diff --git a/AmiReel.WinUI/AmiReel.WinUI.csproj b/AmiReel.WinUI/AmiReel.WinUI.csproj
index 972a551..509b078 100644
--- a/AmiReel.WinUI/AmiReel.WinUI.csproj
+++ b/AmiReel.WinUI/AmiReel.WinUI.csproj
@@ -4,7 +4,8 @@
     <TargetFramework>net10.0-windows10.0.26100.0</TargetFramework>
     <TargetPlatformMinVersion>10.0.17763.0</TargetPlatformMinVersion>
     <RootNamespace>AmiReel_WinUI</RootNamespace>
-    <AssemblyName>AmiReel.WinUI</AssemblyName>
+    <AssemblyName>AmiReel</AssemblyName>
+    <ApplicationIcon>..\assets\AmiReel.ico</ApplicationIcon>
     <ApplicationManifest>app.manifest</ApplicationManifest>
     <Platforms>x86;x64;ARM64</Platforms>
     <RuntimeIdentifier Condition="'$(RuntimeIdentifier)' == ''">win-$([System.Runtime.InteropServices.RuntimeInformation]::ProcessArchitecture.ToString().ToLowerInvariant())</RuntimeIdentifier>
@@ -12,6 +13,8 @@
     <UseWinUI>true</UseWinUI>
     <WinUISDKReferences>false</WinUISDKReferences>
     <EnableMsixTooling>true</EnableMsixTooling>
+    <WindowsPackageType>None</WindowsPackageType>
+    <WindowsAppSDKSelfContained>true</WindowsAppSDKSelfContained>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
@@ -79,6 +82,7 @@
     <PublishReadyToRun Condition="'$(Configuration)' == 'Debug'">False</PublishReadyToRun>
     <PublishReadyToRun Condition="'$(Configuration)' != 'Debug'">True</PublishReadyToRun>
     <PublishTrimmed Condition="'$(Configuration)' == 'Debug'">False</PublishTrimmed>
-    <PublishTrimmed Condition="'$(Configuration)' != 'Debug'">True</PublishTrimmed>
+    <PublishTrimmed Condition="'$(Configuration)' != 'Debug'">False</PublishTrimmed>
+    <IncludeAllContentForSelfExtract Condition="'$(Configuration)' != 'Debug'">True</IncludeAllContentForSelfExtract>
   </PropertyGroup>
 </Project>
diff --git a/AmiReel.WinUI/App.xaml b/AmiReel.WinUI/App.xaml
index a294467..dbae222 100644
--- a/AmiReel.WinUI/App.xaml
+++ b/AmiReel.WinUI/App.xaml
@@ -8,9 +8,97 @@
         <ResourceDictionary>
             <ResourceDictionary.MergedDictionaries>
                 <XamlControlsResources xmlns="using:Microsoft.UI.Xaml.Controls" />
-                <!-- Other merged dictionaries here -->
             </ResourceDictionary.MergedDictionaries>
-            <!-- Other app resources here -->
+            <ResourceDictionary.ThemeDictionaries>
+                <ResourceDictionary x:Key="Dark">
+                    <SolidColorBrush x:Key="PageBrush" Color="#0E1525"/>
+                    <SolidColorBrush x:Key="PanelBrush" Color="#162033"/>
+                    <SolidColorBrush x:Key="PanelAltBrush" Color="#1A2740"/>
+                    <SolidColorBrush x:Key="FieldBrush" Color="#1D2940"/>
+                    <SolidColorBrush x:Key="BorderBrush" Color="#2B3A58"/>
+                    <SolidColorBrush x:Key="AccentBrush" Color="#4AB8FF"/>
+                    <SolidColorBrush x:Key="AccentSoftBrush" Color="#13324F"/>
+                    <SolidColorBrush x:Key="TextBrush" Color="#F5F7FB"/>
+                    <SolidColorBrush x:Key="MutedBrush" Color="#9FB1CC"/>
+                    <SolidColorBrush x:Key="ButtonBrush" Color="#243554"/>
+                    <SolidColorBrush x:Key="ButtonHoverBrush" Color="#2E446C"/>
+                    <SolidColorBrush x:Key="PrimaryTextBrush" Color="#07111D"/>
+                </ResourceDictionary>
+                <ResourceDictionary x:Key="Light">
+                    <SolidColorBrush x:Key="PageBrush" Color="#F4F7FB"/>
+                    <SolidColorBrush x:Key="PanelBrush" Color="#FFFFFF"/>
+                    <SolidColorBrush x:Key="PanelAltBrush" Color="#EEF4FB"/>
+                    <SolidColorBrush x:Key="FieldBrush" Color="#F7FAFD"/>
+                    <SolidColorBrush x:Key="BorderBrush" Color="#C7D3E3"/>
+                    <SolidColorBrush x:Key="AccentBrush" Color="#0E9AEF"/>
+                    <SolidColorBrush x:Key="AccentSoftBrush" Color="#D6EEFF"/>
+                    <SolidColorBrush x:Key="TextBrush" Color="#122033"/>
+                    <SolidColorBrush x:Key="MutedBrush" Color="#5F7390"/>
+                    <SolidColorBrush x:Key="ButtonBrush" Color="#E5EDF7"/>
+                    <SolidColorBrush x:Key="ButtonHoverBrush" Color="#D7E4F4"/>
+                    <SolidColorBrush x:Key="PrimaryTextBrush" Color="#FFFFFF"/>
+                </ResourceDictionary>
+            </ResourceDictionary.ThemeDictionaries>
+
+            <Style TargetType="Page">
+                <Setter Property="Background" Value="{ThemeResource PageBrush}" />
+            </Style>
+
+            <Style x:Key="CardBorderStyle" TargetType="Border">
+                <Setter Property="Background" Value="{ThemeResource PanelBrush}" />
+                <Setter Property="BorderBrush" Value="{ThemeResource BorderBrush}" />
+                <Setter Property="BorderThickness" Value="1" />
+                <Setter Property="CornerRadius" Value="16" />
+            </Style>
+
+            <Style x:Key="SectionTitleStyle" TargetType="TextBlock">
+                <Setter Property="Foreground" Value="{ThemeResource TextBrush}" />
+                <Setter Property="FontSize" Value="24" />
+                <Setter Property="FontWeight" Value="SemiBold" />
+            </Style>
+
+            <Style x:Key="MutedTextStyle" TargetType="TextBlock">
+                <Setter Property="Foreground" Value="{ThemeResource MutedBrush}" />
+            </Style>
+
+            <Style TargetType="Button">
+                <Setter Property="Background" Value="{ThemeResource ButtonBrush}" />
+                <Setter Property="Foreground" Value="{ThemeResource TextBrush}" />
+                <Setter Property="BorderBrush" Value="{ThemeResource BorderBrush}" />
+            </Style>
+
+            <Style x:Key="PrimaryButtonStyle" TargetType="Button">
+                <Setter Property="Background" Value="{ThemeResource AccentBrush}" />
+                <Setter Property="Foreground" Value="{ThemeResource PrimaryTextBrush}" />
+                <Setter Property="BorderBrush" Value="{ThemeResource AccentBrush}" />
+            </Style>
+
+            <Style TargetType="TextBox">
+                <Setter Property="Background" Value="{ThemeResource FieldBrush}" />
+                <Setter Property="Foreground" Value="{ThemeResource TextBrush}" />
+                <Setter Property="BorderBrush" Value="{ThemeResource BorderBrush}" />
+            </Style>
+
+            <Style TargetType="ComboBox">
+                <Setter Property="Background" Value="{ThemeResource FieldBrush}" />
+                <Setter Property="Foreground" Value="{ThemeResource TextBrush}" />
+                <Setter Property="BorderBrush" Value="{ThemeResource BorderBrush}" />
+            </Style>
+
+            <Style TargetType="ProgressBar">
+                <Setter Property="Foreground" Value="{ThemeResource AccentBrush}" />
+                <Setter Property="Background" Value="{ThemeResource FieldBrush}" />
+            </Style>
+
+            <Style TargetType="ListView">
+                <Setter Property="Background" Value="{ThemeResource FieldBrush}" />
+                <Setter Property="BorderBrush" Value="{ThemeResource BorderBrush}" />
+                <Setter Property="Foreground" Value="{ThemeResource TextBrush}" />
+            </Style>
+
+            <Style TargetType="TextBlock">
+                <Setter Property="Foreground" Value="{ThemeResource TextBrush}" />
+            </Style>
         </ResourceDictionary>
     </Application.Resources>
 </Application>
diff --git a/AmiReel.WinUI/MainPage.xaml b/AmiReel.WinUI/MainPage.xaml
index 34eddda..58f4fa9 100644
--- a/AmiReel.WinUI/MainPage.xaml
+++ b/AmiReel.WinUI/MainPage.xaml
@@ -7,33 +7,43 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     mc:Ignorable="d">
 
-    <Grid x:Name="RootGrid" Padding="20" RowSpacing="16" Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
+    <Grid x:Name="RootGrid" Padding="20" RowSpacing="16" Background="{ThemeResource PageBrush}">
         <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="Auto" />
             <RowDefinition Height="*" />
             <RowDefinition Height="Auto" />
         </Grid.RowDefinitions>
-        <Grid.ColumnDefinitions>
-            <ColumnDefinition Width="1.1*" />
-            <ColumnDefinition Width="16" />
-            <ColumnDefinition Width="0.9*" />
-        </Grid.ColumnDefinitions>
 
-        <StackPanel Grid.Row="0" Grid.Column="0" Spacing="16">
-            <Border Padding="18" CornerRadius="16" Background="{ThemeResource CardBackgroundFillColorDefaultBrush}" BorderBrush="{ThemeResource CardStrokeColorDefaultBrush}" BorderThickness="1">
+        <Grid Grid.Row="0" ColumnSpacing="16">
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="*" />
+                <ColumnDefinition Width="*" />
+            </Grid.ColumnDefinitions>
+
+            <Border Grid.Column="0" Padding="18" Style="{StaticResource CardBorderStyle}">
                 <StackPanel Spacing="12">
-                    <TextBlock Text="Source recordings" FontSize="28" FontWeight="SemiBold" />
+                    <TextBlock Text="Source recordings" Style="{StaticResource SectionTitleStyle}" />
                     <StackPanel Orientation="Horizontal" Spacing="10">
                         <Button Content="Add AVI files..." Click="AddInputs_Click" />
                         <Button Content="Clear" Click="ClearInputs_Click" />
                     </StackPanel>
-                    <ListView x:Name="InputList" Height="220" SelectionMode="None" />
+                    <ListView x:Name="InputList"
+                              Height="120"
+                              SelectionMode="Single"
+                              SelectionChanged="InputList_SelectionChanged" />
+                    <Button x:Name="PreviewSourceButton"
+                            Content="Preview selected"
+                            Click="PreviewSource_Click"
+                            HorizontalAlignment="Left"
+                            IsEnabled="False" />
                 </StackPanel>
             </Border>
 
-            <Border Padding="18" CornerRadius="16" Background="{ThemeResource CardBackgroundFillColorDefaultBrush}" BorderBrush="{ThemeResource CardStrokeColorDefaultBrush}" BorderThickness="1">
+            <Border Grid.Column="1" Padding="18" Style="{StaticResource CardBorderStyle}">
                 <StackPanel Spacing="12">
-                    <TextBlock Text="End card and output" FontSize="28" FontWeight="SemiBold" />
-                    <TextBlock Text="Leave blank to use a built-in black end card." Opacity="0.8" />
+                    <TextBlock Text="End card and output" Style="{StaticResource SectionTitleStyle}" />
+                    <TextBlock Text="Leave blank to use a built-in black end card." Style="{StaticResource MutedTextStyle}" />
 
                     <Grid ColumnSpacing="10" RowSpacing="10">
                         <Grid.ColumnDefinitions>
@@ -46,63 +56,61 @@
                             <RowDefinition Height="Auto" />
                         </Grid.RowDefinitions>
 
-                        <TextBox x:Name="EndCardBox" Grid.Row="0" Header="End card image" />
-                        <Button Grid.Row="0" Grid.Column="1" Content="Browse..." Click="BrowseEndCard_Click" VerticalAlignment="Bottom" />
+                        <TextBox x:Name="EndCardBox" Grid.Row="0" MinHeight="48" />
+                        <Button Grid.Row="0" Grid.Column="1" Content="Browse..." Click="BrowseEndCard_Click" VerticalAlignment="Stretch" MinWidth="120" />
 
-                        <TextBox x:Name="OutputFolderBox" Grid.Row="1" Header="Output folder" />
-                        <Button Grid.Row="1" Grid.Column="1" Content="Browse..." Click="BrowseOutput_Click" VerticalAlignment="Bottom" />
+                        <TextBox x:Name="OutputFolderBox" Grid.Row="1" MinHeight="48" />
+                        <Button Grid.Row="1" Grid.Column="1" Content="Browse..." Click="BrowseOutput_Click" VerticalAlignment="Stretch" MinWidth="120" />
 
-                        <TextBox x:Name="OutputNameBox" Grid.Row="2" Grid.ColumnSpan="2" Header="Output filename prefix" />
+                        <TextBox x:Name="OutputNameBox" Grid.Row="2" Grid.ColumnSpan="2" MinHeight="48" />
                     </Grid>
                 </StackPanel>
             </Border>
-        </StackPanel>
+        </Grid>
 
-        <StackPanel Grid.Row="0" Grid.Column="2" Spacing="16">
-            <Border Padding="18" CornerRadius="16" Background="{ThemeResource CardBackgroundFillColorDefaultBrush}" BorderBrush="{ThemeResource CardStrokeColorDefaultBrush}" BorderThickness="1">
-                <StackPanel Spacing="12">
-                    <TextBlock Text="Render progress" FontSize="28" FontWeight="SemiBold" />
-                    <Grid>
-                        <Grid.ColumnDefinitions>
-                            <ColumnDefinition Width="*" />
-                            <ColumnDefinition Width="Auto" />
-                        </Grid.ColumnDefinitions>
-                        <TextBlock x:Name="StageText" Text="Ready" FontSize="18" FontWeight="SemiBold" />
-                        <TextBlock x:Name="PercentText" Grid.Column="1" Text="0%" FontSize="18" FontWeight="SemiBold" />
-                    </Grid>
-                    <ProgressBar x:Name="RenderProgressBar" Minimum="0" Maximum="100" Height="10" />
-                    <TextBlock x:Name="StatusText" Text="Select the recordings and start the render. The end card is optional." TextWrapping="WrapWholeWords" Opacity="0.85" />
+        <Border Grid.Row="1" Padding="18" Style="{StaticResource CardBorderStyle}">
+            <StackPanel Spacing="12">
+                <TextBlock Text="Render progress" Style="{StaticResource SectionTitleStyle}" />
+                <StackPanel Orientation="Horizontal" Spacing="6">
+                    <TextBlock x:Name="StageText" Text="Ready" FontSize="18" FontWeight="SemiBold" />
+                    <TextBlock x:Name="PercentText" Text="0%" FontSize="18" FontWeight="SemiBold" Foreground="{ThemeResource AccentBrush}" />
                 </StackPanel>
-            </Border>
+                <ProgressBar x:Name="RenderProgressBar" Minimum="0" Maximum="100" Height="10" />
+                <TextBlock x:Name="StatusText" Text="Select the recordings and start the render. The end card is optional." TextWrapping="WrapWholeWords" Style="{StaticResource MutedTextStyle}" />
+            </StackPanel>
+        </Border>
 
-            <Border Padding="18" CornerRadius="16" Background="{ThemeResource CardBackgroundFillColorDefaultBrush}" BorderBrush="{ThemeResource CardStrokeColorDefaultBrush}" BorderThickness="1">
-                <StackPanel Spacing="12">
-                    <TextBlock Text="FFmpeg log" FontSize="28" FontWeight="SemiBold" />
-                    <TextBox x:Name="LogBox"
-                             Height="360"
-                             IsReadOnly="True"
-                             AcceptsReturn="True"
-                             TextWrapping="Wrap"
-                             ScrollViewer.VerticalScrollBarVisibility="Auto"
-                             ScrollViewer.HorizontalScrollBarVisibility="Disabled"
-                             FontFamily="Consolas"
-                             FontSize="12" />
-                </StackPanel>
-            </Border>
-        </StackPanel>
+        <Border Grid.Row="2" Padding="18" Style="{StaticResource CardBorderStyle}">
+            <StackPanel Spacing="12">
+                <TextBlock Text="FFmpeg log" Style="{StaticResource SectionTitleStyle}" />
+                <TextBox x:Name="LogBox"
+                         IsReadOnly="True"
+                         AcceptsReturn="True"
+                         TextWrapping="NoWrap"
+                         ScrollViewer.VerticalScrollBarVisibility="Auto"
+                         ScrollViewer.HorizontalScrollBarVisibility="Auto"
+                         FontFamily="Consolas"
+                         FontSize="12"
+                         VerticalAlignment="Stretch"
+                         Height="260" />
+            </StackPanel>
+        </Border>
 
-        <Grid Grid.Row="1" Grid.ColumnSpan="3">
+        <Grid Grid.Row="3">
             <Grid.ColumnDefinitions>
                 <ColumnDefinition Width="*" />
                 <ColumnDefinition Width="Auto" />
             </Grid.ColumnDefinitions>
 
-            <Button x:Name="OpenOutputButton" Grid.Column="0" Content="Open output folder" Click="OpenOutput_Click" IsEnabled="False" HorizontalAlignment="Left" />
+            <StackPanel Grid.Column="0" Orientation="Horizontal" Spacing="10">
+                <Button x:Name="OpenOutputButton" Content="Open output folder" Click="OpenOutput_Click" IsEnabled="False" HorizontalAlignment="Left" />
+                <Button x:Name="PreviewRenderedButton" Content="Preview render" Click="PreviewRendered_Click" IsEnabled="False" />
+            </StackPanel>
 
             <StackPanel Grid.Column="1" Orientation="Horizontal" Spacing="10">
                 <Button x:Name="OpenSettingsButton" Content="Settings" Click="OpenSettings_Click" />
                 <Button x:Name="CancelButton" Content="Cancel" Click="Cancel_Click" IsEnabled="False" />
-                <Button x:Name="RenderButton" Content="Start render" Click="Render_Click" />
+                <Button x:Name="RenderButton" Content="Start render" Click="Render_Click" Style="{StaticResource PrimaryButtonStyle}" />
             </StackPanel>
         </Grid>
 
@@ -113,9 +121,9 @@
                        DefaultButton="Primary">
             <ScrollViewer MaxHeight="560" VerticalScrollBarVisibility="Auto">
                 <StackPanel Spacing="16">
-                    <Border Padding="14" CornerRadius="12" Background="{ThemeResource CardBackgroundFillColorSecondaryBrush}" BorderBrush="{ThemeResource CardStrokeColorDefaultBrush}" BorderThickness="1">
+                    <Border Padding="14" Background="{ThemeResource PanelAltBrush}" BorderBrush="{ThemeResource BorderBrush}" BorderThickness="1" CornerRadius="12">
                         <StackPanel Spacing="10">
-                            <TextBlock Text="Appearance" FontSize="24" FontWeight="SemiBold" />
+                            <TextBlock Text="Appearance" Style="{StaticResource SectionTitleStyle}" />
                             <ComboBox x:Name="ThemeBox" Header="Theme" SelectionChanged="ThemeBox_SelectionChanged">
                                 <ComboBoxItem Content="Dark" Tag="Dark" />
                                 <ComboBoxItem Content="Light" Tag="Light" />
@@ -123,9 +131,9 @@
                         </StackPanel>
                     </Border>
 
-                    <Border Padding="14" CornerRadius="12" Background="{ThemeResource CardBackgroundFillColorSecondaryBrush}" BorderBrush="{ThemeResource CardStrokeColorDefaultBrush}" BorderThickness="1">
+                    <Border Padding="14" Background="{ThemeResource PanelAltBrush}" BorderBrush="{ThemeResource BorderBrush}" BorderThickness="1" CornerRadius="12">
                         <StackPanel Spacing="10">
-                            <TextBlock Text="Timing and screenshots" FontSize="24" FontWeight="SemiBold" />
+                            <TextBlock Text="Timing and screenshots" Style="{StaticResource SectionTitleStyle}" />
                             <Grid ColumnSpacing="10" RowSpacing="10">
                                 <Grid.ColumnDefinitions>
                                     <ColumnDefinition Width="*" />
@@ -143,22 +151,22 @@
                         </StackPanel>
                     </Border>
 
-                    <Border Padding="14" CornerRadius="12" Background="{ThemeResource CardBackgroundFillColorSecondaryBrush}" BorderBrush="{ThemeResource CardStrokeColorDefaultBrush}" BorderThickness="1">
+                    <Border Padding="14" Background="{ThemeResource PanelAltBrush}" BorderBrush="{ThemeResource BorderBrush}" BorderThickness="1" CornerRadius="12">
                         <StackPanel Spacing="10">
-                            <TextBlock Text="Video encoding" FontSize="24" FontWeight="SemiBold" />
+                            <TextBlock Text="Video encoding" Style="{StaticResource SectionTitleStyle}" />
                             <ComboBox x:Name="EncoderBox" Header="Encoder">
                                 <ComboBoxItem Content="Auto (NVENC → CPU fallback)" Tag="Auto" />
                                 <ComboBoxItem Content="NVIDIA NVENC" Tag="NvidiaNvenc" />
                                 <ComboBoxItem Content="CPU libx264" Tag="CpuX264" />
                             </ComboBox>
-                            <TextBlock Text="Output: 3840 × 2160 · 50 FPS" Opacity="0.8" />
+                            <TextBlock Text="Output: 3840 × 2160 · 50 FPS" Style="{StaticResource MutedTextStyle}" />
                         </StackPanel>
                     </Border>
 
-                    <Border Padding="14" CornerRadius="12" Background="{ThemeResource CardBackgroundFillColorSecondaryBrush}" BorderBrush="{ThemeResource CardStrokeColorDefaultBrush}" BorderThickness="1">
+                    <Border Padding="14" Background="{ThemeResource PanelAltBrush}" BorderBrush="{ThemeResource BorderBrush}" BorderThickness="1" CornerRadius="12">
                         <StackPanel Spacing="10">
-                            <TextBlock Text="FFmpeg tools" FontSize="24" FontWeight="SemiBold" />
-                            <TextBlock Text="Optional override. Leave blank to use embedded FFmpeg and FFprobe." TextWrapping="WrapWholeWords" Opacity="0.8" />
+                            <TextBlock Text="FFmpeg tools" Style="{StaticResource SectionTitleStyle}" />
+                            <TextBlock Text="Optional override. Leave blank to auto-detect FFmpeg and FFprobe from PATH, then use the embedded fallback." TextWrapping="WrapWholeWords" Style="{StaticResource MutedTextStyle}" />
                             <Grid ColumnSpacing="10" RowSpacing="10">
                                 <Grid.ColumnDefinitions>
                                     <ColumnDefinition Width="*" />
diff --git a/AmiReel.WinUI/MainPage.xaml.cs b/AmiReel.WinUI/MainPage.xaml.cs
index 8ef3eff..9df5d20 100644
--- a/AmiReel.WinUI/MainPage.xaml.cs
+++ b/AmiReel.WinUI/MainPage.xaml.cs
@@ -1,6 +1,7 @@
 using System.Collections.ObjectModel;
 using System.Diagnostics;
 using System.Globalization;
+using System.Text;
 using AmigaDB.VideoRenderer.Models;
 using AmigaDB.VideoRenderer.Services;
 using Microsoft.UI.Xaml;
@@ -15,7 +16,11 @@ public sealed partial class MainPage : Page
 {
     private readonly ObservableCollection<string> _inputs = [];
     private readonly AppSettings _loadedSettings;
+    private readonly StringBuilder _pendingLog = new();
+    private readonly object _logLock = new();
     private CancellationTokenSource? _renderCancellation;
+    private string? _lastRenderedFile;
+    private bool _logFlushScheduled;
 
     public MainPage()
     {
@@ -107,7 +112,9 @@ public sealed partial class MainPage : Page
             _renderCancellation = new CancellationTokenSource();
             Progress<RenderProgress> progress = new(UpdateProgress);
             await new RenderPipeline().RenderAsync(settings, progress, AppendLog, _renderCancellation.Token);
+            _lastRenderedFile = Path.Combine(settings.OutputDirectory, settings.OutputName + "_final.mp4");
             OpenOutputButton.IsEnabled = true;
+            PreviewRenderedButton.IsEnabled = File.Exists(_lastRenderedFile);
             await ShowMessageAsync("Render complete", "The AmiReel render completed successfully.");
         }
         catch (OperationCanceledException)
@@ -118,7 +125,7 @@ public sealed partial class MainPage : Page
         {
             AppendLog("ERROR: " + exception);
             StageText.Text = "Failed";
-            await ShowMessageAsync("Render failed", exception.Message);
+            await ShowMessageAsync("Render failed", UserFacingErrors.Summarize(exception));
         }
         finally
         {
@@ -141,6 +148,18 @@ public sealed partial class MainPage : Page
             Process.Start(new ProcessStartInfo("explorer.exe", OutputFolderBox.Text) { UseShellExecute = true });
     }
 
+    private void PreviewSource_Click(object sender, RoutedEventArgs e)
+    {
+        if (InputList.SelectedItem is string path)
+            OpenPreview(path);
+    }
+
+    private void PreviewRendered_Click(object sender, RoutedEventArgs e)
+    {
+        if (!string.IsNullOrWhiteSpace(_lastRenderedFile) && File.Exists(_lastRenderedFile))
+            OpenPreview(_lastRenderedFile);
+    }
+
     private void ThemeBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
     {
         if (!IsLoaded) return;
@@ -191,11 +210,39 @@ public sealed partial class MainPage : Page
         StatusText.Text = value.Message;
     }
 
+    private void OpenPreview(string mediaPath)
+    {
+        if (!File.Exists(mediaPath))
+            return;
+
+        Process.Start(new ProcessStartInfo(mediaPath) { UseShellExecute = true });
+    }
+
     private void AppendLog(string line)
     {
+        lock (_logLock)
+        {
+            _pendingLog.AppendLine(line);
+            if (_logFlushScheduled)
+                return;
+
+            _logFlushScheduled = true;
+        }
+
         _ = DispatcherQueue.TryEnqueue(() =>
         {
-            LogBox.Text += line + Environment.NewLine;
+            string chunk;
+            lock (_logLock)
+            {
+                chunk = _pendingLog.ToString();
+                _pendingLog.Clear();
+                _logFlushScheduled = false;
+            }
+
+            if (chunk.Length == 0)
+                return;
+
+            LogBox.Text += chunk;
             LogBox.Select(LogBox.Text.Length, 0);
         });
     }
@@ -207,7 +254,7 @@ public sealed partial class MainPage : Page
             EndCardBox.Text.Trim(),
             FfmpegPathBox.Text.Trim(),
             FfprobePathBox.Text.Trim(),
-            string.Empty,
+            _loadedSettings.PreviewPlayerPath,
             SelectedTheme(),
             SelectedEncoder(),
             TrimBox.Text.Trim(),
@@ -248,6 +295,11 @@ public sealed partial class MainPage : Page
         EncoderBox.SelectedIndex = 0;
     }
 
+    private void InputList_SelectionChanged(object sender, SelectionChangedEventArgs e)
+    {
+        PreviewSourceButton.IsEnabled = InputList.SelectedItem is string;
+    }
+
     private void ApplyTheme(string theme)
     {
         RequestedTheme = string.Equals(theme, "Light", StringComparison.OrdinalIgnoreCase)
diff --git a/AmiReel.WinUI/MainWindow.xaml b/AmiReel.WinUI/MainWindow.xaml
index b8f0d5d..01e9bd4 100644
--- a/AmiReel.WinUI/MainWindow.xaml
+++ b/AmiReel.WinUI/MainWindow.xaml
@@ -18,11 +18,17 @@
             <RowDefinition Height="*" />
         </Grid.RowDefinitions>
 
-        <TitleBar x:Name="AppTitleBar" Title="AmiReel">
-            <TitleBar.IconSource>
-                <ImageIconSource ImageSource="Assets/AppIcon.ico" />
-            </TitleBar.IconSource>
-        </TitleBar>
+        <Grid x:Name="AppTitleBar" Height="44" Background="Transparent">
+            <StackPanel Orientation="Horizontal" Spacing="10" VerticalAlignment="Center" Margin="14,0,0,0">
+                <Image Source="ms-appx:///Assets/Square44x44Logo.scale-200.png"
+                       Width="20"
+                       Height="20"
+                       Stretch="Uniform" />
+                <TextBlock Text="AmiReel"
+                           FontSize="16"
+                           VerticalAlignment="Center" />
+            </StackPanel>
+        </Grid>
 
         <!--
             The Frame hosts pages for your application content. Add your UI to
diff --git a/AmiReel.WinUI/MainWindow.xaml.cs b/AmiReel.WinUI/MainWindow.xaml.cs
index 9598beb..4d1fa15 100644
--- a/AmiReel.WinUI/MainWindow.xaml.cs
+++ b/AmiReel.WinUI/MainWindow.xaml.cs
@@ -1,4 +1,6 @@
 using Microsoft.UI.Xaml;
+using System;
+using System.IO;
 
 // To learn more about WinUI, the WinUI project structure,
 // and more about our project templates, see: http://aka.ms/winui-project-info.
@@ -19,7 +21,9 @@ public sealed partial class MainWindow : Window
         ExtendsContentIntoTitleBar = true;
         SetTitleBar(AppTitleBar);
 
-        AppWindow.SetIcon("Assets/AppIcon.ico");
+        string? executablePath = Environment.ProcessPath;
+        if (!string.IsNullOrWhiteSpace(executablePath) && File.Exists(executablePath))
+            AppWindow.SetIcon(executablePath);
 
         // Navigate the root frame to the main page on startup.
         RootFrame.Navigate(typeof(MainPage));
diff --git a/AmiReel.WinUI/Package.appxmanifest b/AmiReel.WinUI/Package.appxmanifest
index 55df9d3..e16b5d5 100644
--- a/AmiReel.WinUI/Package.appxmanifest
+++ b/AmiReel.WinUI/Package.appxmanifest
@@ -16,7 +16,7 @@
   <mp:PhoneIdentity PhoneProductId="F004AE73-5989-46F3-B913-E9A3A355713F" PhonePublisherId="00000000-0000-0000-0000-000000000000"/>
 
   <Properties>
-    <DisplayName>AmiReel.WinUI</DisplayName>
+    <DisplayName>AmiReel</DisplayName>
     <PublisherDisplayName>AppPublisher</PublisherDisplayName>
     <Logo>Assets\StoreLogo.png</Logo>
   </Properties>
@@ -35,8 +35,8 @@
       Executable="$targetnametoken$.exe"
       EntryPoint="$targetentrypoint$">
       <uap:VisualElements
-        DisplayName="AmiReel.WinUI"
-        Description="AmiReel.WinUI"
+        DisplayName="AmiReel"
+        Description="AmiReel"
         BackgroundColor="transparent"
         Square150x150Logo="Assets\Square150x150Logo.png"
         Square44x44Logo="Assets\Square44x44Logo.png">
diff --git a/MainWindow.xaml b/MainWindow.xaml
index 5572730..583cbf1 100644
--- a/MainWindow.xaml
+++ b/MainWindow.xaml
@@ -43,7 +43,7 @@
                             <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" MouseDoubleClick="InputList_MouseDoubleClick"/>
+                        <ListBox x:Name="InputList" Grid.Row="1" SelectionChanged="InputList_SelectionChanged"/>
                         <Button x:Name="PreviewSourceButton" Grid.Row="2" Content="Preview selected" Click="PreviewSource_Click"
                                 HorizontalAlignment="Left" Margin="0,10,0,0" IsEnabled="False"/>
                     </Grid>
diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index 3086ce2..9c76aae 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -2,6 +2,7 @@ using System.Collections.ObjectModel;
 using System.Diagnostics;
 using System.Globalization;
 using System.IO;
+using System.Text;
 using System.Windows;
 using System.Windows.Controls;
 using AmigaDB.VideoRenderer.Models;
@@ -15,8 +16,11 @@ public partial class MainWindow : Window
 {
     private readonly ObservableCollection<string> _inputs = [];
     private readonly AppSettings _loadedSettings;
+    private readonly StringBuilder _pendingLog = new();
+    private readonly object _logLock = new();
     private CancellationTokenSource? _renderCancellation;
     private string? _lastRenderedFile;
+    private bool _logFlushScheduled;
 
     public MainWindow()
     {
@@ -110,7 +114,7 @@ public partial class MainWindow : Window
         catch (Exception exception)
         {
             AppendLog("ERROR: " + exception);
-            MessageBox.Show(this, exception.Message, "Render failed", MessageBoxButton.OK, MessageBoxImage.Error);
+            MessageBox.Show(this, UserFacingErrors.Summarize(exception), "Render failed", MessageBoxButton.OK, MessageBoxImage.Error);
             StageText.Text = "Failed";
         }
         finally
@@ -165,12 +169,6 @@ public partial class MainWindow : Window
     private void InputList_SelectionChanged(object sender, SelectionChangedEventArgs e)
         => PreviewSourceButton.IsEnabled = InputList.SelectedItem is string;
 
-    private void InputList_MouseDoubleClick(object sender, System.Windows.Input.MouseButtonEventArgs e)
-    {
-        if (InputList.SelectedItem is string path)
-            OpenPreview(path);
-    }
-
     private void SetRendering(bool rendering)
     {
         RenderButton.IsEnabled = !rendering;
@@ -187,9 +185,29 @@ public partial class MainWindow : Window
 
     private void AppendLog(string line)
     {
-        Dispatcher.Invoke(() =>
+        lock (_logLock)
         {
-            LogBox.AppendText(line + Environment.NewLine);
+            _pendingLog.AppendLine(line);
+            if (_logFlushScheduled)
+                return;
+
+            _logFlushScheduled = true;
+        }
+
+        _ = Dispatcher.BeginInvoke(() =>
+        {
+            string chunk;
+            lock (_logLock)
+            {
+                chunk = _pendingLog.ToString();
+                _pendingLog.Clear();
+                _logFlushScheduled = false;
+            }
+
+            if (chunk.Length == 0)
+                return;
+
+            LogBox.AppendText(chunk);
             LogBox.ScrollToEnd();
         });
     }
diff --git a/Services/UserFacingErrors.cs b/Services/UserFacingErrors.cs
new file mode 100644
index 0000000..32f964f
--- /dev/null
+++ b/Services/UserFacingErrors.cs
@@ -0,0 +1,76 @@
+namespace AmigaDB.VideoRenderer.Services;
+
+public static class UserFacingErrors
+{
+    public static string Summarize(Exception exception)
+    {
+        string message = exception.Message.Trim();
+        if (string.IsNullOrWhiteSpace(message))
+            return "An unexpected error occurred.";
+
+        string[] lines = message
+            .Split(['\r', '\n'], StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
+
+        if (lines.Length == 0)
+            return "An unexpected error occurred.";
+
+        if (!lines[0].StartsWith("Process exited with code", StringComparison.OrdinalIgnoreCase))
+            return message;
+
+        List<string> important = [];
+        foreach (string line in lines.Skip(1))
+        {
+            if (IsNoise(line))
+                continue;
+
+            important.Add(line);
+        }
+
+        if (important.Count == 0)
+            return lines[0];
+
+        List<string> summary = [lines[0]];
+        foreach (string line in important.TakeLast(3))
+        {
+            if (!summary.Contains(line, StringComparer.Ordinal))
+                summary.Add(line);
+        }
+
+        return string.Join(Environment.NewLine, summary);
+    }
+
+    private static bool IsNoise(string line)
+    {
+        return line.StartsWith("ffmpeg version ", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("built with ", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("configuration:", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("libavutil", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("libavcodec", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("libavformat", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("libavdevice", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("libavfilter", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("libswscale", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("libswresample", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("Input #", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("Output #", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("Stream mapping:", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("Stream #", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("Metadata:", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("major_brand", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("minor_version", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("compatible_brands", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("encoder", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("Duration:", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("Press [q] to stop", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("[in#", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("[out#", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("Last message repeated", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("frame=", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("video:", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("audio:", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("subtitle:", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("other streams:", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("global headers:", StringComparison.OrdinalIgnoreCase)
+            || line.StartsWith("muxing overhead:", StringComparison.OrdinalIgnoreCase);
+    }
+}
diff --git a/publish-win-x64.ps1 b/publish-win-x64.ps1
index 4b505c0..91efb81 100644
--- a/publish-win-x64.ps1
+++ b/publish-win-x64.ps1
@@ -1,27 +1,65 @@
+[CmdletBinding()]
+param(
+    [ValidateSet('WinUI', 'Wpf')]
+    [string]$Target = 'WinUI'
+)
+
 $ErrorActionPreference = 'Stop'
 
 $projectDir = Split-Path -Parent $MyInvocation.MyCommand.Path
 $ffmpeg = Join-Path $projectDir 'ThirdParty\ffmpeg.exe'
 $ffprobe = Join-Path $projectDir 'ThirdParty\ffprobe.exe'
-$releaseExe = Join-Path $projectDir 'bin\Release\net8.0-windows\win-x64\AmiReel.exe'
-$publishDir = Join-Path $projectDir 'bin\Release\net8.0-windows\win-x64\publish'
-$publishExe = Join-Path $publishDir 'AmiReel.exe'
 
 if (-not (Test-Path $ffmpeg) -or -not (Test-Path $ffprobe)) {
     throw 'Add ffmpeg.exe and ffprobe.exe to ThirdParty before publishing.'
 }
 
+switch ($Target) {
+    'WinUI' {
+        $projectPath = Join-Path $projectDir 'AmiReel.WinUI\AmiReel.WinUI.csproj'
+        $releaseDir = Join-Path $projectDir 'AmiReel.WinUI\bin\Release\net10.0-windows10.0.26100.0\win-x64'
+        $releaseExe = Join-Path $releaseDir 'AmiReel.exe'
+        $publishDir = Join-Path $releaseDir 'publish'
+        $publishExe = Join-Path $publishDir 'AmiReel.exe'
+        $publishArguments = @(
+            'publish', $projectPath,
+            '-c', 'Release',
+            '-r', 'win-x64',
+            '--self-contained', 'true',
+            '-p:WindowsPackageType=None',
+            '-p:PublishSingleFile=true',
+            '-p:IncludeNativeLibrariesForSelfExtract=true',
+            '-p:EnableCompressionInSingleFile=true'
+        )
+    }
+    'Wpf' {
+        $projectPath = Join-Path $projectDir 'AmigaDB.VideoRenderer.csproj'
+        $releaseDir = Join-Path $projectDir 'bin\Release\net8.0-windows\win-x64'
+        $releaseExe = Join-Path $releaseDir 'AmiReel.exe'
+        $publishDir = Join-Path $releaseDir 'publish'
+        $publishExe = Join-Path $publishDir 'AmiReel.exe'
+        $publishArguments = @(
+            'publish', $projectPath,
+            '-c', 'Release',
+            '-r', 'win-x64',
+            '--self-contained', 'true',
+            '-p:PublishSingleFile=true',
+            '-p:IncludeNativeLibrariesForSelfExtract=true',
+            '-p:EnableCompressionInSingleFile=true'
+        )
+    }
+}
+
 if ((Test-Path $releaseExe) -or (Test-Path $publishExe)) {
-    $runningReleaseInstances = Get-Process AmiReel -ErrorAction SilentlyContinue |
-        Where-Object {
-            $_.Path -and (
-                [string]::Equals($_.Path, $releaseExe, [System.StringComparison]::OrdinalIgnoreCase) -or
-                [string]::Equals($_.Path, $publishExe, [System.StringComparison]::OrdinalIgnoreCase)
-            )
-        }
+    $runningReleaseInstances = Get-Process | Where-Object {
+        $_.Path -and (
+            [string]::Equals($_.Path, $releaseExe, [System.StringComparison]::OrdinalIgnoreCase) -or
+            [string]::Equals($_.Path, $publishExe, [System.StringComparison]::OrdinalIgnoreCase)
+        )
+    }
 
     if ($runningReleaseInstances) {
-        Write-Host 'Stopping running AmiReel build before publish...' -ForegroundColor Yellow
+        Write-Host "Stopping running $Target build before publish..." -ForegroundColor Yellow
         $runningReleaseInstances | Stop-Process -Force
         Start-Sleep -Milliseconds 800
     }
@@ -31,12 +69,8 @@ if (Test-Path $publishDir) {
     Remove-Item -LiteralPath $publishDir -Recurse -Force -ErrorAction SilentlyContinue
 }
 
-dotnet publish (Join-Path $projectDir 'AmigaDB.VideoRenderer.csproj') `
-    -c Release `
-    -r win-x64 `
-    --self-contained true `
-    -p:PublishSingleFile=true `
-    -p:IncludeNativeLibrariesForSelfExtract=true `
-    -p:EnableCompressionInSingleFile=true
+& dotnet @publishArguments
 
-Write-Host 'Published to bin\Release\net8.0-windows\win-x64\publish' -ForegroundColor Green
+Write-Host "Published $Target to $publishDir" -ForegroundColor Green
+Write-Host "Release folder: $publishDir" -ForegroundColor Cyan
+Write-Host "Executable: $publishExe" -ForegroundColor Cyan