/* Frontend: Modal ảnh demo (type=hinh, mở popup) */
#demoImagePopupModal .modal-content { background: rgba(0,0,0,0.7); border: none; border-radius: 8px; }
#demoImagePopupModal .modal-dialog { width: 80%; max-width: none; margin: 1rem auto; }
#demoImagePopupModal .modal-body { padding: 20px; }
#demoImagePopupModal #demoImagePopupImg { width: 100%; height: auto; display: block; border-radius: 4px; }
@media (max-width: 767px) {
#demoImagePopupModal .modal-dialog { width: 95%; }
}