:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1d1d1f;
  --muted: #6e6e73;
  --line: #d2d2d7;
  --tint: #0071e3;
  --card: #f5f5f7;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --fg: #f5f5f7;
    --muted: #a1a1a6;
    --line: #38383d;
    --tint: #2997ff;
    --card: #1c1c1e;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
}
main { max-width: 760px; margin: 0 auto; padding: 32px 20px 72px; }
header.site { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 26px; letter-spacing: -0.02em; color: var(--fg); text-decoration: none; }
nav.lang a, nav.pages a { color: var(--tint); text-decoration: none; margin-left: 14px; font-size: 15px; }
nav.pages a:first-child { margin-left: 0; }
h1 { font-size: 34px; line-height: 1.15; letter-spacing: -0.02em; margin: 36px 0 6px; }
h2 { font-size: 22px; margin: 36px 0 8px; letter-spacing: -0.01em; }
h3 { font-size: 18px; margin: 24px 0 4px; }
p, li { margin: 8px 0; }
.updated { color: var(--muted); font-size: 15px; margin-top: 0; }
.lead { font-size: 19px; }
.card { background: var(--card); border-radius: 14px; padding: 16px 18px; margin: 16px 0; }
table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 12px 0; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px 8px 0; border-bottom: 1px solid var(--line); }
th { font-weight: 600; }
a { color: var(--tint); }
hr { border: 0; border-top: 1px solid var(--line); margin: 56px 0 8px; }
footer { color: var(--muted); font-size: 14px; margin-top: 48px; }
@media (max-width: 560px) {
  h1 { font-size: 28px; }
  table, thead, tbody, tr, th, td { display: block; }
  thead { display: none; }
  td { border-bottom: 0; padding: 2px 0; }
  tr { border-bottom: 1px solid var(--line); padding: 8px 0; }
  td:first-child { font-weight: 600; }
}