improve ignored-updates dialog sizing and theming

src/UniGetUI.Avalonia/Views/DialogPages/ManageIgnoredUpdatesWindow.axaml

@@ -3,36 +3,16 @@
     xmlns:automation="clr-namespace:Avalonia.Automation;assembly=Avalonia.Controls"
         xmlns:vm="using:UniGetUI.Avalonia.ViewModels"
         xmlns:controls="using:UniGetUI.Avalonia.Views.Controls"
-        xmlns:chrome="using:Avalonia.Controls.Chrome"
         xmlns:t="using:UniGetUI.Avalonia.MarkupExtensions"
         x:Class="UniGetUI.Avalonia.Views.ManageIgnoredUpdatesWindow"
         x:DataType="vm:ManageIgnoredUpdatesViewModel"
-        Width="1100" MinWidth="520"
+        Width="850" MinWidth="520"
         Height="500" MinHeight="280"
         CanResize="True"
         ShowInTaskbar="False"
-        Background="{DynamicResource IgnoredDialogBackground}"
+        Background="{DynamicResource AppDialogBackground}"
         WindowStartupLocation="CenterOwner"
-        Title="">
-
-    <!-- Solid surfaces defined locally so the app-wide Mica overrides (which make most
-         dialog brushes translucent) can't bleed the desktop through this window. -->
-    <Window.Resources>
-        <ResourceDictionary>
-            <ResourceDictionary.ThemeDictionaries>
-                <ResourceDictionary x:Key="Light">
-                    <SolidColorBrush x:Key="IgnoredDialogBackground" Color="#ECECEC"/>
-                    <SolidColorBrush x:Key="IgnoredListBackground"   Color="#F9F9F9"/>
-                    <SolidColorBrush x:Key="IgnoredRowHover"         Color="#14000000"/>
-                </ResourceDictionary>
-                <ResourceDictionary x:Key="Dark">
-                    <SolidColorBrush x:Key="IgnoredDialogBackground" Color="#2C2C2C"/>
-                    <SolidColorBrush x:Key="IgnoredListBackground"   Color="#1F1F1F"/>
-                    <SolidColorBrush x:Key="IgnoredRowHover"         Color="#18FFFFFF"/>
-                </ResourceDictionary>
-            </ResourceDictionary.ThemeDictionaries>
-        </ResourceDictionary>
-    </Window.Resources>
+        Title="{Binding Title}">
 
     <Window.Styles>
         <!-- WinUI-style row hover highlight. The base Background must be set via a style
@@ -41,29 +21,16 @@
             <Setter Property="Background" Value="Transparent"/>
         </Style>
         <Style Selector="Border.row:pointerover">
-            <Setter Property="Background" Value="{DynamicResource IgnoredRowHover}"/>
-        </Style>
-        <!-- Avalonia 12's drawn window decorations add a full-screen caption button; hide it
-             so only minimize/maximize/close remain. -->
-        <Style Selector=":is(Control)[(chrome|WindowDecorationProperties.ElementRole)=FullScreenButton]">
-            <Setter Property="IsVisible" Value="False"/>
+            <Setter Property="Background" Value="{DynamicResource SubtleFillColorSecondaryBrush}"/>
         </Style>
     </Window.Styles>
 
-    <Grid RowDefinitions="Auto,Auto,*"
-          Margin="16,36,16,16"
+    <Grid RowDefinitions="Auto,*"
+          Margin="16"
           RowSpacing="8">
 
-        <!-- ── Title ── -->
-        <TextBlock Grid.Row="0"
-                   Text="{Binding Title}"
-                   FontSize="20"
-                   FontWeight="SemiBold"
-                   Margin="0,0,0,4"
-                   automation:AutomationProperties.HeadingLevel="1"/>
-
-        <!-- ── Header: description + Reset list button ── -->
-        <Grid Grid.Row="1" ColumnDefinitions="*,Auto" ColumnSpacing="8">
+        <!-- ── Header: description + Reset list button (title is carried by the window caption) ── -->
+        <Grid Grid.Row="0" ColumnDefinitions="*,Auto" ColumnSpacing="8">
 
             <TextBlock Text="{Binding Description}"
                        TextWrapping="Wrap"
@@ -111,8 +78,10 @@
         </Grid>
 
         <!-- ── Package list (mirrors the WinUI ItemsView: flat rows, no header) ── -->
-        <Border Grid.Row="2" Margin="0,4,0,0" CornerRadius="6"
-                Background="{DynamicResource IgnoredListBackground}">
+        <Border Grid.Row="1" Margin="0,4,0,0" CornerRadius="8"
+                BorderThickness="1"
+                BorderBrush="{DynamicResource AppBorderBrush}"
+                Background="{DynamicResource AppDialogPanelBackground}">
           <Panel>
 
             <!-- Empty state -->

src/UniGetUI.Avalonia/Views/DialogPages/ManageIgnoredUpdatesWindow.axaml.cs

@@ -2,27 +2,65 @@
 using Avalonia.Interactivity;
 using Avalonia.Threading;
 using UniGetUI.Avalonia.ViewModels;
+using UniGetUI.Core.Logging;
+using UniGetUI.Core.SettingsEngine;
 
 namespace UniGetUI.Avalonia.Views;
 
 public partial class ManageIgnoredUpdatesWindow : Window
 {
-    public ManageIgnoredUpdatesWindow()
+    public ManageIgnoredUpdatesWindow(Window? owner = null)
     {
         var vm = new ManageIgnoredUpdatesViewModel();
         DataContext = vm;
         InitializeComponent();
+        UniGetUI.Avalonia.Infrastructure.MicaWindowHelper.Apply(this);
 
-        // Drop the OS title-bar strip (its background clashed with the dialog) but keep
-        // the system min/max/close buttons floating over the extended client area. Default
-        // WindowDecorations (Full) keeps the system buttons; extending the client area
-        // merges the title-bar region into the content.
-        ExtendClientAreaToDecorationsHint = true;
-        ExtendClientAreaTitleBarHeightHint = -1;
+        // Set the size before the window opens so CenterOwner positions it correctly.
+        ApplyInitialSize(owner);
 
         vm.CloseRequested += (_, _) => Close();
     }
 
+    // Restore the user's last size, falling back to the XAML default, and never open larger
+    // than the owner window (recovers the adaptive sizing of the pre-Avalonia overlay).
+    private void ApplyInitialSize(Window? owner)
+    {
+        double width = Width;
+        double height = Height;
+
+        string saved = Settings.GetValue(Settings.K.IgnoredUpdatesWindowSize);
+        if (!string.IsNullOrEmpty(saved))
+        {
+            string[] parts = saved.Split(',');
+            if (parts.Length == 2 && int.TryParse(parts[0], out int w) && int.TryParse(parts[1], out int h))
+            {
+                width = w;
+                height = h;
+            }
+        }
+
+        if (owner is not null)
+        {
+            width = Math.Min(width, owner.Width - 40);
+            height = Math.Min(height, owner.Height - 40);
+        }
+
+        Width = Math.Max(MinWidth, width);
+        Height = Math.Max(MinHeight, height);
+    }
+
+    protected override void OnClosing(WindowClosingEventArgs e)
+    {
+        // Persist only the normal (non-maximized) size so the dialog reopens as the user left it.
+        if (WindowState == WindowState.Normal)
+        {
+            try { Settings.SetValue(Settings.K.IgnoredUpdatesWindowSize, $"{(int)Width},{(int)Height}"); }
+            catch (Exception ex) { Logger.Error(ex); }
+        }
+        base.OnClosing(e);
+    }
+
     protected override void OnOpened(EventArgs e)
     {
         base.OnOpened(e);

src/UniGetUI.Avalonia/Views/MainWindow.axaml.cs

@@ -452,9 +452,24 @@ private void SetupTitleBarFocusOpacity()
 
             // Match WinUI's inactive Mica appearance without invoking the permanent, global
             // NotifyMicaUnavailable() fallback used when composition actually fails (#5111).
-            InactiveMicaFallback.Opacity = MicaWindowHelper.IsMicaEnabled() && !active ? 1.0 : 0.0;
+            // A partial (not full) overlay so the inactive window still keeps some of the Mica
+            // tint instead of flattening to solid grey. Skip it while a modal dialog is open: the
+            // window deactivates but shouldn't grey out behind its own dialog. Modeless owned
+            // windows (operation output/failure) don't count — the main window should still grey
+            // when the user switches to another application.
+            InactiveMicaFallback.Opacity =
+                MicaWindowHelper.IsMicaEnabled() && !active && !HasOpenModalDialog() ? 0.4 : 0.0;
         });
 
+    // True when a window opened modally (ShowDialog) over this one is currently open.
+    private bool HasOpenModalDialog()
+    {
+        foreach (var owned in OwnedWindows)
+            if (owned.IsDialog)
+                return true;
+        return false;
+    }
+
     private void SetupTitleBar()
     {
         if (OperatingSystem.IsMacOS())

src/UniGetUI.Avalonia/Views/SoftwarePages/AbstractPackagesPage.axaml.cs

@@ -49,7 +49,7 @@
         ViewModel.ManageIgnoredRequested += async () =>
         {
             if (GetMainWindow() is { } win)
-                await new ManageIgnoredUpdatesWindow().ShowDialog(win);
+                await new ManageIgnoredUpdatesWindow(win).ShowDialog(win);
         };
 
         // "New version" sort option is only relevant on the updates page
@@ -644,7 +644,7 @@
 
         // Guard against spreadsheet formula injection (CWE-1236): package metadata is
         // external, and a value starting with one of these executes as a formula in Excel/Sheets.
         if (field.Length > 0 && "=+-@\t\r".IndexOf(field[0]) >= 0)
             field = "'" + field;
 
         if (field.IndexOfAny(['"', ',', '\n', '\r']) >= 0)

src/UniGetUI.Core.Settings/SettingsEngine_Names.cs

@@ -59,6 +59,7 @@ public enum K
         OperationHistory,
         StartupPage,
         WindowGeometry,
+        IgnoredUpdatesWindowSize,
         ChangeBackupFileName,
         CurrentSessionToken,
         IgnoredPackageUpdates,
@@ -178,6 +179,7 @@ public static string ResolveKey(K key)
             K.OperationHistory => "OperationHistory",
             K.StartupPage => "StartupPage",
             K.WindowGeometry => "WindowGeometry",
+            K.IgnoredUpdatesWindowSize => "IgnoredUpdatesWindowSize",
             K.ChangeBackupFileName => "ChangeBackupFileName",
             K.CurrentSessionToken => "CurrentSessionToken",
             K.IgnoredPackageUpdates => "IgnoredPackageUpdates",