.gallery-whatsapp {
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 20;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 15px;
  border: 1px solid #fff;
  border-radius: 999px;
  background: var(--wine, #641e36);
  color: #fff;
  box-shadow: 0 3px 14px #29232936;
  font: 600 14px/1.2 system-ui, sans-serif;
  text-decoration: none;
}
.gallery-whatsapp svg { width: 20px; height: 20px; flex: none; }
.gallery-whatsapp:hover { color: #fff; filter: brightness(1.14); }
.gallery-whatsapp:focus-visible { outline: 2px solid currentColor; outline-offset: -5px; }
@media (max-width: 480px) {
  .gallery-whatsapp {
    right: max(12px, env(safe-area-inset-right));
    bottom: max(12px, env(safe-area-inset-bottom));
    padding: 0 12px;
  }
}