/* Events section — landing cards, detail pages, gallery and document list.
   Colours lean on the shared brand tokens (--tla-ink / --tla-accent) so the
   section flips with dark mode; surface overrides live in css/dark-theme.css. */

.events-content {
    color: var(--tla-ink);
}

/* --- Row of link buttons (shown on every Events page) ---
   Sized with clamp() rather than breakpoints so the row scales smoothly with
   the viewport: compact on phones, large on desktop, no jump in between. */
.events-nav {
    gap: clamp(0.5rem, 0.3rem + 0.7vw, 1rem);
    margin-bottom: clamp(1.5rem, 0.9rem + 2vw, 3rem);
}

.events-btn {
    display: inline-flex;
    align-items: center;
    gap: clamp(0.35rem, 0.25rem + 0.35vw, 0.6rem);
    padding: clamp(0.4rem, 0.28rem + 0.4vw, 0.6rem) clamp(0.75rem, 0.4rem + 1.2vw, 1.4rem);
    font-size: clamp(0.85rem, 0.75rem + 0.42vw, 1.25rem);
    font-weight: 600;
    line-height: 1.35;
    color: #1f2330;
    background: var(--tla-accent);
    border: 2px solid var(--tla-accent);
    border-radius: clamp(7px, 6px + 0.25vw, 10px);
    transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

/* Long category names shouldn't force a button wider than the phone. */
.events-btn > span {
    min-width: 0;
}

@media (max-width: 575.98px) {
    .events-btn {
        max-width: 100%;
    }
}

.events-btn:hover,
.events-btn:focus-visible {
    color: #000;
    background: var(--tla-accent-dark, #d9a800);
    border-color: var(--tla-accent-dark, #d9a800);
    transform: translateY(-2px);
}

.events-btn.active {
    color: #1f2330;
    background: var(--tla-accent);
    border-color: #1f2330;
}

@media (prefers-reduced-motion: reduce) {
    .events-btn {
        transition: none;
    }
}

/* Back link to the section landing page, above the category title. */
.events-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--tla-muted, #5b6172);
    text-decoration: none;
}

.events-back:hover,
.events-back:focus-visible {
    color: var(--tla-accent-dark, #d9a800);
}

/* Category blurb under the title on a category page. */
.events-detail-lead {
    margin: -0.25rem 0 1.5rem;
    color: var(--tla-muted, #5b6172);
}

/* Editable intro block above the cards on a section landing page. */
.section-intro-body {
    margin-bottom: 2rem;
}

/* --- Detail area (per-page content) --- */
.events-detail {
    max-width: 900px;
    margin: 0 auto;
}

/* Each item rendered on a category page. */
.event-item + .event-item {
    margin-top: 2.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid #e6e6e6;
}

.event-item-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.events-detail-title {
    font-size: 1.9rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-bottom: 1.5rem;
}

.events-detail-image {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 14px;
    margin-bottom: 1.75rem;
    box-shadow: rgba(0, 0, 0, 0.12) 0px 10px 30px;
}

.events-media-frame {
    display: block;
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    margin-bottom: 1.75rem;
    border-radius: 14px;
    overflow: hidden;
    background: #000;
    box-shadow: rgba(0, 0, 0, 0.12) 0px 10px 30px;
}

.events-media-frame iframe,
.events-media-frame video,
.events-media-frame img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    object-fit: cover;
}

/* Older media items: a responsive row of smaller thumbnails under the
   featured (latest) item. Mobile-first — collapses to one column on narrow
   screens, more per row as space allows. */
.events-media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid #e6e6e6;
}

.events-media-card .events-media-frame {
    margin-bottom: 0.65rem;
    box-shadow: rgba(0, 0, 0, 0.1) 0px 6px 18px;
}

.events-media-card-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

.events-detail-body {
    font-size: 1.05rem;
    line-height: 1.7;
}

.events-detail-body :last-child {
    margin-bottom: 0;
}

.events-detail-body img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

.events-empty {
    color: var(--tla-muted, #5b6172);
    font-style: italic;
}

/* --- Image gallery --- */
.events-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.events-gallery-item {
    display: block;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: 12px;
    border: 1px solid #e6e6e6;
}

.events-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.events-gallery-item:hover img {
    transform: scale(1.05);
}

/* --- Document categories (collapsible, mobile-first) --- */
.events-doc-category {
    background: #fff;
    border: 1px solid #e6e6e6;
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.events-doc-category-summary {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
}

/* Hide the native disclosure triangle across browsers. */
.events-doc-category-summary::-webkit-details-marker {
    display: none;
}

.events-doc-category-name {
    flex: 1 1 auto;
    min-width: 0;
}

.events-doc-category-count {
    flex: 0 0 auto;
    background: var(--tla-accent);
    color: #1f2330;
    border-radius: 999px;
    padding: 0.1rem 0.6rem;
    font-size: 0.8rem;
    font-weight: 700;
}

.events-doc-category-summary::after {
    content: "\25be"; /* ▾ */
    flex: 0 0 auto;
    color: var(--tla-muted, #5b6172);
    transition: transform 0.2s ease;
}

.events-doc-category[open] > .events-doc-category-summary::after {
    transform: rotate(180deg);
}

.events-doc-category .events-doc-list {
    margin: 0;
    padding: 0 1rem 1rem;
}

/* --- Document list --- */
.events-doc-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* A row is the document link plus its optional Classroom button. They stack on
   phones so neither gets squeezed to an untappable width. */
.events-doc-row {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 0.5rem;
}

.events-doc-row > .events-doc-link {
    flex: 1 1 16rem;
    min-width: 0;
}

.events-doc-classroom {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0 1rem;
    background: #fff;
    border: 1px solid #e6e6e6;
    border-radius: 12px;
    color: var(--tla-ink);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    transition: border-color 0.2s ease;
}

.events-doc-classroom:hover,
.events-doc-classroom:focus-visible {
    border-color: var(--tla-accent);
    color: var(--tla-ink);
}

.events-doc-classroom-icon {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

@media (max-width: 575.98px) {
    .events-doc-classroom {
        flex: 1 1 100%;
        padding: 0.6rem 1rem;
    }
}

.events-doc-link {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 1rem 1.25rem;
    background: #fff;
    border: 1px solid #e6e6e6;
    border-radius: 12px;
    text-decoration: none;
    color: var(--tla-ink);
    font-weight: 600;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.events-doc-link:hover,
.events-doc-link:focus-visible {
    border-color: var(--tla-accent);
    transform: translateX(4px);
    color: var(--tla-ink);
}

.events-doc-link > span {
    flex: 1 0 auto;
}

.events-doc-download {
    color: var(--tla-accent-dark, #d9a800);
}

@media (prefers-reduced-motion: reduce) {
    .events-card,
    .events-card-cta i,
    .events-gallery-item img,
    .events-doc-link {
        transition: none;
    }
}