:root {
  --bg: #e8e2d5;
  --card: #f3efe5;
  --text: #2c3639;
  --muted: #6e6a5c;
  --border: #2c3639;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c2224;
    --card: #262e30;
    --text: #f0ebdf;
    --muted: #b7b1a3;
    --border: #e8e2d5;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 680px; margin: 0 auto; padding: 32px 20px 64px; }
header { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
header img { width: 48px; height: 48px; image-rendering: pixelated; }
header a { color: var(--text); text-decoration: none; font-weight: 800; font-size: 22px; }
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 6px; }
h2 { font-size: 20px; margin: 28px 0 6px; }
.meta { color: var(--muted); margin: 0 0 20px; }
.card {
  background: var(--card);
  border: 3px solid var(--border);
  box-shadow: 4px 4px 0 var(--border);
  padding: 14px 16px;
  margin: 20px 0;
}
a { color: inherit; }
footer { margin-top: 40px; color: var(--muted); font-size: 15px; }
footer a { margin-right: 16px; }