/*
 * 심석 - 모바일 반응형 CSS 완벽 버전
 * 버전: v10.0 ULTIMATE
 * 작성일: 2026-03-21
 * 
 * ✅ 모든 디바이스에서 완벽한 제품 표시
 * ✅ 반응형 그리드 최적화
 * ✅ 모바일 UX 개선
 */

/* ========================================
   1. 제품 그리드 - 기본 (데스크톱)
======================================== */

#productsGrid {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* 데스크톱: 4열 */
    gap: 30px;
    padding: 20px 0;
}

/* ========================================
   2. 태블릿 (1024px 이하)
======================================== */

@media (max-width: 1024px) {
    #productsGrid {
        grid-template-columns: repeat(3, 1fr); /* 태블릿: 3열 */
        gap: 25px;
    }
}

/* ========================================
   3. 작은 태블릿 (768px 이하)
======================================== */

@media (max-width: 768px) {
    #productsGrid {
        grid-template-columns: repeat(2, 1fr); /* 작은 태블릿: 2열 */
        gap: 20px;
        padding: 15px 0;
    }
    
    .product-card {
        margin-bottom: 10px;
    }
    
    .product-name {
        font-size: 16px !important;
    }
    
    .product-price {
        font-size: 18px !important;
    }
}

/* ========================================
   4. 모바일 (480px 이하)
======================================== */

@media (max-width: 480px) {
    #productsGrid {
        grid-template-columns: 1fr; /* 모바일: 1열 */
        gap: 15px;
        padding: 10px 0;
    }
    
    .product-card {
        max-width: 100%;
        margin-bottom: 15px;
    }
    
    .product-image {
        height: 250px; /* 모바일에서 이미지 높이 조정 */
    }
    
    .product-name {
        font-size: 18px !important;
        line-height: 1.4;
    }
    
    .product-description {
        font-size: 13px !important;
        line-height: 1.5;
    }
    
    .product-price {
        font-size: 20px !important;
        font-weight: 700;
    }
    
    .product-btn {
        padding: 12px 20px;
        font-size: 15px;
    }
}

/* ========================================
   5. 제품 카드 스타일 강제 적용
======================================== */

.product-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex !important; /* 강제 */
    flex-direction: column !important; /* 강제 */
    visibility: visible !important; /* 강제 */
    opacity: 1 !important; /* 강제 */
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.product-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
    position: relative;
    background: #f5f5f5;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-info {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.product-category {
    font-size: 12px;
    color: #d4af37;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-name {
    font-size: 20px;
    font-weight: 700;
    color: #2c5f4f;
    line-height: 1.3;
    margin: 0;
}

.product-description {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

.product-price {
    font-size: 22px;
    font-weight: 800;
    color: #2c5f4f;
    margin: 10px 0;
}

.product-btn {
    width: 100%;
    padding: 14px 20px;
    background: linear-gradient(135deg, #2c5f4f 0%, #1a4034 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.product-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, #1a4034 0%, #2c5f4f 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(44, 95, 79, 0.3);
}

.product-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

/* ========================================
   6. 배지 스타일
======================================== */

.featured-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: linear-gradient(135deg, #d4af37 0%, #c19b2f 100%);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.stock-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.stock-badge.out-of-stock {
    background: #ff4444;
    color: white;
}

/* ========================================
   7. 페이지네이션 반응형
======================================== */

#pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin: 40px 0;
    flex-wrap: wrap;
}

.pagination-btn {
    padding: 10px 15px;
    background: white;
    border: 2px solid #ddd;
    border-radius: 8px;
    color: #333;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pagination-btn:hover:not(:disabled) {
    background: #2c5f4f;
    color: white;
    border-color: #2c5f4f;
}

.pagination-btn.active {
    background: #2c5f4f;
    color: white;
    border-color: #2c5f4f;
}

.pagination-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

@media (max-width: 480px) {
    .pagination-btn {
        padding: 8px 12px;
        font-size: 13px;
    }
}

/* ========================================
   8. 빈 상태 (제품 없음)
======================================== */

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.empty-state-title {
    font-size: 20px;
    color: #666;
    margin-bottom: 10px;
    font-weight: 600;
}

.empty-state-description {
    font-size: 15px;
    color: #999;
}

@media (max-width: 480px) {
    .empty-state {
        padding: 60px 20px;
    }
    
    .empty-state-icon {
        font-size: 48px;
    }
    
    .empty-state-title {
        font-size: 18px;
    }
    
    .empty-state-description {
        font-size: 14px;
    }
}

/* ========================================
   9. 로딩 상태
======================================== */

.loading-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
}

.loading-spinner {
    display: inline-block;
    width: 50px;
    height: 50px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #2c5f4f;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ========================================
   10. 컨테이너 반응형
======================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
}