frontend/src/components/ui/card.tsx

import * as React from 'react';
import { cn } from '@/lib/utils';

export function Card({ className, ...props }: React.HTMLAttributes<HTMLDivElement>) {
  return (
    <div
      className={cn(
        'rounded-lg border border-border bg-bg-surface text-text-primary shadow-sm',
        className
      )}
      {...props}
    />
  );
}

export function CardHeader({ className, ...props }: React.HTMLAttributes<HTMLDivElement>) {
  return <div className={cn('flex flex-col space-y-1.5 p-4', className)} {...props} />;
}

export function CardTitle({ className, ...props }: React.HTMLAttributes<HTMLHeadingElement>) {
  return <h3 className={cn('font-semibold leading-none tracking-tight', className)} {...props} />;
}

export function CardContent({ className, ...props }: React.HTMLAttributes<HTMLDivElement>) {
  return <div className={cn('p-4 pt-0', className)} {...props} />;
}

export function CardFooter({ className, ...props }: React.HTMLAttributes<HTMLDivElement>) {
  return <div className={cn('flex items-center p-4 pt-0', className)} {...props} />;
}