diff --git a/src/components/Sidebar.js b/src/components/Sidebar.js
new file mode 100644
index 0000000..24e2e6c
--- /dev/null
+++ b/src/components/Sidebar.js
@@ -0,0 +1,48 @@
+import { auth } from '../services/auth.js';
+import { getPages } from '../pages/pagesRegistry.js';
+
+export function renderSidebar() {
+  const sidebar = document.createElement('aside');
+  sidebar.className = 'sidebar';
+
+  const appName = document.createElement('div');
+  appName.className = 'sidebar-brand';
+  appName.textContent = 'Aventa';
+
+  const nav = document.createElement('nav');
+  nav.className = 'sidebar-nav';
+
+  const items = getPages().map(p => ({ label: p.label, hash: p.hash }));
+
+  items.forEach(({ label, hash }) => {
+    const link = document.createElement('a');
+    link.className = 'nav-link';
+    link.href = hash;
+    link.textContent = label;
+
+    if (window.location.hash === hash) {
+      link.classList.add('active');
+    }
+
+    nav.appendChild(link);
+  });
+
+  const footer = document.createElement('div');
+  footer.className = 'sidebar-footer';
+
+  const logoutBtn = document.createElement('button');
+  logoutBtn.className = 'logout-button';
+  logoutBtn.textContent = 'Log out';
+  logoutBtn.addEventListener('click', () => {
+    auth.logout();
+    window.location.hash = '#login';
+  });
+
+  footer.appendChild(logoutBtn);
+
+  sidebar.appendChild(appName);
+  sidebar.appendChild(nav);
+  sidebar.appendChild(footer);
+
+  return sidebar;
+}
diff --git a/src/pages/pagesRegistry.js b/src/pages/pagesRegistry.js
new file mode 100644
index 0000000..e68ffe9
--- /dev/null
+++ b/src/pages/pagesRegistry.js
@@ -0,0 +1,53 @@
+function toLabel(name) {
+  return name
+    .replace(/([a-z])([A-Z])/g, '$1 $2')
+    .replace(/^./, s => s.toUpperCase());
+}
+
+function toHash(name) {
+  return `#${name.toLowerCase()}`;
+}
+
+function findRender(mod) {
+  if (typeof mod.renderPage === 'function') return mod.renderPage;
+  for (const key of Object.keys(mod)) {
+    const val = mod[key];
+    if (typeof val === 'function' && /^render/i.test(key)) return val;
+  }
+  if (typeof mod.default === 'function') return mod.default;
+  return null;
+}
+
+const modules = import.meta.glob('./*.js', { eager: true });
+
+const bannedPages = ['LoginPage.js'];
+
+const pages = Object.entries(modules)
+  .map(([path, mod]) => {
+    const file = path.split('/').pop();
+    const base = file.replace('.js', '');
+    if (bannedPages.includes(file)) return null;
+
+    // Derive page name from filename, strip common suffix "Page"
+    const name = base.replace(/Page$/, '');
+    const render = findRender(mod);
+    if (!render) return null;
+
+    return {
+      path,
+      name,
+      label: toLabel(name),
+      hash: toHash(name),
+      render
+    };
+  })
+  .filter(Boolean)
+  .sort((a, b) => a.label.localeCompare(b.label));
+
+export function getPages() {
+  return pages.slice();
+}
+
+export function getPageByHash(hash) {
+  return pages.find(p => p.hash === hash) || null;
+}
diff --git a/src/pages/test.js b/src/pages/test.js
new file mode 100644
index 0000000..5579423
--- /dev/null
+++ b/src/pages/test.js
@@ -0,0 +1,11 @@
+export function renderDashboard() {
+  const container = document.createElement('div');
+  container.className = 'dashboard';
+
+  container.innerHTML = `
+    <div class="dashboard-content">
+      <p>esto es un test</p>
+    </div>
+  `;
+  return container;
+}
diff --git a/src/router.js b/src/router.js
index a565ba9..4055b12 100644
--- a/src/router.js
+++ b/src/router.js
@@ -1,6 +1,7 @@
 import { auth } from './services/auth.js';
 import { renderLoginPage } from './pages/LoginPage.js';
-import { renderDashboard } from './pages/DashboardPage.js';
+import { getPageByHash } from './pages/pagesRegistry.js';
+import { renderSidebar } from './components/Sidebar.js';
 
 export function initRouter() {
   const app = document.querySelector('#app');
@@ -21,11 +22,23 @@ export function initRouter() {
           window.location.hash = '#dashboard';
         }));
         break;
-      case '#dashboard':
-        app.appendChild(renderDashboard());
+      default: {
+        // Dynamic page rendering with sidebar
+        const page = getPageByHash(hash);
+        if (!page) {
+          window.location.hash = '#dashboard';
+          return;
+        }
+        const layout = document.createElement('div');
+        layout.className = 'app-layout';
+        const sidebar = renderSidebar();
+        const main = document.createElement('main');
+        main.appendChild(page.render());
+        layout.appendChild(sidebar);
+        layout.appendChild(main);
+        app.appendChild(layout);
         break;
-      default:
-        window.location.hash = '#login';
+      }
     }
   }
 
diff --git a/src/style.css b/src/style.css
index 16aad82..26d6b27 100644
--- a/src/style.css
+++ b/src/style.css
@@ -194,10 +194,16 @@ button:focus-visible {
   justify-content: space-between;
   align-items: center;
   margin-bottom: 2rem;
+  padding: 1.5rem;
+  background: var(--card-bg);
+  border-radius: 12px;
+  border: 1px solid var(--border-color);
+  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
+  min-height: 100px;
 }
 
 .dashboard-header h1 {
-  font-size: 2rem;
+  font-size: 2.4rem;
   margin: 0;
 }
 
@@ -283,3 +289,58 @@ button:focus-visible {
 .card-stat.negative .card-stat-value {
   color: var(--danger);
 }
+
+/* Layout with sidebar */
+.app-layout {
+  display: grid;
+  grid-template-columns: 260px 1fr;
+  gap: 1.5rem;
+  align-items: start;
+}
+
+.sidebar {
+  position: sticky;
+  top: 1rem;
+  background: var(--card-bg);
+  border: 1px solid var(--border-color);
+  border-radius: 12px;
+  padding: 1rem;
+  height: fit-content;
+}
+
+.sidebar-brand {
+  font-weight: 700;
+  font-size: 1.2rem;
+  margin-bottom: 1rem;
+}
+
+.sidebar-nav {
+  display: flex;
+  flex-direction: column;
+  gap: 0.5rem;
+}
+
+.nav-link {
+  display: block;
+  padding: 0.6rem 0.8rem;
+  border-radius: 8px;
+  color: var(--text-primary);
+  text-decoration: none;
+  border: 1px solid transparent;
+}
+
+.nav-link:hover {
+  background: #f1f5f9;
+}
+
+.nav-link.active {
+  background: #eff6ff;
+  border-color: #bfdbfe;
+  color: #1e40af;
+}
+
+.sidebar-footer {
+  margin-top: 1rem;
+  display: flex;
+  justify-content: flex-start;
+}