:root{--bg:#fbfaf7;--fg:#1d1d1f;--muted:#55575c;--line:#dcd9d2;--accent:#0b5cad;--card:#ffffff;--code:#f1efe9}
@media (prefers-color-scheme:dark){:root{--bg:#141517;--fg:#ececec;--muted:#b4b6ba;--line:#34363a;--accent:#7cb8f5;--card:#1c1d20;--code:#26282c}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:18px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
main,header.site,footer.site{max-width:44rem;margin:0 auto;padding:0 16px}
header.site{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding-top:1rem;padding-bottom:1rem;border-bottom:1px solid var(--line)}
.brand{font-weight:700;font-size:1.15rem;color:var(--fg);text-decoration:none}
nav a{margin-left:1rem}
a{color:var(--accent);text-underline-offset:2px}
a:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
h1{font-size:1.9rem;line-height:1.25;margin:1.5rem 0 .75rem}
h2{font-size:1.35rem;line-height:1.3;margin:2rem 0 .5rem}
h3{font-size:1.1rem;margin:1.5rem 0 .25rem}
code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;background:var(--code);border-radius:4px}
code{padding:.1em .3em;overflow-wrap:anywhere}
pre{padding:.75rem;overflow-x:auto}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:1rem;margin:1rem 0}
.lede{font-size:1.1rem}
.muted{color:var(--muted)}
ol,ul{padding-left:1.4rem}
li{margin:.3rem 0}
blockquote{margin:.5rem 0;padding:.5rem 1rem;border-left:4px solid var(--line);background:var(--card)}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{text-align:left;border-bottom:1px solid var(--line);padding:.4rem .3rem;vertical-align:top}
footer.site{margin-top:3rem;padding-top:1rem;padding-bottom:2rem;border-top:1px solid var(--line);font-size:.95rem;color:var(--muted)}
.skip{position:absolute;left:-999px}
.skip:focus{left:16px;top:8px;background:var(--card);padding:.5rem}