.expansion-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  transition: box-shadow var(--transition-speed);
}
.expansion-panel.is-open {
  box-shadow: var(--box-shadow-sm);
}
.expansion-panel-header {
  background: none;
  border: none;
  font: inherit;
  color: inherit;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 0.75rem 1.25rem;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
}
.expansion-panel-icon {
  transition: transform 0.3s ease-out;
}
.expansion-panel.is-open .expansion-panel-icon {
  transform: rotate(180deg);
}
.expansion-panel-content-wrapper {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-in-out;
}
.expansion-panel.is-open .expansion-panel-content-wrapper {
  max-height: 200px;
}
.expansion-panel-content {
  padding: 0 1.25rem 1.25rem 1.25rem;
}