:root {
  color-scheme: light dark;
  --fg: #111;
  --muted: #555;
  --border: #ccc;
  --bg: #fff;
  --btn-bg: #f4f4f4;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #f4f4f4;
    --muted: #b3b3b3;
    --border: #444;
    --bg: #111;
    --btn-bg: #222;
  }
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--fg);
  background: var(--bg);
}

main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

.qualification h1 {
  font-size: 1.75rem;
  margin: 0 0 0.5rem;
}

.lede {
  color: var(--muted);
  margin: 0 0 1.5rem;
}

.counter {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.counter-btn {
  width: 2.5rem;
  height: 2.5rem;
  font-size: 1.25rem;
  border: 1px solid var(--border);
  background: var(--btn-bg);
  color: var(--fg);
  cursor: pointer;
}

.counter-value {
  min-width: 2.5rem;
  text-align: center;
  font-size: 1.5rem;
  font-variant-numeric: tabular-nums;
}

.db-panel {
  border-top: 1px solid var(--border);
  margin-top: 1.5rem;
  padding-top: 1rem;
}

.db-status {
  color: var(--muted);
  margin: 0 0 0.75rem;
}

.db-value-row {
  margin: 0 0 0.75rem;
}

.db-value {
  display: inline-block;
  min-width: 2.5rem;
  font-size: 1.5rem;
  font-variant-numeric: tabular-nums;
}

.db-panel .counter-btn {
  width: auto;
  height: 2.25rem;
  padding: 0 0.75rem;
  font-size: 0.95rem;
  margin-right: 0.5rem;
}