.back-to-top{position:fixed;left:22px;bottom:max(22px,env(safe-area-inset-bottom));z-index:29;display:grid;place-items:center;width:48px;height:48px;padding:0;border-radius:50%;border:1px solid #ffffff66;background:#e1eeeb80;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);color:#24434b;box-shadow:0 5px 20px #24434b16;cursor:pointer;transition:background .2s,transform .2s}.back-to-top[hidden]{display:none}.back-to-top:hover{background:#eef6f3c9;transform:translateY(-2px)}.back-to-top:focus-visible{outline:2px solid #416d75;outline-offset:4px}@media(max-width:760px){.back-to-top{left:14px;bottom:max(14px,env(safe-area-inset-bottom));width:44px;height:44px}}@media(prefers-reduced-motion:reduce){.back-to-top{transition:none}}