frontend/src/components/common/Modal.jsx

import { useEffect } from 'react'

export default function Modal({ title, icon, onClose, children }) {
  useEffect(() => {
    const onKey = (e) => e.key === 'Escape' && onClose()
    window.addEventListener('keydown', onKey)
    return () => window.removeEventListener('keydown', onKey)
  }, [onClose])

  return (
    <div className="modal-overlay" onClick={onClose}>
      <div className="modal" onClick={(e) => e.stopPropagation()}>
        <div className="modal-head">
          {icon && <span style={{ fontSize: 24 }}>{icon}</span>}
          <b>{title}</b>
          <button className="x" onClick={onClose} aria-label="close">
            ×
          </button>
        </div>
        <div className="modal-body">{children}</div>
      </div>
    </div>
  )
}