<div class="product-search-bar">
    <input type="text" id="product-search-input" class="form-control" placeholder="Tìm kiếm sản phẩm...">
</div>
<div id="product-list-container">
    <div class="text-center p-5">
        <div class="spinner-border" role="status">
            <span class="visually-hidden">Loading...</span>
        </div>
    </div>
</div>