components/GenerateButton.jsx

export default function GenerateButton({ onClick, loading }) {
  return (
    <button
      onClick={onClick}
      disabled={loading}
      className="w-full bg-gradient-to-r from-primary-500 to-secondary-500 text-white font-semibold py-4 px-6 rounded-xl shadow-lg hover:shadow-xl transform hover:-translate-y-0.5 transition-all duration-200 disabled:opacity-50 disabled:cursor-not-allowed disabled:transform-none"
    >
      {loading ? (
        <span className="flex items-center justify-center gap-2">
          <svg className="animate-spin h-5 w-5 text-white" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24">
            <circle className="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" strokeWidth="4"></circle>
            <path className="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
          </svg>
          Generating...
        </span>
      ) : (
        '🚀 Generate Image'
      )}
    </button>
  );
}