.chatwave-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  box-shadow: 0 8px 20px rgba(0,0,0,.25);
  transition: transform .2s ease, box-shadow .2s ease;
}

.chatwave-btn.position-bottom-left {
  right: auto;
  left: 20px;
}

.chatwave-btn.position-bottom-right {
  left: auto;
  right: 20px;
}

.chatwave-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 12px 28px rgba(0,0,0,.35);
}

.chatwave-btn svg {
  width: 26px;
  height: 26px;
}

.chatwave-tooltip {
  position: absolute;
  right: 70px;
  background: #111;
  color: #fff;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
  white-space: nowrap;
}

.chatwave-btn:hover .chatwave-tooltip {
  opacity: 1;
}

@media (max-width: 768px) {
  .chatwave-tooltip {
    display: none;
  }
}