/* 主样式文件 */

:root {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --border-radius: 6px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
  }
  
  body {
    background-color: #f4f6fa;
    color: var(--dark-color);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
      Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
    line-height: 1.6;
  }
  
  /* 卡片样式 */
  .card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    background-color: white;
    transition: var(--transition);
  }
  
  .card:hover {
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
  }
  
  /* 导航栏 */
  .navbar {
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  }
  
  .navbar-brand {
    font-weight: bold;
    color: var(--primary-color);
  }
  
  /* 按钮样式 */
  .btn {
    border-radius: var(--border-radius);
    padding: 0.5rem 1.5rem;
    transition: var(--transition);
    font-weight: 500;
  }
  
  .btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
  }
  
  .btn-primary:hover {
    background-color: #2980b9;
    border-color: #2980b9;
  }
  
  .btn-success {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
  }
  
  .btn-success:hover {
    background-color: #27ae60;
    border-color: #27ae60;
  }
  
  .btn-danger {
    background-color: var(--danger-color);
    border-color: var(--danger-color);
  }
  
  .btn-danger:hover {
    background-color: #c0392b;
    border-color: #c0392b;
  }
  
  /* 表格样式 */
  .table {
    border-collapse: separate;
    border-spacing: 0;
  }
  
  .table th {
    font-weight: 600;
    background-color: #f8f9fa;
  }
  
  .table tbody tr:hover {
    background-color: rgba(52, 152, 219, 0.05);
  }
  
  /* 表单样式 */
  .form-control {
    border-radius: var(--border-radius);
    border: 1px solid #ddd;
    padding: 0.75rem;
  }
  
  .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
  }
  
  .form-label {
    font-weight: 600;
    margin-bottom: 0.5rem;
  }
  
  /* 搜索框 */
  .search-box {
    position: relative;
    margin-bottom: 1.5rem;
  }
  
  .search-box .form-control {
    padding-left: 2.5rem;
  }
  
  .search-box .search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #aaa;
  }
  
  /* 弹出窗口 */
  .modal-content {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: none;
  }
  
  .modal-header {
    border-bottom: 1px solid #eee;
    background-color: #f8f9fa;
    border-top-left-radius: var(--border-radius);
    border-top-right-radius: var(--border-radius);
  }
  
  .modal-footer {
    border-top: 1px solid #eee;
  }
  
  /* 徽章和状态指示器 */
  .badge {
    font-weight: 500;
    padding: 0.5em 0.75em;
    border-radius: 30px;
  }
  
  .badge-online {
    background-color: var(--secondary-color);
    color: white;
  }
  
  .badge-offline {
    background-color: #95a5a6;
    color: white;
  }
  
  .badge-warning {
    background-color: var(--warning-color);
    color: white;
  }
  
  /* 设备卡片 */
  .device-card {
    margin-bottom: 1rem;
  }
  
  .device-card .card-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
  }
  
  .device-card .card-subtitle {
    color: #6c757d;
    font-size: 0.875rem;
  }
  
  .device-card .device-info {
    display: flex;
    justify-content: space-between;
    margin-top: 1rem;
  }
  
  .device-card .device-status {
    font-size: 0.875rem;
    padding: 0.25rem 0.5rem;
    border-radius: 30px;
  }
  
  /* 动画和过渡 */
  .fade-in {
    animation: fadeIn 0.3s ease-in;
  }
  
  @keyframes fadeIn {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }
  
  /* 响应式调整 */
  @media (max-width: 200.98px) {
    .container {
      padding-left: 1px;
      padding-right: 10px;
    }
    
    .table-responsive {
      border-radius: var(--border-radius);
      overflow: hidden;
    }
  }
  
  /* 登录页面 */
  .login-card {
    max-width: 400px;
    margin: 5rem auto;
    padding: 2rem;
  }
  
  .login-card .card-title {
    text-align: center;
    margin-bottom: 2rem;
    font-weight: 700;
  }
  
  .login-form .form-group {
    margin-bottom: 1.5rem;
  }
  
  .login-form .btn {
    width: 100%;
    padding: 0.75rem;
  }
  
  /* 通知和提示 */
  .toast {
    position: fixed;
    top: 20px;
    right: 20px;
    min-width: 300px;
    z-index: 9999;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
  }
  
  .toast-header {
    padding: 0.75rem 1rem;
    background-color: #f8f9fa;
    border-bottom: 1px solid #eee;
  }
  
  .toast-body {
    padding: 1rem;
  }
  
  .toast-success {
    border-left: 4px solid var(--secondary-color);
  }
  
  .toast-danger {
    border-left: 4px solid var(--danger-color);
  }
  
  .toast-warning {
    border-left: 4px solid var(--warning-color);
  }
  
  /* 用户权限表格 */
  .permission-table .form-check {
    margin: 0;
  }
  
  /* 音频控制 */
  .audio-controls {
    border-top: 1px solid #eee;
    padding-top: 1rem;
    margin-top: 1rem;
  }
  
  .audio-controls h5 {
    margin-bottom: 1rem;
    font-weight: 600;
  }
  
  .audio-player {
    width: 100%;
    margin-top: 1rem;
    border-radius: var(--border-radius);
  }