:root {
  --bg: #fff8e7;
  --card: #ffffff;
  --ink: #233b4d;
  --muted: #5b7282;
  --accent: #2b5870;
  --line: #eadfc6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1d4155;
    --card: #234b61;
    --ink: #fff8e7;
    --muted: #b7d3dc;
    --accent: #b5ffdf;
    --line: #2f5d75;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 64px; }
header { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
header img { width: 72px; height: 72px; border-radius: 16px; }
h1 { font-size: 30px; line-height: 1.2; margin: 0; }
h2 { font-size: 21px; margin: 32px 0 8px; }
p, li { color: var(--ink); }
.muted { color: var(--muted); font-size: 15px; }
a { color: var(--accent); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 4px 20px; margin: 16px 0; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 10px 8px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }
.scroll { overflow-x: auto; }
footer { margin-top: 48px; font-size: 14px; color: var(--muted); }