.checkout-layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}

.checkout-header {
  text-align: left;
}



.checkout-breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  padding-left: 0;
  margin-bottom: var(--space-12);
  font-size: var(--font-size-sm);
  color: var(--gray-500);
}

.checkout-breadcrumbs li::after {
  content: "/";
  margin-left: var(--space-8);
}

.checkout-breadcrumbs li:last-child::after {
  content: "";
  margin: 0;
}

.checkout-breadcrumbs a {
  color: var(--color-accent-blue);
}

.checkout-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: var(--space-24);
  align-items: flex-start;
}

.checkout-main {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}

.checkout-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

.checkout-section {
  border-radius: var(--radius-lg);
}

.checkout-order-summary {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 2fr);
  gap: var(--space-16);
  align-items: center;
}

.checkout-order-summary-table {
  font-size: var(--font-size-sm);
}

.checkout-order-summary-header,
.checkout-order-summary-row {
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) 80px 80px 90px;
  gap: var(--space-8);
  align-items: center;
}

.checkout-order-summary-header {
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: var(--space-8);
}

.checkout-order-summary-row + .checkout-order-summary-row {
  margin-top: var(--space-8);
}

.checkout-order-summary-row p {
  margin-bottom: 0;
}

.checkout-qty-input {
  max-width: 72px;
  padding-inline: 0.4rem;
  text-align: center;
}

.checkout-form {
  margin-top: var(--space-8);
}

.checkout-form-grid {
  gap: var(--space-16);
}

.checkout-fieldset {
  border: none;
  padding: 0;
  margin: 0;
}

.checkout-shipping-options,
.checkout-payment-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.checkout-option {
  display: block;
}

.checkout-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.checkout-option-content {
  border-radius: var(--radius-md);
  border: 2px solid var(--gray-200);
  padding: var(--space-12) var(--space-16);
  background-color: #ffffff;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-8);
  align-items: center;
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
}

.checkout-option:hover .checkout-option-content {
  border-color: var(--color-accent-mint);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.checkout-option input[type="radio"]:focus-visible + .checkout-option-content {
  outline: 3px solid var(--color-accent-blue);
  outline-offset: 2px;
}

.checkout-option input[type="radio"]:checked + .checkout-option-content {
  border-color: var(--color-accent-blue);
  box-shadow: var(--shadow-md);
  background: linear-gradient(135deg, #ffffff, #e8fbff);
}

.checkout-option-main {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  align-items: center;
  margin-bottom: 2px;
}

.checkout-option-title {
  font-weight: 700;
}

.checkout-option-price {
  font-weight: 700;
  white-space: nowrap;
}

.checkout-payment-header {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.2fr);
  gap: var(--space-16);
  align-items: center;
}

.checkout-payment-media img {
  max-width: 220px;
  margin-left: auto;
}

.checkout-payment-details {
  margin-top: var(--space-16);
}

.checkout-payment-details-inner {
  padding-top: var(--space-8);
  border-top: 2px dashed var(--gray-200);
}

.checkout-invoice-toggle {
  margin-top: var(--space-8);
}

.checkout-invoice-fields {
  margin-top: var(--space-12);
  padding-top: var(--space-12);
  border-top: 2px dashed var(--gray-200);
}

.checkout-checkbox-group + .checkout-checkbox-group {
  margin-top: var(--space-8);
}

.checkout-checkbox-label {
  display: inline-flex;
  align-items: flex-start;
  gap: var(--space-8);
  font-size: var(--font-size-sm);
}

.checkout-checkbox-label input[type="checkbox"] {
  margin-top: 3px;
}

.checkout-final-header {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.2fr);
  gap: var(--space-16);
  align-items: center;
}

.checkout-final-media img {
  max-width: 220px;
  margin-left: auto;
}

.checkout-terms {
  margin-top: var(--space-12);
}

.checkout-submit {
  margin-top: var(--space-16);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.checkout-secure-note {
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

.checkout-message {
  min-height: 1.25rem;
}

.checkout-message .alert {
  margin-top: var(--space-4);
}

.checkout-cost-summary {
  position: sticky;
  top: var(--space-24);
}

.checkout-totals {
  margin-top: var(--space-8);
}

.checkout-totals-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-sm);
  margin-top: var(--space-4);
}

.checkout-totals-row--discount dd {
  color: var(--color-success);
}

.checkout-totals-row--grand {
  font-weight: 700;
  font-size: var(--font-size-md);
}

.checkout-totals-divider {
  height: 0;
  border-bottom: 2px dashed var(--gray-200);
  margin: var(--space-12) 0;
}

.checkout-sidebar-cta {
  width: 100%;
  margin-top: var(--space-16);
}

.checkout-support-list {
  margin-top: var(--space-8);
  margin-bottom: var(--space-8);
  padding-left: 1.1rem;
  font-size: var(--font-size-sm);
}

.checkout-support-chat {
  margin-top: var(--space-4);
}

.checkout-support-footer {
  margin-top: var(--space-8);
  font-size: var(--font-size-xs);
}

.checkout-links-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  margin-top: var(--space-4);
}

.checkout-links-grid .button {
  flex: 1 1 45%;
  justify-content: center;
}

.checkout-support,
.checkout-links {
  font-size: var(--font-size-sm);
}

.checkout-order-summary-media img,
.checkout-payment-media img,
.checkout-final-media img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

@media (max-width: 1024px) {
  .checkout-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  }
}

@media (max-width: 768px) {
  .checkout-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .checkout-cost-summary {
    position: static;
  }

  .checkout-order-summary {
    grid-template-columns: minmax(0, 1fr);
  }

  .checkout-payment-header,
  .checkout-final-header {
    grid-template-columns: minmax(0, 1fr);
  }

  .checkout-payment-media img,
  .checkout-final-media img {
    margin: 0 auto;
  }

  .checkout-option-content {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 520px) {
  .checkout-order-summary-header,
  .checkout-order-summary-row {
    grid-template-columns: minmax(0, 2fr) 64px 72px;
    grid-template-areas:
      "product qty qty"
      "product price total";
  }

  .checkout-order-summary-header span:nth-child(1),
  .checkout-order-summary-row > div:nth-child(1) {
    grid-area: product;
  }

  .checkout-order-summary-header span:nth-child(2),
  .checkout-order-summary-row > div:nth-child(2) {
    grid-area: qty;
  }

  .checkout-order-summary-header span:nth-child(3),
  .checkout-order-summary-row span:nth-child(3) {
    grid-area: price;
  }

  .checkout-order-summary-header span:nth-child(4),
  .checkout-order-summary-row span:nth-child(4) {
    grid-area: total;
    text-align: right;
  }
}