frontend/src/components/ui/card.tsx

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

export const Card = React.forwardRef<
  HTMLDivElement,
  React.HTMLAttributes<HTMLDivElement>
>(({ className, ...props }, ref) => (
  <div
    ref={ref}
    className={cn(
      "rounded-xl border border-border bg-card text-card-foreground shadow-sm",
      className
    )}
    {...props}
  />
));
Card.displayName = "Card";

export const CardHeader = React.forwardRef<
  HTMLDivElement,
  React.HTMLAttributes<HTMLDivElement>
>(({ className, ...props }, ref) => (
  <div
    ref={ref}
    className={cn("flex flex-col gap-1.5 p-6 pb-4", className)}
    {...props}
  />
));
CardHeader.displayName = "CardHeader";

export const CardTitle = React.forwardRef<
  HTMLHeadingElement,
  React.HTMLAttributes<HTMLHeadingElement>
>(({ className, ...props }, ref) => (
  <h3
    ref={ref}
    className={cn("text-base font-semibold tracking-tight", className)}
    {...props}
  />
));
CardTitle.displayName = "CardTitle";

export const CardDescription = React.forwardRef<
  HTMLParagraphElement,
  React.HTMLAttributes<HTMLParagraphElement>
>(({ className, ...props }, ref) => (
  <p
    ref={ref}
    className={cn("text-sm text-muted-foreground", className)}
    {...props}
  />
));
CardDescription.displayName = "CardDescription";

export const CardContent = React.forwardRef<
  HTMLDivElement,
  React.HTMLAttributes<HTMLDivElement>
>(({ className, ...props }, ref) => (
  <div ref={ref} className={cn("p-6 pt-0", className)} {...props} />
));
CardContent.displayName = "CardContent";

export const CardFooter = React.forwardRef<
  HTMLDivElement,
  React.HTMLAttributes<HTMLDivElement>
>(({ className, ...props }, ref) => (
  <div
    ref={ref}
    className={cn("flex items-center p-6 pt-0", className)}
    {...props}
  />
));
CardFooter.displayName = "CardFooter";