/**
 * FAQ accordion — application/blocks/faq/templates/accordion/view.css
 * Concrete loads this automatically because it sits next to view.php.
 *
 * Deliberately quiet so it inherits the theme's type and colour. Override the
 * custom properties below in your theme stylesheet to restyle it.
 */

.faq-accordion {
    --faq-rule: rgba(0, 0, 0, 0.12);
    --faq-accent: currentColor;
    --faq-question-size: 1.0625rem;
    --faq-gap: 1.125rem;
    --faq-speed: 240ms;

    border-top: 1px solid var(--faq-rule);
}

.faq-accordion__title {
    margin: 0 0 var(--faq-gap);
}

.faq-accordion__item {
    border-bottom: 1px solid var(--faq-rule);
}

.faq-accordion__heading {
    margin: 0;
    font-size: inherit;
    font-weight: inherit;
    line-height: inherit;
}

.faq-accordion__trigger {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    width: 100%;
    padding: var(--faq-gap) 0;
    border: 0;
    background: none;
    color: inherit;
    font: inherit;
    font-size: var(--faq-question-size);
    font-weight: 600;
    line-height: 1.4;
    text-align: left;
    cursor: pointer;
}

.faq-accordion__trigger:hover .faq-accordion__question {
    text-decoration: underline;
    text-underline-offset: 0.15em;
}

.faq-accordion__trigger:focus-visible {
    outline: 2px solid var(--faq-accent);
    outline-offset: 3px;
}

/* Chevron. Rotates to point up while the answer is open. */
.faq-accordion__marker {
    flex: 0 0 auto;
    width: 0.6em;
    height: 0.6em;
    margin-top: 0.3em;
    border-right: 2px solid var(--faq-accent);
    border-bottom: 2px solid var(--faq-accent);
    opacity: 0.65;
    transform: rotate(45deg);
    transform-origin: 60% 60%;
    transition: transform var(--faq-speed) ease;
}

.faq-accordion__trigger[aria-expanded='true'] .faq-accordion__marker {
    transform: rotate(-135deg);
}

.faq-accordion__answer {
    padding-bottom: var(--faq-gap);
}

.faq-accordion__answer > :first-child {
    margin-top: 0;
}

.faq-accordion__answer > :last-child {
    margin-bottom: 0;
}

/* Collapsing only applies once view.js has initialised, so the answers stay
   readable if JavaScript never runs. */
.faq-accordion[data-faq-ready] .faq-accordion__panel {
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    transition: max-height var(--faq-speed) ease, visibility var(--faq-speed);
}

.faq-accordion[data-faq-ready] .faq-accordion__item.is-open .faq-accordion__panel {
    visibility: visible;
}

.faq-accordion__empty {
    padding: var(--faq-gap) 0;
    opacity: 0.7;
}

/* Hide the chevron when there is nothing to toggle. */
.faq-accordion--edit .faq-accordion__marker {
    display: none;
}

@media (prefers-reduced-motion: reduce) {
    .faq-accordion[data-faq-ready] .faq-accordion__panel,
    .faq-accordion__marker {
        transition-duration: 1ms;
    }
}