/* Checkout Page Styles */

/* Checkout Header */
.checkout-header {
  position: relative;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.checkout-header .header-container {
  justify-content: space-between;
}

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

.step {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
}

.step.active {
  color: var(--color-primary);
}

.step-number {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
}

.step.active .step-number {
  background-color: var(--color-primary);
  color: white;
}

.step-label {
  font-size: var(--text-sm);
  font-weight: 500;
}

.step-connector {
  width: 40px;
  height: 2px;
  background-color: var(--color-border);
}

.back-to-cart {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.back-to-cart:hover {
  color: var(--color-primary);
}

/* Checkout Section */
.checkout-section {
  padding: var(--space-8) 0 var(--space-20);
  background-color: var(--color-background);
}

.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: var(--space-8);
  align-items: start;
}

/* Checkout Form */
.checkout-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.checkout-block {
  background-color: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.block-title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
}

/* Form Elements */
.form-row {
  margin-bottom: var(--space-4);
}

.form-row.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-row.three-col {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-4);
}

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

.form-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-primary);
}

.form-label::after {
  content: '';
  color: var(--color-error);
}

.form-input,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  background-color: var(--color-surface);
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

.form-checkbox {
  margin-top: var(--space-4);
}

.form-checkbox label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
}

.form-checkbox input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
}

/* Shipping Options */
.shipping-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.shipping-option {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.shipping-option:hover,
.shipping-option.selected {
  border-color: var(--color-primary);
}

.shipping-option input {
  display: none;
}

.shipping-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.shipping-name {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 500;
}

.radio-circle {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  position: relative;
  transition: all var(--transition-fast);
}

.shipping-option.selected .radio-circle,
.payment-option.selected .radio-circle,
.billing-option.selected .radio-circle {
  border-color: var(--color-primary);
}

.shipping-option.selected .radio-circle::after,
.payment-option.selected .radio-circle::after,
.billing-option.selected .radio-circle::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
}

.shipping-price {
  font-weight: 600;
  color: var(--color-text-primary);
}

.shipping-price.shipping-free {
  color: var(--color-success);
}

.shipping-time {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: 32px;
}

/* Payment Options */
.payment-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.payment-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.payment-option:hover,
.payment-option.selected {
  border-color: var(--color-primary);
}

.payment-option input {
  display: none;
}

.payment-option span:not(.radio-circle) {
  flex: 1;
  font-weight: 500;
}

.payment-icons {
  display: flex;
  gap: var(--space-2);
}

.payment-icons img {
  height: 24px;
  width: auto;
}

/* Payment Form */
.payment-form {
  padding: var(--space-4);
  background-color: var(--color-background);
  border-radius: var(--radius-lg);
  margin-top: var(--space-3);
}

/* Billing Options */
.billing-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.billing-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.billing-option:hover,
.billing-option.selected {
  border-color: var(--color-primary);
}

.billing-option input {
  display: none;
}

/* Checkout Actions */
.checkout-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-4);
}

.back-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-primary);
  font-size: var(--text-base);
  transition: opacity var(--transition-fast);
}

.back-link:hover {
  opacity: 0.8;
}

.complete-order {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
}

.complete-order:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.secure-checkout {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.secure-checkout svg {
  color: var(--color-success);
}

/* Order Summary */
.order-summary {
  background-color: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  position: sticky;
  top: 100px;
}

.order-summary .summary-title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.order-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.order-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.order-item-img {
  position: relative;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.order-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.item-qty {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 20px;
  height: 20px;
  background-color: var(--color-primary);
  color: white;
  font-size: 11px;
  font-weight: 600;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.order-item-info {
  flex: 1;
}

.order-item-info h4 {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.item-variant {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.order-item-price {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
}

.summary-divider {
  height: 1px;
  background-color: var(--color-border);
  margin: var(--space-4) 0;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-3);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
}

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

.summary-row.total {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-top: var(--space-4);
}

.summary-input {
  display: flex;
  gap: var(--space-2);
}

.summary-input .form-input {
  flex: 1;
}

.summary-input .btn {
  white-space: nowrap;
}

.total-price {
  text-align: right;
}

.total-price .currency {
  display: block;
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-muted);
}

.total-price .amount {
  font-size: var(--text-2xl);
  color: var(--color-primary);
}

/* Order Modal */
.order-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.order-modal.hidden {
  display: none;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
  position: relative;
  background-color: var(--color-surface);
  border-radius: var(--radius-2xl);
  padding: var(--space-12);
  text-align: center;
  max-width: 500px;
  margin: var(--space-4);
  animation: modalIn 0.3s ease;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.success-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-6);
  background-color: var(--color-success);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.modal-content h2 {
  font-size: var(--text-3xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.modal-content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.order-email {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.modal-actions {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.modal-actions .btn {
  flex: 1;
}

/* Responsive */
@media (max-width: 1024px) {
  .checkout-layout {
    grid-template-columns: 1fr;
  }
  
  .order-summary {
    position: relative;
    top: 0;
    order: -1;
  }
  
  .checkout-steps {
    display: none;
  }
}

@media (max-width: 768px) {
  .form-row.two-col,
  .form-row.three-col {
    grid-template-columns: 1fr;
  }
  
  .checkout-actions {
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .checkout-actions .btn {
    width: 100%;
    justify-content: center;
  }
  
  .modal-actions {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .checkout-block {
    padding: var(--space-4);
  }
  
  .payment-option {
    flex-wrap: wrap;
  }
  
  .payment-icons {
    width: 100%;
    margin-top: var(--space-2);
  }
}