fix minor css issue on stickies

frontend/src/components/stickies.tsx

@@ -95,7 +95,7 @@ const Stickies = () => {
                 <div className="clusters-container">
                     {score != null && (
                         <div className="cohesion-score">
-                            Cluster cohesion: {scoreLabel(score)}
+                            Cluster cohesion: <strong>{scoreLabel(score)}</strong>
                         </div>
                     )}
                     {rankedClusters.map((group, index) => (

frontend/src/styles/stickies.css

@@ -40,10 +40,12 @@
 }
 
 .cluster-header {
+    position: relative;
     display: flex;
     align-items: center;
     gap: 12px;
     margin-bottom: 16px;
+    min-height: 32px;
 }
 
 .cluster-rank {
@@ -69,13 +71,18 @@
 }
 
 .cluster-label {
+    position: absolute;
+    left: 50%;
+    transform: translateX(-50%);
+    max-width: 50%;
     margin: 0;
     font-size: 1.2em;
     font-weight: 600;
-  flex: 1;
+    pointer-events: none;
 }
 
 .cluster-drag-handle {
+    margin-left: auto;
     font-size: 1.4em;
     color: #6dd6f4;
     opacity: 0.4;