diff --git a/frontend/src/renderer/stores/fileStore.js b/frontend/src/renderer/stores/fileStore.js
new file mode 100644
index 0000000..9c02506
--- /dev/null
+++ b/frontend/src/renderer/stores/fileStore.js
@@ -0,0 +1,60 @@
+import { create } from 'zustand';
+
+const useFileStore = create((set, get) => ({
+  // State
+  files: [],
+  currentPath: [],
+  currentFolderId: null,
+  selectedFiles: [],
+  loading: false,
+  error: null,
+  
+  // Actions
+  setFiles: (files) => set({ files }),
+  
+  setCurrentFolder: (folderId, folderName) => {
+    const { currentPath } = get();
+    if (folderId === null) {
+      set({ currentFolderId: null, currentPath: [] });
+    } else {
+      set({ 
+        currentFolderId: folderId, 
+        currentPath: [...currentPath, { id: folderId, name: folderName }] 
+      });
+    }
+  },
+  
+  goBack: () => {
+    const { currentPath } = get();
+    if (currentPath.length <= 1) {
+      set({ currentFolderId: null, currentPath: [] });
+    } else {
+      const newPath = currentPath.slice(0, -1);
+      set({ 
+        currentFolderId: newPath[newPath.length - 1]?.id || null,
+        currentPath: newPath 
+      });
+    }
+  },
+  
+  toggleSelectFile: (fileId) => {
+    const { selectedFiles } = get();
+    if (selectedFiles.includes(fileId)) {
+      set({ selectedFiles: selectedFiles.filter(id => id !== fileId) });
+    } else {
+      set({ selectedFiles: [...selectedFiles, fileId] });
+    }
+  },
+  
+  clearSelection: () => set({ selectedFiles: [] }),
+  
+  selectAll: () => {
+    const { files } = get();
+    set({ selectedFiles: files.map(f => f.id) });
+  },
+  
+  setLoading: (loading) => set({ loading }),
+  setError: (error) => set({ error }),
+}));
+
+export default useFileStore;