/* Schwebender Button für den Seitenanfang. */
#roomtrix-to-top {
  position: fixed;
  inset-inline-end: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 40;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  box-sizing: border-box;
  padding: 0;
  border: 5px solid transparent;
  border-radius: 14px;
  --to-top-fill: var(--color-brand);
  background: var(--to-top-fill) padding-box;
  color: var(--color-white);
  box-shadow: 0 4px 16px rgb(0 45 70 / 22%);
  font: 24px/1 system-ui, sans-serif;
  cursor: pointer;
}

#roomtrix-to-top::before {
  position: absolute;
  inset: -5px;
  padding: 3px;
  border-radius: inherit;
  background: conic-gradient(var(--color-brand-deep) var(--scroll-progress, 0%), var(--color-form-yellow) 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  pointer-events: none;
  content: "";
}

#roomtrix-to-top:hover {
  --to-top-fill: var(--color-link-hover);
}

#roomtrix-to-top:focus-visible {
  outline: 2px solid var(--color-brand-deep);
  outline-offset: 3px;
}

#roomtrix-to-top[hidden],
.uk-offcanvas-container #roomtrix-to-top {
  display: none;
}

@media print {
  #roomtrix-to-top {
    display: none;
  }
}