:root {
  --bg: #fbfaf7;
  --fg: #1d2330;
  --muted: #5b6475;
  --rule: #e2dfd6;
  --accent: #1f5f8b;
  --code-bg: #f1eee6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171d;
    --fg: #e6e8ec;
    --muted: #9aa3b2;
    --rule: #2a2f39;
    --accent: #7cb4dc;
    --code-bg: #1d222b;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 Charter, "Iowan Old Style", Georgia, serif;
}
header, main, footer { max-width: 44rem; margin: 0 auto; padding: 0 16px; }
header { padding-top: 2rem; padding-bottom: 1rem; border-bottom: 1px solid var(--rule); }
header a.home { color: var(--fg); text-decoration: none; font-weight: 700; font-size: 1.1rem; }
nav { margin-top: .5rem; font: 15px/1.4 system-ui, sans-serif; }
nav a { margin-right: 1rem; color: var(--muted); }
nav a[aria-current] { color: var(--fg); font-weight: 600; }
main { padding-top: 1.5rem; padding-bottom: 3rem; }
h1 { font-size: 1.9rem; line-height: 1.2; margin: .5rem 0 1rem; }
h2 { font-size: 1.3rem; margin-top: 2.2rem; }
h3 { font-size: 1.1rem; margin-top: 1.6rem; }
a { color: var(--accent); }
p.meta { color: var(--muted); font-size: .95rem; }
code, pre { font: 14px/1.5 ui-monospace, Menlo, monospace; background: var(--code-bg); }
code { padding: .1em .3em; border-radius: 3px; }
pre { padding: .8rem 1rem; overflow-x: auto; border-radius: 4px; }
table { border-collapse: collapse; width: 100%; font-size: .95rem; display: block; overflow-x: auto; }
th, td { text-align: left; vertical-align: top; padding: .5rem .6rem; border-bottom: 1px solid var(--rule); }
footer { padding-bottom: 2rem; color: var(--muted); font: 14px/1.5 system-ui, sans-serif; border-top: 1px solid var(--rule); padding-top: 1rem; }