:root{
  --ground:#fff;--surface:#F4F6F4;--border:#E4E8E4;--ink:#16191A;--muted:#6A716C;
  --faint:#9AA29C;--accent:#5F8A6B;--soft:#E8F0E9;
}
@media (prefers-color-scheme:dark){:root{
  --ground:#0E100F;--surface:#191C1A;--border:#2A2E2B;--ink:#F0F2F0;--muted:#9AA29C;
  --faint:#6A716C;--accent:#9CB29B;--soft:#1E2A21;
}}
*{box-sizing:border-box}
body{margin:0;background:var(--ground);color:var(--ink);
  font:16px/1.6 -apple-system,BlinkMacSystemFont,"SF Pro Text",system-ui,sans-serif;
  -webkit-font-smoothing:antialiased}
.wrap{max-width:44rem;margin:0 auto;padding:3rem 1.5rem 5rem}
nav{display:flex;gap:1.25rem;align-items:center;margin-bottom:3rem;flex-wrap:wrap}
nav a{color:var(--muted);text-decoration:none;font-size:.9375rem}
nav a:hover,nav a:focus{color:var(--accent)}
nav .brand{font-weight:700;color:var(--ink);font-size:1.0625rem;margin-right:auto;text-decoration:none}
h1{font-size:clamp(1.9rem,5vw,2.5rem);line-height:1.15;letter-spacing:-.02em;margin:0 0 .5rem;text-wrap:balance}
h2{font-size:1.25rem;margin:2.5rem 0 .75rem;letter-spacing:-.01em}
h3{font-size:1.0625rem;margin:1.75rem 0 .5rem}
p,li{color:var(--muted)}
p{margin:0 0 1rem}
ul{padding-left:1.25rem;margin:0 0 1rem}
li{margin:.3rem 0}
strong{color:var(--ink);font-weight:600}
a{color:var(--accent)}
.updated{color:var(--faint);font-size:.875rem;margin-bottom:2.5rem}
.lede{font-size:1.0625rem}
.callout{background:var(--soft);border:1px solid var(--border);border-radius:16px;
  padding:1.25rem 1.5rem;margin:0 0 2rem}
.callout p:last-child{margin:0}
table{border-collapse:collapse;width:100%;font-size:.9375rem;margin:0 0 1.5rem}
.tw{overflow-x:auto;border:1px solid var(--border);border-radius:12px;margin-bottom:1.5rem}
th,td{text-align:left;padding:.6rem .875rem;border-bottom:1px solid var(--border);color:var(--muted)}
th{background:var(--surface);color:var(--ink);font-size:.8125rem;font-weight:620}
tr:last-child td{border-bottom:none}
footer{margin-top:4rem;padding-top:1.5rem;border-top:1px solid var(--border);
  color:var(--faint);font-size:.875rem}
footer a{color:var(--faint)}