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:net="using:PalladiumWallet.Core.Net"
        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/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.settings]}"
                      Command="{Binding OpenSettingsCommand}"/>
        </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 0 (primo avvio): dove salvare i dati -->
                <StackPanel IsVisible="{Binding IsStepDataLocation}" Spacing="12">
                    <TextBlock Text="{Binding Loc[wiz.data.title]}" FontSize="18" FontWeight="Bold"/>
                    <TextBlock Text="{Binding Loc[wiz.data.info]}" TextWrapping="Wrap" Foreground="Gray"/>
                    <StackPanel Spacing="4">
                        <TextBlock Text="{Binding Loc[wiz.data.default]}" FontSize="11" Foreground="Gray"/>
                        <SelectableTextBlock Text="{Binding DefaultDataPath}"
                                             FontFamily="monospace" FontSize="13" TextWrapping="Wrap"/>
                    </StackPanel>
                    <Button Content="{Binding Loc[wiz.data.usedefault]}" FontSize="16" Classes="accent"
                            HorizontalAlignment="Stretch" HorizontalContentAlignment="Center"
                            Command="{Binding UseDefaultDataLocationCommand}"/>
                    <Button Content="{Binding Loc[wiz.data.choose]}" FontSize="16"
                            HorizontalAlignment="Stretch" HorizontalContentAlignment="Center"
                            Click="OnChooseDataFolderClick"/>
                </StackPanel>

                <!-- 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: scelta del wallet (più file presenti) -->
                <StackPanel IsVisible="{Binding IsStepChooseWallet}" Spacing="12">
                    <TextBlock Text="{Binding Loc[wiz.choose.title]}" FontSize="18" FontWeight="Bold"/>
                    <ItemsControl ItemsSource="{Binding WalletList}">
                        <ItemsControl.ItemTemplate>
                            <DataTemplate x:DataType="vm:WalletFileEntry">
                                <Button Content="{Binding Name}" FontFamily="monospace"
                                        HorizontalAlignment="Stretch" HorizontalContentAlignment="Left"
                                        Margin="0,0,0,6"
                                        Command="{Binding $parent[ItemsControl].((vm:MainWindowViewModel)DataContext).ChooseWalletCommand}"
                                        CommandParameter="{Binding}"/>
                            </DataTemplate>
                        </ItemsControl.ItemTemplate>
                    </ItemsControl>
                    <Button Content="{Binding Loc[wiz.back]}" Command="{Binding WizardBackCommand}"/>
                </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 (cifratura, stile Electrum) -->
                <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}"/>
                    <TextBox PlaceholderText="{Binding Loc[wiz.password.confirm]}"
                             PasswordChar="●" Text="{Binding ConfirmPasswordInput}"/>
                    <CheckBox Content="{Binding Loc[wiz.password.encrypt]}"
                              IsChecked="{Binding EncryptWallet}"/>
                    <TextBlock Text="{Binding Loc[wiz.password.encrypt.hint]}"
                               Foreground="Gray" FontSize="12" TextWrapping="Wrap"
                               IsVisible="{Binding !EncryptWallet}"/>
                    <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,*" IsVisible="{Binding IsWalletOpen}" Margin="16">

            <!-- Testata: saldo + rete. Connetti/sincronizza è automatico; chiudi
                 wallet è in File. Lo stato connessione è nella barra in basso. -->
            <StackPanel Grid.Row="0" Spacing="2" Margin="0,0,0,12">
                <TextBlock Text="{Binding BalanceText}" FontSize="30" FontWeight="Bold"/>
                <TextBlock Text="{Binding UnconfirmedText}" Foreground="Orange"/>
                <TextBlock Text="{Binding NetworkInfo}" FontSize="12" Foreground="Gray"/>
            </StackPanel>

            <!-- Tab: Storico / Invia / Ricevi / Indirizzi / Contatti -->
            <TabControl Grid.Row="1">

                <!-- 1. Storico -->
                <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>

                <!-- 2. Invia -->
                <TabItem Header="{Binding Loc[tab.send]}">
                    <StackPanel Spacing="10" Margin="8" MaxWidth="640" HorizontalAlignment="Left">
                        <!-- Contatto rapido -->
                        <StackPanel Orientation="Horizontal" Spacing="8">
                            <TextBlock Text="{Binding Loc[send.from.contact]}" VerticalAlignment="Center"/>
                            <ComboBox ItemsSource="{Binding Contacts}"
                                      SelectedItem="{Binding SendToContact}"
                                      PlaceholderText="{Binding Loc[send.contact.hint]}"
                                      MinWidth="220">
                                <ComboBox.ItemTemplate>
                                    <DataTemplate x:DataType="vm:ContactEntry">
                                        <TextBlock Text="{Binding Name}"/>
                                    </DataTemplate>
                                </ComboBox.ItemTemplate>
                            </ComboBox>
                        </StackPanel>
                        <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>

                <!-- 3. Ricevi -->
                <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"/>
                        <Border Background="White" Padding="12" CornerRadius="6"
                                HorizontalAlignment="Left"
                                IsVisible="{Binding ReceiveQr, Converter={x:Static ObjectConverters.IsNotNull}}">
                            <Image Source="{Binding ReceiveQr}" Width="220" Height="220"
                                   RenderOptions.BitmapInterpolationMode="None"/>
                        </Border>
                        <TextBlock Text="{Binding Loc[receive.hint]}"
                                   Foreground="Gray" FontSize="12" TextWrapping="Wrap"/>
                    </StackPanel>
                </TabItem>

                <!-- 4. Indirizzi -->
                <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}"
                                 SelectedItem="{Binding SelectedAddressRow}"
                                 x:Name="AddressesListBox"
                                 Tapped="OnAddressListTapped"
                                 PointerPressed="OnAddressListPointerPressed">
                            <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"/>
                                        <TextBlock 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>

                <!-- 5. Contatti -->
                <TabItem Header="{Binding Loc[tab.contacts]}">
                    <Grid RowDefinitions="Auto,*,Auto,Auto" Margin="4">
                        <!-- Intestazioni colonne -->
                        <Grid Grid.Row="0" ColumnDefinitions="180,*" Margin="12,4">
                            <TextBlock Grid.Column="0" Text="{Binding Loc[contacts.name]}" FontWeight="Bold"/>
                            <TextBlock Grid.Column="1" Text="{Binding Loc[contacts.address]}" FontWeight="Bold"/>
                        </Grid>
                        <!-- Lista contatti -->
                        <ListBox Grid.Row="1" ItemsSource="{Binding Contacts}"
                                 SelectedItem="{Binding SelectedContactInList}">
                            <ListBox.ItemTemplate>
                                <DataTemplate x:DataType="vm:ContactEntry">
                                    <Grid ColumnDefinitions="180,*">
                                        <TextBlock Grid.Column="0" Text="{Binding Name}"
                                                   VerticalAlignment="Center"/>
                                        <SelectableTextBlock Grid.Column="1" Text="{Binding Address}"
                                                             FontFamily="monospace" FontSize="12"
                                                             VerticalAlignment="Center"/>
                                    </Grid>
                                </DataTemplate>
                            </ListBox.ItemTemplate>
                        </ListBox>
                        <!-- Pulsante rimuovi selezionato -->
                        <Button Grid.Row="2" Content="{Binding Loc[contacts.remove]}"
                                Command="{Binding RemoveSelectedContactCommand}"
                                IsEnabled="{Binding SelectedContactInList, Converter={x:Static ObjectConverters.IsNotNull}}"
                                Margin="0,6,0,0"/>
                        <!-- Form aggiungi contatto -->
                        <Grid Grid.Row="3" ColumnDefinitions="180,*,Auto" Margin="0,8,0,0">
                            <TextBox Grid.Column="0" PlaceholderText="{Binding Loc[contacts.name.ph]}"
                                     Text="{Binding NewContactName}" Margin="0,0,6,0"/>
                            <TextBox Grid.Column="1" PlaceholderText="{Binding Loc[contacts.address.ph]}"
                                     Text="{Binding NewContactAddress}" FontFamily="monospace"
                                     Margin="0,0,6,0"/>
                            <Button Grid.Column="2" Content="{Binding Loc[contacts.add]}"
                                    Command="{Binding AddContactCommand}"/>
                        </Grid>
                    </Grid>
                </TabItem>

            </TabControl>
        </Grid>

        <!-- Barra di stato: messaggio a sinistra, stato connessione a destra.
             Lo stato connessione è cliccabile e apre le impostazioni del server. -->
        <Border Grid.Row="2" Background="{DynamicResource SystemControlBackgroundChromeMediumBrush}"
                Padding="10,6">
            <Grid ColumnDefinitions="*,Auto">
                <TextBlock Grid.Column="0" Text="{Binding StatusMessage}" FontSize="12"
                           TextWrapping="Wrap" VerticalAlignment="Center"/>
                <StackPanel Grid.Column="1" Orientation="Horizontal" Spacing="6"
                            Margin="12,0,0,0" VerticalAlignment="Center"
                            Cursor="Hand" Background="Transparent"
                            ToolTip.Tip="{Binding Loc[server.title]}"
                            Tapped="OnConnectionStatusTapped">
                    <Ellipse Width="10" Height="10" Fill="LimeGreen" VerticalAlignment="Center"
                             IsVisible="{Binding IsConnected}"/>
                    <Ellipse Width="10" Height="10" Fill="IndianRed" VerticalAlignment="Center"
                             IsVisible="{Binding !IsConnected}"/>
                    <TextBlock Text="{Binding ConnectionStatus}" FontSize="12"
                               Foreground="{DynamicResource SystemAccentColor}"
                               VerticalAlignment="Center"/>
                </StackPanel>
            </Grid>
        </Border>

        <!-- ============ OVERLAY DETTAGLIO INDIRIZZO ============ -->
        <!-- Overlay in-app invece di una Window separata: apertura/chiusura
             istantanee (niente create/destroy di una top-level window). -->
        <Border Grid.Row="0" Grid.RowSpan="3"
                Background="#99000000"
                Tapped="OnAddressOverlayBackdropTapped"
                IsVisible="{Binding AddressInfo, Converter={x:Static ObjectConverters.IsNotNull}}">
            <Border Background="{DynamicResource SystemControlBackgroundChromeMediumLowBrush}"
                    BorderBrush="Gray" BorderThickness="1" CornerRadius="8"
                    Width="560" Padding="0"
                    HorizontalAlignment="Center" VerticalAlignment="Center"
                    DataContext="{Binding AddressInfo}">
                <StackPanel Margin="24" Spacing="16">
                    <TextBlock Text="{Binding Loc[addr.info.title]}"
                               FontSize="18" FontWeight="Bold"/>

                    <!-- Indirizzo -->
                    <StackPanel Spacing="4">
                        <TextBlock Text="{Binding Loc[addr.address]}" FontSize="11" Foreground="Gray"/>
                        <SelectableTextBlock Text="{Binding Address}"
                                             FontFamily="monospace" FontSize="13"
                                             TextWrapping="Wrap"/>
                    </StackPanel>

                    <!-- Derivation path -->
                    <StackPanel Spacing="4">
                        <TextBlock Text="{Binding Loc[addr.derivpath]}" FontSize="11" Foreground="Gray"/>
                        <SelectableTextBlock Text="{Binding DerivPath}"
                                             FontFamily="monospace" FontSize="13"/>
                    </StackPanel>

                    <!-- Chiave pubblica -->
                    <StackPanel Spacing="4">
                        <TextBlock Text="{Binding Loc[addr.pubkey]}" FontSize="11" Foreground="Gray"/>
                        <SelectableTextBlock Text="{Binding PubKey}"
                                             FontFamily="monospace" FontSize="12"
                                             TextWrapping="Wrap"/>
                    </StackPanel>

                    <!-- Chiave privata (solo se disponibile) -->
                    <StackPanel Spacing="4" IsVisible="{Binding HasPrivKey}">
                        <TextBlock Text="{Binding Loc[addr.privkey]}" FontSize="11" Foreground="OrangeRed"/>
                        <SelectableTextBlock Text="{Binding PrivKey}"
                                             FontFamily="monospace" FontSize="12"
                                             Foreground="OrangeRed"
                                             TextWrapping="Wrap"/>
                    </StackPanel>

                    <Button Content="{Binding Loc[addr.close]}"
                            HorizontalAlignment="Right"
                            Command="{Binding $parent[Window].((vm:MainWindowViewModel)DataContext).CloseAddressInfoCommand}"/>
                </StackPanel>
            </Border>
        </Border>

        <!-- ============ OVERLAY IMPOSTAZIONI SERVER ============ -->
        <!-- Stesso pattern dell'overlay indirizzo: apertura/chiusura istantanee.
             Accessibile da Impostazioni → Server. -->
        <Border Grid.Row="0" Grid.RowSpan="3"
                Background="#99000000"
                Tapped="OnServerOverlayBackdropTapped"
                IsVisible="{Binding IsServerSettingsOpen}">
            <Border Background="{DynamicResource SystemControlBackgroundChromeMediumLowBrush}"
                    BorderBrush="Gray" BorderThickness="1" CornerRadius="8"
                    Width="560" MaxHeight="540"
                    HorizontalAlignment="Center" VerticalAlignment="Center">
                <StackPanel Margin="24" Spacing="14">
                    <TextBlock Text="{Binding Loc[server.title]}"
                               FontSize="18" FontWeight="Bold"/>

                    <!-- Host + porta separati -->
                    <Grid ColumnDefinitions="*,Auto,Auto" RowDefinitions="Auto,Auto">
                        <TextBlock Grid.Row="0" Grid.Column="0" Text="{Binding Loc[server.host]}"
                                   FontSize="11" Foreground="Gray"/>
                        <TextBlock Grid.Row="0" Grid.Column="1" Text="{Binding Loc[server.port]}"
                                   FontSize="11" Foreground="Gray" Margin="10,0,0,0" Width="90"/>
                        <TextBlock Grid.Row="0" Grid.Column="2" Text="TLS"
                                   FontSize="11" Foreground="Gray" Margin="10,0,0,0"/>
                        <TextBox Grid.Row="1" Grid.Column="0" Text="{Binding ServerHost}"
                                 FontFamily="monospace" Margin="0,2,0,0"/>
                        <TextBox Grid.Row="1" Grid.Column="1" Text="{Binding ServerPort}"
                                 FontFamily="monospace" Width="90" Margin="10,2,0,0"/>
                        <CheckBox Grid.Row="1" Grid.Column="2" IsChecked="{Binding UseSsl}"
                                  Margin="10,2,0,0" VerticalAlignment="Center"/>
                    </Grid>

                    <!-- Azioni -->
                    <StackPanel Orientation="Horizontal" Spacing="8">
                        <Button Content="{Binding Loc[wallet.connect]}" Classes="accent"
                                Command="{Binding ConnectAndSyncCommand}" IsEnabled="{Binding !IsSyncing}"/>
                        <Button Content="{Binding Loc[wallet.discover]}"
                                Command="{Binding DiscoverServersCommand}"/>
                        <Button Content="{Binding Loc[wallet.resetcert]}"
                                Command="{Binding ResetCertificatesCommand}"/>
                    </StackPanel>

                    <!-- Stato connessione -->
                    <StackPanel Orientation="Horizontal" Spacing="6">
                        <Ellipse Width="10" Height="10" Fill="LimeGreen" VerticalAlignment="Center"
                                 IsVisible="{Binding IsConnected}"/>
                        <Ellipse Width="10" Height="10" Fill="IndianRed" VerticalAlignment="Center"
                                 IsVisible="{Binding !IsConnected}"/>
                        <TextBlock Text="{Binding ConnectionStatus}" Foreground="Gray"
                                   VerticalAlignment="Center"/>
                    </StackPanel>

                    <!-- Server conosciuti: clicca per riempire host/porta -->
                    <TextBlock Text="{Binding Loc[server.known]}" FontSize="11" Foreground="Gray"/>
                    <ListBox ItemsSource="{Binding KnownServers}"
                             SelectedItem="{Binding SelectedKnownServer}"
                             MaxHeight="200">
                        <ListBox.Styles>
                            <Style Selector="ListBox:empty">
                                <Setter Property="Template">
                                    <ControlTemplate>
                                        <TextBlock Text="{Binding Loc[server.empty]}"
                                                   Foreground="Gray" FontSize="12"
                                                   TextWrapping="Wrap" Margin="8"/>
                                    </ControlTemplate>
                                </Setter>
                            </Style>
                        </ListBox.Styles>
                        <ListBox.ItemTemplate>
                            <DataTemplate x:DataType="net:KnownServer">
                                <Grid ColumnDefinitions="*,Auto">
                                    <TextBlock Grid.Column="0" Text="{Binding Host}"
                                               FontFamily="monospace" FontSize="13"
                                               VerticalAlignment="Center"/>
                                    <TextBlock Grid.Column="1" FontSize="11" Foreground="Gray"
                                               VerticalAlignment="Center">
                                        <Run Text="tcp"/><Run Text="{Binding TcpPort}"/>
                                        <Run Text=" / ssl"/><Run Text="{Binding SslPort}"/>
                                    </TextBlock>
                                </Grid>
                            </DataTemplate>
                        </ListBox.ItemTemplate>
                    </ListBox>

                    <Button Content="{Binding Loc[addr.close]}"
                            HorizontalAlignment="Right"
                            Command="{Binding CloseServerSettingsCommand}"/>
                </StackPanel>
            </Border>
        </Border>

        <!-- ============ OVERLAY IMPOSTAZIONI ============ -->
        <!-- In-app invece dei sottomenu annidati: niente popup OS lenti su WSLg. -->
        <Border Grid.Row="0" Grid.RowSpan="3"
                Background="#99000000"
                Tapped="OnSettingsOverlayBackdropTapped"
                IsVisible="{Binding IsSettingsOpen}">
            <Border Background="{DynamicResource SystemControlBackgroundChromeMediumLowBrush}"
                    BorderBrush="Gray" BorderThickness="1" CornerRadius="8"
                    Width="460"
                    HorizontalAlignment="Center" VerticalAlignment="Center">
                <StackPanel Margin="24" Spacing="16">
                    <TextBlock Text="{Binding Loc[settings.title]}"
                               FontSize="18" FontWeight="Bold"/>

                    <!-- Lingua -->
                    <StackPanel Spacing="6">
                        <TextBlock Text="{Binding Loc[settings.language]}" FontSize="11" Foreground="Gray"/>
                        <WrapPanel>
                            <RadioButton GroupName="lang" Content="Italiano" Margin="0,0,14,4"
                                         IsChecked="{Binding IsLangIt, Mode=OneWay}"
                                         Command="{Binding SetLanguageCommand}" CommandParameter="it"/>
                            <RadioButton GroupName="lang" Content="English" Margin="0,0,14,4"
                                         IsChecked="{Binding IsLangEn, Mode=OneWay}"
                                         Command="{Binding SetLanguageCommand}" CommandParameter="en"/>
                            <RadioButton GroupName="lang" Content="Español" Margin="0,0,14,4"
                                         IsChecked="{Binding IsLangEs, Mode=OneWay}"
                                         Command="{Binding SetLanguageCommand}" CommandParameter="es"/>
                            <RadioButton GroupName="lang" Content="Français" Margin="0,0,14,4"
                                         IsChecked="{Binding IsLangFr, Mode=OneWay}"
                                         Command="{Binding SetLanguageCommand}" CommandParameter="fr"/>
                            <RadioButton GroupName="lang" Content="Português" Margin="0,0,14,4"
                                         IsChecked="{Binding IsLangPt, Mode=OneWay}"
                                         Command="{Binding SetLanguageCommand}" CommandParameter="pt"/>
                            <RadioButton GroupName="lang" Content="Deutsch" Margin="0,0,14,4"
                                         IsChecked="{Binding IsLangDe, Mode=OneWay}"
                                         Command="{Binding SetLanguageCommand}" CommandParameter="de"/>
                        </WrapPanel>
                    </StackPanel>

                    <!-- Unità -->
                    <StackPanel Spacing="6">
                        <TextBlock Text="{Binding Loc[settings.unit]}" FontSize="11" Foreground="Gray"/>
                        <WrapPanel>
                            <RadioButton GroupName="unit" Content="PLM" Margin="0,0,14,4"
                                         IsChecked="{Binding IsUnitPlm, Mode=OneWay}"
                                         Command="{Binding SetUnitCommand}" CommandParameter="PLM"/>
                            <RadioButton GroupName="unit" Content="mPLM" Margin="0,0,14,4"
                                         IsChecked="{Binding IsUnitMilli, Mode=OneWay}"
                                         Command="{Binding SetUnitCommand}" CommandParameter="mPLM"/>
                            <RadioButton GroupName="unit" Content="µPLM" Margin="0,0,14,4"
                                         IsChecked="{Binding IsUnitMicro, Mode=OneWay}"
                                         Command="{Binding SetUnitCommand}" CommandParameter="µPLM"/>
                            <RadioButton GroupName="unit" Content="sat" Margin="0,0,14,4"
                                         IsChecked="{Binding IsUnitSat, Mode=OneWay}"
                                         Command="{Binding SetUnitCommand}" CommandParameter="sat"/>
                        </WrapPanel>
                    </StackPanel>

                    <!-- Server di indicizzazione (configurabile anche prima di aprire un wallet) -->
                    <Button Content="{Binding Loc[settings.server]}"
                            HorizontalAlignment="Left"
                            Command="{Binding OpenServerSettingsCommand}"/>

                    <Button Content="{Binding Loc[addr.close]}"
                            HorizontalAlignment="Right"
                            Command="{Binding CloseSettingsCommand}"/>
                </StackPanel>
            </Border>
        </Border>
    </Grid>
</Window>