:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1b1b1f;
  --muted: #5b5b66;
  --rule: #e2e2e8;
  --accent: #b5179e;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0f1a;
    --fg: #ececf1;
    --muted: #9a9aa8;
    --rule: #23273a;
    --accent: #f472b6;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0 auto;
  padding: 3rem 1.25rem 6rem;
  max-width: 44rem;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
h1 { font-size: 1.9rem; line-height: 1.2; margin: 0 0 .35rem; }
h2 { font-size: 1.2rem; margin: 2.5rem 0 .6rem; }
h3 { font-size: 1rem; margin: 1.6rem 0 .4rem; }
.sub { color: var(--muted); margin: 0 0 2rem; }
a { color: var(--accent); }
hr { border: 0; border-top: 1px solid var(--rule); margin: 2.5rem 0; }
table { border-collapse: collapse; width: 100%; margin: 1rem 0; display: block; overflow-x: auto; }
th, td { text-align: left; padding: .5rem .7rem; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font-size: .85rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
code { background: color-mix(in srgb, var(--fg) 8%, transparent); padding: .1rem .35rem; border-radius: 4px; font-size: .9em; }
footer { margin-top: 4rem; padding-top: 1.5rem; border-top: 1px solid var(--rule); color: var(--muted); font-size: .9rem; }
ul { padding-left: 1.2rem; }
li { margin: .35rem 0; }