diff --git a/nuxt4/app/app.vue b/nuxt4/app/app.vue
index 2642a4d..abadd62 100644
--- a/nuxt4/app/app.vue
+++ b/nuxt4/app/app.vue
@@ -3,114 +3,47 @@
     <NuxtRouteAnnouncer />
     <UNotifications />
 
-    <UContainer class="py-8">
-      <div class="space-y-6">
-        <!-- Header -->
-        <div class="text-center mb-8">
-          <h1 class="text-4xl font-bold mb-2">Plantilla Nuxt + Authentik</h1>
-          <p class="text-gray-600 dark:text-gray-400">
-            Ejemplo de integración con Authentik Proxy Outpost revisando cambios
-          </p>
-        </div>
+    <!-- Fondo animado -->
+    <AnimatedBackground />
 
-        <!-- Componentes de autenticación -->
+    <!-- Contenido principal -->
+    <div class="main-content">
+      <UContainer class="py-8">
         <div v-if="isAuthenticated" class="space-y-6">
-          <!-- Lista de aplicaciones (ancho completo) -->
+          <!-- Header principal con info del usuario -->
+          <UserHeader />
+
+          <!-- Lista de aplicaciones -->
           <AuthApplicationsList />
 
-          <!-- Grid de 2 columnas para el resto -->
-          <div class="grid gap-6 lg:grid-cols-2">
-            <!-- Columna izquierda -->
-            <div class="space-y-6">
-              <!-- Avatar y datos básicos -->
-              <AuthUserAvatar />
-
-            <!-- Botones de acción individuales -->
-            <UCard class="w-full">
-              <template #header>
-                <h3 class="text-lg font-semibold">Acciones de Sesión</h3>
-              </template>
-              <div class="flex flex-wrap gap-3">
-                <AuthEditProfileButton />
-                <AuthSessionStatusButton />
-                <AuthProfileButton />
-                <AuthLogoutButton />
-                <AuthLoginButton />
-              </div>
-            </UCard>
-
-            <!-- Verificaciones Frontend/Backend -->
-            <UCard class="w-full">
-              <template #header>
-                <div class="flex items-center gap-2">
-                  <UIcon name="i-heroicons-cpu-chip" class="w-5 h-5" />
-                  <h3 class="text-lg font-semibold">Verificación de Sistema</h3>
-                </div>
-              </template>
-              <div class="flex flex-wrap gap-3">
-                <AuthFrontendVerificationButton />
-                <AuthBackendVerificationButton />
-              </div>
-            </UCard>
-          </div>
-
-          <!-- Columna derecha -->
-          <div class="space-y-6">
-            <!-- Metadatos completos -->
-            <AuthUserMetadata />
-
-            <!-- Verificaciones de Grupos Frontend -->
-            <UCard class="w-full">
-              <template #header>
-                <div class="flex items-center gap-2">
-                  <UIcon name="i-heroicons-user-group" class="w-5 h-5 text-purple-500" />
-                  <h3 class="text-lg font-semibold">Grupos (Frontend)</h3>
-                </div>
-              </template>
-              <div class="grid grid-cols-2 gap-3">
-                <AuthCheckAuthentikAdminsButton />
-                <AuthCheckGrupoPruebaButton />
-                <AuthCheckLvl0Button />
-                <AuthCheckPublicAccessButton />
-              </div>
-            </UCard>
-
-            <!-- Verificaciones de Grupos Backend -->
-            <UCard class="w-full">
-              <template #header>
-                <div class="flex items-center gap-2">
-                  <UIcon name="i-heroicons-server-stack" class="w-5 h-5 text-orange-500" />
-                  <h3 class="text-lg font-semibold">Grupos (Backend)</h3>
-                </div>
-              </template>
-              <div class="grid grid-cols-2 gap-3">
-                <AuthCheckAuthentikAdminsButton :verify-backend="true" />
-                <AuthCheckGrupoPruebaButton :verify-backend="true" />
-                <AuthCheckLvl0Button :verify-backend="true" />
-                <AuthCheckPublicAccessButton :verify-backend="true" />
-              </div>
-            </UCard>
-          </div>
+          <!-- Acciones rápidas en footer transparente -->
+          <div class="quick-actions">
+            <AuthSessionStatusButton />
+            <AuthProfileButton />
+            <AuthLogoutButton />
           </div>
         </div>
 
         <!-- Mensaje si no está autenticado -->
-        <UCard v-else class="text-center">
-          <div class="py-8">
-            <UIcon name="i-heroicons-shield-exclamation" class="w-16 h-16 mx-auto mb-4 text-gray-400" />
-            <h2 class="text-2xl font-semibold mb-2">No autenticado</h2>
-            <p class="text-gray-600 dark:text-gray-400">
-              Authentik Proxy Outpost debería redirigirte automáticamente.
-            </p>
-          </div>
-        </UCard>
-      </div>
-    </UContainer>
+        <div v-else class="auth-message">
+          <UCard class="text-center">
+            <div class="py-12">
+              <UIcon name="i-heroicons-shield-exclamation" class="w-20 h-20 mx-auto mb-6 text-gray-400" />
+              <h2 class="text-3xl font-bold mb-3">No autenticado</h2>
+              <p class="text-gray-600 dark:text-gray-400 text-lg">
+                Authentik Proxy Outpost debería redirigirte automáticamente.
+              </p>
+            </div>
+          </UCard>
+        </div>
+      </UContainer>
+    </div>
   </UApp>
 </template>
 
 <script setup lang="ts">
 const { isAuthenticated } = useAuthentik()
+const { isNight } = useTheme()
 
 // Configurar meta tags para PWA
 useHead({
@@ -126,6 +59,55 @@ useHead({
     { name: 'apple-mobile-web-app-status-bar-style', content: 'default' }
   ]
 })
-
-// Build con user.ts unificado (GET y PATCH)
 </script>
+
+<style scoped>
+.main-content {
+  position: relative;
+  z-index: 1;
+  min-height: 100vh;
+  padding-top: 2rem;
+}
+
+.quick-actions {
+  display: flex;
+  justify-content: center;
+  gap: 1rem;
+  flex-wrap: wrap;
+  padding: 1.5rem;
+  background: rgba(255, 255, 255, 0.7);
+  backdrop-filter: blur(10px);
+  border-radius: 1rem;
+  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
+  transition: all 0.3s ease;
+}
+
+:global(.dark) .quick-actions {
+  background: rgba(30, 30, 40, 0.7);
+}
+
+.auth-message {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  min-height: 60vh;
+}
+
+/* Mejorar estilos de las cards en el tema oscuro */
+:global(.dark) :global(.card) {
+  background: rgba(30, 30, 40, 0.8);
+  backdrop-filter: blur(10px);
+}
+
+/* Responsive */
+@media (max-width: 768px) {
+  .main-content {
+    padding-top: 1rem;
+  }
+
+  .quick-actions {
+    flex-direction: column;
+    align-items: stretch;
+  }
+}
+</style>
diff --git a/nuxt4/app/components/AnimatedBackground.vue b/nuxt4/app/components/AnimatedBackground.vue
new file mode 100644
index 0000000..5e7f851
--- /dev/null
+++ b/nuxt4/app/components/AnimatedBackground.vue
@@ -0,0 +1,352 @@
+<template>
+  <div class="animated-background">
+    <!-- Fondo día -->
+    <div class="landscape day-landscape" :class="{ active: !isNight }">
+      <!-- Cielo diurno con gradiente -->
+      <svg class="sky" viewBox="0 0 1920 1080" preserveAspectRatio="xMidYMid slice">
+        <defs>
+          <linearGradient id="daySkyGradient" x1="0%" y1="0%" x2="0%" y2="100%">
+            <stop offset="0%" style="stop-color:#87CEEB;stop-opacity:1" />
+            <stop offset="100%" style="stop-color:#E0F6FF;stop-opacity:1" />
+          </linearGradient>
+        </defs>
+        <rect width="1920" height="1080" fill="url(#daySkyGradient)" />
+      </svg>
+
+      <!-- Sol -->
+      <svg class="sun" viewBox="0 0 200 200" width="120" height="120">
+        <defs>
+          <radialGradient id="sunGradient">
+            <stop offset="0%" style="stop-color:#FFF176;stop-opacity:1" />
+            <stop offset="100%" style="stop-color:#FFD54F;stop-opacity:0.8" />
+          </radialGradient>
+        </defs>
+        <circle cx="100" cy="100" r="50" fill="url(#sunGradient)" />
+        <g class="sun-rays">
+          <line x1="100" y1="20" x2="100" y2="0" stroke="#FFD54F" stroke-width="3" stroke-linecap="round" />
+          <line x1="150" y1="35" x2="165" y2="20" stroke="#FFD54F" stroke-width="3" stroke-linecap="round" />
+          <line x1="180" y1="100" x2="200" y2="100" stroke="#FFD54F" stroke-width="3" stroke-linecap="round" />
+          <line x1="150" y1="165" x2="165" y2="180" stroke="#FFD54F" stroke-width="3" stroke-linecap="round" />
+          <line x1="100" y1="180" x2="100" y2="200" stroke="#FFD54F" stroke-width="3" stroke-linecap="round" />
+          <line x1="50" y1="165" x2="35" y2="180" stroke="#FFD54F" stroke-width="3" stroke-linecap="round" />
+          <line x1="20" y1="100" x2="0" y2="100" stroke="#FFD54F" stroke-width="3" stroke-linecap="round" />
+          <line x1="50" y1="35" x2="35" y2="20" stroke="#FFD54F" stroke-width="3" stroke-linecap="round" />
+        </g>
+      </svg>
+
+      <!-- Nubes diurnas -->
+      <svg class="cloud cloud-1" viewBox="0 0 200 100" width="180" height="90">
+        <path d="M 30,60 Q 30,40 50,40 Q 50,20 70,20 Q 90,20 90,40 Q 110,40 110,60 Q 110,80 90,80 L 50,80 Q 30,80 30,60 Z"
+              fill="#FFFFFF" opacity="0.9" />
+      </svg>
+      <svg class="cloud cloud-2" viewBox="0 0 200 100" width="150" height="75">
+        <path d="M 30,60 Q 30,40 50,40 Q 50,20 70,20 Q 90,20 90,40 Q 110,40 110,60 Q 110,80 90,80 L 50,80 Q 30,80 30,60 Z"
+              fill="#FFFFFF" opacity="0.8" />
+      </svg>
+      <svg class="cloud cloud-3" viewBox="0 0 200 100" width="200" height="100">
+        <path d="M 30,60 Q 30,40 50,40 Q 50,20 70,20 Q 90,20 90,40 Q 110,40 110,60 Q 110,80 90,80 L 50,80 Q 30,80 30,60 Z"
+              fill="#FFFFFF" opacity="0.7" />
+      </svg>
+
+      <!-- Montañas lejanas (más claras) -->
+      <svg class="mountains mountains-far" viewBox="0 0 1920 600" preserveAspectRatio="xMidYMid slice">
+        <path d="M 0,400 L 400,150 L 600,250 L 900,100 L 1200,200 L 1500,120 L 1920,300 L 1920,600 L 0,600 Z"
+              fill="#A7C7E7" opacity="0.6" />
+      </svg>
+
+      <!-- Montañas cercanas -->
+      <svg class="mountains mountains-near" viewBox="0 0 1920 700" preserveAspectRatio="xMidYMid slice">
+        <path d="M 0,500 L 300,250 L 500,350 L 800,200 L 1100,320 L 1400,180 L 1700,350 L 1920,250 L 1920,700 L 0,700 Z"
+              fill="#4A7C94" opacity="0.8" />
+      </svg>
+
+      <!-- Colinas con césped -->
+      <svg class="hills" viewBox="0 0 1920 400" preserveAspectRatio="xMidYMid slice">
+        <path d="M 0,250 Q 240,150 480,200 T 960,220 T 1440,180 T 1920,240 L 1920,400 L 0,400 Z"
+              fill="#7CB342" />
+      </svg>
+    </div>
+
+    <!-- Fondo noche -->
+    <div class="landscape night-landscape" :class="{ active: isNight }">
+      <!-- Cielo nocturno con gradiente -->
+      <svg class="sky" viewBox="0 0 1920 1080" preserveAspectRatio="xMidYMid slice">
+        <defs>
+          <linearGradient id="nightSkyGradient" x1="0%" y1="0%" x2="0%" y2="100%">
+            <stop offset="0%" style="stop-color:#0B1026;stop-opacity:1" />
+            <stop offset="100%" style="stop-color:#1A2150;stop-opacity:1" />
+          </linearGradient>
+        </defs>
+        <rect width="1920" height="1080" fill="url(#nightSkyGradient)" />
+      </svg>
+
+      <!-- Estrellas -->
+      <svg class="stars" viewBox="0 0 1920 1080" preserveAspectRatio="xMidYMid slice">
+        <circle cx="200" cy="100" r="2" fill="#FFFFFF" class="star star-1" />
+        <circle cx="400" cy="150" r="1.5" fill="#FFFFFF" class="star star-2" />
+        <circle cx="600" cy="80" r="2" fill="#FFFFFF" class="star star-3" />
+        <circle cx="800" cy="200" r="1" fill="#FFFFFF" class="star star-4" />
+        <circle cx="1000" cy="120" r="2" fill="#FFFFFF" class="star star-1" />
+        <circle cx="1200" cy="180" r="1.5" fill="#FFFFFF" class="star star-2" />
+        <circle cx="1400" cy="90" r="1" fill="#FFFFFF" class="star star-3" />
+        <circle cx="1600" cy="160" r="2" fill="#FFFFFF" class="star star-4" />
+        <circle cx="1800" cy="110" r="1.5" fill="#FFFFFF" class="star star-1" />
+
+        <circle cx="300" cy="300" r="1" fill="#FFFFFF" class="star star-2" />
+        <circle cx="500" cy="350" r="2" fill="#FFFFFF" class="star star-3" />
+        <circle cx="700" cy="280" r="1.5" fill="#FFFFFF" class="star star-4" />
+        <circle cx="900" cy="320" r="1" fill="#FFFFFF" class="star star-1" />
+        <circle cx="1100" cy="290" r="2" fill="#FFFFFF" class="star star-2" />
+        <circle cx="1300" cy="340" r="1" fill="#FFFFFF" class="star star-3" />
+        <circle cx="1500" cy="310" r="1.5" fill="#FFFFFF" class="star star-4" />
+        <circle cx="1700" cy="330" r="2" fill="#FFFFFF" class="star star-1" />
+
+        <circle cx="150" cy="450" r="1.5" fill="#FFFFFF" class="star star-3" />
+        <circle cx="350" cy="480" r="1" fill="#FFFFFF" class="star star-4" />
+        <circle cx="550" cy="420" r="2" fill="#FFFFFF" class="star star-1" />
+        <circle cx="750" cy="460" r="1" fill="#FFFFFF" class="star star-2" />
+        <circle cx="950" cy="440" r="1.5" fill="#FFFFFF" class="star star-3" />
+        <circle cx="1150" cy="470" r="2" fill="#FFFFFF" class="star star-4" />
+        <circle cx="1350" cy="430" r="1" fill="#FFFFFF" class="star star-1" />
+        <circle cx="1550" cy="450" r="1.5" fill="#FFFFFF" class="star star-2" />
+      </svg>
+
+      <!-- Luna -->
+      <svg class="moon" viewBox="0 0 200 200" width="100" height="100">
+        <defs>
+          <radialGradient id="moonGradient">
+            <stop offset="0%" style="stop-color:#F5F5DC;stop-opacity:1" />
+            <stop offset="100%" style="stop-color:#E6E6D0;stop-opacity:0.9" />
+          </radialGradient>
+        </defs>
+        <circle cx="100" cy="100" r="45" fill="url(#moonGradient)" />
+        <!-- Cráteres -->
+        <circle cx="85" cy="90" r="8" fill="#D0D0C0" opacity="0.3" />
+        <circle cx="110" cy="105" r="6" fill="#D0D0C0" opacity="0.3" />
+        <circle cx="95" cy="115" r="5" fill="#D0D0C0" opacity="0.3" />
+        <circle cx="115" cy="85" r="4" fill="#D0D0C0" opacity="0.3" />
+      </svg>
+
+      <!-- Montañas lejanas nocturnas -->
+      <svg class="mountains mountains-far" viewBox="0 0 1920 600" preserveAspectRatio="xMidYMid slice">
+        <path d="M 0,400 L 400,150 L 600,250 L 900,100 L 1200,200 L 1500,120 L 1920,300 L 1920,600 L 0,600 Z"
+              fill="#1A2340" opacity="0.7" />
+      </svg>
+
+      <!-- Montañas cercanas nocturnas -->
+      <svg class="mountains mountains-near" viewBox="0 0 1920 700" preserveAspectRatio="xMidYMid slice">
+        <path d="M 0,500 L 300,250 L 500,350 L 800,200 L 1100,320 L 1400,180 L 1700,350 L 1920,250 L 1920,700 L 0,700 Z"
+              fill="#0D1428" opacity="0.9" />
+      </svg>
+
+      <!-- Colinas nocturnas -->
+      <svg class="hills" viewBox="0 0 1920 400" preserveAspectRatio="xMidYMid slice">
+        <path d="M 0,250 Q 240,150 480,200 T 960,220 T 1440,180 T 1920,240 L 1920,400 L 0,400 Z"
+              fill="#1B3A28" />
+      </svg>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+const { isNight } = useTheme()
+</script>
+
+<style scoped>
+.animated-background {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  z-index: -1;
+  overflow: hidden;
+}
+
+.landscape {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  opacity: 0;
+  transition: opacity 1.5s ease-in-out;
+  pointer-events: none;
+}
+
+.landscape.active {
+  opacity: 1;
+}
+
+.sky {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+}
+
+/* Sol */
+.sun {
+  position: absolute;
+  top: 10%;
+  right: 15%;
+  animation: sunFloat 20s ease-in-out infinite;
+}
+
+.sun-rays {
+  transform-origin: center;
+  animation: sunRotate 30s linear infinite;
+}
+
+@keyframes sunFloat {
+  0%, 100% { transform: translateY(0px); }
+  50% { transform: translateY(-20px); }
+}
+
+@keyframes sunRotate {
+  from { transform: rotate(0deg); }
+  to { transform: rotate(360deg); }
+}
+
+/* Luna */
+.moon {
+  position: absolute;
+  top: 8%;
+  right: 12%;
+  animation: moonFloat 25s ease-in-out infinite;
+}
+
+@keyframes moonFloat {
+  0%, 100% { transform: translateY(0px); }
+  50% { transform: translateY(-15px); }
+}
+
+/* Estrellas */
+.stars {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 60%;
+}
+
+.star {
+  animation-duration: 3s;
+  animation-iteration-count: infinite;
+  animation-timing-function: ease-in-out;
+}
+
+.star-1 { animation-name: twinkle1; }
+.star-2 { animation-name: twinkle2; animation-delay: 0.5s; }
+.star-3 { animation-name: twinkle3; animation-delay: 1s; }
+.star-4 { animation-name: twinkle4; animation-delay: 1.5s; }
+
+@keyframes twinkle1 {
+  0%, 100% { opacity: 1; }
+  50% { opacity: 0.3; }
+}
+
+@keyframes twinkle2 {
+  0%, 100% { opacity: 0.8; }
+  50% { opacity: 0.2; }
+}
+
+@keyframes twinkle3 {
+  0%, 100% { opacity: 1; }
+  50% { opacity: 0.4; }
+}
+
+@keyframes twinkle4 {
+  0%, 100% { opacity: 0.6; }
+  50% { opacity: 0.1; }
+}
+
+/* Nubes */
+.cloud {
+  position: absolute;
+  animation-timing-function: linear;
+  animation-iteration-count: infinite;
+}
+
+.cloud-1 {
+  top: 15%;
+  left: -10%;
+  animation: cloudFloat1 60s linear infinite;
+}
+
+.cloud-2 {
+  top: 25%;
+  left: -10%;
+  animation: cloudFloat2 80s linear infinite;
+}
+
+.cloud-3 {
+  top: 35%;
+  left: -10%;
+  animation: cloudFloat3 100s linear infinite;
+}
+
+@keyframes cloudFloat1 {
+  from { transform: translateX(0); }
+  to { transform: translateX(calc(100vw + 200px)); }
+}
+
+@keyframes cloudFloat2 {
+  from { transform: translateX(0); }
+  to { transform: translateX(calc(100vw + 200px)); }
+}
+
+@keyframes cloudFloat3 {
+  from { transform: translateX(0); }
+  to { transform: translateX(calc(100vw + 200px)); }
+}
+
+/* Montañas y colinas */
+.mountains, .hills {
+  position: absolute;
+  bottom: 0;
+  left: 0;
+  width: 100%;
+  pointer-events: none;
+}
+
+.mountains-far {
+  bottom: 15%;
+  animation: mountainFloat 40s ease-in-out infinite;
+}
+
+.mountains-near {
+  bottom: 8%;
+  animation: mountainFloat 35s ease-in-out infinite reverse;
+}
+
+.hills {
+  bottom: 0;
+  animation: hillFloat 30s ease-in-out infinite;
+}
+
+@keyframes mountainFloat {
+  0%, 100% { transform: translateX(0); }
+  50% { transform: translateX(-20px); }
+}
+
+@keyframes hillFloat {
+  0%, 100% { transform: translateX(0); }
+  50% { transform: translateX(15px); }
+}
+
+/* Responsive */
+@media (max-width: 768px) {
+  .sun, .moon {
+    width: 80px;
+    height: 80px;
+    top: 8%;
+    right: 10%;
+  }
+
+  .cloud {
+    transform: scale(0.7);
+  }
+}
+</style>
diff --git a/nuxt4/app/components/UserHeader.vue b/nuxt4/app/components/UserHeader.vue
new file mode 100644
index 0000000..29cf133
--- /dev/null
+++ b/nuxt4/app/components/UserHeader.vue
@@ -0,0 +1,375 @@
+<template>
+  <div class="user-header">
+    <!-- Header principal clickable -->
+    <div class="header-content" @click="openEditProfile">
+      <!-- Avatar -->
+      <div class="avatar-section">
+        <UAvatar
+          v-if="user"
+          :src="user.avatar"
+          :alt="user.name || user.username"
+          size="xl"
+          class="avatar-glow"
+        />
+      </div>
+
+      <!-- Info del usuario -->
+      <div class="user-info">
+        <h1 class="user-name">{{ user?.name || user?.username }}</h1>
+        <p class="user-email">{{ user?.email }}</p>
+        <div class="user-badges">
+          <UBadge
+            v-for="group in user?.groups.slice(0, 3)"
+            :key="group"
+            size="sm"
+            color="primary"
+            variant="soft"
+          >
+            {{ group }}
+          </UBadge>
+          <UBadge
+            v-if="user && user.groups.length > 3"
+            size="sm"
+            color="neutral"
+            variant="soft"
+          >
+            +{{ user.groups.length - 3 }}
+          </UBadge>
+        </div>
+      </div>
+
+      <!-- Ícono de edición -->
+      <div class="edit-hint">
+        <UIcon name="i-heroicons-pencil-square" class="w-5 h-5" />
+        <span class="edit-text">Editar perfil</span>
+      </div>
+    </div>
+
+    <!-- Botón de tema -->
+    <button class="theme-toggle" @click.stop="toggleTheme" :title="isNight ? 'Cambiar a modo día' : 'Cambiar a modo noche'">
+      <transition name="theme-icon" mode="out-in">
+        <UIcon v-if="isNight" key="moon" name="i-heroicons-moon" class="w-6 h-6" />
+        <UIcon v-else key="sun" name="i-heroicons-sun" class="w-6 h-6" />
+      </transition>
+    </button>
+
+    <!-- Modal de edición de perfil -->
+    <UModal v-model="isEditModalOpen">
+      <div class="modal-content">
+        <h3 class="text-xl font-semibold mb-4">Editar Perfil</h3>
+
+        <form @submit.prevent="handleSubmit" class="space-y-4">
+          <UFormGroup label="Nombre de usuario" help="No se puede modificar">
+            <UInput
+              :model-value="user?.username"
+              disabled
+              icon="i-heroicons-user"
+            />
+          </UFormGroup>
+
+          <UFormGroup label="Nombre completo" required>
+            <UInput
+              v-model="formData.name"
+              placeholder="Tu nombre completo"
+              icon="i-heroicons-user-circle"
+              :disabled="isSubmitting"
+            />
+          </UFormGroup>
+
+          <UFormGroup label="Email" required>
+            <UInput
+              v-model="formData.email"
+              type="email"
+              placeholder="tu@email.com"
+              icon="i-heroicons-envelope"
+              :disabled="isSubmitting"
+            />
+          </UFormGroup>
+
+          <div class="flex justify-end gap-3 mt-6">
+            <UButton
+              color="neutral"
+              variant="ghost"
+              @click="isEditModalOpen = false"
+              :disabled="isSubmitting"
+            >
+              Cancelar
+            </UButton>
+            <UButton
+              type="submit"
+              color="primary"
+              :loading="isSubmitting"
+            >
+              Guardar cambios
+            </UButton>
+          </div>
+        </form>
+      </div>
+    </UModal>
+  </div>
+</template>
+
+<script setup lang="ts">
+const { user } = useAuthentik()
+const { isNight, toggleTheme } = useTheme()
+const toast = useToast()
+
+// Estado del modal
+const isEditModalOpen = ref(false)
+const isSubmitting = ref(false)
+
+// Datos del formulario
+const formData = ref({
+  name: user.value?.name || '',
+  email: user.value?.email || ''
+})
+
+// Abrir modal de edición
+const openEditProfile = () => {
+  if (user.value) {
+    formData.value = {
+      name: user.value.name || '',
+      email: user.value.email || ''
+    }
+    isEditModalOpen.value = true
+  }
+}
+
+// Enviar formulario
+const handleSubmit = async () => {
+  if (!formData.value.name || !formData.value.email) {
+    toast.add({
+      title: 'Error',
+      description: 'Por favor completa todos los campos',
+      color: 'error',
+      icon: 'i-heroicons-exclamation-triangle'
+    })
+    return
+  }
+
+  isSubmitting.value = true
+
+  try {
+    await $fetch('/api/authentik/user', {
+      method: 'PATCH',
+      body: {
+        name: formData.value.name,
+        email: formData.value.email
+      }
+    })
+
+    toast.add({
+      title: 'Perfil actualizado',
+      description: 'Tus cambios se guardaron correctamente. Recarga la página para verlos.',
+      color: 'success',
+      icon: 'i-heroicons-check-circle',
+      actions: [{
+        label: 'Recargar',
+        onClick: () => window.location.reload()
+      }]
+    })
+
+    isEditModalOpen.value = false
+  } catch (error) {
+    console.error('Error updating profile:', error)
+    toast.add({
+      title: 'Error',
+      description: 'No se pudo actualizar el perfil',
+      color: 'error',
+      icon: 'i-heroicons-x-circle'
+    })
+  } finally {
+    isSubmitting.value = false
+  }
+}
+</script>
+
+<style scoped>
+.user-header {
+  position: relative;
+  margin-bottom: 2rem;
+}
+
+.header-content {
+  display: flex;
+  align-items: center;
+  gap: 1.5rem;
+  padding: 1.5rem 2rem;
+  background: rgba(255, 255, 255, 0.9);
+  backdrop-filter: blur(10px);
+  border-radius: 1rem;
+  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
+  cursor: pointer;
+  transition: all 0.3s ease;
+  border: 2px solid transparent;
+}
+
+.header-content:hover {
+  transform: translateY(-2px);
+  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
+  border-color: rgba(var(--color-primary-500), 0.3);
+}
+
+:global(.dark) .header-content {
+  background: rgba(30, 30, 40, 0.9);
+  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
+}
+
+:global(.dark) .header-content:hover {
+  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
+}
+
+.avatar-section {
+  flex-shrink: 0;
+}
+
+.avatar-glow {
+  box-shadow: 0 0 20px rgba(var(--color-primary-500), 0.4);
+  transition: box-shadow 0.3s ease;
+}
+
+.header-content:hover .avatar-glow {
+  box-shadow: 0 0 30px rgba(var(--color-primary-500), 0.6);
+}
+
+.user-info {
+  flex: 1;
+  min-width: 0;
+}
+
+.user-name {
+  font-size: 1.5rem;
+  font-weight: 700;
+  margin: 0;
+  color: var(--color-gray-900);
+  transition: color 0.3s ease;
+}
+
+:global(.dark) .user-name {
+  color: var(--color-gray-100);
+}
+
+.user-email {
+  font-size: 0.875rem;
+  color: var(--color-gray-600);
+  margin: 0.25rem 0 0.75rem 0;
+}
+
+:global(.dark) .user-email {
+  color: var(--color-gray-400);
+}
+
+.user-badges {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 0.5rem;
+}
+
+.modal-content {
+  padding: 1.5rem;
+  max-width: 28rem;
+  margin: 0 auto;
+}
+
+.edit-hint {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+  padding: 0.5rem 1rem;
+  border-radius: 0.5rem;
+  background: rgba(var(--color-primary-500), 0.1);
+  color: rgb(var(--color-primary-500));
+  opacity: 0;
+  transform: translateX(-10px);
+  transition: all 0.3s ease;
+}
+
+.header-content:hover .edit-hint {
+  opacity: 1;
+  transform: translateX(0);
+}
+
+.edit-text {
+  font-size: 0.875rem;
+  font-weight: 500;
+  white-space: nowrap;
+}
+
+.theme-toggle {
+  position: absolute;
+  top: 1rem;
+  right: 1rem;
+  width: 3rem;
+  height: 3rem;
+  border-radius: 50%;
+  background: rgba(255, 255, 255, 0.9);
+  backdrop-filter: blur(10px);
+  border: 2px solid rgba(var(--color-primary-500), 0.2);
+  color: rgb(var(--color-primary-500));
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  cursor: pointer;
+  transition: all 0.3s ease;
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+  z-index: 10;
+}
+
+:global(.dark) .theme-toggle {
+  background: rgba(30, 30, 40, 0.9);
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
+}
+
+.theme-toggle:hover {
+  transform: scale(1.1) rotate(20deg);
+  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
+}
+
+.theme-icon-enter-active,
+.theme-icon-leave-active {
+  transition: all 0.3s ease;
+}
+
+.theme-icon-enter-from {
+  opacity: 0;
+  transform: rotate(-180deg) scale(0);
+}
+
+.theme-icon-leave-to {
+  opacity: 0;
+  transform: rotate(180deg) scale(0);
+}
+
+/* Responsive */
+@media (max-width: 768px) {
+  .header-content {
+    flex-direction: column;
+    text-align: center;
+    padding: 1.5rem 1rem;
+  }
+
+  .edit-hint {
+    opacity: 1;
+    transform: translateX(0);
+  }
+
+  .edit-text {
+    display: none;
+  }
+
+  .theme-toggle {
+    top: 0.5rem;
+    right: 0.5rem;
+    width: 2.5rem;
+    height: 2.5rem;
+  }
+
+  .user-name {
+    font-size: 1.25rem;
+  }
+
+  .user-badges {
+    justify-content: center;
+  }
+}
+</style>
diff --git a/nuxt4/app/components/auth/ApplicationsList.vue b/nuxt4/app/components/auth/ApplicationsList.vue
index 5286675..a62b5cb 100644
--- a/nuxt4/app/components/auth/ApplicationsList.vue
+++ b/nuxt4/app/components/auth/ApplicationsList.vue
@@ -1,89 +1,87 @@
 <template>
-  <UCard>
-    <template #header>
-      <div class="space-y-3">
-        <div class="flex items-center justify-between">
-          <h3 class="font-semibold text-lg flex items-center gap-2">
-            <UIcon name="i-heroicons-squares-2x2" />
-            Mis Aplicaciones
-          </h3>
-          <UBadge v-if="filteredApplications.length > 0" color="primary" variant="soft">
-            {{ filteredApplications.length }}
-          </UBadge>
-        </div>
-
-        <!-- Filtros por grupos -->
-        <div v-if="availableGroups.length > 0" class="flex flex-wrap gap-2">
-          <UButton
-            v-for="group in availableGroups"
-            :key="group"
-            size="sm"
-            :color="selectedGroups.includes(group) ? 'primary' : 'neutral'"
-            :variant="selectedGroups.includes(group) ? 'soft' : 'ghost'"
-            @click="toggleGroup(group)"
-          >
-            {{ group }}
-          </UButton>
-        </div>
+  <div class="applications-container">
+    <div class="applications-header">
+      <div class="flex items-center justify-between mb-4">
+        <h2 class="applications-title">
+          <UIcon name="i-heroicons-squares-2x2" class="w-6 h-6" />
+          Mis Aplicaciones
+        </h2>
+        <UBadge v-if="filteredApplications.length > 0" color="primary" variant="soft" size="lg">
+          {{ filteredApplications.length }}
+        </UBadge>
       </div>
-    </template>
 
-    <div v-if="pending" class="flex justify-center py-8">
-      <UIcon name="i-heroicons-arrow-path" class="w-8 h-8 animate-spin text-primary" />
+      <!-- Filtros por grupos -->
+      <div v-if="availableGroups.length > 0" class="filter-section">
+        <UButton
+          v-for="group in availableGroups"
+          :key="group"
+          size="sm"
+          :color="selectedGroups.includes(group) ? 'primary' : 'neutral'"
+          :variant="selectedGroups.includes(group) ? 'soft' : 'ghost'"
+          @click="toggleGroup(group)"
+        >
+          {{ group }}
+        </UButton>
+      </div>
     </div>
 
-    <div v-else-if="error" class="text-center py-8">
-      <UIcon name="i-heroicons-exclamation-triangle" class="w-12 h-12 mx-auto mb-4 text-error" />
-      <p class="text-error font-semibold">Error al cargar aplicaciones</p>
+    <div v-if="pending" class="empty-state">
+      <UIcon name="i-heroicons-arrow-path" class="w-12 h-12 animate-spin text-primary" />
+      <p class="mt-4 text-gray-600 dark:text-gray-400">Cargando aplicaciones...</p>
+    </div>
+
+    <div v-else-if="error" class="empty-state">
+      <UIcon name="i-heroicons-exclamation-triangle" class="w-16 h-16 text-error" />
+      <p class="mt-4 text-error font-semibold text-lg">Error al cargar aplicaciones</p>
       <p class="text-sm text-gray-500 mt-2">{{ error.message }}</p>
     </div>
 
-    <div v-else-if="applications.length === 0" class="text-center py-8">
-      <UIcon name="i-heroicons-inbox" class="w-12 h-12 mx-auto mb-4 text-gray-400" />
-      <p class="text-gray-600 dark:text-gray-400">No tienes aplicaciones disponibles</p>
+    <div v-else-if="applications.length === 0" class="empty-state">
+      <UIcon name="i-heroicons-inbox" class="w-16 h-16 text-gray-400" />
+      <p class="mt-4 text-gray-600 dark:text-gray-400 text-lg">No tienes aplicaciones disponibles</p>
     </div>
 
-    <div v-else-if="filteredApplications.length === 0" class="text-center py-8">
-      <UIcon name="i-heroicons-funnel" class="w-12 h-12 mx-auto mb-4 text-gray-400" />
-      <p class="text-gray-600 dark:text-gray-400">No hay aplicaciones en los grupos seleccionados</p>
+    <div v-else-if="filteredApplications.length === 0" class="empty-state">
+      <UIcon name="i-heroicons-funnel" class="w-16 h-16 text-gray-400" />
+      <p class="mt-4 text-gray-600 dark:text-gray-400 text-lg">No hay aplicaciones en los grupos seleccionados</p>
     </div>
 
-    <div v-else class="grid gap-3 sm:grid-cols-2 lg:grid-cols-3">
+    <div v-else class="applications-grid">
       <a
         v-for="app in filteredApplications"
         :key="app.pk"
         :href="app.launchUrl"
         :target="app.openInNewTab ? '_blank' : '_self'"
-        class="group block p-4 rounded-lg border border-gray-200 dark:border-gray-700 hover:border-primary hover:bg-primary/5 transition-all duration-200"
+        class="app-card"
       >
-        <div class="flex items-start gap-3">
-          <div class="flex-shrink-0 w-10 h-10 rounded-lg bg-primary/10 flex items-center justify-center group-hover:bg-primary/20 transition-colors">
+        <div class="app-card-content">
+          <div class="app-icon">
             <UIcon
               v-if="app.icon"
               :name="app.icon"
-              class="w-6 h-6 text-primary"
+              class="w-7 h-7"
             />
             <UIcon
               v-else
               name="i-heroicons-cube"
-              class="w-6 h-6 text-primary"
+              class="w-7 h-7"
             />
           </div>
 
-          <div class="flex-1 min-w-0">
-            <div class="flex items-start justify-between gap-2">
-              <h4 class="font-semibold text-sm group-hover:text-primary transition-colors">
+          <div class="app-info">
+            <div class="app-header">
+              <h4 class="app-name">
                 {{ app.name }}
               </h4>
               <UIcon
                 v-if="app.openInNewTab"
                 name="i-heroicons-arrow-top-right-on-square"
-                class="w-4 h-4 text-gray-400 flex-shrink-0"
+                class="external-icon"
               />
             </div>
 
-            <!-- Grupos como subtítulo con chips compactos -->
-            <div v-if="app.group" class="mt-1 flex flex-wrap gap-1">
+            <div v-if="app.group" class="app-groups">
               <UBadge
                 v-for="group in app.group.split(',')"
                 :key="group"
@@ -95,14 +93,14 @@
               </UBadge>
             </div>
 
-            <p v-if="app.description" class="text-xs text-gray-500 dark:text-gray-400 mt-2 line-clamp-2">
+            <p v-if="app.description" class="app-description">
               {{ app.description }}
             </p>
           </div>
         </div>
       </a>
     </div>
-  </UCard>
+  </div>
 </template>
 
 <script setup lang="ts">
@@ -175,3 +173,211 @@ onUnmounted(() => {
   clearInterval(refreshInterval)
 })
 </script>
+
+<style scoped>
+.applications-container {
+  background: rgba(255, 255, 255, 0.85);
+  backdrop-filter: blur(15px);
+  border-radius: 1.5rem;
+  padding: 2rem;
+  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
+  transition: all 0.3s ease;
+}
+
+:global(.dark) .applications-container {
+  background: rgba(30, 30, 40, 0.85);
+  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
+}
+
+.applications-header {
+  margin-bottom: 2rem;
+}
+
+.applications-title {
+  display: flex;
+  align-items: center;
+  gap: 0.75rem;
+  font-size: 1.75rem;
+  font-weight: 700;
+  color: var(--color-gray-900);
+  margin: 0;
+}
+
+:global(.dark) .applications-title {
+  color: var(--color-gray-100);
+}
+
+.filter-section {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 0.5rem;
+}
+
+.empty-state {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  padding: 4rem 2rem;
+  text-align: center;
+}
+
+.applications-grid {
+  display: grid;
+  gap: 1rem;
+  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
+}
+
+@media (min-width: 640px) {
+  .applications-grid {
+    grid-template-columns: repeat(2, 1fr);
+  }
+}
+
+@media (min-width: 1024px) {
+  .applications-grid {
+    grid-template-columns: repeat(3, 1fr);
+  }
+}
+
+.app-card {
+  display: block;
+  padding: 1.25rem;
+  border-radius: 1rem;
+  background: rgba(255, 255, 255, 0.9);
+  border: 2px solid rgba(var(--color-gray-200), 0.5);
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
+  transition: all 0.3s ease;
+  cursor: pointer;
+  text-decoration: none;
+}
+
+:global(.dark) .app-card {
+  background: rgba(40, 40, 50, 0.9);
+  border-color: rgba(var(--color-gray-700), 0.5);
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
+}
+
+.app-card:hover {
+  transform: translateY(-4px);
+  box-shadow: 0 8px 16px rgba(var(--color-primary-500), 0.2);
+  border-color: rgb(var(--color-primary-500));
+}
+
+:global(.dark) .app-card:hover {
+  box-shadow: 0 8px 16px rgba(var(--color-primary-500), 0.3);
+}
+
+.app-card-content {
+  display: flex;
+  gap: 1rem;
+  align-items: start;
+}
+
+.app-icon {
+  flex-shrink: 0;
+  width: 3rem;
+  height: 3rem;
+  border-radius: 0.75rem;
+  background: rgba(var(--color-primary-500), 0.1);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  color: rgb(var(--color-primary-500));
+  transition: all 0.3s ease;
+}
+
+.app-card:hover .app-icon {
+  background: rgba(var(--color-primary-500), 0.2);
+  transform: scale(1.1);
+}
+
+.app-info {
+  flex: 1;
+  min-width: 0;
+}
+
+.app-header {
+  display: flex;
+  align-items: start;
+  justify-content: space-between;
+  gap: 0.5rem;
+  margin-bottom: 0.5rem;
+}
+
+.app-name {
+  font-size: 1rem;
+  font-weight: 600;
+  color: var(--color-gray-900);
+  margin: 0;
+  transition: color 0.3s ease;
+  line-height: 1.3;
+}
+
+:global(.dark) .app-name {
+  color: var(--color-gray-100);
+}
+
+.app-card:hover .app-name {
+  color: rgb(var(--color-primary-500));
+}
+
+.external-icon {
+  width: 1rem;
+  height: 1rem;
+  color: var(--color-gray-400);
+  flex-shrink: 0;
+  margin-top: 0.125rem;
+}
+
+.app-groups {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 0.375rem;
+  margin-bottom: 0.5rem;
+}
+
+.app-description {
+  font-size: 0.8125rem;
+  color: var(--color-gray-600);
+  line-height: 1.4;
+  margin: 0;
+  display: -webkit-box;
+  -webkit-line-clamp: 2;
+  -webkit-box-orient: vertical;
+  overflow: hidden;
+}
+
+:global(.dark) .app-description {
+  color: var(--color-gray-400);
+}
+
+/* Responsive */
+@media (max-width: 640px) {
+  .applications-container {
+    padding: 1.5rem;
+  }
+
+  .applications-title {
+    font-size: 1.5rem;
+  }
+
+  .applications-grid {
+    gap: 0.75rem;
+    grid-template-columns: 1fr;
+  }
+
+  .app-card {
+    padding: 1rem;
+  }
+
+  .app-card-content {
+    gap: 0.75rem;
+  }
+
+  .app-icon {
+    width: 2.5rem;
+    height: 2.5rem;
+  }
+}
+</style>
diff --git a/nuxt4/app/composables/useTheme.ts b/nuxt4/app/composables/useTheme.ts
new file mode 100644
index 0000000..6a87794
--- /dev/null
+++ b/nuxt4/app/composables/useTheme.ts
@@ -0,0 +1,48 @@
+/**
+ * Composable para manejar el tema día/noche
+ * Persiste la preferencia del usuario en localStorage
+ */
+
+export type Theme = 'day' | 'night'
+
+export const useTheme = () => {
+  // Estado del tema con persistencia
+  const currentTheme = useState<Theme>('theme', () => {
+    if (import.meta.client && typeof window !== 'undefined') {
+      const saved = localStorage.getItem('theme')
+      if (saved === 'day' || saved === 'night') {
+        return saved
+      }
+      // Detectar preferencia del sistema
+      const prefersDark = window.matchMedia('(prefers-color-scheme: dark)').matches
+      return prefersDark ? 'night' : 'day'
+    }
+    return 'day'
+  })
+
+  // Computed para saber si es modo noche
+  const isNight = computed(() => currentTheme.value === 'night')
+
+  // Alternar tema
+  const toggleTheme = () => {
+    currentTheme.value = currentTheme.value === 'day' ? 'night' : 'day'
+    if (import.meta.client && typeof window !== 'undefined') {
+      localStorage.setItem('theme', currentTheme.value)
+    }
+  }
+
+  // Establecer tema específico
+  const setTheme = (theme: Theme) => {
+    currentTheme.value = theme
+    if (import.meta.client && typeof window !== 'undefined') {
+      localStorage.setItem('theme', theme)
+    }
+  }
+
+  return {
+    currentTheme: readonly(currentTheme),
+    isNight,
+    toggleTheme,
+    setTheme
+  }
+}