:root {
    /* Default is dark */
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #111111;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #808080;
    --border-color: #333333;
    --accent-color: #7676ff;
    --accent-hover: #9898ff;
    --sidebar-bg: #000000;
    --sidebar-text: #a0a0a0;
    --sidebar-active: #7676ff;
    --card-bg: #0a0a0a;
    --card-border: #222222;
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --code-bg: #111111;
    --code-text: #e0e0e0;
    --step-bg: #0d1117;
    --step-border: #7676ff;
}

[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f6f8fa;
    --bg-tertiary: #e1e4e8;
    --text-primary: #24292e;
    --text-secondary: #586069;
    --text-muted: #6a737d;
    --border-color: #e1e4e8;
    --accent-color: #7676ff;
    --accent-hover: #5858ff;
    --sidebar-bg: #ffffff;
    --sidebar-text: #586069;
    --sidebar-active: #7676ff;
    --card-bg: #f6f8fa;
    --card-border: #e1e4e8;
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --code-bg: #f6f8fa;
    --code-text: #24292e;
    --step-bg: #f6f8fa;
    --step-border: #7676ff;
}

[data-theme="dark"] {
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #111111;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #808080;
    --border-color: #333333;
    --accent-color: #7676ff;
    --accent-hover: #9898ff;
    --sidebar-bg: #000000;
    --sidebar-text: #a0a0a0;
    --sidebar-active: #7676ff;
    --card-bg: #0a0a0a;
    --card-border: #222222;
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    --code-bg: #111111;
    --code-text: #e0e0e0;
    --step-bg: #0d1117;
    --step-border: #7676ff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

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

.logo-img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    object-fit: cover;
}

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

.sidebar-nav {
    flex: 1;
    padding: 16px 0;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 24px;
}

.nav-section-title {
    padding: 8px 24px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.nav-list {
    list-style: none;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 8px 24px;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

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

.nav-item.active > .nav-link {
    color: var(--sidebar-active);
    background-color: var(--bg-secondary);
    border-left-color: var(--accent-color);
    font-weight: 500;
}

.nav-item.has-children > .nav-link {
    position: relative;
}

.nav-item.has-children > .nav-link::after {
    content: '';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid var(--text-muted);
    transition: transform 0.2s ease;
}

.nav-sublist {
    list-style: none;
    padding-left: 24px;
    display: none;
}

.nav-item.has-children:hover .nav-sublist {
    display: block;
}

.nav-sublink {
    display: block;
    padding: 6px 24px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.2s ease;
}

.nav-sublink:hover {
    color: var(--text-primary);
}

.sidebar-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
}

.footer-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--accent-color);
}

.footer-link svg {
    flex-shrink: 0;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.top-bar {
    height: 64px;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
}

.breadcrumb-section {
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 500;
    letter-spacing: 0.5px;
}

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

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

.top-bar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Search Container */
.search-container {
    position: relative;
}

#globalSearch {
    width: 200px;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.2s ease;
}

#globalSearch:focus {
    outline: none;
    border-color: var(--accent-color);
    width: 280px;
}

#globalSearch::placeholder {
    color: var(--text-muted);
}

.search-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    max-height: 300px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
}

.search-result-item {
    display: block;
    padding: 10px 16px;
    color: var(--text-primary);
    text-decoration: none;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.15s ease;
}

.search-result-item:hover {
    background: var(--bg-tertiary);
    color: var(--accent-color);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-no-results {
    padding: 16px;
    color: var(--text-muted);
    text-align: center;
}

.theme-toggle {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.theme-toggle:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* GitBook-style Search Trigger Button */
.search-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-muted);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.search-trigger:hover {
    border-color: var(--accent-color);
    color: var(--text-primary);
}

.search-trigger kbd {
    padding: 2px 6px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 11px;
    font-family: monospace;
}

/* GitBook-style Search Modal */
.search-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: flex-start;
    justify-content: center;
    padding-top: 10vh;
}

.search-modal.active {
    display: flex;
}

.search-modal-content {
    width: 100%;
    max-width: 600px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.search-modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.search-input-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.search-icon {
    color: var(--text-muted);
    flex-shrink: 0;
}

#searchInput {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 16px;
    outline: none;
}

#searchInput::placeholder {
    color: var(--text-muted);
}

.close-search-btn {
    padding: 4px 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-muted);
    font-size: 12px;
    cursor: pointer;
}

.search-modal-body {
    max-height: 400px;
    overflow-y: auto;
}

.search-results-list {
    padding: 8px 0;
}

.search-result-group {
    padding: 8px 16px;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.search-result-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--text-primary);
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: all 0.15s ease;
}

.search-result-item:hover {
    background: var(--bg-secondary);
    border-left-color: var(--accent-color);
}

.search-result-item-title {
    font-weight: 500;
}

.search-result-item-breadcrumb {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.search-no-results {
    padding: 40px 20px;
    text-align: center;
    color: var(--text-muted);
}

.moon-icon {
    display: none;
}

[data-theme="dark"] .sun-icon {
    display: none;
}

[data-theme="dark"] .moon-icon {
    display: block;
}

.github-link {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
}

.github-link:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* Content Area */
.content-area {
    flex: 1;
    background-color: var(--bg-primary);
}

.content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 48px 32px;
}

.page-header {
    margin-bottom: 48px;
}

.header-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.page-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.page-description {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    line-height: 1.6;
}

/* API Section */
.api-section {
    margin-bottom: 64px;
}

.section-title {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.api-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px;
}

.api-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: var(--card-shadow);
}

.api-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}

.card-icon {
    width: 48px;
    height: 48px;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    flex-shrink: 0;
}

.card-content {
    flex: 1;
    min-width: 0;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.card-description {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.card-arrow {
    color: var(--text-muted);
    transition: color 0.2s ease;
}

.api-card:hover .card-arrow {
    color: var(--accent-color);
}

/* Documentation Section */
.doc-section {
    margin-bottom: 64px;
}

.step-card {
    display: flex;
    gap: 20px;
    padding: 24px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 16px;
}

.step-number {
    width: 40px;
    height: 40px;
    background-color: var(--step-bg);
    border: 2px solid var(--step-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--accent-color);
    font-size: 16px;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.step-content p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 12px;
}

.code-block {
    background-color: var(--code-bg);
    border-radius: 6px;
    padding: 16px;
    overflow-x: auto;
}

.code-block code {
    font-family: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
    font-size: 13px;
    color: var(--code-text);
    line-height: 1.6;
}

/* Footer */
.page-footer {
    margin-top: 80px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-secondary);
}

.footer-powered {
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-brand {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
}

.footer-brand:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .content-wrapper {
        padding: 32px 20px;
    }
    
    .api-grid {
        grid-template-columns: 1fr;
    }
    
    .page-title {
        font-size: 32px;
    }
}

/* Warning Box */
.warning-box {
    display: flex;
    gap: 16px;
    padding: 20px;
    background-color: #1a1500;
    border: 1px solid #ffb800;
    border-radius: 8px;
    margin: 24px 0;
}

.warning-icon {
    width: 48px;
    height: 48px;
    background-color: #ffb800;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000000;
    flex-shrink: 0;
}

.warning-content h4 {
    font-size: 16px;
    font-weight: 600;
    color: #ffb800;
    margin-bottom: 8px;
}

.warning-content p {
    color: #b0b0b0;
    font-size: 14px;
    margin-bottom: 8px;
    line-height: 1.6;
}

.warning-content ul {
    list-style: none;
    padding: 0;
    margin: 12px 0 0 0;
}

.warning-content li {
    color: #808080;
    font-size: 13px;
    padding: 4px 0;
    padding-left: 16px;
    position: relative;
}

.warning-content li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #ffb800;
}

.warning-content strong {
    color: #ffb800;
}

/* Video Container */
.video-container {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    overflow: hidden;
    margin: 16px 0;
}

.video-container video {
    display: block;
    width: 100%;
    max-height: 500px;
    background-color: #000;
}