diff --git a/HellionChat/Resources/HellionStrings.Designer.cs b/HellionChat/Resources/HellionStrings.Designer.cs
index bec7fff..bfbead7 100644
--- a/HellionChat/Resources/HellionStrings.Designer.cs
+++ b/HellionChat/Resources/HellionStrings.Designer.cs
@@ -319,4 +319,8 @@ internal class HellionStrings
     // Hellion Chat — v1.2.0 Bottom-Status-Bar Privacy-Badge labels
     internal static string StatusBar_Privacy_Enabled => Get(nameof(StatusBar_Privacy_Enabled));
     internal static string StatusBar_Privacy_Open => Get(nameof(StatusBar_Privacy_Open));
+
+    // Hellion Chat — v1.2.0 Appearance / Compact-Density toggle
+    internal static string Appearance_UseCompactDensity_Name => Get(nameof(Appearance_UseCompactDensity_Name));
+    internal static string Appearance_UseCompactDensity_Description => Get(nameof(Appearance_UseCompactDensity_Description));
 }
diff --git a/HellionChat/Resources/HellionStrings.de.resx b/HellionChat/Resources/HellionStrings.de.resx
index 5adeb67..eea3036 100644
--- a/HellionChat/Resources/HellionStrings.de.resx
+++ b/HellionChat/Resources/HellionStrings.de.resx
@@ -722,4 +722,10 @@
   <data name="StatusBar_Privacy_Open" xml:space="preserve">
     <value>Offen</value>
   </data>
+  <data name="Appearance_UseCompactDensity_Name" xml:space="preserve">
+    <value>Kompakte Dichte</value>
+  </data>
+  <data name="Appearance_UseCompactDensity_Description" xml:space="preserve">
+    <value>Schaltet das Message-Layout vom Card-Row-Default zurück auf einzeilige `[HH:mm] Sender: Text` Zeilen.</value>
+  </data>
 </root>
diff --git a/HellionChat/Resources/HellionStrings.resx b/HellionChat/Resources/HellionStrings.resx
index 86d829d..7616d54 100644
--- a/HellionChat/Resources/HellionStrings.resx
+++ b/HellionChat/Resources/HellionStrings.resx
@@ -722,4 +722,10 @@
   <data name="StatusBar_Privacy_Open" xml:space="preserve">
     <value>Open</value>
   </data>
+  <data name="Appearance_UseCompactDensity_Name" xml:space="preserve">
+    <value>Compact Density</value>
+  </data>
+  <data name="Appearance_UseCompactDensity_Description" xml:space="preserve">
+    <value>Schaltet das Message-Layout vom Card-Row-Default zurück auf einzeilige `[HH:mm] Sender: Text` Zeilen.</value>
+  </data>
 </root>
diff --git a/HellionChat/Ui/SettingsTabs/Appearance.cs b/HellionChat/Ui/SettingsTabs/Appearance.cs
index ce09f4c..5cde2ee 100644
--- a/HellionChat/Ui/SettingsTabs/Appearance.cs
+++ b/HellionChat/Ui/SettingsTabs/Appearance.cs
@@ -356,6 +356,11 @@ internal sealed class Appearance : ISettingsTab
                 ImGui.Checkbox(Language.Options_MoreCompactPretty_Name, ref Mutable.MoreCompactPretty);
                 ImGuiUtil.HelpMarker(Language.Options_MoreCompactPretty_Description);
 
+                // v1.2.0 — Card-Rows als Default. Compact-Density schaltet auf den
+                // klassischen Single-Line-Mode `[HH:mm] Sender: Text` zurück.
+                ImGui.Checkbox(HellionStrings.Appearance_UseCompactDensity_Name, ref Mutable.UseCompactDensity);
+                ImGuiUtil.HelpMarker(HellionStrings.Appearance_UseCompactDensity_Description);
+
                 ImGui.Checkbox(Language.Options_HideSameTimestamps_Name, ref Mutable.HideSameTimestamps);
                 ImGuiUtil.HelpMarker(Language.Options_HideSameTimestamps_Description);
             }