:root{
  --bg:#faf9f7; --fg:#1c1b19; --muted:#6b6862; --line:#e3e0da;
  --card:#ffffff; --accent:#3a5a78;
}
@media (prefers-color-scheme: dark){
  :root{ --bg:#161513; --fg:#eceae6; --muted:#9a968e; --line:#2e2c29;
         --card:#1f1e1b; --accent:#8fb3d0; }
}
*{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;}
.wrap{max-width:44rem;margin:0 auto;padding:3rem 1.25rem 5rem}
h1{font-size:1.9rem;line-height:1.2;margin:0 0 .4rem;letter-spacing:-.02em}
h2{font-size:1.15rem;margin:2.4rem 0 .6rem;letter-spacing:-.01em}
h3{font-size:1rem;margin:1.6rem 0 .4rem}
p,li{color:var(--fg)}
.lead{color:var(--muted);font-size:1.05rem;margin:0 0 2rem}
a{color:var(--accent)}
hr{border:0;border-top:1px solid var(--line);margin:2.5rem 0}
table{border-collapse:collapse;width:100%;margin:.8rem 0;font-size:.95rem}
th,td{text-align:left;padding:.5rem .7rem;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:600}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:1.1rem 1.25rem;margin:1rem 0}
footer{margin-top:3.5rem;padding-top:1.5rem;border-top:1px solid var(--line);
  color:var(--muted);font-size:.88rem}
footer a{margin-right:1.2rem}
code{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:.1em .35em;font-size:.9em}
.tag{display:inline-block;font-size:.78rem;color:var(--muted);border:1px solid var(--line);
  border-radius:99px;padding:.15rem .6rem;margin-right:.4rem}