:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #555555;
  --border: #e2e2e2;
  --accent: #b4532a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16130f;
    --fg: #ece7e1;
    --muted: #a89f95;
    --border: #3a342c;
    --accent: #e8834f;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}
h1 { font-size: 1.9rem; line-height: 1.25; margin: 0 0 0.25rem; }
h2 { font-size: 1.25rem; margin: 2.2rem 0 0.6rem; }
p, li { color: var(--fg); }
.meta { color: var(--muted); font-size: 0.95rem; margin-bottom: 2rem; }
a { color: var(--accent); }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin: 1rem 0;
}
th, td {
  text-align: left;
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th { font-weight: 600; }
.table-wrap { overflow-x: auto; }
.callout {
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 0.9rem 1.1rem;
  margin: 1.2rem 0;
}
footer {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
  color: var(--muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}
footer p { color: var(--muted); }