diff --git a/nuxt4/app/components/UserProfileForm.vue b/nuxt4/app/components/UserProfileForm.vue
index 9e9ef12..5b61fe3 100644
--- a/nuxt4/app/components/UserProfileForm.vue
+++ b/nuxt4/app/components/UserProfileForm.vue
@@ -86,10 +86,14 @@
 
           <!-- Nombre completo -->
           <div class="form-field">
-            <label class="field-label">
+            <label class="field-label" :class="{ 'field-modified': modifiedFields.name }">
               <UIcon name="i-heroicons-user" class="w-4 h-4" />
               Nombre completo
               <span class="required">*</span>
+              <span v-if="modifiedFields.name" class="modified-indicator">
+                <UIcon name="i-heroicons-pencil-square" class="w-3 h-3" />
+                Modificado
+              </span>
             </label>
             <UInput
               v-model="formData.name"
@@ -100,10 +104,14 @@
 
           <!-- Email -->
           <div class="form-field">
-            <label class="field-label">
+            <label class="field-label" :class="{ 'field-modified': modifiedFields.email }">
               <UIcon name="i-heroicons-envelope" class="w-4 h-4" />
               Correo electrónico
               <span class="required">*</span>
+              <span v-if="modifiedFields.email" class="modified-indicator">
+                <UIcon name="i-heroicons-pencil-square" class="w-3 h-3" />
+                Modificado
+              </span>
             </label>
             <UInput
               v-model="formData.email"
@@ -305,8 +313,15 @@ const isSubmitting = ref(false)
 const isUploading = ref(false)
 const showCamera = ref(false)
 
-// Datos del formulario
-const formData = ref({
+// Cookie para persistir cambios del formulario
+const formCookie = useCookie<Record<string, string>>('profile-form-draft', {
+  maxAge: 60 * 60 * 24 * 7, // 7 días
+  sameSite: 'lax',
+  default: () => ({})
+})
+
+// Datos originales del usuario (para comparar)
+const originalData = ref({
   name: user.value?.name || '',
   email: user.value?.email || '',
   avatar: '',
@@ -318,9 +333,62 @@ const formData = ref({
   nucleoCode: ''
 })
 
+// Datos del formulario (restaurar desde cookie si existe)
+const formData = ref({
+  name: formCookie.value.name || user.value?.name || '',
+  email: formCookie.value.email || user.value?.email || '',
+  avatar: formCookie.value.avatar || '',
+  phone: formCookie.value.phone || '',
+  cedula: formCookie.value.cedula || '',
+  birthdate: formCookie.value.birthdate || '',
+  nfc: formCookie.value.nfc || '',
+  pin: formCookie.value.pin || '',
+  nucleoCode: formCookie.value.nucleoCode || ''
+})
+
 // Avatar actual del usuario
 const currentAvatar = ref(user.value?.avatar || '')
 
+// Detectar qué campos han sido modificados
+const modifiedFields = computed(() => {
+  const modified: Record<string, boolean> = {}
+  const keys = Object.keys(formData.value) as Array<keyof typeof formData.value>
+
+  keys.forEach(key => {
+    modified[key] = formData.value[key] !== originalData.value[key]
+  })
+
+  return modified
+})
+
+// Verificar si hay cambios pendientes
+const hasChanges = computed(() => {
+  return Object.values(modifiedFields.value).some(modified => modified)
+})
+
+// Lista de campos modificados (para mostrar en alerta)
+const modifiedFieldsList = computed(() => {
+  const fieldNames: Record<string, string> = {
+    name: 'Nombre completo',
+    email: 'Correo electrónico',
+    phone: 'Teléfono',
+    cedula: 'Cédula',
+    birthdate: 'Fecha de nacimiento',
+    nfc: 'NFC vinculada',
+    pin: 'PIN numérico',
+    nucleoCode: 'Código Nucleo V2'
+  }
+
+  return Object.entries(modifiedFields.value)
+    .filter(([_, modified]) => modified)
+    .map(([field, _]) => fieldNames[field] || field)
+})
+
+// Guardar en cookie cuando cambian los datos
+watch(formData, (newData) => {
+  formCookie.value = { ...newData }
+}, { deep: true })
+
 // Actualizar avatar cuando cambie el usuario
 watch(() => user.value?.avatar, (newAvatar) => {
   if (newAvatar) {
@@ -328,6 +396,36 @@ watch(() => user.value?.avatar, (newAvatar) => {
   }
 })
 
+// Alertar al usuario antes de salir si hay cambios
+if (import.meta.client) {
+  const handleBeforeUnload = (e: BeforeUnloadEvent) => {
+    if (hasChanges.value) {
+      const message = `Tienes cambios sin guardar en:\n${modifiedFieldsList.value.join(', ')}\n\nLos cambios quedarán guardados en memoria pero no subidos al servidor.`
+      e.preventDefault()
+      e.returnValue = message
+      return message
+    }
+  }
+
+  onMounted(() => {
+    window.addEventListener('beforeunload', handleBeforeUnload)
+
+    // Mostrar notificación si hay datos restaurados
+    if (Object.keys(formCookie.value).length > 0 && hasChanges.value) {
+      toast.add({
+        title: 'Borrador restaurado',
+        description: `Se restauraron cambios pendientes en: ${modifiedFieldsList.value.join(', ')}`,
+        color: 'info',
+        icon: 'i-heroicons-document-text'
+      })
+    }
+  })
+
+  onUnmounted(() => {
+    window.removeEventListener('beforeunload', handleBeforeUnload)
+  })
+}
+
 // Enviar formulario
 const handleSubmit = async () => {
   if (!formData.value.name || !formData.value.email) {
@@ -351,6 +449,13 @@ const handleSubmit = async () => {
       }
     })
 
+    // Limpiar cookie de borrador al guardar exitosamente
+    formCookie.value = {}
+
+    // Actualizar datos originales
+    originalData.value.name = formData.value.name
+    originalData.value.email = formData.value.email
+
     toast.add({
       title: 'Perfil actualizado',
       description: 'Tus cambios se guardaron correctamente. Recarga la página para verlos.',
@@ -538,6 +643,11 @@ const removeAvatar = async () => {
   font-size: 0.875rem;
   font-weight: 600;
   color: var(--color-gray-700);
+  transition: color 0.3s ease;
+}
+
+.field-label.field-modified {
+  color: rgb(var(--color-warning-600));
 }
 
 .field-label .required {
@@ -545,6 +655,20 @@ const removeAvatar = async () => {
   margin-left: 0.125rem;
 }
 
+.modified-indicator {
+  display: inline-flex;
+  align-items: center;
+  gap: 0.25rem;
+  margin-left: auto;
+  padding: 0.125rem 0.5rem;
+  font-size: 0.6875rem;
+  font-weight: 600;
+  border-radius: 0.375rem;
+  background: rgba(var(--color-warning-500), 0.15);
+  color: rgb(var(--color-warning-600));
+  border: 1px solid rgba(var(--color-warning-500), 0.3);
+}
+
 .field-help {
   font-size: 0.75rem;
   color: var(--color-gray-500);
@@ -639,6 +763,16 @@ const removeAvatar = async () => {
   color: var(--color-gray-300) !important;
 }
 
+.dark .field-label.field-modified {
+  color: rgb(var(--color-warning-400)) !important;
+}
+
+.dark .modified-indicator {
+  background: rgba(var(--color-warning-500), 0.2) !important;
+  color: rgb(var(--color-warning-400)) !important;
+  border-color: rgba(var(--color-warning-500), 0.4) !important;
+}
+
 .dark .field-help {
   color: var(--color-gray-400) !important;
 }