Restrict app container to a compact centered console layout and remove full screen height vertical stretch

fiveparaminte-main/static/dashboard.html

@@ -92,10 +92,15 @@
         .app-container {
             position: relative;
             z-index: 1;
-            max-width: 1400px;
-            margin: 0 auto;
-            padding: 24px;
-            min-height: 100vh;
+            max-width: 860px;
+            margin: 40px auto;
+            padding: 20px;
+            background: var(--bg-card);
+            border: 1px solid var(--border-color);
+            border-radius: 16px;
+            box-shadow: 
+                0 4px 6px -1px rgba(0, 0, 0, 0.02),
+                0 10px 30px -5px rgba(0, 0, 0, 0.05);
             display: flex;
             flex-direction: column;
             width: 100%;
@@ -387,7 +392,6 @@
             grid-template-columns: repeat(3, 1fr);
             grid-template-rows: auto auto;
             gap: 10px;
-            flex: 1;
         }
 
         .vital-card {
@@ -815,6 +819,9 @@
             padding: 0 !important;
             max-width: 100% !important;
             margin: 0 !important;
+            background: transparent !important;
+            border: none !important;
+            box-shadow: none !important;
         }
         body.minimal-mode {
             padding: 0 !important;