.hdk-chapter-paywall {
  display: flex;
  justify-content: center;
  padding: 24px 0;
}

.hdk-chapter-paywall-card {
  background: var(--hdk-card, #f7f8f8);
  border: 1px solid var(--hdk-border, #e1eaef);
  border-radius: var(--hdk-radius-xl, 1rem);
  padding: 24px;
  max-width: 520px;
  width: 100%;
  text-align: center;
  box-shadow: var(--hdk-shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.1));
}

.hdk-chapter-paywall-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--hdk-text-primary, #0f1419);
  margin-bottom: 8px;
}

.hdk-chapter-paywall-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--hdk-primary, #54cfd6);
  margin-bottom: 8px;
}

.hdk-chapter-paywall-balance {
  font-size: 0.95rem;
  color: var(--hdk-text-secondary, #536471);
  margin-bottom: 16px;
}

.hdk-chapter-paywall-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.hdk-chapter-paywall-btn {
  min-width: 140px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.hdk-chapter-paywall-note {
  font-size: 0.85rem;
  color: var(--hdk-text-muted, #8899a6);
}

.hdk-chapter-paywall-btn.is-loading {
  opacity: 0.7;
  pointer-events: none;
}

@media (max-width: 576px) {
  .hdk-chapter-paywall-card {
    padding: 18px;
  }

  .hdk-chapter-paywall-actions {
    flex-direction: column;
  }

  .hdk-chapter-paywall-btn {
    width: 100%;
  }
}