/**
 * 文档样式表
 * 
 * @package ZhutiTu
 */

/* ============================================================
   全局变量映射 (Tokens Mapping)
   ============================================================ */
:root {
    --doc-sidebar-width: 240px;
    --doc-max-width: 1100px;
    --doc-gap: 32px;
    --doc-text-main: var(--text-main);
    --doc-text-sub: var(--text-muted);
    --doc-primary: var(--primary);
    --doc-primary-light: var(--color-primary-light);
    --doc-surface: #ffffff;
    --doc-border: var(--border-color);
}

/* ============================================================
   背景装饰 (Ambient Light)
   ============================================================ */
.ambient-light {
    position: fixed;
    top: -100px;
    right: -100px;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, rgba(255,255,255,0) 70%);
    z-index: 0;
    pointer-events: none;
    opacity: 0.8;
}

/* ============================================================
   布局框架
   ============================================================ */
.docs-container {
    max-width: var(--doc-max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: var(--doc-sidebar-width) 1fr;
    gap: var(--doc-gap);
    position: relative;
    z-index: 1;
    min-height: 80vh;
    padding-top: 40px;
}

/* ============================================================
   侧边栏 (Sidebar)
   ============================================================ */
.docs-sidebar {
    position: sticky;
    height: fit-content;
    overflow-y: auto;
    background: var(--card-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    padding: 24px;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

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

/* 品牌/返回区 */
.sidebar-header {
    margin-bottom: 24px;
    border-bottom: 1px solid var(--doc-border);
    padding-bottom: 16px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--doc-text-sub);
    margin-bottom: 16px;
    transition: color 0.2s;
    font-weight: 500;
    text-decoration: none;
}

.back-link:hover {
    color: var(--doc-primary);
}

.back-link i { font-size: 0.8em; }

.brand {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--doc-text-main);
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.01em;
    margin-bottom: 16px;
}

.brand i {
    color: var(--doc-primary);
    font-size: 1.2rem;
}

.product-link {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--doc-primary);
    background: var(--doc-primary-light);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.product-link:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    background: var(--doc-primary);
    color: white;
}

/* 导航链接 */
.docs-nav .nav-title {
    font-size: 0.75rem;
    color: var(--doc-text-sub);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
    padding-left: 12px;
    margin-top: 24px;
}

.docs-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.docs-nav li {
    margin-bottom: 2px;
}

.docs-nav a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    color: var(--doc-text-sub);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.docs-nav a i {
    font-size: 0.75rem;
    opacity: 0.7;
}

.docs-nav a:hover {
    color: var(--doc-text-main);
    background-color: var(--color-bg-muted);
}

.docs-nav a.active {
    background-color: var(--doc-primary-light);
    color: var(--doc-primary);
    font-weight: 600;
}

.docs-nav a.active i {
    opacity: 1;
}

/* ============================================================
   主内容区域
   ============================================================ */
.docs-content {
    min-width: 0;
}

/* 右侧内容卡片化 */
.doc-article {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    padding: 36px;
    margin-bottom: 40px;
}

/* ============================================================
   Markdown 内容排版 (Typography)
   ============================================================ */
.markdown-body {
    font-family: var(--font-sans);
    color: var(--doc-text-main);
    font-size: 1rem;
    line-height: 1.75;
}

/* 标题 */
.markdown-body h1 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    line-height: 1.3;
    color: var(--doc-text-main);
    background: linear-gradient(135deg, var(--doc-text-main) 0%, #475569 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    padding-bottom: 12px;
}

.markdown-body h1::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--doc-primary), transparent);
    border-radius: 4px;
}

.markdown-body h2 {
    font-size: 1.4rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
    position: relative;
    font-weight: 700;
    color: var(--doc-text-main);
    padding-bottom: 8px;
    border-bottom: 1px solid var(--doc-border);
}

.markdown-body h2::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--doc-primary);
    border-radius: 2px;
}

.markdown-body h3 {
    font-size: 1.15rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 700;
    color: var(--doc-text-main);
    display: flex;
    align-items: center;
}

.markdown-body h3::before {
    content: '';
    width: 4px;
    height: 16px;
    background: var(--doc-primary-light);
    margin-right: 8px;
    border-radius: 2px;
}

.markdown-body p {
    margin-bottom: 1.5rem;
    color: var(--doc-text-sub);
}

/* 链接 */
.markdown-body a {
    color: var(--doc-primary);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid rgba(37, 99, 235, 0.2);
    transition: all 0.2s;
}

.markdown-body a:hover {
    border-bottom-color: var(--doc-primary);
    background: rgba(37, 99, 235, 0.05);
    border-radius: 2px;
}

/* 列表 */
.markdown-body ul, 
.markdown-body ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    color: var(--doc-text-sub);
}
.markdown-body ul {
    list-style-type: disc;
}
.markdown-body ol {
    list-style-type: decimal;
}
.markdown-body li {
    margin-bottom: 0.5rem;
}

/* 引用块 (Callout 风格) */
.markdown-body blockquote {
    background: linear-gradient(to right, #f8fafc, #fff);
    border-left: 4px solid var(--doc-primary);
    padding: 1.25rem 1.5rem;
    border-radius: 0 8px 8px 0;
    margin: 2rem 0;
    color: var(--doc-text-sub);
    font-style: normal;
}
.markdown-body blockquote p:last-child {
    margin-bottom: 0;
}

/* 代码块 (Clean Style) */
.markdown-body pre {
    background: #0f172a;
    border-radius: 12px;
    margin: 2rem 0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    overflow-x: auto;
}

.markdown-body code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    color: #e2e8f0;
    background: transparent;
    padding: 0;
}

/* 行内代码 */
.markdown-body p code,
.markdown-body li code {
    background: rgba(15, 23, 42, 0.05);
    color: var(--doc-primary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.85em;
    font-weight: 500;
}

/* 表格 */
.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    font-size: 0.95rem;
}

.markdown-body th {
    text-align: left;
    padding-bottom: 1rem;
    color: var(--doc-text-sub);
    font-size: 0.85rem;
    font-weight: 600;
    border-bottom: 2px solid var(--doc-border);
}

.markdown-body td {
    padding: 1rem 0;
    border-bottom: 1px solid var(--doc-border);
    color: var(--doc-text-main);
}

.markdown-body tr:last-child td {
    border-bottom: none;
}

/* 图片 */
.markdown-body img {
    max-width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
    margin: 2rem 0;
}

/* ============================================================
   Grid Cards 样式 (Markdown HTML 支持)
   若文档中包含 <div class="grid-cards">...</div>
   ============================================================ */
.grid-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

.card {
    background: #f8fafc;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid transparent;
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    background: #fff;
    border-color: var(--doc-primary-light);
    box-shadow: 0 10px 30px -10px rgba(37, 99, 235, 0.15);
    transform: translateY(-2px);
}

.card h3 {
    font-size: 1.1rem;
    margin-top: 0;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--doc-text-main);
}

.card p {
    font-size: 0.9rem;
    margin-bottom: 0;
    color: var(--doc-text-sub);
}

/* ============================================================
   底部导航 (Pagination)
   ============================================================ */
.doc-pagination {
    margin-top: 80px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.doc-pagination a {
    display: flex;
    flex-direction: column;
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--doc-border);
    background: #fff;
    text-decoration: none;
    transition: all 0.2s ease;
}

.doc-pagination a:hover {
    border-color: var(--doc-primary);
    box-shadow: 0 10px 20px -5px rgba(37, 99, 235, 0.1);
    transform: translateY(-2px);
}

.doc-pagination .label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--doc-text-sub);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
}

.doc-pagination .title {
    font-weight: 700;
    color: var(--doc-text-main);
    font-size: 1rem;
}

.doc-pagination a:hover .title {
    color: var(--doc-primary);
}

.prev-doc.disabled,
.next-doc.disabled {
    visibility: hidden;
}

/* ============================================================
   响应式适配
   ============================================================ */
@media (max-width: 1024px) {
    .docs-container {
        grid-template-columns: 1fr;
        gap: 20px;
        padding-top: 15px;
    }
    .doc-article {
        padding: 24px;
        margin-bottom: 20px;
    }
    
    /* 侧边栏改为右下角浮动菜单 (Floating Vertical Menu) */
    .docs-sidebar {
        display: block;
        position: fixed;
        bottom: 90px;
        right: 24px;
        width: auto;
        max-height: 60vh;
        
        background: var(--card-bg);
        z-index: 1001;
        border-radius: 16px;
        
        transform: scale(0.95) translateY(10px);
        opacity: 0;
        pointer-events: none;
        
        transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
        transform-origin: bottom right;
        box-shadow: 0 4px 20px rgba(0,0,0,0.15);
        
        margin: 0;
        padding: 0;
        overflow: hidden;
        display: flex;
        flex-direction: column;
    }
    
    .docs-sidebar.mobile-open {
        transform: scale(1) translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    
    /* 移动端隐藏顶部品牌区 */
    .docs-sidebar .sidebar-header {
        display: none;
    }
    
    /* 调整导航区容器 */
    .docs-sidebar .docs-nav {
        flex: 1;
        overflow-y: auto;
        padding: 8px;
    }

    /* 移动端目录标题 */
    .docs-nav .nav-title {
        margin-top: 4px;
        margin-bottom: 6px;
        font-size: 0.85rem;
        color: var(--doc-text-sub);
        padding: 0 8px 6px 8px;
        border-bottom: 1px solid var(--doc-border);
        text-align: left;
    }

    /* 列表项更加紧凑 */
    .docs-nav a {
        padding: 6px 10px;
        font-size: 0.85rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        display: block;
    }
    
    /* 移动端 FAB 按钮 */
    .mobile-doc-fab {
        display: flex;
        align-items: center;
        justify-content: center;
        position: fixed;
        right: 24px;
        bottom: 30px;
        width: 56px;
        height: 56px;
        border-radius: 50%;
        background: var(--doc-primary);
        color: white;
        border: none;
        box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
        z-index: 1000;
        cursor: pointer;
        font-size: 1.25rem;
        transition: all 0.2s;
    }
    
    .mobile-doc-fab:active {
        transform: scale(0.95);
    }
    
    /* 遮罩层 (透明化，保留点击关闭功能) */
    .mobile-doc-overlay {
        position: fixed;
        inset: 0;
        background: transparent;
        z-index: 1000;
        display: none;
    }
    
    .mobile-doc-overlay.active {
        display: block;
    }

    /* 移动端标题字号优化 */
    .markdown-body h1 {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }
    .markdown-body h1::after {
        width: 50px;
        height: 3px;
    }
    
    .markdown-body h2 {
        font-size: 1.2rem;
        margin-top: 1.5rem;
        padding-bottom: 6px;
    }
    
    .markdown-body h3 {
        font-size: 1.05rem;
        margin-top: 1.25rem;
    }
    
    .grid-cards {
        grid-template-columns: 1fr;
    }
}
/* Desktop hide */
@media (min-width: 1025px) {
    .mobile-doc-fab,
    .mobile-doc-overlay {
        display: none;
    }
}