diff --git a/src/components/AppFooter.vue b/src/components/AppFooter.vue
index 69a1691..584673a 100644
--- a/src/components/AppFooter.vue
+++ b/src/components/AppFooter.vue
@@ -1,39 +1,62 @@
 <template>
-  <v-footer height="40" app>
-    <a
-      v-for="item in items"
-      :key="item.title"
-      :href="item.href"
-      :title="item.title"
-      class="d-inline-block mx-2 social-link"
-      rel="noopener noreferrer"
-      target="_blank"
+  <div>
+    <!-- Footer completo: visible siempre en desktop, toggle en mobile -->
+    <v-footer
+      v-if="expanded || !isMobile"
+      height="40"
+      app
+      class="app-footer"
+      :class="{ 'footer-overlay': isMobile }"
     >
-      <v-icon
-        :icon="item.icon"
-        :size="item.icon === '$vuetify' ? 24 : 16"
-      />
-    </a>
-
-    <div
-      class="text-caption text-disabled"
-      style="position: absolute; right: 16px;"
-    >
-      &copy; 2016-{{ (new Date()).getFullYear() }} <span class="d-none d-sm-inline-block">Vuetify, LLC</span>
-      —
       <a
-        class="text-decoration-none on-surface"
-        href="https://vuetifyjs.com/about/licensing/"
+        v-for="item in items"
+        :key="item.title"
+        :href="item.href"
+        :title="item.title"
+        class="d-inline-block mx-2 social-link"
         rel="noopener noreferrer"
         target="_blank"
       >
-        MIT License
+        <v-icon
+          :icon="item.icon"
+          :size="item.icon === '$vuetify' ? 24 : 16"
+        />
       </a>
-    </div>
-  </v-footer>
+
+      <div
+        class="text-caption text-disabled"
+        style="position: absolute; right: 16px;"
+      >
+        &copy; 2016-{{ (new Date()).getFullYear() }} <span class="d-none d-sm-inline-block">Vuetify, LLC</span>
+        —
+        <a
+          class="text-decoration-none on-surface"
+          href="https://vuetifyjs.com/about/licensing/"
+          rel="noopener noreferrer"
+          target="_blank"
+        >
+          MIT License
+        </a>
+      </div>
+    </v-footer>
+
+    <!-- Botón flotante: solo en mobile -->
+    <v-btn
+      v-if="isMobile"
+      icon
+      size="small"
+      class="footer-toggle-btn"
+      :color="expanded ? 'primary' : undefined"
+      @click="expanded = !expanded"
+    >
+      <v-icon :icon="expanded ? 'mdi-close' : '$vuetify'" :size="expanded ? 20 : 24" />
+    </v-btn>
+  </div>
 </template>
 
 <script setup>
+  import { ref, computed, onMounted, onUnmounted } from 'vue';
+
   const items = [
     {
       title: 'Vuetify Documentation',
@@ -65,15 +88,48 @@
       icon: `mdi-reddit`,
       href: 'https://reddit.com/r/vuetifyjs',
     },
-  ]
+  ];
+
+  const expanded = ref(false);
+  const windowWidth = ref(typeof window !== 'undefined' ? window.innerWidth : 1200);
+
+  const isMobile = computed(() => windowWidth.value < 960);
+
+  const onResize = () => {
+    windowWidth.value = window.innerWidth;
+  };
+
+  onMounted(() => {
+    window.addEventListener('resize', onResize);
+  });
+
+  onUnmounted(() => {
+    window.removeEventListener('resize', onResize);
+  });
 </script>
 
 <style scoped lang="sass">
-  .social-link :deep(.v-icon)
-    color: rgba(var(--v-theme-on-background), var(--v-disabled-opacity))
-    text-decoration: none
-    transition: .2s ease-in-out
+.social-link :deep(.v-icon)
+  color: rgba(var(--v-theme-on-background), var(--v-disabled-opacity))
+  text-decoration: none
+  transition: .2s ease-in-out
 
-    &:hover
-      color: rgba(25, 118, 210, 1)
+  &:hover
+    color: rgba(25, 118, 210, 1)
+
+/* Botón flotante para mobile */
+.footer-toggle-btn
+  position: fixed
+  bottom: 12px
+  right: 12px
+  z-index: 2000
+  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25)
+
+/* Overlay del footer en mobile */
+.footer-overlay
+  position: fixed !important
+  bottom: 0
+  left: 0
+  right: 0
+  z-index: 1999
 </style>
diff --git a/src/components/LoginDialog.vue b/src/components/LoginDialog.vue
index df79108..6f6c157 100644
--- a/src/components/LoginDialog.vue
+++ b/src/components/LoginDialog.vue
@@ -1,7 +1,13 @@
 <template>
   <v-dialog v-model="show" max-width="400">
     <v-card>
-      <v-card-title class="headline">Iniciar sesión</v-card-title>
+      <v-card-title class="headline d-flex align-center">
+        Iniciar sesión
+        <v-spacer />
+        <v-btn icon size="small" variant="text" @click="show = false">
+          <v-icon>mdi-close</v-icon>
+        </v-btn>
+      </v-card-title>
       <v-card-text>
         <v-form ref="form" @submit.prevent="onSubmit">
           <v-text-field
diff --git a/src/components/catalog/Card.vue b/src/components/catalog/Card.vue
index 4659528..3857305 100644
--- a/src/components/catalog/Card.vue
+++ b/src/components/catalog/Card.vue
@@ -63,52 +63,64 @@
 
     <!-- Footer con Controles de Cantidad -->
     <v-card-actions class="product-actions pa-2 pb-3 justify-center">
-      <div class="quantity-controls">
+      <template v-if="disabled">
         <v-btn
-          icon
-          size="small"
+          color="primary"
           variant="tonal"
-          color="error"
-          class="qty-btn"
-          @click="decrease(product)"
-          :disabled="disabled || product.quantity === 0"
+          prepend-icon="mdi-cart-plus"
+          class="login-add-btn"
+          @click="$emit('request-login')"
         >
-          <v-icon size="20">mdi-minus</v-icon>
+          Agregar
         </v-btn>
+      </template>
+      <template v-else>
+        <div class="quantity-controls">
+          <v-btn
+            icon
+            size="small"
+            variant="tonal"
+            color="error"
+            class="qty-btn"
+            @click="decrease(product)"
+            :disabled="product.quantity === 0"
+          >
+            <v-icon size="20">mdi-minus</v-icon>
+          </v-btn>
 
-        <v-text-field
-          v-model.number="product.quantity"
-          type="number"
-          min="0"
-          class="quantity-input mx-1"
-          variant="solo-filled"
-          density="compact"
-          hide-details
-          single-line
-          flat
-          aria-label="Cantidad"
-          :disabled="disabled"
-          @input="handleQuantityChange"
-        />
+          <v-text-field
+            v-model.number="product.quantity"
+            type="number"
+            min="0"
+            class="quantity-input mx-1"
+            variant="solo-filled"
+            density="compact"
+            hide-details
+            single-line
+            flat
+            aria-label="Cantidad"
+            @input="handleQuantityChange"
+          />
 
-        <v-btn
-          icon
-          size="small"
-          variant="tonal"
-          color="success"
-          class="qty-btn"
-          @click="handleIncrease"
-          :disabled="disabled"
-        >
-          <v-icon size="20">mdi-plus</v-icon>
-        </v-btn>
-      </div>
+          <v-btn
+            icon
+            size="small"
+            variant="tonal"
+            color="success"
+            class="qty-btn"
+            @click="handleIncrease"
+          >
+            <v-icon size="20">mdi-plus</v-icon>
+          </v-btn>
+        </div>
+      </template>
     </v-card-actions>
   </v-card>
 </template>
 
 <script>
 export default {
+  emits: ['add-to-cart', 'request-login'],
   props: {
     product: {
       type: Object,
@@ -312,6 +324,13 @@ export default {
    RESPONSIVE BREAKPOINTS
    ============================================ */
 
+/* Botón de agregar (no autenticado) */
+.login-add-btn {
+  width: 100%;
+  font-weight: 600;
+  letter-spacing: 0.5px;
+}
+
 /* Móvil pequeño (< 375px) */
 @media (max-width: 374px) {
   .product-content {
diff --git a/src/pages/catalog.vue b/src/pages/catalog.vue
index d85a138..2b7bc6e 100644
--- a/src/pages/catalog.vue
+++ b/src/pages/catalog.vue
@@ -49,20 +49,6 @@
           </div>
         </v-sheet>
 
-        <!-- Controles de paginación superiores -->
-        <PaginationControls
-          v-if="filteredItems.length > 0"
-          :current-page="currentPage"
-          :total-pages="totalPages"
-          :items-per-page="itemsPerPage"
-          :items-per-page-options="itemsPerPageOptions"
-          :pagination-info="paginationInfo"
-          :total-visible-pages="totalVisiblePages"
-          @page-change="handlePageChange"
-          @items-per-page-change="handleItemsPerPageChange"
-          position="top"
-        />
-
         <!-- Grid de productos paginados -->
         <v-row class="product-grid" v-if="paginatedItems.length > 0">
           <v-col
@@ -82,6 +68,7 @@
               :updateQuantity="updateQuantity"
               :disabled="!isAuthenticated"
               @add-to-cart="addToCart"
+              @request-login="showLogin"
             />
           </v-col>
         </v-row>
@@ -136,7 +123,16 @@
             @update-quantity="updateCartQuantity"
             @toggle-collapse="toggleCart"
           />
-          <v-card v-else class="login-prompt-card pa-4 text-center">
+          <v-card v-else-if="!isMobile || showLoginPrompt" class="login-prompt-card pa-4 text-center">
+            <v-btn
+              icon
+              size="x-small"
+              variant="text"
+              class="login-prompt-close"
+              @click="showLoginPrompt = false"
+            >
+              <v-icon size="18">mdi-close</v-icon>
+            </v-btn>
             <v-icon size="48" color="primary" class="mb-2">mdi-cart-lock</v-icon>
             <p class="text-body-2 text-medium-emphasis mb-3">
               Inicia sesión para agregar productos al carrito y finalizar tu compra
@@ -274,7 +270,8 @@ export default {
   setup() {
     const cartStore = useCartStore();
     const authStore = useAuthStore();
-    const cartCollapsed = ref(false); // Cambiado a false para que inicie expandido en desktop
+    const cartCollapsed = ref(false);
+    const showLoginPrompt = ref(false);
     const windowWidth = ref(window.innerWidth);
 
     const isMobile = computed(() => windowWidth.value < 960); // Cambiado de 680 a 960
@@ -295,6 +292,7 @@ export default {
       cartStore,
       authStore,
       cartCollapsed,
+      showLoginPrompt,
       isMobile,
       windowWidth,
     };
@@ -553,7 +551,14 @@ export default {
     openLoginDialog() {
       this.$refs.loginDialogRef.open();
     },
+    showLogin() {
+      this.showLoginPrompt = true;
+      if (this.isMobile) {
+        this.cartCollapsed = false;
+      }
+    },
     onLoginSuccess() {
+      this.showLoginPrompt = false;
       this.api.getCurrentUser().then((user) => {
         this.authStore.setUser(user);
       });
@@ -769,6 +774,13 @@ export default {
 .login-prompt-card {
   border: 2px dashed rgba(0, 0, 0, 0.12);
   background: #fafafa !important;
+  position: relative;
+}
+
+.login-prompt-close {
+  position: absolute;
+  top: 8px;
+  right: 8px;
 }
 
 /* ============================================