سلام وقت بخیر

شما باید فایل themes.xml(light) رو باز کنید .

که هستند:

<resources xmlns:tools="http://schemas.android.com/tools">
<!--  Base application theme.  -->
<style name="Theme.NikeStore" parent="Theme.MaterialComponents.DayNight.NoActionBar">
<!--  Primary brand color.  -->
<item name="colorPrimary">@color/blue</item>
<item name="colorOnPrimary">@color/white</item>
<!--  Secondary brand color.  -->
<item name="colorSecondary">@color/black</item>
<item name="colorOnSecondary">@color/white</item>
<!--  Status bar color.  -->
<item name="android:statusBarColor" tools:targetApi="l">@color/gray</item>
<item name="android:windowLightStatusBar" tools:targetApi="m">true</item>
<item name="fontFamily">@font/primary_regular</item>
<item name="windowBackgroundColorSub">#f5f5f5</item>
<!-- Material type attributes -->
<item name="textAppearanceHeadline1">@style/TextAppearance.MyTheme.Headline1</item>
<item name="textAppearanceHeadline2">@style/TextAppearance.MyTheme.Headline2</item>
<item name="textAppearanceHeadline3">@style/TextAppearance.MyTheme.Headline3</item>
<item name="textAppearanceHeadline4">@style/TextAppearance.MyTheme.Headline4</item>
<item name="textAppearanceHeadline5">@style/TextAppearance.MyTheme.Headline5</item>
<item name="textAppearanceHeadline6">@style/TextAppearance.MyTheme.Headline6</item>
<item name="textAppearanceSubtitle1">@style/TextAppearance.MyTheme.Subtitle1</item>
<item name="textAppearanceSubtitle2">@style/TextAppearance.MyTheme.Subtitle2</item>
<item name="textAppearanceBody1">@style/TextAppearance.MyTheme.Body1</item>
<item name="textAppearanceBody2">@style/TextAppearance.MyTheme.Body2</item>
<item name="textAppearanceButton">@style/TextAppearance.MyTheme.Button</item>
<item name="textAppearanceCaption">@style/TextAppearance.MyTheme.Caption</item>
<item name="textAppearanceOverline">@style/TextAppearance.MyTheme.Overline</item>
<!--  Customize your theme here.  -->
<item name="bottomNavigationStyle">@style/MyBottomNavigationView</item>
<item name="appBarLayoutStyle">
@style/Widget.MaterialComponents.AppBarLayout.Surface
</item>
<item name="dividerColor">@color/gray</item>
<item name="android:textColorSecondary">@color/darkGray</item>
<item name="android:lineSpacingExtra">6dp</item>
<item name="android:includeFontPadding">false</item>
</style>
<style name="Theme.Nike.AuthTheme" parent="Theme.NikeStore">
<item name="android:statusBarColor" tools:targetApi="lollipop">@color/black</item>
<item name="android:windowLightStatusBar" tools:targetApi="m">false</item>
<item name="android:windowBackground">@color/black</item>
<item name="colorOnBackground">@color/white</item>
<item name="colorOnSurface">@color/white</item>
<item name="materialButtonStyle">@style/Theme.Nike.AuthTheme.Button</item>
</style>
</resources>