:root {
  color-scheme: light dark;
  --ink: #14171a;
  --muted: #5b6470;
  --rule: rgba(0, 0, 0, .12);
  --bg: #ffffff;
  --accent: #0a7f74;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e9ecef;
    --muted: #9aa4b0;
    --rule: rgba(255, 255, 255, .14);
    --bg: #14161a;
    --accent: #2fe6dc;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0 auto;
  padding: 48px 22px 96px;
  max-width: 760px;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
header { border-bottom: 1px solid var(--rule); padding-bottom: 20px; margin-bottom: 32px; }
h1 { font-size: 28px; line-height: 1.2; margin: 0 0 6px; letter-spacing: -.02em; }
h2 { font-size: 19px; margin: 40px 0 10px; letter-spacing: -.01em; }
h3 { font-size: 15px; margin: 26px 0 6px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
p, li { color: var(--ink); }
.meta { color: var(--muted); font-size: 14px; margin: 0; }
a { color: var(--accent); }
ol, ul { padding-left: 22px; }
li { margin: 8px 0; }
table { border-collapse: collapse; width: 100%; margin: 18px 0; font-size: 15px; display: block; overflow-x: auto; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
.lang { border-top: 1px solid var(--rule); margin-top: 44px; padding-top: 8px; }
nav { margin-bottom: 28px; font-size: 15px; }
nav a { margin-right: 16px; }
footer { margin-top: 64px; padding-top: 20px; border-top: 1px solid var(--rule); color: var(--muted); font-size: 14px; }