src/app/auth/auth-ui.service.ts

import { Injectable, signal } from '@angular/core';

@Injectable({ providedIn: 'root' })
export class AuthUiService {
  private _signinOpen = signal(false);
  private _signupOpen = signal(false);

  signinOpen = this._signinOpen.asReadonly();
  signupOpen = this._signupOpen.asReadonly();

  openSignin() { this._signinOpen.set(true); }
  closeSignin() { this._signinOpen.set(false); }

  openSignup() { this._signupOpen.set(true); }
  closeSignup() { this._signupOpen.set(false); }
}