:root { --bg:#f4ecdc; --ink:#2e2418; --muted:#7a6a55; --line:#d9ccb2; --accent:#b5651d; }
@media (prefers-color-scheme: dark) { :root { --bg:#1f1a14; --ink:#f0e6d2; --muted:#a8987f; --line:#3a3226; --accent:#e0a060; } }
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--ink); font:17px/1.7 -apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Segoe UI",sans-serif; }
main { max-width:680px; margin:0 auto; padding:56px 20px 80px; }
h1 { font-size:2rem; margin:0 0 .3em; }
h2 { font-size:1.15rem; margin:2em 0 .4em; padding-top:1em; border-top:1px solid var(--line); }
p, li { color:var(--ink); }
.muted { color:var(--muted); font-size:.9rem; }
a { color:var(--accent); }
nav { display:flex; gap:16px; margin-bottom:40px; font-size:.95rem; }
footer { margin-top:64px; color:var(--muted); font-size:.85rem; }