diff --git a/src/pages/product/Create.tsx b/src/pages/product/Create.tsx
index 0d58576..0768ec4 100644
--- a/src/pages/product/Create.tsx
+++ b/src/pages/product/Create.tsx
@@ -40,7 +40,9 @@ const CreateProduct: FC = () => {
             images: [],
             discount: 0,
             isSpecialOffer: false,
-            order: 0
+            order: 0,
+            stock: undefined,
+            maxPurchaseQuantity: undefined
         },
         validationSchema: Yup.object().shape({
             title: Yup.string().required('نام کالا الزامی است'),
@@ -61,7 +63,7 @@ const CreateProduct: FC = () => {
                 const variants =
                     values.variants.length > 0
                         ? values.variants
-                        : [{ value: '', price: values.price }]
+                        : [{ value: '', price: values.price, ...(values.stock !== undefined && values.stock !== null && { stock: values.stock }) }]
                 const productData: CreateProductType = {
                     ...values,
                     variants,
diff --git a/src/pages/product/Update.tsx b/src/pages/product/Update.tsx
index 3995ee9..4a0a861 100644
--- a/src/pages/product/Update.tsx
+++ b/src/pages/product/Update.tsx
@@ -46,7 +46,9 @@ const UpdateProduct: FC = () => {
       images: [],
       discount: 0,
       isSpecialOffer: false,
-      order: 0
+      order: 0,
+      stock: undefined,
+      maxPurchaseQuantity: undefined
     },
     validationSchema: Yup.object().shape({
       title: Yup.string().required('نام کالا الزامی است'),
@@ -75,9 +77,10 @@ const UpdateProduct: FC = () => {
             ? values.variants.map((v) => ({
                 ...(v.id && { id: v.id }),
                 value: v.value ?? '',
-                price: v.price ?? 0
+                price: v.price ?? 0,
+                ...(v.stock !== undefined && v.stock !== null && { stock: v.stock })
               }))
-            : [{ value: '', price: values.price }]
+            : [{ value: '', price: values.price, ...(values.stock !== undefined && values.stock !== null && { stock: values.stock }) }]
         const productData: CreateProductType = {
           ...values,
           variants,
@@ -130,7 +133,9 @@ const UpdateProduct: FC = () => {
         images: product.images || [],
         discount: product.discount || 0,
         isSpecialOffer: product.isSpecialOffer || false,
-        order: product.order ?? 0
+        order: product.order ?? 0,
+        stock: product.variants?.[0]?.stock,
+        maxPurchaseQuantity: product.maxPurchaseQuantity
       })
       setIsActive(product.isActive || false)
       setIsSpecial(product.isSpecialOffer || false)
diff --git a/src/pages/product/components/BasicInfoSection.tsx b/src/pages/product/components/BasicInfoSection.tsx
index 40293a2..baa5922 100644
--- a/src/pages/product/components/BasicInfoSection.tsx
+++ b/src/pages/product/components/BasicInfoSection.tsx
@@ -41,7 +41,7 @@ const BasicInfoSection: FC<BasicInfoSectionProps> = ({ formik, categories, initi
     formik.setFieldValue('variants', [...formik.values.variants, newVariant()])
   }
 
-  const updateVariant = (index: number, field: keyof ProductVariant, value: string | number) => {
+  const updateVariant = (index: number, field: keyof ProductVariant, value: string | number | undefined) => {
     const next = [...formik.values.variants]
     next[index] = { ...next[index], [field]: value }
     formik.setFieldValue('variants', next)
@@ -80,6 +80,22 @@ const BasicInfoSection: FC<BasicInfoSectionProps> = ({ formik, categories, initi
         />
       </div>
 
+      <div className='mt-5'>
+        <Input
+          name='maxPurchaseQuantity'
+          label='حداکثر تعداد خرید'
+          placeholder='خالی = بی‌نهایت'
+          type='number'
+          min={0}
+          value={formik.values.maxPurchaseQuantity === undefined || formik.values.maxPurchaseQuantity === null ? '' : formik.values.maxPurchaseQuantity}
+          onChange={(e) => {
+            const v = e.target.value
+            formik.setFieldValue('maxPurchaseQuantity', v === '' ? undefined : Number(v))
+          }}
+          error_text={formik.touched.maxPurchaseQuantity && formik.errors.maxPurchaseQuantity ? formik.errors.maxPurchaseQuantity : ''}
+        />
+      </div>
+
       {/* بخش قیمت‌گذاری و تنوع */}
       <div className='mt-6 p-5 sm:p-6 rounded-2xl border border-gray-200/80 bg-gray-50/50'>
         <div className='text-sm font-medium text-gray-800 mb-1'>قیمت‌گذاری و تنوع</div>
@@ -109,6 +125,19 @@ const BasicInfoSection: FC<BasicInfoSectionProps> = ({ formik, categories, initi
               onChange={(e) => formik.setFieldValue('price', Number(e.target.value))}
               error_text={formik.touched.price && formik.errors.price ? formik.errors.price : ''}
             />
+            <Input
+              name='stock'
+              label='موجودی'
+              placeholder='خالی = بی‌نهایت'
+              type='number'
+              min={0}
+              value={formik.values.stock === undefined || formik.values.stock === null ? '' : formik.values.stock}
+              onChange={(e) => {
+                const v = e.target.value
+                formik.setFieldValue('stock', v === '' ? undefined : Number(v))
+              }}
+              error_text={formik.touched.stock && formik.errors.stock ? formik.errors.stock : ''}
+            />
             <Input
               name='discount'
               label='تخفیف (تومان)'
@@ -163,7 +192,7 @@ const BasicInfoSection: FC<BasicInfoSectionProps> = ({ formik, categories, initi
             </div>
 
             <div>
-              <label className='block text-sm font-medium text-gray-700 mb-2'>تنوع‌ها و قیمت هر کدام</label>
+              <label className='block text-sm font-medium text-gray-700 mb-2'>تنوع‌ها، قیمت و موجودی هر کدام</label>
               <div className='space-y-3'>
                 {formik.values.variants.map((v, index) => (
                   <div
@@ -184,6 +213,17 @@ const BasicInfoSection: FC<BasicInfoSectionProps> = ({ formik, categories, initi
                       onChange={(e) => updateVariant(index, 'price', Number(e.target.value))}
                       className='flex-1 min-w-0 shrink-0'
                     />
+                    <Input
+                      placeholder='موجودی (خالی=بی‌نهایت)'
+                      type='number'
+                      min={0}
+                      value={v.stock === undefined || v.stock === null ? '' : v.stock}
+                      onChange={(e) => {
+                        const val = e.target.value
+                        updateVariant(index, 'stock', val === '' ? undefined : Number(val))
+                      }}
+                      className='flex-1 min-w-0 shrink-0'
+                    />
                     <div className='min-w-5'>
                       <Trash
                         onClick={() => removeVariant(index)}
diff --git a/src/pages/product/types/Types.ts b/src/pages/product/types/Types.ts
index 9fdfa1e..e117be8 100644
--- a/src/pages/product/types/Types.ts
+++ b/src/pages/product/types/Types.ts
@@ -4,6 +4,7 @@ export type ProductVariant = {
   id?: string;
   value: string;
   price: number;
+  stock?: number;
 };
 
 export type CreateProductType = {
@@ -18,6 +19,9 @@ export type CreateProductType = {
   discount: number;
   isSpecialOffer: boolean;
   order: number;
+  /** فقط در حالت بدون تنوع استفاده می‌شود */
+  stock?: number;
+  maxPurchaseQuantity?: number;
 };
 
 export type Category = {
@@ -119,6 +123,7 @@ export type Product = {
   score?: number;
   discount: number;
   isSpecialOffer: boolean;
+  maxPurchaseQuantity?: number;
 };
 
 export type GetProductsParams = {
@@ -150,6 +155,7 @@ export type ProductDetails = {
   score?: number | null;
   discount: number;
   isSpecialOffer: boolean;
+  maxPurchaseQuantity?: number;
 };
 
 export type PaginationMeta = {