frontend/components/ui/button.tsx

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

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

const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
  ({ className, variant = "default", size = "default", ...props }, ref) => {
    return (
      <button
        ref={ref}
        className={cn(
          "inline-flex items-center justify-center rounded-md text-sm font-medium transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring disabled:opacity-50 disabled:pointer-events-none ring-offset-background",
          {
            "bg-primary text-primary-foreground hover:bg-primary/90": variant === "default",
            "border border-input 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 py-2 px-4": size === "default",
            "h-9 px-3 rounded-md": size === "sm",
            "h-11 px-8 rounded-md": size === "lg",
          },
          className
        )}
        {...props}
      />
    )
  }
)
Button.displayName = "Button"

export { Button }