MainWindow.xaml

<Window x:Class="File_Renamer.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="File Renamer" 
        Width="1050" 
        MinWidth="950"
        SizeToContent="Height" 
        MaxHeight="{Binding Source={x:Static SystemParameters.WorkArea}, Path=Height}" 
        WindowStartupLocation="CenterScreen"
        WindowStyle="None" AllowsTransparency="True" Background="Transparent"
        ResizeMode="NoResize"
        MouseDown="Window_MouseDown" FontFamily="Segoe UI"
        Icon="/assets/icon.ico">

    <Window.Resources>
        <SolidColorBrush x:Key="AppBgBrush" Color="#F0F2F5"/>
        <SolidColorBrush x:Key="CardBgBrush" Color="#FFFFFF"/>
        <SolidColorBrush x:Key="TextPrimaryBrush" Color="#212529"/>
        <SolidColorBrush x:Key="TextSecondaryBrush" Color="#495057"/>
        <SolidColorBrush x:Key="BorderDefaultBrush" Color="#DEE2E6"/>
        <SolidColorBrush x:Key="ControlBgBrush" Color="#E9ECEF"/>

        <Style x:Key="CenterAlignStyle" TargetType="TextBlock">
            <Setter Property="HorizontalAlignment" Value="Center"/>
            <Setter Property="VerticalAlignment" Value="Center"/>
        </Style>

        <Style TargetType="Border" x:Key="CardContainer">
            <Setter Property="Background" Value="{DynamicResource CardBgBrush}"/>
            <Setter Property="CornerRadius" Value="8"/>
            <Setter Property="Padding" Value="20"/>
            <Setter Property="Margin" Value="0,0,0,15"/>
            <Setter Property="BorderBrush" Value="{DynamicResource BorderDefaultBrush}"/>
            <Setter Property="BorderThickness" Value="1"/>
        </Style>

        <Style TargetType="Button" x:Key="ModernButton">
            <Setter Property="Foreground" Value="White"/>
            <Setter Property="FontWeight" Value="SemiBold"/>
            <Setter Property="BorderThickness" Value="0"/>
            <Setter Property="Padding" Value="15,0"/>
            <Setter Property="Cursor" Value="Hand"/>
            <Setter Property="Height" Value="34"/>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="Button">
                        <Grid>
                            <Border x:Name="border" Background="{TemplateBinding Background}" CornerRadius="6"/>
                            <Border x:Name="hoverOverlay" Background="White" Opacity="0" CornerRadius="6" IsHitTestVisible="False"/>
                            <Border x:Name="pressedOverlay" Background="Black" Opacity="0" CornerRadius="6" IsHitTestVisible="False"/>
                            <ContentPresenter Focusable="False" HorizontalAlignment="Center" VerticalAlignment="Center" Margin="{TemplateBinding Padding}"/>
                        </Grid>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsMouseOver" Value="true">
                                <Setter TargetName="hoverOverlay" Property="Opacity" Value="0.15"/>
                            </Trigger>
                            <Trigger Property="IsPressed" Value="true">
                                <Setter TargetName="pressedOverlay" Property="Opacity" Value="0.15"/>
                            </Trigger>
                            <Trigger Property="IsEnabled" Value="false">
                                <Setter TargetName="border" Property="Background" Value="{DynamicResource ControlBgBrush}"/>
                                <Setter Property="Foreground" Value="{DynamicResource TextSecondaryBrush}"/>
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>

        <Style TargetType="Button" x:Key="IconButton">
            <Setter Property="Background" Value="Transparent"/>
            <Setter Property="BorderThickness" Value="0"/>
            <Setter Property="Cursor" Value="Hand"/>
            <Setter Property="Width" Value="34"/>
            <Setter Property="Height" Value="34"/>
            <Setter Property="Foreground" Value="{DynamicResource TextPrimaryBrush}"/>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="Button">
                        <Border x:Name="border" Background="{TemplateBinding Background}" CornerRadius="6">
                            <ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center"/>
                        </Border>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsMouseOver" Value="true">
                                <Setter TargetName="border" Property="Background" Value="{DynamicResource ControlBgBrush}"/>
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>

        <Style TargetType="DataGridColumnHeader">
            <Setter Property="Background" Value="{DynamicResource ControlBgBrush}"/>
            <Setter Property="Foreground" Value="{DynamicResource TextSecondaryBrush}"/>
            <Setter Property="Padding" Value="10,12"/>
            <Setter Property="FontWeight" Value="Bold"/>
            <Setter Property="FontSize" Value="12"/>
            <Setter Property="BorderThickness" Value="0,0,0,1"/>
            <Setter Property="BorderBrush" Value="{DynamicResource BorderDefaultBrush}"/>
        </Style>

        <Style TargetType="DataGridCell">
            <Setter Property="Padding" Value="10,8"/>
            <Setter Property="BorderThickness" Value="0"/>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="DataGridCell">
                        <Border Padding="{TemplateBinding Padding}" Background="{TemplateBinding Background}">
                            <ContentPresenter VerticalAlignment="Center"/>
                        </Border>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>

        <Style x:Key="ThemeToggleSwitchStyle" TargetType="ToggleButton">
            <Setter Property="Width" Value="52"/>
            <Setter Property="Height" Value="28"/>
            <Setter Property="Cursor" Value="Hand"/>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="ToggleButton">
                        <Grid>
                            <Border x:Name="Track" Background="{DynamicResource ControlBgBrush}" CornerRadius="14" BorderBrush="{DynamicResource BorderDefaultBrush}" BorderThickness="1.5"/>
                            <Border x:Name="Knob" Background="#2D2D2D" Width="22" Height="22" CornerRadius="11" HorizontalAlignment="Left" Margin="3">
                                <Grid>
                                    <Grid>
                                        <Path x:Name="SunIcon" Data="M12,7c-2.76,0-5,2.24-5,5s2.24,5,5,5s5-2.24,5-5S14.76,7,12,7z M2,13l2,0c0.55,0,1-0.45,1-1s-0.45-1-1-1l-2,0c-0.55,0-1,0.45-1,1S1.45,13,2,13z M20,13l2,0c0.55,0,1-0.45,1-1s-0.45-1-1-1l-2,0c-0.55,0-1,0.45-1,1S19.45,13,20,13z M11,2v2c0,0.55,0.45,1,1,1s1-0.45,1-1V2c0-0.55-0.45-1-1-1S11,1.45,11,2z M11,20v2c0,0.55,0.45,1,1,1s1-0.45,1-1v-2c0-0.55-0.45-1-1-1S11,19.45,11,20z M5.99,4.58c-0.39-0.39-1.03-0.39-1.41,0c-0.39,0.39-0.39,1.03,0,1.41l1.06,1.06c0.39,0.39,1.03,0.39,1.41,0s0.39-1.03,0-1.41L5.99,4.58z M18.36,16.95c-0.39-0.39-1.03-0.39-1.41,0c-0.39,0.39-0.39,1.03,0,1.41l1.06,1.06c0.39,0.39,1.03,0.39,1.41,0s0.39-1.03,0-1.41L18.36,16.95z M7.05,18.36c-0.39,0.39-0.39,1.03,0,1.41l1.06,1.06c0.39,0.39,1.03,0.39,1.41,0s0.39-1.03,0-1.41l-1.06-1.06c-0.39-0.39-1.03-0.39-1.41,0L7.05,18.36z M16.95,5.99c0.39,0.39,1.03,0.39,1.41,0c0.39-0.39,0.39-1.03,0-1.41l-1.06-1.06c-0.39-0.39-1.03-0.39-1.41,0s-0.39,1.03,0,1.41L16.95,5.99z" 
                                          Fill="#FFB900" Stretch="Uniform" Width="14" Height="14" VerticalAlignment="Center" HorizontalAlignment="Center"/>
                                        <Path x:Name="MoonIcon" Data="M9.37,5.51C9.19,6.13,9.1,6.79,9.1,7.47c0,3.76,3.05,6.81,6.81,6.81c0.68,0,1.34-0.09,1.96-0.27c-1.12,1.71-3.04,2.84-5.23,2.84c-3.48,0-6.31-2.83-6.31-6.31C6.34,8.35,7.56,6.51,9.37,5.51z" 
                                          Fill="#546E7A" Stretch="Uniform" Width="13" Height="13" Opacity="0" VerticalAlignment="Center" HorizontalAlignment="Center"/>
                                    </Grid>
                                </Grid>
                            </Border>
                        </Grid>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsChecked" Value="True">
                                <Setter TargetName="Knob" Property="HorizontalAlignment" Value="Right"/>
                                <Setter TargetName="Knob" Property="Background" Value="White"/>
                                <Setter TargetName="SunIcon" Property="Opacity" Value="0"/>
                                <Setter TargetName="MoonIcon" Property="Opacity" Value="1"/>
                                <Setter TargetName="Track" Property="BorderBrush" Value="White"/>
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>

        <ControlTemplate x:Key="ComboBoxToggleButton" TargetType="ToggleButton">
            <Grid>
                <Grid.ColumnDefinitions>
                    <ColumnDefinition />
                    <ColumnDefinition Width="30" />
                </Grid.ColumnDefinitions>
                <Border x:Name="Border" Grid.ColumnSpan="2" CornerRadius="6"
                Background="{DynamicResource ControlBgBrush}" 
                BorderBrush="{DynamicResource BorderDefaultBrush}" 
                BorderThickness="1" />
                <Path x:Name="Arrow" Grid.Column="1" Fill="{DynamicResource TextSecondaryBrush}" 
              HorizontalAlignment="Center" VerticalAlignment="Center" 
              Data="M0,0 L0,2 L4,6 L8,2 L8,0 L4,4 z" />
            </Grid>
            <ControlTemplate.Triggers>
                <Trigger Property="IsMouseOver" Value="true">
                    <Setter TargetName="Border" Property="Background" Value="{DynamicResource BorderDefaultBrush}" />
                </Trigger>
            </ControlTemplate.Triggers>
        </ControlTemplate>

        <Style TargetType="ComboBox" x:Key="ModernComboBox">
            <Setter Property="Foreground" Value="{DynamicResource TextPrimaryBrush}" />
            <Setter Property="Background" Value="{DynamicResource ControlBgBrush}" />
            <Setter Property="Cursor" Value="Hand" />
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="ComboBox">
                        <Grid>
                            <ToggleButton Name="ToggleButton" Template="{StaticResource ComboBoxToggleButton}" Focusable="false" 
                                  IsChecked="{Binding Path=IsDropDownOpen,Mode=TwoWay,RelativeSource={RelativeSource TemplatedParent}}" ClickMode="Press" />
                            <ContentPresenter Name="ContentSite" IsHitTestVisible="False" Content="{TemplateBinding SelectionBoxItem}" 
                                      Margin="12,0,30,0" VerticalAlignment="Center" HorizontalAlignment="Left" />

                            <Popup Name="Popup" Placement="Bottom" IsOpen="{TemplateBinding IsDropDownOpen}" AllowsTransparency="True" Focusable="False" PopupAnimation="Slide">
                                <Grid Name="DropDown" SnapsToDevicePixels="True" MinWidth="{TemplateBinding ActualWidth}" MaxHeight="200">
                                    <Border x:Name="DropDownBorder" Background="{DynamicResource CardBgBrush}" BorderThickness="1" 
                                    BorderBrush="{DynamicResource BorderDefaultBrush}" CornerRadius="6" Margin="0,4,0,0">
                                        <Border.Effect>
                                            <DropShadowEffect ShadowDepth="2" BlurRadius="6" Opacity="0.15" Direction="270"/>
                                        </Border.Effect>
                                        <ScrollViewer Margin="0,4" SnapsToDevicePixels="True">
                                            <StackPanel IsItemsHost="True" KeyboardNavigation.DirectionalNavigation="Contained" />
                                        </ScrollViewer>
                                    </Border>
                                </Grid>
                            </Popup>
                        </Grid>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>

        <Style TargetType="ComboBoxItem" x:Key="ModernComboBoxItem">
            <Setter Property="Foreground" Value="{DynamicResource TextPrimaryBrush}" />
            <Setter Property="Background" Value="Transparent" />
            <Setter Property="Padding" Value="12,8" />
            <Setter Property="Cursor" Value="Hand" />
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="ComboBoxItem">
                        <Border Name="Border" Padding="{TemplateBinding Padding}" Background="{TemplateBinding Background}">
                            <ContentPresenter />
                        </Border>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsMouseOver" Value="true">
                                <Setter TargetName="Border" Property="Background" Value="{DynamicResource ControlBgBrush}" />
                            </Trigger>
                            <Trigger Property="IsSelected" Value="true">
                                <Setter TargetName="Border" Property="Background" Value="#0D6EFD" />
                                <Setter Property="Foreground" Value="White" />
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>

        <Style x:Key="ModernThumbStyle" TargetType="Thumb">
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="Thumb">
                        <Border Background="DarkGray" CornerRadius="6" MaxWidth="10" />
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
        <Style TargetType="ScrollBar">
            <Setter Property="Width" Value="5"/>
            <Setter Property="Background" Value="Transparent"/>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="ScrollBar">
                        <Track x:Name="PART_Track" IsDirectionReversed="True">
                            <Track.Thumb>
                                <Thumb Style="{StaticResource ModernThumbStyle}"/>
                            </Track.Thumb>
                        </Track>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
    </Window.Resources>

    <Border Background="{DynamicResource AppBgBrush}" CornerRadius="10" BorderBrush="{DynamicResource BorderDefaultBrush}" BorderThickness="1">
        <Grid>
            <Grid.RowDefinitions>
                <RowDefinition Height="50"/>
                <RowDefinition Height="*"/>
            </Grid.RowDefinitions>

            <Grid Grid.Row="0" Background="Transparent" MouseDown="Window_MouseDown" KeyboardNavigation.TabNavigation="None">
                <StackPanel Orientation="Horizontal" Margin="20,0,0,0" VerticalAlignment="Center">
                    <Image Source="/assets/icon.ico" Width="18" Height="18" Margin="0,0,10,0" RenderOptions.BitmapScalingMode="HighQuality"/>
                    <TextBlock Text="File Renamer" Foreground="{DynamicResource TextPrimaryBrush}" FontWeight="Bold" FontSize="14"/>
                </StackPanel>

                <StackPanel Orientation="Horizontal" HorizontalAlignment="Right" Margin="0,0,10,0">
                    <ToggleButton x:Name="tglTheme" Style="{StaticResource ThemeToggleSwitchStyle}" VerticalAlignment="Center" Margin="0,0,10,0" Checked="tglTheme_Checked" Unchecked="tglTheme_Unchecked"/>
                    <Button x:Name="BtnAbout" Style="{StaticResource IconButton}" Click="BtnAbout_Click" ToolTip="About App" Margin="0,0,5,0">
                        <Image Source="/assets/info.png" Width="23" Height="23" RenderOptions.BitmapScalingMode="HighQuality"/>
                    </Button>
                    <Button Style="{StaticResource IconButton}" Content="✕" FontSize="18" Click="BtnClose_Click"/>
                </StackPanel>
            </Grid>

            <Grid Grid.Row="1" Margin="15,0,15,15">
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="380"/>
                    <ColumnDefinition Width="*"/>
                </Grid.ColumnDefinitions>

                <Grid x:Name="LeftCardPanel" Grid.Column="0" Margin="0,0,15,0" VerticalAlignment="Top">
                    <Grid.RowDefinitions>
                        <RowDefinition Height="*"/>
                        <RowDefinition Height="Auto"/>
                    </Grid.RowDefinitions>

                    <ScrollViewer Grid.Row="0" VerticalScrollBarVisibility="Auto" Margin="0,0,-5,0" Padding="0,0,5,0">
                        <StackPanel>

                            <Border Style="{StaticResource CardContainer}" KeyboardNavigation.TabNavigation="None">
                                <StackPanel>
                                    <StackPanel Orientation="Horizontal" Margin="0,0,0,15">
                                        <Path Data="M10 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V8c0-1.1-.9-2-2-2h-8l-2-2z" Fill="#0D6EFD" Width="18" Height="18" Stretch="Uniform" VerticalAlignment="Center"/>
                                        <TextBlock Text="Directory" FontWeight="Bold" FontSize="15" Foreground="#0D6EFD" Margin="10,0,0,0" VerticalAlignment="Center"/>
                                    </StackPanel>

                                    <TextBlock Text="Source Folder:" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="12" Margin="0,0,0,5"/>
                                    <Grid Margin="0,0,0,15">
                                        <Grid.ColumnDefinitions>
                                            <ColumnDefinition Width="*"/>
                                            <ColumnDefinition Width="80"/>
                                        </Grid.ColumnDefinitions>
                                        <Border Grid.Column="0" BorderBrush="{DynamicResource BorderDefaultBrush}" BorderThickness="1" CornerRadius="4" Background="{DynamicResource ControlBgBrush}">
                                            <TextBox x:Name="TxtSourceFolder" IsReadOnly="True" Height="32" Padding="10,0" VerticalContentAlignment="Center" BorderThickness="0" Background="Transparent" Foreground="{DynamicResource TextPrimaryBrush}"/>
                                        </Border>
                                        <Button x:Name="BtnBrowseSource" Content="Browse" Grid.Column="1" Click="BtnBrowseSource_Click" Style="{StaticResource ModernButton}" Background="#6C757D" Margin="10,0,0,0"/>
                                    </Grid>

                                    <StackPanel x:Name="OutputFolderSection" IsEnabled="False">
                                        <TextBlock Text="Output Folder:" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="12" Margin="0,0,0,5"/>
                                        <Grid>
                                            <Grid.ColumnDefinitions>
                                                <ColumnDefinition Width="*"/>
                                                <ColumnDefinition Width="80"/>
                                            </Grid.ColumnDefinitions>
                                            <Border Grid.Column="0" BorderBrush="{DynamicResource BorderDefaultBrush}" BorderThickness="1" CornerRadius="4" Background="{DynamicResource ControlBgBrush}">
                                                <TextBox x:Name="TxtOutputFolder" IsReadOnly="True" Height="32" Padding="10,0" VerticalContentAlignment="Center" BorderThickness="0" Background="Transparent"/>
                                            </Border>
                                            <Button x:Name="BtnBrowseOutput" Content="Browse" Grid.Column="1" Click="BtnBrowseOutput_Click" Style="{StaticResource ModernButton}" Background="#6C757D" Margin="10,0,0,0"/>
                                        </Grid>
                                    </StackPanel>
                                </StackPanel>
                            </Border>

                            <Border Grid.Column="1" Style="{StaticResource CardContainer}" Margin="10,0,0,0">
                                <StackPanel>
                                    <StackPanel Orientation="Horizontal" Margin="0,0,0,15" VerticalAlignment="Center">
                                        <Path Data="M19.14,12.94c0.04-0.3,0.06-0.61,0.06-0.94c0-0.32-0.02-0.64-0.06-0.94l2.03-1.58c0.18-0.14,0.23-0.41,0.12-0.61 l-1.92-3.32c-0.12-0.22-0.37-0.29-0.59-0.22l-2.39,0.96c-0.5-0.38-1.03-0.7-1.62-0.94L14.4,2.81c-0.04-0.24-0.24-0.41-0.48-0.41 h-3.84c-0.24,0-0.43,0.17-0.47,0.41L9.25,5.35C8.66,5.59,8.12,5.92,7.63,6.29L5.24,5.33c-0.22-0.08-0.47,0-0.59,0.22L2.73,8.87 C2.62,9.08,2.66,9.34,2.86,9.48l2.03,1.58C4.84,11.36,4.8,11.69,4.8,12s0.02,0.64,0.06,0.94l-2.03,1.58 c-0.18,0.14-0.23,0.41-0.12,0.61l1.92,3.32c0.12,0.22,0.37,0.29,0.59,0.22l2.39-0.96c0.5,0.38,1.03,0.7,1.62,0.94l0.36,2.54 c0.05,0.24,0.24,0.41,0.48,0.41h3.84c0.24,0,0.43-0.17,0.47-0.41l0.36-2.54c0.59-0.24,1.13-0.56,1.62-0.94l2.39,0.96 c0.22,0.08,0.47,0,0.59-0.22l1.92-3.32c0.12-0.22,0.07-0.49-0.12-0.61L19.14,12.94z M12,15.6c-1.98,0-3.6-1.62-3.6-3.6 s1.62-3.6,3.6-3.6s3.6,1.62,3.6,3.6S13.98,15.6,12,15.6z" Fill="#0D6EFD" Width="16" Height="16" Stretch="Uniform" VerticalAlignment="Center"/>
                                        <TextBlock Text="Settings" FontWeight="Bold" FontSize="15" Foreground="#0D6EFD" Margin="10,0,0,0"/>
                                    </StackPanel>

                                    <Grid Margin="0,0,0,15">

                                        <Grid.ColumnDefinitions>
                                            <ColumnDefinition Width="Auto" MinWidth="170"/>
                                            <ColumnDefinition Width="*"/>
                                        </Grid.ColumnDefinitions>

                                        <Grid.RowDefinitions>
                                            <RowDefinition Height="Auto"/>
                                            <RowDefinition Height="Auto"/>
                                        </Grid.RowDefinitions>

                                        <RadioButton x:Name="RbInPlace" Foreground="{DynamicResource TextPrimaryBrush}" Content="Rename in-place" 
                 Grid.Row="0" Grid.Column="0" Margin="0,0,0,10" IsChecked="True"/>

                                        <RadioButton x:Name="RbCopy" Foreground="{DynamicResource TextPrimaryBrush}" Content="Copy to new folder" 
                 Grid.Row="0" Grid.Column="1" Margin="0,0,0,10" Checked="ModeSelection_Changed" Unchecked="ModeSelection_Changed"/>

                                        <CheckBox x:Name="ChkCreateRestoreLog" Foreground="{DynamicResource TextPrimaryBrush}" Content="Create restore log" 
              Grid.Row="1" Grid.Column="0" IsChecked="True"/>

                                        <CheckBox x:Name="ChkSoundNotif" Foreground="{DynamicResource TextPrimaryBrush}" Content="Play sound notification" 
              Grid.Row="1" Grid.Column="1" IsChecked="False"/>

                                    </Grid>

                                    <Grid Margin="0,0,0,10">
                                        <Grid.ColumnDefinitions>
                                            <ColumnDefinition Width="*"/>
                                            <ColumnDefinition Width="*"/>
                                        </Grid.ColumnDefinitions>
                                        <StackPanel Margin="0,0,5,0">
                                            <TextBlock Text="Find:" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="12" Margin="0,0,0,5"/>
                                            <TextBox x:Name="TxtFind" Height="32" Padding="8,0" VerticalContentAlignment="Center" TextChanged="TxtFind_TextChanged"/>
                                        </StackPanel>
                                        <StackPanel Grid.Column="1" Margin="5,0,0,0">
                                            <TextBlock Text="Replace with:" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="12" Margin="0,0,0,5"/>
                                            <TextBox x:Name="TxtReplace" Height="32" Padding="8,0" VerticalContentAlignment="Center" TextChanged="TxtReplace_TextChanged"/>
                                        </StackPanel>
                                    </Grid>

                                    <Grid Margin="0,0,0,15">
                                        <Grid.ColumnDefinitions>
                                            <ColumnDefinition Width="*"/>
                                            <ColumnDefinition Width="*"/>
                                        </Grid.ColumnDefinitions>
                                        <StackPanel Grid.Column="0" Margin="0,0,5,0">
                                            <TextBlock Text="Extension Filter:" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="12" Margin="0,0,0,5"/>
                                            <TextBox x:Name="TxtExtension" Height="32" Padding="8,0" VerticalContentAlignment="Center"/>
                                        </StackPanel>
                                        <Button x:Name="BtnToggleAdvanced" Grid.Column="1" Content="Advanced Setting ▼" VerticalAlignment="Bottom" Height="32" Margin="5,0,0,0" Click="BtnToggleAdvanced_Click" Style="{StaticResource ModernButton}" Background="#E9ECEF" Foreground="#495057"/>
                                    </Grid>

                                    <StackPanel x:Name="AdvancedPanel" Visibility="Collapsed">
                                        <TextBlock Text="Presets Rule:" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="12" Margin="0,0,0,5"/>
                                        <ComboBox x:Name="CmbPresets" Style="{StaticResource ModernComboBox}" Height="32" Margin="0,0,0,10" SelectionChanged="CmbPresets_SelectionChanged">
                                            <ComboBoxItem Content="Standard Replace"/>
                                            <ComboBoxItem Content="Remove Brackets"/>
                                            <ComboBoxItem Content="Remove Numbers"/>
                                            <ComboBoxItem Content="Remove Symbols"/>
                                            <ComboBoxItem Content="Remove Extra Spaces"/>
                                            <ComboBoxItem Content="Trim Leading/Trailing Spaces"/>
                                            <ComboBoxItem Content="Spaces to Underscores"/>
                                            <ComboBoxItem Content="Spaces to Dashes"/>
                                            <ComboBoxItem Content="Remove Leading Track Numbers"/>
                                            <ComboBoxItem Content="Custom Regex"/>
                                        </ComboBox>

                                        <Grid Margin="0,0,0,10">
                                            <Grid.ColumnDefinitions>
                                                <ColumnDefinition Width="*"/>
                                                <ColumnDefinition Width="*"/>
                                            </Grid.ColumnDefinitions>
                                            <StackPanel Margin="0,0,5,0">
                                                <TextBlock Text="Example Input:" FontSize="11" Margin="0,0,0,3" Foreground="{DynamicResource TextPrimaryBrush}"/>
                                                <TextBox x:Name="TxtExInput" Text="sample(@123#)★" Height="28" IsReadOnly="True" Background="#F8F9FA" TextAlignment="Center" VerticalContentAlignment="Center" FontSize="11"/>
                                            </StackPanel>
                                            <StackPanel Grid.Column="1" Margin="5,0,0,0">
                                                <TextBlock Text="Example Output:" FontSize="11" Margin="0,0,0,3" Foreground="{DynamicResource TextPrimaryBrush}"/>
                                                <TextBox x:Name="TxtExOutput" Height="28" IsReadOnly="True" Background="#F8F9FA" Foreground="#0056B3" FontWeight="Bold" TextAlignment="Center" VerticalContentAlignment="Center" FontSize="11"/>
                                            </StackPanel>
                                        </Grid>

                                        <StackPanel x:Name="CheatSheetPanel" Visibility="Collapsed" Margin="0,10,0,0">
                                            <TextBlock Text="Regex Cheat Sheet:" FontWeight="SemiBold" FontSize="11" Foreground="{DynamicResource TextPrimaryBrush}" Margin="0,0,0,4"/>
                                            <UniformGrid Columns="2" Margin="0,0,0,6">
                                                <TextBlock Text="• \d+ = Match all numbers" FontSize="11" Foreground="{DynamicResource TextPrimaryBrush}" Margin="0,0,4,2"/>
                                                <TextBlock Text="• [abc] = Match a, b, or c" FontSize="11" Foreground="{DynamicResource TextPrimaryBrush}" Margin="0,0,0,2"/>
                                                <TextBlock Text="• \s = Match space" FontSize="11" Foreground="{DynamicResource TextPrimaryBrush}" Margin="0,0,4,0"/>
                                                <TextBlock Text="• .* = Match everything" FontSize="11" Foreground="{DynamicResource TextPrimaryBrush}" Margin="0,0,0,0"/>
                                            </UniformGrid>
                                            <TextBlock Text="Capture Groups: Use ( ) in Find, and $1 in Replace." FontSize="11" Foreground="#0078D4" FontWeight="SemiBold"/>
                                        </StackPanel>
                                    </StackPanel>
                                </StackPanel>
                            </Border>
                        </StackPanel>
                    </ScrollViewer>

                    <Grid Grid.Row="1" Margin="0,15,0,0" KeyboardNavigation.TabNavigation="None">
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition Width="*"/>
                            <ColumnDefinition Width="*"/>
                            <ColumnDefinition Width="1.2*"/>
                        </Grid.ColumnDefinitions>
                        <Button x:Name="BtnRestore" Content="Restore" Grid.Column="0" Margin="0,0,5,0" Click="BtnRestore_Click" Style="{StaticResource ModernButton}" Background="#FFC107" Foreground="#212529" IsEnabled="False"/>
                        <Button x:Name="BtnCancel" Content="Cancel" Grid.Column="1" Margin="5,0,5,0" Click="BtnCancel_Click" Style="{StaticResource ModernButton}" Background="#DC3545" IsEnabled="False"/>
                        <Button x:Name="BtnRename" Content="Rename" Grid.Column="2" Margin="5,0,0,0" Click="BtnRename_Click" Style="{StaticResource ModernButton}" Background="#0D6EFD" Foreground="White"/>
                    </Grid>
                </Grid>

                <Border Grid.Column="1" Background="{DynamicResource CardBgBrush}" CornerRadius="8" BorderBrush="{DynamicResource BorderDefaultBrush}" BorderThickness="1" ClipToBounds="True" KeyboardNavigation.TabNavigation="None">
                    <DataGrid Name="DgLog" 
          MaxHeight="{Binding ElementName=LeftCardPanel, Path=ActualHeight}" 
          ScrollViewer.VerticalScrollBarVisibility="Auto"
          AutoGenerateColumns="False" CanUserAddRows="False" IsReadOnly="True" 
          HeadersVisibility="Column" Background="Transparent" Foreground="{DynamicResource TextPrimaryBrush}" 
          RowBackground="Transparent" BorderBrush="{DynamicResource BorderDefaultBrush}" BorderThickness="1" 
          RowHeight="32" GridLinesVisibility="Horizontal" HorizontalGridLinesBrush="{DynamicResource BorderDefaultBrush}" 
          EnableRowVirtualization="True" VirtualizingPanel.IsVirtualizing="True" VirtualizingPanel.VirtualizationMode="Recycling">

                        <DataGrid.Resources>
                            <Style TargetType="DataGridCell">
                                <Setter Property="BorderThickness" Value="0"/>
                                <Setter Property="FocusVisualStyle" Value="{x:Null}"/>
                                <Setter Property="Padding" Value="5,0"/>
                            </Style>

                            <Style TargetType="DataGridColumnHeader">
                                <Setter Property="Background" Value="{DynamicResource ControlBgBrush}"/>
                                <Setter Property="Foreground" Value="{DynamicResource TextPrimaryBrush}"/>
                                <Setter Property="FontWeight" Value="SemiBold"/>
                                <Setter Property="Padding" Value="10,8"/>
                                <Setter Property="BorderThickness" Value="0,0,0,1"/>
                                <Setter Property="BorderBrush" Value="{DynamicResource BorderDefaultBrush}"/>
                                <Setter Property="HorizontalContentAlignment" Value="Center"/>
                            </Style>
                        </DataGrid.Resources>

                        <DataGrid.Columns>
                            <DataGridTextColumn Header="SOURCE FILE" Binding="{Binding OriginalName}" Width="*" ElementStyle="{StaticResource CenterAlignStyle}"/>
                            <DataGridTextColumn Header="DESTINATION" Binding="{Binding NewName}" Width="*" ElementStyle="{StaticResource CenterAlignStyle}"/>

                            <DataGridTextColumn Header="STATUS" Binding="{Binding Status}" Width="120">
                                <DataGridTextColumn.ElementStyle>
                                    <Style TargetType="TextBlock" BasedOn="{StaticResource CenterAlignStyle}">
                                        <Setter Property="FontWeight" Value="Bold"/>
                                        <Style.Triggers>
                                            <!-- Success states -->
                                            <DataTrigger Binding="{Binding Status}" Value="COMPLETE">
                                                <Setter Property="Foreground" Value="#198754"/>
                                            </DataTrigger>
                                            <DataTrigger Binding="{Binding Status}" Value="Renamed">
                                                <Setter Property="Foreground" Value="#198754"/>
                                            </DataTrigger>
                                            <DataTrigger Binding="{Binding Status}" Value="Copied">
                                                <Setter Property="Foreground" Value="#198754"/>
                                            </DataTrigger>
                                            <DataTrigger Binding="{Binding Status}" Value="Restored">
                                                <Setter Property="Foreground" Value="#198754"/>
                                            </DataTrigger>

                                            <!-- Error/destructive states -->
                                            <DataTrigger Binding="{Binding Status}" Value="Failed">
                                                <Setter Property="Foreground" Value="#DC3545"/>
                                            </DataTrigger>
                                            <DataTrigger Binding="{Binding Status}" Value="Deleted">
                                                <Setter Property="Foreground" Value="#DC3545"/>
                                            </DataTrigger>

                                            <!-- Neutral state -->
                                            <DataTrigger Binding="{Binding Status}" Value="Missing">
                                                <Setter Property="Foreground" Value="#6C757D"/>
                                            </DataTrigger>
                                        </Style.Triggers>
                                    </Style>
                                </DataGridTextColumn.ElementStyle>
                            </DataGridTextColumn>
                        </DataGrid.Columns>
                    </DataGrid>
                </Border>
            </Grid>
        </Grid>
    </Border>
</Window>