.checkout-main {
  background-color: var(--color-background);
}

.checkout-hero {
  padding-bottom: var(--space-4);
}

.checkout-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.checkout-breadcrumbs li + li::before {
  content: "/";
  margin: 0 var(--space-1);
}

.checkout-intro p {
  max-width: 40rem;
}

.checkout-layout {
  padding-top: 0;
}

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

@media (max-width: 960px) {
  .checkout-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.checkout-card {
  margin-bottom: var(--space-4);
}

.checkout-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.checkout-illustration {
  width: 96px;
  flex-shrink: 0;
}

.checkout-illustration-small {
  width: 72px;
}

.checkout-illustration-security {
  width: 104px;
}

@media (max-width: 640px) {
  .checkout-card-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .checkout-illustration,
  .checkout-illustration-small,
  .checkout-illustration-security {
    width: 72px;
  }
}

.checkout-order-list {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  overflow: hidden;
}

.checkout-order-header,
.checkout-order-item {
  display: grid;
  grid-template-columns: 2fr 1.2fr 0.8fr 1fr;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
}

.checkout-order-header {
  background-color: var(--color-gray-50);
  font-weight: 500;
}

.checkout-order-item + .checkout-order-item {
  border-top: 1px solid var(--color-border-subtle);
}

.checkout-item-name {
  font-weight: 500;
  margin-bottom: var(--space-1);
}

.checkout-item-meta {
  font-size: var(--font-size-xs);
}

@media (max-width: 768px) {
  .checkout-order-header {
    display: none;
  }

  .checkout-order-item {
    grid-template-columns: 1.6fr 1fr;
    grid-template-rows: auto auto;
  }

  .checkout-order-item > :nth-child(1) {
    grid-column: 1 / -1;
  }

  .checkout-order-item > :nth-child(4) {
    text-align: right;
  }
}

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

.checkout-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.checkout-form-grid--thirds {
  grid-template-columns: 0.9fr 1.3fr 1.1fr;
}

.checkout-form-field {
  width: 100%;
}

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

.checkout-fieldset {
  border: none;
  padding: 0;
  margin-top: var(--space-4);
}

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

.checkout-option {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  cursor: pointer;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), background-color var(--transition-fast);
}

.checkout-option + .checkout-option {
  margin-top: var(--space-2);
}

.checkout-option input[type="radio"] {
  margin-top: 0.25rem;
}

.checkout-option-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: var(--space-1);
}

.checkout-option-main {
  font-size: var(--font-size-sm);
  font-weight: 500;
}

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

.checkout-option-price {
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.checkout-option:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-soft);
  box-shadow: var(--shadow-sm);
}

.checkout-delivery-options,
.checkout-payment-options {
  display: flex;
  flex-direction: column;
}

.checkout-toggle-field {
  margin-top: var(--space-2);
}

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

.checkout-switch input {
  position: absolute;
  opacity: 0;
}

.checkout-switch-slider {
  width: 40px;
  height: 22px;
  border-radius: var(--radius-pill);
  background-color: var(--color-gray-300);
  position: relative;
  transition: background-color var(--transition-normal);
}

.checkout-switch-slider::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background-color: #ffffff;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal);
}

.checkout-switch input:checked + .checkout-switch-slider {
  background-color: var(--color-primary);
}

.checkout-switch input:checked + .checkout-switch-slider::before {
  transform: translateX(18px);
}

.checkout-switch-label {
  font-size: var(--font-size-sm);
}

.checkout-invoice-fields,
.checkout-account-fields {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border-subtle);
  display: grid;
  gap: var(--space-4);
}

.checkout-agreements {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.checkout-agreement-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
}

.checkout-agreement-item input[type="checkbox"] {
  margin-top: 0.2rem;
}

.checkout-security-header {
  align-items: center;
}

.checkout-security-list {
  margin: var(--space-2) 0;
  padding-left: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.checkout-security-list li + li {
  margin-top: var(--space-1);
}

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

.checkout-cost-list {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

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

.checkout-cost-row dt {
  color: var(--color-text-muted);
}

.checkout-cost-row dd {
  margin: 0;
}

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

.checkout-cost-total {
  padding-top: var(--space-2);
  margin-top: var(--space-1);
  border-top: 1px solid var(--color-border-subtle);
}

.checkout-final-action {
  margin-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.checkout-submit {
  width: 100%;
  justify-content: center;
}

.checkout-next-steps {
  font-size: var(--font-size-sm);
}

.checkout-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.checkout-help-heading {
  font-size: var(--font-size-md);
}

.checkout-help .btn {
  margin-bottom: var(--space-2);
}

@media (max-width: 480px) {
  .checkout-links {
    flex-direction: column;
  }
}