/**
 * BitCal Documentation - Unified Design System
 * GitHub Dark inspired, developer-friendly
 */

/* ============================================
   CSS Variables & Theme
   ============================================ */
:root {
    /* Color System - GitHub Dark */
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-elevated: #30363d;

    --border-primary: #30363d;
    --border-secondary: #21262d;

    --text-primary: #e6edf3;
    --text-secondary: #7d8590;
    --text-muted: #484f58;

    --accent-primary: #58a6ff;
    --accent-secondary: #f0883e;
    --accent-success: #3fb950;
    --accent-danger: #f85149;
    --accent-warning: #d29922;

    --code-bg: #161b22;
    --code-text: #e6edf3;

    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
    --font-mono: 'SF Mono', SFMono-Regular, Consolas, 'Liberation Mono', Menlo, Courier, monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;

    /* Layout */
    --sidebar-width: 280px;
    --toc-width: 240px;
    --header-height: 64px;
    --max-content-width: 900px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f6f8fa;
    --bg-tertiary: #eaeef2;
    --bg-elevated: #d0d7de;

    --border-primary: #d0d7de;
    --border-secondary: #eaeef2;

    --text-primary: #1f2328;
    --text-secondary: #656d76;
    --text-muted: #8c959f;

    --accent-primary: #0969da;
    --accent-secondary: #cf222e;

    --code-bg: #f6f8fa;
    --code-text: #1f2328;
}

/* ============================================
   Reset & Base
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: background var(--transition-normal), color var(--transition-normal);
}

a {
    color: var(--accent-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* ============================================
   Header
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
    z-index: 1000;
    display: flex;
    align-items: center;
    padding: 0 var(--space-lg);
}

.header-content {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    text-decoration: none;
}

.logo:hover {
    text-decoration: none;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: var(--accent-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    flex: 1;
    justify-content: center;
}

.header-nav a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    padding: var(--space-sm) 0;
    border-bottom: 2px solid transparent;
    transition: var(--transition-fast);
}

.header-nav a:hover {
    color: var(--text-primary);
    text-decoration: none;
    border-bottom-color: var(--border-primary);
}

.header-nav a.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent-primary);
}

.header-controls {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-primary);
    text-decoration: none;
}

.btn:hover {
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
}

.btn-primary:hover {
    background: #79c0ff;
}

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

.btn-secondary:hover {
    background: var(--bg-elevated);
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.btn-sm {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.75rem;
}

/* ============================================
   Layout - Documentation
   ============================================ */
.doc-layout {
    display: flex;
    min-height: 100vh;
    padding-top: var(--header-height);
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-primary);
    position: fixed;
    top: var(--header-height);
    bottom: 0;
    left: 0;
    overflow-y: auto;
    padding: var(--space-lg);
}

.sidebar-section {
    margin-bottom: var(--space-xl);
}

.sidebar-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
    padding: 0 var(--space-sm);
}

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

.sidebar-nav li {
    margin: 2px 0;
}

.sidebar-nav a {
    display: block;
    padding: var(--space-xs) var(--space-sm);
    color: var(--text-secondary);
    font-size: 0.875rem;
    border-radius: 6px;
    transition: var(--transition-fast);
}

.sidebar-nav a:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    text-decoration: none;
}

.sidebar-nav a.active {
    background: var(--accent-primary);
    color: white;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: var(--space-xl);
    max-width: calc(100% - var(--sidebar-width));
}

.content-wrapper {
    max-width: var(--max-content-width);
    margin: 0 auto;
}

/* Table of Contents */
.toc-sidebar {
    width: var(--toc-width);
    position: fixed;
    top: var(--header-height);
    right: 0;
    bottom: 0;
    padding: var(--space-lg);
    overflow-y: auto;
    border-left: 1px solid var(--border-primary);
    background: var(--bg-primary);
}

.toc-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

.toc-nav {
    list-style: none;
    font-size: 0.8125rem;
}

.toc-nav li {
    margin: 4px 0;
}

.toc-nav a {
    display: block;
    padding: 4px 0;
    color: var(--text-secondary);
    border-left: 2px solid transparent;
    padding-left: var(--space-sm);
}

.toc-nav a:hover {
    color: var(--text-primary);
    text-decoration: none;
    border-left-color: var(--border-primary);
}

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

.toc-nav .toc-h2 { margin-left: 0; }
.toc-nav .toc-h3 { margin-left: var(--space-sm); }
.toc-nav .toc-h4 { margin-left: calc(var(--space-sm) * 2); }

/* With TOC layout */
.with-toc .main-content {
    margin-right: var(--toc-width);
    max-width: calc(100% - var(--sidebar-width) - var(--toc-width));
}

/* ============================================
   Content Styles
   ============================================ */
.content h1 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-primary);
}

.content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-xs);
    border-bottom: 1px solid var(--border-secondary);
}

.content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: var(--space-xl);
    margin-bottom: var(--space-sm);
}

.content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
}

.content p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

.content p strong {
    color: var(--text-primary);
}

.content ul, .content ol {
    margin-bottom: var(--space-md);
    padding-left: var(--space-lg);
}

.content li {
    margin: var(--space-xs) 0;
    color: var(--text-secondary);
}

.content li::marker {
    color: var(--text-muted);
}

/* Links */
.content a {
    color: var(--accent-primary);
}

.content a:hover {
    text-decoration: underline;
}

/* Code */
.content code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background: var(--code-bg);
    padding: 0.2em 0.4em;
    border-radius: 4px;
    color: var(--accent-secondary);
}

.content pre {
    background: var(--code-bg);
    border-radius: 8px;
    padding: var(--space-md);
    overflow-x: auto;
    margin-bottom: var(--space-md);
    border: 1px solid var(--border-primary);
    position: relative;
}

.content pre code {
    background: none;
    padding: 0;
    color: var(--code-text);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* Code Block with Copy Button */
.code-block {
    position: relative;
    margin-bottom: var(--space-md);
}

.code-block pre {
    margin-bottom: 0;
}

.copy-btn {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    opacity: 0;
    transition: var(--transition-fast);
}

.code-block:hover .copy-btn {
    opacity: 1;
}

.copy-btn.copied {
    opacity: 1;
    background: var(--accent-success);
    color: white;
}

/* Tables */
.content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--space-md);
    font-size: 0.875rem;
}

.content th,
.content td {
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    border: 1px solid var(--border-primary);
}

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

.content tr:nth-child(even) {
    background: var(--bg-secondary);
}

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

/* Blockquotes */
.content blockquote {
    border-left: 4px solid var(--accent-primary);
    padding-left: var(--space-md);
    margin: var(--space-md) 0;
    color: var(--text-secondary);
    font-style: italic;
}

/* Horizontal Rule */
.content hr {
    border: none;
    border-top: 1px solid var(--border-primary);
    margin: var(--space-2xl) 0;
}

/* ============================================
   Performance Section
   ============================================ */
.performance {
    padding: var(--space-2xl) var(--space-xl);
    max-width: 800px;
    margin: 0 auto;
}

.perf-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.perf-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.perf-info {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.perf-op {
    font-size: 0.875rem;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.perf-speedup {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--accent-success);
}

.perf-bar-bg {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.perf-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-success), var(--accent-primary));
    border-radius: 4px;
    transition: width 0.6s ease;
}

.perf-note {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--space-lg);
}

/* ============================================
   Platform Matrix
   ============================================ */
.platform-matrix {
    padding: var(--space-2xl) var(--space-xl);
    max-width: 800px;
    margin: 0 auto;
}

.platform-table-wrap {
    overflow-x: auto;
}

.platform-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    overflow: hidden;
}

.platform-table th,
.platform-table td {
    padding: var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--border-primary);
}

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

.platform-table td:first-child {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.platform-table td:first-child i {
    color: var(--text-secondary);
}

.status-pass {
    color: var(--accent-success);
    font-weight: 500;
}

.status-pass i {
    margin-right: var(--space-xs);
}

.simd-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
    margin-top: var(--space-xl);
}

.simd-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
    font-family: var(--font-mono);
    color: var(--accent-primary);
}

.simd-badge.scalar {
    color: var(--text-secondary);
}

.simd-note {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--space-sm);
}

/* ============================================
   Quick Integrate CTA
   ============================================ */
.quick-integrate {
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 12px;
    text-align: center;
}

.quick-integrate-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.quick-integrate-cmd {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--bg-primary);
    padding: var(--space-sm) var(--space-md);
    border-radius: 6px;
    border: 1px solid var(--border-secondary);
}

.quick-integrate-cmd code {
    font-family: var(--font-mono);
    font-size: 0.9375rem;
    color: var(--accent-success);
}

.copy-integrate {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-xs);
    transition: var(--transition-fast);
}

.copy-integrate:hover {
    color: var(--accent-primary);
}

.quick-integrate-note {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--space-sm);
}

/* ============================================
   Homepage Specific
   ============================================ */
.hero {
    padding: var(--space-2xl) var(--space-xl);
    text-align: center;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent-success);
    margin-bottom: var(--space-lg);
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    line-height: 1.2;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-xl);
}

/* Code Preview */
.code-preview {
    max-width: 700px;
    margin: 0 auto;
    text-align: left;
    background: var(--bg-primary);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-primary);
}

.code-preview-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-primary);
}

.code-dots {
    display: flex;
    gap: 6px;
}

.code-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-dots span:nth-child(1) { background: #ff5f56; }
.code-dots span:nth-child(2) { background: #ffbd2e; }
.code-dots span:nth-child(3) { background: #27c93f; }

.code-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-left: auto;
}

.code-preview pre {
    padding: var(--space-lg);
    margin: 0;
    overflow-x: auto;
}

.code-preview code {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-primary);
}

/* Features */
.features {
    padding: var(--space-2xl) var(--space-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-header h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.section-header p {
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 12px;
    padding: var(--space-lg);
    transition: var(--transition-normal);
}

.feature-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

.feature-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Quick Links */
.quick-links {
    padding: var(--space-2xl) var(--space-xl);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-primary);
}

.quick-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.quick-link {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

.quick-link:hover {
    border-color: var(--accent-primary);
    text-decoration: none;
}

.quick-link-icon {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.quick-link-content h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.quick-link-content p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Footer */
.footer {
    padding: var(--space-xl);
    text-align: center;
    border-top: 1px solid var(--border-primary);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
}

.footer-links a:hover {
    color: var(--accent-primary);
}

/* ============================================
   Search
   ============================================ */
.search-container {
    position: relative;
    width: 100%;
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

.search-input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    padding-left: 2.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-icon {
    position: absolute;
    left: var(--space-sm);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    margin-top: var(--space-xs);
    max-height: 400px;
    overflow-y: auto;
    z-index: 100;
    display: none;
}

.search-results.active {
    display: block;
}

.search-result-item {
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--border-primary);
    cursor: pointer;
    transition: var(--transition-fast);
}

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

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

.search-result-title {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.search-result-path {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ============================================
   Utilities
   ============================================ */
.hidden { display: none !important; }

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
}

.breadcrumb a {
    color: var(--text-secondary);
}

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

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

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: var(--space-xs);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .toc-sidebar {
        display: none;
    }

    .with-toc .main-content {
        margin-right: 0;
        max-width: calc(100% - var(--sidebar-width));
    }
}

@media (max-width: 768px) {
    .header-nav {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
        z-index: 999;
    }

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

    .main-content {
        margin-left: 0;
        max-width: 100%;
        padding: var(--space-md);
    }

    .with-toc .main-content {
        max-width: 100%;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .content pre {
        margin-left: calc(-1 * var(--space-md));
        margin-right: calc(-1 * var(--space-md));
        border-radius: 0;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .header,
    .sidebar,
    .toc-sidebar,
    .btn {
        display: none !important;
    }

    .main-content {
        margin: 0;
        max-width: 100%;
        padding: 0;
    }

    body {
        background: white;
        color: black;
    }
}