Fix button spacing, opacity simplification, gitignore cleanup

WindowsApp/MainWindow.xaml.cs

@@ -0,0 +1,72 @@
+using System;
+using System.IO;
+using System.Text.Json;
+using System.Windows;
+using Microsoft.Web.WebView2.Core;
+
+namespace Gott;
+
+public partial class MainWindow : Window
+{
+    private readonly AppSettings _settings;
+
+    public MainWindow()
+    {
+        _settings = LoadSettings();
+
+        InitializeComponent();
+
+        var screenW = SystemParameters.PrimaryScreenWidth;
+        var screenH = SystemParameters.PrimaryScreenHeight;
+        Width = 930;
+        Height = screenH * 0.95;
+        Left = (screenW - Width) / 2;
+        Top = (screenH - Height) / 2;
+
+        Loaded += async (_, _) =>
+        {
+            await webView.EnsureCoreWebView2Async();
+
+            // Dark background to avoid white flash
+            webView.DefaultBackgroundColor = System.Drawing.Color.FromArgb(255, 17, 17, 17);
+
+            // Open external links in default browser
+            webView.CoreWebView2.NewWindowRequested += (_, e) =>
+            {
+                e.Handled = true;
+                System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(e.Uri) { UseShellExecute = true });
+            };
+
+            webView.CoreWebView2.NavigationCompleted += (_, _) =>
+            {
+                webView.Visibility = Visibility.Visible;
+                loader.Visibility = Visibility.Collapsed;
+            };
+
+            webView.CoreWebView2.Navigate(_settings.Url);
+        };
+    }
+
+    private static AppSettings LoadSettings()
+    {
+        foreach (var file in new[] { "appsettings.Production.json", "appsettings.json" })
+        {
+            var path = Path.Combine(AppContext.BaseDirectory, file);
+            if (File.Exists(path))
+            {
+                try
+                {
+                    var json = File.ReadAllText(path);
+                    return JsonSerializer.Deserialize<AppSettings>(json) ?? new();
+                }
+                catch { }
+            }
+        }
+        return new();
+    }
+}
+
+public class AppSettings
+{
+    public string Url { get; set; } = "http://localhost:19000";
+}