:root { color-scheme: light dark; --ink:#16211f; --muted:#5a6360; --accent:#2a7869; --bg:#faf9f7; --card:#ffffff; --line:#e2e0dc; }
@media (prefers-color-scheme: dark){ :root{ --ink:#f2f1ee; --muted:#a8b0ad; --bg:#141917; --card:#1c2321; --line:#2c3532; } }
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
.wrap{max-width:44rem;margin:0 auto;padding:2.5rem 1.25rem 4rem}
h1{font-size:2rem;line-height:1.2;margin:0 0 .25rem}
h2{font-size:1.2rem;margin:2.25rem 0 .5rem}
.sub{color:var(--muted);margin:0 0 2rem}
a{color:var(--accent)}
nav{display:flex;flex-wrap:wrap;gap:1rem;padding-bottom:1.25rem;border-bottom:1px solid var(--line);margin-bottom:1.75rem}
nav a{text-decoration:none;font-weight:500}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1.1rem 1.25rem;margin:1rem 0}
.updated{color:var(--muted);font-size:.9rem;margin-top:2.5rem;border-top:1px solid var(--line);padding-top:1rem}
ul{padding-left:1.2rem} li{margin:.35rem 0}