/* E-commerce Product Card Styles */
:root {
    --primary-color: #2563eb;
    --danger-color: #ef4444;
    --success-color: #22c55e;
    --text-color: #1f2937;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e5e7eb;
}

/* Base Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f3f4f6;
    color: var(--text-color);
    line-height: 1.6;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Section Title */
.section-title {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--danger-color));
    border-radius: 2px;
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

/* Product Card */
.product-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid var(--border-color);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    border-color: rgba(0, 0, 0, 0.1);
}

/* Product Image */
.product-image {
    position: relative;
    height: 250px;
    overflow: hidden;
    background-color: #e5e7eb;
    border-bottom: 1px solid var(--border-color);
}

.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);
}

/* Discount Badge */
.discount-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--danger-color);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    animation: pulse 2s infinite;
    z-index: 10;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Product Info */
.product-info {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Product Name */
.product-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    line-height: 1.3;
    min-height: 2.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    line-clamp: 2;
}

/* Product Description */
.product-description {
    color: #6b7280;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.5;
    min-height: 3rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    line-clamp: 2;
}

/* Price Section */
.price-section {
    margin: 1rem 0;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.original-price {
    font-size: 1rem;
    color: #9ca3af;
    text-decoration: line-through;
    font-weight: 500;
}

.current-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--success-color);
    background: rgba(34, 197, 94, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 8px;
    border: 2px solid rgba(34, 197, 94, 0.3);
}

/* Rating Section */
.rating-section {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.rating-text {
    font-size: 0.9rem;
    color: #6b7280;
    font-weight: 500;
}

/* Action Buttons */
.product-actions {
    margin-top: auto;
    display: flex;
    gap: 0.5rem;
}

.btn-action {
    flex: 1;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary-action {
    background: linear-gradient(135deg, var(--primary-color), #1d4ed8);
    color: white;
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

.btn-primary-action:hover {
    background: linear-gradient(135deg, #1d4ed8, #1e40af);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-secondary-action {
    background: white;
    color: var(--text-color);
    border: 2px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.btn-secondary-action:hover {
    background: #f3f4f6;
    border-color: #d1d5db;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1.5rem;
    }
    
    .product-image {
        height: 200px;
    }
    
    .product-info {
        padding: 1rem;
    }
    
    .product-name {
        font-size: 1.1rem;
        min-height: 2rem;
    }
    
    .current-price {
        font-size: 1.25rem;
    }
    
    .btn-action {
        padding: 0.6rem 0.8rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0.5rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .product-image {
        height: 180px;
    }
    
    .discount-badge {
        font-size: 0.8rem;
        padding: 4px 8px;
    }
    
    .product-info {
        padding: 1rem;
    }
    
    .product-name {
        font-size: 1rem;
        min-height: 2.2rem;
    }
    
    .price-section {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .btn-action {
        padding: 0.8rem 1rem;
    }
}

/* Loading Animation */
.product-card.loading {
    opacity: 0.5;
    pointer-events: none;
}

.product-card.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.3);
    z-index: 5;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem;
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.empty-state i {
    font-size: 3rem;
    color: #9ca3af;
    margin-bottom: 1rem;
}

.empty-state h3 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: #6b7280;
    margin-bottom: 1.5rem;
}

/* Search and Filter Section */
.search-section {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.form-control {
    border-radius: 8px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    transform: translateY(-1px);
}

.btn {
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--primary-color);
    border: none;
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-danger {
    background: var(--danger-color);
    border: none;
}

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

/* Utility Classes */
.text-bangla {
    font-family: 'Noto Sans Bengali', 'SolaimanLipi', Arial, sans-serif;
}

.text-primary-bangla {
    color: var(--primary-color);
    font-weight: 600;
}

.text-success-bangla {
    color: var(--success-color);
    font-weight: 700;
}

.text-danger-bangla {
    color: var(--danger-color);
    font-weight: 700;
}

/* Animation Enhancements */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-card {
    animation: fadeInUp 0.5s ease-out;
}

/* Accessibility Improvements */
.product-card:focus-within {
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
    outline: none;
}

.btn-action:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .product-card {
        box-shadow: none;
        border: 1px solid #ccc;
        break-inside: avoid;
    }
    
    .discount-badge {
        background: #000 !important;
        color: white !important;
        animation: none !important;
    }
    
    .btn-action {
        display: none;
    }
}