.ninja-popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  padding: 16px;
}

.ninja-popup-overlay.is-visible { display: flex; }

.ninja-popup {
  position: relative;
  max-width: 680px;
  width: 100%;
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
}

.ninja-popup-close {
  position: absolute;
  top: 6px;
  right: 10px;
  border: 0;
  background: rgba(0,0,0,.55);
  color: #fff;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 22px;
  line-height: 34px;
  cursor: pointer;
  z-index: 2;
}

.ninja-popup-image { display:block; width:100%; height:auto; }

.ninja-popup-text {
  padding: 18px;
  font-size: 14px;
  line-height: 1.9;
  color: #222;
}