browser/OS theme color resolution

app.py

@@ -340,7 +340,7 @@ def load_council_report() -> str:
         <div style="background:#1a1a2e; border:1px solid #2a2a4a; border-radius:8px; padding:12px;">
             <div style="display:flex; justify-content:space-between; margin-bottom:8px;">
                 <span style="color:#7fb3f5; font-weight:bold;">Topic #{item.get('topic_id', item.get('cluster_id', '?'))}</span>
-                <span style="color:#fff; font-size:0.9rem;">Final Choice: <b>{label}</b></span>
+                <span style="color:#fff; font-size:0.9rem;">Final Choice: <b style="color:#ffffff; font-weight:700;">{label}</b></span>
             </div>
             {ui}
         </div>