:root{--bg:#f4f1e8;--fg:#1d1f1a;--muted:#5c5f55;--card:#fff;--accent:#3d5a3a;--line:#d9d4c5}
@media (prefers-color-scheme:dark){:root{--bg:#141612;--fg:#e8e6dd;--muted:#a3a597;--card:#1e211b;--accent:#9cc28f;--line:#33372e}}
*{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:32px 16px 64px}
header{display:flex;align-items:center;gap:16px;margin-bottom:24px}
header img{width:72px;height:72px;border-radius:16px;image-rendering:pixelated}
h1{font-size:28px;margin:0}
h2{font-size:20px;margin:32px 0 8px}
p.sub{margin:0;color:var(--muted)}
a{color:var(--accent)}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin:16px 0}
nav{margin-top:40px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
nav a{margin-right:16px}