refactoring

Program.cs

@@ -1,7 +1,9 @@
-using Avalonia;
+namespace MercuryConverter;
+
+using Avalonia;
 using System;
 
-namespace MercuryConverter;
+using MercuryConverter.UI;
 
 class Program
 {

UI/App.axaml

@@ -1,6 +1,6 @@
 <Application xmlns="https://github.com/avaloniaui"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-            x:Class="MercuryConverter.App"
+            x:Class="MercuryConverter.UI.App"
             RequestedThemeVariant="Default"> <!-- Dark Default Light -->
 
     <Application.Styles>

UI/App.axaml.cs

@@ -2,7 +2,7 @@ using Avalonia;
 using Avalonia.Controls.ApplicationLifetimes;
 using Avalonia.Markup.Xaml;
 
-namespace MercuryConverter;
+namespace MercuryConverter.UI;
 
 public partial class App : Application
 {

UI/MainWindow.axaml

@@ -2,10 +2,10 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-        xmlns:local="clr-namespace:MercuryConverter"
+        xmlns:local="clr-namespace:MercuryConverter.UI"
         mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
 
-        x:Class="MercuryConverter.MainWindow"
+        x:Class="MercuryConverter.UI.MainWindow"
         Title="MercuryConverter"
         Width="1024" Height="800"
         MinWidth="800" MinHeight="600"

UI/MainWindow.axaml.cs

@@ -1,9 +1,9 @@
 using Avalonia.Controls;
 using Avalonia.Styling;
 
-namespace MercuryConverter;
+namespace MercuryConverter.UI;
 
-using MercuryConverter.Views;
+using MercuryConverter.UI.Views;
 
 public partial class MainWindow : Window
 {

UI/Views/Selection/Selection.axaml

@@ -2,8 +2,8 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-        xmlns:local="clr-namespace:MercuryConverter.Views"
-        x:Class="MercuryConverter.Views.Selection"
+        xmlns:local="clr-namespace:MercuryConverter.UI.Views"
+        x:Class="MercuryConverter.UI.Views.Selection"
 >
     <DockPanel>
         <!-- Sidebar -->

UI/Views/Selection/Selection.axaml.cs

@@ -7,7 +7,7 @@ using Avalonia.Controls;
 using MercuryConverter.Data;
 using Avalonia;
 
-namespace MercuryConverter.Views;
+namespace MercuryConverter.UI.Views;
 
 public partial class Selection : Panel
 {