:root {
  --bg: #ffffff;
  --fg: #16130f;
  --muted: #6b6259;
  --rule: #e6e0d6;
  --accent: #b02418;
  --maxw: 44rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16130f;
    --fg: #f2ece3;
    --muted: #a89e92;
    --rule: #322c25;
  }
}

* { 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;
}

.wrap { max-width: var(--maxw); margin: 0 auto; }

header {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 2.5rem 0 2rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 2.5rem;
}

header img { width: 56px; height: 56px; border-radius: 13px; flex: none; }

header .title { font-size: 1.25rem; font-weight: 650; letter-spacing: -0.01em; }

header .sub { color: var(--muted); font-size: 0.9375rem; }

nav { margin-left: auto; display: flex; gap: 1.25rem; flex-wrap: wrap; }

nav a { color: var(--muted); text-decoration: none; font-size: 0.9375rem; }

nav a:hover, nav a:focus { color: var(--accent); text-decoration: underline; }

h1 { font-size: 1.875rem; line-height: 1.25; letter-spacing: -0.02em; margin: 0 0 0.5rem; }

h2 { font-size: 1.1875rem; letter-spacing: -0.01em; margin: 2.5rem 0 0.75rem; }

.updated { color: var(--muted); font-size: 0.9375rem; margin: 0 0 2.5rem; }

p, li { color: var(--fg); }

ul { padding-left: 1.25rem; }

li { margin: 0.375rem 0; }

a { color: var(--accent); }

table { border-collapse: collapse; width: 100%; margin: 1rem 0; font-size: 0.9375rem; }

th, td { text-align: left; padding: 0.625rem 0.75rem; border-bottom: 1px solid var(--rule); vertical-align: top; }

th { font-weight: 600; }

.table-scroll { overflow-x: auto; }

.callout {
  border-left: 3px solid var(--accent);
  padding: 0.125rem 0 0.125rem 1rem;
  margin: 1.5rem 0;
  color: var(--muted);
}

footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.875rem;
}

@media (max-width: 34rem) {
  header { flex-wrap: wrap; }
  nav { margin-left: 0; width: 100%; }
}