/* ── Billing model cards ────────────────────────────────────── */
.billing-model-cards {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

.billing-model-cards--spaced {
  margin-top: var(--space-lg);
}

@media (min-width: 768px) {
  .billing-model-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.model-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transition: border-color var(--transition);
}

.model-card:hover {
  border-color: var(--module-accent, var(--accent));
}

.model-card h4 {
  font-weight: 700;
  color: var(--text-primary);
}

.model-card p {
  color: var(--text-muted);
}

/* Example panel overrides used in billing-engine content blocks */
.panel--example {
  background: rgba(255, 255, 255, 0.03);
  margin-bottom: 10px;
  color: var(--text-muted);
  font-size: var(--text-base) !important;
  line-height: var(--leading-relaxed) !important;
}

.panel--example--spaced {
  margin-top: 28px;
}