.ng-back-top {
  position: fixed;
  bottom: clamp(1rem, 3vw, 1.75rem);
  right: clamp(1rem, 3vw, 1.75rem);
  z-index: 95;
  width: 3rem;
  height: 3rem;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  background: rgba(6, 21, 47, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: #f8fafc;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(0.75rem);
  transition:
    opacity 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0.35s,
    border-color 0.2s,
    box-shadow 0.2s;
  box-shadow:
    0 4px 24px rgba(96, 165, 250, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.ng-back-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.ng-back-top:hover {
  border-color: rgba(96, 165, 250, 0.55);
  box-shadow:
    0 6px 32px rgba(96, 165, 250, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.ng-back-top:focus-visible {
  outline: 2px solid #22d3ee;
  outline-offset: 3px;
}

.ng-back-top__icon {
  width: 1.25rem;
  height: 1.25rem;
  display: block;
}

@media (prefers-reduced-motion: reduce) {
  .ng-back-top {
    transition: none;
  }

  html:focus-within {
    scroll-behavior: auto;
  }
}