:root{--bg:#fbfaf7;--fg:#1d1c1a;--muted:#5f5b53;--line:#dedad0;--accent:#2f5d50}
@media (prefers-color-scheme:dark){:root{--bg:#171715;--fg:#ecebe6;--muted:#a8a49a;--line:#34332e;--accent:#8cc5b3}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 system-ui,-apple-system,"Segoe UI",sans-serif}
main,header,footer{max-width:46rem;margin:0 auto;padding:0 16px}header{padding-top:1.5rem}header a{color:var(--fg);text-decoration:none;font-weight:700}
nav{display:flex;flex-wrap:wrap;gap:.25rem 1rem;font-size:.95rem}nav a,footer a{color:var(--muted)}a{color:var(--accent)}
h1{font-size:1.9rem;line-height:1.2;margin:1.5rem 0 .5rem}h2{font-size:1.25rem;margin:2rem 0 .5rem}
.muted{color:var(--muted)}ul.tools{list-style:none;padding:0}ul.tools li{border-top:1px solid var(--line);padding:.9rem 0}
ul.tools li b a{font-size:1.05rem}.go{display:inline-block;margin:1rem 0;padding:.6rem 1rem;border-radius:6px;background:var(--accent);color:var(--bg);text-decoration:none;font-weight:600}
footer{border-top:1px solid var(--line);margin-top:3rem;padding-top:1rem;padding-bottom:2rem;font-size:.9rem}