/**
 * 移动端通用样式
 * 路径：/assets/css/mobile.css
 */

@media (max-width: 768px) {
    /* 容器调整 */
    .container {
        flex-direction: column;
    }
    
    /* 主内容区调整 */
    .main-content {
        margin-left: 0;
        padding: 15px;
        width: 100%;
    }
    
    /* 统计卡片优化 */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .stat-card {
        padding: 12px;
    }
    
    .stat-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    .stat-info .number {
        font-size: 20px;
    }
    
    /* 卡片优化 */
    .card {
        padding: 12px;
        margin-bottom: 12px;
    }
    
    .card-header {
        padding-bottom: 10px;
        margin-bottom: 10px;
        flex-wrap: wrap;
    }
    
    .card-header h3 {
        font-size: 16px;
    }
    
    /* 表格优化 */
    .table-responsive {
        margin: 0 -5px;
        padding: 0 5px;
        -webkit-overflow-scrolling: touch;
    }
    
    table {
        min-width: 600px;
    }
    
    table th,
    table td {
        padding: 8px 10px;
        font-size: 12px;
        white-space: nowrap;
    }
    
    /* 按钮优化 */
    .btn {
        padding: 8px 12px;
        font-size: 13px;
        min-height: 40px;
    }
    
    .btn-sm {
        padding: 5px 8px;
        font-size: 11px;
    }
    
    /* 表单优化 */
    .form-group {
        margin-bottom: 12px;
    }
    
    .form-control {
        padding: 10px 12px;
        font-size: 14px;
        min-height: 44px;
    }
    
    /* 搜索框优化 */
    .search-box {
        flex-direction: column;
        gap: 8px;
    }
    
    .search-box input,
    .search-box button,
    .search-box a {
        width: 100%;
    }
    
    /* 分页优化 */
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
        gap: 5px;
    }
    
    .pagination a,
    .pagination span {
        padding: 8px 10px;
        font-size: 12px;
    }
    
    /* 模态框优化 */
    .modal-content {
        width: 95%;
        margin: 10px auto;
    }
    
    .modal-header {
        padding: 12px 15px;
    }
    
    .modal-body {
        padding: 15px;
    }
    
    .modal-footer {
        padding: 12px 15px;
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .modal-footer .btn {
        flex: 1;
    }
    
    /* 筛选区域优化 */
    select[name="status"],
    select[name="grade_filter"],
    select[name="range"] {
        width: 100%;
        margin-bottom: 5px;
        min-height: 44px;
    }
    
    .filter-row {
        flex-direction: column;
        gap: 8px;
    }
    
    /* 工具类 */
    .desktop-only {
        display: none;
    }
    
    .mobile-only {
        display: block;
    }
    
    .flex {
        flex-wrap: wrap;
    }
    
    .gap-10,
    .gap-20 {
        gap: 8px;
    }
}

/* 超小屏幕优化 */
@media (max-width: 374px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .badge {
        padding: 3px 6px;
        font-size: 10px;
    }
}