:root {
  color-scheme: light dark;
  --text: #172b4d;
  --muted: #5e6c84;
  --link: #0c66e4;
  --rule: #dfe1e6;
  --background: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #dee4ea;
    --muted: #9fadbc;
    --link: #579dff;
    --rule: #384047;
    --background: #1d2125;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

header,
main,
footer {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}

header {
  padding-top: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--rule);
}

header a {
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}

main {
  padding-top: 1rem;
  padding-bottom: 2rem;
}

h1 {
  font-size: 2rem;
  line-height: 1.25;
  margin: 1.5rem 0 0.25rem;
}

h2 {
  font-size: 1.25rem;
  margin: 2rem 0 0.5rem;
}

a {
  color: var(--link);
}

.updated {
  color: var(--muted);
  margin-top: 0;
}

.contents {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  margin: 1.5rem 0;
  padding: 0.75rem 1rem;
  border: 1px solid var(--rule);
  border-radius: 6px;
  font-size: 0.95rem;
}

code {
  font: 0.9em ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  padding: 0.1em 0.3em;
  border-radius: 4px;
  background: var(--rule);
}

li + li {
  margin-top: 0.35rem;
}

dt {
  font-weight: 600;
  margin-top: 1rem;
}

dd {
  margin: 0.25rem 0 0;
}

footer {
  padding-top: 1rem;
  padding-bottom: 2rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.9rem;
}

footer a {
  color: var(--muted);
}