path: root/app/src/main/res/values-night/styles.xml

<resources>
    <style name="TextInputLayoutBase" parent="@style/Widget.MaterialComponents.TextInputLayout.FilledBox.Dense">
        <item name="boxBackgroundColor">?attr/colorPrimaryVariant</item>
        <item name="boxStrokeColor">?attr/colorSecondary</item>
        <item name="hintTextColor">?attr/colorOnPrimary</item>
    </style>
</resources>