:root {
  --bg: #ffffff;
  --fg: #1b1d20;
  --muted: #5d6470;
  --rule: #e3e6ea;
  --accent: #0b7a3b;
  --code-bg: #f2f4f6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --fg: #e8eaed;
    --muted: #9aa2ae;
    --rule: #2a2e35;
    --accent: #4ec27d;
    --code-bg: #1e2229;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main {
  max-width: 46rem;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}
h1 {
  font-size: 1.9rem;
  line-height: 1.25;
  margin: 0 0 .35rem;
  letter-spacing: -.015em;
}
h2 {
  font-size: 1.2rem;
  margin: 2.2rem 0 .6rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--rule);
  letter-spacing: -.01em;
}
h3 {
  font-size: 1rem;
  margin: 1.5rem 0 .4rem;
  color: var(--fg);
}
p, li { color: var(--fg); }
ul { padding-left: 1.15rem; }
li { margin: .3rem 0; }
a { color: var(--accent); }
a:hover { text-decoration: none; }
code {
  background: var(--code-bg);
  padding: .1em .35em;
  border-radius: 4px;
  font-size: .875em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  word-break: break-word;
}
.meta, .crumb { color: var(--muted); font-size: .9rem; margin: 0 0 1.5rem; }
.crumb { margin-bottom: .75rem; }
.foot {
  margin-top: 3rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: .9rem;
}
.lede { font-size: 1.05rem; color: var(--muted); }
.card {
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 1rem 1.15rem;
  margin: 1rem 0;
}