frontend/src/components/ui/button.tsx

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

export interface ButtonProps
    extends React.ButtonHTMLAttributes<HTMLButtonElement> {
    variant?: "default" | "destructive" | "outline" | "secondary" | "ghost" | "link"
    size?: "default" | "sm" | "lg" | "icon"
}

const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
    ({ className, variant = "default", size = "default", ...props }, ref) => {
        const variants = {
            default: "bg-blue-600 text-white hover:bg-blue-700 shadow-lg shadow-blue-900/20",
            destructive: "bg-red-500 text-white hover:bg-red-600",
            outline: "border border-slate-700 bg-transparent hover:bg-slate-800 text-slate-100",
            secondary: "bg-slate-800 text-slate-100 hover:bg-slate-700",
            ghost: "hover:bg-slate-800 text-slate-100",
            link: "text-blue-500 underline-offset-4 hover:underline"
        }

        const sizes = {
            default: "h-10 px-4 py-2",
            sm: "h-9 rounded-md px-3",
            lg: "h-11 rounded-md px-8",
            icon: "h-10 w-10"
        }

        return (
            <button
                className={cn(
                    "inline-flex items-center justify-center whitespace-nowrap rounded-md text-sm font-medium ring-offset-slate-900 transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-slate-300 disabled:pointer-events-none disabled:opacity-50",
                    variants[variant],
                    sizes[size],
                    className
                )}
                ref={ref}
                {...props}
            />
        )
    }
)
Button.displayName = "Button"

export { Button }