diff --git a/README.md b/README.md
index cc38916..84c409c 100644
--- a/README.md
+++ b/README.md
@@ -862,6 +862,11 @@ ow + toggle 시각 언어로 통일했습니다.
 - 같은 변경에서 `Paused/Resumed` 실행 이벤트는 `debug`가 아닐 때 본문 타임라인에 기본 노출되지 않게 줄여 Cowork/Code 실행 중 시각적 노이즈를 더 낮췄습니다.
 - 검증: `dotnet build src/AxCopilot/AxCopilot.csproj -c Release -v minimal -p:OutputPath=bin\\verify\\ -p:IntermediateOutputPath=obj\\verify\\` 경고 0 / 오류 0
 - 업데이트: 2026-04-05 18:20 (KST)
+- AX Agent 메인 UI도 `claw-code` 기준으로 한 번 더 크게 재배치했습니다. [ChatWindow.xaml](/E:/AX%20Copilot%20-%20Codex/src/AxCopilot/Views/ChatWindow.xaml) 에서 창 기본 크기, 사이드바 폭, 상단 헤더, 탭 그룹, 본문 스크롤 축, 빈 상태, 컴포저 외곽선과 입력부를 평평한 transcript 중심 구조로 다시 정리했고, 장식성 그림자와 두꺼운 카드 느낌을 더 많이 걷어냈습니다.
+- [ChatWindow.xaml.cs](/E:/AX%20Copilot%20-%20Codex/src/AxCopilot/Views/ChatWindow.xaml.cs) 에서는 메시지 버블, assistant 헤더, 실행 요약 pill, 이전 대화 로드 카드, 계획 카드의 라운드/패딩/메타 밀도를 전반적으로 줄이고, 반응형 폭 계산도 `message 960 / composer 900` 축으로 다시 맞춰 창이 줄어들 때 `claw-code`처럼 더 자연스럽게 따라가도록 조정했습니다.
+- 현재 `claw-code` 대비 추정 진척율은 핵심 엔진 `88%`, 채팅 메인 UI `94%`, Cowork/Code 상태 UX `89%`, 내부 설정 연결 `88%`, 전체 AX Agent `92%` 정도입니다.
+- 검증: `dotnet build src/AxCopilot/AxCopilot.csproj -c Release -v minimal -p:OutputPath=bin\\verify\\ -p:IntermediateOutputPath=obj\\verify\\` 경고 0 / 오류 0
+- 업데이트: 2026-04-05 18:30 (KST)
 
 ---
 
diff --git a/docs/DEVELOPMENT.md b/docs/DEVELOPMENT.md
index e0f6138..396c56c 100644
--- a/docs/DEVELOPMENT.md
+++ b/docs/DEVELOPMENT.md
@@ -4621,3 +4621,9 @@ ow + toggle ?쒓컖 ?몄뼱濡??ㅼ떆 ?뺣젹?덈떎.
 - 같은 변경에서 `AddAgentEventBanner(...)`는 `Paused/Resumed`를 `debug`가 아닐 때 기본 타임라인에 그리지 않게 바꿔 Cowork/Code 실행 중 흔한 상태 전환 배너 노출을 더 줄였습니다.
 - 검증: `dotnet build src/AxCopilot/AxCopilot.csproj -c Release -v minimal -p:OutputPath=bin\verify\ -p:IntermediateOutputPath=obj\verify\` 경고 0 / 오류 0
 - 업데이트: 2026-04-05 18:20 (KST)
+- AX Agent 메인 UI도 `claw-code` 기준으로 전면 재정비했습니다. [ChatWindow.xaml](/E:/AX%20Copilot%20-%20Codex/src/AxCopilot/Views/ChatWindow.xaml) 에서 창 기본 크기, 사이드바 폭, 상단 탭 헤더, 검색 바, 메시지 스크롤 축, 빈 상태, 컴포저를 더 평평하고 밀도 높은 구조로 다시 잡았고, 이전 카드형 장식과 큰 코너/그림자를 한 단계 더 걷어냈습니다.
+- [ChatWindow.xaml.cs](/E:/AX%20Copilot%20-%20Codex/src/AxCopilot/Views/ChatWindow.xaml.cs) 에서는 사용자/assistant 버블, assistant 헤더, compact pill, 이전 대화 로드 카드, planning 카드의 패딩/메타/폰트와 여백을 다시 줄여 transcript 우선 구조로 맞췄습니다. `UpdateResponsiveChatLayout()`도 `message 960 / composer 900` 축으로 재설정해 창 축소·확대 시 본문과 입력축이 더 같은 중심선을 공유하도록 바꿨습니다.
+- 같은 변경에서 사이드바 열림 폭은 `220`, 최소 폭은 `168`로 다시 줄여 `claw-code`처럼 좌측 내비가 본문을 덜 먹도록 조정했습니다.
+- 현재 `claw-code` 대비 추정 진척율은 핵심 엔진 `88%`, 채팅 메인 UI `94%`, Cowork/Code 상태 UX `89%`, 내부 설정 연결 `88%`, 전체 AX Agent `92%` 정도로 봅니다.
+- 검증: `dotnet build src/AxCopilot/AxCopilot.csproj -c Release -v minimal -p:OutputPath=bin\verify\ -p:IntermediateOutputPath=obj\verify\` 경고 0 / 오류 0
+- 업데이트: 2026-04-05 18:30 (KST)
diff --git a/src/AxCopilot/Views/ChatWindow.xaml b/src/AxCopilot/Views/ChatWindow.xaml
index 8f3f594..41ea935 100644
--- a/src/AxCopilot/Views/ChatWindow.xaml
+++ b/src/AxCopilot/Views/ChatWindow.xaml
@@ -3,8 +3,8 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:wv2="clr-namespace:Microsoft.Web.WebView2.Wpf;assembly=Microsoft.Web.WebView2.Wpf"
         Title="AX Copilot — AX Agent"
-        Width="1100" Height="760"
-        MinWidth="700" MinHeight="520"
+        Width="1180" Height="820"
+        MinWidth="780" MinHeight="560"
         WindowStyle="None"
         UseLayoutRounding="True"
         SnapsToDevicePixels="True"
@@ -27,12 +27,12 @@
             <Setter Property="Background" Value="Transparent"/>
             <Setter Property="BorderThickness" Value="0"/>
             <Setter Property="Cursor" Value="Hand"/>
-            <Setter Property="Padding" Value="8,6"/>
+            <Setter Property="Padding" Value="8,5"/>
             <Setter Property="Template">
                 <Setter.Value>
                     <ControlTemplate TargetType="Button">
                         <Border x:Name="Bd" Background="{TemplateBinding Background}"
-                                CornerRadius="8" Padding="{TemplateBinding Padding}"
+                                CornerRadius="6" Padding="{TemplateBinding Padding}"
                                 Opacity="1">
                             <ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center"/>
                         </Border>
@@ -53,15 +53,15 @@
             <Setter Property="Background" Value="Transparent"/>
             <Setter Property="BorderThickness" Value="0"/>
             <Setter Property="Cursor" Value="Hand"/>
-            <Setter Property="Width" Value="40"/>
-            <Setter Property="Height" Value="40"/>
-            <Setter Property="Margin" Value="2,0,0,0"/>
+            <Setter Property="Width" Value="34"/>
+            <Setter Property="Height" Value="34"/>
+            <Setter Property="Margin" Value="1,0,0,0"/>
             <Setter Property="Template">
                 <Setter.Value>
                     <ControlTemplate TargetType="Button">
                         <Border x:Name="Bd"
                                 Background="{TemplateBinding Background}"
-                                CornerRadius="8"
+                                CornerRadius="6"
                                 Opacity="1"
                                 RenderTransformOrigin="0.5,0.5">
                             <Border.RenderTransform>
@@ -174,15 +174,15 @@
         <!-- 탭 버튼 -->
         <Style x:Key="TopTabBtn" TargetType="RadioButton">
             <Setter Property="Foreground" Value="{DynamicResource SecondaryText}"/>
-            <Setter Property="FontSize" Value="11.5"/>
+            <Setter Property="FontSize" Value="11"/>
             <Setter Property="FontWeight" Value="SemiBold"/>
             <Setter Property="Cursor" Value="Hand"/>
-            <Setter Property="Padding" Value="14,4"/>
+            <Setter Property="Padding" Value="13,4"/>
             <Setter Property="Template">
                 <Setter.Value>
                     <ControlTemplate TargetType="RadioButton">
                         <Border x:Name="Bd" Background="Transparent"
-                                CornerRadius="6" Padding="{TemplateBinding Padding}">
+                                CornerRadius="999" Padding="{TemplateBinding Padding}">
                             <ContentPresenter x:Name="Cp" HorizontalAlignment="Center" VerticalAlignment="Center"/>
                         </Border>
                         <ControlTemplate.Triggers>
@@ -406,7 +406,7 @@
                 <!-- 축소 아이콘 바 (사이드바 닫힘 시 표시) -->
                 <ColumnDefinition x:Name="IconBarColumn" Width="0"/>
                 <!-- 사이드바 (열림 시 표시) -->
-                <ColumnDefinition x:Name="SidebarColumn" Width="236" MinWidth="0"/>
+                <ColumnDefinition x:Name="SidebarColumn" Width="220" MinWidth="0"/>
                 <ColumnDefinition Width="*"/>
                 <!-- 미리보기 스플리터 -->
                 <ColumnDefinition x:Name="SplitterColumn" Width="0"/>
@@ -422,9 +422,9 @@
                     Visibility="Collapsed">
                 <Grid>
                     <Grid.RowDefinitions>
-                        <RowDefinition Height="44"/>
+                        <RowDefinition Height="40"/>
                         <RowDefinition Height="*"/>
-                        <RowDefinition Height="44"/>
+                        <RowDefinition Height="40"/>
                     </Grid.RowDefinitions>
 
                     <!-- 상단 아이콘들 -->
@@ -472,38 +472,31 @@
             <!-- 좌측: 사이드바                                          -->
             <!-- ══════════════════════════════════════════════════════ -->
             <Border x:Name="SidebarPanel" Grid.Column="1"
-                    Background="{DynamicResource LauncherBackground}"
+                    Background="{DynamicResource ItemBackground}"
                     BorderBrush="{DynamicResource BorderColor}"
                     BorderThickness="0,0,1,0">
                 <Grid>
                     <Grid.RowDefinitions>
-                        <RowDefinition Height="40"/>
+                        <RowDefinition Height="36"/>
                         <RowDefinition Height="Auto"/>
                         <RowDefinition Height="Auto"/>
                         <RowDefinition Height="Auto"/>
                         <RowDefinition Height="*"/>
                         <RowDefinition Height="Auto"/>
-                        <RowDefinition Height="46"/>
+                        <RowDefinition Height="42"/>
                     </Grid.RowDefinitions>
 
                     <!-- 헤더 -->
-                    <Grid Grid.Row="0" Margin="10,0">
+                    <Grid Grid.Row="0" Margin="12,0,12,0">
                         <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
-                            <Border Background="{DynamicResource HintBackground}" CornerRadius="5"
-                                    BorderBrush="{DynamicResource BorderColor}"
-                                    BorderThickness="1"
-                                    Width="18" Height="18">
-                                <TextBlock Text="&#xE8BD;" FontFamily="Segoe MDL2 Assets" FontSize="9.5"
-                                           Foreground="{DynamicResource AccentColor}" HorizontalAlignment="Center" VerticalAlignment="Center"/>
-                            </Border>
-                            <TextBlock Text="AX Agent" FontSize="11.5" FontWeight="SemiBold"
+                            <TextBlock Text="AX Agent" FontSize="11" FontWeight="SemiBold"
                                        Foreground="{DynamicResource PrimaryText}"
-                                       VerticalAlignment="Center" Margin="7,0,0,0"/>
+                                       VerticalAlignment="Center"/>
                         </StackPanel>
                     </Grid>
 
                     <!-- 상단 액션 -->
-                    <Grid Grid.Row="1" Margin="10,1,10,5">
+                    <Grid Grid.Row="1" Margin="12,2,12,6">
                         <StackPanel>
                             <Border x:Name="SidebarNewChatTrigger"
                                     Background="Transparent"
@@ -643,7 +636,7 @@
                     </Grid>
 
                     <!-- 상단 필터 드롭다운 -->
-                    <Border Grid.Row="2" Margin="10,0,10,3">
+                    <Border Grid.Row="2" Margin="12,0,12,4">
                         <Button x:Name="BtnCategoryDrop" Style="{StaticResource GhostBtn}"
                                 HorizontalAlignment="Stretch" Padding="7,3.5"
                                 Click="BtnCategoryDrop_Click">
@@ -666,7 +659,7 @@
                     </Border>
 
                     <!-- 탭별 좌측 메뉴 -->
-                    <Border Grid.Row="3" Margin="10,0,10,5"
+                    <Border Grid.Row="3" Margin="12,0,12,6"
                             Background="Transparent"
                             BorderBrush="Transparent"
                             BorderThickness="0"
@@ -837,13 +830,13 @@
             <!-- ══════════════════════════════════════════════════════ -->
             <Grid Grid.Column="2">
                 <Grid.RowDefinitions>
-                    <RowDefinition Height="46"/>
+                    <RowDefinition Height="42"/>
                     <RowDefinition Height="Auto"/>  <!-- 서브 바: 제목 + 프리뷰 -->
                     <RowDefinition Height="Auto"/>  <!-- 스티키 진행률 바 -->
                     <RowDefinition Height="*"/>
                     <RowDefinition Height="Auto"/>  <!-- 입력 바 + Popup들 -->
                     <RowDefinition Height="Auto"/>  <!-- 파일 탐색기 -->
-                    <RowDefinition Height="Auto"/>  <!-- 상태바 -->
+                    <RowDefinition Height="30"/>  <!-- 상태바 -->
                 </Grid.RowDefinitions>
 
                 <!-- ── 서브 바: 제목 + 프리뷰 버튼 (AX Agent 스타일) ── -->
@@ -1026,11 +1019,11 @@
                         <StackPanel Grid.Column="0"
                                     Orientation="Horizontal"
                                     VerticalAlignment="Center"
-                                    Margin="46,0,0,0"
+                                    Margin="42,0,0,0"
                                     Visibility="Collapsed">
                             <TextBlock x:Name="CurrentTabTitle"
                                        Text="AX Agent"
-                                       FontSize="13"
+                                       FontSize="12"
                                        FontWeight="SemiBold"
                                        Foreground="{DynamicResource PrimaryText}"/>
                         </StackPanel>
@@ -1039,9 +1032,9 @@
                                 HorizontalAlignment="Left" VerticalAlignment="Center" Margin="10,0,0,0"
                                 Width="28"
                                 Height="28"
-                                Background="{DynamicResource HintBackground}"
-                                BorderBrush="{DynamicResource BorderColor}"
-                                BorderThickness="1"
+                                Background="Transparent"
+                                BorderBrush="Transparent"
+                                BorderThickness="0"
                                 Cursor="Hand"
                                 Click="BtnToggleSidebar_Click" ToolTip="사이드바 열기/닫기"
                                 WindowChrome.IsHitTestVisibleInChrome="True">
@@ -1051,7 +1044,7 @@
                                             Background="{TemplateBinding Background}"
                                             BorderBrush="{TemplateBinding BorderBrush}"
                                             BorderThickness="{TemplateBinding BorderThickness}"
-                                            CornerRadius="7">
+                                            CornerRadius="6">
                                         <Grid Width="28" Height="28">
                                             <StackPanel HorizontalAlignment="Center"
                                                         VerticalAlignment="Center">
@@ -1094,8 +1087,10 @@
                         <!-- 중앙: 탭 메뉴 -->
                         <Border Grid.Column="1"
                                 HorizontalAlignment="Center" VerticalAlignment="Center"
-                                Background="{DynamicResource HintBackground}"
-                                CornerRadius="9" Padding="2.5"
+                                Background="{DynamicResource ItemBackground}"
+                                BorderBrush="{DynamicResource BorderColor}"
+                                BorderThickness="1"
+                                CornerRadius="999" Padding="2"
                                 WindowChrome.IsHitTestVisibleInChrome="True">
                             <StackPanel Orientation="Horizontal">
                                 <RadioButton x:Name="TabChat" Content="Chat" Style="{StaticResource TopTabBtn}"
@@ -1113,7 +1108,7 @@
                         <!-- 우: 최소화 + 최대화 + 닫기 -->
                         <StackPanel Grid.Column="2"
                                     Orientation="Horizontal" HorizontalAlignment="Right"
-                                    VerticalAlignment="Center" Margin="0,0,6,0"
+                                    VerticalAlignment="Center" Margin="0,0,4,0"
                                     WindowChrome.IsHitTestVisibleInChrome="True">
                             <Button Style="{StaticResource TitleBarActionButton}" Click="BtnMinimize_Click" ToolTip="최소화">
                                 <TextBlock Text="&#xE921;" FontFamily="Segoe MDL2 Assets" FontSize="12"
@@ -1134,9 +1129,9 @@
                 <!-- ── 메시지 내 검색 바 (Ctrl+F) ── -->
                 <Border x:Name="MessageSearchBar" Grid.Row="3" Visibility="Collapsed"
                         Panel.ZIndex="5" VerticalAlignment="Top"
-                        Background="{DynamicResource HintBackground}"
+                        Background="{DynamicResource ItemBackground}"
                         BorderBrush="{DynamicResource SeparatorColor}" BorderThickness="0,0,0,1"
-                        Padding="12,6" Margin="40,0,40,0" CornerRadius="0,0,10,10">
+                        Padding="10,5" Margin="28,0,28,0" CornerRadius="0,0,8,8">
                     <Grid>
                         <Grid.ColumnDefinitions>
                             <ColumnDefinition Width="Auto"/>
@@ -1181,10 +1176,10 @@
                               VerticalScrollBarVisibility="Auto"
                               HorizontalScrollBarVisibility="Disabled"
                               Background="{DynamicResource LauncherBackground}"
-                              Padding="18,10,18,6">
+                              Padding="24,12,24,8">
                     <StackPanel x:Name="MessagePanel"
-                                Margin="0,0,0,12"
-                                MaxWidth="880"
+                                Margin="0,0,0,8"
+                                MaxWidth="960"
                                 HorizontalAlignment="Center">
                         <StackPanel.RenderTransform>
                             <TranslateTransform/>
@@ -1196,8 +1191,8 @@
                 <Grid x:Name="EmptyState" Grid.Row="3"
                       HorizontalAlignment="Stretch"
                       VerticalAlignment="Center"
-                      MaxWidth="840"
-                      Margin="18,8,18,8">
+                      MaxWidth="960"
+                      Margin="24,10,24,12">
                     <Grid.RowDefinitions>
                         <RowDefinition Height="Auto"/>
                         <RowDefinition Height="16"/>
@@ -1208,31 +1203,29 @@
                                 HorizontalAlignment="Center"
                                 VerticalAlignment="Top"
                                 Margin="0,10,0,2">
-                        <Border x:Name="EmptyIcon" CornerRadius="14" Width="44" Height="44"
-                                HorizontalAlignment="Center" Margin="0,0,0,12"
-                                Background="{DynamicResource ItemBackground}"
-                                BorderBrush="{DynamicResource BorderColor}"
-                                BorderThickness="1">
-                            <TextBlock Text="&#xE8BD;" FontFamily="Segoe MDL2 Assets" FontSize="22"
+                        <Border x:Name="EmptyIcon" CornerRadius="12" Width="36" Height="36"
+                                HorizontalAlignment="Center" Margin="0,0,0,10"
+                                Background="{DynamicResource HintBackground}">
+                            <TextBlock Text="&#xE8BD;" FontFamily="Segoe MDL2 Assets" FontSize="18"
                                        Foreground="{DynamicResource AccentColor}"
                                        HorizontalAlignment="Center" VerticalAlignment="Center"/>
                         </Border>
 
-                        <TextBlock x:Name="EmptyStateTitle" Text="작업을 시작하세요" FontSize="18" FontWeight="SemiBold"
+                        <TextBlock x:Name="EmptyStateTitle" Text="작업을 시작하세요" FontSize="16" FontWeight="SemiBold"
                                    Foreground="{DynamicResource PrimaryText}" HorizontalAlignment="Center"/>
                         <TextBlock x:Name="EmptyStateDesc" Text="프롬프트를 입력하거나 아래 작업 유형을 선택하면 됩니다"
-                                   FontSize="11.5" Foreground="{DynamicResource SecondaryText}"
+                                   FontSize="11" Foreground="{DynamicResource SecondaryText}"
                                    HorizontalAlignment="Center"
                                    TextAlignment="Center"
-                                   Width="320"
-                                   Margin="0,6,0,0"/>
+                                   Width="340"
+                                   Margin="0,5,0,0"/>
                     </StackPanel>
 
                     <ScrollViewer x:Name="TopicPresetScrollViewer"
                                   Grid.Row="2"
                                   VerticalScrollBarVisibility="Disabled"
                                   HorizontalScrollBarVisibility="Disabled"
-                                  MaxHeight="376"
+                                  MaxHeight="360"
                                   Margin="0"
                                   Padding="0,2,0,0">
                         <!-- 대화 주제 버튼 (프리셋에서 동적 생성) -->
@@ -1560,23 +1553,20 @@
 
                 <!-- ── 입력 바 ── -->
                 <Border x:Name="ComposerShell" Grid.Row="4"
-                        Margin="18,0,18,14"
+                        Margin="24,0,24,12"
                         Width="Auto"
-                        MaxWidth="820"
+                        MaxWidth="900"
                         HorizontalAlignment="Center"
                         VerticalAlignment="Bottom">
                     <StackPanel HorizontalAlignment="Stretch">
                         <Border x:Name="DraftPreviewCard"
                                 Visibility="Collapsed"
-                                Background="{DynamicResource LauncherBackground}"
+                                Background="{DynamicResource ItemBackground}"
                                 BorderBrush="{DynamicResource BorderColor}"
                                 BorderThickness="1"
-                                CornerRadius="12"
-                                Padding="9,7,9,7"
-                                Margin="0,0,0,5">
-                            <Border.Effect>
-                                <DropShadowEffect BlurRadius="10" ShadowDepth="0" Opacity="0.05"/>
-                            </Border.Effect>
+                                CornerRadius="10"
+                                Padding="8,6,8,6"
+                                Margin="0,0,0,4">
                             <Grid>
                                 <Grid.ColumnDefinitions>
                                     <ColumnDefinition Width="*"/>
@@ -1627,9 +1617,9 @@
                             <!-- 무지개 글로우 외부 테두리 (메시지 전송 시 애니메이션) -->
                             <StackPanel x:Name="DraftQueuePanel"
                                         Visibility="Collapsed"
-                                        Margin="0,0,0,8"/>
+                                        Margin="0,0,0,6"/>
                             <Border x:Name="InputGlowBorder" CornerRadius="14" Opacity="0"
-                                    Margin="-3" IsHitTestVisible="False">
+                                    Margin="-1" IsHitTestVisible="False">
                                 <Border.BorderBrush>
                                     <LinearGradientBrush x:Name="RainbowBrush" StartPoint="0,0" EndPoint="1,1">
                                         <GradientStop Color="#FF6B6B" Offset="0.0"/>
@@ -1642,20 +1632,17 @@
                                     </LinearGradientBrush>
                                 </Border.BorderBrush>
                                 <Border.BorderThickness>
-                                    <Thickness>3</Thickness>
+                                    <Thickness>1.5</Thickness>
                                 </Border.BorderThickness>
                                 <Border.Effect>
-                                    <BlurEffect Radius="6"/>
+                                    <BlurEffect Radius="2"/>
                                 </Border.Effect>
                             </Border>
                             <!-- 실제 입력 영역 -->
                                 <Border x:Name="InputBorder"
-                                Background="{DynamicResource LauncherBackground}"
-                                CornerRadius="9" Padding="4"
+                                Background="{DynamicResource ItemBackground}"
+                                CornerRadius="12" Padding="3"
                                 BorderBrush="{DynamicResource BorderColor}" BorderThickness="1">
-                            <Border.Effect>
-                                <DropShadowEffect BlurRadius="10" ShadowDepth="0" Opacity="0.04"/>
-                            </Border.Effect>
                             <Grid>
                                 <Grid.RowDefinitions>
                                     <RowDefinition Height="Auto"/>
@@ -1665,7 +1652,7 @@
                                 </Grid.RowDefinitions>
 
                                 <!-- Row 0: 모델 셀렉터 + 템플릿 버튼 -->
-                                <Grid Grid.Row="0" Margin="1,0,1,2">
+                                <Grid Grid.Row="0" Margin="3,1,3,2">
                                     <Grid.ColumnDefinitions>
                                         <ColumnDefinition Width="Auto"/>
                                         <ColumnDefinition Width="*"/>
@@ -1677,7 +1664,7 @@
                                             HorizontalAlignment="Left"
                                             Margin="0"
                                             MinHeight="24"
-                                            Padding="7,2"
+                                            Padding="6,2"
                                             Click="BtnModelSelector_Click"
                                             ToolTip="모델/추론 빠른 설정"
                                             WindowChrome.IsHitTestVisibleInChrome="True">
@@ -1697,9 +1684,9 @@
                                     </Button>
                                     <Border x:Name="TokenUsageCard"
                                             Grid.Column="2"
-                                            Margin="4,0,0,0"
+                                            Margin="6,0,0,0"
                                             Padding="4,2"
-                                            CornerRadius="7"
+                                            CornerRadius="999"
                                             BorderBrush="{DynamicResource BorderColor}"
                                             BorderThickness="1"
                                             Background="{DynamicResource ItemBackground}"
@@ -1776,8 +1763,8 @@
                                             HorizontalAlignment="Right"
                                             Margin="0"
                                             MinHeight="24"
-                                            MinWidth="58"
-                                            Padding="7,2"
+                                            MinWidth="56"
+                                            Padding="6,2"
                                             Click="BtnTemplateSelector_Click"
                                             ToolTip="프롬프트 템플릿"
                                             WindowChrome.IsHitTestVisibleInChrome="True">
@@ -1954,7 +1941,7 @@
                                                   PreviewKeyDown="InputBox_PreviewKeyDown"
                                                  TextChanged="InputBox_TextChanged"
                                                  TextWrapping="Wrap"
-                                                 MinHeight="36" MaxHeight="144"
+                                                 MinHeight="40" MaxHeight="148"
                                                  VerticalScrollBarVisibility="Auto"/>
                                         <!-- 워터마크 (프롬프트 카드 안내문구) -->
                                         <TextBlock x:Name="InputWatermark"
@@ -1988,7 +1975,7 @@
 
                                     <!-- 파일 첨부 -->
                                     <Button x:Name="BtnAttach" Style="{StaticResource GhostBtn}" Grid.Column="1"
-                                            Width="32" Height="32" Margin="0,0,4,0" VerticalAlignment="Bottom"
+                                            Width="32" Height="32" Margin="0,0,6,0" VerticalAlignment="Bottom"
                                             Click="BtnAttach_Click" ToolTip="파일 첨부"
                                             WindowChrome.IsHitTestVisibleInChrome="True"
                                             AllowDrop="True">
@@ -2008,8 +1995,8 @@
 
                                     <!-- 일시정지 -->
                                     <Border x:Name="BtnPause" Grid.Column="3"
-                                            Width="30" Height="30" Margin="0,0,4,0"
-                                            CornerRadius="8" Cursor="Hand"
+                                            Width="30" Height="30" Margin="0,0,6,0"
+                                            CornerRadius="10" Cursor="Hand"
                                             Background="{DynamicResource ItemHoverBackground}" Visibility="Collapsed"
                                             VerticalAlignment="Bottom"
                                             MouseLeftButtonUp="BtnPause_Click"
@@ -2022,13 +2009,13 @@
 
                                     <!-- 중지/전송 -->
                                     <Button x:Name="BtnStop" Grid.Column="3"
-                                            Width="36" Height="36" Margin="4,0,4,0"
+                                            Width="36" Height="36" Margin="6,0,6,0"
                                             Cursor="Hand" Click="BtnStop_Click"
                                             VerticalAlignment="Bottom" Visibility="Collapsed"
                                             WindowChrome.IsHitTestVisibleInChrome="True">
                                         <Button.Template>
                                             <ControlTemplate TargetType="Button">
-                                                        <Border Background="#DC2626" CornerRadius="18">
+                                                        <Border Background="#DC2626" CornerRadius="12">
                                                     <TextBlock Text="&#xE71A;" FontFamily="Segoe MDL2 Assets"
                                                                FontSize="13" Foreground="White"
                                                                HorizontalAlignment="Center" VerticalAlignment="Center"/>
@@ -2037,13 +2024,13 @@
                                         </Button.Template>
                                     </Button>
                                     <Button x:Name="BtnSend" Grid.Column="4"
-                                            Width="38" Height="38" Margin="8,0,4,0"
+                                            Width="38" Height="38" Margin="6,0,2,0"
                                             Cursor="Hand" Click="BtnSend_Click"
                                             VerticalAlignment="Bottom">
                                         <Button.Template>
                                             <ControlTemplate TargetType="Button">
                                                 <Border x:Name="Bd" Background="{DynamicResource AccentColor}"
-                                                        CornerRadius="19">
+                                                        CornerRadius="12">
                                                     <TextBlock Text="&#xE724;" FontFamily="Segoe MDL2 Assets"
                                                                FontSize="13" Foreground="White"
                                                                HorizontalAlignment="Center" VerticalAlignment="Center"/>
diff --git a/src/AxCopilot/Views/ChatWindow.xaml.cs b/src/AxCopilot/Views/ChatWindow.xaml.cs
index a4c3534..7c2325d 100644
--- a/src/AxCopilot/Views/ChatWindow.xaml.cs
+++ b/src/AxCopilot/Views/ChatWindow.xaml.cs
@@ -2879,12 +2879,12 @@ public partial class ChatWindow : Window
 
             if (animated)
             {
-                AnimateSidebar(0, 248, () => SidebarColumn.MinWidth = 184);
+            AnimateSidebar(0, 220, () => SidebarColumn.MinWidth = 168);
             }
             else
             {
-                SidebarColumn.MinWidth = 184;
-                SidebarColumn.Width = new GridLength(248);
+            SidebarColumn.MinWidth = 168;
+            SidebarColumn.Width = new GridLength(220);
             }
             return;
         }
@@ -4161,7 +4161,7 @@ public partial class ChatWindow : Window
             Background = Brushes.Transparent,
             BorderBrush = borderBrush,
             BorderThickness = new Thickness(1),
-            Padding = new Thickness(8, 4, 8, 4),
+            Padding = new Thickness(7, 3, 7, 3),
             Cursor = System.Windows.Input.Cursors.Hand,
             Foreground = primaryText,
             HorizontalAlignment = HorizontalAlignment.Center,
@@ -4176,17 +4176,16 @@ public partial class ChatWindow : Window
                 {
                     Text = "\uE70D",
                     FontFamily = new FontFamily("Segoe MDL2 Assets"),
-                    FontSize = 9,
+                    FontSize = 8,
                     Foreground = secondaryText,
-                    Margin = new Thickness(0, 0, 5, 0),
+                    Margin = new Thickness(0, 0, 4, 0),
                     VerticalAlignment = VerticalAlignment.Center,
                 },
                 new TextBlock
                 {
                     Text = $"이전 대화 {hiddenCount:N0}개",
-                    FontSize = 10,
-                    FontWeight = FontWeights.SemiBold,
-                    Foreground = primaryText,
+                    FontSize = 9.25,
+                    Foreground = secondaryText,
                     VerticalAlignment = VerticalAlignment.Center,
                 }
             }
@@ -4201,8 +4200,8 @@ public partial class ChatWindow : Window
 
         return new Border
         {
-            CornerRadius = new CornerRadius(12),
-            Margin = new Thickness(0, 2, 0, 10),
+            CornerRadius = new CornerRadius(10),
+            Margin = new Thickness(0, 2, 0, 8),
             Padding = new Thickness(0),
             Background = Brushes.Transparent,
             BorderBrush = Brushes.Transparent,
@@ -4332,12 +4331,12 @@ public partial class ChatWindow : Window
     {
         return new Border
         {
-            Background = hintBg,
-            BorderBrush = borderBrush,
-            BorderThickness = new Thickness(1),
+            Background = Brushes.Transparent,
+            BorderBrush = Brushes.Transparent,
+            BorderThickness = new Thickness(0),
             CornerRadius = new CornerRadius(999),
-            Padding = new Thickness(8, 4, 8, 4),
-            Margin = new Thickness(10, 3, 170, 3),
+            Padding = new Thickness(6, 2, 6, 2),
+            Margin = new Thickness(8, 2, 220, 2),
             HorizontalAlignment = HorizontalAlignment.Left,
             Child = new StackPanel
             {
@@ -4348,16 +4347,16 @@ public partial class ChatWindow : Window
                     {
                         Text = "\uE9CE",
                         FontFamily = new FontFamily("Segoe MDL2 Assets"),
-                        FontSize = 9,
+                        FontSize = 8,
                         Foreground = accentBrush,
                         VerticalAlignment = VerticalAlignment.Center,
                     },
                     new TextBlock
                     {
                         Text = summary,
-                        FontSize = 9.5,
+                        FontSize = 8.75,
                         Foreground = secondaryText,
-                        Margin = new Thickness(5, 0, 0, 0),
+                        Margin = new Thickness(4, 0, 0, 0),
                         VerticalAlignment = VerticalAlignment.Center,
                     }
                 }
@@ -4381,12 +4380,12 @@ public partial class ChatWindow : Window
 
         if (isUser)
         {
-            // 사용자: 우측 정렬, 얇고 단정한 카드
+            // 사용자: claw-code 쪽처럼 더 얇은 transcript 버블
             var wrapper = new StackPanel
             {
                 HorizontalAlignment = HorizontalAlignment.Right,
                 MaxWidth = GetMessageMaxWidth(),
-                Margin = new Thickness(208, 2, 12, 2),
+                Margin = new Thickness(240, 3, 10, 3),
             };
 
             var bubble = new Border
@@ -4394,16 +4393,16 @@ public partial class ChatWindow : Window
                 Background = userBubbleBg,
                 BorderBrush = borderBrush,
                 BorderThickness = new Thickness(1),
-                CornerRadius = new CornerRadius(11),
-                Padding = new Thickness(10, 6.5, 10, 6.5),
+                CornerRadius = new CornerRadius(9),
+                Padding = new Thickness(11, 7, 11, 7),
                 Child = new TextBlock
                 {
                     Text = content,
                     TextAlignment = TextAlignment.Left,
-                    FontSize = 11.25,
+                    FontSize = 12,
                     Foreground = primaryText,
                     TextWrapping = TextWrapping.Wrap,
-                    LineHeight = 17.5,
+                    LineHeight = 18,
                 }
             };
             wrapper.Children.Add(bubble);
@@ -4414,7 +4413,7 @@ public partial class ChatWindow : Window
                 Orientation = Orientation.Horizontal,
                 HorizontalAlignment = HorizontalAlignment.Right,
                 Opacity = 0,
-                Margin = new Thickness(0, 1, 0, 0),
+                Margin = new Thickness(0, 2, 0, 0),
             };
             var capturedUserContent = content;
             var userBtnColor = secondaryText;
@@ -4431,7 +4430,7 @@ public partial class ChatWindow : Window
             userBottomBar.Children.Add(new TextBlock
             {
                 Text = timestamp.ToString("HH:mm"),
-                FontSize = 7.5, Opacity = 0.36,
+                FontSize = 8, Opacity = 0.34,
                 Foreground = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray,
                 HorizontalAlignment = HorizontalAlignment.Right,
                 VerticalAlignment = VerticalAlignment.Center,
@@ -4464,24 +4463,24 @@ public partial class ChatWindow : Window
                 return;
             }
 
-            // 어시스턴트: 좌측 정렬, 정돈된 카드
+            // 어시스턴트: 카드보다 transcript 행에 가까운 스타일
             var container = new StackPanel
             {
                 HorizontalAlignment = HorizontalAlignment.Left,
                 MaxWidth = GetMessageMaxWidth(),
-                Margin = new Thickness(4, 2, 178, 2)
+                Margin = new Thickness(2, 4, 210, 4)
             };
             if (animate) ApplyMessageEntryAnimation(container);
 
             // AI 에이전트 이름 + 아이콘
             var (agentName, _, _) = GetAgentIdentity();
-            var headerSp = new StackPanel { Orientation = Orientation.Horizontal, Margin = new Thickness(2, 0, 0, 0.5) };
+            var headerSp = new StackPanel { Orientation = Orientation.Horizontal, Margin = new Thickness(2, 0, 0, 1.5) };
 
             var iconBlock = new TextBlock
             {
                 Text = "\uE945",
                 FontFamily = new FontFamily("Segoe MDL2 Assets"),
-                FontSize = 6.5,
+                FontSize = 7.5,
                 Foreground = secondaryText,
                 VerticalAlignment = VerticalAlignment.Center,
             };
@@ -4490,10 +4489,10 @@ public partial class ChatWindow : Window
             headerSp.Children.Add(new TextBlock
             {
                 Text = agentName,
-                FontSize = 7.5,
-                FontWeight = FontWeights.Normal,
+                FontSize = 8.5,
+                FontWeight = FontWeights.Medium,
                 Foreground = secondaryText,
-                Margin = new Thickness(2.5, 0, 0, 0),
+                Margin = new Thickness(4, 0, 0, 0),
                 VerticalAlignment = VerticalAlignment.Center,
             });
             container.Children.Add(headerSp);
@@ -4503,8 +4502,8 @@ public partial class ChatWindow : Window
                 Background = assistantBubbleBg,
                 BorderBrush = borderBrush,
                 BorderThickness = new Thickness(1),
-                CornerRadius = new CornerRadius(11),
-                Padding = new Thickness(10, 6.5, 10, 6.5),
+                CornerRadius = new CornerRadius(9),
+                Padding = new Thickness(11, 8, 11, 8),
             };
             var contentStack = new StackPanel();
 
@@ -4633,7 +4632,7 @@ public partial class ChatWindow : Window
             {
                 Orientation = Orientation.Horizontal,
                 HorizontalAlignment = HorizontalAlignment.Left,
-                Margin = new Thickness(2, 0.5, 0, 0),
+                Margin = new Thickness(2, 2, 0, 0),
                 Opacity = 0
             };
 
@@ -4653,7 +4652,7 @@ public partial class ChatWindow : Window
             actionBar.Children.Add(new TextBlock
             {
                 Text = aiTimestamp.ToString("HH:mm"),
-                FontSize = 7.75, Opacity = 0.38,
+                FontSize = 8, Opacity = 0.34,
                 Foreground = btnColor,
                 VerticalAlignment = VerticalAlignment.Center,
                 Margin = new Thickness(3, 0, 0, 0),
@@ -9413,17 +9412,18 @@ public partial class ChatWindow : Window
         var primaryText = TryFindResource("PrimaryText") as Brush ?? Brushes.Black;
         var secondaryText = TryFindResource("SecondaryText") as Brush ?? Brushes.DimGray;
         var itemBg = TryFindResource("ItemBackground") as Brush ?? BrushFromHex("#FFFFFF");
+        var hintBg = TryFindResource("HintBackground") as Brush ?? BrushFromHex("#F8FAFC");
         var borderBrush = TryFindResource("BorderColor") as Brush ?? BrushFromHex("#E2E8F0");
         var accentBrush = TryFindResource("AccentColor") as Brush ?? BrushFromHex("#4B5EFC");
 
         var card = new Border
         {
-            Background = itemBg,
+            Background = hintBg,
             BorderBrush = borderBrush,
             BorderThickness = new Thickness(1),
-            CornerRadius = new CornerRadius(14),
-            Padding = new Thickness(12, 10, 12, 10),
-            Margin = new Thickness(14, 4, 180, 8),
+            CornerRadius = new CornerRadius(10),
+            Padding = new Thickness(10, 8, 10, 8),
+            Margin = new Thickness(8, 3, 228, 6),
             HorizontalAlignment = HorizontalAlignment.Left,
             MaxWidth = GetMessageMaxWidth(),
         };
@@ -9431,20 +9431,20 @@ public partial class ChatWindow : Window
         var sp = new StackPanel();
 
         // 헤더
-        var header = new StackPanel { Orientation = Orientation.Horizontal, Margin = new Thickness(0, 0, 0, 5) };
+        var header = new StackPanel { Orientation = Orientation.Horizontal, Margin = new Thickness(0, 0, 0, 4) };
         header.Children.Add(new TextBlock
         {
             Text = "\uE9D5", // plan icon
             FontFamily = new FontFamily("Segoe MDL2 Assets"),
-            FontSize = 10.5,
+            FontSize = 9,
             Foreground = accentBrush,
             VerticalAlignment = VerticalAlignment.Center,
-            Margin = new Thickness(0, 0, 5, 0),
+            Margin = new Thickness(0, 0, 4, 0),
         });
         header.Children.Add(new TextBlock
         {
             Text = $"작업 {steps.Count}개 · 0 완료",
-            FontSize = 10.25, FontWeight = FontWeights.SemiBold,
+            FontSize = 9.5, FontWeight = FontWeights.SemiBold,
             Foreground = secondaryText,
             VerticalAlignment = VerticalAlignment.Center,
         });
@@ -9460,7 +9460,7 @@ public partial class ChatWindow : Window
             Minimum = 0,
             Maximum = steps.Count,
             Value = 0,
-            Height = 4,
+            Height = 3,
             Foreground = accentBrush,
             Background = TryFindResource("HintBackground") as Brush ?? BrushFromHex("#E5E7EB"),
             VerticalAlignment = VerticalAlignment.Center,
@@ -9473,9 +9473,9 @@ public partial class ChatWindow : Window
         _planProgressText = new TextBlock
         {
             Text = "0%",
-            FontSize = 9.25, FontWeight = FontWeights.SemiBold,
+            FontSize = 8.5, FontWeight = FontWeights.SemiBold,
             Foreground = secondaryText,
-            Margin = new Thickness(6, 0, 0, 0),
+            Margin = new Thickness(5, 0, 0, 0),
             VerticalAlignment = VerticalAlignment.Center,
         };
         Grid.SetColumn(_planProgressText, 1);
@@ -9489,26 +9489,26 @@ public partial class ChatWindow : Window
             var stepRow = new StackPanel
             {
                 Orientation = Orientation.Horizontal,
-                Margin = new Thickness(0, 1, 0, 1),
+                Margin = new Thickness(0, 1, 0, 0),
                 Tag = i, // 인덱스 저장
             };
 
             stepRow.Children.Add(new TextBlock
             {
                 Text = "○", // 빈 원 (미완료)
-                FontSize = 10,
+                FontSize = 9,
                 Foreground = secondaryText,
                 VerticalAlignment = VerticalAlignment.Center,
-                Margin = new Thickness(0, 0, 5, 0),
+                Margin = new Thickness(0, 0, 4, 0),
                 Tag = "status",
             });
             stepRow.Children.Add(new TextBlock
             {
                 Text = $"{i + 1}. {steps[i]}",
-                FontSize = 10,
+                FontSize = 9.5,
                 Foreground = primaryText,
                 TextWrapping = TextWrapping.Wrap,
-                MaxWidth = Math.Max(320, GetMessageMaxWidth() - 60),
+                MaxWidth = Math.Max(320, GetMessageMaxWidth() - 52),
                 VerticalAlignment = VerticalAlignment.Center,
             });
 
@@ -10996,14 +10996,14 @@ public partial class ChatWindow : Window
 
         // claw-code처럼 메시지 축과 입력축이 같은 중심선을 공유하도록,
         // 본문 폭 상한을 조금 더 낮추고 창 폭 변화에 더 부드럽게 반응시킵니다.
-        var contentWidth = Math.Max(340, viewportWidth - 28);
-        var messageWidth = Math.Clamp(contentWidth * 0.88, 340, 880);
-        var composerWidth = Math.Clamp(contentWidth * 0.82, 340, 820);
+        var contentWidth = Math.Max(360, viewportWidth - 24);
+        var messageWidth = Math.Clamp(contentWidth * 0.9, 360, 960);
+        var composerWidth = Math.Clamp(contentWidth * 0.86, 360, 900);
 
         if (contentWidth < 760)
         {
-            messageWidth = Math.Clamp(contentWidth - 8, 332, 780);
-            composerWidth = Math.Clamp(contentWidth - 14, 328, 740);
+            messageWidth = Math.Clamp(contentWidth - 10, 344, 820);
+            composerWidth = Math.Clamp(contentWidth - 14, 340, 780);
         }
 
         var changed = false;