project.linkedcorp.net/frontend/src/components/Button.jsx

export function Button({ variant = 'standard', size, icon: Icon, children, className = '', ...rest }) {
  const sizeClass = size === 'sm' ? 'btn-sm' : '';
  return (
    <button className={`btn btn-${variant} ${sizeClass} ${className}`.trim()} {...rest}>
      {Icon && <Icon />}
      {children && <span className="btn-label">{children}</span>}
    </button>
  );
}