/* ==========================================================================
   カートページスタイル
   ========================================================================== */

/* 基本レイアウト
   ========================================================================== */
.cart-page {
  margin: 2rem 0;
}

.cart-title {
  font-size: 1.75rem;
  margin-bottom: 2rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border);
}

.cart-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .cart-content {
    flex-direction: row;
    gap: 3rem;
  }
  
  .cart-items-section {
    flex: 2;
  }
  
  .order-summary {
    flex: 1;
  }
}

/* パンくずリスト
   ========================================================================== */
.breadcrumb {
  margin: 1rem 0 2rem;
}

.breadcrumb ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.breadcrumb ul li {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.breadcrumb ul li:not(:last-child)::after {
  content: ">";
  margin-left: 0.5rem;
}

.breadcrumb ul li:last-child {
  font-weight: var(--font-weight-medium);
  color: var(--foreground);
}

/* カート商品
   ========================================================================== */
.cart-items {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.cart-item {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 1rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background-color: white;
  transition: box-shadow 0.2s ease;
  align-items: center;
  position: relative;
}

.cart-item:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* 商品画像
   ========================================================================== */
.item-image {
  width: 80px;
  height: 106px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

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

/* 商品詳細
   ========================================================================== */
.item-details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.item-details h3 {
  font-size: 1rem;
  margin: 0;
}

.item-details .author {
  color: var(--muted-foreground);
  font-size: 0.875rem;
  margin: 0;
}

.item-price {
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

/* 数量コントロール
   ========================================================================== */
.item-quantity {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.quantity-btn {
  width: 2rem;
  height: 2rem;
  background-color: var(--accent);
  border: none;
  font-size: 1rem;
  font-weight: var(--font-weight-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s;
  border-radius: var(--radius);
}

.quantity-btn:hover {
  background-color: var(--muted);
}

.quantity-btn.decrease {
  background-color: var(--secondary);
}

.quantity-btn.increase {
  background-color: var(--primary);
  color: white;
}

.item-quantity input {
  width: 3rem;
  height: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  font-size: 0.875rem;
  -moz-appearance: textfield;
}

.item-quantity input::-webkit-outer-spin-button,
.item-quantity input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* 合計金額と削除ボタン
   ========================================================================== */
.item-total {
  font-weight: var(--font-weight-medium);
  font-size: 1.125rem;
  min-width: 80px;
  text-align: right;
}

.remove-item {
  width: 2rem;
  height: 2rem;
  background-color: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--destructive);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  padding: 0;
  cursor: pointer;
}

.remove-item:hover {
  background-color: var(--destructive);
  color: white;
}

/* 買い物を続ける
   ========================================================================== */
.continue-shopping {
  margin-top: 1.5rem;
}

.continue-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color 0.2s;
}

.continue-btn:hover {
  color: var(--muted-foreground);
}

/* 注文概要
   ========================================================================== */
.order-summary {
  background-color: var(--secondary);
  padding: 1.5rem;
  border-radius: var(--radius);
  height: fit-content;
  position: sticky;
  top: 2rem;
}

.order-summary h2 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.summary-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.summary-item.total {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 1.125rem;
  font-weight: var(--font-weight-medium);
}

.checkout-btn {
  width: 100%;
  padding: 1rem;
  margin-top: 1.5rem;
  background-color: var(--primary);
  color: var(--primary-foreground);
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: background-color 0.2s;
}

.checkout-btn:hover {
  background-color: var(--primary-hover);
}

/* セキュリティ情報
   ========================================================================== */
.security-info {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.security-info p {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.5rem 0;
}

.security-info i {
  color: var(--primary);
}

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

.empty-cart-icon {
  font-size: 3rem;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
}

.empty-cart h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.empty-cart p {
  color: var(--muted-foreground);
  margin-bottom: 2rem;
}

.shop-now-btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: var(--primary);
  color: var(--primary-foreground);
  text-decoration: none;
  border-radius: var(--radius);
  font-weight: var(--font-weight-medium);
  transition: background-color 0.2s;
}

.shop-now-btn:hover {
  background-color: var(--primary-hover);
}

/* おすすめ商品
   ========================================================================== */
.recommended-products {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.recommended-products h2 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

/* レスポンシブ対応
   ========================================================================== */
@media (max-width: 767px) {
  .cart-item {
    grid-template-columns: auto 1fr;
    gap: 1rem;
    padding-right: 3rem;
  }

  .item-quantity,
  .item-total,
  .remove-item {
    grid-column: 2;
  }

  .item-quantity {
    margin-top: 0.5rem;
  }

  .item-total {
    text-align: left;
    margin-top: 0.5rem;
  }

  .remove-item {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 2rem;
    height: 2rem;
  }

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

  .cart-title {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .cart-item {
    padding: 1rem;
  }

  .item-image {
    width: 60px;
    height: 80px;
  }

  .item-details h3 {
    font-size: 0.875rem;
  }

  .item-details .author {
    font-size: 0.75rem;
  }

  .quantity-btn {
    width: 1.75rem;
    height: 1.75rem;
  }

  .item-quantity input {
    width: 2.5rem;
    height: 1.75rem;
  }

  .item-total {
    font-size: 1rem;
  }

  .remove-item {
    width: 1.75rem;
    height: 1.75rem;
  }
}