.back-to-top,.back-to-top[hidden]{display:none}
@media(max-width:700px){
  .back-to-top:not([hidden]){position:fixed;right:calc(16px + env(safe-area-inset-right,0px));bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:15;display:inline-flex;align-items:center;justify-content:center;gap:7px;min-width:94px;min-height:44px;padding:9px 12px;border:1px solid #a875df66;border-radius:0;background:#0d0a12;color:var(--text);font:13px/1.5 var(--mono);box-shadow:0 4px 20px #0006;touch-action:manipulation}
  .back-to-top span{color:var(--purple)}
  .back-to-top:hover,.back-to-top:focus-visible{border-color:var(--purple);color:var(--purple)}
  .has-back-to-top .site-footer{padding-bottom:calc(84px + env(safe-area-inset-bottom,0px))}
}