ClashDotNetFramework-src/ClashDotNetFramework/Themes/Modern.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                    xmlns:local="clr-namespace:ClashDotNetFramework.Themes"
                    xmlns:sys="clr-namespace:System;assembly=mscorlib">
    <SolidColorBrush x:Key="SidePanelBackground" Color="White"/>
    <SolidColorBrush x:Key="PageFrameBackground" Color="#FCFDFF"/>
    <SolidColorBrush x:Key="DialogBackground" Color="White"/>
    <SolidColorBrush x:Key="ContextMenuBackground" Color="White"/>

    <SolidColorBrush x:Key="ButtonForeground" Color="White"/>
    <LinearGradientBrush x:Key="ButtonBackground">
        <GradientStop Color="#57BEFC" Offset="0"/>
        <GradientStop Color="#2C8AF8" Offset="1"/>
    </LinearGradientBrush>
    <SolidColorBrush x:Key="ButtonCheckedForeground" Color="White"/>
    <LinearGradientBrush x:Key="ButtonCheckedBackground">
        <GradientStop Color="#57BEFC" Offset="0"/>
        <GradientStop Color="#2C8AF8" Offset="1"/>
    </LinearGradientBrush>
    <LinearGradientBrush x:Key="ButtonUnCheckedForeground">
        <GradientStop Color="#57BEFC" Offset="0"/>
        <GradientStop Color="#2C8AF8" Offset="1"/>
    </LinearGradientBrush>
    <SolidColorBrush x:Key="ButtonUnCheckedBackground" Color="White"/>

    <SolidColorBrush x:Key="MenuButtonCheckedForeground" Color="White"/>
    <LinearGradientBrush x:Key="MenuButtonCheckedBackground">
        <GradientStop Color="#57BEFC" Offset="0"/>
        <GradientStop Color="#2C8AF8" Offset="1"/>
    </LinearGradientBrush>
    <LinearGradientBrush x:Key="MenuButtonUnCheckedForeground">
        <GradientStop Color="#57BEFC" Offset="0"/>
        <GradientStop Color="#2C8AF8" Offset="1"/>
    </LinearGradientBrush>
    <SolidColorBrush x:Key="MenuButtonUnCheckedBackground" Color="White"/>

    <LinearGradientBrush x:Key="NormalTextForeground">
        <GradientStop Color="#57BEFC" Offset="0"/>
        <GradientStop Color="#2C8AF8" Offset="1"/>
    </LinearGradientBrush>

    <LinearGradientBrush x:Key="SeparatorBackground">
        <GradientStop Color="#57BEFC" Offset="0"/>
        <GradientStop Color="#2C8AF8" Offset="1"/>
    </LinearGradientBrush>

    <SolidColorBrush x:Key="TextBoxBackground" Color="White"/>
    <LinearGradientBrush x:Key="TextBoxBorderBrush">
        <GradientStop Color="#57BEFC" Offset="0"/>
        <GradientStop Color="#2C8AF8" Offset="1"/>
    </LinearGradientBrush>

    <LinearGradientBrush x:Key="BorderBackground">
        <GradientStop Color="#57BEFC" Offset="0"/>
        <GradientStop Color="#2C8AF8" Offset="1"/>
    </LinearGradientBrush>
    
    <BitmapImage x:Key="AppLogo" UriSource="/Assets/ModernLogo.png"/>

    <SolidColorBrush x:Key="GridBorderBackground" Color="White"/>
    <LinearGradientBrush x:Key="GridTextForeground">
        <GradientStop Color="#57BEFC" Offset="0"/>
        <GradientStop Color="#2C8AF8" Offset="1"/>
    </LinearGradientBrush>

    <LinearGradientBrush x:Key="ToggleSwitchCheckedBackground">
        <GradientStop Color="#57BEFC" Offset="0"/>
        <GradientStop Color="#2C8AF8" Offset="1"/>
    </LinearGradientBrush>
    <SolidColorBrush x:Key="ToggleSwitchUnCheckedBackground" Color="White"/>

    <SolidColorBrush x:Key="RadioButtonUnCheckedBackground" Color="#57BEFC" Opacity="0.5"/>
</ResourceDictionary>