/* ============================================
   Checkout Page Styles
   ============================================ */

.checkout-page {
  padding: 48px 24px 100px;
  background: var(--color-bg);
  min-height: calc(100vh - var(--nav-height));
}

.checkout-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 40px;
}

.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 48px;
  align-items: start;
}

.checkout-form-wrapper {
  min-width: 0;
}

.checkout-form {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 32px;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 20px;
  animation: fadeInUp 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.checkout-form h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

/* Checkout Summary */
.checkout-summary-wrapper {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
}

.checkout-summary {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid var(--color-border);
}

.checkout-summary h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.checkout-items {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 20px;
  max-height: 320px;
  overflow-y: auto;
  padding-right: 4px;
}

.checkout-item {
  display: flex;
  align-items: center;
  gap: 14px;
}

.checkout-item-image {
  position: relative;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: linear-gradient(145deg, var(--color-bg), var(--color-surface));
  flex-shrink: 0;
}

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

.checkout-item-qty {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 20px;
  height: 20px;
  background: var(--color-accent);
  color: white;
  font-size: 0.6875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.checkout-item-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}

.checkout-item-name {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.checkout-item-price {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.checkout-item-total {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

/* Success / Empty States */
.checkout-success,
.checkout-empty {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
  gap: 16px;
}

.checkout-success .success-icon {
  color: #34c759;
  margin-bottom: 8px;
}

.checkout-empty .empty-icon {
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.checkout-success h2,
.checkout-empty h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
}

.checkout-success p,
.checkout-empty p {
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

/* Responsive */
@media (max-width: 900px) {
  .checkout-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

@media (max-width: 480px) {
  .checkout-page {
    padding: 24px 16px 60px;
  }

  .checkout-container {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .checkout-form {
    padding: 16px;
  }

  .form-group label {
    font-size: 0.9375rem;
  }

  .form-group input,
  .form-group select {
    font-size: 16px;
  }

  .order-summary {
    padding: 20px;
  }

  .summary-item {
    font-size: 0.875rem;
  }

  .btn-lg {
    width: 100%;
  }
}