:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1b1b1f;
  --muted: #5b5b66;
  --rule: #e3e3e8;
  --link: #1a56c4;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16161a;
    --fg: #e9e9ee;
    --muted: #a0a0ad;
    --rule: #2c2c33;
    --link: #7fb0ff;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0 auto;
  padding: 2.5rem 1.25rem 5rem;
  max-width: 44rem;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

h1 { font-size: 1.9rem; line-height: 1.25; margin: 0 0 .5rem; }
h2 { font-size: 1.25rem; margin: 2.25rem 0 .5rem; }
h3 { font-size: 1.02rem; margin: 1.5rem 0 .35rem; }

p, ul { margin: 0 0 1rem; }
ul { padding-left: 1.25rem; }
li { margin-bottom: .35rem; }

a { color: var(--link); }
a:hover { text-decoration: none; }

hr { border: 0; border-top: 1px solid var(--rule); margin: 2rem 0; }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .9em;
  background: color-mix(in srgb, var(--fg) 8%, transparent);
  padding: .1em .35em;
  border-radius: 4px;
}

.updated { color: var(--muted); font-size: .92rem; }
.nav { margin-top: 2.5rem; font-size: .92rem; color: var(--muted); }