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apps/docs/components/ui/scroll-area.tsx

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+'use client';
+
+import * as ScrollAreaPrimitive from '@radix-ui/react-scroll-area';
+import { cn } from '@/lib/utils';
+
+export function ScrollArea({ className, children, ...props }: React.ComponentProps<typeof ScrollAreaPrimitive.Root>) {
+  return (
+    <ScrollAreaPrimitive.Root className={cn('relative overflow-hidden', className)} {...props}>
+      <ScrollAreaPrimitive.Viewport className="h-full w-full rounded-[inherit]">{children}</ScrollAreaPrimitive.Viewport>
+      <ScrollBar />
+      <ScrollAreaPrimitive.Corner />
+    </ScrollAreaPrimitive.Root>
+  );
+}
+
+function ScrollBar({ className, orientation = 'vertical', ...props }: React.ComponentProps<typeof ScrollAreaPrimitive.ScrollAreaScrollbar>) {
+  return (
+    <ScrollAreaPrimitive.ScrollAreaScrollbar
+      orientation={orientation}
+      className={cn(
+        'flex touch-none select-none transition-colors',
+        orientation === 'vertical' && 'h-full w-2.5 border-l border-l-transparent p-[1px]',
+        orientation === 'horizontal' && 'h-2.5 flex-col border-t border-t-transparent p-[1px]',
+        className
+      )}
+      {...props}
+    >
+      <ScrollAreaPrimitive.ScrollAreaThumb className="relative flex-1 rounded-full bg-zinc-200 dark:bg-zinc-800" />
+    </ScrollAreaPrimitive.ScrollAreaScrollbar>
+  );
+}