:root {
  color-scheme: light dark;
  --bg: #fbfaf7;
  --text: #1d2430;
  --muted: #566070;
  --line: #d9dde3;
  --link: #0b5f6e;
  --head: #eef1f4;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11161d;
    --text: #e8ebef;
    --muted: #a5aeba;
    --line: #333c48;
    --link: #6fd0dd;
    --head: #1b222c;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0 auto;
  max-width: 46rem;
  padding: 1.5rem 1rem 3rem;
  background: var(--bg);
  color: var(--text);
  font: 1rem/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif;
}
h1 { font-size: 1.7rem; line-height: 1.25; margin: 1rem 0 .25rem; }
h2 { font-size: 1.2rem; margin: 2rem 0 .5rem; }
h3 { font-size: 1rem; margin: 1.25rem 0 .25rem; }
a { color: var(--link); }
nav { font-size: .95rem; }
nav a { margin-right: 1rem; }
.meta { color: var(--muted); font-size: .9rem; margin-top: 0; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: .92rem; }
th, td { border: 1px solid var(--line); padding: .45rem .55rem; text-align: left; vertical-align: top; }
th { background: var(--head); }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; margin-top: 2.5rem; padding-top: 1rem; }