maui-linux/samples/XamlBrowser/App.xaml

<?xml version="1.0" encoding="utf-8" ?>
<Application xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             x:Class="XamlBrowser.BrowserApp">
    <Application.Resources>
        <ResourceDictionary>
            <!-- Primary Colors -->
            <Color x:Key="PrimaryColor">#1A73E8</Color>
            <Color x:Key="PrimaryDarkColor">#8AB4F8</Color>

            <!-- Page Backgrounds -->
            <Color x:Key="PageBackgroundLight">#FFFFFF</Color>
            <Color x:Key="PageBackgroundDark">#202124</Color>

            <!-- Toolbar Backgrounds -->
            <Color x:Key="ToolbarBackgroundLight">#FFFFFF</Color>
            <Color x:Key="ToolbarBackgroundDark">#292A2D</Color>

            <!-- Entry Backgrounds -->
            <Color x:Key="EntryBackgroundLight">#F1F3F4</Color>
            <Color x:Key="EntryBackgroundDark">#3C4043</Color>

            <!-- Button Backgrounds -->
            <Color x:Key="ButtonBackgroundLight">#F1F3F4</Color>
            <Color x:Key="ButtonBackgroundDark">#202124</Color>

            <!-- Text Colors -->
            <Color x:Key="TextPrimaryLight">#202124</Color>
            <Color x:Key="TextPrimaryDark">#E8EAED</Color>
            <Color x:Key="TextSecondaryLight">#5F6368</Color>
            <Color x:Key="TextSecondaryDark">#9AA0A6</Color>

            <!-- Placeholder Colors -->
            <Color x:Key="PlaceholderLight">#80868B</Color>
            <Color x:Key="PlaceholderDark">#9AA0A6</Color>

            <!-- Status Bar Backgrounds -->
            <Color x:Key="StatusBackgroundLight">#F8F9FA</Color>
            <Color x:Key="StatusBackgroundDark">#35363A</Color>

            <!-- Navigation Button Style -->
            <Style x:Key="NavButtonStyle" TargetType="Button">
                <Setter Property="WidthRequest" Value="40" />
                <Setter Property="HeightRequest" Value="40" />
                <Setter Property="CornerRadius" Value="20" />
                <Setter Property="FontSize" Value="18" />
                <Setter Property="FontFamily" Value="Segoe UI Symbol, Symbola, DejaVu Sans, sans-serif" />
                <Setter Property="Padding" Value="0" />
                <Setter Property="BackgroundColor" Value="{AppThemeBinding Light={StaticResource ButtonBackgroundLight}, Dark={StaticResource ButtonBackgroundDark}}" />
                <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource TextPrimaryLight}, Dark={StaticResource TextPrimaryDark}}" />
            </Style>

            <!-- Go Button Style -->
            <Style x:Key="GoButtonStyle" TargetType="Button">
                <Setter Property="WidthRequest" Value="60" />
                <Setter Property="HeightRequest" Value="36" />
                <Setter Property="CornerRadius" Value="18" />
                <Setter Property="FontSize" Value="14" />
                <Setter Property="BackgroundColor" Value="{AppThemeBinding Light={StaticResource PrimaryColor}, Dark={StaticResource PrimaryDarkColor}}" />
                <Setter Property="TextColor" Value="{AppThemeBinding Light=White, Dark=#202124}" />
            </Style>

            <!-- Address Bar Style -->
            <Style x:Key="AddressBarStyle" TargetType="Entry">
                <Setter Property="FontSize" Value="14" />
                <Setter Property="HeightRequest" Value="36" />
                <Setter Property="BackgroundColor" Value="{AppThemeBinding Light={StaticResource EntryBackgroundLight}, Dark={StaticResource EntryBackgroundDark}}" />
                <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource TextPrimaryLight}, Dark={StaticResource TextPrimaryDark}}" />
                <Setter Property="PlaceholderColor" Value="{AppThemeBinding Light={StaticResource PlaceholderLight}, Dark={StaticResource PlaceholderDark}}" />
            </Style>

            <!-- Status Label Style -->
            <Style x:Key="StatusLabelStyle" TargetType="Label">
                <Setter Property="FontSize" Value="12" />
                <Setter Property="Padding" Value="8,4" />
                <Setter Property="TextColor" Value="{AppThemeBinding Light={StaticResource TextSecondaryLight}, Dark={StaticResource TextSecondaryDark}}" />
            </Style>
        </ResourceDictionary>
    </Application.Resources>
</Application>