MainContent.kt

@Composable
private fun MainContent(
    changeSystemBarStyle: (SystemBarStyle) -> Unit // pass function from top level to change the SystemBarStyle
) {
    Scaffold(
        modifier = Modifier.fillMaxSize(),
        containerColor = Color.Black
    ) { paddingValues ->
        
        LaunchedEffect(Unit) {
            changeSystemBarStyle(SystemBarStyle.dark(android.graphics.Color.TRANSPARENT))
        }
        
    }
}