.universal-back-to-top{-webkit-backdrop-filter:blur(16px);color:#00adee;cursor:pointer;z-index:999;opacity:0;visibility:hidden;background:#0e2038e6;border:1.5px solid #00aeef80;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;transition:opacity .28s cubic-bezier(.16,1,.3,1),transform .28s cubic-bezier(.16,1,.3,1),visibility .28s cubic-bezier(.16,1,.3,1),background .2s,border-color .2s,color .2s,box-shadow .2s;display:flex;position:fixed;bottom:32px;right:32px;transform:translateY(16px);box-shadow:0 8px 24px #00000047,0 0 16px #00aeef40}.universal-back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}.universal-back-to-top:hover{color:#fff;background:#00adee;border-color:#29abe2;transform:translateY(-4px);box-shadow:0 12px 28px #00aeef80,0 0 20px #00aeef59}.universal-back-to-top:active{transform:translateY(-1px)scale(.95)}.universal-back-to-top svg{transition:transform .2s}.universal-back-to-top:hover svg{transform:translateY(-2px)}@media (max-width:768px){.universal-back-to-top{width:44px;height:44px;bottom:20px;right:20px}}