diff --git a/src/ClaudeDo.Localization/locales/de.json b/src/ClaudeDo.Localization/locales/de.json
index 8a23529..1685fcd 100644
--- a/src/ClaudeDo.Localization/locales/de.json
+++ b/src/ClaudeDo.Localization/locales/de.json
@@ -67,7 +67,7 @@
     "enterKey": "ENTER",
     "notesPinnedRow": "Notizen (Tagesnotizen)",
     "clearDayTip": "Tag leeren",
-    "prepLogTip": "Vorbereitungs-Log",
+    "planMyDayTip": "Meinen Tag planen",
     "overdue": "ÜBERFÄLLIG",
     "tasks": "AUFGABEN",
     "clearCompletedTip": "Alle abgeschlossenen löschen",
diff --git a/src/ClaudeDo.Localization/locales/en.json b/src/ClaudeDo.Localization/locales/en.json
index e25721b..9155907 100644
--- a/src/ClaudeDo.Localization/locales/en.json
+++ b/src/ClaudeDo.Localization/locales/en.json
@@ -67,7 +67,7 @@
     "enterKey": "ENTER",
     "notesPinnedRow": "Notes (daily notes)",
     "clearDayTip": "Clear day",
-    "prepLogTip": "Prep log",
+    "planMyDayTip": "Plan My Day",
     "overdue": "OVERDUE",
     "tasks": "TASKS",
     "clearCompletedTip": "Clear all completed",
diff --git a/src/ClaudeDo.Ui/Design/IslandStyles.axaml b/src/ClaudeDo.Ui/Design/IslandStyles.axaml
index cfd3b62..2cf5e49 100644
--- a/src/ClaudeDo.Ui/Design/IslandStyles.axaml
+++ b/src/ClaudeDo.Ui/Design/IslandStyles.axaml
@@ -73,8 +73,8 @@
     <!-- Icon.Broom (filled: handle + binding band + flared bristles) -->
     <StreamGeometry x:Key="Icon.Broom">M11 3 H13 V10 H11 Z M8.5 10 H15.5 V12 H8.5 Z M9 12 H15 L17 21 H7 Z</StreamGeometry>
 
-    <!-- Icon.List (filled: square bullets + lines) -->
-    <StreamGeometry x:Key="Icon.List">M4 5 H6 V7 H4 Z M8 5 H20 V7 H8 Z M4 11 H6 V13 H4 Z M8 11 H20 V13 H8 Z M4 17 H6 V19 H4 Z M8 17 H20 V19 H8 Z</StreamGeometry>
+    <!-- Icon.PlanDay (stroke-rendered via Path.plan-icon — sun over horizon) -->
+    <StreamGeometry x:Key="Icon.PlanDay">M3,20 L21,20 M8.4,11 a3.6,3.6 0 1,0 7.2,0 a3.6,3.6 0 1,0 -7.2,0 M12,4.5 L12,3 M6,11 L4.5,11 M18,11 L19.5,11 M7.5,6.5 L6.4,5.4 M16.5,6.5 L17.6,5.4</StreamGeometry>
 
     <!-- Icon.X -->
     <StreamGeometry x:Key="Icon.X">M6 6l12 12M18 6L6 18</StreamGeometry>
@@ -247,6 +247,17 @@
     <Setter Property="TextElement.Foreground" Value="{StaticResource TextBrush}" />
   </Style>
 
+  <!-- Stroke-rendered icon (for line-art geometries that PathIcon would fill away) -->
+  <Style Selector="Button.icon-btn Path.plan-icon">
+    <Setter Property="Stroke"          Value="{StaticResource TextMuteBrush}" />
+    <Setter Property="StrokeThickness" Value="1.7" />
+    <Setter Property="StrokeLineCap"   Value="Round" />
+    <Setter Property="StrokeJoin"      Value="Round" />
+  </Style>
+  <Style Selector="Button.icon-btn:pointerover Path.plan-icon">
+    <Setter Property="Stroke" Value="{StaticResource TextBrush}" />
+  </Style>
+
   <!-- ============================================================ -->
   <!-- INPUTS                                                       -->
   <!-- ============================================================ -->
diff --git a/src/ClaudeDo.Ui/Views/Islands/TasksIslandView.axaml b/src/ClaudeDo.Ui/Views/Islands/TasksIslandView.axaml
index 2470c47..9e16ad1 100644
--- a/src/ClaudeDo.Ui/Views/Islands/TasksIslandView.axaml
+++ b/src/ClaudeDo.Ui/Views/Islands/TasksIslandView.axaml
@@ -38,8 +38,10 @@
             <PathIcon Width="15" Height="15" Data="{StaticResource Icon.Broom}"/>
           </Button>
           <Button Classes="icon-btn" IsVisible="{Binding IsMyDayList}"
-                  Command="{Binding ShowPrepLogCommand}" ToolTip.Tip="{loc:Tr tasks.prepLogTip}">
-            <PathIcon Width="15" Height="15" Data="{StaticResource Icon.List}"/>
+                  Command="{Binding ShowPrepLogCommand}" ToolTip.Tip="{loc:Tr tasks.planMyDayTip}">
+            <Viewbox Width="15" Height="15">
+              <Path Classes="plan-icon" Data="{StaticResource Icon.PlanDay}"/>
+            </Viewbox>
           </Button>
           <Button Classes="icon-btn" Command="{Binding OpenListSettingsCommand}" ToolTip.Tip="{loc:Tr tasks.listSettingsTip}">
             <PathIcon Width="15" Height="15" Data="{StaticResource Icon.Settings}"/>