diff --git a/src/managers/CalendarManager.ts b/src/managers/CalendarManager.ts
index c314d9e..19c4c6a 100644
--- a/src/managers/CalendarManager.ts
+++ b/src/managers/CalendarManager.ts
@@ -51,12 +51,20 @@ export class CalendarManager {
         console.log('🚀 CalendarManager: Starting simple initialization');
         
         try {
+            // Debug: Check calendar type
+            const calendarType = this.config.getCalendarMode();
+            console.log(`🔍 CalendarManager: Initializing ${calendarType} calendar`);
+            
             // Step 1: Load data
             console.log('📊 Loading event data...');
             await this.eventManager.loadData();
             
-            // Step 2: Render grid structure  
+            // Step 2: Pass data to GridManager and render grid structure  
             console.log('🏗️ Rendering grid...');
+            if (calendarType === 'resource') {
+                const resourceData = this.eventManager.getResourceData();
+                this.gridManager.setResourceData(resourceData);
+            }
             await this.gridManager.render();
             
             // Step 3: Initialize scroll synchronization
diff --git a/src/managers/EventManager.ts b/src/managers/EventManager.ts
index 47b6907..be30643 100644
--- a/src/managers/EventManager.ts
+++ b/src/managers/EventManager.ts
@@ -65,7 +65,8 @@ export class EventManager {
             const data = await response.json();
             console.log(`EventManager: Loaded data for ${calendarType} calendar`);
             
-            // Remove legacy double emission - data is sent via StateEvents.DATA_LOADED only
+            // Store raw data for GridManager
+            this.rawData = data;
             
             // Process data for internal use
             this.processCalendarData(calendarType, data);
@@ -103,6 +104,15 @@ export class EventManager {
         return [...this.events];
     }
 
+    /**
+     * Get raw resource data for resource calendar mode
+     */
+    public getResourceData(): any {
+        return this.rawData;
+    }
+
+    private rawData: any = null;
+
 
     public getEventById(id: string): CalendarEvent | undefined {
         return this.events.find(event => event.id === id);
diff --git a/src/managers/GridManager.ts b/src/managers/GridManager.ts
index 6f27def..65dcb96 100644
--- a/src/managers/GridManager.ts
+++ b/src/managers/GridManager.ts
@@ -114,6 +114,14 @@ export class GridManager {
     this.setupGridInteractions();
   }
 
+  /**
+   * Set resource data for resource calendar mode
+   */
+  public setResourceData(resourceData: ResourceCalendarData | null): void {
+    this.resourceData = resourceData;
+    console.log('GridManager: Set resource data:', resourceData ? `${resourceData.resources.length} resources` : 'null');
+  }
+
   /**
    * Render the complete grid structure - now returns Promise for direct calls
    */