fix:3197: Set header to black in darkmode.

import androidx.compose.material3.Icon

import androidx.compose.material3.IconButton

import androidx.compose.material3.LargeTopAppBar

import androidx.compose.material3.MaterialTheme

import androidx.compose.material3.Text

import androidx.compose.material3.TopAppBarDefaults

import androidx.compose.material3.TopAppBarScrollBehavior

import androidx.compose.runtime.Composable

import androidx.compose.ui.res.colorResource

import androidx.compose.ui.text.TextStyle

import androidx.compose.ui.unit.lerp

import androidx.compose.ui.unit.sp

import foundation.e.elib.R as eR

@OptIn(ExperimentalMaterial3Api::class)

@Composable

    LargeTopAppBar(

        colors =

        TopAppBarDefaults.topAppBarColors(

            containerColor = colorResource(eR.color.e_action_bar),

            titleContentColor = colorResource(eR.color.e_primary_text_color),

            scrolledContainerColor = colorResource(eR.color.e_action_bar),

            containerColor = MaterialTheme.colorScheme.background,

            titleContentColor = MaterialTheme.colorScheme.onBackground,

            scrolledContainerColor = MaterialTheme.colorScheme.primary,

        ),

        title = { Text(title, style = TextStyle(fontSize = textSize)) },

        scrollBehavior = scrollBehavior,