/* Small shared scroll-to-top control, scoped to avoid existing page styles. */
button.pethub-back-top{position:fixed;right:18px;bottom:calc(var(--pethub-top-offset, 18px) + env(safe-area-inset-bottom, 0px));z-index:90;width:44px;height:44px;min-width:44px;min-height:44px;padding:0;display:flex;align-items:center;justify-content:center;border:1px solid #4d6f9a35;border-radius:50%;background:#fff;color:#4d6f9a;box-shadow:0 3px 14px #20375024;cursor:pointer;line-height:1;appearance:none;transition:background .15s,color .15s}
button.pethub-back-top[hidden]{display:none!important}
button.pethub-back-top:hover{background:#4d6f9a;color:#fff}
button.pethub-back-top:focus-visible{outline:3px solid #4d6f9a;outline-offset:3px}
button.pethub-back-top svg{display:block;width:20px;height:20px;pointer-events:none}
@media(max-width:760px){button.pethub-back-top{right:14px}}
@media(prefers-reduced-motion:reduce){button.pethub-back-top{transition:none}}