:root{color-scheme:light dark;--bg:#ebeff5;--surface:#fff;--ink:#15181d;--muted:#5f6b78;--border:#dce2eb;--accent:#2456e6;--code:#f4f6fa}
@media (prefers-color-scheme:dark){:root{--bg:#0b0e14;--surface:#121722;--ink:#e9ecf2;--muted:#93a0b4;--border:#27303f;--accent:#7c9dff;--code:#1a2130}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-text-size-adjust:100%}
.wrap{max-width:56rem;margin:0 auto;padding:2.5rem 1.25rem 4rem}
a{color:var(--accent)}
h1{font-size:clamp(1.8rem,1.2rem+2.4vw,2.6rem);line-height:1.1;margin:0 0 .5rem;letter-spacing:-.02em}
h2{font-size:1.25rem;margin:2.5rem 0 .75rem}
h3{font-size:1rem;margin:1.5rem 0 .35rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.lede{color:var(--muted);font-size:1.05rem;margin:0 0 2rem}
.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.1rem 1.25rem;margin:0 0 1rem}
pre{background:var(--code);border:1px solid var(--border);border-radius:10px;padding:.9rem 1rem;overflow-x:auto;font-size:.86rem;line-height:1.5;margin:.5rem 0}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em}
p code,li code,td code{background:var(--code);padding:.1rem .35rem;border-radius:4px}
.tablewrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:.92rem}
th,td{text-align:left;padding:.55rem .7rem;border-bottom:1px solid var(--border);vertical-align:top}
th{color:var(--muted);font-weight:600;white-space:nowrap}
tbody tr:last-child td{border-bottom:0}
.muted{color:var(--muted)}
.tight-top{margin-top:0}
.tight-bottom{margin-bottom:0}
ul{padding-left:1.15rem}
footer{margin-top:3rem;padding-top:1.25rem;border-top:1px solid var(--border);color:var(--muted);font-size:.88rem}
footer a{color:var(--muted)}