#arvore-canvas {
  width: 100%;
  height: 600px;
  border: 1px solid #ccc;
  position: relative;
  overflow: auto;
  background-color: #f9f9f9;
}

.arvore-node {
  position: absolute;
  width: 220px;
  padding: 12px;
  border: 2px solid #0073aa;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  cursor: move;
  z-index: 10;
}

.arvore-node .titulo {
  font-weight: bold;
  margin-bottom: 6px;
  color: #0073aa;
}

.arvore-node .resposta {
  font-size: 0.9em;
  color: #333;
}

.arvore-conector {
  width: 16px;
  height: 16px;
  background: #0073aa;
  border-radius: 50%;
  position: absolute;
  right: -8px;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
}

button.arvore-adicionar {
  margin-top: 10px;
  padding: 6px 10px;
  background: #0073aa;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85em;
}

button.arvore-remover {
  margin-top: 10px;
  padding: 6px 10px;
  background: #d63638;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85em;
}

.quick-replies {
  margin-top: 10px;
}

.quick-reply {
  margin: 4px;
  padding: 6px 12px;
  background: #efefef;
  border-radius: 4px;
  border: 1px solid #ccc;
  cursor: pointer;
}