/* 响应式样式文件 */

/* 超小屏幕 (手机) */
@media (max-width: 640px) {
    /* 布局调整 */
    .admin-container {
        flex-direction: column;
    }

    /* ========== 固定底部导航菜单 ========== */
    .sidebar {
        width: 100%;
        height: auto;
        position: fixed;
        bottom: 0;
        top: auto;
        left: 0;
        right: 0;
        border-right: none;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
        /* 固定显示，不再使用 transform 动画 */
        transform: none !important;
        z-index: 1000;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
        padding-bottom: env(safe-area-inset-bottom, 0);
    }

    /* 移除 show 类效果 - 底部菜单始终显示 */
    .sidebar.show {
        transform: none !important;
    }

    .sidebar-header {
        display: none; /* 移动端隐藏标题 */
    }

    .sidebar-nav {
        display: flex;
        padding: 6px 2px;
        overflow-x: auto;
        overflow-y: hidden;
        justify-content: flex-start;
        gap: 0;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .sidebar-nav::-webkit-scrollbar {
        display: none;
    }

    /* 导航项样式 - 紧凑布局以容纳9个菜单 */
    .nav-item {
        flex-direction: column;
        gap: 2px;
        padding: 5px 3px;
        font-size: 0.55rem;
        min-width: 0;
        flex: 1 1 0;
        text-align: center;
        border-radius: 6px;
        background: transparent;
        border: none;
        transition: all 0.2s ease;
        color: rgba(255, 255, 255, 0.7);
    }

    .nav-item:hover {
        background: rgba(255, 255, 255, 0.1);
    }

    .nav-item.active {
        background: var(--primary-color);
        color: #fff;
        box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
    }

    .nav-item.active i {
        color: #fff;
    }

    .nav-item span {
        font-size: 0.5rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        line-height: 1.1;
    }

    .nav-item i {
        font-size: 1.1rem;
        width: auto;
        height: 18px;
        line-height: 18px;
    }

    /* 主内容区域 - 为底部导航留出空间 */
    .main-content {
        margin-left: 0;
        margin-bottom: 65px;
    }

    /* 移动端遮罩层 - 底部菜单不需要遮罩层 */
    .sidebar-overlay {
        display: none !important;
    }

    .sidebar-overlay.show {
        display: none !important;
    }

    /* 隐藏移动端菜单按钮和FAB */
    .mobile-menu-toggle {
        display: none !important;
    }

    .fab-menu-btn {
        display: none !important;
    }

    .user-info {
        flex-direction: column;
        align-items: flex-end;
        gap: 2px;
    }
    
    .username {
        font-size: 0.75rem;
    }
    
    .logout-btn {
        padding: 4px 8px;
        font-size: 0.75rem;
        gap: 2px;
    }
    
    .logout-btn i {
        font-size: 0.875rem;
    }
    
    /* 内容区域调整 */
    .content-wrapper {
        padding: var(--spacing-md);
    }
    
    .page-header {
        margin-bottom: var(--spacing-lg);
    }
    
    .page-header h2 {
        font-size: 1.25rem;
    }
    
    /* 移动端筛选栏调整 - 群组管理 */
    #groups-page .filter-bar {
        flex-wrap: wrap;
        gap: 8px;
        padding: 8px;
        align-items: flex-end !important;
    }
    
    #groups-page .filter-bar > * {
        flex: 1 1 auto;
        min-width: calc(50% - 4px);
        height: auto !important;
    }
    
    #groups-page .filter-bar .form-select {
        height: 36px !important;
        align-self: flex-end !important;
    }
    
    #groups-page .filter-bar .form-input {
        height: 36px !important;
        align-self: flex-end !important;
    }
    
    #groups-page .filter-bar .search-box {
        flex: 1 1 100%;
        min-width: 100%;
        display: flex !important;
        flex-direction: row !important;
        align-items: flex-end !important;
    }
    
    #groups-page .filter-bar .search-box input {
        flex: 1;
        height: 36px !important;
        align-self: flex-end !important;
    }
    
    #groups-page .filter-bar .search-box .btn {
        height: 36px !important;
        align-self: flex-end !important;
    }
    
    /* 移动端右侧按钮分散对齐 */
    .filter-bar-right {
        margin-left: auto !important;
        flex: 1 1 100% !important;
        display: flex !important;
        justify-content: space-between !important;
        gap: 8px !important;
        min-width: 100% !important;
    }
    
    .filter-bar-right .btn {
        flex: 1;
        min-width: 0;
        padding: 6px 8px;
        font-size: 0.75rem;
    }
    
    /* 移动端表格容器支持横向滚动 - 增强优先级 */
    #messages-page .table-container,
    #orders-page .table-container,
    #products-page .table-container,
    #customers-page .table-container,
    #users-page .table-container,
    #groups-page .table-container,
    .page .table-container {
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        max-width: 100%;
    }
    
    /* 确保表格可以滚动 */
    #messages-page .data-table,
    #orders-page .data-table,
    #products-page .data-table,
    #customers-page .data-table,
    #users-page .data-table,
    #groups-page .data-table {
        min-width: 650px !important;
        width: 100%;
        font-size: 0.75rem;
    }
    
    #messages-page .data-table th,
    #messages-page .data-table td,
    #orders-page .data-table th,
    #orders-page .data-table td {
        padding: 8px 6px;
        white-space: nowrap;
        max-width: 180px;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .page-actions {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }
    
    .page-actions .btn,
    .page-actions .form-select {
        width: 100%;
    }
    
    /* 统计卡片 */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }
    
    .stat-card {
        padding: var(--spacing-md);
    }
    
    .stat-icon {
        width: 40px;
        height: 40px;
        margin-bottom: var(--spacing-sm);
    }
    
    .stat-icon i {
        font-size: 1.25rem;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    /* 图表卡片 */
    .charts-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .chart-card {
        padding: var(--spacing-md);
    }
    
    .chart-header {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-md);
    }
    
    .chart-header h3 {
        font-size: 0.875rem;
    }
    
    .chart-container {
        height: 300px;
    }
}
        grid-template-columns: repeat(2, 1fr);
    }
    
    .charts-grid {
        grid-template-columns: 1fr;
    }
    
    .chart-container {
        height: 250px;
    }
    
    .settings-nav {
        width: 180px;
    }
    
    .settings-nav-item {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.75rem;
    }
}

/* 中等屏幕 (平板横屏) */
@media (min-width: 769px) and (max-width: 1024px) {
    :root {
        --sidebar-width: 220px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .charts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .chart-container {
        height: 250px;
    }
    
    .settings-nav {
        width: 180px;
    }
}

/* 大屏幕 (桌面) */
@media (min-width: 1025px) and (max-width: 1280px) {
    :root {
        --sidebar-width: 240px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .charts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .chart-container {
        height: 300px;
    }
}

/* 超大屏幕 */
@media (min-width: 1281px) {
    :root {
        --sidebar-width: 260px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .charts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .chart-container {
        height: 350px;
    }
}

/* 打印样式 */
@media print {
    .sidebar,
    .top-header,
    .page-actions,
    .table-toolbar,
    .pagination,
    .form-actions,
    .settings-nav,
    .modal-overlay,
    .modal,
    .toast {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .content-wrapper {
        padding: 0;
    }
    
    .page-header {
        margin-bottom: 1rem;
    }
    
    .stats-grid,
    .charts-grid {
        display: none;
    }
    
    .table-container {
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .data-table {
        font-size: 10pt;
    }
    
    .data-table th {
        background: #f0f0f0 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    
    .data-table td,
    .data-table th {
        padding: 4px;
        border: 1px solid #000;
    }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0000ff;
        --gray-100: #ffffff;
        --gray-200: #000000;
        --gray-300: #000000;
        --gray-400: #000000;
        --gray-500: #000000;
        --gray-600: #000000;
        --gray-700: #000000;
        --gray-800: #000000;
        --gray-900: #000000;
    }
    
    .sidebar {
        border-right: 2px solid #000;
    }
    
    .top-header {
        border-bottom: 2px solid #000;
    }
    
    .stat-card,
    .chart-card,
    .table-container,
    .settings-form {
        border: 2px solid #000;
    }
    
    .btn {
        border: 2px solid #000;
    }
    
    .nav-item.active {
        border: 2px solid #000;
        background: #000;
        color: #fff;
    }
    
    .settings-nav-item.active {
        border: 2px solid #000;
        background: #000;
        color: #fff;
    }
}

/* 减少动画 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .page,
    .settings-tab {
        animation: none;
    }
}

/* 深色模式 */
@media (prefers-color-scheme: dark) {
    :root {
        --primary-color: #60a5fa;
        --primary-light: #1e3a8a;
        --primary-dark: #93c5fd;
        --secondary-color: #94a3b8;
        --success-color: #34d399;
        --warning-color: #fbbf24;
        --danger-color: #f87171;
        --info-color: #60a5fa;
        
        --gray-50: #0f172a;
        --gray-100: #1e293b;
        --gray-200: #334155;
        --gray-300: #475569;
        --gray-400: #64748b;
        --gray-500: #94a3b8;
        --gray-600: #cbd5e1;
        --gray-700: #e2e8f0;
        --gray-800: #f1f5f9;
        --gray-900: #f8fafc;
    }
    
    body {
        background-color: var(--gray-50);
        color: var(--gray-700);
    }
    
    .sidebar,
    .top-header,
    .stat-card,
    .chart-card,
    .table-container,
    .settings-form {
        background: var(--gray-100);
        border-color: var(--gray-200);
    }
    
    .btn-secondary {
        background: var(--gray-200);
        color: var(--gray-800);
        border-color: var(--gray-300);
    }
    
    .btn-secondary:hover {
        background: var(--gray-300);
        border-color: var(--gray-400);
    }
    
    .search-box input {
        background: var(--gray-200);
        border-color: var(--gray-300);
        color: var(--gray-800);
    }
    
    .search-box input:focus {
        border-color: var(--primary-color);
    }
    
    .data-table thead {
        background: var(--gray-200);
    }
    
    .data-table th {
        color: var(--gray-800);
    }
    
    .data-table tbody tr:hover {
        background: var(--gray-200);
    }
    
    .pagination {
        background: var(--gray-200);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        background: var(--gray-200);
        border-color: var(--gray-300);
        color: var(--gray-800);
    }
    
    .settings-nav-item {
        background: var(--gray-200);
        border-color: var(--gray-300);
        color: var(--gray-600);
    }
    
    .settings-nav-item:hover {
        background: var(--gray-300);
        border-color: var(--gray-400);
        color: var(--gray-700);
    }
    
    .settings-nav-item.active {
        background: var(--primary-light);
        border-color: var(--primary-color);
        color: var(--primary-color);
    }
    
    .form-select {
        background: var(--gray-200);
        border-color: var(--gray-300);
        color: var(--gray-800);
    }
    
    .modal {
        background: var(--gray-100);
        border-color: var(--gray-200);
    }
    
    .toast {
        background: var(--gray-200);
        color: var(--gray-800);
    }
}

/* OCR识别结果样式 */
.image-preview-section {
    margin-bottom: 1rem;
}

.image-preview-container {
    background: var(--gray-50);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
}

.message-image-preview {
    max-width: 100%;
    max-height: 300px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: transform 0.2s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.message-image-preview:hover {
    transform: scale(1.02);
}

.image-error {
    padding: var(--spacing-xl);
    color: var(--danger-color);
    background: rgba(248, 113, 113, 0.1);
    border-radius: var(--radius-sm);
}

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

.ocr-section {
    margin-top: 1rem;
}

.ocr-section h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.ocr-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: normal;
}

.ocr-badge.cached {
    background: rgba(52, 211, 153, 0.2);
    color: var(--success-color);
}

.ocr-badge.empty {
    background: rgba(148, 163, 184, 0.2);
    color: var(--secondary-color);
}

.ocr-content {
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    margin-top: var(--spacing-sm);
    max-height: 200px;
    overflow-y: auto;
}

.ocr-content pre {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-all;
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--gray-700);
}

.ocr-empty {
    color: var(--secondary-color);
    font-style: italic;
}

.ocr-time {
    margin-top: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--gray-500);
}

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

/* OCR结果弹窗样式 */
.ocr-result-container {
    padding: var(--spacing-md);
}

.ocr-result-header {
    margin-bottom: var(--spacing-md);
}

.ocr-result-content {
    background: var(--gray-50);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    max-height: 300px;
    overflow-y: auto;
}

.ocr-result-content pre {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-all;
    font-size: 1rem;
    line-height: 1.8;
}

.ocr-result-actions {
    margin-top: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

/* 图片消息标识样式 */
.image-message-indicator {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--info-color);
}

.image-message-indicator i {
    font-size: 1rem;
}

/* 消息类型标签 */
.type-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
}

.type-badge.image {
    background: rgba(96, 165, 250, 0.2);
    color: var(--info-color);
}

/* OCR按钮样式 */
.action-btn-ocr {
    color: var(--info-color);
}

.action-btn-ocr:hover {
    background: rgba(96, 165, 250, 0.2);
}

/* 消息列表图片消息样式 */
.message-content-cell {
    max-width: 300px;
    max-height: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    cursor: pointer;
}

/* 移除悬停抖动效果 - 保持简单的悬停提示 */
.message-content-cell:hover {
    background: rgba(0, 0, 0, 0.03);
}

.image-message-with-ocr {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.image-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    background: rgba(96, 165, 250, 0.2);
    color: var(--info-color);
    flex-shrink: 0;
}

/* OCR成功状态 */
.image-message-with-ocr.ocr-success {
    flex-direction: column;
    align-items: flex-start;
}

.ocr-text {
    font-size: 0.8rem;
    color: var(--gray-600);
    background: var(--gray-50);
    padding: 4px 8px;
    border-radius: 4px;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* OCR待识别状态 */
.image-message-with-ocr.ocr-pending .ocr-hint {
    font-size: 0.75rem;
    color: var(--warning-color);
    font-style: italic;
}

.image-message-with-ocr.ocr-pending {
    cursor: pointer;
}

.image-message-with-ocr.ocr-pending:hover .image-badge {
    background: rgba(96, 165, 250, 0.3);
}

/* OCR失败状态 - 红色醒目提醒 */
.image-message-with-ocr.ocr-failed {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
}

.ocr-failed-text {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--danger-color);
    background: rgba(248, 113, 113, 0.15);
    padding: 4px 10px;
    border-radius: 4px;
    border: 1px solid rgba(248, 113, 113, 0.3);
    animation: ocr-failed-pulse 2s ease-in-out infinite;
}

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

.ocr-retry-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    font-size: 0.7rem;
    color: var(--white);
    background: var(--danger-color);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ocr-retry-btn:hover {
    background: #dc2626;
    transform: scale(1.05);
}

/* OCR操作按钮样式（识别/重试） */
.ocr-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: 0.75rem;
    color: #fff;
    background: var(--primary-color);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ocr-action-btn:hover {
    background: #2563eb;
    transform: scale(1.05);
}

.ocr-action-btn i {
    font-size: 0.9rem;
}

/* 移动端适配 */
@media (max-width: 640px) {
    .image-message-with-ocr {
        flex-direction: column;
        align-items: flex-start;
    }

    .ocr-text {
        max-width: 200px;
    }

    .message-content-cell {
        max-width: 200px;
        max-height: 60px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}

/* ========== 新增移动端响应式样式 (2026-04-05) ========== */

/* 超小屏幕 - 手机 (max-width: 640px) */
@media (max-width: 640px) {
    /* 设置页面包装器 */
    .settings-wrapper {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    /* 设置侧边栏 */
    .settings-sidebar {
        width: 100%;
        position: static;
        padding: var(--spacing-sm);
    }

    .settings-nav-header {
        display: none;
    }

    .settings-nav {
        flex-direction: row;
        flex-wrap: nowrap;
        overflow-x: auto;
        overflow-y: hidden;
        gap: var(--spacing-xs);
        padding-bottom: var(--spacing-xs);
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .settings-nav::-webkit-scrollbar {
        display: none;
    }

    .settings-nav .settings-nav-item {
        flex-shrink: 0;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.7rem;
        min-width: 70px;
        justify-content: center;
    }

    .settings-nav .settings-nav-item span {
        display: none;
    }

    .settings-nav .settings-nav-item i {
        font-size: 1.25rem;
    }

    /* 设置主区域 */
    .settings-main {
        width: 100%;
    }

    /* 设置面板 */
    .settings-panel-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
        padding: var(--spacing-lg);
    }

    .settings-panel-icon {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }

    .settings-panel-title h3 {
        font-size: 1.1rem;
    }

    .settings-panel-title p {
        font-size: 0.8rem;
    }

    .settings-panel-body {
        padding: var(--spacing-lg);
    }

    /* 表单布局 */
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    /* 滑块开关项 */
    .sync-toggles {
        gap: var(--spacing-md);
    }

    .toggle-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }

    .toggle-info {
        width: 100%;
    }

    .toggle-info > i {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }

    .toggle-text {
        flex: 1;
    }

    .toggle-title {
        font-size: 0.9rem;
    }

    .toggle-desc {
        font-size: 0.7rem;
    }

    .toggle-switch {
        position: absolute;
        right: var(--spacing-md);
        top: 50%;
        transform: translateY(-50%);
    }

    .toggle-item {
        position: relative;
        padding-right: 80px;
    }

    /* 表单操作按钮 */
    .form-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .form-actions .btn {
        width: 100%;
    }

    /* 同步设置 */
    .sync-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .sync-actions .btn {
        width: 100%;
    }

    .sync-status {
        grid-template-columns: 1fr;
    }

    /* 维护统计卡片 */
    .maintenance-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-card-mini {
        padding: var(--spacing-md);
    }

    .stat-card-mini i {
        font-size: 1.25rem;
    }

    /* 维护操作项 */
    .maintenance-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .maintenance-control {
        width: 100%;
        justify-content: flex-end;
    }

    /* OCR配置 */
    .ocr-config {
        padding: var(--spacing-md);
    }

    .form-select-lg {
        width: 100%;
    }

    /* 通知选项 */
    .notification-options {
        gap: var(--spacing-sm);
    }

    .notification-option {
        padding: var(--spacing-md);
    }
}

/* 小屏幕 - 平板竖屏 (641px - 768px) */
@media (min-width: 641px) and (max-width: 768px) {
    .settings-sidebar {
        width: 180px;
    }

    .settings-nav .settings-nav-item {
        font-size: 0.75rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .settings-nav .settings-nav-item span {
        display: none;
    }

    .toggle-item {
        padding-right: 70px;
    }

    .maintenance-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 中等屏幕 - 平板横屏 (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .settings-sidebar {
        width: 200px;
    }

    .settings-nav .settings-nav-item {
        font-size: 0.8rem;
    }

    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .maintenance-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}