:root{--bg:#fafaf9;--fg:#1c1917;--muted:#78716c;--line:#e7e5e4;--card:#ffffff;--accent:#2563eb;--code:#f5f5f4}
@media (prefers-color-scheme:dark){:root{--bg:#0c0a09;--fg:#f5f5f4;--muted:#a8a29e;--line:#292524;--card:#1c1917;--accent:#60a5fa;--code:#1c1917}}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--fg);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1040px;margin:0 auto;padding:0 24px}
header{border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:650;letter-spacing:-.01em;display:flex;align-items:center;gap:10px}
.logo i{width:22px;height:22px;border-radius:6px;background:var(--fg);display:inline-block;position:relative}
.logo i:after{content:"";position:absolute;inset:6px 5px;border-left:2px solid var(--bg);border-right:2px solid var(--bg)}
nav{display:flex;gap:28px;font-size:14px;color:var(--muted)}
nav a:hover{color:var(--fg)}
.btn{display:inline-block;padding:10px 18px;border-radius:999px;font-size:14px;font-weight:550;border:1px solid var(--line)}
.btn.dark{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.hero{padding:96px 0 72px}
.tag{display:inline-block;font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:4px 12px;margin-bottom:28px}
h1{font-size:clamp(36px,6vw,60px);line-height:1.05;letter-spacing:-.03em;font-weight:650;max-width:760px}
.lead{font-size:19px;color:var(--muted);max-width:620px;margin:24px 0 36px}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;padding:24px 0 72px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px}
.card h3{font-size:16px;font-weight:600;margin-bottom:8px}
.card p{font-size:14px;color:var(--muted)}
pre{background:var(--code);border:1px solid var(--line);border-radius:12px;padding:20px;overflow-x:auto;font:13px/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
section h2{font-size:28px;letter-spacing:-.02em;font-weight:620;margin-bottom:16px}
.split{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;align-items:center;padding:24px 0 96px}
@media (max-width:760px){.split{grid-template-columns:1fr}nav{display:none}}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:13px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:28px 24px}
.doc{display:grid;grid-template-columns:200px 1fr;gap:48px;padding:56px 24px 96px}
.doc aside{font-size:14px;color:var(--muted);position:sticky;top:24px;align-self:start}
.doc aside a{display:block;padding:4px 0}
.doc h1{font-size:36px;margin-bottom:12px}
.doc h2{font-size:22px;margin:40px 0 12px}
.doc p,.doc li{color:var(--muted);margin-bottom:12px}
.doc ul{padding-left:20px}
code{font:13px ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:var(--code);border:1px solid var(--line);border-radius:6px;padding:1px 6px}
pre code{border:0;padding:0;background:none}
table{width:100%;border-collapse:collapse;font-size:14px;margin:8px 0 16px}
td,th{border-bottom:1px solid var(--line);padding:10px 8px;text-align:left}
th{font-weight:600}
@media (max-width:760px){.doc{grid-template-columns:1fr}.doc aside{display:none}}
.auth{min-height:calc(100vh - 65px);display:flex;align-items:center;justify-content:center;padding:48px 24px}
.box{width:100%;max-width:380px;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:36px}
.box h1{font-size:24px;margin-bottom:6px}
.box p{font-size:14px;color:var(--muted);margin-bottom:24px}
label{display:block;font-size:13px;font-weight:550;margin:14px 0 6px}
input{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--muted);font-size:14px}
.box .btn{width:100%;margin-top:22px;text-align:center;opacity:.55;cursor:not-allowed}
.note{margin-top:20px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:16px}