* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0 12px;
  background-color: #454545;
  color: #bdbdbd;
  user-select: none;
}

#app {
  width: 100%;
  height: 100%;
}

/* 层级缩进样式 */
.item {
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  color: #e0dddd;
}

.item-child {
  padding-left: 20px;
}

.item-header {
  display: flex;
  align-items: center;
  cursor: pointer;
}

/* 箭头样式 */
.toggle-arrow {
  width: 10px;
  margin-right: 5px;
}

/* 选中样式 */
.selected {
  background-color: #33caf8;
  color: #020202;
}

/*不同类型的样式*/
.item.prefab {
  color: #05f34c;
}
.item.scene {
  color: #f38405;
}