:root{color-scheme:light dark;--bg:#fff;--fg:#111;--muted:#555}
@media (prefers-color-scheme:dark){:root{--bg:#0c0c0c;--fg:#f2f2f2;--muted:#a1a1a6}}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
main{max-width:640px;margin:0 auto;padding:48px 16px}
h1{font-size:1.6rem;line-height:1.25;margin:0 0 16px}
li{margin:8px 0;color:var(--fg)}
p{color:var(--fg)}