/* 文档阅读页面样式 */

/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 浅色主题变量 */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --accent-color: #667eea;
    --accent-hover: #5a67d8;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --sidebar-width: 280px;
    --navbar-height: 60px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

/* 深色主题变量 */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --border-color: #334155;
    --border-light: #475569;
    --accent-color: #818cf8;
    --accent-hover: #6366f1;
}

/* 深色主题下的代码块样式 */
[data-theme="dark"] .doc-content code {
    background: #374151;
    color: #f87171;
}

[data-theme="dark"] .doc-content pre {
    background: #111827;
    border-color: #4b5563;
}

[data-theme="dark"] .doc-content pre code {
    color: #f9fafb;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* 顶部导航栏 */
.top-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    padding: 0 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    width: 110px;
    height: 30px;
    margin-right: 10px;
}

.logo-text {
    display: none;  /* 隐藏logo文字 */
    /* font-weight: 600;
    color: var(--text-primary);
    font-size: 1.1rem; */
}

.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.breadcrumb-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-nav a:hover {
    color: var(--accent-color);
}

.breadcrumb-nav .separator {
    color: var(--text-muted);
}

.breadcrumb-nav .current {
    color: var(--text-primary);
    font-weight: 500;
}

.nav-right {
    display: flex;
    align-items: center;
}

.nav-actions {
    display: flex;
    gap: 8px;
}

.nav-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    text-decoration: none;
}

.nav-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* 主容器 */
.main-container {
    display: flex;
    margin-top: var(--navbar-height);
    min-height: calc(100vh - var(--navbar-height));
}

/* 侧边栏 */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.sidebar-search {
    position: relative;
}

.sidebar-search input {
    width: 100%;
    padding: 10px 35px 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.sidebar-search input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.sidebar-search i {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px 0;
}

.doc-tree {
    padding: 0 20px;
}

.tree-item {
    margin-bottom: 8px;
}

.tree-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.tree-link:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.tree-link.active {
    background: var(--accent-color);
    color: white;
}

.tree-link i {
    font-size: 0.8rem;
    width: 16px;
    text-align: center;
}

.tree-children {
    margin-left: 20px;
    margin-top: 4px;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

.doc-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* 内容区域 */
.content-area {
    flex: 1;
    background: var(--bg-primary);
    overflow-y: auto;
}

.content-header {
    padding: 30px 40px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
}

.content-title h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 15px;
    line-height: 1.2;
}

.doc-meta {
    display: flex;
    gap: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.doc-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.content-actions {
    display: flex;
    gap: 8px;
}

.action-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.action-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--accent-color);
}

.content-body {
    padding: 40px;
    max-width: 900px;
    margin: 0 auto;
}

/* 文档内容 */
[data-theme="dark"] .doc-content { color: var(--text-primary); }
[data-theme="dark"] .doc-content p,
[data-theme="dark"] .doc-content li,
[data-theme="dark"] .doc-content td,
[data-theme="dark"] .doc-content th,
[data-theme="dark"] .doc-content span,
[data-theme="dark"] .doc-content a,
[data-theme="dark"] .doc-content div { color: var(--text-secondary); }
[data-theme="dark"] .doc-content h1,
[data-theme="dark"] .doc-content h2,
[data-theme="dark"] .doc-content h3,
[data-theme="dark"] .doc-content h4,
[data-theme="dark"] .doc-content h5,
[data-theme="dark"] .doc-content h6 { color: var(--text-primary); }
[data-theme="dark"] .doc-content blockquote { color: var(--text-secondary); }
.doc-content {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-primary);
}

.doc-content h1,
.doc-content h2,
.doc-content h3,
.doc-content h4,
.doc-content h5,
.doc-content h6 {
    margin-top: 2em;
    margin-bottom: 1em;
    font-weight: 600;
    color: var(--text-primary);
}

.doc-content h1 {
    font-size: 2rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5em;
}

.doc-content h2 {
    font-size: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.3em;
}

.doc-content h3 {
    font-size: 1.25rem;
}

.doc-content p {
    margin-bottom: 1.2em;
}

.doc-content ul,
.doc-content ol {
    margin-bottom: 1.2em;
    padding-left: 1.5em;
}

.doc-content li {
    margin-bottom: 0.5em;
}

.doc-content blockquote {
    border-left: 4px solid var(--accent-color);
    padding-left: 1em;
    margin: 1.5em 0;
    background: var(--bg-secondary);
    padding: 1em;
    border-radius: var(--radius-md);
}

.doc-content code {
    background: #f3f4f6;
    color: #dc2626;
    padding: 0.2em 0.4em;
    border-radius: var(--radius-sm);
    font-size: 0.9em;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-weight: 600;
}

.doc-content pre {
    background: #2d3748;
    border: 1px solid #4a5568;
    border-radius: var(--radius-md);
    padding: 1.2em;
    overflow-x: auto;
    margin: 1.5em 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.doc-content pre code {
    background: none;
    color: #f7fafc;
    padding: 0;
    font-size: 0.95em;
    font-weight: 500;
    line-height: 1.5;
}

.doc-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.doc-content th,
.doc-content td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.doc-content th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-primary);
}

.doc-content tr:hover {
    background: var(--bg-tertiary);
}

.doc-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: 1.5em 0;
}

.doc-content a {
    color: var(--accent-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.doc-content a:hover {
    border-bottom-color: var(--accent-color);
}

/* 隐藏文档页标题与元信息区域 */
.content-header { display: none; }

/* 文档导航 */
.doc-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.nav-link:hover {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

/* 文档反馈 */
.doc-feedback {
    margin-top: 60px;
    padding: 30px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    text-align: center;
}

.feedback-question {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.feedback-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.feedback-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
}

.feedback-btn:hover {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.modal-body {
    padding: 20px;
}

.share-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 15px;
}

.share-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
}

.share-option:hover {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.share-option i {
    font-size: 1.5rem;
}

/* 全局加载指示器 */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading.show {
    display: flex;
}

.loading .loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* 加载占位符 */
.loading-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
}

.loading-placeholder .loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

.loading-placeholder p {
    color: var(--text-secondary);
    font-size: 1rem;
}

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

/* 移动端适配 */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        top: var(--navbar-height);
        left: 0;
        bottom: 0;
        z-index: 999;
        transform: translateX(-100%);
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 998;
        display: none;
    }

    .sidebar-overlay.show {
        display: block;
    }

    .content-header {
        padding: 20px;
        flex-direction: column;
        align-items: flex-start;
    }

    .content-title h1 {
        font-size: 2rem;
    }

    .doc-meta {
        flex-direction: column;
        gap: 10px;
    }

    .content-body {
        padding: 20px;
    }

    .doc-navigation {
        flex-direction: column;
        gap: 15px;
    }

    .nav-link {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 15px;
    }

    .nav-left {
        gap: 15px;
    }

    .breadcrumb-nav {
        display: none;
    }

    .content-title h1 {
        font-size: 1.5rem;
    }

    .doc-content {
        font-size: 0.9rem;
    }
}