@esri/calcite-components/dist/collection/components/accordion-item/accordion-item.css

Web Components for Esri's Calcite Design System.

/* mixins & extensions */
@keyframes in {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
@keyframes in-down {
  0% {
    opacity: 0;
    transform: translate3D(0, -5px, 0);
  }
  100% {
    opacity: 1;
    transform: translate3D(0, 0, 0);
  }
}
@keyframes in-up {
  0% {
    opacity: 0;
    transform: translate3D(0, 5px, 0);
  }
  100% {
    opacity: 1;
    transform: translate3D(0, 0, 0);
  }
}
@keyframes in-right {
  0% {
    opacity: 0;
    transform: translate3D(-5px, 0, 0);
  }
  100% {
    opacity: 1;
    transform: translate3D(0, 0, 0);
  }
}
@keyframes in-left {
  0% {
    opacity: 0;
    transform: translate3D(5px, 0, 0);
  }
  100% {
    opacity: 1;
    transform: translate3D(0, 0, 0);
  }
}
@keyframes in-scale {
  0% {
    opacity: 0;
    transform: scale3D(0.95, 0.95, 1);
  }
  100% {
    opacity: 1;
    transform: scale3D(1, 1, 1);
  }
}
:root {
  --calcite-animation-timing: calc(150ms * var(--calcite-internal-duration-factor));
  --calcite-internal-duration-factor: var(--calcite-duration-factor, 1);
  --calcite-internal-animation-timing-fast: calc(100ms * var(--calcite-internal-duration-factor));
  --calcite-internal-animation-timing-medium: calc(200ms * var(--calcite-internal-duration-factor));
  --calcite-internal-animation-timing-slow: calc(300ms * var(--calcite-internal-duration-factor));
}

.calcite-animate {
  opacity: 0;
  animation-fill-mode: both;
  animation-duration: var(--calcite-animation-timing);
}

.calcite-animate__in {
  animation-name: in;
}

.calcite-animate__in-down {
  animation-name: in-down;
}

.calcite-animate__in-up {
  animation-name: in-up;
}

.calcite-animate__in-right {
  animation-name: in-right;
}

.calcite-animate__in-left {
  animation-name: in-left;
}

.calcite-animate__in-scale {
  animation-name: in-scale;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --calcite-internal-duration-factor: 0.01;
  }
}
/* helper to properly scale internal durations */
/**
* Currently only used in Checkbox.
*/
:root {
  --calcite-floating-ui-transition: var(--calcite-animation-timing);
  --calcite-floating-ui-z-index: var(--calcite-app-z-index-dropdown);
}

:host([hidden]) {
  display: none;
}

.icon-position--end, .icon-position--start {
  /* icon rotation variables */
  --calcite-accordion-item-icon-rotation: calc(90deg * -1);
  --calcite-accordion-item-active-icon-rotation: 0deg;
  --calcite-accordion-item-icon-rotation-rtl: 90deg;
  --calcite-accordion-item-active-icon-rotation-rtl: 0deg;
}

.icon-position--start {
  --calcite-accordion-item-flex-direction: row-reverse;
  --calcite-accordion-item-icon-spacing-start: 0;
  --calcite-accordion-item-icon-spacing-end: var(--calcite-accordion-icon-margin);
}

.icon-position--end {
  --calcite-accordion-item-flex-direction: row;
  --calcite-accordion-item-icon-spacing-start: var(--calcite-accordion-icon-margin);
  --calcite-accordion-item-icon-spacing-end: 0;
}

.icon-position--end:not(.icon-type--plus-minus) {
  --calcite-accordion-item-icon-rotation: 0deg;
  --calcite-accordion-item-active-icon-rotation: 180deg;
  --calcite-accordion-item-icon-rotation-rtl: 0deg;
  --calcite-accordion-item-active-icon-rotation-rtl: calc(180deg * -1);
}

:host {
  position: relative;
  display: flex;
  flex-direction: column;
  color: var(--calcite-ui-text-3);
  text-decoration-line: none;
  background-color: var(--calcite-accordion-item-background, var(--calcite-ui-foreground-1));
}

:host .header-content {
  outline-color: transparent;
}

:host(:focus) .header-content {
  outline: 2px solid transparent;
  outline-offset: 2px;
  outline: 2px solid var(--calcite-ui-focus-color, var(--calcite-ui-brand));
  outline-offset: calc(
            -2px *
            calc(
              1 -
              2 * clamp(
                0,
                var(--calcite-ui-focus-offset-invert),
                1
              )
            )
          );
}

:host([expanded]) {
  color: var(--calcite-ui-text-1);
}
:host([expanded]) .content {
  display: block;
  color: var(--calcite-ui-text-1);
}
:host([expanded]) .header {
  border-block-end-color: transparent;
}

:host .header {
  display: flex;
  align-items: stretch;
}

:host .icon {
  position: relative;
  margin: 0px;
  display: inline-flex;
  color: var(--calcite-ui-text-3);
  transition-duration: 150ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  margin-inline-end: var(--calcite-accordion-item-icon-spacing-start);
  margin-inline-start: var(--calcite-accordion-item-icon-spacing-end);
}

.icon--start {
  display: flex;
  align-items: center;
  margin-inline-end: var(--calcite-accordion-icon-margin);
}

.icon--end {
  display: flex;
  align-items: center;
  margin-inline-end: var(--calcite-accordion-icon-margin);
  margin-inline-start: var(--calcite-accordion-icon-margin);
}

.header-container {
  inline-size: 100%;
}

.content {
  padding: var(--calcite-accordion-item-padding);
}

:host .content,
:host .header {
  border-block-end: 1px solid var(--calcite-accordion-item-border, var(--calcite-ui-border-2));
}

:host .header * {
  display: inline-flex;
  align-items: center;
  transition-duration: 150ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  word-wrap: break-word;
  word-break: break-word;
}

:host .content {
  display: none;
  padding-block-start: 0px;
  color: var(--calcite-ui-text-3);
  text-align: initial;
}

:host .expand-icon {
  color: var(--calcite-ui-text-3);
  margin-inline-start: var(--calcite-accordion-item-icon-spacing-start);
  margin-inline-end: var(--calcite-accordion-item-icon-spacing-end);
  transform: rotate(var(--calcite-accordion-item-icon-rotation));
}

.calcite--rtl .expand-icon {
  transform: rotate(var(--calcite-accordion-item-icon-rotation-rtl));
}

:host([expanded]) .expand-icon {
  color: var(--calcite-ui-text-1);
  transform: rotate(var(--calcite-accordion-item-active-icon-rotation));
}

:host([expanded]) .calcite--rtl .expand-icon {
  transform: rotate(var(--calcite-accordion-item-active-icon-rotation-rtl));
}

:host .header-text {
  margin-block: 0px;
  flex-grow: 1;
  flex-direction: column;
  padding-block: 0px;
  text-align: initial;
  margin-inline-end: auto;
}

:host .heading,
:host .description {
  display: flex;
  inline-size: 100%;
}

:host .heading {
  font-weight: var(--calcite-font-weight-medium);
  color: var(--calcite-ui-text-2);
}

:host .description {
  margin-block-start: 0.25rem;
  color: var(--calcite-ui-text-3);
}

:host(:focus) .heading,
:host(:hover) .heading {
  color: var(--calcite-ui-text-1);
}
:host(:focus) .icon,
:host(:hover) .icon {
  color: var(--calcite-ui-text-1);
}
:host(:focus) .expand-icon,
:host(:hover) .expand-icon {
  color: var(--calcite-ui-text-1);
}
:host(:focus) .description,
:host(:hover) .description {
  color: var(--calcite-ui-text-2);
}

:host(:focus) .heading,
:host(:active) .heading,
:host([expanded]) .heading {
  color: var(--calcite-ui-text-1);
}
:host(:focus) .icon,
:host(:active) .icon,
:host([expanded]) .icon {
  color: var(--calcite-ui-text-1);
}
:host(:focus) .expand-icon,
:host(:active) .expand-icon,
:host([expanded]) .expand-icon {
  color: var(--calcite-ui-text-1);
}
:host(:focus) .description,
:host(:active) .description,
:host([expanded]) .description {
  color: var(--calcite-ui-text-2);
}

.header-content {
  flex-grow: 1;
  cursor: pointer;
  padding: var(--calcite-accordion-item-padding);
  flex-direction: var(--calcite-accordion-item-flex-direction);
}

.actions-start,
.actions-end {
  display: flex;
  align-items: center;
}

@media (forced-colors: active) {
  :host([expanded]) .header {
    border-block-end: none;
  }
  :host([expanded]) .heading {
    /** give visual indicator of expanded state since subtle color changes can't be done **/
    font-weight: bolder;
  }
  :host(:hover) .heading,
  :host(:focus) .heading {
    /** give visual indicator of expandability/click-ability since subtle color changes can't be done **/
    text-decoration: underline;
  }
}