ModernAdminStudio/MainWindow.xaml

<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Enterprise Admin Studio - Unified Infrastructure Management"
        Height="840" Width="1360"
        MinHeight="720" MinWidth="1100"
        WindowStartupLocation="CenterScreen"
        Background="{StaticResource BgDarkBrush}"
        FontFamily="{StaticResource ModernFont}">

    <Window.Resources>
        <!-- Included via Application or MergedDictionaries -->
    </Window.Resources>

    <Grid>
        <Grid.ColumnDefinitions>
            <!-- Left Sidebar Navigation -->
            <ColumnDefinition Width="260" />
            <!-- Main Content Area -->
            <ColumnDefinition Width="*" />
        </Grid.ColumnDefinitions>

        <!-- ================= SIDEBAR ================= -->
        <Border Grid.Column="0" Background="{StaticResource SidebarBgBrush}" BorderBrush="{StaticResource CardBorderBrush}" BorderThickness="0,0,1,0">
            <Grid>
                <Grid.RowDefinitions>
                    <!-- Brand / App Logo -->
                    <RowDefinition Height="80" />
                    <!-- Navigation Menu Items -->
                    <RowDefinition Height="*" />
                    <!-- Bottom System Info & Profile -->
                    <RowDefinition Height="Auto" />
                </Grid.RowDefinitions>

                <!-- Brand Header -->
                <StackPanel Grid.Row="0" Margin="20,18,20,10" VerticalAlignment="Center">
                    <StackPanel Orientation="Horizontal">
                        <Border Width="34" Height="34" Background="{StaticResource PrimaryAccentBrush}" CornerRadius="8" Margin="0,0,12,0">
                            <TextBlock Text="&#xE7F4;" FontFamily="{StaticResource IconFont}" FontSize="18" Foreground="White"
                                       HorizontalAlignment="Center" VerticalAlignment="Center" />
                        </Border>
                        <StackPanel VerticalAlignment="Center">
                            <TextBlock Text="Admin Studio" FontSize="16" FontWeight="Bold" Foreground="{StaticResource TextPrimaryBrush}" />
                            <TextBlock Text="Enterprise v1.2" FontSize="11" Foreground="#60A5FA" FontWeight="SemiBold" />
                        </StackPanel>
                    </StackPanel>
                </StackPanel>

                <!-- Navigation List -->
                <ScrollViewer Grid.Row="1" VerticalScrollBarVisibility="Auto">
                    <StackPanel Margin="6,10,6,0">
                        <TextBlock Text="CORE MANAGEMENT" FontSize="11" FontWeight="Bold" Foreground="#475569" Margin="18,12,0,8" />

                        <!-- 1. Dashboard -->
                        <RadioButton x:Name="NavDashboard" Style="{StaticResource NavButtonStyle}" IsChecked="True">
                            <StackPanel Orientation="Horizontal">
                                <TextBlock Text="&#xE80F;" FontFamily="{StaticResource IconFont}" FontSize="16" Width="28" VerticalAlignment="Center" />
                                <TextBlock Text="통합 대시보드" VerticalAlignment="Center" />
                            </StackPanel>
                        </RadioButton>

                        <!-- 2. Active Directory -->
                        <RadioButton x:Name="NavAD" Style="{StaticResource NavButtonStyle}">
                            <StackPanel Orientation="Horizontal">
                                <TextBlock Text="&#xE77B;" FontFamily="{StaticResource IconFont}" FontSize="16" Width="28" VerticalAlignment="Center" />
                                <TextBlock Text="Active Directory" VerticalAlignment="Center" />
                            </StackPanel>
                        </RadioButton>

                        <!-- 3. NetApp Storage -->
                        <RadioButton x:Name="NavNetApp" Style="{StaticResource NavButtonStyle}">
                            <StackPanel Orientation="Horizontal">
                                <TextBlock Text="&#xE7F3;" FontFamily="{StaticResource IconFont}" FontSize="16" Width="28" VerticalAlignment="Center" />
                                <TextBlock Text="NetApp 스토리지" VerticalAlignment="Center" />
                            </StackPanel>
                        </RadioButton>

                        <!-- 4. Share Permission & AD Group Sync -->
                        <RadioButton x:Name="NavShareAccess" Style="{StaticResource NavButtonStyle}">
                            <StackPanel Orientation="Horizontal">
                                <TextBlock Text="&#xE71E;" FontFamily="{StaticResource IconFont}" FontSize="16" Width="28" VerticalAlignment="Center" />
                                <TextBlock Text="공유 권한 및 AD 연계" VerticalAlignment="Center" />
                            </StackPanel>
                        </RadioButton>

                        <!-- 5. MS SQL Database -->
                        <RadioButton x:Name="NavSql" Style="{StaticResource NavButtonStyle}">
                            <StackPanel Orientation="Horizontal">
                                <TextBlock Text="&#xEC92;" FontFamily="{StaticResource IconFont}" FontSize="16" Width="28" VerticalAlignment="Center" />
                                <TextBlock Text="MS SQL DB 관리" VerticalAlignment="Center" />
                            </StackPanel>
                        </RadioButton>

                        <TextBlock Text="PREFERENCES" FontSize="11" FontWeight="Bold" Foreground="#475569" Margin="18,24,0,8" />

                        <!-- 5. Settings -->
                        <RadioButton x:Name="NavSettings" Style="{StaticResource NavButtonStyle}">
                            <StackPanel Orientation="Horizontal">
                                <TextBlock Text="&#xE713;" FontFamily="{StaticResource IconFont}" FontSize="16" Width="28" VerticalAlignment="Center" />
                                <TextBlock Text="환경설정 및 연결" VerticalAlignment="Center" />
                            </StackPanel>
                        </RadioButton>
                    </StackPanel>
                </ScrollViewer>

                <!-- Sidebar Bottom Profile / System Status -->
                <Border Grid.Row="2" BorderBrush="{StaticResource CardBorderBrush}" BorderThickness="0,1,0,0" Padding="16,14">
                    <Grid>
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition Width="38" />
                            <ColumnDefinition Width="*" />
                            <ColumnDefinition Width="Auto" />
                        </Grid.ColumnDefinitions>

                        <!-- Avatar -->
                        <Border Grid.Column="0" Width="36" Height="36" Background="#1E293B" CornerRadius="18" BorderBrush="{StaticResource PrimaryAccentBrush}" BorderThickness="1.5">
                            <TextBlock Text="&#xE77B;" FontFamily="{StaticResource IconFont}" FontSize="18" Foreground="{StaticResource PrimaryAccentBrush}"
                                       HorizontalAlignment="Center" VerticalAlignment="Center" />
                        </Border>

                        <!-- Admin Name / Role -->
                        <StackPanel Grid.Column="1" Margin="10,0,0,0" VerticalAlignment="Center">
                            <TextBlock Text="Domain Admin" FontSize="12.5" FontWeight="SemiBold" Foreground="{StaticResource TextPrimaryBrush}" />
                            <TextBlock Text="CORP\Administrator" FontSize="11" Foreground="{StaticResource TextSecondaryBrush}" />
                        </StackPanel>

                        <!-- Status Dot -->
                        <Border Grid.Column="2" Width="8" Height="8" Background="#10B981" CornerRadius="4" VerticalAlignment="Center" ToolTip="Connected &amp; Healthy" />
                    </Grid>
                </Border>
            </Grid>
        </Border>

        <!-- ================= MAIN CONTENT AREA ================= -->
        <Grid Grid.Column="1">
            <Grid.RowDefinitions>
                <!-- Top Navigation Header -->
                <RowDefinition Height="64" />
                <!-- Dynamic Page View Host -->
                <RowDefinition Height="*" />
                <!-- Global Status Bar -->
                <RowDefinition Height="32" />
            </Grid.RowDefinitions>

            <!-- Top Header Bar -->
            <Border Grid.Row="0" Background="{StaticResource SidebarBgBrush}" BorderBrush="{StaticResource CardBorderBrush}" BorderThickness="0,0,0,1" Padding="24,0">
                <Grid VerticalAlignment="Center">
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width="Auto" />
                        <ColumnDefinition Width="*" />
                        <ColumnDefinition Width="Auto" />
                    </Grid.ColumnDefinitions>

                    <!-- Breadcrumb / Section Header -->
                    <StackPanel Grid.Column="0" Orientation="Horizontal" VerticalAlignment="Center">
                        <TextBlock x:Name="TxtHeaderTitle" Text="통합 대시보드" FontSize="16" FontWeight="SemiBold" Foreground="{StaticResource TextPrimaryBrush}" />
                        <TextBlock Text="  /  " FontSize="14" Foreground="#475569" />
                        <TextBlock x:Name="TxtHeaderSubtitle" Text="전체 인프라 상태 개요" FontSize="13" Foreground="{StaticResource TextSecondaryBrush}" VerticalAlignment="Center" />
                    </StackPanel>

                    <!-- Global Quick Search & Mode Badge & Notification Controls -->
                    <StackPanel Grid.Column="2" Orientation="Horizontal" VerticalAlignment="Center">
                        <!-- Mode Badge (Live vs Demo) -->
                        <Border x:Name="BadgeMode" Background="#6366F1" CornerRadius="6" Padding="10,5" Margin="0,0,16,0">
                            <StackPanel Orientation="Horizontal">
                                <TextBlock Text="&#xE958;" FontFamily="{StaticResource IconFont}" FontSize="12" Foreground="White" Margin="0,0,6,0" VerticalAlignment="Center" />
                                <TextBlock x:Name="TxtModeBadge" Text="데모/모의 모드" FontSize="12" FontWeight="SemiBold" Foreground="White" VerticalAlignment="Center" />
                            </StackPanel>
                        </Border>

                        <Border Background="#1E293B" CornerRadius="6" Padding="10,6" Margin="0,0,16,0" BorderBrush="{StaticResource CardBorderBrush}" BorderThickness="1">
                            <StackPanel Orientation="Horizontal">
                                <TextBlock Text="&#xE721;" FontFamily="{StaticResource IconFont}" FontSize="13" Foreground="{StaticResource TextSecondaryBrush}" Margin="0,0,8,0" VerticalAlignment="Center" />
                                <TextBlock Text="전체 자원 통합 검색 (Ctrl + K)" FontSize="12" Foreground="{StaticResource TextSecondaryBrush}" VerticalAlignment="Center" Width="180" />
                            </StackPanel>
                        </Border>

                        <!-- Notification Bell Button -->
                        <Button x:Name="BtnGlobalNotifications" Style="{StaticResource SecondaryButtonStyle}" Padding="10,6" Margin="0,0,8,0">
                            <StackPanel Orientation="Horizontal">
                                <TextBlock Text="&#xEA8F;" FontFamily="{StaticResource IconFont}" FontSize="14" Margin="0,0,6,0" VerticalAlignment="Center" />
                                <Border Background="#EF4444" CornerRadius="8" Padding="5,1">
                                    <TextBlock Text="2" FontSize="10" FontWeight="Bold" Foreground="White" />
                                </Border>
                            </StackPanel>
                        </Button>

                        <!-- Refresh Current View Button -->
                        <Button x:Name="BtnGlobalRefresh" Content="&#xE72C;" FontFamily="{StaticResource IconFont}" Style="{StaticResource SecondaryButtonStyle}" Padding="10,6" ToolTip="현재 뷰 새로고침" />
                    </StackPanel>
                </Grid>
            </Border>

            <!-- Dynamic View Host (ContentControl) -->
            <ContentControl x:Name="MainContentHost" Grid.Row="1" Margin="0" />

            <!-- Global Bottom Status Bar -->
            <Border Grid.Row="2" Background="{StaticResource SidebarBgBrush}" BorderBrush="{StaticResource CardBorderBrush}" BorderThickness="0,1,0,0" Padding="18,0">
                <Grid VerticalAlignment="Center">
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width="*" />
                        <ColumnDefinition Width="Auto" />
                    </Grid.ColumnDefinitions>

                    <StackPanel Grid.Column="0" Orientation="Horizontal" VerticalAlignment="Center">
                        <Border x:Name="DotGlobalStatus" Background="#10B981" Width="8" Height="8" CornerRadius="4" Margin="0,0,8,0" />
                        <TextBlock x:Name="TxtGlobalStatus" Text="모든 백엔드 모듈 정상 준비됨 | config.json 로드 완료" FontSize="11.5" Foreground="{StaticResource TextSecondaryBrush}" />
                    </StackPanel>

                    <StackPanel Grid.Column="1" Orientation="Horizontal" VerticalAlignment="Center">
                        <TextBlock Text="PowerShell 7 / .NET 8 WPF" FontSize="11" Foreground="#475569" Margin="0,0,16,0" />
                        <TextBlock x:Name="TxtSystemClock" Text="2026-10-20 16:10" FontSize="11" Foreground="{StaticResource TextSecondaryBrush}" />
                    </StackPanel>
                </Grid>
            </Border>
        </Grid>
    </Grid>
</Window>