:root{--bg:#fafaf8;--fg:#1d1d1b;--muted:#5d5d58;--line:#e2e1dc;--accent:#2f5d50}
@media (prefers-color-scheme:dark){:root{--bg:#161615;--fg:#ebeae6;--muted:#a3a29c;--line:#2e2d2a;--accent:#7fb8a6}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 system-ui,-apple-system,"Segoe UI",sans-serif}
main{max-width:44rem;margin:0 auto;padding:3rem 1.25rem 4rem}
nav{display:flex;gap:1.25rem;flex-wrap:wrap;font-size:.95rem;margin-bottom:2.5rem}
nav a{color:var(--muted);text-decoration:none}
nav a[aria-current]{color:var(--fg);font-weight:600}
h1{font-size:1.9rem;line-height:1.2;margin:0 0 .5rem}
h2{font-size:1.15rem;margin:2.2rem 0 .4rem}
p,li{color:var(--fg)}
.lede{color:var(--muted);font-size:1.08rem;margin-top:0}
.meta{color:var(--muted);font-size:.9rem}
a{color:var(--accent)}
ul{padding-left:1.2rem}
footer{margin-top:3rem;padding-top:1rem;border-top:1px solid var(--line);color:var(--muted);font-size:.85rem}
code{font-size:.92em}