.ahi-back-to-top{position:fixed;left:16px;bottom:24px;z-index:40;max-width:140px;min-height:44px;padding:10px 16px;border:1px solid var(--ahi-polish-line);border-radius:12px;background:var(--ahi-polish-input);color:var(--ahi-polish-ink);font:inherit;font-size:13px;line-height:1.4;box-shadow:0 5px 20px #0002;cursor:pointer}.ahi-back-to-top:focus-visible{outline:3px solid #d4a445;outline-offset:3px}body:has(.ahi-chat-panel) .ahi-back-to-top,body:has(.ahi-chat-login-hint) .ahi-back-to-top{display:none}@media(max-width:767px){.ahi-back-to-top{left:12px;bottom:calc(164px + env(safe-area-inset-bottom));max-width:120px;padding:9px 12px;font-size:12px}}