rename Limits record to Sample

update the launch size of the app window to match the new layout.

Lottery/App.xaml.cs

@@ -14,11 +14,15 @@
             var window = base.CreateWindow(activationState);
 
             const int newWidth = 600;
-            const int newHeight = 300;
+            const int newHeight = 750;
 
             window.Width = newWidth;
             window.Height = newHeight;
 
+            // Optional: Set minimum size to prevent window from being too small
+            window.MinimumWidth = 400;
+            window.MinimumHeight = 600;
+
             return window;
         }
     }

Lottery/AppShell.xaml

@@ -5,10 +5,9 @@
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     xmlns:local="clr-namespace:Lottery"
     Shell.FlyoutBehavior="Disabled"
-    Title="Lottery Number Generator">
+    Title="">
 
     <ShellContent
-        Title="Lottery Number Generator"
         ContentTemplate="{DataTemplate local:MainPage}"
         Route="MainPage" />
 

Lottery/Generator.cs

@@ -3,16 +3,16 @@
     internal class Generator
     {
         /// <summary>
-        /// Simple algorithm for generating a list of unique numbers of Limits.Count size
+        /// Simple algorithm for generating a list of unique numbers of sample.Count size.
         /// </summary>
-        /// <param name="limits">Defines the amount of numbers to generate, the min and max values</param>
+        /// <param name="sample">Defines the sample size as well as the upper and lower bounds.</param>
         /// <returns>Numbers are returned as a sorted set.</returns>
-        public static SortedSet<int> Generate(Limits limits)
+        public static SortedSet<int> Generate(Sample sample)
         {
-            List<int> candidates = Enumerable.Range(limits.Lower, limits.Upper).ToList();
+            List<int> candidates = [.. Enumerable.Range(sample.Lower, sample.Upper)];
             SortedSet<int> numbers = [];
 
-            for (int i = 0; i < limits.Count; i++)
+            for (int i = 0; i < sample.Count; i++)
             {
                 int RandomIndex = Random.Shared.Next(candidates.Count);
                 numbers.Add(candidates[RandomIndex]);

Lottery/KindOfLottery.cs

@@ -5,7 +5,7 @@
     /// </summary>
     enum KindOfLottery : int
     {
-        Uk,
+        Lotto,
         Euro,
         SetForLife,
         Thunderball,

Lottery/Lottery.cs

@@ -1,41 +1,41 @@
 namespace Lottery
 {
-    internal record Limits(int Count, int Lower, int Upper);
+    internal record Sample(int Lower, int Upper, int Count);
 
     /// <summary>
     /// Abstract base class for lotteries.
-    /// Limits property must be overridden.
+    /// Sample property must be overridden.
     /// </summary>
     internal abstract class Lottery
     {
-        protected virtual Limits Limits => throw new NotImplementedException();
+        protected virtual Sample Sample => throw new NotImplementedException();
-        public virtual string Play() => $"Numbers: {string.Join(", ", Generator.Generate(Limits))}";
+        public virtual string Play() => $"Numbers: {string.Join(", ", Generator.Generate(Sample))}";
     }
 
     /// <summary>
-    /// Concrete UKLotto Lottery class.
+    /// Concrete Lotto Lottery class.
     /// Generates six balls from 1 to 59.
     /// </summary>
-    internal class UKLottoLottery : Lottery
+    internal class LottoLottery : Lottery
     {
-        protected override Limits Limits { get; } = new(Count: 6, Lower: 1, Upper: 59);
+        protected override Sample Sample { get; } = new(Lower: 1, Upper: 59, Count: 6);
     }
 
     /// <summary>
     /// Abstract base class for Lotteries with Special values.
     /// It subclasses Lottery.
-    /// SpecialLimits and SpecialIdentifier properties must be overridden.
+    /// SpecialSample and SpecialIdentifier properties must be overridden.
     /// </summary>
     internal abstract class LotteryWithSpecial : Lottery
     {
-        protected virtual Limits SpecialLimits => throw new NotImplementedException();
+        protected virtual Sample SpecialSample => throw new NotImplementedException();
         protected virtual string SpecialIdentifier => throw new NotImplementedException();
 
         public override string Play()
         {
-            return string.Join("\t", [
+            return string.Join("\n", [
-                $"Numbers: {string.Join(", ", Generator.Generate(Limits))}",
+                $"Numbers: {string.Join(", ", Generator.Generate(Sample))}",
-                $"{SpecialIdentifier}: {string.Join(", ", Generator.Generate(SpecialLimits))}",
+                $"{SpecialIdentifier}: {string.Join(", ", Generator.Generate(SpecialSample))}",
             ]);
         }
     }
@@ -46,8 +46,8 @@
     /// </summary>
     internal class EuroMillionsLottery : LotteryWithSpecial
     {
-        protected override Limits Limits { get; } = new(Count: 5, Lower: 1, Upper: 50);
+        protected override Sample Sample { get; } = new(Lower: 1, Upper: 50, Count: 5);
-        protected override Limits SpecialLimits { get; } = new(Count: 2, Lower: 1, Upper: 12);
+        protected override Sample SpecialSample { get; } = new(Lower: 1, Upper: 12, Count: 2);
         protected override string SpecialIdentifier => "Lucky Stars";
     }
 
@@ -57,8 +57,8 @@
     /// </summary>
     internal class SetForLifeLottery : LotteryWithSpecial
     {
-        protected override Limits Limits { get; } = new(Count: 5, Lower: 1, Upper: 47);
+        protected override Sample Sample { get; } = new(Lower: 1, Upper: 47, Count: 5);
-        protected override Limits SpecialLimits { get; } = new(Count: 1, Lower: 1, Upper: 10);
+        protected override Sample SpecialSample { get; } = new(Lower: 1, Upper: 10, Count: 1);
         protected override string SpecialIdentifier => "Life Ball";
     }
 
@@ -68,8 +68,8 @@
     /// </summary>
     internal class ThunderballLottery : LotteryWithSpecial
     {
-        protected override Limits Limits { get; } = new(Count: 5, Lower: 1, Upper: 39);
+        protected override Sample Sample { get; } = new(Lower: 1, Upper: 39, Count: 5);
-        protected override Limits SpecialLimits { get; } = new(Count: 1, Lower: 1, Upper: 14);
+        protected override Sample SpecialSample { get; } = new(Lower: 1, Upper: 14, Count: 1);
         protected override string SpecialIdentifier => "Thunderball";
     }
 }

Lottery/MainPage.xaml

@@ -1,17 +1,127 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
-             x:Class="Lottery.MainPage">
+             x:Class="Lottery.MainPage"
+             BackgroundColor="{AppThemeBinding Light=#F5F5F5, Dark=#1E1E1E}">
 
     <ScrollView>
         <VerticalStackLayout
-            Padding="30,0"
+            Padding="20"
-            Spacing="25">
+            Spacing="30"
-            <Picker x:Name="LotteryPicker" Title="Pick your lottery" SelectedIndexChanged="LotteryPicker_SelectedIndexChanged" />
+            VerticalOptions="Center"
+            MaximumWidthRequest="500">
 
-            <Label x:Name="NumbersLabel" Text="Click Play to Begin" HorizontalOptions="Center" FontSize="Medium"  />
+            <!-- Header -->
+            <Label 
+                Text="🎰 Lottery Generator"
+                FontSize="32"
+                FontAttributes="Bold"
+                HorizontalOptions="Center"
+                TextColor="{AppThemeBinding Light=#2C3E50, Dark=#ECF0F1}"
+                Margin="0,20,0,10"/>
+
+            <!-- Card Container -->
+            <Border 
+                BackgroundColor="{AppThemeBinding Light=White, Dark=#2D2D30}"
+                StrokeThickness="0"
+                Padding="25"
+                Margin="10,0"
+                Shadow="{Shadow Brush={AppThemeBinding Light=#40000000, Dark=#60000000}, Offset='0,4', Radius=8, Opacity=0.3}">
+                <Border.StrokeShape>
+                    <RoundRectangle CornerRadius="16"/>
+                </Border.StrokeShape>
+
+                <VerticalStackLayout Spacing="20">
+                    
+                    <!-- Lottery Picker Section -->
+                    <Label 
+                        Text="Select Lottery"
+                        FontSize="14"
+                        FontAttributes="Bold"
+                        TextColor="{AppThemeBinding Light=#7F8C8D, Dark=#95A5A6}"
+                        Margin="0,0,0,-10"/>
+                    
+                    <Border
+                        BackgroundColor="{AppThemeBinding Light=#F8F9FA, Dark=#3E3E42}"
+                        StrokeThickness="1"
+                        Stroke="{AppThemeBinding Light=#E0E0E0, Dark=#4A4A4F}"
+                        Padding="12,8">
+                        <Border.StrokeShape>
+                            <RoundRectangle CornerRadius="8"/>
+                        </Border.StrokeShape>
+                        <Picker 
+                            x:Name="LotteryPicker" 
+                            Title="Pick your lottery" 
+                            SelectedIndexChanged="LotteryPicker_SelectedIndexChanged"
+                            TextColor="{AppThemeBinding Light=#2C3E50, Dark=#ECF0F1}"
+                            TitleColor="{AppThemeBinding Light=#95A5A6, Dark=#7F8C8D}"
+                            FontSize="16"
+                            BackgroundColor="Transparent"/>
+                    </Border>
+
+                    <!-- Results Section -->
+                    <BoxView 
+                        HeightRequest="1" 
+                        Color="{AppThemeBinding Light=#E0E0E0, Dark=#4A4A4F}"
+                        Margin="0,10"/>
+
+                    <Label 
+                        Text="Your Numbers"
+                        FontSize="14"
+                        FontAttributes="Bold"
+                        TextColor="{AppThemeBinding Light=#7F8C8D, Dark=#95A5A6}"
+                        Margin="0,0,0,-10"/>
+
+                    <Border
+                        BackgroundColor="{AppThemeBinding Light=#E8F5E9, Dark=#1B3A1E}"
+                        StrokeThickness="0"
+                        Padding="20"
+                        MinimumHeightRequest="80">
+                        <Border.StrokeShape>
+                            <RoundRectangle CornerRadius="12"/>
+                        </Border.StrokeShape>
+                        <Label 
+                            x:Name="NumbersLabel" 
+                            Text="Click Play to Begin" 
+                            HorizontalOptions="Center"
+                            VerticalOptions="Center"
+                            FontSize="18"
+                            FontAttributes="Bold"
+                            TextColor="{AppThemeBinding Light=#27AE60, Dark=#52C77A}"
+                            HorizontalTextAlignment="Center"/>
+                    </Border>
+
+                    <!-- Play Button -->
+                    <Button 
+                        x:Name="PlayButton" 
+                        Text="🎲 Play" 
+                        Clicked="PlayButton_Clicked"
+                        BackgroundColor="{AppThemeBinding Light=#3498DB, Dark=#2980B9}"
+                        TextColor="White"
+                        FontSize="18"
+                        FontAttributes="Bold"
+                        HeightRequest="56"
+                        CornerRadius="12"
+                        Margin="0,10,0,0"
+                        Shadow="{Shadow Brush=#40000000, Offset='0,2', Radius=6, Opacity=0.25}">
+                        <Button.Triggers>
+                            <Trigger TargetType="Button" Property="IsPressed" Value="True">
+                                <Setter Property="Scale" Value="0.96"/>
+                            </Trigger>
+                        </Button.Triggers>
+                    </Button>
+
+                </VerticalStackLayout>
+            </Border>
+
+            <!-- Footer -->
+            <Label 
+                Text="Good luck! 🍀"
+                FontSize="12"
+                HorizontalOptions="Center"
+                TextColor="{AppThemeBinding Light=#95A5A6, Dark=#7F8C8D}"
+                Margin="0,10,0,20"/>
 
-            <Button x:Name="PlayButton" Text="Play" Clicked="PlayButton_Clicked"/>
         </VerticalStackLayout>
     </ScrollView>
 

Lottery/MainPage.xaml.cs

@@ -3,19 +3,19 @@
     public partial class MainPage : ContentPage
     {
         readonly List<Lottery> Lotteries = [
-            new UKLottoLottery(), 
+            new LottoLottery(), 
             new EuroMillionsLottery(), 
             new SetForLifeLottery(), 
             new ThunderballLottery()
         ];
-        const KindOfLottery DefaultLottery = KindOfLottery.Uk;
+        const KindOfLottery DefaultLottery = KindOfLottery.Lotto;
         Lottery Lottery;
 
         public MainPage()
         {
             InitializeComponent();
 
-            List<string> lottos = ["UK Lotto", "EuroMillions", "Set For Life", "Thunderball"];
+            List<string> lottos = ["Lotto", "EuroMillions", "Set For Life", "Thunderball"];
             LotteryPicker.ItemsSource = lottos;
             LotteryPicker.SelectedIndex = (int)DefaultLottery;