:root { --bg:#fbfbf9; --fg:#1d1d1b; --muted:#5f5f5a; --rule:#e3e2dc; --accent:#2f5d8a; }
@media (prefers-color-scheme: dark) { :root { --bg:#161615; --fg:#ecebe6; --muted:#a3a29b; --rule:#2e2d2a; --accent:#8ab4e0; } }
* { box-sizing:border-box; }
body { margin:0; background:var(--bg); color:var(--fg); font:16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
main { max-width:720px; margin:0 auto; padding:48px 16px 64px; }
header { border-bottom:1px solid var(--rule); padding-bottom:16px; margin-bottom:24px; }
header a.brand { font-weight:700; font-size:20px; color:var(--fg); text-decoration:none; }
nav a { margin-left:16px; color:var(--muted); }
nav { float:right; margin-top:4px; }
h1 { font-size:30px; line-height:1.2; margin:24px 0 8px; }
h2 { font-size:20px; margin:32px 0 8px; }
p, li { color:var(--fg); }
.muted, footer { color:var(--muted); font-size:14px; }
a { color:var(--accent); }
table { border-collapse:collapse; width:100%; margin:8px 0 16px; font-size:15px; }
th, td { text-align:left; vertical-align:top; padding:8px; border-bottom:1px solid var(--rule); }
code { font-size:13px; word-break:break-all; }
footer { border-top:1px solid var(--rule); margin-top:48px; padding-top:16px; }