.vue-flow__panel {
  background-color: #2d3748;
  padding: 10px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.vue-flow__panel .buttons {
  display: flex;
  gap: 8px;
}

.vue-flow__panel button {
  border: none;
  cursor: pointer;
  background-color: #4a5568;
  border-radius: 8px;
  color: white;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
  width: 40px;
  height: 40px;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.vue-flow__panel button:hover {
  background-color: #2563eb;
  transition: background-color 0.2s;
}

.vue-flow__panel button svg {
  width: 100%;
  height: 100%;
}