diff --git a/src/app/api/admin/integrations/route.ts b/src/app/api/admin/integrations/route.ts
index 5916a53..4b3df22 100644
--- a/src/app/api/admin/integrations/route.ts
+++ b/src/app/api/admin/integrations/route.ts
@@ -129,13 +129,24 @@ export async function PATCH(req: NextRequest) {
   };
   if (status) patch.status = status;
   if (externalAccountId !== undefined) {
-    patch.external_account_id = externalAccountId || null;
+    let id = externalAccountId || null;
+    // Drive: accept full folder URL → store folder id only
+    if (provider === 'google_drive' && id) {
+      const m = id.match(/\/folders\/([a-zA-Z0-9_-]+)/);
+      if (m) id = m[1];
+      else if (id.includes('http')) {
+        const q = id.match(/[?&]id=([a-zA-Z0-9_-]+)/);
+        if (q) id = q[1];
+      }
+    }
+    patch.external_account_id = id;
   }
   if (label !== undefined) patch.label = label || null;
   if (errorMessage !== undefined) patch.error_message = errorMessage || null;
   if (enabled !== undefined) patch.enabled = enabled;
+  // Manual «Conectar» only marks the reference — do not fake a data sync timestamp.
+  // Real syncs (Ads discover, Orgánico, Superhuman…) set last_sync_at themselves.
   if (status === 'connected') {
-    patch.last_sync_at = new Date().toISOString();
     patch.error_message = null;
   }
   if (status === 'disconnected') {
diff --git a/src/components/ClientIntegrationsPanel.tsx b/src/components/ClientIntegrationsPanel.tsx
index 36ac948..c773cf0 100644
--- a/src/components/ClientIntegrationsPanel.tsx
+++ b/src/components/ClientIntegrationsPanel.tsx
@@ -205,12 +205,16 @@ export default function ClientIntegrationsPanel({
                             Carpeta: {folderHint}
                           </p>
                         )}
-                        {row?.last_sync_at && (
+                        {row?.last_sync_at ? (
                           <p className="text-[10px] text-gray-500">
-                            Último sync{' '}
+                            Último sync real{' '}
                             {new Date(row.last_sync_at).toLocaleString('es-ES')}
                           </p>
-                        )}
+                        ) : status === 'connected' ? (
+                          <p className="text-[10px] text-amber-700">
+                            Referencia guardada (aún sin sync de datos)
+                          </p>
+                        ) : null}
                         {row?.error_message && (
                           <p className="text-[11px] text-red-600 mt-1">
                             {row.error_message}