:root {
  --bg: #f7f6fb;
  --card: #ffffff;
  --text: #1c1b22;
  --muted: #5d5a6b;
  --accent: #5b3fe0;
  --line: #e4e1ef;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111016;
    --card: #1b1a22;
    --text: #f0eff5;
    --muted: #a7a3b8;
    --accent: #9b85ff;
    --line: #2c2a36;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 40px 20px 64px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 8px; }
header img { width: 56px; height: 56px; border-radius: 13px; }
h1 { font-size: 30px; line-height: 1.2; margin: 0; }
h2 { font-size: 20px; margin: 36px 0 8px; }
p, li { color: var(--text); }
.muted { color: var(--muted); }
a { color: var(--accent); }
nav { margin: 8px 0 28px; display: flex; gap: 18px; flex-wrap: wrap; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 4px 22px;
  margin: 18px 0;
}
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
footer { margin-top: 48px; font-size: 14px; color: var(--muted); }