fix(logout): enhance logout handling with success and error toasts

fix(tenant): add asset_url to Tenant interface and implement preconnect logic

src/app/core/layout/store-layout/store-layout.component.spec.ts

@@ -12,7 +12,7 @@ import {
   UrlSerializer,
 } from '@angular/router';
 
-import { BehaviorSubject, of } from 'rxjs';
+import { BehaviorSubject, of, throwError } from 'rxjs';
 
 import { Tenant } from '../../services/tenant.interface';
 import { TenantService } from '../../services/tenant.service';
@@ -211,7 +211,7 @@ describe('StoreLayoutComponent', () => {
           useValue: {
             user: authUserState,
             isAuthenticated: isAuthenticatedState,
-            logout: vi.fn().mockReturnValue(of(void 0)),
+            logout: vi.fn().mockReturnValue(of({ message: 'Sesión cerrada correctamente.' })),
           },
         },
         {
@@ -574,6 +574,24 @@ describe('StoreLayoutComponent', () => {
     expect(authService.logout).toHaveBeenCalled();
     expect(cartService.clearCart).toHaveBeenCalled();
     expect(router.navigate).toHaveBeenCalledWith(['/']);
+    expect(TestBed.inject(ToastService).info).toHaveBeenCalledWith(
+      'Sesión cerrada correctamente.',
+    );
+  });
+
+  it('shows a danger toast when logout fails', async () => {
+    const authService = TestBed.inject(AuthService);
+    const message = 'La sesión no pudo cerrarse en el servidor.';
+    (authService.logout as any).mockReturnValue(
+      throwError(() => ({ error: { message } })),
+    );
+
+    const fixture = TestBed.createComponent(StoreLayoutComponent);
+    fixture.detectChanges();
+
+    await (fixture.componentInstance as any).onLogoutClick();
+
+    expect(TestBed.inject(ToastService).danger).toHaveBeenCalledWith(message);
   });
 
   it('provides account actions from the footer', () => {

src/app/core/layout/store-layout/store-layout.component.ts

@@ -236,23 +236,39 @@ export class StoreLayoutComponent implements OnInit {
       const navigationSucceeded = await this.router.navigate(['/']);
 
       if (!navigationSucceeded) {
+        this.toastService.danger('No se pudo cerrar la sesión. Intentá nuevamente.');
         return;
       }
     }
 
     this.authService.logout().subscribe({
-      next: () => {
+      next: ({ message }) => {
         this.cartService.clearCart();
         this.isCartOpen.set(false);
+        this.toastService.info(message || 'Sesión cerrada correctamente.');
 
         if (!isLeavingCheckout) {
           void this.router.navigate(['/']);
         }
       },
-      error: (err) => console.error('Error logging out', err),
+      error: (error: unknown) => {
+        this.toastService.danger(this.resolveLogoutErrorMessage(error));
+        console.error('Error logging out', error);
+      },
     });
   }
 
+  private resolveLogoutErrorMessage(error: unknown): string {
+    const payload =
+      typeof error === 'object' && error !== null && 'error' in error
+        ? (error as { error?: { message?: unknown } }).error
+        : undefined;
+
+    return typeof payload?.message === 'string' && payload.message.trim()
+      ? payload.message
+      : 'No se pudo cerrar la sesión. Intentá nuevamente.';
+  }
+
   protected async onCheckoutClick(): Promise<void> {
     if (this.isCreatingPurchase()) {
       return;

src/app/core/services/auth/auth.interfaces.ts

@@ -33,6 +33,10 @@ export interface LoginResponse {
   user: AuthUser;
 }
 
+export interface LogoutResponse {
+  message: string;
+}
+
 export interface RegisterResponse {
   message: string;
   data: AuthUser;

src/app/core/services/auth/auth.service.ts

@@ -10,6 +10,7 @@ import {
   AuthUser,
   LoginPayload,
   LoginResponse,
+  LogoutResponse,
   RegisterPayload,
   RegisterResponse,
   ResetPasswordPayload,
@@ -155,14 +156,14 @@ export class AuthService extends BaseApiService {
       .pipe(tap((user) => this.userState.set(user)));
   }
 
-  logout(): Observable<void> {
+  logout(): Observable<LogoutResponse> {
     if (!this.tokenState()) {
       this.clearSession();
-      return of(void 0);
+      return of({ message: 'Sesión cerrada correctamente.' });
     }
 
     return this.http
-      .post<void>(`${environment.url}logout`, {})
+      .post<LogoutResponse>(`${environment.url}logout`, {})
       .pipe(tap(() => this.clearSession()));
   }
 

src/app/core/services/catalog/catalog.interface.ts

@@ -72,7 +72,7 @@ export interface CatalogItemVariant {
   maximum_use_date?: string | null;
   effective_minimum_use_date?: string | null;
   effective_maximum_use_date?: string | null;
-  values: Record<string, string | string[]>;
+  values: Record<string, CatalogVariantValue>;
 }
 
 export interface SelectedCatalogItemVariant extends CatalogItemVariant {

src/app/core/services/modal.service.spec.ts

@@ -7,6 +7,7 @@ import { firstValueFrom } from 'rxjs';
 
 import { ConfirmDeleteModalComponent } from '../../shared/components/confirm-delete-modal/confirm-delete-modal.component';
 import { ConfirmModalComponent } from '../../shared/components/confirm-modal/confirm-modal.component';
+import { ImageModalComponent } from '../../shared/components/image-modal/image-modal.component';
 import { QrModalComponent } from '../../shared/components/qr-modal/qr-modal.component';
 import { SimpleModalComponent } from '../../shared/components/simple-modal/simple-modal.component';
 import { MODAL_DATA, ModalRef, ModalService } from './modal.service';
@@ -258,6 +259,36 @@ describe('ModalService', () => {
       showCloseButton: true,
     });
   });
+
+  it('opens the image viewer fullscreen with normalized zoom limits', () => {
+    service.openImage({
+      title: 'Producto',
+      src: '/images/producto.webp',
+      alt: 'Producto visto de frente',
+      initialZoom: 8,
+      minZoom: 0,
+      maxZoom: 3,
+    });
+
+    const activeModal = service.activeModal();
+
+    expect(activeModal?.component).toBe(ImageModalComponent);
+    expect(activeModal?.config).toEqual({
+      title: 'Producto',
+      size: 'full',
+      presentation: 'fullscreen-media',
+      data: {
+        src: '/images/producto.webp',
+        alt: 'Producto visto de frente',
+        initialZoom: 3,
+        minZoom: 0.1,
+        maxZoom: 3,
+      },
+      closeOnBackdrop: true,
+      closeOnEscape: true,
+      showCloseButton: true,
+    });
+  });
 });
 
 @Component({

src/app/core/services/modal.service.ts

@@ -2,16 +2,19 @@ import { InjectionToken, Injectable, Type, signal } from '@angular/core';
 import { Observable, Subject, map } from 'rxjs';
 import { ConfirmDeleteModalComponent } from '../../shared/components/confirm-delete-modal/confirm-delete-modal.component';
 import { ConfirmModalComponent } from '../../shared/components/confirm-modal/confirm-modal.component';
+import { ImageModalComponent } from '../../shared/components/image-modal/image-modal.component';
 import { QrModalComponent } from '../../shared/components/qr-modal/qr-modal.component';
 import { SimpleModalComponent } from '../../shared/components/simple-modal/simple-modal.component';
 
 export type ModalSize = 'qr' | 'sm' | 'md' | 'lg' | 'xl' | 'full';
-export type ModalDismissReason = 'backdrop' | 'escape' | 'programmatic' | 'replaced';
+export type ModalDismissReason = 'backdrop' | 'escape' | 'programmatic' | 'replaced' | 'swipe';
+export type ModalPresentation = 'dialog' | 'fullscreen-media';
 
 export interface ModalConfig<TData = unknown> {
   title?: string;
   data?: TData;
   size?: ModalSize;
+  presentation?: ModalPresentation;
   closeOnBackdrop?: boolean;
   closeOnEscape?: boolean;
   showCloseButton?: boolean;
@@ -62,6 +65,25 @@ export interface QrModalConfig extends Omit<ModalConfig<QrModalData>, 'data' | '
   ticket: string;
 }
 
+export interface ImageModalData {
+  src: string;
+  alt: string;
+  initialZoom: number;
+  minZoom: number;
+  maxZoom: number;
+}
+
+export interface ImageModalConfig extends Omit<
+  ModalConfig<ImageModalData>,
+  'data' | 'presentation' | 'size'
+> {
+  src: string;
+  alt: string;
+  initialZoom?: number;
+  minZoom?: number;
+  maxZoom?: number;
+}
+
 export interface ActiveModalState<TResult = unknown, TData = unknown> {
   component: Type<unknown>;
   config: NormalizedModalConfig<TData>;
@@ -195,6 +217,33 @@ export class ModalService {
     });
   }
 
+  openImage(config: ImageModalConfig): Observable<void> {
+    return this.openImageRef(config).afterClosed$.pipe(map(() => undefined));
+  }
+
+  openImageRef(config: ImageModalConfig): ModalRef<void> {
+    const { src, alt, initialZoom = 1, minZoom = 1, maxZoom = 4, ...modalConfig } = config;
+    const normalizedMinZoom = Math.max(0.1, minZoom);
+    const normalizedMaxZoom = Math.max(normalizedMinZoom, maxZoom);
+    const normalizedInitialZoom = Math.min(
+      normalizedMaxZoom,
+      Math.max(normalizedMinZoom, initialZoom),
+    );
+
+    return this.open(ImageModalComponent, {
+      ...modalConfig,
+      size: 'full',
+      presentation: 'fullscreen-media',
+      data: {
+        src,
+        alt,
+        initialZoom: normalizedInitialZoom,
+        minZoom: normalizedMinZoom,
+        maxZoom: normalizedMaxZoom,
+      },
+    });
+  }
+
   private close<TResult>(ref: ModalRef<TResult>, result?: TResult): void {
     if (this.activeModalState()?.ref !== ref) {
       return;

src/app/core/services/tenant.interface.ts

@@ -113,6 +113,7 @@ export interface Tenant {
   dominio: string;
   base_path?: string;
   site_title?: string | null;
+  asset_url?: string | null;
   address?: string | null;
   phone?: string | null;
   favicon?: string | null;

src/app/core/services/tenant.service.spec.ts

@@ -15,6 +15,7 @@ const tenant: Tenant = {
   codigo: 'test',
   nombre: 'Test Tenant',
   dominio: 'localhost',
+  asset_url: 'https://s3.example.com/assets',
   primary_color: '#6376F3',
   secondary_color: '#A0A0A0',
   danger_color: '#FF8888',
@@ -44,6 +45,7 @@ const tenantResponse: TenantBootstrapResponse = {
 
 describe('TenantService', () => {
   beforeEach(() => {
+    document.head.querySelectorAll('link[rel="preconnect"]').forEach((link) => link.remove());
     try {
       window.history.replaceState({}, '', 'http://localhost:4200/');
     } catch (e) {
@@ -72,6 +74,9 @@ describe('TenantService', () => {
     expect(service.status()).toBe('ready');
     expect(service.tenant()).toEqual(tenant);
     expect(service.getTenant()).toEqual(tenant);
+    expect(
+      document.head.querySelector('link[rel="preconnect"][href="https://s3.example.com/"]'),
+    ).not.toBeNull();
 
     httpController.verify();
   });

src/app/core/services/tenant.service.ts

@@ -1,4 +1,4 @@
-import { isPlatformBrowser, isPlatformServer } from '@angular/common';
+import { DOCUMENT, isPlatformBrowser, isPlatformServer } from '@angular/common';
 import { HttpErrorResponse } from '@angular/common/http';
 import {
   inject,
@@ -26,6 +26,7 @@ import {
   providedIn: 'root',
 })
 export class TenantService extends BaseApiService {
+  private readonly document = inject(DOCUMENT);
   private readonly platformId = inject(PLATFORM_ID);
   private readonly request = inject(REQUEST, { optional: true });
   private readonly responseInit = inject(RESPONSE_INIT, { optional: true });
@@ -182,10 +183,40 @@ export class TenantService extends BaseApiService {
   }
 
   private setReady(tenant: Tenant): void {
+    this.ensureAssetPreconnect(tenant.asset_url);
     this.tenantState.set(tenant);
     this.statusState.set('ready');
   }
 
+  private ensureAssetPreconnect(assetUrl: string | null | undefined): void {
+    if (!assetUrl) {
+      return;
+    }
+
+    let origin: string;
+
+    try {
+      const url = new URL(assetUrl);
+      if (url.protocol !== 'http:' && url.protocol !== 'https:') {
+        return;
+      }
+      origin = url.origin;
+    } catch {
+      return;
+    }
+
+    const existingPreconnects =
+      this.document.head.querySelectorAll<HTMLLinkElement>('link[rel="preconnect"]');
+    if ([...existingPreconnects].some((link) => link.href === `${origin}/`)) {
+      return;
+    }
+
+    const link = this.document.createElement('link');
+    link.rel = 'preconnect';
+    link.href = origin;
+    this.document.head.append(link);
+  }
+
   private setNotFound(): void {
     this.tenantState.set(null);
     this.statusState.set('not-found');

src/app/core/services/toast.service.spec.ts

@@ -1,3 +1,4 @@
+import { DOCUMENT } from '@angular/common';
 import { TestBed } from '@angular/core/testing';
 import { vi } from 'vitest';
 import { ToastService } from './toast.service';
@@ -6,14 +7,16 @@ describe('ToastService', () => {
   let service: ToastService;
 
   beforeEach(() => {
+    vi.useFakeTimers();
     TestBed.configureTestingModule({
       providers: [ToastService]
     });
+    TestBed.inject(DOCUMENT).defaultView?.sessionStorage.removeItem('shopit.pending-toast');
     service = TestBed.inject(ToastService);
-    vi.useFakeTimers();
   });
 
   afterEach(() => {
+    TestBed.inject(DOCUMENT).defaultView?.sessionStorage.removeItem('shopit.pending-toast');
     vi.useRealTimers();
   });
 
@@ -98,4 +101,23 @@ describe('ToastService', () => {
 
     expect(service.toasts().length).toBe(1);
   });
+
+  it('should restore a toast queued for after a full page reload', () => {
+    service.showAfterReload('Sesión iniciada correctamente.', 'success', 0);
+
+    TestBed.resetTestingModule();
+    TestBed.configureTestingModule({ providers: [ToastService] });
+    service = TestBed.inject(ToastService);
+
+    expect(service.toasts()).toEqual([
+      expect.objectContaining({
+        message: 'Sesión iniciada correctamente.',
+        type: 'success',
+        duration: 0,
+      }),
+    ]);
+    expect(
+      TestBed.inject(DOCUMENT).defaultView?.sessionStorage.getItem('shopit.pending-toast'),
+    ).toBeNull();
+  });
 });

src/app/core/services/toast.service.ts

@@ -1,4 +1,7 @@
-import { Injectable, signal } from '@angular/core';
+import { DOCUMENT, isPlatformBrowser } from '@angular/common';
+import { inject, Injectable, PLATFORM_ID, signal } from '@angular/core';
+
+const PENDING_TOAST_STORAGE_KEY = 'shopit.pending-toast';
 
 export interface Toast {
   id: string;
@@ -11,9 +14,15 @@ export interface Toast {
   providedIn: 'root'
 })
 export class ToastService {
+  private readonly document = inject(DOCUMENT);
+  private readonly platformId = inject(PLATFORM_ID);
   private readonly toastsSignal = signal<Toast[]>([]);
   readonly toasts = this.toastsSignal.asReadonly();
 
+  constructor() {
+    this.restorePendingToast();
+  }
+
   show(message: string, type: 'success' | 'danger' | 'info' = 'info', duration = 3000): string {
     const id = Math.random().toString(36).substring(2, 9);
     const newToast: Toast = { id, message, type, duration };
@@ -41,7 +50,50 @@ export class ToastService {
     return this.show(message, 'success', duration);
   }
 
+  showAfterReload(
+    message: string,
+    type: Toast['type'] = 'info',
+    duration = 3000,
+  ): void {
+    if (!isPlatformBrowser(this.platformId)) {
+      return;
+    }
+
+    this.document.defaultView?.sessionStorage.setItem(
+      PENDING_TOAST_STORAGE_KEY,
+      JSON.stringify({ message, type, duration }),
+    );
+  }
+
   dismiss(id: string): void {
     this.toastsSignal.update((toasts) => toasts.filter((t) => t.id !== id));
   }
+
+  private restorePendingToast(): void {
+    if (!isPlatformBrowser(this.platformId)) {
+      return;
+    }
+
+    const storage = this.document.defaultView?.sessionStorage;
+    const pendingToast = storage?.getItem(PENDING_TOAST_STORAGE_KEY);
+
+    if (!pendingToast) {
+      return;
+    }
+
+    storage?.removeItem(PENDING_TOAST_STORAGE_KEY);
+
+    try {
+      const parsed = JSON.parse(pendingToast) as Partial<Toast>;
+
+      if (
+        typeof parsed.message === 'string' &&
+        (parsed.type === 'success' || parsed.type === 'danger' || parsed.type === 'info')
+      ) {
+        this.show(parsed.message, parsed.type, parsed.duration);
+      }
+    } catch {
+      // Ignore malformed session data left by an older or interrupted client.
+    }
+  }
 }

src/app/features/componentes-test/pages/reutilizables-test-page/reutilizables-test-page.component.html

@@ -83,6 +83,9 @@
               Abrir modal ancho
             </app-button>
             <app-button (click)="openSimpleModal()"> Abrir simple modal </app-button>
+            <app-button variant="secondary" (click)="openImageModal()">
+              Abrir visor de imagen
+            </app-button>
           </div>
           <div class="modal-showcase__result" data-testid="modal-last-result">
             {{ lastModalResult }}

src/app/features/componentes-test/pages/reutilizables-test-page/reutilizables-test-page.component.spec.ts

@@ -51,6 +51,7 @@ function createModalServiceStub() {
     open: vi.fn(),
     openConfirm: vi.fn().mockReturnValue(of(true)),
     openConfirmDelete: vi.fn().mockReturnValue(of(false)),
+    openImage: vi.fn().mockReturnValue(of(undefined)),
   };
 }
 
@@ -281,6 +282,9 @@ describe('ReutilizablesTestPageComponent', () => {
     const deleteButton = buttons.find((button) =>
       button.textContent?.includes('Abrir confirm delete'),
     ) as HTMLButtonElement;
+    const imageButton = buttons.find((button) =>
+      button.textContent?.includes('Abrir visor de imagen'),
+    ) as HTMLButtonElement;
 
     expect(element.querySelector('[data-testid="modal-last-result"]')?.textContent).toContain(
       'Todavia no se abrio ningun modal.',
@@ -290,6 +294,8 @@ describe('ReutilizablesTestPageComponent', () => {
     fixture.detectChanges();
     deleteButton.click();
     fixture.detectChanges();
+    imageButton.click();
+    fixture.detectChanges();
 
     expect(modalServiceStub.openConfirm).toHaveBeenCalledWith({
       title: 'Confirmar accion',
@@ -302,6 +308,11 @@ describe('ReutilizablesTestPageComponent', () => {
         'Esta accion eliminara el producto del catalogo. Podras volver a crearlo manualmente.',
       confirmLabel: 'Eliminar',
     });
+    expect(modalServiceStub.openImage).toHaveBeenCalledWith({
+      title: 'Mochila urbana roja',
+      src: '/images/carousel-mochila-roja.webp',
+      alt: 'Mochila urbana roja vista de frente',
+    });
     expect(element.querySelector('[data-testid="modal-last-result"]')?.textContent).toContain(
       'Resultado: false',
     );

src/app/features/componentes-test/pages/reutilizables-test-page/reutilizables-test-page.component.ts

@@ -493,6 +493,14 @@ export class ReutilizablesTestPageComponent {
       });
   }
 
+  protected openImageModal(): void {
+    this.modalService.openImage({
+      title: 'Mochila urbana roja',
+      src: '/images/carousel-mochila-roja.webp',
+      alt: 'Mochila urbana roja vista de frente',
+    });
+  }
+
   private openConfirmModal(config: Parameters<ModalService['openConfirm']>[0]): void {
     this.modalService.openConfirm(config).subscribe((confirmed) => {
       this.lastModalResult = `Resultado: ${confirmed}`;

src/app/features/store/components/product-attribute-selector/product-attribute-selector.component.spec.ts

@@ -1,7 +1,10 @@
 import { TestBed } from '@angular/core/testing';
 import { beforeEach, describe, expect, it } from 'vitest';
 
-import { ProductAttribute } from '../../../../core/services/catalog/catalog.interface';
+import {
+  CatalogItemVariant,
+  ProductAttribute,
+} from '../../../../core/services/catalog/catalog.interface';
 import { ProductAttributeSelectorComponent } from './product-attribute-selector.component';
 
 describe('ProductAttributeSelectorComponent', () => {
@@ -24,6 +27,63 @@ describe('ProductAttributeSelectorComponent', () => {
     }).compileComponents();
   });
 
+  it.each([{ size: { value: 'S', label: 'Small' } }, { size: [{ value: 'S', label: 'Small' }] }])(
+    'initializes and matches structured variant values: %j',
+    (values) => {
+      const fixture = TestBed.createComponent(ProductAttributeSelectorComponent);
+      const variant: CatalogItemVariant = { id: 1, maximum_addable_quantity: null, values };
+      const emittedIds: Array<number | null> = [];
+      fixture.componentInstance.variantChange.subscribe((selected) =>
+        emittedIds.push(selected?.id ?? null),
+      );
+      fixture.componentRef.setInput('attributes', [sizeAttribute]);
+      fixture.componentRef.setInput('inventoryPolicy', 'unlimited');
+      fixture.componentRef.setInput('variants', [variant]);
+      fixture.componentRef.setInput('selectedVariant', variant);
+      fixture.detectChanges();
+
+      const button = fixture.nativeElement.querySelector(
+        '.attribute-selector__text-option',
+      ) as HTMLButtonElement;
+      expect(button.getAttribute('aria-pressed')).toBe('true');
+      expect(button.disabled).toBe(false);
+      expect(emittedIds.at(-1)).toBe(1);
+    },
+  );
+
+  it.each([0, 2, null])(
+    'uses maximum quantity %s for alternatives to a preselected option',
+    (maximum) => {
+      const fixture = TestBed.createComponent(ProductAttributeSelectorComponent);
+      const variants: CatalogItemVariant[] = [
+        { id: 1, maximum_addable_quantity: 3, values: { size: { value: 'S', label: 'Small' } } },
+        {
+          id: 2,
+          maximum_addable_quantity: maximum,
+          values: { size: { value: 'M', label: 'Medium' } },
+        },
+      ];
+      const emittedIds: Array<number | null> = [];
+      fixture.componentInstance.variantChange.subscribe((variant) =>
+        emittedIds.push(variant?.id ?? null),
+      );
+      fixture.componentRef.setInput('attributes', [sizeAttribute]);
+      fixture.componentRef.setInput('inventoryPolicy', maximum === null ? 'unlimited' : 'tracked');
+      fixture.componentRef.setInput('variants', variants);
+      fixture.componentRef.setInput('selectedVariant', variants[0]);
+      fixture.detectChanges();
+
+      const buttons = fixture.nativeElement.querySelectorAll(
+        '.attribute-selector__text-option',
+      ) as NodeListOf<HTMLButtonElement>;
+      expect(buttons[1].disabled).toBe(maximum === 0);
+      buttons[1].click();
+      fixture.detectChanges();
+      expect(emittedIds.at(-1)).toBe(maximum === 0 ? 1 : 2);
+      expect(buttons[0].disabled).toBe(false);
+    },
+  );
+
   it('keeps an unlimited option available when maximum quantity is null', () => {
     const fixture = TestBed.createComponent(ProductAttributeSelectorComponent);
     fixture.componentRef.setInput('attributes', [sizeAttribute]);
@@ -94,7 +154,16 @@ describe('ProductAttributeSelectorComponent', () => {
     fixture.componentRef.setInput('variants', [
       { id: 1, maximum_addable_quantity: null, values: { event_date: '1' } },
       { id: 2, maximum_addable_quantity: null, values: { event_date: '2' } },
-      { id: 3, maximum_addable_quantity: null, values: { event_date: ['1', '2'] } },
+      {
+        id: 3,
+        maximum_addable_quantity: null,
+        values: {
+          event_date: [
+            { value: '1', label: '09/10/2026' },
+            { value: '2', label: '10/10/2026' },
+          ],
+        },
+      },
     ]);
     fixture.detectChanges();
 

src/app/features/store/components/product-attribute-selector/product-attribute-selector.component.ts

@@ -51,22 +51,15 @@ export class ProductAttributeSelectorComponent {
         const optionNormalized = this.normalizeText(option.value || option.label);
         const selectedForAttribute = selections[attribute.codigo] ?? [];
 
-        if (
-          !attribute.allow_multi_select &&
-          selectedForAttribute.length >= 1 &&
-          !selectedForAttribute.includes(option.id)
-        ) {
-          availability[attribute.codigo][option.id] = false;
-          continue;
-        }
-
         const isAvailable = variants.some((variant) => {
           if (!this.isVariantAvailable(variant)) return false;
 
           const variantAttrValues = this.getVariantAttributeValues(attribute, variant.values);
-          const desiredOptionIds = selectedForAttribute.includes(option.id)
+          const desiredOptionIds = !attribute.allow_multi_select
-            ? selectedForAttribute
+            ? [option.id]
-            : [...selectedForAttribute, option.id];
+            : selectedForAttribute.includes(option.id)
+              ? selectedForAttribute
+              : [...selectedForAttribute, option.id];
           const desiredValues = desiredOptionIds
             .map((id) => attribute.options.find((candidate) => candidate.id === id))
             .filter((candidate): candidate is ProductAttributeOption => candidate !== undefined)
@@ -202,7 +195,7 @@ export class ProductAttributeSelectorComponent {
 
   private getVariantAttributeValues(
     attribute: ProductAttribute,
-    variantAttributes: Record<string, string | string[]>,
+    variantAttributes: CatalogItemVariant['values'],
   ): string[] {
     const normalizedCodigo = this.normalizeText(attribute.codigo);
     const normalizedNombre = this.normalizeText(attribute.nombre);
@@ -211,7 +204,9 @@ export class ProductAttributeSelectorComponent {
       const normalizedKey = this.normalizeText(key);
 
       if (normalizedKey === normalizedCodigo || normalizedKey === normalizedNombre) {
-        return (Array.isArray(value) ? value : [value]).map((item) => this.normalizeText(item));
+        return (Array.isArray(value) ? value : [value]).map((item) =>
+          this.normalizeText(typeof item === 'string' ? item : item.value || item.label),
+        );
       }
     }
 

src/app/features/store/components/product-carousel/product-carousel.component.html

@@ -54,7 +54,7 @@
   <!-- Thumbnails Row -->
   @if (images().length > 1) {
     <div class="product-carousel__thumbnails">
-      @for (image of images(); track image; let idx = $index) {
+      @for (image of images(); track $index; let idx = $index) {
         <button
           type="button"
           class="product-carousel__thumbnail border-0 p-0 overflow-hidden bg-light"

src/app/features/store/pages/checkout-page/checkout-page.component.spec.ts

@@ -159,6 +159,64 @@ describe('CheckoutPageComponent payment validation', () => {
     expect(component.checkoutRemainingTime()).toBe('10:00');
   });
 
+  it('checks the purchase when the countdown expires and redirects to the expired status', async () => {
+    const countdown = TestBed.inject(CheckoutCountdownService);
+    checkoutServiceStub.getPurchase.mockResolvedValue({ status: 'expired' });
+    const { fixture, component } = createComponent();
+    component.createdPurchase.set({
+      id: 25,
+      status: 'created',
+      expires_at: new Date(Date.now() + 1_000).toISOString(),
+      expires_in_seconds: 1,
+      server_time: new Date().toISOString(),
+      items: [],
+      subtotal: '0.00',
+      total: '0.00',
+    });
+    countdown.synchronize(component.createdPurchase());
+    fixture.detectChanges();
+
+    await vi.advanceTimersByTimeAsync(1_000);
+    fixture.detectChanges();
+    await Promise.resolve();
+
+    expect(checkoutServiceStub.getPurchase).toHaveBeenCalledOnce();
+    expect(checkoutServiceStub.getPurchase).toHaveBeenCalledWith('tenant-test', 25);
+    expect(routerStub.navigate).toHaveBeenCalledWith(['/checkout/status', 25], {
+      queryParams: { status: 'expired' },
+    });
+  });
+
+  it('checks the purchase only once when the expired countdown remains at zero', async () => {
+    const countdown = TestBed.inject(CheckoutCountdownService);
+    checkoutServiceStub.getPurchase.mockResolvedValue({
+      status: 'pending_payment',
+      expires_at: new Date(Date.now() - 1_000).toISOString(),
+      expires_in_seconds: 0,
+      server_time: new Date().toISOString(),
+    });
+    const { fixture, component } = createComponent();
+    component.createdPurchase.set({
+      id: 25,
+      status: 'pending_payment',
+      expires_at: new Date(Date.now() - 1_000).toISOString(),
+      expires_in_seconds: 0,
+      server_time: new Date().toISOString(),
+      items: [],
+      subtotal: '0.00',
+      total: '0.00',
+    });
+    countdown.synchronize(component.createdPurchase());
+    fixture.detectChanges();
+
+    await Promise.resolve();
+    fixture.detectChanges();
+    await vi.advanceTimersByTimeAsync(5_000);
+
+    expect(checkoutServiceStub.getPurchase).toHaveBeenCalledOnce();
+    expect(routerStub.navigate).not.toHaveBeenCalled();
+  });
+
   it('polls QR after five seconds and navigates only when payment is paid', async () => {
     checkoutServiceStub.getPurchase
       .mockResolvedValueOnce({ status: 'pending_payment' })

src/app/features/store/pages/checkout-page/checkout-page.component.ts

@@ -2,6 +2,7 @@ import {
   ChangeDetectionStrategy,
   Component,
   computed,
+  effect,
   inject,
   OnDestroy,
   OnInit,
@@ -86,6 +87,7 @@ export class CheckoutPageComponent implements OnInit, OnDestroy {
   private paymentMethodRequestId = 0;
   private navigationStarted = false;
   private cancelPurchasePromise: Promise<boolean> | null = null;
+  private expirationCheckPurchaseId: number | null = null;
 
   @ViewChild(StepperComponent) stepper!: StepperComponent;
 
@@ -176,6 +178,28 @@ export class CheckoutPageComponent implements OnInit, OnDestroy {
   );
 
   constructor() {
+    effect(() => {
+      const remainingSeconds = this.checkoutCountdownService.remainingSeconds();
+      const purchaseId = this.createdPurchaseId() ?? this.createdPurchase()?.id ?? null;
+
+      if (remainingSeconds !== null && remainingSeconds > 0) {
+        this.expirationCheckPurchaseId = null;
+        return;
+      }
+
+      if (
+        remainingSeconds !== 0 ||
+        purchaseId === null ||
+        this.navigationStarted ||
+        this.expirationCheckPurchaseId === purchaseId
+      ) {
+        return;
+      }
+
+      this.expirationCheckPurchaseId = purchaseId;
+      void this.checkPurchaseAfterCountdownExpiration(purchaseId);
+    });
+
     this.form.statusChanges
       .pipe(startWith(this.form.status))
       .subscribe(() => this.isStep1Valid.set(this.form.valid));
@@ -719,6 +743,35 @@ export class CheckoutPageComponent implements OnInit, OnDestroy {
     void this.router.navigate(['/checkout/status', purchaseId]);
   }
 
+  private async checkPurchaseAfterCountdownExpiration(purchaseId: number): Promise<void> {
+    const tenant = this.tenantService.tenant();
+
+    if (!tenant || this.navigationStarted) {
+      return;
+    }
+
+    try {
+      const purchase = await this.checkoutService
+        .withCustomLoading()
+        .getPurchase(tenant.codigo, purchaseId);
+
+      if (this.navigationStarted) {
+        return;
+      }
+
+      if (purchase.status === 'expired') {
+        this.navigateToExpiredPurchaseStatus();
+        return;
+      }
+
+      this.checkoutCountdownService.synchronize(purchase);
+    } catch (error) {
+      if (this.isPurchaseExpiredError(error)) {
+        this.navigateToExpiredPurchaseStatus();
+      }
+    }
+  }
+
   private async loadPurchase(purchaseId: number): Promise<void> {
     const tenant = this.tenantService.tenant();
     if (!tenant) {

src/app/features/store/pages/login-page/login-page.component.spec.ts

@@ -3,11 +3,21 @@ import { provideRouter, Router } from '@angular/router';
 import { of, throwError } from 'rxjs';
 
 import { AuthService } from '../../../../core/services/auth/auth.service';
+import { ToastService } from '../../../../core/services/toast.service';
 import { LoginPageComponent } from './login-page.component';
 
 describe('LoginPageComponent', () => {
+  let toastService: {
+    danger: ReturnType<typeof vi.fn>;
+    showAfterReload: ReturnType<typeof vi.fn>;
+  };
+
   beforeEach(() => {
     TestBed.resetTestingModule();
+    toastService = {
+      danger: vi.fn(),
+      showAfterReload: vi.fn(),
+    };
   });
 
   it('submits credentials and redirects to home with a full page reload on success', async () => {
@@ -16,14 +26,18 @@ describe('LoginPageComponent', () => {
         of({
           id: 1,
           nombre_apellido: 'Ada Lovelace',
-          email: 'ada@example.com'
+          email: 'ada@example.com',
-        })
+        }),
-      )
+      ),
     };
 
     await TestBed.configureTestingModule({
       imports: [LoginPageComponent],
-      providers: [provideRouter([]), { provide: AuthService, useValue: authService }]
+      providers: [
+        provideRouter([]),
+        { provide: AuthService, useValue: authService },
+        { provide: ToastService, useValue: toastService },
+      ],
     }).compileComponents();
 
     const fixture = TestBed.createComponent(LoginPageComponent);
@@ -34,17 +48,56 @@ describe('LoginPageComponent', () => {
 
     component.form.setValue({
       email: 'ada@example.com',
-      password: 'secret123'
+      password: 'secret123',
     });
 
     component.onSubmit();
 
     expect(authService.login).toHaveBeenCalledWith({
       email: 'ada@example.com',
-      password: 'secret123'
+      password: 'secret123',
     });
     expect(redirectSpy).toHaveBeenCalled();
     expect(navigateSpy).not.toHaveBeenCalled();
+    expect(toastService.showAfterReload).toHaveBeenCalledWith(
+      'Sesión iniciada correctamente.',
+      'success',
+    );
+  });
+
+  it('serializes a stored return URL before reloading so tenant base paths are restored', async () => {
+    await TestBed.configureTestingModule({
+      imports: [LoginPageComponent],
+      providers: [
+        provideRouter([]),
+        { provide: AuthService, useValue: {} },
+        { provide: ToastService, useValue: toastService },
+      ],
+    }).compileComponents();
+
+    const fixture = TestBed.createComponent(LoginPageComponent);
+    const component = fixture.componentInstance as any;
+    const router = TestBed.inject(Router);
+    const assign = vi.fn();
+    const parsedUrl = router.parseUrl('/');
+
+    component.document = {
+      defaultView: {
+        sessionStorage: {
+          getItem: vi.fn().mockReturnValue('/'),
+          removeItem: vi.fn(),
+        },
+      },
+      location: { assign },
+    };
+    const parseUrlSpy = vi.spyOn(router, 'parseUrl').mockReturnValue(parsedUrl);
+    const serializeUrlSpy = vi.spyOn(router, 'serializeUrl').mockReturnValue('/sonder');
+
+    component.redirectToHome();
+
+    expect(parseUrlSpy).toHaveBeenCalledWith('/');
+    expect(serializeUrlSpy).toHaveBeenCalledWith(parsedUrl);
+    expect(assign).toHaveBeenCalledWith('/sonder');
   });
 
   it('surfaces backend login errors', async () => {
@@ -53,16 +106,20 @@ describe('LoginPageComponent', () => {
         throwError(() => ({
           error: {
             errors: {
-              email: ['Las credenciales son invalidas.']
+              email: ['Las credenciales son invalidas.'],
-            }
+            },
-          }
+          },
-        }))
+        })),
-      )
+      ),
     };
 
     await TestBed.configureTestingModule({
       imports: [LoginPageComponent],
-      providers: [provideRouter([]), { provide: AuthService, useValue: authService }]
+      providers: [
+        provideRouter([]),
+        { provide: AuthService, useValue: authService },
+        { provide: ToastService, useValue: toastService },
+      ],
     }).compileComponents();
 
     const fixture = TestBed.createComponent(LoginPageComponent);
@@ -70,22 +127,27 @@ describe('LoginPageComponent', () => {
 
     component.form.setValue({
       email: 'ada@example.com',
-      password: 'wrong-password'
+      password: 'wrong-password',
     });
 
     component.onSubmit();
 
     expect(component.serverError()).toBe('Las credenciales son invalidas.');
+    expect(toastService.danger).toHaveBeenCalledWith('Las credenciales son invalidas.');
   });
 
   it('validates email length and password minimum length before submit', async () => {
     const authService = {
-      login: vi.fn()
+      login: vi.fn(),
     };
 
     await TestBed.configureTestingModule({
       imports: [LoginPageComponent],
-      providers: [provideRouter([]), { provide: AuthService, useValue: authService }]
+      providers: [
+        provideRouter([]),
+        { provide: AuthService, useValue: authService },
+        { provide: ToastService, useValue: toastService },
+      ],
     }).compileComponents();
 
     const fixture = TestBed.createComponent(LoginPageComponent);
@@ -93,12 +155,15 @@ describe('LoginPageComponent', () => {
 
     component.form.setValue({
       email: `${'a'.repeat(250)}@example.com`,
-      password: '1234567'
+      password: '1234567',
     });
     component.onSubmit();
 
     expect(authService.login).not.toHaveBeenCalled();
     expect(component.getControlError('email')).toBe('No puede superar los 255 caracteres.');
     expect(component.getControlError('password')).toBe('Debe tener al menos 8 caracteres.');
+    expect(toastService.danger).toHaveBeenCalledWith(
+      'Revisá los datos ingresados para iniciar sesión.',
+    );
   });
 });

src/app/features/store/pages/login-page/login-page.component.ts

@@ -4,6 +4,7 @@ import { FormBuilder, ReactiveFormsModule, Validators } from '@angular/forms';
 import { ActivatedRoute, Router } from '@angular/router';
 
 import { AuthService } from '../../../../core/services/auth/auth.service';
+import { ToastService } from '../../../../core/services/toast.service';
 import { ButtonComponent } from '../../../../shared/components/button/button.component';
 import { InputComponent } from '../../../../shared/components/input/input.component';
 
@@ -16,13 +17,14 @@ const POST_LOGIN_RETURN_URL_KEY = 'shopit.auth.return-url';
   imports: [ReactiveFormsModule, InputComponent, ButtonComponent],
   templateUrl: './login-page.component.html',
   styleUrl: './login-page.component.scss',
-  changeDetection: ChangeDetectionStrategy.OnPush
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class LoginPageComponent {
   private readonly formBuilder = inject(FormBuilder);
   private readonly router = inject(Router);
   private readonly route = inject(ActivatedRoute);
   private readonly authService = inject(AuthService);
+  private readonly toastService = inject(ToastService);
   private readonly document = inject(DOCUMENT);
   private readonly platformId = inject(PLATFORM_ID);
 
@@ -32,7 +34,7 @@ export class LoginPageComponent {
 
   protected readonly form = this.formBuilder.nonNullable.group({
     email: ['', [Validators.required, Validators.email, Validators.maxLength(EMAIL_MAX_LENGTH)]],
-    password: ['', [Validators.required, Validators.minLength(PASSWORD_MIN_LENGTH)]]
+    password: ['', [Validators.required, Validators.minLength(PASSWORD_MIN_LENGTH)]],
   });
   protected readonly submitted = this.submittedState.asReadonly();
   protected readonly serverError = this.serverErrorState.asReadonly();
@@ -64,6 +66,7 @@ export class LoginPageComponent {
 
     if (this.form.invalid) {
       this.form.markAllAsTouched();
+      this.toastService.danger('Revisá los datos ingresados para iniciar sesión.');
       return;
     }
 
@@ -72,12 +75,13 @@ export class LoginPageComponent {
     this.authService.login(this.form.getRawValue()).subscribe({
       next: () => {
         this.isSubmittingState.set(false);
+        this.toastService.showAfterReload('Sesión iniciada correctamente.', 'success');
         this.redirectToHome();
       },
       error: (error: unknown) => {
         this.isSubmittingState.set(false);
-        this.serverErrorState.set(this.resolveErrorMessage(error));
+        this.showLoginError(error);
-      }
+      },
     });
   }
 
@@ -91,7 +95,7 @@ export class LoginPageComponent {
       }
       this.authService.loginWithGoogle();
     } catch (error: unknown) {
-      this.serverErrorState.set(this.resolveErrorMessage(error));
+      this.showLoginError(error);
     }
   }
 
@@ -139,10 +143,9 @@ export class LoginPageComponent {
     const requestedUrl =
       this.route.snapshot.queryParamMap.get('returnUrl') ??
       this.document.defaultView?.sessionStorage.getItem(POST_LOGIN_RETURN_URL_KEY);
-    const destination =
+    const internalDestination =
-      requestedUrl?.startsWith('/') && !requestedUrl.startsWith('//')
+      requestedUrl?.startsWith('/') && !requestedUrl.startsWith('//') ? requestedUrl : '/';
-        ? requestedUrl
+    const destination = this.router.serializeUrl(this.router.parseUrl(internalDestination));
-        : this.router.serializeUrl(this.router.createUrlTree(['/']));
 
     this.document.defaultView?.sessionStorage.removeItem(POST_LOGIN_RETURN_URL_KEY);
     this.document.location.assign(destination);
@@ -155,15 +158,22 @@ export class LoginPageComponent {
     this.authService.completeGoogleLogin(oauthCode).subscribe({
       next: () => {
         this.isSubmittingState.set(false);
+        this.toastService.showAfterReload('Sesión iniciada correctamente.', 'success');
         this.redirectToHome();
       },
       error: (error: unknown) => {
         this.isSubmittingState.set(false);
-        this.serverErrorState.set(this.resolveErrorMessage(error));
+        this.showLoginError(error);
-      }
+      },
     });
   }
 
+  private showLoginError(error: unknown): void {
+    const message = this.resolveErrorMessage(error);
+    this.serverErrorState.set(message);
+    this.toastService.danger(message);
+  }
+
   private resolveErrorMessage(error: unknown): string {
     const errorPayload =
       typeof error === 'object' && error !== null && 'error' in error

src/app/features/store/pages/store-home-page/store-home-page.component.html

@@ -22,7 +22,7 @@
     No hay productos disponibles en este momento.
   </p>
 } @else {
-  @for (group of catalog(); track group.id) {
+  @for (group of catalog(); track group.id; let first = $first) {
     <app-store-section [attr.id]="group.code" [title]="group.title">
       <app-product-list
         [layout]="group.layout"
@@ -30,6 +30,7 @@
         [items]="group.items"
         [loading]="isGroupLoading(group.id)"
         [loadImages]="!hasMainCarouselImages() || mainCarouselReady()"
+        [prioritizeFirstImage]="first && !hasMainCarouselImages()"
         [unavailableVariantIds]="unavailableVariantIds()"
         [savingProductIds]="savingProductIds()"
         (buy)="onBuyProduct($event)"

src/app/shared/components/hero-banner/hero-banner.component.html

@@ -1,5 +1,8 @@
 <div class="hero-banner-container">
-  <div class="hero-banner position-relative rounded">
+  <div
+    class="hero-banner position-relative rounded"
+    [class.hero-banner--with-media]="desktopImageUrl"
+  >
     @if (desktopImageUrl) {
       <picture class="hero-media" aria-hidden="true">
         @if (mobileImageUrl) {

src/app/shared/components/hero-banner/hero-banner.component.scss

@@ -7,23 +7,23 @@
   min-height: 400px;
   display: flex;
   flex-direction: column;
+
+  &--with-media {
+    min-height: 0;
+  }
 }
 
 .hero-media {
-  position: absolute;
+  position: relative;
-  inset: 0;
   display: block;
+  width: 100%;
   overflow: hidden;
-  background-position: center;
-  background-repeat: no-repeat;
-  background-size: cover;
   border-radius: inherit;
 
   img {
     display: block;
     width: 100%;
-    height: 100%;
+    height: auto;
-    object-fit: cover;
   }
 
   &::after {
@@ -52,6 +52,11 @@
   flex-grow: 1;
 }
 
+.hero-banner--with-media .hero-content {
+  position: absolute;
+  inset: 0;
+}
+
 ::ng-deep .hero-title,
 .hero-title {
   color: #666666;
@@ -179,24 +184,29 @@
     inset: auto;
     flex: 0 0 auto;
     width: 100%;
-    height: clamp(8.75rem, 44vw, 211px);
+    overflow: visible;
-    background-position: center center;
-    background-size: 140% auto;
     border-radius: 0;
   }
 
   .hero-media::after {
     top: auto;
-    height: 48%;
+    bottom: -2px;
+    height: calc(48% + 2px);
     background: linear-gradient(
       to bottom,
       rgba(245, 245, 245, 0) 0%,
       rgba(245, 245, 245, 0.78) 55%,
+      #f5f5f5 96%,
       #f5f5f5 100%
     );
     border-radius: 0;
   }
 
+  .hero-banner--with-media .hero-content {
+    position: relative;
+    inset: auto;
+  }
+
   .hero-content {
     justify-content: center !important;
     height: auto !important;

src/app/shared/components/hero-banner/hero-banner.component.spec.ts

@@ -22,6 +22,21 @@ describe('HeroBannerComponent', () => {
     expect(element.querySelector('img')?.getAttribute('src')).toBe(
       'https://example.com/desktop.jpg',
     );
+    expect(element.querySelector('.hero-banner')?.classList).toContain(
+      'hero-banner--with-media',
+    );
+  });
+
+  it('keeps the fallback banner sizing when there is no image', async () => {
+    await TestBed.configureTestingModule({ imports: [HeroBannerComponent] }).compileComponents();
+
+    const fixture = TestBed.createComponent(HeroBannerComponent);
+    fixture.componentRef.setInput('heroConfig', { title_html: 'Banner sin imagen' });
+    fixture.detectChanges();
+
+    const banner = (fixture.nativeElement as HTMLElement).querySelector('.hero-banner');
+
+    expect(banner?.classList).not.toContain('hero-banner--with-media');
   });
 
   it('expands and collapses the event schedules', async () => {

src/app/shared/components/image-modal/image-modal.component.html

@@ -0,0 +1,58 @@
+<div
+  class="image-modal"
+  [class.image-modal--gesturing]="gestureActive()"
+  [class.image-modal--settling]="swipeSettling()"
+  [style.transform]="swipeTransform()"
+>
+  <div
+    #viewport
+    class="image-modal__viewport"
+    [class.image-modal__viewport--zoomed]="zoom() > data.minZoom"
+    (wheel)="onWheel($event)"
+    (dblclick)="onDoubleClick($event)"
+    (pointerdown)="onPointerDown($event)"
+    (pointermove)="onPointerMove($event)"
+    (pointerup)="onPointerUp($event)"
+    (pointercancel)="onPointerUp($event)"
+  >
+    @if (!imageFailed()) {
+      <img
+        #image
+        class="image-modal__image"
+        [src]="data.src"
+        [alt]="data.alt"
+        [style.transform]="transform()"
+        decoding="async"
+        draggable="false"
+        (load)="onImageLoad()"
+        (error)="imageFailed.set(true)"
+      />
+    } @else {
+      <p class="image-modal__error" role="alert">No se pudo cargar la imagen.</p>
+    }
+  </div>
+
+  <div class="image-modal__controls" aria-label="Controles de zoom">
+    <button
+      type="button"
+      class="image-modal__control"
+      aria-label="Alejar"
+      [disabled]="zoom() <= data.minZoom"
+      (click)="zoomOut()"
+    >
+      &minus;
+    </button>
+    <button type="button" class="image-modal__zoom" aria-label="Restablecer zoom" (click)="reset()">
+      {{ zoomLabel() }}
+    </button>
+    <button
+      type="button"
+      class="image-modal__control"
+      aria-label="Acercar"
+      [disabled]="zoom() >= data.maxZoom"
+      (click)="zoomIn()"
+    >
+      &plus;
+    </button>
+  </div>
+</div>

src/app/shared/components/image-modal/image-modal.component.scss

@@ -0,0 +1,146 @@
+:host {
+  display: flex;
+  min-height: 0;
+  flex: 1;
+}
+
+.image-modal {
+  position: relative;
+  display: flex;
+  min-width: 0;
+  min-height: 0;
+  flex: 1;
+  flex-direction: column;
+  overflow: hidden;
+  background: black;
+  transform-origin: center top;
+}
+
+.image-modal--settling {
+  transition: transform 180ms ease-out;
+}
+
+.image-modal--gesturing {
+  will-change: transform;
+}
+
+.image-modal__viewport {
+  display: flex;
+  min-width: 0;
+  min-height: 0;
+  flex: 1;
+  align-items: center;
+  justify-content: center;
+  overflow: hidden;
+  cursor: zoom-in;
+  touch-action: none;
+  user-select: none;
+}
+
+.image-modal__viewport--zoomed {
+  cursor: grab;
+}
+
+.image-modal__viewport--zoomed:active {
+  cursor: grabbing;
+}
+
+.image-modal__image {
+  display: block;
+  max-width: 100%;
+  max-height: 100%;
+  object-fit: contain;
+  transform-origin: center;
+  transition: transform 120ms ease-out;
+  -webkit-user-drag: none;
+}
+
+.image-modal--gesturing .image-modal__image {
+  transition: none;
+  will-change: transform;
+}
+
+.image-modal__viewport:active .image-modal__image {
+  transition: none;
+}
+
+.image-modal__error {
+  margin: 1rem;
+  color: #ffffff;
+  text-align: center;
+}
+
+.image-modal__controls {
+  position: absolute;
+  right: 50%;
+  bottom: max(1.25rem, env(safe-area-inset-bottom));
+  z-index: 1;
+  display: flex;
+  align-items: center;
+  overflow: hidden;
+  border: 1px solid rgba(255, 255, 255, 0.25);
+  border-radius: 2rem;
+  background: rgba(20, 20, 20, 0.78);
+  box-shadow: 0 0.25rem 1rem rgba(0, 0, 0, 0.3);
+  transform: translateX(50%);
+  backdrop-filter: blur(0.5rem);
+}
+
+.image-modal__control,
+.image-modal__zoom {
+  display: inline-flex;
+  height: 2.75rem;
+  align-items: center;
+  justify-content: center;
+  border: 0;
+  color: #ffffff;
+  background: transparent;
+}
+
+.image-modal__control {
+  width: 2.75rem;
+  font-size: 1.5rem;
+}
+
+.image-modal__zoom {
+  min-width: 4rem;
+  padding: 0 0.5rem;
+  font-size: 0.875rem;
+  font-variant-numeric: tabular-nums;
+}
+
+.image-modal__control:hover:not(:disabled),
+.image-modal__zoom:hover {
+  background: rgba(255, 255, 255, 0.12);
+}
+
+.image-modal__control:focus-visible,
+.image-modal__zoom:focus-visible {
+  outline: 2px solid #ffffff;
+  outline-offset: -3px;
+}
+
+.image-modal__control:disabled {
+  opacity: 0.35;
+}
+
+@media (max-width: 576px) {
+  .image-modal__controls {
+    bottom: max(1rem, env(safe-area-inset-bottom));
+    background: rgba(20, 20, 20, 0.94);
+    backdrop-filter: none;
+  }
+}
+
+@media (pointer: coarse) {
+  .image-modal__controls {
+    background: rgba(20, 20, 20, 0.94);
+    backdrop-filter: none;
+  }
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .image-modal__image {
+    transition: none;
+  }
+}

src/app/shared/components/image-modal/image-modal.component.spec.ts

@@ -0,0 +1,165 @@
+import '@angular/compiler';
+import { ComponentFixture, TestBed, getTestBed } from '@angular/core/testing';
+import { BrowserTestingModule, platformBrowserTesting } from '@angular/platform-browser/testing';
+import { afterEach, beforeAll, beforeEach, describe, expect, it, vi } from 'vitest';
+
+import { ImageModalData, MODAL_DATA, ModalRef } from '../../../core/services/modal.service';
+import { ImageModalComponent } from './image-modal.component';
+
+describe('ImageModalComponent', () => {
+  let fixture: ComponentFixture<ImageModalComponent>;
+  const modalRef = { dismiss: vi.fn() };
+  const data: ImageModalData = {
+    src: '/images/producto.webp',
+    alt: 'Vista frontal del producto',
+    initialZoom: 1,
+    minZoom: 1,
+    maxZoom: 2,
+  };
+
+  beforeAll(() => {
+    try {
+      getTestBed().initTestEnvironment(BrowserTestingModule, platformBrowserTesting());
+    } catch {
+      // Test environment may already be initialized by another setup entrypoint.
+    }
+  });
+
+  beforeEach(async () => {
+    modalRef.dismiss.mockReset();
+    await TestBed.configureTestingModule({
+      imports: [ImageModalComponent],
+      providers: [
+        { provide: MODAL_DATA, useValue: data },
+        { provide: ModalRef, useValue: modalRef },
+      ],
+    }).compileComponents();
+
+    fixture = TestBed.createComponent(ImageModalComponent);
+    fixture.detectChanges();
+  });
+
+  afterEach(() => {
+    fixture.destroy();
+    TestBed.resetTestingModule();
+  });
+
+  it('renders the image and accessible zoom controls', () => {
+    const element = fixture.nativeElement as HTMLElement;
+    const image = element.querySelector('img') as HTMLImageElement;
+
+    expect(image.getAttribute('src')).toBe('/images/producto.webp');
+    expect(image.alt).toBe('Vista frontal del producto');
+    expect(element.querySelector('[aria-label="Acercar"]')).not.toBeNull();
+    expect(element.querySelector('[aria-label="Alejar"]')).not.toBeNull();
+  });
+
+  it('zooms with controls, respects limits, and resets', () => {
+    const element = fixture.nativeElement as HTMLElement;
+    const zoomIn = element.querySelector('[aria-label="Acercar"]') as HTMLButtonElement;
+    const zoomOut = element.querySelector('[aria-label="Alejar"]') as HTMLButtonElement;
+    const reset = element.querySelector('[aria-label="Restablecer zoom"]') as HTMLButtonElement;
+
+    zoomIn.click();
+    fixture.detectChanges();
+    expect(reset.textContent).toContain('150%');
+    expect(zoomOut.disabled).toBe(false);
+
+    zoomIn.click();
+    fixture.detectChanges();
+    expect(reset.textContent).toContain('200%');
+    expect(zoomIn.disabled).toBe(true);
+
+    reset.click();
+    fixture.detectChanges();
+    expect(reset.textContent).toContain('100%');
+    expect(zoomOut.disabled).toBe(true);
+  });
+
+  it('supports pinch zoom through touch pointer events', async () => {
+    const viewport = fixture.nativeElement.querySelector('.image-modal__viewport') as HTMLElement;
+    const zoom = fixture.nativeElement.querySelector(
+      '[aria-label="Restablecer zoom"]',
+    ) as HTMLButtonElement;
+
+    viewport.dispatchEvent(pointerEvent('pointerdown', 1, 100, 100));
+    viewport.dispatchEvent(pointerEvent('pointerdown', 2, 200, 100));
+    viewport.dispatchEvent(pointerEvent('pointermove', 2, 250, 100));
+    await renderNextFrame();
+    fixture.detectChanges();
+
+    expect(zoom.textContent).toContain('150%');
+  });
+
+  it('dismisses with a downward swipe while the image is at its base zoom', async () => {
+    const viewport = fixture.nativeElement.querySelector('.image-modal__viewport') as HTMLElement;
+    const modal = fixture.nativeElement.querySelector('.image-modal') as HTMLElement;
+
+    viewport.dispatchEvent(pointerEvent('pointerdown', 1, 150, 100));
+    viewport.dispatchEvent(pointerEvent('pointermove', 1, 155, 230));
+    await renderNextFrame();
+    fixture.detectChanges();
+
+    expect(modal.style.transform).toBe('translate3d(0, 130px, 0)');
+    expect(Number(modal.style.opacity)).toBeLessThan(1);
+
+    viewport.dispatchEvent(pointerEvent('pointerup', 1, 155, 230));
+
+    expect(modalRef.dismiss).toHaveBeenCalledWith('swipe');
+  });
+
+  it('returns smoothly to its position when the swipe is too short', async () => {
+    const viewport = fixture.nativeElement.querySelector('.image-modal__viewport') as HTMLElement;
+    const modal = fixture.nativeElement.querySelector('.image-modal') as HTMLElement;
+
+    viewport.dispatchEvent(pointerEvent('pointerdown', 1, 150, 100));
+    viewport.dispatchEvent(pointerEvent('pointermove', 1, 150, 160));
+    await renderNextFrame();
+    fixture.detectChanges();
+    expect(modal.style.transform).toBe('translate3d(0, 60px, 0)');
+
+    viewport.dispatchEvent(pointerEvent('pointerup', 1, 150, 160));
+    fixture.detectChanges();
+
+    expect(modalRef.dismiss).not.toHaveBeenCalled();
+    expect(modal.classList.contains('image-modal--settling')).toBe(true);
+    expect(modal.style.transform).toBe('translate3d(0, 0px, 0)');
+  });
+
+  it('does not dismiss with a downward gesture while the image is zoomed', () => {
+    const element = fixture.nativeElement as HTMLElement;
+    const viewport = element.querySelector('.image-modal__viewport') as HTMLElement;
+    const zoomIn = element.querySelector('[aria-label="Acercar"]') as HTMLButtonElement;
+    zoomIn.click();
+    fixture.detectChanges();
+
+    viewport.dispatchEvent(pointerEvent('pointerdown', 1, 150, 100));
+    viewport.dispatchEvent(pointerEvent('pointermove', 1, 155, 230));
+    viewport.dispatchEvent(pointerEvent('pointerup', 1, 155, 230));
+
+    expect(modalRef.dismiss).not.toHaveBeenCalled();
+  });
+
+  it('shows a fallback when the image cannot be loaded', () => {
+    const image = fixture.nativeElement.querySelector('img') as HTMLImageElement;
+    image.dispatchEvent(new Event('error'));
+    fixture.detectChanges();
+
+    expect(fixture.nativeElement.querySelector('[role="alert"]')?.textContent).toContain(
+      'No se pudo cargar la imagen',
+    );
+  });
+});
+
+function pointerEvent(type: string, pointerId: number, clientX: number, clientY: number): Event {
+  const event = new MouseEvent(type, { bubbles: true, clientX, clientY });
+  Object.defineProperties(event, {
+    pointerId: { value: pointerId },
+    pointerType: { value: 'touch' },
+  });
+  return event;
+}
+
+async function renderNextFrame(): Promise<void> {
+  await new Promise<void>((resolve) => requestAnimationFrame(() => resolve()));
+}

src/app/shared/components/image-modal/image-modal.component.ts

@@ -0,0 +1,395 @@
+import {
+  ChangeDetectionStrategy,
+  Component,
+  DestroyRef,
+  ElementRef,
+  computed,
+  inject,
+  signal,
+  viewChild,
+} from '@angular/core';
+
+import { ImageModalData, MODAL_DATA, ModalRef } from '../../../core/services/modal.service';
+
+const SWIPE_DISMISS_DISTANCE = 100;
+const SWIPE_DIRECTION_RATIO = 1.25;
+
+interface Point {
+  x: number;
+  y: number;
+}
+
+interface ViewerGeometry {
+  imageHeight: number;
+  imageWidth: number;
+  viewportHeight: number;
+  viewportLeft: number;
+  viewportTop: number;
+  viewportWidth: number;
+}
+
+@Component({
+  selector: 'app-image-modal',
+  templateUrl: './image-modal.component.html',
+  styleUrl: './image-modal.component.scss',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class ImageModalComponent {
+  protected readonly data = inject<ImageModalData>(MODAL_DATA);
+  private readonly modalRef = inject<ModalRef<void>>(ModalRef);
+  private readonly destroyRef = inject(DestroyRef);
+  private readonly viewport = viewChild.required<ElementRef<HTMLElement>>('viewport');
+  private readonly image = viewChild<ElementRef<HTMLImageElement>>('image');
+  private readonly pointers = new Map<number, Point>();
+
+  protected readonly zoom = signal(this.data.initialZoom);
+  protected readonly offsetX = signal(0);
+  protected readonly offsetY = signal(0);
+  protected readonly imageFailed = signal(false);
+  protected readonly swipeOffsetY = signal(0);
+  protected readonly swipeSettling = signal(false);
+  protected readonly gestureActive = signal(false);
+  protected readonly transform = computed(
+    () => `translate3d(${this.offsetX()}px, ${this.offsetY()}px, 0) scale(${this.zoom()})`,
+  );
+  protected readonly zoomLabel = computed(() => `${Math.round(this.zoom() * 100)}%`);
+  protected readonly swipeTransform = computed(() => `translate3d(0, ${this.swipeOffsetY()}px, 0)`);
+
+  private dragStart: Point | null = null;
+  private dragOffset: Point = { x: 0, y: 0 };
+  private pinchDistance = 0;
+  private pinchZoom = 1;
+  private pinchLocal: Point = { x: 0, y: 0 };
+  private pointerDownAt: Point | null = null;
+  private gestureMoved = false;
+  private hadMultiplePointers = false;
+  private lastTapAt = 0;
+  private swipeStart: Point | null = null;
+  private geometry: ViewerGeometry | null = null;
+  private animationFrameId: number | null = null;
+
+  constructor() {
+    this.destroyRef.onDestroy(() => this.cancelGestureFrame());
+  }
+
+  protected zoomIn(): void {
+    this.setZoomAt(Math.min(this.data.maxZoom, this.zoom() + 0.5));
+  }
+
+  protected zoomOut(): void {
+    this.setZoomAt(Math.max(this.data.minZoom, this.zoom() - 0.5));
+  }
+
+  protected reset(): void {
+    this.zoom.set(this.data.initialZoom);
+    this.offsetX.set(0);
+    this.offsetY.set(0);
+  }
+
+  protected onWheel(event: WheelEvent): void {
+    event.preventDefault();
+    const factor = event.deltaY < 0 ? 1.15 : 1 / 1.15;
+    this.setZoomAt(this.zoom() * factor, event.clientX, event.clientY);
+  }
+
+  protected onDoubleClick(event: MouseEvent): void {
+    this.toggleZoom(event.clientX, event.clientY);
+  }
+
+  protected onPointerDown(event: PointerEvent): void {
+    if (event.pointerType === 'mouse' && event.button !== 0) {
+      return;
+    }
+
+    event.preventDefault();
+    if (this.pointers.size === 0) {
+      this.refreshGeometry();
+      this.gestureActive.set(true);
+    }
+    this.viewport().nativeElement.setPointerCapture?.(event.pointerId);
+    const point = { x: event.clientX, y: event.clientY };
+    this.pointers.set(event.pointerId, point);
+    this.pointerDownAt = point;
+    this.gestureMoved = false;
+
+    if (this.pointers.size === 1) {
+      this.swipeSettling.set(false);
+      this.dragStart = point;
+      this.dragOffset = { x: this.offsetX(), y: this.offsetY() };
+      this.swipeStart =
+        event.pointerType === 'touch' && this.zoom() <= this.data.minZoom + 0.01 ? point : null;
+    } else if (this.pointers.size === 2) {
+      this.hadMultiplePointers = true;
+      this.swipeStart = null;
+      this.swipeOffsetY.set(0);
+      this.beginPinch();
+    }
+  }
+
+  protected onPointerMove(event: PointerEvent): void {
+    if (!this.pointers.has(event.pointerId)) {
+      return;
+    }
+
+    const point = { x: event.clientX, y: event.clientY };
+    this.pointers.set(event.pointerId, point);
+
+    if (this.pointerDownAt && this.distance(this.pointerDownAt, point) > 4) {
+      this.gestureMoved = true;
+    }
+
+    this.scheduleGestureFrame();
+  }
+
+  protected onPointerUp(event: PointerEvent): void {
+    const wasTouch = event.pointerType === 'touch';
+    const trackedPoint = this.pointers.get(event.pointerId);
+    const endPoint = trackedPoint ? { x: event.clientX, y: event.clientY } : null;
+    if (endPoint) {
+      this.pointers.set(event.pointerId, endPoint);
+      if (this.animationFrameId !== null) {
+        this.flushGestureFrame();
+      } else {
+        this.applyPointerMovement();
+      }
+    }
+    const shouldDismiss =
+      event.type === 'pointerup' &&
+      wasTouch &&
+      endPoint !== null &&
+      this.isSwipeDown(this.swipeStart, endPoint);
+    this.pointers.delete(event.pointerId);
+    const viewport = this.viewport().nativeElement;
+    if (viewport.hasPointerCapture?.(event.pointerId)) {
+      viewport.releasePointerCapture(event.pointerId);
+    }
+
+    if (shouldDismiss) {
+      this.resetGesture();
+      this.modalRef.dismiss('swipe');
+      return;
+    }
+
+    if (wasTouch && endPoint && !this.gestureMoved && !this.hadMultiplePointers) {
+      const now = Date.now();
+      if (now - this.lastTapAt < 300) {
+        this.toggleZoom(endPoint.x, endPoint.y);
+        this.lastTapAt = 0;
+      } else {
+        this.lastTapAt = now;
+      }
+    }
+
+    if (this.pointers.size === 1) {
+      const remaining = [...this.pointers.values()][0];
+      this.dragStart = remaining;
+      this.dragOffset = { x: this.offsetX(), y: this.offsetY() };
+    } else if (this.pointers.size === 0) {
+      this.dragStart = null;
+      this.pointerDownAt = null;
+      this.hadMultiplePointers = false;
+      this.swipeStart = null;
+      this.gestureActive.set(false);
+      if (this.swipeOffsetY() > 0) {
+        this.swipeSettling.set(true);
+        this.swipeOffsetY.set(0);
+      }
+      this.clampOffset();
+    }
+  }
+
+  protected onImageLoad(): void {
+    this.imageFailed.set(false);
+    this.refreshGeometry();
+    this.clampOffset();
+  }
+
+  private beginPinch(): void {
+    const [first, second] = [...this.pointers.values()];
+    const midpoint = this.midpoint(first, second);
+    const geometry = this.geometry ?? this.refreshGeometry();
+    if (!geometry) {
+      return;
+    }
+
+    this.pinchDistance = Math.max(1, this.distance(first, second));
+    this.pinchZoom = this.zoom();
+    this.pinchLocal = {
+      x:
+        (midpoint.x - (geometry.viewportLeft + geometry.viewportWidth / 2) - this.offsetX()) /
+        this.zoom(),
+      y:
+        (midpoint.y - (geometry.viewportTop + geometry.viewportHeight / 2) - this.offsetY()) /
+        this.zoom(),
+    };
+  }
+
+  private toggleZoom(clientX?: number, clientY?: number): void {
+    const target =
+      this.zoom() > this.data.minZoom + 0.01
+        ? this.data.minZoom
+        : Math.min(this.data.maxZoom, Math.max(2, this.data.minZoom));
+    this.setZoomAt(target, clientX, clientY);
+  }
+
+  private setZoomAt(value: number, clientX?: number, clientY?: number): void {
+    const nextZoom = this.clampZoom(value);
+    const currentZoom = this.zoom();
+    const geometry = this.refreshGeometry();
+
+    if (clientX !== undefined && clientY !== undefined && currentZoom > 0 && geometry) {
+      const pointX = clientX - (geometry.viewportLeft + geometry.viewportWidth / 2);
+      const pointY = clientY - (geometry.viewportTop + geometry.viewportHeight / 2);
+      const localX = (pointX - this.offsetX()) / currentZoom;
+      const localY = (pointY - this.offsetY()) / currentZoom;
+      this.offsetX.set(pointX - localX * nextZoom);
+      this.offsetY.set(pointY - localY * nextZoom);
+    }
+
+    this.zoom.set(nextZoom);
+    if (nextZoom <= this.data.minZoom) {
+      this.offsetX.set(0);
+      this.offsetY.set(0);
+    }
+    this.clampOffset();
+  }
+
+  private clampZoom(value: number): number {
+    return Math.min(this.data.maxZoom, Math.max(this.data.minZoom, value));
+  }
+
+  private clampOffset(): void {
+    const geometry = this.geometry;
+    if (!geometry) {
+      return;
+    }
+
+    const maxX = Math.max(0, (geometry.imageWidth * this.zoom() - geometry.viewportWidth) / 2);
+    const maxY = Math.max(0, (geometry.imageHeight * this.zoom() - geometry.viewportHeight) / 2);
+
+    this.offsetX.set(Math.min(maxX, Math.max(-maxX, this.offsetX())));
+    this.offsetY.set(Math.min(maxY, Math.max(-maxY, this.offsetY())));
+  }
+
+  private midpoint(first: Point, second: Point): Point {
+    return { x: (first.x + second.x) / 2, y: (first.y + second.y) / 2 };
+  }
+
+  private distance(first: Point, second: Point): number {
+    return Math.hypot(second.x - first.x, second.y - first.y);
+  }
+
+  private isSwipeDown(start: Point | null, end: Point): boolean {
+    if (!start || this.hadMultiplePointers || this.zoom() > this.data.minZoom + 0.01) {
+      return false;
+    }
+
+    const deltaX = Math.abs(end.x - start.x);
+    const deltaY = end.y - start.y;
+    return deltaY >= SWIPE_DISMISS_DISTANCE && deltaY >= deltaX * SWIPE_DIRECTION_RATIO;
+  }
+
+  private resetGesture(): void {
+    this.cancelGestureFrame();
+    this.pointers.clear();
+    this.dragStart = null;
+    this.pointerDownAt = null;
+    this.swipeStart = null;
+    this.hadMultiplePointers = false;
+    this.gestureActive.set(false);
+  }
+
+  private scheduleGestureFrame(): void {
+    if (this.animationFrameId !== null) {
+      return;
+    }
+
+    this.animationFrameId = requestAnimationFrame(() => {
+      this.animationFrameId = null;
+      this.applyPointerMovement();
+    });
+  }
+
+  private flushGestureFrame(): void {
+    if (this.animationFrameId === null) {
+      return;
+    }
+
+    cancelAnimationFrame(this.animationFrameId);
+    this.animationFrameId = null;
+    this.applyPointerMovement();
+  }
+
+  private cancelGestureFrame(): void {
+    if (this.animationFrameId !== null) {
+      cancelAnimationFrame(this.animationFrameId);
+      this.animationFrameId = null;
+    }
+  }
+
+  private applyPointerMovement(): void {
+    if (this.pointers.size === 2) {
+      const [first, second] = [...this.pointers.values()];
+      const geometry = this.geometry;
+      if (!geometry) {
+        return;
+      }
+
+      const distance = this.distance(first, second);
+      const midpoint = this.midpoint(first, second);
+      const nextZoom = this.clampZoom(this.pinchZoom * (distance / this.pinchDistance));
+
+      this.zoom.set(nextZoom);
+      this.offsetX.set(
+        midpoint.x -
+          (geometry.viewportLeft + geometry.viewportWidth / 2) -
+          this.pinchLocal.x * nextZoom,
+      );
+      this.offsetY.set(
+        midpoint.y -
+          (geometry.viewportTop + geometry.viewportHeight / 2) -
+          this.pinchLocal.y * nextZoom,
+      );
+      this.clampOffset();
+      return;
+    }
+
+    if (this.pointers.size !== 1) {
+      return;
+    }
+
+    const point = [...this.pointers.values()][0];
+    if (this.swipeStart) {
+      const deltaX = Math.abs(point.x - this.swipeStart.x);
+      const deltaY = point.y - this.swipeStart.y;
+      this.swipeOffsetY.set(deltaY > 0 && deltaY >= deltaX ? deltaY : 0);
+      return;
+    }
+
+    if (this.dragStart && this.zoom() > this.data.minZoom) {
+      this.offsetX.set(this.dragOffset.x + point.x - this.dragStart.x);
+      this.offsetY.set(this.dragOffset.y + point.y - this.dragStart.y);
+      this.clampOffset();
+    }
+  }
+
+  private refreshGeometry(): ViewerGeometry | null {
+    const viewport = this.viewport().nativeElement;
+    const image = this.image()?.nativeElement;
+    if (!image) {
+      this.geometry = null;
+      return null;
+    }
+
+    const rect = viewport.getBoundingClientRect();
+    this.geometry = {
+      imageHeight: image.offsetHeight,
+      imageWidth: image.offsetWidth,
+      viewportHeight: viewport.clientHeight,
+      viewportLeft: rect.left,
+      viewportTop: rect.top,
+      viewportWidth: viewport.clientWidth,
+    };
+    return this.geometry;
+  }
+}

src/app/shared/components/modal-host/modal-host.component.html

@@ -2,6 +2,7 @@
   <app-modal-shell
     [title]="modal.config.title"
     [size]="modal.config.size"
+    [presentation]="modal.config.presentation ?? 'dialog'"
     [showCloseButton]="modal.config.showCloseButton"
     (backdropClick)="onBackdropClick()"
     (closeRequested)="onCloseRequested()"

src/app/shared/components/modal-host/modal-host.component.spec.ts

@@ -51,6 +51,10 @@ describe('ModalHostComponent', () => {
   afterEach(() => {
     doc.body.style.overflow = '';
     doc.body.style.paddingRight = '';
+    doc.body.style.position = '';
+    doc.body.style.top = '';
+    doc.body.style.left = '';
+    doc.body.style.width = '';
     TestBed.resetTestingModule();
   });
 
@@ -99,6 +103,10 @@ describe('ModalHostComponent', () => {
     expect(service.activeModal()).toBeNull();
     expect(doc.body.style.overflow).toBe('');
     expect(doc.body.style.paddingRight).toBe('');
+    expect(doc.body.style.position).toBe('');
+    expect(doc.body.style.top).toBe('');
+    expect(doc.body.style.left).toBe('');
+    expect(doc.body.style.width).toBe('');
   });
 
   it('closes on backdrop click when enabled', () => {

src/app/shared/components/modal-host/modal-host.component.ts

@@ -55,11 +55,23 @@ export class ModalHostComponent {
       const body = this.document.body;
       const previousOverflow = body.style.overflow;
       const previousPaddingRight = body.style.paddingRight;
+      const previousPosition = body.style.position;
+      const previousTop = body.style.top;
+      const previousLeft = body.style.left;
+      const previousWidth = body.style.width;
       const view = this.document.defaultView;
+      const scrollX = view?.scrollX ?? 0;
+      const scrollY = view?.scrollY ?? 0;
       const scrollbarWidth = view
         ? Math.max(0, view.innerWidth - this.document.documentElement.clientWidth)
         : 0;
 
+      const activeElement = this.document.activeElement;
+
+      if (activeElement instanceof HTMLElement && activeElement !== body) {
+        activeElement.blur();
+      }
+
       if (scrollbarWidth > 0 && view) {
         const currentPaddingRight =
           Number.parseFloat(view.getComputedStyle(body).paddingRight) || 0;
@@ -68,6 +80,47 @@ export class ModalHostComponent {
 
       body.style.overflow = 'hidden';
 
+      const isIos = view
+        ? /iPad|iPhone|iPod/.test(view.navigator.userAgent) ||
+          (view.navigator.platform === 'MacIntel' && view.navigator.maxTouchPoints > 1)
+        : false;
+
+      if (isIos) {
+        body.style.position = 'fixed';
+        body.style.top = `${-scrollY}px`;
+        body.style.left = `${-scrollX}px`;
+        body.style.width = '100%';
+      }
+
+      let viewportFrame: number | undefined;
+      const viewportSyncTimers: number[] = [];
+      const syncVisualViewport = () => {
+        if (!view) {
+          return;
+        }
+
+        if (viewportFrame !== undefined) {
+          view.cancelAnimationFrame(viewportFrame);
+        }
+
+        viewportFrame = view.requestAnimationFrame(() => {
+          viewportFrame = undefined;
+          this.modalShell()?.setVisualViewport(view.visualViewport, view.scrollX, view.scrollY);
+        });
+      };
+
+      view?.visualViewport?.addEventListener('resize', syncVisualViewport);
+      view?.visualViewport?.addEventListener('scroll', syncVisualViewport);
+      view?.addEventListener('orientationchange', syncVisualViewport);
+      syncVisualViewport();
+
+      if (view) {
+        viewportSyncTimers.push(
+          view.setTimeout(syncVisualViewport, 100),
+          view.setTimeout(syncVisualViewport, 300),
+        );
+      }
+
       const onKeyDown = (event: KeyboardEvent) => {
         if (event.key !== 'Escape' || !this.activeModal()?.config.closeOnEscape) {
           return;
@@ -82,8 +135,26 @@ export class ModalHostComponent {
 
       onCleanup(() => {
         this.document.removeEventListener('keydown', onKeyDown);
+        view?.visualViewport?.removeEventListener('resize', syncVisualViewport);
+        view?.visualViewport?.removeEventListener('scroll', syncVisualViewport);
+        view?.removeEventListener('orientationchange', syncVisualViewport);
+
+        if (viewportFrame !== undefined) {
+          view?.cancelAnimationFrame(viewportFrame);
+        }
+
+        viewportSyncTimers.forEach((timer) => view?.clearTimeout(timer));
+
         body.style.overflow = previousOverflow;
         body.style.paddingRight = previousPaddingRight;
+        body.style.position = previousPosition;
+        body.style.top = previousTop;
+        body.style.left = previousLeft;
+        body.style.width = previousWidth;
+
+        if (isIos) {
+          view?.scrollTo(scrollX, scrollY);
+        }
       });
     });
   }

src/app/shared/components/modal-shell/modal-shell.component.html

@@ -1,4 +1,9 @@
-<div class="modal-shell" (click)="backdropClick.emit()">
+<div
+  #shell
+  class="modal-shell"
+  [class.modal-shell--fullscreen-media]="presentation() === 'fullscreen-media'"
+  (click)="backdropClick.emit()"
+>
   <div
     class="modal-dialog modal-dialog-centered modal-dialog-scrollable modal-shell__dialog"
     [ngClass]="dialogClass()"

src/app/shared/components/modal-shell/modal-shell.component.scss

@@ -4,7 +4,10 @@
 
 .modal-shell {
   position: fixed;
-  inset: 0;
+  top: var(--modal-viewport-top, 0);
+  left: var(--modal-viewport-left, 0);
+  width: var(--modal-viewport-width, 100vw);
+  height: var(--modal-viewport-height, 100dvh);
   z-index: 2000;
   display: flex;
   align-items: center;
@@ -109,6 +112,64 @@
   color: #303030;
 }
 
+.modal-shell--fullscreen-media {
+  padding: 1.5rem;
+  background: rgba(0, 0, 0, 0.92);
+}
+
+.modal-shell--fullscreen-media .modal-shell__dialog {
+  width: 100%;
+  max-width: 100%;
+  height: calc(100dvh - 3rem);
+}
+
+.modal-shell--fullscreen-media .modal-shell__content {
+  min-height: 0;
+  height: 100%;
+  max-height: none;
+  overflow: hidden;
+  border-radius: 0.4rem;
+  background: #111111;
+}
+
+.modal-shell--fullscreen-media .modal-shell__header {
+  position: absolute;
+  inset: 0 0 auto;
+  z-index: 2;
+  justify-content: flex-start;
+  height: 0;
+  padding: 0;
+}
+
+.modal-shell--fullscreen-media .modal-shell__title {
+  position: absolute;
+  top: max(1.25rem, env(safe-area-inset-top));
+  left: max(1.25rem, env(safe-area-inset-left));
+  width: auto;
+  max-width: calc(100% - 8rem);
+  overflow: hidden;
+  color: #ffffff;
+  font-size: 1rem;
+  line-height: 1.4;
+  text-align: left;
+  text-overflow: ellipsis;
+  text-shadow: 0 1px 3px #000000;
+  white-space: nowrap;
+}
+
+.modal-shell--fullscreen-media .modal-shell__header .btn-close {
+  top: max(1rem, env(safe-area-inset-top));
+  right: max(1rem, env(safe-area-inset-right));
+  filter: invert(1) grayscale(1) brightness(2) drop-shadow(0 1px 2px #000000);
+}
+
+.modal-shell--fullscreen-media .modal-shell__body {
+  min-height: 0;
+  padding: 0;
+  overflow: hidden;
+  color: #ffffff;
+}
+
 @media (max-width: 576px) {
   .modal-shell {
     padding: 0.75rem;
@@ -128,4 +189,18 @@
     max-height: min(100dvh - 1.5rem, 48rem);
     border-radius: 1.25rem 1.25rem 0.75rem 0.75rem;
   }
+
+  .modal-shell--fullscreen-media {
+    align-items: center;
+    padding: 0;
+  }
+
+  .modal-shell--fullscreen-media .modal-shell__dialog {
+    height: 100dvh;
+  }
+
+  .modal-shell--fullscreen-media .modal-shell__content {
+    max-height: none;
+    border-radius: 0;
+  }
 }

src/app/shared/components/modal-shell/modal-shell.component.ts

@@ -9,7 +9,7 @@ import {
   viewChild,
 } from '@angular/core';
 
-import { ModalSize } from '../../../core/services/modal.service';
+import { ModalPresentation, ModalSize } from '../../../core/services/modal.service';
 
 @Component({
   selector: 'app-modal-shell',
@@ -19,10 +19,12 @@ import { ModalSize } from '../../../core/services/modal.service';
   changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class ModalShellComponent {
+  private readonly shell = viewChild.required<ElementRef<HTMLElement>>('shell');
   private readonly panel = viewChild.required<ElementRef<HTMLElement>>('panel');
 
   readonly title = input<string | undefined>();
   readonly size = input<ModalSize>('md');
+  readonly presentation = input<ModalPresentation>('dialog');
   readonly showCloseButton = input(true);
 
   readonly backdropClick = output<void>();
@@ -46,6 +48,28 @@ export class ModalShellComponent {
     return this.title() ? this.titleId : null;
   }
 
+  setVisualViewport(viewport: VisualViewport | null, layoutScrollX = 0, layoutScrollY = 0): void {
+    const shell = this.shell().nativeElement;
+
+    if (!viewport) {
+      shell.style.removeProperty('--modal-viewport-top');
+      shell.style.removeProperty('--modal-viewport-left');
+      shell.style.removeProperty('--modal-viewport-width');
+      shell.style.removeProperty('--modal-viewport-height');
+      return;
+    }
+
+    // pageTop/pageLeft are a useful fallback for WebKit versions that update
+    // offsetTop/offsetLeft one frame late after dismissing a native control.
+    const top = Math.max(viewport.offsetTop, viewport.pageTop - layoutScrollY);
+    const left = Math.max(viewport.offsetLeft, viewport.pageLeft - layoutScrollX);
+
+    shell.style.setProperty('--modal-viewport-top', `${top}px`);
+    shell.style.setProperty('--modal-viewport-left', `${left}px`);
+    shell.style.setProperty('--modal-viewport-width', `${viewport.width}px`);
+    shell.style.setProperty('--modal-viewport-height', `${viewport.height}px`);
+  }
+
   focusInitialElement(): void {
     const panel = this.panel().nativeElement;
     const focusTarget = panel.querySelector<HTMLElement>(

src/app/shared/components/product-list/product-list.component.html

@@ -51,7 +51,9 @@
           [title]="item.nombre"
           [originalPrice]="price(item)"
           [unavailableMessage]="item.unavailable_message ?? null"
-          [imagePriority]="loadImages() && index < 4"
+          [imagePriority]="
+            loadImages() && prioritizeFirstImage() && groupLayout() !== 'carousel' && index === 0
+          "
           (buy)="emitProductDetailBuy(item)"
         />
       }

src/app/shared/components/product-list/product-list.component.spec.ts

@@ -143,6 +143,14 @@ describe('ProductListComponent', () => {
 
     expect(element.querySelector('.product-list--column')).not.toBeNull();
     expect(element.querySelectorAll('app-product-column-with-image')).toHaveLength(2);
+    expect(element.querySelectorAll('img[fetchpriority="high"]')).toHaveLength(1);
+  });
+
+  it('does not prioritize images rendered in a circular carousel', async () => {
+    const fixture = await render('column_with_image', items, 'carousel');
+    const element = fixture.nativeElement as HTMLElement;
+
+    expect(element.querySelectorAll('img[fetchpriority="high"]')).toHaveLength(0);
   });
 
   it('renders cart products next to each other in the column grid', async () => {

src/app/shared/components/product-list/product-list.component.ts

@@ -68,6 +68,7 @@ export class ProductListComponent {
   readonly items = input.required<CatalogFeaturedItems>();
   readonly loading = input(false);
   readonly loadImages = input(true);
+  readonly prioritizeFirstImage = input(true);
   readonly unavailableVariantIds = input<ReadonlySet<number>>(new Set<number>());
   readonly savingProductIds = input<ReadonlySet<number>>(new Set<number>());
 

src/app/shared/components/product-ticket-selector/product-ticket-selector.component.html

@@ -107,6 +107,17 @@
   </div>
 
   @if (imageUrl(); as image) {
-    <img class="ticket-selector__map" [src]="image" [alt]="'Plano de ubicaciones de ' + title()" />
+    <button
+      type="button"
+      class="ticket-selector__map-button"
+      aria-label="Ampliar plano de ubicaciones"
+      (click)="openImage(image)"
+    >
+      <img
+        class="ticket-selector__map"
+        [src]="image"
+        [alt]="'Plano de ubicaciones de ' + title()"
+      />
+    </button>
   }
 </article>

src/app/shared/components/product-ticket-selector/product-ticket-selector.component.scss

@@ -153,11 +153,27 @@
     margin-top: 0.75rem;
   }
 
-  &__map {
+  &__map-button {
     display: block;
     width: min(100%, 720px);
-    max-height: 680px;
     margin: 3rem auto 0;
+    padding: 0;
+    overflow: hidden;
+    border: 0;
+    border-radius: 0.4rem;
+    background: transparent;
+    cursor: zoom-in;
+
+    &:focus-visible {
+      outline: 3px solid var(--tenant-primary);
+      outline-offset: 0.25rem;
+    }
+  }
+
+  &__map {
+    display: block;
+    width: 100%;
+    max-height: 680px;
     object-fit: contain;
   }
 }
@@ -188,7 +204,7 @@
       display: none;
     }
 
-    &__map {
+    &__map-button {
       margin-top: 2rem;
     }
   }

src/app/shared/components/product-ticket-selector/product-ticket-selector.component.spec.ts

@@ -104,6 +104,10 @@ describe('ProductTicketSelectorComponent', () => {
     };
     catalogService.withoutLoading.mockReturnValue(catalogService);
     cartService.withoutLoading.mockReturnValue(cartService);
+    const modalService = {
+      openConfirmDelete: vi.fn().mockReturnValue(of(true)),
+      openImage: vi.fn(),
+    };
 
     await TestBed.configureTestingModule({
       imports: [ProductTicketSelectorComponent],
@@ -112,7 +116,7 @@ describe('ProductTicketSelectorComponent', () => {
         { provide: CartService, useValue: cartService },
         {
           provide: ModalService,
-          useValue: { openConfirmDelete: vi.fn().mockReturnValue(of(true)) },
+          useValue: modalService,
         },
         { provide: ToastService, useValue: { danger: toastDanger } },
       ],
@@ -125,7 +129,7 @@ describe('ProductTicketSelectorComponent', () => {
     await fixture.whenStable();
     fixture.detectChanges();
 
-    return { fixture, getVariantOptions, cartService, toastDanger };
+    return { fixture, getVariantOptions, cartService, toastDanger, modalService };
   }
 
   it('loads one map, recalculates the cascade locally and reserves only after the last select', async () => {
@@ -226,6 +230,25 @@ describe('ProductTicketSelectorComponent', () => {
     ]);
   });
 
+  it('opens the zoomable image modal when the seating map is clicked', async () => {
+    const { fixture, modalService } = await createComponent({
+      maps: [mapResponse([variant(401, 'general', 'A', '1', '1')])],
+    });
+    fixture.componentRef.setInput('imageUrl', '/images/plano.png');
+    fixture.detectChanges();
+
+    const button = fixture.nativeElement.querySelector(
+      'button[aria-label="Ampliar plano de ubicaciones"]',
+    ) as HTMLButtonElement;
+    button.click();
+
+    expect(modalService.openImage).toHaveBeenCalledWith({
+      title: 'Entrada',
+      src: '/images/plano.png',
+      alt: 'Plano de ubicaciones de Entrada',
+    });
+  });
+
   it('clears only the seat after a stock conflict when the row still has alternatives', async () => {
     const failed = variant(401, 'general', 'A', '1', '1');
     const alternative = variant(402, 'general', 'A', '1', '2');

src/app/shared/components/product-ticket-selector/product-ticket-selector.component.ts

@@ -154,6 +154,14 @@ export class ProductTicketSelectorComponent {
     if (this.hasSelection() && variantIds.length > 0) this.buy.emit(variantIds);
   }
 
+  protected openImage(src: string): void {
+    this.modalService.openImage({
+      title: this.title(),
+      src,
+      alt: `Plano de ubicaciones de ${this.title()}`,
+    });
+  }
+
   protected addRow(): void {
     if (!this.canAddRow()) return;
     const row = this.createRow(this.nextRowId++);

src/index.html

@@ -1,13 +1,16 @@
 <!doctype html>
 <html lang="es">
-<head>
+  <head>
-  <meta charset="utf-8">
+    <meta charset="utf-8" />
-  <title>ShopitFront</title>
+    <title>ShopitFront</title>
-  <base href="/">
+    <base href="/" />
-  <meta name="viewport" content="width=device-width, initial-scale=1">
+    <meta
-  <link rel="icon" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'/%3E">
+      name="viewport"
-</head>
+      content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no, viewport-fit=cover"
-<body>
+    />
-  <app-root></app-root>
+    <link rel="icon" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'/%3E" />
-</body>
+  </head>
+  <body>
+    <app-root></app-root>
+  </body>
 </html>