:root{--bg:#fff;--fg:#1f2328;--muted:#656d76;--link:#2b59c3;--line:#e5e7eb}
@media (prefers-color-scheme:dark){:root{--bg:#0f1115;--fg:#e6e8eb;--muted:#9aa3ad;--link:#7ea2ff;--line:#262a31}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:760px;margin:0 auto;padding:40px 16px 64px}
h1{font-size:1.8rem;margin:.2em 0}
h2{font-size:1.15rem;margin-top:2em;padding-top:.6em;border-top:1px solid var(--line)}
a{color:var(--link)}
.meta,.small,.nav{color:var(--muted)}
.small{font-size:.85rem}
.nav{font-size:.9rem}