diff --git a/cabecera.html b/cabecera.html
new file mode 100644
index 0000000..2cb7fba
--- /dev/null
+++ b/cabecera.html
@@ -0,0 +1,96 @@
+<!-- cabecera.html -->
+	<nav class="navbar navbar-expand-lg navbar-kahoot py-3 mb-4">
+	    <div class="container">
+	        <a class="navbar-brand" href="index.php">
+	            <img src="img/favicon/favicon.svg" alt="TRIVIAGMÁTICO" class="me-2" style="height: 35px;">
+	            TRIVIAGMÁTICO
+	        </a>
+	
+	        <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarContent">
+	            <span class="navbar-toggler-icon"></span>
+	        </button>
+	
+	        <div class="collapse navbar-collapse" id="navbarContent">
+	            <ul class="navbar-nav me-auto mb-2 mb-lg-0"></ul>
+	
+	            <!-- Contenedor dinámico de usuario/botones -->
+	            <div class="d-flex align-items-center gap-3" id="contenedorUsuarioCabecera"></div>
+	        </div>
+	    </div>
+	</nav>
+	
+	<!-- MODAL DE LOGIN -->
+	<div class="modal fade" id="modalLogin" tabindex="-1" aria-labelledby="loginModalLabel" aria-hidden="true">
+	    <div class="modal-dialog modal-dialog-centered">
+	        <div class="modal-content border-dark">
+	            <div class="modal-header">
+	                <h1 class="modal-title fs-5 fw-bold" id="loginModalLabel">
+	                    <i class="fa-solid fa-right-to-bracket text-primary me-2"></i>Iniciar sesión
+	                </h1>
+	                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Cerrar"></button>
+	            </div>
+	            <div class="modal-body">
+	                <form id="formLogin">
+	                    <div class="form-floating mb-3">
+	                        <input type="email" class="form-control border-dark" id="loginEmail" name="email" placeholder="Correo electrónico" required>
+	                        <label for="loginEmail">Correo electrónico</label>
+	                    </div>
+	                    <div class="form-floating mb-3">
+	                        <input type="password" class="form-control border-dark" id="loginPassword" name="contrasena" placeholder="Contraseña" required>
+	                        <label for="loginPassword">Contraseña</label>
+	                    </div>
+	                    <div class="form-check">
+	                        <input class="form-check-input" id="recordar" name="recordar" type="checkbox" />
+	                        <label for="recordar" class="small">Recuérdeme durante 10 días</label>
+	                    </div>
+	                    <input type="hidden" name="orden" value="validar">
+	                </form>
+	                <div id="errorLogin" class="text-danger fw-bold mt-2"></div>
+	            </div>
+	            <div class="modal-footer">
+	                <button type="button" class="btn btn-secondary rounded-pill px-3" data-bs-dismiss="modal">Cancelar</button>
+	                <button type="button" class="btn btn-primary rounded-pill px-4" id="botonAceptarLogin">Entrar</button>
+	            </div>
+	        </div>
+	    </div>
+	</div>
+	
+	<!-- MODAL DE REGISTRO -->
+	<div class="modal fade" id="modalRegistro" tabindex="-1" aria-labelledby="registroModalLabel" aria-hidden="true">
+	    <div class="modal-dialog modal-dialog-centered">
+	        <div class="modal-content border-dark">
+	            <div class="modal-header">
+	                <h1 class="modal-title fs-5 fw-bold" id="registroModalLabel">
+	                    <i class="fa-solid fa-user-plus text-success me-2"></i>Registrarse
+	                </h1>
+	                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Cerrar"></button>
+	            </div>
+	            <div class="modal-body">
+	                <form id="formRegistro">
+	                    <div class="form-floating mb-3">
+	                        <input type="text" class="form-control border-dark" id="regNombre" name="nombreUsuario" placeholder="Nombre" required>
+	                        <label for="regNombre">Nombre</label>
+	                    </div>
+	                    <div class="form-floating mb-3">
+	                        <input type="email" class="form-control border-dark" id="regEmail" name="email" placeholder="Correo electrónico" required>
+	                        <label for="regEmail">Correo electrónico</label>
+	                    </div>
+	                    <div class="form-floating mb-3">
+	                        <input type="password" class="form-control border-dark" id="regPassword" name="contrasena" placeholder="Contraseña" required>
+	                        <label for="regPassword">Contraseña</label>
+	                    </div>
+	                    <div class="form-floating mb-3">
+	                        <input type="password" class="form-control border-dark" id="regPasswordConfirm" name="contrasenaConfirm" placeholder="Confirmar contraseña" required>
+	                        <label for="regPasswordConfirm">Confirmar contraseña</label>
+	                    </div>
+	                    <input type="hidden" name="orden" value="registrar">
+                        <div class="modal-footer">
+                            <button type="button" class="btn btn-secondary rounded-pill px-3" data-bs-dismiss="modal">Cancelar</button>
+                            <input type="submit" value="Registrarse"  class="btn btn-success rounded-pill px-4" id="botonAceptarRegistro"></input>
+                        </div>
+	                </form>
+	                <div id="errorRegistro" class="text-danger fw-bold mt-2"></div>
+	            </div>
+	        </div>
+	    </div>
+	</div>
\ No newline at end of file
diff --git a/cabecera.php b/cabecera.php
deleted file mode 100644
index 8ea7501..0000000
--- a/cabecera.php
+++ /dev/null
@@ -1,108 +0,0 @@
-<!-- Bootstrap 5 CSS -->
-<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
-<!-- FontAwesome para iconos -->
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.2/css/all.min.css">
-<!-- Google Fonts para estilo Kahoot -->
-<link href="https://fonts.googleapis.com/css2?family=Fredoka:wght@400;600;700&display=swap" rel="stylesheet">
-<link rel="stylesheet" href="css/index.css">
-<script src="js/jquery-4.0.0.min.js"></script>
-
-<nav class="navbar navbar-expand-lg navbar-kahoot py-3 mb-4">
-    <div class="container">
-        <a class="navbar-brand" href="index.php">
-            <img src="img/favicon/favicon.svg" alt="TRIVIAGMÁTICO" class="me-2" style="height: 35px;">
-            TRIVIAGMÁTICO
-        </a>
-
-        <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarContent">
-            <span class="navbar-toggler-icon"></span>
-        </button>
-
-        <div class="collapse navbar-collapse" id="navbarContent">
-            <ul class="navbar-nav me-auto mb-2 mb-lg-0"></ul>
-
-            <!-- Contenedor dinámico de usuario/botones -->
-            <div class="d-flex align-items-center gap-3" id="contenedorUsuarioCabecera">
-                
-            </div>
-        </div>
-    </div>
-</nav>
-
-<!-- MODAL DE LOGIN -->
-<div class="modal fade" id="modalLogin" tabindex="-1" aria-labelledby="loginModalLabel" aria-hidden="true">
-    <div class="modal-dialog modal-dialog-centered">
-        <div class="modal-content border-dark">
-            <div class="modal-header">
-                <h1 class="modal-title fs-5 fw-bold" id="loginModalLabel">
-                    <i class="fa-solid fa-right-to-bracket text-primary me-2"></i>Iniciar sesión
-                </h1>
-                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Cerrar"></button>
-            </div>
-            <div class="modal-body">
-                <form id="formLogin">
-                    <div class="form-floating mb-3">
-                        <input type="email" class="form-control border-dark" id="loginEmail" name="email" placeholder="Correo electrónico" required>
-                        <label for="loginEmail">Correo electrónico</label>
-                    </div>
-                    <div class="form-floating mb-3">
-                        <input type="password" class="form-control border-dark" id="loginPassword" name="contrasena" placeholder="Contraseña" required>
-                        <label for="loginPassword">Contraseña</label>
-                    </div>
-                    <div class="form-check">
-                        <input class="form-check-input" id="recordar" name="recordar" type="checkbox" />
-                        <label for="recordar" class="small">Recuérdeme durante 10 días</label>
-                    </div>
-                    <input type="hidden" name="orden" value="validar">
-                </form>
-                <div id="errorLogin" class="text-danger fw-bold mt-2"></div>
-            </div>
-            <div class="modal-footer">
-                <button type="button" class="btn btn-secondary rounded-pill px-3" data-bs-dismiss="modal">Cancelar</button>
-                <button type="button" class="btn btn-primary rounded-pill px-4" id="botonAceptarLogin">Entrar</button>
-            </div>
-        </div>
-    </div>
-</div>
-
-<!-- MODAL DE REGISTRO -->
-<div class="modal fade" id="modalRegistro" tabindex="-1" aria-labelledby="registroModalLabel" aria-hidden="true">
-    <div class="modal-dialog modal-dialog-centered">
-        <div class="modal-content border-dark">
-            <div class="modal-header">
-                <h1 class="modal-title fs-5 fw-bold" id="registroModalLabel">
-                    <i class="fa-solid fa-user-plus text-success me-2"></i>Registrarse
-                </h1>
-                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Cerrar"></button>
-            </div>
-            <div class="modal-body">
-                <form id="formRegistro">
-                    <div class="form-floating mb-3">
-                        <input type="text" class="form-control border-dark" id="regNombre" name="nombreUsuario" placeholder="Nombre" required>
-                        <label for="regNombre">Nombre</label>
-                    </div>
-                    <div class="form-floating mb-3">
-                        <input type="email" class="form-control border-dark" id="regEmail" name="email" placeholder="Correo electrónico" required>
-                        <label for="regEmail">Correo electrónico</label>
-                    </div>
-                    <div class="form-floating mb-3">
-                        <input type="password" class="form-control border-dark" id="regPassword" name="contrasena" placeholder="Contraseña" required>
-                        <label for="regPassword">Contraseña</label>
-                    </div>
-                    <div class="form-floating mb-3">
-                        <input type="password" class="form-control border-dark" id="regPasswordConfirm" name="contrasenaConfirm" placeholder="Confirmar contraseña" required>
-                        <label for="regPasswordConfirm">Confirmar contraseña</label>
-                    </div>
-                    <input type="hidden" name="orden" value="registrar">
-                </form>
-                <div id="errorRegistro" class="text-danger fw-bold mt-2"></div>
-            </div>
-            <div class="modal-footer">
-                <button type="button" class="btn btn-secondary rounded-pill px-3" data-bs-dismiss="modal">Cancelar</button>
-                <button type="button" class="btn btn-success rounded-pill px-4" id="botonAceptarRegistro">Registrarse</button>
-            </div>
-        </div>
-    </div>
-</div>
-
-<script src="js/cabecera.js"></script>
\ No newline at end of file
diff --git a/js/cabecera.js b/js/cabecera.js
index 09eb81b..47798fa 100644
--- a/js/cabecera.js
+++ b/js/cabecera.js
@@ -92,7 +92,7 @@ function comprobarSesion() {
 }
 
 //  Registro
-$("#botonAceptarRegistro").click(function (event) {
+$("#formRegistro").on("submit", function (event) {
   event.preventDefault();
 
   let nombreUsuario = $("#regNombre").val().trim();