backend/src/main/java/com/printcalculator/controller/OptionsController.java

@@ -94,6 +94,10 @@ public class OptionsController {
                                     v.getId(),
                                     v.getVariantDisplayName(),
                                     v.getColorName(),
+                                    v.getColorLabelIt(),
+                                    v.getColorLabelEn(),
+                                    v.getColorLabelDe(),
+                                    v.getColorLabelFr(),
                                     resolveHexColor(v),
                                     v.getFinishType() != null ? v.getFinishType() : "GLOSSY",
                                     v.getStockSpools() != null ? v.getStockSpools().doubleValue() : 0d,

backend/src/main/java/com/printcalculator/dto/AdminFilamentVariantDto.java

@@ -12,6 +12,10 @@ public class AdminFilamentVariantDto {
     private String materialTechnicalTypeLabel;
     private String variantDisplayName;
     private String colorName;
+    private String colorLabelIt;
+    private String colorLabelEn;
+    private String colorLabelDe;
+    private String colorLabelFr;
     private String colorHex;
     private String finishType;
     private String brand;
@@ -89,6 +93,38 @@ public class AdminFilamentVariantDto {
         this.colorName = colorName;
     }
 
+    public String getColorLabelIt() {
+        return colorLabelIt;
+    }
+
+    public void setColorLabelIt(String colorLabelIt) {
+        this.colorLabelIt = colorLabelIt;
+    }
+
+    public String getColorLabelEn() {
+        return colorLabelEn;
+    }
+
+    public void setColorLabelEn(String colorLabelEn) {
+        this.colorLabelEn = colorLabelEn;
+    }
+
+    public String getColorLabelDe() {
+        return colorLabelDe;
+    }
+
+    public void setColorLabelDe(String colorLabelDe) {
+        this.colorLabelDe = colorLabelDe;
+    }
+
+    public String getColorLabelFr() {
+        return colorLabelFr;
+    }
+
+    public void setColorLabelFr(String colorLabelFr) {
+        this.colorLabelFr = colorLabelFr;
+    }
+
     public String getColorHex() {
         return colorHex;
     }

backend/src/main/java/com/printcalculator/dto/AdminShopCategoryDto.java

@@ -10,9 +10,25 @@ public class AdminShopCategoryDto {
     private String parentCategoryName;
     private String slug;
     private String name;
+    private String nameIt;
+    private String nameEn;
+    private String nameDe;
+    private String nameFr;
     private String description;
+    private String descriptionIt;
+    private String descriptionEn;
+    private String descriptionDe;
+    private String descriptionFr;
     private String seoTitle;
+    private String seoTitleIt;
+    private String seoTitleEn;
+    private String seoTitleDe;
+    private String seoTitleFr;
     private String seoDescription;
+    private String seoDescriptionIt;
+    private String seoDescriptionEn;
+    private String seoDescriptionDe;
+    private String seoDescriptionFr;
     private String ogTitle;
     private String ogDescription;
     private Boolean indexable;
@@ -69,6 +85,38 @@ public class AdminShopCategoryDto {
         this.name = name;
     }
 
+    public String getNameIt() {
+        return nameIt;
+    }
+
+    public void setNameIt(String nameIt) {
+        this.nameIt = nameIt;
+    }
+
+    public String getNameEn() {
+        return nameEn;
+    }
+
+    public void setNameEn(String nameEn) {
+        this.nameEn = nameEn;
+    }
+
+    public String getNameDe() {
+        return nameDe;
+    }
+
+    public void setNameDe(String nameDe) {
+        this.nameDe = nameDe;
+    }
+
+    public String getNameFr() {
+        return nameFr;
+    }
+
+    public void setNameFr(String nameFr) {
+        this.nameFr = nameFr;
+    }
+
     public String getDescription() {
         return description;
     }
@@ -77,6 +125,38 @@ public class AdminShopCategoryDto {
         this.description = description;
     }
 
+    public String getDescriptionIt() {
+        return descriptionIt;
+    }
+
+    public void setDescriptionIt(String descriptionIt) {
+        this.descriptionIt = descriptionIt;
+    }
+
+    public String getDescriptionEn() {
+        return descriptionEn;
+    }
+
+    public void setDescriptionEn(String descriptionEn) {
+        this.descriptionEn = descriptionEn;
+    }
+
+    public String getDescriptionDe() {
+        return descriptionDe;
+    }
+
+    public void setDescriptionDe(String descriptionDe) {
+        this.descriptionDe = descriptionDe;
+    }
+
+    public String getDescriptionFr() {
+        return descriptionFr;
+    }
+
+    public void setDescriptionFr(String descriptionFr) {
+        this.descriptionFr = descriptionFr;
+    }
+
     public String getSeoTitle() {
         return seoTitle;
     }
@@ -85,6 +165,38 @@ public class AdminShopCategoryDto {
         this.seoTitle = seoTitle;
     }
 
+    public String getSeoTitleIt() {
+        return seoTitleIt;
+    }
+
+    public void setSeoTitleIt(String seoTitleIt) {
+        this.seoTitleIt = seoTitleIt;
+    }
+
+    public String getSeoTitleEn() {
+        return seoTitleEn;
+    }
+
+    public void setSeoTitleEn(String seoTitleEn) {
+        this.seoTitleEn = seoTitleEn;
+    }
+
+    public String getSeoTitleDe() {
+        return seoTitleDe;
+    }
+
+    public void setSeoTitleDe(String seoTitleDe) {
+        this.seoTitleDe = seoTitleDe;
+    }
+
+    public String getSeoTitleFr() {
+        return seoTitleFr;
+    }
+
+    public void setSeoTitleFr(String seoTitleFr) {
+        this.seoTitleFr = seoTitleFr;
+    }
+
     public String getSeoDescription() {
         return seoDescription;
     }
@@ -93,6 +205,38 @@ public class AdminShopCategoryDto {
         this.seoDescription = seoDescription;
     }
 
+    public String getSeoDescriptionIt() {
+        return seoDescriptionIt;
+    }
+
+    public void setSeoDescriptionIt(String seoDescriptionIt) {
+        this.seoDescriptionIt = seoDescriptionIt;
+    }
+
+    public String getSeoDescriptionEn() {
+        return seoDescriptionEn;
+    }
+
+    public void setSeoDescriptionEn(String seoDescriptionEn) {
+        this.seoDescriptionEn = seoDescriptionEn;
+    }
+
+    public String getSeoDescriptionDe() {
+        return seoDescriptionDe;
+    }
+
+    public void setSeoDescriptionDe(String seoDescriptionDe) {
+        this.seoDescriptionDe = seoDescriptionDe;
+    }
+
+    public String getSeoDescriptionFr() {
+        return seoDescriptionFr;
+    }
+
+    public void setSeoDescriptionFr(String seoDescriptionFr) {
+        this.seoDescriptionFr = seoDescriptionFr;
+    }
+
     public String getOgTitle() {
         return ogTitle;
     }

backend/src/main/java/com/printcalculator/dto/AdminShopProductVariantDto.java

@@ -9,6 +9,10 @@ public class AdminShopProductVariantDto {
     private String sku;
     private String variantLabel;
     private String colorName;
+    private String colorLabelIt;
+    private String colorLabelEn;
+    private String colorLabelDe;
+    private String colorLabelFr;
     private String colorHex;
     private String internalMaterialCode;
     private BigDecimal priceChf;
@@ -50,6 +54,38 @@ public class AdminShopProductVariantDto {
         this.colorName = colorName;
     }
 
+    public String getColorLabelIt() {
+        return colorLabelIt;
+    }
+
+    public void setColorLabelIt(String colorLabelIt) {
+        this.colorLabelIt = colorLabelIt;
+    }
+
+    public String getColorLabelEn() {
+        return colorLabelEn;
+    }
+
+    public void setColorLabelEn(String colorLabelEn) {
+        this.colorLabelEn = colorLabelEn;
+    }
+
+    public String getColorLabelDe() {
+        return colorLabelDe;
+    }
+
+    public void setColorLabelDe(String colorLabelDe) {
+        this.colorLabelDe = colorLabelDe;
+    }
+
+    public String getColorLabelFr() {
+        return colorLabelFr;
+    }
+
+    public void setColorLabelFr(String colorLabelFr) {
+        this.colorLabelFr = colorLabelFr;
+    }
+
     public String getColorHex() {
         return colorHex;
     }

backend/src/main/java/com/printcalculator/dto/AdminUpsertFilamentVariantRequest.java

@@ -6,6 +6,10 @@ public class AdminUpsertFilamentVariantRequest {
     private Long materialTypeId;
     private String variantDisplayName;
     private String colorName;
+    private String colorLabelIt;
+    private String colorLabelEn;
+    private String colorLabelDe;
+    private String colorLabelFr;
     private String colorHex;
     private String finishType;
     private String brand;
@@ -40,6 +44,38 @@ public class AdminUpsertFilamentVariantRequest {
         this.colorName = colorName;
     }
 
+    public String getColorLabelIt() {
+        return colorLabelIt;
+    }
+
+    public void setColorLabelIt(String colorLabelIt) {
+        this.colorLabelIt = colorLabelIt;
+    }
+
+    public String getColorLabelEn() {
+        return colorLabelEn;
+    }
+
+    public void setColorLabelEn(String colorLabelEn) {
+        this.colorLabelEn = colorLabelEn;
+    }
+
+    public String getColorLabelDe() {
+        return colorLabelDe;
+    }
+
+    public void setColorLabelDe(String colorLabelDe) {
+        this.colorLabelDe = colorLabelDe;
+    }
+
+    public String getColorLabelFr() {
+        return colorLabelFr;
+    }
+
+    public void setColorLabelFr(String colorLabelFr) {
+        this.colorLabelFr = colorLabelFr;
+    }
+
     public String getColorHex() {
         return colorHex;
     }

backend/src/main/java/com/printcalculator/dto/AdminUpsertShopCategoryRequest.java

@@ -6,9 +6,25 @@ public class AdminUpsertShopCategoryRequest {
     private UUID parentCategoryId;
     private String slug;
     private String name;
+    private String nameIt;
+    private String nameEn;
+    private String nameDe;
+    private String nameFr;
     private String description;
+    private String descriptionIt;
+    private String descriptionEn;
+    private String descriptionDe;
+    private String descriptionFr;
     private String seoTitle;
+    private String seoTitleIt;
+    private String seoTitleEn;
+    private String seoTitleDe;
+    private String seoTitleFr;
     private String seoDescription;
+    private String seoDescriptionIt;
+    private String seoDescriptionEn;
+    private String seoDescriptionDe;
+    private String seoDescriptionFr;
     private String ogTitle;
     private String ogDescription;
     private Boolean indexable;
@@ -39,6 +55,38 @@ public class AdminUpsertShopCategoryRequest {
         this.name = name;
     }
 
+    public String getNameIt() {
+        return nameIt;
+    }
+
+    public void setNameIt(String nameIt) {
+        this.nameIt = nameIt;
+    }
+
+    public String getNameEn() {
+        return nameEn;
+    }
+
+    public void setNameEn(String nameEn) {
+        this.nameEn = nameEn;
+    }
+
+    public String getNameDe() {
+        return nameDe;
+    }
+
+    public void setNameDe(String nameDe) {
+        this.nameDe = nameDe;
+    }
+
+    public String getNameFr() {
+        return nameFr;
+    }
+
+    public void setNameFr(String nameFr) {
+        this.nameFr = nameFr;
+    }
+
     public String getDescription() {
         return description;
     }
@@ -47,6 +95,38 @@ public class AdminUpsertShopCategoryRequest {
         this.description = description;
     }
 
+    public String getDescriptionIt() {
+        return descriptionIt;
+    }
+
+    public void setDescriptionIt(String descriptionIt) {
+        this.descriptionIt = descriptionIt;
+    }
+
+    public String getDescriptionEn() {
+        return descriptionEn;
+    }
+
+    public void setDescriptionEn(String descriptionEn) {
+        this.descriptionEn = descriptionEn;
+    }
+
+    public String getDescriptionDe() {
+        return descriptionDe;
+    }
+
+    public void setDescriptionDe(String descriptionDe) {
+        this.descriptionDe = descriptionDe;
+    }
+
+    public String getDescriptionFr() {
+        return descriptionFr;
+    }
+
+    public void setDescriptionFr(String descriptionFr) {
+        this.descriptionFr = descriptionFr;
+    }
+
     public String getSeoTitle() {
         return seoTitle;
     }
@@ -55,6 +135,38 @@ public class AdminUpsertShopCategoryRequest {
         this.seoTitle = seoTitle;
     }
 
+    public String getSeoTitleIt() {
+        return seoTitleIt;
+    }
+
+    public void setSeoTitleIt(String seoTitleIt) {
+        this.seoTitleIt = seoTitleIt;
+    }
+
+    public String getSeoTitleEn() {
+        return seoTitleEn;
+    }
+
+    public void setSeoTitleEn(String seoTitleEn) {
+        this.seoTitleEn = seoTitleEn;
+    }
+
+    public String getSeoTitleDe() {
+        return seoTitleDe;
+    }
+
+    public void setSeoTitleDe(String seoTitleDe) {
+        this.seoTitleDe = seoTitleDe;
+    }
+
+    public String getSeoTitleFr() {
+        return seoTitleFr;
+    }
+
+    public void setSeoTitleFr(String seoTitleFr) {
+        this.seoTitleFr = seoTitleFr;
+    }
+
     public String getSeoDescription() {
         return seoDescription;
     }
@@ -63,6 +175,38 @@ public class AdminUpsertShopCategoryRequest {
         this.seoDescription = seoDescription;
     }
 
+    public String getSeoDescriptionIt() {
+        return seoDescriptionIt;
+    }
+
+    public void setSeoDescriptionIt(String seoDescriptionIt) {
+        this.seoDescriptionIt = seoDescriptionIt;
+    }
+
+    public String getSeoDescriptionEn() {
+        return seoDescriptionEn;
+    }
+
+    public void setSeoDescriptionEn(String seoDescriptionEn) {
+        this.seoDescriptionEn = seoDescriptionEn;
+    }
+
+    public String getSeoDescriptionDe() {
+        return seoDescriptionDe;
+    }
+
+    public void setSeoDescriptionDe(String seoDescriptionDe) {
+        this.seoDescriptionDe = seoDescriptionDe;
+    }
+
+    public String getSeoDescriptionFr() {
+        return seoDescriptionFr;
+    }
+
+    public void setSeoDescriptionFr(String seoDescriptionFr) {
+        this.seoDescriptionFr = seoDescriptionFr;
+    }
+
     public String getOgTitle() {
         return ogTitle;
     }

backend/src/main/java/com/printcalculator/dto/AdminUpsertShopProductVariantRequest.java

@@ -8,6 +8,10 @@ public class AdminUpsertShopProductVariantRequest {
     private String sku;
     private String variantLabel;
     private String colorName;
+    private String colorLabelIt;
+    private String colorLabelEn;
+    private String colorLabelDe;
+    private String colorLabelFr;
     private String colorHex;
     private String internalMaterialCode;
     private BigDecimal priceChf;
@@ -47,6 +51,38 @@ public class AdminUpsertShopProductVariantRequest {
         this.colorName = colorName;
     }
 
+    public String getColorLabelIt() {
+        return colorLabelIt;
+    }
+
+    public void setColorLabelIt(String colorLabelIt) {
+        this.colorLabelIt = colorLabelIt;
+    }
+
+    public String getColorLabelEn() {
+        return colorLabelEn;
+    }
+
+    public void setColorLabelEn(String colorLabelEn) {
+        this.colorLabelEn = colorLabelEn;
+    }
+
+    public String getColorLabelDe() {
+        return colorLabelDe;
+    }
+
+    public void setColorLabelDe(String colorLabelDe) {
+        this.colorLabelDe = colorLabelDe;
+    }
+
+    public String getColorLabelFr() {
+        return colorLabelFr;
+    }
+
+    public void setColorLabelFr(String colorLabelFr) {
+        this.colorLabelFr = colorLabelFr;
+    }
+
     public String getColorHex() {
         return colorHex;
     }

backend/src/main/java/com/printcalculator/dto/OptionsResponse.java

@@ -15,6 +15,10 @@ public record OptionsResponse(
             Long id,
             String name,
             String colorName,
+            String colorLabelIt,
+            String colorLabelEn,
+            String colorLabelDe,
+            String colorLabelFr,
             String hexColor,
             String finishType,
             Double stockSpools,

backend/src/main/java/com/printcalculator/dto/OrderItemDto.java

@@ -17,9 +17,17 @@ public class OrderItemDto {
     private String shopProductName;
     private String shopVariantLabel;
     private String shopVariantColorName;
+    private String shopVariantColorLabelIt;
+    private String shopVariantColorLabelEn;
+    private String shopVariantColorLabelDe;
+    private String shopVariantColorLabelFr;
     private String shopVariantColorHex;
     private String filamentVariantDisplayName;
     private String filamentColorName;
+    private String filamentColorLabelIt;
+    private String filamentColorLabelEn;
+    private String filamentColorLabelDe;
+    private String filamentColorLabelFr;
     private String filamentColorHex;
     private String quality;
     private BigDecimal nozzleDiameterMm;
@@ -73,6 +81,18 @@ public class OrderItemDto {
     public String getShopVariantColorName() { return shopVariantColorName; }
     public void setShopVariantColorName(String shopVariantColorName) { this.shopVariantColorName = shopVariantColorName; }
 
+    public String getShopVariantColorLabelIt() { return shopVariantColorLabelIt; }
+    public void setShopVariantColorLabelIt(String shopVariantColorLabelIt) { this.shopVariantColorLabelIt = shopVariantColorLabelIt; }
+
+    public String getShopVariantColorLabelEn() { return shopVariantColorLabelEn; }
+    public void setShopVariantColorLabelEn(String shopVariantColorLabelEn) { this.shopVariantColorLabelEn = shopVariantColorLabelEn; }
+
+    public String getShopVariantColorLabelDe() { return shopVariantColorLabelDe; }
+    public void setShopVariantColorLabelDe(String shopVariantColorLabelDe) { this.shopVariantColorLabelDe = shopVariantColorLabelDe; }
+
+    public String getShopVariantColorLabelFr() { return shopVariantColorLabelFr; }
+    public void setShopVariantColorLabelFr(String shopVariantColorLabelFr) { this.shopVariantColorLabelFr = shopVariantColorLabelFr; }
+
     public String getShopVariantColorHex() { return shopVariantColorHex; }
     public void setShopVariantColorHex(String shopVariantColorHex) { this.shopVariantColorHex = shopVariantColorHex; }
 
@@ -82,6 +102,18 @@ public class OrderItemDto {
     public String getFilamentColorName() { return filamentColorName; }
     public void setFilamentColorName(String filamentColorName) { this.filamentColorName = filamentColorName; }
 
+    public String getFilamentColorLabelIt() { return filamentColorLabelIt; }
+    public void setFilamentColorLabelIt(String filamentColorLabelIt) { this.filamentColorLabelIt = filamentColorLabelIt; }
+
+    public String getFilamentColorLabelEn() { return filamentColorLabelEn; }
+    public void setFilamentColorLabelEn(String filamentColorLabelEn) { this.filamentColorLabelEn = filamentColorLabelEn; }
+
+    public String getFilamentColorLabelDe() { return filamentColorLabelDe; }
+    public void setFilamentColorLabelDe(String filamentColorLabelDe) { this.filamentColorLabelDe = filamentColorLabelDe; }
+
+    public String getFilamentColorLabelFr() { return filamentColorLabelFr; }
+    public void setFilamentColorLabelFr(String filamentColorLabelFr) { this.filamentColorLabelFr = filamentColorLabelFr; }
+
     public String getFilamentColorHex() { return filamentColorHex; }
     public void setFilamentColorHex(String filamentColorHex) { this.filamentColorHex = filamentColorHex; }
 

backend/src/main/java/com/printcalculator/dto/ShopProductVariantOptionDto.java

@@ -8,6 +8,7 @@ public record ShopProductVariantOptionDto(
         String sku,
         String variantLabel,
         String colorName,
+        String colorLabel,
         String colorHex,
         BigDecimal priceChf,
         Boolean isDefault

backend/src/main/java/com/printcalculator/entity/FilamentVariant.java

@@ -24,6 +24,18 @@ public class FilamentVariant {
     @Column(name = "color_name", nullable = false, length = Integer.MAX_VALUE)
     private String colorName;
 
+    @Column(name = "color_label_it", length = Integer.MAX_VALUE)
+    private String colorLabelIt;
+
+    @Column(name = "color_label_en", length = Integer.MAX_VALUE)
+    private String colorLabelEn;
+
+    @Column(name = "color_label_de", length = Integer.MAX_VALUE)
+    private String colorLabelDe;
+
+    @Column(name = "color_label_fr", length = Integer.MAX_VALUE)
+    private String colorLabelFr;
+
     @Column(name = "color_hex", length = Integer.MAX_VALUE)
     private String colorHex;
 
@@ -93,6 +105,38 @@ public class FilamentVariant {
         this.colorName = colorName;
     }
 
+    public String getColorLabelIt() {
+        return colorLabelIt;
+    }
+
+    public void setColorLabelIt(String colorLabelIt) {
+        this.colorLabelIt = colorLabelIt;
+    }
+
+    public String getColorLabelEn() {
+        return colorLabelEn;
+    }
+
+    public void setColorLabelEn(String colorLabelEn) {
+        this.colorLabelEn = colorLabelEn;
+    }
+
+    public String getColorLabelDe() {
+        return colorLabelDe;
+    }
+
+    public void setColorLabelDe(String colorLabelDe) {
+        this.colorLabelDe = colorLabelDe;
+    }
+
+    public String getColorLabelFr() {
+        return colorLabelFr;
+    }
+
+    public void setColorLabelFr(String colorLabelFr) {
+        this.colorLabelFr = colorLabelFr;
+    }
+
     public String getColorHex() {
         return colorHex;
     }
@@ -173,4 +217,60 @@ public class FilamentVariant {
         this.createdAt = createdAt;
     }
 
+    public String getColorLabelForLanguage(String language) {
+        return resolveLocalizedValue(
+                language,
+                colorName,
+                colorLabelIt,
+                colorLabelEn,
+                colorLabelDe,
+                colorLabelFr
+        );
+    }
+
+    private String resolveLocalizedValue(String language,
+                                         String fallback,
+                                         String valueIt,
+                                         String valueEn,
+                                         String valueDe,
+                                         String valueFr) {
+        String normalizedLanguage = normalizeLanguage(language);
+        String preferred = switch (normalizedLanguage) {
+            case "it" -> valueIt;
+            case "en" -> valueEn;
+            case "de" -> valueDe;
+            case "fr" -> valueFr;
+            default -> null;
+        };
+        String resolved = firstNonBlank(preferred, fallback);
+        if (resolved != null) {
+            return resolved;
+        }
+        return firstNonBlank(valueIt, valueEn, valueDe, valueFr);
+    }
+
+    private String normalizeLanguage(String language) {
+        if (language == null) {
+            return "";
+        }
+        String normalized = language.trim().toLowerCase();
+        int separatorIndex = normalized.indexOf('-');
+        if (separatorIndex > 0) {
+            normalized = normalized.substring(0, separatorIndex);
+        }
+        return normalized;
+    }
+
+    private String firstNonBlank(String... values) {
+        if (values == null) {
+            return null;
+        }
+        for (String value : values) {
+            if (value != null && !value.isBlank()) {
+                return value;
+            }
+        }
+        return null;
+    }
+
 }

backend/src/main/java/com/printcalculator/entity/ShopCategory.java

@@ -15,6 +15,7 @@ import jakarta.persistence.Table;
 import org.hibernate.annotations.ColumnDefault;
 
 import java.time.OffsetDateTime;
+import java.util.List;
 import java.util.UUID;
 
 @Entity
@@ -23,6 +24,8 @@ import java.util.UUID;
         @Index(name = "ix_shop_category_active_sort", columnList = "is_active, sort_order")
 })
 public class ShopCategory {
+    public static final List<String> SUPPORTED_LANGUAGES = List.of("it", "en", "de", "fr");
+
     @Id
     @GeneratedValue(strategy = GenerationType.AUTO)
     @Column(name = "shop_category_id", nullable = false)
@@ -38,15 +41,63 @@ public class ShopCategory {
     @Column(name = "name", nullable = false, length = Integer.MAX_VALUE)
     private String name;
 
+    @Column(name = "name_it", length = Integer.MAX_VALUE)
+    private String nameIt;
+
+    @Column(name = "name_en", length = Integer.MAX_VALUE)
+    private String nameEn;
+
+    @Column(name = "name_de", length = Integer.MAX_VALUE)
+    private String nameDe;
+
+    @Column(name = "name_fr", length = Integer.MAX_VALUE)
+    private String nameFr;
+
     @Column(name = "description", length = Integer.MAX_VALUE)
     private String description;
 
+    @Column(name = "description_it", length = Integer.MAX_VALUE)
+    private String descriptionIt;
+
+    @Column(name = "description_en", length = Integer.MAX_VALUE)
+    private String descriptionEn;
+
+    @Column(name = "description_de", length = Integer.MAX_VALUE)
+    private String descriptionDe;
+
+    @Column(name = "description_fr", length = Integer.MAX_VALUE)
+    private String descriptionFr;
+
     @Column(name = "seo_title", length = Integer.MAX_VALUE)
     private String seoTitle;
 
+    @Column(name = "seo_title_it", length = Integer.MAX_VALUE)
+    private String seoTitleIt;
+
+    @Column(name = "seo_title_en", length = Integer.MAX_VALUE)
+    private String seoTitleEn;
+
+    @Column(name = "seo_title_de", length = Integer.MAX_VALUE)
+    private String seoTitleDe;
+
+    @Column(name = "seo_title_fr", length = Integer.MAX_VALUE)
+    private String seoTitleFr;
+
     @Column(name = "seo_description", length = Integer.MAX_VALUE)
     private String seoDescription;
 
+    @Column(name = "seo_description_it", length = Integer.MAX_VALUE)
+    private String seoDescriptionIt;
+
+    @Column(name = "seo_description_en", length = Integer.MAX_VALUE)
+    private String seoDescriptionEn;
+
+    @Column(name = "seo_description_de", length = Integer.MAX_VALUE)
+    private String seoDescriptionDe;
+
+    @Column(name = "seo_description_fr", length = Integer.MAX_VALUE)
+    private String seoDescriptionFr;
+
     @Column(name = "og_title", length = Integer.MAX_VALUE)
     private String ogTitle;
 
@@ -139,6 +190,38 @@ public class ShopCategory {
         this.name = name;
     }
 
+    public String getNameIt() {
+        return nameIt;
+    }
+
+    public void setNameIt(String nameIt) {
+        this.nameIt = nameIt;
+    }
+
+    public String getNameEn() {
+        return nameEn;
+    }
+
+    public void setNameEn(String nameEn) {
+        this.nameEn = nameEn;
+    }
+
+    public String getNameDe() {
+        return nameDe;
+    }
+
+    public void setNameDe(String nameDe) {
+        this.nameDe = nameDe;
+    }
+
+    public String getNameFr() {
+        return nameFr;
+    }
+
+    public void setNameFr(String nameFr) {
+        this.nameFr = nameFr;
+    }
+
     public String getDescription() {
         return description;
     }
@@ -147,6 +230,38 @@ public class ShopCategory {
         this.description = description;
     }
 
+    public String getDescriptionIt() {
+        return descriptionIt;
+    }
+
+    public void setDescriptionIt(String descriptionIt) {
+        this.descriptionIt = descriptionIt;
+    }
+
+    public String getDescriptionEn() {
+        return descriptionEn;
+    }
+
+    public void setDescriptionEn(String descriptionEn) {
+        this.descriptionEn = descriptionEn;
+    }
+
+    public String getDescriptionDe() {
+        return descriptionDe;
+    }
+
+    public void setDescriptionDe(String descriptionDe) {
+        this.descriptionDe = descriptionDe;
+    }
+
+    public String getDescriptionFr() {
+        return descriptionFr;
+    }
+
+    public void setDescriptionFr(String descriptionFr) {
+        this.descriptionFr = descriptionFr;
+    }
+
     public String getSeoTitle() {
         return seoTitle;
     }
@@ -155,6 +270,38 @@ public class ShopCategory {
         this.seoTitle = seoTitle;
     }
 
+    public String getSeoTitleIt() {
+        return seoTitleIt;
+    }
+
+    public void setSeoTitleIt(String seoTitleIt) {
+        this.seoTitleIt = seoTitleIt;
+    }
+
+    public String getSeoTitleEn() {
+        return seoTitleEn;
+    }
+
+    public void setSeoTitleEn(String seoTitleEn) {
+        this.seoTitleEn = seoTitleEn;
+    }
+
+    public String getSeoTitleDe() {
+        return seoTitleDe;
+    }
+
+    public void setSeoTitleDe(String seoTitleDe) {
+        this.seoTitleDe = seoTitleDe;
+    }
+
+    public String getSeoTitleFr() {
+        return seoTitleFr;
+    }
+
+    public void setSeoTitleFr(String seoTitleFr) {
+        this.seoTitleFr = seoTitleFr;
+    }
+
     public String getSeoDescription() {
         return seoDescription;
     }
@@ -163,6 +310,38 @@ public class ShopCategory {
         this.seoDescription = seoDescription;
     }
 
+    public String getSeoDescriptionIt() {
+        return seoDescriptionIt;
+    }
+
+    public void setSeoDescriptionIt(String seoDescriptionIt) {
+        this.seoDescriptionIt = seoDescriptionIt;
+    }
+
+    public String getSeoDescriptionEn() {
+        return seoDescriptionEn;
+    }
+
+    public void setSeoDescriptionEn(String seoDescriptionEn) {
+        this.seoDescriptionEn = seoDescriptionEn;
+    }
+
+    public String getSeoDescriptionDe() {
+        return seoDescriptionDe;
+    }
+
+    public void setSeoDescriptionDe(String seoDescriptionDe) {
+        this.seoDescriptionDe = seoDescriptionDe;
+    }
+
+    public String getSeoDescriptionFr() {
+        return seoDescriptionFr;
+    }
+
+    public void setSeoDescriptionFr(String seoDescriptionFr) {
+        this.seoDescriptionFr = seoDescriptionFr;
+    }
+
     public String getOgTitle() {
         return ogTitle;
     }
@@ -218,4 +397,109 @@ public class ShopCategory {
     public void setUpdatedAt(OffsetDateTime updatedAt) {
         this.updatedAt = updatedAt;
     }
+
+    public String getNameForLanguage(String language) {
+        return resolveLocalizedValue(language, name, nameIt, nameEn, nameDe, nameFr);
+    }
+
+    public void setNameForLanguage(String language, String value) {
+        switch (normalizeLanguage(language)) {
+            case "it" -> nameIt = value;
+            case "en" -> nameEn = value;
+            case "de" -> nameDe = value;
+            case "fr" -> nameFr = value;
+            default -> {
+            }
+        }
+    }
+
+    public String getDescriptionForLanguage(String language) {
+        return resolveLocalizedValue(language, description, descriptionIt, descriptionEn, descriptionDe, descriptionFr);
+    }
+
+    public void setDescriptionForLanguage(String language, String value) {
+        switch (normalizeLanguage(language)) {
+            case "it" -> descriptionIt = value;
+            case "en" -> descriptionEn = value;
+            case "de" -> descriptionDe = value;
+            case "fr" -> descriptionFr = value;
+            default -> {
+            }
+        }
+    }
+
+    public String getSeoTitleForLanguage(String language) {
+        return resolveLocalizedValue(language, seoTitle, seoTitleIt, seoTitleEn, seoTitleDe, seoTitleFr);
+    }
+
+    public void setSeoTitleForLanguage(String language, String value) {
+        switch (normalizeLanguage(language)) {
+            case "it" -> seoTitleIt = value;
+            case "en" -> seoTitleEn = value;
+            case "de" -> seoTitleDe = value;
+            case "fr" -> seoTitleFr = value;
+            default -> {
+            }
+        }
+    }
+
+    public String getSeoDescriptionForLanguage(String language) {
+        return resolveLocalizedValue(language, seoDescription, seoDescriptionIt, seoDescriptionEn, seoDescriptionDe, seoDescriptionFr);
+    }
+
+    public void setSeoDescriptionForLanguage(String language, String value) {
+        switch (normalizeLanguage(language)) {
+            case "it" -> seoDescriptionIt = value;
+            case "en" -> seoDescriptionEn = value;
+            case "de" -> seoDescriptionDe = value;
+            case "fr" -> seoDescriptionFr = value;
+            default -> {
+            }
+        }
+    }
+
+    private String resolveLocalizedValue(String language,
+                                         String fallback,
+                                         String valueIt,
+                                         String valueEn,
+                                         String valueDe,
+                                         String valueFr) {
+        String normalizedLanguage = normalizeLanguage(language);
+        String preferred = switch (normalizedLanguage) {
+            case "it" -> valueIt;
+            case "en" -> valueEn;
+            case "de" -> valueDe;
+            case "fr" -> valueFr;
+            default -> null;
+        };
+        String resolved = firstNonBlank(preferred, fallback);
+        if (resolved != null) {
+            return resolved;
+        }
+        return firstNonBlank(valueIt, valueEn, valueDe, valueFr);
+    }
+
+    private String normalizeLanguage(String language) {
+        if (language == null) {
+            return "";
+        }
+        String normalized = language.trim().toLowerCase();
+        int separatorIndex = normalized.indexOf('-');
+        if (separatorIndex > 0) {
+            normalized = normalized.substring(0, separatorIndex);
+        }
+        return normalized;
+    }
+
+    private String firstNonBlank(String... values) {
+        if (values == null) {
+            return null;
+        }
+        for (String value : values) {
+            if (value != null && !value.isBlank()) {
+                return value;
+            }
+        }
+        return null;
+    }
 }

backend/src/main/java/com/printcalculator/entity/ShopProductVariant.java

@@ -42,6 +42,18 @@ public class ShopProductVariant {
     @Column(name = "color_name", nullable = false, length = Integer.MAX_VALUE)
     private String colorName;
 
+    @Column(name = "color_label_it", length = Integer.MAX_VALUE)
+    private String colorLabelIt;
+
+    @Column(name = "color_label_en", length = Integer.MAX_VALUE)
+    private String colorLabelEn;
+
+    @Column(name = "color_label_de", length = Integer.MAX_VALUE)
+    private String colorLabelDe;
+
+    @Column(name = "color_label_fr", length = Integer.MAX_VALUE)
+    private String colorLabelFr;
+
     @Column(name = "color_hex", length = Integer.MAX_VALUE)
     private String colorHex;
 
@@ -152,6 +164,38 @@ public class ShopProductVariant {
         this.colorName = colorName;
     }
 
+    public String getColorLabelIt() {
+        return colorLabelIt;
+    }
+
+    public void setColorLabelIt(String colorLabelIt) {
+        this.colorLabelIt = colorLabelIt;
+    }
+
+    public String getColorLabelEn() {
+        return colorLabelEn;
+    }
+
+    public void setColorLabelEn(String colorLabelEn) {
+        this.colorLabelEn = colorLabelEn;
+    }
+
+    public String getColorLabelDe() {
+        return colorLabelDe;
+    }
+
+    public void setColorLabelDe(String colorLabelDe) {
+        this.colorLabelDe = colorLabelDe;
+    }
+
+    public String getColorLabelFr() {
+        return colorLabelFr;
+    }
+
+    public void setColorLabelFr(String colorLabelFr) {
+        this.colorLabelFr = colorLabelFr;
+    }
+
     public String getColorHex() {
         return colorHex;
     }
@@ -215,4 +259,60 @@ public class ShopProductVariant {
     public void setUpdatedAt(OffsetDateTime updatedAt) {
         this.updatedAt = updatedAt;
     }
+
+    public String getColorLabelForLanguage(String language) {
+        return resolveLocalizedValue(
+                language,
+                colorName,
+                colorLabelIt,
+                colorLabelEn,
+                colorLabelDe,
+                colorLabelFr
+        );
+    }
+
+    private String resolveLocalizedValue(String language,
+                                         String fallback,
+                                         String valueIt,
+                                         String valueEn,
+                                         String valueDe,
+                                         String valueFr) {
+        String normalizedLanguage = normalizeLanguage(language);
+        String preferred = switch (normalizedLanguage) {
+            case "it" -> valueIt;
+            case "en" -> valueEn;
+            case "de" -> valueDe;
+            case "fr" -> valueFr;
+            default -> null;
+        };
+        String resolved = firstNonBlank(preferred, fallback);
+        if (resolved != null) {
+            return resolved;
+        }
+        return firstNonBlank(valueIt, valueEn, valueDe, valueFr);
+    }
+
+    private String normalizeLanguage(String language) {
+        if (language == null) {
+            return "";
+        }
+        String normalized = language.trim().toLowerCase();
+        int separatorIndex = normalized.indexOf('-');
+        if (separatorIndex > 0) {
+            normalized = normalized.substring(0, separatorIndex);
+        }
+        return normalized;
+    }
+
+    private String firstNonBlank(String... values) {
+        if (values == null) {
+            return null;
+        }
+        for (String value : values) {
+            if (value != null && !value.isBlank()) {
+                return value;
+            }
+        }
+        return null;
+    }
 }

backend/src/main/java/com/printcalculator/service/admin/AdminFilamentControllerService.java

@@ -161,10 +161,21 @@ public class AdminFilamentControllerService {
         String normalizedColorHex = normalizeAndValidateColorHex(payload.getColorHex());
         String normalizedFinishType = normalizeAndValidateFinishType(payload.getFinishType(), payload.getIsMatte());
         String normalizedBrand = normalizeOptional(payload.getBrand());
+        String fallbackColorLabel = firstNonBlank(
+                normalizeOptional(payload.getColorLabelIt()),
+                normalizeOptional(payload.getColorLabelEn()),
+                normalizeOptional(payload.getColorLabelDe()),
+                normalizeOptional(payload.getColorLabelFr()),
+                normalizedColorName
+        );
 
         variant.setFilamentMaterialType(material);
         variant.setVariantDisplayName(normalizedDisplayName);
         variant.setColorName(normalizedColorName);
+        variant.setColorLabelIt(firstNonBlank(normalizeOptional(payload.getColorLabelIt()), fallbackColorLabel));
+        variant.setColorLabelEn(firstNonBlank(normalizeOptional(payload.getColorLabelEn()), fallbackColorLabel));
+        variant.setColorLabelDe(firstNonBlank(normalizeOptional(payload.getColorLabelDe()), fallbackColorLabel));
+        variant.setColorLabelFr(firstNonBlank(normalizeOptional(payload.getColorLabelFr()), fallbackColorLabel));
         variant.setColorHex(normalizedColorHex);
         variant.setFinishType(normalizedFinishType);
         variant.setBrand(normalizedBrand);
@@ -226,6 +237,18 @@ public class AdminFilamentControllerService {
         return normalized.isBlank() ? null : normalized;
     }
 
+    private String firstNonBlank(String... values) {
+        if (values == null) {
+            return null;
+        }
+        for (String value : values) {
+            if (value != null && !value.isBlank()) {
+                return value;
+            }
+        }
+        return null;
+    }
+
     private FilamentMaterialType validateAndResolveMaterial(AdminUpsertFilamentVariantRequest payload) {
         if (payload == null || payload.getMaterialTypeId() == null) {
             throw new ResponseStatusException(BAD_REQUEST, "Material type id is required");
@@ -306,6 +329,10 @@ public class AdminFilamentControllerService {
 
         dto.setVariantDisplayName(variant.getVariantDisplayName());
         dto.setColorName(variant.getColorName());
+        dto.setColorLabelIt(variant.getColorLabelIt());
+        dto.setColorLabelEn(variant.getColorLabelEn());
+        dto.setColorLabelDe(variant.getColorLabelDe());
+        dto.setColorLabelFr(variant.getColorLabelFr());
         dto.setColorHex(variant.getColorHex());
         dto.setFinishType(variant.getFinishType());
         dto.setBrand(variant.getBrand());

backend/src/main/java/com/printcalculator/service/admin/AdminShopCategoryControllerService.java

@@ -67,13 +67,13 @@ public class AdminShopCategoryControllerService {
     @Transactional
     public AdminShopCategoryDto createCategory(AdminUpsertShopCategoryRequest payload) {
         ensurePayload(payload);
-        String normalizedName = normalizeRequiredName(payload.getName());
+        LocalizedCategoryContent localizedContent = normalizeLocalizedCategoryContent(payload);
-        String normalizedSlug = normalizeAndValidateSlug(payload.getSlug(), normalizedName);
+        String normalizedSlug = normalizeAndValidateSlug(payload.getSlug(), localizedContent.defaultName());
         ensureSlugAvailable(normalizedSlug, null);
 
         ShopCategory category = new ShopCategory();
         category.setCreatedAt(OffsetDateTime.now());
-        applyPayload(category, payload, normalizedName, normalizedSlug, null);
+        applyPayload(category, payload, localizedContent, normalizedSlug, null);
 
         ShopCategory saved = shopCategoryRepository.save(category);
         return getCategory(saved.getId());
@@ -86,11 +86,11 @@ public class AdminShopCategoryControllerService {
         ShopCategory category = shopCategoryRepository.findById(categoryId)
                 .orElseThrow(() -> new ResponseStatusException(NOT_FOUND, "Shop category not found"));
 
-        String normalizedName = normalizeRequiredName(payload.getName());
+        LocalizedCategoryContent localizedContent = normalizeLocalizedCategoryContent(payload);
-        String normalizedSlug = normalizeAndValidateSlug(payload.getSlug(), normalizedName);
+        String normalizedSlug = normalizeAndValidateSlug(payload.getSlug(), localizedContent.defaultName());
         ensureSlugAvailable(normalizedSlug, category.getId());
 
-        applyPayload(category, payload, normalizedName, normalizedSlug, category.getId());
+        applyPayload(category, payload, localizedContent, normalizedSlug, category.getId());
         ShopCategory saved = shopCategoryRepository.save(category);
         return getCategory(saved.getId());
     }
@@ -112,17 +112,33 @@ public class AdminShopCategoryControllerService {
 
     private void applyPayload(ShopCategory category,
                               AdminUpsertShopCategoryRequest payload,
-                              String normalizedName,
+                              LocalizedCategoryContent localizedContent,
                               String normalizedSlug,
                               UUID currentCategoryId) {
         ShopCategory parentCategory = resolveParentCategory(payload.getParentCategoryId(), currentCategoryId);
 
         category.setParentCategory(parentCategory);
         category.setSlug(normalizedSlug);
-        category.setName(normalizedName);
+        category.setName(localizedContent.defaultName());
-        category.setDescription(normalizeOptional(payload.getDescription()));
+        category.setNameIt(localizedContent.names().get("it"));
-        category.setSeoTitle(normalizeOptional(payload.getSeoTitle()));
+        category.setNameEn(localizedContent.names().get("en"));
-        category.setSeoDescription(normalizeOptional(payload.getSeoDescription()));
+        category.setNameDe(localizedContent.names().get("de"));
+        category.setNameFr(localizedContent.names().get("fr"));
+        category.setDescription(localizedContent.defaultDescription());
+        category.setDescriptionIt(localizedContent.descriptions().get("it"));
+        category.setDescriptionEn(localizedContent.descriptions().get("en"));
+        category.setDescriptionDe(localizedContent.descriptions().get("de"));
+        category.setDescriptionFr(localizedContent.descriptions().get("fr"));
+        category.setSeoTitle(localizedContent.defaultSeoTitle());
+        category.setSeoTitleIt(localizedContent.seoTitles().get("it"));
+        category.setSeoTitleEn(localizedContent.seoTitles().get("en"));
+        category.setSeoTitleDe(localizedContent.seoTitles().get("de"));
+        category.setSeoTitleFr(localizedContent.seoTitles().get("fr"));
+        category.setSeoDescription(localizedContent.defaultSeoDescription());
+        category.setSeoDescriptionIt(localizedContent.seoDescriptions().get("it"));
+        category.setSeoDescriptionEn(localizedContent.seoDescriptions().get("en"));
+        category.setSeoDescriptionDe(localizedContent.seoDescriptions().get("de"));
+        category.setSeoDescriptionFr(localizedContent.seoDescriptions().get("fr"));
         category.setOgTitle(normalizeOptional(payload.getOgTitle()));
         category.setOgDescription(normalizeOptional(payload.getOgDescription()));
         category.setIndexable(payload.getIndexable() == null || payload.getIndexable());
@@ -161,14 +177,6 @@ public class AdminShopCategoryControllerService {
         }
     }
 
-    private String normalizeRequiredName(String name) {
-        String normalized = normalizeOptional(name);
-        if (normalized == null) {
-            throw new ResponseStatusException(BAD_REQUEST, "Category name is required");
-        }
-        return normalized;
-    }
-
     private String normalizeAndValidateSlug(String slug, String fallbackName) {
         String source = normalizeOptional(slug);
         if (source == null) {
@@ -203,6 +211,103 @@ public class AdminShopCategoryControllerService {
         return normalized.isBlank() ? null : normalized;
     }
 
+    private String normalizeRequired(String value, String message) {
+        String normalized = normalizeOptional(value);
+        if (normalized == null) {
+            throw new ResponseStatusException(BAD_REQUEST, message);
+        }
+        return normalized;
+    }
+
+    private LocalizedCategoryContent normalizeLocalizedCategoryContent(AdminUpsertShopCategoryRequest payload) {
+        String legacyName = normalizeOptional(payload.getName());
+        String fallbackName = firstNonBlank(
+                legacyName,
+                normalizeOptional(payload.getNameIt()),
+                normalizeOptional(payload.getNameEn()),
+                normalizeOptional(payload.getNameDe()),
+                normalizeOptional(payload.getNameFr())
+        );
+        if (fallbackName == null) {
+            throw new ResponseStatusException(BAD_REQUEST, "Category name is required");
+        }
+
+        Map<String, String> names = new LinkedHashMap<>();
+        names.put("it", normalizeRequired(firstNonBlank(normalizeOptional(payload.getNameIt()), fallbackName), "Italian category name is required"));
+        names.put("en", normalizeRequired(firstNonBlank(normalizeOptional(payload.getNameEn()), fallbackName), "English category name is required"));
+        names.put("de", normalizeRequired(firstNonBlank(normalizeOptional(payload.getNameDe()), fallbackName), "German category name is required"));
+        names.put("fr", normalizeRequired(firstNonBlank(normalizeOptional(payload.getNameFr()), fallbackName), "French category name is required"));
+
+        String fallbackDescription = firstNonBlank(
+                normalizeOptional(payload.getDescription()),
+                normalizeOptional(payload.getDescriptionIt()),
+                normalizeOptional(payload.getDescriptionEn()),
+                normalizeOptional(payload.getDescriptionDe()),
+                normalizeOptional(payload.getDescriptionFr())
+        );
+        Map<String, String> descriptions = new LinkedHashMap<>();
+        descriptions.put("it", firstNonBlank(normalizeOptional(payload.getDescriptionIt()), fallbackDescription));
+        descriptions.put("en", firstNonBlank(normalizeOptional(payload.getDescriptionEn()), fallbackDescription));
+        descriptions.put("de", firstNonBlank(normalizeOptional(payload.getDescriptionDe()), fallbackDescription));
+        descriptions.put("fr", firstNonBlank(normalizeOptional(payload.getDescriptionFr()), fallbackDescription));
+
+        String fallbackSeoTitle = firstNonBlank(
+                normalizeOptional(payload.getSeoTitle()),
+                normalizeOptional(payload.getSeoTitleIt()),
+                normalizeOptional(payload.getSeoTitleEn()),
+                normalizeOptional(payload.getSeoTitleDe()),
+                normalizeOptional(payload.getSeoTitleFr())
+        );
+        Map<String, String> seoTitles = new LinkedHashMap<>();
+        seoTitles.put("it", firstNonBlank(normalizeOptional(payload.getSeoTitleIt()), fallbackSeoTitle));
+        seoTitles.put("en", firstNonBlank(normalizeOptional(payload.getSeoTitleEn()), fallbackSeoTitle));
+        seoTitles.put("de", firstNonBlank(normalizeOptional(payload.getSeoTitleDe()), fallbackSeoTitle));
+        seoTitles.put("fr", firstNonBlank(normalizeOptional(payload.getSeoTitleFr()), fallbackSeoTitle));
+
+        String fallbackSeoDescription = firstNonBlank(
+                normalizeOptional(payload.getSeoDescription()),
+                normalizeOptional(payload.getSeoDescriptionIt()),
+                normalizeOptional(payload.getSeoDescriptionEn()),
+                normalizeOptional(payload.getSeoDescriptionDe()),
+                normalizeOptional(payload.getSeoDescriptionFr())
+        );
+        Map<String, String> seoDescriptions = new LinkedHashMap<>();
+        seoDescriptions.put("it", validateSeoDescriptionLength(firstNonBlank(normalizeOptional(payload.getSeoDescriptionIt()), fallbackSeoDescription), "Italian"));
+        seoDescriptions.put("en", validateSeoDescriptionLength(firstNonBlank(normalizeOptional(payload.getSeoDescriptionEn()), fallbackSeoDescription), "English"));
+        seoDescriptions.put("de", validateSeoDescriptionLength(firstNonBlank(normalizeOptional(payload.getSeoDescriptionDe()), fallbackSeoDescription), "German"));
+        seoDescriptions.put("fr", validateSeoDescriptionLength(firstNonBlank(normalizeOptional(payload.getSeoDescriptionFr()), fallbackSeoDescription), "French"));
+
+        return new LocalizedCategoryContent(
+                names.get("it"),
+                firstNonBlank(descriptions.get("it"), fallbackDescription),
+                firstNonBlank(seoTitles.get("it"), fallbackSeoTitle),
+                firstNonBlank(seoDescriptions.get("it"), fallbackSeoDescription),
+                names,
+                descriptions,
+                seoTitles,
+                seoDescriptions
+        );
+    }
+
+    private String validateSeoDescriptionLength(String value, String languageLabel) {
+        if (value != null && value.length() > 160) {
+            throw new ResponseStatusException(BAD_REQUEST, languageLabel + " SEO description must be at most 160 characters");
+        }
+        return value;
+    }
+
+    private String firstNonBlank(String... values) {
+        if (values == null) {
+            return null;
+        }
+        for (String value : values) {
+            if (value != null && !value.isBlank()) {
+                return value;
+            }
+        }
+        return null;
+    }
+
     private CategoryContext buildContext() {
         List<ShopCategory> categories = shopCategoryRepository.findAllByOrderBySortOrderAscNameAsc();
         List<ShopProduct> products = shopProductRepository.findAll();
@@ -278,9 +383,25 @@ public class AdminShopCategoryControllerService {
         dto.setParentCategoryName(category.getParentCategory() != null ? category.getParentCategory().getName() : null);
         dto.setSlug(category.getSlug());
         dto.setName(category.getName());
+        dto.setNameIt(category.getNameIt());
+        dto.setNameEn(category.getNameEn());
+        dto.setNameDe(category.getNameDe());
+        dto.setNameFr(category.getNameFr());
         dto.setDescription(category.getDescription());
+        dto.setDescriptionIt(category.getDescriptionIt());
+        dto.setDescriptionEn(category.getDescriptionEn());
+        dto.setDescriptionDe(category.getDescriptionDe());
+        dto.setDescriptionFr(category.getDescriptionFr());
         dto.setSeoTitle(category.getSeoTitle());
+        dto.setSeoTitleIt(category.getSeoTitleIt());
+        dto.setSeoTitleEn(category.getSeoTitleEn());
+        dto.setSeoTitleDe(category.getSeoTitleDe());
+        dto.setSeoTitleFr(category.getSeoTitleFr());
         dto.setSeoDescription(category.getSeoDescription());
+        dto.setSeoDescriptionIt(category.getSeoDescriptionIt());
+        dto.setSeoDescriptionEn(category.getSeoDescriptionEn());
+        dto.setSeoDescriptionDe(category.getSeoDescriptionDe());
+        dto.setSeoDescriptionFr(category.getSeoDescriptionFr());
         dto.setOgTitle(category.getOgTitle());
         dto.setOgDescription(category.getOgDescription());
         dto.setIndexable(category.getIndexable());
@@ -331,4 +452,16 @@ public class AdminShopCategoryControllerService {
             Map<UUID, Integer> descendantProductCounts
     ) {
     }
+
+    private record LocalizedCategoryContent(
+            String defaultName,
+            String defaultDescription,
+            String defaultSeoTitle,
+            String defaultSeoDescription,
+            Map<String, String> names,
+            Map<String, String> descriptions,
+            Map<String, String> seoTitles,
+            Map<String, String> seoDescriptions
+    ) {
+    }
 }

backend/src/main/java/com/printcalculator/service/admin/AdminShopProductControllerService.java

@@ -353,6 +353,13 @@ public class AdminShopProductControllerService {
         String normalizedColorName = normalizeRequired(payload.getColorName(), "Variant colorName is required");
         String normalizedVariantLabel = normalizeOptional(payload.getVariantLabel());
         String normalizedSku = normalizeOptional(payload.getSku());
+        String fallbackColorLabel = firstNonBlank(
+                normalizeOptional(payload.getColorLabelIt()),
+                normalizeOptional(payload.getColorLabelEn()),
+                normalizeOptional(payload.getColorLabelDe()),
+                normalizeOptional(payload.getColorLabelFr()),
+                normalizedColorName
+        );
         String normalizedMaterialCode = normalizeRequired(
                 payload.getInternalMaterialCode(),
                 "Variant internalMaterialCode is required"
@@ -380,6 +387,10 @@ public class AdminShopProductControllerService {
         variant.setSku(normalizedSku);
         variant.setVariantLabel(normalizedVariantLabel != null ? normalizedVariantLabel : normalizedColorName);
         variant.setColorName(normalizedColorName);
+        variant.setColorLabelIt(firstNonBlank(normalizeOptional(payload.getColorLabelIt()), fallbackColorLabel));
+        variant.setColorLabelEn(firstNonBlank(normalizeOptional(payload.getColorLabelEn()), fallbackColorLabel));
+        variant.setColorLabelDe(firstNonBlank(normalizeOptional(payload.getColorLabelDe()), fallbackColorLabel));
+        variant.setColorLabelFr(firstNonBlank(normalizeOptional(payload.getColorLabelFr()), fallbackColorLabel));
         variant.setColorHex(normalizeColorHex(payload.getColorHex()));
         variant.setInternalMaterialCode(normalizedMaterialCode);
         variant.setPriceChf(price);
@@ -531,6 +542,10 @@ public class AdminShopProductControllerService {
         dto.setSku(variant.getSku());
         dto.setVariantLabel(variant.getVariantLabel());
         dto.setColorName(variant.getColorName());
+        dto.setColorLabelIt(variant.getColorLabelIt());
+        dto.setColorLabelEn(variant.getColorLabelEn());
+        dto.setColorLabelDe(variant.getColorLabelDe());
+        dto.setColorLabelFr(variant.getColorLabelFr());
         dto.setColorHex(variant.getColorHex());
         dto.setInternalMaterialCode(variant.getInternalMaterialCode());
         dto.setPriceChf(variant.getPriceChf());

backend/src/main/java/com/printcalculator/service/order/AdminOrderControllerService.java

@@ -280,11 +280,19 @@ public class AdminOrderControllerService {
             itemDto.setShopProductName(item.getShopProductName());
             itemDto.setShopVariantLabel(item.getShopVariantLabel());
             itemDto.setShopVariantColorName(item.getShopVariantColorName());
+            itemDto.setShopVariantColorLabelIt(item.getShopProductVariant() != null ? item.getShopProductVariant().getColorLabelIt() : null);
+            itemDto.setShopVariantColorLabelEn(item.getShopProductVariant() != null ? item.getShopProductVariant().getColorLabelEn() : null);
+            itemDto.setShopVariantColorLabelDe(item.getShopProductVariant() != null ? item.getShopProductVariant().getColorLabelDe() : null);
+            itemDto.setShopVariantColorLabelFr(item.getShopProductVariant() != null ? item.getShopProductVariant().getColorLabelFr() : null);
             itemDto.setShopVariantColorHex(item.getShopVariantColorHex());
             if (item.getFilamentVariant() != null) {
                 itemDto.setFilamentVariantId(item.getFilamentVariant().getId());
                 itemDto.setFilamentVariantDisplayName(item.getFilamentVariant().getVariantDisplayName());
                 itemDto.setFilamentColorName(item.getFilamentVariant().getColorName());
+                itemDto.setFilamentColorLabelIt(item.getFilamentVariant().getColorLabelIt());
+                itemDto.setFilamentColorLabelEn(item.getFilamentVariant().getColorLabelEn());
+                itemDto.setFilamentColorLabelDe(item.getFilamentVariant().getColorLabelDe());
+                itemDto.setFilamentColorLabelFr(item.getFilamentVariant().getColorLabelFr());
                 itemDto.setFilamentColorHex(item.getFilamentVariant().getColorHex());
             }
             itemDto.setQuality(item.getQuality());

backend/src/main/java/com/printcalculator/service/order/OrderControllerService.java

@@ -334,11 +334,19 @@ public class OrderControllerService {
             itemDto.setShopProductName(item.getShopProductName());
             itemDto.setShopVariantLabel(item.getShopVariantLabel());
             itemDto.setShopVariantColorName(item.getShopVariantColorName());
+            itemDto.setShopVariantColorLabelIt(item.getShopProductVariant() != null ? item.getShopProductVariant().getColorLabelIt() : null);
+            itemDto.setShopVariantColorLabelEn(item.getShopProductVariant() != null ? item.getShopProductVariant().getColorLabelEn() : null);
+            itemDto.setShopVariantColorLabelDe(item.getShopProductVariant() != null ? item.getShopProductVariant().getColorLabelDe() : null);
+            itemDto.setShopVariantColorLabelFr(item.getShopProductVariant() != null ? item.getShopProductVariant().getColorLabelFr() : null);
             itemDto.setShopVariantColorHex(item.getShopVariantColorHex());
             if (item.getFilamentVariant() != null) {
                 itemDto.setFilamentVariantId(item.getFilamentVariant().getId());
                 itemDto.setFilamentVariantDisplayName(item.getFilamentVariant().getVariantDisplayName());
                 itemDto.setFilamentColorName(item.getFilamentVariant().getColorName());
+                itemDto.setFilamentColorLabelIt(item.getFilamentVariant().getColorLabelIt());
+                itemDto.setFilamentColorLabelEn(item.getFilamentVariant().getColorLabelEn());
+                itemDto.setFilamentColorLabelDe(item.getFilamentVariant().getColorLabelDe());
+                itemDto.setFilamentColorLabelFr(item.getFilamentVariant().getColorLabelFr());
                 itemDto.setFilamentColorHex(item.getFilamentVariant().getColorHex());
             }
             itemDto.setQuality(item.getQuality());

backend/src/main/java/com/printcalculator/service/quote/QuoteSessionResponseAssembler.java

@@ -81,7 +81,15 @@ public class QuoteSessionResponseAssembler {
         dto.put("shopProductName", item.getShopProductName());
         dto.put("shopVariantLabel", item.getShopVariantLabel());
         dto.put("shopVariantColorName", item.getShopVariantColorName());
+        dto.put("shopVariantColorLabelIt", item.getShopProductVariant() != null ? item.getShopProductVariant().getColorLabelIt() : null);
+        dto.put("shopVariantColorLabelEn", item.getShopProductVariant() != null ? item.getShopProductVariant().getColorLabelEn() : null);
+        dto.put("shopVariantColorLabelDe", item.getShopProductVariant() != null ? item.getShopProductVariant().getColorLabelDe() : null);
+        dto.put("shopVariantColorLabelFr", item.getShopProductVariant() != null ? item.getShopProductVariant().getColorLabelFr() : null);
         dto.put("shopVariantColorHex", item.getShopVariantColorHex());
+        dto.put("filamentColorLabelIt", item.getFilamentVariant() != null ? item.getFilamentVariant().getColorLabelIt() : null);
+        dto.put("filamentColorLabelEn", item.getFilamentVariant() != null ? item.getFilamentVariant().getColorLabelEn() : null);
+        dto.put("filamentColorLabelDe", item.getFilamentVariant() != null ? item.getFilamentVariant().getColorLabelDe() : null);
+        dto.put("filamentColorLabelFr", item.getFilamentVariant() != null ? item.getFilamentVariant().getColorLabelFr() : null);
         dto.put("materialCode", item.getMaterialCode());
         dto.put("quality", item.getQuality());
         dto.put("nozzleDiameterMm", item.getNozzleDiameterMm());

backend/src/main/java/com/printcalculator/service/shop/PublicShopCatalogService.java

@@ -71,7 +71,7 @@ public class PublicShopCatalogService {
 
     public List<ShopCategoryTreeDto> getCategories(String language) {
         CategoryContext categoryContext = loadCategoryContext(language);
-        return buildCategoryTree(null, categoryContext);
+        return buildCategoryTree(null, categoryContext, language);
     }
 
     public ShopCategoryDetailDto getCategory(String slug, String language) {
@@ -83,7 +83,7 @@ public class PublicShopCatalogService {
             throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Category not found");
         }
 
-        return buildCategoryDetail(category, categoryContext);
+        return buildCategoryDetail(category, categoryContext, language);
     }
 
     public ShopProductCatalogResponseDto getProductCatalog(String categorySlug, Boolean featuredOnly, String language) {
@@ -114,7 +114,7 @@ public class PublicShopCatalogService {
                 .toList();
 
         ShopCategoryDetailDto selectedCategoryDetail = selectedCategory != null
-                ? buildCategoryDetail(selectedCategory, categoryContext)
+                ? buildCategoryDetail(selectedCategory, categoryContext, language)
                 : null;
 
         return new ShopProductCatalogResponseDto(
@@ -316,53 +316,63 @@ public class PublicShopCatalogService {
         return total;
     }
 
-    private List<ShopCategoryTreeDto> buildCategoryTree(UUID parentId, CategoryContext categoryContext) {
+    private List<ShopCategoryTreeDto> buildCategoryTree(UUID parentId,
+                                                        CategoryContext categoryContext,
+                                                        String language) {
         return categoryContext.childrenByParentId().getOrDefault(parentId, List.of()).stream()
                 .map(category -> new ShopCategoryTreeDto(
                         category.getId(),
                         category.getParentCategory() != null ? category.getParentCategory().getId() : null,
                         category.getSlug(),
-                        category.getName(),
+                        category.getNameForLanguage(language),
-                        category.getDescription(),
+                        category.getDescriptionForLanguage(language),
-                        category.getSeoTitle(),
+                        category.getSeoTitleForLanguage(language),
-                        category.getSeoDescription(),
+                        category.getSeoDescriptionForLanguage(language),
                         category.getOgTitle(),
                         category.getOgDescription(),
                         category.getIndexable(),
                         category.getSortOrder(),
                         categoryContext.descendantProductCounts().getOrDefault(category.getId(), 0),
                         selectPrimaryMedia(categoryContext.categoryMediaBySlug().get(categoryMediaUsageKey(category))),
-                        buildCategoryTree(category.getId(), categoryContext)
+                        buildCategoryTree(category.getId(), categoryContext, language)
                 ))
                 .toList();
     }
 
-    private ShopCategoryDetailDto buildCategoryDetail(ShopCategory category, CategoryContext categoryContext) {
+    private ShopCategoryDetailDto buildCategoryDetail(ShopCategory category,
+                                                      CategoryContext categoryContext,
+                                                      String language) {
         List<PublicMediaUsageDto> images = categoryContext.categoryMediaBySlug().getOrDefault(categoryMediaUsageKey(category), List.of());
+        String localizedSeoTitle = category.getSeoTitleForLanguage(language);
+        String localizedSeoDescription = category.getSeoDescriptionForLanguage(language);
         return new ShopCategoryDetailDto(
                 category.getId(),
                 category.getSlug(),
-                category.getName(),
+                category.getNameForLanguage(language),
-                category.getDescription(),
+                category.getDescriptionForLanguage(language),
-                category.getSeoTitle(),
+                localizedSeoTitle,
-                category.getSeoDescription(),
+                localizedSeoDescription,
                 category.getOgTitle(),
                 category.getOgDescription(),
                 category.getIndexable(),
                 category.getSortOrder(),
                 categoryContext.descendantProductCounts().getOrDefault(category.getId(), 0),
-                buildCategoryBreadcrumbs(category),
+                buildCategoryBreadcrumbs(category, language),
                 selectPrimaryMedia(images),
                 images,
-                buildCategoryTree(category.getId(), categoryContext)
+                buildCategoryTree(category.getId(), categoryContext, language)
         );
     }
 
-    private List<ShopCategoryRefDto> buildCategoryBreadcrumbs(ShopCategory category) {
+    private List<ShopCategoryRefDto> buildCategoryBreadcrumbs(ShopCategory category, String language) {
         List<ShopCategoryRefDto> breadcrumbs = new ArrayList<>();
         ShopCategory current = category;
         while (current != null) {
-            breadcrumbs.add(new ShopCategoryRefDto(current.getId(), current.getSlug(), current.getName()));
+            breadcrumbs.add(new ShopCategoryRefDto(
+                    current.getId(),
+                    current.getSlug(),
+                    current.getNameForLanguage(language)
+            ));
             current = current.getParentCategory();
         }
         java.util.Collections.reverse(breadcrumbs);
@@ -399,11 +409,11 @@ public class PublicShopCatalogService {
                 new ShopCategoryRefDto(
                         entry.product().getCategory().getId(),
                         entry.product().getCategory().getSlug(),
-                        entry.product().getCategory().getName()
+                        entry.product().getCategory().getNameForLanguage(language)
                 ),
                 resolvePriceFrom(entry.variants()),
                 resolvePriceTo(entry.variants()),
-                toVariantDto(entry.defaultVariant(), entry.defaultVariant(), variantColorHexByMaterialAndColor),
+                toVariantDto(entry.defaultVariant(), entry.defaultVariant(), variantColorHexByMaterialAndColor, language),
                 selectPrimaryMedia(images),
                 toProductModelDto(entry)
         );
@@ -432,14 +442,14 @@ public class PublicShopCatalogService {
                 new ShopCategoryRefDto(
                         entry.product().getCategory().getId(),
                         entry.product().getCategory().getSlug(),
-                        entry.product().getCategory().getName()
+                        entry.product().getCategory().getNameForLanguage(language)
                 ),
-                buildCategoryBreadcrumbs(entry.product().getCategory()),
+                buildCategoryBreadcrumbs(entry.product().getCategory(), language),
                 resolvePriceFrom(entry.variants()),
                 resolvePriceTo(entry.variants()),
-                toVariantDto(entry.defaultVariant(), entry.defaultVariant(), variantColorHexByMaterialAndColor),
+                toVariantDto(entry.defaultVariant(), entry.defaultVariant(), variantColorHexByMaterialAndColor, language),
                 entry.variants().stream()
-                        .map(variant -> toVariantDto(variant, entry.defaultVariant(), variantColorHexByMaterialAndColor))
+                        .map(variant -> toVariantDto(variant, entry.defaultVariant(), variantColorHexByMaterialAndColor, language))
                         .toList(),
                 selectPrimaryMedia(images),
                 images,
@@ -449,7 +459,8 @@ public class PublicShopCatalogService {
 
     private ShopProductVariantOptionDto toVariantDto(ShopProductVariant variant,
                                                      ShopProductVariant defaultVariant,
-                                                     Map<String, String> variantColorHexByMaterialAndColor) {
+                                                     Map<String, String> variantColorHexByMaterialAndColor,
+                                                     String language) {
         if (variant == null) {
             return null;
         }
@@ -463,6 +474,7 @@ public class PublicShopCatalogService {
                 variant.getSku(),
                 variant.getVariantLabel(),
                 variant.getColorName(),
+                variant.getColorLabelForLanguage(language),
                 colorHex,
                 variant.getPriceChf(),
                 defaultVariant != null && Objects.equals(defaultVariant.getId(), variant.getId())

backend/src/test/java/com/printcalculator/entity/ShopCategoryTest.java

@@ -0,0 +1,55 @@
+package com.printcalculator.entity;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class ShopCategoryTest {
+
+    @Test
+    void localizedAccessorsShouldReturnLanguageSpecificValues() {
+        ShopCategory category = new ShopCategory();
+        category.setName("Desk accessories");
+        category.setNameIt("Accessori da scrivania");
+        category.setNameEn("Desk accessories");
+        category.setNameDe("Schreibtischzubehor");
+        category.setNameFr("Accessoires de bureau");
+        category.setDescription("Legacy description");
+        category.setDescriptionIt("Organizer e accessori stampati per la scrivania.");
+        category.setDescriptionEn("Printed desk organizers and accessories.");
+        category.setDescriptionDe("Gedruckte Organizer und Zubehor fur den Schreibtisch.");
+        category.setDescriptionFr("Accessoires et organiseurs imprimes pour le bureau.");
+        category.setSeoTitle("Legacy SEO title");
+        category.setSeoTitleIt("Accessori da scrivania stampati in 3D");
+        category.setSeoTitleEn("3D printed desk accessories");
+        category.setSeoTitleDe("3D-gedruckte Schreibtischaccessoires");
+        category.setSeoTitleFr("Accessoires de bureau imprimes en 3D");
+        category.setSeoDescription("Legacy SEO description");
+        category.setSeoDescriptionIt("Accessori da scrivania personalizzati e funzionali.");
+        category.setSeoDescriptionEn("Functional custom desk accessories.");
+        category.setSeoDescriptionDe("Funktionale personalisierte Schreibtischaccessoires.");
+        category.setSeoDescriptionFr("Accessoires de bureau fonctionnels et personnalises.");
+
+        assertEquals("Accessori da scrivania", category.getNameForLanguage("it"));
+        assertEquals("Desk accessories", category.getNameForLanguage("en"));
+        assertEquals("Schreibtischzubehor", category.getNameForLanguage("de"));
+        assertEquals("Accessoires de bureau", category.getNameForLanguage("fr"));
+        assertEquals("Gedruckte Organizer und Zubehor fur den Schreibtisch.", category.getDescriptionForLanguage("de"));
+        assertEquals("3D printed desk accessories", category.getSeoTitleForLanguage("en"));
+        assertEquals("Accessoires de bureau fonctionnels et personnalises.", category.getSeoDescriptionForLanguage("fr"));
+    }
+
+    @Test
+    void localizedAccessorsShouldFallbackToLegacyValues() {
+        ShopCategory category = new ShopCategory();
+        category.setName("Desk accessories");
+        category.setDescription("Printed desk organizers and accessories.");
+        category.setSeoTitle("3D printed desk accessories");
+        category.setSeoDescription("Functional custom desk accessories.");
+
+        assertEquals("Desk accessories", category.getNameForLanguage("it"));
+        assertEquals("Printed desk organizers and accessories.", category.getDescriptionForLanguage("de"));
+        assertEquals("3D printed desk accessories", category.getSeoTitleForLanguage("fr-CH"));
+        assertEquals("Functional custom desk accessories.", category.getSeoDescriptionForLanguage("en-US"));
+    }
+}

db.sql

@@ -44,6 +44,10 @@ create table filament_variant
 
     variant_display_name      text           not null, -- es: "PLA Nero Opaco BrandX"
     color_name                text           not null, -- Nero, Bianco, ecc.
+    color_label_it            text,
+    color_label_en            text,
+    color_label_de            text,
+    color_label_fr            text,
     color_hex                 text,
     finish_type               text           not null default 'GLOSSY'
         check (finish_type in ('GLOSSY', 'MATTE', 'MARBLE', 'SILK', 'TRANSLUCENT', 'SPECIAL')),
@@ -70,6 +74,22 @@ select filament_variant_id,
        (stock_spools * spool_net_kg) as stock_kg
 from filament_variant;
 
+alter table filament_variant
+    add column if not exists color_label_it text,
+    add column if not exists color_label_en text,
+    add column if not exists color_label_de text,
+    add column if not exists color_label_fr text;
+
+update filament_variant
+set color_label_it = coalesce(nullif(btrim(color_label_it), ''), color_name),
+    color_label_en = coalesce(nullif(btrim(color_label_en), ''), color_name),
+    color_label_de = coalesce(nullif(btrim(color_label_de), ''), color_name),
+    color_label_fr = coalesce(nullif(btrim(color_label_fr), ''), color_name)
+where nullif(btrim(color_label_it), '') is null
+   or nullif(btrim(color_label_en), '') is null
+   or nullif(btrim(color_label_de), '') is null
+   or nullif(btrim(color_label_fr), '') is null;
+
 create table printer_machine_profile
 (
     printer_machine_profile_id bigserial primary key,
@@ -1013,9 +1033,25 @@ CREATE TABLE IF NOT EXISTS shop_category
     parent_category_id  uuid REFERENCES shop_category (shop_category_id) ON DELETE SET NULL,
     slug                text        NOT NULL UNIQUE,
     name                text        NOT NULL,
+    name_it             text,
+    name_en             text,
+    name_de             text,
+    name_fr             text,
     description         text,
+    description_it      text,
+    description_en      text,
+    description_de      text,
+    description_fr      text,
     seo_title           text,
+    seo_title_it        text,
+    seo_title_en        text,
+    seo_title_de        text,
+    seo_title_fr        text,
     seo_description     text,
+    seo_description_it  text,
+    seo_description_en  text,
+    seo_description_de  text,
+    seo_description_fr  text,
     og_title            text,
     og_description      text,
     indexable           boolean     NOT NULL DEFAULT true,
@@ -1034,6 +1070,66 @@ CREATE INDEX IF NOT EXISTS ix_shop_category_parent_sort
 CREATE INDEX IF NOT EXISTS ix_shop_category_active_sort
     ON shop_category (is_active, sort_order, created_at DESC);
 
+ALTER TABLE shop_category
+    ADD COLUMN IF NOT EXISTS name_it text,
+    ADD COLUMN IF NOT EXISTS name_en text,
+    ADD COLUMN IF NOT EXISTS name_de text,
+    ADD COLUMN IF NOT EXISTS name_fr text,
+    ADD COLUMN IF NOT EXISTS description_it text,
+    ADD COLUMN IF NOT EXISTS description_en text,
+    ADD COLUMN IF NOT EXISTS description_de text,
+    ADD COLUMN IF NOT EXISTS description_fr text,
+    ADD COLUMN IF NOT EXISTS seo_title_it text,
+    ADD COLUMN IF NOT EXISTS seo_title_en text,
+    ADD COLUMN IF NOT EXISTS seo_title_de text,
+    ADD COLUMN IF NOT EXISTS seo_title_fr text,
+    ADD COLUMN IF NOT EXISTS seo_description_it text,
+    ADD COLUMN IF NOT EXISTS seo_description_en text,
+    ADD COLUMN IF NOT EXISTS seo_description_de text,
+    ADD COLUMN IF NOT EXISTS seo_description_fr text;
+
+UPDATE shop_category
+SET
+    name_it = COALESCE(NULLIF(btrim(name_it), ''), name),
+    name_en = COALESCE(NULLIF(btrim(name_en), ''), name),
+    name_de = COALESCE(NULLIF(btrim(name_de), ''), name),
+    name_fr = COALESCE(NULLIF(btrim(name_fr), ''), name),
+    description_it = COALESCE(NULLIF(btrim(description_it), ''), description),
+    description_en = COALESCE(NULLIF(btrim(description_en), ''), description),
+    description_de = COALESCE(NULLIF(btrim(description_de), ''), description),
+    description_fr = COALESCE(NULLIF(btrim(description_fr), ''), description),
+    seo_title_it = COALESCE(NULLIF(btrim(seo_title_it), ''), seo_title),
+    seo_title_en = COALESCE(NULLIF(btrim(seo_title_en), ''), seo_title),
+    seo_title_de = COALESCE(NULLIF(btrim(seo_title_de), ''), seo_title),
+    seo_title_fr = COALESCE(NULLIF(btrim(seo_title_fr), ''), seo_title),
+    seo_description_it = COALESCE(NULLIF(btrim(seo_description_it), ''), seo_description),
+    seo_description_en = COALESCE(NULLIF(btrim(seo_description_en), ''), seo_description),
+    seo_description_de = COALESCE(NULLIF(btrim(seo_description_de), ''), seo_description),
+    seo_description_fr = COALESCE(NULLIF(btrim(seo_description_fr), ''), seo_description)
+WHERE
+    NULLIF(btrim(name_it), '') IS NULL
+    OR NULLIF(btrim(name_en), '') IS NULL
+    OR NULLIF(btrim(name_de), '') IS NULL
+    OR NULLIF(btrim(name_fr), '') IS NULL
+    OR (description IS NOT NULL AND (
+        NULLIF(btrim(description_it), '') IS NULL
+        OR NULLIF(btrim(description_en), '') IS NULL
+        OR NULLIF(btrim(description_de), '') IS NULL
+        OR NULLIF(btrim(description_fr), '') IS NULL
+    ))
+    OR (seo_title IS NOT NULL AND (
+        NULLIF(btrim(seo_title_it), '') IS NULL
+        OR NULLIF(btrim(seo_title_en), '') IS NULL
+        OR NULLIF(btrim(seo_title_de), '') IS NULL
+        OR NULLIF(btrim(seo_title_fr), '') IS NULL
+    ))
+    OR (seo_description IS NOT NULL AND (
+        NULLIF(btrim(seo_description_it), '') IS NULL
+        OR NULLIF(btrim(seo_description_en), '') IS NULL
+        OR NULLIF(btrim(seo_description_de), '') IS NULL
+        OR NULLIF(btrim(seo_description_fr), '') IS NULL
+    ));
+
 CREATE TABLE IF NOT EXISTS shop_product
 (
     shop_product_id     uuid PRIMARY KEY     DEFAULT gen_random_uuid(),
@@ -1165,6 +1261,10 @@ CREATE TABLE IF NOT EXISTS shop_product_variant
     sku                     text UNIQUE,
     variant_label           text        NOT NULL,
     color_name              text        NOT NULL,
+    color_label_it          text,
+    color_label_en          text,
+    color_label_de          text,
+    color_label_fr          text,
     color_hex               text,
     internal_material_code  text        NOT NULL,
     price_chf               numeric(12, 2) NOT NULL DEFAULT 0.00 CHECK (price_chf >= 0),
@@ -1181,6 +1281,22 @@ CREATE INDEX IF NOT EXISTS ix_shop_product_variant_product_active_sort
 CREATE INDEX IF NOT EXISTS ix_shop_product_variant_sku
     ON shop_product_variant (sku);
 
+ALTER TABLE shop_product_variant
+    ADD COLUMN IF NOT EXISTS color_label_it text,
+    ADD COLUMN IF NOT EXISTS color_label_en text,
+    ADD COLUMN IF NOT EXISTS color_label_de text,
+    ADD COLUMN IF NOT EXISTS color_label_fr text;
+
+UPDATE shop_product_variant
+SET color_label_it = COALESCE(NULLIF(btrim(color_label_it), ''), color_name),
+    color_label_en = COALESCE(NULLIF(btrim(color_label_en), ''), color_name),
+    color_label_de = COALESCE(NULLIF(btrim(color_label_de), ''), color_name),
+    color_label_fr = COALESCE(NULLIF(btrim(color_label_fr), ''), color_name)
+WHERE NULLIF(btrim(color_label_it), '') IS NULL
+   OR NULLIF(btrim(color_label_en), '') IS NULL
+   OR NULLIF(btrim(color_label_de), '') IS NULL
+   OR NULLIF(btrim(color_label_fr), '') IS NULL;
+
 CREATE TABLE IF NOT EXISTS shop_product_model_asset
 (
     shop_product_model_asset_id uuid PRIMARY KEY     DEFAULT gen_random_uuid(),

frontend/src/app/core/constants/colors.const.ts

@@ -40,93 +40,6 @@ export const PRODUCT_COLORS: ColorCategory[] = [
   },
 ];
 
-const COLOR_HEX_BY_TRANSLATION_KEY: Record<string, string> = {
-  ...Object.fromEntries(
-    PRODUCT_COLORS.flatMap((category) =>
-      category.colors.map((color) => [color.label, color.hex] as const),
-    ),
-  ),
-  'COLOR.NAME.ORANGE': '#f5a623',
-  'COLOR.NAME.GRAY': '#b7b7b7',
-  'COLOR.NAME.LIGHT_GRAY': '#d8dadd',
-  'COLOR.NAME.DARK_GRAY': '#4f4f4f',
-  'COLOR.NAME.PURPLE': '#7b1fa2',
-  'COLOR.NAME.BEIGE': '#d4c09a',
-  'COLOR.NAME.SAND_BEIGE': '#d7c2a0',
-};
-
-const COLOR_TRANSLATION_KEY_BY_VALUE: Record<string, string> = {
-  black: 'COLOR.NAME.BLACK',
-  nero: 'COLOR.NAME.BLACK',
-  noir: 'COLOR.NAME.BLACK',
-  schwarz: 'COLOR.NAME.BLACK',
-  white: 'COLOR.NAME.WHITE',
-  bianco: 'COLOR.NAME.WHITE',
-  blanc: 'COLOR.NAME.WHITE',
-  weiss: 'COLOR.NAME.WHITE',
-  red: 'COLOR.NAME.RED',
-  rosso: 'COLOR.NAME.RED',
-  rouge: 'COLOR.NAME.RED',
-  rot: 'COLOR.NAME.RED',
-  blue: 'COLOR.NAME.BLUE',
-  blu: 'COLOR.NAME.BLUE',
-  bleu: 'COLOR.NAME.BLUE',
-  blau: 'COLOR.NAME.BLUE',
-  green: 'COLOR.NAME.GREEN',
-  verde: 'COLOR.NAME.GREEN',
-  vert: 'COLOR.NAME.GREEN',
-  grun: 'COLOR.NAME.GREEN',
-  yellow: 'COLOR.NAME.YELLOW',
-  giallo: 'COLOR.NAME.YELLOW',
-  jaune: 'COLOR.NAME.YELLOW',
-  gelb: 'COLOR.NAME.YELLOW',
-  orange: 'COLOR.NAME.ORANGE',
-  arancione: 'COLOR.NAME.ORANGE',
-  naranja: 'COLOR.NAME.ORANGE',
-  gris: 'COLOR.NAME.GRAY',
-  gray: 'COLOR.NAME.GRAY',
-  grey: 'COLOR.NAME.GRAY',
-  grigio: 'COLOR.NAME.GRAY',
-  grau: 'COLOR.NAME.GRAY',
-  'light gray': 'COLOR.NAME.LIGHT_GRAY',
-  'light grey': 'COLOR.NAME.LIGHT_GRAY',
-  'grigio chiaro': 'COLOR.NAME.LIGHT_GRAY',
-  'gris clair': 'COLOR.NAME.LIGHT_GRAY',
-  hellgrau: 'COLOR.NAME.LIGHT_GRAY',
-  'dark gray': 'COLOR.NAME.DARK_GRAY',
-  'dark grey': 'COLOR.NAME.DARK_GRAY',
-  'grigio scuro': 'COLOR.NAME.DARK_GRAY',
-  'gris fonce': 'COLOR.NAME.DARK_GRAY',
-  dunkelgrau: 'COLOR.NAME.DARK_GRAY',
-  purple: 'COLOR.NAME.PURPLE',
-  violet: 'COLOR.NAME.PURPLE',
-  viola: 'COLOR.NAME.PURPLE',
-  lila: 'COLOR.NAME.PURPLE',
-  beige: 'COLOR.NAME.BEIGE',
-  'sand beige': 'COLOR.NAME.SAND_BEIGE',
-  'beige sabbia': 'COLOR.NAME.SAND_BEIGE',
-  'beige sable': 'COLOR.NAME.SAND_BEIGE',
-  sandbeige: 'COLOR.NAME.SAND_BEIGE',
-  'matte black': 'COLOR.NAME.MATTE_BLACK',
-  'black matte': 'COLOR.NAME.MATTE_BLACK',
-  'nero opaco': 'COLOR.NAME.MATTE_BLACK',
-  'noir mat': 'COLOR.NAME.MATTE_BLACK',
-  'matt schwarz': 'COLOR.NAME.MATTE_BLACK',
-  'schwarz matt': 'COLOR.NAME.MATTE_BLACK',
-  'matte white': 'COLOR.NAME.MATTE_WHITE',
-  'white matte': 'COLOR.NAME.MATTE_WHITE',
-  'bianco opaco': 'COLOR.NAME.MATTE_WHITE',
-  'blanc mat': 'COLOR.NAME.MATTE_WHITE',
-  'matt weiss': 'COLOR.NAME.MATTE_WHITE',
-  'weiss matt': 'COLOR.NAME.MATTE_WHITE',
-  'matte gray': 'COLOR.NAME.MATTE_GRAY',
-  'matte grey': 'COLOR.NAME.MATTE_GRAY',
-  'grigio opaco': 'COLOR.NAME.MATTE_GRAY',
-  'gris mat': 'COLOR.NAME.MATTE_GRAY',
-  'matt grau': 'COLOR.NAME.MATTE_GRAY',
-  'grau matt': 'COLOR.NAME.MATTE_GRAY',
-};
-
 export function normalizeColorValue(value: string | null | undefined): string {
   return String(value ?? '')
     .trim()
@@ -138,30 +51,7 @@ export function normalizeColorValue(value: string | null | undefined): string {
     .replace(/\s+/g, ' ');
 }
 
-export function getColorTranslationKey(
-  value: string | null | undefined,
-): string | null {
-  const normalized = normalizeColorValue(value);
-  return normalized ? COLOR_TRANSLATION_KEY_BY_VALUE[normalized] ?? null : null;
-}
-
-export function getColorLabelToken(
-  value: string | null | undefined,
-): string | null {
-  const raw = String(value ?? '').trim();
-  if (!raw) {
-    return null;
-  }
-
-  return getColorTranslationKey(raw) ?? raw;
-}
-
 export function findColorHex(value: string | null | undefined): string | null {
-  const translationKey = getColorTranslationKey(value);
-  if (translationKey) {
-    return COLOR_HEX_BY_TRANSLATION_KEY[translationKey] ?? null;
-  }
-
   const normalized = normalizeColorValue(value);
   if (!normalized) {
     return null;
@@ -179,6 +69,52 @@ export function findColorHex(value: string | null | undefined): string | null {
   return null;
 }
 
+export interface LocalizedColorLabelSet {
+  fallback?: string | null;
+  it?: string | null;
+  en?: string | null;
+  de?: string | null;
+  fr?: string | null;
+}
+
+export function resolveLocalizedColorLabel(
+  language: string | null | undefined,
+  labels: LocalizedColorLabelSet,
+): string | null {
+  const normalizedLanguage = String(language ?? '')
+    .trim()
+    .toLowerCase()
+    .split('-')[0];
+
+  const preferred =
+    normalizedLanguage === 'it'
+      ? labels.it
+      : normalizedLanguage === 'en'
+        ? labels.en
+        : normalizedLanguage === 'de'
+          ? labels.de
+          : normalizedLanguage === 'fr'
+            ? labels.fr
+            : null;
+
+  return (
+    firstNonBlank(preferred, labels.fallback) ??
+    firstNonBlank(labels.it, labels.en, labels.de, labels.fr)
+  );
+}
+
+function firstNonBlank(
+  ...values: Array<string | null | undefined>
+): string | null {
+  for (const value of values) {
+    const normalized = String(value ?? '').trim();
+    if (normalized) {
+      return normalized;
+    }
+  }
+  return null;
+}
+
 export function getColorHex(value: string): string {
   return findColorHex(value) ?? DEFAULT_BRAND_COLOR;
 }

frontend/src/app/core/layout/navbar.component.ts

@@ -17,7 +17,7 @@ import {
 import { finalize } from 'rxjs';
 import {
   findColorHex,
-  getColorLabelToken,
+  resolveLocalizedColorLabel,
 } from '../constants/colors.const';
 
 @Component({
@@ -147,15 +147,20 @@ export class NavbarComponent {
   }
 
   cartItemVariant(item: ShopCartItem): string | null {
-    return (
+    return item.shopVariantLabel || this.cartItemColor(item);
-      item.shopVariantLabel || getColorLabelToken(item.shopVariantColorName)
-    );
   }
 
   cartItemColor(item: ShopCartItem): string | null {
     return (
-      getColorLabelToken(item.shopVariantColorName) ??
+      resolveLocalizedColorLabel(this.langService.selectedLang(), {
-      getColorLabelToken(item.colorCode)
+        fallback: item.shopVariantColorName ?? item.colorCode,
+        it: item.shopVariantColorLabelIt,
+        en: item.shopVariantColorLabelEn,
+        de: item.shopVariantColorLabelDe,
+        fr: item.shopVariantColorLabelFr,
+      }) ??
+      item.shopVariantColorName ??
+      item.colorCode
     );
   }
 

frontend/src/app/features/admin/pages/admin-filament-stock.component.html

@@ -101,6 +101,22 @@
                   placeholder="Nero, Bianco..."
                 />
               </label>
+              <label class="form-field">
+                <span>Label IT</span>
+                <input type="text" [(ngModel)]="newVariant.colorLabelIt" />
+              </label>
+              <label class="form-field">
+                <span>Label EN</span>
+                <input type="text" [(ngModel)]="newVariant.colorLabelEn" />
+              </label>
+              <label class="form-field">
+                <span>Label DE</span>
+                <input type="text" [(ngModel)]="newVariant.colorLabelDe" />
+              </label>
+              <label class="form-field">
+                <span>Label FR</span>
+                <input type="text" [(ngModel)]="newVariant.colorLabelFr" />
+              </label>
               <label class="form-field">
                 <span>Hex colore</span>
                 <input
@@ -229,7 +245,7 @@
                     class="color-dot"
                     [style.background-color]="getVariantColorHex(variant)"
                   ></span>
-                  {{ variant.colorName || "N/D" }}
+                  {{ variant.colorLabelIt || variant.colorName || "N/D" }}
                 </span>
                 <span
                   >Stock spools:
@@ -290,6 +306,22 @@
               <span>Colore</span>
               <input type="text" [(ngModel)]="variant.colorName" />
             </label>
+            <label class="form-field">
+              <span>Label IT</span>
+              <input type="text" [(ngModel)]="variant.colorLabelIt" />
+            </label>
+            <label class="form-field">
+              <span>Label EN</span>
+              <input type="text" [(ngModel)]="variant.colorLabelEn" />
+            </label>
+            <label class="form-field">
+              <span>Label DE</span>
+              <input type="text" [(ngModel)]="variant.colorLabelDe" />
+            </label>
+            <label class="form-field">
+              <span>Label FR</span>
+              <input type="text" [(ngModel)]="variant.colorLabelFr" />
+            </label>
             <label class="form-field">
               <span>Hex colore</span>
               <input type="text" [(ngModel)]="variant.colorHex" />

frontend/src/app/features/admin/pages/admin-filament-stock.component.ts

@@ -47,6 +47,10 @@ export class AdminFilamentStockComponent implements OnInit {
     materialTypeId: 0,
     variantDisplayName: '',
     colorName: '',
+    colorLabelIt: '',
+    colorLabelEn: '',
+    colorLabelDe: '',
+    colorLabelFr: '',
     colorHex: '',
     finishType: 'GLOSSY',
     brand: '',
@@ -206,6 +210,10 @@ export class AdminFilamentStockComponent implements OnInit {
             this.newVariant.materialTypeId || this.materials[0]?.id || 0,
           variantDisplayName: '',
           colorName: '',
+          colorLabelIt: '',
+          colorLabelEn: '',
+          colorLabelDe: '',
+          colorLabelFr: '',
           colorHex: '',
           finishType: 'GLOSSY',
           brand: '',
@@ -359,6 +367,10 @@ export class AdminFilamentStockComponent implements OnInit {
       materialTypeId: Number(source.materialTypeId),
       variantDisplayName: (source.variantDisplayName || '').trim(),
       colorName: (source.colorName || '').trim(),
+      colorLabelIt: (source.colorLabelIt || '').trim() || undefined,
+      colorLabelEn: (source.colorLabelEn || '').trim() || undefined,
+      colorLabelDe: (source.colorLabelDe || '').trim() || undefined,
+      colorLabelFr: (source.colorLabelFr || '').trim() || undefined,
       colorHex: (source.colorHex || '').trim() || undefined,
       finishType: (source.finishType || 'GLOSSY').trim().toUpperCase(),
       brand: (source.brand || '').trim() || undefined,

frontend/src/app/features/admin/pages/admin-shop.component.html

@@ -206,27 +206,16 @@
                 />
               </label>
 
-              <label class="ui-form-field">
-                <span class="ui-form-caption">Nome categoria</span>
-                <input
-                  class="ui-form-control"
-                  type="text"
-                  [(ngModel)]="categoryForm.name"
-                  name="categoryName"
-                  placeholder="Desk accessories"
-                />
-              </label>
-
               <label class="ui-form-field">
                 <span class="ui-form-caption">Slug</span>
                 <div class="input-with-action">
                   <input
                     class="ui-form-control"
                     type="text"
-                    [(ngModel)]="categoryForm.slug"
+                  [(ngModel)]="categoryForm.slug"
-                    name="categorySlug"
+                  name="categorySlug"
-                    placeholder="desk-accessories"
+                  placeholder="desk-accessories"
-                  />
+                />
                   <button
                     type="button"
                     class="ui-button ui-button--ghost"
@@ -237,36 +226,6 @@
                 </div>
               </label>
 
-              <label class="ui-form-field form-field--wide">
-                <span class="ui-form-caption">Descrizione</span>
-                <textarea
-                  class="ui-form-control textarea-control"
-                  [(ngModel)]="categoryForm.description"
-                  name="categoryDescription"
-                  rows="3"
-                ></textarea>
-              </label>
-
-              <label class="ui-form-field">
-                <span class="ui-form-caption">SEO title</span>
-                <input
-                  class="ui-form-control"
-                  type="text"
-                  [(ngModel)]="categoryForm.seoTitle"
-                  name="categorySeoTitle"
-                />
-              </label>
-
-              <label class="ui-form-field">
-                <span class="ui-form-caption">SEO description</span>
-                <input
-                  class="ui-form-control"
-                  type="text"
-                  [(ngModel)]="categoryForm.seoDescription"
-                  name="categorySeoDescription"
-                />
-              </label>
-
               <label class="ui-form-field">
                 <span class="ui-form-caption">OG title</span>
                 <input
@@ -288,6 +247,141 @@
               </label>
             </div>
 
+            <div class="ui-language-toolbar">
+              <div class="ui-language-toolbar__copy">
+                <span>Lingua contenuti categoria</span>
+                <p>IT / EN / DE / FR</p>
+              </div>
+              <div class="ui-language-toolbar__toggle">
+                <button
+                  *ngFor="let language of shopLanguages"
+                  type="button"
+                  class="ui-language-toolbar__button image-language-button"
+                  [class.active]="activeContentLanguage === language"
+                  [class.complete]="isCategoryContentLanguageComplete(language)"
+                  [class.incomplete]="
+                    isCategoryContentLanguageIncomplete(language)
+                  "
+                  [class.empty]="!isCategoryContentLanguageStarted(language)"
+                  (click)="setActiveContentLanguage(language)"
+                >
+                  <span class="image-language-button__label">
+                    {{ languageLabels[language] }}
+                  </span>
+                  <span
+                    class="image-language-button__state"
+                    *ngIf="isCategoryContentLanguageComplete(language)"
+                  >
+                    OK
+                  </span>
+                  <span
+                    class="image-language-button__state"
+                    *ngIf="isCategoryContentLanguageIncomplete(language)"
+                  >
+                    ...
+                  </span>
+                </button>
+              </div>
+            </div>
+
+            <div class="ui-form-grid ui-form-grid--two">
+              <label class="ui-form-field">
+                <span class="ui-form-caption">
+                  Nome categoria {{ languageLabels[activeContentLanguage] }}
+                </span>
+                <input
+                  class="ui-form-control"
+                  type="text"
+                  [(ngModel)]="categoryForm.names[activeContentLanguage]"
+                  [name]="'category-name-' + activeContentLanguage"
+                  placeholder="Desk accessories"
+                />
+              </label>
+
+              <label class="ui-form-field form-field--wide">
+                <span class="ui-form-caption">
+                  Descrizione {{ languageLabels[activeContentLanguage] }}
+                </span>
+                <textarea
+                  class="ui-form-control textarea-control"
+                  [(ngModel)]="categoryForm.descriptions[activeContentLanguage]"
+                  [name]="'category-description-' + activeContentLanguage"
+                  rows="3"
+                ></textarea>
+              </label>
+            </div>
+
+            <div class="ui-language-toolbar">
+              <div class="ui-language-toolbar__copy">
+                <span>Lingua SEO categoria</span>
+                <p>Stessa lingua attiva dell'editor</p>
+              </div>
+              <div class="ui-language-toolbar__toggle">
+                <button
+                  *ngFor="let language of shopLanguages"
+                  type="button"
+                  class="ui-language-toolbar__button image-language-button"
+                  [class.active]="activeContentLanguage === language"
+                  [class.complete]="isCategorySeoLanguageComplete(language)"
+                  [class.incomplete]="isCategorySeoLanguageIncomplete(language)"
+                  [class.empty]="!isCategorySeoLanguageStarted(language)"
+                  (click)="setActiveContentLanguage(language)"
+                >
+                  <span class="image-language-button__label">
+                    {{ languageLabels[language] }}
+                  </span>
+                  <span
+                    class="image-language-button__state"
+                    *ngIf="isCategorySeoLanguageComplete(language)"
+                  >
+                    OK
+                  </span>
+                  <span
+                    class="image-language-button__state"
+                    *ngIf="isCategorySeoLanguageIncomplete(language)"
+                  >
+                    ...
+                  </span>
+                </button>
+              </div>
+            </div>
+
+            <div class="ui-form-grid ui-form-grid--two">
+              <label class="ui-form-field">
+                <span class="ui-form-caption">
+                  SEO title {{ languageLabels[activeContentLanguage] }}
+                </span>
+                <input
+                  class="ui-form-control"
+                  type="text"
+                  [(ngModel)]="categoryForm.seoTitles[activeContentLanguage]"
+                  [name]="'category-seo-title-' + activeContentLanguage"
+                />
+              </label>
+
+              <label class="ui-form-field form-field--wide">
+                <span class="ui-form-caption">
+                  SEO description {{ languageLabels[activeContentLanguage] }}
+                </span>
+                <textarea
+                  class="ui-form-control"
+                  [(ngModel)]="
+                    categoryForm.seoDescriptions[activeContentLanguage]
+                  "
+                  [name]="'category-seo-description-' + activeContentLanguage"
+                  rows="3"
+                ></textarea>
+                <span
+                  class="seo-counter"
+                  [class.seo-counter--danger]="
+                    categorySeoDescriptionLength(activeContentLanguage) > 160
+                  "
+                >
+                  {{ categorySeoDescriptionLength(activeContentLanguage) }}/160
+                </span>
+              </label>
+            </div>
+
             <div class="toggle-row">
               <label class="ui-checkbox">
                 <input

frontend/src/app/features/admin/pages/admin-shop.component.ts

@@ -41,10 +41,10 @@ interface CategoryFormState {
   id: string | null;
   parentCategoryId: string | null;
   slug: string;
-  name: string;
+  names: Record<ShopLanguage, string>;
-  description: string;
+  descriptions: Record<ShopLanguage, string>;
-  seoTitle: string;
+  seoTitles: Record<ShopLanguage, string>;
-  seoDescription: string;
+  seoDescriptions: Record<ShopLanguage, string>;
   ogTitle: string;
   ogDescription: string;
   indexable: boolean;
@@ -554,7 +554,10 @@ export class AdminShopComponent implements OnInit, OnDestroy {
   }
 
   slugifyCategoryFromName(): void {
-    this.categoryForm.slug = this.slugify(this.categoryForm.name);
+    const source =
+      this.categoryForm.names[this.activeContentLanguage] ||
+      this.categoryForm.names['it'];
+    this.categoryForm.slug = this.slugify(source);
   }
 
   setActiveContentLanguage(language: ShopLanguage): void {
@@ -603,6 +606,45 @@ export class AdminShopComponent implements OnInit, OnDestroy {
     );
   }
 
+  isCategoryContentLanguageComplete(language: ShopLanguage): boolean {
+    return !!this.categoryForm.names[language].trim();
+  }
+
+  isCategoryContentLanguageStarted(language: ShopLanguage): boolean {
+    return (
+      !!this.categoryForm.names[language].trim() ||
+      !!this.categoryForm.descriptions[language].trim()
+    );
+  }
+
+  isCategoryContentLanguageIncomplete(language: ShopLanguage): boolean {
+    return (
+      this.isCategoryContentLanguageStarted(language) &&
+      !this.isCategoryContentLanguageComplete(language)
+    );
+  }
+
+  isCategorySeoLanguageComplete(language: ShopLanguage): boolean {
+    return (
+      !!this.categoryForm.seoTitles[language].trim() &&
+      !!this.categoryForm.seoDescriptions[language].trim()
+    );
+  }
+
+  isCategorySeoLanguageStarted(language: ShopLanguage): boolean {
+    return (
+      !!this.categoryForm.seoTitles[language].trim() ||
+      !!this.categoryForm.seoDescriptions[language].trim()
+    );
+  }
+
+  isCategorySeoLanguageIncomplete(language: ShopLanguage): boolean {
+    return (
+      this.isCategorySeoLanguageStarted(language) &&
+      !this.isCategorySeoLanguageComplete(language)
+    );
+  }
+
   preventRichTextToolbarMouseDown(event: MouseEvent): void {
     event.preventDefault();
   }
@@ -1228,10 +1270,10 @@ export class AdminShopComponent implements OnInit, OnDestroy {
       id: null,
       parentCategoryId: null,
       slug: '',
-      name: '',
+      names: this.createEmptyLocalizedTextRecord(),
-      description: '',
+      descriptions: this.createEmptyLocalizedTextRecord(),
-      seoTitle: '',
+      seoTitles: this.createEmptyLocalizedTextRecord(),
-      seoDescription: '',
+      seoDescriptions: this.createEmptyLocalizedTextRecord(),
       ogTitle: '',
       ogDescription: '',
       indexable: true,
@@ -1241,6 +1283,7 @@ export class AdminShopComponent implements OnInit, OnDestroy {
   }
 
   private resetCategoryForm(): void {
+    this.activeContentLanguage = 'it';
     Object.assign(this.categoryForm, this.createEmptyCategoryForm());
   }
 
@@ -1249,10 +1292,30 @@ export class AdminShopComponent implements OnInit, OnDestroy {
       id: category.id,
       parentCategoryId: category.parentCategoryId,
       slug: category.slug ?? '',
-      name: category.name ?? '',
+      names: {
-      description: category.description ?? '',
+        it: category.nameIt ?? category.name ?? '',
-      seoTitle: category.seoTitle ?? '',
+        en: category.nameEn ?? category.name ?? '',
-      seoDescription: category.seoDescription ?? '',
+        de: category.nameDe ?? category.name ?? '',
+        fr: category.nameFr ?? category.name ?? '',
+      },
+      descriptions: {
+        it: category.descriptionIt ?? category.description ?? '',
+        en: category.descriptionEn ?? category.description ?? '',
+        de: category.descriptionDe ?? category.description ?? '',
+        fr: category.descriptionFr ?? category.description ?? '',
+      },
+      seoTitles: {
+        it: category.seoTitleIt ?? category.seoTitle ?? '',
+        en: category.seoTitleEn ?? category.seoTitle ?? '',
+        de: category.seoTitleDe ?? category.seoTitle ?? '',
+        fr: category.seoTitleFr ?? category.seoTitle ?? '',
+      },
+      seoDescriptions: {
+        it: category.seoDescriptionIt ?? category.seoDescription ?? '',
+        en: category.seoDescriptionEn ?? category.seoDescription ?? '',
+        de: category.seoDescriptionDe ?? category.seoDescription ?? '',
+        fr: category.seoDescriptionFr ?? category.seoDescription ?? '',
+      },
       ogTitle: category.ogTitle ?? '',
       ogDescription: category.ogDescription ?? '',
       indexable: category.indexable,
@@ -1265,10 +1328,34 @@ export class AdminShopComponent implements OnInit, OnDestroy {
     return {
       parentCategoryId: this.categoryForm.parentCategoryId || null,
       slug: this.categoryForm.slug.trim(),
-      name: this.categoryForm.name.trim(),
+      name: this.categoryForm.names['it'].trim(),
-      description: this.categoryForm.description.trim(),
+      nameIt: this.categoryForm.names['it'].trim(),
-      seoTitle: this.categoryForm.seoTitle.trim(),
+      nameEn: this.categoryForm.names['en'].trim(),
-      seoDescription: this.categoryForm.seoDescription.trim(),
+      nameDe: this.categoryForm.names['de'].trim(),
+      nameFr: this.categoryForm.names['fr'].trim(),
+      description: this.optionalValue(this.categoryForm.descriptions['it']),
+      descriptionIt: this.optionalValue(this.categoryForm.descriptions['it']),
+      descriptionEn: this.optionalValue(this.categoryForm.descriptions['en']),
+      descriptionDe: this.optionalValue(this.categoryForm.descriptions['de']),
+      descriptionFr: this.optionalValue(this.categoryForm.descriptions['fr']),
+      seoTitle: this.optionalValue(this.categoryForm.seoTitles['it']),
+      seoTitleIt: this.optionalValue(this.categoryForm.seoTitles['it']),
+      seoTitleEn: this.optionalValue(this.categoryForm.seoTitles['en']),
+      seoTitleDe: this.optionalValue(this.categoryForm.seoTitles['de']),
+      seoTitleFr: this.optionalValue(this.categoryForm.seoTitles['fr']),
+      seoDescription: this.optionalValue(this.categoryForm.seoDescriptions['it']),
+      seoDescriptionIt: this.optionalValue(
+        this.categoryForm.seoDescriptions['it'],
+      ),
+      seoDescriptionEn: this.optionalValue(
+        this.categoryForm.seoDescriptions['en'],
+      ),
+      seoDescriptionDe: this.optionalValue(
+        this.categoryForm.seoDescriptions['de'],
+      ),
+      seoDescriptionFr: this.optionalValue(
+        this.categoryForm.seoDescriptions['fr'],
+      ),
       ogTitle: this.categoryForm.ogTitle.trim(),
       ogDescription: this.categoryForm.ogDescription.trim(),
       indexable: this.categoryForm.indexable,
@@ -1278,12 +1365,19 @@ export class AdminShopComponent implements OnInit, OnDestroy {
   }
 
   private validateCategoryForm(): string | null {
-    if (!this.categoryForm.name.trim()) {
+    for (const language of this.shopLanguages) {
-      return 'Il nome categoria è obbligatorio.';
+      if (!this.categoryForm.names[language].trim()) {
+        return `Il nome categoria ${this.languageLabels[language]} è obbligatorio.`;
+      }
     }
     if (!this.categoryForm.slug.trim()) {
       return 'Lo slug categoria è obbligatorio.';
     }
+    for (const language of this.shopLanguages) {
+      if (this.categoryForm.seoDescriptions[language].trim().length > 160) {
+        return `La SEO description categoria ${this.languageLabels[language]} deve avere massimo 160 caratteri.`;
+      }
+    }
     return null;
   }
 
@@ -1616,6 +1710,10 @@ export class AdminShopComponent implements OnInit, OnDestroy {
           sku: this.optionalValue(existingVariant?.sku ?? ''),
           variantLabel: materialCode,
           colorName: stockVariant.colorName.trim(),
+          colorLabelIt: this.optionalValue(stockVariant.colorLabelIt ?? ''),
+          colorLabelEn: this.optionalValue(stockVariant.colorLabelEn ?? ''),
+          colorLabelDe: this.optionalValue(stockVariant.colorLabelDe ?? ''),
+          colorLabelFr: this.optionalValue(stockVariant.colorLabelFr ?? ''),
           colorHex: this.optionalValue(
             stockVariant.colorHex ?? '',
           )?.toUpperCase(),
@@ -1714,7 +1812,7 @@ export class AdminShopComponent implements OnInit, OnDestroy {
   }
 
   private stockVariantLabel(variant: AdminFilamentVariant): string {
-    const colorName = variant.colorName.trim();
+    const colorName = (variant.colorLabelIt || variant.colorName).trim();
     const variantDisplayName = variant.variantDisplayName.trim();
     if (
       variantDisplayName &&
@@ -2193,6 +2291,19 @@ export class AdminShopComponent implements OnInit, OnDestroy {
     return this.productForm.seoDescriptions[language].trim().length;
   }
 
+  categorySeoDescriptionLength(language: ShopLanguage): number {
+    return this.categoryForm.seoDescriptions[language].trim().length;
+  }
+
+  private createEmptyLocalizedTextRecord(): Record<ShopLanguage, string> {
+    return {
+      it: '',
+      en: '',
+      de: '',
+      fr: '',
+    };
+  }
+
   private slugify(source: string): string {
     return source
       .normalize('NFD')

frontend/src/app/features/admin/services/admin-operations.service.ts

@@ -32,6 +32,10 @@ export interface AdminFilamentVariant {
   materialTechnicalTypeLabel?: string;
   variantDisplayName: string;
   colorName: string;
+  colorLabelIt: string;
+  colorLabelEn: string;
+  colorLabelDe: string;
+  colorLabelFr: string;
   colorHex?: string;
   finishType?: string;
   brand?: string;
@@ -57,6 +61,10 @@ export interface AdminUpsertFilamentVariantPayload {
   materialTypeId: number;
   variantDisplayName: string;
   colorName: string;
+  colorLabelIt?: string;
+  colorLabelEn?: string;
+  colorLabelDe?: string;
+  colorLabelFr?: string;
   colorHex?: string;
   finishType?: string;
   brand?: string;

frontend/src/app/features/admin/services/admin-shop.service.ts

@@ -30,9 +30,25 @@ export interface AdminShopCategory {
   parentCategoryName: string | null;
   slug: string;
   name: string;
+  nameIt: string;
+  nameEn: string;
+  nameDe: string;
+  nameFr: string;
   description: string | null;
+  descriptionIt: string | null;
+  descriptionEn: string | null;
+  descriptionDe: string | null;
+  descriptionFr: string | null;
   seoTitle: string | null;
+  seoTitleIt: string | null;
+  seoTitleEn: string | null;
+  seoTitleDe: string | null;
+  seoTitleFr: string | null;
   seoDescription: string | null;
+  seoDescriptionIt: string | null;
+  seoDescriptionEn: string | null;
+  seoDescriptionDe: string | null;
+  seoDescriptionFr: string | null;
   ogTitle: string | null;
   ogDescription: string | null;
   indexable: boolean;
@@ -54,9 +70,25 @@ export interface AdminUpsertShopCategoryPayload {
   parentCategoryId?: string | null;
   slug: string;
   name: string;
+  nameIt: string;
+  nameEn: string;
+  nameDe: string;
+  nameFr: string;
   description?: string;
+  descriptionIt?: string;
+  descriptionEn?: string;
+  descriptionDe?: string;
+  descriptionFr?: string;
   seoTitle?: string;
+  seoTitleIt?: string;
+  seoTitleEn?: string;
+  seoTitleDe?: string;
+  seoTitleFr?: string;
   seoDescription?: string;
+  seoDescriptionIt?: string;
+  seoDescriptionEn?: string;
+  seoDescriptionDe?: string;
+  seoDescriptionFr?: string;
   ogTitle?: string;
   ogDescription?: string;
   indexable: boolean;
@@ -69,6 +101,10 @@ export interface AdminShopProductVariant {
   sku: string | null;
   variantLabel: string;
   colorName: string;
+  colorLabelIt: string;
+  colorLabelEn: string;
+  colorLabelDe: string;
+  colorLabelFr: string;
   colorHex: string | null;
   internalMaterialCode: string;
   priceChf: number;
@@ -170,6 +206,10 @@ export interface AdminUpsertShopProductVariantPayload {
   sku?: string;
   variantLabel?: string;
   colorName: string;
+  colorLabelIt?: string;
+  colorLabelEn?: string;
+  colorLabelDe?: string;
+  colorLabelFr?: string;
   colorHex?: string;
   internalMaterialCode: string;
   priceChf: number;

frontend/src/app/features/calculator/services/quote-estimator.service.ts

@@ -75,6 +75,10 @@ export interface VariantOption {
   id: number;
   name: string;
   colorName: string;
+  colorLabelIt?: string;
+  colorLabelEn?: string;
+  colorLabelDe?: string;
+  colorLabelFr?: string;
   hexColor: string;
   finishType: string;
   stockSpools: number;

frontend/src/app/features/checkout/checkout.component.ts

@@ -25,8 +25,8 @@ import { StlViewerComponent } from '../../shared/components/stl-viewer/stl-viewe
 import {
   findColorHex,
   getColorHex,
-  getColorLabelToken,
   normalizeColorValue,
+  resolveLocalizedColorLabel,
 } from '../../core/constants/colors.const';
 
 @Component({
@@ -257,7 +257,7 @@ export class CheckoutComponent implements OnInit {
     if (variantLabel) {
       return variantLabel;
     }
-    return getColorLabelToken(item?.shopVariantColorName);
+    return this.localizedShopColorLabel(item);
   }
 
   showItemMaterial(item: any): boolean {
@@ -286,12 +286,7 @@ export class CheckoutComponent implements OnInit {
   }
 
   itemColorLabel(item: any): string {
-    const shopColor = String(item?.shopVariantColorName ?? '').trim();
+    return this.localizedShopColorLabel(item) || String(item?.colorCode ?? '-');
-    if (shopColor) {
-      return getColorLabelToken(shopColor) ?? '-';
-    }
-    const raw = String(item?.colorCode ?? '').trim();
-    return getColorLabelToken(raw) ?? '-';
   }
 
   itemColorSwatch(item: any): string {
@@ -335,6 +330,16 @@ export class CheckoutComponent implements OnInit {
     return !!this.previewLoading()[id];
   }
 
+  private localizedShopColorLabel(item: any): string | null {
+    return resolveLocalizedColorLabel(this.languageService.selectedLang(), {
+      fallback: item?.shopVariantColorName ?? item?.colorCode,
+      it: item?.shopVariantColorLabelIt,
+      en: item?.shopVariantColorLabelEn,
+      de: item?.shopVariantColorLabelDe,
+      fr: item?.shopVariantColorLabelFr,
+    });
+  }
+
   hasPreviewError(item: any): boolean {
     const id = String(item?.id ?? '');
     if (!id) {

frontend/src/app/features/order/order.component.ts

@@ -8,7 +8,7 @@ import { TranslateModule, TranslateService } from '@ngx-translate/core';
 import { environment } from '../../../environments/environment';
 import {
   findColorHex,
-  getColorLabelToken,
+  resolveLocalizedColorLabel,
 } from '../../core/constants/colors.const';
 import {
   PriceBreakdownComponent,
@@ -29,9 +29,17 @@ interface PublicOrderItem {
   shopProductName?: string;
   shopVariantLabel?: string;
   shopVariantColorName?: string;
+  shopVariantColorLabelIt?: string;
+  shopVariantColorLabelEn?: string;
+  shopVariantColorLabelDe?: string;
+  shopVariantColorLabelFr?: string;
   shopVariantColorHex?: string;
   filamentVariantDisplayName?: string;
   filamentColorName?: string;
+  filamentColorLabelIt?: string;
+  filamentColorLabelEn?: string;
+  filamentColorLabelDe?: string;
+  filamentColorLabelFr?: string;
   filamentColorHex?: string;
   quality?: string;
   nozzleDiameterMm?: number;
@@ -282,26 +290,14 @@ export class OrderComponent implements OnInit {
       return variantLabel;
     }
 
-    return getColorLabelToken(item?.shopVariantColorName);
+    return this.localizedColorLabel(item, 'shop');
   }
 
   itemColorLabel(item: PublicOrderItem): string {
-    const shopColor = String(item?.shopVariantColorName ?? '').trim();
-    if (shopColor) {
-      return getColorLabelToken(shopColor) ?? this.translate.instant('ORDER.NOT_AVAILABLE');
-    }
-
-    const filamentColor = String(item?.filamentColorName ?? '').trim();
-    if (filamentColor) {
-      return (
-        getColorLabelToken(filamentColor) ??
-        this.translate.instant('ORDER.NOT_AVAILABLE')
-      );
-    }
-
-    const rawColor = String(item?.colorCode ?? '').trim();
     return (
-      getColorLabelToken(rawColor) ??
+      this.localizedColorLabel(item, 'shop') ||
+      this.localizedColorLabel(item, 'filament') ||
+      String(item?.colorCode ?? '').trim() ||
       this.translate.instant('ORDER.NOT_AVAILABLE')
     );
   }
@@ -333,6 +329,29 @@ export class OrderComponent implements OnInit {
     return !this.isShopItem(item);
   }
 
+  private localizedColorLabel(
+    item: PublicOrderItem,
+    source: 'shop' | 'filament',
+  ): string | null {
+    if (source === 'shop') {
+      return resolveLocalizedColorLabel(this.translate.currentLang, {
+        fallback: item.shopVariantColorName,
+        it: item.shopVariantColorLabelIt,
+        en: item.shopVariantColorLabelEn,
+        de: item.shopVariantColorLabelDe,
+        fr: item.shopVariantColorLabelFr,
+      });
+    }
+
+    return resolveLocalizedColorLabel(this.translate.currentLang, {
+      fallback: item.filamentColorName ?? item.colorCode,
+      it: item.filamentColorLabelIt,
+      en: item.filamentColorLabelEn,
+      de: item.filamentColorLabelDe,
+      fr: item.filamentColorLabelFr,
+    });
+  }
+
   orderKind(order: PublicOrder | null): 'SHOP' | 'CALCULATOR' | 'MIXED' {
     const items = order?.items ?? [];
     const hasShop = items.some((item) => this.isShopItem(item));

frontend/src/app/features/shop/product-detail.component.html

@@ -28,10 +28,7 @@
 
           <div class="detail-grid">
             <section class="visual-column">
-              <div
+              <div class="hero-media">
-                class="hero-media"
-                [class.hero-media--portrait]="selectedImageIsPortrait()"
-              >
                 @if (galleryImages().length > 1) {
                   <button
                     type="button"
@@ -56,7 +53,6 @@
                     [src]="imageUrl"
                     [alt]="selectedImage().altText || p.name"
                     class="hero-image"
-                    (load)="onHeroImageLoad($event)"
                   />
                 } @else {
                   <div class="image-fallback">

frontend/src/app/features/shop/product-detail.component.scss

@@ -107,10 +107,6 @@
   background: #f2eee5;
 }
 
-.hero-media--portrait .hero-image {
-  object-fit: contain;
-}
-
 .image-fallback {
   width: 100%;
   height: 100%;

frontend/src/app/features/shop/product-detail.component.ts

@@ -18,7 +18,6 @@ import { LanguageService } from '../../core/services/language.service';
 import {
   findColorHex,
   getColorHex,
-  getColorLabelToken,
 } from '../../core/constants/colors.const';
 import { AppButtonComponent } from '../../shared/components/app-button/app-button.component';
 import { AppCardComponent } from '../../shared/components/app-card/app-card.component';
@@ -78,9 +77,6 @@ export class ProductDetailComponent {
   readonly product = signal<ShopProductDetail | null>(null);
   readonly selectedVariantId = signal<string | null>(null);
   readonly selectedImageAssetId = signal<string | null>(null);
-  readonly selectedImageOrientation = signal<
-    'portrait' | 'landscape' | 'square' | null
-  >(null);
   readonly quantity = signal(1);
   readonly isAddingToCart = signal(false);
   readonly addSuccess = signal(false);
@@ -198,9 +194,6 @@ export class ProductDetailComponent {
   readonly selectedVariantCartQuantity = computed(() =>
     this.shopService.quantityForVariant(this.selectedVariant()?.id),
   );
-  readonly selectedImageIsPortrait = computed(
-    () => this.selectedImageOrientation() === 'portrait',
-  );
 
   constructor() {
     if (!this.shopService.cartLoaded()) {
@@ -315,25 +308,6 @@ export class ProductDetailComponent {
     this.setSelectedImageAssetId(images[nextIndex].mediaAssetId);
   }
 
-  onHeroImageLoad(event: Event): void {
-    const target = event.target;
-    if (!(target instanceof HTMLImageElement)) {
-      return;
-    }
-
-    if (target.naturalHeight > target.naturalWidth) {
-      this.selectedImageOrientation.set('portrait');
-      return;
-    }
-
-    if (target.naturalWidth > target.naturalHeight) {
-      this.selectedImageOrientation.set('landscape');
-      return;
-    }
-
-    this.selectedImageOrientation.set('square');
-  }
-
   selectVariant(variant: ShopProductVariantOption): void {
     this.selectedVariantId.set(variant.id);
     this.selectedMaterialKey.set(this.materialKeyForVariant(variant));
@@ -407,9 +381,7 @@ export class ProductDetailComponent {
   }
 
   colorLabel(variant: ShopProductVariantOption): string {
-    return (
+    return variant.colorLabel || variant.colorName || variant.variantLabel || '-';
-      getColorLabelToken(variant.colorName || variant.variantLabel) ?? '-'
-    );
   }
 
   colorHex(variant: ShopProductVariantOption | null | undefined): string {
@@ -512,7 +484,6 @@ export class ProductDetailComponent {
 
   private setSelectedImageAssetId(mediaAssetId: string | null): void {
     this.selectedImageAssetId.set(mediaAssetId);
-    this.selectedImageOrientation.set(null);
   }
 
   private normalizeHexColor(value: string | null | undefined): string | null {

frontend/src/app/features/shop/services/shop.service.ts

@@ -55,6 +55,7 @@ export interface ShopProductVariantOption {
   sku: string | null;
   variantLabel: string | null;
   colorName: string | null;
+  colorLabel: string | null;
   colorHex: string | null;
   priceChf: number;
   isDefault: boolean;
@@ -138,6 +139,10 @@ export interface ShopCartItem {
   shopProductName: string | null;
   shopVariantLabel: string | null;
   shopVariantColorName: string | null;
+  shopVariantColorLabelIt?: string | null;
+  shopVariantColorLabelEn?: string | null;
+  shopVariantColorLabelDe?: string | null;
+  shopVariantColorLabelFr?: string | null;
   shopVariantColorHex: string | null;
   materialCode: string | null;
   quality: string | null;

frontend/src/app/features/shop/shop-page.component.ts

@@ -24,7 +24,7 @@ import { SeoService } from '../../core/services/seo.service';
 import { LanguageService } from '../../core/services/language.service';
 import {
   findColorHex,
-  getColorLabelToken,
+  resolveLocalizedColorLabel,
 } from '../../core/constants/colors.const';
 import { AppButtonComponent } from '../../shared/components/app-button/app-button.component';
 import { AppCardComponent } from '../../shared/components/app-card/app-card.component';
@@ -161,15 +161,20 @@ export class ShopPageComponent {
   }
 
   cartItemVariant(item: ShopCartItem): string | null {
-    return (
+    return item.shopVariantLabel || this.cartItemColor(item);
-      item.shopVariantLabel || getColorLabelToken(item.shopVariantColorName)
-    );
   }
 
   cartItemColor(item: ShopCartItem): string | null {
     return (
-      getColorLabelToken(item.shopVariantColorName) ??
+      resolveLocalizedColorLabel(this.languageService.selectedLang(), {
-      getColorLabelToken(item.colorCode)
+        fallback: item.shopVariantColorName ?? item.colorCode,
+        it: item.shopVariantColorLabelIt,
+        en: item.shopVariantColorLabelEn,
+        de: item.shopVariantColorLabelDe,
+        fr: item.shopVariantColorLabelFr,
+      }) ??
+      item.shopVariantColorName ??
+      item.colorCode
     );
   }
 

frontend/src/app/shared/components/color-selector/color-selector.component.ts

@@ -1,14 +1,15 @@
-import { Component, input, output, signal, computed } from '@angular/core';
+import { Component, input, output, signal, computed, inject } from '@angular/core';
 import { CommonModule } from '@angular/common';
 import { TranslateModule } from '@ngx-translate/core';
 import {
   PRODUCT_COLORS,
   getColorHex,
-  getColorLabelToken,
   ColorCategory,
   ColorOption,
+  resolveLocalizedColorLabel,
 } from '../../../core/constants/colors.const';
 import { VariantOption } from '../../../features/calculator/services/quote-estimator.service';
+import { LanguageService } from '../../../core/services/language.service';
 
 @Component({
   selector: 'app-color-selector',
@@ -18,6 +19,7 @@ import { VariantOption } from '../../../features/calculator/services/quote-estim
   styleUrl: './color-selector.component.scss',
 })
 export class ColorSelectorComponent {
+  private readonly languageService = inject(LanguageService);
   selectedColor = input<string>('Black');
   selectedVariantId = input<number | null>(null);
   variants = input<VariantOption[]>([]);
@@ -33,7 +35,14 @@ export class ColorSelectorComponent {
         const finish = v.finishType || 'AVAILABLE_COLORS';
         const bucket = byFinish.get(finish) || [];
         bucket.push({
-          label: getColorLabelToken(v.colorName) ?? v.colorName,
+          label:
+            resolveLocalizedColorLabel(this.languageService.selectedLang(), {
+              fallback: v.colorName,
+              it: v.colorLabelIt,
+              en: v.colorLabelEn,
+              de: v.colorLabelDe,
+              fr: v.colorLabelFr,
+            }) ?? v.colorName,
           value: v.colorName,
           hex: v.hexColor,
           variantId: v.id,