wip: guest account registration (self-service and booking create flow)

templates/security/login.html.twig

@@ -53,6 +53,48 @@
                     Jetzt registrieren
                 </a>
             </div>
+
+            <div class="mt-10 pt-8 border-t border-primary-bg/40">
+                <h2 class="text-white uppercase mb-4">
+                    Portalzugang anfordern
+                </h2>
+                <p class="text-white mb-4">
+                    Du hast noch keinen Portalzugang? Gib die E-Mail-Adresse aus deiner Buchung und deine Buchungsnummer ein.
+                    Wenn deine Angaben zur Buchung passen, senden wir dir einen Aktivierungslink an diese E-Mail-Adresse.
+                </p>
+
+                <form action="{{ path('app_portal_access_request') }}" method="post">
+                    <div class="mb-4">
+                        <label for="portal_access_email" class="mb-1 font-semibold text-white">
+                            E-Mail:
+                        </label>
+                        <input type="email"
+                               id="portal_access_email"
+                               name="email"
+                               class="form-field"
+                               required
+                               autocomplete="email">
+                    </div>
+
+                    <div class="mb-4">
+                        <label for="portal_access_booking_number" class="mb-1 font-semibold text-white">
+                            Buchungsnummer:
+                        </label>
+                        <input type="number"
+                               id="portal_access_booking_number"
+                               name="bookingNumber"
+                               class="form-field"
+                               required
+                               min="1"
+                               inputmode="numeric">
+                    </div>
+
+                    <button type="submit" class="button button--primary">
+                        Portalzugang anfordern
+                    </button>
+                    <input type="hidden" name="_token" value="{{ csrf_token('portal_access_request') }}">
+                </form>
+            </div>
         </div>
         <div>
             <h3 class="mb-2 text-white">