:root{--bg:#fff8f1;--ink:#2b2320;--muted:#7a6a60;--accent:#c93a4b;--card:#fff}
@media (prefers-color-scheme:dark){:root{--bg:#1d1715;--ink:#f6ece6;--muted:#b3a299;--accent:#ff7a85;--card:#2a211e}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
main{max-width:680px;margin:0 auto;padding:32px 20px 64px}
h1{font-size:2rem;margin:.2em 0 .4em}
h2{font-size:1.2rem;margin:1.8em 0 .4em}
p,li{color:var(--ink)}
.muted{color:var(--muted);font-size:.9rem}
a{color:var(--accent)}
.card{background:var(--card);border-radius:16px;padding:16px 20px;margin:16px 0}
nav a{margin-right:16px}