diff --git a/src/lib/components/wizard/StepSheetSearch.svelte b/src/lib/components/wizard/StepSheetSearch.svelte
index c8d3134..e817c71 100644
--- a/src/lib/components/wizard/StepSheetSearch.svelte
+++ b/src/lib/components/wizard/StepSheetSearch.svelte
@@ -1,5 +1,6 @@
 <script lang="ts">
-	import { availableSheets, selectedSheet, currentStep } from '$lib/stores';
+	import { selectedSheet, currentStep } from '$lib/stores';
+	import type { SheetInfoType } from '$lib/stores';
 	import { searchSheets } from '$lib/google';
 	import { onMount } from 'svelte';
 	import Navigator from './subcomponents/Navigator.svelte';
@@ -25,19 +26,11 @@
 
 		try {
 			searchResults = await searchSheets(searchQuery);
-			availableSheets.set(
-				searchResults.map((sheet) => ({
-					spreadsheetId: sheet.spreadsheetId || sheet.id,
-					name: sheet.name,
-					url: sheet.webViewLink
-				}))
-			);
 			hasSearched = true;
 		} catch (err) {
 			console.error('Error searching sheets:', err);
 			error = 'Failed to search sheets. Please check your connection and try again.';
 			searchResults = [];
-			availableSheets.set([]);
 		} finally {
 			isLoading = false;
 		}
@@ -57,11 +50,24 @@
 		}
 	}
 
+	function saveRecentSheet(sheet) {
+		// Remove duplicates
+		recentSheets = recentSheets.filter(s => s.id !== sheet.id);
+		recentSheets.unshift(sheet);
+
+		// Limit to 5 recent sheets
+		if (recentSheets.length > 5) {
+			recentSheets.pop();
+		}
+
+		localStorage.setItem(RECENT_SHEETS_KEY, JSON.stringify(recentSheets));
+	}
+
 	function handleSelectSheet(sheet) {
-		const sheetData = {
-			spreadsheetId: sheet.spreadsheetId || sheet.id,
+		const sheetData: SheetInfoType = {
+			id: sheet.id,
 			name: sheet.name,
-			url: sheet.webViewLink || sheet.url
+			webViewLink: sheet.webViewLink
 		};
 		selectedSheet.set(sheetData);
 	}
@@ -264,5 +270,6 @@
 		textBack="Back to Auth"
 		textForwardDisabled="Select a sheet"
 		textForwardEnabled="Continue"
+		onForward={() => saveRecentSheet($selectedSheet)}
 	/>
 </div>
diff --git a/src/lib/stores.ts b/src/lib/stores.ts
index f801e09..c650ed7 100644
--- a/src/lib/stores.ts
+++ b/src/lib/stores.ts
@@ -1,45 +1,42 @@
 import { writable, derived } from 'svelte/store';
 
+
+// This file is holy and shall not be edited by Copilot!
+
+
 // User session and authentication
 export const session = writable<{
   token?: string;
   user?: { name: string; email: string };
 }>({});
 
-// Raw sheet data after import
-export const rawSheetData = writable<string[][]>([]);
+// Data structure column mapping
+export interface ColumnMappingType {
+  name: number;
+  surname: number;
+  nationality: number;
+  birthday: number;
+  pictureUrl: number;
+  alreadyPrinted: number;
+  sheetName: string;
+}
 
-// Filtered sheet data after row selection
-export const filteredSheetData = writable<any[]>([]);
-
-// Column mapping configuration
-export const columnMapping = writable<{
-  name?: number;
-  surname?: number;
-  nationality?: number;
-  birthday?: number;
-  pictureUrl?: number;
-  alreadyPrinted?: number;
-}>({});
-
-// Processed row data after mapping and validation
+// Data structure for a row in the sheet
 export interface RowData {
-  id: string;
+  id: string; // Unique identifier
   name: string;
   surname: string;
   nationality: string;
   birthday: string;
   pictureUrl: string;
-  valid: boolean;
-  included: boolean;
-  age?: number;
-  validationErrors: string[];
+  alreadyPrinted: boolean;
+  _rowIndex: number;
+  _checked: boolean;
+  _valid: boolean;
 }
 
-export const sheetData = writable<RowData[]>([]);
-
 // Picture storage and metadata
-export interface PictureBlobInfo {
+export interface PictureBlobInfoType {
   id: string;
   blob: Blob;
   url: string;
@@ -48,17 +45,55 @@ export interface PictureBlobInfo {
   faceCount: number;
 }
 
-export const pictures = writable<Record<string, PictureBlobInfo>>({});
-
-// Crop rectangles for each photo
-export interface Crop {
+// CropType rectangles for each photo
+export interface CropType {
   x: number;
   y: number;
   width: number;
   height: number;
 }
 
-export const cropRects = writable<Record<string, Crop>>({});
+// Google Sheets list for search
+export interface SheetInfoType {
+  id: string;
+  name: string;
+  webViewLink: string;
+}
+
+// Card details type
+export interface CardDetailsType {
+  homeSection: string;
+  validityStart: string;
+}
+
+
+
+// Column mapping configuration
+export const columnMapping = writable<ColumnMappingType>(
+  {
+    name: -1,
+    surname: -1,
+    nationality: -1,
+    birthday: -1,
+    pictureUrl: -1,
+    alreadyPrinted: -1,
+    sheetName: ''
+  });
+
+// Store to hold the processed sheet data
+export const sheetData = writable<RowData[]>([]);
+
+// Store and hold the processed picture data
+export const pictures = writable<Record<string, PictureBlobInfoType>>({});
+
+// Store and hold the crop rectangles from face detection
+export const CropRects = writable<Record<string, CropType>>({});
+
+// Store and hold the selected sheet
+export const selectedSheet = writable<SheetInfoType | null>(null);
+
+// Card details for generation
+export const cardDetails = writable<CardDetailsType | null>(null);
 
 // Wizard state management
 export const currentStep = writable<number>(0);
@@ -94,62 +129,3 @@ export const progress = writable<ProgressState>({
   total: 0,
   message: ''
 });
-
-// Google Sheets list for search
-export interface SheetInfo {
-  spreadsheetId: string;
-  name: string;
-  url: string;
-}
-
-export const availableSheets = writable<SheetInfo[]>([]);
-
-// Selected sheet
-export const selectedSheet = writable<SheetInfo | null>(null);
-
-// Validation derived stores
-export const validRowCount = derived(
-  sheetData,
-  ($sheetData) => $sheetData.filter(row => row.valid && row.included).length
-);
-
-export const invalidRowCount = derived(
-  sheetData,
-  ($sheetData) => $sheetData.filter(row => !row.valid).length
-);
-
-export const totalRowCount = derived(
-  sheetData,
-  ($sheetData) => $sheetData.length
-);
-
-// Face detection status
-export const faceDetectionProgress = writable<{
-  completed: number;
-  total: number;
-  currentImage: string;
-}>({
-  completed: 0,
-  total: 0,
-  currentImage: ''
-});
-
-// PDF generation status
-export const pdfGenerationStatus = writable<{
-  generating: boolean;
-  stage: 'preparing' | 'text-pdf' | 'photo-pdf' | 'complete';
-  progress: number;
-}>({
-  generating: false,
-  stage: 'preparing',
-  progress: 0
-});
-
-// Card details for generation
-export const cardDetails = writable<{
-  homeSection: string;
-  validityStart: string;
-}>({
-  homeSection: '',
-  validityStart: ''
-});