/* Reflex Challenge */

.rc-title {
  text-align: center;
  margin-bottom: 0.35rem;
}

.rc-lead {
  text-align: center;
  max-width: 32rem;
  margin: 0 auto 1.25rem;
}

.rc-stage-wrap {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 1rem;
}

.rc-stage {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1.25rem;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.12s ease, color 0.12s ease;
  text-align: center;
}

.rc-stage--idle {
  background: linear-gradient(160deg, #f1f5f9 0%, #e2e8f0 100%);
  color: var(--text);
}

.rc-stage--wait {
  background: linear-gradient(160deg, #b91c1c 0%, #991b1b 100%);
  color: #fff;
  cursor: not-allowed;
}

.rc-stage--go {
  background: linear-gradient(160deg, #16a34a 0%, #15803d 100%);
  color: #fff;
  cursor: pointer;
}

.rc-stage--early {
  background: linear-gradient(160deg, #ca8a04 0%, #a16207 100%);
  color: #fff;
}

.rc-stage--result {
  background: linear-gradient(160deg, #2563eb 0%, #1d4ed8 100%);
  color: #fff;
}

.rc-stage-main {
  margin: 0;
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.rc-stage-sub {
  margin: 0.65rem 0 0;
  font-size: 0.95rem;
  font-weight: 600;
  opacity: 0.92;
}

.rc-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.rc-stat {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.85rem;
  background: var(--surface);
  text-align: center;
}

.rc-stat-k {
  display: block;
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.rc-stat-v {
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.rc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.rc-hint {
  margin: 1rem 0 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}