feat(dashboard): polish risk and digital employee boards

web/src/assets/styles/views/overview-view.css

@@ -1,4 +1,5 @@
 .dashboard {
+  position: relative;
   min-width: 0;
   display: grid;
   gap: 16px;
@@ -6,6 +7,33 @@
   animation: fadeUp 260ms var(--ease) both;
 }
 
+.dashboard-loading-overlay {
+  position: absolute;
+  inset: 0;
+  z-index: 20;
+  display: grid;
+  place-content: center;
+  justify-items: center;
+  gap: 10px;
+  min-height: 320px;
+  border: 1px solid #e2e8f0;
+  border-radius: 4px;
+  background: rgba(248, 250, 252, .88);
+  color: #334155;
+  font-size: 13px;
+  font-weight: 800;
+  backdrop-filter: blur(2px);
+}
+
+.dashboard-loading-overlay i {
+  color: var(--theme-primary);
+  font-size: 28px;
+}
+
+.dashboard.is-loading > :not(.dashboard-loading-overlay) {
+  pointer-events: none;
+}
+
 .kpi-grid {
   display: grid;
   grid-template-columns: repeat(6, minmax(0, 1fr));