:root{--bg:#ffffff;--fg:#1b1f24;--muted:#5b6470;--link:#0b5cad;--rule:#e2e5e9;--code:#f1f3f5}
@media (prefers-color-scheme:dark){:root{--bg:#14171a;--fg:#e6e8eb;--muted:#9aa3ad;--link:#6cb2ff;--rule:#2a2f35;--code:#1f2429}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:46rem;margin:0 auto;padding:2rem 1rem 4rem}
nav{font-size:.95rem;color:var(--muted);margin-bottom:2rem}
h1{font-size:2rem;line-height:1.2;margin:0 0 .25rem}
h2{font-size:1.25rem;margin:2.2rem 0 .5rem;padding-top:1rem;border-top:1px solid var(--rule)}
h3{font-size:1.05rem;margin:1.4rem 0 .3rem}
a{color:var(--link)}
.meta{color:var(--muted);font-size:.9rem}
ul{padding-left:1.25rem}
li{margin:.35rem 0}
code{background:var(--code);padding:.1em .35em;border-radius:4px;font-size:.88em;word-break:break-all}