PalladiumWallet/src/App/Views/MainView.axaml

<UserControl 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.MainView"
        x:DataType="vm:MainWindowViewModel">

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

    <UserControl.Styles>
        <!-- Su desktop gli overlay card sono centrati con dimensione massima;
             su mobile il default (stretch, nessun margine) occupa tutta la schermata. -->
        <Style Selector="Border.desktop-overlay">
            <Setter Property="MaxWidth" Value="540"/>
            <Setter Property="MaxHeight" Value="540"/>
            <Setter Property="Margin" Value="16"/>
            <Setter Property="HorizontalAlignment" Value="Center"/>
            <Setter Property="VerticalAlignment" Value="Center"/>
            <Setter Property="CornerRadius" Value="8"/>
        </Style>
    </UserControl.Styles>

    <Grid RowDefinitions="Auto,*,Auto" Background="{DynamicResource AppBackgroundBrush}">

        <!-- ============ MENU (stile Electrum) ============ -->
        <Menu Grid.Row="0" IsVisible="{Binding IsDesktop}">
            <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"
                          IsVisible="{Binding IsDesktop}"/>
                <Separator/>
                <MenuItem Header="{Binding Loc[menu.file.close]}" Command="{Binding CloseWalletCommand}"
                          IsEnabled="{Binding IsWalletOpen}"/>
            </MenuItem>
            <MenuItem Header="{Binding Loc[menu.settings]}"
                      Command="{Binding OpenSettingsCommand}"/>
            <MenuItem Header="{Binding Loc[menu.help]}"
                      Command="{Binding OpenHelpCommand}"/>
        </Menu>

        <!-- Pulsanti Settings/Help mobile-only (il menu è nascosto su mobile) -->
        <StackPanel Grid.Row="0" Orientation="Horizontal" Spacing="8"
                    HorizontalAlignment="Right" Margin="8,4"
                    IsVisible="{Binding IsMobile}">
            <Button Content="{Binding Loc[menu.settings]}" Command="{Binding OpenSettingsCommand}"/>
            <Button Content="{Binding Loc[menu.help]}"     Command="{Binding OpenHelpCommand}"/>
        </StackPanel>

        <!-- ============ 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="{DynamicResource TextSecondaryBrush}"/>
                    <StackPanel Spacing="4">
                        <TextBlock Text="{Binding Loc[wiz.data.default]}" FontSize="11" Foreground="{DynamicResource TextSecondaryBrush}"/>
                        <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">
                    <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}"/>
                    <Button Content="{Binding Loc[wiz.importxkey.btn]}" FontSize="16"
                            HorizontalAlignment="Stretch" HorizontalContentAlignment="Center"
                            Command="{Binding WizardStartImportXkeyCommand}"/>
                    <Button Content="{Binding Loc[wiz.importwif.btn]}" FontSize="16"
                            HorizontalAlignment="Stretch" HorizontalContentAlignment="Center"
                            Command="{Binding WizardStartImportWifCommand}"/>
                </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="{DynamicResource WarningBrush}" 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: import xpub/xprv estesa (SLIP-132) -->
                <StackPanel IsVisible="{Binding IsStepImportXkey}" Spacing="12">
                    <TextBlock Text="{Binding Loc[wiz.importxkey.title]}" FontSize="18" FontWeight="Bold"/>
                    <TextBlock Text="{Binding Loc[wiz.importxkey.hint]}" TextWrapping="Wrap" Foreground="{DynamicResource TextSecondaryBrush}"/>
                    <TextBox PlaceholderText="{Binding Loc[wiz.importxkey.placeholder]}"
                             Text="{Binding ImportXkeyInput}" AcceptsReturn="False"/>
                    <TextBlock Text="{Binding ImportXkeyDetectedKind}"
                               IsVisible="{Binding ImportXkeyDetectedKind, Converter={x:Static StringConverters.IsNotNullOrEmpty}}"
                               Foreground="{DynamicResource SuccessBrush}" FontSize="12"/>
                    <StackPanel Orientation="Horizontal" Spacing="10">
                        <Button Content="{Binding Loc[wiz.back]}" Command="{Binding WizardBackCommand}"/>
                        <Button Content="{Binding Loc[wiz.next]}" Classes="accent"
                                Command="{Binding WizardNextFromImportXkeyCommand}"/>
                    </StackPanel>
                </StackPanel>

                <!-- Passo: import chiave WIF singola -->
                <StackPanel IsVisible="{Binding IsStepImportWif}" Spacing="12">
                    <TextBlock Text="{Binding Loc[wiz.importwif.title]}" FontSize="18" FontWeight="Bold"/>
                    <TextBlock Text="{Binding Loc[wiz.importwif.hint]}" TextWrapping="Wrap" Foreground="{DynamicResource TextSecondaryBrush}"/>
                    <TextBox PlaceholderText="{Binding Loc[wiz.importwif.placeholder]}"
                             Text="{Binding ImportWifInput}" AcceptsReturn="True" Height="80"/>
                    <StackPanel Orientation="Horizontal" Spacing="10">
                        <Button Content="{Binding Loc[wiz.back]}" Command="{Binding WizardBackCommand}"/>
                        <Button Content="{Binding Loc[wiz.next]}" Classes="accent"
                                Command="{Binding WizardNextFromImportWifCommand}"/>
                    </StackPanel>
                </StackPanel>

                <!-- Passo: scelta del tipo di script/indirizzi -->
                <StackPanel IsVisible="{Binding IsStepScriptType}" Spacing="12">
                    <TextBlock Text="{Binding Loc[wiz.scripttype.title]}" FontSize="18" FontWeight="Bold"/>
                    <TextBlock Text="{Binding Loc[wiz.scripttype.hint]}" TextWrapping="Wrap" Foreground="{DynamicResource TextSecondaryBrush}"/>

                    <RadioButton GroupName="ScriptType"
                                 IsChecked="{Binding IsLegacySelected, Mode=OneWay}"
                                 Command="{Binding SelectLegacyCommand}">
                        <StackPanel Spacing="2">
                            <TextBlock Text="Legacy (P2PKH)" FontWeight="SemiBold"/>
                            <TextBlock Text="{Binding Loc[wiz.scripttype.legacy.desc]}" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="12"/>
                        </StackPanel>
                    </RadioButton>

                    <RadioButton GroupName="ScriptType"
                                 IsChecked="{Binding IsWrappedSegwitSelected, Mode=OneWay}"
                                 Command="{Binding SelectWrappedSegwitCommand}">
                        <StackPanel Spacing="2">
                            <TextBlock Text="Wrapped SegWit (P2SH-P2WPKH)" FontWeight="SemiBold"/>
                            <TextBlock Text="{Binding Loc[wiz.scripttype.wrapped.desc]}" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="12"/>
                        </StackPanel>
                    </RadioButton>

                    <RadioButton GroupName="ScriptType"
                                 IsChecked="{Binding IsNativeSegwitSelected, Mode=OneWay}"
                                 Command="{Binding SelectNativeSegwitCommand}">
                        <StackPanel Spacing="2">
                            <TextBlock Text="Native SegWit (P2WPKH)" FontWeight="SemiBold"/>
                            <TextBlock Text="{Binding Loc[wiz.scripttype.native.desc]}" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="12"/>
                        </StackPanel>
                    </RadioButton>

                    <RadioButton GroupName="ScriptType"
                                 IsChecked="{Binding IsTaprootSelected, Mode=OneWay}"
                                 Command="{Binding SelectTaprootCommand}">
                        <StackPanel Spacing="2">
                            <TextBlock Text="Taproot (P2TR)" FontWeight="SemiBold"/>
                            <TextBlock Text="{Binding Loc[wiz.scripttype.taproot.desc]}" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="12"/>
                        </StackPanel>
                    </RadioButton>

                    <StackPanel Orientation="Horizontal" Spacing="10">
                        <Button Content="{Binding Loc[wiz.back]}" Command="{Binding WizardBackCommand}"/>
                        <Button Content="{Binding Loc[wiz.next]}" Classes="accent"
                                Command="{Binding WizardNextFromScriptTypeCommand}"/>
                    </StackPanel>
                </StackPanel>

                <!-- Passo finale: nome + password del file (cifratura, stile Electrum) -->
                <StackPanel IsVisible="{Binding IsStepPassword}" Spacing="16">
                    <TextBlock Text="{Binding Loc[wiz.password.title]}" FontSize="18" FontWeight="Bold"/>

                    <!-- Sezione nome: bordo distinto dal gruppo password -->
                    <Border BorderBrush="{DynamicResource SystemAccentColor}"
                            BorderThickness="0,0,0,0"
                            Background="{DynamicResource SurfaceAltBrush}"
                            CornerRadius="6" Padding="12,10">
                        <StackPanel Spacing="6">
                            <TextBlock Text="{Binding Loc[wiz.name.label]}"
                                       FontWeight="SemiBold" FontSize="13"/>
                            <TextBox PlaceholderText="{Binding Loc[wiz.name.placeholder]}"
                                     Text="{Binding WalletNameInput}"/>
                        </StackPanel>
                    </Border>

                    <!-- Separatore visivo -->
                    <Separator Margin="0,0"/>

                    <!-- Sezione cifratura -->
                    <StackPanel Spacing="8">
                        <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="{DynamicResource TextSecondaryBrush}" FontSize="12" TextWrapping="Wrap"
                                   IsVisible="{Binding !EncryptWallet}"/>
                    </StackPanel>

                    <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: card del saldo. Connetti/sincronizza è automatico; chiudi
                 wallet è in File. Lo stato connessione è nella barra in basso. -->
            <Border Grid.Row="0" Classes="balance-hero" Margin="0,0,0,16">
                <StackPanel Spacing="4">
                    <TextBlock Text="{Binding Loc[addr.balance]}" Classes="label on-hero"/>
                    <TextBlock Text="{Binding BalanceText}" Classes="amount"/>
                    <TextBlock Text="{Binding UnconfirmedText}" Foreground="#FCD34D"
                               TextWrapping="Wrap"
                               IsVisible="{Binding UnconfirmedText, Converter={x:Static StringConverters.IsNotNullOrEmpty}}"/>
                    <TextBlock Text="{Binding NetworkInfo}" Classes="on-hero" FontSize="12"
                               Margin="0,2,0,0"/>
                </StackPanel>
            </Border>

            <!-- Tab: Storico / Invia / Ricevi / Indirizzi / Contatti -->
            <TabControl Grid.Row="1"
                        SelectedIndex="{Binding SelectedTabIndex}"
                        TabStripPlacement="Top">

                <TabControl.Styles>
                    <Style Selector="TabStrip">
                        <Setter Property="HorizontalAlignment" Value="Stretch"/>
                        <Setter Property="Background" Value="{DynamicResource SurfaceBrush}"/>
                        <Setter Property="ItemsPanel">
                            <ItemsPanelTemplate>
                                <UniformGrid Rows="1"/>
                            </ItemsPanelTemplate>
                        </Setter>
                    </Style>
                    <Style Selector="TabItem">
                        <Setter Property="HorizontalAlignment" Value="Stretch"/>
                        <Setter Property="HorizontalContentAlignment" Value="Center"/>
                        <Setter Property="VerticalContentAlignment" Value="Center"/>
                        <Setter Property="Padding" Value="4,8"/>
                    </Style>
                </TabControl.Styles>

                <!-- 1. Storico -->
                <TabItem>
                    <TabItem.Header>
                        <StackPanel Spacing="2" HorizontalAlignment="Center">
                            <Viewbox Width="22" Height="22" HorizontalAlignment="Center">
                                <Canvas Width="24" Height="24">
                                    <Path Fill="{Binding $parent[TabItem].Foreground}"
                                          Data="M7,5H21V7H7V5M7,13V11H21V13H7M4,4.5A1.5,1.5 0 0,1 5.5,6A1.5,1.5 0 0,1 4,7.5A1.5,1.5 0 0,1 2.5,6A1.5,1.5 0 0,1 4,4.5M4,10.5A1.5,1.5 0 0,1 5.5,12A1.5,1.5 0 0,1 4,13.5A1.5,1.5 0 0,1 2.5,12A1.5,1.5 0 0,1 4,10.5M7,19V17H21V19H7M4,16.5A1.5,1.5 0 0,1 5.5,18A1.5,1.5 0 0,1 4,19.5A1.5,1.5 0 0,1 2.5,18A1.5,1.5 0 0,1 4,16.5Z"/>
                                </Canvas>
                            </Viewbox>
                            <TextBlock Text="{Binding Loc[tab.history]}" FontSize="12"
                                       HorizontalAlignment="Center"/>
                        </StackPanel>
                    </TabItem.Header>
                    <Grid RowDefinitions="Auto,*" Margin="4">
                        <TextBlock Grid.Row="0" Text="{Binding Loc[history.hint]}"
                                   IsVisible="{Binding IsDesktop}"
                                   Foreground="{DynamicResource TextSecondaryBrush}" FontSize="11" Margin="6,2"/>
                        <ListBox Grid.Row="1" ItemsSource="{Binding History}"
                                 DoubleTapped="OnHistoryRowDoubleTapped">
                            <ListBox.ItemTemplate>
                                <DataTemplate x:DataType="vm:HistoryRow">
                                    <Panel Cursor="Hand">
                                        <!-- Desktop: 4 colonne fisse -->
                                        <Grid ColumnDefinitions="90,160,*,70"
                                              IsVisible="{Binding $parent[UserControl].((vm:MainWindowViewModel)DataContext).IsDesktop}">
                                            <TextBlock Grid.Column="0" Text="{Binding Conferma}" Foreground="{DynamicResource TextSecondaryBrush}"/>
                                            <TextBlock Grid.Column="1" Text="{Binding Importo}" FontFamily="monospace"/>
                                            <TextBlock Grid.Column="2" Text="{Binding Txid}"
                                                       FontFamily="monospace" FontSize="12"
                                                       TextTrimming="CharacterEllipsis"/>
                                            <TextBlock Grid.Column="3" Text="{Binding Verificata}" Foreground="{DynamicResource SuccessBrush}"/>
                                        </Grid>
                                        <!-- Mobile: card verticale -->
                                        <StackPanel Spacing="2"
                                                    IsVisible="{Binding $parent[UserControl].((vm:MainWindowViewModel)DataContext).IsMobile}">
                                            <Grid ColumnDefinitions="*,Auto">
                                                <TextBlock Grid.Column="0" Text="{Binding Importo}"
                                                           FontFamily="monospace" FontWeight="SemiBold"/>
                                                <TextBlock Grid.Column="1" Text="{Binding Verificata}"
                                                           Foreground="{DynamicResource SuccessBrush}" FontSize="11"/>
                                            </Grid>
                                            <TextBlock Text="{Binding Conferma}" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="11"/>
                                            <TextBlock Text="{Binding Txid}" FontFamily="monospace" FontSize="11"
                                                       TextTrimming="CharacterEllipsis"/>
                                        </StackPanel>
                                    </Panel>
                                </DataTemplate>
                            </ListBox.ItemTemplate>
                        </ListBox>
                    </Grid>
                </TabItem>

                <!-- 2. Invia -->
                <TabItem>
                    <TabItem.Header>
                        <StackPanel Spacing="2" HorizontalAlignment="Center">
                            <Viewbox Width="22" Height="22" HorizontalAlignment="Center">
                                <Canvas Width="24" Height="24">
                                    <Path Fill="{Binding $parent[TabItem].Foreground}"
                                          Data="M2,21L23,12L2,3V10L17,12L2,14V21Z"/>
                                </Canvas>
                            </Viewbox>
                            <TextBlock Text="{Binding Loc[tab.send]}" FontSize="12"
                                       HorizontalAlignment="Center"/>
                        </StackPanel>
                    </TabItem.Header>
                    <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]}">
                                <ComboBox.ItemTemplate>
                                    <DataTemplate x:DataType="vm:ContactEntry">
                                        <TextBlock Text="{Binding Name}"/>
                                    </DataTemplate>
                                </ComboBox.ItemTemplate>
                            </ComboBox>
                        </StackPanel>
                        <Grid ColumnDefinitions="*,Auto">
                            <TextBox Grid.Column="0"
                                     PlaceholderText="{Binding Loc[send.to]}" Text="{Binding SendTo}"
                                     FontFamily="monospace"/>
                            <Button Grid.Column="1" Margin="6,0,0,0" Padding="8,6"
                                    IsVisible="{Binding IsMobile}"
                                    Command="{Binding ScanQrCommand}"
                                    ToolTip.Tip="{Binding Loc[send.scan]}">
                                <Viewbox Width="22" Height="22">
                                    <Canvas Width="24" Height="24">
                                        <Path Fill="{DynamicResource SystemBaseHighColor}"
                                              Data="M20,5H16.83L15,3H9L7.17,5H4A2,2 0 0,0 2,7V19A2,2 0 0,0 4,21H20A2,2 0 0,0 22,19V7A2,2 0 0,0 20,5M20,19H4V7H8.05L9.88,5H14.12L15.95,7H20V19M12,8A5,5 0 0,0 7,13A5,5 0 0,0 12,18A5,5 0 0,0 17,13A5,5 0 0,0 12,8M12,16A3,3 0 0,1 9,13A3,3 0 0,1 12,10A3,3 0 0,1 15,13A3,3 0 0,1 12,16Z"/>
                                    </Canvas>
                                </Viewbox>
                            </Button>
                        </Grid>
                        <!-- Desktop: riga amount + fee in 4 colonne -->
                        <Grid ColumnDefinitions="*,Auto,Auto,Auto" IsVisible="{Binding IsDesktop}">
                            <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="{DynamicResource TextSecondaryBrush}"/>
                            <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>
                        <!-- Mobile: amount e fee su righe separate -->
                        <StackPanel Spacing="6" IsVisible="{Binding IsMobile}">
                            <Grid ColumnDefinitions="*,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="{DynamicResource TextSecondaryBrush}"/>
                                <CheckBox Grid.Column="2" Content="{Binding Loc[send.all]}" Margin="6,0"
                                          IsChecked="{Binding SendAll}"/>
                            </Grid>
                            <StackPanel Orientation="Horizontal" Spacing="6">
                                <TextBlock Text="{Binding Loc[send.feerate]}" VerticalAlignment="Center"/>
                                <TextBox Text="{Binding SendFeeRate}" MinWidth="60"/>
                            </StackPanel>
                        </StackPanel>
                        <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>
                    <TabItem.Header>
                        <StackPanel Spacing="2" HorizontalAlignment="Center">
                            <Viewbox Width="22" Height="22" HorizontalAlignment="Center">
                                <Canvas Width="24" Height="24">
                                    <Path Fill="{Binding $parent[TabItem].Foreground}"
                                          Data="M2,12H4V17H20V12H22V17A2,2 0 0,1 20,19H4A2,2 0 0,1 2,17V12M12,15L17,10L15.59,8.58L13,11.17V2H11V11.17L8.41,8.59L7,10L12,15Z"/>
                                </Canvas>
                            </Viewbox>
                            <TextBlock Text="{Binding Loc[tab.receive]}" FontSize="12"
                                       HorizontalAlignment="Center"/>
                        </StackPanel>
                    </TabItem.Header>
                    <StackPanel Spacing="10" Margin="8">
                        <TextBlock Text="{Binding Loc[receive.next]}"/>
                        <!-- Desktop: indirizzo + copia su una riga -->
                        <StackPanel Orientation="Horizontal" Spacing="8" IsVisible="{Binding IsDesktop}">
                            <SelectableTextBlock Text="{Binding ReceiveAddress}"
                                                 FontFamily="monospace" FontSize="16"
                                                 VerticalAlignment="Center"/>
                            <Button Content="{Binding Loc[receive.copy]}"
                                    Click="OnCopyReceiveAddressClick"
                                    VerticalAlignment="Center"/>
                        </StackPanel>
                        <!-- Mobile: indirizzo su riga intera + copia sotto -->
                        <StackPanel Spacing="6" IsVisible="{Binding IsMobile}">
                            <SelectableTextBlock Text="{Binding ReceiveAddress}"
                                                 FontFamily="monospace" FontSize="13"
                                                 TextWrapping="Wrap"/>
                            <Button Content="{Binding Loc[receive.copy]}"
                                    Click="OnCopyReceiveAddressClick"
                                    HorizontalAlignment="Stretch"
                                    HorizontalContentAlignment="Center"/>
                        </StackPanel>
                        <Border Background="White" Padding="12" CornerRadius="6"
                                HorizontalAlignment="Center"
                                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="{DynamicResource TextSecondaryBrush}" FontSize="12" TextWrapping="Wrap"/>
                    </StackPanel>
                </TabItem>

                <!-- 4. Indirizzi -->
                <TabItem>
                    <TabItem.Header>
                        <StackPanel Spacing="2" HorizontalAlignment="Center">
                            <Viewbox Width="22" Height="22" HorizontalAlignment="Center">
                                <Canvas Width="24" Height="24">
                                    <Path Fill="{Binding $parent[TabItem].Foreground}"
                                          Data="M21,18V19A2,2 0 0,1 19,21H5C3.89,21 3,20.1 3,19V5A2,2 0 0,1 5,3H19A2,2 0 0,1 21,5V6H12C10.89,6 10,6.9 10,8V16A2,2 0 0,0 12,18H21M12,16H22V8H12V16M16,13.5A1.5,1.5 0 0,1 14.5,12A1.5,1.5 0 0,1 16,10.5A1.5,1.5 0 0,1 17.5,12A1.5,1.5 0 0,1 16,13.5Z"/>
                                </Canvas>
                            </Viewbox>
                            <TextBlock Text="{Binding Loc[tab.addresses]}" FontSize="12"
                                       HorizontalAlignment="Center"/>
                        </StackPanel>
                    </TabItem.Header>
                    <Grid RowDefinitions="Auto,*" Margin="4">
                        <!-- Intestazione colonne — solo desktop -->
                        <Grid Grid.Row="0" ColumnDefinitions="90,60,*,140,60" Margin="12,4"
                              IsVisible="{Binding IsDesktop}">
                            <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">
                                    <Panel>
                                        <!-- Desktop: 5 colonne fisse -->
                                        <Grid ColumnDefinitions="90,60,*,140,60"
                                              IsVisible="{Binding $parent[UserControl].((vm:MainWindowViewModel)DataContext).IsDesktop}">
                                            <TextBlock Grid.Column="0" Text="{Binding Tipo}" Foreground="{DynamicResource TextSecondaryBrush}"/>
                                            <TextBlock Grid.Column="1" Text="{Binding Indice}" Foreground="{DynamicResource TextSecondaryBrush}"/>
                                            <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="{DynamicResource TextSecondaryBrush}"/>
                                        </Grid>
                                        <!-- Mobile: card verticale -->
                                        <StackPanel Spacing="1" Margin="0,3"
                                                    IsVisible="{Binding $parent[UserControl].((vm:MainWindowViewModel)DataContext).IsMobile}">
                                            <TextBlock Text="{Binding Indirizzo}"
                                                       FontFamily="monospace" FontSize="12"
                                                       TextTrimming="CharacterEllipsis"/>
                                            <StackPanel Orientation="Horizontal" Spacing="8">
                                                <TextBlock Text="{Binding Tipo}" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="11"/>
                                                <TextBlock Text="{Binding Indice}" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="11"/>
                                                <TextBlock Text="{Binding Saldo}" FontFamily="monospace" FontSize="11"/>
                                                <TextBlock Text="{Binding NumTx}" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="11"/>
                                            </StackPanel>
                                        </StackPanel>
                                    </Panel>
                                </DataTemplate>
                            </ListBox.ItemTemplate>
                        </ListBox>
                    </Grid>
                </TabItem>

                <!-- 5. Contatti -->
                <TabItem>
                    <TabItem.Header>
                        <StackPanel Spacing="2" HorizontalAlignment="Center">
                            <Viewbox Width="22" Height="22" HorizontalAlignment="Center">
                                <Canvas Width="24" Height="24">
                                    <Path Fill="{Binding $parent[TabItem].Foreground}"
                                          Data="M16,13C15.71,13 15.38,13 15.03,13.05C16.19,13.89 17,15 17,16.5V19H23V16.5C23,14.17 18.33,13 16,13M8,13C5.67,13 1,14.17 1,16.5V19H15V16.5C15,14.17 10.33,13 8,13M8,11A3,3 0 0,0 11,8A3,3 0 0,0 8,5A3,3 0 0,0 5,8A3,3 0 0,0 8,11M16,11A3,3 0 0,0 19,8A3,3 0 0,0 16,5C15.71,5 15.42,5.03 15.14,5.09C15.68,5.95 16,6.94 16,8C16,9.06 15.68,10.05 15.14,10.91C15.42,10.97 15.71,11 16,11Z"/>
                                </Canvas>
                            </Viewbox>
                            <TextBlock Text="{Binding Loc[tab.contacts]}" FontSize="12"
                                       HorizontalAlignment="Center"/>
                        </StackPanel>
                    </TabItem.Header>
                    <Grid RowDefinitions="Auto,*,Auto,Auto" Margin="4">
                        <!-- Intestazioni colonne — solo desktop -->
                        <Grid Grid.Row="0" ColumnDefinitions="180,*" Margin="12,4"
                              IsVisible="{Binding IsDesktop}">
                            <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">
                                    <Panel>
                                        <!-- Desktop: 2 colonne -->
                                        <Grid ColumnDefinitions="180,*"
                                              IsVisible="{Binding $parent[UserControl].((vm:MainWindowViewModel)DataContext).IsDesktop}">
                                            <TextBlock Grid.Column="0" Text="{Binding Name}"
                                                       VerticalAlignment="Center"/>
                                            <SelectableTextBlock Grid.Column="1" Text="{Binding Address}"
                                                                 FontFamily="monospace" FontSize="12"
                                                                 VerticalAlignment="Center"/>
                                        </Grid>
                                        <!-- Mobile: card verticale -->
                                        <StackPanel Spacing="1" Margin="0,3"
                                                    IsVisible="{Binding $parent[UserControl].((vm:MainWindowViewModel)DataContext).IsMobile}">
                                            <TextBlock Text="{Binding Name}" FontWeight="SemiBold" FontSize="13"
                                                       TextTrimming="CharacterEllipsis"/>
                                            <SelectableTextBlock Text="{Binding Address}"
                                                                 FontFamily="monospace" FontSize="11"
                                                                 TextTrimming="CharacterEllipsis"/>
                                        </StackPanel>
                                    </Panel>
                                </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 — Desktop: 3 colonne -->
                        <Grid Grid.Row="3" ColumnDefinitions="180,*,Auto" Margin="0,8,0,0"
                              IsVisible="{Binding IsDesktop}">
                            <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>
                        <!-- Form aggiungi contatto — Mobile: verticale -->
                        <StackPanel Grid.Row="3" Spacing="6" Margin="0,8,0,0"
                                    IsVisible="{Binding IsMobile}">
                            <TextBox PlaceholderText="{Binding Loc[contacts.name.ph]}"
                                     Text="{Binding NewContactName}"/>
                            <TextBox PlaceholderText="{Binding Loc[contacts.address.ph]}"
                                     Text="{Binding NewContactAddress}" FontFamily="monospace"/>
                            <Button Content="{Binding Loc[contacts.add]}"
                                    Command="{Binding AddContactCommand}"
                                    HorizontalAlignment="Stretch"
                                    HorizontalContentAlignment="Center"/>
                        </StackPanel>
                    </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 SurfaceBrush}"
                BorderBrush="{DynamicResource BorderSubtleBrush}" BorderThickness="0,1,0,0"
                Padding="12,7">
            <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="{DynamicResource SuccessBrush}" VerticalAlignment="Center"
                             IsVisible="{Binding IsConnected}"/>
                    <Ellipse Width="10" Height="10" Fill="{DynamicResource DangerBrush}" 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="{DynamicResource ScrimBrush}"
                Tapped="OnAddressOverlayBackdropTapped"
                IsVisible="{Binding AddressInfo, Converter={x:Static ObjectConverters.IsNotNull}}">
            <Border Background="{DynamicResource OverlayCardBrush}"
                    BorderBrush="{DynamicResource BorderSubtleBrush}" BorderThickness="1" CornerRadius="8"
                    MaxWidth="540" Margin="16"
                    HorizontalAlignment="Center" VerticalAlignment="Center"
                    DataContext="{Binding AddressInfo}">
                <ScrollViewer MaxHeight="640">
                <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="{DynamicResource TextSecondaryBrush}"/>
                        <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="{DynamicResource TextSecondaryBrush}"/>
                        <SelectableTextBlock Text="{Binding DerivPath}"
                                             FontFamily="monospace" FontSize="13"/>
                    </StackPanel>

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

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

        <!-- ============ OVERLAY DETTAGLIO TRANSAZIONE ============ -->
        <!-- Overlay in-app (come indirizzo): appare subito con lo spinner, i dati
             arrivano dal server in background; chiusura istantanea. -->
        <Border Grid.Row="0" Grid.RowSpan="3"
                Background="{DynamicResource ScrimBrush}"
                Tapped="OnTxDetailsOverlayBackdropTapped"
                IsVisible="{Binding IsTxDetailsOpen}">
            <Border Background="{DynamicResource OverlayCardBrush}"
                    BorderBrush="{DynamicResource BorderSubtleBrush}" BorderThickness="1" CornerRadius="8"
                    MaxWidth="540" MaxHeight="600" Margin="16" Padding="0"
                    HorizontalAlignment="Center" VerticalAlignment="Center">
                <Panel Margin="24">

                    <!-- Caricamento -->
                    <StackPanel IsVisible="{Binding IsTxDetailsLoading}"
                                HorizontalAlignment="Center" VerticalAlignment="Center" Spacing="14">
                        <ProgressBar IsIndeterminate="True" Width="220"/>
                        <TextBlock Text="{Binding Loc[tx.loading]}" Foreground="{DynamicResource TextSecondaryBrush}"
                                   HorizontalAlignment="Center"/>
                    </StackPanel>

                    <!-- Contenuto (IsVisible sul contenitore esterno, così resta
                         legato al VM principale; il DataContext interno è TxDetails) -->
                    <Grid IsVisible="{Binding !IsTxDetailsLoading}">
                    <DockPanel DataContext="{Binding TxDetails}">
                        <TextBlock DockPanel.Dock="Top" Text="{Binding Loc[tx.title]}"
                                   FontSize="18" FontWeight="Bold" Margin="0,0,0,12"/>

                        <Button DockPanel.Dock="Bottom" Content="{Binding Loc[tx.close]}"
                                HorizontalAlignment="Right" Margin="0,12,0,0"
                                Command="{Binding $parent[UserControl].((vm:MainWindowViewModel)DataContext).CloseTransactionDetailsCommand}"/>

                        <ScrollViewer>
                            <StackPanel Spacing="14">

                                <Grid ColumnDefinitions="170,*" RowSpacing="8">
                                    <Grid.RowDefinitions>
                                        <RowDefinition Height="Auto"/><RowDefinition Height="Auto"/>
                                        <RowDefinition Height="Auto"/><RowDefinition Height="Auto"/>
                                        <RowDefinition Height="Auto"/><RowDefinition Height="Auto"/>
                                        <RowDefinition Height="Auto"/><RowDefinition Height="Auto"/>
                                        <RowDefinition Height="Auto"/><RowDefinition Height="Auto"/>
                                        <RowDefinition Height="Auto"/><RowDefinition Height="Auto"/>
                                    </Grid.RowDefinitions>

                                    <TextBlock Grid.Row="0" Grid.Column="0" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="12" Text="{Binding Loc[tx.status]}"/>
                                    <SelectableTextBlock Grid.Row="0" Grid.Column="1" FontSize="13" TextWrapping="Wrap" Text="{Binding StatusText}"/>

                                    <TextBlock Grid.Row="1" Grid.Column="0" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="12" Text="{Binding Loc[tx.date]}"/>
                                    <SelectableTextBlock Grid.Row="1" Grid.Column="1" FontSize="13" Text="{Binding DateText}"/>

                                    <TextBlock Grid.Row="2" Grid.Column="0" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="12" Text="{Binding CounterpartyHeader}"/>
                                    <SelectableTextBlock Grid.Row="2" Grid.Column="1" FontSize="13" FontFamily="monospace" TextWrapping="Wrap" Text="{Binding CounterpartyText}"/>

                                    <TextBlock Grid.Row="3" Grid.Column="0" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="12" Text="{Binding AmountHeader}"/>
                                    <SelectableTextBlock Grid.Row="3" Grid.Column="1" FontSize="13" FontFamily="monospace" Text="{Binding AmountText}"/>

                                    <TextBlock Grid.Row="4" Grid.Column="0" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="12" Text="{Binding Loc[tx.fee]}"/>
                                    <SelectableTextBlock Grid.Row="4" Grid.Column="1" FontSize="13" FontFamily="monospace" Text="{Binding FeeText}"/>

                                    <TextBlock Grid.Row="5" Grid.Column="0" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="12" Text="{Binding Loc[tx.feerate]}"/>
                                    <SelectableTextBlock Grid.Row="5" Grid.Column="1" FontSize="13" FontFamily="monospace" Text="{Binding FeeRateText}"/>

                                    <TextBlock Grid.Row="6" Grid.Column="0" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="12" Text="{Binding Loc[tx.net]}"/>
                                    <SelectableTextBlock Grid.Row="6" Grid.Column="1" FontSize="13" FontFamily="monospace" FontWeight="Bold" Text="{Binding NetText}"/>

                                    <TextBlock Grid.Row="7" Grid.Column="0" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="12" Text="{Binding Loc[tx.id]}"/>
                                    <SelectableTextBlock Grid.Row="7" Grid.Column="1" FontSize="12" FontFamily="monospace" TextWrapping="Wrap" Text="{Binding Txid}"/>

                                    <TextBlock Grid.Row="8" Grid.Column="0" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="12" Text="{Binding Loc[tx.size.total]}"/>
                                    <SelectableTextBlock Grid.Row="8" Grid.Column="1" FontSize="13" Text="{Binding TotalSizeText}"/>

                                    <TextBlock Grid.Row="9" Grid.Column="0" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="12" Text="{Binding Loc[tx.size.virtual]}"/>
                                    <SelectableTextBlock Grid.Row="9" Grid.Column="1" FontSize="13" Text="{Binding VirtualSizeText}"/>

                                    <TextBlock Grid.Row="10" Grid.Column="0" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="12" Text="{Binding Loc[tx.rbf]}"/>
                                    <SelectableTextBlock Grid.Row="10" Grid.Column="1" FontSize="13" Text="{Binding RbfText}"/>

                                    <TextBlock Grid.Row="11" Grid.Column="0" Foreground="{DynamicResource TextSecondaryBrush}" FontSize="12" Text="{Binding Loc[tx.verified]}"/>
                                    <SelectableTextBlock Grid.Row="11" Grid.Column="1" FontSize="13" Foreground="{DynamicResource SuccessBrush}" Text="{Binding VerifiedText}"/>
                                </Grid>

                                <TextBlock Text="{Binding Loc[tx.inputs]}" FontWeight="Bold" Margin="0,4,0,0"/>
                                <ItemsControl ItemsSource="{Binding Inputs}">
                                    <ItemsControl.ItemTemplate>
                                        <DataTemplate x:DataType="vm:TxIoRow">
                                            <Grid ColumnDefinitions="170,*,Auto" Margin="0,2">
                                                <TextBlock Grid.Column="0" Text="{Binding Position}"
                                                           FontFamily="monospace" FontSize="11" Foreground="{DynamicResource TextSecondaryBrush}"/>
                                                <TextBlock Grid.Column="1" Text="{Binding Address}"
                                                           FontFamily="monospace" FontSize="11" TextTrimming="CharacterEllipsis"
                                                           Foreground="{Binding IsMine, Converter={x:Static vm:MineColorConverter.Instance}}"/>
                                                <TextBlock Grid.Column="2" Text="{Binding Amount}"
                                                           FontFamily="monospace" FontSize="11" Margin="8,0,0,0"/>
                                            </Grid>
                                        </DataTemplate>
                                    </ItemsControl.ItemTemplate>
                                </ItemsControl>

                                <TextBlock Text="{Binding Loc[tx.outputs]}" FontWeight="Bold" Margin="0,4,0,0"/>
                                <ItemsControl ItemsSource="{Binding Outputs}">
                                    <ItemsControl.ItemTemplate>
                                        <DataTemplate x:DataType="vm:TxIoRow">
                                            <Grid ColumnDefinitions="60,*,Auto" Margin="0,2">
                                                <TextBlock Grid.Column="0" Text="{Binding Position}"
                                                           FontFamily="monospace" FontSize="11" Foreground="{DynamicResource TextSecondaryBrush}"/>
                                                <TextBlock Grid.Column="1" Text="{Binding Address}"
                                                           FontFamily="monospace" FontSize="11" TextTrimming="CharacterEllipsis"
                                                           Foreground="{Binding IsMine, Converter={x:Static vm:MineColorConverter.Instance}}"/>
                                                <TextBlock Grid.Column="2" Text="{Binding Amount}"
                                                           FontFamily="monospace" FontSize="11" Margin="8,0,0,0"/>
                                            </Grid>
                                        </DataTemplate>
                                    </ItemsControl.ItemTemplate>
                                </ItemsControl>

                            </StackPanel>
                        </ScrollViewer>
                    </DockPanel>
                    </Grid>
                </Panel>
            </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="{DynamicResource ScrimBrush}"
                Tapped="OnServerOverlayBackdropTapped"
                IsVisible="{Binding IsServerSettingsOpen}">
            <Border Background="{DynamicResource OverlayCardBrush}"
                    BorderBrush="{DynamicResource BorderSubtleBrush}" BorderThickness="1"
                    Classes.desktop-overlay="{Binding IsDesktop}">
                <ScrollViewer>
                <StackPanel Margin="24" Spacing="14">
                    <TextBlock Text="{Binding Loc[server.title]}"
                               FontSize="18" FontWeight="Bold"/>

                    <!-- Host + porta — Desktop: 3 colonne -->
                    <Grid ColumnDefinitions="*,Auto,Auto" RowDefinitions="Auto,Auto"
                          IsVisible="{Binding IsDesktop}">
                        <TextBlock Grid.Row="0" Grid.Column="0" Text="{Binding Loc[server.host]}"
                                   FontSize="11" Foreground="{DynamicResource TextSecondaryBrush}"/>
                        <TextBlock Grid.Row="0" Grid.Column="1" Text="{Binding Loc[server.port]}"
                                   FontSize="11" Foreground="{DynamicResource TextSecondaryBrush}" Margin="10,0,0,0" Width="90"/>
                        <TextBlock Grid.Row="0" Grid.Column="2" Text="TLS"
                                   FontSize="11" Foreground="{DynamicResource TextSecondaryBrush}" 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>
                    <!-- Host + porta — Mobile: verticale, font più grandi -->
                    <StackPanel Spacing="10" IsVisible="{Binding IsMobile}">
                        <StackPanel Spacing="4">
                            <TextBlock Text="{Binding Loc[server.host]}" FontSize="13" Foreground="{DynamicResource TextSecondaryBrush}"/>
                            <TextBox Text="{Binding ServerHost}" FontFamily="monospace" FontSize="15"/>
                        </StackPanel>
                        <Grid ColumnDefinitions="*,Auto">
                            <StackPanel Grid.Column="0" Spacing="4">
                                <TextBlock Text="{Binding Loc[server.port]}" FontSize="13" Foreground="{DynamicResource TextSecondaryBrush}"/>
                                <TextBox Text="{Binding ServerPort}" FontFamily="monospace" FontSize="15"/>
                            </StackPanel>
                            <StackPanel Grid.Column="1" Spacing="4" Margin="20,0,0,0"
                                        VerticalAlignment="Center">
                                <TextBlock Text="TLS" FontSize="13" Foreground="{DynamicResource TextSecondaryBrush}"
                                           HorizontalAlignment="Center"/>
                                <CheckBox IsChecked="{Binding UseSsl}"
                                          HorizontalAlignment="Center"/>
                            </StackPanel>
                        </Grid>
                    </StackPanel>

                    <!-- Azioni — Desktop: in riga -->
                    <StackPanel Orientation="Horizontal" Spacing="8" IsVisible="{Binding IsDesktop}">
                        <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>
                    <!-- Azioni — Mobile: in colonna -->
                    <StackPanel Spacing="6" IsVisible="{Binding IsMobile}">
                        <Button Content="{Binding Loc[wallet.connect]}" Classes="accent"
                                Command="{Binding ConnectAndSyncCommand}" IsEnabled="{Binding !IsSyncing}"
                                HorizontalAlignment="Stretch" HorizontalContentAlignment="Center"/>
                        <Button Content="{Binding Loc[wallet.discover]}"
                                Command="{Binding DiscoverServersCommand}"
                                HorizontalAlignment="Stretch" HorizontalContentAlignment="Center"/>
                        <Button Content="{Binding Loc[wallet.resetcert]}"
                                Command="{Binding ResetCertificatesCommand}"
                                HorizontalAlignment="Stretch" HorizontalContentAlignment="Center"/>
                    </StackPanel>

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

                    <!-- Server conosciuti: clicca per riempire host/porta -->
                    <TextBlock Text="{Binding Loc[server.known]}" FontSize="11" Foreground="{DynamicResource TextSecondaryBrush}"/>
                    <ListBox ItemsSource="{Binding KnownServers}"
                             SelectedItem="{Binding SelectedKnownServer}"
                             MaxHeight="300">
                        <ListBox.Styles>
                            <Style Selector="ListBox:empty">
                                <Setter Property="Template">
                                    <ControlTemplate>
                                        <TextBlock Text="{Binding Loc[server.empty]}"
                                                   Foreground="{DynamicResource TextSecondaryBrush}" FontSize="12"
                                                   TextWrapping="Wrap" Margin="8"/>
                                    </ControlTemplate>
                                </Setter>
                            </Style>
                        </ListBox.Styles>
                        <ListBox.ItemTemplate>
                            <DataTemplate x:DataType="net:KnownServer">
                                <Panel>
                                    <!-- Desktop: host + porte in 2 colonne -->
                                    <Grid ColumnDefinitions="*,Auto"
                                          IsVisible="{Binding $parent[UserControl].((vm:MainWindowViewModel)DataContext).IsDesktop}">
                                        <TextBlock Grid.Column="0" Text="{Binding Host}"
                                                   FontFamily="monospace" FontSize="13"
                                                   VerticalAlignment="Center"/>
                                        <TextBlock Grid.Column="1" FontSize="11" Foreground="{DynamicResource TextSecondaryBrush}"
                                                   VerticalAlignment="Center">
                                            <Run Text="tcp "/><Run Text="{Binding TcpPort}"/>
                                            <Run Text="  ssl "/><Run Text="{Binding SslPort}"/>
                                        </TextBlock>
                                    </Grid>
                                    <!-- Mobile: host sopra, porte sotto -->
                                    <StackPanel Spacing="2" Margin="0,4"
                                                IsVisible="{Binding $parent[UserControl].((vm:MainWindowViewModel)DataContext).IsMobile}">
                                        <TextBlock Text="{Binding Host}"
                                                   FontFamily="monospace" FontSize="15"
                                                   TextTrimming="CharacterEllipsis"/>
                                        <StackPanel Orientation="Horizontal" Spacing="16">
                                            <TextBlock FontSize="12" Foreground="{DynamicResource TextSecondaryBrush}">
                                                <Run Text="tcp "/><Run Text="{Binding TcpPort}"/>
                                            </TextBlock>
                                            <TextBlock FontSize="12" Foreground="{DynamicResource TextSecondaryBrush}">
                                                <Run Text="ssl "/><Run Text="{Binding SslPort}"/>
                                            </TextBlock>
                                        </StackPanel>
                                    </StackPanel>
                                </Panel>
                            </DataTemplate>
                        </ListBox.ItemTemplate>
                    </ListBox>

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

        <!-- ============ OVERLAY IMPOSTAZIONI ============ -->
        <!-- In-app invece dei sottomenu annidati: niente popup OS lenti su WSLg. -->
        <Border Grid.Row="0" Grid.RowSpan="3"
                Background="{DynamicResource ScrimBrush}"
                Tapped="OnSettingsOverlayBackdropTapped"
                IsVisible="{Binding IsSettingsOpen}">
            <Border Background="{DynamicResource OverlayCardBrush}"
                    BorderBrush="{DynamicResource BorderSubtleBrush}" BorderThickness="1" CornerRadius="8"
                    MaxWidth="440" Margin="16"
                    HorizontalAlignment="Center" VerticalAlignment="Center">
                <ScrollViewer MaxHeight="640">
                <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="{DynamicResource TextSecondaryBrush}"/>
                        <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="{DynamicResource TextSecondaryBrush}"/>
                        <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>
                </ScrollViewer>
            </Border>
        </Border>

        <!-- ============ OVERLAY HELP / INFORMAZIONI ============ -->
        <!-- Stesso pattern dell'overlay impostazioni: apertura/chiusura istantanee. -->
        <Border Grid.Row="0" Grid.RowSpan="3"
                Background="{DynamicResource ScrimBrush}"
                Tapped="OnHelpOverlayBackdropTapped"
                IsVisible="{Binding IsHelpOpen}">
            <Border Background="{DynamicResource OverlayCardBrush}"
                    BorderBrush="{DynamicResource BorderSubtleBrush}" BorderThickness="1" CornerRadius="8"
                    MaxWidth="440" Margin="16"
                    HorizontalAlignment="Center" VerticalAlignment="Center">
                <StackPanel Margin="24" Spacing="16">
                    <TextBlock Text="{Binding Loc[help.title]}"
                               FontSize="18" FontWeight="Bold"/>

                    <StackPanel Spacing="4">
                        <TextBlock Text="Palladium Wallet" FontSize="16" FontWeight="Bold"/>
                        <TextBlock Text="{Binding WindowTitle}" FontSize="12" Foreground="{DynamicResource TextSecondaryBrush}"/>
                    </StackPanel>

                    <TextBlock Text="{Binding Loc[help.info]}" TextWrapping="Wrap"/>

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