wiimmfi-watcher/app/src/main/res/values-night/themes.xml

<resources xmlns:tools="http://schemas.android.com/tools">
    <!-- Base application theme. -->
    <style name="Theme.WiimmfiWatcher" parent="Theme.MaterialComponents.DayNight.NoActionBar">
        <!-- Primary brand color. -->
        <item name="colorPrimary">#212121</item>
        <item name="colorPrimaryVariant">#000000</item>
        <item name="colorOnPrimary">@color/white</item>
        <!-- Secondary brand color. -->
        <item name="colorSecondary">@color/blue_200</item>
        <item name="colorSecondaryVariant">@color/blue_200</item>
        <item name="colorOnSecondary">@color/white</item>
        <!-- Status bar color. -->
        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
        <!-- Customize your theme here. -->
    </style>

    <style name="Theme.WiimmfiWatcher.Watching" parent="Theme.MaterialComponents.DayNight.NoActionBar">
        <!-- Primary brand color. -->
        <item name="colorPrimary">#212121</item>
        <item name="colorPrimaryVariant">#000000</item>
        <item name="colorOnPrimary">@color/white</item>
        <!-- Secondary brand color. -->
        <item name="colorSecondary">@color/blue_200</item>
        <item name="colorSecondaryVariant">@color/blue_200</item>
        <item name="colorOnSecondary">@color/white</item>
        <item name="android:windowTranslucentStatus">true</item>
        <!-- Status bar color. -->
        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
        <!-- Customize your theme here. -->
    </style>

    <style name="TextAppearance.App.CollapsingToolbar.Expanded" parent="TextAppearance.MaterialComponents.Headline5">
        <item name="android:textColor">@color/white</item>
    </style>

    <style name="TextAppearance.App.CollapsingToolbar.Collapsed" parent="TextAppearance.MaterialComponents.Headline6">
        <item name="android:textColor">@color/white</item>
    </style>

</resources>