login.html

<div class="modal" v-if="active_modal == 'login'" v-cloak>
  <div class="modal-wrapper">
    <div class="modal-dialog">

      <button type="button" class="btn btn-icon btn-light btn-round close" v-on:click="close_modal()">
        <span class="icon icon-cross-1"></span> 
      </button>

      <div class="modal-content">
        <div class="modal-body">
          <div class="modal-section no-b">

            <div id="account-forms-modal">
              <div v-show="active_modal_view != 'signup'">
                <div class="content">
                  <form>
                    <h4>Login</h4>

                    <div class="tight">
                      <div class="form-group">
                        <input class="input" type="text" focus-me="true" v-model="login_email" placeholder="Email">
                      </div>
                      <div class="form-group">
                        <input class="input" type="password" v-model="login_password" placeholder="Password">
                      </div>
                    </div>

                    <span type="submit" class="btn btn-primary btn-xl btn-block btn-round" v-on:click="login_submit_modal(login_email, login_password, $event)">
                      <span v-show="!loading_user">Log In</span>
                      <span v-show="loading_user">Logging in…</span>
                    </span>  

                    <div class="center alert alert-danger" v-if="login_error" v-model="login_error"></div>

                    <span class="btn btn-link btn-block" v-on:click="active_modal_view='signup'">Create a new account</span>
                  </form>
                </div>
              </div>

              <div v-show="active_modal_view == 'signup'">
                <div class="content">
                  <form>
                    <h4>Sign Up</h4>

                    <div class="tight">
                      <div class="form-group">
                        <input class="input" type="text" id="user-name" v-model="name" placeholder="Name">
                      </div>

                      <div class="form-group">
                        <input class="input" type="email" id="user-email" v-model="email" placeholder="Email">
                      </div>

                      <div class="form-group">
                        <input class="input" id="user-password" type="password" v-model="password" placeholder="Password">
                      </div>

                      <div class="form-group">
                        <input class="input" id="user-password-confirmation" type="password" v-model="password_confirmation" placeholder="Repeat Password">
                      </div>
                    </div>

                    <div class="text-center" style="margin-top: -7px; margin-bottom: 30px;"><small>By signing up you agree to our <a href="/terms.html" target="_blank">TOS</a> and <a href="/privacy.html" target="_blank">Privacy Policy.</a></small><br/>
                    </div>

                    <span class="btn btn-primary btn-xl btn-round btn-block" v-on:click="signup_submit_modal($event, name, email, password, password_confirmation)">
                      <span v-if="!creating_user">Sign Up</span>
                      <span v-if="creating_user">Signing Up…</span>
                    </span>
                    
                    <div class="center alert alert-danger" v-if="signup_error">{{signup_error}}</div>

                    <span class="btn btn-link btn-block" v-on:click="active_modal_view='login'">I already have an account</span>
                  </form>
                </div>
              </div>
            </div>
          </div>

        </div>
      </div>
    </div>
  </div>
</div>