@media (max-width:768px){.custom-filter-sidebar{display:none;position:fixed;top:0;left:0;width:80%;height:100%;background:#fff;z-index:999;padding:20px;box-shadow:2px 0 10px rgba(0,0,0,0.2);transition:transform 0.3s ease-in-out;transform:translateX(-100%)}.custom-filter-sidebar.show{transform:translateX(0);display:block}#filter-toggle-btn{display:block}}@media (min-width:769px){#filter-toggle-btn{display:none}}