/* AI 채점 팝업 (제출 후 애니메이션 안내) */
.ai-popup {
  position: fixed; left: 0; top: 0; width: 100vw; height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: rgba(10,18,30,0.83); z-index: 99999;
  font-size: 2rem; color: #fff; transition: opacity 0.2s;
}
.ai-popup-inner {
  background: #213164; padding: 2.7rem 3.2rem;
  border-radius: 28px; box-shadow: 0 7px 36px #09348b25;
  text-align: center; min-width: 320px; max-width: 95vw;
}
#ai-text { font-size: 1.45em; letter-spacing: 1px; margin-top: 0.4em; word-break: keep-all; }
@media (max-width: 600px) {
  .ai-popup-inner { padding: 1.4rem 1rem; min-width: 190px; font-size: 1em; }
}