:host {
  display: block;
  width: 100%;
}

.nui-accordion {
  width: 100%;
  overflow: hidden;
  border: var(--border-width) solid var(--nui-card-border);
  box-sizing: border-box;
}

.nui-accordion-panel {
  position: relative;
  z-index: 0;
}

.nui-accordion-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 var(--border-width) var(--nui-primary-color);
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms ease;
  z-index: 2;
}

.nui-accordion-panel:hover,
.nui-accordion-panel:has(.nui-accordion-header-button:focus-visible) {
  z-index: 1;
}

.nui-accordion-panel:hover::after,
.nui-accordion-panel:has(.nui-accordion-header-button:focus-visible)::after {
  opacity: 1;
}

.nui-accordion-header {
  margin: 0;
}

.nui-accordion-header-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-direction: row-reverse;
  gap: var(--spacing-sm);
  width: 100%;
  min-height: 41px;
  margin: 0;
  padding: 0 var(--spacing-md);
  border: 0;
  border-radius: 0;
  background: var(--nui-content-background);
  color: var(--nui-white-text-color);
  font: inherit;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  text-align: left;
  cursor: pointer;
  transition: background 300ms ease;
  box-sizing: border-box;
}

.nui-accordion-panel + .nui-accordion-panel .nui-accordion-header-button {
  border-top: var(--border-width) solid var(--nui-card-border);
}

.nui-accordion-header-button:focus-visible {
  outline: var(--border-width-focus) solid var(--nui-primary-focus-color);
  outline-offset: calc(-1 * var(--border-width-focus));
}

.nui-accordion-header-label {
  flex: 1 1 auto;
  min-width: 0;
}

.nui-accordion-toggle-icon {
  flex-shrink: 0;
  --nui-icon-width: 1.25em;
  --nui-icon-height: 1.25em;
  transition: transform 300ms ease;
}

.nui-accordion-panel:not([expanded]) .nui-accordion-toggle-icon {
  transform: rotate(0deg);
}

.nui-accordion-panel[expanded] .nui-accordion-toggle-icon {
  transform: rotate(90deg);
}

.nui-accordion-content {
  padding: var(--spacing-md);
  border: 0;
  border-top: var(--border-width) solid var(--nui-card-border);
  background: var(--nui-card-background);
  color: var(--nui-primary-text-color);
  font-size: var(--font-size-xs);
  line-height: 1.5;
  overflow-wrap: break-word;
  box-sizing: border-box;
}

.nui-accordion-panel[expanded]:not(:last-child) .nui-accordion-content {
  border-bottom: var(--border-width) solid var(--nui-card-border);
}

.nui-accordion-content[hidden] {
  display: none;
}

.nui-accordion-panel:first-child .nui-accordion-header-button {
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.nui-accordion-panel:last-child:not([expanded]) .nui-accordion-header-button,
.nui-accordion-panel:last-child[expanded] .nui-accordion-content {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}