/* 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-scale {
  0% {
    opacity: 0;
    transform: scale3D(0.95, 0.95, 1);
  }

  100% {
    opacity: 1;
    transform: scale3D(1, 1, 1);
  }
}

/**
* Currently only used in Checkbox.
*/

:root {
  --calcite-popper-transition: 150ms ease-in-out;
}

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

.icon-position--start {
  --calcite-accordion-item-flex-direction: row-reverse;
  --calcite-accordion-item-icon-rotation: 90deg;
  --calcite-accordion-item-active-icon-rotation: 180deg;
  --calcite-accordion-item-icon-rotation-rtl: -90deg;
  --calcite-accordion-item-active-icon-rotation-rtl: -180deg;
  --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-rotation: -90deg;
  --calcite-accordion-item-active-icon-rotation: 0;
  --calcite-accordion-item-icon-rotation-rtl: 90deg;
  --calcite-accordion-item-active-icon-rotation-rtl: 0;
  --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: 0;
  --calcite-accordion-item-active-icon-rotation: 180deg;
  --calcite-accordion-item-icon-rotation-rtl: 0;
  --calcite-accordion-item-active-icon-rotation-rtl: -180deg;
}

:host {
  --calcite-accordion-item-background: var(--calcite-ui-foreground-1);
}

:host-context([appearance=minimal]) {
  --calcite-accordion-item-padding: var(--calcite-accordion-item-spacing-unit) 0;
}

:host-context([appearance=transparent]) {
  --calcite-accordion-item-border: transparent;
  --calcite-accordion-item-background: transparent;
}

:host {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  outline: 2px solid transparent;
  outline-offset: 2px;
  position: relative;
  color: var(--calcite-ui-text-3);
  background-color: var(--calcite-accordion-item-background);
  --calcite-accordion-item-border: var(--calcite-ui-border-2);
}

:host .accordion-item-header {
  outline-offset: 0;
  outline-color: transparent;
  transition: outline-offset 100ms ease-in-out, outline-color 100ms ease-in-out;
}

:host(:focus) .accordion-item-header {
  outline: 2px solid var(--calcite-ui-brand);
  outline-offset: -2px;
}

:host([active]) {
  color: var(--calcite-ui-text-1);
}

:host([active]) .accordion-item-content {
  display: block;
  color: var(--calcite-ui-text-1);
}

:host([active]) .accordion-item-header {
  border-bottom-color: transparent;
}

:host .accordion-item-header {
  display: flex;
  align-items: center;
  cursor: pointer;
  flex-direction: var(--calcite-accordion-item-flex-direction);
}

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

.calcite--rtl .accordion-item-icon {
  margin-left: var(--calcite-accordion-item-icon-spacing-start);
  margin-right: var(--calcite-accordion-item-icon-spacing-end);
}

:host .accordion-item-content,
:host .accordion-item-header {
  padding: var(--calcite-accordion-item-padding);
  border-bottom: 1px solid var(--calcite-accordion-item-border);
}

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

:host .accordion-item-content {
  display: none;
  color: var(--calcite-ui-text-3);
  padding-top: 0;
  text-align: initial;
}

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

.calcite--rtl .accordion-item-expand-icon {
  margin-left: var(--calcite-accordion-item-icon-spacing-end);
  margin-right: var(--calcite-accordion-item-icon-spacing-start);
  transform: rotate(var(--calcite-accordion-item-icon-rotation-rtl));
}

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

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

:host .accordion-item-header-text {
  flex-direction: column;
  flex-grow: 1;
  margin-top: 0;
  margin-bottom: 0;
  padding-top: 0;
  padding-bottom: 0;
  margin-right: auto;
  text-align: initial;
}

.calcite--rtl .accordion-item-header-text {
  margin-right: 0;
  margin-left: auto;
}

:host .accordion-item-title,
:host .accordion-item-subtitle {
  display: flex;
  width: 100%;
}

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

:host .accordion-item-subtitle {
  color: var(--calcite-ui-text-3);
  margin-top: 0.25rem;
}

.calcite--rtl .accordion-item-title {
  margin-right: 0;
  margin-left: auto;
}

:host(:focus) .accordion-item-title,
:host(:hover) .accordion-item-title {
  color: var(--calcite-ui-text-1);
}

:host(:focus) .accordion-item-icon,
:host(:hover) .accordion-item-icon {
  color: var(--calcite-ui-text-1);
}

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

:host(:focus) .accordion-item-subtitle,
:host(:hover) .accordion-item-subtitle {
  color: var(--calcite-ui-text-2);
}

:host(:focus) .accordion-item-title,
:host(:active) .accordion-item-title,
:host([active]) .accordion-item-title {
  color: var(--calcite-ui-text-1);
}

:host(:focus) .accordion-item-icon,
:host(:active) .accordion-item-icon,
:host([active]) .accordion-item-icon {
  color: var(--calcite-ui-text-1);
}

:host(:focus) .accordion-item-expand-icon,
:host(:active) .accordion-item-expand-icon,
:host([active]) .accordion-item-expand-icon {
  color: var(--calcite-ui-text-1);
}

:host(:focus) .accordion-item-subtitle,
:host(:active) .accordion-item-subtitle,
:host([active]) .accordion-item-subtitle {
  color: var(--calcite-ui-text-2);
}