important;
  min-width: 300px !important;
  max-width: 500px !important;
  padding: 12px 16px !important;
  border-radius: 6px !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
  font-size: 14px !important;
  line-height: 1.4 !important;
  word-wrap: break-word !important;
  animation: slideInRight 0.3s ease-out !important;
}

/* ===== 设备分类管理样式 ===== */
.category-select-container {
  display: flex;
  gap: 8px;
  align-items: center;
}

.category-select-container select {
  flex: 1;
}

.category-select-container .btn {
  flex-shrink: 0;
  padding: 8px;
  min-width: auto;
}

.category-management-modal .modal-content {
  max-width: 600px;
}

.category-list {
  margin-bottom: 20px;
}

.category-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  margin-bottom: 8px;
  background: var(--bg-secondary);
}

.category-item:last-child {
  margin-bottom: 0;
}

.category-item.default {
  background: var(--primary-50);
  border-color: var(--primary-200);
}

.category-info {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.category-name {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.category-meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.category-actions {
  display: flex;
  gap: 8px;
}

.category-actions .btn {
  padding: 6px 12px;
  font-size: 0.85rem;
}

.add-category-form {
  display: flex;
  gap: 12px;
  padding: 16px;
  background: var(--bg-tertiary);
  border-radius: 6px;
  margin-bottom: 20px;
}

.add-category-form input {
  flex: 1;
}

.add-category-form .btn {
  flex-shrink: 0;
}

/* ===== 响应式设计 ===== */
@media (max-width: 1200px) {
  .container {
    max-width: 100%;
    padding: 0 var(--spacing-sm);
  }
}

@media (max-width: 960px) {
  .device-overview,
  .bulk-sms-overview {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
  }
  
  .devices-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-sm);
  }
  
  .device-filters {
    grid-template-columns: 1fr;
  }
  
  .add-device-form {
    grid-template-columns: 1fr;
  }
  
  .contacts-filters,
  .task-filters {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .content {
    padding: var(--spacing-sm) 0;
  }
  
  .nav-container {
    gap: 0;
    padding: var(--spacing-xs) 0;
  }
  
  .nav-item {
    padding: 8px 12px;
    font-size: 0.8rem;
    border-radius: 0;
  }
  
  .nav-item::before {
    display: none;
  }
  
  .nav-item.active {
    background: var(--primary-main);
    color: var(--text-white);
  }
  
  .card {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
  }
  
  .card-title {
    font-size: 1rem;
  }
  
  .form-control {
    padding: 10px 12px;
    font-size: 16px; /* 防止iOS Safari缩放 */
  }
  
  .btn {
    padding: 10px 16px;
    font-size: 0.85rem;
    min-height: 44px;
}

  .device-overview,
  .bulk-sms-overview {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .modal-content {
    margin: var(--spacing-sm);
    padding: var(--spacing-md);
  }
  
  .statistics-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .contacts-actions,
  .task-actions {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .filter-actions {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .filter-actions .btn,
  .contacts-actions .btn,
  .task-actions .btn {
    min-width: auto;
    width: 100%;
  }
  
  /* 设备按钮响应式 */
  .device-actions-primary,
  .device-actions-secondary,
  .device-actions-danger {
    flex-direction: column;
  }
  
  .device-btn {
    flex: none;
    width: 100%;
  }
  
  /* 设备配置模态框响应式 */
  .device-config-modal {
    width: 95vw;
    max-height: 95vh;
  }
  
  .device-config-modal .modal-header {
    padding: var(--spacing-md);
  }
  
  .modal-header-content {
    gap: var(--spacing-sm);
  }
  
  .device-config-icon {
    width: 40px;
    height: 40px;
  }
  
  .modal-title-section .modal-title {
    font-size: 1.25rem;
  }
  
  .config-sections {
    padding: var(--spacing-md);
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .device-config-modal .modal-footer {
    padding: var(--spacing-md);
    flex-direction: column;
  }
  
  .device-config-modal .modal-footer .btn {
    width: 100%;
    min-width: auto;
  }
}

@media (max-width: 600px) {
  header h1 {
    font-size: 1.75rem;
  }
  
  header p {
  font-size: 1rem;
}

  .nav-container {
  flex-wrap: wrap;
}

  .nav-item {
    flex: 1;
  text-align: center;
    min-width: calc(50% - var(--spacing-xs));
  }
  
  .device-overview,
  .bulk-sms-overview {
    grid-template-columns: 1fr;
  }
  
  .device-card {
    padding: var(--spacing-sm);
  }
  
  .btn {
  width: 100%;
    justify-content: center;
  }
  
  .modal-footer {
    flex-direction: column;
  }
  
  .modal-footer .btn {
  width: 100%;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .button-group {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .button-group .btn {
    min-width: auto;
    width: 100%;
  }
}

/* ===== 打印样式 ===== */
@media print {
  .nav-item,
  .btn,
  .modal {
    display: none !important;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ddd;
    page-break-inside: avoid;
  }
  
  .card-title {
    color: #000;
  }
  
  body {
    background: white;
  }
}

/* ===== 无障碍性支持 ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== 高对比度模式 ===== */
@media (prefers-contrast: high) {
  .card {
    border: 2px solid var(--primary-main);
  }
  
  .btn {
    border: 2px solid currentColor;
  }
  
  .form-control {
    border-width: 2px;
  }
}

/* ===== 深色模式预留 ===== */
@media (prefers-color-scheme: dark) {
  :root {
    --background-default: #1a1a1a;
    --background-paper: #2d2d2d;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-disabled: #666666;
  }
}

/* 群发短信功能样式 */

/* 任务卡片样式 */
.task-card {
  background: var(--card-background);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.task-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.task-card.sending {
  border-left: 4px solid var(--warning-color);
  background: linear-gradient(135deg, var(--card-background) 0%, #fff9e6 100%);
}

.task-card.completed {
  border-left: 4px solid var(--success-color);
  background: linear-gradient(135deg, var(--card-background) 0%, #f0f9f0 100%);
}

.task-card.partial {
  border-left: 4px solid var(--warning-color);
  background: linear-gradient(135deg, var(--card-background) 0%, #fff4e6 100%);
}

.task-card.failed {
  border-left: 4px solid var(--error-color);
  background: linear-gradient(135deg, var(--card-background) 0%, #fef2f2 100%);
}

.task-card.cancelled {
  border-left: 4px solid var(--text-muted);
  background: linear-gradient(135deg, var(--card-background) 0%, #f8f9fa 100%);
  opacity: 0.8;
}

/* 任务头部 */
.task-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--border-color);
}

.task-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.task-status-badge {
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.task-status-badge.pending {
  background: #e3f2fd;
  color: #1565c0;
}

.task-status-badge.sending {
  background: #fff3e0;
  color: #ef6c00;
  animation: pulse 2s infinite;
}

.task-status-badge.completed {
  background: #e8f5e8;
  color: #2e7d32;
}

.task-status-badge.partial {
  background: #fff8e1;
  color: #f57c00;
}

.task-status-badge.failed {
  background: #ffebee;
  color: #c62828;
}

.task-status-badge.cancelled {
  background: #f5f5f5;
  color: #616161;
}

/* 任务详情 */
.task-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.task-detail-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.task-detail-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.task-detail-value {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 600;
}

.task-detail-value .success-count {
  color: var(--success-color);
}

.task-detail-value .failed-count {
  color: var(--error-color);
}

/* 任务进度条 */
.task-progress {
  margin-bottom: var(--spacing-md);
}

.task-progress-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xs);
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--background-light);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-color-light));
  border-radius: 4px;
  transition: width 0.3s ease;
  position: relative;
}

.progress-fill.partial {
  background: linear-gradient(90deg, var(--warning-color), #ffb74d);
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.3) 50%,
    transparent 100%
  );
  animation: progress-shine 2s infinite;
}

.task-progress-text {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: var(--spacing-xs);
  font-style: italic;
}

/* 任务错误信息 */
.task-error {
  background: #ffebee;
  border: 1px solid #ffcdd2;
  border-radius: var(--border-radius);
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.error-message {
  font-size: 0.9rem;
  color: #c62828;
  margin: 0;
}

/* 任务操作按钮 */
.task-actions-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.task-actions-buttons .btn {
  flex: 1;
  min-width: 80px;
  font-size: 0.85rem;
  padding: 6px 12px;
}

.btn-execute-task {
  background: var(--success-main);
  color: white;
}

.btn-execute-task:hover {
  background: var(--success-color-dark);
}

.btn-cancel-task {
  background: var(--warning-main);
  color: white;
}

.btn-cancel-task:hover {
  background: var(--warning-color-dark);
}

.btn-retry-task {
  background: var(--primary-color);
  color: white;
}

.btn-retry-task:hover {
  background: var(--primary-color-dark);
}

/* 任务详情模态框 */
.modal-content.large {
  max-width: 900px;
  width: 90vw;
}

.task-details-summary {
  background: var(--background-light);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--border-color);
}

.detail-row:last-child {
  border-bottom: none;
}

.detail-row label {
  font-weight: 600;
  color: var(--text-secondary);
  min-width: 120px;
}

.detail-row span {
  color: var(--text-primary);
  text-align: right;
  flex: 1;
}

.task-content {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-sm);
  margin-top: var(--spacing-xs);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.5;
  white-space: pre-wrap;
  max-height: 120px;
  overflow-y: auto;
}

/* 任务统计 */
.task-statistics {
  margin-bottom: var(--spacing-lg);
}

.task-statistics h4 {
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  font-size: 1.1rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--spacing-md);
}

.stat-item {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  text-align: center;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-xs);
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-value.success {
  color: var(--success-color);
}

.stat-value.failed {
  color: var(--error-color);
}

/* 联系人状态表格 */
.task-contacts-list {
  margin-bottom: var(--spacing-lg);
}

.task-contacts-list h4 {
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  font-size: 1.1rem;
}

.contacts-table-container {
  max-height: 400px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
}

.contacts-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.contacts-table th {
  background: var(--background-light);
  padding: var(--spacing-sm);
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1;
}

.contacts-table td {
  padding: var(--spacing-sm);
  border-bottom: 1px solid var(--border-color);
}

.contact-row.pending {
  background: #f8f9fa;
}

.contact-row.sent {
  background: #e8f5e8;
}

.contact-row.failed {
  background: #ffebee;
}

.contact-status-badge {
  padding: 2px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
}

.contact-status-badge.pending {
  background: #e3f2fd;
  color: #1565c0;
}

.contact-status-badge.sent {
  background: #e8f5e8;
  color: #2e7d32;
}

.contact-status-badge.failed {
  background: #ffebee;
  color: #c62828;
}

.error-cell {
  max-width: 200px;
  word-break: break-word;
  font-size: 0.85rem;
  color: var(--error-color);
}

.no-contacts {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-muted);
  font-style: italic;
}

/* 动画效果 */
@keyframes progress-shine {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

/* 响应式设计 */
@media (max-width: 768px) {
  .task-details {
    grid-template-columns: 1fr;
  }
  
  .task-actions-buttons {
  flex-direction: column;
}

.task-actions-buttons .btn {
    flex: none;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .modal-content.large {
    width: 95vw;
    max-width: none;
  }
  
  .detail-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
  
  .detail-row label {
    min-width: auto;
  }
  
  .detail-row span {
    text-align: left;
  }
} 

/* ===== 联系人管理页面样式 ===== */

/* 联系人概览样式 */
.contacts-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.contacts-overview .overview-item {
  background: linear-gradient(135deg, var(--background-paper) 0%, #f8f9fa 100%);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-1);
  text-align: center;
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  border: 1px solid rgba(73, 175, 139, 0.1);
}

.contacts-overview .overview-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-3);
  border-color: var(--primary-main);
}

/* 群组管理增强样式 */
.group-management {
  margin-bottom: var(--spacing-lg);
}

.group-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.group-filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  align-items: end;
}

.group-category-filter {
  background: linear-gradient(135deg, var(--background-paper) 0%, #f8f9fa 100%);
  border: 1px solid var(--primary-200);
  border-radius: var(--border-radius-md);
}

/* 联系人列表增强样式 */
.contacts-list-header {
  background: var(--background-paper);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-1);
}

.list-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.selected-count {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.batch-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.batch-actions .btn {
  font-size: 0.85rem;
  padding: var(--spacing-xs) var(--spacing-sm);
}

/* 分页样式 */
.pagination-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-1);
}

.pagination-info {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.page-numbers {
  display: flex;
  gap: var(--spacing-xs);
}

.page-number {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--primary-200);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-duration-short) var(--transition-easing-standard);
  font-size: 0.85rem;
  background: var(--background-paper);
}

.page-number:hover {
  background: var(--primary-50);
  border-color: var(--primary-main);
}

.page-number.active {
  background: var(--primary-main);
  color: var(--text-white);
  border-color: var(--primary-main);
}

/* 联系人统计图表样式 */
.contacts-statistics {
  margin-top: var(--spacing-md);
}

.contacts-statistics .stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.contacts-statistics .stat-item {
  background: linear-gradient(135deg, var(--background-paper) 0%, #f8f9fa 100%);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-lg);
  text-align: center;
  box-shadow: var(--shadow-1);
  border: 1px solid rgba(73, 175, 139, 0.1);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
}

.contacts-statistics .stat-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
  border-color: var(--primary-main);
}

/* ===== 群发短信页面优化样式 ===== */

/* 快速创建任务样式 */
.quick-task-creation {
  background: linear-gradient(135deg, var(--background-paper) 0%, #f8f9fa 100%);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-1);
  border: 1px solid var(--primary-100);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.form-row:last-child {
  margin-bottom: 0;
}

.task-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-top: var(--spacing-lg);
}

/* 高级任务管理样式 */
.advanced-task-management {
  margin-bottom: var(--spacing-lg);
}

.tasks-list-header {
  background: var(--background-paper);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-1);
  border: 1px solid var(--primary-100);
}

/* 任务模板管理样式 */
.template-management {
  margin-bottom: var(--spacing-lg);
}

.template-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.templates-grid {
  display: block;
  width: 100%;
  margin-top: var(--spacing-md);
}

.templates-table-container {
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  border: 1px solid var(--border-color);
  margin-top: var(--spacing-md);
}

.templates-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.templates-table thead {
  background: var(--primary-main);
  color: var(--text-white);
}

.templates-table th {
  padding: var(--spacing-md) var(--spacing-sm);
  text-align: left;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--primary-dark);
}

.templates-table th:first-child {
  padding-left: var(--spacing-md);
  border-top-left-radius: var(--border-radius-lg);
}

.templates-table th:last-child {
  padding-right: var(--spacing-md);
  border-top-right-radius: var(--border-radius-lg);
}

.templates-table tbody tr {
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  border-bottom: 1px solid var(--primary-50);
}

.templates-table tbody tr:hover {
  background: var(--primary-50);
}

.templates-table tbody tr:last-child {
  border-bottom: none;
}

.templates-table td {
  padding: var(--spacing-md) var(--spacing-sm);
  vertical-align: middle;
  border-bottom: 1px solid var(--border-color);
}

.templates-table td:first-child {
  padding-left: var(--spacing-md);
}

.templates-table td:last-child {
  padding-right: var(--spacing-md);
}

/* 模板名称列 */
.template-name-col {
  width: 20%;
  min-width: 150px;
}

.template-name-wrapper {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.template-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.system-badge,
.custom-badge {
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: var(--border-radius-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.system-badge {
  background: var(--success-light);
  color: var(--success-main);
  border: 1px solid var(--success-main);
}

.custom-badge {
  background: var(--info-light);
  color: var(--info-main);
  border: 1px solid var(--info-main);
}

/* 分类列 */
.template-category-col {
  width: 12%;
  min-width: 100px;
}

.category-badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: var(--border-radius-md);
  font-size: 0.75rem;
  font-weight: 500;
  text-align: center;
  min-width: 60px;
}

.category-badge.category-问候类 {
  background: var(--success-light);
  color: var(--success-main);
}

.category-badge.category-通知类 {
  background: var(--info-light);
  color: var(--info-main);
}

.category-badge.category-提醒类 {
  background: var(--warning-light);
  color: var(--warning-main);
}

.category-badge.category-营销类 {
  background: var(--error-light);
  color: var(--error-main);
}

.category-badge.category-预约类 {
  background: var(--primary-light);
  color: var(--primary-main);
}

.category-badge.category-自定义 {
  background: var(--text-light);
  color: var(--text-secondary);
}

/* 内容列 */
.template-content-col {
  width: 35%;
  min-width: 200px;
}

.content-preview {
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: var(--spacing-xs);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.content-description {
  font-size: 0.75rem;
  color: var(--text-disabled);
  font-style: italic;
  margin-top: var(--spacing-xs);
}

/* 使用次数列 */
.template-usage-col {
  width: 10%;
  min-width: 80px;
  text-align: center;
}

.usage-count {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary-main);
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  font-weight: 500;
  font-size: 0.85rem;
  min-width: 30px;
  text-align: center;
}

/* 类型列 */
.template-type-col {
  width: 10%;
  min-width: 80px;
  text-align: center;
}

.type-badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: var(--border-radius-md);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.type-badge.system {
  background: var(--success-light);
  color: var(--success-main);
  border: 1px solid var(--success-main);
}

.type-badge.custom {
  background: var(--info-light);
  color: var(--info-main);
  border: 1px solid var(--info-main);
}

/* 时间列 */
.template-time-col {
  width: 13%;
  min-width: 120px;
}

.update-time {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* 操作列 */
.template-actions-col {
  width: 15%;
  min-width: 140px;
}

.template-actions-buttons {
  display: flex;
  gap: var(--spacing-xs);
  justify-content: flex-end;
  flex-wrap: wrap;
}

.template-btn {
  padding: 4px 8px;
  border: none;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-duration-fast) var(--transition-easing-standard);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
}

.template-btn.btn-use {
  background: var(--primary-main);
  color: var(--text-white);
  border: 1px solid var(--primary-main);
}

.template-btn.btn-use:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}

.template-btn.btn-preview {
  background: var(--info-main);
  color: var(--text-white);
  border: 1px solid var(--info-main);
}

.template-btn.btn-preview:hover {
  background: var(--info-dark);
  border-color: var(--info-dark);
}

.template-btn.btn-edit {
  background: var(--warning-main);
  color: var(--text-white);
  border: 1px solid var(--warning-main);
}

.template-btn.btn-edit:hover {
  background: var(--warning-dark);
  border-color: var(--warning-dark);
}

.template-btn.btn-delete {
  background: var(--error-main);
  color: var(--text-white);
  border: 1px solid var(--error-main);
}

.template-btn.btn-delete:hover {
  background: var(--error-dark);
  border-color: var(--error-dark);
}

/* 任务确认面板样式 */
.task-confirmation-container {
  margin-top: var(--spacing-lg);
  display: none;
}

.task-confirmation-panel {
  background: var(--background-paper);
  border: 1px solid var(--primary-main);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.confirmation-header {
  background: var(--primary-main);
  color: var(--text-white);
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.confirmation-header h4 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.close-confirmation {
  background: none;
  border: none;
  color: var(--text-white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition-duration-fast) var(--transition-easing-standard);
}

.close-confirmation:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

.confirmation-content {
  padding: var(--spacing-lg);
}

.task-details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--primary-light);
  border-radius: var(--border-radius-sm);
  border-left: 3px solid var(--primary-main);
}

.detail-label {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.detail-value {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.task-features {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--primary-50);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--primary-200);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex: 1;
}

.feature-icon {
  font-size: 1.2rem;
}

.feature-text {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.confirmation-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
}

/* 任务消息容器样式 */
.task-messages-container {
  margin-top: var(--spacing-md);
}

.task-message {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-1);
}

.task-message-success {
  background: var(--success-light);
  border-left: 3px solid var(--success-main);
  color: var(--success-main);
}

.task-message-error {
  background: var(--error-light);
  border-left: 3px solid var(--error-main);
  color: var(--error-main);
}

.task-message-warning {
  background: var(--warning-light);
  border-left: 3px solid var(--warning-main);
  color: var(--warning-main);
}

.task-message-info {
  background: var(--info-light);
  border-left: 3px solid var(--info-main);
  color: var(--info-main);
}

.message-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex: 1;
}

.message-icon {
  font-size: 1.1rem;
}

.message-text {
  font-weight: 500;
  font-size: 0.9rem;
}

/* Fix for sent message history content overflow */
pre.message-content {
  white-space: pre-wrap;    /* Allows the text to wrap */
  word-break: break-word;   /* Breaks long words to prevent overflow */
  margin: 0;                
  padding: 0;
  font-family: inherit;     /* Uses the same font as the parent element */
  font-size: inherit;       /* Uses the same font size as the parent */
  background: transparent;
  border: none;
  display: block;           /* Ensures it behaves as a block-level element */
}

.message-close {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition-duration-fast) var(--transition-easing-standard);
  color: inherit;
  opacity: 0.7;
}

.message-close:hover {
  opacity: 1;
  background: rgba(0, 0, 0, 0.1);
  transform: rotate(90deg);
}

/* 简单动画效果 */
@keyframes slideOutRight {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(20px);
  }
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .templates-table th,
  .templates-table td {
    padding: var(--spacing-sm) var(--spacing-xs);
  }
  
  .template-content-col {
    width: 30%;
  }
  
  .template-name-col {
    width: 25%;
  }
}

@media (max-width: 968px) {
  .templates-table {
    font-size: 0.8rem;
  }
  
  .template-actions-buttons {
    flex-direction: column;
    gap: 2px;
  }
  
  .template-btn {
    font-size: 0.7rem;
    padding: 3px 6px;
  }
  
  .task-details-grid {
    grid-template-columns: 1fr;
  }
  
  .task-features {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

@media (max-width: 768px) {
  .templates-table-container {
    overflow-x: auto;
  }
  
  .templates-table {
    min-width: 600px;
  }
  
  .confirmation-actions {
    flex-direction: column;
  }
  
  .confirmation-actions .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .task-confirmation-panel {
    margin: 0 -var(--spacing-sm);
  }
  
  .confirmation-header,
  .confirmation-content {
    padding: var(--spacing-md);
  }
  
  .task-features .feature-text {
    font-size: 0.8rem;
  }
}

/* ===== 转发目标和规则管理样式 ===== */
.targets-management,
.rules-management {
  margin-bottom: var(--spacing-md);
}

.targets-header,
.rules-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm);
  background: var(--primary-50);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

.targets-info,
.rules-info {
  display: flex;
  gap: var(--spacing-md);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.targets-info span,
.rules-info span {
  background: var(--background-paper);
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--primary-200);
}

.targets-actions,
.rules-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.targets-filters,
.rules-filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm);
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

.targets-list-container,
.rules-list-container {
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
  overflow: hidden;
}

.targets-table-header,
.rules-table-header {
  padding: var(--spacing-sm);
  background: var(--primary-50);
  border-bottom: 1px solid var(--primary-100);
}

.table-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.selection-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.targets-stats {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.targets-stats .stat-item {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0.25rem 0.5rem;
  background: var(--background-default);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--primary-100);
}

.targets-stats .stat-item span {
  font-weight: 600;
  color: var(--primary-main);
}

.targets-table,
.rules-table {
  min-height: 200px;
  position: relative;
}

.rules-statistics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--background-default);
  border-bottom: 1px solid var(--primary-100);
}

.rules-statistics .stat-item {
  text-align: center;
  padding: var(--spacing-sm);
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

.rules-statistics .stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.rules-statistics .stat-value {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-main);
}

/* 筛选器样式 */
.targets-filters,
.rules-filters {
  display: flex;
  gap: 1rem;
  align-items: end;
  padding: var(--spacing-md);
  background: var(--background-default);
  border-bottom: 1px solid var(--primary-100);
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  flex-direction: column;
  min-width: 150px;
}

.filter-group label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.3rem;
  font-weight: 500;
}

.filter-group .form-control {
  font-size: 0.9rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--primary-200);
  border-radius: var(--border-radius-sm);
  background: var(--background-paper);
}

.filter-group .form-control:focus {
  border-color: var(--primary-main);
  box-shadow: 0 0 0 2px rgba(25, 118, 210, 0.1);
}

.filter-actions {
  display: flex;
  gap: 0.5rem;
  align-items: end;
}

.filter-actions .btn {
  padding: 0.4rem 0.8rem;
  font-size: 0.9rem;
}

/* 转发目标和规则卡片 */
.target-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--primary-100);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  position: relative;
}

.target-item:last-child {
  border-bottom: none;
}

.target-item:hover {
  background: var(--primary-50);
}

.target-item.disabled {
  opacity: 0.6;
  background: var(--background-default);
}

.item-checkbox {
  margin-right: var(--spacing-sm);
}

.item-info {
  flex: 1;
  display: grid;
  grid-template-columns: 2fr 1fr 2fr;
  gap: var(--spacing-sm);
  align-items: center;
}

.item-name {
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.item-type {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.item-type.http { background: #e3f2fd; color: #1976d2; }
.item-type.webhook { background: #f3e5f5; color: #7b1fa2; }
.item-type.serverchan { background: #e8f5e8; color: #388e3c; }
.item-type.bark { background: #fff3e0; color: #f57c00; }
.item-type.pushover { background: #fce4ec; color: #c2185b; }
.item-type.smtp { background: #e0f2f1; color: #00695c; }
.item-type.sms { background: #e8eaf6; color: #3f51b5; }
.item-type.file { background: #f1f8e9; color: #558b2f; }

.item-status {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success-main);
}

.status-dot.disabled {
  background: var(--text-disabled);
}



.item-actions {
  display: flex;
  gap: var(--spacing-xs);
  margin-left: var(--spacing-sm);
}

.item-btn {
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
}

.item-btn.btn-primary {
  background: var(--primary-main);
  color: var(--text-white);
}

.item-btn.btn-primary:hover {
  background: var(--primary-dark);
}

.item-btn.btn-outline {
  background: transparent;
  border: 1px solid var(--primary-main);
  color: var(--primary-main);
}

.item-btn.btn-outline:hover {
  background: var(--primary-main);
  color: var(--text-white);
}

.item-btn.btn-warning {
  background: var(--warning-main);
  color: var(--text-white);
}

.item-btn.btn-warning:hover {
  background: #e68900;
}

.item-btn.btn-danger {
  background: var(--error-main);
  color: var(--text-white);
}

.item-btn.btn-danger:hover {
  background: #d32f2f;
}



.rule-triggers {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.rule-messages {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
}

.message-tag {
  display: inline-flex;
  align-items: center;
  padding: 1px 4px;
  border-radius: 2px;
  font-size: 0.7rem;
  background: var(--primary-100);
  color: var(--primary-main);
  white-space: nowrap;
}

.empty-state {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-secondary);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
  opacity: 0.3;
}

.empty-state-text {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xs);
}

.empty-state-subtitle {
  font-size: 0.9rem;
  opacity: 0.7;
}

/* 移动端响应式适配 */
@media (max-width: 768px) {
  .targets-header,
  .rules-header {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: stretch;
  }
  
  .targets-info,
  .rules-info {
    justify-content: center;
    text-align: center;
  }
  
  .targets-filters,
  .rules-filters {
    grid-template-columns: 1fr;
  }
  
  .table-controls {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-xs);
  }
  
  .batch-actions {
    justify-content: space-between;
    flex-wrap: wrap;
  }
  
  .item-info {
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
  }
  
  .item-actions {
    flex-direction: column;
    gap: 2px;
  }
  
  .rules-statistics {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .targets-filters,
  .rules-filters {
    flex-direction: column;
    gap: 0.8rem;
  }
  
  .filter-group {
    min-width: unset;
  }
}

/* ===== 消息统计信息样式 ===== */
.message-stats {
  background: var(--primary-50);
  border: 1px solid var(--primary-100);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.message-stats p {
  margin: 0;
  font-weight: 500;
}

/* ===== 转发目标和规则管理列表样式 ===== */

/* ===== 现代化设备配置模态框样式 ===== */
.device-config-modern {
  width: 100%;
  max-width: 900px;
  height: auto;
  max-height: 90vh;
  background: var(--background-paper);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--primary-100);
  overflow: hidden;
}

/* 配置头部 */
.config-header {
  background: linear-gradient(135deg, var(--primary-dark) 0%, #2e7d5f 100%);
  color: white;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: none;
}

.config-header-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.config-icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.config-title-section {
  flex: 1;
}

.config-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 4px 0;
  color: white;
}

.config-subtitle {
  font-size: 0.9rem;
  margin: 0;
  opacity: 0.9;
  color: rgba(255, 255, 255, 0.9);
}

.device-id {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  opacity: 0.8;
}

.config-close {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: var(--border-radius-sm);
  color: white;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.config-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.05);
}

/* 配置主体 */
.config-body {
  padding: 24px;
  background: var(--background-paper);
}

.config-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

/* 配置卡片 */
.config-card {
  background: var(--background-paper);
  border: 1px solid var(--primary-100);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: all 0.2s ease;
}

.config-card:hover {
  border-color: var(--primary-200);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.card-header {
  background: var(--primary-50);
  border-bottom: 1px solid var(--primary-100);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--primary-dark);
  font-weight: 500;
  font-size: 0.9rem;
}

.card-header svg {
  color: var(--primary-main);
}

/* 紧凑表单 */
.form-compact {
  padding: 16px;
}

.form-compact .form-group {
  margin-bottom: 16px;
}

.form-compact .form-group:last-child {
  margin-bottom: 0;
}

.form-compact label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.form-compact .form-control {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--primary-100);
  border-radius: var(--border-radius-sm);
  font-size: 0.9rem;
  background: var(--background-paper);
  transition: all 0.2s ease;
}

.form-compact .form-control:focus {
  outline: none;
  border-color: var(--primary-main);
  box-shadow: 0 0 0 3px rgba(73, 175, 139, 0.1);
}

.compact-textarea {
  resize: vertical;
  min-height: 60px;
}

/* 双列表单行 */
.form-row-dual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

@media (max-width: 480px) {
  .form-row-dual {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* 带切换按钮的输入框 */
.input-with-toggle {
  position: relative;
}

.input-toggle {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--border-radius-sm);
  transition: all 0.2s ease;
}

.input-toggle:hover {
  color: var(--primary-600);
  background: var(--primary-50);
}

/* 现代化复选框 */
.checkbox-item {
  margin-bottom: 16px;
}

.checkbox-modern {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}

.checkbox-modern input[type="checkbox"] {
  display: none;
}

.checkbox-mark {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-primary);
  position: relative;
  transition: all 0.2s ease;
}

.checkbox-modern input[type="checkbox"]:checked + .checkbox-mark {
  background: var(--primary-600);
  border-color: var(--primary-600);
}

.checkbox-modern input[type="checkbox"]:checked + .checkbox-mark::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 2px;
  width: 4px;
  height: 8px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkbox-label {
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* 配置底部 */
.config-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-actions {
  display: flex;
  gap: 12px;
}

.footer-actions .btn {
  padding: 8px 16px;
  font-size: 0.9rem;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.footer-actions .btn-secondary {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.footer-actions .btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--text-secondary);
}

.footer-actions .btn-primary {
  background: var(--primary-600);
  border: 1px solid var(--primary-600);
  color: white !important;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-actions .btn-primary:hover {
  background: var(--primary-700);
  border-color: var(--primary-700);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(59, 130, 246, 0.3);
}

.footer-info {
  flex: 1;
}

.config-hint {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  font-style: italic;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .device-config-modern {
    max-width: 95vw;
    margin: 20px auto;
  }
  
  .config-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .config-header {
    padding: 16px 20px;
  }
  
  .config-body {
    padding: 20px;
  }
  
  .config-footer {
    padding: 16px 20px;
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
  
  .footer-actions {
    order: 2;
    justify-content: center;
  }
  
  .footer-info {
    order: 1;
    margin-bottom: 12px;
  }
}

@media (max-width: 480px) {
  .config-header-info {
    gap: 12px;
  }
  
  .config-icon {
    width: 40px;
    height: 40px;
  }
  
  .config-title {
    font-size: 1.1rem;
  }
  
  .footer-actions {
    flex-direction: column;
    gap: 8px;
  }
  
  .footer-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* 动画效果 */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.device-config-modern {
  animation: slideInUp 0.3s ease-out;
}

.config-card {
  animation: slideInUp 0.3s ease-out;
}

.config-card:nth-child(1) { animation-delay: 0.1s; }
.config-card:nth-child(2) { animation-delay: 0.2s; }
.config-card:nth-child(3) { animation-delay: 0.3s; }

/* 转发规则管理优化样式 */
.rules-stats {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.rules-stats .stat-item {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0.25rem 0.5rem;
  background: var(--background-default);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--primary-100);
}

.rules-stats .stat-item span {
  font-weight: 600;
  color: var(--primary-main);
}

/* ===== 设备卡片详细样式 ===== */

/* 设备卡片头部 */
.device-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-xs);
  border-bottom: 1px solid var(--primary-100);
}

.device-id {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 4px;
}

.device-name {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.3;
  margin-bottom: 2px;
}

.device-category {
  display: inline-block;
  background: var(--primary-100);
  color: var(--primary-main);
  padding: 4px 10px;
  border-radius: var(--border-radius-md);
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  border: 1px solid var(--primary-200);
}

/* 设备信息区域 */
.device-info {
  margin-bottom: var(--spacing-sm);
}

.device-info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid var(--primary-50);
  transition: background-color var(--transition-duration-short) var(--transition-easing-standard);
}

.device-info-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.device-info-item:hover {
  background-color: var(--primary-50);
  margin: 0 -12px;
  padding: 6px 12px;
  border-radius: var(--border-radius-sm);
}

.device-info-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
  flex-shrink: 0;
}

.device-info-value {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
  text-align: right;
  max-width: 60%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.device-info-value.last-seen {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

/* SIM卡状态区域 */
.sim-status {
  display: flex;
  gap: var(--spacing-xs);
  margin: var(--spacing-sm) 0;
}

.sim-slot {
  flex: 1;
  padding: var(--spacing-xs);
  background: var(--background-default);
  border: 1px solid var(--primary-100);
  border-radius: var(--border-radius-sm);
  text-align: center;
  font-size: 0.8rem;
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  position: relative;
}

.sim-slot.active {
  background: var(--primary-50);
  border-color: var(--primary-main);
  color: var(--primary-main);
  box-shadow: 0 2px 8px rgba(73, 175, 139, 0.15);
}

.sim-slot.error {
  background: rgba(244, 67, 54, 0.05);
  border-color: var(--error-main);
  color: var(--error-main);
}

.sim-slot small {
  display: block;
  margin-top: 2px;
  font-size: 0.7rem;
  opacity: 0.8;
}

/* 信号强度指示器 */
.signal-bars {
  display: inline-flex;
  gap: 2px;
  align-items: flex-end;
  margin-left: var(--spacing-xs);
  vertical-align: middle;
}

.signal-bar {
  width: 3px;
  background: var(--text-disabled);
  border-radius: 1px;
  transition: background-color var(--transition-duration-short) var(--transition-easing-standard);
}

.signal-bar.active {
  background: var(--primary-main);
}

.signal-bar:nth-child(1) { height: 4px; }
.signal-bar:nth-child(2) { height: 6px; }
.signal-bar:nth-child(3) { height: 8px; }
.signal-bar:nth-child(4) { height: 10px; }
.signal-bar:nth-child(5) { height: 12px; }

/* 设备操作按钮区域 */
.device-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--primary-100);
}

.device-actions-primary,
.device-actions-secondary,
.device-actions-danger {
  display: flex;
  gap: var(--spacing-xs);
}

.device-actions-secondary {
  margin-top: var(--spacing-xs);
}

.device-actions-danger {
  margin-top: var(--spacing-xs);
}

/* 设备状态指示器增强 */
.device-card.restarting {
  border-color: var(--warning-main);
  background: rgba(255, 152, 0, 0.02);
}

.device-card.restarting::before {
  background: linear-gradient(135deg, var(--warning-main), #f57c00);
}

.device-card.restarting .status-indicator {
  background: var(--warning-main);
  animation: pulse 2s infinite;
}

/* 响应式设计优化 */
@media (max-width: 768px) {
  .device-card {
    margin-bottom: var(--spacing-sm);
  }
  
  .device-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
  
  .device-status {
    align-self: flex-end;
  }
  
  .device-actions {
    margin-top: var(--spacing-sm);
  }
  
  .device-actions-primary,
  .device-actions-secondary,
  .device-actions-danger {
    flex-wrap: wrap;
  }
  
  .sim-status {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .signal-bars {
    justify-content: center;
    margin-top: 4px;
  }
}

/* 转发规则特定样式 */


.rule-triggers {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin: var(--spacing-xs) 0;
}

.rule-messages {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin: var(--spacing-xs) 0;
}

.message-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  background: var(--primary-100);
  color: var(--primary-dark);
  border-radius: var(--border-radius-sm);
  font-size: 0.7rem;
  font-weight: 500;
  border: 1px solid var(--primary-200);
}

/* 规则列表现代化样式 */
.rules-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.rule-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xs);
  padding-bottom: var(--spacing-xs);
  border-bottom: 1px solid var(--primary-100);
}

.rule-header strong {
  color: var(--text-primary);
  font-size: 1rem;
}

.rule-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.rule-body {
  display: grid;
  gap: var(--spacing-xs);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.rule-body p {
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.rule-body strong {
  color: var(--text-primary);
  font-weight: 600;
  min-width: 80px;
}

/* 状态徽章样式 */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-badge.status-enabled {
  background: var(--success-main);
  color: var(--text-white);
}

.status-badge.status-disabled {
  background: var(--text-disabled);
  color: var(--text-white);
}

/* 规则操作按钮样式 */
.btn-sm {
  padding: 4px 8px;
  font-size: 0.75rem;
  border-radius: var(--border-radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
}

.btn-toggle-rule.btn-enable {
  background: var(--success-main);
  color: var(--text-white);
}

.btn-toggle-rule.btn-enable:hover {
  background: #45a049;
}

.btn-toggle-rule.btn-disable {
  background: var(--warning-main);
  color: var(--text-white);
}

.btn-toggle-rule.btn-disable:hover {
  background: #e68900;
}

.btn-edit-rule {
  background: var(--primary-main);
  color: var(--text-white);
}

.btn-edit-rule:hover {
  background: var(--primary-dark);
}

.btn-delete-rule {
  background: var(--error-main);
  color: var(--text-white);
}

.btn-delete-rule:hover {
  background: #d32f2f;
}

/* 规则编辑模态框样式 */
.rule-edit-modal {
  max-width: 800px;
}

.rule-edit-modal .modal-header {
  background: linear-gradient(135deg, var(--primary-main) 0%, var(--primary-dark) 100%);
  color: var(--text-white);
  border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
}

.rule-edit-modal .modal-title {
  color: var(--text-white);
  margin: 0;
}

.rule-edit-modal .modal-close {
  color: var(--text-white);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.rule-edit-modal .modal-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.rule-edit-modal .form-section {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

.rule-edit-modal .section-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-main);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.rule-edit-modal .section-title svg {
  width: 18px;
  height: 18px;
}

/* 目标选择下拉框样式 */
.target-select-container {
  position: relative;
}

.target-select-container .form-control {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 8px center;
  background-repeat: no-repeat;
  background-size: 16px 12px;
  padding-right: 32px;
}

/* 消息类型多选样式 */
.msgid-select-container {
  position: relative;
}

.msgid-select-container select[multiple] {
  min-height: 120px;
  resize: vertical;
}

.msgid-select-container .select-helper {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.msgid-select-container .select-helper svg {
  width: 14px;
  height: 14px;
}

/* 设备ID输入框样式 */
.device-id-container {
  position: relative;
}

.device-id-container .form-control {
  padding-right: 32px;
}

.device-id-container .device-hint {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-disabled);
  font-size: 0.8rem;
  pointer-events: none;
}

/* 转换模板编辑器样式 */
.transform-editor {
  position: relative;
}

.transform-editor textarea {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 0.85rem;
  line-height: 1.4;
  resize: vertical;
}

.transform-variables {
  margin-top: var(--spacing-xs);
  padding: var(--spacing-sm);
  background: var(--background-default);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--primary-100);
}

.transform-variables .variables-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.transform-variables .variables-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.transform-variables .variable-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  background: var(--primary-100);
  color: var(--primary-dark);
  border-radius: var(--border-radius-sm);
  font-size: 0.7rem;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  cursor: pointer;
  transition: all var(--transition-duration-short) var(--transition-easing-standard);
}

.transform-variables .variable-tag:hover {
  background: var(--primary-200);
  transform: translateY(-1px);
}

/* 空状态样式改进 */
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--text-secondary);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.6;
}

.empty-state-text {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.empty-state-subtitle {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* 响应式布局优化 */
@media (max-width: 768px) {
  .targets-header,
  .rules-header {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-sm);
  }

  .targets-info,
  .rules-info {
    justify-content: center;
    flex-wrap: wrap;
  }

  .targets-filters,
  .rules-filters {
    grid-template-columns: 1fr;
  }

  .table-controls {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-sm);
  }
  
  .selection-info {
    width: 100%;
    justify-content: flex-start;
  }
  
  .targets-stats {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
  }
  
  .targets-stats .stat-item {
    flex: 1;
    min-width: 80px;
    text-align: center;
  }

  .batch-actions {
    justify-content: center;
    flex-wrap: wrap;
  }

  .item-info {
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
  }

  .item-actions {
    flex-wrap: wrap;
  }

  .rules-statistics {
    grid-template-columns: repeat(2, 1fr);
  }

  .rule-header {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-sm);
  }

  .rule-actions {
    justify-content: center;
    flex-wrap: wrap;
  }

  .rule-edit-modal {
    max-width: 95vw;
    margin: var(--spacing-sm);
  }

  .transform-variables .variables-list {
    justify-content: center;
  }
}

/* 转发规则管理优化样式 */
.rules-stats {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.rules-stats .stat-item {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0.25rem 0.5rem;
  background: var(--background-default);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--primary-100);
}

.rules-stats .stat-item span {
  font-weight: 600;
  color: var(--primary-main);
}

/* 移动端响应式优化 */
@media (max-width: 768px) {
  .rules-stats {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
  }
  
  .rules-stats .stat-item {
    flex: 1;
    min-width: 80px;
    text-align: center;
  }
}

/* ===== 时间设置模态框样式 ===== */
.time-settings-section {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  border: 1px solid var(--primary-100);
  border-radius: var(--border-radius-md);
  background: var(--background-paper);
}

.time-settings-section:last-child {
  margin-bottom: 0;
}

.time-settings-section h4 {
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.time-settings-section h4::before {
  content: '';
  width: 4px;
  height: 18px;
  background: linear-gradient(135deg, var(--primary-main), var(--primary-dark));
  border-radius: 2px;
}

.quick-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.quick-actions .btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  flex: 1;
  min-width: 180px;
  justify-content: center;
}

.quick-actions .btn svg {
  width: 16px;
  height: 16px;
}

.time-info {
  background: var(--background-default);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-sm);
}

.info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--primary-100);
}

.info-item:last-child {
  border-bottom: none;
}

.info-label {
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.info-value {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.alert {
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  margin-top: var(--spacing-md);
}

.alert-info {
  background: rgba(33, 150, 243, 0.1);
  border: 1px solid rgba(33, 150, 243, 0.2);
  color: var(--info-main);
}

.alert strong {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

.alert ul {
  margin: var(--spacing-xs) 0 0 var(--spacing-sm);
  padding: 0;
}

.alert li {
  margin-bottom: 4px;
  font-size: 0.9rem;
  line-height: 1.4;
}

/* 时间设置模态框响应式设计 */
@media (max-width: 768px) {
  .time-settings-section {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
  }
  
  .quick-actions {
    flex-direction: column;
  }
  
  .quick-actions .btn {
    min-width: 100%;
    flex: none;
  }
  
  .info-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  
  .info-label,
  .info-value {
    font-size: 0.85rem;
  }
}

@media (max-width: 480px) {
  .time-settings-section h4 {
    font-size: 1rem;
  }
  
  .quick-actions .btn {
    padding: 10px 16px;
    font-size: 0.9rem;
  }
  
  .alert {
    padding: var(--spacing-xs);
  }
  
  .alert li {
    font-size: 0.85rem;
  }
}

/* 密码修改模态框样式 */
#change-password-modal .modal-content {
  max-width: 450px;
  margin: 50px auto;
}

#change-password-modal .form-group {
  margin-bottom: 20px;
}

#change-password-modal .form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
  color: #333;
}

#change-password-modal .form-control {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
  transition: border-color 0.2s;
}

#change-password-modal .form-control:focus {
  outline: none;
  border-color: #007bff;
  box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

#change-password-modal small {
  display: block;
  margin-top: 5px;
  color: #666;
  font-size: 12px;
}

#change-password-modal .alert {
  padding: 12px 15px;
  margin: 15px 0;
  border: 1px solid transparent;
  border-radius: 4px;
}

#change-password-modal .alert-info {
  background-color: #d1ecf1;
  border-color: #bee5eb;
  color: #0c5460;
}

#change-password-modal .alert-info strong {
  font-weight: 600;
}

#change-password-modal .alert ul {
  margin: 8px 0 0 0;
  padding-left: 20px;
}

#change-password-modal .alert li {
  margin-bottom: 4px;
  font-size: 13px;
}

/* 设备按钮间距优化 */
.device-actions-secondary .device-btn {
  margin-right: 6px;
}

.device-actions-secondary .device-btn:last-child {
  margin-right: 0;
}

/* 设备按钮图标和文字对齐 */
.device-btn svg {
  margin-right: 4px;
  vertical-align: middle;
}

/* 响应式设计 - 移动端优化 */
@media (max-width: 768px) {
  #change-password-modal .modal-content {
    margin: 20px auto;
    max-width: 90%;
  }
  
  .device-actions-secondary {
    flex-wrap: wrap;
    gap: 4px;
  }
  
  .device-actions-secondary .device-btn {
    margin-right: 0;
    margin-bottom: 4px;
    flex: 1;
    min-width: 70px;
  }
}

@media (max-width: 480px) {
  .device-actions-secondary .device-btn {
    font-size: 11px;
    padding: 4px 6px;
  }
  
  .device-btn svg {
    width: 12px;
    height: 12px;
    margin-right: 2px;
  }
}

/* 定时重启模态框样式 */
#schedule-restart-modal .alert-success {
  background-color: #d4edda;
  border-color: #c3e6cb;
  color: #155724;
  margin-bottom: 20px;
}

#schedule-restart-modal .alert-success strong {
  font-weight: 600;
}

#schedule-restart-modal .alert-success small {
  color: #0f5132;
  font-size: 12px;
}

/* ===== 联系人与群组管理样式 ===== */

/* 管理操作栏 */
.management-actions {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
  text-align: center;
}

.action-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.action-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  padding-bottom: var(--spacing-xs);
  border-bottom: 2px solid var(--primary-200);
}

.action-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.action-buttons .btn {
  min-width: 120px;
  font-size: 0.875rem;
}

/* 筛选和搜索区域 */
.filters-section {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

.filter-row {
  display: grid;
  grid-template-columns: 1fr 200px;
  gap: var(--spacing-md);
  align-items: end;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.filter-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.filter-group .form-control {
  height: 40px;
}

/* 区域标题样式 */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--primary-100);
}

.section-header .card-title {
  margin: 0;
  font-size: 1.25rem;
}

.section-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.group-count,
.contact-count {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.group-count span,
.contact-count span {
  color: var(--primary-main);
  font-weight: 600;
}

/* 群组展示区域 */
#groups-section {
  margin-bottom: var(--spacing-lg);
}

.groups-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.group-card {
  background: var(--background-paper);
  border: 1px solid var(--primary-100);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  cursor: pointer;
}

.group-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
  border-color: var(--primary-main);
}

.group-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-sm);
}

.group-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.group-status {
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.group-status.active {
  background: var(--success-main);
  color: white;
}

.group-status.inactive {
  background: var(--text-disabled);
  color: white;
}

.group-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.group-count-info {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.group-count-info strong {
  color: var(--primary-main);
}

.group-actions {
  display: flex;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

.group-actions .btn {
  padding: 6px 12px;
  font-size: 0.75rem;
  border-radius: var(--border-radius-sm);
}

/* 联系人展示区域 */
.contacts-filters {
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--primary-50);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

.contacts-filters .filter-row {
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}



/* 联系人表格容器 */
.contacts-table-container {
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
  overflow: hidden;
  margin-bottom: var(--spacing-md);
}

.contacts-table {
  width: 100%;
  border-collapse: collapse;
}

.contacts-table th {
  background: var(--primary-50);
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 2px solid var(--primary-100);
  font-size: 0.875rem;
}

.contacts-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--primary-100);
  font-size: 0.875rem;
}

.contacts-table tr:hover {
  background: var(--primary-50);
}

.contacts-table tr:last-child td {
  border-bottom: none;
}

/* 分页控制 */
.pagination-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

.pagination-info {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.pagination-info span {
  color: var(--primary-main);
  font-weight: 600;
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.page-numbers {
  display: flex;
  gap: var(--spacing-xs);
}

.page-number {
  padding: 6px 12px;
  border: 1px solid var(--primary-100);
  border-radius: var(--border-radius-sm);
  background: var(--background-paper);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 0.875rem;
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
}

.page-number:hover {
  background: var(--primary-50);
  border-color: var(--primary-main);
}

.page-number.active {
  background: var(--primary-main);
  color: var(--text-white);
  border-color: var(--primary-main);
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .management-actions {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .filter-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
  
  .groups-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .management-actions {
    padding: var(--spacing-sm);
  }
  
  .action-buttons {
    flex-direction: column;
  }
  
  .action-buttons .btn {
    min-width: auto;
  }
  
  .filters-section {
    padding: var(--spacing-sm);
  }
  
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
  
  .section-actions {
    width: 100%;
    justify-content: space-between;
  }
  
  .groups-grid {
    grid-template-columns: 1fr;
  }
  
  .batch-operations {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: stretch;
  }
  
  .selection-info {
    justify-content: center;
  }
  
  .batch-actions {
    justify-content: center;
  }
  
  .pagination-container {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }
  
  .contacts-table {
    font-size: 0.75rem;
  }
  
  .contacts-table th,
  .contacts-table td {
    padding: var(--spacing-xs);
  }
}

@media (max-width: 480px) {
  .contacts-filters .filter-row {
    grid-template-columns: 1fr;
  }
  
  .group-actions {
    flex-direction: column;
  }
  
  .batch-actions {
    flex-direction: column;
  }
  
  .pagination-controls {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .page-numbers {
    justify-content: center;
    flex-wrap: wrap;
  }
}

/* 表单分组样式 */
.form-section {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--primary-50);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

.form-section:last-child {
  margin-bottom: 0;
}

.section-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-main);
  margin: 0 0 var(--spacing-md) 0;
  padding-bottom: var(--spacing-xs);
  border-bottom: 2px solid var(--primary-200);
}

/* 大型模态框 */
.modal-content.large {
  max-width: 800px;
  width: 90vw;
}

/* 群组管理表格 */
.groups-management-container {
  max-height: 500px;
  overflow-y: auto;
}

.groups-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

.groups-table th {
  background: var(--primary-main);
  color: var(--text-white);
  padding: var(--spacing-sm);
  text-align: left;
  font-weight: 600;
  font-size: 0.875rem;
}

.groups-table td {
  padding: var(--spacing-sm);
  border-bottom: 1px solid var(--primary-100);
  vertical-align: middle;
}

.groups-table tr:hover {
  background: var(--primary-50);
}

.groups-table tr:last-child td {
  border-bottom: none;
}

/* 群组操作按钮 */
.group-actions-buttons {
  display: flex;
  gap: var(--spacing-xs);
}

.group-actions-buttons .btn {
  padding: 4px 8px;
  font-size: 0.75rem;
  min-width: auto;
}

/* 联系人表格优化 */
.contacts-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

.contacts-table th {
  background: var(--primary-main);
  color: var(--text-white);
  padding: var(--spacing-sm);
  text-align: left;
  font-weight: 600;
  font-size: 0.875rem;
  white-space: nowrap;
}

.contacts-table td {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-bottom: 1px solid var(--primary-100);
  vertical-align: middle;
  font-size: 0.875rem;
}

.contacts-table tr:hover {
  background: var(--primary-50);
}

.contacts-table tr:last-child td {
  border-bottom: none;
}

/* 联系人操作按钮 */
.contact-actions-buttons {
  display: flex;
  gap: var(--spacing-xs);
}

.contact-actions-buttons .btn {
  padding: 2px 6px;
  font-size: 0.7rem;
  min-width: auto;
}

/* 响应式表格 */
@media (max-width: 768px) {
  .modal-content.large {
    width: 95vw;
    max-width: none;
  }

  .form-section {
    padding: var(--spacing-sm);
  }

  .groups-table,
  .contacts-table {
    font-size: 0.75rem;
  }

  .groups-table th,
  .groups-table td,
  .contacts-table th,
  .contacts-table td {
    padding: var(--spacing-xs);
  }

  .group-actions-buttons,
  .contact-actions-buttons {
    flex-direction: column;
    gap: 2px;
  }
}

/* ===== 联系人表格专用样式 ===== */

/* 卡片头部样式 */
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--primary-100);
  background: linear-gradient(135deg, var(--background-paper) 0%, var(--primary-50) 100%);
  border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
}

.card-actions {
  display: flex;
  gap: var(--spacing-xs);
  align-items: center;
}

.card-actions .btn {
  padding: 10px 16px;
  font-size: 0.9rem;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
}

/* 筛选区域样式 */
.filters-section {
  background: var(--primary-50);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  border: 1px solid var(--primary-100);
}

.filter-row {
  display: flex;
  gap: var(--spacing-md);
  align-items: end;
  flex-wrap: wrap;
}

.filter-group {
  flex: 1;
  min-width: 200px;
}

.filter-actions {
  display: flex;
  gap: var(--spacing-xs);
  align-items: center;
}

/* 表格容器样式 */
.table-container {
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-1);
  margin-bottom: var(--spacing-md);
}

/* 联系人表格样式 */
.contacts-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--background-paper);
}

.contacts-table thead {
  background: linear-gradient(135deg, var(--primary-main) 0%, var(--primary-dark) 100%);
  color: var(--text-white);
}

.contacts-table th {
  padding: 16px 12px;
  text-align: left;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  user-select: none;
}

.contacts-table th:last-child {
  border-right: none;
}

.contacts-table th.sortable {
  cursor: pointer;
  padding-right: 28px;
}

.contacts-table th.sortable:hover {
  background: rgba(255, 255, 255, 0.1);
}

.contacts-table th.sortable::after {
  content: '';
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-bottom: 4px solid rgba(255, 255, 255, 0.5);
  transition: all var(--transition-duration-short);
}

.contacts-table th.sortable.sort-asc::after {
  border-bottom: 4px solid var(--text-white);
  transform: translateY(-50%) rotate(0deg);
}

.contacts-table th.sortable.sort-desc::after {
  border-bottom: none;
  border-top: 4px solid var(--text-white);
  transform: translateY(-50%) rotate(0deg);
}

.contacts-table tbody tr {
  transition: all var(--transition-duration-short) var(--transition-easing-standard);
  border-bottom: 1px solid var(--primary-100);
}

.contacts-table tbody tr:hover {
  background: var(--primary-50);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(73, 175, 139, 0.15);
}

.contacts-table tbody tr:last-child {
  border-bottom: none;
}

.contacts-table td {
  padding: 14px 12px;
  vertical-align: middle;
  color: var(--text-primary);
  border-right: 1px solid var(--primary-100);
}

.contacts-table td:last-child {
  border-right: none;
}

/* 复选框列样式 */
.checkbox-col {
  width: 50px;
  text-align: center;
}

/* 操作列样式 */
.actions-col {
  width: 120px;
  text-align: center;
  vertical-align: middle;
}

/* 加载状态样式 */
.loading-cell {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-secondary);
}

/* 联系人操作按钮 */
.contact-actions {
  display: flex;
  gap: 8px;
  justify-content: center;
  align-items: center;
}

.contact-btn {
  padding: 5px 10px;
  border: none;
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.contact-btn.btn-edit {
  background: var(--info-main);
  color: var(--text-white);
}

.contact-btn.btn-edit:hover {
  background: #1976d2;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(33, 150, 243, 0.3);
}

.contact-btn.btn-delete {
  background: var(--error-main);
  color: var(--text-white);
}

.contact-btn.btn-delete:hover {
  background: #d32f2f;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(244, 67, 54, 0.3);
}

/* 批量操作样式 */
.batch-operations {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  background: var(--primary-50);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--spacing-md);
  border: 1px solid var(--primary-100);
}

.selection-info {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.selected-count {
  font-weight: 600;
  color: var(--primary-main);
}

.batch-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.batch-actions .btn {
  padding: 8px 16px;
  font-size: 0.85rem;
}

/* 分页样式 */
.pagination-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  background: var(--background-paper);
  border-top: 1px solid var(--primary-100);
  border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
}

.pagination-info {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.pagination-controls {
  display: flex;
  gap: var(--spacing-xs);
  align-items: center;
}

.page-numbers {
  display: flex;
  gap: 4px;
  margin: 0 var(--spacing-sm);
}

.page-number {
  padding: 6px 12px;
  border: 1px solid var(--primary-200);
  background: var(--background-paper);
  color: var(--text-primary);
  cursor: pointer;
  border-radius: var(--border-radius-sm);
  font-size: 0.85rem;
  transition: all var(--transition-duration-short);
  text-decoration: none;
}

.page-number:hover {
  background: var(--primary-100);
  border-color: var(--primary-main);
  transform: translateY(-1px);
}

.page-number.active {
  background: var(--primary-main);
  color: var(--text-white);
  border-color: var(--primary-main);
  box-shadow: 0 2px 4px rgba(73, 175, 139, 0.3);
}

/* 空状态样式 */
.empty-contacts {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--text-secondary);
}

.empty-contacts h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

/* 自动生成字段样式 */
.auto-generated {
  background: var(--primary-50);
  border-color: var(--primary-200);
  color: var(--text-secondary);
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .contacts-table {
    font-size: 0.85rem;
  }
  
  .contacts-table th,
  .contacts-table td {
    padding: 12px 8px;
  }
}

@media (max-width: 968px) {
  .card-header {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: stretch;
  }
  
  .card-actions {
    justify-content: center;
  }
  
  .filter-row {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .filter-group {
    min-width: auto;
  }
  
  .batch-operations {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: stretch;
  }
  
  .pagination-container {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

@media (max-width: 768px) {
  .table-container {
    overflow-x: auto;
  }
  
  .contacts-table {
    min-width: 800px;
  }
  
  .contacts-table th,
  .contacts-table td {
    padding: 10px 6px;
    font-size: 0.8rem;
  }
  
  .contact-actions {
    flex-direction: column;
    gap: 4px;
  }
  
  .contact-btn {
    padding: 4px 8px;
    font-size: 0.75rem;
  }
}

@media (max-width: 480px) {
  .card-actions {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .card-actions .btn {
    width: 100%;
    justify-content: center;
  }
  
  .contacts-table {
    min-width: 900px;
  }
  
  .batch-actions {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .batch-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* 表格加载动画 */
.table-loading {
  position: relative;
  overflow: hidden;
}

.table-loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(73, 175, 139, 0.1),
    transparent
  );
  animation: tableShimmer 1.5s infinite;
}

@keyframes tableShimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* 特殊字段样式 */
.contacts-table .name-cell {
  font-weight: 600;
  color: var(--primary-main);
}

.contacts-table .phone-cell {
  font-family: 'Courier New', monospace;
  font-weight: 500;
}

.contacts-table .email-cell {
  font-family: 'Courier New', monospace;
  color: var(--info-main);
}

.contacts-table .custom-field {
  font-style: italic;
  color: var(--text-secondary);
}

.contacts-table .custom-field:empty::after {
  content: '-';
  color: var(--text-disabled);
}

/* ===== 群组管理专用样式 ===== */

/* 群组概览样式 */
.groups-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--primary-50);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

.groups-overview .overview-item {
  background: linear-gradient(135deg, var(--primary-main) 0%, var(--primary-light) 100%);
  color: var(--text-white);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  position: relative;
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.groups-overview .overview-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-3);
}

.groups-overview .overview-item .overview-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: var(--spacing-xs);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  line-height: 1;
}

.groups-overview .overview-item .overview-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0;
}

/* 群组网格样式 */
.groups-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.group-card {
  background: var(--background-paper);
  border: 1px solid var(--primary-100);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  position: relative;
  overflow: hidden;
}

.group-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary-main);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
}

.group-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
  border-color: var(--primary-main);
}

.group-card:hover::before {
  width: 6px;
}

.group-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-sm);
}

.group-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.3;
}

.group-status {
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.group-status.active {
  background: var(--success-main);
  color: var(--text-white);
}

.group-status.inactive {
  background: var(--text-disabled);
  color: var(--text-white);
}

.group-info {
  margin-bottom: var(--spacing-md);
}

.group-description {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.4;
  margin-bottom: var(--spacing-sm);
}

.group-count-info {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.group-count-info strong {
  color: var(--primary-main);
  font-weight: 600;
}

.group-actions {
  display: flex;
  gap: var(--spacing-xs);
  justify-content: flex-end;
}

.group-actions .btn {
  padding: 6px 12px;
  font-size: 0.8rem;
  border-radius: var(--border-radius-sm);
}

/* 群组表格样式 */
.groups-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--background-paper);
}

.groups-table thead {
  background: linear-gradient(135deg, var(--primary-main) 0%, var(--primary-dark) 100%);
  color: var(--text-white);
}

.groups-table th {
  padding: 16px 12px;
  text-align: left;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.groups-table th:last-child {
  border-right: none;
}

.groups-table tbody tr {
  border-bottom: 1px solid var(--primary-100);
  transition: all var(--transition-duration-short) var(--transition-easing-standard);
}

.groups-table tbody tr:hover {
  background: var(--primary-50);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(73, 175, 139, 0.15);
}

.groups-table tbody tr:last-child {
  border-bottom: none;
}

.groups-table td {
  padding: 14px 12px;
  vertical-align: middle;
  color: var(--text-primary);
  border-right: 1px solid var(--primary-100);
}

.groups-table td:last-child {
  border-right: none;
}

.group-actions-buttons {
  display: flex;
  gap: 6px;
  justify-content: center;
}

.group-actions-buttons .btn {
  padding: 4px 8px;
  font-size: 0.75rem;
  border-radius: var(--border-radius-sm);
}

/* 群组颜色标识 */
.group-color-indicator {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-right: var(--spacing-xs);
  vertical-align: middle;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

/* 群组筛选样式 */
.contacts-table .group-cell {
  position: relative;
}

.group-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-white);
  background: var(--primary-main);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.group-badge.empty {
  background: var(--text-disabled);
  color: var(--text-white);
}

/* 响应式群组设计 */
@media (max-width: 768px) {
  .groups-overview {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
  }
  
  .groups-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
  
  .group-header {
    flex-direction: column;
    gap: var(--spacing-xs);
    align-items: flex-start;
  }
  
  .group-actions {
    width: 100%;
    justify-content: stretch;
  }
  
  .group-actions .btn {
    flex: 1;
    text-align: center;
  }
  
  .groups-table {
    font-size: 0.8rem;
  }
  
  .groups-table th,
  .groups-table td {
    padding: 10px 8px;
  }
  
  .group-actions-buttons {
    flex-direction: column;
    gap: 4px;
  }
}

/* ===== 表单帮助文本样式 ===== */
.form-help {
  display: block;
  margin-top: 4px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.3;
}

/* 短信模板管理样式 */
.templates-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.templates-overview .overview-item {
  background: linear-gradient(135deg, var(--primary-main) 0%, var(--primary-light) 100%);
  color: var(--text-white);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  position: relative;
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.templates-overview .overview-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-3);
}

.templates-overview .overview-item .overview-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: var(--spacing-xs);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  line-height: 1;
}

.templates-overview .overview-item .overview-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0;
}

.templates-grid {
  margin-bottom: var(--spacing-lg);
}

/* 旧的模板卡片样式已移除，现在使用表格布局 */

/* 模板变量面板样式 */
.template-variables-panel {
  background: var(--background-default);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  margin-top: var(--spacing-md);
}

.template-variables-panel h5 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  font-size: 0.95rem;
  font-weight: 600;
}

.variables-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--spacing-xs);
}

.variable-btn {
  background: var(--background-paper);
  border: 1px solid var(--primary-200);
  color: var(--primary-main);
  padding: 6px 10px;
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition-duration-short) var(--transition-easing-standard);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.variable-btn:hover {
  background: var(--primary-main);
  color: var(--text-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-1);
}

.variable-btn:active {
  transform: translateY(0);
}

/* 模板预览样式 */
.template-preview {
  background: var(--background-default);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
  min-height: 80px;
  position: relative;
}

.preview-placeholder {
  color: var(--text-disabled);
  font-style: italic;
  text-align: center;
  padding: var(--spacing-md) 0;
}

.preview-text {
  color: var(--text-primary);
  line-height: 1.5;
  font-size: 0.9rem;
}

.preview-variables {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--primary-100);
}

.preview-variables h6 {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: var(--spacing-xs);
}

.preview-variables-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.preview-variable-tag {
  background: var(--primary-100);
  color: var(--primary-main);
  padding: 2px 6px;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
}

/* 模板管理表格样式 */
.templates-management-container {
  max-height: 70vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.templates-filters {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--background-default);
  border-radius: var(--border-radius-md);
}

.templates-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

.templates-table thead {
  background: var(--primary-50);
}

.templates-table th {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 1px solid var(--primary-100);
  white-space: nowrap;
}

.templates-table th:last-child {
  text-align: center;
}

.templates-table tbody tr {
  transition: background-color var(--transition-duration-short);
}

.templates-table tbody tr:hover {
  background: var(--primary-50);
}

.templates-table tbody tr:last-child {
  border-bottom: none;
}

.templates-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--primary-100);
  vertical-align: top;
}

.templates-table td:last-child {
  text-align: center;
}

.template-content-cell {
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.template-category-badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.template-category-badge.greeting { background: #e8f5e8; color: #388e3c; }
.template-category-badge.notification { background: #e3f2fd; color: #1976d2; }
.template-category-badge.reminder { background: #fff3e0; color: #f57c00; }
.template-category-badge.marketing { background: #fce4ec; color: #c2185b; }
.template-category-badge.appointment { background: #f3e5f5; color: #7b1fa2; }
.template-category-badge.custom { background: #f5f5f5; color: #616161; }

.template-usage-cell {
  text-align: center;
  font-weight: 600;
  color: var(--primary-main);
}

.template-actions-cell {
  white-space: nowrap;
}

.template-actions-cell .btn {
  font-size: 0.75rem;
  padding: 4px 8px;
  margin: 0 2px;
}

/* 变量分类样式 */
.variables-categories {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.variables-category {
  background: var(--background-default);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
}

.variables-category h5 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.variables-category h5::before {
  content: '📝';
  font-size: 1.2rem;
}

.variables-category:nth-child(2) h5::before {
  content: '🏷️';
}

.variables-category:nth-child(3) h5::before {
  content: '⚙️';
}

.variables-explanation {
  background: var(--primary-50);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-lg);
  border-left: 4px solid var(--primary-main);
}

.variables-explanation p {
  color: var(--text-primary);
  margin: 0;
  line-height: 1.5;
}

/* 短信内容设置样式 */
.form-section {
  background: var(--background-default);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
  border: 1px solid var(--primary-100);
}

.section-title {
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-xs);
  border-bottom: 2px solid var(--primary-main);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.section-title::before {
  content: '📝';
  font-size: 1.2rem;
}

.template-actions {
  display: flex;
  gap: var(--spacing-xs);
  align-items: center;
  justify-content: flex-end;
}

.form-section {
  background: var(--background-paper);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-100);
  margin-bottom: var(--spacing-md);
}

.form-section:last-child {
  margin-bottom: 0;
}

.template-variables-help {
  margin-top: var(--spacing-xs);
}

.template-variables-help small {
  color: var(--text-secondary);
  font-size: 0.8rem;
  line-height: 1.4;
  display: block;
  background: var(--background-default);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  border-left: 3px solid var(--primary-main);
  margin-top: var(--spacing-xs);
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .templates-overview {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
  
  .templates-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
  
  .templates-filters {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
}

@media (max-width: 768px) {
  .templates-overview {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }
  
  .templates-grid {
    grid-template-columns: 1fr;
  }
  
  .template-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
  
  .template-actions-buttons {
    justify-content: flex-start;
  }
  
  .variables-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  }
  
  .templates-table {
    font-size: 0.8rem;
  }
  
  .templates-table th,
  .templates-table td {
    padding: var(--spacing-xs) var(--spacing-sm);
  }
  
  .template-content-cell {
    max-width: 150px;
  }
  
  .variables-categories {
    gap: var(--spacing-md);
  }
  
  .form-section {
    padding: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .templates-overview {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .template-actions-buttons {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .template-actions-buttons .btn {
    width: 100%;
    text-align: center;
  }
  
  .variables-grid {
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  }
  
  .variable-btn {
    font-size: 0.7rem;
    padding: 4px 6px;
  }
  
  .templates-filters {
    padding: var(--spacing-sm);
  }
  
  .section-title {
    font-size: 1rem;
  }
  
  .template-variables-help small {
    font-size: 0.75rem;
  }
}

/* 加载和空状态样式 */
.templates-loading {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-2xl);
  color: var(--text-secondary);
}

.no-templates {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--text-secondary);
}

.no-templates h3 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.no-templates p {
  margin-bottom: var(--spacing-lg);
}

/* 字符计数样式增强 */
.char-count {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.char-count.warning {
  color: var(--warning-main);
}

.char-count.error {
  color: var(--error-main);
  font-weight: 600;
}

.char-count-progress {
  width: 60px;
  height: 4px;
  background: var(--primary-100);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

.char-count-fill {
  height: 100%;
  background: var(--primary-main);
  transition: all var(--transition-duration-short);
  border-radius: 2px;
}

.char-count-fill.warning {
  background: var(--warning-main);
}

.char-count-fill.error {
  background: var(--error-main);
}

/* ===== 短信模板功能样式 ===== */

/* 模板卡片分类样式 */
.template-card.category-greeting {
  border-left: 4px solid #4caf50;
}

.template-card.category-notification {
  border-left: 4px solid #2196f3;
}

.template-card.category-reminder {
  border-left: 4px solid #ff9800;
}

.template-card.category-marketing {
  border-left: 4px solid #e91e63;
}

.template-card.category-appointment {
  border-left: 4px solid #9c27b0;
}

.template-card.category-custom {
  border-left: 4px solid #757575;
}

/* 模板按钮样式 */
.template-actions-buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  flex-wrap: nowrap;
}

.template-btn {
  padding: 5px 10px; /* 调整内边距 */
  font-size: 0.85rem;
  border-radius: var(--border-radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition-duration-short) var(--transition-easing-standard);
  white-space: nowrap; /* 防止文字换行 */
  margin: 0; /* 移除外边距 */
}

.templates-table .template-actions-col {
  width: 260px; /* 增加列宽度以容纳所有按钮 */
}

.templates-table .template-actions-cell {
  text-align: center;
  vertical-align: middle;
}

.template-btn.btn-use {
  background: var(--primary-main);
  color: white;
}

.template-btn.btn-use:hover {
  background: var(--primary-dark);
}

.template-btn.btn-preview {
  background: var(--info-main);
  color: white;
}

.template-btn.btn-preview:hover {
  background: #1976d2;
}

.template-btn.btn-edit {
  background: var(--warning-main);
  color: white;
}

.template-btn.btn-edit:hover {
  background: #f57c00;
}

.template-btn.btn-delete {
  background: var(--error-main);
  color: white;
}

.template-btn.btn-delete:hover {
  background: #d32f2f;
}

/* 系统模板标识 */
.system-badge {
  background: var(--primary-100);
  color: var(--primary-main);
  padding: 2px 6px;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
}

.custom-badge {
  background: var(--text-disabled);
  color: white;
  padding: 2px 6px;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
}

/* 分类标识样式 */
.category-badge {
  padding: 2px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  display: inline-block;
}

.category-badge.category-greeting {
  background: #e8f5e8;
  color: #388e3c;
}

.category-badge.category-notification {
  background: #e3f2fd;
  color: #1976d2;
}

.category-badge.category-reminder {
  background: #fff3e0;
  color: #f57c00;
}

.category-badge.category-marketing {
  background: #fce4ec;
  color: #c2185b;
}

.category-badge.category-appointment {
  background: #f3e5f5;
  color: #7b1fa2;
}

.category-badge.category-custom {
  background: #f5f5f5;
  color: #616161;
}

/* 变量面板样式 */
.variable-category {
  margin-bottom: var(--spacing-md);
}

.variable-category .category-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  padding-bottom: var(--spacing-xs);
  border-bottom: 2px solid var(--primary-100);
}

.variables-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--spacing-xs);
}

.variable-item {
  background: var(--background-paper);
  border: 1px solid var(--primary-100);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-xs);
  cursor: pointer;
  transition: all var(--transition-duration-short) var(--transition-easing-standard);
  text-align: center;
}

.variable-item:hover {
  background: var(--primary-50);
  border-color: var(--primary-main);
  transform: translateY(-1px);
}

.variable-key {
  display: block;
  font-weight: 600;
  color: var(--primary-main);
  font-size: 0.85rem;
  margin-bottom: 2px;
}

.variable-name {
  display: block;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* 变量标签样式 */
.variable-tag {
  background: var(--primary-100);
  color: var(--primary-main);
  padding: 2px 6px;
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  margin-right: 4px;
  margin-bottom: 4px;
  display: inline-block;
}

.no-variables {
  color: var(--text-secondary);
  font-style: italic;
  font-size: 0.9rem;
}

/* 预览文本样式 */
.preview-text {
  background: var(--background-default);
  border: 1px solid var(--primary-100);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-sm);
  margin: var(--spacing-xs) 0;
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  line-height: 1.4;
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* 空状态样式 */
.empty-templates {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-secondary);
  background: var(--background-paper);
  border-radius: var(--border-radius-lg);
  border: 2px dashed var(--primary-200);
}

.empty-templates h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  font-size: 1.2rem;
}

.empty-templates p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* 内容单元格样式 */
.content-cell {
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.actions-cell {
  min-width: 120px;
}

.empty-cell {
  text-align: center;
  padding: var(--spacing-lg);
  color: var(--text-secondary);
  font-style: italic;
}

/* 模板表格样式增强 */
.templates-table .content-cell {
  max-width: 250px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.templates-table .actions-cell .template-btn {
  margin-right: 2px;
  margin-bottom: 2px;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .variables-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 6px;
  }
  
  .variable-item {
    padding: 6px;
  }
  
  .template-btn {
    padding: 3px 6px;
    font-size: 0.75rem;
  }
  
  .templates-table .content-cell {
    max-width: 150px;
  }
}

@media (max-width: 480px) {
  .variables-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  }
  
  .variable-category .category-title {
    font-size: 0.9rem;
  }
  
  .template-actions-buttons {
    flex-wrap: wrap;
  }
  
  .template-btn {
    margin-bottom: 6px;
  }
}

/* ===== 创建群发任务增强样式 ===== */
.task-creation {
  max-width: 100%;
}

/* 任务预览样式 */
.task-summary {
  background: var(--background-default);
  border: 1px solid var(--primary-100);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
}

.summary-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xs) 0;
}

.summary-label {
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.summary-value {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
}

/* 内容状态栏 */
.content-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-xs);
}

.content-preview-btn {
  display: flex;
  align-items: center;
}

/* 群组联系人数量提示 */
.group-contact-count {
  color: var(--primary-main);
  font-weight: 500;
}

/* 表单验证状态 */
.form-control.valid {
  border-color: var(--success-main);
  background-color: rgba(76, 175, 80, 0.05);
}

.form-control.invalid {
  border-color: var(--error-main);
  background-color: rgba(244, 67, 54, 0.05);
}

.validation-message {
  font-size: 0.8rem;
  margin-top: var(--spacing-xs);
  padding: var(--spacing-xs);
  border-radius: var(--border-radius-sm);
}

.validation-message.success {
  color: var(--success-dark);
  background-color: rgba(76, 175, 80, 0.1);
  border: 1px solid var(--success-light);
}

.validation-message.error {
  color: var(--error-dark);
  background-color: rgba(244, 67, 54, 0.1);
  border: 1px solid var(--error-light);
}

/* 任务操作按钮样式增强 */
.task-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--primary-100);
  flex-wrap: wrap;
}

.task-actions .btn-primary {
  background: linear-gradient(135deg, var(--primary-main) 0%, var(--primary-dark) 100%);
  border: none;
  color: white;
  font-weight: 600;
  padding: var(--spacing-sm) var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.task-actions .btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.task-actions .btn-primary:hover::before {
  left: 100%;
}

.task-actions .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(73, 175, 139, 0.3);
}

/* 按钮尺寸变体 */
.btn-xs {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  border-radius: var(--border-radius-sm);
}

/* 响应式优化 */
@media (max-width: 768px) {
  .task-creation .form-section {
    margin-bottom: var(--spacing-md);
  }
  
  .summary-grid {
    grid-template-columns: 1fr;
  }
  
  .task-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .task-actions .btn {
    width: 100%;
    margin-bottom: var(--spacing-xs);
  }
  
  .content-status {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
}

/* ===== 紧凑型任务创建布局样式 ===== */
.task-creation-compact {
  background: var(--background-paper);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-1);
}

.task-form-grid {
  margin-bottom: var(--spacing-lg);
}

.form-row-compact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.form-row-compact:last-child {
  margin-bottom: 0;
}

.form-group-compact {
  display: flex;
  flex-direction: column;
}

.form-group-compact label {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  font-size: 0.9rem;
}

.form-group-compact .form-control {
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-200);
  transition: all var(--transition-duration-short);
  font-size: 0.9rem;
}

.form-group-compact .form-control:focus {
  border-color: var(--primary-main);
  box-shadow: 0 0 0 3px var(--primary-100);
}

.group-info {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
  min-height: 1.2rem;
}

.template-actions-compact {
  display: flex;
  align-items: flex-end;
}

.button-group-inline {
  display: flex;
  gap: var(--spacing-xs);
}

.button-group-inline .btn {
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
}

/* 短信内容区域 */
.content-section-compact {
  background: var(--background-default);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.content-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.content-header label {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.content-stats {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.content-textarea {
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-200);
  resize: vertical;
  min-height: 80px;
  font-size: 0.9rem;
}

.content-textarea:focus {
  border-color: var(--primary-main);
  box-shadow: 0 0 0 3px var(--primary-100);
}

.variables-hint {
  font-size: 0.75rem;
  color: var(--text-disabled);
  margin-top: var(--spacing-xs);
  line-height: 1.4;
}

/* 任务预览区域 */
.task-summary-compact {
  background: var(--primary-50);
  border: 1px solid var(--primary-200);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.summary-header {
  font-weight: 600;
  color: var(--primary-main);
  margin-bottom: var(--spacing-sm);
  font-size: 0.9rem;
}

.summary-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--spacing-sm);
}

.summary-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.summary-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 2px;
}

.summary-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* 操作按钮区域 */
.task-actions-compact {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
  align-items: center;
}

.btn-main,
.btn.btn-primary {
  background: linear-gradient(135deg, var(--primary-main) 0%, var(--primary-600) 100%);
  color: white !important;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--border-radius-md);
  border: 2px solid var(--primary-main);
  box-shadow: var(--shadow-1);
  transition: all var(--transition-duration-short);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  line-height: 1.5;
  min-height: 44px;
}

.btn-main:hover,
.btn.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
  border-color: var(--primary-600);
  color: white !important;
}

.btn-main:active,
.btn.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-1);
}

.btn-main:focus,
.btn.btn-primary:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--primary-100);
}

.btn-main:disabled,
.btn.btn-primary:disabled {
  background: var(--text-disabled);
  color: var(--text-white) !important;
  border-color: var(--text-disabled);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-main:disabled:hover,
.btn.btn-primary:disabled:hover {
  background: var(--text-disabled);
  color: var(--text-white) !important;
  border-color: var(--text-disabled);
  transform: none;
  box-shadow: none;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .form-row-compact {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
  
  .summary-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .task-creation-compact {
    padding: var(--spacing-md);
  }
  
  .form-row-compact {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
  
  .content-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
  
  .content-stats {
    width: 100%;
    justify-content: space-between;
  }
  
  .summary-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
  }
  
  .summary-item {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
  
  .task-actions-compact {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .task-actions-compact .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .button-group-inline {
    flex-direction: column;
    width: 100%;
  }
  
  .button-group-inline .btn {
    width: 100%;
    font-size: 0.8rem;
    padding: 6px 12px;
  }
  
  .variables-hint {
    font-size: 0.7rem;
  }
}

/* 任务进度显示样式 */
.task-progress-container {
  padding: var(--spacing-md);
}

.progress-info {
  margin-bottom: var(--spacing-lg);
}

.progress-stats {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-sm);
  font-size: 0.9rem;
  font-weight: 600;
}

.progress-stats span {
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  background: var(--primary-50);
  color: var(--primary-main);
}

.progress-bar {
  width: 100%;
  height: 20px;
  background: var(--background-light);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  border: 1px solid var(--primary-200);
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-main), var(--primary-600));
  transition: width 0.3s ease;
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: progress-shine 2s infinite;
}

.progress-logs {
  margin-top: var(--spacing-lg);
}

.progress-logs h4 {
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  font-size: 1rem;
}

.logs-container {
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--primary-200);
  border-radius: var(--border-radius-md);
  background: var(--background-default);
  padding: var(--spacing-sm);
}

.log-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--background-light);
  font-size: 0.85rem;
}

.log-item:last-child {
  border-bottom: none;
}

.log-time {
  flex-shrink: 0;
  color: var(--text-secondary);
  font-size: 0.75rem;
  min-width: 80px;
}

.log-message {
  flex: 1;
  line-height: 1.4;
}

.log-item.log-success .log-message {
  color: var(--success-main);
}

.log-item.log-error .log-message {
  color: var(--error-main);
}

.log-item.log-info .log-message {
  color: var(--text-primary);
}

/* 群组信息显示 */
.group-info {
  font-size: 0.8rem;
  margin-top: 4px;
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  background: var(--primary-50);
  color: var(--primary-main);
  border: 1px solid var(--primary-200);
}

/* 预览内容样式 */
.preview-content,
.preview-original {
  margin: var(--spacing-md) 0;
}

.preview-content h4,
.preview-original h4 {
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
}

.preview-text {
  background: var(--background-light);
  border: 1px solid var(--primary-200);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  font-size: 0.9rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.preview-info {
  background: var(--primary-50);
  border: 1px solid var(--primary-200);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.preview-info p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.preview-info strong {
  color: var(--primary-main);
}

/* 响应式调整 */
@media (max-width: 768px) {
  .progress-stats {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .progress-stats span {
    text-align: center;
  }
  
  .logs-container {
    max-height: 200px;
  }
  
  .log-item {
    flex-direction: column;
    gap: 2px;
  }
  
  .log-time {
    min-width: auto;
    font-size: 0.7rem;
  }
}

/* 高级任务进度窗口样式 */
.task-progress-modal .modal-content {
  max-width: 1000px;
  max-height: 90vh;
  overflow-y: auto;
}

.task-progress-container {
  padding: var(--spacing-md);
}

/* 任务信息区域 */
.task-info-section {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--background-light);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-200);
}

.task-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.info-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.info-value {
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 500;
}

.status-badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
}

.status-badge.status-pending {
  background: var(--warning-100);
  color: var(--warning-main);
}

.status-badge.status-running {
  background: var(--primary-100);
  color: var(--primary-main);
}

.status-badge.status-paused {
  background: var(--warning-100);
  color: var(--warning-main);
}

.status-badge.status-completed {
  background: var(--success-100);
  color: var(--success-main);
}

.status-badge.status-completed_with_errors {
  background: var(--warning-100);
  color: var(--warning-main);
}

.status-badge.status-failed {
  background: var(--error-100);
  color: var(--error-main);
}

.status-badge.status-cancelled {
  background: var(--text-100);
  color: var(--text-secondary);
}

/* 进度统计区域 */
.progress-stats-section {
  margin-bottom: var(--spacing-lg);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-md);
}

.stat-card {
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  text-align: center;
  border: 2px solid;
  background: white;
}

.stat-card.success {
  border-color: var(--success-200);
  background: var(--success-50);
}

.stat-card.error {
  border-color: var(--error-200);
  background: var(--error-50);
}

.stat-card.warning {
  border-color: var(--warning-200);
  background: var(--warning-50);
}

.stat-card.info {
  border-color: var(--primary-200);
  background: var(--primary-50);
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-card.success .stat-number {
  color: var(--success-main);
}

.stat-card.error .stat-number {
  color: var(--error-main);
}

.stat-card.warning .stat-number {
  color: var(--warning-main);
}

.stat-card.info .stat-number {
  color: var(--primary-main);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 600;
}

/* 进度条区域 */
.progress-section {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: white;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--primary-200);
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.progress-label {
  font-weight: 600;
  color: var(--text-primary);
}

.progress-percent {
  font-weight: 700;
  color: var(--primary-main);
  font-size: 1.1rem;
}

.progress-bar {
  width: 100%;
  height: 24px;
  background: var(--background-light);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  border: 1px solid var(--primary-200);
  position: relative;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-main), var(--primary-600));
  transition: width 0.5s ease;
  position: relative;
  overflow: hidden;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  animation: progressShimmer 2s infinite;
}

@keyframes progressShimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.progress-details {
  margin-top: var(--spacing-sm);
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-align: center;
}

/* 批次状态区域 */
.batches-section {
  margin-bottom: var(--spacing-lg);
}

.batches-section h4 {
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.batches-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  max-height: 200px;
  overflow-y: auto;
}

.batch-card {
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  border: 1px solid;
  background: white;
}

.batch-card.success {
  border-color: var(--success-200);
  background: var(--success-50);
}

.batch-card.info {
  border-color: var(--primary-200);
  background: var(--primary-50);
}

.batch-card.pending {
  border-color: var(--text-200);
  background: var(--text-50);
}

.batch-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xs);
}

.batch-title {
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--text-primary);
}

.batch-status {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.batch-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.batch-progress {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.batch-progress-bar {
  flex: 1;
  height: 6px;
  background: var(--background-light);
  border-radius: 3px;
  overflow: hidden;
}

.batch-progress-fill {
  height: 100%;
  background: var(--primary-main);
  transition: width 0.3s ease;
}

.batch-progress-text {
  font-size: 0.7rem;
  color: var(--text-secondary);
  min-width: 30px;
}

.batch-stats {
  display: flex;
  gap: var(--spacing-xs);
  font-size: 0.7rem;
}

.batch-stat {
  padding: 2px 4px;
  border-radius: 2px;
  font-weight: 600;
}

.batch-stat.success {
  background: var(--success-100);
  color: var(--success-main);
}

.batch-stat.error {
  background: var(--error-100);
  color: var(--error-main);
}

.batch-stat.total {
  background: var(--text-100);
  color: var(--text-secondary);
}

/* 任务控制区域 */
.task-controls {
  margin-bottom: var(--spacing-lg);
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  padding: var(--spacing-md);
  background: var(--background-light);
  border-radius: var(--border-radius-md);
}

/* 日志区域 */
.logs-section {
  border: 1px solid var(--primary-200);
  border-radius: var(--border-radius-md);
  background: white;
}

.logs-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--primary-200);
  background: var(--primary-50);
}

.logs-header h4 {
  margin: 0;
  color: var(--text-primary);
}

.logs-controls {
  display: flex;
  gap: var(--spacing-xs);
}

.logs-container {
  max-height: 300px;
  overflow-y: auto;
  padding: var(--spacing-sm);
  background: #fafafa;
}

.log-item {
  display: flex;
  gap: var(--spacing-sm);
  padding: 4px 0;
  border-bottom: 1px solid #eee;
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
}

.log-item:last-child {
  border-bottom: none;
}

.log-time {
  color: var(--text-secondary);
  min-width: 80px;
  font-weight: 600;
}

.log-message {
  flex: 1;
  word-break: break-word;
}

.log-item.log-success .log-message {
  color: var(--success-main);
}

.log-item.log-error .log-message {
  color: var(--error-main);
}

.log-item.log-warning .log-message {
  color: var(--warning-main);
}

.log-item.log-info .log-message {
  color: var(--text-primary);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .task-info-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .batches-grid {
    grid-template-columns: 1fr;
  }
  
  .task-controls {
    flex-direction: column;
  }
  
  .logs-header {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: stretch;
  }
}

/* 空模板状态样式 */
.empty-templates {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-secondary);
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  margin-top: var(--spacing-md);
}

.empty-templates h3 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  font-size: 1.2rem;
}

.empty-templates p {
  margin: 0;
  font-size: 0.95rem;
}

/* 群组表格样式 */
.groups-table-container {
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  border: 1px solid var(--border-color);
  margin-top: var(--spacing-md);
}

.groups-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--background-paper);
}

.groups-table thead {
  background: var(--primary-main);
  color: var(--text-white);
}

.groups-table th {
  padding: var(--spacing-sm);
  text-align: left;
  font-weight: 600;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--primary-dark);
}

.groups-table tbody tr {
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-duration-fast);
}

.groups-table tbody tr:hover {
  background-color: var(--background-light);
}

.groups-table td {
  padding: var(--spacing-sm);
  vertical-align: middle;
  font-size: 0.9rem;
}

.group-name-col {
  width: 20%;
  min-width: 120px;
}

.group-description-col {
  width: 30%;
  min-width: 150px;
}

.group-contacts-col {
  width: 15%;
  text-align: center;
}

.group-color-col {
  width: 10%;
  text-align: center;
}

.group-created-col {
  width: 15%;
  min-width: 100px;
}

.group-actions-col {
  width: 10%;
  text-align: center;
}

.group-name-cell {
  font-weight: 600;
  color: var(--text-primary);
}

.group-description-cell {
  color: var(--text-secondary);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.group-contacts-count {
  background: var(--info-light);
  color: var(--info-dark);
  padding: 2px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-block;
}

.group-color-indicator {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: inline-block;
  border: 2px solid var(--border-color);
}

.group-actions {
  display: flex;
  gap: var(--spacing-xs);
  justify-content: center;
}

.group-btn {
  padding: 4px 8px;
  border: none;
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition-duration-fast);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 50px;
}

.group-btn.btn-edit {
  background: var(--warning-light);
  color: var(--warning-dark);
}

.group-btn.btn-edit:hover {
  background: var(--warning-dark);
  color: var(--text-white);
}

.group-btn.btn-delete {
  background: var(--error-light);
  color: var(--error-dark);
}

.group-btn.btn-delete:hover {
  background: var(--error-dark);
  color: var(--text-white);
}

.empty-groups {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-secondary);
}

.empty-groups h4 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  font-size: 1.1rem;
}

.empty-groups p {
  margin: 0;
  font-size: 0.9rem;
}

.badge {
  display: inline-block;
  padding: 2px 6px;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: var(--border-radius-sm);
  margin-left: var(--spacing-xs);
}

.badge.badge-primary {
  background: var(--primary-light);
  color: var(--primary-dark);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .groups-table-container {
    overflow-x: auto;
  }
  
  .groups-table {
    min-width: 600px;
  }
  
  .group-description-col {
    width: 25%;
    min-width: 120px;
  }
  
  .group-created-col {
    width: 12%;
    min-width: 80px;
  }
}

/* 优化的任务创建布局样式 */
.task-creation-optimized {
  padding: 0;
}

.task-form-sections {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-section-row {
  background: var(--background-light);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-sm);
  border: 1px solid var(--border-color);
}

.section-title-small {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-main);
  margin-bottom: var(--spacing-xs);
  padding-bottom: var(--spacing-xs);
  border-bottom: 1px solid var(--primary-100);
}

.form-fields-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  align-items: start;
}

.form-field {
  display: flex;
  flex-direction: column;
}

.form-field label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.form-control.compact {
  padding: 6px 8px;
  font-size: 0.9rem;
  min-height: 32px;
  border-radius: var(--border-radius-sm);
}

.field-info {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 2px;
  min-height: 16px;
}

.content-section-optimized {
  background: var(--background-light);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-sm);
  border: 1px solid var(--border-color);
  margin-top: var(--spacing-sm);
}

.content-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xs);
}

.content-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.content-title label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-main);
  margin: 0;
}

.content-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.content-textarea-optimized {
  min-height: 80px;
  resize: vertical;
  font-size: 0.9rem;
  line-height: 1.4;
}

.variables-hint-compact {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
  padding: var(--spacing-xs);
  background: var(--background-paper);
  border-radius: var(--border-radius-sm);
  border-left: 3px solid var(--info-main);
}

.task-footer-optimized {
  margin-top: var(--spacing-sm);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.task-preview-optimized {
  background: var(--success-light);
  border: 1px solid var(--success-main);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-sm);
}

.preview-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--success-dark);
  margin-bottom: var(--spacing-xs);
}

.preview-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--spacing-xs);
}

.preview-stat {
  font-size: 0.8rem;
  color: var(--success-dark);
}

.preview-stat strong {
  color: var(--text-primary);
}

.task-actions-optimized {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
}

/* 响应式调整 */
@media (max-width: 768px) {
  .form-fields-row {
    grid-template-columns: 1fr;
  }
  
  .content-header-row {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-xs);
  }
  
  .content-actions {
    justify-content: center;
  }
  
  .preview-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .task-actions-optimized {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .form-section-row {
    padding: var(--spacing-xs);
  }
  
  .preview-stats {
    grid-template-columns: 1fr;
  }
}

/* 草稿管理样式 */
.drafts-management-container {
  padding: 0;
}

.drafts-filters {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm);
  background: var(--background-light);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
}

.drafts-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

.drafts-table thead {
  background: var(--primary-main);
  color: var(--text-white);
}

.drafts-table th {
  padding: var(--spacing-sm);
  text-align: left;
  font-weight: 600;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--primary-200);
}

.drafts-table tbody tr {
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.2s ease;
}

.drafts-table tbody tr:hover {
  background: var(--background-light);
}

.drafts-table tbody tr:last-child {
  border-bottom: none;
}

.drafts-table td {
  padding: var(--spacing-sm);
  font-size: 0.9rem;
  vertical-align: top;
}

.draft-content-preview {
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-secondary);
}

.draft-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.draft-btn {
  padding: 4px 8px;
  font-size: 0.8rem;
  border-radius: var(--border-radius-sm);
  border: 1px solid;
  background: transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.draft-btn.btn-load {
  color: var(--primary-main);
  border-color: var(--primary-main);
}

.draft-btn.btn-load:hover {
  background: var(--primary-main);
  color: var(--text-white);
}

.draft-btn.btn-delete {
  color: var(--error-main);
  border-color: var(--error-main);
}

.draft-btn.btn-delete:hover {
  background: var(--error-main);
  color: var(--text-white);
}

.empty-drafts {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-secondary);
}

.empty-drafts h4 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

@media (max-width: 768px) {
  .drafts-filters {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: stretch;
  }
  
  .drafts-table {
    font-size: 0.8rem;
  }
  
  .drafts-table th,
  .drafts-table td {
    padding: var(--spacing-xs);
  }
  
  .draft-content-preview {
    max-width: 150px;
  }
}

/* 定时任务确认面板样式 */
.task-confirmation-panel.scheduled-task {
  border-left: 4px solid var(--info-main);
  background: linear-gradient(135deg, var(--info-light) 0%, #ffffff 100%);
}

.scheduled-info {
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}

.schedule-time,
.schedule-countdown {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
}

.schedule-time:not(:last-child) {
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 8px;
  padding-bottom: 8px;
}

.schedule-label,
.countdown-label {
  font-weight: 500;
  color: var(--text-secondary);
}

.schedule-value {
  font-weight: 600;
  color: var(--info-main);
  font-size: 1.1em;
}

.countdown-value {
  font-weight: 600;
  color: var(--warning-main);
  background: var(--warning-light);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.9em;
}

.status-scheduled {
  background: var(--info-light);
  color: var(--info-main);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.85em;
}

.btn-secondary {
  background: var(--text-secondary);
  color: white;
  border: 1px solid var(--text-secondary);
}

.btn-secondary:hover {
  background: var(--text-primary);
  border-color: var(--text-primary);
}

/* 优化的模板弹窗样式 */
.template-modal-optimized {
  max-width: 1000px;
  width: 95%;
  max-height: 85vh;
}

.template-modal-body {
  display: flex;
  gap: 24px;
  padding: 24px;
  min-height: 500px;
  /* 确保模态框布局稳定 */
  max-height: 600px;
  overflow: hidden;
  /* 防止子元素影响整体布局 */
  align-items: stretch;
}

.template-form-section {
  flex: 1;
  min-width: 0;
}

.template-preview-section {
  flex: 0 0 320px;
  display: flex;
  flex-direction: column;
  /* 确保预览区域固定尺寸 */
  min-width: 320px;
  max-width: 320px;
  width: 320px;
  /* 防止内容溢出影响布局 */
  overflow: hidden;
}

.template-form-group {
  margin-bottom: 20px;
}

.form-row-compact {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}

.form-field-half {
  flex: 1;
}

.form-field-full {
  width: 100%;
}

.form-field-half label,
.form-field-full label {
  display: block;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 6px;
  font-size: 14px;
}

.content-header-compact {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.template-content-textarea {
  resize: vertical;
  min-height: 100px;
}

.variables-label {
  display: block;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 12px;
  font-size: 14px;
}

.variables-grid-compact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
  gap: 8px;
  /* 确保网格稳定性 */
  width: 100%;
  box-sizing: border-box;
  /* 防止网格变形 */
  align-items: stretch;
  justify-items: stretch;
}

.variable-btn-compact {
  padding: 6px 10px;
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 12px;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
  /* 确保按钮保持可见性 */
  position: relative;
  z-index: 1;
  display: inline-block;
  min-width: 60px;
  white-space: nowrap;
  /* 防止文字换行 */
  overflow: hidden;
  text-overflow: ellipsis;
}

.variable-btn-compact:hover {
  background: var(--primary-main);
  color: white;
  border-color: var(--primary-main);
  /* 确保悬停时保持原有样式 */
  opacity: 1;
  visibility: visible;
  transform: none;
  /* 保持按钮稳定 */
  box-shadow: 0 2px 4px rgba(59, 130, 246, 0.2);
}

.variable-btn-compact:active {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(1px);
}

.variable-btn-compact:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}

.preview-header {
  padding: 12px 16px;
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
}

.preview-title {
  font-weight: 500;
  color: var(--text-primary);
  font-size: 14px;
}

.template-preview-box {
  flex: 1;
  padding: 16px;
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 0 0 8px 8px;
  /* 固定尺寸防止变形 */
  min-height: 200px;
  max-height: 300px;
  width: 100%;
  font-size: 14px;
  line-height: 1.5;
  /* 处理内容溢出 */
  overflow-y: auto;
  overflow-x: hidden;
  word-wrap: break-word;
  word-break: break-all;
  /* 确保框体稳定 */
  box-sizing: border-box;
  position: relative;
}

/* 预览框滚动条样式 */
.template-preview-box::-webkit-scrollbar {
  width: 6px;
}

.template-preview-box::-webkit-scrollbar-track {
  background: var(--bg-light);
  border-radius: 3px;
}

.template-preview-box::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

.template-preview-box::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

.preview-placeholder {
  color: var(--text-secondary);
  font-style: italic;
}

/* 模板管理弹窗优化样式 */
.template-management-optimized {
  max-width: 1200px;
  width: 95%;
  max-height: 85vh;
}

.templates-filters-optimized {
  margin-bottom: 20px;
  padding: 16px;
  background: var(--bg-light);
  border-radius: 8px;
}

.filter-row {
  display: flex;
  gap: 20px;
  align-items: end;
}

.filter-group-compact {
  flex: 1;
}

.filter-group-compact label {
  display: block;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 6px;
  font-size: 14px;
}

.filter-actions-compact {
  flex: 0 0 auto;
}

.table-container-optimized {
  max-height: 400px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

.templates-table-optimized {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.templates-table-optimized thead {
  background: var(--bg-light);
  position: sticky;
  top: 0;
  z-index: 1;
}

.templates-table-optimized th {
  padding: 12px 8px;
  text-align: left;
  font-weight: 500;
  color: var(--text-primary);
  border-bottom: 2px solid var(--border-color);
}

.templates-table-optimized td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--border-light);
  vertical-align: top;
}

.templates-table-optimized tbody tr:hover {
  background: var(--bg-hover);
}

/* 表格列宽度优化 */
.template-name-col { width: 18%; }
.template-category-col { width: 12%; }
.template-content-col { width: 30%; }
.template-usage-col { width: 10%; }
.template-type-col { width: 10%; }
.template-time-col { width: 15%; }
.template-actions-col { width: 15%; }

/* 筛选功能样式 */
.filter-stats-row {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-light);
}

.filter-stats {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stats-text {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* 搜索高亮样式 */
mark {
  background-color: #fff3cd;
  color: #856404;
  padding: 1px 2px;
  border-radius: 2px;
  font-weight: 500;
}

/* 筛选输入框样式优化 */
.filter-group-compact .form-control {
  transition: all 0.2s ease;
}

.filter-group-compact .form-control:focus {
  border-color: var(--primary-main);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

/* 清空筛选按钮样式 */
#clear-template-filters {
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

#clear-template-filters:hover {
  background: var(--error-light);
  border-color: var(--error-main);
  color: var(--error-main);
}

/* 筛选结果为空时的样式 */
.empty-cell {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary);
  font-style: italic;
}

/* 筛选加载状态 */
.loading-cell {
  text-align: center;
  padding: 20px;
}

.loading-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
}

.loading-indicator::before {
  content: '';
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-color);
  border-top: 2px solid var(--primary-main);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* 消息提示样式 */
.message-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 400px;
  width: 100%;
}

.message-toast {
  background: white;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border-left: 4px solid var(--info-main);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  opacity: 0;
}

.message-toast.show {
  transform: translateX(0);
  opacity: 1;
}

.message-toast.message-success {
  border-left-color: var(--success-main);
}

.message-toast.message-error {
  border-left-color: var(--error-main);
}

.message-toast.message-warning {
  border-left-color: var(--warning-main);
}

.message-toast.message-info {
  border-left-color: var(--info-main);
}

.message-content {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  gap: 12px;
}

.message-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.message-text {
  flex: 1;
  font-size: 14px;
  color: var(--text-primary);
  line-height: 1.4;
}

.message-close {
  background: none;
  border: none;
  font-size: 18px;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.2s ease;
}

.message-close:hover {
  background: var(--bg-light);
  color: var(--text-primary);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .template-modal-body {
    flex-direction: column;
    gap: 16px;
  }
  
  .template-preview-section {
    flex: none;
    min-height: 200px;
    /* 移动端预览区域调整 */
    min-width: 100%;
    max-width: 100%;
    width: 100%;
  }
  
  /* 移动端预览框调整 */
  .template-preview-box {
    max-height: 250px;
  }
  
  .form-row-compact {
    flex-direction: column;
    gap: 12px;
  }
  
  .variables-grid-compact {
    grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
    gap: 6px;
  }
  
  /* 移动端变量按钮优化 */
  .variable-btn-compact {
    font-size: 11px;
    padding: 5px 8px;
    min-width: 50px;
  }
  
  .filter-row {
    flex-direction: column;
    gap: 12px;
    align-items: stretch;
  }
  
  .template-management-optimized {
    width: 98%;
  }
  
  .templates-table-optimized {
    font-size: 12px;
  }
  
  .templates-table-optimized th,
  .templates-table-optimized td {
    padding: 8px 4px;
  }
  
  .filter-stats-row {
    margin-top: 8px;
    padding-top: 8px;
  }
  
  .stats-text {
    font-size: 13px;
  }
  
  /* 移动端消息提示样式 */
  .message-container {
    top: 10px;
    right: 10px;
    left: 10px;
    max-width: none;
  }
  
  .message-toast {
    transform: translateY(-100%);
  }
  
  .message-toast.show {
    transform: translateY(0);
  }
  
  .message-content {
    padding: 10px 12px;
    gap: 10px;
  }
  
  .message-text {
    font-size: 13px;
  }
}

/* 定时任务状态显示样式 */
.schedule-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-top: 1px solid var(--border-color);
  margin-top: 8px;
  padding-top: 12px;
}

.status-label {
  font-weight: 500;
  color: var(--text-secondary);
}

.status-value {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.status-indicator.status-scheduled {
  background: var(--info-main);
  box-shadow: 0 0 0 2px var(--info-light);
}

.status-indicator.status-sending {
  background: var(--warning-main);
  box-shadow: 0 0 0 2px var(--warning-light);
  animation: pulse 1.5s ease-in-out infinite;
}

.status-indicator.status-success {
  background: var(--success-main);
  box-shadow: 0 0 0 2px var(--success-light);
}

.status-indicator.status-error {
  background: var(--error-main);
  box-shadow: 0 0 0 2px var(--error-light);
}

.status-indicator.status-cancelled {
  background: var(--text-secondary);
  box-shadow: 0 0 0 2px rgba(128, 128, 128, 0.2);
}

/* 倒计时动画 */
.countdown-value {
  font-family: 'Courier New', monospace;
  color: var(--warning-main);
  font-weight: 600;
  background: var(--warning-light);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--warning-main);
}

/* 脉冲动画 */
@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.7;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* 定时任务确认面板增强样式 */
.task-confirmation-panel.scheduled-task {
  border-left: 4px solid var(--info-main);
  background: linear-gradient(135deg, var(--info-light) 0%, #ffffff 100%);
}

.task-confirmation-panel.scheduled-task .confirmation-header h4 {
  color: var(--info-main);
}

/* 任务特性列表样式 */
.task-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
  padding: 12px;
  background: var(--bg-light);
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.feature-item {
  display: flex;
  align-items: center;
  padding: 4px 8px;
  background: white;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  font-size: 12px;
}

.feature-text {
  color: var(--text-secondary);
  font-weight: 500;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .schedule-status {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  
  .task-features {
    flex-direction: column;
    gap: 6px;
  }
  
  .countdown-value {
    font-size: 14px;
  }
}

/* 定时任务列表样式（如果需要添加任务列表显示） */
.scheduled-tasks-list {
  margin-top: 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.scheduled-task-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  background: white;
}

.scheduled-task-item:last-child {
  border-bottom: none;
}

.scheduled-task-item:hover {
  background: var(--bg-light);
}

.task-item-info {
  flex: 1;
}

.task-item-title {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.task-item-details {
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  gap: 16px;
}

.task-item-actions {
  display: flex;
  gap: 8px;
}

.task-item-actions .btn {
  padding: 4px 8px;
  font-size: 12px;
}

/* ===== 失败短信审核界面样式 ===== */
#failed-sms-review-modal .modal-content {
  max-width: 1200px;
  width: 95vw;
}

.failed-sms-summary {
  background: var(--background-hover);
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
  border-left: 4px solid var(--warning-main);
}

.failed-sms-summary p {
  margin: 0.5rem 0;
  color: var(--text-primary);
}

.failed-sms-summary p:first-child {
  font-weight: 600;
  color: var(--primary-main);
}

.failed-sms-controls {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
  align-items: center;
}

.failed-sms-controls .btn {
  padding: 8px 16px;
  font-size: 0.875rem;
}

.failed-sms-controls .btn-primary {
  background: var(--success-main);
  border-color: var(--success-main);
}

.failed-sms-controls .btn-primary:hover {
  background: var(--success-dark);
  border-color: var(--success-dark);
}

.failed-sms-table-container {
  max-height: 60vh;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
}

.failed-sms-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0;
}

.failed-sms-table thead {
  background: var(--background-default);
  position: sticky;
  top: 0;
  z-index: 10;
}

.failed-sms-table th {
  padding: 12px 8px;
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.875rem;
}

.failed-sms-table tbody tr {
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-duration-short);
}

.failed-sms-table tbody tr:hover {
  background: var(--background-hover);
}

.failed-sms-table td {
  padding: 12px 8px;
  vertical-align: top;
  font-size: 0.875rem;
}

.failed-sms-table .checkbox-col {
  width: 40px;
  text-align: center;
}

.failed-sms-table .error-cell {
  color: var(--error-main);
  font-weight: 500;
  max-width: 200px;
  word-wrap: break-word;
}

.failed-sms-table .content-cell {
  max-width: 250px;
  word-wrap: break-word;
  color: var(--text-secondary);
  font-family: monospace;
  font-size: 0.8rem;
  line-height: 1.4;
}

.failed-sms-checkbox {
  transform: scale(1.1);
  margin: 0;
}

.failed-sms-table .btn {
  padding: 4px 8px;
  font-size: 0.75rem;
  margin: 0 2px;
}

.failed-sms-table .btn-xs {
  padding: 3px 6px;
  font-size: 0.7rem;
}

/* 已忽略的行样式 */
.failed-sms-table tbody tr[style*="opacity: 0.5"] {
  background: var(--background-default);
  color: var(--text-disabled);
}

.failed-sms-table tbody tr[style*="opacity: 0.5"]:hover {
  background: var(--background-default);
}

/* 响应式设计 */
@media (max-width: 1024px) {
  #failed-sms-review-modal .modal-content {
    width: 98vw;
    margin: 1vh auto;
  }
  
  .failed-sms-table .content-cell {
    max-width: 150px;
  }
  
  .failed-sms-controls {
    flex-direction: column;
    align-items: stretch;
  }
  
  .failed-sms-controls .btn {
    margin-bottom: 0.5rem;
  }
}

@media (max-width: 768px) {
  .failed-sms-table-container {
    max-height: 50vh;
  }
  
  .failed-sms-table th,
  .failed-sms-table td {
    padding: 8px 4px;
    font-size: 0.8rem;
  }
  
  .failed-sms-table .content-cell {
    max-width: 100px;
    font-size: 0.75rem;
  }
  
  .failed-sms-table .error-cell {
    max-width: 120px;
    font-size: 0.8rem;
  }
  
  .failed-sms-summary {
    padding: var(--spacing-xs);
  }
  
  .failed-sms-summary p {
    font-size: 0.875rem;
  }
}

@media (max-width: 480px) {
  #failed-sms-review-modal .modal-content {
    width: 100vw;
    height: 100vh;
    margin: 0;
    border-radius: 0;
  }
  
  .failed-sms-table th:nth-child(4),
  .failed-sms-table td:nth-child(4) {
    display: none; /* 隐藏失败原因列 */
  }
  
  .failed-sms-table .content-cell {
    max-width: 80px;
  }
  
  .failed-sms-controls .btn {
    font-size: 0.8rem;
    padding: 6px 12px;
  }
}

/* ========================================
   收件箱样式
   ======================================== */

/* 短信统计概览 */
.sms-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.sms-overview .overview-item {
  background: linear-gradient(135deg, var(--primary-main) 0%, var(--primary-light) 100%);
  color: var(--text-white);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  position: relative;
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.sms-overview .overview-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-3);
}

.sms-overview .overview-item .overview-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: var(--spacing-xs);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  line-height: 1;
}

.sms-overview .overview-item .overview-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0;
}

/* 短信统计卡片绿色背景样式 */
.sms-stat-card {
  background: linear-gradient(135deg, var(--primary-main) 0%, var(--primary-dark) 100%) !important;
  color: white !important;
  border: none !important;
  box-shadow: var(--shadow-2);
}

.sms-stat-card .overview-number {
  color: white !important;
  font-size: 2.5rem !important;
  font-weight: 700 !important;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.sms-stat-card .overview-label {
  color: rgba(255, 255, 255, 0.9) !important;
  font-weight: 500 !important;
  margin-top: var(--spacing-xs);
}

.sms-overview .overview-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-3);
}

.sms-stat-card:hover {
  box-shadow: 0 8px 32px rgba(73, 175, 139, 0.4) !important;
}

/* 短信管理区域 */
.sms-management-section {
  border-top: 1px solid var(--border-color);
  padding-top: var(--spacing-md);
  margin-top: var(--spacing-md);
}

/* 短信筛选器 */
.sms-filters {
  background: var(--background-default);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  margin-bottom: var(--spacing-md);
}

.sms-filters .filter-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.sms-filters .filter-row:last-child {
  margin-bottom: 0;
}

.sms-filters .filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.filter-search-group {
  grid-column: 1 / -1;
  max-width: 400px;
}

.sms-filters .filter-actions {
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-end;
  flex-wrap: wrap;
  justify-self: end;
}

/* 批量操作 */
.batch-operations {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--background-paper);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  margin-bottom: var(--spacing-md);
}

.selection-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.selected-count {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.batch-actions {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

/* 视图切换 */
.view-toggle {
  display: flex;
  gap: var(--spacing-xs);
  background: var(--background-default);
  padding: 4px;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
}

.view-toggle .btn {
  padding: 6px 12px;
  font-size: 0.875rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--border-radius-xs);
  transition: all var(--transition-duration-short);
}

.view-toggle .btn.active {
  background: var(--primary-main);
  color: white;
  box-shadow: var(--shadow-sm);
}

/* 短信表格 */
.sms-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.sms-table thead {
  background: var(--background-default);
}

.sms-table th {
  padding: var(--spacing-md) var(--spacing-sm);
  text-align: left;
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 2px solid var(--border-color);
  font-size: 0.875rem;
}

.sms-table td {
  padding: var(--spacing-sm);
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
  font-size: 0.875rem;
}

.sms-table tbody tr {
  transition: background-color var(--transition-duration-short);
}

.sms-table tbody tr:hover {
  background: var(--background-hover);
}

.sms-table tbody tr.unread {
  background: rgba(33, 150, 243, 0.05);
  border-left: 4px solid var(--primary-main);
}

.sms-table tbody tr.spam {
  background: rgba(244, 67, 54, 0.05);
  border-left: 4px solid var(--error-main);
}

/* 表格列宽度 */
.sms-table .checkbox-col { width: 40px; }
.sms-table .status-col { width: 60px; }
.sms-table .sender-col { width: 150px; }
.sms-table .device-col { width: 120px; }
.sms-table .sim-col { width: 80px; }
.sms-table .content-col { width: auto; min-width: 200px; }
.sms-table .time-col { width: 160px; }
.sms-table .actions-col { width: 120px; }

/* 发送方信息 */
.sender-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sender-number {
  font-weight: 500;
  color: var(--text-primary);
}

.sender-name {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* 内容预览 */
.content-preview {
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-primary);
  cursor: pointer;
}

.content-preview:hover {
  color: var(--primary-main);
}

/* 状态指示器 */
.status-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.status-indicator.status-unread {
  background: var(--primary-main);
}

.status-indicator.status-read {
  background: var(--text-disabled);
}

.status-indicator.status-spam {
  background: var(--error-main);
}

/* 操作按钮 */
.action-buttons {
  display: flex;
  gap: var(--spacing-xs);
  align-items: center;
}

.action-buttons .btn {
  padding: 4px 8px;
  font-size: 0.75rem;
}

/* 短信卡片视图 */
.sms-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
}

.sms-card {
  background: var(--background-paper);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  transition: all var(--transition-duration-short);
}

.sms-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
  border-color: var(--primary-main);
}

.sms-card.unread {
  background: rgba(33, 150, 243, 0.05);
  border-left: 4px solid var(--primary-main);
}

.sms-card.spam {
  background: rgba(244, 67, 54, 0.05);
  border-left: 4px solid var(--error-main);
}

.sms-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-sm);
}

.sms-card-sender {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.sender-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary-main);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
}

.sms-card-meta {
  text-align: right;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.sms-time {
  font-weight: 500;
}

.sms-card-content {
  margin-bottom: var(--spacing-sm);
}

.content-text {
  color: var(--text-primary);
  line-height: 1.5;
}

.sms-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--border-color);
}

.device-info {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.card-actions {
  display: flex;
  gap: var(--spacing-xs);
}

/* 分页控制 */
.pagination-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  background: var(--background-paper);
  border-top: 1px solid var(--border-color);
  border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
}

.pagination-info {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.page-numbers {
  display: flex;
  gap: var(--spacing-xs);
}

.page-number {
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  background: var(--background-paper);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-duration-short);
}

.page-number:hover {
  background: var(--background-hover);
  border-color: var(--primary-main);
}

.page-number.active {
  background: var(--primary-main);
  color: var(--text-white);
  border-color: var(--primary-main);
}

/* 短信详情相关样式 */
.sms-detail-container {
  max-width: 100%;
}

.sms-detail-section {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.sms-detail-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.sms-detail-section .section-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-xs);
  border-bottom: 2px solid var(--primary-main);
}

.detail-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.detail-item label {
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.detail-item span {
  color: var(--text-primary);
  font-weight: 500;
}

.status-badge {
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  display: inline-block;
}

.status-badge.status-unread {
  background: var(--primary-light);
  color: var(--primary-main);
}

.status-badge.status-read {
  background: var(--background-default);
  color: var(--text-secondary);
}

.status-badge.status-spam {
  background: var(--error-light);
  color: var(--error-main);
}

.sms-content-display {
  background: var(--background-default);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-md);
}

.content-text {
  color: var(--text-primary);
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.content-meta {
  display: flex;
  justify-content: space-between;
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--border-color);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.contact-info-display {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background: var(--background-default);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
}

.contact-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--primary-main);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1.25rem;
}

.avatar-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-details {
  flex: 1;
}

.contact-name {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.contact-phone,
.contact-group {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

/* 操作历史 */
.operation-history {
  background: var(--background-default);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
}

.operations-list {
  padding: var(--spacing-md);
}

.operation-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border-color);
}

.operation-item:last-child {
  border-bottom: none;
}

.operation-time {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.operation-desc {
  font-weight: 500;
  color: var(--text-primary);
}

.modal-actions-left,
.modal-actions-right {
  display: flex;
  gap: var(--spacing-sm);
}

.modal-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  border-top: 1px solid var(--border-color);
}

.reply-context,
.forward-context {
  background: var(--background-default);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  margin-bottom: var(--spacing-md);
}

.original-message,
.forward-message {
  background: var(--background-paper);
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  border-left: 4px solid var(--primary-main);
  margin-top: var(--spacing-sm);
  font-style: italic;
  color: var(--text-secondary);
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .sms-overview {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .sms-filters .filter-row {
    grid-template-columns: 1fr;
  }
  
  .sms-cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
  
  .detail-info-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .sms-overview {
    grid-template-columns: 1fr;
  }
  
  .sms-table .sender-col,
  .sms-table .device-col {
    display: none;
  }
  
  .sms-card-header {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .sms-card-footer {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: flex-start;
  }
  
  .batch-operations {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: stretch;
  }
  
  .modal-footer {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .modal-actions-left,
  .modal-actions-right {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .sms-table .content-col {
    min-width: 150px;
  }
  
  .content-preview {
    max-width: 150px;
  }
  
  .action-buttons {
    flex-direction: column;
    gap: 2px;
  }
  
  .action-buttons .btn {
    font-size: 0.7rem;
    padding: 2px 6px;
  }
  
  .view-toggle {
    width: 100%;
  }
  
  .sms-detail-container {
    padding: var(--spacing-sm);
  }
}


/* === Chat View Styles 20250629=== */

.chat-view-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--background-color);
  z-index: 1001;
  display: none;
  flex-direction: column;
  transition: all 0.3s ease-in-out;
}

.chat-view-container.visible {
  display: flex;
}

.chat-header {
  display: flex;
  align-items: center;
  padding: 15px 20px;
  background-color: var(--sidebar-bg-color);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.back-to-inbox-btn {
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 18px;
  cursor: pointer;
  margin-right: 15px;
  padding: 8px;
  border-radius: 4px;
  transition: background-color 0.2s;
}

.back-to-inbox-btn:hover {
  background-color: var(--secondary-bg-color);
}

#chat-contact-name {
  margin: 0;
  font-size: 1.2em;
  font-weight: 600;
  flex-grow: 1;
  color: var(--text-color);
}

.chat-header-actions {
  display: flex;
  gap: 10px;
}

.chat-messages {
  flex-grow: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  background-color: var(--background-color);
}

.message-bubble {
  max-width: 70%;
  padding: 12px 16px;
  border-radius: 18px;
  margin-bottom: 12px;
  position: relative;
  word-wrap: break-word;
  line-height: 1.4;
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.message-bubble.sent {
  background-color: var(--primary-color);
  color: white;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.message-bubble.received {
  background-color: var(--secondary-bg-color);
  color: var(--text-color);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
  border: 1px solid var(--border-color);
}

.message-meta {
  font-size: 0.75em;
  color: var(--text-color-light);
  margin-top: 6px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.message-bubble.sent .message-meta {
  color: rgba(255, 255, 255, 0.8);
}

.message-device-info {
  font-size: 0.7em;
  opacity: 0.8;
}

.chat-reply-form {
  display: flex;
  padding: 15px 20px;
  border-top: 1px solid var(--border-color);
  background-color: var(--sidebar-bg-color);
  flex-shrink: 0;
  gap: 10px;
  align-items: flex-end;
}

#chat-reply-content {
  flex-grow: 1;
  border-radius: 20px;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  background-color: var(--background-color);
  color: var(--text-color);
  resize: none;
  min-height: 20px;
  max-height: 120px;
  font-size: 0.95em;
  line-height: 1.4;
  transition: border-color 0.2s;
}

#chat-reply-content:focus {
  outline: none;
  border-color: var(--primary-color);
}

#chat-send-reply {
  flex-shrink: 0;
  border-radius: 20px;
  padding: 10px 20px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s;
}

#chat-send-reply:hover {
  background-color: #3d8b64;
}

#chat-send-reply:disabled {
  background-color: var(--text-color-light);
  cursor: not-allowed;
}

.chat-date-divider {
  text-align: center;
  margin: 20px 0;
  position: relative;
}

.chat-date-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--border-color);
}

.chat-date-text {
  background-color: var(--background-color);
  padding: 0 15px;
  font-size: 0.8em;
  color: var(--text-color-light);
  position: relative;
}

.chat-empty {
  flex-grow: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-color-light);
  font-size: 0.95em;
}

/* --- SMS List Styles --- */
.sms-list-container {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  background-color: var(--background-color);
}

.sms-list-header {
  display: flex;
  align-items: center;
  background-color: var(--sidebar-bg-color);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 0;
  font-weight: 600;
  font-size: 0.9em;
  color: var(--text-color);
}

.list-header-item {
  padding: 0 12px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.list-header-item.sortable {
  cursor: pointer;
  user-select: none;
  transition: background-color 0.2s;
}

.list-header-item.sortable:hover {
  background-color: var(--secondary-bg-color);
}

.list-checkbox { flex: 0 0 50px; justify-content: center; }
.list-sender { flex: 0 0 120px; }
.list-device { flex: 0 0 100px; }
.list-sim { flex: 0 0 60px; justify-content: center; }
.list-content { flex: 1; min-width: 200px; }
.list-time { flex: 0 0 160px; justify-content: flex-start; }
.list-actions { flex: 0 0 300px; justify-content: flex-start; }

.sms-list-body {
  min-height: calc(60px * 10);  /* 每条记录60px高度，10条记录 */
  max-height: calc(60px * 10);  /* 防止超过10条时出现滚动 */
  overflow: visible;
}

.sms-list-item {
  display: flex;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.2s;
  height: 60px;  /* 固定高度，确保精确显示10条记录 */
}

.sms-list-item:hover {
  background-color: var(--secondary-bg-color);
}

.sms-list-item.unread {
  background-color: rgba(73, 175, 139, 0.05);
  border-left: 3px solid var(--primary-color);
  font-weight: bold;
}

.sms-list-item.selected {
  background-color: rgba(73, 175, 139, 0.1);
}

.list-item-cell {
  padding: 0 12px;
  display: flex;
  align-items: center;
  word-wrap: break-word;
  overflow: hidden;
  min-height: 36px;
}

.list-item-checkbox { flex: 0 0 50px; justify-content: center; }
.list-item-sender { flex: 0 0 120px; }
.list-item-device { flex: 0 0 100px; }
.list-item-sim { flex: 0 0 60px; justify-content: center; }
.list-item-content { flex: 1; min-width: 200px; }
.list-item-time { flex: 0 0 160px; justify-content: flex-start; }
.list-item-actions { flex: 0 0 300px; justify-content: flex-start; }

.sms-status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.sms-status-indicator.unread {
  background-color: var(--primary-color);
}

.sms-status-indicator.read {
  background-color: var(--text-color-light);
}

.sms-status-indicator.spam {
  background-color: #f44336;
}

.sms-content-preview {
  font-size: 0.9em;
  color: var(--text-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.sms-sender-info {
  font-weight: 500;
  color: var(--text-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sms-device-info {
  font-size: 0.85em;
  color: var(--text-color-light);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sms-sim-badge {
  font-size: 0.85em;
  color: var(--text-color-light);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sms-time-info {
  font-size: 0.85em;
  color: var(--text-color-light);
  white-space: nowrap;
  text-align: left;
  width: 100%;
}

.sms-actions-group {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: nowrap;
  height: 36px;
  min-height: 36px;
}

.sms-action-btn {
  padding: 6px 10px;
  font-size: 0.8em;
  border: 1px solid var(--border-color);
  background-color: var(--background-color);
  color: var(--text-color);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  font-weight: 500;
  min-width: 55px;
  height: 28px;
  flex-shrink: 0;
}

.sms-action-btn:hover {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(73, 175, 139, 0.2);
}

.sms-action-btn.primary {
  background-color: #3d8b64;
  color: white;
  border-color: #3d8b64;
}

.sms-action-btn.primary:hover {
  background-color: #3d8b64;
  border-color: #3d8b64;
}

.sms-action-btn.secondary {
  background-color: #6c757d;
  color: white;
  border-color: #6c757d;
}

.sms-action-btn.secondary:hover {
  background-color: #5a6268;
  border-color: #5a6268;
}

.sms-action-btn.warning {
  background-color: #ff9800;
  color: white;
  border-color: #ff9800;
}

.sms-action-btn.warning:hover {
  background-color: #f57c00;
  border-color: #f57c00;
}

.sms-action-btn.danger {
  background-color: #f44336;
  color: white;
  border-color: #f44336;
}

.sms-action-btn.danger:hover {
  background-color: #d32f2f;
  border-color: #d32f2f;
}

.sms-list-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: calc(60px * 10);  /* 保持与列表相同的高度 */
  text-align: center;
  padding: 40px 20px;
  color: var(--text-color-light);
  font-size: 0.95em;
}

/* 筛选栏水平布局 */
.filter-row-horizontal {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  padding: 10px 0;
}

.filter-row-horizontal .filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.filter-row-horizontal .filter-group label {
  margin: 0;
  white-space: nowrap;
  font-size: 0.9em;
  font-weight: 500;
}

.filter-row-horizontal .filter-group .form-control {
  min-width: 120px;
}

.filter-row-horizontal .filter-search-group .form-control {
  min-width: 200px;
}

.filter-row-horizontal .filter-actions {
  margin-left: auto;
}

@media (max-width: 1200px) {
  .list-device, .list-item-device { display: none; }
  .list-sim, .list-item-sim { display: none; }
  .list-actions, .list-item-actions { flex: 0 0 240px; }
  .list-time, .list-item-time { flex: 0 0 140px; }
  .filter-row-horizontal { gap: 15px; }
  .filter-row-horizontal .filter-group .form-control { min-width: 100px; }
}

@media (max-width: 768px) {
  .list-time, .list-item-time { flex: 0 0 120px; }
  .list-sender, .list-item-sender { flex: 0 0 100px; }
  .list-actions, .list-item-actions { flex: 0 0 180px; }
  .sms-actions-group { 
    flex-wrap: wrap; 
    gap: 2px; 
    height: auto;
    min-height: 30px;
  }
  .sms-action-btn { 
    font-size: 0.7em; 
    padding: 3px 6px; 
    min-width: 45px;
    height: 24px;
  }
  .filter-row-horizontal { 
    flex-direction: column; 
    align-items: stretch; 
    gap: 10px; 
  }
  .filter-row-horizontal .filter-group { 
    justify-content: space-between; 
  }
  .filter-row-horizontal .filter-actions {
    margin-left: 0; 
    align-self: center; 
  }
}

/* === 短信详情模态框样式 === */
.sms-detail-modal {
  max-width: 800px;
  width: 90%;
  max-height: 90vh;
}

/* 确保模态框正确显示 */
#sms-detail-modal {
  z-index: 1301; /* 比默认模态框高一层 */
}

#sms-detail-modal .modal-content {
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.sms-detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  background: linear-gradient(135deg, var(--primary-color) 0%, #3d8b64 100%);
  color: rgb(14, 14, 14);
  min-height: 80px; /* 确保头部有足够高度 */
}

.contact-info-header {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1; /* 占据剩余空间 */
}

.contact-avatar-large {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: rgba(47, 47, 47, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: bold;
  color: white;
  flex-shrink: 0; /* 防止头像被压缩 */
}

.contact-header-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.contact-header-info h3 {
  margin: 0;
  font-size: 1.4em;
  font-weight: 600;
  line-height: 1.2;
}

.contact-phone-large {
  margin: 0;
  opacity: 0.9;
  font-size: 0.95em;
  line-height: 1.2;
}

.sms-detail-header .modal-close {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: #696867;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0; /* 防止关闭按钮被压缩 */
  z-index: 10; /* 确保在最上层 */
}

.sms-detail-header .modal-close:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

.sms-detail-body {
  padding: 24px;
  max-height: 60vh;
  overflow-y: auto;
}

.sms-content-main {
  margin-bottom: 24px;
}

.message-bubble-large {
  background-color: var(--secondary-bg-color);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 20px;
  position: relative;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.message-content-large {
  font-size: 1.1em;
  line-height: 1.6;
  color: var(--text-color);
  margin-bottom: 12px;
  word-wrap: break-word;
}

.message-meta-large {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85em;
  color: var(--text-color-light);
  border-top: 1px solid var(--border-color);
  padding-top: 12px;
}

.sms-detail-info {
  background-color: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
}

.detail-info-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.detail-info-row:last-child {
  margin-bottom: 0;
}

.detail-info-item {
  display: flex;
  flex-direction: row; /* 改为水平排列 */
  align-items: center; /* 垂直居中对齐 */
  justify-content: space-between; /* 两端对齐 */
  gap: 12px;
  padding: 8px 12px;
  background-color: var(--secondary-bg-color);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.detail-label {
  font-size: 0.85em;
  color: var(--text-color-light);
  font-weight: 500;
  flex-shrink: 0; /* 防止标签被压缩 */
  min-width: 60px;
}

.detail-value {
  font-size: 0.95em;
  color: var(--text-color);
  font-weight: 600;
  text-align: right; /* 右对齐 */
  flex: 1; /* 占据剩余空间 */
}

/* 状态指示器特殊样式 */
.detail-value.status-indicator {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

.detail-value.status-indicator::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--primary-color);
  display: inline-block;
}

.detail-value.status-indicator.unread::before {
  background-color: var(--primary-color);
}

.detail-value.status-indicator.read::before {
  background-color: #6c757d;
}

.detail-value.status-indicator.spam::before {
  background-color: #f44336;
}

/* === 短信详情模态框内容区域样式 === */
.message-content-section {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.message-header-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  padding: 16px;
  background-color: var(--secondary-bg-color);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.message-meta-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
}

.meta-label {
  font-size: 0.85em;
  color: var(--text-color-light);
  font-weight: 500;
  flex-shrink: 0;
}

.meta-value {
  font-size: 0.9em;
  color: var(--text-color);
  font-weight: 600;
  text-align: right;
}

.message-content-area {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.content-label {
  font-size: 0.9em;
  color: var(--text-color-light);
  font-weight: 500;
  margin-bottom: 8px;
}

/* === 短信详情模态框底部按钮样式 === */
.sms-detail-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-top: 1px solid var(--border-color);
  background-color: var(--sidebar-bg-color);
  flex-wrap: wrap;
  gap: 16px;
}

.action-group-left,
.action-group-right {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-action {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid var(--border-color);
  background-color: var(--background-color);
  color: var(--text-color);
  border-radius: 6px;
  font-size: 0.9em;
  font-weight: 500;
  transition: all 0.2s ease;
  cursor: pointer;
  text-decoration: none;
  min-width: 100px;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-action:hover {
  background-color: var(--secondary-bg-color);
  border-color: var(--primary-color);
  transform: translateY(-1px);
  box-shadow: 0 3px 6px rgba(0,0,0,0.1);
}

.btn-action:active {
  transform: translateY(0);
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* 按钮状态样式 */
.btn-action.btn-status {
  border-color: var(--primary-color);
  color: var(--primary-color);
  background-color: rgba(73, 175, 139, 0.1);
}

.btn-action.btn-status:hover {
  background-color: var(--primary-color);
  color: white;
  box-shadow: 0 3px 8px rgba(73, 175, 139, 0.3);
}

.btn-action.btn-warning {
  border-color: #ff9800;
  color: #ff9800;
  background-color: rgba(255, 152, 0, 0.1);
}

.btn-action.btn-warning:hover {
  background-color: #ff9800;
  color: white;
  box-shadow: 0 3px 8px rgba(255, 152, 0, 0.3);
}

.btn-action.btn-secondary {
  border-color: #6c757d;
  color: #6c757d;
  background-color: rgba(108, 117, 125, 0.1);
}

.btn-action.btn-secondary:hover {
  background-color: #6c757d;
  color: white;
  box-shadow: 0 3px 8px rgba(108, 117, 125, 0.3);
}

.btn-primary {
  background-color: #52ba86;
  color: white;
  border-color: #52ba86;
}

.btn-primary:hover {
  background-color: #3d8b64;
  border-color: #3d8b64;
  box-shadow: 0 2px 6px rgba(73, 175, 139, 0.3);
}

.btn-secondary {
  background-color: #6c757d;
  color: white;
  border-color: #6c757d;
}

.btn-secondary:hover {
  background-color: #5a6268;
  border-color: #5a6268;
  box-shadow: 0 2px 6px rgba(108, 117, 125, 0.3);
}

.btn-danger {
  background-color: #f44336;
  color: white;
  border-color: #f44336;
}

.btn-danger:hover {
  background-color: #d32f2f;
  border-color: #d32f2f;
  box-shadow: 0 2px 6px rgba(244, 67, 54, 0.3);
}

.btn-icon {
  font-size: 1em;
  font-weight: normal;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-text {
  font-weight: 500;
  font-size: 0.9em;
}

.btn-danger {
  background-color: #f44336;
  color: white;
  border-color: #f44336;
}

.btn-danger:hover {
  background-color: #d32f2f;
}

.btn-icon {
  font-size: 0.9em;
  font-weight: normal;
}

.btn-text {
  font-weight: 500;
}

/* === 聊天视图优化样式 === */
.chat-header {
  display: flex;
  align-items: center;
  padding: 16px 20px;
  background: linear-gradient(135deg, var(--primary-color) 0%, #3d8b64 100%);
  border-bottom: 1px solid var(--border-color);
  color: white;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.back-to-inbox-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  padding: 10px 18px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-right: 20px;
  font-size: 0.9em;
  font-weight: 500;
}

.back-to-inbox-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateX(-2px);
}

.chat-contact-info {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-grow: 1;
}

.chat-contact-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: bold;
}

.chat-contact-details h3 {
  margin: 0;
  font-size: 1.1em;
  font-weight: 600;
}

.chat-contact-status {
  margin: 2px 0 0 0;
  font-size: 0.8em;
  opacity: 0.8;
}

.chat-header-actions {
  display: flex;
  gap: 10px;
}

.chat-action-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  padding: 8px 14px;
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.85em;
  font-weight: 500;
}

.chat-action-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

.chat-action-btn.chat-danger:hover {
  background: rgba(244, 67, 54, 0.8);
}

.action-icon {
  font-size: 1em;
  font-weight: bold;
}

.action-text {
  font-size: 0.85em;
}

.chat-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-color-light);
  text-align: center;
}

.empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.chat-reply-form {
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
  background-color: var(--sidebar-bg-color);
}

.reply-input-container {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  margin-bottom: 12px;
}

.reply-input-container textarea {
  flex-grow: 1;
  border-radius: 20px;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  background-color: var(--background-color);
  resize: none;
  min-height: 40px;
  max-height: 120px;
  transition: border-color 0.2s;
}

.reply-input-container textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.input-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.char-counter {
  font-size: 0.75em;
  color: var(--text-color-light);
}

.send-btn {
  min-width: 70px;
  height: 40px;
  border-radius: 20px;
  background-color: var(--primary-color);
  border: none;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.9em;
  font-weight: 500;
  padding: 0 16px;
}

.send-btn:hover:not(:disabled) {
  background-color: #3d8b64;
  transform: translateY(-1px);
  box-shadow: 0 3px 6px rgba(73, 175, 139, 0.3);
}

.send-btn:disabled {
  background-color: var(--text-color-light);
  cursor: not-allowed;
  transform: none;
  opacity: 0.6;
}

.reply-options {
  display: flex;
  gap: 16px;
  align-items: center;
}

.device-selector,
.sim-selector {
  display: flex;
  align-items: center;
  gap: 8px;
}

.device-selector label,
.sim-selector label {
  font-size: 0.85em;
  color: var(--text-color-light);
  margin: 0;
}

.form-control.compact {
  padding: 4px 8px;
  font-size: 0.85em;
  min-width: 100px;
}

/* === 回复模态框样式 === */
.reply-modal {
  max-width: 700px;
  width: 90%;
}

.reply-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, #3d8b64 100%);
  color: rgb(47, 44, 44);
  padding: 20px 24px;
  border-bottom: none;
}

.reply-header-info h3 {
  margin: 0;
  font-size: 1.3em;
}

.reply-to-info {
  margin: 4px 0 0 0;
  opacity: 0.9;
  font-size: 0.9em;
}

.reply-header .modal-close {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: rgb(14, 14, 14);;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 18px;
}

.reply-body {
  padding: 24px;
}

.original-message-container {
  margin-bottom: 24px;
  padding: 16px;
  background-color: var(--secondary-bg-color);
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.original-message-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.original-label {
  font-size: 0.9em;
  color: var(--text-color-light);
  font-weight: 500;
}

.original-time {
  font-size: 0.8em;
  color: var(--text-color-light);
}

.original-message-bubble {
  background-color: var(--background-color);
  border-radius: 8px;
  padding: 12px 16px;
  border-left: 3px solid var(--primary-color);
}

.original-message-bubble .message-content {
  color: var(--text-color);
  line-height: 1.5;
}

.reply-form-container .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group.half-width {
  margin-bottom: 0;
}

.reply-input-wrapper {
  position: relative;
}

.reply-textarea {
  width: 100%;
  min-height: 100px;
  resize: vertical;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--background-color);
  transition: border-color 0.2s;
}

.reply-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(73, 175, 139, 0.1);
}

.reply-input-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
  font-size: 0.8em;
}

.char-count {
  color: var(--text-color-light);
}

.input-tips {
  color: var(--text-color-light);
  font-style: italic;
}

.reply-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-top: 1px solid var(--border-color);
  background-color: var(--sidebar-bg-color);
}

.footer-left,
.footer-right {
  display: flex;
  gap: 12px;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .sms-detail-modal,
  .reply-modal {
    width: 95%;
    margin: 10px auto;
    max-height: 95vh;
  }

  .sms-detail-header {
    padding: 16px 20px;
    min-height: 70px;
    flex-wrap: wrap;
  }

  .contact-info-header {
    gap: 12px;
    flex: 1;
  }

  .contact-avatar-large {
    width: 50px;
    height: 50px;
    font-size: 20px;
  }

  .contact-header-info h3 {
    font-size: 1.2em;
  }

  .contact-phone-large {
    font-size: 0.9em;
  }

  .sms-detail-header .modal-close {
    width: 36px;
    height: 36px;
    font-size: 20px;
  }

  .sms-detail-body {
    padding: 16px;
  }

  .message-header-info {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .message-meta-item {
    padding: 6px 0;
  }

  .meta-label {
    font-size: 0.8em;
  }

  .meta-value {
    font-size: 0.85em;
  }

  .sms-detail-footer {
    flex-direction: column;
    padding: 16px 20px;
    gap: 16px;
  }

  .action-group-left,
  .action-group-right {
    width: 100%;
    justify-content: center;
    gap: 8px;
  }

  .btn-action {
    flex: 1;
    min-width: 80px;
    padding: 10px 12px;
    font-size: 0.85em;
  }

  .btn-text {
    font-size: 0.8em;
  }

  .reply-form-container .form-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .chat-header {
    padding: 12px 16px;
  }

  .chat-contact-info {
    gap: 8px;
  }

  .chat-contact-avatar {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }

  .chat-header-actions {
    gap: 8px;
  }

  .chat-action-btn {
    padding: 6px 10px;
    font-size: 0.8em;
  }

  .action-text {
    display: none; /* 在小屏幕上隐藏文字，只显示图标 */
  }

  .reply-options {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  /* 列表操作按钮响应式 */
  .sms-actions-group {
    flex-wrap: wrap;
    gap: 2px;
    height: auto;
    min-height: 24px;
  }

  .sms-action-btn {
    padding: 2px 6px;
    font-size: 0.7em;
    min-width: 40px;
    height: 22px;
  }
}

/* 超小屏幕适配 */
@media (max-width: 480px) {
  .sms-detail-modal {
    width: 98%;
    margin: 5px auto;
  }

  .sms-detail-header {
    padding: 12px 16px;
    min-height: 60px;
  }

  .contact-avatar-large {
    width: 40px;
    height: 40px;
    font-size: 16px;
  }

  .contact-header-info h3 {
    font-size: 1.1em;
  }

  .sms-detail-body {
    padding: 12px;
  }

  .message-bubble-large {
    padding: 16px;
  }

  .btn-action {
    padding: 10px 6px;
    font-size: 0.8em;
    min-width: 60px;
  }

  .btn-icon {
    font-size: 0.9em;
  }

  .btn-text {
    font-size: 0.75em;
  }
}

/* === 收件箱页面按钮优化样式 === */
.card-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.card-actions .btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 0.9em;
  font-weight: 500;
  transition: all 0.2s ease;
  border-radius: 6px;
}

.card-actions .btn .btn-icon {
  font-size: 1em;
  font-weight: normal;
}

.card-actions .btn .btn-text {
  font-size: 0.9em;
}

.card-actions .btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* 批量操作按钮样式 */
.batch-actions .btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  font-size: 0.85em;
  font-weight: 500;
  transition: all 0.2s ease;
}

.batch-actions .btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* --- 收件箱列表操作按钮优化 --- */
.list-item-actions {
    flex-shrink: 0;
}

.sms-actions-group {
    justify-content: flex-start;
}

/* === 短信详情页面新样式 === */

/* 短信详情信息区域 */
.sms-detail-info-section {
  margin-bottom: 20px;
}

.detail-info-list {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 0;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  overflow: hidden;
}

.detail-info-item {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 14px 20px;
  border-bottom: 1px solid #f3f4f6;
  transition: background-color 0.15s ease;
  min-height: 50px;
}

.detail-info-item:last-child {
  border-bottom: none;
}

.detail-info-item:hover {
  background-color: #f9fafb;
}

.detail-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: #6b7280;
  width: 90px;
  flex-shrink: 0;
  text-align: left;
  line-height: 1.2;
}

.detail-value {
  font-size: 0.9rem;
  font-weight: 400;
  color: #111827;
  text-align: left;
  flex: 1;
  margin-left: 20px;
  line-height: 1.2;
}

/* 状态指示器特殊样式 */
.detail-value.status-indicator {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  line-height: 1.2;
  height: auto;
}

.detail-value.status-indicator::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #d1d5db;
  display: block;
  flex-shrink: 0;
  margin-top: 0;
  margin-bottom: 0;
}

.detail-value.status-indicator.unread::before {
  background-color: #10b981;
}

.detail-value.status-indicator.read::before {
  background-color: #6b7280;
}

.detail-value.status-indicator.spam::before {
  background-color: #ef4444;
}

/* 短信内容区域 */
.sms-content-section {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.content-header {
  background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
  color: white;
  padding: 12px 20px;
  border-bottom: 1px solid #e5e7eb;
}

.content-title {
  font-size: 0.875rem;
  font-weight: 500;
  margin: 0;
  line-height: 1.2;
}

.content-display {
  padding: 20px;
}

.message-bubble-display {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 16px;
  position: relative;
}

.message-bubble-display::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 16px;
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 6px solid #e5e7eb;
}

.message-bubble-display::after {
  content: '';
  position: absolute;
  top: 0;
  left: 17px;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 5px solid #f9fafb;
}

.message-text {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.9rem;
  line-height: 1.5;
  color: #111827;
  margin: 0;
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .detail-info-item {
    padding: 12px 16px;
    min-height: 44px;
  }
  
  .detail-label {
    width: 80px;
    font-size: 0.8rem;
  }
  
  .detail-value {
    font-size: 0.85rem;
    margin-left: 16px;
  }
  
  .sms-detail-info-section,
  .sms-content-section {
    margin-bottom: 16px;
  }
  
  .content-display {
    padding: 16px;
  }
  
  .message-bubble-display {
    padding: 14px;
  }
}

@media (max-width: 480px) {
  .detail-info-item {
    padding: 10px 12px;
    min-height: 40px;
  }
  
  .detail-label {
    width: 70px;
    font-size: 0.75rem;
  }
  
  .detail-value {
    font-size: 0.8rem;
    margin-left: 12px;
  }
  
  .content-display {
    padding: 12px;
  }
  
  .message-bubble-display {
    padding: 12px;
  }
}
/*===短信详情页面样式===*/
.sms-meta-details {
  padding-bottom: 10px;
  margin-bottom: 15px;
  border-bottom: 1px solid var(--border-color, #e0e0e0);
}
.meta-row {
  display: flex;
  align-items: baseline;
  margin-bottom: 6px;
  font-size: 14px;
}
.meta-label {
  font-weight: 600;
  margin-right: 8px;
  color: var(--text-color-primary, #333);
  width: 75px;
}
.meta-value {
  color: var(--text-color-secondary, #555);
  word-break: break-all;
}
#detail-sms-status {
  word-break: keep-all; /* Prevents breaking of words like '已读' */
}

/* ===== 批量导入联系人样式 ===== */

/* 导入模态框 */
.import-contacts-modal {
  z-index: var(--z-index-modal);
}

.import-contacts-modal .modal-content {
  max-width: 900px;
  width: 90vw;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.import-contacts-modal .modal-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
}

/* 文件上传区域 */
.file-upload-area {
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  text-align: center;
  background: var(--background-hover);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
}

.file-upload-area:hover {
  border-color: var(--primary-main);
  background: var(--primary-50);
}

.file-upload-area .form-control {
  border: none;
  background: transparent;
  cursor: pointer;
}

.file-upload-area .form-help {
  margin-top: var(--spacing-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.download-link {
  color: var(--primary-main);
  text-decoration: none;
  font-weight: 500;
}

.download-link:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* 导入设置区域 */
.form-section {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-1);
}

.form-section:last-child {
  margin-bottom: 0;
}

.section-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--primary-100);
}

.form-row {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.form-row .form-group {
  flex: 1;
}

/* 复选框样式 */
.checkbox-group {
  margin: var(--spacing-sm) 0;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.5;
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
}

.checkbox-label:hover {
  background: var(--background-hover);
}

.checkbox-label input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  position: relative;
  background: var(--background-paper);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  flex-shrink: 0;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
  background: var(--primary-main);
  border-color: var(--primary-main);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 14px;
  font-weight: bold;
}

.checkbox-text {
  flex: 1;
  font-size: 0.95rem;
  line-height: 1.4;
}

.checkbox-group .form-help {
  margin-top: var(--spacing-xs);
  margin-left: 32px; /* 对齐复选框文本 */
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.3;
}

/* 数据预览区域 */
.import-preview-container {
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

.preview-summary {
  padding: var(--spacing-md);
  background: var(--primary-50);
  border-bottom: 1px solid var(--border-color);
}

.preview-summary p {
  margin: 0;
  color: var(--text-primary);
  font-weight: 500;
}

.preview-summary small {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.preview-table-container {
  max-height: 400px;
  overflow-y: auto;
  border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
}

.preview-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.preview-table thead {
  background: var(--background-default);
  position: sticky;
  top: 0;
  z-index: 10;
}

.preview-table th {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 2px solid var(--border-color);
  white-space: nowrap;
}

.preview-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preview-table tbody tr:hover {
  background: var(--background-hover);
}

.preview-table tbody tr:last-child td {
  border-bottom: none;
}

/* 加载状态 */
.loading-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  border-top-color: var(--primary-main);
  animation: spin 1s linear infinite;
  margin-right: var(--spacing-sm);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* 确认导入按钮状态 */
#confirm-import-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

#confirm-import-btn:not(:disabled) {
  background: var(--primary-main);
  color: white;
  border: none;
}

#confirm-import-btn:not(:disabled):hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .import-contacts-modal .modal-content {
    width: 95vw;
    max-height: 95vh;
  }
  
  .import-contacts-modal .modal-body {
    padding: var(--spacing-md);
  }
  
  .form-row {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .preview-table-container {
    max-height: 300px;
  }
  
  .preview-table {
    font-size: 0.8rem;
  }
  
  .preview-table th,
  .preview-table td {
    padding: var(--spacing-xs) var(--spacing-sm);
    max-width: 120px;
  }
  
  .section-title {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .import-contacts-modal .modal-content {
    width: 100vw;
    height: 100vh;
    max-height: 100vh;
    border-radius: 0;
  }
  
  .file-upload-area {
    padding: var(--spacing-md);
  }
  
  .form-section {
    padding: var(--spacing-md);
  }
  
  .preview-table th,
  .preview-table td {
    padding: var(--spacing-xs);
    font-size: 0.75rem;
    max-width: 100px;
  }
}

/* 导入状态消息 */
.import-status-message {
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
  font-weight: 500;
}

.import-status-message.success {
  background: var(--success-light);
  color: var(--success-dark);
  border: 1px solid var(--success-main);
}

.import-status-message.warning {
  background: var(--warning-light);
  color: var(--warning-dark);
  border: 1px solid var(--warning-main);
}

.import-status-message.error {
  background: var(--error-light);
  color: var(--error-dark);
  border: 1px solid var(--error-main);
}

/* 批量导入按钮激活状态 */
#import-contacts-btn {
  position: relative;
  overflow: hidden;
}

#import-contacts-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-duration-standard) var(--transition-easing-standard);
}

#import-contacts-btn:hover::before {
  left: 100%;
}

/* 文件拖拽样式 */
.file-upload-area.drag-over {
  border-color: var(--primary-main);
  background: var(--primary-100);
  transform: scale(1.02);
}

.file-upload-area.drag-over::after {
  content: '松开以选择文件';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--primary-main);
  font-weight: 600;
  font-size: 1.1rem;
}

/* ===== 自动化规则样式 ===== */

/* 自动化统计区域 */
.automation-stats {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-1);
}

.stat-item {
  flex: 1;
  text-align: center;
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  background: var(--background-hover);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
}

.stat-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-main);
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* 规则列表容器 */
.rules-container {
  margin-top: var(--spacing-lg);
}

.rules-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--text-secondary);
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
}

.empty-state h3 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.empty-state p {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* 规则卡片 */
.rule-card {
  background: var(--background-paper);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-2);
  padding: var(--spacing-md);
  border-left: 4px solid var(--primary-main);
  transition: all var(--transition-duration-standard) var(--transition-easing-standard);
  position: relative;
  overflow: hidden;
}

.rule-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-3);
}

.rule-card.disabled {
  border-left-color: var(--text-disabled);
  opacity: 0.7;
}

.rule-card.disabled:hover {
  transform: none;
  box-shadow: var(--shadow-2);
}

/* 规则卡片头部 */
.rule-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

.rule-title {
  flex: 1;
}

.rule-title h3 {
  margin: 0 0 var(--spacing-xs) 0;
  color: var(--text-primary);
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.4;
}

.rule-status {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 4px var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.rule-status.enabled {
  background: var(--success-light);
  color: var(--success-dark);
}

.rule-status.disabled {
  background: var(--warning-light);
  color: var(--warning-dark);
}

.status-icon {
  font-size: 0.875rem;
}

/* 规则操作按钮 */
.rule-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.rule-actions .switch-container {
  margin: 0;
}

.rule-actions .btn {
  padding: 6px var(--spacing-sm);
  font-size: 0.75rem;
  min-height: auto;
}

/* 规则内容区域 */
.rule-body {
  margin-bottom: var(--spacing-md);
}

.rule-conditions,
.rule-reply {
  margin-bottom: var(--spacing-md);
}

.rule-conditions h4,
.rule-reply h4 {
  margin: 0 0 var(--spacing-sm) 0;
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.conditions-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.condition-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px var(--spacing-sm);
  background: var(--primary-50);
  color: var(--primary-dark);
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid var(--primary-200);
}

.reply-preview {
  background: var(--background-hover);
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  border-left: 3px solid var(--info-main);
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-primary);
  max-height: 100px;
  overflow-y: auto;
  white-space: pre-wrap;
}

/* 规则底部信息 */
.rule-footer {
  border-top: 1px solid var(--border-color);
  padding-top: var(--spacing-sm);
}

.rule-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.created-time,
.updated-time {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* 自动化模态框特定样式 */
.modal-content.large {
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
}

/* 表单区域 */
.form-section {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.form-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.section-title {
  margin: 0 0 var(--spacing-md) 0;
  color: var(--text-primary);
  font-size: 1.125rem;
  font-weight: 600;
  position: relative;
  padding-left: var(--spacing-md);
}

.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 20px;
  background: var(--primary-main);
  border-radius: 2px;
}

/* 开关组件样式增强 */
.switch-container {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin: var(--spacing-sm) 0;
}

.switch {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--text-disabled);
  transition: var(--transition-duration-standard);
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: var(--transition-duration-standard);
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

input:checked + .slider {
  background-color: var(--primary-main);
}

input:checked + .slider:before {
  transform: translateX(24px);
}

.switch-label {
  font-size: 0.875rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* 时间条件特定样式 */
.time-conditions {
  background: var(--background-hover);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
}

.time-range-inputs,
.date-range-inputs {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--background-paper);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
}

/* 星期选择器 */
.weekday-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px var(--spacing-sm);
  background: var(--background-paper);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-duration-standard);
  font-size: 0.875rem;
  user-select: none;
}

.checkbox-item:hover {
  background: var(--primary-50);
  border-color: var(--primary-main);
}

.checkbox-item input[type="checkbox"] {
  margin: 0;
  accent-color: var(--primary-main);
}

.checkbox-item input[type="checkbox"]:checked + span {
  color: var(--primary-main);
  font-weight: 600;
}

/* 字符计数器 */
.character-count {
  text-align: right;
  margin-top: 4px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* 必填字段标识 */
.required {
  color: var(--error-main);
  font-weight: 600;
}

/* 加载指示器 */
.loading-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl);
  color: var(--text-secondary);
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border-color);
  border-top: 3px solid var(--primary-main);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--spacing-sm);
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* 响应式设计 */
@media (max-width: 768px) {
  .automation-stats {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .rule-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
  
  .rule-actions {
    width: 100%;
    justify-content: flex-end;
  }
  
  .rule-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  
  .weekday-checkboxes {
    justify-content: center;
  }
  
  .conditions-list {
    justify-content: center;
  }
  
  .modal-content.large {
    max-width: 95vw;
    margin: var(--spacing-sm);
  }
}

/* 优化的消息提示样式 */
.message-toast {
  font-family: var(--font-family, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.message-toast .message-content {
  position: relative;
}

.message-toast .message-close:hover {
  background-color: rgba(0, 0, 0, 0.1) !important;
  transform: scale(1.1);
}

.message-toast .message-close:active {
  transform: scale(0.95);
}

/* 消息类型特定样式 */
.message-toast.message-success .message-icon {
  background: rgba(76, 175, 80, 0.1);
  border-radius: 50%;
  width: 24px;
  height: 24px;
}

.message-toast.message-error .message-icon {
  background: rgba(244, 67, 54, 0.1);
  border-radius: 50%;
  width: 24px;
  height: 24px;
}

.message-toast.message-warning .message-icon {
  background: rgba(255, 152, 0, 0.1);
  border-radius: 50%;
  width: 24px;
  height: 24px;
}

.message-toast.message-info .message-icon {
  background: rgba(33, 150, 243, 0.1);
  border-radius: 50%;
  width: 24px;
  height: 24px;
}

/* 多个toast的堆叠效果 */
.message-toast:nth-child(n+2) {
  margin-top: 8px;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .message-toast {
    right: 10px;
    left: 10px;
    min-width: auto;
    max-width: none;
  }
  
  .message-toast .message-content {
    padding: 14px 16px;
  }
}

/* ===== 电话功能模块样式 ===== */

/* 电话功能表单增强 */
#telephone .help-text {
  color: var(--text-secondary);
  font-size: 12px;
  margin-top: 4px;
  display: block;
}

#telephone .form-group input[readonly] {
  background-color: var(--background-default);
  cursor: not-allowed;
}

#telephone .char-count {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 8px;
  text-align: right;
}

/* 通话状态样式 */
.call-status-container {
  margin: 16px 0;
  padding: 16px;
  background: var(--background-default);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.call-status {
  display: flex;
  align-items: center;
  gap: 12px;
}

.call-status .status-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.call-status .status-indicator.status-offline {
  background-color: var(--text-disabled);
}

.call-status .status-indicator.status-calling {
  background-color: var(--warning-main);
  animation: pulse 1.5s infinite;
}

.call-status .status-indicator.status-active {
  background-color: var(--success-main);
}

.call-status .status-indicator.status-error {
  background-color: var(--error-main);
}

@keyframes pulse {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
  100% {
    opacity: 1;
  }
}

#call-status-text {
  color: var(--text-primary);
  font-weight: 500;
}

/* 按钮组样式增强 */
#telephone .button-group {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}

#telephone .button-group .btn {
  flex: 1;
  min-width: 120px;
}

/* 通话记录样式 */
#call-history {
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--background-paper);
}

.call-record-item {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.call-record-item:last-child {
  border-bottom: none;
}

.call-record-info {
  flex: 1;
}

.call-record-type {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.call-record-details {
  font-size: 12px;
  color: var(--text-secondary);
}

.call-record-status {
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
}

.call-record-status.status-success {
  background: var(--success-light);
  color: var(--success-dark);
}

.call-record-status.status-dialing {
  background: var(--warning-light);
  color: var(--warning-dark);
}

.call-record-status.status-ended {
  background: var(--info-light);
  color: var(--info-dark);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .command-item code {
    font-size: 11px;
    padding: 8px;
  }
  
  #telephone .button-group {
    flex-direction: column;
  }
  
  #telephone .button-group .btn {
    flex: none;
    min-width: auto;
  }
  
  .call-status {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

/* ===== 电话功能参数开关样式 ===== */
.param-switch-group {
  margin-bottom: 20px;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  background: #fff;
  transition: box-shadow 0.3s ease;
}

.param-switch-group:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.param-switch {
  padding: 15px;
  border-bottom: 1px solid #f0f0f0;
  background: #fafafa;
  border-radius: 8px 8px 0 0;
}

.param-switch-group:last-child .param-switch {
  border-bottom: none;
}

.switch-label {
  display: flex;
  align-items: center;
  cursor: pointer;
  margin: 0;
  user-select: none;
}

.switch-label input[type="checkbox"] {
  margin-right: 12px;
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--primary-main);
}

.switch-text {
  font-weight: 500;
  color: #495057;
  font-size: 14px;
}

.param-config {
  padding: 15px;
  background: #fff;
  border-radius: 0 0 8px 8px;
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
  }
  to {
    opacity: 1;
    max-height: 200px;
    padding-top: 15px;
    padding-bottom: 15px;
  }
}

.param-config .form-group {
  margin-bottom: 0;
}

/* 快速模式按钮样式 */
.btn-outline-primary.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
  border: 1px solid var(--primary-main);
  color: var(--primary-main);
  background: transparent;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.btn-outline-primary.btn-sm:hover {
  background: var(--primary-main);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(73, 175, 139, 0.3);
}

.btn-outline-primary.btn-sm.active {
  background: var(--primary-main);
  color: white;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* 指令预览样式 */
.command-preview {
  transition: all 0.3s ease;
}

.command-preview:hover {
  box-shadow: 0 2px 12px rgba(33, 150, 243, 0.15);
  transform: translateY(-1px);
}

#command-preview-text {
  transition: all 0.3s ease;
  line-height: 1.4;
}

#command-preview-text:hover {
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* 高级参数区域样式 */
.advanced-params-section {
  margin-top: 25px;
  padding: 20px;
  background: #f8f9fa;
  border-radius: 8px;
  border: 1px solid #e9ecef;
}

.advanced-params-section h3 {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .param-switch {
    padding: 12px;
  }
  
  .param-config {
    padding: 12px;
  }
  
  .quick-mode-section {
    padding: 12px !important;
  }
  
  .quick-mode-section > div {
    flex-direction: column !important;
    gap: 8px !important;
  }
  
  .btn-outline-primary.btn-sm {
    width: 100%;
    justify-content: center;
  }
}

/* ===== 自动接听实时状态显示样式 ===== */
.auto-answer-status-section {
  margin-top: 20px;
  padding: 15px;
  background: #f8f9fa;
  border-radius: 6px;
  border: 1px solid #dee2e6;
}

.status-display-container {
  margin-bottom: 15px;
}

.current-status-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: white;
  border-radius: 8px;
  border: 1px solid #e9ecef;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.status-indicator-circle {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #6c757d;
  position: relative;
  flex-shrink: 0;
}

.status-indicator-circle.status-waiting {
  background: #6c757d;
}

.status-indicator-circle.status-ringing {
  background: #ffc107;
  animation: statusPulse 2s infinite;
}

.status-indicator-circle.status-connected {
  background: #28a745;
  animation: statusPulse 2s infinite;
}

.status-indicator-circle.status-playing {
  background: #17a2b8;
  animation: statusPulse 1.5s infinite;
}

.status-indicator-circle.status-ended {
  background: #dc3545;
}

@keyframes statusPulse {
  0% {
    box-shadow: 0 0 0 0 currentColor;
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
  100% {
    box-shadow: 0 0 0 8px transparent;
    opacity: 1;
  }
}

.status-text-content {
  flex: 1;
  min-width: 0;
}

.status-main-text {
  font-size: 14px;
  font-weight: 600;
  color: #495057;
  margin-bottom: 2px;
}

.status-sub-text {
  font-size: 12px;
  color: #6c757d;
}

.status-timestamp {
  font-size: 11px;
  color: #868e96;
  white-space: nowrap;
}

/* 状态历史记录样式 */
.status-history-container {
  margin-top: 15px;
}

.status-history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.status-history-list {
  max-height: 200px;
  overflow-y: auto;
  background: white;
  border-radius: 6px;
  border: 1px solid #e9ecef;
}

.status-history-empty {
  padding: 20px;
  text-align: center;
  color: #6c757d;
  font-size: 13px;
}

.status-history-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-bottom: 1px solid #f8f9fa;
  transition: background-color 0.2s;
}

.status-history-item:last-child {
  border-bottom: none;
}

.status-history-item:hover {
  background-color: #f8f9fa;
}

.status-history-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-history-indicator.status-waiting {
  background: #6c757d;
}

.status-history-indicator.status-ringing {
  background: #ffc107;
}

.status-history-indicator.status-connected {
  background: #28a745;
}

.status-history-indicator.status-playing {
  background: #17a2b8;
}

.status-history-indicator.status-ended {
  background: #dc3545;
}

.status-history-content {
  flex: 1;
  min-width: 0;
}

.status-history-text {
  font-size: 12px;
  color: #495057;
  margin-bottom: 1px;
}

.status-history-time {
  font-size: 11px;
  color: #868e96;
}

/* 状态文字颜色 */
.status-text-waiting {
  color: #6c757d;
}

.status-text-ringing {
  color: #856404;
}

.status-text-connected {
  color: #155724;
}

/* ===== 来电铃声设置样式 ===== */
.ringtone-settings-container {
  max-width: 100%;
}

.ringtone-status {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ringtone-status .status-display {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ringtone-status .status-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--success-main);
  box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

.ringtone-status .status-indicator.inactive {
  background: var(--text-secondary);
  box-shadow: 0 0 0 2px rgba(139, 140, 142, 0.2);
}

.ringtone-config {
  background: var(--background-paper);
  padding: 15px;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--ringtone-border);
  margin-top: 15px;
}

.ringtone-config.active {
  border-color: var(--ringtone-primary);
  background: rgba(73, 175, 139, 0.02);
}

.current-file-info {
  background: rgba(73, 175, 139, 0.05);
  padding: 12px;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--ringtone-border);
}

.file-preview {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.file-preview span {
  color: var(--text-primary);
  font-weight: 500;
}



.ringtone-play-settings {
  background: var(--ringtone-bg);
  border: 1px solid var(--ringtone-border);
  border-radius: var(--border-radius-md);
}

.ringtone-play-settings h4 {
  color: var(--text-primary);
  font-size: 1em;
  margin: 0 0 15px 0;
  border-bottom: 1px solid var(--ringtone-border);
  padding-bottom: 8px;
}

.volume-control {
  display: flex;
  align-items: center;
  gap: 12px;
}

.volume-control input[type="range"] {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: var(--border-color);
  outline: none;
  appearance: none;
}

.volume-control input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--ringtone-primary);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.volume-control input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--ringtone-primary);
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

#volume-display {
  min-width: 50px;
  text-align: center;
  font-weight: 600;
  color: var(--ringtone-primary);
}

/* 音频控件样式美化 */
audio {
  border-radius: var(--border-radius-sm);
  background: var(--background-paper);
  border: 1px solid var(--ringtone-border);
}

audio::-webkit-media-controls-panel {
  background-color: var(--background-paper);
  border-radius: var(--border-radius-sm);
}

/* 铃声测试按钮特殊样式 */
#test-ringtone {
  background: linear-gradient(45deg, var(--ringtone-primary), var(--primary-light));
  color: white;
  border: none;
  position: relative;
  overflow: hidden;
}

#test-ringtone:hover {
  background: linear-gradient(45deg, var(--primary-dark), var(--ringtone-primary));
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary);
}

#test-ringtone:disabled {
  background: var(--text-disabled);
  color: var(--text-secondary);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

#stop-ringtone-test:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .ringtone-config {
    padding: 12px;
    margin-top: 12px;
  }
  
  .volume-control {
    flex-direction: column;
    align-items: stretch;
  }
  
  #volume-display {
    text-align: left;
  }
}

/* 动画效果 */
@keyframes ringtone-pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.8; }
  100% { transform: scale(1); opacity: 1; }
}

.ringtone-testing {
  animation: ringtone-pulse 1.5s ease-in-out infinite;
}

/* 文件上传区域样式 */
#ringtone-file {
  border: 2px dashed var(--ringtone-border);
  border-radius: var(--border-radius-sm);
  padding: 10px;
  background: var(--background-paper);
  transition: all 0.3s ease;
}

#ringtone-file:hover {
  border-color: var(--ringtone-primary);
  background: rgba(73, 175, 139, 0.02);
}

#ringtone-file:focus {
  border-color: var(--ringtone-primary);
  box-shadow: 0 0 0 3px rgba(73, 175, 139, 0.1);
  outline: none;
}

.status-text-playing {
  color: #0c5460;
}

.status-text-ended {
  color: #721c24;
}