:root{
  --z-fab:500;
}

.whatsapp-chat-fab {
  position: fixed;
  right: 18px;
  bottom: 28px;
  z-index: var(--z-fab);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 999px;
  border: 0;
  background: transparent;
  color: #fff;
  box-shadow: none;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.whatsapp-chat-fab:hover,
.whatsapp-chat-fab:focus-visible {
  color: #fff;
  background: transparent;
  transform: translateY(-2px);
  box-shadow: none;
}

.whatsapp-chat-fab:focus-visible {
  outline: 3px solid #25D366;
  outline-offset: 3px;
}

.whatsapp-chat-fab img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  display: block;
}

@media (max-width: 991px) {
  .whatsapp-chat-fab {
    right: 12px;
    bottom: 20px;
    width: 54px;
    height: 54px;
  }

  .whatsapp-chat-fab img {
    width: 48px;
    height: 48px;
  }

  body.page-home .whatsapp-chat-fab {
    right: 14px;
    bottom: calc(var(--mobile-assistant-safe, 126px) + 14px);
    z-index: 100100;
  }
}