diff --git a/Modules/Panels/Launcher/Launcher.qml b/Modules/Panels/Launcher/Launcher.qml
index 4a89dafd..8185221e 100644
--- a/Modules/Panels/Launcher/Launcher.qml
+++ b/Modules/Panels/Launcher/Launcher.qml
@@ -13,12 +13,12 @@ import qs.Widgets
 SmartPanel {
   id: root
 
-  readonly property int baseWidth: Math.round(500 * Style.uiScaleRatio)
-  readonly property int previewWidth: Math.round(400 * Style.uiScaleRatio)
+  readonly property real clipListRatio: 0.6  // 60% for the list
+  readonly property real clipPreviewRatio: 0.4  // 40% for the preview
   readonly property bool previewActive: activePlugin && activePlugin.name === I18n.tr("plugins.clipboard") && results.length > 0
 
   // Panel configuration
-  preferredWidth: baseWidth + (previewActive ? previewWidth : 0)
+  preferredWidth: Math.round(700 * Style.uiScaleRatio)  // Base width when both are shown, scaled appropriately
   preferredHeight: Math.round(600 * Style.uiScaleRatio)
   preferredWidthRatio: 0.3
   preferredHeightRatio: 0.5
@@ -348,7 +348,10 @@ SmartPanel {
       ColumnLayout {
         id: leftPane
         Layout.fillHeight: true
-        Layout.preferredWidth: root.baseWidth
+        Layout.fillWidth: root.previewActive  // Fill width proportionally when preview is active
+        Layout.preferredWidth: root.previewActive ?
+          Math.round(root.clipListRatio * (root.preferredWidth - (Style.marginL * 2))) :
+          (root.preferredWidth - (Style.marginL * 2))
         anchors.margins: Style.marginL
         spacing: Style.marginM
 
@@ -656,7 +659,9 @@ SmartPanel {
       // --- Right Pane (Preview) ---
       Item {
         Layout.fillHeight: true
-        Layout.preferredWidth: root.previewActive ? root.previewWidth : 0
+        Layout.fillWidth: root.previewActive  // Fill width proportionally when preview is active
+        Layout.preferredWidth: root.previewActive ?
+          Math.round(root.clipPreviewRatio * (root.preferredWidth - (Style.marginL * 2))) : 0
         visible: root.previewActive
 
         Behavior on Layout.preferredWidth {
diff --git a/Widgets/ClipboardPreview.qml b/Widgets/ClipboardPreview.qml
index f439a5a8..4e29ef86 100644
--- a/Widgets/ClipboardPreview.qml
+++ b/Widgets/ClipboardPreview.qml
@@ -13,7 +13,6 @@ Item {
   property bool loadingFullContent: false
 
   implicitHeight: contentColumn.implicitHeight + Style.marginL * 2
-  implicitWidth: 350 // A default width
 
   Connections {
     target: previewPanel