.horizontal-layout {
  display: flex;
  flex-direction: row;
}

.vertical-layout {
  display: flex;
  flex-direction: column;
}

.horizontal-layout-item,
.vertical-layout-item {
  flex: 1;
}

.error {
  color: red;
}

.control {
  display: flex;
  flex-direction: column;
}

.control > .wrapper {
  display: flex;
}

.control > .wrapper > input,
.control > .wrapper > select,
.control > .wrapper > textarea {
  flex: 1;
}

.control > .error,
.control > .description {
  min-height: 1.5em;
}

.array-list {
  display: flex;
  flex-direction: column;
}

.array-list-item-toolbar {
  cursor: pointer;
  display: flex;
  justify-content: flex-end;
  align-items: stretch;
  margin: 0.2em 0;
}

.array-list-item-toolbar > button {
  user-select: none;
  cursor: pointer;
}
.array-list-item-toolbar > button:disabled {
  cursor: initial;
}

.array-list-item-label {
  background-color: rgb(238, 238, 238);
  flex: 1;
  padding-left: 0.5em;
  height: 1.5em;
  line-height: 1.5em;
}
.array-list-item-label:hover {
  background-color: rgb(221, 221, 221);
}

.array-list-item-content {
  display: none;
  padding: 0 1em;
}

.array-list-item-content.expanded {
  display: block;
}

.categorization .categorization-category,
.categorization .categorization-stepper {
  display: flex;
}
.categorization .categorization-stepper-line {
  flex-grow: 1;
  height: 1px;
  border-width: 0 0 1px 0;
}
.categorization .categorization-stepper-footer {
  display: flex;
  justify-content: flex-end;
}