/**
 * 移动端优化样式表
 * 针对移动设备的响应式设计和触摸优化
 */

/* ========== 基础移动端优化 ========== */

/* 小屏幕设备 (手机) - 最大宽度 768px */
@media (max-width: 768px) {
    /* 全局字体和间距优化 */
    body {
        font-size: 14px;
        overflow-x: hidden;
    }
    
    /* 容器优化 */
    .container {
        width: 95%;
        padding: 0 10px;
        margin: 1rem auto;
    }
    
    /* 页面标题优化 */
    .page-title {
        font-size: 1.5rem !important;
        margin-bottom: 1rem !important;
        line-height: 1.3;
        padding: 0 10px;
    }
    
    .page-subtitle {
        font-size: 0.9rem !important;
        margin-bottom: 1.5rem !important;
        padding: 0 10px;
        line-height: 1.4;
    }
    
    /* 头部导航优化 */
    .header {
        padding: 12px 0;
        position: sticky;
        top: 0;
        z-index: 1000;
        background-color: #ffffff;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    }
    
    .header-content {
        padding: 0 15px;
    }
    
    .logo {
        height: 45px !important;
    }
    
    /* 导航菜单移动端优化 */
    .menu-toggle {
        display: block;
        font-size: 1.8rem;
        padding: 8px;
        color: #333;
        background: none;
        border: none;
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
    }
    
    .nav-list {
        position: fixed;
        top: 70px;
        right: 0;
        left: 0;
        background-color: #ffffff !important;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
        border-radius: 0 0 12px 12px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-in-out;
        z-index: 999;
    }
    
    .nav-menu.active .nav-list {
        max-height: 500px;
        padding: 15px;
    }
    
    .nav-list li {
        margin: 0;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .nav-list li:last-child {
        border-bottom: none;
    }
    
    .nav-list li a {
        display: block;
        padding: 15px 10px;
        font-size: 16px;
        color: #333 !important;
        text-decoration: none;
        transition: background-color 0.2s;
    }
    
    .nav-list li a:active {
        background-color: #f5f5f5;
    }
    
    /* Tab 标签页优化 */
    .tab-container {
        flex-direction: column;
        gap: 10px;
        margin-bottom: 1.5rem;
    }
    
    .tab {
        width: 100%;
        max-width: none;
        padding: 15px 20px;
        font-size: 15px;
        border-radius: 10px;
        justify-content: center;
        min-height: 50px;
        -webkit-tap-highlight-color: transparent;
    }
    
    .tab i {
        font-size: 18px;
        margin-right: 8px;
    }
    
    /* 内容区域优化 */
    .content {
        padding: 1.2rem !important;
        border-radius: 12px;
        margin-bottom: 1rem;
    }
    
    /* 输入框和搜索框优化 */
    .input-group,
    .search-container {
        flex-direction: column;
        gap: 12px;
    }
    
    .input-group input,
    .search-container input,
    #imageInput {
        width: 100% !important;
        padding: 14px 16px !important;
        font-size: 16px !important; /* 防止 iOS 自动缩放 */
        border-radius: 10px !important;
        min-height: 48px; /* 增加触摸目标大小 */
    }
    
    .input-group button,
    .search-container button {
        width: 100% !important;
        padding: 14px 20px !important;
        font-size: 16px !important;
        min-height: 48px;
        border-radius: 10px !important;
        -webkit-tap-highlight-color: transparent;
    }
    
    /* 按钮优化 - 增加触摸目标 */
    button, .btn {
        min-height: 44px; /* iOS 推荐的最小触摸目标 */
        padding: 12px 20px;
        font-size: 15px;
        -webkit-tap-highlight-color: transparent;
    }
    
    /* Registry 选择器优化 */
    .registry-tabs {
        gap: 8px;
        padding: 10px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    
    .registry-tabs::-webkit-scrollbar {
        display: none;
    }
    
    .registry-tab {
        padding: 10px 16px;
        font-size: 13px;
        white-space: nowrap;
        flex-shrink: 0;
        min-height: 44px;
        -webkit-tap-highlight-color: transparent;
    }
    
    /* 搜索结果优化 */
    #searchResults {
        grid-template-columns: 1fr !important;
        gap: 15px;
    }
    
    .search-result-item {
        padding: 16px !important;
        border-radius: 12px;
    }
    
    .search-result-item h3 {
        font-size: 16px !important;
        line-height: 1.4;
    }
    
    .search-result-item p {
        font-size: 13px;
        line-height: 1.5;
    }
    
    /* 命令显示区域优化 */
    .command-box,
    .command-display {
        padding: 12px;
        font-size: 13px;
        border-radius: 10px;
        word-break: break-all;
    }
    
    .command-box pre,
    .command-display pre {
        font-size: 12px !important;
        line-height: 1.6;
        white-space: pre-wrap;
        word-wrap: break-word;
    }
    
    /* 复制按钮优化 */
    .copy-btn,
    .copy-button {
        padding: 10px 16px !important;
        font-size: 14px !important;
        min-height: 44px;
        border-radius: 8px;
        -webkit-tap-highlight-color: transparent;
    }
    
    /* 标签表格优化 */
    .tag-table {
        font-size: 13px;
        overflow-x: auto;
        display: block;
        -webkit-overflow-scrolling: touch;
    }
    
    .tag-table thead,
    .tag-table tbody,
    .tag-table tr {
        display: block;
    }
    
    .tag-table thead {
        display: none; /* 在移动端隐藏表头 */
    }
    
    .tag-table tr {
        margin-bottom: 15px;
        border: 1px solid #e5e7eb;
        border-radius: 10px;
        padding: 12px;
        background: white;
    }
    
    .tag-table td {
        display: flex;
        justify-content: space-between;
        padding: 8px 0 !important;
        border: none !important;
        text-align: left !important;
    }
    
    .tag-table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: #64748b;
        margin-right: 10px;
    }
    
    /* 隐藏某些不重要的列 */
    .tag-table td:nth-child(3),
    .tag-table td:nth-child(4) {
        font-size: 12px;
        color: #64748b;
    }
    
    /* 文档列表优化 */
    #documentList {
        padding: 12px;
        max-height: 300px;
    }
    
    #documentationText {
        padding: 16px !important;
    }
    
    #documentationText h1 {
        font-size: 1.4rem !important;
    }
    
    #documentationText h2 {
        font-size: 1.2rem !important;
    }
    
    #documentationText h3 {
        font-size: 1.05rem !important;
    }
    
    #documentationText pre {
        font-size: 12px !important;
        padding: 12px !important;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    #documentationText code {
        font-size: 12px !important;
    }
    
    /* 返回顶部按钮优化 */
    .back-to-top-btn {
        bottom: 20px !important;
        right: 20px !important;
        width: 50px !important;
        height: 50px !important;
        font-size: 20px !important;
        -webkit-tap-highlight-color: transparent;
    }
    
    /* 搜索无结果优化 */
    .empty-result {
        padding: 40px 20px !important;
        margin: 15px 0 !important;
    }
    
    .empty-result .empty-icon {
        width: 60px !important;
        height: 60px !important;
        margin-bottom: 20px !important;
    }
    
    .empty-result .empty-icon i {
        font-size: 28px !important;
    }
    
    .empty-result h3 {
        font-size: 18px !important;
        margin-bottom: 10px !important;
    }
    
    .empty-result > p {
        font-size: 14px !important;
        margin-bottom: 20px !important;
    }
    
    .empty-tips {
        padding: 16px !important;
        max-width: 100% !important;
    }
    
    .empty-tips > p {
        font-size: 13px !important;
    }
    
    .empty-tips ul li {
        font-size: 13px !important;
        padding: 5px 0 !important;
    }
    
    /* 特性卡片优化 */
    .features {
        grid-template-columns: 1fr !important;
        gap: 15px;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    /* 加载指示器优化 */
    .loading-indicator {
        padding: 2rem 0;
        font-size: 1rem;
    }
}

/* ========== 超小屏幕设备优化 (小于 480px) ========== */
@media (max-width: 480px) {
    .page-title {
        font-size: 1.3rem !important;
    }
    
    .page-subtitle {
        font-size: 0.85rem !important;
    }
    
    .logo {
        height: 40px !important;
    }
    
    .tab {
        padding: 12px 16px;
        font-size: 14px;
    }
    
    .content {
        padding: 1rem !important;
    }
    
    .registry-tab {
        padding: 8px 12px;
        font-size: 12px;
    }
    
    .registry-tab span {
        display: none; /* 只显示图标 */
    }
    
    .search-result-item {
        padding: 14px !important;
    }
    
    .command-box,
    .command-display {
        font-size: 12px;
        padding: 10px;
    }
}

/* ========== 横屏模式优化 ========== */
@media (max-width: 768px) and (orientation: landscape) {
    .header {
        padding: 8px 0;
    }
    
    .logo {
        height: 35px !important;
    }
    
    .tab-container {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .tab {
        flex: 1 1 auto;
        min-width: 150px;
    }
}

/* ========== 触摸优化 ========== */
@media (hover: none) and (pointer: coarse) {
    /* 移除 hover 效果，使用 active 状态 */
    a:hover,
    button:hover,
    .btn:hover {
        transform: none;
    }
    
    a:active,
    button:active,
    .btn:active {
        opacity: 0.7;
        transform: scale(0.98);
    }
    
    /* 优化点击反馈 */
    .tab:active {
        transform: scale(0.98);
        opacity: 0.9;
    }
    
    .registry-tab:active {
        transform: scale(0.95);
    }
    
    .copy-btn:active,
    .copy-button:active {
        transform: scale(0.95);
    }
}

/* ========== iOS 特定优化 ========== */
@supports (-webkit-touch-callout: none) {
    /* iOS Safari 优化 */
    input,
    textarea,
    select {
        font-size: 16px !important; /* 防止缩放 */
    }
    
    /* 优化 iOS 滚动 */
    .nav-list,
    .registry-tabs,
    #documentationText,
    .tag-table {
        -webkit-overflow-scrolling: touch;
    }
    
    /* 移除 iOS 默认样式 */
    input,
    button,
    textarea {
        -webkit-appearance: none;
        border-radius: 10px;
    }
}

/* ========== 平板设备优化 (481px - 768px) ========== */
@media (min-width: 481px) and (max-width: 768px) {
    .container {
        width: 90%;
    }
    
    #searchResults {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 20px;
    }
    
    .tab-container {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .tab {
        flex: 1 1 calc(50% - 10px);
        min-width: 200px;
    }
}

/* ========== 中等平板优化 (769px - 992px) ========== */
@media (min-width: 769px) and (max-width: 992px) {
    .container {
        width: 92%;
    }
    
    #searchResults {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ========== 可访问性优化 ========== */
@media (max-width: 768px) {
    /* 增加焦点指示器 */
    a:focus,
    button:focus,
    input:focus,
    select:focus,
    textarea:focus {
        outline: 2px solid var(--primary-color, #3D7CF4);
        outline-offset: 2px;
    }
    
    /* 优化跳过导航链接 */
    .skip-to-content {
        position: absolute;
        top: -40px;
        left: 0;
        background: var(--primary-color, #3D7CF4);
        color: white;
        padding: 8px 16px;
        text-decoration: none;
        border-radius: 0 0 4px 0;
        z-index: 10000;
    }
    
    .skip-to-content:focus {
        top: 0;
    }
}

/* ========== 性能优化 ========== */
@media (max-width: 768px) {
    /* 减少动画以提高性能 */
    * {
        animation-duration: 0.2s !important;
        transition-duration: 0.2s !important;
    }
    
    /* 优化滚动性能 */
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* ========== 暗色模式支持 ========== */
@media (max-width: 768px) and (prefers-color-scheme: dark) {
    body {
        background-color: #1a1a1a;
        color: #e5e5e5;
    }
    
    .header {
        background-color: #2a2a2a;
        border-bottom-color: #3a3a3a;
    }
    
    .content,
    .search-result-item,
    .tag-table tr {
        background-color: #2a2a2a;
        border-color: #3a3a3a;
    }
    
    .nav-list {
        background-color: #2a2a2a;
    }
    
    .nav-list li a {
        color: #e5e5e5;
    }
    
    input,
    textarea,
    select {
        background-color: #3a3a3a;
        color: #e5e5e5;
        border-color: #4a4a4a;
    }
}