/* Products Page Specific Styles */

/* ページヘッダー */
.page-header {
    background: linear-gradient(135deg, var(--neutral-cream) 0%, var(--neutral-beige) 100%);
    padding: var(--spacing-xxl) 0 var(--spacing-xl);
    margin-top: 80px;
    text-align: center;
}

.page-header-content {
    max-width: 600px;
    margin: 0 auto;
}

.page-title {
    font-family: var(--font-serif);
    font-size: 3rem;
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.page-description {
    font-size: 1.1rem;
    color: var(--neutral-gray);
    line-height: 1.8;
}

/* カテゴリフィルター */
.category-filter {
    background-color: var(--neutral-white);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--neutral-beige);
    position: sticky;
    top: 80px;
    z-index: 100;
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.filter-tab {
    background: transparent;
    border: 2px solid var(--neutral-beige);
    color: var(--neutral-gray);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-default);
    position: relative;
    overflow: hidden;
}

.filter-tab::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(74, 92, 58, 0.1), transparent);
    transition: left 0.5s ease;
}

.filter-tab:hover::before {
    left: 100%;
}

.filter-tab:hover {
    border-color: var(--primary-green);
    color: var(--primary-green);
    transform: translateY(-2px);
}

.filter-tab.active {
    background-color: var(--primary-green);
    border-color: var(--primary-green);
    color: var(--neutral-white);
}

/* 商品グリッドセクション */
.products-grid-section {
    padding: var(--spacing-xxl) 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
}

/* 商品カード */
.product-card {
    background-color: var(--neutral-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition-default);
    position: relative;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.product-card.hidden {
    display: none;
}

.product-image {
    position: relative;
    overflow: hidden;
    height: 220px;
}

.product-image-placeholder {
    width: 100%;
    height: 100%;
    transition: var(--transition-default);
    background-size: cover;
    background-position: center;
}

.product-card:hover .product-image-placeholder {
    transform: scale(1.1);
}

/* 商品画像のバリエーション */
.product-image-placeholder.matcha-dorayaki {
    background: linear-gradient(135deg, #8BC34A 0%, #4CAF50 100%);
}

.product-image-placeholder.sakura-mochi {
    background: linear-gradient(135deg, #F8BBD9 0%, #E1BEE7 100%);
}

.product-image-placeholder.kuri-manjuu {
    background: linear-gradient(135deg, #D4AF37 0%, #B8860B 100%);
}

.product-image-placeholder.yokan {
    background: linear-gradient(135deg, #8B4513 0%, #A0522D 100%);
}

.product-image-placeholder.daifuku {
    background: linear-gradient(135deg, #F5F5DC 0%, #DDD0C0 100%);
}

.product-image-placeholder.premium-gift {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
}

.product-image-placeholder.seasonal-gift {
    background: linear-gradient(135deg, #98FB98 0%, #90EE90 100%);
}

.product-image-placeholder.autumn-wagashi {
    background: linear-gradient(135deg, #FF6347 0%, #FF4500 100%);
}

.product-image-placeholder.monaka {
    background: linear-gradient(135deg, #F4A460 0%, #CD853F 100%);
}

/* 商品ラベル */
.product-label {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--neutral-white);
    z-index: 2;
}

.product-label.seasonal {
    background-color: var(--accent-gold);
}

.product-label.traditional {
    background-color: var(--primary-green);
}

.product-label.gift {
    background-color: #E91E63;
}

/* 商品情報 */
.product-info {
    padding: var(--spacing-lg);
}

.product-name {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--primary-green);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.product-description {
    color: var(--neutral-gray);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-price {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: var(--spacing-lg);
}

/* 商品アクション */
.product-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.add-to-cart-btn {
    flex: 1;
    background-color: var(--primary-green);
    color: var(--neutral-white);
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-default);
    position: relative;
    overflow: hidden;
}

.add-to-cart-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease;
}

.add-to-cart-btn:hover::before {
    width: 200px;
    height: 200px;
}

.add-to-cart-btn:hover {
    background-color: var(--primary-green-dark);
    transform: translateY(-2px);
}

.product-detail-btn {
    flex: 1;
    background: transparent;
    color: var(--primary-green);
    border: 2px solid var(--primary-green);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-default);
}

.product-detail-btn:hover {
    background-color: var(--primary-green);
    color: var(--neutral-white);
    transform: translateY(-2px);
}

/* 読み込みボタン */
.load-more-section {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.load-more-btn {
    background-color: var(--neutral-beige);
    color: var(--primary-green);
    border: 2px solid var(--primary-green);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-default);
    position: relative;
    overflow: hidden;
}

.load-more-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s ease;
}

.load-more-btn:hover::after {
    left: 100%;
}

.load-more-btn:hover {
    background-color: var(--primary-green);
    color: var(--neutral-white);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(74, 92, 58, 0.3);
}

/* 特集セクション */
.featured-section {
    background-color: var(--neutral-cream);
    padding: var(--spacing-xxl) 0;
}

.featured-content {
    margin-top: var(--spacing-xl);
}

.featured-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
    background-color: var(--neutral-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: var(--transition-default);
}

.featured-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.featured-image {
    height: 300px;
    overflow: hidden;
}

.featured-image-placeholder {
    width: 100%;
    height: 100%;
    transition: var(--transition-default);
}

.featured-image-placeholder.spring-special {
    background: linear-gradient(135deg, #FFB6C1 0%, #FFC0CB 100%);
}

.featured-item:hover .featured-image-placeholder {
    transform: scale(1.1);
}

.featured-info {
    padding: var(--spacing-xl);
}

.featured-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.featured-description {
    color: var(--neutral-gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.featured-link {
    display: inline-block;
    background-color: var(--accent-gold);
    color: var(--neutral-white);
    padding: var(--spacing-sm) var(--spacing-lg);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition-default);
}

.featured-link:hover {
    background-color: var(--accent-gold-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.3);
}

/* カートに追加アニメーション */
@keyframes addToCart {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
    }
}

.add-to-cart-btn.adding {
    animation: addToCart 0.3s ease;
}

/* フィルターアニメーション */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-card.fade-in-filter {
    animation: fadeIn 0.5s ease;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .page-title {
        font-size: 2.5rem;
    }

    .filter-tabs {
        gap: var(--spacing-xs);
    }

    .filter-tab {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.9rem;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: var(--spacing-lg);
    }

    .product-actions {
        flex-direction: column;
    }

    .featured-item {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .featured-image {
        height: 200px;
    }

    .category-filter {
        position: static;
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 2rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .filter-tabs {
        flex-direction: column;
        align-items: center;
    }

    .filter-tab {
        width: 200px;
        text-align: center;
    }

    .product-info {
        padding: var(--spacing-md);
    }

    .featured-info {
        padding: var(--spacing-lg);
    }

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

/* アクセシビリティ */
@media (prefers-reduced-motion: reduce) {
    .product-card,
    .add-to-cart-btn,
    .product-detail-btn,
    .filter-tab,
    .featured-item {
        transition: none;
    }

    .product-card:hover {
        transform: none;
    }

    .add-to-cart-btn.adding {
        animation: none;
    }
}

/* 高コントラストモード */
@media (prefers-contrast: high) {
    .product-label {
        border: 2px solid var(--neutral-white);
    }

    .filter-tab.active {
        border: 3px solid var(--neutral-white);
    }
}