.aca-back-to-top{position:fixed;inset-inline-start:var(--aca-space-large);inset-block-end:calc(var(--aca-space-base) + env(safe-area-inset-bottom,0px));z-index:calc(var(--aca-header-layer) - 1);inline-size:48px;block-size:48px;padding:0;opacity:0;visibility:hidden;transform:translateY(var(--aca-space-base));box-shadow:0 4px 16px rgb(0 0 0 / 16%);transition:opacity var(--aca-transition),transform var(--aca-transition),background-color var(--aca-transition),visibility var(--aca-transition)}.aca-back-to-top[hidden]{display:none}.aca-back-to-top[data-visible]{opacity:1;visibility:visible;transform:translateY(0)}.aca-back-to-top img{transform:rotate(90deg)}@media (max-width:1100px){.aca-back-to-top{inset-inline-start:var(--aca-space-base);inset-block-end:calc(var(--aca-space-base) + var(--aca-space-small) + env(safe-area-inset-bottom,0px));inline-size:44px;block-size:44px}}@media (prefers-reduced-motion:reduce){.aca-back-to-top{transition:none;transform:none}}