App.xaml

<Application
    x:Class="eComBox.App"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:toolkit="using:CommunityToolkit.WinUI.Controls"
    >
  
            
    <Application.Resources>
        <ResourceDictionary>


            <ResourceDictionary.MergedDictionaries>
                <XamlControlsResources  xmlns="using:Microsoft.UI.Xaml.Controls" />


    
                <ResourceDictionary>

                    <!-- overwrite the background of navigationview content to transparent to show Mica background -->
                    <StaticResource x:Key="NavigationViewContentBackground" ResourceKey="SystemControlTransparentBrush"/>
                    <!-- overwrite the NavigationView content margin -->
                    <Thickness x:Key="NavigationViewContentPresenterMargin">0</Thickness>
                    <!-- overwrite the NavigationView content border thickness -->
                    <Thickness x:Key="NavigationViewMinimalContentGridBorderThickness">0</Thickness>

                    <!-- overwrite the NavigationView pane background -->
                    <ResourceDictionary.ThemeDictionaries>
                        <ResourceDictionary x:Key="Default">
                            <StaticResource x:Key="DarkAcrylicInAppFillColorDefaultBrush" ResourceKey="AcrylicInAppFillColorDefaultBrush"/>
                            <StaticResource x:Key="NavigationViewDefaultPaneBackground" ResourceKey="DarkAcrylicInAppFillColorDefaultBrush"/>
                        </ResourceDictionary>
                        <ResourceDictionary x:Key="Light">
                            <StaticResource x:Key="LightAcrylicInAppFillColorDefaultBrush" ResourceKey="AcrylicInAppFillColorDefaultBrush"/>
                            <StaticResource x:Key="NavigationViewDefaultPaneBackground" ResourceKey="LightAcrylicInAppFillColorDefaultBrush"/>
                        </ResourceDictionary>
                        <ResourceDictionary x:Key="HighContrast">
                            <StaticResource x:Key="HCAcrylicInAppFillColorDefaultBrush" ResourceKey="AcrylicInAppFillColorDefaultBrush"/>
                            <StaticResource x:Key="NavigationViewDefaultPaneBackground" ResourceKey="HCAcrylicInAppFillColorDefaultBrush"/>
                            

                        </ResourceDictionary>
                    </ResourceDictionary.ThemeDictionaries>
                </ResourceDictionary>
                <ResourceDictionary Source="/Styles/_Colors.xaml" />
                <ResourceDictionary Source="/Styles/_FontSizes.xaml" />
                <ResourceDictionary Source="/Styles/_Thickness.xaml" />

                <ResourceDictionary Source="/Styles/TextBlock.xaml" />
                <ResourceDictionary Source="/Styles/Page.xaml"/>
            </ResourceDictionary.MergedDictionaries>
            <ResourceDictionary.ThemeDictionaries>
                <ResourceDictionary x:Key="HighContrast">
                    <Thickness x:Key="ControlBorderThemeThickness">1</Thickness>
                    <Thickness x:Key="HighContrastThicknessTop">0,1,0,0</Thickness>
                    <x:Double x:Key="HighContrastStrokeThickness">2</x:Double>
                    <SolidColorBrush x:Key="SystemControlBackgroundAltHighBrush" Color="{ThemeResource SystemColorButtonFaceColor}"/>
                    <SolidColorBrush x:Key="SystemControlBackgroundChromeMediumLowBrush" Color="{ThemeResource SystemColorButtonFaceColor}"/>
                    <SolidColorBrush x:Key="SystemControlBackgroundTransparentBrush" Color="{ThemeResource SystemColorButtonFaceColor}"/>
                    <SolidColorBrush x:Key="SystemControlHighlightTransparentBrush" Color="{ThemeResource SystemColorHighlightColor}"/>
                    <SolidColorBrush x:Key="AppBackgroundAltMediumLowBrush" Color="{ThemeResource SystemColorButtonFaceColor}"/>
                    <SolidColorBrush x:Key="AppOperatorPanelBackground" Color="{ThemeResource SystemColorButtonFaceColor}"/>
                    <SolidColorBrush x:Key="AppControlPageTextBaseMediumHighBrush" Color="{ThemeResource SystemColorWindowTextColor}"/>
                    <SolidColorBrush x:Key="AppControlHoverButtonFaceBrush" Color="{ThemeResource SystemColorHighlightColor}"/>
                    <SolidColorBrush x:Key="AppControlPressedButtonFaceBrush" Color="{ThemeResource SystemColorHighlightColor}"/>
                    <SolidColorBrush x:Key="AppControlTransparentAccentColorBrush" Color="Transparent"/>
                    <SolidColorBrush x:Key="AppControlPageTextBaseHighColorBrush" Color="{ThemeResource SystemColorWindowTextColor}"/>
                    <SolidColorBrush x:Key="OperatorPanelScrollButtonBackgroundBrush" Color="{ThemeResource SystemColorButtonFaceColor}"/>
                    <SolidColorBrush x:Key="AppControlForegroundAccentBrush" Color="{ThemeResource SystemColorButtonTextColor}"/>
                    <SolidColorBrush x:Key="AppControlPageTextRedColorBrush" Color="{ThemeResource SystemColorWindowTextColor}"/>
                    <SolidColorBrush x:Key="AppControlForegroundTransparentRevealBorderBrush" Color="{ThemeResource SystemColorButtonTextColor}"/>
                    <SolidColorBrush x:Key="AppControlHighlightAccentRevealBackgroundBrush" Color="{ThemeResource SystemColorHighlightColor}"/>
                    <SolidColorBrush x:Key="AppControlBackgroundListAccentHighRevealBackgroundBrush" Color="{ThemeResource SystemColorButtonFaceColor}"/>
                    <SolidColorBrush x:Key="AppControlListLowRevealHighlightBrush" Color="{ThemeResource SystemColorHighlightColor}"/>
                    <SolidColorBrush x:Key="AppChromeAcrylicHostBackdropMediumLowBrush" Color="{ThemeResource SystemColorWindowColor}"/>
                    <SolidColorBrush x:Key="AppChromeAcrylicOperatorFlyoutBackgroundBrush" Color="{ThemeResource SystemColorWindowColor}"/>
                    <StaticResource x:Key="BackgroundSmokeFillColorBrush" ResourceKey="SystemControlBackgroundTransparentBrush"/>

                    <StaticResource x:Key="AppControlForegroundSecondaryBrush" ResourceKey="SystemColorHighlightTextColorBrush"/>
                    <StaticResource x:Key="AppControlBackgroundTertiaryBrush" ResourceKey="SystemControlBackgroundTransparentBrush"/>
                    <StaticResource x:Key="AppControlBackgroundSecondaryBrush" ResourceKey="SystemControlHighlightTransparentBrush"/>
                </ResourceDictionary>
            </ResourceDictionary.ThemeDictionaries>
        </ResourceDictionary>
    </Application.Resources>
 
</Application>