frontend/src/components/ui/alert.tsx

import { cva, type VariantProps } from "class-variance-authority";
import * as React from "react";

import { cn } from "@/lib/utils";

const alertVariants = cva("relative w-full rounded-lg border px-4 py-3 text-sm [&>svg+div]:translate-y-[-3px] [&>svg]:absolute [&>svg]:left-4 [&>svg]:top-4 [&>svg]:text-foreground [&>svg~*]:pl-7", {
  variants: {
    variant: {
      default: "bg-background text-foreground",
      destructive: "border-destructive/50 text-destructive dark:border-destructive [&>svg]:text-destructive",
    },
  },
  defaultVariants: {
    variant: "default",
  },
});

const Alert = React.forwardRef<HTMLDivElement, React.HTMLAttributes<HTMLDivElement> & VariantProps<typeof alertVariants>>(({ className, variant, ...props }, ref) => <div ref={ref} role="alert" className={cn(alertVariants({ variant }), className)} {...props} />);
Alert.displayName = "Alert";

const AlertTitle = React.forwardRef<HTMLParagraphElement, React.HTMLAttributes<HTMLHeadingElement>>(({ className, ...props }, ref) => <h5 ref={ref} className={cn("mb-1 font-medium leading-none tracking-tight", className)} {...props} />);
AlertTitle.displayName = "AlertTitle";

const AlertDescription = React.forwardRef<HTMLParagraphElement, React.HTMLAttributes<HTMLParagraphElement>>(({ className, ...props }, ref) => <div ref={ref} className={cn("text-sm [&_p]:leading-relaxed", className)} {...props} />);
AlertDescription.displayName = "AlertDescription";

export { Alert, AlertDescription, AlertTitle };