diff --git a/resources/views/proyecto_detalle.html b/resources/views/proyecto_detalle.html
index d697162..f28c870 100644
--- a/resources/views/proyecto_detalle.html
+++ b/resources/views/proyecto_detalle.html
@@ -75,8 +75,12 @@
               <p class="text-sm text-slate-600 mt-1" x-text="av.contenido"></p>
             </div>
             <div class="flex gap-1 ml-4">
-              <button @click="toggleAvanceVisible(av)" :title="av.visible ? 'Ocultar' : 'Publicar'" class="btn-icon" :class="av.visible ? 'text-green-500' : 'text-slate-400'">
-                <svg class="w-4 h-4" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M15 12a3 3 0 11-6 0 3 3 0 016 0z"/><path stroke-linecap="round" stroke-linejoin="round" d="M2.458 12C3.732 7.943 7.523 5 12 5c4.478 0 8.268 2.943 9.542 7-1.274 4.057-5.064 7-9.542 7-4.477 0-8.268-2.943-9.542-7z"/></svg>
+              <button @click="toggleAvanceVisible(av)"
+                :title="av.visible ? 'Visible en portal · clic para ocultar' : 'Oculto en portal · clic para publicar'"
+                class="btn-icon flex items-center gap-1 px-2 py-1 rounded-lg text-xs font-medium border transition-colors"
+                :class="av.visible ? 'text-green-600 border-green-200 bg-green-50 hover:bg-green-100' : 'text-slate-400 border-slate-200 bg-slate-50 hover:bg-slate-100'">
+                <svg class="w-3.5 h-3.5" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M15 12a3 3 0 11-6 0 3 3 0 016 0z"/><path stroke-linecap="round" stroke-linejoin="round" d="M2.458 12C3.732 7.943 7.523 5 12 5c4.478 0 8.268 2.943 9.542 7-1.274 4.057-5.064 7-9.542 7-4.477 0-8.268-2.943-9.542-7z"/></svg>
+                <span x-text="av.visible ? 'Visible' : 'Oculto'"></span>
               </button>
               <button @click="deleteAvance(av.ID)" class="btn-icon text-red-400"><svg class="w-4 h-4" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16"/></svg></button>
             </div>
@@ -306,6 +310,17 @@
     </div>
   </div>
 
+  <!-- Toast -->
+  <div x-show="toast.show" x-cloak x-transition
+    class="fixed bottom-6 right-6 z-50 px-5 py-3 rounded-xl shadow-lg text-white text-sm font-medium flex items-center gap-2"
+    :class="toast.type === 'error' ? 'bg-red-500' : 'bg-[#8eb02f]'">
+    <svg class="w-4 h-4 shrink-0" fill="none" stroke="currentColor" stroke-width="2.5" viewBox="0 0 24 24">
+      <path x-show="toast.type !== 'error'" stroke-linecap="round" stroke-linejoin="round" d="M5 13l4 4L19 7"/>
+      <path x-show="toast.type === 'error'" stroke-linecap="round" stroke-linejoin="round" d="M6 18L18 6M6 6l12 12"/>
+    </svg>
+    <span x-text="toast.msg"></span>
+  </div>
+
 </div>
 
 <script>
@@ -325,6 +340,7 @@ function proyectoDetalle(proyectoId, slug) {
     showDocumentoModal: false,
     documentoForm: { tipo:'contrato', nombre:'', descripcion:'' },
     documentoFile: null, documentoError:'',
+    toast: { show: false, msg: '', type: 'ok' },
 
     async init() {
       await Promise.all([this.loadFases(), this.loadAvances(), this.loadEntregables(), this.loadTickets(), this.loadDocumentos()]);
@@ -390,8 +406,10 @@ function proyectoDetalle(proyectoId, slug) {
       await this.loadAvances();
     },
     async toggleAvanceVisible(av) {
-      await axios.put(`/app/proyectos/${this.proyectoId}/avances/${av.ID}`, {...av, visible:!av.visible});
+      const nuevoEstado = !av.visible;
+      await axios.put(`/app/proyectos/${this.proyectoId}/avances/${av.ID}`, {...av, visible:nuevoEstado});
       await this.loadAvances();
+      this.showToast(nuevoEstado ? 'Avance visible en el portal del cliente' : 'Avance oculto en el portal del cliente');
     },
 
     // ─── Entregables ───
@@ -462,6 +480,11 @@ function proyectoDetalle(proyectoId, slug) {
       t._reply='';
     },
 
+    showToast(msg, type = 'ok') {
+      this.toast = { show: true, msg, type };
+      setTimeout(() => { this.toast.show = false; }, 3000);
+    },
+
     // ─── Helpers ───
     faseBadgeClass(e) { return {pendiente:'badge-slate',en_progreso:'badge-yellow',completado:'badge-green',bloqueado:'badge-red'}[e]||'badge-slate'; },
     avanceBadgeClass(t) { return {update:'badge-blue',milestone:'badge-green',nota:'badge-slate',alerta:'badge-yellow'}[t]||'badge-slate'; },