:root {
  --bg: #f6ecdf;
  --card: #fffaf3;
  --ink: #2a1d14;
  --muted: #7a6656;
  --accent: #b9562c;
  --line: #ead9c6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11141f;
    --card: #1b2030;
    --ink: #f3ead9;
    --muted: #a69c8d;
    --accent: #e98a5c;
    --line: #2c3347;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
main {
  max-width: 680px;
  margin: 32px auto;
  padding: 32px 24px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 1px 0 rgba(255,255,255,.6) inset, 0 12px 30px -16px rgba(60,30,10,.35);
}
@media (max-width: 720px) { main { margin: 16px; padding: 24px 18px; } }
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 8px; }
h2 { font-size: 19px; margin: 28px 0 6px; }
.lead { font-size: 18px; }
.meta, .back { color: var(--muted); font-size: 14px; }
a { color: var(--accent); }
ul { padding-left: 20px; }
details { border-top: 1px solid var(--line); padding: 10px 0; }
details:last-of-type { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 600; }
.links { margin-top: 28px; }