fix: Center confirmation modal properly

- Remove w-full that caused alignment issues
- Use fixed width (400px) for consistent centering

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

web/components/ScraperTest.tsx

@@ -1152,7 +1152,8 @@ export default function ScraperTest({ onJobsChange, onSelectReviews }: ScraperTe
           onClick={() => setShowConfirmModal(false)}
         >
           <div
-            className="bg-white rounded-2xl shadow-2xl w-full max-w-md border-2 border-green-500 animate-fade-in"
+            className="bg-white rounded-2xl shadow-2xl max-w-md border-2 border-green-500 animate-fade-in"
+            style={{ width: '400px' }}
             onClick={(e) => e.stopPropagation()}
           >
             {/* Header */}