.whatsapp-popup {
  background: #111;
  border: 1px solid #00ff88;
  padding: 10px;
  border-radius: 8px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  position: fixed;
}

.whatsapp-popup button {
  background: transparent;
  border: none;
  color: #00ff88;
  padding: 6px;
  text-align: left;
  cursor: pointer;
}

.whatsapp-popup button:hover {
  background: rgba(0,255,136,0.1);
}