.checkout-layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.checkout-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.checkout-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  padding-left: 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.checkout-breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: var(--space-2);
  color: var(--color-gray-400);
}

.checkout-intro {
  max-width: 60ch;
}

.checkout-steps {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.checkout-step {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  background-color: var(--color-surface-muted);
}

.checkout-step-active {
  color: var(--color-primary-strong);
  background-color: var(--color-primary-soft);
}

.checkout-step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: var(--radius-full);
  background-color: var(--color-surface);
  box-shadow: var(--shadow-xs);
}

.checkout-step-label {
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.checkout-main-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: var(--space-6);
  align-items: flex-start;
}

.checkout-primary {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.checkout-summary {
  position: sticky;
  top: 6.5rem;
}

.checkout-block-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}

.checkout-cart-visual,
.checkout-reco-visual,
.checkout-security-visual {
  max-width: 160px;
}

.checkout-cart-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.checkout-cart-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.checkout-cart-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: var(--space-4);
  align-items: center;
}

.checkout-thumb-wrapper {
  width: 80px;
}

.checkout-cart-item-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-1);
}

.checkout-cart-item-title {
  font-size: var(--font-size-base);
  margin-bottom: 0;
}

.checkout-cart-item-meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.checkout-cart-item-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.checkout-quantity-control {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.checkout-qty-input {
  width: 4rem;
  text-align: center;
  padding-inline: 0.4rem;
}

.checkout-cart-item-price {
  text-align: right;
}

.checkout-line-price {
  font-weight: 600;
}

.checkout-line-price-muted {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.checkout-cart-note {
  font-size: var(--font-size-sm);
}

.checkout-form-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.checkout-fieldset {
  border-radius: var(--radius-md);
}

.checkout-legend {
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.checkout-radio-group {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.checkout-radio-option {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
}

.checkout-radio-option input[type="radio"] {
  accent-color: var(--color-primary);
}

.checkout-checkbox-option {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
}

.checkout-checkbox-option input[type="checkbox"] {
  accent-color: var(--color-primary);
}

.checkout-form-section {
  margin-top: var(--space-3);
}

.checkout-form-section-inner {
  margin-top: var(--space-2);
}

.checkout-shipping-address {
  margin-top: var(--space-3);
  display: none;
}

.checkout-shipping-address.is-visible {
  display: block;
}

.checkout-delivery-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.checkout-delivery-row {
  border-radius: var(--radius-md);
}

.checkout-delivery-option {
  width: 100%;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-200);
  background-color: var(--color-surface-muted);
}

.checkout-delivery-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  width: 100%;
}

.checkout-delivery-main {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.checkout-delivery-title {
  font-weight: 600;
}

.checkout-delivery-meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.checkout-delivery-price {
  font-weight: 600;
}

.checkout-delivery-extra {
  margin-top: var(--space-4);
}

.checkout-payment-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.checkout-payment-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.checkout-payment-option {
  width: 100%;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-200);
  background-color: var(--color-surface-muted);
}

.checkout-payment-content {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.checkout-payment-title {
  font-weight: 600;
}

.checkout-payment-meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.checkout-payment-extra {
  font-size: var(--font-size-sm);
}

.checkout-recommendations-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.checkout-recommendations-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.checkout-reco-item {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background-color: var(--color-surface-muted);
  font-size: var(--font-size-sm);
}

.checkout-reco-title {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-2);
}

.checkout-reco-text {
  margin-bottom: var(--space-3);
}

.checkout-loyalty-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.checkout-loyalty-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: var(--space-4);
}

.checkout-inline-field {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.checkout-loyalty-list {
  list-style: disc;
  padding-left: 1.25rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.checkout-security-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.checkout-security-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: var(--space-4);
}

.checkout-security-list {
  list-style: disc;
  padding-left: 1.25rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.checkout-security-links ul {
  list-style: none;
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
}

.checkout-support-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.checkout-support-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: var(--space-4);
}

.checkout-support-subtitle {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
}

.checkout-support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.checkout-support-info ul {
  list-style: disc;
  padding-left: 1.25rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.checkout-summary-card {
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

.checkout-summary-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.checkout-summary-list {
  margin: 0;
}

.checkout-summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  padding-block: 0.25rem;
}

.checkout-summary-row-strong dt,
.checkout-summary-row-strong dd {
  font-weight: 600;
}

.checkout-summary-total {
  border-top: 1px solid var(--color-gray-200);
  margin-top: var(--space-2);
  padding-top: var(--space-3);
  font-weight: 600;
}

.checkout-summary-discount {
  color: var(--color-success);
}

.checkout-summary-note {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.checkout-summary-footer {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.checkout-submit-btn {
  width: 100%;
}

.checkout-edit-cart-btn {
  width: 100%;
}

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

  .checkout-summary {
    position: static;
  }
}

@media (max-width: 768px) {
  .checkout-block-header {
    flex-direction: column;
  }

  .checkout-cart-item {
    grid-template-columns: minmax(0, 1fr);
    text-align: left;
  }

  .checkout-cart-item-price {
    text-align: left;
  }

  .checkout-recommendations-grid,
  .checkout-loyalty-grid,
  .checkout-security-grid,
  .checkout-support-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .checkout-reco-visual,
  .checkout-cart-visual,
  .checkout-security-visual {
    max-width: 100%;
  }

  .checkout-steps {
    gap: var(--space-2);
  }
}

@media (prefers-reduced-motion: reduce) {
  .checkout-summary {
    scroll-margin-top: 0;
  }
}