fix: use max-w-7xl (1280px) instead of full-width — better readability

app/sites/[id]/behavior/page.tsx

@@ -56,7 +56,7 @@ export default function BehaviorPage() {
   if (showSkeleton) return <BehaviorSkeleton />
 
   return (
-    <div className={`w-full mx-auto px-4 sm:px-6 pb-8 ${fadeClass}`}>
+    <div className={`w-full max-w-7xl mx-auto px-4 sm:px-6 pb-8 ${fadeClass}`}>
       {/* Header */}
       <div className="mb-8 flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4">
         <div>