MainWindow.xaml

<Window x:Class="AsaModCleaner.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:AsaModCleaner"
        xmlns:converters="clr-namespace:AsaModCleaner.Converters"
        mc:Ignorable="d"
        Closing="Window_Closing"
        Title="ASA Mod Cleaner" Height="600" Width="800" WindowStyle="ThreeDBorderWindow" Icon="Assets/asa_mod_cleaner.ico">
    
    <Window.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <!-- Link ScrollBar and ListViewItem Styles -->
                <ResourceDictionary Source="/Styles/ScrollBarStyles.xaml"/>
                <ResourceDictionary Source="/Styles/ListViewItemStyles.xaml"/>
            </ResourceDictionary.MergedDictionaries>

            <!-- Inline Converters -->
            <converters:CategoryNameConverter x:Key="CategoryNameConverter"/>
            <converters:PremiumToTextConverter x:Key="PremiumToTextConverter"/>

            <!-- CollectionViewSource for Sorting -->
            <CollectionViewSource x:Key="ModsCollectionView" Source="{Binding InstalledMods}"/>
        </ResourceDictionary>
    </Window.Resources>

    <Window.Background>
        <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
            <GradientStop Color="WhiteSmoke"/>
            <GradientStop Color="#FF8E8E8E" Offset="1"/>
            <GradientStop Color="#FFE3E2E2" Offset="0.513"/>
        </LinearGradientBrush>
    </Window.Background>

    <Grid Margin="0,0,0,-6">
        <!-- Header with Logo -->
        <Border Height="100" VerticalAlignment="Top" Background="#333333" CornerRadius="0,0,10,10">
            <Border.Effect>
                <DropShadowEffect/>
            </Border.Effect>
            <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Center">
                <Image Source="pack://application:,,,/Assets/asa_mod_cleaner.png" Height="64" Margin="10"/>
                <TextBlock Text="ASA Mod Cleaner" Foreground="WhiteSmoke" FontSize="36" FontWeight="Bold" VerticalAlignment="Center" />
            </StackPanel>
        </Border>

        <!-- Mod List Section -->
        <Border Margin="20,120,20,80" CornerRadius="10" Background="#2E2E2E">
            <Border.Effect>
                <DropShadowEffect/>
            </Border.Effect>
            <Grid Margin="10">
                <Grid.RowDefinitions>
                    <RowDefinition Height="Auto"/> <!-- Header and buttons -->
                    <RowDefinition Height="Auto"/> <!-- Select All and Refresh buttons -->
                    <RowDefinition Height="*"/>   <!-- ListView that should take remaining space -->
                </Grid.RowDefinitions>

                <!-- Installed Mods Header -->
                <TextBlock Text="Installed Mods" FontSize="20" Foreground="WhiteSmoke" Margin="10" Grid.Row="0"/>

                <!-- Select All and Refresh Buttons -->
                <StackPanel Orientation="Horizontal" HorizontalAlignment="Left" Grid.Row="1" Margin="10,0,0,10">
                    <Button x:Name="SelectAllButton" Content="Select All" Width="70" Height="22" Background="LightBlue" Foreground="Black" FontWeight="Bold" Click="SelectAllButton_Click" Margin="0,0,10,0"/>
                    <Button x:Name="RefreshButton" Content="Refresh" Width="70" Height="22" Background="Turquoise" BorderThickness="0" Foreground="Black" FontWeight="Bold" Click="RefreshButton_Click"/>

                    <!-- Sort Dropdown -->
                    <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
                        <TextBlock Text="Sort By:" Margin="20,0,5,0" Foreground="WhiteSmoke" VerticalAlignment="Center" FontSize="14" />
                        <ComboBox x:Name="SortCriteriaDropdown" Width="100" Height="25" Background="#2E2E2E" Foreground="Black" FontSize="14" SelectionChanged="SortCriteriaDropdown_SelectionChanged">
                            <ComboBoxItem Content="Install Date" Tag="InstallDate" IsSelected="True"/>
                            <ComboBoxItem Content="Name" Tag="Name"/>
                            <ComboBoxItem Content="Author" Tag="Author"/>
                            <ComboBoxItem Content="Free Mods" Tag="Free"/>
                            <ComboBoxItem Content="Premium Mods" Tag="Premium"/>
                        </ComboBox>
                    </StackPanel>

                    <!-- Sort Direction Dropdown -->
                    <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
                        <TextBlock Text="Direction:" Margin="10,0,5,0" Foreground="WhiteSmoke" VerticalAlignment="Center" FontSize="14" />
                        <ComboBox x:Name="SortDirectionDropdown" Width="105" Height="25" Background="#2E2E2E" Foreground="Black" FontSize="14" SelectionChanged="SortDirectionDropdown_SelectionChanged">
                            <ComboBoxItem Content="Ascending ↑" Tag="Ascending" IsSelected="True"/>
                            <ComboBoxItem Content="Descending ↓" Tag="Descending"/>
                        </ComboBox>
                    </StackPanel>
                </StackPanel>

                <!-- Mod List -->
                <ListView Grid.Row="2" x:Name="ModList" ItemsSource="{Binding Source={StaticResource ModsCollectionView}}" Margin="10" Background="#3E3E3E">
                    <ListView.ItemTemplate>
                        <DataTemplate>
                            <StackPanel Orientation="Vertical" Margin="5" Background="#3E3E3E">
                                <StackPanel Orientation="Horizontal" Margin="0,0,0,5">
                                    <!-- Checkbox -->
                                    <CheckBox IsChecked="{Binding IsSelected, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
                                              VerticalAlignment="Center" Margin="0,0,10,0"/>

                                    <!-- Mod Name -->
                                    <TextBlock Text="{Binding Details.Name}" 
                                               FontWeight="SemiBold" FontSize="14" 
                                               Foreground="White" TextWrapping="Wrap"/>
                                </StackPanel>

                                <!-- Mod Type (Category Name) -->
                                <TextBlock Text="Mod Type: " FontWeight="Light" FontSize="12" Foreground="LightGray" Margin="25,0,0,0">
                                    <TextBlock.Inlines>
                                        <Run Text="{Binding Details.Categories, Converter={StaticResource CategoryNameConverter}}" 
                                             Foreground="LightGreen" />
                                    </TextBlock.Inlines>
                                </TextBlock>

                                <!-- Author -->
                                <TextBlock Text="Author: " FontWeight="Light" FontSize="12" 
                                           Foreground="LightGray" TextWrapping="Wrap" Margin="25,0,0,0">
                                    <TextBlock.Inlines>
                                        <Run Text="{Binding Details.Authors[0].Name, Mode=OneWay}" Foreground="Khaki"/>
                                    </TextBlock.Inlines>
                                </TextBlock>

                                <!-- Installed Date -->
                                <TextBlock Text="Installed On: " FontWeight="Light" FontSize="12" 
                                           Foreground="LightGray" TextWrapping="Wrap" Margin="25,0,0,0">
                                    <TextBlock.Inlines>
                                        <Run Text="{Binding DateInstalledLocal, Mode=OneWay}" Foreground="LightBlue"/>
                                    </TextBlock.Inlines>
                                </TextBlock>

                                <!-- Premium Indicator -->
                                <TextBlock FontStyle="Italic" FontSize="12" Foreground="Gold" Margin="25,0,0,0">
                                    <TextBlock.Inlines>
                                        <Run Text="{Binding Details.PremiumDetails.IsPremium, Converter={StaticResource PremiumToTextConverter}}" />
                                    </TextBlock.Inlines>
                                </TextBlock>
                            </StackPanel>
                        </DataTemplate>
                    </ListView.ItemTemplate>
                </ListView>
            </Grid>
        </Border>

        <!-- Progress Bar -->
        <ProgressBar x:Name="CleaningProgressBar" Height="20" Margin="20,0,20,80" VerticalAlignment="Bottom" Visibility="Collapsed"/>

        <!-- Clean Button -->
        <Button x:Name="CleanButton" Content="Clean" Width="150" Height="50" HorizontalAlignment="Right" VerticalAlignment="Bottom" Margin="0,0,20,16"
                Background="LimeGreen" BorderThickness="0" Foreground="Black" FontWeight="Bold" FontSize="20" Click="CleanButton_Click">
            <Button.Effect>
                <DropShadowEffect/>
            </Button.Effect>
        </Button>

        <!-- Status Feedback Label -->
        <TextBlock x:Name="StatusLabel" Text="" FontSize="16" Foreground="White" HorizontalAlignment="Center" VerticalAlignment="Bottom" Margin="0,0,0,30" FontWeight="Bold">
            <TextBlock.Effect>
                <DropShadowEffect/>
            </TextBlock.Effect>
        </TextBlock>
    </Grid>
</Window>