/**
 * PayPal管理系统移动端响应式优化
 * 专门解决手机端适配问题
 */

/* =================================================
   移动端表格优化 - 卡片模式替代横向滚动表格
   ================================================= */

/* 在移动端隐藏传统表格，显示卡片式布局 */
@media (max-width: 768px) {
    /* 隐藏传统表格 */
    .table-responsive table {
        display: none;
    }
    
    /* 显示移动端卡片容器 */
    .mobile-card-container {
        display: block !important;
    }
    
    /* 移动端卡片样式 */
    .mobile-data-card {
        background: white;
        border: 1px solid #e9ecef;
        border-radius: 8px;
        margin-bottom: 12px;
        padding: 16px;
        box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    }
    
    .mobile-data-card .card-header {
        font-weight: 600;
        font-size: 1.1rem;
        color: #495057;
        margin-bottom: 12px;
        padding-bottom: 8px;
        border-bottom: 1px solid #e9ecef;
    }
    
    .mobile-data-card .card-row {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 6px 0;
        border-bottom: 1px solid #f8f9fa;
    }
    
    .mobile-data-card .card-row:last-child {
        border-bottom: none;
        margin-top: 12px;
        padding-top: 12px;
    }
    
    .mobile-data-card .card-label {
        font-weight: 500;
        color: #6c757d;
        font-size: 0.9rem;
        min-width: 80px;
    }
    
    .mobile-data-card .card-value {
        text-align: right;
        flex: 1;
        font-size: 0.95rem;
    }
    
    .mobile-data-card .card-actions {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
        justify-content: flex-end;
    }
    
    .mobile-data-card .btn {
        min-width: 70px;
        padding: 8px 12px;
        font-size: 0.85rem;
    }
}

/* 默认隐藏移动端卡片 */
@media (min-width: 769px) {
    .mobile-card-container {
        display: none !important;
    }
}

/* =================================================
   账户卡片移动端优化（支付宝账户管理等）
   ================================================= */

@media (max-width: 768px) {
    /* 账户卡片在移动端垂直堆叠 */
    .account-summary-card .row {
        flex-direction: column;
        text-align: left !important;
    }
    
    .account-summary-card .col-md-1,
    .account-summary-card .col-md-2 {
        width: 100%;
        max-width: 100%;
        flex: 0 0 auto;
        margin-bottom: 12px;
        padding: 8px 12px;
        border-bottom: 1px solid #f8f9fa;
    }
    
    .account-summary-card .col-md-1:last-child,
    .account-summary-card .col-md-2:last-child {
        border-bottom: none;
        margin-bottom: 0;
    }
    
    /* 为每个字段添加标签 */
    .account-summary-card [class*="col-md-"]:before {
        content: attr(data-label);
        font-weight: 600;
        color: #6c757d;
        font-size: 0.85rem;
        display: block;
        margin-bottom: 4px;
    }
    
    /* 操作按钮优化 */
    .account-summary-card .btn-group {
        width: 100%;
        display: flex;
    }
    
    .account-summary-card .btn-group .btn {
        flex: 1;
        min-height: 44px; /* 更大的点击区域 */
        margin: 0 4px;
    }
}

/* =================================================
   导航和搜索栏移动端优化
   ================================================= */

@media (max-width: 768px) {
    /* 顶部导航优化 */
    .top-navbar {
        padding: 12px;
    }
    
    .top-navbar .d-flex {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    /* 菜单按钮在移动端优化 */
    .top-navbar .gap-2 {
        gap: 0.5rem !important;
    }
    
    /* 页面标题在移动端缩小 */
    #pageTitle {
        font-size: 1rem;
    }
    
    /* 按钮在移动端稍微缩小以节省空间 */
    .top-navbar .btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
    }
    
    /* 搜索栏移动端优化 */
    .search-filters-row {
        flex-direction: column !important;
        gap: 12px;
    }
    
    .search-filters-row .col-md-3,
    .search-filters-row .col-md-4,
    .search-filters-row .col-md-6 {
        width: 100%;
        max-width: 100%;
    }
    
    /* 搜索按钮优化 */
    .search-filters-row .btn {
        width: 100%;
        min-height: 44px;
        margin-bottom: 8px;
        font-size: 1rem;
    }
    
    /* 搜索表单优化 */
    .search-filters-row .form-control,
    .search-filters-row .form-select {
        min-height: 44px;
        font-size: 1rem;
    }
}

/* =================================================
   侧边栏移动端优化
   ================================================= */

/* 侧边栏遮罩 - 精确禁用，保护正常侧边栏功能 */
.sidebar-overlay {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

/* 确保移动端也不显示遮罩，但保护正常侧边栏 */
@media (max-width: 768px) {
    /* 只禁用遮罩，不影响正常的.sidebar */
    .sidebar-overlay {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        pointer-events: none !important;
    }
    
    .sidebar-overlay.show {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        pointer-events: none !important;
    }
    
    /* 确保正常的侧边栏在移动端仍然可用 */
    .sidebar {
        display: block;
        visibility: visible;
        pointer-events: auto;
    }
    
    /* 确保菜单按钮正常工作 */
    #sidebarToggle {
        display: inline-block !important;
        visibility: visible !important;
        pointer-events: auto !important;
    }
}
    
    /* 侧边栏移动端样式 */
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        z-index: 1050;
        width: 280px;
        max-width: 85vw;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    /* 侧边栏菜单项优化 */
    .sidebar .nav-link {
        padding: 16px 20px;
        font-size: 1rem;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    /* 菜单切换按钮优化 */
    #sidebarToggle {
        min-width: 44px;
        min-height: 44px;
        border-radius: 8px;
    }
}

/* =================================================
   表单和模态框移动端优化
   ================================================= */

@media (max-width: 768px) {
    /* 模态框优化 */
    .modal-dialog {
        margin: 20px 16px;
        max-width: calc(100vw - 32px);
    }
    
    .modal-body {
        padding: 20px 16px;
    }
    
    /* 表单字段优化 */
    .form-control,
    .form-select {
        min-height: 44px;
        font-size: 1rem;
        padding: 12px 16px;
    }
    
    .form-label {
        font-weight: 600;
        margin-bottom: 8px;
        font-size: 0.95rem;
    }
    
    /* 按钮优化 */
    .btn {
        min-height: 44px;
        padding: 12px 20px;
        font-size: 1rem;
    }
    
    .btn-sm {
        min-height: 38px;
        padding: 8px 16px;
        font-size: 0.9rem;
    }
    
    /* 按钮组优化 */
    .btn-group {
        width: 100%;
    }
    
    .btn-group .btn {
        flex: 1;
    }
}

/* =================================================
   统计卡片移动端优化
   ================================================= */

@media (max-width: 768px) {
    .stats-card {
        margin-bottom: 16px;
        padding: 20px 16px;
    }
    
    .stats-number {
        font-size: 1.8rem;
    }
    
    .stats-label {
        font-size: 0.9rem;
    }
    
    /* 统计卡片网格 */
    .stats-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    
    .stats-grid.single-column {
        grid-template-columns: 1fr;
    }
}

/* =================================================
   分页移动端优化
   ================================================= */

@media (max-width: 768px) {
    .pagination {
        justify-content: center;
        flex-wrap: wrap;
        margin: 20px 0;
    }
    
    .pagination .page-link {
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 2px;
        border-radius: 8px;
    }
    
    /* 分页信息优化 */
    .pagination-info {
        text-align: center;
        font-size: 0.9rem;
        color: #6c757d;
        margin: 12px 0;
    }
}

/* =================================================
   加载状态和提示优化
   ================================================= */

@media (max-width: 768px) {
    /* 加载指示器 */
    .spinner-border {
        width: 2rem;
        height: 2rem;
    }
    
    .loading-text {
        font-size: 1rem;
        margin-top: 12px;
    }
    
    /* 空状态优化 */
    .empty-state {
        text-align: center;
        padding: 40px 20px;
    }
    
    .empty-state i {
        font-size: 3rem !important;
        margin-bottom: 16px;
    }
    
    .empty-state h5 {
        font-size: 1.2rem;
        margin-bottom: 12px;
    }
    
    .empty-state p {
        font-size: 0.95rem;
        line-height: 1.5;
    }
}

/* =================================================
   通用移动端优化
   ================================================= */

@media (max-width: 768px) {
    /* 内容区域优化 */
    .content-area {
        padding: 16px 12px;
    }
    
    /* 卡片间距优化 */
    .card {
        margin-bottom: 16px;
        border-radius: 12px;
    }
    
    .card-body {
        padding: 16px;
    }
    
    /* 文字大小优化 */
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.3rem; }
    h4 { font-size: 1.1rem; }
    h5 { font-size: 1rem; }
    
    /* 减少无效空白 */
    .mb-4 { margin-bottom: 1.5rem !important; }
    .mb-3 { margin-bottom: 1rem !important; }
    .py-4 { padding-top: 1.5rem !important; padding-bottom: 1.5rem !important; }
    .py-3 { padding-top: 1rem !important; padding-bottom: 1rem !important; }
}

/* =================================================
   触摸优化
   ================================================= */

@media (max-width: 768px) {
    /* 所有可点击元素的最小触摸目标 */
    .btn,
    .nav-link,
    .dropdown-item,
    .page-link,
    .badge,
    .alert .btn-close {
        min-height: 44px;
        min-width: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    /* 表格内按钮特殊处理 */
    .table .btn {
        min-height: 38px;
        min-width: 60px;
    }
}

/* =================================================
   移动端专用辅助类
   ================================================= */

/* 移动端隐藏/显示 */
@media (max-width: 768px) {
    .mobile-hidden { display: none !important; }
    .mobile-only { display: block !important; }
}

@media (min-width: 769px) {
    .mobile-only { display: none !important; }
    .desktop-only { display: block !important; }
}

/* 移动端文本对齐 */
@media (max-width: 768px) {
    .mobile-center { text-align: center !important; }
    .mobile-left { text-align: left !important; }
    .mobile-right { text-align: right !important; }
}

/* 移动端边距调整 */
@media (max-width: 768px) {
    .mobile-mt-0 { margin-top: 0 !important; }
    .mobile-mb-0 { margin-bottom: 0 !important; }
    .mobile-p-2 { padding: 0.5rem !important; }
    .mobile-p-3 { padding: 1rem !important; }
}