.mp-to-top {
  --mp-to-top-size: 44px;
  --mp-to-top-bg: #fdb602;
  --mp-to-top-ink: #141414;

  position: fixed;
  z-index: 4000;
  right: calc(24px + env(safe-area-inset-right, 0px));
  bottom: calc(24px + env(safe-area-inset-bottom, 0px) + var(--mp-to-top-lift, 0px));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--mp-to-top-size);
  height: var(--mp-to-top-size);
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--mp-to-top-bg);
  color: var(--mp-to-top-ink);
  box-shadow: 0 4px 12px rgba(20, 20, 20, 0.12);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease, visibility 0s linear 0.25s;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  touch-action: manipulation;
}

.mp-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: none;
  transition: opacity 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease, visibility 0s;
}

.mp-to-top svg {
  display: block;
  width: 20px;
  height: 20px;
}

@media (max-width: 767px) {
  .mp-to-top {
    --mp-to-top-size: 56px;
    right: calc(16px + env(safe-area-inset-right, 0px));
    bottom: calc(16px + env(safe-area-inset-bottom, 0px) + var(--mp-to-top-lift, 0px));
  }

  .mp-to-top svg {
    width: 26px;
    height: 26px;
  }
}

@media (hover: hover) and (pointer: fine) {
  .mp-to-top.is-visible:hover {
    transform: scale(1.08);
    box-shadow:
      0 8px 18px rgba(20, 20, 20, 0.14),
      0 0 24px 4px rgba(253, 182, 2, 0.55);
  }
}

.mp-to-top.is-visible:active {
  transform: scale(1.02);
}

.mp-to-top:focus {
  outline: none;
}

.mp-to-top:focus-visible {
  outline: 2px solid #141414;
  outline-offset: 4px;
}

body._open-menu .mp-to-top,
.mp-to-top.is-visible.is-covered {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

main.mp-to-top-target:focus {
  outline: none;
}

@media (prefers-reduced-motion: reduce) {
  .mp-to-top,
  .mp-to-top.is-visible,
  .mp-to-top.is-visible:hover,
  .mp-to-top.is-visible:active {
    transition: none;
    transform: none;
  }
}

@media print {
  .mp-to-top {
    display: none !important;
  }
}