Simplify login page: remove badges and institutional info

backend/templates/login.html

@@ -120,20 +120,6 @@
         <div class="grid lg:grid-cols-2 gap-16 items-center max-w-6xl mx-auto">
           <!-- Content Section -->
           <div class="space-y-8">
-            <!-- Badge -->
-            <div
-              class="inline-flex items-center px-3 py-1.5 rounded-full border border-border bg-muted/20 text-sm font-medium text-muted-foreground"
-            >
-              <svg class="w-4 h-4 mr-2" fill="currentColor" viewBox="0 0 20 20">
-                <path
-                  fill-rule="evenodd"
-                  d="M10.394 2.08a1 1 0 00-.788 0l-7 3a1 1 0 000 1.84L5.25 8.051a.999.999 0 01.356-.257l4-1.714a1 1 0 11.788 1.838L7.667 9.088l1.94.831a1 1 0 00.787 0l7-3a1 1 0 000-1.838l-7-3zM3.31 9.397L5 10.12v4.102a8.969 8.969 0 00-1.05-.174 1 1 0 01-.89-.89 11.115 11.115 0 01.25-3.762zM9.3 16.573A9.026 9.026 0 007 14.935v-3.957l1.818.78a3 3 0 002.364 0l5.508-2.361a11.026 11.026 0 01.25 3.762 1 1 0 01-.89.89 8.968 8.968 0 00-5.35 2.524 1 1 0 01-1.4 0zM6 18a1 1 0 001-1v-2.065a8.935 8.935 0 00-2-.712V17a1 1 0 001 1z"
-                  clip-rule="evenodd"
-                ></path>
-              </svg>
-              Research Platform
-            </div>
-
             <!-- Title -->
             <div class="space-y-4">
               <h1
@@ -181,35 +167,11 @@
                 </p>
               </div>
             </div>
-
-            <!-- Institutions -->
-            <div class="pt-6 border-t border-border">
-              <p
-                class="text-xs text-muted-foreground uppercase tracking-wider mb-2"
-              >
-                Research Collaboration
-              </p>
-              <p class="text-sm text-foreground font-medium">
-                Holistic AI × Centre for Artificial Intelligence, UCL
-              </p>
-            </div>
           </div>
 
           <!-- Video Section -->
           <div class="relative">
             <div class="glass-card rounded-2xl overflow-hidden">
-              <!-- Live Demo Badge -->
-              <div class="absolute -top-3 -right-3 z-10">
-                <div
-                  class="bg-green-500 text-white px-3 py-1.5 rounded-lg text-sm font-semibold shadow-lg animate-pulse-gentle"
-                >
-                  <span
-                    class="inline-block w-2 h-2 bg-white rounded-full mr-2"
-                  ></span>
-                  Live Demo
-                </div>
-              </div>
-
               <div class="relative aspect-video">
                 <iframe
                   src="https://www.youtube.com/embed/btrS9pfDYJY?si=dDX4tIs-oS2O2d2p"