UI: removido fundo roxo do Cluster Health Overview, deixado mais sóbrio como Resource Consumption

app/static/index.html

@@ -804,10 +804,11 @@
 
         /* Cluster Health Dashboard Styles */
         .cluster-health-section {
-            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
-            color: white;
+            background: #f8f9fa;
+            color: #333;
             padding: 2rem;
-            border-radius: 12px;
+            border-radius: 8px;
+            border-left: 4px solid #28a745;
             margin-bottom: 2rem;
             display: flex;
             justify-content: space-between;
@@ -839,7 +840,7 @@
 
         .health-text p {
             margin: 0.5rem 0 0 0;
-            opacity: 0.9;
+            color: #666;
         }
 
         .health-metrics {
@@ -855,7 +856,7 @@
         .metric-label {
             display: block;
             font-size: 0.9rem;
-            opacity: 0.8;
+            color: #666;
             margin-bottom: 0.5rem;
         }