:root {
  --bg: #fffdf9;
  --surface: #f6f0e8;
  --text: #2b2420;
  --muted: #6f625a;
  --accent: #b4532a;
  --border: #e4d9cc;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1816;
    --surface: #26221f;
    --text: #ece5de;
    --muted: #a99d93;
    --accent: #e98a5c;
    --border: #3a332e;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }
a { color: var(--accent); }
h1 { font-size: 1.9rem; line-height: 1.2; margin: 1rem 0 0.5rem; }
h2 { font-size: 1.3rem; margin-top: 2rem; }
.site-header { border-bottom: 1px solid var(--border); padding: 12px 0; }
.brand { font-weight: 700; font-size: 1.15rem; text-decoration: none; color: var(--text); }
.site-footer { border-top: 1px solid var(--border); margin-top: 3rem; padding: 16px 0; font-size: 0.9rem; }
.muted, .crumbs { color: var(--muted); font-size: 0.9rem; }
.crumbs { margin-top: 12px; }
.lead { font-size: 1.1rem; color: var(--muted); }
.answer { font-size: 1.25rem; background: var(--surface); border-left: 4px solid var(--accent); padding: 12px 16px; border-radius: 6px; }
.facts { padding-left: 1.2rem; }
.converter {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px; margin: 1.5rem 0; display: grid; gap: 12px;
}
.converter label { display: grid; gap: 4px; font-size: 0.9rem; color: var(--muted); }
.converter .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.converter input, .converter select {
  font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px; width: 100%;
}
.converter output { font-size: 1.4rem; font-weight: 700; }
table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
thead th { background: var(--surface); }
.chips { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips a {
  display: inline-block; padding: 6px 12px; border: 1px solid var(--border);
  border-radius: 999px; text-decoration: none; background: var(--surface);
}
.chips a:hover { border-color: var(--accent); }