/* NAC_MAIN_HOME_CHAT_FINAL_20260727: main-site-only compatibility layer */
#nac-unified-chat.nac-main-home-final .nac-support-human-stream:empty,
#nac-unified-chat.nac-main-home-final .nac-support-human-stream[data-nac-main-empty="true"] {
  display: none !important;
  height: 0 !important;
  min-height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  overflow: hidden !important;
}

#nac-unified-chat.nac-main-home-final .nac-stage:not(.nac-support-stream-active) {
  --nac-support-stream-height: 0px !important;
}