:root { --bg:#fff; --fg:#1a1a1f; --muted:#5b5b66; --line:#e3e3ea; --accent:#4f46e5; }
@media (prefers-color-scheme: dark) { :root { --bg:#111116; --fg:#ececf1; --muted:#a0a0ad; --line:#2a2a33; --accent:#8b86ff; } }
* { 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:720px; margin:0 auto; padding:32px 16px 64px; }
h1 { font-size:2rem; line-height:1.2; margin:0 0 4px; }
h2 { font-size:1.25rem; margin:2rem 0 .5rem; }
p, li { margin:.5rem 0; }
.meta { color:var(--muted); margin:0 0 24px; }
a { color:var(--accent); }
table { border-collapse:collapse; width:100%; margin:12px 0; font-size:.95rem; }
th, td { border:1px solid var(--line); padding:8px 10px; text-align:left; vertical-align:top; }
th { background:rgba(127,127,127,.08); }
nav, footer { color:var(--muted); font-size:.9rem; }
nav a { margin-right:16px; }
footer { margin-top:48px; border-top:1px solid var(--line); padding-top:16px; }