:root{--bg:#fff;--fg:#1a1d21;--muted:#5c6570;--line:#e3e6ea;--accent:#1c4b82;--maxw:44rem}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#14171a;--fg:#e6e9ec;--muted:#9aa4ae;--line:#2a2f35;--accent:#7fb0e8}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--maxw);margin:0 auto;padding:3rem 1.25rem 5rem}
header{border-bottom:1px solid var(--line);padding-bottom:1.5rem;margin-bottom:2.5rem}
.brand{font-weight:650;letter-spacing:-.01em;font-size:1.05rem;text-decoration:none;color:var(--fg)}
h1{font-size:1.9rem;line-height:1.2;letter-spacing:-.02em;margin:0 0 .4rem}
h2{font-size:1.15rem;letter-spacing:-.01em;margin:2.4rem 0 .6rem}
h3{font-size:1rem;margin:1.6rem 0 .4rem}
.meta{color:var(--muted);font-size:.9rem;margin:0}
p,li{color:var(--fg)}
ul{padding-left:1.25rem}
li{margin:.3rem 0}
a{color:var(--accent)}
code{background:var(--line);padding:.1em .35em;border-radius:3px;font-size:.9em}
.note{border-left:3px solid var(--accent);padding:.75rem 1rem;margin:1.5rem 0;background:color-mix(in srgb,var(--accent) 7%,transparent);border-radius:0 4px 4px 0;font-size:.94rem}
footer{border-top:1px solid var(--line);margin-top:4rem;padding-top:1.5rem;color:var(--muted);font-size:.88rem}
footer a{margin-right:1rem}
table{border-collapse:collapse;width:100%;margin:1rem 0;font-size:.94rem}
th,td{text-align:left;padding:.5rem .6rem;border-bottom:1px solid var(--line);vertical-align:top}
th{font-weight:600}