:root{--bg:#1E1B4B;--card:rgba(255,255,255,.06);--text:#EEF2FF;--muted:#A5B4FC;--line:rgba(255,255,255,.14);--green:#34D399}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(900px 520px at 88% -8%,rgba(79,70,229,.2),transparent 60%),linear-gradient(180deg,#1E1B4B,#191640);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;line-height:1.6;min-height:100vh}
a{color:var(--green);text-decoration:none}a:hover{text-decoration:underline}
header{position:sticky;top:0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;align-items:center;padding:14px 24px;border-bottom:1px solid var(--line);background:rgba(30,27,75,.82);backdrop-filter:blur(12px);z-index:5}
.brand{font-weight:800;font-size:18px;color:var(--text)}.brand span{color:var(--green)}
header nav a{color:var(--muted);font-weight:700;font-size:14px;margin-left:16px}
.wrap{max-width:1040px;margin:0 auto;padding:28px 24px;display:grid;grid-template-columns:220px 1fr;gap:30px;align-items:start}
aside{position:sticky;top:84px;border:1px solid var(--line);background:var(--card);border-radius:14px;padding:10px;display:grid;gap:2px}
aside a{padding:8px 12px;border-radius:9px;color:var(--muted);font-weight:650;font-size:14px}aside a:hover{background:rgba(52,211,153,.1);color:var(--text);text-decoration:none}
main{min-width:0;border:1px solid var(--line);background:var(--card);border-radius:14px;padding:30px 34px}
h1{font-size:clamp(28px,4vw,40px);letter-spacing:-.02em;margin:0 0 4px}h2{font-size:23px;margin:28px 0 0}h3{font-size:18px;margin:20px 0 0}
p,li{color:#cdd6ee}
code{background:rgba(52,211,153,.08);border:1px solid rgba(52,211,153,.2);color:#6EE7B7;border-radius:6px;padding:.06rem .35rem;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.92em}
pre{position:relative;background:#0F172A;border:1px solid var(--line);border-radius:12px;padding:18px;overflow:auto}pre code{background:none;border:0;color:#E0E7FF;padding:0}
.copy-btn{position:absolute;top:10px;right:10px;font-size:11px;font-weight:800;color:#0F172A;background:var(--green);border:0;border-radius:999px;padding:5px 11px;cursor:pointer;opacity:.6}.copy-btn:hover,.copy-btn:focus-visible{opacity:1}
footer{max-width:1040px;margin:0 auto;padding:24px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
@media(max-width:760px){.wrap{grid-template-columns:1fr}aside{position:static}}