MainWindow.xaml

<Window x:Class="MeretMarketManager.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Maple2DB — 服务器管理"
        Height="800" Width="1100"
        MinHeight="600" MinWidth="900"
        Background="{StaticResource BgDark}"
        WindowStartupLocation="CenterScreen">

    <Window.Resources>
        <Style x:Key="StagedRowStyle" TargetType="DataGridRow" BasedOn="{StaticResource {x:Type DataGridRow}}">
            <Style.Triggers>
                <DataTrigger Binding="{Binding IsStaged}" Value="True">
                    <Setter Property="Background" Value="#dcfce7"/>
                </DataTrigger>
            </Style.Triggers>
        </Style>
    </Window.Resources>

    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="*"/>
            <RowDefinition MaxHeight="350" Height="Auto"/>
            <RowDefinition Height="Auto"/>
        </Grid.RowDefinitions>

        <!-- Top Bar: Connection -->
        <Border Grid.Row="0" Background="{StaticResource BgMid}" Padding="16,10">
            <Grid>
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="Auto"/>
                    <ColumnDefinition Width="Auto"/>
                    <ColumnDefinition Width="Auto"/>
                    <ColumnDefinition Width="Auto"/>
                    <ColumnDefinition Width="Auto"/>
                    <ColumnDefinition Width="*"/>
                    <ColumnDefinition Width="Auto"/>
                    <ColumnDefinition Width="Auto"/>
                    <ColumnDefinition Width="Auto"/>
                </Grid.ColumnDefinitions>

                <StackPanel Grid.Column="0" Orientation="Horizontal" Margin="0,0,20,0">
                    <TextBlock x:Name="TxbDbIpLabel" Text="DB IP:" VerticalAlignment="Center" Margin="0,0,6,0"/>
                    <TextBox x:Name="TxbDbHost" Width="130" Text="127.0.0.1" VerticalContentAlignment="Center"/>
                </StackPanel>
                <StackPanel Grid.Column="1" Orientation="Horizontal" Margin="0,0,20,0">
                    <TextBlock x:Name="TxbPortLabel" Text="Port:" VerticalAlignment="Center" Margin="0,0,6,0"/>
                    <TextBox x:Name="TxbDbPort" Width="60" Text="3306" VerticalContentAlignment="Center"/>
                </StackPanel>
                <StackPanel Grid.Column="2" Orientation="Horizontal" Margin="0,0,20,0">
                    <TextBlock x:Name="TxbUserLabel" Text="User:" VerticalAlignment="Center" Margin="0,0,6,0"/>
                    <TextBox x:Name="TxbDbUser" Width="80" Text="root" VerticalContentAlignment="Center"/>
                </StackPanel>
                <StackPanel Grid.Column="3" Orientation="Horizontal" Margin="0,0,20,0">
                    <TextBlock x:Name="TxbPwdLabel" Text="Pwd:" VerticalAlignment="Center" Margin="0,0,6,0"/>
                    <PasswordBox x:Name="TxbDbPass" Width="100" VerticalContentAlignment="Center"
                                Background="White" Foreground="{StaticResource TextPrimary}" BorderBrush="{StaticResource Border}"/>
                </StackPanel>
                <StackPanel Grid.Column="4" Orientation="Horizontal" Margin="0,0,20,0">
                    <TextBlock x:Name="TxbDbLabel" Text="DB:" VerticalAlignment="Center" Margin="0,0,6,0"/>
                    <TextBox x:Name="TxbDbName" Width="110" Text="maple-data" VerticalContentAlignment="Center"/>
                </StackPanel>

                <Button x:Name="BtnConnect" Grid.Column="6" Content="连接" Style="{StaticResource BtnPrimary}" Width="80"
                        Click="BtnConnect_Click" Margin="0,0,8,0"/>
                <Button x:Name="BtnLang" Grid.Column="7" Content="EN" Style="{StaticResource BtnSecondary}" Width="50"
                        Click="BtnLang_Click" ToolTip="切换英文/Switch to English"/>
            </Grid>
        </Border>

        <!-- Primary Menu Bar (Level 1) -->
        <Border Grid.Row="1" Background="{StaticResource BgMid}" Padding="8,6">
            <StackPanel Orientation="Horizontal">
                <Button x:Name="BtnMenuMarket" Content="市场" Style="{StaticResource BtnSecondary}" 
                        Width="80" Margin="0,0,4,0" Click="BtnMenuMarket_Click" Tag="market"/>
                <Button x:Name="BtnMenuUser" Content="用户管理" Style="{StaticResource BtnSecondary}" 
                        Width="80" Margin="4,0" IsEnabled="False" Opacity="0.5"/>
                <Button x:Name="BtnMenuMore" Content="更多" Style="{StaticResource BtnSecondary}" 
                        Width="80" Margin="4,0" IsEnabled="False" Opacity="0.5"/>
            </StackPanel>
        </Border>

        <!-- Secondary Menu Bar (Level 2) - Dynamic based on primary selection -->
        <Border x:Name="SecondaryMenuBar" Grid.Row="2" Background="{StaticResource BgDark}" 
                BorderBrush="{StaticResource Border}" BorderThickness="0,0,0,1" Padding="16,8">
            <Grid>
                <!-- Market Sub-menu -->
                <StackPanel x:Name="SubMenuMarket" Orientation="Horizontal" Visibility="Visible">
                    <Button x:Name="BtnSubMenuList" Content="商品列表" Style="{StaticResource BtnSecondary}" 
                            Width="80" Margin="0,0,4,0" Click="BtnSubMenuList_Click"/>
                    <Button x:Name="BtnSubMenuAdd" Content="添加商品" Style="{StaticResource BtnSecondary}" 
                            Width="80" Margin="4,0" Click="BtnSubMenuAdd_Click"/>
                    <Button x:Name="BtnSubMenuEdit" Content="编辑商品" Style="{StaticResource BtnSecondary}" 
                            Width="80" Margin="4,0" Click="BtnSubMenuEdit_Click"/>
                    <Button x:Name="BtnSubMenuImport" Content="导入" Style="{StaticResource BtnSecondary}" 
                            Width="60" Margin="4,0" Click="BtnSubMenuImport_Click"/>
                    <Button x:Name="BtnSubMenuExport" Content="导出" Style="{StaticResource BtnSecondary}" 
                            Width="60" Margin="4,0" Click="BtnSubMenuExport_Click"/>
                </StackPanel>
                <!-- User Sub-menu (hidden for now) -->
                <StackPanel x:Name="SubMenuUser" Orientation="Horizontal" Visibility="Collapsed">
                    <Button Content="用户列表" Style="{StaticResource BtnSecondary}" Width="80" Margin="0,0,4,0"/>
                    <Button Content="添加用户" Style="{StaticResource BtnSecondary}" Width="80" Margin="4,0"/>
                </StackPanel>
            </Grid>
        </Border>

        <!-- Main Content: Tabs (Headers hidden, controlled by menu) -->
        <TabControl Grid.Row="3" Background="Transparent" BorderThickness="0"
                    Padding="0" x:Name="MainTab" SelectedIndex="0">
            <TabControl.Resources>
                <!-- Hide Tab headers completely -->
                <Style TargetType="TabControl">
                    <Setter Property="Template">
                        <Setter.Value>
                            <ControlTemplate TargetType="TabControl">
                                <Grid>
                                    <ContentPresenter ContentSource="SelectedContent"/>
                                </Grid>
                            </ControlTemplate>
                        </Setter.Value>
                    </Setter>
                </Style>
            </TabControl.Resources>

            <!-- Tab: 列表 -->
            <TabItem x:Name="TabList" Header="商品列表">
                <Grid Margin="16">
                    <Grid.RowDefinitions>
                        <RowDefinition Height="Auto"/>
                        <RowDefinition Height="*"/>
                    </Grid.RowDefinitions>

                    <!-- Search bar -->
                    <Border Grid.Row="0" Background="{StaticResource BgMid}" CornerRadius="8" Padding="14,12" Margin="0,0,0,12">
                        <Grid>
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="Auto"/>
                                <ColumnDefinition Width="200"/>
                                <ColumnDefinition Width="Auto"/>
                                <ColumnDefinition Width="130"/>
                                <ColumnDefinition Width="Auto"/>
                                <ColumnDefinition Width="100"/>
                                <ColumnDefinition Width="*"/>
                                <ColumnDefinition Width="Auto"/>
                                <ColumnDefinition Width="Auto"/>
                                <ColumnDefinition Width="Auto"/>
                            </Grid.ColumnDefinitions>

                            <TextBlock Grid.Column="0" Text="TabId:" VerticalAlignment="Center" Margin="0,0,6,0"/>
                            <ComboBox Grid.Column="1" x:Name="CmbTabFilter" SelectedIndex="0" VerticalContentAlignment="Center" SelectionChanged="CmbTabFilter_SelectionChanged">
                                <ComboBoxItem Content="全部" Tag="0"/>
                                <ComboBoxItem Content="10 — 推荐" Tag="10"/>
                                <ComboBoxItem Content="11 — 新品" Tag="11"/>
                                <ComboBoxItem Content="40000 — 礼包" Tag="40000"/>
                                <ComboBoxItem Content="40100 — 时装" Tag="40100"/>
                                <ComboBoxItem Content="40200 — 召唤" Tag="40200"/>
                                <ComboBoxItem Content="40300 — 功能/消耗" Tag="40300"/>
                                <ComboBoxItem Content="40400 — 表情动作" Tag="40400"/>
                                <ComboBoxItem Content="40500 — 徽章" Tag="40500"/>
                                <ComboBoxItem Content="40600 — 乐器" Tag="40600"/>
                            </ComboBox>

                            <TextBlock Grid.Column="2" x:Name="TxbSearchLabel" Text="搜索:" VerticalAlignment="Center" Margin="16,0,6,0"/>
                            <TextBox Grid.Column="3" x:Name="TxbSearch" VerticalContentAlignment="Center"
                                     TextChanged="TxbSearch_TextChanged"/>

                            <Button x:Name="BtnRefresh" Grid.Column="7" Content="刷新" Style="{StaticResource BtnSecondary}" Width="70" Margin="8,0"
                                    Click="BtnRefresh_Click"/>
                            <Button x:Name="BtnDeleteSelected" Grid.Column="8" Content="删除选中" Style="{StaticResource BtnDanger}" Width="80" Margin="0,0,8,0"
                                    Click="BtnDeleteSelected_Click"/>
                            <Button x:Name="BtnEditSelected" Grid.Column="9" Content="编辑选中" Style="{StaticResource BtnPrimary}" Width="80"
                                    Click="BtnEditSelected_Click"/>
                        </Grid>
                    </Border>

                    <!-- DataGrid with horizontal scroll -->
                    <ScrollViewer Grid.Row="1" HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Auto">
                        <DataGrid x:Name="DgItems" SelectionChanged="DgItems_SelectionChanged"
                                  MouseDoubleClick="DgItems_DoubleClick"
                                  CanUserResizeColumns="True"
                                  RowStyle="{StaticResource StagedRowStyle}">
                            <DataGrid.Columns>
                                <DataGridTemplateColumn Width="40">
                                    <DataGridTemplateColumn.HeaderTemplate>
                                        <DataTemplate>
                                            <CheckBox x:Name="ChkSelectAll" Content="✓" ToolTip="全选"
                                                      Click="ChkSelectAll_Click" HorizontalAlignment="Center"/>
                                        </DataTemplate>
                                    </DataGridTemplateColumn.HeaderTemplate>
                                    <DataGridTemplateColumn.CellTemplate>
                                        <DataTemplate>
                                            <CheckBox IsChecked="{Binding IsSelected, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
                                                      HorizontalAlignment="Center" Click="ChkItem_Click"/>
                                        </DataTemplate>
                                    </DataGridTemplateColumn.CellTemplate>
                                </DataGridTemplateColumn>
                                <DataGridTextColumn Header="Id"        Binding="{Binding Id}"              Width="70"  IsReadOnly="True"/>
                                <DataGridTextColumn Header="ItemId"    Binding="{Binding ItemId}"          Width="90"  IsReadOnly="True"/>
                                <DataGridTextColumn Header="Rarity"    Binding="{Binding Rarity}"          Width="60"  IsReadOnly="True"/>
                                <DataGridTextColumn Header="Qty"       Binding="{Binding Quantity}"        Width="50"  IsReadOnly="True"/>
                                <DataGridTextColumn Header="Price"     Binding="{Binding Price}"           Width="90"  IsReadOnly="True"/>
                                <DataGridTextColumn Header="SalePrice" Binding="{Binding SalePrice}"        Width="90"  IsReadOnly="True"/>
                                <DataGridTextColumn Header="Currency"  Binding="{Binding CurrencyTypeStr}" Width="70"  IsReadOnly="True"/>
                                <DataGridTextColumn Header="TabId"     Binding="{Binding TabId}"           Width="55"  IsReadOnly="True"/>
                                <DataGridTextColumn Header="ParentId"  Binding="{Binding ParentId}"         Width="70"  IsReadOnly="True"/>
                                <DataGridTextColumn Header="Duration"  Binding="{Binding DurationInDays}"   Width="65"  IsReadOnly="True"/>
                                <DataGridTextColumn Header="SaleTag"   Binding="{Binding SaleTagStr}"      Width="55"  IsReadOnly="True"/>
                                <DataGridTextColumn Header="Banner"    Binding="{Binding Banner}"          Width="120" IsReadOnly="True"/>
                                <DataGridTextColumn Header="PromoName" Binding="{Binding PromoName}"       Width="120" IsReadOnly="True"/>
                                <DataGridCheckBoxColumn Header="NoRestock" Binding="{Binding RestockUnavailable}" Width="80" IsReadOnly="True"/>
                                <DataGridCheckBoxColumn Header="PcCafe"    Binding="{Binding PcCafe}"            Width="70" IsReadOnly="True"/>
                                <DataGridCheckBoxColumn Header="ShowSale"  Binding="{Binding ShowSaleTime}"       Width="80" IsReadOnly="True"/>
                                <DataGridTextColumn Header="JobReq"    Binding="{Binding JobRequirement}"   Width="70"  IsReadOnly="True"/>
                                <DataGridTextColumn Header="SaleStart" Binding="{Binding SaleStartStr}"    Width="110" IsReadOnly="True"/>
                                <DataGridTextColumn Header="SaleEnd"   Binding="{Binding SaleEndStr}"      Width="110" IsReadOnly="True"/>
                                <DataGridTextColumn Header="MinLv"     Binding="{Binding RequireMinLevel}" Width="50"  IsReadOnly="True"/>
                                <DataGridTextColumn Header="MaxLv"     Binding="{Binding RequireMaxLevel}" Width="50"  IsReadOnly="True"/>
                                <DataGridCheckBoxColumn Header="Giftable"  Binding="{Binding Giftable}"         Width="70" IsReadOnly="True"/>
                            </DataGrid.Columns>
                        </DataGrid>
                    </ScrollViewer>
                </Grid>
            </TabItem>

            <!-- Tab: 添加商品 -->
            <TabItem x:Name="TabAdd" Header="添加商品">
                <ScrollViewer VerticalScrollBarVisibility="Auto">
                    <Grid Margin="16">
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition Width="*"/>
                            <ColumnDefinition Width="16"/>
                            <ColumnDefinition Width="*"/>
                        </Grid.ColumnDefinitions>

                        <!-- Left Column -->
                        <StackPanel Grid.Column="0">
                            <TextBlock Text="基本信息" FontWeight="Bold" FontSize="15" Foreground="{StaticResource AccentLight}" Margin="0,0,0,12"/>

                            <Label Content="Item Id *"/>
                            <Grid x:Name="GridAddItemId">
                                <TextBox x:Name="TxbAddItemId" 
                                         Width="Auto" VerticalContentAlignment="Center" 
                                         TextChanged="TxbAddItemId_TextChanged"
                                         KeyDown="TxbAddItemId_KeyDown"/>
                            </Grid>
                            <Popup x:Name="PopAddIdSuggestions" 
                                   PlacementTarget="{Binding ElementName=GridAddItemId}"
                                   Placement="Bottom"
                                   StaysOpen="False"
                                   MaxHeight="200">
                                <ListBox x:Name="LstAddIdSuggestions"
                                         Background="White" Foreground="Black"
                                         Width="{Binding ActualWidth, ElementName=GridAddItemId}"
                                         SelectionChanged="LstAddIdSuggestions_SelectionChanged"
                                         BorderBrush="#ccc" BorderThickness="1"/>
                            </Popup>
                            
                            <Label Content="Name (搜索自动填充)"/>
                            <Grid x:Name="GridAddItemName">
                                <TextBox x:Name="TxbAddItemName" 
                                         Background="White" Foreground="Black"
                                         VerticalContentAlignment="Center"
                                         TextChanged="TxbAddItemName_TextChanged"
                                         KeyDown="TxbAddItemName_KeyDown"/>
                            </Grid>
                            <Popup x:Name="PopAddItemSuggestions" 
                                   PlacementTarget="{Binding ElementName=GridAddItemName}"
                                   Placement="Bottom"
                                   StaysOpen="False"
                                   MaxHeight="200">
                                <ListBox x:Name="LstAddItemSuggestions"
                                         Background="White" Foreground="Black"
                                         Width="{Binding ActualWidth, ElementName=GridAddItemName}"
                                         SelectionChanged="LstAddItemSuggestions_SelectionChanged"
                                         BorderBrush="#ccc" BorderThickness="1"/>
                            </Popup>

                            <Label Content="Price (蓝钻) *"/>
                            <TextBox x:Name="TxbAddPrice" Width="Auto"/>

                            <Label Content="TabId"/>
                            <Grid>
                                <Grid.ColumnDefinitions>
                                    <ColumnDefinition Width="*"/>
                                    <ColumnDefinition Width="Auto"/>
                                </Grid.ColumnDefinitions>
                                <TextBox x:Name="TxbAddTabId" Grid.Column="0" Text="10" VerticalContentAlignment="Center"/>
                                <ComboBox x:Name="CmbAddTabId" Grid.Column="1" Width="180" SelectedIndex="0" SelectionChanged="CmbAddTabId_SelectionChanged">
                                    <ComboBoxItem Content="10 — 推荐" Tag="10"/>
                                    <ComboBoxItem Content="11 — 新品" Tag="11"/>
                                    <ComboBoxItem Content="40000 — 礼包" Tag="40000"/>
                                    <ComboBoxItem Content="40100 — 时装" Tag="40100"/>
                                    <ComboBoxItem Content="40101 — 武器" Tag="40101"/>
                                    <ComboBoxItem Content="40102 — 帽子" Tag="40102"/>
                                    <ComboBoxItem Content="40103 — 连身衣" Tag="40103"/>
                                    <ComboBoxItem Content="40104 — 上装" Tag="40104"/>
                                    <ComboBoxItem Content="40105 — 下装" Tag="40105"/>
                                    <ComboBoxItem Content="40106 — 手套" Tag="40106"/>
                                    <ComboBoxItem Content="40107 — 鞋子" Tag="40107"/>
                                    <ComboBoxItem Content="40108 — 披风" Tag="40108"/>
                                    <ComboBoxItem Content="40109 — 饰品" Tag="40109"/>
                                    <ComboBoxItem Content="40110 — 皮肤" Tag="40110"/>
                                    <ComboBoxItem Content="40200 — 召唤" Tag="40200"/>
                                    <ComboBoxItem Content="40201 — 陆地坐骑" Tag="40201"/>
                                    <ComboBoxItem Content="40202 — 飞行坐骑" Tag="40202"/>
                                    <ComboBoxItem Content="40203 — 宠物" Tag="40203"/>
                                    <ComboBoxItem Content="40300 — 功能/消耗" Tag="40300"/>
                                    <ComboBoxItem Content="40400 — 表情动作" Tag="40400"/>
                                    <ComboBoxItem Content="40500 — 徽章" Tag="40500"/>
                                    <ComboBoxItem Content="40600 — 乐器" Tag="40600"/>
                                </ComboBox>
                            </Grid>

                            <Label Content="Rarity"/>
                            <ComboBox x:Name="CmbAddRarity" Width="Auto" SelectedIndex="0">
                                <ComboBoxItem Content="普通 (1)" Tag="1"/>
                                <ComboBoxItem Content="稀有 (2)" Tag="2"/>
                                <ComboBoxItem Content="史诗 (3)" Tag="3"/>
                                <ComboBoxItem Content="传说 (4)" Tag="4"/>
                                <ComboBoxItem Content="神话 (5)" Tag="5"/>
                            </ComboBox>

                            <Label Content="Quantity"/>
                            <TextBox x:Name="TxbAddQty" Width="Auto" Text="1"/>

                            <Label Content="BonusQuantity"/>
                            <TextBox x:Name="TxbAddBonusQty" Width="Auto" Text="0"/>

                            <Label Content="Duration (天，0=永久)"/>
                            <TextBox x:Name="TxbAddDuration" Width="Auto" Text="0"/>

                            <Label Content="ParentId (用于礼包组合)"/>
                            <TextBox x:Name="TxbAddParentId" Width="Auto" Text="0"/>
                        </StackPanel>

                        <!-- Right Column -->
                        <StackPanel Grid.Column="2">
                            <TextBlock Text="价格与促销" FontWeight="Bold" FontSize="15" Foreground="{StaticResource AccentLight}" Margin="0,0,0,12"/>

                            <Label Content="Currency"/>
                            <ComboBox x:Name="CmbAddCurrency" Width="Auto" SelectedIndex="0">
                                <ComboBoxItem Content="蓝钻 (1)" Tag="1"/>
                                <ComboBoxItem Content="红钻 (2)" Tag="2"/>
                            </ComboBox>

                            <Label Content="SalePrice (促销价，为0则不促销)"/>
                            <TextBox x:Name="TxbAddSalePrice" Width="Auto" Text="0"/>

                            <Label Content="SaleTag"/>
                            <ComboBox x:Name="CmbAddSaleTag" Width="Auto" SelectedIndex="0">
                                <ComboBoxItem Content="无 (0)" Tag="0"/>
                                <ComboBoxItem Content="新 (1)" Tag="1"/>
                                <ComboBoxItem Content="HOT (2)" Tag="2"/>
                                <ComboBoxItem Content="活动 (3)" Tag="3"/>
                                <ComboBoxItem Content="折扣 (4)" Tag="4"/>
                            </ComboBox>

                            <Label Content="SaleStart (YYYYMMDD，如20260101，留空=现在开始)"/>
                            <TextBox x:Name="TxbAddSaleStart" Width="Auto" Text="1726502400"/>

                            <Label Content="SaleEnd (YYYYMMDD，如20261231，留空=永久)"/>
                            <TextBox x:Name="TxbAddSaleEnd" Width="Auto" Text="2704723200"/>

                            <Label Content="Banner 标签"/>
                            <TextBox x:Name="TxbAddBanner" Width="Auto" Text=""/>

                            <Label Content="BannerTag"/>
                            <TextBox x:Name="TxbAddBannerTag" Width="Auto" Text="0"/>

                            <Label Content="PromoName (促销名称)"/>
                            <TextBox x:Name="TxbAddPromoName" Width="Auto" Text=""/>

                            <Label Content="PromoStart / PromoEnd (YYYYMMDD)"/>
                            <Grid>
                                <Grid.ColumnDefinitions>
                                    <ColumnDefinition Width="*"/>
                                    <ColumnDefinition Width="8"/>
                                    <ColumnDefinition Width="*"/>
                                </Grid.ColumnDefinitions>
                                <TextBox Grid.Column="0" x:Name="TxbAddPromoStart" Width="Auto" Text=""/>
                                <TextBox Grid.Column="2" x:Name="TxbAddPromoEnd" Width="Auto" Text=""/>
                            </Grid>

                            <TextBlock Text="购买限制" FontWeight="Bold" FontSize="15" Foreground="{StaticResource AccentLight}" Margin="0,20,0,12"/>

                            <Label Content="JobRequirement (十六进制，如FFF=全职业)"/>
                            <TextBox x:Name="TxbAddJobReq" Width="Auto" Text="4095"/>

                            <Label Content="MinLevel / MaxLevel"/>
                            <Grid>
                                <Grid.ColumnDefinitions>
                                    <ColumnDefinition Width="*"/>
                                    <ColumnDefinition Width="8"/>
                                    <ColumnDefinition Width="*"/>
                                </Grid.ColumnDefinitions>
                                <TextBox Grid.Column="0" x:Name="TxbAddMinLevel" Width="Auto" Text="0"/>
                                <TextBox Grid.Column="2" x:Name="TxbAddMaxLevel" Width="Auto" Text="0"/>
                            </Grid>

                            <CheckBox x:Name="ChkAddNoRestock" Content="RestockUnavailable (不复刻)" Margin="0,8,0,0"/>
                            <CheckBox x:Name="ChkAddPcCafe"    Content="PcCafe (网吧专属)" Margin="0,6,0,0"/>
                            <CheckBox x:Name="ChkAddGiftable"  Content="Giftable (可赠送)" Margin="0,6,0,0"/>
                            <CheckBox x:Name="ChkAddShowSale"  Content="ShowSaleTime (显示促销时间)" Margin="0,6,0,0"/>

                            <Button x:Name="BtnAdd" Content="添加商品" Style="{StaticResource BtnPrimary}"
                                    Margin="0,20,0,0" Width="150" HorizontalAlignment="Left"
                                    Click="BtnAdd_Click"/>
                        </StackPanel>
                    </Grid>
                </ScrollViewer>
            </TabItem>

            <!-- Tab: 编辑商品 -->
            <TabItem x:Name="TabEdit" Header="编辑商品">
                <Grid Margin="16">
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width="*"/>
                        <ColumnDefinition Width="16"/>
                        <ColumnDefinition Width="*"/>
                    </Grid.ColumnDefinitions>

                    <!-- Left: Fields -->
                    <StackPanel Grid.Column="0">
                        <TextBlock Text="基本信息" FontWeight="Bold" FontSize="15" Foreground="{StaticResource AccentLight}" Margin="0,0,0,12"/>

                        <Label Content="Item Id"/>
                        <TextBox x:Name="TxbEditItemId" Width="Auto" IsEnabled="False"/>
                        
                        <Label Content="Name (搜索自动填充)"/>
                        <Grid x:Name="GridEditItemName">
                            <TextBox x:Name="TxbEditItemName" 
                                     Background="White" Foreground="Black"
                                     VerticalContentAlignment="Center"
                                     TextChanged="TxbEditItemName_TextChanged"
                                     KeyDown="TxbEditItemName_KeyDown"/>
                        </Grid>
                        <Popup x:Name="PopEditItemSuggestions" 
                               PlacementTarget="{Binding ElementName=GridEditItemName}"
                               Placement="Bottom"
                               StaysOpen="False"
                               MaxHeight="200">
                            <ListBox x:Name="LstEditItemSuggestions"
                                     Background="White" Foreground="Black"
                                     Width="{Binding ActualWidth, ElementName=GridEditItemName}"
                                     SelectionChanged="LstEditItemSuggestions_SelectionChanged"
                                     BorderBrush="#ccc" BorderThickness="1"/>
                        </Popup>

                        <Label Content="Rarity"/>
                        <ComboBox x:Name="CmbEditRarity" Width="Auto">
                            <ComboBoxItem Content="普通 (1)" Tag="1"/>
                            <ComboBoxItem Content="稀有 (2)" Tag="2"/>
                            <ComboBoxItem Content="史诗 (3)" Tag="3"/>
                            <ComboBoxItem Content="传说 (4)" Tag="4"/>
                            <ComboBoxItem Content="神话 (5)" Tag="5"/>
                        </ComboBox>

                        <Label Content="Quantity"/>
                        <TextBox x:Name="TxbEditQty" Width="Auto"/>

                        <Label Content="BonusQuantity"/>
                        <TextBox x:Name="TxbEditBonusQty" Width="Auto"/>

                        <Label Content="Duration (天)"/>
                        <TextBox x:Name="TxbEditDuration" Width="Auto"/>

                        <Label Content="ParentId"/>
                        <TextBox x:Name="TxbEditParentId" Width="Auto"/>

                        <Label Content="TabId"/>
                        <Grid>
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="*"/>
                                <ColumnDefinition Width="Auto"/>
                            </Grid.ColumnDefinitions>
                            <TextBox x:Name="TxbEditTabId" Grid.Column="0" Text="10" VerticalContentAlignment="Center"/>
                            <ComboBox x:Name="CmbEditTabId" Grid.Column="1" Width="180" SelectedIndex="0" SelectionChanged="CmbEditTabId_SelectionChanged">
                                <ComboBoxItem Content="10 — 推荐" Tag="10"/>
                                <ComboBoxItem Content="11 — 新品" Tag="11"/>
                                <ComboBoxItem Content="40000 — 礼包" Tag="40000"/>
                                <ComboBoxItem Content="40100 — 时装" Tag="40100"/>
                                <ComboBoxItem Content="40101 — 武器" Tag="40101"/>
                                <ComboBoxItem Content="40102 — 帽子" Tag="40102"/>
                                <ComboBoxItem Content="40103 — 连身衣" Tag="40103"/>
                                <ComboBoxItem Content="40104 — 上装" Tag="40104"/>
                                <ComboBoxItem Content="40105 — 下装" Tag="40105"/>
                                <ComboBoxItem Content="40106 — 手套" Tag="40106"/>
                                <ComboBoxItem Content="40107 — 鞋子" Tag="40107"/>
                                <ComboBoxItem Content="40108 — 披风" Tag="40108"/>
                                <ComboBoxItem Content="40109 — 饰品" Tag="40109"/>
                                <ComboBoxItem Content="40110 — 皮肤" Tag="40110"/>
                                <ComboBoxItem Content="40200 — 召唤" Tag="40200"/>
                                <ComboBoxItem Content="40201 — 陆地坐骑" Tag="40201"/>
                                <ComboBoxItem Content="40202 — 飞行坐骑" Tag="40202"/>
                                <ComboBoxItem Content="40203 — 宠物" Tag="40203"/>
                                <ComboBoxItem Content="40300 — 功能/消耗" Tag="40300"/>
                                <ComboBoxItem Content="40400 — 表情动作" Tag="40400"/>
                                <ComboBoxItem Content="40500 — 徽章" Tag="40500"/>
                                <ComboBoxItem Content="40600 — 乐器" Tag="40600"/>
                            </ComboBox>
                        </Grid>

                        <CheckBox x:Name="ChkEditGiftable"  Content="Giftable" Margin="0,8,0,0"/>
                        <CheckBox x:Name="ChkEditShowSale"  Content="ShowSaleTime" Margin="0,6,0,0"/>

                        <Button x:Name="BtnSaveEdit" Content="保存修改" Style="{StaticResource BtnPrimary}"
                                Margin="0,20,0,0" Width="150" HorizontalAlignment="Left"
                                Click="BtnSaveEdit_Click"/>
                    </StackPanel>

                    <!-- Right: Price & Promo -->
                    <StackPanel Grid.Column="2">
                        <TextBlock Text="价格与促销" FontWeight="Bold" FontSize="15" Foreground="{StaticResource AccentLight}" Margin="0,0,0,12"/>

                        <Label Content="Price"/>
                        <TextBox x:Name="TxbEditPrice" Width="Auto"/>

                        <Label Content="Currency"/>
                        <ComboBox x:Name="CmbEditCurrency" Width="Auto">
                            <ComboBoxItem Content="蓝钻 (1)" Tag="1"/>
                            <ComboBoxItem Content="红钻 (2)" Tag="2"/>
                        </ComboBox>

                        <Label Content="SalePrice"/>
                        <TextBox x:Name="TxbEditSalePrice" Width="Auto"/>

                        <Label Content="SaleTag"/>
                        <ComboBox x:Name="CmbEditSaleTag" Width="Auto">
                            <ComboBoxItem Content="无 (0)" Tag="0"/>
                            <ComboBoxItem Content="新 (1)" Tag="1"/>
                            <ComboBoxItem Content="HOT (2)" Tag="2"/>
                            <ComboBoxItem Content="活动 (3)" Tag="3"/>
                            <ComboBoxItem Content="折扣 (4)" Tag="4"/>
                        </ComboBox>

                        <Label Content="SaleStart (YYYYMMDD)"/>
                        <TextBox x:Name="TxbEditSaleStart" Width="Auto"/>

                        <Label Content="SaleEnd (YYYYMMDD)"/>
                        <TextBox x:Name="TxbEditSaleEnd" Width="Auto"/>

                        <Label Content="Banner"/>
                        <TextBox x:Name="TxbEditBanner" Width="Auto"/>

                        <Label Content="BannerTag"/>
                        <TextBox x:Name="TxbEditBannerTag" Width="Auto"/>

                        <Label Content="PromoName"/>
                        <TextBox x:Name="TxbEditPromoName" Width="Auto"/>

                        <Label Content="PromoStart / PromoEnd"/>
                        <Grid>
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="*"/>
                                <ColumnDefinition Width="8"/>
                                <ColumnDefinition Width="*"/>
                            </Grid.ColumnDefinitions>
                            <TextBox Grid.Column="0" x:Name="TxbEditPromoStart" Width="Auto"/>
                            <TextBox Grid.Column="2" x:Name="TxbEditPromoEnd" Width="Auto"/>
                        </Grid>

                        <Label Content="JobReq (十六进制)"/>
                        <TextBox x:Name="TxbEditJobReq" Width="Auto"/>

                        <Label Content="MinLevel / MaxLevel"/>
                        <Grid>
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="*"/>
                                <ColumnDefinition Width="8"/>
                                <ColumnDefinition Width="*"/>
                            </Grid.ColumnDefinitions>
                            <TextBox Grid.Column="0" x:Name="TxbEditMinLevel" Width="Auto"/>
                            <TextBox Grid.Column="2" x:Name="TxbEditMaxLevel" Width="Auto"/>
                        </Grid>

                        <CheckBox x:Name="ChkEditNoRestock" Content="RestockUnavailable" Margin="0,8,0,0"/>
                        <CheckBox x:Name="ChkEditPcCafe"    Content="PcCafe" Margin="0,6,0,0"/>
                    </StackPanel>
                </Grid>
            </TabItem>

            <!-- Tab: 导入导出 -->
            <TabItem x:Name="TabImport" Header="导入导出">
                <Grid Margin="16">
                    <Grid.RowDefinitions>
                        <RowDefinition Height="Auto"/>
                        <RowDefinition Height="*"/>
                    </Grid.RowDefinitions>

                    <!-- Import section -->
                    <Border Grid.Row="0" Background="{StaticResource BgMid}" CornerRadius="8" Padding="20">
                        <Grid>
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="Auto"/>
                                <ColumnDefinition Width="*"/>
                                <ColumnDefinition Width="Auto"/>
                                <ColumnDefinition Width="Auto"/>
                            </Grid.ColumnDefinitions>

                            <TextBlock Grid.Column="0" Text="导入 CSV:" VerticalAlignment="Center" Margin="0,0,12,0"/>
                            <TextBox Grid.Column="1" x:Name="TxbImportPath" VerticalContentAlignment="Center"
                                     IsReadOnly="True" Background="{StaticResource BgDark}"/>
                            <Button Grid.Column="2" Content="浏览..." Style="{StaticResource BtnSecondary}" Width="80" Margin="8,0"
                                    Click="BtnBrowseImport_Click"/>
                            <Button Grid.Column="3" Content="导入" Style="{StaticResource BtnPrimary}" Width="80"
                                    Click="BtnImport_Click"/>

                            <Grid.RowDefinitions>
                                <RowDefinition Height="Auto"/>
                                <RowDefinition Height="Auto"/>
                                <RowDefinition Height="Auto"/>
                            </Grid.RowDefinitions>
                        </Grid>
                    </Border>

                    <!-- Export section -->
                    <Border Grid.Row="0" Background="{StaticResource BgMid}" CornerRadius="8" Padding="20" Margin="0,100,0,0">
                        <Grid>
                            <Grid.RowDefinitions>
                                <RowDefinition Height="Auto"/>
                                <RowDefinition Height="Auto"/>
                            </Grid.RowDefinitions>
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="Auto"/>
                                <ColumnDefinition Width="*"/>
                                <ColumnDefinition Width="Auto"/>
                            </Grid.ColumnDefinitions>

                            <TextBlock Grid.Row="0" Grid.Column="0" Text="导出 CSV:" VerticalAlignment="Center" Margin="0,0,12,0"/>
                            <TextBox Grid.Row="0" Grid.Column="1" x:Name="TxbExportPath" VerticalContentAlignment="Center"
                                     Text="shop_export.csv" IsReadOnly="True" Background="{StaticResource BgDark}"/>
                            <Button Grid.Row="0" Grid.Column="2" Content="浏览..." Style="{StaticResource BtnSecondary}" Width="80" Margin="8,0"
                                    Click="BtnBrowseExport_Click"/>
                            <Button Grid.Row="1" Grid.Column="2" Content="导出" Style="{StaticResource BtnPrimary}" Width="80" Margin="8,12,0,0"
                                    Click="BtnExport_Click"/>

                            <TextBlock Grid.Row="1" Grid.Column="0" Grid.ColumnSpan="2"
                                       Text="导出字段: Id, ParentId, TabId, Banner, BannerTag, ItemId, Rarity, Quantity, BonusQuantity, DurationInDays, SaleTag, CurrencyType, Price, SalePrice, SaleStartTime, SaleEndTime, JobRequirement, RestockUnavailable, RequireMinLevel, RequireMaxLevel, RequireAchievementId, RequireAchievementRank, PcCafe, Giftable, ShowSaleTime, PromoName, PromoStartTime, PromoEndTime"
                                       Foreground="{StaticResource TextSecondary}" FontSize="11" TextWrapping="Wrap" Margin="0,8,0,0"/>
                        </Grid>
                    </Border>
                </Grid>
            </TabItem>
        </TabControl>

        <!-- XML Preview Panel (collapsible) -->
        <Grid x:Name="XmlPreviewPanel" Grid.Row="4" Visibility="Collapsed" Background="#1a1a2e" MaxHeight="350">
            <Grid.RowDefinitions>
                <RowDefinition Height="28"/>
                <RowDefinition Height="*"/>
            </Grid.RowDefinitions>
            <Border Grid.Row="0" Background="#252540" Padding="8,0">
                <Grid>
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width="*"/>
                        <ColumnDefinition Width="Auto"/>
                    </Grid.ColumnDefinitions>
                    <TextBlock Text="JSON 预览" Foreground="#a0a0c0" FontSize="12" VerticalAlignment="Center"/>
                    <Button Grid.Column="1" Content="✕ 关闭" Background="Transparent" Foreground="#888" 
                            FontSize="11" BorderThickness="0" Padding="8,0"
                            Click="BtnToggleXmlPreview_Click"
                            Cursor="Hand"/>
                </Grid>
            </Border>
            <TextBox Grid.Row="1" x:Name="TxbXmlPreview" 
                     IsReadOnly="True" 
                     FontFamily="Consolas, Courier New" FontSize="12"
                     Foreground="#e0e0e0" Background="#1e1e1e"
                     BorderThickness="0" Padding="8"
                     VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Auto"
                     TextWrapping="NoWrap"
                     AcceptsReturn="True"/>
        </Grid>

        <!-- Bottom Status Bar -->
        <Border Grid.Row="5" Background="{StaticResource BgMid}" Padding="16,8">
            <Grid>
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="Auto"/>
                    <ColumnDefinition Width="*"/>
                    <ColumnDefinition Width="Auto"/>
                    <ColumnDefinition Width="Auto"/>
                    <ColumnDefinition Width="Auto"/>
                </Grid.ColumnDefinitions>

                <StackPanel Grid.Column="0" Orientation="Horizontal">
                    <Ellipse x:Name="DotStatus" Width="8" Height="8" Fill="#fc8181" Margin="0,0,8,0"/>
                    <TextBlock x:Name="TxtStatus" Text="未连接" VerticalAlignment="Center"/>
                </StackPanel>

                <StackPanel Grid.Column="2" Orientation="Horizontal" Margin="0,0,12,0">
                    <Button x:Name="BtnToggleXmlPreview" Content="▼ XML 预览" 
                            Style="{StaticResource BtnSecondary}" Width="100" Height="28" FontSize="12"
                            Click="BtnToggleXmlPreview_Click"/>
                </StackPanel>

                <Button x:Name="BtnApply" Grid.Column="3" Content="应用" Style="{StaticResource BtnPrimary}" 
                        Width="80" Height="28" FontSize="13" FontWeight="Bold"
                        Click="BtnApply_Click"/>

                <TextBlock Grid.Column="4" x:Name="TxtItemCount" Text="0 items" VerticalAlignment="Center"
                           Foreground="{StaticResource TextSecondary}" Margin="12,0,0,0"/>
            </Grid>
        </Border>
    </Grid>
</Window>