diff --git a/svc/queries/order_write.go b/svc/queries/order_write.go
index 2b3dee2..bad3da9 100644
--- a/svc/queries/order_write.go
+++ b/svc/queries/order_write.go
@@ -520,9 +520,11 @@ func loadVariantDim1SetTx(tx *sql.Tx, item, color, dim2 string) (map[string]stru
 			return nil, fmt.Errorf("variant set scan hatası: %w", err)
 		}
 		norm := normalizeDim1Token(raw)
-		if norm != "" {
-			set[norm] = struct{}{}
+		if norm == "" {
+			set["#EMPTY_DIM1"] = struct{}{}
+			continue
 		}
+		set[norm] = struct{}{}
 		if num := normalizeNumericToken(norm); num != "" {
 			set["#NUM:"+num] = struct{}{}
 		}
@@ -564,9 +566,11 @@ func loadVariantDim1SetDB(conn *sql.DB, item, color, dim2 string) (map[string]st
 			return nil, fmt.Errorf("variant set scan hatası: %w", err)
 		}
 		norm := normalizeDim1Token(raw)
-		if norm != "" {
-			set[norm] = struct{}{}
+		if norm == "" {
+			set["#EMPTY_DIM1"] = struct{}{}
+			continue
 		}
+		set[norm] = struct{}{}
 		if num := normalizeNumericToken(norm); num != "" {
 			set["#NUM:"+num] = struct{}{}
 		}
@@ -658,7 +662,8 @@ func ValidateItemVariantCached(tx *sql.Tx, ln models.OrderDetail, cache map[stri
 
 	_, okNorm := set[dim1Norm]
 	_, okNum := set["#NUM:"+dim1Numeric]
-	if !(okNorm || (dim1Numeric != "" && okNum)) {
+	_, okEmpty := set["#EMPTY_DIM1"]
+	if !(okNorm || (dim1Numeric != "" && okNum) || (dim1Norm == "" && okEmpty)) {
 		return &models.ValidationError{
 			Code:      "INVALID_ITEM_VARIANT",
 			Message:   "Tanımsız ürün kombinasyonu",
@@ -730,7 +735,8 @@ func ValidateOrderVariants(db *sql.DB, lines []models.OrderDetail) ([]models.Inv
 
 		_, okNorm := set[dim1Norm]
 		_, okNum := set["#NUM:"+dim1Numeric]
-		if !(okNorm || (dim1Numeric != "" && okNum)) {
+		_, okEmpty := set["#EMPTY_DIM1"]
+		if !(okNorm || (dim1Numeric != "" && okNum) || (dim1Norm == "" && okEmpty)) {
 			invalid = append(invalid, models.InvalidVariant{
 				Index:     i,
 				ClientKey: safeNS(ln.ClientKey),