:root{--bg:#f7f7f5;--fg:#1b1d1f;--muted:#5c6166;--line:#dcdfe2;--accent:#c8342b}
@media (prefers-color-scheme:dark){:root{--bg:#141618;--fg:#e9eaeb;--muted:#a3a8ad;--line:#2c3034;--accent:#ff5a4e}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
main{max-width:720px;margin:0 auto;padding:40px 16px 64px}
nav{display:flex;gap:18px;flex-wrap:wrap;font-size:14px;margin-bottom:32px}
nav a{color:var(--muted);text-decoration:none}nav a:hover,nav a[aria-current]{color:var(--fg)}
h1{font-size:30px;line-height:1.2;margin:0 0 8px}h2{font-size:19px;margin:32px 0 8px}
p,li{color:var(--fg)}.muted{color:var(--muted);font-size:14px}
a{color:var(--accent)}ul{padding-left:20px}
footer{margin-top:48px;padding-top:16px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}