:root {
  --bg: #ffffff;
  --fg: #1c1c1e;
  --muted: #6b6b70;
  --rule: #e3e3e6;
  --accent: #0a84ff;
  --card: #f6f6f8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131315;
    --fg: #ececee;
    --muted: #9a9aa0;
    --rule: #2c2c30;
    --accent: #4aa3ff;
    --card: #1c1c1f;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

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

main {
  max-width: 44rem;
  margin: 0 auto;
}

header {
  padding: 3.5rem 0 2rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 2.5rem;
}

header p.eyebrow {
  margin: 0 0 0.35rem;
  color: var(--muted);
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: 2rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h2 {
  margin: 2.75rem 0 0.75rem;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

h3 {
  margin: 1.75rem 0 0.5rem;
  font-size: 1rem;
}

p, ul, ol { margin: 0 0 1rem; }

ul, ol { padding-left: 1.35rem; }

li { margin-bottom: 0.4rem; }

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.updated {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.75rem;
}

.lede {
  font-size: 1.075rem;
  color: var(--fg);
}

.callout {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
}

.callout p:last-child { margin-bottom: 0; }

.table-wrap {
  overflow-x: auto;
  margin: 1.25rem 0;
}

table {
  border-collapse: collapse;
  width: 100%;
  min-width: 30rem;
  font-size: 0.95rem;
}

th, td {
  text-align: left;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

th {
  font-weight: 600;
  color: var(--muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

nav.pagelinks {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.9rem;
}

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