:root{--bg:#faf8f4;--fg:#1f1d1a;--muted:#6b665e;--card:#fff;--line:#e4ded3;--accent:#7a5a1e}@media (prefers-color-scheme:dark){:root{--bg:#171614;--fg:#ece8e1;--muted:#a39d92;--card:#211f1c;--line:#36322c;--accent:#d8b46a}}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);margin:0;font:16px/1.55 system-ui,-apple-system,Segoe UI,sans-serif}main{max-width:40rem;margin:0 auto;padding:3rem 1rem}h1{margin:0 0 1rem;font-size:1.6rem}p{margin:0 0 1rem}.muted{color:var(--muted)}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;margin:1.25rem 0;padding:1.25rem}.key{letter-spacing:.04em;overflow-wrap:anywhere;-webkit-user-select:all;user-select:all;color:var(--accent);font:600 1.25rem/1.4 ui-monospace,Cascadia Mono,Consolas,monospace}a{color:var(--accent)}