feat: agregar menú dropdown de configuración compacto

- Crear componente SettingsMenu.client.vue con tres puntos verticales
- Agrupar AuthIndicator y ThemeToggle en dropdown menu
- Reducir espacio en barra principal para diseño más compacto
- Agregar animaciones y transiciones suaves al dropdown
- Cerrar menú automáticamente al hacer clic fuera o presionar Escape

components/SettingsMenu.client.vue

@@ -0,0 +1,197 @@
+<template>
+  <div class="settings-menu" ref="menuContainer">
+    <IconButton
+      :icon="MoreVertical"
+      title="Configuración"
+      size="small"
+      @click="toggleMenu"
+      class="menu-trigger"
+      :active="isOpen"
+    />
+
+    <transition name="dropdown">
+      <div v-if="isOpen" class="dropdown-menu glass">
+        <div class="menu-section">
+          <div class="menu-label">Autenticación</div>
+          <AuthIndicator class="menu-item-auth" />
+        </div>
+
+        <div class="menu-divider"></div>
+
+        <div class="menu-section">
+          <div class="menu-label">Tema</div>
+          <div class="menu-item">
+            <ThemeToggle />
+          </div>
+        </div>
+      </div>
+    </transition>
+  </div>
+</template>
+
+<script setup>
+import { ref, onMounted, onUnmounted } from 'vue'
+import { MoreVertical } from 'lucide-vue-next'
+import IconButton from './IconButton.client.vue'
+import AuthIndicator from './AuthIndicator.client.vue'
+import ThemeToggle from './ThemeToggle.client.vue'
+
+const isOpen = ref(false)
+const menuContainer = ref(null)
+
+const toggleMenu = () => {
+  isOpen.value = !isOpen.value
+}
+
+const closeMenu = () => {
+  isOpen.value = false
+}
+
+// Cerrar el menú al hacer clic fuera
+const handleClickOutside = (event) => {
+  if (menuContainer.value && !menuContainer.value.contains(event.target)) {
+    closeMenu()
+  }
+}
+
+// Cerrar el menú al presionar Escape
+const handleEscape = (event) => {
+  if (event.key === 'Escape' && isOpen.value) {
+    closeMenu()
+  }
+}
+
+onMounted(() => {
+  document.addEventListener('click', handleClickOutside)
+  document.addEventListener('keydown', handleEscape)
+})
+
+onUnmounted(() => {
+  document.removeEventListener('click', handleClickOutside)
+  document.removeEventListener('keydown', handleEscape)
+})
+</script>
+
+<style scoped>
+.settings-menu {
+  position: relative;
+  display: inline-block;
+}
+
+.menu-trigger:hover {
+  animation: pulse-menu 0.6s ease-in-out;
+}
+
+.dropdown-menu {
+  position: absolute;
+  top: calc(100% + 8px);
+  right: 0;
+  min-width: 220px;
+  background: rgba(255, 255, 255, 0.12);
+  backdrop-filter: blur(20px);
+  -webkit-backdrop-filter: blur(20px);
+  border: 1px solid rgba(255, 255, 255, 0.15);
+  border-radius: 16px;
+  padding: 12px;
+  box-shadow: var(--shadow-glass), 0 8px 32px rgba(0, 0, 0, 0.2);
+  z-index: 1000;
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+}
+
+.menu-section {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+}
+
+.menu-label {
+  font-size: 0.75rem;
+  font-weight: 600;
+  color: var(--text-secondary);
+  text-transform: uppercase;
+  letter-spacing: 0.5px;
+  padding: 0 8px;
+  opacity: 0.8;
+}
+
+.menu-item {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 8px;
+  border-radius: 12px;
+  transition: all 0.2s ease;
+}
+
+.menu-item:hover {
+  background: rgba(255, 255, 255, 0.08);
+}
+
+.menu-item-auth {
+  width: 100%;
+}
+
+/* Ajustar el AuthIndicator para que se vea bien en el menú */
+.menu-item-auth :deep(.auth-indicator) {
+  width: 100%;
+  justify-content: flex-start;
+}
+
+.menu-divider {
+  height: 1px;
+  background: linear-gradient(
+    90deg,
+    transparent,
+    rgba(255, 255, 255, 0.2),
+    transparent
+  );
+  margin: 4px 0;
+}
+
+/* Animations */
+.dropdown-enter-active,
+.dropdown-leave-active {
+  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+  transform-origin: top right;
+}
+
+.dropdown-enter-from {
+  opacity: 0;
+  transform: scale(0.95) translateY(-10px);
+}
+
+.dropdown-leave-to {
+  opacity: 0;
+  transform: scale(0.95) translateY(-10px);
+}
+
+@keyframes pulse-menu {
+  0%, 100% { transform: scale(1); }
+  50% { transform: scale(1.1); }
+}
+
+/* Responsive design */
+@media (max-width: 768px) {
+  .dropdown-menu {
+    min-width: 200px;
+    padding: 10px;
+  }
+
+  .menu-label {
+    font-size: 0.7rem;
+  }
+
+  .menu-item {
+    padding: 6px;
+  }
+}
+
+@media (max-width: 480px) {
+  .dropdown-menu {
+    /* En móvil, centrar mejor el menú */
+    right: -10px;
+  }
+}
+</style>