/* ==================== 语雀风格知识库样式 ==================== */

/* CSS 变量 - 浅色主题 */
:root {
    --primary-color: #1890ff;
    --primary-hover: #40a9ff;
    --success-color: #52c41a;
    --warning-color: #faad14;
    --error-color: #f5222d;
    
    --bg-primary: #ffffff;
    --bg-secondary: #fafafa;
    --bg-tertiary: #f5f5f5;
    
    --text-primary: #262626;
    --text-secondary: #595959;
    --text-tertiary: #8c8c8c;
    --text-inverse: #ffffff;
    
    --border-color: #e8e8e8;
    --border-light: #f0f0f0;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    
    --navbar-height: 60px;
    --sidebar-width: 260px;
    --toc-width: 220px;
}

/* 深色主题 */
[data-theme="dark"] {
    --primary-color: #177ddc;
    --primary-hover: #3c9ae8;
    
    --bg-primary: #1f1f1f;
    --bg-secondary: #141414;
    --bg-tertiary: #2a2a2a;
    
    --text-primary: #e8e8e8;
    --text-secondary: #a6a6a6;
    --text-tertiary: #737373;
    --text-inverse: #1f1f1f;
    
    --border-color: #303030;
    --border-light: #262626;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
}

/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 
                 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-primary);
    background: var(--bg-secondary);
    transition: background 0.3s, color 0.3s;
}

/* ==================== 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);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.navbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 20px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
}

.sidebar-toggle:hover {
    color: var(--primary-color);
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 24px;
}

.navbar-center {
    flex: 1;
    max-width: 600px;
    margin: 0 24px;
}

.search-box {
    position: relative;
    width: 100%;
}

.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
}

.search-box input {
    width: 100%;
    padding: 8px 12px 8px 36px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.3s;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--bg-primary);
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.1);
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ==================== 按钮样式 ==================== */
.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--text-inverse);
}

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: var(--shadow-sm);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-text {
    background: transparent;
    color: var(--text-secondary);
}

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

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.icon-btn {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.icon-btn:hover {
    background: var(--bg-tertiary);
    color: var(--primary-color);
}

/* ==================== 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-primary);
    border-right: 1px solid var(--border-color);
    position: fixed;
    left: 0;
    top: var(--navbar-height);
    bottom: 0;
    overflow-y: auto;
    padding: 24px 0;
    transition: transform 0.3s;
}

.sidebar-header {
    padding: 0 20px 16px;
    border-bottom: 1px solid var(--border-light);
}

.sidebar-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.sidebar-nav {
    padding: 16px 0;
}

.nav-group {
    margin-bottom: 12px;
}

.nav-group-title {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 20px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-group-title i {
    font-size: 13px;
}

.nav-items {
    list-style: none;
    margin-top: 0;
}

.nav-items li {
    margin-bottom: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 20px 6px 36px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    transition: all 0.2s;
    position: relative;
}

.nav-link i {
    font-size: 14px;
    opacity: 0.6;
}

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

.nav-link.active {
    color: var(--primary-color);
    background: rgba(24, 144, 255, 0.08);
    font-weight: 500;
}

.nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary-color);
}

/* ==================== 主内容区 ==================== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    margin-right: var(--toc-width);
    padding: 32px;
    max-width: 900px;
}

.content-wrapper {
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 48px;
    box-shadow: var(--shadow-sm);
    min-height: calc(100vh - var(--navbar-height) - 64px);
}

/* ==================== 文档视图 ==================== */
.doc-header {
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-light);
}

.doc-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.4;
}

.doc-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: var(--text-tertiary);
}

.doc-meta i {
    margin-right: 4px;
}

/* ==================== Markdown 内容样式 ==================== */
.markdown-body {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-primary);
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
    margin: 32px 0 16px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-primary);
}

.markdown-body h1 {
    font-size: 28px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-light);
}

.markdown-body h2 {
    font-size: 24px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-light);
}

.markdown-body h3 {
    font-size: 20px;
}

.markdown-body h4 {
    font-size: 18px;
}

.markdown-body p {
    margin: 16px 0;
}

.markdown-body a {
    color: var(--primary-color);
    text-decoration: none;
    transition: opacity 0.2s;
}

.markdown-body a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

.markdown-body strong {
    font-weight: 600;
    color: var(--text-primary);
}

.markdown-body em {
    font-style: italic;
}

.markdown-body code {
    padding: 2px 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: 4px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9em;
    color: var(--error-color);
}

.markdown-body pre {
    margin: 16px 0;
    padding: 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow-x: auto;
}

.markdown-body pre code {
    padding: 0;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 13px;
    line-height: 1.6;
}

.markdown-body ul,
.markdown-body ol {
    margin: 16px 0;
    padding-left: 28px;
}

.markdown-body li {
    margin: 8px 0;
}

.markdown-body blockquote {
    margin: 16px 0;
    padding: 12px 20px;
    border-left: 4px solid var(--primary-color);
    background: var(--bg-tertiary);
    border-radius: 0 4px 4px 0;
    color: var(--text-secondary);
}

.markdown-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 16px 0;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: transform 0.3s;
}

.markdown-body img:hover {
    transform: scale(1.02);
}

.markdown-body video {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 16px 0;
}

.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 14px;
}

.markdown-body table th,
.markdown-body table td {
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    text-align: left;
}

.markdown-body table th {
    background: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-primary);
}

.markdown-body table tr:hover {
    background: var(--bg-secondary);
}

.markdown-body hr {
    margin: 32px 0;
    border: none;
    border-top: 1px solid var(--border-light);
}

/* ==================== 编辑器 ==================== */
.editor-container {
    display: flex;
    flex-direction: column;
    height: calc(100vh - var(--navbar-height) - 64px);
}

.editor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 16px;
}

.doc-title-input {
    flex: 1;
    font-size: 24px;
    font-weight: 600;
    border: none;
    background: transparent;
    color: var(--text-primary);
    padding: 8px 0;
}

.doc-title-input:focus {
    outline: none;
}

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

.editor-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px 8px 0 0;
    flex-wrap: wrap;
}

.toolbar-group {
    display: flex;
    gap: 4px;
}

.toolbar-btn {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.toolbar-btn:hover {
    background: var(--bg-primary);
    color: var(--primary-color);
}

.toolbar-divider {
    width: 1px;
    height: 24px;
    background: var(--border-color);
}

.toolbar-spacer {
    flex: 1;
}

.editor-main {
    flex: 1;
    display: flex;
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 8px 8px;
    overflow: hidden;
}

.editor-pane {
    flex: 1;
    display: flex;
}

#markdownEditor {
    width: 100%;
    padding: 20px;
    border: none;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.8;
    resize: none;
}

#markdownEditor:focus {
    outline: none;
}

.preview-pane {
    flex: 1;
    padding: 20px;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    overflow-y: auto;
}

/* ==================== 右侧目录 ==================== */
.toc-sidebar {
    width: var(--toc-width);
    position: fixed;
    right: 0;
    top: var(--navbar-height);
    bottom: 0;
    padding: 24px 16px;
    overflow-y: auto;
}

.toc-header {
    margin-bottom: 16px;
}

.toc-header h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

.toc-nav {
    font-size: 13px;
}

.toc-nav a {
    display: block;
    padding: 6px 0 6px 12px;
    color: var(--text-tertiary);
    text-decoration: none;
    border-left: 2px solid transparent;
    transition: all 0.2s;
}

.toc-nav a:hover {
    color: var(--primary-color);
}

.toc-nav a.active {
    color: var(--primary-color);
    border-left-color: var(--primary-color);
}

.toc-nav .toc-h3 {
    padding-left: 24px;
}

/* ==================== 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-content {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 32px;
    min-width: 400px;
    max-width: 90%;
    box-shadow: var(--shadow-lg);
}

.modal-content h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.modal-content input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 14px;
    margin-bottom: 16px;
}

.modal-content input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.1);
}

.modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* ==================== 错误页面 ==================== */
.error-page {
    text-align: center;
    padding: 80px 20px;
}

.error-icon {
    font-size: 80px;
    color: var(--text-tertiary);
    margin-bottom: 24px;
}

.error-page h1 {
    font-size: 48px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.error-page p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1200px) {
    .toc-sidebar {
        display: none;
    }
    
    .main-content {
        margin-right: 0;
    }
}

@media (max-width: 768px) {
    .sidebar-toggle {
        display: block;
    }
    
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .content-wrapper {
        padding: 24px;
    }
    
    .navbar-center {
        display: none;
    }
    
    .doc-title {
        font-size: 24px;
    }
}

/* ==================== 滚动条样式 ==================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* 折叠内容样式 */
.markdown-body details {
    margin: 16px 0;
    padding: 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-tertiary);
}

.markdown-body summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--primary-color);
    user-select: none;
    padding: 8px 0;
}

.markdown-body summary:hover {
    opacity: 0.8;
}

.markdown-body details[open] summary {
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

/* 自定义样式文本支持 */
.markdown-body span[style] {
    display: inline;
}

/* 文档导航（上一页/下一页） */
.doc-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.doc-nav-item {
    min-height: 80px;
}

.doc-nav-link {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    text-decoration: none;
    transition: all 0.2s;
    height: 100%;
}

.doc-nav-link:hover {
    border-color: var(--primary-color);
    background: var(--bg-tertiary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.doc-nav-prev .doc-nav-link {
    align-items: flex-start;
}

.doc-nav-next .doc-nav-link {
    align-items: flex-end;
    text-align: right;
}

.doc-nav-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.doc-nav-title {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
    line-height: 1.4;
}

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

/* 移动端适配 */
@media (max-width: 768px) {
    .doc-navigation {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .doc-nav-next .doc-nav-link {
        align-items: flex-start;
        text-align: left;
    }
}

/* 图片放大lightbox */
.image-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.image-lightbox.active {
    opacity: 1;
}

.image-lightbox.closing {
    opacity: 0;
}

.lightbox-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    cursor: pointer;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    z-index: 1;
    animation: zoomIn 0.3s ease;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: white;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    line-height: 1;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: rotate(90deg);
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* 文档内图片样式 */
.markdown-body img {
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    border-radius: 4px;
}

.markdown-body img:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}


/* 侧边栏间距样式 - 紧凑（默认） */
.sidebar-compact .nav-group {
    margin-bottom: 12px;
}

.sidebar-compact .nav-group-title {
    padding: 4px 20px;
    font-size: 12px;
}

.sidebar-compact .nav-group-title i {
    font-size: 13px;
}

.sidebar-compact .nav-items {
    margin-top: 0;
}

.sidebar-compact .nav-items li {
    margin-bottom: 0;
}

.sidebar-compact .nav-link {
    padding: 6px 20px 6px 36px;
    font-size: 13px;
    gap: 8px;
}

/* 侧边栏间距样式 - 正常 */
.sidebar-normal .nav-group {
    margin-bottom: 16px;
}

.sidebar-normal .nav-group-title {
    padding: 6px 20px;
    font-size: 13px;
}

.sidebar-normal .nav-group-title i {
    font-size: 14px;
}

.sidebar-normal .nav-items {
    margin-top: 2px;
}

.sidebar-normal .nav-items li {
    margin-bottom: 2px;
}

.sidebar-normal .nav-link {
    padding: 8px 20px 8px 40px;
    font-size: 14px;
    gap: 10px;
}

/* 侧边栏间距样式 - 宽松 */
.sidebar-relaxed .nav-group {
    margin-bottom: 24px;
}

.sidebar-relaxed .nav-group-title {
    padding: 8px 20px;
    font-size: 14px;
}

.sidebar-relaxed .nav-group-title i {
    font-size: 15px;
}

.sidebar-relaxed .nav-items {
    margin-top: 4px;
}

.sidebar-relaxed .nav-items li {
    margin-bottom: 4px;
}

.sidebar-relaxed .nav-link {
    padding: 10px 20px 10px 40px;
    font-size: 14px;
    gap: 12px;
}


/* 防止内容溢出 */
.markdown-body * {
    max-width: 100%;
    box-sizing: border-box;
}

.markdown-body a {
    word-break: break-all;
    overflow-wrap: break-word;
}

.markdown-body pre {
    overflow-x: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.markdown-body code {
    word-break: break-all;
    white-space: pre-wrap;
}

.markdown-body table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
}

/* 主内容区域防止溢出 */
.main-content {
    overflow-x: hidden;
}

.content-wrapper {
    max-width: 100%;
    overflow-x: hidden;
}

.document-view {
    max-width: 100%;
    overflow-x: hidden;
}