I'm quite new to angular so perhaps the answer is right in front of my face, especially since I've seen very similar questions but none have worked for me. As the title suggests, I am trying to change `ng-class` based on which of 3 radio buttons is selected within an `ng-repeat`. Some things I've tried in example is `ng-click` though this seems to behave with a boolean `true / false` behavior, where I think I need more of a `switch`-like behavior. I've also tried the solution [here](https://stackoverflow.com/questions/15410652/using-ng-repeat-and-ng-class-on-rows-inside-a-table) though this doesn't seem to work in a conditional case. Here is what I am working with:

```
<div class="col-md-4 col-sm-4 col-xs-12 projectType" ng-repeat="type in types">
   <label>
      <span class="typeIcon" ng-class="type.icon"></span>
      <p>{{ type.name }}</p>
      <input type="radio" name="type" ng-value="type" ng-model="$parent.selectedType" />
   </label>
</div>
<div class="col-md-12 col-sm-12 col-xs-12" ng-hide="selectedType.id !== 1">
    <input type="text" ng-hide="selectedType.id !== 1" ng-disabled="selectedType.id !== 1">
</div>
<div class="col-md-12 col-sm-12 col-xs-12" ng-hide="selectedType.id !== 2">
    <input type="text" ng-hide="selectedType.id !== 2" ng-disabled="selectedType.id !== 2">
</div>
<div class="col-md-12 col-sm-12 col-xs-12" ng-hide="selectedType.id !== 3">
    <input type="text" ng-hide="selectedType.id !== 3" ng-disabled="selectedType.id !== 3">
</div>

```

The controller simply applies features to each type, such as an id and name.

What I am specifically trying to do is change the `background-color` of the parent label when the `radio` is selected. I additionally added some divs below that also toggle based on which `radio` is selected to show some existing logic that may be a barrier or asset for any possible solutions. I know this may be a very simple task in angular, so I appreciate your patience and help.