.popup-modal {
  display: flex;
  position: fixed;
  z-index: 9999;
  inset: 0;
  background: rgba(0, 0, 0, 0.4); /* nền trong mờ */
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}
body:has(.popup-modal.unscrollable:not(.hidden)) {
  overflow: hidden;
  height: 80%;
}
.popup-modal.unscrollable {
  overscroll-behavior: contain;
  touch-action: none;
}

.popup-content {
  position: relative;
}
.hidden {
  display: none;
}

.popup-image {
  max-width: 80vw;
  max-height: 80vh;
  cursor: pointer;
  border-radius: 10px;
}

.popup-close {
  position: absolute;
  top: -10px;
  right: -10px;
  font-size: 30px;
  color: white;
  cursor: pointer;
 
  border-radius: 50%;
  padding: 2px 8px;
}