.accordion-container {
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 6px;
  overflow: hidden;
}

.accordion-header {
  background-color: #f1f2f3;
  font-size: 18px;
  font-weight: bold;
  padding: 12px;
  cursor: pointer;
  user-select: none;
}

.accordion-header .arrow {
  display: inline-block;
  margin-right: 8px;
  transition: transform 0.3s;
}

.accordion-header.active .arrow {
  transform: rotate(90deg);
}

.accordion-content {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; max-height: 0; }
  to { opacity: 1; max-height: 1000px; }
}