/* ================================================
   ACERO SHOP V2 - CHECKOUT STYLES
   ================================================
   Page-specific styles for checkout.html
   Mobile First.
   ================================================ */

/* ============================================
   CHECKOUT STEPS
   ============================================ */

.checkout-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-16);
  gap: var(--space-8);
  background-color: var(--color-card-background);
  border-bottom: 1px solid var(--color-border);
}

.checkout-step {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
}

.checkout-step .step-number {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background-color: #F0F0F0;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-bold);
  transition: all var(--transition-normal);
}

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

.checkout-step.active {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.checkout-step.completed .step-number {
  background-color: var(--color-success);
  color: var(--color-text-white);
}

.checkout-step.completed {
  color: var(--color-success);
}

.checkout-step-arrow {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
}

/* ============================================
   CHECKOUT SECTIONS
   ============================================ */

.checkout-section {
  padding: var(--space-16);
}

.checkout-section .section-subtitle {
  font-size: var(--font-size-heading-3);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-20);
  color: var(--color-text-primary);
}

/* ============================================
   PAYMENT OPTIONS
   ============================================ */

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

.payment-option-card {
  display: block;
  cursor: pointer;
}

.payment-option-card input[type="radio"] {
  display: none;
}

.payment-option-content {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  padding: var(--space-16);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-card);
  transition: all var(--transition-fast);
  background-color: var(--color-card-background);
}

.payment-option-card input[type="radio"]:checked + .payment-option-content {
  border-color: var(--color-primary);
  background-color: #F0FDF9;
}

.payment-option-icon {
  font-size: 32px;
  flex-shrink: 0;
}

.payment-option-info {
  flex: 1;
}

.payment-option-info strong {
  display: block;
  font-size: var(--font-size-card-title);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.payment-option-info p {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  margin: 0;
}

.payment-option-check {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: transparent;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.payment-option-card input[type="radio"]:checked + .payment-option-content .payment-option-check {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-white);
}

/* ============================================
   BANK TRANSFER DETAILS
   ============================================ */

.bank-transfer-details {
  margin-top: var(--space-16);
}

.payment-instructions-card {
  background-color: #FFFDF5;
  border: 1px solid #F0E6B2;
  border-radius: var(--radius-card);
  padding: var(--space-16);
}

.payment-instructions-card h4 {
  font-size: var(--font-size-card-title);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-12);
  color: var(--color-text-primary);
}

.payment-instructions-card p {
  font-size: var(--font-size-description);
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
}

/* ============================================
   ORDER ITEMS LIST
   ============================================ */

.order-items-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

.order-item-card {
  display: flex;
  gap: var(--space-12);
  padding: var(--space-12);
  background-color: var(--color-card-background);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-light);
}

.order-item-image {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-small);
  overflow: hidden;
  flex-shrink: 0;
  background-color: #F5F5F5;
}

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

.order-item-info {
  flex: 1;
  min-width: 0;
}

.order-item-title {
  font-size: var(--font-size-description);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.order-item-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
}

.order-item-price {
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

/* ============================================
   PRICE SUMMARY
   ============================================ */

.price-summary-card {
  background-color: #FAFAFA;
  border-radius: var(--radius-card);
  padding: var(--space-16);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-8) 0;
  font-size: var(--font-size-description);
  color: var(--color-text-secondary);
}

.summary-row + .summary-row {
  border-top: 1px solid var(--color-divider);
}

.summary-total {
  font-size: var(--font-size-price);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  padding: var(--space-12) 0;
}

.summary-total span:last-child {
  font-size: 22px;
}

/* ============================================
   SUCCESS MODAL
   ============================================ */

.success-icon-large {
  font-size: 72px;
  margin-bottom: var(--space-16);
}

#successModal h2 {
  font-size: var(--font-size-heading-2);
  font-weight: var(--font-weight-bold);
  color: var(--color-success);
  margin-bottom: var(--space-8);
}

#successModal p {
  font-size: var(--font-size-description);
  color: var(--color-text-secondary);
}

/* ============================================
   BUTTON LOADING
   ============================================ */

.btn-loading {
  display: inline-block;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (min-width: 768px) {
  .checkout-section {
    padding: var(--space-24);
    max-width: 640px;
    margin: 0 auto;
  }

  .checkout-steps {
    padding: var(--space-16) var(--space-24);
  }
}

@media (min-width: 1024px) {
  .checkout-content-wrapper {
    display: flex;
    gap: var(--space-32);
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: var(--space-24);
  }

  .checkout-section {
    max-width: none;
    flex: 1;
  }

  .order-summary-sidebar {
    width: 380px;
    flex-shrink: 0;
    position: sticky;
    top: calc(var(--header-height) + var(--space-24));
    align-self: flex-start;
  }
}