/* Guide pages: plain, scrolling articles that share the app's colours. */
:root {
  --bg: #0e1013;
  --panel: #171a1f;
  --line: rgba(255, 255, 255, 0.08);
  --text: #eceef1;
  --muted: #8b929c;
  --field: rgba(255, 255, 255, 0.06);
  --migros: #ff6a00;
  --coop: #e3122a;
  --accent: #ff6a00;
  color-scheme: dark;
}

/* Dark is the default; light follows the app's theme button. */
:root[data-theme="light"] {
  --bg: #f3f1ee;
  --panel: #ffffff;
  --line: rgba(0, 0, 0, 0.08);
  --text: #1d1f23;
  --muted: #6b7079;
  --field: rgba(0, 0, 0, 0.05);
  color-scheme: light;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Cantarell, sans-serif;
  font-variant-numeric: tabular-nums;
}

a { color: var(--accent); }

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 760px;
  margin: 0 auto;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 8px; color: var(--text); font-weight: 600; text-decoration: none; }
.top .open { font-size: 15px; }

main { max-width: 760px; margin: 0 auto; padding: 8px 16px 48px; }

.crumbs { font-size: 14px; color: var(--muted); margin: 16px 0 0; }
.crumbs a { color: var(--muted); }

h1 { font-size: clamp(28px, 6vw, 40px); line-height: 1.15; margin: 12px 0 16px; }
h2 { font-size: 24px; line-height: 1.25; margin: 40px 0 12px; }
h3 { font-size: 18px; margin: 24px 0 6px; }
.lead { font-size: 19px; }
.meta { font-size: 14px; color: var(--muted); }

.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; }
.dot.migros { background: var(--migros); }
.dot.coop { background: var(--coop); }

.calc {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  margin: 24px 0;
}
.calc h2 { margin-top: 0; font-size: 20px; }
.fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.calc label { display: grid; gap: 4px; font-size: 14px; color: var(--muted); }
.calc input, .calc select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--field);
  color: var(--text);
  font: inherit;
  font-size: 18px;
}
.result { margin: 16px 0 0; font-size: 18px; }
.result b { font-size: 28px; display: block; }
.result small { display: block; color: var(--muted); font-size: 14px; }

table { width: 100%; border-collapse: collapse; margin: 12px 0; }
th, td { text-align: right; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th:first-child, td:first-child { text-align: left; white-space: normal; }
th { font-size: 14px; color: var(--muted); font-weight: 600; }

.cta {
  display: inline-block;
  margin: 8px 0;
  padding: 10px 18px;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
}

footer { max-width: 760px; margin: 0 auto; padding: 24px 16px 40px; border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); }

.related { display: grid; gap: 8px; padding: 0; list-style: none; }