diff --git a/.gitignore b/.gitignore
index 923dc6b..03f3964 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,7 +38,7 @@ yarn-error.log*
 
 # Configuración de desarrollo que puede contener secretos.
 # Es mejor usar "User Secrets" en desarrollo para las claves.
-appsettings.Development.json
+#appsettings.Development.json
 
 # Archivos de publicación de Visual Studio
 [Pp]roperties/[Pp]ublish[Pp]rofiles/
diff --git a/frontend/admin-panel/src/components/Products/ProductModal.tsx b/frontend/admin-panel/src/components/Products/ProductModal.tsx
index 22a82af..1fa97aa 100644
--- a/frontend/admin-panel/src/components/Products/ProductModal.tsx
+++ b/frontend/admin-panel/src/components/Products/ProductModal.tsx
@@ -1,6 +1,7 @@
 import { useState, useEffect } from 'react';
 import type { Product, ProductBundleComponent } from '../../types/Product';
 import type { Company } from '../../types/Company';
+import type { Category } from '../../types/Category';
 import { productService } from '../../services/productService';
 import { X, Save, Layers, Plus, Trash2, AlertCircle, Package } from 'lucide-react';
 import { motion, AnimatePresence } from 'framer-motion';
@@ -8,6 +9,7 @@ import { motion, AnimatePresence } from 'framer-motion';
 interface Props {
   product: Product | null;
   companies: Company[];
+  categories: Category[];
   allProducts: Product[];
   onClose: (refresh?: boolean) => void;
 }
@@ -21,11 +23,12 @@ const PRODUCT_TYPES = [
   { id: 6, code: 'BUNDLE', name: 'Paquete Promocional (Combo)' },
 ];
 
-export default function ProductModal({ product, companies, allProducts, onClose }: Props) {
+export default function ProductModal({ product, companies, categories, allProducts, onClose }: Props) {
   const [formData, setFormData] = useState<Partial<Product>>({
     name: '',
     description: '',
     companyId: 0,
+    categoryId: undefined,
     productTypeId: 4, // Default Physical
     basePrice: 0,
     taxRate: 21,
@@ -169,6 +172,16 @@ export default function ProductModal({ product, companies, allProducts, onClose
                 </select>
               </div>
 
+              <div className="space-y-1.5">
+                <label className="text-[10px] font-black text-slate-400 uppercase tracking-widest ml-1">Rubro Asociado</label>
+                <select className="w-full p-3 bg-slate-50 border-2 border-slate-100 rounded-xl outline-none focus:border-blue-500 font-bold text-sm appearance-none"
+                  value={formData.categoryId || 0} onChange={e => setFormData({ ...formData, categoryId: Number(e.target.value) || undefined })}
+                >
+                  <option value="0">Ninguno (Producto General)</option>
+                  {categories.map(c => <option key={c.id} value={c.id}>{c.name}</option>)}
+                </select>
+              </div>
+
               <div className="space-y-1.5">
                 <label className="text-[10px] font-black text-slate-400 uppercase tracking-widest ml-1">Precio Base ($)</label>
                 <input required type="number" step="0.01" className="w-full p-3 bg-slate-50 border-2 border-slate-100 rounded-xl outline-none focus:border-blue-500 font-black text-sm"
diff --git a/frontend/admin-panel/src/pages/Pricing/PricingManager.tsx b/frontend/admin-panel/src/pages/Pricing/PricingManager.tsx
index 5b58339..509cc52 100644
--- a/frontend/admin-panel/src/pages/Pricing/PricingManager.tsx
+++ b/frontend/admin-panel/src/pages/Pricing/PricingManager.tsx
@@ -4,7 +4,6 @@ import { Save, DollarSign, FileText, Type, AlertCircle } from 'lucide-react';
 import { processCategories, type FlatCategory } from '../../utils/categoryTreeUtils';
 
 interface PricingConfig {
-  basePrice: number;
   baseWordCount: number;
   extraWordPrice: number;
   specialChars: string;
@@ -15,7 +14,7 @@ interface PricingConfig {
 
 // Configuración por defecto
 const defaultConfig: PricingConfig = {
-  basePrice: 0, baseWordCount: 15, extraWordPrice: 0,
+  baseWordCount: 15, extraWordPrice: 0,
   specialChars: '!', specialCharPrice: 0, boldSurcharge: 0, frameSurcharge: 0
 };
 
@@ -113,15 +112,9 @@ export default function PricingManager() {
               </h3>
 
               <div className="space-y-4">
-                <div>
-                  <label className="block text-sm font-medium text-gray-600 mb-1">Precio Mínimo ($)</label>
-                  <div className="relative">
-                    <span className="absolute left-3 top-2 text-gray-500">$</span>
-                    <input type="number" className="pl-6 border p-2 rounded w-full focus:ring-2 focus:ring-blue-500 outline-none"
-                      value={config.basePrice} onChange={e => setConfig({ ...config, basePrice: parseFloat(e.target.value) })} />
-                  </div>
-                  <p className="text-xs text-gray-400 mt-1">Costo por el aviso básico por día.</p>
-                </div>
+                <p className="text-xs text-blue-600 mb-2 bg-blue-50/50 p-2 rounded-lg border border-blue-100">
+                  El Precio Base (Precio Mínimo) ahora se define directamente en los Productos del Catálogo.
+                </p>
 
                 <div className="grid grid-cols-2 gap-4">
                   <div>
diff --git a/frontend/admin-panel/src/pages/Products/ProductManager.tsx b/frontend/admin-panel/src/pages/Products/ProductManager.tsx
index 94d7f52..7de7cb0 100644
--- a/frontend/admin-panel/src/pages/Products/ProductManager.tsx
+++ b/frontend/admin-panel/src/pages/Products/ProductManager.tsx
@@ -2,14 +2,17 @@ import { useState, useEffect } from 'react';
 import { Plus, Search, Edit, Box, Layers } from 'lucide-react';
 import { productService } from '../../../../counter-panel/src/services/productService';
 import { companyService } from '../../../../counter-panel/src/services/companyService';
+import { categoryService } from '../../services/categoryService';
 import type { Product } from '../../../../counter-panel/src/types/Product';
 import type { Company } from '../../../../counter-panel/src/types/Company';
+import type { Category } from '../../types/Category';
 import ProductModal from '../../components/Products/ProductModal';
 import clsx from 'clsx';
 
 export default function ProductManager() {
   const [products, setProducts] = useState<Product[]>([]);
   const [companies, setCompanies] = useState<Company[]>([]);
+  const [categories, setCategories] = useState<Category[]>([]);
   const [loading, setLoading] = useState(true);
   const [searchTerm, setSearchTerm] = useState('');
 
@@ -24,12 +27,14 @@ export default function ProductManager() {
   const loadData = async () => {
     setLoading(true);
     try {
-      const [prodRes, compRes] = await Promise.all([
+      const [prodRes, compRes, catRes] = await Promise.all([
         productService.getAll(),
-        companyService.getAll()
+        companyService.getAll(),
+        categoryService.getAll()
       ]);
       setProducts(prodRes);
       setCompanies(compRes);
+      setCategories(catRes);
     } catch (error) {
       console.error("Error cargando catálogo", error);
     } finally {
@@ -150,6 +155,7 @@ export default function ProductManager() {
         <ProductModal
           product={editingProduct}
           companies={companies}
+          categories={categories}
           allProducts={products} // Pasamos todos los productos para poder armar combos
           onClose={handleModalClose}
         />
diff --git a/frontend/admin-panel/src/types/Product.ts b/frontend/admin-panel/src/types/Product.ts
index a70f789..be1d0a2 100644
--- a/frontend/admin-panel/src/types/Product.ts
+++ b/frontend/admin-panel/src/types/Product.ts
@@ -2,6 +2,7 @@ export interface Product {
   id: number;
   companyId: number;
   productTypeId: number; // 1:Classified, 2:Graphic, 3:Radio, 4:Physical, 5:Service, 6:Bundle
+  categoryId?: number; // Para relacionarlo a un rubro
   name: string;
   description?: string;
   sku?: string;
diff --git a/frontend/counter-panel/src/components/POS/AdEditorModal.tsx b/frontend/counter-panel/src/components/POS/AdEditorModal.tsx
index ea31a36..9814fac 100644
--- a/frontend/counter-panel/src/components/POS/AdEditorModal.tsx
+++ b/frontend/counter-panel/src/components/POS/AdEditorModal.tsx
@@ -10,6 +10,7 @@ interface AdEditorModalProps {
   onClose: () => void;
   onConfirm: (listingId: number, price: number, description: string) => void;
   clientId: number | null; // El aviso se vinculará a este cliente
+  productId: number; // Necesario para el precio base
 }
 
 interface PricingResult {
@@ -18,7 +19,7 @@ interface PricingResult {
   details: string;
 }
 
-export default function AdEditorModal({ isOpen, onClose, onConfirm, clientId }: AdEditorModalProps) {
+export default function AdEditorModal({ isOpen, onClose, onConfirm, clientId, productId }: AdEditorModalProps) {
   const [flatCategories, setFlatCategories] = useState<FlatCategory[]>([]);
   const [operations, setOperations] = useState<any[]>([]);
   const [loading, setLoading] = useState(false);
@@ -72,6 +73,7 @@ export default function AdEditorModal({ isOpen, onClose, onConfirm, clientId }:
       try {
         const res = await api.post('/pricing/calculate', {
           categoryId: parseInt(categoryId),
+          productId: productId,
           text: debouncedText,
           days: days,
           isBold: styles.isBold,
diff --git a/frontend/counter-panel/src/pages/FastEntryPage.tsx b/frontend/counter-panel/src/pages/FastEntryPage.tsx
index e9a0d31..14a934e 100644
--- a/frontend/counter-panel/src/pages/FastEntryPage.tsx
+++ b/frontend/counter-panel/src/pages/FastEntryPage.tsx
@@ -240,6 +240,7 @@ export default function FastEntryPage() {
       try {
         const res = await api.post('/pricing/calculate', {
           categoryId: parseInt(formData.categoryId),
+          productId: 0, // En FastEntry no hay producto aún
           text: debouncedText || "",
           days: formData.days,
           isBold: options.isBold,
diff --git a/frontend/counter-panel/src/pages/UniversalPosPage.tsx b/frontend/counter-panel/src/pages/UniversalPosPage.tsx
index 98bd55f..e2327df 100644
--- a/frontend/counter-panel/src/pages/UniversalPosPage.tsx
+++ b/frontend/counter-panel/src/pages/UniversalPosPage.tsx
@@ -310,6 +310,7 @@ export default function UniversalPosPage() {
           onClose={() => setShowAdEditor(false)}
           onConfirm={handleAdConfirmed}
           clientId={clientId || 1005}
+          productId={selectedAdProduct?.id || 0}
         />
       )}
 
diff --git a/frontend/counter-panel/src/types/Product.ts b/frontend/counter-panel/src/types/Product.ts
index a70f789..be1d0a2 100644
--- a/frontend/counter-panel/src/types/Product.ts
+++ b/frontend/counter-panel/src/types/Product.ts
@@ -2,6 +2,7 @@ export interface Product {
   id: number;
   companyId: number;
   productTypeId: number; // 1:Classified, 2:Graphic, 3:Radio, 4:Physical, 5:Service, 6:Bundle
+  categoryId?: number; // Para relacionarlo a un rubro
   name: string;
   description?: string;
   sku?: string;
diff --git a/src/SIGCM.API/appsettings.Development.json b/src/SIGCM.API/appsettings.Development.json
new file mode 100644
index 0000000..0c208ae
--- /dev/null
+++ b/src/SIGCM.API/appsettings.Development.json
@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}
diff --git a/src/SIGCM.Application/DTOs/PricingDtos.cs b/src/SIGCM.Application/DTOs/PricingDtos.cs
index 7451b33..73518e6 100644
--- a/src/SIGCM.Application/DTOs/PricingDtos.cs
+++ b/src/SIGCM.Application/DTOs/PricingDtos.cs
@@ -3,6 +3,7 @@ namespace SIGCM.Application.DTOs;
 public class CalculatePriceRequest
 {
   public int CategoryId { get; set; }
+  public int ProductId { get; set; } // Añadido para obtener el Precio Base
   public required string Text { get; set; }
   public int Days { get; set; }
   public bool IsBold { get; set; }
diff --git a/src/SIGCM.Domain/Entities/CategoryPricing.cs b/src/SIGCM.Domain/Entities/CategoryPricing.cs
index 8439210..36bd351 100644
--- a/src/SIGCM.Domain/Entities/CategoryPricing.cs
+++ b/src/SIGCM.Domain/Entities/CategoryPricing.cs
@@ -4,7 +4,6 @@ public class CategoryPricing
 {
   public int Id { get; set; }
   public int CategoryId { get; set; }
-  public decimal BasePrice { get; set; }
   public int BaseWordCount { get; set; }
   public decimal ExtraWordPrice { get; set; }
   public string SpecialChars { get; set; } = "!";
diff --git a/src/SIGCM.Domain/Entities/Product.cs b/src/SIGCM.Domain/Entities/Product.cs
index f774efb..55e627e 100644
--- a/src/SIGCM.Domain/Entities/Product.cs
+++ b/src/SIGCM.Domain/Entities/Product.cs
@@ -5,6 +5,7 @@ public class Product
   public int Id { get; set; }
   public int CompanyId { get; set; }
   public int ProductTypeId { get; set; }
+  public int? CategoryId { get; set; } // Propiedad agregada: Vínculo con Rubro
   public required string Name { get; set; }
   public string? Description { get; set; }
   public string? SKU { get; set; }
diff --git a/src/SIGCM.Infrastructure/Data/DbInitializer.cs b/src/SIGCM.Infrastructure/Data/DbInitializer.cs
index ef8f713..0c51252 100644
--- a/src/SIGCM.Infrastructure/Data/DbInitializer.cs
+++ b/src/SIGCM.Infrastructure/Data/DbInitializer.cs
@@ -121,6 +121,30 @@ END
 
         // --- MIGRACIONES (Schema Update) ---
         var migrationSql = @"
+            -- Products Columns
+            IF NOT EXISTS(SELECT * FROM sys.columns WHERE Name = N'CategoryId' AND Object_ID = Object_ID(N'Products'))
+            BEGIN
+                ALTER TABLE Products ADD CategoryId INT NULL;
+                -- Agregar clave foránea opcionalmente
+                ALTER TABLE Products ADD CONSTRAINT FK_Products_Categories FOREIGN KEY (CategoryId) REFERENCES Categories(Id);
+            END
+
+            -- CategoryPricing Columns
+            IF EXISTS(SELECT * FROM sys.columns WHERE Name = N'BasePrice' AND Object_ID = Object_ID(N'CategoryPricing'))
+            BEGIN
+                -- Drop the default constraint before dropping the column.
+                -- By finding the constraint dynamically:
+                DECLARE @ConstraintName nvarchar(200)
+                SELECT @ConstraintName = Name FROM sys.default_constraints
+                WHERE parent_object_id = object_id('CategoryPricing')
+                AND parent_column_id = columnproperty(object_id('CategoryPricing'), 'BasePrice', 'ColumnId')
+                
+                IF @ConstraintName IS NOT NULL
+                    EXEC('ALTER TABLE CategoryPricing DROP CONSTRAINT ' + @ConstraintName)
+
+                ALTER TABLE CategoryPricing DROP COLUMN BasePrice;
+            END
+
             -- Listings Columns
             IF NOT EXISTS(SELECT * FROM sys.columns WHERE Name = N'PublicationStartDate' AND Object_ID = Object_ID(N'Listings'))
                 ALTER TABLE Listings ADD PublicationStartDate DATETIME2 NULL;
diff --git a/src/SIGCM.Infrastructure/Repositories/PricingRepository.cs b/src/SIGCM.Infrastructure/Repositories/PricingRepository.cs
index eca9f6e..554ea06 100644
--- a/src/SIGCM.Infrastructure/Repositories/PricingRepository.cs
+++ b/src/SIGCM.Infrastructure/Repositories/PricingRepository.cs
@@ -31,7 +31,7 @@ public class PricingRepository
     {
       var updateSql = @"
                 UPDATE CategoryPricing 
-                SET BasePrice = @BasePrice, BaseWordCount = @BaseWordCount, 
+                SET BaseWordCount = @BaseWordCount, 
                     ExtraWordPrice = @ExtraWordPrice, SpecialChars = @SpecialChars,
                     SpecialCharPrice = @SpecialCharPrice, BoldSurcharge = @BoldSurcharge,
                     FrameSurcharge = @FrameSurcharge
@@ -42,9 +42,9 @@ public class PricingRepository
     {
       var insertSql = @"
                 INSERT INTO CategoryPricing 
-                (CategoryId, BasePrice, BaseWordCount, ExtraWordPrice, SpecialChars, SpecialCharPrice, BoldSurcharge, FrameSurcharge)
+                (CategoryId, BaseWordCount, ExtraWordPrice, SpecialChars, SpecialCharPrice, BoldSurcharge, FrameSurcharge)
                 VALUES 
-                (@CategoryId, @BasePrice, @BaseWordCount, @ExtraWordPrice, @SpecialChars, @SpecialCharPrice, @BoldSurcharge, @FrameSurcharge)";
+                (@CategoryId, @BaseWordCount, @ExtraWordPrice, @SpecialChars, @SpecialCharPrice, @BoldSurcharge, @FrameSurcharge)";
       await conn.ExecuteAsync(insertSql, pricing);
     }
   }
diff --git a/src/SIGCM.Infrastructure/Repositories/ProductRepository.cs b/src/SIGCM.Infrastructure/Repositories/ProductRepository.cs
index 4873320..5f1830b 100644
--- a/src/SIGCM.Infrastructure/Repositories/ProductRepository.cs
+++ b/src/SIGCM.Infrastructure/Repositories/ProductRepository.cs
@@ -47,8 +47,8 @@ public class ProductRepository : IProductRepository
   {
     using var conn = _db.CreateConnection();
     var sql = @"
-            INSERT INTO Products (CompanyId, ProductTypeId, Name, Description, SKU, BasePrice, TaxRate, IsActive)
-            VALUES (@CompanyId, @ProductTypeId, @Name, @Description, @SKU, @BasePrice, @TaxRate, @IsActive);
+            INSERT INTO Products (CompanyId, ProductTypeId, CategoryId, Name, Description, SKU, BasePrice, TaxRate, IsActive)
+            VALUES (@CompanyId, @ProductTypeId, @CategoryId, @Name, @Description, @SKU, @BasePrice, @TaxRate, @IsActive);
             SELECT CAST(SCOPE_IDENTITY() as int);";
     return await conn.QuerySingleAsync<int>(sql, product);
   }
@@ -58,7 +58,7 @@ public class ProductRepository : IProductRepository
     using var conn = _db.CreateConnection();
     var sql = @"
             UPDATE Products 
-            SET Name = @Name, Description = @Description, BasePrice = @BasePrice, TaxRate = @TaxRate, IsActive = @IsActive
+            SET CategoryId = @CategoryId, Name = @Name, Description = @Description, BasePrice = @BasePrice, TaxRate = @TaxRate, IsActive = @IsActive
             WHERE Id = @Id";
     await conn.ExecuteAsync(sql, product);
   }
diff --git a/src/SIGCM.Infrastructure/Services/PricingService.cs b/src/SIGCM.Infrastructure/Services/PricingService.cs
index 41c9406..9900870 100644
--- a/src/SIGCM.Infrastructure/Services/PricingService.cs
+++ b/src/SIGCM.Infrastructure/Services/PricingService.cs
@@ -10,15 +10,25 @@ public class PricingService
 {
   private readonly PricingRepository _repo;
   private readonly ICouponRepository _couponRepo;
+  private readonly IProductRepository _productRepo;
 
-  public PricingService(PricingRepository repo, ICouponRepository couponRepo)
+  public PricingService(PricingRepository repo, ICouponRepository couponRepo, IProductRepository productRepo)
   {
     _repo = repo;
     _couponRepo = couponRepo;
+    _productRepo = productRepo;
   }
 
   public async Task<CalculatePriceResponse> CalculateAsync(CalculatePriceRequest request)
   {
+    // 0. Obtener el Producto para saber el Precio Base
+    var product = await _productRepo.GetByIdAsync(request.ProductId);
+    if (product == null) return new CalculatePriceResponse
+    {
+      TotalPrice = 0,
+      Details = "Producto no encontrado."
+    };
+
     // 1. Obtener Reglas
     var pricing = await _repo.GetByCategoryIdAsync(request.CategoryId);
 
@@ -44,7 +54,10 @@ public class PricingService
     int realWordCount = words.Length;
 
     // 3. Costo Base y Excedente
-    decimal currentCost = pricing.BasePrice; // Precio base incluye N palabras
+    // Obtenemos el precio actual del producto vigenciado, fallback a BasePrice (usando el repo)
+    decimal productBasePrice = await _productRepo.GetCurrentPriceAsync(request.ProductId, request.StartDate == default ? DateTime.UtcNow : request.StartDate);
+    decimal currentCost = productBasePrice; // Precio base incluye N palabras
+
 
     // ¿Cuántas palabras extra cobramos?
     // Nota: Los caracteres especiales se cobran aparte según tu requerimiento, 
@@ -132,7 +145,7 @@ public class PricingService
     return new CalculatePriceResponse
     {
       TotalPrice = Math.Max(0, totalBeforeDiscount - totalDiscount),
-      BaseCost = pricing.BasePrice * request.Days,
+      BaseCost = productBasePrice * request.Days,
       ExtraCost = (extraWordCost + specialCharCost) * request.Days,
       Surcharges = ((request.IsBold ? pricing.BoldSurcharge : 0) + (request.IsFrame ? pricing.FrameSurcharge : 0) + (request.IsFeatured ? featuredSurcharge : 0)) * request.Days,
       Discount = totalDiscount,