:root { --bg: #0f172a; --bg-soft: #1e293b; --bg-card: #111827; --text: #e5e7eb; --muted: #94a3b8; --accent: #60a5fa; --accent-2: #a78bfa; --accent-3: #34d399; --border: #263248; --code-bg: #0b1220; --max: 1180px; --radius: 14px; --shadow: 0 10px 30px rgba(0,0,0,.35); }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); line-height: 1.65; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.site-header { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(10px); background: rgba(15,23,42,.75); border-bottom: 1px solid var(--border); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: #fff; font-size: 1.1rem; }
.brand .logo { width: 30px; height: 30px; border-radius: 8px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); display: grid; place-items: center; color: #fff; font-weight: 800; font-size: .9rem; }
.nav-links { display: flex; gap: 6px; flex-wrap: wrap; }
.nav-links a { color: var(--muted); padding: 8px 12px; border-radius: 8px; font-size: .92rem; }
.nav-links a:hover { color: #fff; background: rgba(255,255,255,.05); text-decoration: none; }
.nav-links a.active { color: #fff; background: rgba(96,165,250,.14); box-shadow: inset 0 -2px 0 var(--accent); }
.nav-toggle { display: none; background: none; border: 0; color: #fff; font-size: 1.4rem; cursor: pointer; }
.hero { padding: 80px 0 60px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); line-height: 1.15; margin: 0 0 18px; }
.hero h1 span { background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { color: var(--muted); font-size: 1.12rem; max-width: 560px; }
.badges { display: flex; gap: 8px; flex-wrap: wrap; margin: 18px 0 26px; }
.badge { font-size: .78rem; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); background: rgba(255,255,255,.03); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 18px; border-radius: 10px; font-weight: 600; font-size: .95rem; border: 1px solid transparent; cursor: pointer; }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { background: rgba(255,255,255,.05); text-decoration: none; }
.code-card { background: var(--code-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); font-family: "JetBrains Mono", ui-monospace, monospace; font-size: .88rem; overflow-x: auto; white-space: pre; }
.code-card .kw { color: #c084fc; }
.code-card .ty { color: #60a5fa; }
.code-card .str { color: #34d399; }
.code-card .cm { color: #64748b; }
.section { padding: 70px 0; }
.section.alt { background: rgba(255,255,255,.02); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-title { font-size: clamp(1.6rem, 3vw, 2.2rem); margin: 0 0 8px; }
.section-sub { color: var(--muted); max-width: 720px; margin: 0 0 40px; }
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; transition: transform .15s, border-color .15s; }
.card:hover { transform: translateY(-3px); border-color: var(--accent); }
.card h3 { margin: 0 0 8px; font-size: 1.1rem; }
.card p { color: var(--muted); margin: 0; font-size: .92rem; }
.card .icon { font-size: 1.6rem; margin-bottom: 10px; }
.feature-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.feature-list li { display: flex; gap: 10px; align-items: flex-start; color: var(--muted); }
.feature-list li::before { content: "✓"; color: var(--accent-3); font-weight: 700; }
.site-footer { border-top: 1px solid var(--border); padding: 40px 0; color: var(--muted); font-size: .9rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 24px; }
.footer-grid h4 { color: #fff; margin: 0 0 10px; font-size: .95rem; }
.footer-grid a { display: block; color: var(--muted); margin: 4px 0; }
.footer-grid a:hover { color: #fff; }
.copyright { margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--border); text-align: center; }
.doc-layout { display: grid; grid-template-columns: 260px 1fr; gap: 32px; padding: 40px 0; }
.doc-sidebar { position: sticky; top: 80px; align-self: start; }
.doc-sidebar h4 { color: #fff; margin: 0 0 8px; font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; }
.doc-sidebar ul { list-style: none; padding: 0; margin: 0 0 18px; }
.doc-sidebar li a { display: block; padding: 6px 10px; color: var(--muted); border-radius: 6px; font-size: .9rem; }
.doc-sidebar li a:hover, .doc-sidebar li a.active { color: #fff; background: rgba(255,255,255,.05); text-decoration: none; }
.doc-content { min-width: 0; }
.doc-content h1, .doc-content h2, .doc-content h3 { color: #fff; }
.doc-content h1 { font-size: 2rem; border-bottom: 1px solid var(--border); padding-bottom: 10px; }
.doc-content h2 { font-size: 1.5rem; margin-top: 2rem; }
.doc-content code { background: var(--code-bg); padding: 2px 6px; border-radius: 4px; font-size: .88em; }
.doc-content pre { background: var(--code-bg); padding: 16px; border-radius: 10px; overflow-x: auto; border: 1px solid var(--border); }
.doc-content pre code { background: transparent; padding: 0; }
.doc-content table { width: 100%; border-collapse: collapse; margin: 16px 0; }
.doc-content th, .doc-content td { border: 1px solid var(--border); padding: 8px 12px; }
.doc-content th { background: var(--bg-soft); }
.doc-content blockquote { border-left: 3px solid var(--accent); padding-left: 14px; color: var(--muted); margin: 16px 0; }
.doc-content img { max-width: 100%; }
.chart-card { background: var(--code-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 6px; box-shadow: var(--shadow); overflow-x: auto; margin: 18px 0; }
.chart-card svg { min-width: 720px; }
#lc-table table { font-size: .88rem; }
#lc-table { overflow-x: auto; }
#lc-table td:last-child { min-width: 220px; }
.chart-link { margin: 14px 0 0; font-weight: 600; }
.doc-loading { color: var(--muted); padding: 40px; text-align: center; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; } .footer-grid { grid-template-columns: 1fr 1fr; } .doc-layout { grid-template-columns: 1fr; } .doc-sidebar { position: static; } }
@media (max-width: 600px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } .footer-grid { grid-template-columns: 1fr; } .nav-links { display: none; } .nav-links.open { display: flex; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--bg); padding: 12px; border-bottom: 1px solid var(--border); } .nav-toggle { display: block; } }