More fixes

Handlers/EntryHandler.cs

@@ -241,6 +241,8 @@ public partial class EntryHandler : ViewHandler<IEntry, SkiaEntry>
         if (entry is Entry ve && ve.BackgroundColor != null)
         {
             handler.PlatformView.EntryBackgroundColor = ve.BackgroundColor;
+            // Also set base BackgroundColor so SkiaView.DrawBackground() respects transparency
+            handler.PlatformView.BackgroundColor = ve.BackgroundColor;
         }
     }
 }

Handlers/GtkWebViewHandler.cs

@@ -3,6 +3,7 @@
 
 using Microsoft.Maui.Controls;
 using Microsoft.Maui.Handlers;
+using Microsoft.Maui.Platform;
 using Microsoft.Maui.Platform.Linux.Native;
 using Microsoft.Maui.Platform.Linux.Services;
 using SkiaSharp;
@@ -52,6 +53,7 @@ public class GtkWebViewHandler : ViewHandler<IWebView, GtkWebViewProxy>
         {
             _platformWebView.NavigationStarted += OnNavigationStarted;
             _platformWebView.NavigationCompleted += OnNavigationCompleted;
+            _platformWebView.ScriptDialogRequested += OnScriptDialogRequested;
         }
         Console.WriteLine("[GtkWebViewHandler] ConnectHandler - WebView ready");
     }
@@ -62,6 +64,7 @@ public class GtkWebViewHandler : ViewHandler<IWebView, GtkWebViewProxy>
         {
             _platformWebView.NavigationStarted -= OnNavigationStarted;
             _platformWebView.NavigationCompleted -= OnNavigationCompleted;
+            _platformWebView.ScriptDialogRequested -= OnScriptDialogRequested;
             UnregisterFromHost();
             _platformWebView.Dispose();
             _platformWebView = null;
@@ -69,6 +72,35 @@ public class GtkWebViewHandler : ViewHandler<IWebView, GtkWebViewProxy>
         base.DisconnectHandler(platformView);
     }
 
+    private async void OnScriptDialogRequested(object? sender,
+        (ScriptDialogType Type, string Message, Action<bool> Callback) e)
+    {
+        Console.WriteLine($"[GtkWebViewHandler] Script dialog requested: type={e.Type}, message={e.Message}");
+
+        string title = e.Type switch
+        {
+            ScriptDialogType.Alert => "Alert",
+            ScriptDialogType.Confirm => "Confirm",
+            ScriptDialogType.Prompt => "Prompt",
+            _ => "Message"
+        };
+
+        string? acceptButton = e.Type == ScriptDialogType.Alert ? "OK" : "OK";
+        string? cancelButton = e.Type == ScriptDialogType.Alert ? null : "Cancel";
+
+        try
+        {
+            bool result = await LinuxDialogService.ShowAlertAsync(title, e.Message, acceptButton, cancelButton);
+            e.Callback(result);
+            Console.WriteLine($"[GtkWebViewHandler] Dialog result: {result}");
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine($"[GtkWebViewHandler] Error showing dialog: {ex.Message}");
+            e.Callback(false);
+        }
+    }
+
     private void OnNavigationStarted(object? sender, string uri)
     {
         Console.WriteLine($"[GtkWebViewHandler] Navigation started: {uri}");

Handlers/GtkWebViewPlatformView.cs

@@ -1,8 +1,20 @@
 using System;
 using Microsoft.Maui.Platform.Linux.Native;
+using Microsoft.Maui.Platform.Linux.Services;
 
 namespace Microsoft.Maui.Platform.Linux.Handlers;
 
+/// <summary>
+/// Type of JavaScript dialog.
+/// </summary>
+public enum ScriptDialogType
+{
+    Alert = 0,
+    Confirm = 1,
+    Prompt = 2,
+    BeforeUnloadConfirm = 3
+}
+
 /// <summary>
 /// GTK-based WebView platform view using WebKitGTK.
 /// Provides web browsing capabilities within MAUI applications.
@@ -13,7 +25,10 @@ public sealed class GtkWebViewPlatformView : IDisposable
     private bool _disposed;
     private string? _currentUri;
     private ulong _loadChangedSignalId;
+    private ulong _scriptDialogSignalId;
     private WebKitNative.LoadChangedCallback? _loadChangedCallback;
+    private WebKitNative.ScriptDialogCallback? _scriptDialogCallback;
+    private EventHandler<Microsoft.Maui.Controls.AppThemeChangedEventArgs>? _themeChangedHandler;
 
     public IntPtr Widget => _widget;
     public string? CurrentUri => _currentUri;
@@ -21,6 +36,7 @@ public sealed class GtkWebViewPlatformView : IDisposable
     public event EventHandler<string>? NavigationStarted;
     public event EventHandler<(string Url, bool Success)>? NavigationCompleted;
     public event EventHandler<string>? TitleChanged;
+    public event EventHandler<(ScriptDialogType Type, string Message, Action<bool> Callback)>? ScriptDialogRequested;
 
     public GtkWebViewPlatformView()
     {
@@ -36,9 +52,231 @@ public sealed class GtkWebViewPlatformView : IDisposable
         WebKitNative.ConfigureSettings(_widget);
         _loadChangedCallback = OnLoadChanged;
         _loadChangedSignalId = WebKitNative.ConnectLoadChanged(_widget, _loadChangedCallback);
+
+        // Connect to script-dialog signal to intercept JavaScript alerts/confirms/prompts
+        _scriptDialogCallback = OnScriptDialog;
+        _scriptDialogSignalId = WebKitNative.ConnectScriptDialog(_widget, _scriptDialogCallback);
+
+        // Set initial background color based on theme
+        UpdateBackgroundForTheme();
+
+        // Subscribe to theme changes to update background color
+        _themeChangedHandler = (sender, args) =>
+        {
+            GLibNative.IdleAdd(() =>
+            {
+                UpdateBackgroundForTheme();
+                return false;
+            });
+        };
+        if (Microsoft.Maui.Controls.Application.Current != null)
+        {
+            Microsoft.Maui.Controls.Application.Current.RequestedThemeChanged += _themeChangedHandler;
+        }
+
         Console.WriteLine("[GtkWebViewPlatformView] Created WebKitWebView widget");
     }
 
+    /// <summary>
+    /// Updates the WebView background color based on the current app theme.
+    /// </summary>
+    public void UpdateBackgroundForTheme()
+    {
+        if (_widget == IntPtr.Zero) return;
+
+        var isDark = Microsoft.Maui.Controls.Application.Current?.RequestedTheme == Microsoft.Maui.ApplicationModel.AppTheme.Dark;
+        if (isDark)
+        {
+            // Dark theme: use a dark gray background
+            WebKitNative.SetBackgroundColor(_widget, 0.12, 0.12, 0.12, 1.0); // #1E1E1E
+        }
+        else
+        {
+            // Light theme: use white background
+            WebKitNative.SetBackgroundColor(_widget, 1.0, 1.0, 1.0, 1.0);
+        }
+    }
+
+    private bool OnScriptDialog(IntPtr webView, IntPtr dialog, IntPtr userData)
+    {
+        try
+        {
+            var webkitDialogType = WebKitNative.GetScriptDialogType(dialog);
+            var dialogType = (ScriptDialogType)(int)webkitDialogType;
+            var message = WebKitNative.GetScriptDialogMessage(dialog) ?? "";
+
+            Console.WriteLine($"[GtkWebViewPlatformView] Script dialog: type={dialogType}, message={message}");
+
+            // Get the parent window for proper modal behavior
+            IntPtr parentWindow = GtkHostService.Instance.HostWindow?.Window ?? IntPtr.Zero;
+
+            // Handle prompt dialogs specially - they need a text entry
+            if (dialogType == ScriptDialogType.Prompt)
+            {
+                return HandlePromptDialog(dialog, message, parentWindow);
+            }
+
+            // Determine dialog type and buttons based on JavaScript dialog type
+            int messageType = GtkNative.GTK_MESSAGE_INFO;
+            int buttons = GtkNative.GTK_BUTTONS_OK;
+
+            switch (dialogType)
+            {
+                case ScriptDialogType.Alert:
+                    messageType = GtkNative.GTK_MESSAGE_INFO;
+                    buttons = GtkNative.GTK_BUTTONS_OK;
+                    break;
+                case ScriptDialogType.Confirm:
+                case ScriptDialogType.BeforeUnloadConfirm:
+                    messageType = GtkNative.GTK_MESSAGE_QUESTION;
+                    buttons = GtkNative.GTK_BUTTONS_OK_CANCEL;
+                    break;
+            }
+
+            // Create and show native GTK message dialog
+            IntPtr gtkDialog = GtkNative.gtk_message_dialog_new(
+                parentWindow,
+                GtkNative.GTK_DIALOG_MODAL | GtkNative.GTK_DIALOG_DESTROY_WITH_PARENT,
+                messageType,
+                buttons,
+                message,
+                IntPtr.Zero);
+
+            if (gtkDialog != IntPtr.Zero)
+            {
+                // Set dialog title based on type
+                string title = dialogType switch
+                {
+                    ScriptDialogType.Alert => "Alert",
+                    ScriptDialogType.Confirm => "Confirm",
+                    ScriptDialogType.BeforeUnloadConfirm => "Leave Page?",
+                    _ => "Message"
+                };
+                GtkNative.gtk_window_set_title(gtkDialog, title);
+
+                // Make dialog modal to parent if we have a parent
+                if (parentWindow != IntPtr.Zero)
+                {
+                    GtkNative.gtk_window_set_transient_for(gtkDialog, parentWindow);
+                    GtkNative.gtk_window_set_modal(gtkDialog, true);
+                }
+
+                // Run the dialog synchronously - this blocks until user responds
+                int response = GtkNative.gtk_dialog_run(gtkDialog);
+                Console.WriteLine($"[GtkWebViewPlatformView] Dialog response: {response}");
+
+                // Set the confirmed state for confirm dialogs
+                if (dialogType == ScriptDialogType.Confirm || dialogType == ScriptDialogType.BeforeUnloadConfirm)
+                {
+                    bool confirmed = response == GtkNative.GTK_RESPONSE_OK || response == GtkNative.GTK_RESPONSE_YES;
+                    WebKitNative.SetScriptDialogConfirmed(dialog, confirmed);
+                }
+
+                // Clean up
+                GtkNative.gtk_widget_destroy(gtkDialog);
+            }
+
+            // Return true to indicate we handled the dialog (prevents WebKitGTK's default)
+            return true;
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine($"[GtkWebViewPlatformView] Error in OnScriptDialog: {ex.Message}");
+            // Return false on error to let WebKitGTK try its default handling
+            return false;
+        }
+    }
+
+    private bool HandlePromptDialog(IntPtr webkitDialog, string message, IntPtr parentWindow)
+    {
+        try
+        {
+            // Get the default text for the prompt
+            string? defaultText = WebKitNative.GetScriptDialogPromptDefaultText(webkitDialog) ?? "";
+
+            // Create a custom dialog with OK/Cancel buttons
+            IntPtr gtkDialog = GtkNative.gtk_dialog_new_with_buttons(
+                "Prompt",
+                parentWindow,
+                GtkNative.GTK_DIALOG_MODAL | GtkNative.GTK_DIALOG_DESTROY_WITH_PARENT,
+                "_Cancel",
+                GtkNative.GTK_RESPONSE_CANCEL,
+                "_OK",
+                GtkNative.GTK_RESPONSE_OK,
+                IntPtr.Zero);
+
+            if (gtkDialog == IntPtr.Zero)
+            {
+                Console.WriteLine("[GtkWebViewPlatformView] Failed to create prompt dialog");
+                return false;
+            }
+
+            // Get the content area
+            IntPtr contentArea = GtkNative.gtk_dialog_get_content_area(gtkDialog);
+
+            // Create a vertical box for the content
+            IntPtr vbox = GtkNative.gtk_box_new(GtkNative.GTK_ORIENTATION_VERTICAL, 10);
+            GtkNative.gtk_widget_set_margin_start(vbox, 12);
+            GtkNative.gtk_widget_set_margin_end(vbox, 12);
+            GtkNative.gtk_widget_set_margin_top(vbox, 12);
+            GtkNative.gtk_widget_set_margin_bottom(vbox, 12);
+
+            // Add the message label
+            IntPtr label = GtkNative.gtk_label_new(message);
+            GtkNative.gtk_box_pack_start(vbox, label, false, false, 0);
+
+            // Add the text entry
+            IntPtr entry = GtkNative.gtk_entry_new();
+            GtkNative.gtk_entry_set_text(entry, defaultText);
+            GtkNative.gtk_box_pack_start(vbox, entry, false, false, 0);
+
+            // Add the vbox to content area
+            GtkNative.gtk_box_pack_start(contentArea, vbox, true, true, 0);
+
+            // Make dialog modal
+            if (parentWindow != IntPtr.Zero)
+            {
+                GtkNative.gtk_window_set_transient_for(gtkDialog, parentWindow);
+                GtkNative.gtk_window_set_modal(gtkDialog, true);
+            }
+
+            // Show all widgets
+            GtkNative.gtk_widget_show_all(gtkDialog);
+
+            // Run the dialog
+            int response = GtkNative.gtk_dialog_run(gtkDialog);
+            Console.WriteLine($"[GtkWebViewPlatformView] Prompt dialog response: {response}");
+
+            if (response == GtkNative.GTK_RESPONSE_OK)
+            {
+                // Get the text from the entry
+                IntPtr textPtr = GtkNative.gtk_entry_get_text(entry);
+                string? enteredText = textPtr != IntPtr.Zero
+                    ? System.Runtime.InteropServices.Marshal.PtrToStringUTF8(textPtr)
+                    : "";
+
+                Console.WriteLine($"[GtkWebViewPlatformView] Prompt text: {enteredText}");
+
+                // Set the prompt response
+                WebKitNative.SetScriptDialogPromptText(webkitDialog, enteredText ?? "");
+            }
+            else
+            {
+                // User cancelled - for prompts, not confirming means returning null
+                // WebKit handles this by not calling prompt_set_text
+            }
+
+            // Clean up
+            GtkNative.gtk_widget_destroy(gtkDialog);
+            return true;
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine($"[GtkWebViewPlatformView] Error in HandlePromptDialog: {ex.Message}");
+            return false;
+        }
+    }
+
     private void OnLoadChanged(IntPtr webView, int loadEvent, IntPtr userData)
     {
         try
@@ -153,12 +391,22 @@ public sealed class GtkWebViewPlatformView : IDisposable
         if (!_disposed)
         {
             _disposed = true;
+
+            // Unsubscribe from theme changes
+            if (_themeChangedHandler != null && Microsoft.Maui.Controls.Application.Current != null)
+            {
+                Microsoft.Maui.Controls.Application.Current.RequestedThemeChanged -= _themeChangedHandler;
+                _themeChangedHandler = null;
+            }
+
             if (_widget != IntPtr.Zero)
             {
                 WebKitNative.DisconnectLoadChanged(_widget);
+                WebKitNative.DisconnectScriptDialog(_widget);
             }
             _widget = IntPtr.Zero;
             _loadChangedCallback = null;
+            _scriptDialogCallback = null;
         }
     }
 }

Handlers/ImageButtonHandler.cs

@@ -27,6 +27,8 @@ public partial class ImageButtonHandler : ViewHandler<IImageButton, SkiaImageBut
         ["BackgroundColor"] = MapBackgroundColor,
         [nameof(IView.Width)] = MapWidth,
         [nameof(IView.Height)] = MapHeight,
+        ["VerticalOptions"] = MapVerticalOptions,
+        ["HorizontalOptions"] = MapHorizontalOptions,
     };
 
     public static CommandMapper<IImageButton, ImageButtonHandler> CommandMapper = new(ViewHandler.ViewCommandMapper)
@@ -184,6 +186,26 @@ public partial class ImageButtonHandler : ViewHandler<IImageButton, SkiaImageBut
         }
     }
 
+    public static void MapVerticalOptions(ImageButtonHandler handler, IImageButton imageButton)
+    {
+        if (handler.PlatformView is null) return;
+
+        if (imageButton is Microsoft.Maui.Controls.ImageButton imgBtn)
+        {
+            handler.PlatformView.VerticalOptions = imgBtn.VerticalOptions;
+        }
+    }
+
+    public static void MapHorizontalOptions(ImageButtonHandler handler, IImageButton imageButton)
+    {
+        if (handler.PlatformView is null) return;
+
+        if (imageButton is Microsoft.Maui.Controls.ImageButton imgBtn)
+        {
+            handler.PlatformView.HorizontalOptions = imgBtn.HorizontalOptions;
+        }
+    }
+
     // Image source loading helper
     private ImageSourceServiceResultManager _sourceLoader = null!;
 

Handlers/ShellHandler.cs

@@ -48,11 +48,13 @@ public partial class ShellHandler : ViewHandler<Shell, SkiaShell>
 
     protected override SkiaShell CreatePlatformView()
     {
+        Console.WriteLine("[ShellHandler] CreatePlatformView - creating SkiaShell");
         return new SkiaShell();
     }
 
     protected override void ConnectHandler(SkiaShell platformView)
     {
+        Console.WriteLine("[ShellHandler] ConnectHandler - connecting to SkiaShell");
         base.ConnectHandler(platformView);
         platformView.FlyoutIsPresentedChanged += OnFlyoutIsPresentedChanged;
         platformView.Navigated += OnNavigated;

Handlers/WindowHandler.cs

@@ -81,13 +81,20 @@ public partial class WindowHandler : ElementHandler<IWindow, SkiaWindow>
 
     public static void MapContent(WindowHandler handler, IWindow window)
     {
+        Console.Error.WriteLine($"[WindowHandler] MapContent - PlatformView={handler.PlatformView != null}");
         if (handler.PlatformView is null) return;
 
         var content = window.Content;
+        Console.Error.WriteLine($"[WindowHandler] MapContent - content type={content?.GetType().Name}, handler={content?.Handler?.GetType().Name}");
         if (content?.Handler?.PlatformView is SkiaView skiaContent)
         {
+            Console.Error.WriteLine($"[WindowHandler] MapContent - setting SkiaView content: {skiaContent.GetType().Name}");
             handler.PlatformView.Content = skiaContent;
         }
+        else
+        {
+            Console.Error.WriteLine($"[WindowHandler] MapContent - content has no SkiaView! Handler={content?.Handler}, PlatformView={content?.Handler?.PlatformView}");
+        }
     }
 
     public static void MapX(WindowHandler handler, IWindow window)

Hosting/LinuxViewRenderer.cs

@@ -164,18 +164,11 @@ public class LinuxViewRenderer
         page.Handler?.DisconnectHandler();
         var handler = page.ToHandler(_mauiContext);
 
+        // The handler's property mappers (e.g., ContentPageHandler.MapContent)
+        // already set up the content and child handlers - no need to re-render here.
+        // Re-rendering would disconnect the existing handler hierarchy.
         if (handler.PlatformView is SkiaView skiaPage)
         {
-            // For ContentPage, render the content
-            if (page is ContentPage contentPage && contentPage.Content != null)
-            {
-                var contentView = RenderView(contentPage.Content);
-                if (skiaPage is SkiaPage sp && contentView != null)
-                {
-                    sp.Content = contentView;
-                }
-            }
-
             return skiaPage;
         }
 

LinuxApplication.cs

@@ -110,6 +110,7 @@ public class LinuxApplication : IDisposable
 
     /// <summary>
     /// Requests a redraw of the application.
+    /// Thread-safe - will marshal to GTK thread if needed.
     /// </summary>
     public static void RequestRedraw()
     {
@@ -117,6 +118,27 @@ public class LinuxApplication : IDisposable
         if (_isRedrawing)
             return;
 
+        // Check if we're on the GTK thread
+        int currentThread = Environment.CurrentManagedThreadId;
+        if (_gtkThreadId != 0 && currentThread != _gtkThreadId)
+        {
+            // We're on a background thread - use IdleAdd to marshal to GTK thread
+            GLibNative.IdleAdd(() =>
+            {
+                RequestRedrawInternal();
+                return false; // Don't repeat
+            });
+            return;
+        }
+
+        RequestRedrawInternal();
+    }
+
+    private static void RequestRedrawInternal()
+    {
+        if (_isRedrawing)
+            return;
+
         _isRedrawing = true;
         try
         {
@@ -197,7 +219,18 @@ public class LinuxApplication : IDisposable
         Current = this;
 
         // Set up dialog service invalidation callback
-        LinuxDialogService.SetInvalidateCallback(() => _renderingEngine?.InvalidateAll());
+        // This callback will work for both GTK and X11 modes
+        LinuxDialogService.SetInvalidateCallback(() =>
+        {
+            if (_useGtk)
+            {
+                _gtkWindow?.RequestRedraw();
+            }
+            else
+            {
+                _renderingEngine?.InvalidateAll();
+            }
+        });
     }
 
     /// <summary>
@@ -265,6 +298,20 @@ public class LinuxApplication : IDisposable
                     currentProperty.SetValue(null, mauiApplication);
                 }
 
+                // Set initial theme based on system theme
+                var systemTheme = SystemThemeService.Instance.CurrentTheme;
+                Console.WriteLine($"[LinuxApplication] System theme detected at startup: {systemTheme}");
+                if (systemTheme == SystemTheme.Dark)
+                {
+                    mauiApplication.UserAppTheme = AppTheme.Dark;
+                    Console.WriteLine("[LinuxApplication] Set initial UserAppTheme to Dark based on system theme");
+                }
+                else
+                {
+                    mauiApplication.UserAppTheme = AppTheme.Light;
+                    Console.WriteLine("[LinuxApplication] Set initial UserAppTheme to Light based on system theme");
+                }
+
                 // Handle user-initiated theme changes
                 ((BindableObject)mauiApplication).PropertyChanged += (s, e) =>
                 {
@@ -272,23 +319,93 @@ public class LinuxApplication : IDisposable
                     {
                         Console.WriteLine($"[LinuxApplication] User theme changed to: {mauiApplication.UserAppTheme}");
                         LinuxViewRenderer.CurrentSkiaShell?.RefreshTheme();
+
+                        // Force re-render the entire page to pick up theme changes
+                        linuxApp.RefreshPageForThemeChange();
+
+                        // Invalidate to redraw - use correct method based on mode
+                        if (linuxApp._useGtk)
+                        {
+                            linuxApp._gtkWindow?.RequestRedraw();
+                        }
+                        else
+                        {
                             linuxApp._renderingEngine?.InvalidateAll();
                         }
+                    }
                 };
 
                 // Handle system theme changes (e.g., GNOME/KDE dark mode toggle)
                 SystemThemeService.Instance.ThemeChanged += (s, e) =>
                 {
                     Console.WriteLine($"[LinuxApplication] System theme changed to: {e.NewTheme}");
-                    // Notify MAUI framework that system theme changed
-                    // This will cause AppThemeBinding to re-evaluate
+
+                    // Update MAUI's UserAppTheme to match system theme
+                    // This will trigger the PropertyChanged handler which does the refresh
+                    var newAppTheme = e.NewTheme == SystemTheme.Dark ? AppTheme.Dark : AppTheme.Light;
+                    if (mauiApplication.UserAppTheme != newAppTheme)
+                    {
+                        Console.WriteLine($"[LinuxApplication] Setting UserAppTheme to {newAppTheme} to match system");
+                        mauiApplication.UserAppTheme = newAppTheme;
+                    }
+                    else
+                    {
+                        // If UserAppTheme didn't change (user manually set it), still refresh
                         LinuxViewRenderer.CurrentSkiaShell?.RefreshTheme();
+                        linuxApp.RefreshPageForThemeChange();
+                        if (linuxApp._useGtk)
+                        {
+                            linuxApp._gtkWindow?.RequestRedraw();
+                        }
+                        else
+                        {
                             linuxApp._renderingEngine?.InvalidateAll();
+                        }
+                    }
                 };
 
-                if (mauiApplication.MainPage != null)
+                // Get the main page - prefer CreateWindow() over deprecated MainPage
+                Page? mainPage = null;
+
+                // Try CreateWindow() first (the modern MAUI pattern)
+                try
                 {
-                    var mainPage = mauiApplication.MainPage;
+                    // CreateWindow is protected, use reflection
+                    var createWindowMethod = typeof(Application).GetMethod("CreateWindow",
+                        BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public,
+                        null, new[] { typeof(IActivationState) }, null);
+
+                    if (createWindowMethod != null)
+                    {
+                        var mauiWindow = createWindowMethod.Invoke(mauiApplication, new object?[] { null }) as Microsoft.Maui.Controls.Window;
+                        if (mauiWindow != null)
+                        {
+                            Console.WriteLine($"[LinuxApplication] Got Window from CreateWindow: {mauiWindow.GetType().Name}");
+                            mainPage = mauiWindow.Page;
+                            Console.WriteLine($"[LinuxApplication] Window.Page: {mainPage?.GetType().Name}");
+
+                            // Add to windows list
+                            var windowsField = typeof(Application).GetField("_windows",
+                                BindingFlags.NonPublic | BindingFlags.Instance);
+                            var windowsList = windowsField?.GetValue(mauiApplication) as List<Microsoft.Maui.Controls.Window>;
+                            if (windowsList != null && !windowsList.Contains(mauiWindow))
+                            {
+                                windowsList.Add(mauiWindow);
+                                mauiWindow.Parent = mauiApplication;
+                            }
+                        }
+                    }
+                }
+                catch (Exception ex)
+                {
+                    Console.WriteLine($"[LinuxApplication] CreateWindow failed: {ex.Message}");
+                }
+
+                // Fall back to deprecated MainPage if CreateWindow didn't work
+                if (mainPage == null && mauiApplication.MainPage != null)
+                {
+                    Console.WriteLine($"[LinuxApplication] Falling back to MainPage: {mauiApplication.MainPage.GetType().Name}");
+                    mainPage = mauiApplication.MainPage;
 
                     var windowsField = typeof(Application).GetField("_windows",
                         BindingFlags.NonPublic | BindingFlags.Instance);
@@ -304,7 +421,10 @@ public class LinuxApplication : IDisposable
                     {
                         windowsList[0].Page = mainPage;
                     }
+                }
 
+                if (mainPage != null)
+                {
                     var renderer = new LinuxViewRenderer(mauiContext);
                     rootView = renderer.RenderPage(mainPage);
 
@@ -547,6 +667,133 @@ public class LinuxApplication : IDisposable
         }
     }
 
+    /// <summary>
+    /// Forces all views to refresh their theme-dependent properties.
+    /// This is needed because AppThemeBinding may not automatically trigger
+    /// property mappers on all platforms.
+    /// </summary>
+    private void RefreshPageForThemeChange()
+    {
+        Console.WriteLine("[LinuxApplication] RefreshPageForThemeChange - forcing property updates");
+
+        // First, try to trigger MAUI's RequestedThemeChanged event using reflection
+        // This ensures AppThemeBinding bindings re-evaluate
+        TriggerMauiThemeChanged();
+
+        if (_rootView == null) return;
+
+        // Traverse the visual tree and force theme-dependent properties to update
+        RefreshViewTheme(_rootView);
+    }
+
+    /// <summary>
+    /// Triggers MAUI's internal RequestedThemeChanged event to force AppThemeBinding updates.
+    /// </summary>
+    private void TriggerMauiThemeChanged()
+    {
+        try
+        {
+            var app = Application.Current;
+            if (app == null) return;
+
+            var currentTheme = app.UserAppTheme;
+            Console.WriteLine($"[LinuxApplication] Triggering theme changed event for: {currentTheme}");
+
+            // Try to find and invoke the RequestedThemeChanged event
+            var eventField = typeof(Application).GetField("RequestedThemeChanged",
+                BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public);
+
+            if (eventField != null)
+            {
+                var eventDelegate = eventField.GetValue(app) as MulticastDelegate;
+                if (eventDelegate != null)
+                {
+                    var args = new AppThemeChangedEventArgs(currentTheme);
+                    foreach (var handler in eventDelegate.GetInvocationList())
+                    {
+                        handler.DynamicInvoke(app, args);
+                    }
+                    Console.WriteLine("[LinuxApplication] Successfully invoked RequestedThemeChanged handlers");
+                }
+            }
+            else
+            {
+                // Try alternative approach - trigger OnPropertyChanged for RequestedTheme
+                var onPropertyChangedMethod = typeof(BindableObject).GetMethod("OnPropertyChanged",
+                    BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public,
+                    null, new[] { typeof(string) }, null);
+
+                if (onPropertyChangedMethod != null)
+                {
+                    onPropertyChangedMethod.Invoke(app, new object[] { "RequestedTheme" });
+                    Console.WriteLine("[LinuxApplication] Triggered OnPropertyChanged for RequestedTheme");
+                }
+            }
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine($"[LinuxApplication] Error triggering theme changed: {ex.Message}");
+        }
+    }
+
+    private void RefreshViewTheme(SkiaView view)
+    {
+        // Get the associated MAUI view and handler
+        var mauiView = view.MauiView;
+        var handler = mauiView?.Handler;
+
+        if (handler != null && mauiView != null)
+        {
+            // Force key properties to be re-mapped
+            // This ensures theme-dependent bindings are re-evaluated
+            try
+            {
+                // Background/BackgroundColor
+                handler.UpdateValue(nameof(IView.Background));
+
+                // For ImageButton, force Source to be re-mapped
+                if (mauiView is Microsoft.Maui.Controls.ImageButton)
+                {
+                    handler.UpdateValue(nameof(IImageSourcePart.Source));
+                }
+
+                // For Image, force Source to be re-mapped
+                if (mauiView is Microsoft.Maui.Controls.Image)
+                {
+                    handler.UpdateValue(nameof(IImageSourcePart.Source));
+                }
+
+                // For views with text colors
+                if (mauiView is ITextStyle)
+                {
+                    handler.UpdateValue(nameof(ITextStyle.TextColor));
+                }
+
+                // For Entry/Editor placeholder colors
+                if (mauiView is IPlaceholder)
+                {
+                    handler.UpdateValue(nameof(IPlaceholder.PlaceholderColor));
+                }
+
+                // For Border stroke
+                if (mauiView is IBorderStroke)
+                {
+                    handler.UpdateValue(nameof(IBorderStroke.Stroke));
+                }
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"[LinuxApplication] Error refreshing theme for {mauiView.GetType().Name}: {ex.Message}");
+            }
+        }
+
+        // Recursively process children
+        foreach (var child in view.Children)
+        {
+            RefreshViewTheme(child);
+        }
+    }
+
     private void UpdateAnimations()
     {
         // Update cursor blink for entry controls
@@ -802,6 +1049,16 @@ public class LinuxApplication : IDisposable
         string buttonName = e.Button == 1 ? "Left" : e.Button == 2 ? "Middle" : e.Button == 3 ? "Right" : $"Unknown({e.Button})";
         Console.WriteLine($"[LinuxApplication.GTK] PointerPressed at ({e.X:F1}, {e.Y:F1}), Button={e.Button} ({buttonName})");
 
+        // Route to dialog if one is active
+        if (LinuxDialogService.HasActiveDialog)
+        {
+            var button = e.Button == 1 ? PointerButton.Left : e.Button == 2 ? PointerButton.Middle : PointerButton.Right;
+            var args = new PointerEventArgs((float)e.X, (float)e.Y, button);
+            LinuxDialogService.TopDialog?.OnPointerPressed(args);
+            _gtkWindow?.RequestRedraw();
+            return;
+        }
+
         if (LinuxDialogService.HasContextMenu)
         {
             var button = e.Button == 1 ? PointerButton.Left : e.Button == 2 ? PointerButton.Middle : PointerButton.Right;
@@ -842,6 +1099,17 @@ public class LinuxApplication : IDisposable
     private void OnGtkPointerReleased(object? sender, (double X, double Y, int Button) e)
     {
         Console.WriteLine("[DIAG] >>> OnGtkPointerReleased ENTER");
+
+        // Route to dialog if one is active
+        if (LinuxDialogService.HasActiveDialog)
+        {
+            var button = e.Button == 1 ? PointerButton.Left : e.Button == 2 ? PointerButton.Middle : PointerButton.Right;
+            var args = new PointerEventArgs((float)e.X, (float)e.Y, button);
+            LinuxDialogService.TopDialog?.OnPointerReleased(args);
+            _gtkWindow?.RequestRedraw();
+            return;
+        }
+
         if (_rootView == null) return;
 
         if (_capturedView != null)
@@ -870,6 +1138,15 @@ public class LinuxApplication : IDisposable
 
     private void OnGtkPointerMoved(object? sender, (double X, double Y) e)
     {
+        // Route to dialog if one is active
+        if (LinuxDialogService.HasActiveDialog)
+        {
+            var args = new PointerEventArgs((float)e.X, (float)e.Y);
+            LinuxDialogService.TopDialog?.OnPointerMoved(args);
+            _gtkWindow?.RequestRedraw();
+            return;
+        }
+
         if (LinuxDialogService.HasContextMenu)
         {
             var args = new PointerEventArgs((float)e.X, (float)e.Y);
@@ -906,24 +1183,42 @@ public class LinuxApplication : IDisposable
     }
 
     private void OnGtkKeyPressed(object? sender, (uint KeyVal, uint KeyCode, uint State) e)
-    {
-        if (_focusedView != null)
     {
         var key = ConvertGdkKey(e.KeyVal);
         var modifiers = ConvertGdkModifiers(e.State);
         var args = new KeyEventArgs(key, modifiers);
+
+        // Route to dialog if one is active
+        if (LinuxDialogService.HasActiveDialog)
+        {
+            LinuxDialogService.TopDialog?.OnKeyDown(args);
+            _gtkWindow?.RequestRedraw();
+            return;
+        }
+
+        if (_focusedView != null)
+        {
             _focusedView.OnKeyDown(args);
             _gtkWindow?.RequestRedraw();
         }
     }
 
     private void OnGtkKeyReleased(object? sender, (uint KeyVal, uint KeyCode, uint State) e)
-    {
-        if (_focusedView != null)
     {
         var key = ConvertGdkKey(e.KeyVal);
         var modifiers = ConvertGdkModifiers(e.State);
         var args = new KeyEventArgs(key, modifiers);
+
+        // Route to dialog if one is active
+        if (LinuxDialogService.HasActiveDialog)
+        {
+            LinuxDialogService.TopDialog?.OnKeyUp(args);
+            _gtkWindow?.RequestRedraw();
+            return;
+        }
+
+        if (_focusedView != null)
+        {
             _focusedView.OnKeyUp(args);
             _gtkWindow?.RequestRedraw();
         }

Native/GtkNative.cs

@@ -189,4 +189,97 @@ internal static class GtkNative
 
     [DllImport("libgdk-3.so.0")]
     public static extern void gdk_event_free(IntPtr eventPtr);
+
+    // Message Dialog support
+    public const int GTK_DIALOG_MODAL = 1;
+    public const int GTK_DIALOG_DESTROY_WITH_PARENT = 2;
+
+    public const int GTK_MESSAGE_INFO = 0;
+    public const int GTK_MESSAGE_WARNING = 1;
+    public const int GTK_MESSAGE_QUESTION = 2;
+    public const int GTK_MESSAGE_ERROR = 3;
+    public const int GTK_MESSAGE_OTHER = 4;
+
+    public const int GTK_BUTTONS_NONE = 0;
+    public const int GTK_BUTTONS_OK = 1;
+    public const int GTK_BUTTONS_CLOSE = 2;
+    public const int GTK_BUTTONS_CANCEL = 3;
+    public const int GTK_BUTTONS_YES_NO = 4;
+    public const int GTK_BUTTONS_OK_CANCEL = 5;
+
+    public const int GTK_RESPONSE_NONE = -1;
+    public const int GTK_RESPONSE_REJECT = -2;
+    public const int GTK_RESPONSE_ACCEPT = -3;
+    public const int GTK_RESPONSE_DELETE_EVENT = -4;
+    public const int GTK_RESPONSE_OK = -5;
+    public const int GTK_RESPONSE_CANCEL = -6;
+    public const int GTK_RESPONSE_CLOSE = -7;
+    public const int GTK_RESPONSE_YES = -8;
+    public const int GTK_RESPONSE_NO = -9;
+
+    [DllImport("libgtk-3.so.0")]
+    public static extern IntPtr gtk_message_dialog_new(
+        IntPtr parent,
+        int flags,
+        int type,
+        int buttons,
+        string message,
+        IntPtr args);
+
+    [DllImport("libgtk-3.so.0")]
+    public static extern int gtk_dialog_run(IntPtr dialog);
+
+    [DllImport("libgtk-3.so.0")]
+    public static extern void gtk_window_set_transient_for(IntPtr window, IntPtr parent);
+
+    [DllImport("libgtk-3.so.0")]
+    public static extern void gtk_window_set_modal(IntPtr window, bool modal);
+
+    // Dialog with custom content (for prompt dialogs)
+    [DllImport("libgtk-3.so.0")]
+    public static extern IntPtr gtk_dialog_new_with_buttons(
+        string title,
+        IntPtr parent,
+        int flags,
+        string firstButtonText,
+        int firstButtonResponse,
+        string secondButtonText,
+        int secondButtonResponse,
+        IntPtr terminator);
+
+    [DllImport("libgtk-3.so.0")]
+    public static extern IntPtr gtk_dialog_get_content_area(IntPtr dialog);
+
+    [DllImport("libgtk-3.so.0")]
+    public static extern IntPtr gtk_box_new(int orientation, int spacing);
+
+    [DllImport("libgtk-3.so.0")]
+    public static extern void gtk_box_pack_start(IntPtr box, IntPtr child, bool expand, bool fill, uint padding);
+
+    [DllImport("libgtk-3.so.0")]
+    public static extern IntPtr gtk_label_new(string text);
+
+    [DllImport("libgtk-3.so.0")]
+    public static extern IntPtr gtk_entry_new();
+
+    [DllImport("libgtk-3.so.0")]
+    public static extern void gtk_entry_set_text(IntPtr entry, string text);
+
+    [DllImport("libgtk-3.so.0")]
+    public static extern IntPtr gtk_entry_get_text(IntPtr entry);
+
+    [DllImport("libgtk-3.so.0")]
+    public static extern void gtk_widget_set_margin_start(IntPtr widget, int margin);
+
+    [DllImport("libgtk-3.so.0")]
+    public static extern void gtk_widget_set_margin_end(IntPtr widget, int margin);
+
+    [DllImport("libgtk-3.so.0")]
+    public static extern void gtk_widget_set_margin_top(IntPtr widget, int margin);
+
+    [DllImport("libgtk-3.so.0")]
+    public static extern void gtk_widget_set_margin_bottom(IntPtr widget, int margin);
+
+    public const int GTK_ORIENTATION_HORIZONTAL = 0;
+    public const int GTK_ORIENTATION_VERTICAL = 1;
 }

Native/WebKitNative.cs

@@ -20,11 +20,31 @@ internal static class WebKitNative
     private delegate IntPtr WebKitWebViewGetSettingsDelegate(IntPtr webView);
     private delegate void WebKitSettingsSetHardwareAccelerationPolicyDelegate(IntPtr settings, int policy);
     private delegate void WebKitSettingsSetEnableJavascriptDelegate(IntPtr settings, bool enabled);
+    private delegate void WebKitWebViewSetBackgroundColorDelegate(IntPtr webView, ref GdkRGBA color);
+
+    [StructLayout(LayoutKind.Sequential)]
+    public struct GdkRGBA
+    {
+        public double Red;
+        public double Green;
+        public double Blue;
+        public double Alpha;
+    }
 
     [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
     public delegate void LoadChangedCallback(IntPtr webView, int loadEvent, IntPtr userData);
 
-    private delegate ulong GSignalConnectDataDelegate(IntPtr instance, string signalName, LoadChangedCallback callback, IntPtr userData, IntPtr destroyNotify, int connectFlags);
+    [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+    public delegate bool ScriptDialogCallback(IntPtr webView, IntPtr dialog, IntPtr userData);
+
+    private delegate ulong GSignalConnectDataDelegate(IntPtr instance, string signalName, Delegate callback, IntPtr userData, IntPtr destroyNotify, int connectFlags);
+
+    // WebKitScriptDialog functions
+    private delegate int WebKitScriptDialogGetDialogTypeDelegate(IntPtr dialog);
+    private delegate IntPtr WebKitScriptDialogGetMessageDelegate(IntPtr dialog);
+    private delegate void WebKitScriptDialogConfirmSetConfirmedDelegate(IntPtr dialog, bool confirmed);
+    private delegate IntPtr WebKitScriptDialogPromptGetDefaultTextDelegate(IntPtr dialog);
+    private delegate void WebKitScriptDialogPromptSetTextDelegate(IntPtr dialog, string text);
 
     public enum WebKitLoadEvent
     {
@@ -34,6 +54,14 @@ internal static class WebKitNative
         Finished
     }
 
+    public enum WebKitScriptDialogType
+    {
+        Alert = 0,
+        Confirm = 1,
+        Prompt = 2,
+        BeforeUnloadConfirm = 3
+    }
+
     private static IntPtr _handle;
     private static bool _initialized;
 
@@ -59,9 +87,21 @@ internal static class WebKitNative
     private static WebKitWebViewGetSettingsDelegate? _webkitGetSettings;
     private static WebKitSettingsSetHardwareAccelerationPolicyDelegate? _webkitSetHardwareAccel;
     private static WebKitSettingsSetEnableJavascriptDelegate? _webkitSetJavascript;
+    private static WebKitWebViewSetBackgroundColorDelegate? _webkitSetBackgroundColor;
     private static GSignalConnectDataDelegate? _gSignalConnectData;
+    private static WebKitScriptDialogGetDialogTypeDelegate? _webkitScriptDialogGetDialogType;
+    private static WebKitScriptDialogGetMessageDelegate? _webkitScriptDialogGetMessage;
+    private static WebKitScriptDialogConfirmSetConfirmedDelegate? _webkitScriptDialogConfirmSetConfirmed;
+    private static WebKitScriptDialogPromptGetDefaultTextDelegate? _webkitScriptDialogPromptGetDefaultText;
+    private static WebKitScriptDialogPromptSetTextDelegate? _webkitScriptDialogPromptSetText;
 
     private static readonly Dictionary<IntPtr, LoadChangedCallback> _loadChangedCallbacks = new Dictionary<IntPtr, LoadChangedCallback>();
+    private static readonly Dictionary<IntPtr, ScriptDialogCallback> _scriptDialogCallbacks = new Dictionary<IntPtr, ScriptDialogCallback>();
+
+    /// <summary>
+    /// Event raised when a JavaScript dialog (alert, confirm, prompt) is requested.
+    /// </summary>
+    public static event Action<IntPtr, WebKitScriptDialogType, string>? ScriptDialogRequested;
 
     private const int RTLD_NOW = 2;
     private const int RTLD_GLOBAL = 256;
@@ -116,6 +156,12 @@ internal static class WebKitNative
         _webkitGetSettings = LoadFunction<WebKitWebViewGetSettingsDelegate>("webkit_web_view_get_settings");
         _webkitSetHardwareAccel = LoadFunction<WebKitSettingsSetHardwareAccelerationPolicyDelegate>("webkit_settings_set_hardware_acceleration_policy");
         _webkitSetJavascript = LoadFunction<WebKitSettingsSetEnableJavascriptDelegate>("webkit_settings_set_enable_javascript");
+        _webkitSetBackgroundColor = LoadFunction<WebKitWebViewSetBackgroundColorDelegate>("webkit_web_view_set_background_color");
+        _webkitScriptDialogGetDialogType = LoadFunction<WebKitScriptDialogGetDialogTypeDelegate>("webkit_script_dialog_get_dialog_type");
+        _webkitScriptDialogGetMessage = LoadFunction<WebKitScriptDialogGetMessageDelegate>("webkit_script_dialog_get_message");
+        _webkitScriptDialogConfirmSetConfirmed = LoadFunction<WebKitScriptDialogConfirmSetConfirmedDelegate>("webkit_script_dialog_confirm_set_confirmed");
+        _webkitScriptDialogPromptGetDefaultText = LoadFunction<WebKitScriptDialogPromptGetDefaultTextDelegate>("webkit_script_dialog_prompt_get_default_text");
+        _webkitScriptDialogPromptSetText = LoadFunction<WebKitScriptDialogPromptSetTextDelegate>("webkit_script_dialog_prompt_set_text");
 
         _gobjectHandle = dlopen("libgobject-2.0.so.0", 258);
         if (_gobjectHandle != IntPtr.Zero)
@@ -238,6 +284,15 @@ internal static class WebKitNative
         }
     }
 
+    public static void SetBackgroundColor(IntPtr webView, double r, double g, double b, double a = 1.0)
+    {
+        if (_webkitSetBackgroundColor != null && webView != IntPtr.Zero)
+        {
+            var color = new GdkRGBA { Red = r, Green = g, Blue = b, Alpha = a };
+            _webkitSetBackgroundColor(webView, ref color);
+        }
+    }
+
     public static ulong ConnectLoadChanged(IntPtr webView, LoadChangedCallback callback)
     {
         if (_gSignalConnectData == null || webView == IntPtr.Zero)
@@ -253,4 +308,72 @@ internal static class WebKitNative
     {
         _loadChangedCallbacks.Remove(webView);
     }
+
+    /// <summary>
+    /// Connects to the script-dialog signal to intercept JavaScript alert/confirm/prompt dialogs.
+    /// Returns true from the callback to prevent the default WebKitGTK dialog.
+    /// </summary>
+    public static ulong ConnectScriptDialog(IntPtr webView, ScriptDialogCallback callback)
+    {
+        if (_gSignalConnectData == null || webView == IntPtr.Zero)
+        {
+            Console.WriteLine("[WebKitNative] Cannot connect script-dialog: signal connect not available");
+            return 0uL;
+        }
+        _scriptDialogCallbacks[webView] = callback;
+        return _gSignalConnectData(webView, "script-dialog", callback, IntPtr.Zero, IntPtr.Zero, 0);
+    }
+
+    public static void DisconnectScriptDialog(IntPtr webView)
+    {
+        _scriptDialogCallbacks.Remove(webView);
+    }
+
+    /// <summary>
+    /// Gets the type of a script dialog.
+    /// </summary>
+    public static WebKitScriptDialogType GetScriptDialogType(IntPtr dialog)
+    {
+        if (_webkitScriptDialogGetDialogType == null || dialog == IntPtr.Zero)
+            return WebKitScriptDialogType.Alert;
+        return (WebKitScriptDialogType)_webkitScriptDialogGetDialogType(dialog);
+    }
+
+    /// <summary>
+    /// Gets the message from a script dialog.
+    /// </summary>
+    public static string? GetScriptDialogMessage(IntPtr dialog)
+    {
+        if (_webkitScriptDialogGetMessage == null || dialog == IntPtr.Zero)
+            return null;
+        IntPtr msgPtr = _webkitScriptDialogGetMessage(dialog);
+        return msgPtr == IntPtr.Zero ? null : Marshal.PtrToStringUTF8(msgPtr);
+    }
+
+    /// <summary>
+    /// Sets the confirmed state for a confirm dialog.
+    /// </summary>
+    public static void SetScriptDialogConfirmed(IntPtr dialog, bool confirmed)
+    {
+        _webkitScriptDialogConfirmSetConfirmed?.Invoke(dialog, confirmed);
+    }
+
+    /// <summary>
+    /// Gets the default text for a prompt dialog.
+    /// </summary>
+    public static string? GetScriptDialogPromptDefaultText(IntPtr dialog)
+    {
+        if (_webkitScriptDialogPromptGetDefaultText == null || dialog == IntPtr.Zero)
+            return null;
+        IntPtr textPtr = _webkitScriptDialogPromptGetDefaultText(dialog);
+        return textPtr == IntPtr.Zero ? null : Marshal.PtrToStringUTF8(textPtr);
+    }
+
+    /// <summary>
+    /// Sets the text response for a prompt dialog.
+    /// </summary>
+    public static void SetScriptDialogPromptText(IntPtr dialog, string text)
+    {
+        _webkitScriptDialogPromptSetText?.Invoke(dialog, text);
+    }
 }

Services/SystemThemeService.cs

@@ -71,6 +71,8 @@ public class SystemThemeService
     };
 
     private FileSystemWatcher? _settingsWatcher;
+    private Timer? _pollTimer;
+    private static readonly TimeSpan PollInterval = TimeSpan.FromSeconds(2);
 
     private SystemThemeService()
     {
@@ -78,6 +80,7 @@ public class SystemThemeService
         DetectTheme();
         UpdateColors();
         SetupWatcher();
+        SetupPolling();
     }
 
     private void DetectDesktopEnvironment()
@@ -373,6 +376,33 @@ public class SystemThemeService
         catch { }
     }
 
+    private void SetupPolling()
+    {
+        // For GNOME and other desktops that use dconf/gsettings,
+        // file watching doesn't work. Use periodic polling instead.
+        _pollTimer = new Timer(OnPollTimer, null, PollInterval, PollInterval);
+    }
+
+    private void OnPollTimer(object? state)
+    {
+        try
+        {
+            var oldTheme = CurrentTheme;
+            DetectTheme();
+
+            if (oldTheme != CurrentTheme)
+            {
+                Console.WriteLine($"[SystemThemeService] Theme change detected via polling: {oldTheme} -> {CurrentTheme}");
+                UpdateColors();
+                ThemeChanged?.Invoke(this, new ThemeChangedEventArgs(CurrentTheme));
+            }
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine($"[SystemThemeService] Error in poll timer: {ex.Message}");
+        }
+    }
+
     private void OnSettingsChanged(object sender, FileSystemEventArgs e)
     {
         // Debounce and check relevant files

Views/SkiaBorder.cs

@@ -407,7 +407,9 @@ public class SkiaBorder : SkiaLayoutView
             canvas.DrawPath(shapePath, borderPaint);
         }
 
-        // Draw children
+        // Clip to shape and draw children
+        canvas.Save();
+        canvas.ClipPath(shapePath);
         foreach (var child in Children)
         {
             if (child.IsVisible)
@@ -415,6 +417,7 @@ public class SkiaBorder : SkiaLayoutView
                 child.Draw(canvas);
             }
         }
+        canvas.Restore();
     }
 
     #endregion

Views/SkiaEntry.cs

@@ -74,7 +74,7 @@ public class SkiaEntry : SkiaView, IInputContext
             nameof(EntryBackgroundColor),
             typeof(Color),
             typeof(SkiaEntry),
-            Colors.White,
+            Colors.Transparent,
             propertyChanged: (b, o, n) => ((SkiaEntry)b).Invalidate());
 
     /// <summary>
@@ -837,12 +837,32 @@ public class SkiaEntry : SkiaView, IInputContext
         Invalidate();
     }
 
+    protected override void DrawBackground(SKCanvas canvas, SKRect bounds)
+    {
+        // Skip base background drawing if Entry is transparent
+        // (transparent Entry is likely inside a Border that handles appearance)
+        var bgColor = ToSKColor(EntryBackgroundColor);
+        var baseBgColor = GetEffectiveBackgroundColor();
+        if (bgColor.Alpha < 10 && baseBgColor.Alpha < 10)
+            return;
+
+        // Otherwise let base class draw
+        base.DrawBackground(canvas, bounds);
+    }
+
     protected override void OnDraw(SKCanvas canvas, SKRect bounds)
+    {
+        var bgColor = ToSKColor(EntryBackgroundColor);
+        var isTransparent = bgColor.Alpha < 10; // Consider nearly transparent as transparent
+
+        // Only draw background and border if not transparent
+        // (transparent means the Entry is likely inside a Border that handles appearance)
+        if (!isTransparent)
         {
             // Draw background
             using var bgPaint = new SKPaint
             {
-            Color = ToSKColor(EntryBackgroundColor),
+                Color = bgColor,
                 IsAntialias = true,
                 Style = SKPaintStyle.Fill
             };
@@ -862,6 +882,7 @@ public class SkiaEntry : SkiaView, IInputContext
                 StrokeWidth = borderWidth
             };
             canvas.DrawRoundRect(rect, borderPaint);
+        }
 
         // Calculate content bounds
         var contentBounds = new SKRect(

Views/SkiaImage.cs

@@ -693,6 +693,8 @@ public class SkiaImage : SkiaView
                     using var canvas = new SKCanvas(newBitmap);
                     canvas.Clear(SKColors.Transparent);
                     canvas.Scale(scale);
+                    // Translate to handle negative viewBox coordinates (e.g., Material icons use 0 -960 960 960)
+                    canvas.Translate(-cullRect.Left, -cullRect.Top);
                     canvas.DrawPicture(svg.Picture, null);
                 }
             }, cts.Token);

Views/SkiaImageButton.cs

@@ -239,6 +239,20 @@ public class SkiaImageButton : SkiaView
 
     #region Rendering
 
+    protected override void DrawBackground(SKCanvas canvas, SKRect bounds)
+    {
+        // Skip base background drawing if button is transparent
+        var baseBgColor = ImageBackgroundColor != null
+            ? ToSKColor(ImageBackgroundColor)
+            : GetEffectiveBackgroundColor();
+
+        if (baseBgColor.Alpha < 10)
+            return;
+
+        // Otherwise let base class draw
+        base.DrawBackground(canvas, bounds);
+    }
+
     protected override void OnDraw(SKCanvas canvas, SKRect bounds)
     {
         var padding = Padding;
@@ -249,26 +263,29 @@ public class SkiaImageButton : SkiaView
             bounds.Bottom - (float)padding.Bottom);
 
         // Determine background color
+        var baseBgColor = ImageBackgroundColor != null
+            ? ToSKColor(ImageBackgroundColor)
+            : GetEffectiveBackgroundColor();
+        var isTransparentButton = baseBgColor.Alpha < 10;
+
         SKColor bgColor;
-        if (IsPressed)
+        if (IsPressed && !isTransparentButton)
         {
+            // Only show pressed state for non-transparent buttons
             bgColor = ToSKColor(PressedBackgroundColor);
         }
-        else if (IsHovered)
+        else if (IsHovered && !isTransparentButton)
         {
+            // Only show hovered state for non-transparent buttons
             bgColor = ToSKColor(HoveredBackgroundColor);
         }
-        else if (ImageBackgroundColor != null)
-        {
-            bgColor = ToSKColor(ImageBackgroundColor);
-        }
         else
         {
-            bgColor = GetEffectiveBackgroundColor();
+            bgColor = baseBgColor;
         }
 
-        // Draw background
-        if (bgColor != SKColors.Transparent || !IsOpaque)
+        // Draw background (skip if fully transparent)
+        if (bgColor.Alpha > 0)
         {
             using var bgPaint = new SKPaint
             {
@@ -477,9 +494,11 @@ public class SkiaImageButton : SkiaView
                         using var canvas = new SKCanvas(bitmap);
                         canvas.Clear(SKColors.Transparent);
                         canvas.Scale(scale);
+                        // Translate to handle negative viewBox coordinates (e.g., Material icons use 0 -960 960 960)
+                        canvas.Translate(-cullRect.Left, -cullRect.Top);
                         canvas.DrawPicture(svg.Picture);
                         Bitmap = bitmap;
-                        Console.WriteLine($"[SkiaImageButton] Loaded SVG: {foundPath} ({width}x{height})");
+                        Console.WriteLine($"[SkiaImageButton] Loaded SVG: {foundPath} ({width}x{height}), cullRect={cullRect}");
                     }
                 }
                 else
@@ -786,9 +805,12 @@ public class SkiaImageButton : SkiaView
             }
             // Fill (3) and Start (0) both use y = bounds.Top
 
-            return new Rect(x, y, finalWidth, finalHeight);
+            var result1 = new Rect(x, y, finalWidth, finalHeight);
+            Console.WriteLine($"[SkiaImageButton] ArrangeOverride output (aligned): Y={result1.Y}, Height={result1.Height}");
+            return result1;
         }
 
+        Console.WriteLine($"[SkiaImageButton] ArrangeOverride output (unchanged): Y={bounds.Y}, Height={bounds.Height}");
         return bounds;
     }
 

Views/SkiaLayoutView.cs

@@ -907,12 +907,46 @@ public class SkiaGrid : SkiaLayoutView
 
             // Apply child's margin
             var margin = child.Margin;
-            var marginedBounds = new Rect(
-                x + (float)margin.Left,
-                y + (float)margin.Top,
-                width - (float)margin.Left - (float)margin.Right,
-                height - (float)margin.Top - (float)margin.Bottom);
-            child.Arrange(marginedBounds);
+            var cellX = x + (float)margin.Left;
+            var cellY = y + (float)margin.Top;
+            var cellWidth = width - (float)margin.Left - (float)margin.Right;
+            var cellHeight = height - (float)margin.Top - (float)margin.Bottom;
+
+            // Get child's desired size
+            var childDesiredSize = child.Measure(new Size(cellWidth, cellHeight));
+            var childWidth = (float)childDesiredSize.Width;
+            var childHeight = (float)childDesiredSize.Height;
+
+            var vAlign = (int)child.VerticalOptions.Alignment;
+
+            // Apply HorizontalOptions
+            // LayoutAlignment: Start=0, Center=1, End=2, Fill=3
+            float finalX = cellX;
+            float finalWidth = cellWidth;
+            var hAlign = (int)child.HorizontalOptions.Alignment;
+            if (hAlign != 3 && childWidth < cellWidth && childWidth > 0) // 3 = Fill
+            {
+                finalWidth = childWidth;
+                if (hAlign == 1) // Center
+                    finalX = cellX + (cellWidth - childWidth) / 2;
+                else if (hAlign == 2) // End
+                    finalX = cellX + cellWidth - childWidth;
+            }
+
+            // Apply VerticalOptions
+            float finalY = cellY;
+            float finalHeight = cellHeight;
+            // vAlign already calculated above for debug logging
+            if (vAlign != 3 && childHeight < cellHeight && childHeight > 0) // 3 = Fill
+            {
+                finalHeight = childHeight;
+                if (vAlign == 1) // Center
+                    finalY = cellY + (cellHeight - childHeight) / 2;
+                else if (vAlign == 2) // End
+                    finalY = cellY + cellHeight - childHeight;
+            }
+
+            child.Arrange(new Rect(finalX, finalY, finalWidth, finalHeight));
         }
         return bounds;
         }

Views/SkiaView.cs

@@ -1534,8 +1534,8 @@ public abstract class SkiaView : BindableObject, IDisposable, IAccessible
                 canvas.DrawRect(bounds, paint);
             }
         }
-        // Fall back to BackgroundColor
-        else if (_backgroundColorSK != SKColors.Transparent)
+        // Fall back to BackgroundColor (skip if transparent)
+        else if (_backgroundColorSK.Alpha > 0)
         {
             using var paint = new SKPaint { Color = _backgroundColorSK };
             canvas.DrawRect(bounds, paint);

build/OpenMaui.Controls.Linux.targets

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <!-- 
+    OpenMaui Linux Build Targets
+    Handles MauiImage items for Linux platform since we don't use the full MAUI SDK targets.
+  -->
+
+  <!-- Copy MauiImage items to output directory -->
+  <Target Name="CopyMauiImagesToOutput" AfterTargets="Build" Condition="@(MauiImage) != ''">
+    <Message Importance="normal" Text="OpenMaui: Copying MauiImage items to output..." />
+    
+    <Copy SourceFiles="@(MauiImage)" 
+          DestinationFolder="$(OutputPath)"
+          SkipUnchangedFiles="true" />
+    
+    <!-- Also copy to Resources/Images subfolder for alternate lookup -->
+    <Copy SourceFiles="@(MauiImage)" 
+          DestinationFolder="$(OutputPath)Resources/Images"
+          SkipUnchangedFiles="true" />
+  </Target>
+
+  <!-- Ensure the Resources/Images directory exists -->
+  <Target Name="EnsureResourcesImagesDirectory" BeforeTargets="CopyMauiImagesToOutput">
+    <MakeDir Directories="$(OutputPath)Resources/Images" Condition="!Exists('$(OutputPath)Resources/Images')" />
+  </Target>
+
+</Project>