:root{--bg:#fafaf9;--fg:#1c1917;--muted:#57534e;--accent:#65a30d}
@media (prefers-color-scheme:dark){:root{--bg:#0c0a09;--fg:#f5f5f4;--muted:#a8a29e;--accent:#a3e635}}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
main{max-width:720px;margin:0 auto;padding:48px 16px 80px}
h1{font-size:2rem;line-height:1.2;margin:0 0 4px}h2{font-size:1.15rem;margin:32px 0 8px}
.muted{color:var(--muted)}a{color:var(--accent)}ul{padding-left:20px}
nav{display:flex;gap:16px;margin-bottom:32px;font-size:.95rem}