/* ============================================================
   V-AIR-SIM H5响应式优化样式
   移动端适配、触摸优化、响应式布局
   ============================================================ */

/* ========== 基础响应式调整 ========== */
@media (max-width: 768px) {
    /* 容器边距调整 */
    .container {
        padding-left: 12px;
        padding-right: 12px;
    }
    
    /* 卡片内边距 */
    .card {
        padding: 16px !important;
        margin-bottom: 16px;
    }
    
    .card-body {
        padding: 16px;
    }
    
    /* 页面标题 */
    .page-title {
        font-size: 1.3rem;
        margin: 16px 0;
    }
    
    /* 按钮最小触摸尺寸 */
    .btn {
        min-height: 44px;
        min-width: 44px;
        padding: 10px 16px;
        font-size: 0.95rem;
    }
    
    .btn-sm {
        min-height: 36px;
        padding: 6px 12px;
        font-size: 0.85rem;
    }
    
    /* 表单控件 */
    .form-control,
    .form-select {
        min-height: 44px;
        padding: 10px 12px;
        font-size: 16px; /* 防止iOS自动缩放 */
    }
    
    /* 表格响应式 */
    .table-responsive {
        -webkit-overflow-scrolling: touch;
    }
    
    .table {
        font-size: 0.85rem;
    }
    
    .table th,
    .table td {
        padding: 8px;
        white-space: nowrap;
    }
    
    /* 导航栏优化 */
    .navbar {
        padding: 8px 0;
    }
    
    .navbar-brand {
        font-size: 1.1rem;
    }
    
    .navbar-nav {
        padding-top: 8px;
    }
    
    .nav-link {
        padding: 12px 16px !important;
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    /* 下拉菜单 */
    .dropdown-menu {
        font-size: 0.9rem;
    }
    
    .dropdown-item {
        padding: 12px 16px;
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    /* 统计卡片网格 */
    .stats-grid,
    .row.g-3,
    .row.g-4 {
        --bs-gutter-x: 12px;
        --bs-gutter-y: 12px;
    }
    
    /* 徽章和标签 */
    .badge {
        font-size: 0.75rem;
        padding: 4px 8px;
    }
    
    /* 分页 */
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .page-link {
        min-width: 40px;
        min-height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* ========== 小屏幕手机优化 ========== */
@media (max-width: 480px) {
    /* 隐藏次要内容 */
    .hide-mobile {
        display: none !important;
    }
    
    /* 标题字号 */
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.3rem; }
    h3 { font-size: 1.15rem; }
    h4 { font-size: 1.05rem; }
    
    /* 卡片堆叠 */
    .card-header {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 8px;
    }
    
    /* 按钮全宽 */
    .btn-block-mobile {
        display: block;
        width: 100%;
    }
    
    /* 表单标签 */
    .form-label {
        font-size: 0.9rem;
        margin-bottom: 6px;
    }
    
    /* 表格字体更小 */
    .table {
        font-size: 0.8rem;
    }
    
    .table th,
    .table td {
        padding: 6px;
    }
}

/* ========== 触摸优化 ========== */
/* 移除点击高亮 */
* {
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
}

/* 可点击元素的触摸反馈 */
a, button, .btn, .nav-link, .dropdown-item, .page-link {
    touch-action: manipulation;
    -webkit-user-select: none;
    user-select: none;
}

/* 文本可选择 */
p, span, td, th, input, textarea {
    -webkit-user-select: text;
    user-select: text;
}

/* 按钮按下效果 */
.btn:active,
.btn:focus {
    transform: scale(0.98);
    transition: transform 0.1s;
}

/* ========== 导航栏移动端优化 ========== */
.navbar-toggler {
    min-width: 44px;
    min-height: 44px;
    border: none;
    padding: 8px;
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-collapse {
    transition: all 0.3s ease;
}

/* 移动端导航背景 */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: var(--color-main);
        padding: 16px;
        border-radius: 0 0 8px 8px;
        margin-top: 8px;
    }
    
    .navbar-nav .nav-item {
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .navbar-nav .nav-item:last-child {
        border-bottom: none;
    }
}

/* ========== 表格卡片化（移动端） ========== */
@media (max-width: 576px) {
    .table-card-mobile thead {
        display: none;
    }
    
    .table-card-mobile tr {
        display: block;
        margin-bottom: 16px;
        border: 1px solid #ddd;
        border-radius: 8px;
        padding: 12px;
        background: #fff;
    }
    
    .table-card-mobile td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 8px 0;
        border-bottom: 1px solid #f0f0f0;
        white-space: normal;
    }
    
    .table-card-mobile td:last-child {
        border-bottom: none;
    }
    
    .table-card-mobile td::before {
        content: attr(data-label);
        font-weight: bold;
        color: #666;
        margin-right: 12px;
    }
}

/* ========== 动画和过渡 ========== */
.card {
    transition: box-shadow 0.3s ease, transform 0.2s ease;
}

.card:hover {
    box-shadow: 0 4px 16px rgba(0,64,128,0.12);
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* ========== 加载动画 ========== */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--color-main);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ========== 安全提示样式 ========== */
.security-banner {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 12px 16px;
    margin-bottom: 16px;
    border-radius: 4px;
}

/* ========== 打印优化 ========== */
@media print {
    .navbar, .footer, .btn, .no-print {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
        break-inside: avoid;
    }
}

/* ========== 高对比度模式支持 ========== */
@media (prefers-contrast: high) {
    .card {
        border: 2px solid #333;
    }
    
    .btn {
        border: 2px solid currentColor;
    }
}

/* ========== 减少动画模式 ========== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ============================================================
   移动端深度优化（2026-09-16新增）
   ============================================================ */

/* ========== 小屏幕手机（<=480px）========== */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding-left: 10px;
        padding-right: 10px;
    }
    
    h1 { font-size: 1.5rem !important; }
    h2 { font-size: 1.3rem !important; }
    h3 { font-size: 1.15rem !important; }
    h4 { font-size: 1.05rem !important; }
    
    .card {
        padding: 12px !important;
        border-radius: 12px !important;
    }
    
    .card-body {
        padding: 12px !important;
    }
    
    .btn {
        min-height: 42px;
        padding: 8px 14px;
        font-size: 0.9rem;
    }
    
    /* 表格强制横向滚动 */
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        border: 1px solid rgba(102, 217, 255, 0.15);
        border-radius: 8px;
        margin-bottom: 12px;
    }
    
    .table-responsive::after {
        content: "→ 横向滑动查看更多";
        display: block;
        text-align: center;
        font-size: 0.75rem;
        color: #a0c4d9;
        padding: 6px;
        background: rgba(102, 217, 255, 0.05);
    }
    
    .table {
        font-size: 0.8rem;
        min-width: 600px;
    }
    
    .table th,
    .table td {
        padding: 6px 8px;
        white-space: nowrap;
    }
    
    /* 导航栏移动端 */
    .navbar-brand {
        font-size: 1rem !important;
    }
    
    .navbar-toggler {
        padding: 6px 10px;
    }
    
    .dropdown-menu {
        position: static !important;
        width: 100%;
        border: none;
        box-shadow: none;
        background: transparent !important;
    }
    
    .dropdown-item {
        padding: 10px 16px !important;
        color: #ffffff !important;
    }
    
    /* 表单 */
    .form-control,
    .form-select {
        font-size: 16px !important;
        min-height: 42px;
    }
    
    .form-label {
        font-size: 0.9rem;
        margin-bottom: 4px;
    }
    
    /* 模态框 */
    .modal-dialog {
        margin: 10px;
    }
    
    .modal-content {
        border-radius: 12px;
    }
    
    .modal-header {
        padding: 12px 16px;
    }
    
    .modal-body {
        padding: 16px;
    }
    
    .modal-footer {
        padding: 12px 16px;
    }
    
    /* 分页 */
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .page-link {
        padding: 6px 10px;
        font-size: 0.85rem;
    }
    
    /* 徽章 */
    .badge {
        font-size: 0.7rem;
        padding: 3px 6px;
    }
    
    /* 列表组 */
    .list-group-item {
        padding: 10px 12px;
    }
    
    /* 隐藏非关键元素 */
    .hide-mobile {
        display: none !important;
    }
    
    /* 文字截断 */
    .text-truncate-mobile {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}

/* ========== 中等屏幕手机（481px-768px）========== */
@media (min-width: 481px) and (max-width: 768px) {
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .table {
        min-width: 500px;
    }
}

/* ========== 触摸优化（所有移动端）========== */
@media (hover: none) and (pointer: coarse) {
    /* 移除hover效果，改用active */
    .btn:hover,
    .card:hover,
    .list-group-item:hover,
    .dropdown-item:hover {
        transform: none !important;
        box-shadow: none !important;
    }
    
    .btn:active {
        transform: scale(0.97);
        opacity: 0.8;
    }
    
    /* 增大点击区域 */
    .nav-link,
    .dropdown-item,
    .page-link {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    /* 禁用双击缩放 */
    * {
        touch-action: manipulation;
    }
}

/* ========== 安全区域适配（刘海屏）========== */
@supports (padding: max(0px)) {
    .navbar {
        padding-left: max(12px, env(safe-area-inset-left));
        padding-right: max(12px, env(safe-area-inset-right));
    }
    
    footer {
        padding-left: max(12px, env(safe-area-inset-left));
        padding-right: max(12px, env(safe-area-inset-right));
        padding-bottom: max(12px, env(safe-area-inset-bottom));
    }
    
    .container {
        padding-left: max(12px, env(safe-area-inset-left));
        padding-right: max(12px, env(safe-area-inset-right));
    }
}

/* ========== 性能优化 ========== */
/* 减少移动端动画 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* 低性能设备优化 */
@media (max-width: 768px) {
    .ds-hero-glow,
    .ds-hero-grid,
    .ds-radar {
        display: none !important;
    }
    
    .ds-hero {
        min-height: auto !important;
        padding: 60px 0 !important;
    }
}

/* ============================================================
   移动端导航栏错位强制修复（2026-09-16）
   ============================================================ */
@media (max-width: 991.98px) {
    /* 导航栏容器：允许换行 */
    .navbar {
        flex-wrap: wrap !important;
        align-items: center !important;
        padding: 8px 12px !important;
    }
    
    /* 品牌和汉堡按钮：同一行，两端对齐 */
    .navbar > .container,
    .navbar > .container-fluid {
        flex-wrap: wrap !important;
        justify-content: space-between !important;
        width: 100% !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
    }
    
    .navbar-brand {
        flex: 1 !important;
        margin-right: 0 !important;
        font-size: 1rem !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
    }
    
    .navbar-toggler {
        flex-shrink: 0 !important;
        margin-left: 8px !important;
        padding: 6px 10px !important;
    }
    
    /* 折叠菜单：占满整行，显示在下方 */
    .navbar-collapse {
        flex-basis: 100% !important;
        flex-grow: 1 !important;
        width: 100% !important;
        order: 3 !important;
        margin-top: 8px !important;
        padding-top: 8px !important;
        border-top: 1px solid rgba(102, 217, 255, 0.15) !important;
    }
    
    .navbar-collapse.collapse:not(.show) {
        display: none !important;
    }
    
    .navbar-collapse.collapse.show {
        display: block !important;
    }
    
    /* 导航菜单：垂直排列，全宽 */
    .navbar-nav {
        flex-direction: column !important;
        width: 100% !important;
        margin: 0 !important;
    }
    
    .navbar-nav .nav-item {
        width: 100% !important;
    }
    
    .navbar-nav .nav-link {
        display: block !important;
        width: 100% !important;
        padding: 12px 16px !important;
        min-height: 44px !important;
        border-bottom: 1px solid rgba(102, 217, 255, 0.08) !important;
    }
    
    /* 下拉菜单：全宽展开 */
    .navbar-nav .dropdown {
        width: 100% !important;
    }
    
    .navbar-nav .dropdown-menu {
        position: static !important;
        width: 100% !important;
        float: none !important;
        margin: 0 !important;
        padding: 0 !important;
        border: none !important;
        box-shadow: none !important;
        background: rgba(102, 217, 255, 0.05) !important;
    }
    
    .navbar-nav .dropdown-menu .dropdown-item {
        padding: 10px 24px !important;
        min-height: 40px !important;
        display: flex !important;
        align-items: center !important;
        border-bottom: 1px solid rgba(102, 217, 255, 0.05) !important;
    }
    
    /* 右侧导航（登录/注册/用户信息） */
    .navbar-nav.ms-auto,
    .navbar-nav:not(.me-auto) {
        margin-top: 8px !important;
        padding-top: 8px !important;
        border-top: 1px solid rgba(102, 217, 255, 0.15) !important;
    }
}

/* 小屏幕进一步优化 */
@media (max-width: 480px) {
    .navbar-brand {
        font-size: 0.9rem !important;
        max-width: 70% !important;
    }
    
    .navbar-nav .nav-link {
        padding: 10px 12px !important;
        font-size: 0.95rem !important;
    }
    
    .navbar-nav .dropdown-menu .dropdown-item {
        padding: 8px 20px !important;
        font-size: 0.9rem !important;
    }
}