Update templates and styles

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

templates/auth/login.html

@@ -27,6 +27,11 @@
             {{ 'dont_have_account'|t }}
             <a href="{{ url_for('register_organizer') }}">{{ 'register_as_organizer'|t }}</a>
         </p>
+
+        <div class="attendee-link-box">
+            <p>{{ 'attendee_profile_link'|t }}</p>
+            <p><a href="{{ url_for('request_attendee_link') }}"><strong>{{ 'click_here'|t }}</strong></a></p>
+        </div>
     </div>
 </div>
 {% endblock %}