:root{
  --bg:#fbfbfa; --fg:#1c1c1a; --muted:#5f5f58; --rule:#e3e3de;
  --accent:#1f6f4a; --card:#ffffff;
}
@media (prefers-color-scheme:dark){
  :root{ --bg:#151614; --fg:#ecebe6; --muted:#a2a29a; --rule:#2c2e2a;
         --accent:#7fc9a2; --card:#1d1f1c; }
}
*{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-text-size-adjust:100%}
.wrap{max-width:46rem;margin:0 auto;padding:2.5rem 1.25rem 4rem}
header{border-bottom:1px solid var(--rule);padding-bottom:1.25rem;margin-bottom:2rem}
.brand{display:flex;align-items:baseline;gap:.6rem;flex-wrap:wrap}
.brand strong{font-size:1.15rem;letter-spacing:-.01em}
nav{margin-top:.6rem;display:flex;gap:1.1rem;flex-wrap:wrap}
nav a{color:var(--muted);text-decoration:none;font-size:.92rem}
nav a:hover,nav a:focus{color:var(--accent);text-decoration:underline}
h1{font-size:1.85rem;line-height:1.2;letter-spacing:-.02em;margin:0 0 .4rem}
h2{font-size:1.12rem;margin:2.2rem 0 .6rem;letter-spacing:-.01em}
.date{color:var(--muted);font-size:.9rem;margin:0 0 2rem}
p,li{color:var(--fg)}
.lede{font-size:1.05rem;color:var(--muted)}
ul{padding-left:1.15rem}
li{margin:.35rem 0}
a{color:var(--accent)}
.card{background:var(--card);border:1px solid var(--rule);border-radius:10px;
  padding:1rem 1.15rem;margin:1.25rem 0}
.card p:first-child{margin-top:0} .card p:last-child{margin-bottom:0}
table{border-collapse:collapse;width:100%;margin:1rem 0;font-size:.94rem}
th,td{text-align:left;padding:.55rem .6rem;border-bottom:1px solid var(--rule);vertical-align:top}
th{font-weight:600}
.scroll{overflow-x:auto}
footer{border-top:1px solid var(--rule);margin-top:3rem;padding-top:1.25rem;
  color:var(--muted);font-size:.88rem}
code{background:var(--card);border:1px solid var(--rule);border-radius:4px;padding:.1rem .35rem;font-size:.9em}