const Modal = ({ isOpen, onClose, title, children }) => {
    React.useEffect(() => {
        if (!isOpen) return;
        const handler = (e) => { if (e.key === 'Escape') onClose(); };
        document.addEventListener('keydown', handler);
        return () => document.removeEventListener('keydown', handler);
    }, [isOpen, onClose]);
    if (!isOpen) return null;
    return (
        <div className="modal-overlay" onClick={(e) => e.target === e.currentTarget && onClose()}>
            <div className="modal modal-medium">
                <div className="modal-header">
                    <h2 className="modal-title">{title}</h2>
                    <button className="modal-close-btn" onClick={onClose}>&times;</button>
                </div>
                <div className="modal-body">{children}</div>
            </div>
        </div>
    );
};