/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 浅色主题变量 */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-card: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --accent-primary: #3b82f6;
    --accent-secondary: #60a5fa;
    --accent-tertiary: #93c5fd;
    --success-color: #10b981;
    --success-light: #d1fae5;
    --warning-color: #f59e0b;
    --warning-light: #fef3c7;
    --danger-color: #ef4444;
    --danger-light: #fee2e2;
    --info-color: #3b82f6;
    --info-light: #dbeafe;
    --blue-light: #eff6ff;
    --blue-medium: #dbeafe;
    --blue-dark: #3b82f6;
    --green-light: #d1fae5;
    --green-medium: #a7f3d0;
    --green-dark: #10b981;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
    --gradient-primary: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    --gradient-secondary: linear-gradient(135deg, var(--accent-secondary), var(--accent-tertiary));
    --gradient-bg: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--gradient-bg);
    background-attachment: fixed;
    overflow-x: hidden;
}

/* 管理后台容器 */
.admin-container {
    display: flex;
    min-height: 100vh;
    background: var(--gradient-bg);
}

/* 侧边栏样式 */
.sidebar {
    width: 260px;
    background: var(--bg-card);
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    box-shadow: var(--shadow-md);
    border-right: 1px solid var(--border-color);
    transition: var(--transition);
    z-index: 100;
}

.sidebar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent, var(--bg-secondary));
    pointer-events: none;
    z-index: -1;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-card);
    position: relative;
    overflow: hidden;
}

.sidebar-header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
}

.sidebar-header h1 {
    font-size: 20px;
    font-weight: 700;
    margin: 0;
    color: var(--text-primary);
}

/* 菜单样式 */
.menu {
    flex: 1;
    padding: 16px 0;
}

.menu-item {
    display: block;
    padding: 14px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    border-left: 3px solid transparent;
    font-size: 14px;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.menu-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.1), transparent);
    transition: var(--transition);
    z-index: -1;
}

.menu-item:hover {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
    border-left-color: var(--accent-primary);
    padding-left: 24px;
    box-shadow: inset 3px 0 0 var(--accent-primary);
}

.menu-item:hover::before {
    width: 100%;
}

.menu-item.active {
    color: var(--text-primary);
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.1), transparent);
    border-left-color: var(--accent-primary);
    font-weight: 600;
    box-shadow: inset 3px 0 0 var(--accent-primary);
}

/* 用户信息和退出按钮样式 */
.user-info {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-card);
    position: relative;
}

.user-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--gradient-primary);
}

.user-name {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 12px;
    font-size: 14px;
}

.logout-btn {
    display: block;
    padding: 10px 16px;
    background: var(--accent-primary);
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    width: 100%;
    box-shadow: var(--shadow-sm);
}

.logout-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    background: #2563eb;
}

/* 主内容区 */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 24px;
    background: var(--bg-primary);
    min-height: 100vh;
    transition: var(--transition);
}

.main-header {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.main-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100px;
    height: 2px;
    background: var(--gradient-primary);
}

.main-header h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

/* 内容区域 */
.content {
    background-color: var(--bg-card);
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), transparent);
    pointer-events: none;
}

/* 卡片组件 */
.card {
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    margin-bottom: 24px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.card:hover::before {
    transform: scaleX(1);
}

.card-header {
    padding: 20px 24px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.card-body {
    padding: 24px;
}

/* 表格组件 */
.table-container {
    overflow-x: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-card);
    color: var(--text-primary);
}

.table th,
.table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

.table th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.table th:first-child {
    border-top-left-radius: 12px;
}

.table th:last-child {
    border-top-right-radius: 12px;
}

.table tr {
    transition: var(--transition);
    position: relative;
}

.table tr::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.1), transparent);
    transition: var(--transition);
    z-index: -1;
}

.table tr:hover {
    background-color: var(--bg-tertiary);
}

.table tr:hover::before {
    width: 100%;
}

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

.table tr:last-child td:first-child {
    border-bottom-left-radius: 12px;
}

.table tr:last-child td:last-child {
    border-bottom-right-radius: 12px;
}

.table-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
    font-style: italic;
    background-color: var(--bg-card);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

/* 表单组件 */
.form {
    max-width: 600px;
    background-color: var(--bg-card);
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    transition: var(--transition);
    font-family: inherit;
    background: var(--bg-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1), var(--shadow-sm);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-checkbox {
    margin-right: 8px;
    accent-color: var(--accent-primary);
}

.form-actions {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 12px;
}

/* 按钮组件 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    min-width: 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    z-index: 1;
}

.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: var(--transition);
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--accent-primary);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: #2563eb;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-success {
    background: var(--success-color);
    color: #fff;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: #059669;
}

.btn-danger {
    background: var(--danger-color);
    color: #fff;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: #dc2626;
}

.btn-warning {
    background: var(--warning-color);
    color: #fff;
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: #d97706;
}

.btn-info {
    background: var(--info-color);
    color: #fff;
}

.btn-info:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: #2563eb;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
    min-width: 80px;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
    min-width: 120px;
}

/* 警告框组件 */
.alert {
    padding: 16px 20px;
    border-radius: 8px;
    margin-bottom: 24px;
    font-weight: 600;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.alert::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: currentColor;
}

.alert-info {
    background-color: var(--info-light);
    color: var(--info-color);
    border-color: var(--accent-tertiary);
}

.alert-success {
    background-color: var(--success-light);
    color: var(--success-color);
    border-color: #a7f3d0;
}

.alert-warning {
    background-color: var(--warning-light);
    color: var(--warning-color);
    border-color: #fde68a;
}

.alert-danger {
    background-color: var(--danger-light);
    color: var(--danger-color);
    border-color: #fca5a5;
}

/* 面包屑组件 */
.breadcrumb {
    margin-bottom: 24px;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb-item::after {
    content: '>';
    margin-left: 8px;
    color: var(--text-muted);
    font-size: 12px;
}

.breadcrumb-item:last-child::after {
    display: none;
}

.breadcrumb-item:hover {
    color: var(--accent-primary);
}

.breadcrumb-item.active {
    color: var(--accent-primary);
    font-weight: 600;
}

/* 仪表盘样式 */
.dashboard {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    padding: 24px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card.success {
    border-left: 4px solid var(--success-color);
}

.stat-card.success::before {
    background: linear-gradient(90deg, var(--success-color), var(--success-light));
}

.stat-card.warning {
    border-left: 4px solid var(--warning-color);
}

.stat-card.warning::before {
    background: linear-gradient(90deg, var(--warning-color), var(--warning-light));
}

.stat-card.danger {
    border-left: 4px solid var(--danger-color);
}

.stat-card.danger::before {
    background: linear-gradient(90deg, var(--danger-color), var(--danger-light));
}

.stat-card.info {
    border-left: 4px solid var(--info-color);
}

.stat-card.info::before {
    background: linear-gradient(90deg, var(--info-color), var(--info-light));
}

.stat-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0 0 8px 0;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-primary);
    margin: 0 0 8px 0;
    text-align: center;
    line-height: 1.2;
}

.stat-change {
    font-size: 12px;
    font-weight: 600;
    text-align: center;
    margin: 0;
}

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

.stat-change.negative {
    color: var(--danger-color);
}

.recent-users {
    margin-top: 24px;
}

/* 配置管理样式 */
.wechat-config-management {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
}

.config-section {
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    padding: 24px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.config-section:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.config-section h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 20px 0;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.config-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 24px;
    padding: 24px;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

/* 表单帮助文本样式 */
.form-help {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
}

/* 订单管理样式优化 */
.order-management {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 16px;
}

.btn-group {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* 统一表单样式 */
.form {
    max-width: 100%;
    background-color: var(--bg-card);
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

/* 响应式优化 */
@media (max-width: 768px) {
    .config-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 16px;
    }
    
    .stat-card {
        padding: 16px;
    }
    
    .stat-value {
        font-size: 28px;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .btn-group {
        width: 100%;
        justify-content: flex-start;
    }
    
    .btn {
        flex: 1;
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .config-section {
        padding: 16px;
    }
    
    .config-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

/* 用户管理样式 */
.user-management {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* 页面头部 */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.page-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

/* 权限设置样式 */
.permissions-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.permission-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.permission-item:hover {
    background: var(--border-color);
    box-shadow: var(--shadow-sm);
}

.permission-item input[type="checkbox"] {
    accent-color: var(--accent-primary);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .admin-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        box-shadow: var(--shadow-md);
    }
    
    .main-content {
        margin-left: 0;
        padding: 16px;
    }
    
    .content {
        padding: 16px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .table th,
    .table td {
        padding: 12px 8px;
        font-size: 12px;
    }
    
    .main-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .permissions-list {
        grid-template-columns: 1fr;
    }
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 错误信息样式 */
.error-message {
    color: var(--danger-color);
    font-size: 12px;
    margin-top: 4px;
    display: block;
}

/* 表单输入错误样式 */
.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.1);
}

/* 消息提示样式 */
.message {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 20px;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
    border: 1px solid transparent;
}

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

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

.message.error {
    background-color: var(--danger-color);
    border-color: var(--danger-color);
    box-shadow: var(--shadow-lg);
}

.message.success {
    background-color: var(--success-color);
    border-color: var(--success-color);
    box-shadow: var(--shadow-lg);
}

.message.warning {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
    box-shadow: var(--shadow-lg);
}

.message.info {
    background-color: var(--info-color);
    border-color: var(--info-color);
    box-shadow: var(--shadow-lg);
}

/* 加载遮罩样式 */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
    border-radius: 12px;
    backdrop-filter: blur(4px);
}

/* 文本样式 */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 16px;
}

h1 {
    font-size: 32px;
}

h2 {
    font-size: 28px;
}

h3 {
    font-size: 24px;
}

h4 {
    font-size: 20px;
}

h5 {
    font-size: 18px;
}

h6 {
    font-size: 16px;
}

p {
    margin-bottom: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

a:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

/* 列表样式 */
ul, ol {
    margin-bottom: 16px;
    padding-left: 24px;
    color: var(--text-secondary);
}

li {
    margin-bottom: 8px;
    line-height: 1.6;
}

/* 代码样式 */
code {
    background-color: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Fira Code', 'Courier New', Courier, monospace;
    font-size: 13px;
    color: var(--danger-color);
    border: 1px solid var(--border-color);
}

pre {
    background-color: var(--bg-tertiary);
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    margin-bottom: 16px;
    font-family: 'Fira Code', 'Courier New', Courier, monospace;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

pre code {
    background-color: transparent;
    padding: 0;
    border-radius: 0;
    color: inherit;
    border: none;
}

/* 分隔线样式 */
hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 24px 0;
}

/* 辅助类 */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }
.mt-5 { margin-top: 32px; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 24px; }
.mb-5 { margin-bottom: 32px; }

.ml-0 { margin-left: 0; }
.ml-1 { margin-left: 4px; }
.ml-2 { margin-left: 8px; }
.ml-3 { margin-left: 16px; }
.ml-4 { margin-left: 24px; }
.ml-5 { margin-left: 32px; }

.mr-0 { margin-right: 0; }
.mr-1 { margin-right: 4px; }
.mr-2 { margin-right: 8px; }
.mr-3 { margin-right: 16px; }
.mr-4 { margin-right: 24px; }
.mr-5 { margin-right: 32px; }

.p-0 { padding: 0; }
.p-1 { padding: 4px; }
.p-2 { padding: 8px; }
.p-3 { padding: 16px; }
.p-4 { padding: 24px; }
.p-5 { padding: 32px; }

/* 浮动类 */
.float-left { float: left; }
.float-right { float: right; }
.clearfix::after { content: ""; display: table; clear: both; }

/* 隐藏类 */
.hidden { display: none; }
.visible { display: block; }

/* 显示类 */
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

/* 弹性布局类 */
.flex-row { flex-direction: row; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.justify-content-start { justify-content: flex-start; }
.justify-content-end { justify-content: flex-end; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-around { justify-content: space-around; }
.align-items-start { align-items: flex-start; }
.align-items-end { align-items: flex-end; }
.align-items-center { align-items: center; }
.align-items-baseline { align-items: baseline; }
.align-items-stretch { align-items: stretch; }
.flex-1 { flex: 1; }
.flex-auto { flex: auto; }
.flex-none { flex: none; }

/* 网格布局类 */
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.25rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-10 { gap: 2.5rem; }
.gap-12 { gap: 3rem; }

/* 登录页面样式 */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: var(--bg-primary);
    background-image: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.1), transparent 70%);
}

.login-box {
    background-color: var(--bg-card);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 420px;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.login-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(96, 165, 250, 0.05));
    pointer-events: none;
}

.login-box h2 {
    text-align: center;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-size: 28px;
    font-weight: 700;
}

.login-box h3 {
    text-align: center;
    margin-bottom: 32px;
    color: var(--text-secondary);
    font-weight: normal;
    font-size: 16px;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* 选择文本样式 */
::selection {
    background: rgba(59, 130, 246, 0.3);
    color: var(--text-primary);
}

::-moz-selection {
    background: rgba(59, 130, 246, 0.3);
    color: var(--text-primary);
}