Restructure with Turborepo

2026-07-06 15:51:53 +02:00
parent f66cafbbc3
commit 190b3d163d
277 changed files with 53253 additions and 0 deletions
@@ -0,0 +1,17 @@
+PORT=3001
+SESSION_SECRET=change-me-in-production
+CORS_ORIGIN=http://localhost:3000
+FARMACIAS_WEBHOOK_URL=
+REDIS_HOST=localhost
+REDIS_PORT=6379
+REDIS_PASSWORD=
+
+# PostgreSQL for user accounts (leave unset to fallback to SQLite — dev/test only)
+PG_URL=postgresql://farmaclic:change-me@localhost:5432/farmaclic
+PG_PASSWORD=change-me
+
+# Web Push (VAPID). Generate with:
+#   node -e "import('web-push').then(w => console.log(w.default.generateVAPIDKeys()))"
+VAPID_PUBLIC_KEY=
+VAPID_PRIVATE_KEY=
+VAPID_SUBJECT=mailto:admin@example.com
@@ -0,0 +1,10 @@
+FROM node:18-slim
+WORKDIR /app
+COPY backend/package*.json ./
+RUN apt-get update && apt-get install -y --no-install-recommends python3 make g++ && rm -rf /var/lib/apt/lists/*
+RUN npm ci --omit=dev
+COPY backend/ .
+COPY API/ /API/
+RUN mkdir -p /app/data
+EXPOSE 3001
+CMD ["node", "server.js"]
@@ -0,0 +1,144 @@
+# 🔧 Solución Rápida - Error: no such column: medicine_id
+
+## ❌ El Error
+
+```
+Error: SQLITE_ERROR: no such column: medicine_id
+```
+
+Este error ocurre porque la base de datos tiene la estructura antigua que usa `medicine_id`, pero el código actualizado ahora usa `medicine_nregistro`.
+
+## ✅ Soluciones
+
+### Opción 1: Reset Completo (Recomendado para desarrollo)
+
+**Esto eliminará todos los datos actuales:**
+
+```bash
+cd backend
+
+# Método 1: Usando el script
+npm run reset-db
+
+# Método 2: Manual
+rm database.sqlite
+node seed.js
+node create-admin.js
+```
+
+### Opción 2: Migración (Mantiene farmacias, pierde vínculos medicamento-farmacia)
+
+```bash
+cd backend
+node migrate.js
+```
+
+**Nota:** Esta opción mantiene las farmacias pero elimina las relaciones medicamento-farmacia porque ahora usan un esquema diferente (nregistro de CIMA en lugar de IDs locales).
+
+### Opción 3: Manual con SQLite
+
+Si quieres más control:
+
+```bash
+cd backend
+sqlite3 database.sqlite
+
+# Dentro de SQLite:
+DROP TABLE IF EXISTS pharmacy_medicines;
+DROP INDEX IF EXISTS idx_pharmacy_medicine;
+
+CREATE TABLE pharmacy_medicines (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  pharmacy_id INTEGER NOT NULL,
+  medicine_nregistro TEXT NOT NULL,
+  medicine_name TEXT,
+  price REAL,
+  stock INTEGER DEFAULT 0,
+  FOREIGN KEY (pharmacy_id) REFERENCES pharmacies(id),
+  UNIQUE(pharmacy_id, medicine_nregistro)
+);
+
+CREATE INDEX idx_pharmacy_medicine ON pharmacy_medicines(medicine_nregistro);
+
+.quit
+```
+
+## 🔍 Verificar la Estructura
+
+Para verificar que la base de datos tiene la estructura correcta:
+
+```bash
+cd backend
+sqlite3 database.sqlite "PRAGMA table_info(pharmacy_medicines);"
+```
+
+**Salida esperada:**
+```
+0|id|INTEGER|0||1
+1|pharmacy_id|INTEGER|1||0
+2|medicine_nregistro|TEXT|1||0
+3|medicine_name|TEXT|0||0
+4|price|REAL|0||0
+5|stock|INTEGER|0|0|0
+```
+
+## 🚀 Después de la Corrección
+
+1. **Verifica que Redis esté corriendo:**
+   ```bash
+   redis-cli ping
+   # Debe responder: PONG
+   ```
+
+2. **Inicia el servidor:**
+   ```bash
+   cd backend
+   npm start
+   ```
+
+3. **Vincula medicamentos en el Admin Panel:**
+   - Ve a http://localhost:3000
+   - Haz login en el Admin Panel
+   - Ve a la pestaña "Link Medicine"
+   - Busca medicamentos desde CIMA
+   - Vincúlalos a tus farmacias
+
+## 📝 ¿Por qué cambió?
+
+La aplicación ahora usa la **API oficial de CIMA** (Agencia Española de Medicamentos) en lugar de almacenar medicamentos localmente. 
+
+**Beneficios:**
+- ✅ Datos siempre actualizados
+- ✅ Más de 30,000 medicamentos disponibles
+- ✅ Información oficial y verificada
+- ✅ Menos mantenimiento de base de datos
+
+**Estructura anterior:**
+```
+pharmacy_medicines
+  - medicine_id → ID local en tabla medicines
+```
+
+**Estructura nueva:**
+```
+pharmacy_medicines
+  - medicine_nregistro → Número de registro de CIMA
+  - medicine_name → Nombre cacheado para mostrar
+```
+
+## 💡 Preguntas Frecuentes
+
+**P: ¿Perderé mis farmacias?**  
+R: No, las farmacias se mantienen. Solo necesitas re-vincular los medicamentos.
+
+**P: ¿Perderé los vínculos medicamento-farmacia?**  
+R: Sí, porque ahora usan un sistema diferente (nregistros de CIMA). Tendrás que re-vincularlos usando el panel de admin.
+
+**P: ¿Y si tengo muchos vínculos?**  
+R: La migración vale la pena por los beneficios a largo plazo. La re-vinculación es fácil con la búsqueda en tiempo real desde CIMA.
+
+## 📚 Más Información
+
+- Ver [MIGRATION.md](./MIGRATION.md) para guía completa de migración
+- Ver [CHANGES.md](./CHANGES.md) para lista de todos los cambios
+- Ver [README.md](./README.md) para documentación general
@@ -0,0 +1,87 @@
+import { parseOsmOpeningHours } from '../../API/opening-hours-osm.js';
+
+describe('parseOsmOpeningHours', () => {
+  test('returns null for empty / non-string input', () => {
+    expect(parseOsmOpeningHours('')).toBeNull();
+    expect(parseOsmOpeningHours(null)).toBeNull();
+    expect(parseOsmOpeningHours(undefined)).toBeNull();
+    expect(parseOsmOpeningHours(123)).toBeNull();
+  });
+
+  test('24/7 → every day 00:00–24:00', () => {
+    expect(parseOsmOpeningHours('24/7')).toEqual({
+      mon: ['00:00', '24:00'],
+      tue: ['00:00', '24:00'],
+      wed: ['00:00', '24:00'],
+      thu: ['00:00', '24:00'],
+      fri: ['00:00', '24:00'],
+      sat: ['00:00', '24:00'],
+      sun: ['00:00', '24:00'],
+    });
+  });
+
+  test('Mo-Fr 09:00-21:00 → weekdays set, weekend null', () => {
+    const result = parseOsmOpeningHours('Mo-Fr 09:00-21:00');
+    expect(result.mon).toEqual(['09:00', '21:00']);
+    expect(result.fri).toEqual(['09:00', '21:00']);
+    expect(result.sat).toBeNull();
+    expect(result.sun).toBeNull();
+  });
+
+  test('Multiple rules separated by semicolons', () => {
+    const result = parseOsmOpeningHours('Mo-Fr 09:00-21:00; Sa 09:00-14:00; Su closed');
+    expect(result.mon).toEqual(['09:00', '21:00']);
+    expect(result.fri).toEqual(['09:00', '21:00']);
+    expect(result.sat).toEqual(['09:00', '14:00']);
+    expect(result.sun).toBeNull();
+  });
+
+  test('Comma-separated day list', () => {
+    const result = parseOsmOpeningHours('Mo,We,Fr 10:00-14:00');
+    expect(result.mon).toEqual(['10:00', '14:00']);
+    expect(result.tue).toBeNull();
+    expect(result.wed).toEqual(['10:00', '14:00']);
+    expect(result.thu).toBeNull();
+    expect(result.fri).toEqual(['10:00', '14:00']);
+  });
+
+  test('Split shifts collapsed to first-open / last-close', () => {
+    const result = parseOsmOpeningHours('Mo-Fr 09:00-13:30,16:30-20:00');
+    expect(result.mon).toEqual(['09:00', '20:00']);
+    expect(result.fri).toEqual(['09:00', '20:00']);
+  });
+
+  test('Wrap-around day range Sa-Mo', () => {
+    const result = parseOsmOpeningHours('Sa-Mo 10:00-18:00');
+    expect(result.sat).toEqual(['10:00', '18:00']);
+    expect(result.sun).toEqual(['10:00', '18:00']);
+    expect(result.mon).toEqual(['10:00', '18:00']);
+    expect(result.tue).toBeNull();
+  });
+
+  test('Public-holiday rules are ignored', () => {
+    const result = parseOsmOpeningHours('Mo-Fr 09:00-21:00; PH off');
+    expect(result.mon).toEqual(['09:00', '21:00']);
+  });
+
+  test('Parenthetical comments are stripped', () => {
+    const result = parseOsmOpeningHours('Mo-Fr 09:00-14:00 (verano)');
+    expect(result.mon).toEqual(['09:00', '14:00']);
+  });
+
+  test('"off" applies null to those days', () => {
+    const result = parseOsmOpeningHours('Mo-Fr 09:00-21:00; Sa off');
+    expect(result.sat).toBeNull();
+    expect(result.mon).toEqual(['09:00', '21:00']);
+  });
+
+  test('Returns null when nothing parses', () => {
+    expect(parseOsmOpeningHours('see website')).toBeNull();
+    expect(parseOsmOpeningHours('?')).toBeNull();
+  });
+
+  test('Single-digit hours get zero-padded', () => {
+    const result = parseOsmOpeningHours('Mo 9:00-18:00');
+    expect(result.mon).toEqual(['09:00', '18:00']);
+  });
+});
@@ -0,0 +1,80 @@
+import { jest } from '@jest/globals'
+
+jest.unstable_mockModule('../cima-service.js', () => ({
+  searchMedicines: jest.fn(async () => []),
+  getMedicineDetails: jest.fn(async () => null),
+}))
+
+jest.unstable_mockModule('../farmacias-webhook-import.js', () => ({
+  runFarmaciaWebhookImport: jest.fn(async () => ({})),
+  DEFAULT_FARMACIAS_WEBHOOK: '',
+  importPharmaciesFromRows: jest.fn(async () => ({})),
+}))
+
+jest.unstable_mockModule('../../API/index.js', () => ({
+  fetchPharmaciesExternal: jest.fn(async () => []),
+}))
+
+process.env.DATABASE_PATH = ':memory:'
+process.env.NODE_ENV = 'test'
+
+const { default: supertest } = await import('supertest')
+const { app, initDatabase, db } = await import('../server.js')
+const { default: bcrypt } = await import('bcrypt')
+
+beforeAll(async () => {
+  await initDatabase()
+  const hash = await bcrypt.hash('testpass', 10)
+  await new Promise((resolve, reject) => {
+    db.run(
+      'INSERT INTO users (username, password_hash, is_admin) VALUES (?, ?, 1)',
+      ['testadmin', hash],
+      (err) => (err ? reject(err) : resolve())
+    )
+  })
+})
+
+describe('Medicine search', () => {
+  test('GET /api/medicines/search with empty q returns []', async () => {
+    const res = await supertest(app).get('/api/medicines/search?q=')
+    expect(res.status).toBe(200)
+    expect(res.body).toEqual([])
+  })
+
+  test('GET /api/medicines/search with short q returns array', async () => {
+    const res = await supertest(app).get('/api/medicines/search?q=a')
+    expect(res.status).toBe(200)
+    expect(Array.isArray(res.body)).toBe(true)
+  })
+})
+
+describe('Authentication', () => {
+  test('POST /api/auth/login with wrong creds returns 401', async () => {
+    const res = await supertest(app)
+      .post('/api/auth/login')
+      .send({ username: 'nobody', password: 'wrong' })
+    expect(res.status).toBe(401)
+  })
+})
+
+describe('Admin routes', () => {
+  test('GET /api/admin/medicines without auth returns 401', async () => {
+    const res = await supertest(app).get('/api/admin/medicines')
+    expect(res.status).toBe(401)
+  })
+
+  test('POST /api/admin/pharmacies with valid auth returns 201', async () => {
+    const agent = supertest.agent(app)
+    const login = await agent
+      .post('/api/auth/login')
+      .send({ username: 'testadmin', password: 'testpass' })
+    expect(login.status).toBe(200)
+
+    const res = await agent.post('/api/admin/pharmacies').send({
+      name: 'Test Pharmacy',
+      address: 'Test Street 1',
+    })
+    expect(res.status).toBe(201)
+    expect(res.body).toMatchObject({ name: 'Test Pharmacy', address: 'Test Street 1' })
+  })
+})
@@ -0,0 +1,186 @@
+import axios from 'axios';
+import redisClient from './redis-client.js';
+
+const CIMA_API_BASE_URL = 'https://cima.aemps.es/cima/rest';
+const CACHE_TTL = 3600; // 1 hora en segundos
+
+/**
+ * CIMA's nombre filter is prefix-oriented; narrow to rows that contain every
+ * search term in the commercial name or active ingredient (full-word style).
+ */
+function filterMedicinesByFullQuery(medicines, searchTerm) {
+  const terms = searchTerm
+    .trim()
+    .toLowerCase()
+    .split(/\s+/)
+    .filter(Boolean);
+  if (terms.length === 0) return medicines;
+  return medicines.filter((m) => {
+    const hay = `${m.name || ''} ${m.active_ingredient || ''}`.toLowerCase();
+    return terms.every((term) => hay.includes(term));
+  });
+}
+
+/**
+ * Busca medicamentos en la API de CIMA con caché de Redis
+ * @param {string} query - Término de búsqueda
+ * @returns {Promise<Array>} - Lista de medicamentos encontrados
+ */
+export async function searchMedicines(query) {
+  if (!query || query.trim().length < 2) {
+    return [];
+  }
+
+  const searchTerm = query.trim().toLowerCase();
+  const cacheKey = `medicines:search:v2:${searchTerm}`;
+
+  try {
+    // Intentar obtener del caché
+    const cachedData = await redisClient.get(cacheKey);
+    
+    if (cachedData) {
+      console.log(`📦 Cache hit for: ${searchTerm}`);
+      return JSON.parse(cachedData);
+    }
+
+    // Si no está en caché, consultar la API de CIMA
+    console.log(`🌐 Fetching from CIMA API: ${searchTerm}`);
+    const response = await axios.get(`${CIMA_API_BASE_URL}/medicamentos`, {
+      params: {
+        nombre: searchTerm
+      },
+      timeout: 5000
+    });
+
+    if (response.data && response.data.resultados) {
+      // Transformar los datos de CIMA a nuestro formato
+      const medicines = response.data.resultados.map(med => ({
+        id: med.nregistro,
+        nregistro: med.nregistro,
+        name: med.nombre,
+        active_ingredient: med.vtm?.nombre || null,
+        dosage: med.dosis || null,
+        form: med.formaFarmaceutica?.nombre || null,
+        formSimplified: med.formaFarmaceuticaSimplificada?.nombre || null,
+        laboratory: med.labtitular,
+        prescription: med.cpresc,
+        commercialized: med.comerc,
+        generic: med.generico,
+        photos: med.fotos || [],
+        docs: med.docs || []
+      }));
+
+      const filtered = filterMedicinesByFullQuery(medicines, searchTerm);
+
+      // Guardar en caché
+      await redisClient.setEx(cacheKey, CACHE_TTL, JSON.stringify(filtered));
+      
+      console.log(`✅ Cached ${filtered.length} medicines for: ${searchTerm}`);
+      return filtered;
+    }
+
+    return [];
+  } catch (error) {
+    console.error('Error searching medicines from CIMA:', error.message);
+    
+    // Si falla, intentar devolver datos cacheados aunque hayan expirado
+    try {
+      const staleData = await redisClient.get(cacheKey);
+      if (staleData) {
+        console.log('⚠️ Returning stale cache data due to API error');
+        return JSON.parse(staleData);
+      }
+    } catch (cacheError) {
+      console.error('Cache fallback also failed:', cacheError);
+    }
+    
+    return [];
+  }
+}
+
+/**
+ * Obtiene detalles de un medicamento específico por su número de registro
+ * @param {string} nregistro - Número de registro del medicamento
+ * @returns {Promise<Object|null>} - Datos del medicamento
+ */
+export async function getMedicineDetails(nregistro) {
+  const cacheKey = `medicine:${nregistro}`;
+
+  try {
+    // Intentar obtener del caché
+    const cachedData = await redisClient.get(cacheKey);
+    
+    if (cachedData) {
+      console.log(`📦 Cache hit for medicine: ${nregistro}`);
+      return JSON.parse(cachedData);
+    }
+
+    // Consultar la API de CIMA
+    console.log(`🌐 Fetching medicine details from CIMA: ${nregistro}`);
+    const response = await axios.get(`${CIMA_API_BASE_URL}/medicamento/${nregistro}`, {
+      timeout: 5000
+    });
+
+    if (response.data) {
+      const med = response.data;
+      const medicineDetails = {
+        id: med.nregistro,
+        nregistro: med.nregistro,
+        name: med.nombre,
+        active_ingredient: med.principiosActivos?.[0]?.nombre || med.vtm?.nombre || null,
+        dosage: med.dosis || null,
+        form: med.formaFarmaceutica?.nombre || null,
+        formSimplified: med.formaFarmaceuticaSimplificada?.nombre || null,
+        laboratory: med.labtitular,
+        prescription: med.cpresc,
+        commercialized: med.comerc,
+        generic: med.generico,
+        photos: med.fotos || [],
+        docs: med.docs || [],
+        presentations: med.presentaciones || []
+      };
+
+      // Guardar en caché (TTL más largo para detalles específicos)
+      await redisClient.setEx(cacheKey, CACHE_TTL * 24, JSON.stringify(medicineDetails));
+      
+      return medicineDetails;
+    }
+
+    return null;
+  } catch (error) {
+    console.error(`Error fetching medicine ${nregistro} from CIMA:`, error.message);
+    
+    // Intentar devolver datos cacheados aunque hayan expirado
+    try {
+      const staleData = await redisClient.get(cacheKey);
+      if (staleData) {
+        console.log('⚠️ Returning stale cache data due to API error');
+        return JSON.parse(staleData);
+      }
+    } catch (cacheError) {
+      console.error('Cache fallback also failed:', cacheError);
+    }
+    
+    return null;
+  }
+}
+
+/**
+ * Limpia el caché de búsquedas (útil para testing o mantenimiento)
+ * @param {string} pattern - Patrón de claves a eliminar (ej: 'medicines:search:*')
+ * @returns {Promise<number>} - Número de claves eliminadas
+ */
+export async function clearCache(pattern = 'medicines:*') {
+  try {
+    const keys = await redisClient.keys(pattern);
+    if (keys.length > 0) {
+      await redisClient.del(keys);
+      console.log(`🗑️ Cleared ${keys.length} cache entries`);
+      return keys.length;
+    }
+    return 0;
+  } catch (error) {
+    console.error('Error clearing cache:', error);
+    return 0;
+  }
+}
@@ -0,0 +1,97 @@
+import sqlite3 from 'sqlite3';
+import { promisify } from 'util';
+import bcrypt from 'bcrypt';
+import path from 'path';
+import { fileURLToPath } from 'url';
+import pg from 'pg';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+const PG_URL = process.env.PG_URL;
+
+async function createAdmin() {
+  const username = process.env.ADMIN_USERNAME || 'admin';
+  const password = process.env.ADMIN_PASSWORD || 'admin123';
+  const passwordHash = await bcrypt.hash(password, 10);
+
+  if (PG_URL) {
+    const { Pool } = pg;
+    const pool = new Pool({ connectionString: PG_URL });
+    try {
+      await pool.query(`
+        CREATE TABLE IF NOT EXISTS users (
+          id SERIAL PRIMARY KEY,
+          username TEXT UNIQUE NOT NULL,
+          password_hash TEXT NOT NULL,
+          is_admin INTEGER NOT NULL DEFAULT 0,
+          address TEXT,
+          latitude DOUBLE PRECISION,
+          longitude DOUBLE PRECISION,
+          created_at TIMESTAMPTZ DEFAULT NOW()
+        )
+      `);
+
+      const existing = await pool.query('SELECT id FROM users WHERE username = $1', [username]);
+      if (existing.rows.length > 0) {
+        console.log(`Admin user '${username}' already exists.`);
+        console.log('To reset, delete the user first and re-run.');
+        await pool.end();
+        return;
+      }
+
+      await pool.query(
+        'INSERT INTO users (username, password_hash, is_admin) VALUES ($1, $2, 1)',
+        [username, passwordHash]
+      );
+      console.log(`Admin user '${username}' created in PostgreSQL.`);
+    } finally {
+      await pool.end();
+    }
+  } else {
+    const dbPath = process.env.DATABASE_PATH || path.join(__dirname, 'database.sqlite');
+    const db = new sqlite3.Database(dbPath);
+    const dbRun = (sql, params = []) =>
+      new Promise((resolve, reject) =>
+        db.run(sql, params, function (err) { err ? reject(err) : resolve({ lastID: this.lastID }); })
+      );
+    const dbGet = promisify(db.get.bind(db));
+
+    try {
+      await dbRun(`
+        CREATE TABLE IF NOT EXISTS users (
+          id INTEGER PRIMARY KEY AUTOINCREMENT,
+          username TEXT UNIQUE NOT NULL,
+          password_hash TEXT NOT NULL,
+          created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+        )
+      `);
+      try { await dbRun('ALTER TABLE users ADD COLUMN is_admin INTEGER NOT NULL DEFAULT 0'); } catch {}
+
+      const existing = await dbGet('SELECT id FROM users WHERE username = ?', [username]);
+      if (existing) {
+        console.log(`Admin user '${username}' already exists.`);
+        console.log('To reset, delete the user first and re-run.');
+        db.close();
+        return;
+      }
+
+      await dbRun(
+        'INSERT INTO users (username, password_hash, is_admin) VALUES (?, ?, 1)',
+        [username, passwordHash]
+      );
+      console.log(`Admin user '${username}' created in SQLite.`);
+    } finally {
+      db.close();
+    }
+  }
+
+  console.log(`Username: ${username}`);
+  console.log(`Password: ${password}`);
+  console.log('\nIMPORTANT: Change the default password after first login!');
+}
+
+createAdmin().catch((err) => {
+  console.error('Error creating admin user:', err);
+  process.exit(1);
+});
@@ -0,0 +1,308 @@
+/**
+ * Fetch pharmacy lists from an n8n (or any) HTTP webhook and map into FarmaClic rows.
+ * Default URL: FARMACIAS_WEBHOOK_URL env or the project webhook.
+ */
+
+import { parseOsmOpeningHours } from '../API/opening-hours-osm.js';
+
+export const DEFAULT_FARMACIAS_WEBHOOK =
+  process.env.FARMACIAS_WEBHOOK_URL ||
+  'https://n8n.hacecalor.net/webhook/farmacias';
+
+/**
+ * Append region query params, e.g. GET /webhook/farmacias?lat=41.5631&lon=2.0038&radio=1500
+ * @param {string} baseUrl - Absolute webhook URL (may already include other query params)
+ * @param {{ lat?: number|string, lon?: number|string, lng?: number|string, radio?: number|string }} region
+ */
+export function buildFarmaciasWebhookUrl(baseUrl, region = {}) {
+  const u = new URL(baseUrl);
+  const lat = region.lat;
+  const lon = region.lon ?? region.lng;
+  const radio = region.radio;
+
+  if (lat !== undefined && lat !== null && String(lat).trim() !== '') {
+    u.searchParams.set('lat', String(lat).trim());
+  }
+  if (lon !== undefined && lon !== null && String(lon).trim() !== '') {
+    u.searchParams.set('lon', String(lon).trim());
+  }
+  if (radio !== undefined && radio !== null && String(radio).trim() !== '') {
+    u.searchParams.set('radio', String(radio).trim());
+  }
+  return u.toString();
+}
+
+function pick(obj, keys) {
+  if (!obj || typeof obj !== 'object') return null;
+  for (const k of keys) {
+    if (Object.prototype.hasOwnProperty.call(obj, k)) {
+      const v = obj[k];
+      if (v !== undefined && v !== null && String(v).trim() !== '') {
+        return String(v).trim();
+      }
+    }
+  }
+  return null;
+}
+
+function toNumber(v) {
+  if (v === undefined || v === null || v === '') return null;
+  const n = typeof v === 'number' ? v : parseFloat(String(v).replace(',', '.'));
+  return Number.isFinite(n) ? n : null;
+}
+
+/**
+ * Normalize one raw record (Spanish / English field names, GeoJSON-ish).
+ */
+export function normalizePharmacyRecord(raw) {
+  if (!raw || typeof raw !== 'object') return null;
+  if (raw.json != null && typeof raw.json === 'object' && !Array.isArray(raw.json)) {
+    return normalizePharmacyRecord(raw.json);
+  }
+
+  let name = pick(raw, [
+    'name',
+    'nombre',
+    'farmacia',
+    'titular',
+    'denominacion',
+    'denominación',
+    'razon_social',
+    'razón_social',
+    'title',
+  ]);
+  let address = pick(raw, [
+    'address',
+    'direccion',
+    'dirección',
+    'domicilio',
+    'ubicacion',
+    'ubicación',
+    'calle',
+    'full_address',
+    'direccion_completa',
+  ]);
+  const phone = pick(raw, [
+    'phone',
+    'telefono',
+    'teléfono',
+    'tel',
+    'telephone',
+    'movil',
+    'móvil',
+  ]);
+
+  let latitude = toNumber(raw.latitude ?? raw.latitud ?? raw.lat ?? raw.y);
+  let longitude = toNumber(raw.longitude ?? raw.longitud ?? raw.lng ?? raw.lon ?? raw.x);
+
+  const coords = raw.geometry?.coordinates;
+  if (Array.isArray(coords) && coords.length >= 2) {
+    if (longitude == null) longitude = toNumber(coords[0]);
+    if (latitude == null) latitude = toNumber(coords[1]);
+  }
+  if (raw.location && typeof raw.location === 'object') {
+    if (latitude == null) latitude = toNumber(raw.location.lat ?? raw.location.latitude);
+    if (longitude == null) longitude = toNumber(raw.location.lng ?? raw.location.lon ?? raw.location.longitude);
+  }
+
+  if (!name && pick(raw, ['properties'])) {
+    return normalizePharmacyRecord(raw.properties);
+  }
+
+  if (!address && name) {
+    const parts = [pick(raw, ['localidad', 'city', 'municipio']), pick(raw, ['cp', 'codigo_postal', 'postal_code'])]
+      .filter(Boolean)
+      .join(', ');
+    if (parts) address = parts;
+  }
+
+  return {
+    name: name || null,
+    address: address || null,
+    phone: phone || null,
+    latitude,
+    longitude,
+    opening_hours: extractOpeningHours(raw),
+  };
+}
+
+function extractOpeningHours(raw) {
+  if (!raw || typeof raw !== 'object') return null;
+  const direct = raw.opening_hours;
+  if (direct && typeof direct === 'object' && !Array.isArray(direct)) {
+    return direct;
+  }
+  const candidates = [
+    direct,
+    raw.openingHours,
+    raw.horario,
+    raw.hours,
+    raw.tags?.opening_hours,
+    raw.properties?.opening_hours,
+  ];
+  for (const c of candidates) {
+    if (typeof c === 'string' && c.trim()) {
+      const parsed = parseOsmOpeningHours(c);
+      if (parsed) return parsed;
+    }
+  }
+  return null;
+}
+
+/** n8n often returns [{ json: { ... } }, ...] */
+function unwrapN8nItemArray(arr) {
+  if (!Array.isArray(arr) || arr.length === 0) return arr || [];
+  const first = arr[0];
+  if (
+    first &&
+    typeof first === 'object' &&
+    first.json != null &&
+    typeof first.json === 'object' &&
+    !Array.isArray(first.json)
+  ) {
+    return arr.map((x) => x.json);
+  }
+  return arr;
+}
+
+export function extractPharmacyRows(payload) {
+  if (payload == null) return [];
+  let list = [];
+
+  if (Array.isArray(payload)) list = payload;
+  else if (typeof payload === 'object') {
+    const candidates = [
+      payload.farmacias,
+      payload.data,
+      payload.results,
+      payload.items,
+      payload.rows,
+      payload.records,
+      payload.pharmacies,
+      payload.body,
+      payload.output,
+    ];
+    for (const c of candidates) {
+      if (Array.isArray(c)) {
+        list = c;
+        break;
+      }
+    }
+    if (list.length === 0 && Array.isArray(payload.json)) list = payload.json;
+  }
+
+  return unwrapN8nItemArray(list);
+}
+
+export async function fetchWebhookJson(url, fetchOptions = {}) {
+  const res = await fetch(url, {
+    method: 'GET',
+    headers: { Accept: 'application/json', ...fetchOptions.headers },
+    ...fetchOptions,
+  });
+  const text = await res.text();
+  let json;
+  try {
+    json = text ? JSON.parse(text) : null;
+  } catch {
+    throw new Error(
+      `Webhook returned non-JSON (HTTP ${res.status}): ${text.slice(0, 300)}`
+    );
+  }
+  if (!res.ok) {
+    const hint = json?.message || JSON.stringify(json);
+    throw new Error(`Webhook HTTP ${res.status}: ${hint}`);
+  }
+  return json;
+}
+
+/**
+ * @param {Function} dbGet - (sql, params) => Promise<row|undefined>
+ * @param {Function} dbRun - (sql, params) => Promise<{lastID, changes}>
+ * @param {object[]} rows - raw webhook items
+ */
+/** Insert normalized pharmacy rows; exported for OSM/Google/open-data importers */
+export async function importPharmaciesFromRows(dbGet, dbRun, rows) {
+  let inserted = 0;
+  let skipped = 0;
+  let invalid = 0;
+  const errors = [];
+
+  for (let i = 0; i < rows.length; i++) {
+    const normalized = normalizePharmacyRecord(rows[i]);
+    if (!normalized?.name || !normalized?.address) {
+      invalid++;
+      continue;
+    }
+
+    const { name, address, phone, latitude, longitude, opening_hours } = normalized;
+
+    try {
+      const existing = await dbGet(
+        'SELECT id FROM pharmacies WHERE name = ? AND address = ?',
+        [name, address]
+      );
+      if (existing) {
+        skipped++;
+        continue;
+      }
+
+      const openingHoursValue = opening_hours ? JSON.stringify(opening_hours) : null;
+
+      await dbRun(
+        'INSERT INTO pharmacies (name, address, phone, latitude, longitude, opening_hours) VALUES (?, ?, ?, ?, ?, ?)',
+        [name, address, phone || null, latitude, longitude, openingHoursValue]
+      );
+      inserted++;
+    } catch (err) {
+      errors.push({ index: i, message: err.message });
+    }
+  }
+
+  return { inserted, skipped, invalid, errors };
+}
+
+/**
+ * Full flow: GET webhook → parse rows → insert into DB.
+ * @param {string} [url] - Webhook base URL
+ * @param {{ lat?: number|string, lon?: number|string, lng?: number|string, radio?: number|string } | null} [region] - Optional; adds ?lat=&lon=&radio= (meters)
+ */
+export async function runFarmaciaWebhookImport(
+  dbGet,
+  dbRun,
+  url = DEFAULT_FARMACIAS_WEBHOOK,
+  region = null
+) {
+  const finalUrl =
+    region && (region.lat != null || region.lon != null || region.lng != null || region.radio != null)
+      ? buildFarmaciasWebhookUrl(url, region)
+      : url;
+
+  const json = await fetchWebhookJson(finalUrl);
+  const rows = extractPharmacyRows(json);
+
+  if (rows.length === 0) {
+    const keys = json && typeof json === 'object' ? Object.keys(json).join(', ') : typeof json;
+    const err = new Error(
+      `No pharmacy list found in webhook JSON (top-level keys: ${keys}). ` +
+        `Fix the n8n workflow so the last node returns an array or { data: [...] }.`
+    );
+    err.details = json;
+    throw err;
+  }
+
+  const stats = await importPharmaciesFromRows(dbGet, dbRun, rows);
+  const out = {
+    ...stats,
+    totalReceived: rows.length,
+    webhookUrl: finalUrl,
+  };
+  if (region && (region.lat != null || region.lon != null || region.lng != null || region.radio != null)) {
+    out.region = {
+      lat: region.lat ?? null,
+      lon: region.lon ?? region.lng ?? null,
+      radio: region.radio ?? null,
+    };
+  }
+  return out;
+}
@@ -0,0 +1,104 @@
+#!/usr/bin/env node
+/**
+ * CLI: pull pharmacies from webhook and insert into database.sqlite
+ *
+ *   npm run import-farmacias
+ *   FARMACIAS_WEBHOOK_URL=https://... npm run import-farmacias
+ *
+ * Region (adds ?lat=&lon=&radio= in metres), e.g. your city:
+ *   node import-farmacias.js --lat 41.5631 --lon 2.0038 --radio 1500
+ *   node import-farmacias.js "https://n8n.example/webhook/farmacias" --lat 41.5631 --lon 2.0038 --radio 1500
+ *
+ * Env defaults for region: FARMACIAS_IMPORT_LAT, FARMACIAS_IMPORT_LON, FARMACIAS_IMPORT_RADIO
+ */
+
+import sqlite3 from 'sqlite3';
+import { promisify } from 'util';
+import path from 'path';
+import { fileURLToPath } from 'url';
+import {
+  runFarmaciaWebhookImport,
+  DEFAULT_FARMACIAS_WEBHOOK,
+} from './farmacias-webhook-import.js';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+const dbPath = path.join(__dirname, 'database.sqlite');
+const db = new sqlite3.Database(dbPath);
+
+function dbRun(sql, params = []) {
+  return new Promise((resolve, reject) => {
+    db.run(sql, params, function (err) {
+      if (err) reject(err);
+      else resolve({ lastID: this.lastID, changes: this.changes });
+    });
+  });
+}
+
+const dbGet = promisify(db.get.bind(db));
+
+function parseCli(argv) {
+  const region = {};
+  const positional = [];
+  for (let i = 2; i < argv.length; i++) {
+    const a = argv[i];
+    if (a === '--lat' && argv[i + 1] != null) {
+      region.lat = argv[++i];
+      continue;
+    }
+    if ((a === '--lon' || a === '--lng') && argv[i + 1] != null) {
+      region.lon = argv[++i];
+      continue;
+    }
+    if (a === '--radio' && argv[i + 1] != null) {
+      region.radio = argv[++i];
+      continue;
+    }
+    if (a.startsWith('--')) {
+      console.warn('Unknown flag:', a);
+      continue;
+    }
+    positional.push(a);
+  }
+  if (process.env.FARMACIAS_IMPORT_LAT && region.lat == null) region.lat = process.env.FARMACIAS_IMPORT_LAT;
+  if (process.env.FARMACIAS_IMPORT_LON && region.lon == null) region.lon = process.env.FARMACIAS_IMPORT_LON;
+  if (process.env.FARMACIAS_IMPORT_RADIO && region.radio == null) {
+    region.radio = process.env.FARMACIAS_IMPORT_RADIO;
+  }
+  const url = positional[0] || DEFAULT_FARMACIAS_WEBHOOK;
+  const hasRegion =
+    region.lat != null || region.lon != null || region.radio != null;
+  return { url, region: hasRegion ? region : null };
+}
+
+async function main() {
+  const { url, region } = parseCli(process.argv);
+  console.log('Fetching pharmacies from:', url);
+  if (region) console.log('Region query:', region);
+
+  try {
+    const result = await runFarmaciaWebhookImport(dbGet, dbRun, url, region);
+    console.log('Done.');
+    console.log('  Total rows in response:', result.totalReceived);
+    console.log('  Inserted:', result.inserted);
+    console.log('  Skipped (duplicate name+address):', result.skipped);
+    console.log('  Invalid (missing name or address):', result.invalid);
+    if (result.errors.length) {
+      console.log('  Row errors:', result.errors.length);
+      console.log(result.errors.slice(0, 5));
+    }
+  } catch (e) {
+    console.error('Import failed:', e.message);
+    if (e.message.includes('Unused Respond to Webhook')) {
+      console.error(
+        '\n  Hint: In n8n, connect the Webhook to a single "Respond to Webhook" node, or remove unused ones.'
+      );
+    }
+    process.exitCode = 1;
+  } finally {
+    db.close();
+  }
+}
+
+main();
@@ -0,0 +1,6 @@
+export default {
+  testEnvironment: 'node',
+  transform: {},
+  moduleFileExtensions: ['js', 'json'],
+  testMatch: ['**/__tests__/**/*.test.js'],
+}
@@ -0,0 +1,127 @@
+import sqlite3 from 'sqlite3';
+import path from 'path';
+import { fileURLToPath } from 'url';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+const dbPath = path.join(__dirname, 'database.sqlite');
+const db = new sqlite3.Database(dbPath);
+
+console.log('🔄 Starting database migration...');
+
+// Promisify database operations
+function dbRun(sql, params = []) {
+  return new Promise((resolve, reject) => {
+    db.run(sql, params, function(err) {
+      if (err) reject(err);
+      else resolve({ lastID: this.lastID, changes: this.changes });
+    });
+  });
+}
+
+function dbAll(sql, params = []) {
+  return new Promise((resolve, reject) => {
+    db.all(sql, params, (err, rows) => {
+      if (err) reject(err);
+      else resolve(rows);
+    });
+  });
+}
+
+async function migrate() {
+  try {
+    // Check if old medicines table exists
+    const tables = await dbAll(`
+      SELECT name FROM sqlite_master 
+      WHERE type='table' AND name='medicines'
+    `);
+
+    if (tables.length > 0) {
+      console.log('📋 Found old medicines table');
+      
+      // Check if we need to migrate pharmacy_medicines
+      const columns = await dbAll(`PRAGMA table_info(pharmacy_medicines)`);
+      const hasMedicineId = columns.some(col => col.name === 'medicine_id');
+      const hasNregistro = columns.some(col => col.name === 'medicine_nregistro');
+
+      if (hasMedicineId && !hasNregistro) {
+        console.log('🔄 Migrating pharmacy_medicines table...');
+        
+        // Create new table with updated schema
+        await dbRun(`
+          CREATE TABLE pharmacy_medicines_new (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            pharmacy_id INTEGER NOT NULL,
+            medicine_nregistro TEXT NOT NULL,
+            medicine_name TEXT,
+            price REAL,
+            stock INTEGER DEFAULT 0,
+            FOREIGN KEY (pharmacy_id) REFERENCES pharmacies(id),
+            UNIQUE(pharmacy_id, medicine_nregistro)
+          )
+        `);
+
+        console.log('✅ Created new pharmacy_medicines table');
+        
+        // Copy data if any exists (though it will be invalid without nregistro)
+        const oldData = await dbAll('SELECT * FROM pharmacy_medicines');
+        console.log(`📦 Found ${oldData.length} old pharmacy-medicine relationships`);
+        
+        if (oldData.length > 0) {
+          console.log('⚠️  Warning: Old medicine relationships will be lost.');
+          console.log('   You will need to re-link medicines using the CIMA database.');
+        }
+        
+        // Drop old table
+        await dbRun('DROP TABLE pharmacy_medicines');
+        
+        // Rename new table
+        await dbRun('ALTER TABLE pharmacy_medicines_new RENAME TO pharmacy_medicines');
+        
+        console.log('✅ Migrated pharmacy_medicines table');
+      } else if (hasNregistro) {
+        console.log('✅ pharmacy_medicines table already migrated');
+      }
+
+      // We can keep the old medicines table for reference, or drop it
+      console.log('ℹ️  Old medicines table can be kept for reference or deleted manually');
+      console.log('   To delete: sqlite3 database.sqlite "DROP TABLE IF EXISTS medicines;"');
+    } else {
+      console.log('✅ No old medicines table found - creating new schema');
+      
+      // Create pharmacy_medicines table with new schema
+      await dbRun(`
+        CREATE TABLE IF NOT EXISTS pharmacy_medicines (
+          id INTEGER PRIMARY KEY AUTOINCREMENT,
+          pharmacy_id INTEGER NOT NULL,
+          medicine_nregistro TEXT NOT NULL,
+          medicine_name TEXT,
+          price REAL,
+          stock INTEGER DEFAULT 0,
+          FOREIGN KEY (pharmacy_id) REFERENCES pharmacies(id),
+          UNIQUE(pharmacy_id, medicine_nregistro)
+        )
+      `);
+      
+      console.log('✅ Created pharmacy_medicines table');
+    }
+
+    console.log('');
+    console.log('✨ Migration completed successfully!');
+    console.log('');
+    console.log('Next steps:');
+    console.log('1. Install Redis: brew install redis (macOS) or apt-get install redis-server (Linux)');
+    console.log('2. Start Redis: redis-server');
+    console.log('3. Install dependencies: npm install');
+    console.log('4. Start the server: npm start');
+    
+  } catch (error) {
+    console.error('❌ Migration failed:', error);
+    process.exit(1);
+  } finally {
+    db.close();
+  }
+}
+
+migrate();
@@ -0,0 +1,52 @@
+{
+  "name": "farma-clic-backend",
+  "version": "1.0.0",
+  "description": "Backend API for FarmaClic",
+  "main": "server.js",
+  "type": "module",
+  "scripts": {
+    "start": "node --env-file-if-exists=.env server.js",
+    "dev": "node --env-file-if-exists=.env --watch server.js",
+    "seed": "node seed.js",
+    "create-admin": "node create-admin.js",
+    "migrate": "node migrate.js",
+    "reset-db": "bash reset-db.sh",
+    "import-farmacias": "node import-farmacias.js",
+    "test": "node --experimental-vm-modules node_modules/jest/bin/jest.js --forceExit"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "@opentelemetry/api": "^1.9.0",
+    "@opentelemetry/auto-instrumentations-node": "^0.52.0",
+    "@opentelemetry/exporter-logs-otlp-grpc": "^0.55.0",
+    "@opentelemetry/exporter-trace-otlp-grpc": "^0.55.0",
+    "@opentelemetry/instrumentation-pino": "^0.45.0",
+    "@opentelemetry/resources": "^1.28.0",
+    "@opentelemetry/sdk-logs": "^0.55.0",
+    "@opentelemetry/sdk-node": "^0.55.0",
+    "@opentelemetry/sdk-trace-base": "^1.28.0",
+    "@opentelemetry/semantic-conventions": "^1.28.0",
+    "axios": "^1.6.0",
+    "bcrypt": "^5.1.1",
+    "connect-pg-simple": "^10.0.0",
+    "connect-sqlite3": "^0.9.16",
+    "cors": "^2.8.5",
+    "express": "^4.18.2",
+    "express-rate-limit": "^8.5.2",
+    "express-session": "^1.17.3",
+    "multer": "^2.2.0",
+    "pg": "^8.13.0",
+    "pino": "^9.4.0",
+    "pino-http": "^10.3.0",
+    "redis": "^4.6.0",
+    "sqlite3": "^5.1.6",
+    "tesseract.js": "^7.0.0",
+    "web-push": "^3.6.7"
+  },
+  "devDependencies": {
+    "jest": "^29.7.0",
+    "supertest": "^7.2.2"
+  }
+}
@@ -0,0 +1,25 @@
+import { createClient } from 'redis';
+
+// Create Redis client
+const redisClient = createClient({
+  socket: {
+    host: process.env.REDIS_HOST || 'localhost',
+    port: process.env.REDIS_PORT || 6379
+  },
+  password: process.env.REDIS_PASSWORD || undefined
+});
+
+// Error handler
+redisClient.on('error', (err) => {
+  console.error('Redis Client Error:', err);
+});
+
+// Connection handler
+redisClient.on('connect', () => {
+  console.log('✅ Connected to Redis');
+});
+
+// Connect to Redis
+await redisClient.connect();
+
+export default redisClient;
@@ -0,0 +1,35 @@
+#!/bin/bash
+
+echo "🔄 FarmaClic - Quick Database Reset"
+echo "===================================="
+echo ""
+echo "Este script eliminará la base de datos actual y creará una nueva."
+echo "⚠️  ADVERTENCIA: Todos los datos actuales se perderán."
+echo ""
+
+read -p "¿Continuar? (s/n): " -n 1 -r
+echo ""
+
+if [[ ! $REPLY =~ ^[Ss]$ ]]
+then
+    echo "Operación cancelada."
+    exit 1
+fi
+
+echo ""
+echo "1️⃣  Eliminando base de datos antigua..."
+rm -f database.sqlite
+
+echo "2️⃣  Creando nueva base de datos con estructura actualizada..."
+node seed.js
+
+echo "3️⃣  Creando usuario administrador..."
+node create-admin.js
+
+echo ""
+echo "✅ ¡Listo! Base de datos reiniciada con éxito."
+echo ""
+echo "Próximos pasos:"
+echo "1. Asegúrate de que Redis esté corriendo: redis-server"
+echo "2. Inicia el servidor: npm start"
+echo ""
@@ -0,0 +1,171 @@
+import sqlite3 from 'sqlite3';
+import { promisify } from 'util';
+import path from 'path';
+import { fileURLToPath } from 'url';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+const dbPath = path.join(__dirname, 'database.sqlite');
+const db = new sqlite3.Database(dbPath);
+
+// Custom wrapper to get lastID from db.run
+function dbRun(sql, params = []) {
+  return new Promise((resolve, reject) => {
+    db.run(sql, params, function(err) {
+      if (err) reject(err);
+      else resolve({ lastID: this.lastID, changes: this.changes });
+    });
+  });
+}
+
+const dbGet = promisify(db.get.bind(db));
+
+// Initialize database tables
+async function initDatabase() {
+  try {
+    // Create pharmacies table
+    await dbRun(`
+      CREATE TABLE IF NOT EXISTS pharmacies (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        name TEXT NOT NULL,
+        address TEXT NOT NULL,
+        phone TEXT,
+        latitude REAL,
+        longitude REAL
+      )
+    `);
+
+    // Create medicines table
+    await dbRun(`
+      CREATE TABLE IF NOT EXISTS medicines (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        name TEXT NOT NULL,
+        active_ingredient TEXT,
+        dosage TEXT,
+        form TEXT
+      )
+    `);
+
+    // Create junction table for pharmacy-medicine relationships
+    // Ahora usa nregistro (número de registro de CIMA) en lugar de medicine_id local
+    await dbRun(`
+      CREATE TABLE IF NOT EXISTS pharmacy_medicines (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        pharmacy_id INTEGER NOT NULL,
+        medicine_nregistro TEXT NOT NULL,
+        medicine_name TEXT,
+        price REAL,
+        stock INTEGER DEFAULT 0,
+        FOREIGN KEY (pharmacy_id) REFERENCES pharmacies(id),
+        UNIQUE(pharmacy_id, medicine_nregistro)
+      )
+    `);
+
+    // Create indexes for better search performance
+    await dbRun(`CREATE INDEX IF NOT EXISTS idx_medicine_name ON medicines(name)`);
+    await dbRun(`CREATE INDEX IF NOT EXISTS idx_pharmacy_medicine ON pharmacy_medicines(medicine_nregistro)`);
+
+    console.log('Database tables initialized');
+  } catch (error) {
+    console.error('Error initializing database:', error);
+    throw error;
+  }
+}
+
+// Sample data
+const pharmacies = [
+  { name: 'Farmacia Central', address: 'Av. Principal 123, Ciudad', phone: '+34 123 456 789', lat: 40.4168, lng: -3.7038 },
+  { name: 'Farmacia San José', address: 'Calle Mayor 45, Ciudad', phone: '+34 987 654 321', lat: 40.4178, lng: -3.7048 },
+  { name: 'Farmacia del Sol', address: 'Plaza del Sol 12, Ciudad', phone: '+34 555 123 456', lat: 40.4158, lng: -3.7028 },
+  { name: 'Farmacia Salud', address: 'Calle Salud 78, Ciudad', phone: '+34 666 789 012', lat: 40.4188, lng: -3.7058 },
+  { name: 'Farmacia 24h', address: 'Av. Libertad 234, Ciudad', phone: '+34 777 345 678', lat: 40.4148, lng: -3.7018 },
+];
+
+const medicines = [
+  { name: 'Paracetamol 500mg', active_ingredient: 'Paracetamol', dosage: '500mg', form: 'Tabletas' },
+  { name: 'Ibuprofeno 600mg', active_ingredient: 'Ibuprofeno', dosage: '600mg', form: 'Tabletas' },
+  { name: 'Aspirina 100mg', active_ingredient: 'Ácido Acetilsalicílico', dosage: '100mg', form: 'Tabletas' },
+  { name: 'Amoxicilina 500mg', active_ingredient: 'Amoxicilina', dosage: '500mg', form: 'Cápsulas' },
+  { name: 'Omeprazol 20mg', active_ingredient: 'Omeprazol', dosage: '20mg', form: 'Cápsulas' },
+  { name: 'Loratadina 10mg', active_ingredient: 'Loratadina', dosage: '10mg', form: 'Tabletas' },
+  { name: 'Diclofenaco 50mg', active_ingredient: 'Diclofenaco', dosage: '50mg', form: 'Tabletas' },
+  { name: 'Metformina 850mg', active_ingredient: 'Metformina', dosage: '850mg', form: 'Tabletas' },
+  { name: 'Atorvastatina 20mg', active_ingredient: 'Atorvastatina', dosage: '20mg', form: 'Tabletas' },
+  { name: 'Losartán 50mg', active_ingredient: 'Losartán', dosage: '50mg', form: 'Tabletas' },
+];
+
+async function seedDatabase() {
+  try {
+    console.log('Starting database seeding...');
+
+    // Initialize database tables first
+    await initDatabase();
+
+    // Clear existing data
+    await dbRun('DELETE FROM pharmacy_medicines');
+    await dbRun('DELETE FROM medicines');
+    await dbRun('DELETE FROM pharmacies');
+
+    // Insert pharmacies
+    const pharmacyIds = [];
+    for (const pharmacy of pharmacies) {
+      const result = await dbRun(
+        'INSERT INTO pharmacies (name, address, phone, latitude, longitude) VALUES (?, ?, ?, ?, ?)',
+        [pharmacy.name, pharmacy.address, pharmacy.phone, pharmacy.lat, pharmacy.lng]
+      );
+      pharmacyIds.push(result.lastID);
+    }
+    console.log(`Inserted ${pharmacyIds.length} pharmacies`);
+
+    // Insert medicines
+    const medicineIds = [];
+    for (const medicine of medicines) {
+      const result = await dbRun(
+        'INSERT INTO medicines (name, active_ingredient, dosage, form) VALUES (?, ?, ?, ?)',
+        [medicine.name, medicine.active_ingredient, medicine.dosage, medicine.form]
+      );
+      medicineIds.push(result.lastID);
+    }
+    console.log(`Inserted ${medicineIds.length} medicines`);
+
+    // Create pharmacy-medicine relationships
+    // Each medicine is available in 2-4 random pharmacies with random prices
+    let relationshipCount = 0;
+    for (let i = 0; i < medicineIds.length; i++) {
+      const medicineId = medicineIds[i];
+      const numPharmacies = Math.floor(Math.random() * 3) + 2; // 2-4 pharmacies
+      const selectedPharmacies = new Set();
+      
+      while (selectedPharmacies.size < numPharmacies) {
+        selectedPharmacies.add(Math.floor(Math.random() * pharmacyIds.length));
+      }
+
+      for (const pharmacyIndex of selectedPharmacies) {
+        const pharmacyId = pharmacyIds[pharmacyIndex];
+        const price = (Math.random() * 20 + 5).toFixed(2); // Random price between 5-25
+        const stock = Math.floor(Math.random() * 50) + 10; // Random stock 10-60
+
+        // NOTA: Como ahora usamos CIMA API, este seed solo crea ejemplos
+        // En producción, deberías vincular usando nregistros reales de CIMA
+        const medicine = medicines[i];
+        await dbRun(
+          'INSERT INTO pharmacy_medicines (pharmacy_id, medicine_nregistro, medicine_name, price, stock) VALUES (?, ?, ?, ?, ?)',
+          [pharmacyId, `EXAMPLE_${medicineId}`, medicine.name, price, stock]
+        );
+        relationshipCount++;
+      }
+    }
+    console.log(`Created ${relationshipCount} pharmacy-medicine relationships`);
+    console.log('⚠️  NOTA: Los medicamentos de ejemplo usan IDs ficticios.');
+
+    console.log('Database seeding completed successfully!');
+  } catch (error) {
+    console.error('Error seeding database:', error);
+  } finally {
+    db.close();
+  }
+}
+
+seedDatabase();
+
@@ -0,0 +1,60 @@
+// OpenTelemetry Node SDK bootstrap for FarmaClic backend.
+// Started as a side-effect import from server.js (ESM).
+//
+// Env vars (set by docker-compose):
+//   OTEL_SERVICE_NAME        — default: farmaclic-backend
+//   OTEL_EXPORTER_OTLP_ENDPOINT — OTLP gRPC endpoint (e.g. http://alloy:4317)
+//
+// Exports traces to the shared Grafana Alloy collector, where they are
+// routed to Tempo.
+
+import { NodeSDK } from '@opentelemetry/sdk-node';
+import { getNodeAutoInstrumentations } from '@opentelemetry/auto-instrumentations-node';
+import { OTLPTraceExporter } from '@opentelemetry/exporter-trace-otlp-grpc';
+import * as resources from '@opentelemetry/resources';
+import { ATTR_SERVICE_NAME, ATTR_SERVICE_NAMESPACE } from '@opentelemetry/semantic-conventions';
+import { PinoInstrumentation } from '@opentelemetry/instrumentation-pino';
+
+const serviceName = process.env.OTEL_SERVICE_NAME || 'farmaclic-backend';
+const otlpEndpoint = process.env.OTEL_EXPORTER_OTLP_ENDPOINT || 'http://localhost:4317';
+
+const resource = typeof resources.resourceFromAttributes === 'function'
+  ? resources.resourceFromAttributes({
+      [ATTR_SERVICE_NAME]: serviceName,
+      [ATTR_SERVICE_NAMESPACE]: 'farmaclic',
+    })
+  : new resources.Resource({
+      [ATTR_SERVICE_NAME]: serviceName,
+      [ATTR_SERVICE_NAMESPACE]: 'farmaclic',
+    });
+
+const sdk = new NodeSDK({
+  resource,
+  traceExporter: new OTLPTraceExporter({ url: otlpEndpoint }),
+  instrumentations: [
+    getNodeAutoInstrumentations({
+      // Disable fs by default — it is noisy and rarely useful.
+      '@opentelemetry/instrumentation-fs': { enabled: false },
+      '@opentelemetry/instrumentation-dns': { enabled: false },
+    }),
+    new PinoInstrumentation(),
+  ],
+});
+
+if (process.env.NODE_ENV !== 'test') {
+  sdk.start();
+}
+
+const shutdown = async () => {
+  try {
+    if (process.env.NODE_ENV !== 'test') {
+      await sdk.shutdown();
+    }
+  } catch (err) {
+    // eslint-disable-next-line no-console
+    console.error('OpenTelemetry shutdown failed', err);
+  }
+};
+
+process.on('SIGTERM', shutdown);
+process.on('SIGINT', shutdown);
@@ -0,0 +1,5 @@
+{
+  "enabledPlugins": {
+    "expo@claude-plugins-official": true
+  }
+}
@@ -0,0 +1,8 @@
+# FarmaFinder Mobile - Environment Variables
+
+# API Configuration
+# Change this to your production API URL
+EXPO_PUBLIC_API_URL=http://localhost:3001/api
+
+# For production builds, update this to:
+# EXPO_PUBLIC_API_URL=https://api.yourdomain.com/api
@@ -0,0 +1,42 @@
+# Expo
+.expo/
+dist/
+web-build/
+
+# Native
+ios/
+android/
+*.jks
+*.p8
+*.p12
+*.key
+*.mobileprovision
+*.orig.*
+
+# Metro
+.metro-health-check*
+
+# debug
+npm-debug.*
+yarn-debug.*
+yarn-error.*
+
+# env files
+.env
+.env.local
+.env.production
+
+# EAS
+eas-cli.json
+
+# Dependencies
+node_modules/
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Build artifacts
+*.apk
+*.aab
+*.ipa
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DeviceTable">
+    <option name="columnSorters">
+      <list>
+        <ColumnSorterState>
+          <option name="column" value="Name" />
+          <option name="order" value="ASCENDING" />
+        </ColumnSorterState>
+      </list>
+    </option>
+  </component>
+</project>
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/frontend-mobile.iml" filepath="$PROJECT_DIR$/.idea/frontend-mobile.iml" />
+    </modules>
+  </component>
+</project>
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="StudioBotProjectSettings">
+    <option name="shareContext" value="OptedIn" />
+  </component>
+</project>
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>
@@ -0,0 +1,3 @@
+# Expo HAS CHANGED
+
+Read the exact versioned docs at https://docs.expo.dev/versions/v57.0.0/ before writing any code.
@@ -0,0 +1,20 @@
+import { StatusBar } from 'expo-status-bar';
+import { StyleSheet, Text, View } from 'react-native';
+
+export default function App() {
+  return (
+    <View style={styles.container}>
+      <Text>Open up App.tsx to start working on your app!</Text>
+      <StatusBar style="auto" />
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    backgroundColor: '#fff',
+    alignItems: 'center',
+    justifyContent: 'center',
+  },
+});
@@ -0,0 +1 @@
+@AGENTS.md
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-present 650 Industries, Inc. (aka Expo)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
@@ -0,0 +1,42 @@
+{
+  "expo": {
+    "name": "FarmaFinder",
+    "slug": "farmafinder",
+    "version": "1.0.0",
+    "orientation": "portrait",
+    "icon": "./assets/icon.png",
+    "userInterfaceStyle": "light",
+    "newArchEnabled": true,
+    "splash": {
+      "image": "./assets/splash.png",
+      "resizeMode": "contain",
+      "backgroundColor": "#007AFF"
+    },
+    "ios": {
+      "supportsTablet": true,
+      "bundleIdentifier": "com.farmafinder.app",
+      "config": {
+        "usesNonExemptEncryption": false
+      }
+    },
+    "android": {
+      "adaptiveIcon": {
+        "foregroundImage": "./assets/adaptive-icon.png",
+        "backgroundColor": "#007AFF"
+      },
+      "package": "com.farmafinder.app",
+      "googleServicesFile": "./google-services.json"
+    },
+    "plugins": [
+      "expo-router",
+      ["expo-camera", {"cameraPermission": "Allow FarmaFinder to access your camera for scanning barcodes"}],
+      ["expo-notifications", {"icon": "./assets/notification-icon.png", "color": "#007AFF"}]
+    ],
+    "scheme": "farmafinder",
+    "extra": {
+      "eas": {
+        "projectId": ""
+      }
+    }
+  }
+}
@@ -0,0 +1,41 @@
+import { Tabs } from 'expo-router';
+import { Ionicons } from '@expo/vector-icons';
+
+export default function TabLayout() {
+  return (
+    <Tabs
+      screenOptions={{
+        tabBarActiveTintColor: '#007AFF',
+        tabBarInactiveTintColor: '#8E8E93',
+      }}
+    >
+      <Tabs.Screen
+        name="index"
+        options={{
+          title: 'Buscar',
+          tabBarIcon: ({ color, size }) => (
+            <Ionicons name="search" size={size} color={color} />
+          ),
+        }}
+      />
+      <Tabs.Screen
+        name="map"
+        options={{
+          title: 'Mapa',
+          tabBarIcon: ({ color, size }) => (
+            <Ionicons name="map" size={size} color={color} />
+          ),
+        }}
+      />
+      <Tabs.Screen
+        name="profile"
+        options={{
+          title: 'Perfil',
+          tabBarIcon: ({ color, size }) => (
+            <Ionicons name="person" size={size} color={color} />
+          ),
+        }}
+      />
+    </Tabs>
+  );
+}
@@ -0,0 +1,127 @@
+import React, { useState, useEffect } from 'react';
+import { View, FlatList, StyleSheet, Text, TouchableOpacity } from 'react-native';
+import { Ionicons } from '@expo/vector-icons';
+import { useRouter } from 'expo-router';
+import { SearchBar } from '../../components/SearchBar';
+import { MedicineCard } from '../../components/MedicineCard';
+import { LoadingSpinner } from '../../components/LoadingSpinner';
+import { useDebounce } from '../../hooks/useDebounce';
+import { searchMedicines } from '../../services/medicines';
+import { colors, spacing, borderRadius } from '../../constants/theme';
+import { Medicine } from '../../types';
+import { config } from '../../constants/config';
+
+export default function HomeScreen() {
+  const router = useRouter();
+  const [query, setQuery] = useState('');
+  const [results, setResults] = useState<Medicine[]>([]);
+  const [isLoading, setIsLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+  
+  const debouncedQuery = useDebounce(query, config.SEARCH_DEBOUNCE_MS);
+
+  useEffect(() => {
+    if (debouncedQuery.length < 2) {
+      setResults([]);
+      return;
+    }
+
+    const fetchResults = async () => {
+      setIsLoading(true);
+      setError(null);
+      try {
+        const data = await searchMedicines(debouncedQuery);
+        setResults(data);
+      } catch (err) {
+        setError('Error al buscar medicamentos');
+        console.error(err);
+      } finally {
+        setIsLoading(false);
+      }
+    };
+
+    fetchResults();
+  }, [debouncedQuery]);
+
+  const handleSearch = (searchQuery: string) => {
+    setQuery(searchQuery);
+  };
+
+  return (
+    <View style={styles.container}>
+      <View style={styles.searchContainer}>
+        <SearchBar
+          onSearch={handleSearch}
+          value={query}
+          onChangeText={setQuery}
+        />
+        <TouchableOpacity 
+          style={styles.scannerButton}
+          onPress={() => router.push('/scanner')}
+        >
+          <Ionicons name="scan" size={24} color={colors.primary} />
+        </TouchableOpacity>
+      </View>
+      
+      {isLoading && <LoadingSpinner message="Buscando medicamentos..." />}
+      
+      {error && (
+        <View style={styles.errorContainer}>
+          <Text style={styles.errorText}>{error}</Text>
+        </View>
+      )}
+      
+      {!isLoading && !error && results.length === 0 && query.length >= 2 && (
+        <View style={styles.emptyContainer}>
+          <Text style={styles.emptyText}>No se encontraron medicamentos</Text>
+        </View>
+      )}
+      
+      <FlatList
+        data={results}
+        keyExtractor={(item) => item.nregistro}
+        renderItem={({ item }) => <MedicineCard medicine={item} />}
+        contentContainerStyle={styles.list}
+        showsVerticalScrollIndicator={false}
+      />
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    backgroundColor: colors.background,
+  },
+  searchContainer: {
+    flexDirection: 'row',
+    alignItems: 'center',
+  },
+  scannerButton: {
+    marginRight: spacing.md,
+    padding: spacing.sm,
+    backgroundColor: colors.card,
+    borderRadius: borderRadius.md,
+  },
+  list: {
+    paddingBottom: spacing.xl,
+  },
+  errorContainer: {
+    padding: spacing.md,
+    marginHorizontal: spacing.md,
+    backgroundColor: '#F8D7DA',
+    borderRadius: 8,
+  },
+  errorText: {
+    color: '#721C24',
+    textAlign: 'center',
+  },
+  emptyContainer: {
+    padding: spacing.xl,
+    alignItems: 'center',
+  },
+  emptyText: {
+    color: colors.textSecondary,
+    fontSize: 16,
+  },
+});
@@ -0,0 +1,108 @@
+import React, { useEffect, useState } from 'react';
+import { View, StyleSheet, Text } from 'react-native';
+import MapView, { Marker } from 'react-native-maps';
+import { useRouter } from 'expo-router';
+import { getPharmacies } from '../../services/pharmacies';
+import { LoadingSpinner } from '../../components/LoadingSpinner';
+import { colors, spacing } from '../../constants/theme';
+import { Pharmacy } from '../../types';
+
+export default function MapScreen() {
+  const router = useRouter();
+  const [pharmacies, setPharmacies] = useState<Pharmacy[]>([]);
+  const [isLoading, setIsLoading] = useState(true);
+  const [region, setRegion] = useState({
+    latitude: 40.4168, // Madrid default
+    longitude: -3.7038,
+    latitudeDelta: 0.0922,
+    longitudeDelta: 0.0421,
+  });
+
+  useEffect(() => {
+    const fetchPharmacies = async () => {
+      try {
+        const data = await getPharmacies();
+        setPharmacies(data);
+        
+        // Center map on first pharmacy if available
+        if (data.length > 0) {
+          setRegion({
+            latitude: data[0].latitude,
+            longitude: data[0].longitude,
+            latitudeDelta: 0.0922,
+            longitudeDelta: 0.0421,
+          });
+        }
+      } catch (error) {
+        console.error('Error fetching pharmacies:', error);
+      } finally {
+        setIsLoading(false);
+      }
+    };
+
+    fetchPharmacies();
+  }, []);
+
+  if (isLoading) {
+    return <LoadingSpinner message="Cargando farmacias..." />;
+  }
+
+  return (
+    <View style={styles.container}>
+      <MapView
+        style={styles.map}
+        region={region}
+        onRegionChangeComplete={setRegion}
+        showsUserLocation={true}
+        showsMyLocationButton={true}
+      >
+        {pharmacies.map((pharmacy) => (
+          <Marker
+            key={pharmacy.id}
+            coordinate={{
+              latitude: pharmacy.latitude,
+              longitude: pharmacy.longitude,
+            }}
+            title={pharmacy.name}
+            description={pharmacy.address}
+            onCalloutPress={() => router.push(`/pharmacy/${pharmacy.id}`)}
+          />
+        ))}
+      </MapView>
+      
+      <View style={styles.legend}>
+        <Text style={styles.legendText}>
+          {pharmacies.length} farmacias en el mapa
+        </Text>
+      </View>
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+  },
+  map: {
+    flex: 1,
+  },
+  legend: {
+    position: 'absolute',
+    bottom: spacing.lg,
+    left: spacing.md,
+    right: spacing.md,
+    backgroundColor: colors.card,
+    borderRadius: 8,
+    padding: spacing.sm,
+    alignItems: 'center',
+    shadowColor: '#000',
+    shadowOffset: { width: 0, height: 2 },
+    shadowOpacity: 0.25,
+    shadowRadius: 4,
+    elevation: 5,
+  },
+  legendText: {
+    fontSize: 14,
+    color: colors.text,
+  },
+});
@@ -0,0 +1,219 @@
+import React from 'react';
+import { View, Text, StyleSheet, TouchableOpacity, Alert } from 'react-native';
+import { useRouter } from 'expo-router';
+import { Ionicons } from '@expo/vector-icons';
+import { useAuth } from '../../hooks/useAuth';
+import { colors, spacing, borderRadius } from '../../constants/theme';
+
+export default function ProfileScreen() {
+  const router = useRouter();
+  const { user, isAuthenticated, isLoading, logout, isAdmin } = useAuth();
+
+  const handleLogout = async () => {
+    Alert.alert(
+      'Cerrar Sesión',
+      '¿Estás seguro que deseas cerrar sesión?',
+      [
+        { text: 'Cancelar', style: 'cancel' },
+        { 
+          text: 'Cerrar Sesión', 
+          style: 'destructive',
+          onPress: async () => {
+            await logout();
+            router.replace('/auth/login');
+          }
+        },
+      ]
+    );
+  };
+
+  if (isLoading) {
+    return (
+      <View style={styles.container}>
+        <Text style={styles.loadingText}>Cargando...</Text>
+      </View>
+    );
+  }
+
+  if (!isAuthenticated) {
+    return (
+      <View style={styles.container}>
+        <View style={styles.authPrompt}>
+          <Ionicons name="person-outline" size={64} color={colors.textSecondary} />
+          <Text style={styles.authTitle}>Inicia Sesión</Text>
+          <Text style={styles.authSubtitle}>
+            Inicia sesión para acceder a todas las funcionalidades
+          </Text>
+          <TouchableOpacity
+            style={styles.button}
+            onPress={() => router.push('/auth/login')}
+          >
+            <Text style={styles.buttonText}>Iniciar Sesión</Text>
+          </TouchableOpacity>
+          <TouchableOpacity
+            style={styles.linkButton}
+            onPress={() => router.push('/auth/register')}
+          >
+            <Text style={styles.linkText}>Crear cuenta nueva</Text>
+          </TouchableOpacity>
+        </View>
+      </View>
+    );
+  }
+
+  return (
+    <View style={styles.container}>
+      <View style={styles.header}>
+        <View style={styles.avatar}>
+          <Ionicons name="person" size={40} color={colors.primary} />
+        </View>
+        <Text style={styles.username}>{user?.username}</Text>
+        {isAdmin && <Text style={styles.adminBadge}>Administrador</Text>}
+      </View>
+
+      <View style={styles.menuSection}>
+        {isAdmin && (
+          <TouchableOpacity style={styles.menuItem}>
+            <Ionicons name="settings" size={24} color={colors.text} />
+            <Text style={styles.menuText}>Panel Admin</Text>
+            <Ionicons name="chevron-forward" size={20} color={colors.textSecondary} />
+          </TouchableOpacity>
+        )}
+        
+        <TouchableOpacity style={styles.menuItem}>
+          <Ionicons name="heart" size={24} color={colors.text} />
+          <Text style={styles.menuText}>Favoritos</Text>
+          <Ionicons name="chevron-forward" size={20} color={colors.textSecondary} />
+        </TouchableOpacity>
+        
+        <TouchableOpacity style={styles.menuItem}>
+          <Ionicons name="notifications" size={24} color={colors.text} />
+          <Text style={styles.menuText}>Notificaciones</Text>
+          <Ionicons name="chevron-forward" size={20} color={colors.textSecondary} />
+        </TouchableOpacity>
+        
+        <TouchableOpacity style={styles.menuItem}>
+          <Ionicons name="help-circle" size={24} color={colors.text} />
+          <Text style={styles.menuText}>Ayuda</Text>
+          <Ionicons name="chevron-forward" size={20} color={colors.textSecondary} />
+        </TouchableOpacity>
+      </View>
+
+      <TouchableOpacity style={styles.logoutButton} onPress={handleLogout}>
+        <Ionicons name="log-out" size={20} color={colors.danger} />
+        <Text style={styles.logoutText}>Cerrar Sesión</Text>
+      </TouchableOpacity>
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    backgroundColor: colors.background,
+  },
+  loadingText: {
+    textAlign: 'center',
+    marginTop: spacing.xxl,
+    color: colors.textSecondary,
+  },
+  authPrompt: {
+    flex: 1,
+    justifyContent: 'center',
+    alignItems: 'center',
+    padding: spacing.xl,
+  },
+  authTitle: {
+    fontSize: 24,
+    fontWeight: 'bold',
+    color: colors.text,
+    marginTop: spacing.lg,
+  },
+  authSubtitle: {
+    fontSize: 16,
+    color: colors.textSecondary,
+    textAlign: 'center',
+    marginTop: spacing.sm,
+    marginBottom: spacing.xl,
+  },
+  header: {
+    alignItems: 'center',
+    padding: spacing.xl,
+    backgroundColor: colors.card,
+  },
+  avatar: {
+    width: 80,
+    height: 80,
+    borderRadius: 40,
+    backgroundColor: colors.background,
+    justifyContent: 'center',
+    alignItems: 'center',
+  },
+  username: {
+    fontSize: 20,
+    fontWeight: 'bold',
+    color: colors.text,
+    marginTop: spacing.md,
+  },
+  adminBadge: {
+    fontSize: 12,
+    color: colors.primary,
+    backgroundColor: '#E3F2FD',
+    paddingHorizontal: spacing.sm,
+    paddingVertical: spacing.xs,
+    borderRadius: borderRadius.sm,
+    marginTop: spacing.sm,
+  },
+  menuSection: {
+    marginTop: spacing.md,
+    backgroundColor: colors.card,
+  },
+  menuItem: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    padding: spacing.md,
+    borderBottomWidth: 1,
+    borderBottomColor: colors.separator,
+  },
+  menuText: {
+    flex: 1,
+    marginLeft: spacing.md,
+    fontSize: 16,
+    color: colors.text,
+  },
+  button: {
+    backgroundColor: colors.primary,
+    borderRadius: borderRadius.md,
+    paddingVertical: spacing.md,
+    paddingHorizontal: spacing.xl,
+  },
+  buttonText: {
+    color: colors.textInverse,
+    fontSize: 16,
+    fontWeight: '600',
+  },
+  linkButton: {
+    marginTop: spacing.md,
+  },
+  linkText: {
+    color: colors.primary,
+    fontSize: 14,
+  },
+  logoutButton: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    justifyContent: 'center',
+    margin: spacing.xl,
+    padding: spacing.md,
+    backgroundColor: colors.card,
+    borderRadius: borderRadius.md,
+    borderWidth: 1,
+    borderColor: colors.danger,
+  },
+  logoutText: {
+    marginLeft: spacing.sm,
+    color: colors.danger,
+    fontSize: 16,
+    fontWeight: '500',
+  },
+});
@@ -0,0 +1,73 @@
+import { useEffect, useRef } from 'react';
+import { Stack } from 'expo-router';
+import { StatusBar } from 'expo-status-bar';
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
+import { GestureHandlerRootView } from 'react-native-gesture-handler';
+import { useAuthStore } from '../store/authStore';
+import { registerForPushNotifications, addNotificationListener, addNotificationResponseListener } from '../services/notifications';
+
+const queryClient = new QueryClient();
+
+export default function RootLayout() {
+  const { checkAuth } = useAuthStore();
+  const notificationListener = useRef<ReturnType<typeof addNotificationListener>>();
+  const responseListener = useRef<ReturnType<typeof addNotificationResponseListener>>();
+
+  useEffect(() => {
+    checkAuth();
+    
+    registerForPushNotifications();
+    
+    notificationListener.current = addNotificationListener((notification) => {
+      console.log('Notification received:', notification);
+    });
+    
+    responseListener.current = addNotificationResponseListener((response) => {
+      console.log('Notification clicked:', response);
+    });
+    
+    return () => {
+      notificationListener.current?.remove();
+      responseListener.current?.remove();
+    };
+  }, []);
+
+  return (
+    <GestureHandlerRootView style={{ flex: 1 }}>
+      <QueryClientProvider client={queryClient}>
+        <Stack>
+          <Stack.Screen name="(tabs)" options={{ headerShown: false }} />
+          <Stack.Screen 
+            name="medicine/[id]" 
+            options={{ 
+              title: 'Medicamento',
+              headerTintColor: '#007AFF',
+            }} 
+          />
+          <Stack.Screen 
+            name="pharmacy/[id]" 
+            options={{ 
+              title: 'Farmacia',
+              headerTintColor: '#007AFF',
+            }} 
+          />
+          <Stack.Screen 
+            name="auth/login" 
+            options={{ 
+              title: 'Iniciar Sesión',
+              headerShown: false,
+            }} 
+          />
+          <Stack.Screen 
+            name="auth/register" 
+            options={{ 
+              title: 'Registrarse',
+              headerShown: false,
+            }} 
+          />
+        </Stack>
+        <StatusBar style="auto" />
+      </QueryClientProvider>
+    </GestureHandlerRootView>
+  );
+}
@@ -0,0 +1,237 @@
+import React, { useState, useEffect } from 'react';
+import { 
+  View, 
+  Text, 
+  TextInput, 
+  TouchableOpacity, 
+  StyleSheet, 
+  KeyboardAvoidingView,
+  Platform,
+  Alert
+} from 'react-native';
+import { useRouter } from 'expo-router';
+import { Ionicons } from '@expo/vector-icons';
+import { useAuthStore } from '../../store/authStore';
+import { colors, spacing, borderRadius } from '../../constants/theme';
+import { 
+  isBiometricsAvailable, 
+  authenticateWithBiometrics, 
+  saveBiometricCredentials, 
+  getBiometricUsername 
+} from '../../services/biometrics';
+
+export default function LoginScreen() {
+  const router = useRouter();
+  const { login } = useAuthStore();
+  const [username, setUsername] = useState('');
+  const [password, setPassword] = useState('');
+  const [isLoading, setIsLoading] = useState(false);
+  const [biometricsAvailable, setBiometricsAvailable] = useState(false);
+  const [biometricUsername, setBiometricUsername] = useState<string | null>(null);
+
+  useEffect(() => {
+    checkBiometrics();
+  }, []);
+
+  const checkBiometrics = async () => {
+    try {
+      const available = await isBiometricsAvailable();
+      setBiometricsAvailable(available);
+      if (available) {
+        const savedUsername = await getBiometricUsername();
+        setBiometricUsername(savedUsername);
+      }
+    } catch (error) {
+      console.error('Error checking biometrics:', error);
+    }
+  };
+
+  const handleLogin = async () => {
+    if (!username || !password) {
+      Alert.alert('Error', 'Por favor ingresa usuario y contraseña');
+      return;
+    }
+
+    setIsLoading(true);
+    try {
+      await login(username, password);
+      // Save username for biometric login
+      if (biometricsAvailable) {
+        await saveBiometricCredentials(username);
+      }
+      router.replace('/(tabs)');
+    } catch (error) {
+      Alert.alert('Error', 'Credenciales incorrectas');
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  const handleBiometricLogin = async () => {
+    if (!biometricUsername) {
+      Alert.alert('Error', 'No hay credenciales biométricas guardadas');
+      return;
+    }
+
+    setIsLoading(true);
+    try {
+      const authenticated = await authenticateWithBiometrics();
+      if (authenticated) {
+        // Use saved username with empty password for biometric login
+        // The backend should handle biometric authentication differently
+        await login(biometricUsername, '');
+        router.replace('/(tabs)');
+      } else {
+        Alert.alert('Error', 'Autenticación biométrica fallida');
+      }
+    } catch (error) {
+      Alert.alert('Error', 'Error en la autenticación biométrica');
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  return (
+    <KeyboardAvoidingView
+      style={styles.container}
+      behavior={Platform.OS === 'ios' ? 'padding' : 'height'}
+    >
+      <View style={styles.form}>
+        <Text style={styles.title}>Iniciar Sesión</Text>
+        <Text style={styles.subtitle}>Ingresa tus credenciales para continuar</Text>
+
+        <View style={styles.inputContainer}>
+          <Text style={styles.label}>Usuario</Text>
+          <TextInput
+            style={styles.input}
+            value={username}
+            onChangeText={setUsername}
+            placeholder="Tu usuario"
+            placeholderTextColor={colors.textSecondary}
+            autoCapitalize="none"
+            autoCorrect={false}
+          />
+        </View>
+
+        <View style={styles.inputContainer}>
+          <Text style={styles.label}>Contraseña</Text>
+          <TextInput
+            style={styles.input}
+            value={password}
+            onChangeText={setPassword}
+            placeholder="Tu contraseña"
+            placeholderTextColor={colors.textSecondary}
+            secureTextEntry
+          />
+        </View>
+
+        <TouchableOpacity
+          style={[styles.button, isLoading && styles.buttonDisabled]}
+          onPress={handleLogin}
+          disabled={isLoading}
+        >
+          <Text style={styles.buttonText}>
+            {isLoading ? 'Ingresando...' : 'Iniciar Sesión'}
+          </Text>
+        </TouchableOpacity>
+
+        {biometricsAvailable && biometricUsername && (
+          <TouchableOpacity
+            style={[styles.biometricButton, isLoading && styles.buttonDisabled]}
+            onPress={handleBiometricLogin}
+            disabled={isLoading}
+          >
+            <Ionicons name="finger-print" size={24} color={colors.primary} />
+            <Text style={styles.biometricText}>Iniciar con biometría</Text>
+          </TouchableOpacity>
+        )}
+
+        <TouchableOpacity
+          style={styles.linkButton}
+          onPress={() => router.push('/auth/register')}
+        >
+          <Text style={styles.linkText}>¿No tienes cuenta? Regístrate</Text>
+        </TouchableOpacity>
+      </View>
+    </KeyboardAvoidingView>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    backgroundColor: colors.background,
+  },
+  form: {
+    flex: 1,
+    justifyContent: 'center',
+    padding: spacing.xl,
+  },
+  title: {
+    fontSize: 28,
+    fontWeight: 'bold',
+    color: colors.text,
+    marginBottom: spacing.sm,
+  },
+  subtitle: {
+    fontSize: 16,
+    color: colors.textSecondary,
+    marginBottom: spacing.xl,
+  },
+  inputContainer: {
+    marginBottom: spacing.md,
+  },
+  label: {
+    fontSize: 14,
+    fontWeight: '500',
+    color: colors.text,
+    marginBottom: spacing.xs,
+  },
+  input: {
+    backgroundColor: colors.card,
+    borderRadius: borderRadius.md,
+    padding: spacing.md,
+    fontSize: 16,
+    color: colors.text,
+  },
+  button: {
+    backgroundColor: colors.primary,
+    borderRadius: borderRadius.md,
+    padding: spacing.md,
+    alignItems: 'center',
+    marginTop: spacing.md,
+  },
+  buttonDisabled: {
+    opacity: 0.6,
+  },
+  buttonText: {
+    color: colors.textInverse,
+    fontSize: 16,
+    fontWeight: '600',
+  },
+  linkButton: {
+    marginTop: spacing.lg,
+    alignItems: 'center',
+  },
+  linkText: {
+    color: colors.primary,
+    fontSize: 14,
+  },
+  biometricButton: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    justifyContent: 'center',
+    backgroundColor: colors.card,
+    borderRadius: borderRadius.md,
+    padding: spacing.md,
+    marginTop: spacing.md,
+    borderWidth: 1,
+    borderColor: colors.primary,
+  },
+  biometricText: {
+    color: colors.primary,
+    fontSize: 16,
+    fontWeight: '600',
+    marginLeft: spacing.sm,
+  },
+});
@@ -0,0 +1,172 @@
+import React, { useState } from 'react';
+import { 
+  View, 
+  Text, 
+  TextInput, 
+  TouchableOpacity, 
+  StyleSheet, 
+  KeyboardAvoidingView,
+  Platform,
+  Alert
+} from 'react-native';
+import { useRouter } from 'expo-router';
+import { register } from '../../services/auth';
+import { colors, spacing, borderRadius } from '../../constants/theme';
+
+export default function RegisterScreen() {
+  const router = useRouter();
+  const [username, setUsername] = useState('');
+  const [password, setPassword] = useState('');
+  const [confirmPassword, setConfirmPassword] = useState('');
+  const [isLoading, setIsLoading] = useState(false);
+
+  const handleRegister = async () => {
+    if (!username || !password || !confirmPassword) {
+      Alert.alert('Error', 'Por favor completa todos los campos');
+      return;
+    }
+
+    if (password !== confirmPassword) {
+      Alert.alert('Error', 'Las contraseñas no coinciden');
+      return;
+    }
+
+    setIsLoading(true);
+    try {
+      await register(username, password);
+      router.replace('/(tabs)');
+    } catch (error) {
+      Alert.alert('Error', 'No se pudo crear la cuenta');
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  return (
+    <KeyboardAvoidingView
+      style={styles.container}
+      behavior={Platform.OS === 'ios' ? 'padding' : 'height'}
+    >
+      <View style={styles.form}>
+        <Text style={styles.title}>Crear Cuenta</Text>
+        <Text style={styles.subtitle}>Regístrate para empezar</Text>
+
+        <View style={styles.inputContainer}>
+          <Text style={styles.label}>Usuario</Text>
+          <TextInput
+            style={styles.input}
+            value={username}
+            onChangeText={setUsername}
+            placeholder="Elige un usuario"
+            placeholderTextColor={colors.textSecondary}
+            autoCapitalize="none"
+            autoCorrect={false}
+          />
+        </View>
+
+        <View style={styles.inputContainer}>
+          <Text style={styles.label}>Contraseña</Text>
+          <TextInput
+            style={styles.input}
+            value={password}
+            onChangeText={setPassword}
+            placeholder="Elige una contraseña"
+            placeholderTextColor={colors.textSecondary}
+            secureTextEntry
+          />
+        </View>
+
+        <View style={styles.inputContainer}>
+          <Text style={styles.label}>Confirmar Contraseña</Text>
+          <TextInput
+            style={styles.input}
+            value={confirmPassword}
+            onChangeText={setConfirmPassword}
+            placeholder="Repite la contraseña"
+            placeholderTextColor={colors.textSecondary}
+            secureTextEntry
+          />
+        </View>
+
+        <TouchableOpacity
+          style={[styles.button, isLoading && styles.buttonDisabled]}
+          onPress={handleRegister}
+          disabled={isLoading}
+        >
+          <Text style={styles.buttonText}>
+            {isLoading ? 'Creando cuenta...' : 'Crear Cuenta'}
+          </Text>
+        </TouchableOpacity>
+
+        <TouchableOpacity
+          style={styles.linkButton}
+          onPress={() => router.back()}
+        >
+          <Text style={styles.linkText}>¿Ya tienes cuenta? Inicia sesión</Text>
+        </TouchableOpacity>
+      </View>
+    </KeyboardAvoidingView>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    backgroundColor: colors.background,
+  },
+  form: {
+    flex: 1,
+    justifyContent: 'center',
+    padding: spacing.xl,
+  },
+  title: {
+    fontSize: 28,
+    fontWeight: 'bold',
+    color: colors.text,
+    marginBottom: spacing.sm,
+  },
+  subtitle: {
+    fontSize: 16,
+    color: colors.textSecondary,
+    marginBottom: spacing.xl,
+  },
+  inputContainer: {
+    marginBottom: spacing.md,
+  },
+  label: {
+    fontSize: 14,
+    fontWeight: '500',
+    color: colors.text,
+    marginBottom: spacing.xs,
+  },
+  input: {
+    backgroundColor: colors.card,
+    borderRadius: borderRadius.md,
+    padding: spacing.md,
+    fontSize: 16,
+    color: colors.text,
+  },
+  button: {
+    backgroundColor: colors.primary,
+    borderRadius: borderRadius.md,
+    padding: spacing.md,
+    alignItems: 'center',
+    marginTop: spacing.md,
+  },
+  buttonDisabled: {
+    opacity: 0.6,
+  },
+  buttonText: {
+    color: colors.textInverse,
+    fontSize: 16,
+    fontWeight: '600',
+  },
+  linkButton: {
+    marginTop: spacing.lg,
+    alignItems: 'center',
+  },
+  linkText: {
+    color: colors.primary,
+    fontSize: 14,
+  },
+});
@@ -0,0 +1,205 @@
+import React, { useEffect, useState } from 'react';
+import { View, Text, ScrollView, StyleSheet, TouchableOpacity } from 'react-native';
+import { useLocalSearchParams, useRouter } from 'expo-router';
+import { getMedicine, getMedicinePharmacies } from '../../services/medicines';
+import { StockBadge } from '../../components/StockBadge';
+import { LoadingSpinner } from '../../components/LoadingSpinner';
+import { colors, spacing, borderRadius } from '../../constants/theme';
+import { Medicine, PharmacyMedicine } from '../../types';
+
+export default function MedicineDetailScreen() {
+  const { id } = useLocalSearchParams<{ id: string }>();
+  const router = useRouter();
+  const [medicine, setMedicine] = useState<Medicine | null>(null);
+  const [pharmacies, setPharmacies] = useState<PharmacyMedicine[]>([]);
+  const [isLoading, setIsLoading] = useState(true);
+
+  useEffect(() => {
+    if (!id) return;
+
+    const fetchMedicine = async () => {
+      try {
+        const [medData, pharmData] = await Promise.all([
+          getMedicine(id),
+          getMedicinePharmacies(id),
+        ]);
+        setMedicine(medData);
+        setPharmacies(pharmData);
+      } catch (error) {
+        console.error('Error fetching medicine:', error);
+      } finally {
+        setIsLoading(false);
+      }
+    };
+
+    fetchMedicine();
+  }, [id]);
+
+  if (isLoading) {
+    return <LoadingSpinner message="Cargando medicamento..." />;
+  }
+
+  if (!medicine) {
+    return (
+      <View style={styles.errorContainer}>
+        <Text style={styles.errorText}>Medicamento no encontrado</Text>
+      </View>
+    );
+  }
+
+  return (
+    <ScrollView style={styles.container}>
+      <View style={styles.header}>
+        <Text style={styles.name}>{medicine.nombre}</Text>
+        <StockBadge stock={medicine.stock} />
+      </View>
+
+      <View style={styles.infoSection}>
+        <InfoRow label="Principio activo" value={medicine.principioActivo} />
+        <InfoRow label="Laboratorio" value={medicine.laboratorio} />
+        <InfoRow label="Forma farmacéutica" value={medicine.formaFarmaceutica} />
+        <InfoRow
+          label="Precio"
+          value={medicine.precio ? `${medicine.precio.toFixed(2)} €` : 'No disponible'}
+        />
+        <InfoRow label="Registro" value={medicine.nregistro} />
+      </View>
+
+      <View style={styles.pharmaciesSection}>
+        <Text style={styles.sectionTitle}>
+          Farmacias ({pharmacies.length})
+        </Text>
+
+        {pharmacies.length === 0 ? (
+          <Text style={styles.noPharmacies}>No hay farmacias con este medicamento</Text>
+        ) : (
+          pharmacies.map((pharm) => (
+            <TouchableOpacity
+              key={pharm.id}
+              style={styles.pharmacyCard}
+              onPress={() => router.push(`/pharmacy/${pharm.pharmacy_id}`)}
+            >
+              <View style={styles.pharmacyInfo}>
+                <Text style={styles.pharmacyName}>{pharm.pharmacy?.name}</Text>
+                <Text style={styles.pharmacyAddress}>{pharm.pharmacy?.address}</Text>
+              </View>
+              <View style={styles.pharmacyStock}>
+                <Text style={styles.price}>{pharm.price.toFixed(2)} €</Text>
+                <Text style={styles.stock}>Stock: {pharm.stock}</Text>
+              </View>
+            </TouchableOpacity>
+          ))
+        )}
+      </View>
+    </ScrollView>
+  );
+}
+
+function InfoRow({ label, value }: { label: string; value: string }) {
+  return (
+    <View style={styles.infoRow}>
+      <Text style={styles.infoLabel}>{label}</Text>
+      <Text style={styles.infoValue}>{value}</Text>
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    backgroundColor: colors.background,
+  },
+  header: {
+    flexDirection: 'row',
+    justifyContent: 'space-between',
+    alignItems: 'flex-start',
+    padding: spacing.md,
+    backgroundColor: colors.card,
+  },
+  name: {
+    flex: 1,
+    fontSize: 22,
+    fontWeight: 'bold',
+    color: colors.text,
+    marginRight: spacing.sm,
+  },
+  infoSection: {
+    backgroundColor: colors.card,
+    marginTop: spacing.sm,
+    padding: spacing.md,
+  },
+  infoRow: {
+    flexDirection: 'row',
+    justifyContent: 'space-between',
+    paddingVertical: spacing.sm,
+    borderBottomWidth: 1,
+    borderBottomColor: colors.separator,
+  },
+  infoLabel: {
+    fontSize: 14,
+    color: colors.textSecondary,
+  },
+  infoValue: {
+    fontSize: 14,
+    color: colors.text,
+    fontWeight: '500',
+  },
+  pharmaciesSection: {
+    marginTop: spacing.sm,
+    padding: spacing.md,
+  },
+  sectionTitle: {
+    fontSize: 18,
+    fontWeight: '600',
+    color: colors.text,
+    marginBottom: spacing.md,
+  },
+  noPharmacies: {
+    color: colors.textSecondary,
+    textAlign: 'center',
+    padding: spacing.xl,
+  },
+  pharmacyCard: {
+    flexDirection: 'row',
+    justifyContent: 'space-between',
+    backgroundColor: colors.card,
+    borderRadius: borderRadius.md,
+    padding: spacing.md,
+    marginBottom: spacing.sm,
+  },
+  pharmacyInfo: {
+    flex: 1,
+  },
+  pharmacyName: {
+    fontSize: 16,
+    fontWeight: '600',
+    color: colors.text,
+  },
+  pharmacyAddress: {
+    fontSize: 14,
+    color: colors.textSecondary,
+    marginTop: spacing.xs,
+  },
+  pharmacyStock: {
+    alignItems: 'flex-end',
+  },
+  price: {
+    fontSize: 16,
+    fontWeight: '600',
+    color: colors.primary,
+  },
+  stock: {
+    fontSize: 12,
+    color: colors.textSecondary,
+    marginTop: spacing.xs,
+  },
+  errorContainer: {
+    flex: 1,
+    justifyContent: 'center',
+    alignItems: 'center',
+  },
+  errorText: {
+    fontSize: 16,
+    color: colors.textSecondary,
+  },
+});
@@ -0,0 +1,260 @@
+import React, { useEffect, useState } from 'react';
+import { View, Text, ScrollView, StyleSheet, TouchableOpacity, Linking } from 'react-native';
+import { useLocalSearchParams, useRouter } from 'expo-router';
+import { Ionicons } from '@expo/vector-icons';
+import MapView, { Marker } from 'react-native-maps';
+import { getPharmacy, getPharmacyMedicines } from '../../services/pharmacies';
+import { LoadingSpinner } from '../../components/LoadingSpinner';
+import { colors, spacing, borderRadius } from '../../constants/theme';
+import { Pharmacy, PharmacyMedicine } from '../../types';
+
+export default function PharmacyDetailScreen() {
+  const { id } = useLocalSearchParams<{ id: string }>();
+  const router = useRouter();
+  const [pharmacy, setPharmacy] = useState<Pharmacy | null>(null);
+  const [medicines, setMedicines] = useState<PharmacyMedicine[]>([]);
+  const [isLoading, setIsLoading] = useState(true);
+
+  useEffect(() => {
+    if (!id) return;
+
+    const fetchPharmacy = async () => {
+      try {
+        const [pharmData, medData] = await Promise.all([
+          getPharmacy(Number(id)),
+          getPharmacyMedicines(Number(id)),
+        ]);
+        setPharmacy(pharmData);
+        setMedicines(medData as PharmacyMedicine[]);
+      } catch (error) {
+        console.error('Error fetching pharmacy:', error);
+      } finally {
+        setIsLoading(false);
+      }
+    };
+
+    fetchPharmacy();
+  }, [id]);
+
+  const handleCall = () => {
+    if (pharmacy?.phone) {
+      Linking.openURL(`tel:${pharmacy.phone}`);
+    }
+  };
+
+  const handleDirections = () => {
+    if (pharmacy) {
+      const url = `https://www.google.com/maps/dir/?api=1&destination=${pharmacy.latitude},${pharmacy.longitude}`;
+      Linking.openURL(url);
+    }
+  };
+
+  if (isLoading) {
+    return <LoadingSpinner message="Cargando farmacia..." />;
+  }
+
+  if (!pharmacy) {
+    return (
+      <View style={styles.errorContainer}>
+        <Text style={styles.errorText}>Farmacia no encontrada</Text>
+      </View>
+    );
+  }
+
+  return (
+    <ScrollView style={styles.container}>
+      <View style={styles.header}>
+        <Text style={styles.name}>{pharmacy.name}</Text>
+      </View>
+
+      <View style={styles.actionsRow}>
+        <TouchableOpacity style={styles.actionButton} onPress={handleCall}>
+          <Ionicons name="call" size={20} color={colors.primary} />
+          <Text style={styles.actionText}>Llamar</Text>
+        </TouchableOpacity>
+
+        <TouchableOpacity style={styles.actionButton} onPress={handleDirections}>
+          <Ionicons name="navigate" size={20} color={colors.primary} />
+          <Text style={styles.actionText}>Cómo llegar</Text>
+        </TouchableOpacity>
+      </View>
+
+      <View style={styles.infoSection}>
+        <View style={styles.infoRow}>
+          <Ionicons name="location" size={18} color={colors.textSecondary} />
+          <Text style={styles.infoText}>{pharmacy.address}</Text>
+        </View>
+
+        {pharmacy.phone && (
+          <View style={styles.infoRow}>
+            <Ionicons name="call" size={18} color={colors.textSecondary} />
+            <Text style={styles.infoText}>{pharmacy.phone}</Text>
+          </View>
+        )}
+      </View>
+
+      <View style={styles.mapContainer}>
+        <MapView
+          style={styles.map}
+          initialRegion={{
+            latitude: pharmacy.latitude,
+            longitude: pharmacy.longitude,
+            latitudeDelta: 0.01,
+            longitudeDelta: 0.01,
+          }}
+          scrollEnabled={false}
+        >
+          <Marker
+            coordinate={{
+              latitude: pharmacy.latitude,
+              longitude: pharmacy.longitude,
+            }}
+            title={pharmacy.name}
+          />
+        </MapView>
+      </View>
+
+      <View style={styles.medicinesSection}>
+        <Text style={styles.sectionTitle}>
+          Medicamentos ({medicines.length})
+        </Text>
+
+        {medicines.length === 0 ? (
+          <Text style={styles.noMedicines}>No hay medicamentos disponibles</Text>
+        ) : (
+          medicines.map((med) => (
+            <TouchableOpacity
+              key={med.id}
+              style={styles.medicineCard}
+              onPress={() => router.push(`/medicine/${med.medicine_nregistro}`)}
+            >
+              <View style={styles.medicineInfo}>
+                <Text style={styles.medicineName}>{med.medicine_name}</Text>
+                <Text style={styles.medicineNregistro}>Reg: {med.medicine_nregistro}</Text>
+              </View>
+              <View style={styles.medicineStock}>
+                <Text style={styles.price}>{med.price.toFixed(2)} €</Text>
+                <Text style={styles.stock}>Stock: {med.stock}</Text>
+              </View>
+            </TouchableOpacity>
+          ))
+        )}
+      </View>
+    </ScrollView>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    backgroundColor: colors.background,
+  },
+  header: {
+    padding: spacing.md,
+    backgroundColor: colors.card,
+  },
+  name: {
+    fontSize: 22,
+    fontWeight: 'bold',
+    color: colors.text,
+  },
+  actionsRow: {
+    flexDirection: 'row',
+    justifyContent: 'space-around',
+    padding: spacing.md,
+    backgroundColor: colors.card,
+    borderBottomWidth: 1,
+    borderBottomColor: colors.separator,
+  },
+  actionButton: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    padding: spacing.sm,
+  },
+  actionText: {
+    marginLeft: spacing.xs,
+    color: colors.primary,
+    fontWeight: '500',
+  },
+  infoSection: {
+    padding: spacing.md,
+    backgroundColor: colors.card,
+    marginTop: spacing.sm,
+  },
+  infoRow: {
+    flexDirection: 'row',
+    alignItems: 'flex-start',
+    marginBottom: spacing.sm,
+  },
+  infoText: {
+    flex: 1,
+    marginLeft: spacing.sm,
+    fontSize: 16,
+    color: colors.text,
+  },
+  mapContainer: {
+    height: 200,
+    marginTop: spacing.sm,
+  },
+  map: {
+    flex: 1,
+  },
+  medicinesSection: {
+    marginTop: spacing.sm,
+    padding: spacing.md,
+  },
+  sectionTitle: {
+    fontSize: 18,
+    fontWeight: '600',
+    color: colors.text,
+    marginBottom: spacing.md,
+  },
+  noMedicines: {
+    color: colors.textSecondary,
+    textAlign: 'center',
+    padding: spacing.xl,
+  },
+  medicineCard: {
+    flexDirection: 'row',
+    justifyContent: 'space-between',
+    backgroundColor: colors.card,
+    borderRadius: borderRadius.md,
+    padding: spacing.md,
+    marginBottom: spacing.sm,
+  },
+  medicineInfo: {
+    flex: 1,
+  },
+  medicineName: {
+    fontSize: 16,
+    fontWeight: '500',
+    color: colors.text,
+  },
+  medicineNregistro: {
+    fontSize: 12,
+    color: colors.textSecondary,
+    marginTop: spacing.xs,
+  },
+  medicineStock: {
+    alignItems: 'flex-end',
+  },
+  price: {
+    fontSize: 16,
+    fontWeight: '600',
+    color: colors.primary,
+  },
+  stock: {
+    fontSize: 12,
+    color: colors.textSecondary,
+    marginTop: spacing.xs,
+  },
+  errorContainer: {
+    flex: 1,
+    justifyContent: 'center',
+    alignItems: 'center',
+  },
+  errorText: {
+    fontSize: 16,
+    color: colors.textSecondary,
+  },
+});
@@ -0,0 +1,46 @@
+import React, { useState } from 'react';
+import { View, StyleSheet } from 'react-native';
+import { useRouter } from 'expo-router';
+import { BarcodeScanner } from '../components/BarcodeScanner';
+import { searchMedicines } from '../services/medicines';
+
+export default function ScannerScreen() {
+  const router = useRouter();
+  const [isSearching, setIsSearching] = useState(false);
+
+  const handleBarcodeScanned = async (barcode: string) => {
+    setIsSearching(true);
+    try {
+      const results = await searchMedicines(barcode);
+      if (results.length > 0) {
+        router.push(`/medicine/${results[0].nregistro}`);
+      } else {
+        router.push(`/medicine/${barcode}`);
+      }
+    } catch (error) {
+      console.error('Error searching medicine:', error);
+      router.push(`/medicine/${barcode}`);
+    } finally {
+      setIsSearching(false);
+    }
+  };
+
+  const handleClose = () => {
+    router.back();
+  };
+
+  return (
+    <View style={styles.container}>
+      <BarcodeScanner
+        onBarcodeScanned={handleBarcodeScanned}
+        onClose={handleClose}
+      />
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+  },
+});
@@ -0,0 +1,7 @@
+module.exports = function(api) {
+  api.cache(true);
+  return {
+    presets: ['babel-preset-expo'],
+    plugins: ['react-native-reanimated/plugin'],
+  };
+};
@@ -0,0 +1,207 @@
+import React, { useState } from 'react';
+import { View, Text, StyleSheet, TouchableOpacity } from 'react-native';
+import { CameraView, useCameraPermissions } from 'expo-camera';
+import { Ionicons } from '@expo/vector-icons';
+import { colors, spacing, borderRadius } from '../constants/theme';
+
+interface BarcodeScannerProps {
+  onBarcodeScanned: (barcode: string) => void;
+  onClose: () => void;
+}
+
+export function BarcodeScanner({ onBarcodeScanned, onClose }: BarcodeScannerProps) {
+  const [permission, requestPermission] = useCameraPermissions();
+  const [scanned, setScanned] = useState(false);
+
+  if (!permission) {
+    return <View style={styles.container} />;
+  }
+
+  if (!permission.granted) {
+    return (
+      <View style={styles.permissionContainer}>
+        <Ionicons name="camera" size={64} color={colors.textSecondary} />
+        <Text style={styles.permissionTitle}>Permiso de cámara requerido</Text>
+        <Text style={styles.permissionText}>
+          Necesitamos acceso a la cámara para escanear códigos de barras
+        </Text>
+        <TouchableOpacity style={styles.permissionButton} onPress={requestPermission}>
+          <Text style={styles.permissionButtonText}>Conceder permiso</Text>
+        </TouchableOpacity>
+        <TouchableOpacity style={styles.cancelButton} onPress={onClose}>
+          <Text style={styles.cancelButtonText}>Cancelar</Text>
+        </TouchableOpacity>
+      </View>
+    );
+  }
+
+  const handleBarCodeScanned = ({ type, data }: { type: string; data: string }) => {
+    if (scanned) return;
+    setScanned(true);
+    onBarcodeScanned(data);
+  };
+
+  return (
+    <View style={styles.container}>
+      <CameraView
+        style={StyleSheet.absoluteFillObject}
+        facing="back"
+        barcodeScannerSettings={{
+          barcodeTypes: ['ean13', 'ean8', 'upc_a', 'upc_e'],
+        }}
+        onBarcodeScanned={scanned ? undefined : handleBarCodeScanned}
+      />
+      
+      <View style={styles.overlay}>
+        <View style={styles.scannerFrame}>
+          <View style={[styles.corner, styles.topLeft]} />
+          <View style={[styles.corner, styles.topRight]} />
+          <View style={[styles.corner, styles.bottomLeft]} />
+          <View style={[styles.corner, styles.bottomRight]} />
+        </View>
+        
+        <Text style={styles.instruction}>
+          Apunta la cámara al código de barras del medicamento
+        </Text>
+        
+        <TouchableOpacity style={styles.closeButton} onPress={onClose}>
+          <Ionicons name="close" size={24} color={colors.textInverse} />
+        </TouchableOpacity>
+      </View>
+      
+      {scanned && (
+        <View style={styles.scannedOverlay}>
+          <TouchableOpacity 
+            style={styles.scanAgainButton}
+            onPress={() => setScanned(false)}
+          >
+            <Text style={styles.scanAgainText}>Escanear de nuevo</Text>
+          </TouchableOpacity>
+        </View>
+      )}
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    backgroundColor: '#000',
+  },
+  permissionContainer: {
+    flex: 1,
+    justifyContent: 'center',
+    alignItems: 'center',
+    backgroundColor: colors.background,
+    padding: spacing.xl,
+  },
+  permissionTitle: {
+    fontSize: 20,
+    fontWeight: 'bold',
+    color: colors.text,
+    marginTop: spacing.lg,
+  },
+  permissionText: {
+    fontSize: 16,
+    color: colors.textSecondary,
+    textAlign: 'center',
+    marginTop: spacing.sm,
+    marginBottom: spacing.xl,
+  },
+  permissionButton: {
+    backgroundColor: colors.primary,
+    borderRadius: borderRadius.md,
+    paddingVertical: spacing.md,
+    paddingHorizontal: spacing.xl,
+  },
+  permissionButtonText: {
+    color: colors.textInverse,
+    fontSize: 16,
+    fontWeight: '600',
+  },
+  cancelButton: {
+    marginTop: spacing.md,
+  },
+  cancelButtonText: {
+    color: colors.textSecondary,
+    fontSize: 14,
+  },
+  overlay: {
+    flex: 1,
+    backgroundColor: 'transparent',
+    justifyContent: 'center',
+    alignItems: 'center',
+  },
+  scannerFrame: {
+    width: 250,
+    height: 250,
+    borderWidth: 2,
+    borderColor: 'transparent',
+    position: 'relative',
+  },
+  corner: {
+    position: 'absolute',
+    width: 30,
+    height: 30,
+    borderColor: colors.primary,
+  },
+  topLeft: {
+    top: 0,
+    left: 0,
+    borderTopWidth: 3,
+    borderLeftWidth: 3,
+  },
+  topRight: {
+    top: 0,
+    right: 0,
+    borderTopWidth: 3,
+    borderRightWidth: 3,
+  },
+  bottomLeft: {
+    bottom: 0,
+    left: 0,
+    borderBottomWidth: 3,
+    borderLeftWidth: 3,
+  },
+  bottomRight: {
+    bottom: 0,
+    right: 0,
+    borderBottomWidth: 3,
+    borderRightWidth: 3,
+  },
+  instruction: {
+    color: colors.textInverse,
+    fontSize: 14,
+    textAlign: 'center',
+    marginTop: spacing.xl,
+    backgroundColor: 'rgba(0,0,0,0.6)',
+    paddingHorizontal: spacing.md,
+    paddingVertical: spacing.sm,
+    borderRadius: borderRadius.sm,
+  },
+  closeButton: {
+    position: 'absolute',
+    top: spacing.xl,
+    right: spacing.xl,
+    backgroundColor: 'rgba(0,0,0,0.6)',
+    borderRadius: 20,
+    padding: spacing.sm,
+  },
+  scannedOverlay: {
+    position: 'absolute',
+    bottom: spacing.xxl,
+    left: spacing.xl,
+    right: spacing.xl,
+  },
+  scanAgainButton: {
+    backgroundColor: colors.primary,
+    borderRadius: borderRadius.md,
+    padding: spacing.md,
+    alignItems: 'center',
+  },
+  scanAgainText: {
+    color: colors.textInverse,
+    fontSize: 16,
+    fontWeight: '600',
+  },
+});
@@ -0,0 +1,30 @@
+import React from 'react';
+import { View, ActivityIndicator, Text, StyleSheet } from 'react-native';
+import { colors, spacing } from '../constants/theme';
+
+interface LoadingSpinnerProps {
+  message?: string;
+}
+
+export function LoadingSpinner({ message = 'Cargando...' }: LoadingSpinnerProps) {
+  return (
+    <View style={styles.container}>
+      <ActivityIndicator size="large" color={colors.primary} />
+      <Text style={styles.message}>{message}</Text>
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    justifyContent: 'center',
+    alignItems: 'center',
+    padding: spacing.xl,
+  },
+  message: {
+    marginTop: spacing.md,
+    fontSize: 16,
+    color: colors.textSecondary,
+  },
+});
@@ -0,0 +1,110 @@
+import React from 'react';
+import { View, Text, StyleSheet, TouchableOpacity } from 'react-native';
+import { useRouter } from 'expo-router';
+import { Ionicons } from '@expo/vector-icons';
+import { colors, spacing, borderRadius } from '../constants/theme';
+import { StockBadge } from './StockBadge';
+import { Medicine } from '../types';
+
+interface MedicineCardProps {
+  medicine: Medicine;
+}
+
+export function MedicineCard({ medicine }: MedicineCardProps) {
+  const router = useRouter();
+
+  const handlePress = () => {
+    router.push(`/medicine/${medicine.nregistro}`);
+  };
+
+  return (
+    <TouchableOpacity style={styles.card} onPress={handlePress} activeOpacity={0.7}>
+      <View style={styles.header}>
+        <Text style={styles.name} numberOfLines={2}>
+          {medicine.nombre}
+        </Text>
+        <StockBadge stock={medicine.stock} />
+      </View>
+      
+      <Text style={styles.principioActivo} numberOfLines={1}>
+        {medicine.principioActivo}
+      </Text>
+      
+      <View style={styles.footer}>
+        <View style={styles.priceContainer}>
+          <Ionicons name="pricetag" size={14} color={colors.textSecondary} />
+          <Text style={styles.price}>
+            {medicine.precio ? `${medicine.precio.toFixed(2)} €` : 'Sin precio'}
+          </Text>
+        </View>
+        
+        <View style={styles.labContainer}>
+          <Ionicons name="business" size={14} color={colors.textSecondary} />
+          <Text style={styles.laboratorio} numberOfLines={1}>
+            {medicine.laboratorio}
+          </Text>
+        </View>
+      </View>
+    </TouchableOpacity>
+  );
+}
+
+const styles = StyleSheet.create({
+  card: {
+    backgroundColor: colors.card,
+    borderRadius: borderRadius.md,
+    padding: spacing.md,
+    marginHorizontal: spacing.md,
+    marginVertical: spacing.xs,
+    shadowColor: '#000',
+    shadowOffset: { width: 0, height: 2 },
+    shadowOpacity: 0.1,
+    shadowRadius: 4,
+    elevation: 2,
+  },
+  header: {
+    flexDirection: 'row',
+    justifyContent: 'space-between',
+    alignItems: 'flex-start',
+    marginBottom: spacing.xs,
+  },
+  name: {
+    flex: 1,
+    fontSize: 16,
+    fontWeight: '600',
+    color: colors.text,
+    marginRight: spacing.sm,
+  },
+  principioActivo: {
+    fontSize: 14,
+    color: colors.textSecondary,
+    marginBottom: spacing.sm,
+  },
+  footer: {
+    flexDirection: 'row',
+    justifyContent: 'space-between',
+    alignItems: 'center',
+  },
+  priceContainer: {
+    flexDirection: 'row',
+    alignItems: 'center',
+  },
+  price: {
+    fontSize: 14,
+    fontWeight: '600',
+    color: colors.text,
+    marginLeft: spacing.xs,
+  },
+  labContainer: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    flex: 1,
+    justifyContent: 'flex-end',
+  },
+  laboratorio: {
+    fontSize: 12,
+    color: colors.textSecondary,
+    marginLeft: spacing.xs,
+    maxWidth: 120,
+  },
+});
@@ -0,0 +1,81 @@
+import React, { useState } from 'react';
+import { View, TextInput, StyleSheet, TouchableOpacity } from 'react-native';
+import { Ionicons } from '@expo/vector-icons';
+import { colors, spacing, borderRadius } from '../constants/theme';
+
+interface SearchBarProps {
+  placeholder?: string;
+  onSearch: (query: string) => void;
+  value?: string;
+  onChangeText?: (text: string) => void;
+}
+
+export function SearchBar({ 
+  placeholder = 'Buscar medicamentos...', 
+  onSearch,
+  value,
+  onChangeText 
+}: SearchBarProps) {
+  const [localValue, setLocalValue] = useState(value || '');
+
+  const handleChange = (text: string) => {
+    setLocalValue(text);
+    onChangeText?.(text);
+  };
+
+  const handleSubmit = () => {
+    onSearch(localValue);
+  };
+
+  const handleClear = () => {
+    setLocalValue('');
+    onChangeText?.('');
+    onSearch('');
+  };
+
+  return (
+    <View style={styles.container}>
+      <Ionicons name="search" size={20} color={colors.textSecondary} style={styles.icon} />
+      <TextInput
+        style={styles.input}
+        placeholder={placeholder}
+        placeholderTextColor={colors.textSecondary}
+        value={localValue}
+        onChangeText={handleChange}
+        onSubmitEditing={handleSubmit}
+        returnKeyType="search"
+        autoCorrect={false}
+      />
+      {localValue.length > 0 && (
+        <TouchableOpacity onPress={handleClear} style={styles.clearButton}>
+          <Ionicons name="close-circle" size={20} color={colors.textSecondary} />
+        </TouchableOpacity>
+      )}
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    backgroundColor: colors.card,
+    borderRadius: borderRadius.md,
+    paddingHorizontal: spacing.md,
+    paddingVertical: spacing.sm,
+    marginHorizontal: spacing.md,
+    marginVertical: spacing.sm,
+  },
+  icon: {
+    marginRight: spacing.sm,
+  },
+  input: {
+    flex: 1,
+    fontSize: 16,
+    color: colors.text,
+    paddingVertical: spacing.xs,
+  },
+  clearButton: {
+    marginLeft: spacing.sm,
+  },
+});
@@ -0,0 +1,48 @@
+import React from 'react';
+import { View, Text, StyleSheet } from 'react-native';
+import { colors, borderRadius, spacing } from '../constants/theme';
+
+interface StockBadgeProps {
+  stock: number;
+}
+
+export function StockBadge({ stock }: StockBadgeProps) {
+  const getBadgeStyle = () => {
+    if (stock === 0) return styles.danger;
+    if (stock < 5) return styles.warning;
+    return styles.success;
+  };
+
+  const getText = () => {
+    if (stock === 0) return 'Sin stock';
+    if (stock < 5) return `Bajo (${stock})`;
+    return `Disponible (${stock})`;
+  };
+
+  return (
+    <View style={[styles.badge, getBadgeStyle()]}>
+      <Text style={styles.text}>{getText()}</Text>
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  badge: {
+    paddingHorizontal: spacing.sm,
+    paddingVertical: spacing.xs,
+    borderRadius: borderRadius.sm,
+  },
+  success: {
+    backgroundColor: '#D4EDDA',
+  },
+  warning: {
+    backgroundColor: '#FFF3CD',
+  },
+  danger: {
+    backgroundColor: '#F8D7DA',
+  },
+  text: {
+    fontSize: 12,
+    fontWeight: '600',
+  },
+});
@@ -0,0 +1,19 @@
+import Constants from 'expo-constants';
+
+const ENV = {
+  development: {
+    API_BASE_URL: 'http://localhost:3001/api',
+  },
+  production: {
+    API_BASE_URL: 'https://your-production-api.com/api',
+  },
+};
+
+const environment = Constants.expoConfig?.extra?.environment || (__DEV__ ? 'development' : 'production');
+
+export const config = {
+  API_BASE_URL: ENV[environment as keyof typeof ENV]?.API_BASE_URL || ENV.development.API_BASE_URL,
+  SEARCH_DEBOUNCE_MS: 300,
+  CACHE_STALE_TIME: 5 * 60 * 1000, // 5 minutes
+  CACHE_CACHE_TIME: 30 * 60 * 1000, // 30 minutes
+};
@@ -0,0 +1,58 @@
+export const colors = {
+  // Primary
+  primary: '#007AFF',
+  primaryLight: '#4DA3FF',
+  primaryDark: '#0056CC',
+
+  // Semantic
+  success: '#34C759',
+  danger: '#FF3B30',
+  warning: '#FF9500',
+
+  // Neutral
+  background: '#F2F2F7',
+  card: '#FFFFFF',
+  border: '#E5E5EA',
+  separator: '#C6C6C8',
+
+  // Text
+  text: '#1C1C1E',
+  textSecondary: '#8E8E93',
+  textInverse: '#FFFFFF',
+  textLink: '#007AFF',
+};
+
+export const spacing = {
+  xs: 4,
+  sm: 8,
+  md: 16,
+  lg: 24,
+  xl: 32,
+  xxl: 48,
+};
+
+export const borderRadius = {
+  sm: 8,
+  md: 12,
+  lg: 16,
+  xl: 24,
+};
+
+export const typography = {
+  title: {
+    fontSize: 28,
+    fontWeight: 'bold' as const,
+  },
+  heading: {
+    fontSize: 20,
+    fontWeight: '600' as const,
+  },
+  body: {
+    fontSize: 16,
+    fontWeight: 'normal' as const,
+  },
+  caption: {
+    fontSize: 12,
+    fontWeight: 'normal' as const,
+  },
+};
@@ -0,0 +1,46 @@
+{
+  "cli": {
+    "version": ">= 12.0.0"
+  },
+  "build": {
+    "development": {
+      "developmentClient": true,
+      "distribution": "internal",
+      "ios": {
+        "simulator": true
+      },
+      "android": {
+        "buildType": "apk"
+      }
+    },
+    "preview": {
+      "distribution": "internal",
+      "ios": {
+        "buildType": "preview"
+      },
+      "android": {
+        "buildType": "apk"
+      }
+    },
+    "production": {
+      "ios": {
+        "buildType": "release"
+      },
+      "android": {
+        "buildType": "app-bundle"
+      }
+    }
+  },
+  "submit": {
+    "production": {
+      "ios": {
+        "appleId": "",
+        "ascAppId": "",
+        "appleTeamId": ""
+      },
+      "android": {
+        "serviceAccountKeyPath": "./google-service-account.json"
+      }
+    }
+  }
+}
@@ -0,0 +1,19 @@
+import { useEffect } from 'react';
+import { useAuthStore } from '../store/authStore';
+
+export function useAuth() {
+  const { user, isLoading, isAuthenticated, login, logout, checkAuth } = useAuthStore();
+
+  useEffect(() => {
+    checkAuth();
+  }, []);
+
+  return {
+    user,
+    isLoading,
+    isAuthenticated,
+    login,
+    logout,
+    isAdmin: user?.is_admin ?? false,
+  };
+}
@@ -0,0 +1,17 @@
+import { useState, useEffect } from 'react';
+
+export function useDebounce<T>(value: T, delay: number): T {
+  const [debouncedValue, setDebouncedValue] = useState<T>(value);
+
+  useEffect(() => {
+    const timer = setTimeout(() => {
+      setDebouncedValue(value);
+    }, delay);
+
+    return () => {
+      clearTimeout(timer);
+    };
+  }, [value, delay]);
+
+  return debouncedValue;
+}
@@ -0,0 +1,8 @@
+import { registerRootComponent } from 'expo';
+
+import App from './App';
+
+// registerRootComponent calls AppRegistry.registerComponent('main', () => App);
+// It also ensures that whether you load the app in Expo Go or in a native build,
+// the environment is set up appropriately
+registerRootComponent(App);
@@ -0,0 +1,42 @@
+{
+  "name": "frontend-mobile",
+  "version": "1.0.0",
+  "main": "expo-router/entry",
+  "dependencies": {
+    "@react-native-async-storage/async-storage": "2.2.0",
+    "@tanstack/react-query": "^5.101.2",
+    "axios": "^1.18.1",
+    "babel-preset-expo": "^57.0.1",
+    "expo": "~57.0.2",
+    "expo-camera": "~57.0.0",
+    "expo-constants": "~57.0.3",
+    "expo-dev-client": "~57.0.5",
+    "expo-device": "~7.0.2",
+    "expo-linking": "~57.0.1",
+    "expo-local-authentication": "~57.0.0",
+    "expo-notifications": "~57.0.3",
+    "expo-router": "~57.0.3",
+    "expo-secure-store": "~57.0.0",
+    "expo-status-bar": "~57.0.0",
+    "react": "19.2.7",
+    "react-native": "0.86.0",
+    "react-native-gesture-handler": "~2.32.0",
+    "react-native-maps": "^1.29.0",
+    "react-native-reanimated": "4.5.0",
+    "react-native-safe-area-context": "~5.7.0",
+    "react-native-screens": "4.25.2",
+    "react-native-worklets": "0.10.0",
+    "zustand": "^5.0.14"
+  },
+  "devDependencies": {
+    "@types/react": "~19.2.7",
+    "typescript": "~6.0.3"
+  },
+  "scripts": {
+    "start": "expo start",
+    "android": "expo run:android",
+    "ios": "expo run:ios",
+    "web": "expo start --web"
+  },
+  "private": true
+}
@@ -0,0 +1,36 @@
+import axios from 'axios';
+import * as SecureStore from 'expo-secure-store';
+import { config } from '../constants/config';
+
+export const api = axios.create({
+  baseURL: config.API_BASE_URL,
+  timeout: 10000,
+  headers: {
+    'Content-Type': 'application/json',
+  },
+});
+
+// Request interceptor - add auth token
+api.interceptors.request.use(
+  async (axiosConfig) => {
+    const token = await SecureStore.getItemAsync('auth_token');
+    if (token) {
+      axiosConfig.headers.Authorization = `Bearer ${token}`;
+    }
+    return axiosConfig;
+  },
+  (error) => Promise.reject(error)
+);
+
+// Response interceptor - handle errors
+api.interceptors.response.use(
+  (response) => response,
+  async (error) => {
+    if (error.response?.status === 401) {
+      await SecureStore.deleteItemAsync('auth_token');
+    }
+    return Promise.reject(error);
+  }
+);
+
+export default api;
@@ -0,0 +1,43 @@
+import api from './api';
+import * as SecureStore from 'expo-secure-store';
+import { AuthResponse, User } from '../types';
+
+export async function login(username: string, password: string): Promise<AuthResponse> {
+  const response = await api.post('/auth/login', { username, password });
+  const { user, token } = response.data;
+
+  await SecureStore.setItemAsync('auth_token', token);
+  await SecureStore.setItemAsync('user', JSON.stringify(user));
+
+  return response.data;
+}
+
+export async function logout(): Promise<void> {
+  await api.post('/auth/logout');
+  await SecureStore.deleteItemAsync('auth_token');
+  await SecureStore.deleteItemAsync('user');
+}
+
+export async function checkAuth(): Promise<User | null> {
+  try {
+    const response = await api.get('/auth/check');
+    return response.data.user;
+  } catch {
+    return null;
+  }
+}
+
+export async function getStoredUser(): Promise<User | null> {
+  const userStr = await SecureStore.getItemAsync('user');
+  return userStr ? JSON.parse(userStr) : null;
+}
+
+export async function register(username: string, password: string): Promise<AuthResponse> {
+  const response = await api.post('/auth/register', { username, password });
+  const { user, token } = response.data;
+
+  await SecureStore.setItemAsync('auth_token', token);
+  await SecureStore.setItemAsync('user', JSON.stringify(user));
+
+  return response.data;
+}
@@ -0,0 +1,34 @@
+import * as LocalAuthentication from 'expo-local-authentication';
+import * as SecureStore from 'expo-secure-store';
+
+export async function isBiometricsAvailable(): Promise<boolean> {
+  const compatible = await LocalAuthentication.hasHardwareAsync();
+  const enrolled = await LocalAuthentication.isEnrolledAsync();
+  return compatible && enrolled;
+}
+
+export async function authenticateWithBiometrics(): Promise<boolean> {
+  try {
+    const result = await LocalAuthentication.authenticateAsync({
+      promptMessage: 'Inicia sesión con biometría',
+      cancelLabel: 'Cancelar',
+      disableDeviceFallback: false,
+    });
+    return result.success;
+  } catch (error) {
+    console.error('Biometric authentication error:', error);
+    return false;
+  }
+}
+
+export async function saveBiometricCredentials(username: string): Promise<void> {
+  await SecureStore.setItemAsync('biometric_username', username);
+}
+
+export async function getBiometricUsername(): Promise<string | null> {
+  return await SecureStore.getItemAsync('biometric_username');
+}
+
+export async function clearBiometricCredentials(): Promise<void> {
+  await SecureStore.deleteItemAsync('biometric_username');
+}
@@ -0,0 +1,17 @@
+import api from './api';
+import { Medicine, PharmacyMedicine } from '../types';
+
+export async function searchMedicines(query: string): Promise<Medicine[]> {
+  const response = await api.get(`/medicines/search?q=${encodeURIComponent(query)}`);
+  return response.data;
+}
+
+export async function getMedicine(nregistro: string): Promise<Medicine> {
+  const response = await api.get(`/medicines/${nregistro}`);
+  return response.data;
+}
+
+export async function getMedicinePharmacies(nregistro: string): Promise<PharmacyMedicine[]> {
+  const response = await api.get(`/medicines/${nregistro}/pharmacies`);
+  return response.data;
+}
@@ -0,0 +1,82 @@
+import * as Notifications from 'expo-notifications';
+import * as Device from 'expo-device';
+import * as Constants from 'expo-constants';
+import { Platform } from 'react-native';
+
+Notifications.setNotificationHandler({
+  handleNotification: async () => ({
+    shouldShowBanner: true,
+    shouldShowList: true,
+    shouldPlaySound: true,
+    shouldSetBadge: true,
+  }),
+});
+
+export async function registerForPushNotifications() {
+  if (!Device.isDevice) {
+    console.log('Push notifications require a physical device');
+    return null;
+  }
+
+  const { status: existingStatus } = await Notifications.getPermissionsAsync();
+  let finalStatus = existingStatus;
+
+  if (existingStatus !== 'granted') {
+    const { status } = await Notifications.requestPermissionsAsync();
+    finalStatus = status;
+  }
+
+  if (finalStatus !== 'granted') {
+    console.log('Failed to get push token for push notification');
+    return null;
+  }
+
+  if (Platform.OS === 'android') {
+    await Notifications.setNotificationChannelAsync('default', {
+      name: 'default',
+      importance: Notifications.AndroidImportance.MAX,
+      vibrationPattern: [0, 250, 250, 250],
+      lightColor: '#007AFF',
+    });
+  }
+
+  try {
+    const projectId =
+      Constants?.expoConfig?.extra?.eas?.projectId ?? Constants?.easConfig?.projectId;
+
+    const token = await Notifications.getExpoPushTokenAsync({
+      projectId,
+    });
+
+    return token.data;
+  } catch (e) {
+    console.log('Error getting push token:', e);
+    return null;
+  }
+}
+
+export async function scheduleMedicineAvailabilityNotification(
+  medicineName: string,
+  pharmacyName: string
+) {
+  await Notifications.scheduleNotificationAsync({
+    content: {
+      title: 'Medicamento disponible',
+      body: `${medicineName} está disponible en ${pharmacyName}`,
+      data: { type: 'medicine_availability' },
+    },
+    trigger: null,
+  });
+}
+
+export function addNotificationListener(
+  handler: (notification: Notifications.Notification) => void
+): Notifications.EventSubscription {
+  return Notifications.addNotificationReceivedListener(handler);
+}
+
+export function addNotificationResponseListener(
+  handler: (response: Notifications.NotificationResponse) => void
+): Notifications.EventSubscription {
+  return Notifications.addNotificationResponseReceivedListener(handler);
+}
@@ -0,0 +1,17 @@
+import api from './api';
+import { Pharmacy } from '../types';
+
+export async function getPharmacies(): Promise<Pharmacy[]> {
+  const response = await api.get('/pharmacies');
+  return response.data;
+}
+
+export async function getPharmacy(id: number): Promise<Pharmacy> {
+  const response = await api.get(`/pharmacies/${id}`);
+  return response.data;
+}
+
+export async function getPharmacyMedicines(id: number): Promise<any[]> {
+  const response = await api.get(`/pharmacies/${id}/medicines`);
+  return response.data;
+}
@@ -0,0 +1,38 @@
+import { create } from 'zustand';
+import { User } from '../types';
+import * as authService from '../services/auth';
+
+interface AuthState {
+  user: User | null;
+  isLoading: boolean;
+  isAuthenticated: boolean;
+  login: (username: string, password: string) => Promise<void>;
+  logout: () => Promise<void>;
+  checkAuth: () => Promise<void>;
+}
+
+export const useAuthStore = create<AuthState>((set) => ({
+  user: null,
+  isLoading: true,
+  isAuthenticated: false,
+
+  login: async (username: string, password: string) => {
+    const { user } = await authService.login(username, password);
+    set({ user, isAuthenticated: true });
+  },
+
+  logout: async () => {
+    await authService.logout();
+    set({ user: null, isAuthenticated: false });
+  },
+
+  checkAuth: async () => {
+    set({ isLoading: true });
+    const user = await authService.checkAuth() || await authService.getStoredUser();
+    set({ 
+      user, 
+      isAuthenticated: !!user, 
+      isLoading: false 
+    });
+  },
+}));
@@ -0,0 +1,27 @@
+import { create } from 'zustand';
+import { Medicine } from '../types';
+
+interface SearchState {
+  query: string;
+  results: Medicine[];
+  isLoading: boolean;
+  error: string | null;
+  setQuery: (query: string) => void;
+  setResults: (results: Medicine[]) => void;
+  setLoading: (loading: boolean) => void;
+  setError: (error: string | null) => void;
+  clearResults: () => void;
+}
+
+export const useSearchStore = create<SearchState>((set) => ({
+  query: '',
+  results: [],
+  isLoading: false,
+  error: null,
+
+  setQuery: (query) => set({ query }),
+  setResults: (results) => set({ results, isLoading: false }),
+  setLoading: (isLoading) => set({ isLoading }),
+  setError: (error) => set({ error, isLoading: false }),
+  clearResults: () => set({ results: [], query: '', error: null }),
+}));
@@ -0,0 +1,16 @@
+{
+  "extends": "expo/tsconfig.base",
+  "compilerOptions": {
+    "strict": true,
+    "baseUrl": ".",
+    "paths": {
+      "@/*": [
+        "./*"
+      ]
+    }
+  },
+  "include": [
+    "**/*.ts",
+    "**/*.tsx"
+  ]
+}
@@ -0,0 +1,51 @@
+export interface Medicine {
+  nregistro: string;
+  nombre: string;
+  principioActivo: string;
+  laboratorio: string;
+  formaFarmaceutica: string;
+  precio: number | null;
+  stock: number;
+  disponibilidad: 'disponible' | 'sin_stock' | 'bajo_stock';
+}
+
+export interface Pharmacy {
+  id: number;
+  name: string;
+  address: string;
+  phone: string;
+  latitude: number;
+  longitude: number;
+}
+
+export interface PharmacyMedicine {
+  id: number;
+  pharmacy_id: number;
+  medicine_nregistro: string;
+  medicine_name: string;
+  price: number;
+  stock: number;
+  pharmacy?: Pharmacy;
+}
+
+export interface User {
+  id: number;
+  username: string;
+  is_admin: boolean;
+}
+
+export interface AuthResponse {
+  user: User;
+  token: string;
+}
+
+export interface SearchResponse {
+  medicines: Medicine[];
+  total: number;
+}
+
+export interface ApiResponse<T> {
+  data: T;
+  success: boolean;
+  error?: string;
+}
@@ -0,0 +1,18 @@
+# Grafana Faro (browser RUM) — Vite build-time env vars.
+# These are inlined into the production bundle at build time.
+# Copy to .env and adjust as needed for local dev.
+
+# OTLP HTTP endpoint of the Grafana Alloy collector.
+# In Docker on the same host as Alloy, use http://localhost:4318 (the
+# container's perspective of the host). For external deploys, use the
+# Alloy's public URL, e.g. https://alloy.example.com.
+VITE_FARO_ENDPOINT=http://localhost:4318
+
+# App name shown in Grafana Explore / Faro data source.
+VITE_FARO_APP_NAME=farmaclic-frontend
+
+# Environment label (production | staging | development).
+VITE_FARO_ENV=production
+
+# App version (set by CI from the package version or git tag).
+VITE_FARO_APP_VERSION=1.0.0
@@ -0,0 +1,19 @@
+FROM node:20-alpine AS build
+ARG VITE_FARO_ENDPOINT
+ARG VITE_FARO_APP_NAME=farmaclic-frontend
+ARG VITE_FARO_ENV=production
+ARG VITE_FARO_APP_VERSION=1.0.0
+ENV VITE_FARO_ENDPOINT=$VITE_FARO_ENDPOINT
+ENV VITE_FARO_APP_NAME=$VITE_FARO_APP_NAME
+ENV VITE_FARO_ENV=$VITE_FARO_ENV
+ENV VITE_FARO_APP_VERSION=$VITE_FARO_APP_VERSION
+WORKDIR /app
+COPY package*.json ./
+RUN npm ci
+COPY . .
+RUN npm run build
+
+FROM nginx:alpine
+COPY --from=build /app/dist /usr/share/nginx/html
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+EXPOSE 80
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html lang="es">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, viewport-fit=cover" />
+    <meta name="theme-color" content="#7fbf8f" />
+    <title>FarmaClic</title>
+    <link rel="icon" href="/favicon.png" type="image/png" />
+    <link rel="icon" href="/favicon.ico" sizes="32x32" />
+    <link rel="apple-touch-icon" href="/farmaclic_logo.png" />
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link href="https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap" rel="stylesheet">
+  </head>
+  <body>
+    <div id="root"></div>
+    <script type="module" src="/src/main.jsx"></script>
+  </body>
+
@@ -0,0 +1,16 @@
+server {
+    listen 80;
+    root /usr/share/nginx/html;
+    index index.html;
+
+    location /api/ {
+        proxy_pass http://backend:3001;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    }
+
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+}
@@ -0,0 +1,37 @@
+{
+  "name": "farma-clic-frontend",
+  "version": "1.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "vite build",
+    "preview": "vite preview",
+    "test": "vitest"
+  },
+  "dependencies": {
+    "@capacitor-mlkit/barcode-scanning": "^8.1.0",
+    "@capacitor/app": "^8.1.0",
+    "@capacitor/core": "^8.4.1",
+    "@capacitor/splash-screen": "^8.0.1",
+    "@capacitor/status-bar": "^8.0.2",
+    "@grafana/faro-react": "^1.7.0",
+    "@grafana/faro-transport-otlp-http": "^1.7.0",
+    "@grafana/faro-web-sdk": "^1.7.0",
+    "@grafana/faro-web-tracing": "^1.7.0",
+    "@zxing/browser": "^0.2.0",
+    "@zxing/library": "^0.22.0",
+    "leaflet": "^1.9.4",
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0",
+    "react-leaflet": "^4.2.1"
+  },
+  "devDependencies": {
+    "@testing-library/jest-dom": "^6.4.0",
+    "@testing-library/react": "^14.2.0",
+    "@vitejs/plugin-react": "^4.2.1",
+    "jsdom": "^24.0.0",
+    "vite": "^5.0.8",
+    "vite-plugin-pwa": "^1.3.0",
+    "vitest": "^1.6.0"
+  }
+}
@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
+  <rect width="512" height="512" fill="#2563eb"/>
+  <g fill="#ffffff">
+    <rect x="216" y="160" width="80" height="192" rx="20"/>
+    <rect x="160" y="216" width="192" height="80" rx="20"/>
+  </g>
+</svg>
@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
+  <rect width="512" height="512" rx="96" fill="#2563eb"/>
+  <g fill="#ffffff">
+    <rect x="216" y="120" width="80" height="272" rx="20"/>
+    <rect x="120" y="216" width="272" height="80" rx="20"/>
+  </g>
+</svg>
@@ -0,0 +1,149 @@
+.app {
+  height: 100dvh;
+  max-width: 48rem;
+  margin: 0 auto;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+}
+
+.app-content {
+  flex: 1;
+  min-height: 0;
+  overflow-y: auto;
+  overscroll-behavior-y: contain;
+}
+
+/* Mobile-specific styles */
+.mobile-view {
+  width: 100%;
+  padding: 0;
+  margin: 0;
+}
+
+/* Desktop-specific styles */
+.desktop-view {
+  max-width: 100%;
+  padding: 0 var(--margin-main);
+}
+
+/* Mobile-specific view adjustments */
+@media (max-width: 768px) {
+  .app-logo-wrapper {
+    flex-direction: column;
+  }
+  
+  .home-card--scan {
+    min-height: 4.25rem;
+    padding: 0.75rem 1.25rem;
+  }
+  
+  .home-card-icon {
+    width: 2.75rem;
+    height: 2.75rem;
+  }
+}
+
+/* Tablet-specific styles */
+@media (min-width: 769px) and (max-width: 1024px) {
+  .home-card {
+    min-height: 4rem;
+    padding: 0.625rem 1rem;
+  }
+}
+
+/* Desktop-specific styles */
+@media (min-width: 1025px) {
+  .app-content {
+    padding: 0 5rem;
+  }
+  
+  .home-card {
+    min-height: 3.5rem;
+    padding: 0.5rem 0.875rem;
+  }
+}
+
+body {
+  min-height: 100vh;
+  font-size: calc(16px + 0.5vmin);
+  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
+  color: var(--on-surface);
+  background-color: var(--surface-container-lowest);
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+/* Touch target sizing for mobile */
+@media (max-width: 768px) {
+  a, button {
+    min-height: 4rem;
+    padding: 1rem;
+  }
+}
+
+/* Card styling improvements */
+.home-card {
+  width: 100%;
+  max-width: 28rem;
+  min-height: fit-content;
+  transition: transform 0.15s, box-shadow 0.15s;
+}
+
+.home-card:hover {
+  transform: translateY(-3px);
+  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.1);
+}
+
+/* Fluid typography */
+.home-desc {
+  font-size: clamp(1rem, 100vw, 1.5rem);
+  max-width: 100%;
+}
+
+.home-card-label {
+  font-size: clamp(1rem, 100vw, 1.25rem);
+}
+
+/* Global button styles using pastel variables */
+button,
+.btn {
+  appearance: none;
+  background: var(--primary);
+  color: var(--on-primary);
+  border: none;
+  padding: 0.6rem 1rem;
+  border-radius: var(--radius);
+  box-shadow: var(--primary-shadow);
+  transition: background-color 160ms ease, transform 120ms ease, box-shadow 160ms ease;
+  cursor: pointer;
+}
+
+button:hover,
+.btn:hover {
+  background: var(--primary-hover);
+  transform: translateY(-1px);
+}
+
+button:focus,
+.btn:focus {
+  outline: none;
+  box-shadow: 0 0 0 6px var(--primary-ring);
+}
+
+/* Outline / subtle buttons */
+.btn--outline {
+  background: transparent;
+  color: var(--on-secondary);
+  border: 1px solid var(--secondary-container);
+}
+
+.btn--secondary {
+  background: var(--secondary);
+  color: var(--on-secondary);
+}
+
+.btn--ghost {
+  background: transparent;
+  color: var(--on-surface);
+}
@@ -0,0 +1,163 @@
+import React, { useState, useEffect } from 'react';
+import './App.css';
+import HomeView from './views/HomeView';
+import SearchView from './views/SearchView';
+import ScannerView from './views/ScannerView';
+import AlertsView from './views/AlertsView';
+import ProfileView from './views/ProfileView';
+import AdminView from './views/AdminView';
+import LoginModal from './components/LoginModal';
+import SavedNotifications from './components/SavedNotifications';
+import BottomNav from './components/BottomNav';
+
+function App() {
+  const [screen, setScreen] = useState('home');
+  const [currentUser, setCurrentUser] = useState(null);
+  const [authChecked, setAuthChecked] = useState(false);
+  const [showLogin, setShowLogin] = useState(false);
+  const [showSaved, setShowSaved] = useState(false);
+  const [screenSize, setScreenSize] = useState({
+    width: window.innerWidth,
+    height: window.innerHeight
+  });
+
+  // Device detection
+  const isMobile = screenSize.width <= 768;
+  const isTablet = screenSize.width > 768 && screenSize.width <= 1024;
+  const isDesktop = screenSize.width > 1024;
+
+  useEffect(() => {
+    // Set initial screen size
+    const handleResize = () => {
+      setScreenSize({
+        width: window.innerWidth,
+        height: window.innerHeight
+      });
+    };
+
+    fetch('/api/auth/check')
+      .then(r => r.json())
+      .then(data => { if (data.authenticated) setCurrentUser(data.user); })
+      .catch(() => {})
+      .finally(() => setAuthChecked(true));
+
+    window.addEventListener('resize', handleResize);
+    return () => window.removeEventListener('resize', handleResize);
+  }, []);
+
+  function handleLogin(user) {
+    setCurrentUser(user);
+    setShowLogin(false);
+  }
+
+  async function handleLogout() {
+    await fetch('/api/auth/logout', { method: 'POST' }).catch(() => {});
+    setCurrentUser(null);
+    setScreen('home');
+  }
+
+  function handleProfileSaved(updated) {
+    setCurrentUser(prev => ({ ...prev, ...updated }));
+  }
+
+  function handleAdminClick() {
+    setScreen('admin');
+  }
+
+  const isLoggedIn = Boolean(currentUser);
+
+  function handleNavChange(tab) {
+    if (tab === 'home') { setScreen('home'); return; }
+    if (tab === 'search') { setScreen('search'); return; }
+    if (tab === 'scan') { setScreen('scan'); return; }
+    if (tab === 'alerts') {
+      if (currentUser) setScreen('alerts');
+      else setShowLogin(true);
+      return;
+    }
+    if (tab === 'profile') {
+      if (currentUser) setScreen('profile');
+      else setShowLogin(true);
+      return;
+    }
+  }
+
+  let activeView;
+  let deviceClass = isMobile ? 'mobile-view' : 'desktop-view';
+
+  switch (screen) {
+    case 'profile':
+      activeView = (
+        <ProfileView
+          currentUser={currentUser}
+          onProfileSaved={handleProfileSaved}
+          onShowSaved={() => setShowSaved(true)}
+          onLogout={handleLogout}
+          onAdminClick={handleAdminClick}
+        />
+      );
+      break;
+    case 'alerts':
+      activeView = <AlertsView />;
+      break;
+    case 'search':
+      activeView = (
+        <SearchView
+          currentUser={currentUser}
+          onLoginRequest={() => setShowLogin(true)}
+        />
+      );
+      break;
+    case 'scan':
+      activeView = (
+        <ScannerView
+          onClose={() => setScreen('home')}
+          onSelectMedicine={(name) => {
+            setScreen('home');
+          }}
+        />
+      );
+      break;
+    case 'admin':
+      activeView = <AdminView />;
+      break;
+    default:
+      activeView = (
+        <HomeView
+          currentUser={currentUser}
+          onLoginRequest={() => setShowLogin(true)}
+          onScanClick={() => setScreen('scan')}
+          onSearchClick={() => setScreen('search')}
+        />
+      );
+      break;
+  }
+
+  return (
+    <div className={`app ${deviceClass}`}>
+      <div className="app-content">
+        {activeView}
+      </div>
+
+      <BottomNav
+        activeTab={screen}
+        onChange={handleNavChange}
+        isLoggedIn={Boolean(currentUser)}
+        badgeCount={currentUser ? 2 : 0}
+      />
+
+      {showLogin && (
+        <LoginModal
+          onLogin={handleLogin}
+          onClose={() => setShowLogin(false)}
+        />
+      )}
+
+      {showSaved && currentUser && (
+        <SavedNotifications onClose={() => setShowSaved(false)} />
+      )}
+    </div>
+  );
+}
+
+export default App;
@@ -0,0 +1,94 @@
+import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest'
+import { render, screen, fireEvent, act } from '@testing-library/react'
+import HomeView from './views/HomeView.jsx'
+import SearchView from './views/SearchView.jsx'
+
+beforeEach(() => {
+  vi.useFakeTimers()
+})
+
+afterEach(() => {
+  vi.restoreAllMocks()
+  vi.useRealTimers()
+})
+
+describe('HomeView', () => {
+  it('renders two action buttons on the home screen', () => {
+    const onSearch = vi.fn()
+    const onScan = vi.fn()
+    render(<HomeView onSearchClick={onSearch} onScanClick={onScan} />)
+    expect(screen.getByRole('button', { name: /buscar medicamento/i })).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: /escanear tsi/i })).toBeInTheDocument()
+  })
+
+  it('calls onSearchClick when Buscar Medicamento is clicked', async () => {
+    const onSearch = vi.fn()
+    render(<HomeView onSearchClick={onSearch} onScanClick={vi.fn()} />)
+    fireEvent.click(screen.getByRole('button', { name: /buscar medicamento/i }))
+    expect(onSearch).toHaveBeenCalledTimes(1)
+  })
+})
+
+describe('SearchView', () => {
+  it('renders search bar with placeholder', () => {
+    render(<SearchView />)
+    expect(screen.getByPlaceholderText(/escriba el nombre del medicamento/i)).toBeInTheDocument()
+  })
+
+  it('does not fetch for queries shorter than 2 chars', async () => {
+    const fetchMock = vi.spyOn(globalThis, 'fetch')
+    render(<SearchView />)
+
+    fireEvent.change(screen.getByPlaceholderText(/escriba el nombre del medicamento/i), {
+      target: { value: 'a' },
+    })
+
+    await act(async () => {
+      await vi.runAllTimersAsync()
+    })
+
+    expect(fetchMock).not.toHaveBeenCalled()
+  })
+
+  it('fetches and displays results for valid query', async () => {
+    const medicines = [
+      { id: 'REG001', name: 'Ibuprofeno 400mg', active_ingredient: 'Ibuprofeno', dosage: '400mg', form: 'Comprimido' },
+    ]
+    vi.spyOn(globalThis, 'fetch').mockResolvedValue({
+      json: async () => medicines,
+    })
+
+    render(<SearchView />)
+
+    fireEvent.change(screen.getByPlaceholderText(/escriba el nombre del medicamento/i), {
+      target: { value: 'ibu' },
+    })
+
+    await act(async () => {
+      await vi.runAllTimersAsync()
+    })
+
+    expect(screen.getByText('Ibuprofeno 400mg')).toBeInTheDocument()
+  })
+
+  it('clears results when query is cleared after a search', async () => {
+    const medicines = [
+      { id: 'REG001', name: 'Ibuprofeno 400mg', active_ingredient: 'Ibuprofeno', dosage: '400mg', form: 'Comprimido' },
+    ]
+    vi.spyOn(globalThis, 'fetch').mockResolvedValue({
+      json: async () => medicines,
+    })
+
+    render(<SearchView />)
+    const input = screen.getByPlaceholderText(/escriba el nombre del medicamento/i)
+
+    fireEvent.change(input, { target: { value: 'ibu' } })
+    await act(async () => { await vi.runAllTimersAsync() })
+    expect(screen.getByText('Ibuprofeno 400mg')).toBeInTheDocument()
+
+    fireEvent.change(input, { target: { value: '' } })
+    await act(async () => { await vi.runAllTimersAsync() })
+
+    expect(screen.queryByText('Ibuprofeno 400mg')).not.toBeInTheDocument()
+  })
+})
@@ -0,0 +1,143 @@
+.bottom-nav {
+  display: flex;
+  justify-content: space-around;
+  align-items: flex-end;
+  width: 100%;
+  max-width: 48rem;
+  z-index: 50;
+  padding: 0.25rem 0.5rem calc(0.5rem + env(safe-area-inset-bottom));
+  background: var(--surface-container-lowest);
+  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
+  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
+  height: 5.5rem;
+  flex-shrink: 0;
+  margin: 0 auto;
+}
+
+/* Desktop navigation - full width */
+@media (min-width: 1025px) {
+  .bottom-nav {
+    max-width: 100%;
+    padding: 0.25rem 2rem calc(0.5rem + env(safe-area-inset-bottom));
+    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
+  }
+}
+
+.bottom-nav-item {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: flex-end;
+  gap: 0.15rem;
+  padding: 0.25rem 0.5rem;
+  background: transparent;
+  border: none;
+  cursor: pointer;
+  color: var(--on-surface-variant);
+  font: inherit;
+  -webkit-tap-highlight-color: transparent;
+  transition: color 0.15s;
+  position: relative;
+  min-width: 3.5rem;
+}
+
+.bottom-nav-item.disabled {
+  opacity: 0.4;
+  cursor: not-allowed;
+}
+
+.nav-icon-wrap {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 2.75rem;
+  height: 2.75rem;
+  border-radius: var(--radius-full);
+  color: inherit;
+  position: relative;
+}
+
+.nav-fab {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 3.5rem;
+  height: 3.5rem;
+  border-radius: var(--radius-full);
+  /* Stronger, brighter blue to make scan button easy to find */
+  background: #2b5bb5;
+  color: #ffffff;
+  box-shadow: 0 8px 26px rgba(43, 91, 181, 0.32);
+  margin-top: -1.5rem;
+  transition: transform 0.12s, box-shadow 160ms ease;
+}
+
+.nav-fab:active {
+  transform: scale(0.92);
+}
+
+.nav-fab:hover {
+  transform: translateY(-2px);
+  box-shadow: 0 12px 36px rgba(43, 91, 181, 0.36);
+}
+
+.nav-fab:focus {
+  outline: none;
+  box-shadow: 0 0 0 6px rgba(43,91,181,0.12), 0 8px 26px rgba(43, 91, 181, 0.32);
+}
+
+.nav-badge {
+  position: absolute;
+  top: 0;
+  right: -2px;
+  width: 1.125rem;
+  height: 1.125rem;
+  background: var(--error);
+  color: var(--on-error);
+  font-size: 0.625rem;
+  font-weight: 700;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: var(--radius-full);
+  border: 2px solid var(--surface-container-lowest);
+  line-height: 1;
+}
+
+.nav-label {
+  font-size: 0.7rem;
+  font-weight: 500;
+  line-height: 1;
+  color: var(--on-surface-variant);
+}
+
+.nav-label--active {
+  color: var(--primary);
+  font-weight: 700;
+}
+
+.nav-indicator {
+  width: 0.375rem;
+  height: 0.375rem;
+  background: var(--primary);
+  border-radius: var(--radius-full);
+  margin-top: 0.125rem;
+}
+
+.bottom-nav-item.active .nav-icon-wrap {
+  color: var(--primary);
+}
+
+.bottom-nav-item.active .nav-icon-wrap svg {
+  stroke-width: 2.5;
+}
+
+.bottom-nav-item:hover {
+  color: var(--primary);
+  background: transparent;
+  font-weight: 700;
+}
+
+.nav-elevated.active .nav-label {
+  color: var(--tertiary);
+}
--- a/Show More
+++ b/Show More