:root {
  --bg: #fbfbfa;
  --fg: #1a1a18;
  --muted: #6b6b66;
  --rule: #e4e4e0;
  --accent: #3b5bdb;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16161a;
    --fg: #e8e8e4;
    --muted: #9a9a94;
    --rule: #2c2c32;
    --accent: #8ba3f5;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  padding-block: 4rem;
  padding-inline: 1.5rem;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
main { max-width: 42rem; margin: 0 auto; }
h1 { font-size: 1.6rem; letter-spacing: -0.02em; margin: 0 0 0.35rem; }
h2 { font-size: 1.05rem; letter-spacing: -0.01em; margin: 2.25rem 0 0.5rem; }
p, li { color: var(--fg); }
a { color: var(--accent); text-underline-offset: 2px; }
.sub { color: var(--muted); margin: 0 0 2.5rem; }
.updated { color: var(--muted); font-size: 0.875rem; }
ul { padding-left: 1.2rem; }
li { margin: 0.3rem 0; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 3rem 0 1.5rem; }
footer { color: var(--muted); font-size: 0.875rem; }
footer a { color: var(--muted); }
code {
  font: 0.9em ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--rule); padding: 0.1em 0.35em; border-radius: 3px;
}