.mobile-category-container-nav{display:flex;height:100vh}.sidebar-nav{width:100px;overflow-y:auto;border-right:1px solid #ddd;background-color:#f4f4f4}.category-list-nav{display:flex;flex-direction:column}.category-item-nav{display:flex;align-items:center;padding:5px;cursor:pointer;border-bottom:1px solid #ddd;background-color:#fff}.category-item-nav:hover{background-color:#f0f0f0}.category-item-nav.active{background-color:#e0e0e0;font-weight:700}.subcategory-container-nav{flex:1;padding:20px;overflow-y:auto;background-color:#fff}.subcategory-container-nav h2{margin-bottom:15px}.subcategory-container-nav ul{list-style-type:none;padding:0;margin:0}.subcategory-container-nav li{padding:5px 0}.subcategory-title-nav{display:flex;justify-content:space-between;align-items:center;cursor:pointer;padding:10px;color:#131a79;border-bottom:1px solid #ddd}.expand-icon-nav{font-size:14px;margin-left:10px;transition:transform .3s}.expand-icon-nav.expanded{transform:rotate(180deg)}.nested-subcategories-nav{margin-top:10px;padding-left:20px}.nested-subcategories-nav li{padding:5px 0;color:#5a5757}