.product-card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.3s;
    position: relative;
}

.product-prices {
    margin: 1rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.price {
    color: #333;
    font-size: 1.2rem;
    font-weight: bold;
}

.original-price {
    color: #999;
    text-decoration: line-through;
    font-size: 1rem;
}

.discount-price {
    color: #e74c3c;
    font-size: 1.2rem;
    font-weight: bold;
}

@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1rem;
    }

    .product-card {
        padding: 1rem;
        margin: 0.5rem;
    }
    
    .product-prices {
        margin: 0.8rem 0;
        flex-direction: row;
        justify-content: center;
        gap: 1rem;
    }
    
    .price, .discount-price {
        font-size: 1.1rem;
    }
    
    .original-price {
        font-size: 0.9rem;
    }

    .product-order-form {
        flex-direction: column;
        gap: 0.8rem;
    }

    .product-order-form input[type="number"] {
        width: 100%;
        padding: 0.8rem;
    }

    .product-order-form button {
        padding: 0.8rem;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }

    .product-card {
        margin: 0.5rem 0;
    }

    .product-prices {
        flex-direction: column;
        gap: 0.5rem;
    }

    .product-order-form {
        margin: 0.5rem 0;
    }
}

.product-stock {
    color: #666;
    margin: 0.5rem 0;
    font-size: 0.9rem;
}

.product-order-form {
    margin: 1rem 0;
    display: flex;
    gap: 0.5rem;
}

.product-order-form input[type="number"] {
    width: 60px;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.product-order-form button {
    flex: 1;
    background: #1abc9c;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
}

.product-order-form button:hover {
    background: #16a085;
}

.product-card .product-button {
    display: block;
    margin-top: 0.5rem;
    text-align: center;
}