feat: implementazione dashboard

src/assets/style.css

@@ -256,6 +256,44 @@ form button:hover {
     padding: 20px;
 }
 
+.admin-stats-grid {
+    display: grid;
+    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
+    gap: 16px;
+    margin-top: 20px;
+}
+
+.admin-stat-card {
+    padding: 20px;
+    border: 1px solid #ddd;
+    border-radius: 12px;
+    background-color: #fff;
+    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
+    text-align: center;
+}
+
+.admin-stat-card h2 {
+    margin: 0 0 10px;
+    font-size: 36px;
+    color: #333;
+}
+
+.admin-stat-card p {
+    margin: 0;
+    color: #666;
+    font-weight: 600;
+}
+
+.admin-stat-pending {
+    border-color: #ffc107;
+    background-color: #fff8e1;
+}
+
+.admin-stat-products {
+    border-color: #17a2b8;
+    background-color: #e9f7fb;
+}
+
 @media (max-width: 768px) {
     .account-layout {
         flex-direction: column;