.rspctop{position:fixed;bottom:var(--rt-off,24px);z-index:9990;width:var(--rt-size,48px);height:var(--rt-size,48px);padding:0;margin:0;display:flex;align-items:center;justify-content:center;background:var(--rt-bg,#f3541c);color:var(--rt-fg,#fff);border:0;border-radius:var(--rt-r,0);cursor:pointer;box-shadow:0 2px 10px rgba(0,0,0,.25);opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .35s ease,transform .35s ease,visibility 0s linear .35s;-webkit-tap-highlight-color:transparent}
.rspctop[hidden]{display:flex}
.rspctop--right{right:var(--rt-off,24px)}
.rspctop--left{left:var(--rt-off,24px)}
.rspctop.is-on{opacity:1;visibility:visible;transform:none;transition:opacity .35s ease,transform .35s ease,visibility 0s}
.rspctop img{width:55%;height:55%;object-fit:contain;display:block}
.rspctop:hover{filter:brightness(1.1)}
.rspctop:focus-visible{outline:3px solid currentColor;outline-offset:3px}
@media(prefers-reduced-motion:reduce){.rspctop{transition:opacity .2s}}