:root{--bg:#ffffff;--card:#ffffff;--muted:#475569;--fg:#0f172a;--accent:#2563eb;--accent2:#7c3aed;--border:rgba(15,23,42,.12)}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu;background:var(--bg);color:var(--fg)}
a{color:var(--accent);text-decoration:none}
a:hover{color:#1e40af}
.container{max-width:100%;margin:0 auto;padding:0 20px 64px}
.layout{display:grid;grid-template-columns:260px 1fr 240px;gap:24px;align-items:start;padding:28px 0;max-width:100%;margin:0 auto}
.sidebar{position:sticky;top:20px}
.sidecard{padding:16px}
.side-title{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 8px}
.side a{display:block;padding:8px 10px;border-radius:8px;color:#0f172a;transition:all 0.2s ease}
.side a:hover{background:rgba(2,6,23,.05);color:#111827}
.side a.active{background:linear-gradient(135deg,rgba(37,99,235,.12),rgba(124,58,237,.12));color:#1e3a8a;font-weight:600;border-left:3px solid var(--accent)}
.search{margin-bottom:10px}
.search input{width:100%;padding:8px 10px;border-radius:8px;border:1px solid var(--border);background:rgba(255,255,255,.04);color:var(--fg)}
.nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.brand{display:flex;gap:10px;align-items:center}
.logo{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 2px 10px rgba(0,0,0,.15);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.logo svg{width:20px;height:20px;z-index:1}
.logo::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,rgba(255,255,255,.2),rgba(255,255,255,.05));pointer-events:none}
.brand h1{font-size:20px;margin:0}
.links a{margin-left:14px}
.toggle{cursor:pointer;border:1px solid var(--border);padding:8px 10px;border-radius:10px}
.grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:0 1px 2px rgba(0,0,0,.06),0 8px 24px rgba(0,0,0,.04);overflow:hidden}
.p-28{padding:28px}
.eyebrow{color:var(--muted);letter-spacing:.14em;text-transform:uppercase;font-size:12px}
.title{font-size:34px;margin:8px 0 12px}
.subtitle{color:#334155;margin:0 0 18px}
.cta{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap}
.btn{padding:10px 14px;border-radius:10px;border:1px solid var(--border);display:inline-flex;gap:8px;align-items:center}
.btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;border:none}
.code{padding:18px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;overflow:auto}
pre{max-width:100%;overflow:auto}
pre{margin:0;white-space:pre}
.codeblock{position:relative}
.copy{position:absolute;top:10px;right:10px;background:rgba(255,255,255,.08);color:#e9ecff;border:1px solid var(--border);border-radius:8px;padding:6px 10px;font-size:12px;cursor:pointer}
.copy:hover{background:rgba(255,255,255,.14)}
.callout{border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:10px;padding:12px 14px;background:rgba(255,255,255,.04);margin:12px 0}
.callout.warn{border-left-color:#ffb86b}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}
.feature{padding:16px}
.docs{margin-top:28px}
.toc{position:sticky;top:20px}
.toc .side-title{margin-bottom:6px}
.toc a{display:block;padding:6px 8px;border-radius:8px;color:#334155}
.toc a.level-2{padding-left:8px}
.toc a.level-3{padding-left:18px;font-size:13px}
.toc a.active{background:rgba(37,99,235,.12);color:#1e3a8a}
.footer{opacity:.7;margin-top:36px;font-size:13px;color:#475569}
@media (max-width:1100px){.layout{grid-template-columns:1fr}.sidebar,.toc{position:relative;height:auto}.sidecard{max-height:360px;}}
@media (max-width:900px){.grid{grid-template-columns:1fr}.features{grid-template-columns:1fr}}