fix: add right padding to table scroll container to clear scrollbar

Padding on the parent main element doesn't work with overflow:auto — the
fix belongs on the scrollable div wrapping the table itself.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

components/HomePageClient.tsx

@@ -221,7 +221,7 @@ export function HomePageClient({
       </header>
 
       {/* ── Main content ────────────────────────────────────────────────────── */}
-      <main className="px-4 sm:px-6 pr-4 sm:pr-8 pb-12">
+      <main className="px-4 sm:px-6 pb-12">
         {scrapedCount === 0 ? (
           <EmptyState />
         ) : (