:root {
  --bg: #fbfaf7;
  --fg: #1f2328;
  --muted: #59636e;
  --accent: #0b6bcb;
  --rule: #e3e1db;
  --code-bg: #f0eee8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171a;
    --fg: #e6e6e3;
    --muted: #9aa1a9;
    --accent: #6cb1ff;
    --rule: #2b2f34;
    --code-bg: #22252a;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
}
main { max-width: 680px; margin: 0 auto; padding: 48px 16px 64px; }
h1 { font-size: 1.9rem; line-height: 1.2; margin: 0 0 8px; }
h2 { font-size: 1.15rem; margin: 32px 0 8px; }
.lede { color: var(--muted); margin: 0 0 24px; }
a { color: var(--accent); }
code {
  font: 0.9em ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--code-bg);
  padding: 1px 5px;
  border-radius: 4px;
}
ol, ul { padding-left: 22px; }
li { margin: 4px 0; }
footer {
  margin-top: 48px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.9rem;
}
footer a { margin-right: 16px; }