:root{--fg:#1f2328;--muted:#656d76;--line:#d8dee4;--bg:#fff;--accent:#0969da}
@media (prefers-color-scheme:dark){:root{--fg:#e6edf3;--muted:#8b949e;--line:#30363d;--bg:#0d1117;--accent:#58a6ff}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);line-height:1.65;
     font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
     font-size:16px;-webkit-font-smoothing:antialiased}
.wrap{max-width:46rem;margin:0 auto;padding:2.5rem 1.25rem 4rem}
header{display:flex;align-items:center;gap:.75rem;padding-bottom:1.25rem;border-bottom:1px solid var(--line)}
header img{width:32px;height:32px}
header .site{font-weight:600;font-size:1.05rem}
nav{margin-left:auto;display:flex;gap:1.25rem}
nav a{color:var(--muted);text-decoration:none;font-size:.95rem}
nav a:hover{color:var(--accent)}
h1{font-size:1.75rem;line-height:1.3;margin:2rem 0 .5rem}
h2{font-size:1.25rem;margin:2.25rem 0 .5rem}
p{margin:.85rem 0}
a{color:var(--accent)}
.lead{font-size:1.1rem;color:var(--muted)}
.meta{font-size:.85rem;color:var(--muted);margin:0}
article{padding:1.5rem 0;border-bottom:1px solid var(--line)}
article h3{margin:.25rem 0 .35rem;font-size:1.1rem}
article h3 a{text-decoration:none;color:var(--fg)}
article h3 a:hover{color:var(--accent)}
figure{margin:1.5rem 0}
figure img{width:100%;height:auto;border-radius:6px;border:1px solid var(--line)}
figcaption{font-size:.85rem;color:var(--muted);margin-top:.5rem}
ul{padding-left:1.25rem}
li{margin:.35rem 0}
footer{margin-top:3rem;padding-top:1.25rem;border-top:1px solid var(--line);
       font-size:.875rem;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem}