:root{color-scheme:light dark;--ink:#111;--muted:#666;--bg:#fff;--line:#e5e5e5;--acc:#1f6fd0}
@media (prefers-color-scheme:dark){:root{--ink:#eee;--muted:#aaa;--bg:#151515;--line:#333;--acc:#5b9cf0}}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 -apple-system,Segoe UI,Roboto,sans-serif}
main{max-width:760px;margin:0 auto;padding:28px 18px 60px}
h1{font-size:26px;line-height:1.25;margin:8px 0 6px}h2{font-size:18px;margin:26px 0 8px}
p{margin:8px 0}.muted{color:var(--muted)}.nav{font-size:14px;color:var(--muted)}a{color:var(--acc)}
table{border-collapse:collapse;width:100%;font-size:15px;margin:8px 0}td,th{border-bottom:1px solid var(--line);padding:7px 8px;text-align:left;vertical-align:top}th{color:var(--muted);font-weight:500}
code{background:var(--line);padding:1px 5px;border-radius:4px}ul{padding-left:22px}
.hero{font-size:20px;margin:10px 0 18px}.btn{display:inline-block;background:var(--acc);color:#fff;padding:12px 20px;border-radius:10px;text-decoration:none;font-weight:600}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:18px 0}.card{border:1px solid var(--line);border-radius:12px;padding:14px}.card b{display:block;margin-bottom:4px}
footer{margin-top:40px;font-size:13px;color:var(--muted)}