:root {
  --ink-950: oklch(0.19 0.02 260);
  --ink-800: oklch(0.31 0.02 260);
  --ink-600: oklch(0.52 0.015 260);
  --ink-400: oklch(0.68 0.012 260);
  --ink-100: oklch(0.95 0.006 260);
  --surface: oklch(0.99 0.003 260);
  --card: oklch(1 0 0);
  --brand: oklch(0.55 0.16 253);
  --credit: oklch(0.62 0.13 174);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink-950: oklch(0.96 0.005 260);
    --ink-800: oklch(0.88 0.008 260);
    --ink-600: oklch(0.72 0.012 260);
    --ink-400: oklch(0.58 0.015 260);
    --ink-100: oklch(0.27 0.015 260);
    --surface: oklch(0.17 0.015 260);
    --card: oklch(0.21 0.015 260);
    --brand: oklch(0.72 0.14 253);
    --credit: oklch(0.74 0.12 174);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 1.25rem 5rem;
  background: var(--surface);
  color: var(--ink-950);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

header.site {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 2rem 0 1.5rem;
}

.mark {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.9rem;
  background: var(--ink-950);
  color: var(--surface);
  font-weight: 700;
  font-size: 1.25rem;
}

.mark-text { font-weight: 700; font-size: 1.05rem; letter-spacing: -0.01em; }

nav.site a {
  margin-left: 1rem;
  color: var(--ink-600);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
}
nav.site a:hover { color: var(--ink-950); }
header.site nav { margin-left: auto; }

h1 { font-size: 2rem; line-height: 1.2; letter-spacing: -0.02em; margin: 1rem 0 0.5rem; }
h2 { font-size: 1.15rem; letter-spacing: -0.01em; margin: 2.5rem 0 0.5rem; }
h3 { font-size: 0.95rem; margin: 1.5rem 0 0.35rem; }
p, li { color: var(--ink-800); }
li { margin-bottom: 0.35rem; }
a { color: var(--brand); }

.updated {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: var(--ink-100);
  color: var(--ink-600);
  font-size: 0.75rem;
  font-weight: 600;
}

.lede { font-size: 1.05rem; color: var(--ink-600); }

.card {
  background: var(--card);
  border: 1px solid var(--ink-100);
  border-radius: 1.25rem;
  padding: 1.1rem 1.25rem;
  margin: 1.25rem 0;
}

.card p:first-child { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }

table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: 0.9rem; }
th, td { text-align: left; padding: 0.6rem 0.5rem; border-bottom: 1px solid var(--ink-100); vertical-align: top; }
th { color: var(--ink-600); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; }

footer.site {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--ink-100);
  color: var(--ink-400);
  font-size: 0.8rem;
}
footer.site a { color: var(--ink-600); }