.checkout-shell {
  padding: var(--space-10) 0;
}
.checkout-shell .summary {
  background: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  padding: 16px 20px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.checkout-shell .summary .price {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 900;
  color: var(--color-primary);
}

.step-panel { display: none; }
.step-panel.is-active { display: block; }

.step-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: var(--space-6);
}
.step-actions .btn-link {
  background: transparent;
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: 14px;
}
.step-actions .btn-link:hover { color: var(--color-primary); }

.payment-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin: var(--space-5) 0;
}
@media (max-width: 600px) { .payment-options { grid-template-columns: 1fr; } }
.payment-options label {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  transition: border-color var(--t-fast), background var(--t-fast);
}
.payment-options label:hover { border-color: var(--color-primary); }
.payment-options input { position: absolute; opacity: 0; pointer-events: none; }
.payment-options input:checked + .opt {
  color: var(--color-primary);
}
.payment-options label:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}
.payment-options .opt { font-weight: 700; font-size: 16px; }
.payment-options .desc { font-size: 12px; color: var(--color-text-secondary); }

.payment-error {
  color: var(--color-error);
  font-size: 14px;
  margin: 8px 0 0;
  min-height: 18px;
}

.confirmation-card {
  background: var(--color-primary-light);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
}
.confirmation-card h2 { color: var(--color-primary-dark); }
.confirmation-card .order-id {
  display: inline-block;
  background: #fff;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-family: monospace;
  font-weight: 700;
  margin: 8px 0 16px;
}
.next-steps {
  text-align: left;
  background: #fff;
  border-radius: var(--radius-md);
  padding: 20px;
  margin-top: 20px;
}
.next-steps h3 { font-size: 18px; margin-bottom: 8px; }
.next-steps ol { padding-left: 20px; margin: 0; }
.next-steps li { margin-bottom: 6px; }