#scroll-to-top{position:fixed;bottom:30px;right:30px;width:60px;height:60px;z-index:9999;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transition:opacity 0.3s ease,visibility 0.3s ease}.progress-ring{position:absolute;top:0;left:0;transform:rotate(-90deg);overflow:visible}.progress-ring__circle{transition:stroke-dashoffset 0.3s ease;stroke-dasharray:176;stroke-dashoffset:176;stroke:rgba(204,204,204,0.4)}#scroll-to-top[data-progress='true'] .progress-ring__circle{stroke:#FF4500}.chevron-up{position:relative;z-index:10;transition:stroke 0.3s ease}#scroll-to-top:hover .chevron-up{stroke:#FF4500}#scroll-to-top.show{opacity:1;visibility:visible}