/* Surbrillance jaune type stabilo */
.highlight-yellow {
  background: linear-gradient(transparent 60%, #fff89a 60%);
  font-weight: 600;
  padding: 0 2px;
}

/* Surbrillance bleue */
.highlight-blue {
  background: linear-gradient(transparent 60%, #cce5ff 60%);
  font-weight: 600;
  color: #003366;
  padding: 0 2px;
}

/* Soulignement animé bleu */
.underline-animated {
  position: relative;
  display: inline-block;
}
.underline-animated::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #0072ff, #00c6ff);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s ease-out;
}
.underline-animated:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Encadré type “note importante” */
.highlight-box {
  background: #f5f9ff;
  border-left: 4px solid #0072ff;
  padding: 12px 16px;
  border-radius: 6px;
  font-weight: 500;
  color: #1a1a1a;
  margin: 16px 0;
}

/* Citation mise en avant */
.highlight-quote {
  background: #f8f8f8;
  border-left: 4px solid #888;
  padding: 12px 16px;
  font-style: italic;
  color: #555;
  margin: 20px 0;
  border-radius: 4px;
}