#slu-btt{position:fixed;z-index:9990;width:var(--btt-size,48px);height:var(--btt-size,48px);padding:0;border:none;border-radius:var(--btt-radius,50%);background:var(--btt-bg,#111);color:var(--btt-icon,#fff);cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px rgb(0 0 0 / .28);opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background-color .2s ease}#slu-btt.is-visible{opacity:1;visibility:visible;transform:translateY(0)}#slu-btt:hover{background:var(--btt-bg-hover,#000);color:var(--btt-icon-hover,#fff)}#slu-btt:focus-visible{outline:2px solid var(--btt-ring,#34d399);outline-offset:3px}#slu-btt.slu-btt--right{bottom:var(--btt-mv,30px);right:var(--btt-mh,30px)}#slu-btt.slu-btt--left{bottom:var(--btt-mv,30px);left:var(--btt-mh,30px)}#slu-btt.slu-btt--center{bottom:var(--btt-mv,30px);left:50%;transform:translateX(-50%) translateY(14px)}#slu-btt.slu-btt--center.is-visible{transform:translateX(-50%) translateY(0)}#slu-btt .slu-btt__icon{position:relative;z-index:2;width:var(--btt-icon-size,22px);height:var(--btt-icon-size,22px);display:flex;align-items:center;justify-content:center;color:inherit;line-height:0}#slu-btt .slu-btt__icon svg{width:100%;height:100%;display:block}#slu-btt .slu-btt__ring{position:absolute;inset:0;width:100%;height:100%;z-index:1;pointer-events:none}#slu-btt .slu-btt__track{stroke:var(--btt-track,rgb(255 255 255 / .18));stroke-width:var(--btt-ring-size,3)}#slu-btt .slu-btt__fill{stroke:var(--btt-ring,#34d399);stroke-width:var(--btt-ring-size,3);stroke-linecap:round;transition:stroke-dashoffset .1s linear}#slu-btt circle.slu-btt__fill{transform:rotate(-90deg);transform-origin:50% 50%}#slu-btt.has-ring .slu-btt__icon{transform:scale(.92)}@media (prefers-reduced-motion:reduce){#slu-btt,#slu-btt.slu-btt--center{transition:opacity .2s ease,visibility .2s ease;transform:none}#slu-btt.slu-btt--center.is-visible{transform:translateX(-50%)}#slu-btt .slu-btt__fill{transition:none}}