diff --git a/src/services/poss/sales.ts b/src/services/poss/sales.ts
index b138c7c..ad81aaa 100644
--- a/src/services/poss/sales.ts
+++ b/src/services/poss/sales.ts
@@ -1,3 +1,4 @@
+// ... existing imports and interfaces ...
 export interface SaleItem {
   product_name: string;
   quantity: number;
@@ -6,7 +7,7 @@ export interface SaleItem {
 }
 
 export interface Sale {
-  id?: string;
+  id?: string; // Make sure ID is optional in interface
   customer_name: string | null;
   amount_tendered: number;
   user_name: string;
@@ -19,12 +20,11 @@ export interface Sale {
   payment_type: string;
   items: SaleItem[];
   sale_date: string;
-  status: "completed" | "void" | "refunded";
+  status: string;
   discount_type: string;
 }
 
-const API_URL =
-  "https://firestore.googleapis.com/v1/projects/pos-system-22c92/databases/(default)/documents/sales";
+const API_URL = "https://firestore.googleapis.com/v1/projects/pos-system-22c92/databases/(default)/documents/sales";
 
 // Helper to unwrap Firestore values
 const unwrapValue = (field: any) => {
@@ -42,24 +42,22 @@ export const getSales = async (): Promise<Sale[]> => {
   let sales: Sale[] = [];
   let nextPageToken: string | null = null;
 
-  // Loop to fetch ALL pages of data
   do {
     try {
-      const queryParams = new URLSearchParams({ pageSize: "300" });
-      if (nextPageToken) queryParams.append("pageToken", nextPageToken);
+      const queryParams = new URLSearchParams({ pageSize: '300' });
+      if (nextPageToken) queryParams.append('pageToken', nextPageToken);
 
       const response = await fetch(`${API_URL}?${queryParams.toString()}`);
       if (!response.ok) throw new Error(`HTTP Error: ${response.status}`);
-
+      
       const data = await response.json();
       nextPageToken = data.nextPageToken || null;
       const rawList = data.documents || [];
 
       const batch = rawList.map((doc: any) => {
-        const id = doc.name ? doc.name.split("/").pop() : "unknown";
+        const id = doc.name ? doc.name.split('/').pop() : 'unknown';
         const fields = doc.fields || {};
-
-        // Unwrap Items Array manually since it's nested
+        
         const itemsWrapper = fields.items?.arrayValue?.values || [];
         const items: SaleItem[] = itemsWrapper.map((item: any) => ({
           product_name: unwrapValue(item.mapValue.fields.product_name),
@@ -72,22 +70,23 @@ export const getSales = async (): Promise<Sale[]> => {
           id,
           customer_name: unwrapValue(fields.customer_name),
           amount_tendered: unwrapValue(fields.amount_tendered) || 0,
-          user_name: unwrapValue(fields.user_name) || "Unknown",
+          user_name: unwrapValue(fields.user_name) || 'Unknown',
           tax_amount: unwrapValue(fields.tax_amount) || 0,
           refund_reason: unwrapValue(fields.refund_reason),
           total_amount: unwrapValue(fields.total_amount) || 0,
           discount_amount: unwrapValue(fields.discount_amount) || 0,
           change_due: unwrapValue(fields.change_due) || 0,
           refunded_at: unwrapValue(fields.refunded_at),
-          payment_type: unwrapValue(fields.payment_type) || "Cash",
+          payment_type: unwrapValue(fields.payment_type) || 'Cash',
           items,
           sale_date: unwrapValue(fields.sale_date),
-          status: unwrapValue(fields.status) || "completed",
-          discount_type: unwrapValue(fields.discount_type) || "None",
+          status: unwrapValue(fields.status) || 'completed',
+          discount_type: unwrapValue(fields.discount_type) || 'None'
         };
       });
 
       sales = [...sales, ...batch];
+
     } catch (error) {
       console.error("Failed to fetch sales page:", error);
       throw error;
@@ -97,36 +96,30 @@ export const getSales = async (): Promise<Sale[]> => {
   return sales;
 };
 
-export const updateSaleStatus = async (
-  id: string,
-  status: "void" | "refunded",
-  reason: string
-): Promise<void> => {
+export const updateSaleStatus = async (id: string, status: 'void' | 'refunded', reason: string): Promise<void> => {
   const url = `${API_URL}/${id}?updateMask.fieldPaths=status&updateMask.fieldPaths=refund_reason&updateMask.fieldPaths=refunded_at`;
   const now = new Date().toISOString();
 
   const response = await fetch(url, {
-    method: "PATCH",
-    headers: { "Content-Type": "application/json" },
+    method: 'PATCH',
+    headers: { 'Content-Type': 'application/json' },
     body: JSON.stringify({
       fields: {
         status: { stringValue: status },
         refund_reason: { stringValue: reason },
-        refunded_at: { timestampValue: now },
-      },
-    }),
+        refunded_at: { timestampValue: now }
+      }
+    })
   });
 
-  if (!response.ok)
-    throw new Error(`Failed to update sale status: ${response.status}`);
+  if (!response.ok) throw new Error(`Failed to update sale status: ${response.status}`);
 };
 
-export const createSale = async (sale: Sale): Promise<void> => {
+// Updated to return string (The new ID)
+export const createSale = async (sale: Sale): Promise<string> => {
   const payload = {
     fields: {
-      customer_name: sale.customer_name
-        ? { stringValue: sale.customer_name }
-        : { nullValue: null },
+      customer_name: sale.customer_name ? { stringValue: sale.customer_name } : { nullValue: null },
       amount_tendered: { doubleValue: sale.amount_tendered },
       user_name: { stringValue: sale.user_name },
       tax_amount: { doubleValue: sale.tax_amount },
@@ -141,30 +134,36 @@ export const createSale = async (sale: Sale): Promise<void> => {
       discount_type: { stringValue: sale.discount_type },
       items: {
         arrayValue: {
-          values: sale.items.map((item) => ({
+          values: sale.items.map(item => ({
             mapValue: {
               fields: {
                 product_name: { stringValue: item.product_name },
                 quantity: { integerValue: String(item.quantity) },
                 price: { doubleValue: item.price },
-                total: { doubleValue: item.total },
-              },
-            },
-          })),
-        },
-      },
-    },
+                total: { doubleValue: item.total }
+              }
+            }
+          }))
+        }
+      }
+    }
   };
 
   const response = await fetch(API_URL, {
-    method: "POST",
-    headers: { "Content-Type": "application/json" },
-    body: JSON.stringify(payload),
+    method: 'POST',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify(payload)
   });
 
   if (!response.ok) {
-    // @ts-ignore
     const errText = await response.text();
     throw new Error(`Failed to create sale: ${response.status}`);
   }
+
+  // Parse response to get the ID
+  const data = await response.json();
+  // data.name is like "projects/.../documents/sales/DOCUMENT_ID"
+  const newId = data.name.split('/').pop();
+  
+  return newId;
 };