diff --git a/gui/main_window.py b/gui/main_window.py
index b51e18a..f593774 100644
--- a/gui/main_window.py
+++ b/gui/main_window.py
@@ -280,9 +280,38 @@ class MainWindow:
         )
         self.status_label.pack(side="left", padx=20, pady=5)
         
-        # Activity status (clickable)
+        # Own activity indicator (yellow LED)
+        self.own_activity_frame = ctk.CTkFrame(self.status_bar, fg_color="transparent")
+        self.own_activity_frame.pack(side="left", padx=(20, 0))
+        
+        self.own_activity_led = ctk.CTkLabel(
+            self.own_activity_frame,
+            text="",  # Will be set to yellow circle when active
+            font=('Segoe UI', 12),
+            text_color=COLORS['accent_warning'],
+            cursor="hand2"
+        )
+        self.own_activity_led.pack(side="left", padx=(0, 5))
+        
+        self.own_activity_label = ctk.CTkLabel(
+            self.own_activity_frame,
+            text="",
+            font=FONTS['small'],
+            text_color=COLORS['accent_warning'],
+            cursor="hand2"
+        )
+        self.own_activity_label.pack(side="left")
+        
+        # Bind mouseover events for own activity
+        self.own_activity_led.bind("<Enter>", self._show_own_activity_tooltip)
+        self.own_activity_led.bind("<Leave>", self._hide_activity_tooltip)
+        self.own_activity_label.bind("<Enter>", self._show_own_activity_tooltip)
+        self.own_activity_label.bind("<Leave>", self._hide_activity_tooltip)
+        self.own_activity_label.bind("<Button-1>", self.show_activity_details)
+        
+        # Team activity status (blue LED)
         self.activity_frame = ctk.CTkFrame(self.status_bar, fg_color="transparent")
-        self.activity_frame.pack(side="left", padx=(20, 0))
+        self.activity_frame.pack(side="left", padx=(10, 0))
         
         self.activity_label = ctk.CTkLabel(
             self.activity_frame,
@@ -3084,9 +3113,25 @@ class MainWindow:
     
     def update_activity_display(self, activities):
         """Update activity display in status bar"""
+        from services.activity_sync import activity_service
+        
+        # Update own activity indicator (yellow LED)
+        own_activities = activity_service.get_all_current_activities()
+        if own_activities:
+            self.own_activity_led.configure(text="🟡")
+            activity_count = len(own_activities)
+            if activity_count == 1:
+                self.own_activity_label.configure(text=f"{own_activities[0]['projectName']}")
+            else:
+                self.own_activity_label.configure(text=f"{activity_count} Projekte aktiv")
+        else:
+            self.own_activity_led.configure(text="")
+            self.own_activity_label.configure(text="")
+        
+        # Update team activity indicator (blue LED)
         count = len(activities)
         if count > 0:
-            self.activity_label.configure(text=f"🟢 {count} Teammitglieder aktiv")
+            self.activity_label.configure(text=f"🔵 {count} Teammitglieder aktiv")
         else:
             self.activity_label.configure(text="")
             
@@ -3112,6 +3157,55 @@ class MainWindow:
         # Schedule next update
         self.root.after(5000, self.update_activity_status)  # Update every 5 seconds
     
+    def _show_own_activity_tooltip(self, event=None):
+        """Show tooltip with own active projects"""
+        if hasattr(self, 'activity_tooltip'):
+            self.activity_tooltip.destroy()
+            
+        from services.activity_sync import activity_service
+        own_activities = activity_service.get_all_current_activities()
+        
+        if not own_activities:
+            return
+            
+        self.activity_tooltip = ctk.CTkToplevel(self.root)
+        self.activity_tooltip.wm_overrideredirect(True)
+        self.activity_tooltip.configure(fg_color=COLORS['bg_secondary'])
+        
+        # Build tooltip text
+        if len(own_activities) == 1:
+            text = f"🟡 {activity_service.user_name}\nAktiv: {own_activities[0]['projectName']}"
+        else:
+            text = f"🟡 {activity_service.user_name}\nAktive Projekte:"
+            for activity in own_activities:
+                text += f"\n• {activity['projectName']}"
+        
+        label = ctk.CTkLabel(
+            self.activity_tooltip,
+            text=text,
+            font=FONTS['small'],
+            text_color=COLORS['text_primary'],
+            fg_color=COLORS['bg_secondary'],
+            justify="left"
+        )
+        label.pack(padx=10, pady=8)
+        
+        # Position tooltip above the LED
+        x = self.own_activity_led.winfo_rootx()
+        y = self.own_activity_led.winfo_rooty() - 10
+        
+        # Update tooltip position
+        self.activity_tooltip.update_idletasks()
+        tooltip_height = self.activity_tooltip.winfo_reqheight()
+        y = y - tooltip_height
+        
+        self.activity_tooltip.geometry(f"+{x}+{y}")
+        
+    def _hide_activity_tooltip(self, event=None):
+        """Hide activity tooltip"""
+        if hasattr(self, 'activity_tooltip'):
+            self.activity_tooltip.destroy()
+            
     def show_activity_details(self, event=None):
         """Show detailed activity information"""
         from services.activity_sync import activity_service