📏 Further reduce metric value font size to 0.5rem

Author: raold

static/dashboard.html

@@ -192,7 +192,7 @@
         .metric-value {
             color: var(--yellow);
             font-weight: 700;
-            font-size: 0.75rem;
+            font-size: 0.5rem;
             text-align: right;
         }