/* Overlay background */
.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

/* Popup box */
.popup-box {
  width: 400px;
  height: 600px;
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}

/* Close button */
.popup-close {
  position: absolute;
  top: 8px;
  right: 10px;
  font-size: 18px;
  background: #ff4444;
  color: #fff;
  border: none;
  padding: 4px 8px;
  border-radius: 5px;
  cursor: pointer;
  z-index: 10;
}
.popup-box iframe {
  width: 100%;
  height: 100%;
  border: none;
}