:root{--bg:#fbfaf6;--fg:#1d2b27;--accent:#1f6f5c;--muted:#5d6b66}
@media (prefers-color-scheme:dark){:root{--bg:#121816;--fg:#e8eeeb;--accent:#5fc2a8;--muted:#9aaaa4}}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 system-ui,-apple-system,sans-serif}
main{max-width:42rem;margin:0 auto;padding:2rem 1rem 4rem}
a{color:var(--accent)}h1{font-size:2rem}h2{margin-top:2rem}.muted{color:var(--muted)}