:root {
    --bg-primary: #0a0a1a;
    --bg-secondary: #0d1117;
    --bg-surface: #161b22;
    --bg-elevated: #1c2333;
    --accent: #7c3aed;
    --accent-hover: #6d28d9;
    --accent-light: #a78bfa;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: #1e293b;
    --code-bg: #0d1117;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --gradient-start: #1a0a2e;
    --gradient-end: #0a1628;
    --sidebar-width: 280px;
    --max-content-width: 960px;
    --radius: 8px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: system-ui, -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    display: flex;
    min-height: 100vh;
}

nav#sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    background: linear-gradient(180deg, var(--gradient-start), var(--gradient-end));
    border-right: 1px solid var(--border);
    padding: 1.5rem 0;
    overflow-y: auto;
    z-index: 100;
}

nav#sidebar .logo {
    padding: 0 1.5rem 1.5rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1rem;
}

nav#sidebar .logo a {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

nav#sidebar .logo a span.accent { color: var(--accent-light); }

nav#sidebar .nav-section {
    padding: 0.5rem 1.5rem;
}

nav#sidebar .nav-section h3 {
    color: var(--text-muted);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 1rem 0 0.5rem;
    font-weight: 600;
}

nav#sidebar .nav-section a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    font-size: 0.875rem;
    transition: all 0.15s ease;
}

nav#sidebar .nav-section a:hover {
    color: var(--text-primary);
    background: var(--bg-surface);
}

nav#sidebar .nav-section a.active {
    color: var(--accent-light);
    background: rgba(124, 58, 237, 0.15);
    font-weight: 500;
}

main {
    margin-left: var(--sidebar-width);
    width: calc(100% - var(--sidebar-width));
    padding: 2rem 3rem;
    max-width: calc(var(--sidebar-width) + var(--max-content-width));
}

main.docs-index {
    max-width: 1200px;
    margin-left: var(--sidebar-width);
    width: calc(100% - var(--sidebar-width));
}

h1 { font-size: 2.25rem; margin-bottom: 1rem; color: var(--text-primary); }
h2 { font-size: 1.75rem; margin: 2rem 0 1rem; color: var(--text-primary); border-bottom: 1px solid var(--border); padding-bottom: 0.5rem; }
h3 { font-size: 1.25rem; margin: 1.5rem 0 0.75rem; color: var(--text-primary); }
h4 { font-size: 1rem; margin: 1rem 0 0.5rem; color: var(--text-secondary); }

p { margin: 0.75rem 0; color: var(--text-secondary); }

a { color: var(--accent-light); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
    font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    background: var(--code-bg);
    padding: 0.15em 0.4em;
    border-radius: 4px;
    font-size: 0.875em;
    color: var(--accent-light);
}

pre {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    overflow-x: auto;
    margin: 1rem 0;
    font-size: 0.85rem;
    line-height: 1.6;
}

pre code {
    background: none;
    padding: 0;
    color: var(--text-primary);
}

.hljs-keyword { color: #ff79c6; }
.hljs-string { color: #50fa7b; }
.hljs-comment { color: #6272a4; }
.hljs-function { color: #8be9fd; }
.hljs-type { color: #ffb86c; }
.hljs-number { color: #bd93f9; }

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    background: var(--bg-surface);
    border-radius: var(--radius);
    overflow: hidden;
}

th, td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th { background: var(--bg-elevated); font-weight: 600; color: var(--text-primary); font-size: 0.85rem; }
td { color: var(--text-secondary); font-size: 0.85rem; }

.hero {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: var(--radius);
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    border: 1px solid var(--border);
}

.hero h1 { font-size: 2.75rem; margin-bottom: 0.5rem; border: none; }
.hero p { font-size: 1.15rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto 1.5rem; }
.hero .cta { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-hover); text-decoration: none; }
.btn-secondary { background: var(--bg-surface); color: var(--text-primary); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--bg-elevated); text-decoration: none; }

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: border-color 0.2s ease;
}

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

.card h3 { margin-top: 0; font-size: 1.1rem; }
.card p { font-size: 0.875rem; margin-bottom: 1rem; }
.card .card-link { color: var(--accent-light); font-size: 0.85rem; font-weight: 500; }

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.feature {
    text-align: center;
    padding: 1.5rem;
}

.feature .icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.feature h4 { color: var(--text-primary); }
.feature p { font-size: 0.85rem; }

.note {
    background: rgba(124, 58, 237, 0.1);
    border-left: 3px solid var(--accent);
    padding: 1rem 1.25rem;
    border-radius: 0 var(--radius) var(--radius) 0;
    margin: 1rem 0;
}

.warning {
    background: rgba(245, 158, 11, 0.1);
    border-left: 3px solid var(--warning);
    padding: 1rem 1.25rem;
    border-radius: 0 var(--radius) var(--radius) 0;
    margin: 1rem 0;
}

/* Search */
#search-container { position: relative; margin-bottom: 1.5rem; }
#search-input {
    width: 100%;
    padding: 0.65rem 1rem;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
}
#search-input:focus { border-color: var(--accent); }
#search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 0 0 var(--radius) var(--radius);
    max-height: 300px;
    overflow-y: auto;
    z-index: 50;
    display: none;
}
#search-results a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
}
#search-results a:hover, #search-results a.focused { background: var(--bg-surface); color: var(--text-primary); }

.mobile-toggle {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 200;
    background: var(--accent);
    color: white;
    border: none;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    cursor: pointer;
}

@media (max-width: 768px) {
    nav#sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    nav#sidebar.open { transform: translateX(0); }
    main {
        margin-left: 0;
        width: 100%;
        padding: 1rem;
    }
    .mobile-toggle { display: block; }
    .hero h1 { font-size: 2rem; }
}