/* カートページのスタイル */
.cart-page {
  padding: 3rem 0 5rem;
}

.page-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 2rem;
  text-align: center;
}

.cart-container {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 2rem;
}

/* カート内の商品リスト */
.cart-items {
  background-color: var(--white);
  border-radius: var(--border-radius);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

.cart-header {
  display: grid;
  grid-template-columns: 100px 2fr 1fr 1fr 50px;
  padding: 1rem;
  background-color: var(--gray-100);
  border-bottom: 1px solid var(--gray-200);
  font-weight: 600;
}

.cart-item {
  display: grid;
  grid-template-columns: 100px 2fr 1fr 1fr 50px;
  padding: 1.5rem 1rem;
  border-bottom: 1px solid var(--gray-200);
  align-items: center;
}

.item-image {
  width: 80px;
  height: 80px;
  border-radius: var(--border-radius);
  overflow: hidden;
}

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

.item-details {
  padding-right: 1rem;
}

.item-name {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.item-size {
  color: var(--gray-600);
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.item-options {
  color: var(--gray-600);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

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

.item-quantity .quantity-selector {
  width: fit-content;
}

.item-subtotal {
  font-weight: 600;
  color: var(--primary);
}

.remove-btn {
  background: none;
  border: none;
  color: var(--gray-500);
  cursor: pointer;
  transition: var(--transition);
}

.remove-btn:hover {
  color: var(--danger);
}

/* 空のカート表示 */
.empty-cart {
  padding: 3rem 1rem;
  text-align: center;
}

.empty-cart i {
  font-size: 3rem;
  color: var(--gray-400);
  margin-bottom: 1rem;
}

.empty-cart p {
  color: var(--gray-600);
  margin-bottom: 1.5rem;
}

/* カート合計 */
.cart-summary {
  background-color: var(--white);
  border-radius: var(--border-radius);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  padding: 1.5rem;
  position: sticky;
  top: 2rem;
}

.summary-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--gray-200);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.summary-label {
  color: var(--gray-600);
}

.summary-value {
  font-weight: 600;
}

.summary-total {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 2px solid var(--gray-200);
  font-size: 1.125rem;
}

.summary-total .summary-label {
  color: var(--gray-900);
  font-weight: 600;
}

.summary-total .summary-value {
  color: var(--primary);
  font-weight: 700;
}

.checkout-btn {
  width: 100%;
  margin-top: 1.5rem;
  padding: 1rem;
}

.continue-shopping {
  text-align: center;
  margin-top: 1rem;
}

.continue-shopping a {
  color: var(--gray-600);
  font-size: 0.875rem;
  text-decoration: underline;
}

.continue-shopping a:hover {
  color: var(--primary);
}

/* カート通知 */
.cart-notification {
  position: fixed;
  top: 20px;
  right: 20px;
  background-color: var(--white);
  border-radius: var(--border-radius);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
  padding: 1rem 1.5rem;
  z-index: 1000;
  transform: translateX(120%);
  transition: transform 0.3s ease;
}

.cart-notification.show {
  transform: translateX(0);
}

.notification-content {
  display: flex;
  align-items: center;
}

.notification-content i {
  color: var(--success);
  font-size: 1.25rem;
  margin-right: 0.75rem;
}

/* ヘッダーのカートアイコン */
.cart-icon {
  position: relative;
  margin-right: 1rem;
}

.cart-icon i {
  font-size: 1.25rem;
}

.cart-count {
  position: absolute;
  top: -8px;
  right: -8px;
  background-color: var(--primary);
  color: var(--white);
  font-size: 0.75rem;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* レスポンシブ対応 */
@media (max-width: 992px) {
  .cart-container {
    grid-template-columns: 1fr;
  }

  .cart-summary {
    position: static;
    margin-top: 2rem;
  }
}

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

  .cart-item {
    grid-template-columns: 80px 1fr;
    grid-template-rows: auto auto auto;
    gap: 0.5rem 1rem;
  }

  .item-image {
    grid-row: span 3;
  }

  .item-details {
    grid-column: 2;
    grid-row: 1;
  }

  .item-quantity {
    grid-column: 2;
    grid-row: 2;
  }

  .item-subtotal {
    grid-column: 2;
    grid-row: 3;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .item-remove {
    position: absolute;
    top: 1rem;
    right: 1rem;
  }
}

@media (max-width: 576px) {
  .cart-notification {
    left: 20px;
    right: 20px;
    text-align: center;
  }

  .notification-content {
    justify-content: center;
  }
}