PalladiumWallet/src/App/Views/MainWindow.axaml

<Window xmlns="https://github.com/avaloniaui"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:vm="using:PalladiumWallet.App.ViewModels"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        mc:Ignorable="d" d:DesignWidth="900" d:DesignHeight="620"
        x:Class="PalladiumWallet.App.Views.MainWindow"
        x:DataType="vm:MainWindowViewModel"
        Icon="/Assets/avalonia-logo.ico"
        Width="900" Height="620"
        Title="Palladium Wallet">

    <Design.DataContext>
        <vm:MainWindowViewModel/>
    </Design.DataContext>

    <Grid RowDefinitions="Auto,*,Auto">

        <!-- ============ MENU (stile Electrum) ============ -->
        <Menu Grid.Row="0">
            <MenuItem Header="{Binding Loc[menu.file]}">
                <MenuItem Header="{Binding Loc[menu.file.new]}" Command="{Binding NewWalletCommand}"/>
                <MenuItem Header="{Binding Loc[menu.file.open]}" Click="OnOpenWalletFileClick"/>
                <Separator/>
                <MenuItem Header="{Binding Loc[menu.file.close]}" Command="{Binding CloseWalletCommand}"
                          IsEnabled="{Binding IsWalletOpen}"/>
            </MenuItem>
            <MenuItem Header="{Binding Loc[menu.net]}">
                <MenuItem Header="{Binding Loc[menu.net.discover]}" Command="{Binding DiscoverServersCommand}"/>
                <MenuItem Header="{Binding Loc[menu.net.resetcerts]}" Command="{Binding ResetCertificatesCommand}"/>
            </MenuItem>
            <MenuItem Header="{Binding Loc[menu.settings]}">
                <MenuItem Header="{Binding Loc[settings.language]}">
                    <MenuItem Header="Italiano" ToggleType="Radio"
                              IsChecked="{Binding IsLangIt, Mode=OneWay}"
                              Command="{Binding SetLanguageCommand}" CommandParameter="it"/>
                    <MenuItem Header="English" ToggleType="Radio"
                              IsChecked="{Binding IsLangEn, Mode=OneWay}"
                              Command="{Binding SetLanguageCommand}" CommandParameter="en"/>
                </MenuItem>
                <MenuItem Header="{Binding Loc[settings.unit.short]}">
                    <MenuItem Header="PLM" ToggleType="Radio"
                              IsChecked="{Binding IsUnitPlm, Mode=OneWay}"
                              Command="{Binding SetUnitCommand}" CommandParameter="PLM"/>
                    <MenuItem Header="mPLM" ToggleType="Radio"
                              IsChecked="{Binding IsUnitMilli, Mode=OneWay}"
                              Command="{Binding SetUnitCommand}" CommandParameter="mPLM"/>
                    <MenuItem Header="µPLM" ToggleType="Radio"
                              IsChecked="{Binding IsUnitMicro, Mode=OneWay}"
                              Command="{Binding SetUnitCommand}" CommandParameter="µPLM"/>
                    <MenuItem Header="sat" ToggleType="Radio"
                              IsChecked="{Binding IsUnitSat, Mode=OneWay}"
                              Command="{Binding SetUnitCommand}" CommandParameter="sat"/>
                </MenuItem>
            </MenuItem>
        </Menu>

        <!-- ============ WIZARD DI SETUP (§15): un passo alla volta ============ -->
        <ScrollViewer Grid.Row="1" IsVisible="{Binding IsSetupVisible}">
            <StackPanel MaxWidth="560" Margin="24,40" Spacing="18"
                        HorizontalAlignment="Center">
                <TextBlock Text="Palladium Wallet" FontSize="28" FontWeight="Bold"
                           HorizontalAlignment="Center"/>

                <!-- Passo 1: scelta iniziale -->
                <StackPanel IsVisible="{Binding IsStepStart}" Spacing="12">
                    <StackPanel Orientation="Horizontal" Spacing="10" HorizontalAlignment="Center">
                        <TextBlock Text="{Binding Loc[wiz.net]}" VerticalAlignment="Center"/>
                        <ComboBox ItemsSource="{Binding Networks}"
                                  SelectedItem="{Binding SelectedNetwork}" MinWidth="140"/>
                    </StackPanel>
                    <Button Content="{Binding Loc[wiz.open.btn]}" FontSize="16"
                            HorizontalAlignment="Stretch" HorizontalContentAlignment="Center"
                            IsVisible="{Binding WalletFileExists}"
                            Command="{Binding WizardStartOpenCommand}"/>
                    <Button Content="{Binding Loc[wiz.new.btn]}" FontSize="16"
                            HorizontalAlignment="Stretch" HorizontalContentAlignment="Center"
                            Command="{Binding WizardStartNewCommand}"/>
                    <Button Content="{Binding Loc[wiz.restore.btn]}" FontSize="16"
                            HorizontalAlignment="Stretch" HorizontalContentAlignment="Center"
                            Command="{Binding WizardStartRestoreCommand}"/>
                </StackPanel>

                <!-- Passo: password del wallet esistente -->
                <StackPanel IsVisible="{Binding IsStepOpen}" Spacing="12">
                    <TextBlock Text="{Binding Loc[wiz.open.title]}" FontSize="18" FontWeight="Bold"/>
                    <TextBox PlaceholderText="{Binding Loc[wiz.open.placeholder]}"
                             PasswordChar="●" Text="{Binding PasswordInput}"/>
                    <StackPanel Orientation="Horizontal" Spacing="10">
                        <Button Content="{Binding Loc[wiz.back]}" Command="{Binding WizardBackCommand}"/>
                        <Button Content="{Binding Loc[wiz.open.ok]}" Classes="accent"
                                Command="{Binding OpenExistingCommand}"/>
                    </StackPanel>
                </StackPanel>

                <!-- Passo: mostra il nuovo seed -->
                <StackPanel IsVisible="{Binding IsStepShowSeed}" Spacing="12">
                    <TextBlock Text="{Binding Loc[wiz.seed.title]}" FontSize="18" FontWeight="Bold"/>
                    <Border BorderBrush="{DynamicResource SystemAccentColor}" BorderThickness="1"
                            CornerRadius="6" Padding="14">
                        <SelectableTextBlock Text="{Binding MnemonicInput}"
                                             FontFamily="monospace" FontSize="16" TextWrapping="Wrap"/>
                    </Border>
                    <TextBlock Foreground="Orange" TextWrapping="Wrap"
                               Text="{Binding Loc[wiz.seed.warning]}"/>
                    <StackPanel Orientation="Horizontal" Spacing="10">
                        <Button Content="{Binding Loc[wiz.back]}" Command="{Binding WizardBackCommand}"/>
                        <Button Content="{Binding Loc[wiz.seed.next]}" Classes="accent"
                                Command="{Binding WizardNextFromShowSeedCommand}"/>
                    </StackPanel>
                </StackPanel>

                <!-- Passo: conferma del seed -->
                <StackPanel IsVisible="{Binding IsStepConfirmSeed}" Spacing="12">
                    <TextBlock Text="{Binding Loc[wiz.confirm.title]}" FontSize="18" FontWeight="Bold"/>
                    <TextBox PlaceholderText="{Binding Loc[wiz.confirm.placeholder]}"
                             AcceptsReturn="False" Text="{Binding ConfirmMnemonicInput}"/>
                    <StackPanel Orientation="Horizontal" Spacing="10">
                        <Button Content="{Binding Loc[wiz.back]}" Command="{Binding WizardBackCommand}"/>
                        <Button Content="{Binding Loc[wiz.next]}" Classes="accent"
                                Command="{Binding WizardNextFromConfirmSeedCommand}"/>
                    </StackPanel>
                </StackPanel>

                <!-- Passo: inserimento seed (ripristino) -->
                <StackPanel IsVisible="{Binding IsStepWords}" Spacing="12">
                    <TextBlock Text="{Binding Loc[wiz.words.title]}" FontSize="18" FontWeight="Bold"/>
                    <TextBox PlaceholderText="{Binding Loc[wiz.words.placeholder]}"
                             AcceptsReturn="False" Text="{Binding MnemonicInput}"/>
                    <StackPanel Orientation="Horizontal" Spacing="10">
                        <Button Content="{Binding Loc[wiz.back]}" Command="{Binding WizardBackCommand}"/>
                        <Button Content="{Binding Loc[wiz.next]}" Classes="accent"
                                Command="{Binding WizardNextFromWordsCommand}"/>
                    </StackPanel>
                </StackPanel>

                <!-- Passo: passphrase opzionale -->
                <StackPanel IsVisible="{Binding IsStepPassphrase}" Spacing="12">
                    <TextBlock Text="{Binding Loc[wiz.passphrase.title]}" FontSize="18" FontWeight="Bold"/>
                    <TextBox PlaceholderText="{Binding Loc[wiz.passphrase.placeholder]}"
                             Text="{Binding PassphraseInput}"/>
                    <StackPanel Orientation="Horizontal" Spacing="10">
                        <Button Content="{Binding Loc[wiz.back]}" Command="{Binding WizardBackCommand}"/>
                        <Button Content="{Binding Loc[wiz.next]}" Classes="accent"
                                Command="{Binding WizardNextFromPassphraseCommand}"/>
                    </StackPanel>
                </StackPanel>

                <!-- Passo finale: password del file -->
                <StackPanel IsVisible="{Binding IsStepPassword}" Spacing="12">
                    <TextBlock Text="{Binding Loc[wiz.password.title]}" FontSize="18" FontWeight="Bold"/>
                    <TextBox PlaceholderText="{Binding Loc[wiz.password.placeholder]}"
                             PasswordChar="●" Text="{Binding PasswordInput}"/>
                    <StackPanel Orientation="Horizontal" Spacing="10">
                        <Button Content="{Binding Loc[wiz.back]}" Command="{Binding WizardBackCommand}"/>
                        <Button Content="{Binding Loc[wiz.password.create]}" Classes="accent"
                                Command="{Binding CreateOrRestoreCommand}"/>
                    </StackPanel>
                </StackPanel>
            </StackPanel>
        </ScrollViewer>

        <!-- ============ PANNELLO WALLET ============ -->
        <Grid Grid.Row="1" RowDefinitions="Auto,Auto,*" IsVisible="{Binding IsWalletOpen}" Margin="16">

            <!-- Testata: saldo + rete + chiudi -->
            <Grid Grid.Row="0" ColumnDefinitions="*,Auto">
                <StackPanel Grid.Column="0" Spacing="2">
                    <TextBlock Text="{Binding BalanceText}" FontSize="30" FontWeight="Bold"/>
                    <TextBlock Text="{Binding UnconfirmedText}" Foreground="Orange"/>
                    <TextBlock Text="{Binding NetworkInfo}" FontSize="12" Foreground="Gray"/>
                </StackPanel>
                <Button Grid.Column="1" Content="{Binding Loc[wallet.close]}" VerticalAlignment="Top"
                        Command="{Binding CloseWalletCommand}"/>
            </Grid>

            <!-- Server -->
            <Border Grid.Row="1" Margin="0,12,0,12" Padding="10"
                    BorderBrush="Gray" BorderThickness="1" CornerRadius="6">
                <Grid RowDefinitions="Auto,Auto" ColumnDefinitions="Auto,*,Auto,Auto">
                    <TextBlock Grid.Row="0" Grid.Column="0" Text="{Binding Loc[wallet.server]}"
                               VerticalAlignment="Center" Margin="0,0,8,0"/>
                    <ComboBox Grid.Row="0" Grid.Column="1"
                              ItemsSource="{Binding KnownServers}"
                              SelectedItem="{Binding SelectedKnownServer}"
                              HorizontalAlignment="Stretch"/>
                    <CheckBox Grid.Row="0" Grid.Column="2" Content="TLS"
                              IsChecked="{Binding UseSsl}" Margin="8,0"/>
                    <Button Grid.Row="0" Grid.Column="3" Content="{Binding Loc[wallet.connect]}"
                            Command="{Binding ConnectAndSyncCommand}" IsEnabled="{Binding !IsSyncing}"/>

                    <StackPanel Grid.Row="1" Grid.Column="1" Orientation="Horizontal"
                                Spacing="8" Margin="0,8,0,0">
                        <TextBox Text="{Binding ServerInput}" MinWidth="220"
                                 PlaceholderText="{Binding Loc[wallet.manual]}"/>
                        <Button Content="{Binding Loc[wallet.discover]}"
                                Command="{Binding DiscoverServersCommand}"/>
                        <Button Content="{Binding Loc[wallet.resetcert]}"
                                Command="{Binding ResetCertificatesCommand}"/>
                    </StackPanel>
                    <StackPanel Grid.Row="1" Grid.Column="2" Grid.ColumnSpan="2"
                                Orientation="Horizontal" Spacing="6" Margin="8,8,0,0"
                                VerticalAlignment="Center">
                        <Ellipse Width="10" Height="10" Fill="LimeGreen"
                                 IsVisible="{Binding IsConnected}"/>
                        <Ellipse Width="10" Height="10" Fill="IndianRed"
                                 IsVisible="{Binding !IsConnected}"/>
                        <TextBlock Text="{Binding ConnectionStatus}" Foreground="Gray"/>
                    </StackPanel>
                </Grid>
            </Border>

            <!-- Tab: Ricevi / Storico / Indirizzi / Invia -->
            <TabControl Grid.Row="2">
                <TabItem Header="{Binding Loc[tab.receive]}">
                    <StackPanel Spacing="10" Margin="8">
                        <TextBlock Text="{Binding Loc[receive.next]}"/>
                        <SelectableTextBlock Text="{Binding ReceiveAddress}"
                                             FontFamily="monospace" FontSize="16"/>
                        <TextBlock Text="{Binding Loc[receive.hint]}"
                                   Foreground="Gray" FontSize="12" TextWrapping="Wrap"/>
                    </StackPanel>
                </TabItem>

                <TabItem Header="{Binding Loc[tab.history]}">
                    <ListBox ItemsSource="{Binding History}" Margin="4">
                        <ListBox.ItemTemplate>
                            <DataTemplate x:DataType="vm:HistoryRow">
                                <Grid ColumnDefinitions="90,160,*,70">
                                    <TextBlock Grid.Column="0" Text="{Binding Conferma}" Foreground="Gray"/>
                                    <TextBlock Grid.Column="1" Text="{Binding Importo}" FontFamily="monospace"/>
                                    <SelectableTextBlock Grid.Column="2" Text="{Binding Txid}"
                                                         FontFamily="monospace" FontSize="12"/>
                                    <TextBlock Grid.Column="3" Text="{Binding Verificata}" Foreground="Green"/>
                                </Grid>
                            </DataTemplate>
                        </ListBox.ItemTemplate>
                    </ListBox>
                </TabItem>

                <TabItem Header="{Binding Loc[tab.addresses]}">
                    <Grid RowDefinitions="Auto,*" Margin="4">
                        <Grid Grid.Row="0" ColumnDefinitions="90,60,*,140,60" Margin="12,4">
                            <TextBlock Grid.Column="0" Text="{Binding Loc[addr.type]}" FontWeight="Bold"/>
                            <TextBlock Grid.Column="1" Text="{Binding Loc[addr.index]}" FontWeight="Bold"/>
                            <TextBlock Grid.Column="2" Text="{Binding Loc[addr.address]}" FontWeight="Bold"/>
                            <TextBlock Grid.Column="3" Text="{Binding Loc[addr.balance]}" FontWeight="Bold"/>
                            <TextBlock Grid.Column="4" Text="Tx" FontWeight="Bold"/>
                        </Grid>
                        <ListBox Grid.Row="1" ItemsSource="{Binding Addresses}">
                            <ListBox.ItemTemplate>
                                <DataTemplate x:DataType="vm:AddressRow">
                                    <Grid ColumnDefinitions="90,60,*,140,60">
                                        <TextBlock Grid.Column="0" Text="{Binding Tipo}" Foreground="Gray"/>
                                        <TextBlock Grid.Column="1" Text="{Binding Indice}" Foreground="Gray"/>
                                        <SelectableTextBlock Grid.Column="2" Text="{Binding Indirizzo}"
                                                             FontFamily="monospace" FontSize="13"/>
                                        <TextBlock Grid.Column="3" Text="{Binding Saldo}" FontFamily="monospace"/>
                                        <TextBlock Grid.Column="4" Text="{Binding NumTx}" Foreground="Gray"/>
                                    </Grid>
                                </DataTemplate>
                            </ListBox.ItemTemplate>
                        </ListBox>
                    </Grid>
                </TabItem>

                <TabItem Header="{Binding Loc[tab.send]}">
                    <StackPanel Spacing="10" Margin="8" MaxWidth="640" HorizontalAlignment="Left">
                        <TextBox PlaceholderText="{Binding Loc[send.to]}" Text="{Binding SendTo}"
                                 FontFamily="monospace"/>
                        <Grid ColumnDefinitions="*,Auto,Auto,Auto">
                            <TextBox Grid.Column="0" PlaceholderText="{Binding Loc[send.amount]}"
                                     Text="{Binding SendAmount}" IsEnabled="{Binding !SendAll}"/>
                            <TextBlock Grid.Column="1" Text="{Binding UnitLabel}"
                                       VerticalAlignment="Center" Margin="6,0" Foreground="Gray"/>
                            <CheckBox Grid.Column="2" Content="{Binding Loc[send.all]}" Margin="10,0"
                                      IsChecked="{Binding SendAll}"/>
                            <StackPanel Grid.Column="3" Orientation="Horizontal" Spacing="6">
                                <TextBlock Text="{Binding Loc[send.feerate]}" VerticalAlignment="Center"/>
                                <TextBox Text="{Binding SendFeeRate}" MinWidth="60"/>
                            </StackPanel>
                        </Grid>
                        <StackPanel Orientation="Horizontal" Spacing="10">
                            <Button Content="{Binding Loc[send.prepare]}" Command="{Binding PrepareSendCommand}"/>
                            <Button Content="{Binding Loc[send.confirm]}" Classes="accent"
                                    Command="{Binding ConfirmSendCommand}"
                                    IsEnabled="{Binding HasPendingSend}"/>
                        </StackPanel>
                        <SelectableTextBlock Text="{Binding SendPreview}" TextWrapping="Wrap"
                                             FontSize="13"/>
                    </StackPanel>
                </TabItem>
            </TabControl>
        </Grid>

        <!-- Barra di stato -->
        <Border Grid.Row="2" Background="{DynamicResource SystemControlBackgroundChromeMediumBrush}"
                Padding="10,6">
            <TextBlock Text="{Binding StatusMessage}" FontSize="12" TextWrapping="Wrap"/>
        </Border>
    </Grid>
</Window>