:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --panel: #f6f7f9;
  --text: #1c1f24;
  --muted: #5b6270;
  --line: #e2e5ea;
  --accent: #2f4fbf;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --panel: #1c1f25;
    --text: #e8eaee;
    --muted: #9aa2b1;
    --line: #2a2e36;
    --accent: #7d9bff;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 0 20px 80px;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 720px; margin: 0 auto; }
header { display: flex; align-items: center; gap: 18px; padding: 48px 0 32px; }
header img { width: 76px; height: 76px; border-radius: 17px; }
header h1 { margin: 0; font-size: 28px; letter-spacing: -0.3px; }
header p { margin: 4px 0 0; color: var(--muted); }
h2 { margin: 40px 0 12px; font-size: 20px; letter-spacing: -0.2px; }
h3 { margin: 28px 0 6px; font-size: 16px; }
p, li { color: var(--text); }
a { color: var(--accent); }
.lede { font-size: 18px; color: var(--muted); }
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 20px;
  margin: 22px 0;
}
.card p:first-child { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }
table { border-collapse: collapse; width: 100%; margin: 18px 0; font-size: 15px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
code { background: var(--panel); border: 1px solid var(--line); border-radius: 5px; padding: 1px 5px; font-size: 14px; }
nav { display: flex; gap: 18px; padding: 16px 0 0; border-top: 1px solid var(--line); margin-top: 56px; font-size: 15px; }
footer { margin-top: 14px; color: var(--muted); font-size: 14px; }