/*
 * Accordion
 * 
 * ToC
 * 1. Variables
 * 2. Base
 * 3. Panels
 * 4. Accent Icons
 * 5. Togglers
 * 6. Modern Theme
 * 7. Carded Theme
 * 8. Slide Effect
 */

/* variables */

.accordion-wrapper {
  --accordion-animation-duration: .2s;
  --accordion-toggle-bg: rgb(var(--color-background));
  --accordion-toggle-bg-hover: rgb(var(--color-background));
  --accordion-toggle-bg-active: rgb(var(--color-background));
  --accordion-toggle-text: rgb(var(--color-foreground));
  --accordion-toggle-text-hover: rgb(var(--color-foreground), .9);
  --accordion-toggle-text-active: rgb(var(--color-foreground));
  --accordion-panel-bg: rgb(var(--color-background));
  --accordion-panel-text: rgb(var(--color-foreground));
  --accordion-section-border: 2px solid rgb(var(--color-foreground), 0);
  --accordion-section-border-active: 2px solid rgb(var(--color-foreground), 0.2);
  --accordion-icon-size: 28px;
  --accordion-icon-stroke-width: 1.5px;
  position: relative;
}

/* base */

.accordion {
  overflow: hidden;
}

.accordion__section + .accordion__section {
  border-top: var(--accordion-section-border);
}

.accordion__section[open], 
.accordion__section[open] + .accordion__section {
  border-top: var(--accordion-section-border-active);
}

/* panels */

.accordion__panel {
  background-color: var(--accordion-panel-bg);
  color: var(--accordion-panel-text);
  padding: .75rem;
}

.accordion__panel-inner {
  /* animation: accordion-entry-animation .4s ease-in-out; */
}

/* accent icons */

.accordion__accent-icon {
  display: block;
  margin-right: 0.55em;
  object-fit: contain;
}

.accordion__accent-icon svg {
  display: block;
  fill: currentColor;
}

.accordion--icon-left .accordion__accent-icon {
  margin-left: auto;
  margin-right: 0;
}

/* togglers */

.accordion__toggler {
  align-items: center;
  background-color: var(--accordion-toggle-bg);
  color: var(--accordion-toggle-text);
  cursor: pointer;
  display: flex;
  list-style: none;
  padding: 1.25rem .75rem;
  text-align: left;
  transition: background-color .2s ease, color .2s ease;
  width: 100%;
}

.accordion__section[open] .accordion__toggler {
  background-color: var(--accordion-toggle-bg-active);
  color: var(--accordion-toggle-text-active);
}

.accordion--icon-left .accordion__toggler {
  justify-content: flex-end;
  flex-flow: row-reverse;
}

.accordion--density-compact .accordion__toggler {
  padding: .75rem;
}

.accordion--density-expanded .accordion__toggler {
  padding: 1.75rem .75rem;
}

.accordion__toggler::-webkit-details-marker {
  display: none;
}

.accordion__icon {
  width: var(--accordion-icon-size);
}

/* .accordion--icon-left .accordion__icon {
  margin-left: auto;
  margin-right: 0;
} */

.accordion__toggler:focus .accordion__icon {
  box-shadow: 0 0 0 3px rgb(var(--color-primary), 0.4);
}

.accordion__toggler:hover {
  background-color: var(--accordion-toggle-bg-hover);
  color: var(--accordion-toggle-text-hover);
}

.accordion__icon-group {
  stroke-width: var(--accordion-icon-stroke-width);
}

@keyframes accordion-entry-animation {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0px);
  }
}

.accordion__icon {
  border-radius: 50%;
  padding: 3px;
}

.accordion--icon-right .accordion__icon {
  margin-left: auto;
}

.accordion--icon-left .accordion__icon {
  margin-right: 1em;
}

.accordion__icon-group {
  will-change: transform;
  transform-origin: 8px 8px;
  transition: transform .3s ease-in-out;
}

.accordion__icon-group > * {
  transform-origin: 8px 8px;
  transition: transform .3s, stroke-dashoffset .3s;
  transition-timing-function: ease-in-out;
}

.accordion__icon--arrow .accordion__icon-group > * {
  stroke-dasharray: 17;
  transform: translateY(3px);
}

.accordion__icon--arrow .accordion__icon-group > *:first-child {
  stroke-dashoffset: 8.5;
}

.accordion__section[open] .accordion__icon--arrow .accordion__icon-group > *:first-child {
  transform: translateY(-3px) rotate(-90deg);
}

.accordion__icon--arrow .accordion__icon-group > *:last-child {
  stroke-dashoffset: 8.5;
}

.accordion__section[open] .accordion__icon--arrow .accordion__icon-group > *:last-child {
  transform: translateY(-3px) rotate(90deg);
}

.accordion__icon--plus .accordion__icon-group {
  transform: rotate(-45deg);
}

.accordion__section[open] .accordion__icon--plus .accordion__icon-group {
  transform: rotate(45deg);
}

.accordion__icon--plus .accordion__icon-group > *:first-child {
  transform: rotate(-180deg);
}

.accordion__section[open] .accordion__icon--plus .accordion__icon-group > *:first-child {
  transform: rotate(-90deg);
}

/* modern theme */

.accordion--theme-modern {
  border-radius: 10px;
  border-width: 0;
  box-shadow: 0 2px 20px -7px rgba(0, 0, 0, 0.2), 0 10px 30px -7px rgba(0, 0, 0, 0.15);
  margin-left: -20px;
  margin-right: -20px;
}

@media (min-width: 768px) {
  .accordion--theme-modern {
    margin-left: 0;
    margin-right: 0;
  }
}

.accordion--theme-modern .accordion__toggler {
  flex-wrap: wrap;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  transition: background-color .2s ease;
}

/* .accordion--theme-modern .accordion__icon {
  display: none;
} */

.accordion--theme-modern .accordion__title {
  opacity: .65;
}

.accordion--theme-modern .accordion__emphasis-text {
  flex: 1 100%;
  font-size: 2em;
  font-weight: 700;
}

.accordion--theme-modern .accordion__panel {
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* carded theme */

.accordion--theme-carded {
  border-radius: var(--card-radius);
  border: var(--card-border);
}

.accordion--theme-carded .accordion__toggler {
  padding-left: 1rem;
  padding-right: 1rem;
}

.accordion--theme-carded .accordion__panel {
  padding: 1rem;
}

/* slide effect */

.accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: all ease-in-out 0.5s;
  overflow: hidden;
}

[open] .accordion__panel {
  animation: panelOpen var(--accordion-animation-duration) 0s 1 normal forwards;
}

.accordion__section--closing .accordion__panel {
  animation: panelClose var(--accordion-animation-duration) 0s 1 normal forwards;
}

.accordion__panel > div {
  overflow: hidden;
}

.accordion__panel-inner > div {
  padding: 0.75rem;
}

/* opening animation */
@keyframes panelOpen {
  from {
    grid-template-rows: 0fr;
  }
  to {
    grid-template-rows: 1fr;
  }
}

/* closing animation */
@keyframes panelClose {
  from {
    grid-template-rows: 1fr;
  }
  to {
    grid-template-rows: 0fr;
  }
}