diff --git a/src/SharpEmu.GUI/App.axaml b/src/SharpEmu.GUI/App.axaml
index 73ad1099..9adc08f9 100644
--- a/src/SharpEmu.GUI/App.axaml
+++ b/src/SharpEmu.GUI/App.axaml
@@ -1,267 +1,32 @@
 <!--
 Copyright (C) 2026 SharpEmu Emulator Project
 SPDX-License-Identifier: GPL-2.0-or-later
+Application composition root. Shared resources and styles are included in
+cascade order so individual launcher views do not redefine global visuals.
 -->
 
 <Application xmlns="https://github.com/avaloniaui"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:local="clr-namespace:SharpEmu.GUI"
              x:Class="SharpEmu.GUI.App"
              RequestedThemeVariant="Dark">
 
   <Application.Resources>
-    <Color x:Key="SystemAccentColor">#7C5CFC</Color>
-
-    <LinearGradientBrush x:Key="BgBrush" StartPoint="0%,0%" EndPoint="100%,100%">
-      <GradientStop Offset="0" Color="#12151F" />
-      <GradientStop Offset="0.55" Color="#0D1017" />
-      <GradientStop Offset="1" Color="#0B0D14" />
-    </LinearGradientBrush>
-
-    <SolidColorBrush x:Key="ChromeBrush" Color="#090C12" />
-    <SolidColorBrush x:Key="CardBrush" Color="#141924" />
-    <SolidColorBrush x:Key="CardBorderBrush" Color="#232B3A" />
-    <SolidColorBrush x:Key="ElevatedBrush" Color="#1B2230" />
-    <SolidColorBrush x:Key="TextBrush" Color="#E8ECF4" />
-    <SolidColorBrush x:Key="MutedBrush" Color="#8B94A7" />
-    <SolidColorBrush x:Key="FaintBrush" Color="#5A6478" />
-    <SolidColorBrush x:Key="AccentBrush" Color="#7C5CFC" />
-    <SolidColorBrush x:Key="AccentHoverBrush" Color="#8F73FF" />
-    <SolidColorBrush x:Key="DangerBrush" Color="#E5484D" />
-    <SolidColorBrush x:Key="DangerHoverBrush" Color="#F2555A" />
-    <SolidColorBrush x:Key="SuccessBrush" Color="#46C46B" />
-    <SolidColorBrush x:Key="InfoBrush" Color="#58A6FF" />
-    <SolidColorBrush x:Key="TileHoverBrush" Color="#1A2130" />
-    <SolidColorBrush x:Key="TileSelectedBrush" Color="#212A3F" />
-
-    <ControlTheme x:Key="{x:Type local:SettingRow}" TargetType="local:SettingRow">
-      <Setter Property="Template">
-        <ControlTemplate>
-          <Grid ColumnDefinitions="*,Auto">
-            <StackPanel VerticalAlignment="Center" Spacing="2" Margin="0,0,16,0">
-              <TextBlock x:Name="PART_Label" Text="{TemplateBinding Label}" FontSize="13" />
-              <TextBlock Text="{TemplateBinding Description}" FontSize="11"
-                         Foreground="{StaticResource MutedBrush}" TextWrapping="Wrap"
-                         IsVisible="{Binding Description, RelativeSource={RelativeSource TemplatedParent},
-                                     Converter={x:Static StringConverters.IsNotNullOrEmpty}}" />
-            </StackPanel>
-            <StackPanel Grid.Column="1" Orientation="Horizontal" Spacing="10" VerticalAlignment="Center">
-              <ToggleSwitch OnContent="Override" OffContent="Override" MinWidth="0"
-                            VerticalAlignment="Center"
-                            IsVisible="{TemplateBinding ShowOverride}"
-                            IsChecked="{Binding IsOverridden, RelativeSource={RelativeSource TemplatedParent}, Mode=TwoWay}" />
-              <ContentPresenter x:Name="PART_Slot" Content="{TemplateBinding Content}" VerticalAlignment="Center" />
-            </StackPanel>
-          </Grid>
-        </ControlTemplate>
-      </Setter>
-    </ControlTheme>
+    <ResourceDictionary>
+      <ResourceDictionary.MergedDictionaries>
+        <ResourceInclude Source="avares://SharpEmu.GUI/Themes/Tokens.axaml" />
+        <ResourceInclude Source="avares://SharpEmu.GUI/Themes/Templates/SettingRow.axaml" />
+      </ResourceDictionary.MergedDictionaries>
+    </ResourceDictionary>
   </Application.Resources>
 
   <Application.Styles>
     <FluentTheme />
 
-    <Style Selector="Window">
-      <Setter Property="FontFamily" Value="Inter, Segoe UI, sans-serif" />
-      <Setter Property="Foreground" Value="{StaticResource TextBrush}" />
-    </Style>
-
-    <Style Selector="Border.card">
-      <Setter Property="Background" Value="{StaticResource CardBrush}" />
-      <Setter Property="BorderBrush" Value="{StaticResource CardBorderBrush}" />
-      <Setter Property="BorderThickness" Value="1" />
-      <Setter Property="CornerRadius" Value="12" />
-      <Setter Property="Padding" Value="16" />
-    </Style>
-
-    <Style Selector="Border.pill">
-      <Setter Property="Background" Value="{StaticResource ElevatedBrush}" />
-      <Setter Property="CornerRadius" Value="999" />
-      <Setter Property="Padding" Value="10,3" />
-    </Style>
-
-    <!-- Session status/hotkey badges: the title-id pill geometry with a
-         tinted fill so state (RUNNING) and keys (F11) read at a glance. -->
-    <Style Selector="Border.badge">
-      <Setter Property="CornerRadius" Value="999" />
-      <Setter Property="Padding" Value="8,2" />
-      <Setter Property="BorderThickness" Value="1" />
-    </Style>
-    <Style Selector="Border.badge.running">
-      <Setter Property="Background" Value="#1E46C46B" />
-      <Setter Property="BorderBrush" Value="#5546C46B" />
-    </Style>
-    <Style Selector="Border.badge.key">
-      <Setter Property="Background" Value="#1E58A6FF" />
-      <Setter Property="BorderBrush" Value="#5558A6FF" />
-    </Style>
-
-    <Style Selector="TextBlock.sectionTitle">
-      <Setter Property="FontSize" Value="11" />
-      <Setter Property="FontWeight" Value="SemiBold" />
-      <Setter Property="LetterSpacing" Value="1.5" />
-      <Setter Property="Foreground" Value="{StaticResource MutedBrush}" />
-    </Style>
-
-    <Style Selector="TextBlock.fieldLabel">
-      <Setter Property="FontSize" Value="12" />
-      <Setter Property="Foreground" Value="{StaticResource MutedBrush}" />
-      <Setter Property="Margin" Value="0,0,0,6" />
-    </Style>
-
-    <Style Selector="TextBox">
-      <Setter Property="CornerRadius" Value="8" />
-    </Style>
-
-    <Style Selector="Button.accent">
-      <Setter Property="Background" Value="{StaticResource AccentBrush}" />
-      <Setter Property="Foreground" Value="White" />
-      <Setter Property="FontWeight" Value="SemiBold" />
-      <Setter Property="Padding" Value="22,10" />
-      <Setter Property="CornerRadius" Value="8" />
-    </Style>
-    <Style Selector="Button.accent:pointerover /template/ ContentPresenter#PART_ContentPresenter">
-      <Setter Property="Background" Value="{StaticResource AccentHoverBrush}" />
-      <Setter Property="Foreground" Value="White" />
-    </Style>
-
-    <Style Selector="Button.danger">
-      <Setter Property="Background" Value="{StaticResource DangerBrush}" />
-      <Setter Property="Foreground" Value="White" />
-      <Setter Property="FontWeight" Value="SemiBold" />
-      <Setter Property="Padding" Value="22,10" />
-      <Setter Property="CornerRadius" Value="8" />
-    </Style>
-    <Style Selector="Button.danger:pointerover /template/ ContentPresenter#PART_ContentPresenter">
-      <Setter Property="Background" Value="{StaticResource DangerHoverBrush}" />
-      <Setter Property="Foreground" Value="White" />
-    </Style>
-
-    <Style Selector="Button.ghost">
-      <Setter Property="Background" Value="Transparent" />
-      <Setter Property="BorderBrush" Value="{StaticResource CardBorderBrush}" />
-      <Setter Property="BorderThickness" Value="1" />
-      <Setter Property="Foreground" Value="{StaticResource TextBrush}" />
-      <Setter Property="Padding" Value="12,7" />
-      <Setter Property="CornerRadius" Value="8" />
-    </Style>
-    <Style Selector="Button.ghost:pointerover /template/ ContentPresenter#PART_ContentPresenter">
-      <Setter Property="Background" Value="{StaticResource ElevatedBrush}" />
-      <Setter Property="Foreground" Value="{StaticResource TextBrush}" />
-    </Style>
-
-    <Style Selector="ToggleButton.ghost">
-      <Setter Property="Background" Value="Transparent" />
-      <Setter Property="BorderBrush" Value="{StaticResource CardBorderBrush}" />
-      <Setter Property="BorderThickness" Value="1" />
-      <Setter Property="Foreground" Value="{StaticResource TextBrush}" />
-      <Setter Property="Padding" Value="12,7" />
-      <Setter Property="CornerRadius" Value="8" />
-    </Style>
-    <Style Selector="ToggleButton.ghost:pointerover /template/ ContentPresenter#PART_ContentPresenter">
-      <Setter Property="Background" Value="{StaticResource ElevatedBrush}" />
-      <Setter Property="Foreground" Value="{StaticResource TextBrush}" />
-    </Style>
-    <Style Selector="ToggleButton.ghost:checked /template/ ContentPresenter#PART_ContentPresenter">
-      <Setter Property="Background" Value="{StaticResource ElevatedBrush}" />
-      <Setter Property="BorderBrush" Value="{StaticResource AccentBrush}" />
-      <Setter Property="Foreground" Value="{StaticResource TextBrush}" />
-    </Style>
-
-    <!-- Top-level page switcher (Library / Options): plain transparent
-         buttons, not TabItem, so there is no Fluent selected-tab underline.
-         The active page is conveyed by brightness alone; LB/RB gamepad
-         hints flank the pair. -->
-    <Style Selector="Button.segment">
-      <Setter Property="Background" Value="Transparent" />
-      <Setter Property="BorderThickness" Value="0" />
-      <Setter Property="Foreground" Value="{StaticResource MutedBrush}" />
-      <Setter Property="FontSize" Value="22" />
-      <Setter Property="FontWeight" Value="Bold" />
-      <Setter Property="Padding" Value="6,4" />
-      <Setter Property="CornerRadius" Value="8" />
-    </Style>
-    <Style Selector="Button.segment:pointerover /template/ ContentPresenter#PART_ContentPresenter">
-      <Setter Property="Background" Value="{StaticResource ElevatedBrush}" />
-      <Setter Property="Foreground" Value="{StaticResource TextBrush}" />
-    </Style>
-    <Style Selector="Button.segment.active">
-      <Setter Property="Foreground" Value="{StaticResource TextBrush}" />
-    </Style>
-
-    <!-- Gamepad shoulder-button hint chip (LB/RB, L1/R1). -->
-    <Style Selector="Border.padHint">
-      <Setter Property="Background" Value="{StaticResource ElevatedBrush}" />
-      <Setter Property="CornerRadius" Value="6" />
-      <Setter Property="Padding" Value="8,3" />
-    </Style>
-
-    <Style Selector="ContextMenu">
-      <Setter Property="Background" Value="{StaticResource CardBrush}" />
-      <Setter Property="BorderBrush" Value="{StaticResource CardBorderBrush}" />
-      <Setter Property="BorderThickness" Value="1" />
-      <Setter Property="CornerRadius" Value="10" />
-      <Setter Property="Padding" Value="6" />
-    </Style>
-    <Style Selector="ContextMenu MenuItem">
-      <Setter Property="Padding" Value="10,7" />
-      <Setter Property="CornerRadius" Value="7" />
-    </Style>
-    <Style Selector="ContextMenu Separator">
-      <Setter Property="Background" Value="{StaticResource CardBorderBrush}" />
-      <Setter Property="Height" Value="1" />
-      <Setter Property="Margin" Value="8,4" />
-    </Style>
-
-    <Style Selector="ListBox.console">
-      <Setter Property="Background" Value="#0B0E14" />
-      <Setter Property="FontFamily" Value="Cascadia Mono, Consolas, Courier New, monospace" />
-      <Setter Property="FontSize" Value="12" />
-    </Style>
-    <Style Selector="ListBox.console ListBoxItem">
-      <Setter Property="Padding" Value="10,1" />
-      <Setter Property="MinHeight" Value="0" />
-    </Style>
-
-    <!-- Cover-art library grid -->
-    <Style Selector="ListBox.tileGrid ListBoxItem">
-      <Setter Property="Padding" Value="10" />
-      <Setter Property="Margin" Value="5" />
-      <Setter Property="CornerRadius" Value="14" />
-      <Setter Property="Background" Value="Transparent" />
-      <Setter Property="BorderThickness" Value="1" />
-      <Setter Property="BorderBrush" Value="Transparent" />
-      <Setter Property="RenderTransform" Value="translateY(0px)" />
-      <Setter Property="Transitions">
-        <Transitions>
-          <TransformOperationsTransition Property="RenderTransform" Duration="0:0:0.12" />
-        </Transitions>
-      </Setter>
-    </Style>
-    <Style Selector="ListBox.tileGrid ListBoxItem:pointerover">
-      <Setter Property="RenderTransform" Value="translateY(-3px)" />
-    </Style>
-    <Style Selector="ListBox.tileGrid ListBoxItem:pointerover /template/ ContentPresenter#PART_ContentPresenter">
-      <Setter Property="Background" Value="{StaticResource TileHoverBrush}" />
-    </Style>
-    <Style Selector="ListBox.tileGrid ListBoxItem:selected /template/ ContentPresenter#PART_ContentPresenter">
-      <Setter Property="Background" Value="{StaticResource TileSelectedBrush}" />
-      <Setter Property="BorderBrush" Value="{StaticResource AccentBrush}" />
-    </Style>
-    <Style Selector="ListBox.tileGrid ListBoxItem:selected:pointerover /template/ ContentPresenter#PART_ContentPresenter">
-      <Setter Property="Background" Value="{StaticResource TileSelectedBrush}" />
-      <Setter Property="BorderBrush" Value="{StaticResource AccentHoverBrush}" />
-    </Style>
-
-    <Style Selector="Border.coverShadow">
-      <Setter Property="CornerRadius" Value="10" />
-      <Setter Property="BoxShadow" Value="0 6 14 0 #55000000" />
-    </Style>
-    <Style Selector="Border.coverClip">
-      <Setter Property="CornerRadius" Value="10" />
-      <Setter Property="ClipToBounds" Value="True" />
-      <Setter Property="Background" Value="{StaticResource ElevatedBrush}" />
-    </Style>
+    <StyleInclude Source="avares://SharpEmu.GUI/Themes/Styles/Base.axaml" />
+    <StyleInclude Source="avares://SharpEmu.GUI/Themes/Styles/Surfaces.axaml" />
+    <StyleInclude Source="avares://SharpEmu.GUI/Themes/Styles/Buttons.axaml" />
+    <StyleInclude Source="avares://SharpEmu.GUI/Themes/Styles/Inputs.axaml" />
+    <StyleInclude Source="avares://SharpEmu.GUI/Themes/Styles/Console.axaml" />
+    <StyleInclude Source="avares://SharpEmu.GUI/Themes/Styles/Library.axaml" />
   </Application.Styles>
-
 </Application>
diff --git a/src/SharpEmu.GUI/Themes/Styles/Base.axaml b/src/SharpEmu.GUI/Themes/Styles/Base.axaml
new file mode 100644
index 00000000..9fdf22b8
--- /dev/null
+++ b/src/SharpEmu.GUI/Themes/Styles/Base.axaml
@@ -0,0 +1,26 @@
+<!--
+Copyright (C) 2026 SharpEmu Emulator Project
+SPDX-License-Identifier: GPL-2.0-or-later
+Window and text defaults shared by all launcher views.
+-->
+
+<Styles xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+  <Style Selector="Window">
+    <Setter Property="FontFamily" Value="Inter, Segoe UI, sans-serif" />
+    <Setter Property="Foreground" Value="{StaticResource TextBrush}" />
+  </Style>
+
+  <Style Selector="TextBlock.sectionTitle">
+    <Setter Property="FontSize" Value="11" />
+    <Setter Property="FontWeight" Value="SemiBold" />
+    <Setter Property="LetterSpacing" Value="1.5" />
+    <Setter Property="Foreground" Value="{StaticResource MutedBrush}" />
+  </Style>
+
+  <Style Selector="TextBlock.fieldLabel">
+    <Setter Property="FontSize" Value="12" />
+    <Setter Property="Foreground" Value="{StaticResource MutedBrush}" />
+    <Setter Property="Margin" Value="0,0,0,6" />
+  </Style>
+</Styles>
diff --git a/src/SharpEmu.GUI/Themes/Styles/Buttons.axaml b/src/SharpEmu.GUI/Themes/Styles/Buttons.axaml
new file mode 100644
index 00000000..914a41f0
--- /dev/null
+++ b/src/SharpEmu.GUI/Themes/Styles/Buttons.axaml
@@ -0,0 +1,84 @@
+<!--
+Copyright (C) 2026 SharpEmu Emulator Project
+SPDX-License-Identifier: GPL-2.0-or-later
+Shared launcher button variants and page switcher styles.
+-->
+
+<Styles xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+  <Style Selector="Button.accent">
+    <Setter Property="Background" Value="{StaticResource AccentBrush}" />
+    <Setter Property="Foreground" Value="White" />
+    <Setter Property="FontWeight" Value="SemiBold" />
+    <Setter Property="Padding" Value="22,10" />
+    <Setter Property="CornerRadius" Value="8" />
+  </Style>
+  <Style Selector="Button.accent:pointerover /template/ ContentPresenter#PART_ContentPresenter">
+    <Setter Property="Background" Value="{StaticResource AccentHoverBrush}" />
+    <Setter Property="Foreground" Value="White" />
+  </Style>
+
+  <Style Selector="Button.danger">
+    <Setter Property="Background" Value="{StaticResource DangerBrush}" />
+    <Setter Property="Foreground" Value="White" />
+    <Setter Property="FontWeight" Value="SemiBold" />
+    <Setter Property="Padding" Value="22,10" />
+    <Setter Property="CornerRadius" Value="8" />
+  </Style>
+  <Style Selector="Button.danger:pointerover /template/ ContentPresenter#PART_ContentPresenter">
+    <Setter Property="Background" Value="{StaticResource DangerHoverBrush}" />
+    <Setter Property="Foreground" Value="White" />
+  </Style>
+
+  <Style Selector="Button.ghost">
+    <Setter Property="Background" Value="Transparent" />
+    <Setter Property="BorderBrush" Value="{StaticResource CardBorderBrush}" />
+    <Setter Property="BorderThickness" Value="1" />
+    <Setter Property="Foreground" Value="{StaticResource TextBrush}" />
+    <Setter Property="Padding" Value="12,7" />
+    <Setter Property="CornerRadius" Value="8" />
+  </Style>
+  <Style Selector="Button.ghost:pointerover /template/ ContentPresenter#PART_ContentPresenter">
+    <Setter Property="Background" Value="{StaticResource ElevatedBrush}" />
+    <Setter Property="Foreground" Value="{StaticResource TextBrush}" />
+  </Style>
+
+  <Style Selector="ToggleButton.ghost">
+    <Setter Property="Background" Value="Transparent" />
+    <Setter Property="BorderBrush" Value="{StaticResource CardBorderBrush}" />
+    <Setter Property="BorderThickness" Value="1" />
+    <Setter Property="Foreground" Value="{StaticResource TextBrush}" />
+    <Setter Property="Padding" Value="12,7" />
+    <Setter Property="CornerRadius" Value="8" />
+  </Style>
+  <Style Selector="ToggleButton.ghost:pointerover /template/ ContentPresenter#PART_ContentPresenter">
+    <Setter Property="Background" Value="{StaticResource ElevatedBrush}" />
+    <Setter Property="Foreground" Value="{StaticResource TextBrush}" />
+  </Style>
+  <Style Selector="ToggleButton.ghost:checked /template/ ContentPresenter#PART_ContentPresenter">
+    <Setter Property="Background" Value="{StaticResource ElevatedBrush}" />
+    <Setter Property="BorderBrush" Value="{StaticResource AccentBrush}" />
+    <Setter Property="Foreground" Value="{StaticResource TextBrush}" />
+  </Style>
+
+  <!-- Top-level page switcher (Library / Options): plain transparent
+       buttons, not TabItem, so there is no Fluent selected-tab underline.
+       The active page is conveyed by brightness alone; LB/RB gamepad
+       hints flank the pair. -->
+  <Style Selector="Button.segment">
+    <Setter Property="Background" Value="Transparent" />
+    <Setter Property="BorderThickness" Value="0" />
+    <Setter Property="Foreground" Value="{StaticResource MutedBrush}" />
+    <Setter Property="FontSize" Value="22" />
+    <Setter Property="FontWeight" Value="Bold" />
+    <Setter Property="Padding" Value="6,4" />
+    <Setter Property="CornerRadius" Value="8" />
+  </Style>
+  <Style Selector="Button.segment:pointerover /template/ ContentPresenter#PART_ContentPresenter">
+    <Setter Property="Background" Value="{StaticResource ElevatedBrush}" />
+    <Setter Property="Foreground" Value="{StaticResource TextBrush}" />
+  </Style>
+  <Style Selector="Button.segment.active">
+    <Setter Property="Foreground" Value="{StaticResource TextBrush}" />
+  </Style>
+</Styles>
diff --git a/src/SharpEmu.GUI/Themes/Styles/Console.axaml b/src/SharpEmu.GUI/Themes/Styles/Console.axaml
new file mode 100644
index 00000000..fd5ce385
--- /dev/null
+++ b/src/SharpEmu.GUI/Themes/Styles/Console.axaml
@@ -0,0 +1,18 @@
+<!--
+Copyright (C) 2026 SharpEmu Emulator Project
+SPDX-License-Identifier: GPL-2.0-or-later
+Console list typography and compact item spacing.
+-->
+
+<Styles xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+  <Style Selector="ListBox.console">
+    <Setter Property="Background" Value="#0B0E14" />
+    <Setter Property="FontFamily" Value="Cascadia Mono, Consolas, Courier New, monospace" />
+    <Setter Property="FontSize" Value="12" />
+  </Style>
+  <Style Selector="ListBox.console ListBoxItem">
+    <Setter Property="Padding" Value="10,1" />
+    <Setter Property="MinHeight" Value="0" />
+  </Style>
+</Styles>
diff --git a/src/SharpEmu.GUI/Themes/Styles/Inputs.axaml b/src/SharpEmu.GUI/Themes/Styles/Inputs.axaml
new file mode 100644
index 00000000..1a006b0c
--- /dev/null
+++ b/src/SharpEmu.GUI/Themes/Styles/Inputs.axaml
@@ -0,0 +1,29 @@
+<!--
+Copyright (C) 2026 SharpEmu Emulator Project
+SPDX-License-Identifier: GPL-2.0-or-later
+Shared text input and context-menu styles.
+-->
+
+<Styles xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+  <Style Selector="TextBox">
+    <Setter Property="CornerRadius" Value="8" />
+  </Style>
+
+  <Style Selector="ContextMenu">
+    <Setter Property="Background" Value="{StaticResource CardBrush}" />
+    <Setter Property="BorderBrush" Value="{StaticResource CardBorderBrush}" />
+    <Setter Property="BorderThickness" Value="1" />
+    <Setter Property="CornerRadius" Value="10" />
+    <Setter Property="Padding" Value="6" />
+  </Style>
+  <Style Selector="ContextMenu MenuItem">
+    <Setter Property="Padding" Value="10,7" />
+    <Setter Property="CornerRadius" Value="7" />
+  </Style>
+  <Style Selector="ContextMenu Separator">
+    <Setter Property="Background" Value="{StaticResource CardBorderBrush}" />
+    <Setter Property="Height" Value="1" />
+    <Setter Property="Margin" Value="8,4" />
+  </Style>
+</Styles>
diff --git a/src/SharpEmu.GUI/Themes/Styles/Library.axaml b/src/SharpEmu.GUI/Themes/Styles/Library.axaml
new file mode 100644
index 00000000..c4ce1645
--- /dev/null
+++ b/src/SharpEmu.GUI/Themes/Styles/Library.axaml
@@ -0,0 +1,37 @@
+<!--
+Copyright (C) 2026 SharpEmu Emulator Project
+SPDX-License-Identifier: GPL-2.0-or-later
+Cover-art library item states and motion.
+-->
+
+<Styles xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+  <Style Selector="ListBox.tileGrid ListBoxItem">
+    <Setter Property="Padding" Value="10" />
+    <Setter Property="Margin" Value="5" />
+    <Setter Property="CornerRadius" Value="14" />
+    <Setter Property="Background" Value="Transparent" />
+    <Setter Property="BorderThickness" Value="1" />
+    <Setter Property="BorderBrush" Value="Transparent" />
+    <Setter Property="RenderTransform" Value="translateY(0px)" />
+    <Setter Property="Transitions">
+      <Transitions>
+        <TransformOperationsTransition Property="RenderTransform" Duration="0:0:0.12" />
+      </Transitions>
+    </Setter>
+  </Style>
+  <Style Selector="ListBox.tileGrid ListBoxItem:pointerover">
+    <Setter Property="RenderTransform" Value="translateY(-3px)" />
+  </Style>
+  <Style Selector="ListBox.tileGrid ListBoxItem:pointerover /template/ ContentPresenter#PART_ContentPresenter">
+    <Setter Property="Background" Value="{StaticResource TileHoverBrush}" />
+  </Style>
+  <Style Selector="ListBox.tileGrid ListBoxItem:selected /template/ ContentPresenter#PART_ContentPresenter">
+    <Setter Property="Background" Value="{StaticResource TileSelectedBrush}" />
+    <Setter Property="BorderBrush" Value="{StaticResource AccentBrush}" />
+  </Style>
+  <Style Selector="ListBox.tileGrid ListBoxItem:selected:pointerover /template/ ContentPresenter#PART_ContentPresenter">
+    <Setter Property="Background" Value="{StaticResource TileSelectedBrush}" />
+    <Setter Property="BorderBrush" Value="{StaticResource AccentHoverBrush}" />
+  </Style>
+</Styles>
diff --git a/src/SharpEmu.GUI/Themes/Styles/Surfaces.axaml b/src/SharpEmu.GUI/Themes/Styles/Surfaces.axaml
new file mode 100644
index 00000000..81247628
--- /dev/null
+++ b/src/SharpEmu.GUI/Themes/Styles/Surfaces.axaml
@@ -0,0 +1,55 @@
+<!--
+Copyright (C) 2026 SharpEmu Emulator Project
+SPDX-License-Identifier: GPL-2.0-or-later
+Shared card, badge, hint and cover surfaces.
+-->
+
+<Styles xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+  <Style Selector="Border.card">
+    <Setter Property="Background" Value="{StaticResource CardBrush}" />
+    <Setter Property="BorderBrush" Value="{StaticResource CardBorderBrush}" />
+    <Setter Property="BorderThickness" Value="1" />
+    <Setter Property="CornerRadius" Value="12" />
+    <Setter Property="Padding" Value="16" />
+  </Style>
+
+  <Style Selector="Border.pill">
+    <Setter Property="Background" Value="{StaticResource ElevatedBrush}" />
+    <Setter Property="CornerRadius" Value="999" />
+    <Setter Property="Padding" Value="10,3" />
+  </Style>
+
+  <!-- Session status/hotkey badges: the title-id pill geometry with a
+       tinted fill so state (RUNNING) and keys (F11) read at a glance. -->
+  <Style Selector="Border.badge">
+    <Setter Property="CornerRadius" Value="999" />
+    <Setter Property="Padding" Value="8,2" />
+    <Setter Property="BorderThickness" Value="1" />
+  </Style>
+  <Style Selector="Border.badge.running">
+    <Setter Property="Background" Value="#1E46C46B" />
+    <Setter Property="BorderBrush" Value="#5546C46B" />
+  </Style>
+  <Style Selector="Border.badge.key">
+    <Setter Property="Background" Value="#1E58A6FF" />
+    <Setter Property="BorderBrush" Value="#5558A6FF" />
+  </Style>
+
+  <!-- Gamepad shoulder-button hint chip (LB/RB, L1/R1). -->
+  <Style Selector="Border.padHint">
+    <Setter Property="Background" Value="{StaticResource ElevatedBrush}" />
+    <Setter Property="CornerRadius" Value="6" />
+    <Setter Property="Padding" Value="8,3" />
+  </Style>
+
+  <Style Selector="Border.coverShadow">
+    <Setter Property="CornerRadius" Value="10" />
+    <Setter Property="BoxShadow" Value="0 6 14 0 #55000000" />
+  </Style>
+  <Style Selector="Border.coverClip">
+    <Setter Property="CornerRadius" Value="10" />
+    <Setter Property="ClipToBounds" Value="True" />
+    <Setter Property="Background" Value="{StaticResource ElevatedBrush}" />
+  </Style>
+</Styles>
diff --git a/src/SharpEmu.GUI/Themes/Templates/SettingRow.axaml b/src/SharpEmu.GUI/Themes/Templates/SettingRow.axaml
new file mode 100644
index 00000000..cbeb09b3
--- /dev/null
+++ b/src/SharpEmu.GUI/Themes/Templates/SettingRow.axaml
@@ -0,0 +1,34 @@
+<!--
+Copyright (C) 2026 SharpEmu Emulator Project
+SPDX-License-Identifier: GPL-2.0-or-later
+Control theme for the shared launcher settings row.
+-->
+
+<ResourceDictionary xmlns="https://github.com/avaloniaui"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:local="clr-namespace:SharpEmu.GUI">
+  <ControlTheme x:Key="{x:Type local:SettingRow}" TargetType="local:SettingRow">
+    <Setter Property="Template">
+      <ControlTemplate>
+        <Grid ColumnDefinitions="*,Auto">
+          <StackPanel VerticalAlignment="Center" Spacing="2" Margin="0,0,16,0">
+            <TextBlock x:Name="PART_Label" Text="{TemplateBinding Label}" FontSize="13" />
+            <TextBlock Text="{TemplateBinding Description}" FontSize="11"
+                       Foreground="{StaticResource MutedBrush}" TextWrapping="Wrap"
+                       IsVisible="{Binding Description, RelativeSource={RelativeSource TemplatedParent},
+                                   Converter={x:Static StringConverters.IsNotNullOrEmpty}}" />
+          </StackPanel>
+          <StackPanel Grid.Column="1" Orientation="Horizontal" Spacing="10" VerticalAlignment="Center">
+            <ToggleSwitch OnContent="Override" OffContent="Override" MinWidth="0"
+                          VerticalAlignment="Center"
+                          IsVisible="{TemplateBinding ShowOverride}"
+                          IsChecked="{Binding IsOverridden, RelativeSource={RelativeSource TemplatedParent}, Mode=TwoWay}" />
+            <ContentPresenter x:Name="PART_Slot"
+                              Content="{TemplateBinding Content}"
+                              VerticalAlignment="Center" />
+          </StackPanel>
+        </Grid>
+      </ControlTemplate>
+    </Setter>
+  </ControlTheme>
+</ResourceDictionary>
diff --git a/src/SharpEmu.GUI/Themes/Tokens.axaml b/src/SharpEmu.GUI/Themes/Tokens.axaml
new file mode 100644
index 00000000..2a7c9bce
--- /dev/null
+++ b/src/SharpEmu.GUI/Themes/Tokens.axaml
@@ -0,0 +1,32 @@
+<!--
+Copyright (C) 2026 SharpEmu Emulator Project
+SPDX-License-Identifier: GPL-2.0-or-later
+Shared colors and brushes used throughout the launcher.
+-->
+
+<ResourceDictionary xmlns="https://github.com/avaloniaui"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+  <Color x:Key="SystemAccentColor">#7C5CFC</Color>
+
+  <LinearGradientBrush x:Key="BgBrush" StartPoint="0%,0%" EndPoint="100%,100%">
+    <GradientStop Offset="0" Color="#12151F" />
+    <GradientStop Offset="0.55" Color="#0D1017" />
+    <GradientStop Offset="1" Color="#0B0D14" />
+  </LinearGradientBrush>
+
+  <SolidColorBrush x:Key="ChromeBrush" Color="#090C12" />
+  <SolidColorBrush x:Key="CardBrush" Color="#141924" />
+  <SolidColorBrush x:Key="CardBorderBrush" Color="#232B3A" />
+  <SolidColorBrush x:Key="ElevatedBrush" Color="#1B2230" />
+  <SolidColorBrush x:Key="TextBrush" Color="#E8ECF4" />
+  <SolidColorBrush x:Key="MutedBrush" Color="#8B94A7" />
+  <SolidColorBrush x:Key="FaintBrush" Color="#5A6478" />
+  <SolidColorBrush x:Key="AccentBrush" Color="#7C5CFC" />
+  <SolidColorBrush x:Key="AccentHoverBrush" Color="#8F73FF" />
+  <SolidColorBrush x:Key="DangerBrush" Color="#E5484D" />
+  <SolidColorBrush x:Key="DangerHoverBrush" Color="#F2555A" />
+  <SolidColorBrush x:Key="SuccessBrush" Color="#46C46B" />
+  <SolidColorBrush x:Key="InfoBrush" Color="#58A6FF" />
+  <SolidColorBrush x:Key="TileHoverBrush" Color="#1A2130" />
+  <SolidColorBrush x:Key="TileSelectedBrush" Color="#212A3F" />
+</ResourceDictionary>