frontend/src/components/ui/button.tsx

import * as React from "react"
import { Slot } from "@radix-ui/react-slot"
import { cva, type VariantProps } from "class-variance-authority"
import { cn } from "@/lib/utils"

// Note: I'm simulating the shadcn/ui structure but simplifying since I don't have the full setup
// I'll just use standard props without cva for now to keep it simple and dependency-free (except clsx/tailwind-merge)

interface ButtonProps extends React.ButtonHTMLAttributes<HTMLButtonElement> {
    variant?: "default" | "outline" | "ghost" | "secondary";
    size?: "default" | "sm" | "lg";
    asChild?: boolean;
}

const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
    ({ className, variant = "default", size = "default", asChild = false, ...props }, ref) => {
        const Comp = asChild ? Slot : "button"
        return (
            <Comp
                ref={ref}
                className={cn(
                    "inline-flex items-center justify-center rounded-md text-sm font-medium ring-offset-background transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50",
                    {
                        "bg-blue-600 text-white hover:bg-blue-700": variant === "default",
                        "border border-input bg-background hover:bg-accent hover:text-accent-foreground": variant === "outline",
                        "hover:bg-accent hover:text-accent-foreground": variant === "ghost",
                        "bg-secondary text-secondary-foreground hover:bg-secondary/80": variant === "secondary",
                        "h-10 px-4 py-2": size === "default",
                        "h-9 rounded-md px-3": size === "sm",
                        "h-11 rounded-md px-8": size === "lg",
                    },
                    className
                )}
                {...props}
            />
        )
    }
)
Button.displayName = "Button"

export { Button }