diff --git a/src/app/api/products/search-sheets/route.ts b/src/app/api/products/search-sheets/route.ts
index 1ee22a1..6efbcb5 100644
--- a/src/app/api/products/search-sheets/route.ts
+++ b/src/app/api/products/search-sheets/route.ts
@@ -47,12 +47,11 @@ export async function GET(req: NextRequest) {
         const ugs = (row[2] ?? '').trim()
 
         // Le nom de fichier contient l'UGS (ex: "30827-dessus" contient "30827")
-        // Les UGS étant uniques, un simple contains suffit
         const refLower = ref.toLowerCase()
         const ugsLower = ugs.toLowerCase()
-        const isMatch = ugs && refLower.includes(ugsLower)
+        const isMatch = ugs && shopifyId && refLower.includes(ugsLower)
 
-        if (isMatch && shopifyId) {
+        if (isMatch) {
           const title = (row[3] ?? '').trim()  // col D = Nom
           return NextResponse.json({ found: true, shopifyId, title })
         }
diff --git a/src/lib/shopify.ts b/src/lib/shopify.ts
index 5ba9085..acd6412 100644
--- a/src/lib/shopify.ts
+++ b/src/lib/shopify.ts
@@ -21,34 +21,62 @@ export type ShopifyProductResult =
 
 /**
  * Recherche un produit Shopify par sa référence.
- * Tente d'abord par handle (ex: "ref-1042"), puis par titre exact.
+ * Stratégie : SKU exact → SKU sans suffixe → handle → titre.
+ * Les images peuvent être nommées "30827-dessus.jpg" alors que le SKU est "30827".
  */
 export async function searchProductByRef(ref: string): Promise<ShopifyProductResult> {
   const { baseUrl, headers } = getConfig()
 
-  // Normalise la référence en handle Shopify (minuscules, tirets)
-  const handle = ref.toLowerCase().replace(/[^a-z0-9]+/g, '-').replace(/^-+|-+$/g, '')
-
-  const tryFetch = async (params: string) => {
-    const res = await fetch(`${baseUrl}/products.json?${params}&fields=id,title,handle&limit=1`, { headers })
-    if (!res.ok) throw new Error(`Shopify API error: ${res.status}`)
+  // Recherche par SKU via l'API variants
+  const searchBySku = async (sku: string): Promise<ShopifyProductResult> => {
+    const res = await fetch(
+      `${baseUrl}/variants.json?sku=${encodeURIComponent(sku)}&fields=id,sku,product_id&limit=1`,
+      { headers },
+    )
+    if (!res.ok) return { found: false }
     const data = await res.json()
-    return (data.products ?? []) as Array<{ id: number; title: string; handle: string }>
+    const variants = (data.variants ?? []) as Array<{ id: number; sku: string; product_id: number }>
+    if (variants.length === 0) return { found: false }
+
+    // Récupère le titre du produit
+    const productRes = await fetch(
+      `${baseUrl}/products/${variants[0].product_id}.json?fields=id,title`,
+      { headers },
+    )
+    if (!productRes.ok) return { found: false }
+    const productData = await productRes.json()
+    return {
+      found: true,
+      shopifyId: String(variants[0].product_id),
+      title: productData.product?.title ?? sku,
+    }
+  }
+
+  // 1. SKU exact (ex: "30827")
+  let result = await searchBySku(ref)
+  if (result.found) return result
+
+  // 2. SKU sans suffixe : "30827-dessus" → "30827" (retire tout après le dernier séparateur)
+  const withoutSuffix = ref.replace(/[-_ ][^-_ ]*$/, '')
+  if (withoutSuffix !== ref) {
+    result = await searchBySku(withoutSuffix)
+    if (result.found) return result
+  }
+
+  // 3. Fallback handle Shopify
+  const handle = ref.toLowerCase().replace(/[^a-z0-9]+/g, '-').replace(/^-+|-+$/g, '')
+  const tryFetch = async (params: string) => {
+    const res = await fetch(`${baseUrl}/products.json?${params}&fields=id,title&limit=1`, { headers })
+    if (!res.ok) return []
+    const data = await res.json()
+    return (data.products ?? []) as Array<{ id: number; title: string }>
   }
 
   let products = await tryFetch(`handle=${encodeURIComponent(handle)}`)
-
-  if (products.length === 0) {
-    products = await tryFetch(`title=${encodeURIComponent(ref)}`)
-  }
-
+  if (products.length === 0) products = await tryFetch(`title=${encodeURIComponent(ref)}`)
   if (products.length === 0) return { found: false }
 
-  return {
-    found: true,
-    shopifyId: String(products[0].id),
-    title: products[0].title,
-  }
+  return { found: true, shopifyId: String(products[0].id), title: products[0].title }
 }
 
 /**