.gali-voltar-topo {
  --gali-voltar-topo-lift: 0px;
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: calc(max(16px, env(safe-area-inset-bottom)) + var(--gali-voltar-topo-lift));
  z-index: 18;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  color: #ffffff;
  background: rgba(44, 96, 104, 0.9);
  box-shadow: 0 8px 24px rgba(31, 42, 46, 0.2);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(10px) scale(0.96);
  transition: opacity 180ms ease-out, transform 180ms ease-out, visibility 0s linear 180ms, bottom 140ms ease-out;
}

.gali-voltar-topo--visivel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
  transition-delay: 0s;
}

.gali-voltar-topo svg {
  width: 24px;
  height: 24px;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.gali-voltar-topo:focus-visible {
  outline: 3px solid #dd8a68;
  outline-offset: 3px;
}

@media (hover: hover) and (pointer: fine) {
  .gali-voltar-topo:hover {
    background: rgba(28, 69, 76, 0.96);
    transform: translateY(-2px) scale(1);
  }
}

@media (min-width: 768px) {
  .gali-voltar-topo {
    right: 28px;
    bottom: calc(28px + var(--gali-voltar-topo-lift));
  }
}

@media (prefers-reduced-motion: reduce) {
  .gali-voltar-topo {
    transition: none;
  }
}