wulkanowy-mod/app/src/main/res/values-night/styles.xml

<resources xmlns:tools="http://schemas.android.com/tools">

    <style name="WulkanowyTheme" parent="@style/Theme.MaterialComponents.Bridge">
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorPrimary</item>
        <item name="preferenceTheme">@style/PreferenceThemeOverlay.v14.Material</item>
        <item name="android:windowBackground">@color/bottom_nav_background</item>
        <item name="bottomNavBackground">@color/bottom_nav_background</item>
        <item name="android:navigationBarColor" tools:targetApi="21">@color/bottom_nav_background</item>
        <item name="dividerColor">@color/divider_inverse</item>
        <item name="chip_backgroundColor">@color/chip_backgroundColor_inverse</item>
        <item name="android:textColorTertiary">?android:textColorPrimary</item>
        <item name="chip_labelColor">@color/chip_labelColor_inverse</item>
        <item name="chip_detailed_backgroundColor">@color/chip_backgroundColor_inverse</item>
        <item name="filterable_list_backgroundColor">@color/filterable_list_backgroundColor_inverse</item>
        <item name="filterable_list_textColor">@color/filterable_list_textColor_inverse</item>

        <!--AboutLibraries specific values-->
        <item name="about_libraries_window_background">@color/about_libraries_window_background_dark</item>
        <item name="about_libraries_card">@color/about_libraries_card_dark</item>
        <item name="about_libraries_title_openSource">@color/about_libraries_title_openSource_dark</item>
        <item name="about_libraries_title_description">@color/about_libraries_title_openSource_dark</item>
        <item name="about_libraries_text_openSource">@color/about_libraries_text_openSource_dark</item>
        <item name="about_libraries_special_button_openSource">@color/about_libraries_special_button_openSource_dark</item>
        <item name="about_libraries_dividerDark_openSource">@color/about_libraries_dividerDark_openSource_dark</item>
        <item name="about_libraries_dividerLight_openSource">@color/about_libraries_dividerLight_openSource_dark</item>
    </style>

    <style name="WulkanowyTheme.Black" parent="WulkanowyTheme.NoActionBar">
        <item name="android:windowBackground">@android:color/black</item>
        <item name="android:navigationBarColor" tools:targetApi="21">@android:color/black</item>
        <item name="bottomNavBackground">@android:color/black</item>
    </style>
</resources>