diff --git a/app.py b/app.py
index 98abf8b..d597cfc 100644
--- a/app.py
+++ b/app.py
@@ -1,6 +1,7 @@
 import os
 import sqlite3
 import requests
+from flask import send_file
 from flask import Flask, render_template, request, jsonify, redirect, url_for, flash, send_from_directory
 from flask_socketio import SocketIO, emit
 from flask_login import LoginManager, UserMixin, login_user, login_required, logout_user, current_user
@@ -508,7 +509,31 @@ def delete_dicom(debtor_id):
     except Exception as e:
         return jsonify({"error": str(e)}), 500
     
+@app.route('/settings/update', methods=['POST'])
+@login_required
+def update_settings():
+    new_password = request.form.get('password')
+    profile_pic = request.form.get('profile_pic')
     
+    with sqlite3.connect(DB_FILE) as conn:
+        if new_password and len(new_password) > 0:
+            hashed_pw = generate_password_hash(new_password)
+            conn.execute('UPDATE users SET password = ? WHERE id = ?', (hashed_pw, current_user.id))
+        
+        if profile_pic:
+            conn.execute('UPDATE users SET profile_pic = ? WHERE id = ?', (profile_pic, current_user.id))
+        conn.commit()
+    
+    flash('Configuración actualizada')
+    return redirect(request.referrer)
+
+@app.route('/export/db')
+@login_required
+def export_db():
+    if os.path.exists(DB_FILE):
+        return send_file(DB_FILE, as_attachment=True, download_name=f"SekiPOS_Backup_{datetime.now().strftime('%Y%m%d')}.db", mimetype='application/x-sqlite3')
+    return "Error: Database file not found", 404
+
 # @app.route('/process_payment', methods=['POST'])
 # @login_required
 # def process_payment():
diff --git a/static/style.css b/static/style.css
index fd19f0a..7714010 100644
--- a/static/style.css
+++ b/static/style.css
@@ -48,6 +48,15 @@
         background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23dcddde' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e") !important;
     }
 
+    [data-theme="dark"] .modal-content {
+        background-color: var(--card-bg);
+        border-color: var(--border);
+    }
+
+    .rounded-circle {
+        border: 1px solid var(--border);
+    }
+
     body {
         background: var(--bg);
         color: var(--text-main);
diff --git a/templates/macros/navbar.html b/templates/macros/navbar.html
index 55d8983..368f398 100644
--- a/templates/macros/navbar.html
+++ b/templates/macros/navbar.html
@@ -29,13 +29,15 @@
             <ul class="dropdown-menu dropdown-menu-end shadow">
                 <li>
                     <button class="dropdown-item" onclick="toggleTheme()">
-                        <i class="bi bi-moon-stars me-2" id="theme-icon"></i>
-                        <span id="theme-label">Modo Oscuro</span>
+                        <i class="bi bi-moon-stars me-2"></i>Modo Oscuro
                     </button>
                 </li>
                 <li>
-                    <hr class="dropdown-divider" style="border-color: var(--border);">
+                    <a class="dropdown-item" href="/export/db">
+                        <i class="bi bi-database-down me-2"></i>Descargar DB
+                    </a>
                 </li>
+                <li><hr class="dropdown-divider"></li>
                 <li>
                     <a class="dropdown-item text-danger" href="/logout">
                         <i class="bi bi-box-arrow-right me-2"></i>Salir