.learning-audio-a4-page .learning-audio-word.outside-word {
  color: #9aa19d;
  text-decoration: line-through;
  text-decoration-color: #c7ceca;
}

.learning-audio-a4-page .learning-audio-word.start-word,
.learning-audio-a4-page .learning-audio-word.end-word {
  font-weight: 900;
  text-decoration: none;
}

.learning-audio-page-workspace > .learning-audio-word-tools {
  grid-template-columns: repeat(4, minmax(100px, 1fr));
}

.learning-audio-word-tools button.eraser {
  border-color: #687b84;
  color: #42565f;
}

.learning-audio-word-tools button.eraser.active {
  background: #536b75;
  color: #fff;
  box-shadow: 0 0 0 3px #d2dce0;
}

.learning-audio-document-text.mode-erase .learning-audio-word {
  cursor: cell;
}

@media (max-width: 650px) {
  .learning-audio-page-workspace > .learning-audio-word-tools {
    grid-template-columns: repeat(2, 1fr);
  }
}

.learning-audio-disabled-reason {
  margin: 8px 0 0 !important;
  padding: 9px 11px;
  border-radius: 8px;
  background: #fff2df;
  color: #7a4515 !important;
  font-size: 13px;
  font-weight: 700;
}