/*
 * Styles for migrated Contao gallery content elements.
 * Markup contract:
 *   <div class="bw-gallery" data-bw-gallery="g-NN">
 *     <a class="bw-gallery__item" data-gallery="g-NN" href="...">
 *       <img loading="lazy" src="..." alt="...">
 *     </a>
 *   </div>
 *
 * Year accordions use the same markup the migrator emits for accordionStart
 * (`<details class="ce-accordion"><summary>...</summary>...</details>`); we
 * give them a slightly more clickable treatment here.
 */

.bw-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 6px;
    margin: 0.75rem 0 1.25rem;
    padding: 0;
    list-style: none;
}

.bw-gallery__item {
    display: block;
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    background: #f0f4fb;
    aspect-ratio: 1 / 1;
    text-decoration: none;
    line-height: 0;
}

.bw-gallery__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.25s ease, opacity 0.25s ease;
    display: block;
}

.bw-gallery__item:hover img,
.bw-gallery__item:focus-visible img {
    transform: scale(1.04);
    opacity: 0.9;
}

.bw-gallery__item:focus-visible {
    outline: 2px solid var(--template-link-color, #1a4ea0);
    outline-offset: 2px;
}

/* Year accordions on /fotoarchiv */
details.ce-accordion {
    margin: 0.5rem 0;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 4px;
    background: #fff;
}

details.ce-accordion > summary {
    cursor: pointer;
    padding: 0.6rem 0.9rem;
    font-weight: 600;
    list-style: none;
    background: #f0f4fb;
    border-radius: 4px;
    user-select: none;
}

details.ce-accordion[open] > summary {
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 4px 4px 0 0;
}

details.ce-accordion > summary::-webkit-details-marker {
    display: none;
}

details.ce-accordion > summary::after {
    content: "\25BE"; /* down triangle */
    float: right;
    transition: transform 0.2s ease;
}

details.ce-accordion[open] > summary::after {
    transform: rotate(180deg);
}

details.ce-accordion > *:not(summary) {
    padding: 0 0.9rem;
}

details.ce-accordion > h4,
details.ce-accordion h4 {
    margin-top: 1rem;
    margin-bottom: 0.4rem;
    font-size: 1.05rem;
}