:root{--bg:#F8F2EB;--fg:#2c2540;--muted:#6b6483;--accent:#6E5BA8;--card:#fff;--line:#e6dff2}
@media (prefers-color-scheme:dark){:root{--bg:#1d1a26;--fg:#ece8f5;--muted:#aaa3c0;--accent:#b7a8ee;--card:#27233a;--line:#3a3552}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main,header,footer{max-width:46rem;margin:0 auto;padding:1rem}
header{display:flex;gap:1rem;align-items:center;flex-wrap:wrap}
header a.brand{font-weight:700;font-size:1.3rem;color:var(--accent);text-decoration:none}
nav a{margin-right:1rem;color:var(--accent)}
h1{font-size:1.8rem;margin:.5rem 0 1rem}h2{font-size:1.25rem;margin-top:2rem;color:var(--accent)}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1rem 1.25rem;margin:1rem 0}
.todo{background:#fff3cd;color:#5c4a00;padding:0 .25rem;border-radius:4px}
table{border-collapse:collapse;width:100%}th,td{border-bottom:1px solid var(--line);padding:.4rem .5rem;text-align:left;vertical-align:top}
footer{color:var(--muted);font-size:.9rem}
a{color:var(--accent)}
.card h2.first{margin-top:0}
.button{display:inline-block;background:var(--accent);color:var(--bg);padding:.6rem 1rem;border-radius:8px;text-decoration:none;font-weight:600}
pre{white-space:pre-wrap;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:.75rem}