.scroll-to-top-btn{position:fixed;right:24px;bottom:96px;width:56px;height:56px;background:#1D1D1B;border:none;border-radius:4px;display:flex;align-items:center;justify-content:center;color:white;cursor:pointer;z-index:9998;transition:bottom .3s ease,transform .2s ease,box-shadow .2s ease,opacity .3s ease;opacity:0;animation:fadeInUp .3s ease forwards}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.scroll-to-top-btn.minicart-open{bottom:212px}.scroll-to-top-btn:hover{transform:translateY(-4px);box-shadow:0 6px 16px rgba(0,0,0,.3)}.scroll-to-top-btn:active{transform:translateY(-2px)}.scroll-to-top-btn svg{stroke:white}@media (max-width:640px){.scroll-to-top-btn{bottom:82px;right:16px;width:50px;height:50px}.scroll-to-top-btn.minicart-open{bottom:256px}.scroll-to-top-btn svg{width:18px;height:18px}}