.checkout-page {
  padding-top: 140px; /* Clear fixed nav */
  padding-bottom: 80px;
  min-height: 80vh;
}

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

@media (max-width: 991px) {
  .checkout-grid {
    grid-template-columns: 1fr;
  }
}

.checkout-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.checkout-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-lg);
}

.checkout-header h1 {
  font-size: var(--fs-lg);
  font-weight: 800;
}

#cart-summary-text {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-muted);
}

/* Cart Items */
.cart-items-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.cart-item {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.cart-item:last-child {
  border-bottom: none;
}

.ci-image {
  width: 80px;
  height: 80px;
  background: #f8f9fb;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
}

.ci-image img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.ci-info h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.ci-meta {
  font-size: 13px;
  color: var(--color-muted);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.ci-price {
  font-weight: 700;
  color: #111;
  margin-top: 8px;
}

.ci-size-selector {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #f0f4f8;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.ci-size-selector label {
  font-weight: 600;
  color: var(--color-teal-deep);
  font-size: 12px;
}

.ci-size-selector select {
  border: none;
  background: none;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13px;
  color: var(--color-teal-mid);
  cursor: pointer;
  outline: none;
}

.ci-size-selector select:focus {
  color: var(--color-lime-dark);
}

.ci-controls {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: space-between;
}

.ci-qty {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #f8f9fb;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.qty-btn {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: var(--color-teal-mid);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qty-val {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
}

.ci-remove {
  background: none;
  border: none;
  color: #ff4d4f;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  padding: 4px;
}

/* Sidebar Summary */
.summary-card {
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.sticky-sidebar {
  position: sticky;
  top: 100px;
}

.summary-card h3 {
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.summary-details {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-bottom: var(--space-md);
  margin-bottom: var(--space-lg);
  border-bottom: 2px solid var(--color-border);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  color: var(--color-subtext);
}

.summary-row.total {
  font-size: 18px;
  font-weight: 800;
  color: #111;
}

.text-free {
  color: #22c55e;
  font-weight: 700;
}

.checkout-form-section h4 {
  font-size: 13px;
  text-transform: uppercase;
  color: var(--color-muted);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
}

.form-checkbox-group {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--space-md);
  padding: 10px 0;
  cursor: pointer;
}

.form-checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--color-lime);
}

.form-checkbox-group label {
  font-size: 14px;
  color: var(--color-teal-deep);
  font-weight: 600;
  cursor: pointer;
}

.btn-xl {
  padding: 16px;
  font-size: 16px;
}

.safe-checkout {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 12px;
  color: #999;
  margin-top: 16px;
}

.cart-empty-state {
  padding: 60px 20px;
  text-align: center;
}

.empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.cart-empty-state h3 {
  margin-bottom: 8px;
}

.cart-empty-state p {
  color: var(--color-muted);
  margin-bottom: 24px;
}