/* Overlay */
.yt-popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  padding: 20px;
}

/* Box */
.yt-popup-box {
  position: relative;
  width: 100%;
  max-width: 960px;
  background: transparent;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0,0,0,0.5);
}

/* Iframe wrapper (16:9) */
.yt-popup-frame {
  position: relative;
  padding-top: 56.25%;
  height: 0;
}
.yt-popup-frame iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: none;
}

/* Close button */
.yt-popup-close {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0,0,0,0.6);
  color: #fff;
  border: none;
  font-size: 18px;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
}