:root{--bg:#E6E2DA;--panel:#F2EFE9;--ink:#1E1D1B;--muted:#6F6A61;--line:#CFCAC0;--accent:#C94A14}
@media (prefers-color-scheme:dark){:root{--bg:#1B1A18;--panel:#252421;--ink:#ECE8E0;--muted:#9A958B;--line:#3A3834;--accent:#F06A2E}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif}
main{max-width:720px;margin:0 auto;padding:48px 20px 80px}
.legend{font:500 12px/1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
h1{font-size:34px;line-height:1.15;margin:10px 0 18px}h2{font-size:20px;margin:34px 0 8px}
a{color:var(--accent)}nav a{margin-right:18px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:20px 22px;margin:18px 0}
footer{margin-top:48px;color:var(--muted);font-size:14px}