style: optimize stat-card grid to fit on 1 line for desktop screens or 2 lines for laptops

static/css/dashboard.css

@@ -752,21 +752,34 @@ body {
 /* Stat Cards */
 .stats-grid {
     display: grid;
-    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
-    gap: 1.5rem;
+    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
+    gap: 1rem;
     margin-bottom: 1.5rem;
 }
 
+@media (min-width: 1400px) {
+    .stats-grid {
+        grid-template-columns: repeat(7, 1fr);
+    }
+}
+
+@media (min-width: 900px) and (max-width: 1399px) {
+    .stats-grid {
+        grid-template-columns: repeat(4, 1fr);
+    }
+}
+
 .stat-card {
     background: var(--bg1);
-    padding: var(--spacing-lg);
+    padding: 1rem 1.1rem;
     border-radius: var(--border-radius);
     border: 1px solid var(--bg2);
     box-shadow: var(--shadow-sm);
     display: flex;
-    gap: 1.25rem;
+    gap: 0.85rem;
     align-items: center;
     transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
+    min-width: 0;
 }
 
 .stat-card:hover {