weserplaner/app/src/main/res/values/themes.xml

<resources xmlns:tools="http://schemas.android.com/tools">
    <!-- Base application theme. -->
    <style name="Base.Theme.StudIPTimetable" parent="Theme.Material3.DayNight.NoActionBar">

        <!-- customisation -->
        <item name="fontFamily">@font/lato_regular</item>

        <!-- colour -->
        <item name="colorPrimary">@color/primaryDark</item>
        <item name="rippleColor">@color/primaryDark</item>

        <item name="colorNavHighlight">@color/highlightDark</item>
<!--        <item name="colorPrimaryOnContrast">@color/colorPrimaryOnContrastLight</item>-->
    </style>

    <style name="Theme.StudIPTimetable" parent="Base.Theme.StudIPTimetable" />

    <style name="NavigationViewItemIndicator" parent="Widget.Material3.BottomNavigationView.ActiveIndicator">
        <item name="android:color">@color/primaryDark</item>
    </style>

    <style name="SelectableItemTheme">
<!--        <item name="colorControlHighlight">?attr/colorPrimary</item>-->
        <item name="colorControlHighlight">@color/primaryLight</item>
    </style>
</resources>