.to-top{position:fixed;right:24px;bottom:24px;z-index:55;width:54px;height:54px;border-radius:var(--r);background:var(--paper);border:1px solid var(--line);font-size:17px;color:var(--ink);box-shadow:0 8px 20px #0d0d0d1a;opacity:0;pointer-events:none;transform:translateY(8px);transition:background-color .18s,opacity .3s,transform .3s var(--ease)}.to-top.on{opacity:1;pointer-events:auto;transform:none}.to-top.on:active{transform:scale(.94);transition-duration:.06s}.to-top:hover{background:var(--canvas)}@media(prefers-reduced-motion:reduce){.to-top{transition:none}}