.mgfr-to-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 45;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--mgfr-color-border);
  border-radius: 999px;
  background: var(--mgfr-color-bg-elevated);
  color: var(--mgfr-color-text);
  cursor: pointer;
  opacity: 0;
  transform: translateY(0.75rem);
  pointer-events: none;
  transition: opacity 0.28s ease, transform 0.28s ease, background-color 0.2s ease;
}

.mgfr-to-top[data-visible="true"] {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.mgfr-to-top svg {
  transform: rotate(180deg);
}

.mgfr-to-top:hover {
  background: var(--mgfr-color-bg);
}

.mgfr-to-top:focus-visible {
  outline: 2px solid var(--mgfr-color-focus);
  outline-offset: 3px;
}

.mgfr-to-top__label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.mgfr-reading-page .mgfr-to-top {
  bottom: 5.5rem;
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto;
  transition: transform 0.32s ease, opacity 0.32s ease, visibility 0s, background-color 0.2s ease;
}

html[data-reading-chrome="hidden"] .mgfr-to-top {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(calc(100% + 5.5rem));
  transition: transform 0.32s ease, opacity 0.32s ease, visibility 0s linear 0.32s;
}

@media (prefers-reduced-motion: reduce) {
  .mgfr-to-top,
  .mgfr-reading-page .mgfr-to-top,
  html[data-reading-chrome="hidden"] .mgfr-to-top {
    transition: none;
  }
}

@media print {
  .mgfr-to-top {
    display: none;
  }
}