diff --git a/AmiReel.WinUI/MainPage.xaml b/AmiReel.WinUI/MainPage.xaml
index 58f4fa9..df230da 100644
--- a/AmiReel.WinUI/MainPage.xaml
+++ b/AmiReel.WinUI/MainPage.xaml
@@ -31,7 +31,10 @@
                     <ListView x:Name="InputList"
                               Height="120"
                               SelectionMode="Single"
-                              SelectionChanged="InputList_SelectionChanged" />
+                              SelectionChanged="InputList_SelectionChanged"
+                              AllowDrop="True"
+                              DragOver="InputList_DragOver"
+                              Drop="InputList_Drop" />
                     <Button x:Name="PreviewSourceButton"
                             Content="Preview selected"
                             Click="PreviewSource_Click"
@@ -163,6 +166,18 @@
                         </StackPanel>
                     </Border>
 
+                    <Border Padding="14" Background="{ThemeResource PanelAltBrush}" BorderBrush="{ThemeResource BorderBrush}" BorderThickness="1" CornerRadius="12">
+                        <StackPanel Spacing="10">
+                            <TextBlock Text="Source files" Style="{StaticResource SectionTitleStyle}" />
+                            <CheckBox x:Name="MoveSourcesBox"
+                                      Content="Move source videos to destination\originals"
+                                      IsChecked="True" />
+                            <TextBlock Text="After a successful render, original recordings are moved into an originals subfolder of the output folder. Uncheck to leave them where they are."
+                                       TextWrapping="WrapWholeWords"
+                                       Style="{StaticResource MutedTextStyle}" />
+                        </StackPanel>
+                    </Border>
+
                     <Border Padding="14" Background="{ThemeResource PanelAltBrush}" BorderBrush="{ThemeResource BorderBrush}" BorderThickness="1" CornerRadius="12">
                         <StackPanel Spacing="10">
                             <TextBlock Text="FFmpeg tools" Style="{StaticResource SectionTitleStyle}" />
diff --git a/AmiReel.WinUI/MainPage.xaml.cs b/AmiReel.WinUI/MainPage.xaml.cs
index 9df5d20..030f62b 100644
--- a/AmiReel.WinUI/MainPage.xaml.cs
+++ b/AmiReel.WinUI/MainPage.xaml.cs
@@ -7,6 +7,8 @@ using AmigaDB.VideoRenderer.Services;
 using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Controls;
 using Microsoft.Win32;
+using Windows.ApplicationModel.DataTransfer;
+using Windows.Storage;
 using Windows.Storage.Pickers;
 using WinRT.Interop;
 
@@ -39,6 +41,7 @@ public sealed partial class MainPage : Page
         SelectEncoder(_loadedSettings.Encoder);
         SelectTheme(_loadedSettings.Theme);
         ApplyTheme(_loadedSettings.Theme);
+        MoveSourcesBox.IsChecked = _loadedSettings.ShouldMoveSourcesToOriginals;
     }
 
     private async void AddInputs_Click(object sender, RoutedEventArgs e)
@@ -55,6 +58,25 @@ public sealed partial class MainPage : Page
 
     private void ClearInputs_Click(object sender, RoutedEventArgs e) => _inputs.Clear();
 
+    private void InputList_DragOver(object sender, DragEventArgs e)
+    {
+        e.AcceptedOperation = e.DataView.Contains(StandardDataFormats.StorageItems)
+            ? DataPackageOperation.Copy
+            : DataPackageOperation.None;
+    }
+
+    private async void InputList_Drop(object sender, DragEventArgs e)
+    {
+        if (!e.DataView.Contains(StandardDataFormats.StorageItems)) return;
+
+        IReadOnlyList<IStorageItem> items = await e.DataView.GetStorageItemsAsync();
+        foreach (string path in items.OfType<StorageFile>()
+                     .Select(file => file.Path)
+                     .Where(path => string.Equals(Path.GetExtension(path), ".avi", StringComparison.OrdinalIgnoreCase))
+                     .OrderBy(NaturalKey))
+            if (!_inputs.Contains(path, StringComparer.OrdinalIgnoreCase)) _inputs.Add(path);
+    }
+
     private async void BrowseEndCard_Click(object sender, RoutedEventArgs e)
     {
         FileOpenPicker picker = CreateFileOpenPicker();
@@ -111,7 +133,8 @@ public sealed partial class MainPage : Page
             LogBox.Text = string.Empty;
             _renderCancellation = new CancellationTokenSource();
             Progress<RenderProgress> progress = new(UpdateProgress);
-            await new RenderPipeline().RenderAsync(settings, progress, AppendLog, _renderCancellation.Token);
+            IReadOnlyList<string> resolvedInputs = await new RenderPipeline().RenderAsync(settings, progress, AppendLog, _renderCancellation.Token);
+            ReplaceInputs(resolvedInputs);
             _lastRenderedFile = Path.Combine(settings.OutputDirectory, settings.OutputName + "_final.mp4");
             OpenOutputButton.IsEnabled = true;
             PreviewRenderedButton.IsEnabled = File.Exists(_lastRenderedFile);
@@ -192,7 +215,15 @@ public sealed partial class MainPage : Page
             Number(TrimBox.Text, "trim start"),
             Number(FadeBox.Text, "fade"),
             Number(HoldBox.Text, "end-card hold"),
-            interval);
+            interval,
+            MoveSourcesBox.IsChecked == true);
+    }
+
+    private void ReplaceInputs(IReadOnlyList<string> paths)
+    {
+        _inputs.Clear();
+        foreach (string path in paths)
+            _inputs.Add(path);
     }
 
     private void SetRendering(bool rendering)
@@ -260,7 +291,8 @@ public sealed partial class MainPage : Page
             TrimBox.Text.Trim(),
             FadeBox.Text.Trim(),
             HoldBox.Text.Trim(),
-            IntervalBox.Text.Trim()));
+            IntervalBox.Text.Trim(),
+            MoveSourcesBox.IsChecked == true));
     }
 
     private string SelectedTheme() => (ThemeBox.SelectedItem as ComboBoxItem)?.Tag?.ToString() ?? "Dark";
diff --git a/AmiReel.WinUI/MainWindow.xaml.cs b/AmiReel.WinUI/MainWindow.xaml.cs
index 4d1fa15..99b876a 100644
--- a/AmiReel.WinUI/MainWindow.xaml.cs
+++ b/AmiReel.WinUI/MainWindow.xaml.cs
@@ -1,4 +1,6 @@
+using Microsoft.UI.Windowing;
 using Microsoft.UI.Xaml;
+using Microsoft.UI.Xaml.Controls;
 using System;
 using System.IO;
 
@@ -14,6 +16,8 @@ namespace AmiReel_WinUI;
 /// </summary>
 public sealed partial class MainWindow : Window
 {
+    private bool _exitConfirmed;
+
     public MainWindow()
     {
         InitializeComponent();
@@ -27,5 +31,29 @@ public sealed partial class MainWindow : Window
 
         // Navigate the root frame to the main page on startup.
         RootFrame.Navigate(typeof(MainPage));
+
+        AppWindow.Closing += AppWindow_Closing;
+    }
+
+    private async void AppWindow_Closing(AppWindow sender, AppWindowClosingEventArgs args)
+    {
+        if (_exitConfirmed) return;
+        args.Cancel = true;
+
+        ContentDialog dialog = new()
+        {
+            Title = "Exit AmiReel?",
+            Content = "Are you sure you want to close the application?",
+            PrimaryButtonText = "Exit",
+            CloseButtonText = "Cancel",
+            DefaultButton = ContentDialogButton.Close,
+            XamlRoot = RootFrame.XamlRoot
+        };
+
+        ContentDialogResult result = await dialog.ShowAsync();
+        if (result != ContentDialogResult.Primary) return;
+
+        _exitConfirmed = true;
+        Close();
     }
 }
diff --git a/AmigaDB.VideoRenderer.csproj b/AmigaDB.VideoRenderer.csproj
index 31e8fea..cac70be 100644
--- a/AmigaDB.VideoRenderer.csproj
+++ b/AmigaDB.VideoRenderer.csproj
@@ -31,6 +31,10 @@
     <EmbeddedResource Include="ThirdParty\ffprobe.exe" Condition="Exists('ThirdParty\ffprobe.exe')" LogicalName="AmigaDB.VideoRenderer.Tools.ffprobe.exe" />
   </ItemGroup>
 
+  <ItemGroup>
+    <Resource Include="assets\AmiReel.ico" Condition="Exists('assets\AmiReel.ico')" />
+  </ItemGroup>
+
   <Target Name="RequireFfmpegForPublish" BeforeTargets="Publish">
     <Error Condition="!Exists('ThirdParty\ffmpeg.exe')" Text="ThirdParty\ffmpeg.exe is required for a portable publish." />
     <Error Condition="!Exists('ThirdParty\ffprobe.exe')" Text="ThirdParty\ffprobe.exe is required for a portable publish." />
diff --git a/App.xaml b/App.xaml
index 7da4a18..1740468 100644
--- a/App.xaml
+++ b/App.xaml
@@ -377,5 +377,47 @@
         <Style TargetType="TextBlock">
             <Setter Property="Foreground" Value="{DynamicResource TextBrush}"/>
         </Style>
+        <Style x:Key="TitleBarButton" TargetType="Button">
+            <Setter Property="Width" Value="46"/>
+            <Setter Property="Height" Value="40"/>
+            <Setter Property="Background" Value="Transparent"/>
+            <Setter Property="Foreground" Value="{DynamicResource TextBrush}"/>
+            <Setter Property="BorderThickness" Value="0"/>
+            <Setter Property="FontFamily" Value="Segoe Fluent Icons, Segoe MDL2 Assets"/>
+            <Setter Property="FontSize" Value="11"/>
+            <Setter Property="Cursor" Value="Arrow"/>
+            <Setter Property="Focusable" Value="False"/>
+            <Setter Property="Template">
+                <Setter.Value>
+                    <ControlTemplate TargetType="Button">
+                        <Border x:Name="Bg" Background="{TemplateBinding Background}">
+                            <ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center"/>
+                        </Border>
+                        <ControlTemplate.Triggers>
+                            <Trigger Property="IsMouseOver" Value="True">
+                                <Setter TargetName="Bg" Property="Background" Value="{DynamicResource ButtonHoverBrush}"/>
+                            </Trigger>
+                        </ControlTemplate.Triggers>
+                    </ControlTemplate>
+                </Setter.Value>
+            </Setter>
+        </Style>
+        <Style x:Key="TitleBarCloseButton" TargetType="Button" BasedOn="{StaticResource TitleBarButton}">
+            <Setter Property="Template">
+                <Setter.Value>
+                    <ControlTemplate TargetType="Button">
+                        <Border x:Name="Bg" Background="{TemplateBinding Background}">
+                            <ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center"/>
+                        </Border>
+                        <ControlTemplate.Triggers>
+                            <Trigger Property="IsMouseOver" Value="True">
+                                <Setter TargetName="Bg" Property="Background" Value="#E81123"/>
+                                <Setter Property="Foreground" Value="White"/>
+                            </Trigger>
+                        </ControlTemplate.Triggers>
+                    </ControlTemplate>
+                </Setter.Value>
+            </Setter>
+        </Style>
     </Application.Resources>
 </Application>
diff --git a/MainWindow.xaml b/MainWindow.xaml
index 583cbf1..2e31c92 100644
--- a/MainWindow.xaml
+++ b/MainWindow.xaml
@@ -2,8 +2,45 @@
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         Title="AmiReel" Height="860" Width="1280" MinHeight="780" MinWidth="1100"
-        WindowStartupLocation="CenterScreen">
+        WindowStartupLocation="CenterScreen"
+        WindowStyle="None"
+        ResizeMode="CanResize"
+        Icon="assets/AmiReel.ico">
+    <WindowChrome.WindowChrome>
+        <WindowChrome CaptionHeight="40"
+                      ResizeBorderThickness="6"
+                      GlassFrameThickness="0"
+                      UseAeroCaptionButtons="False"/>
+    </WindowChrome.WindowChrome>
     <Grid Background="{DynamicResource PageBrush}">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="*"/>
+        </Grid.RowDefinitions>
+
+        <Grid Grid.Row="0" Background="{DynamicResource PanelBrush}" Height="40">
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="Auto"/>
+                <ColumnDefinition Width="*"/>
+                <ColumnDefinition Width="Auto"/>
+                <ColumnDefinition Width="Auto"/>
+                <ColumnDefinition Width="Auto"/>
+            </Grid.ColumnDefinitions>
+
+            <Image Source="assets/AmiReel.ico" Width="18" Height="18" Margin="14,0,8,0" VerticalAlignment="Center"
+                   WindowChrome.IsHitTestVisibleInChrome="False"/>
+            <TextBlock Grid.Column="1" Text="AmiReel" VerticalAlignment="Center" FontWeight="SemiBold"
+                       Foreground="{DynamicResource TextBrush}" WindowChrome.IsHitTestVisibleInChrome="False"/>
+
+            <Button x:Name="MinimizeButton" Grid.Column="2" Content="&#xE921;" Style="{StaticResource TitleBarButton}"
+                    Click="Minimize_Click" ToolTip="Minimize" WindowChrome.IsHitTestVisibleInChrome="True"/>
+            <Button x:Name="MaximizeButton" Grid.Column="3" Content="&#xE922;" Style="{StaticResource TitleBarButton}"
+                    Click="MaximizeRestore_Click" ToolTip="Maximize" WindowChrome.IsHitTestVisibleInChrome="True"/>
+            <Button x:Name="CloseWindowButton" Grid.Column="4" Content="&#xE8BB;" Style="{StaticResource TitleBarCloseButton}"
+                    Click="CloseWindowButton_Click" ToolTip="Close" WindowChrome.IsHitTestVisibleInChrome="True"/>
+        </Grid>
+
+        <Grid Grid.Row="1">
         <Grid>
             <Grid.Background>
                 <DrawingBrush Stretch="None" Viewport="0,0,36,36" ViewportUnits="Absolute" Opacity="0.08">
@@ -43,7 +80,9 @@
                             <Button Content="Add AVI files…" Click="AddInputs_Click" Margin="0,0,8,0"/>
                             <Button Content="Clear" Click="ClearInputs_Click"/>
                         </StackPanel>
-                        <ListBox x:Name="InputList" Grid.Row="1" SelectionChanged="InputList_SelectionChanged"/>
+                        <ListBox x:Name="InputList" Grid.Row="1" SelectionChanged="InputList_SelectionChanged"
+                                 AllowDrop="True" DragEnter="InputList_DragEnter" DragOver="InputList_DragEnter" Drop="InputList_Drop"
+                                 ToolTip="Drag and drop AVI files here to add them"/>
                         <Button x:Name="PreviewSourceButton" Grid.Row="2" Content="Preview selected" Click="PreviewSource_Click"
                                 HorizontalAlignment="Left" Margin="0,10,0,0" IsEnabled="False"/>
                     </Grid>
@@ -148,6 +187,18 @@
                                         </Grid>
                                     </GroupBox>
 
+                                    <GroupBox Header="Source files">
+                                        <StackPanel>
+                                            <CheckBox x:Name="MoveSourcesBox"
+                                                      Content="Move source videos to destination\originals"
+                                                      IsChecked="True"
+                                                      Margin="0,0,0,6"/>
+                                            <TextBlock Foreground="{DynamicResource MutedBrush}"
+                                                       TextWrapping="Wrap"
+                                                       Text="After a successful render, original recordings are moved into an originals subfolder of the output folder. Uncheck to leave them where they are."/>
+                                        </StackPanel>
+                                    </GroupBox>
+
                                     <GroupBox Header="Video encoding">
                                         <Grid>
                                             <Grid.ColumnDefinitions><ColumnDefinition Width="*"/><ColumnDefinition Width="*"/></Grid.ColumnDefinitions>
@@ -202,5 +253,27 @@
                 </Grid>
             </Border>
         </Grid>
+        </Grid>
+
+        <Border x:Name="ExitConfirmOverlay" Grid.RowSpan="2" Background="#88060B14" Visibility="Collapsed">
+            <Border Width="420"
+                    HorizontalAlignment="Center"
+                    VerticalAlignment="Center"
+                    Background="{DynamicResource PanelBrush}"
+                    BorderBrush="{DynamicResource HeroBorderBrush}"
+                    BorderThickness="1.5"
+                    CornerRadius="20"
+                    Padding="24">
+                <StackPanel>
+                    <TextBlock Text="Exit AmiReel?" FontSize="20" FontWeight="SemiBold" Margin="0,0,0,10"/>
+                    <TextBlock Text="Are you sure you want to close the application?"
+                               Foreground="{DynamicResource MutedBrush}" TextWrapping="Wrap" Margin="0,0,0,20"/>
+                    <StackPanel Orientation="Horizontal" HorizontalAlignment="Right">
+                        <Button Content="Cancel" Click="CancelExit_Click" MinWidth="110" Margin="0,0,10,0"/>
+                        <Button Content="Exit" Style="{StaticResource PrimaryButton}" Click="ConfirmExit_Click" MinWidth="110"/>
+                    </StackPanel>
+                </StackPanel>
+            </Border>
+        </Border>
     </Grid>
 </Window>
diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index 9c76aae..55cb4ee 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -2,9 +2,11 @@ using System.Collections.ObjectModel;
 using System.Diagnostics;
 using System.Globalization;
 using System.IO;
+using System.Runtime.InteropServices;
 using System.Text;
 using System.Windows;
 using System.Windows.Controls;
+using System.Windows.Interop;
 using AmigaDB.VideoRenderer.Models;
 using AmigaDB.VideoRenderer.Services;
 using Microsoft.Win32;
@@ -21,6 +23,8 @@ public partial class MainWindow : Window
     private CancellationTokenSource? _renderCancellation;
     private string? _lastRenderedFile;
     private bool _logFlushScheduled;
+    private bool _titleBarIsLight;
+    private bool _exitConfirmed;
 
     public MainWindow()
     {
@@ -39,7 +43,47 @@ public partial class MainWindow : Window
         SelectEncoder(_loadedSettings.Encoder);
         SelectTheme(_loadedSettings.Theme);
         ApplyTheme(_loadedSettings.Theme);
-        Closing += (_, _) => SaveSettings();
+        MoveSourcesBox.IsChecked = _loadedSettings.ShouldMoveSourcesToOriginals;
+        Closing += MainWindow_Closing;
+        SourceInitialized += (_, _) => UpdateTitleBarTheme(_titleBarIsLight);
+        StateChanged += (_, _) => MaximizeButton.Content = WindowState == WindowState.Maximized ? "\uE923" : "\uE922";
+    }
+
+    private void Minimize_Click(object sender, RoutedEventArgs e) => WindowState = WindowState.Minimized;
+
+    private void MaximizeRestore_Click(object sender, RoutedEventArgs e)
+        => WindowState = WindowState == WindowState.Maximized ? WindowState.Normal : WindowState.Maximized;
+
+    private void CloseWindowButton_Click(object sender, RoutedEventArgs e) => Close();
+
+    private void MainWindow_Closing(object? sender, System.ComponentModel.CancelEventArgs e)
+    {
+        if (_exitConfirmed) return;
+        e.Cancel = true;
+        ExitConfirmOverlay.Visibility = Visibility.Visible;
+    }
+
+    private void CancelExit_Click(object sender, RoutedEventArgs e) => ExitConfirmOverlay.Visibility = Visibility.Collapsed;
+
+    private void ConfirmExit_Click(object sender, RoutedEventArgs e)
+    {
+        _exitConfirmed = true;
+        SaveSettings();
+        Close();
+    }
+
+    private void InputList_DragEnter(object sender, DragEventArgs e)
+    {
+        e.Effects = e.Data.GetDataPresent(DataFormats.FileDrop) ? DragDropEffects.Copy : DragDropEffects.None;
+        e.Handled = true;
+    }
+
+    private void InputList_Drop(object sender, DragEventArgs e)
+    {
+        if (!e.Data.GetDataPresent(DataFormats.FileDrop)) return;
+        string[] files = (string[])e.Data.GetData(DataFormats.FileDrop)!;
+        foreach (string file in files.Where(f => string.Equals(Path.GetExtension(f), ".avi", StringComparison.OrdinalIgnoreCase)).OrderBy(NaturalKey))
+            if (!_inputs.Contains(file, StringComparer.OrdinalIgnoreCase)) _inputs.Add(file);
     }
 
     private void AddInputs_Click(object sender, RoutedEventArgs e)
@@ -100,7 +144,8 @@ public partial class MainWindow : Window
             LogBox.Clear();
             _renderCancellation = new CancellationTokenSource();
             Progress<RenderProgress> progress = new(UpdateProgress);
-            await new RenderPipeline().RenderAsync(settings, progress, AppendLog, _renderCancellation.Token);
+            IReadOnlyList<string> resolvedInputs = await new RenderPipeline().RenderAsync(settings, progress, AppendLog, _renderCancellation.Token);
+            ReplaceInputs(resolvedInputs);
             _lastRenderedFile = Path.Combine(settings.OutputDirectory, settings.OutputName + "_final.mp4");
             OpenOutputButton.IsEnabled = true;
             PreviewRenderedButton.IsEnabled = File.Exists(_lastRenderedFile);
@@ -138,7 +183,15 @@ public partial class MainWindow : Window
         EncoderMode encoder = Enum.Parse<EncoderMode>(((ComboBoxItem)EncoderBox.SelectedItem).Tag!.ToString()!);
         return new(_inputs.ToList(), EndCardBox.Text.Trim(), OutputFolderBox.Text.Trim(), OutputNameBox.Text.Trim(),
             FfmpegPathBox.Text.Trim(), FfprobePathBox.Text.Trim(),
-            encoder, Number(TrimBox.Text, "trim start"), Number(FadeBox.Text, "fade"), Number(HoldBox.Text, "end-card hold"), interval);
+            encoder, Number(TrimBox.Text, "trim start"), Number(FadeBox.Text, "fade"), Number(HoldBox.Text, "end-card hold"), interval,
+            MoveSourcesBox.IsChecked == true);
+    }
+
+    private void ReplaceInputs(IReadOnlyList<string> paths)
+    {
+        _inputs.Clear();
+        foreach (string path in paths)
+            _inputs.Add(path);
     }
 
     private void Cancel_Click(object sender, RoutedEventArgs e)
@@ -242,7 +295,8 @@ public partial class MainWindow : Window
             TrimBox.Text.Trim(),
             FadeBox.Text.Trim(),
             HoldBox.Text.Trim(),
-            IntervalBox.Text.Trim()));
+            IntervalBox.Text.Trim(),
+            MoveSourcesBox.IsChecked == true));
     }
 
     private void OpenPreview(string mediaPath)
@@ -332,10 +386,40 @@ public partial class MainWindow : Window
         SetBrush("PrimaryTextBrush", light ? "#FFFFFF" : "#07111D");
         SetBrush("SelectionBrush", light ? "#BEE4FF" : "#295C87");
         SetBrush("SelectionTextBrush", light ? "#122033" : "#FFFFFF");
+
+        _titleBarIsLight = light;
+        UpdateTitleBarTheme(light);
     }
 
     private void SetBrush(string key, string color)
     {
         Application.Current.Resources[key] = new SolidColorBrush((Color)ColorConverter.ConvertFromString(color));
     }
+
+    private void UpdateTitleBarTheme(bool light)
+    {
+        IntPtr hwnd = new WindowInteropHelper(this).Handle;
+        if (hwnd == IntPtr.Zero) return;
+
+        int useImmersiveDarkMode = light ? 0 : 1;
+        DwmSetWindowAttribute(hwnd, DWMWA_USE_IMMERSIVE_DARK_MODE, ref useImmersiveDarkMode, sizeof(int));
+
+        int captionColor = ToColorRef(light ? "#F4F7FB" : "#0E1525");
+        int textColor = ToColorRef(light ? "#122033" : "#F5F7FB");
+        DwmSetWindowAttribute(hwnd, DWMWA_CAPTION_COLOR, ref captionColor, sizeof(int));
+        DwmSetWindowAttribute(hwnd, DWMWA_TEXT_COLOR, ref textColor, sizeof(int));
+    }
+
+    private static int ToColorRef(string hexColor)
+    {
+        Color color = (Color)ColorConverter.ConvertFromString(hexColor);
+        return color.R | (color.G << 8) | (color.B << 16);
+    }
+
+    private const int DWMWA_USE_IMMERSIVE_DARK_MODE = 20;
+    private const int DWMWA_CAPTION_COLOR = 35;
+    private const int DWMWA_TEXT_COLOR = 36;
+
+    [DllImport("dwmapi.dll", PreserveSig = true)]
+    private static extern int DwmSetWindowAttribute(IntPtr hwnd, int attribute, ref int value, int size);
 }
diff --git a/Models/AppSettings.cs b/Models/AppSettings.cs
index 20b2c37..0cdb574 100644
--- a/Models/AppSettings.cs
+++ b/Models/AppSettings.cs
@@ -11,8 +11,11 @@ public sealed record AppSettings(
     string TrimStart,
     string FadeSeconds,
     string EndCardHoldSeconds,
-    string ThumbnailInterval)
+    string ThumbnailInterval,
+    bool? MoveSourcesToOriginals)
 {
+    public bool ShouldMoveSourcesToOriginals => MoveSourcesToOriginals != false;
+
     public static AppSettings Default(string outputFolder) => new(
         outputFolder,
         "",
@@ -24,7 +27,8 @@ public sealed record AppSettings(
         "4.414",
         "3",
         "4",
-        "10");
+        "10",
+        true);
 
     public AppSettings Normalize(string fallbackOutputFolder) => new(
         string.IsNullOrWhiteSpace(OutputFolder) ? fallbackOutputFolder : OutputFolder,
@@ -37,5 +41,6 @@ public sealed record AppSettings(
         string.IsNullOrWhiteSpace(TrimStart) ? "4.414" : TrimStart,
         string.IsNullOrWhiteSpace(FadeSeconds) ? "3" : FadeSeconds,
         string.IsNullOrWhiteSpace(EndCardHoldSeconds) ? "4" : EndCardHoldSeconds,
-        string.IsNullOrWhiteSpace(ThumbnailInterval) ? "10" : ThumbnailInterval);
+        string.IsNullOrWhiteSpace(ThumbnailInterval) ? "10" : ThumbnailInterval,
+        MoveSourcesToOriginals ?? true);
 }
diff --git a/Models/RenderSettings.cs b/Models/RenderSettings.cs
index 3ffd2f6..3e42143 100644
--- a/Models/RenderSettings.cs
+++ b/Models/RenderSettings.cs
@@ -19,6 +19,7 @@ public sealed record RenderSettings(
     double FadeSeconds,
     double EndCardHoldSeconds,
     int ThumbnailInterval,
+    bool MoveSourcesToOriginals = true,
     int Width = 3840,
     int Height = 2160,
     int FramesPerSecond = 50,
diff --git a/README.md b/README.md
index b89adac..28867ae 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,7 @@ The repository currently contains two desktop frontends that share the same rend
 - FFmpeg log output
 - source video preview and final render preview
 - dark and light themes
+- optional move of source recordings into `originals` in the output folder
 - optional custom `ffmpeg.exe` / `ffprobe.exe` paths
 - automatic FFmpeg detection from `PATH`
 - single-file WinUI publish for easier distribution
@@ -167,6 +168,7 @@ This includes values such as:
 - theme
 - encoder selection
 - timing settings
+- whether source videos are moved into `originals` after a successful render
 
 ## Notes for Distribution
 
diff --git a/Services/RenderPipeline.cs b/Services/RenderPipeline.cs
index e4bb9ee..87eaaa8 100644
--- a/Services/RenderPipeline.cs
+++ b/Services/RenderPipeline.cs
@@ -15,7 +15,7 @@ public sealed class RenderPipeline
         _probe = new MediaProbe(_runner, null);
     }
 
-    public async Task RenderAsync(
+    public async Task<IReadOnlyList<string>> RenderAsync(
         RenderSettings settings,
         IProgress<RenderProgress> progress,
         Action<string> log,
@@ -105,7 +105,16 @@ public sealed class RenderPipeline
             finalArgs.AddRange(EncoderArguments(encoder));
             finalArgs.AddRange(["-c:a", "aac", "-b:a", "384k", "-ar", "48000", "-movflags", "+faststart", final]);
             await RunStageAsync(tools.Ffmpeg, finalArgs, log, progress, "Final render", 60, 99, finalDuration, settings.FramesPerSecond, token);
+
+            IReadOnlyList<string> inputPaths = settings.InputFiles;
+            if (settings.MoveSourcesToOriginals)
+            {
+                progress.Report(new(99.5, "Moving sources", "Moving original recordings to originals"));
+                inputPaths = MoveSourceVideos(settings.InputFiles, settings.OutputDirectory, log);
+            }
+
             progress.Report(new(100, "Complete", final));
+            return inputPaths;
         }
         finally
         {
@@ -285,6 +294,70 @@ public sealed class RenderPipeline
         return fallbackPath;
     }
 
+    internal static IReadOnlyList<string> MoveSourceVideos(
+        IReadOnlyList<string> sources,
+        string outputDirectory,
+        Action<string> log)
+    {
+        string originalsDir = Path.Combine(outputDirectory, "originals");
+        Directory.CreateDirectory(originalsDir);
+        List<string> resolved = new(sources.Count);
+        HashSet<string> claimed = new(StringComparer.OrdinalIgnoreCase);
+
+        foreach (string source in sources)
+        {
+            if (!File.Exists(source))
+            {
+                log($"WARNING: Source file no longer exists, skipped move: {source}");
+                resolved.Add(source);
+                continue;
+            }
+
+            string sourceFull = Path.GetFullPath(source);
+            string preferred = Path.GetFullPath(Path.Combine(originalsDir, Path.GetFileName(source)));
+            if (string.Equals(sourceFull, preferred, StringComparison.OrdinalIgnoreCase))
+            {
+                claimed.Add(preferred);
+                resolved.Add(preferred);
+                continue;
+            }
+
+            string dest = UniqueDestination(preferred, claimed);
+
+            try
+            {
+                File.Move(source, dest);
+                claimed.Add(dest);
+                log($"Moved source to {dest}");
+                resolved.Add(dest);
+            }
+            catch (Exception exception)
+            {
+                log($"WARNING: Could not move source '{source}' to originals: {exception.Message}");
+                resolved.Add(source);
+            }
+        }
+
+        return resolved;
+    }
+
+    private static string UniqueDestination(string dest, HashSet<string> claimed)
+    {
+        string full = Path.GetFullPath(dest);
+        if (!File.Exists(full) && !claimed.Contains(full))
+            return full;
+
+        string directory = Path.GetDirectoryName(full)!;
+        string name = Path.GetFileNameWithoutExtension(full);
+        string extension = Path.GetExtension(full);
+        for (int index = 2; ; index++)
+        {
+            string candidate = Path.Combine(directory, $"{name}_{index}{extension}");
+            if (!File.Exists(candidate) && !claimed.Contains(candidate))
+                return candidate;
+        }
+    }
+
     private static void Validate(RenderSettings s)
     {
         if (s.InputFiles.Count == 0) throw new ArgumentException("Select at least one AVI input file.");