/* =============================================================
   EVENTS & PUBLICATIONS PAGE
============================================================= */

.ep-tabs-bar {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 60px;
    z-index: 50;
}

.ep-tabs { display: flex; gap: 0; overflow-x: auto; scrollbar-width: none; }
.ep-tabs::-webkit-scrollbar { display: none; }

.ep-tab {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-dim);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 18px 28px;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.ep-tab:hover { color: var(--text); }
.ep-tab.active { color: var(--gold); border-bottom-color: var(--gold); }

/* Featured event */
.featured-event {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition);
}

.featured-event:hover { border-color: var(--border-hover); box-shadow: 0 24px 64px rgba(0,0,0,0.4); }

.featured-event-image { position: relative; min-height: 360px; }

.featured-event-image .event-img-placeholder {
    width: 100%; height: 100%; min-height: 360px;
    border-radius: 0; border: none; border-right: 1px solid var(--border);
}

.featured-badge {
    position: absolute; top: 20px; left: 20px;
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: var(--bg);
    font-size: 0.68rem; font-weight: 700; letter-spacing: 0.2em;
    text-transform: uppercase; padding: 5px 12px; border-radius: var(--radius-pill);
}

.featured-event-body {
    padding: 48px 40px;
    display: flex; flex-direction: column; justify-content: center;
}

.featured-event-title {
    font-family: var(--font-heading);
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    color: var(--text); margin: 14px 0 16px; line-height: 1.15;
}

.featured-event-desc { font-size: 0.95rem; margin-bottom: 20px; }

.featured-event-venue {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 0.85rem; color: var(--text-dim);
}

.featured-event-venue svg { color: var(--gold); flex-shrink: 0; }

/* Event meta */
.event-meta-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 4px; }

.event-badge {
    font-size: 0.68rem; font-weight: 700; letter-spacing: 0.15em;
    text-transform: uppercase; padding: 4px 12px; border-radius: var(--radius-pill);
}

.event-badge--crimson { background: rgba(var(--crimson-rgb),0.15); color: var(--crimson-light); border: 1px solid rgba(var(--crimson-rgb),0.3); }
.event-badge--gold    { background: rgba(var(--gold-rgb),0.12); color: var(--gold); border: 1px solid rgba(var(--gold-rgb),0.25); }
.event-badge--saffron { background: rgba(var(--saffron-rgb),0.12);  color: var(--saffron); border: 1px solid rgba(var(--saffron-rgb),0.25); }

.event-date-chip { display: inline-flex; align-items: center; gap: 5px; font-size: 0.78rem; color: var(--text-dim); }
.event-date-chip svg { color: var(--gold); }

/* Events grid */
.events-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.event-card { overflow: hidden;
}

.event-card:hover { border-color: var(--border-hover); transform: translateY(-5px); box-shadow: 0 20px 48px rgba(0,0,0,0.35); }

.event-card-image { position: relative; height: 200px; }
.event-card-image .event-badge { position: absolute; top: 14px; left: 14px; z-index: 1; }
.event-card-image .event-img-placeholder { height: 100%; border-radius: 0; border: none; border-bottom: 1px solid var(--border); }
.event-card-body { padding: 24px; }

.event-card-title { font-family: var(--font-heading); font-size: 1.25rem; color: var(--text); margin: 10px 0; line-height: 1.3; }
.event-card-desc  { font-size: 0.88rem; margin-bottom: 12px; }
.event-card-venue { display: inline-flex; align-items: center; gap: 6px; font-size: 0.8rem; color: var(--text-dim); }
.event-card-venue svg { color: var(--gold); }

.event-img-placeholder {
    width: 100%; height: 100%;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 8px; background: var(--bg-surface);
    border: 1px dashed rgba(var(--gold-rgb),0.15); border-radius: var(--radius-md);
    color: var(--text-dim); font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase;
}

/* Filter buttons */
.past-filter-row { display: flex; gap: 10px; flex-wrap: wrap; }

.filter-btn {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-pill);
    color: var(--text-dim); font-family: var(--font-body);
    font-size: 0.8rem; font-weight: 600; letter-spacing: 0.06em;
    text-transform: uppercase; padding: 8px 20px; cursor: pointer; transition: var(--transition);
}

.filter-btn:hover { border-color: var(--border-hover); color: var(--text); }
.filter-btn.active {
    background: linear-gradient(135deg, var(--crimson), var(--crimson-dark));
    border-color: transparent; color: var(--text); box-shadow: 0 4px 16px rgba(var(--crimson-rgb),0.3);
}

/* Past events */
.past-events-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.past-event-card { overflow: hidden;
}

.past-event-card:hover { border-color: var(--border-hover); transform: translateY(-5px); box-shadow: 0 20px 48px rgba(0,0,0,0.35); }

.past-event-image { height: 200px; position: relative; overflow: hidden; }
.past-event-image .event-img-placeholder { height: 100%; border-radius: 0; border: none; }

.past-event-overlay {
    position: absolute; bottom: 0; left: 0; right: 0;
    background: linear-gradient(to top, rgba(var(--bg-rgb),0.85), transparent);
    padding: 16px;
}

.past-event-date { font-size: 0.75rem; font-weight: 600; color: var(--gold); letter-spacing: 0.1em; text-transform: uppercase; }
.past-event-body { padding: 20px; }

.event-category-tag { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--saffron); display: block; margin-bottom: 8px; }
.past-event-title  { font-family: var(--font-heading); font-size: 1.15rem; color: var(--text); margin-bottom: 10px; line-height: 1.3; }
.past-event-summary { font-size: 0.85rem; line-height: 1.75; }

/* Publications */
.publications-grid { display: flex; flex-direction: column; gap: 16px; }

.pub-card {
    display: grid; grid-template-columns: 72px 1fr auto;
    gap: 24px; align-items: center; padding: 24px 28px;
}

.pub-card:hover { border-color: var(--border-hover); transform: translateX(6px); box-shadow: 0 8px 32px rgba(0,0,0,0.3); }

.pub-icon {
    width: 56px; height: 56px; background: rgba(var(--gold-rgb),0.08);
    border: 1px solid var(--border); border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center; font-size: 1.4rem;
}

.pub-meta-row { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.pub-type-tag { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--saffron); }
.pub-date     { font-size: 0.75rem; color: var(--text-dim); }
.pub-title    { font-family: var(--font-heading); font-size: 1.15rem; color: var(--text); margin-bottom: 6px; }
.pub-desc     { font-size: 0.85rem; line-height: 1.7; }

.pub-download-btn {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(var(--gold-rgb),0.08); border: 1px solid var(--border);
    border-radius: var(--radius-sm); color: var(--gold);
    font-size: 0.78rem; font-weight: 600; letter-spacing: 0.06em;
    text-transform: uppercase; padding: 10px 18px;
    transition: var(--transition); white-space: nowrap;
}

.pub-download-btn:hover { background: var(--gold); border-color: var(--gold); color: var(--bg); }
.pub-read-btn { color: var(--text-muted); }

/* Responsive */
@media (max-width: 1024px) {
    .events-grid           { grid-template-columns: 1fr 1fr; }
    .past-events-grid      { grid-template-columns: 1fr 1fr; }
    .featured-event        { grid-template-columns: 1fr; }
    .featured-event-image  { min-height: 260px; }
}

@media (max-width: 768px) {
    .events-grid           { grid-template-columns: 1fr; }
    .past-events-grid      { grid-template-columns: 1fr; }
    .pub-card              { grid-template-columns: 56px 1fr; gap: 16px; }
    .pub-action-col        { grid-column: 1 / -1; }
    .featured-event-body   { padding: 28px 24px; }
    .ep-tab                { padding: 14px 18px; font-size: 0.78rem; }
}

/* Publications without an uploaded file yet: same shape as the real button,
   but not clickable and visually muted — distinct from a dead href="#" link
   that looked identical to a working one. */
.pub-action-disabled {
    opacity: 0.45;
    cursor: default;
    pointer-events: none;
}
.pub-action-disabled:hover { background: rgba(var(--gold-rgb),0.08); border-color: var(--border); color: var(--gold); }


/* ============================================================
   PAST EVENTS - minimal image tiles; text reveals on hover
   (desktop) or when the tile scrolls into view (.in-view, touch)
============================================================ */
.past-event-card{
    position: relative; overflow: hidden;
    border-radius: var(--radius-md); aspect-ratio: 4 / 3;
    background: var(--bg-card); border: 1px solid var(--border);
    transition: transform .4s ease, box-shadow .4s ease, border-color .4s ease;
}
.past-event-card:hover{ transform: translateY(-5px); box-shadow: 0 20px 48px rgba(0,0,0,0.35); border-color: var(--border-hover); }
.past-event-image{ position: absolute; inset: 0; height: 100%; width: 100%; }
.past-event-image img{ width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s ease; }
.past-event-card:hover .past-event-image img{ transform: scale(1.07); }
.past-event-hover{
    position: absolute; inset: 0;
    display: flex; flex-direction: column; justify-content: flex-end;
    padding: 22px; gap: 6px;
    background: linear-gradient(to top, rgba(var(--bg-rgb),0.95) 0%, rgba(var(--bg-rgb),0.6) 42%, rgba(var(--bg-rgb),0) 100%);
    opacity: 0; transform: translateY(18px);
    transition: opacity .45s ease, transform .45s ease;
}
.past-event-card:hover .past-event-hover,
.past-event-card.in-view .past-event-hover{ opacity: 1; transform: translateY(0); }
.past-event-hover-meta{ display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.past-event-hover .event-category-tag{ display: inline-block; margin-bottom: 0; }
.past-event-hover .past-event-title{ margin: 4px 0 6px; }
.past-event-hover .past-event-summary{
    color: var(--text-muted);
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
@media (max-width: 768px){ .past-event-card{ aspect-ratio: 16 / 10; } }


/* ============================================================
   UPCOMING EVENT CARDS - image tiles; details reveal on hover
   (desktop) or on scroll-into-view (.in-view, touch). Featured
   event is untouched - this only targets cards in .events-grid.
============================================================ */
.events-grid .event-card{
    position: relative; overflow: hidden;
    aspect-ratio: 4 / 3; border-radius: var(--radius-md);
    background: var(--bg-card); border: 1px solid var(--border);
    transition: transform .4s ease, box-shadow .4s ease, border-color .4s ease;
}
.events-grid .event-card:hover{ transform: translateY(-5px); box-shadow: 0 20px 48px rgba(0,0,0,0.35); border-color: var(--border-hover); }
.events-grid .event-card-image{ position: absolute; inset: 0; height: 100%; width: 100%; }
.events-grid .event-card-image img{ width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s ease; }
.events-grid .event-card:hover .event-card-image img{ transform: scale(1.06); }
.events-grid .event-card .event-img-placeholder{ height: 100%; }
.events-grid .event-card .event-badge{ z-index: 3; }
.event-card-hover{
    position: absolute; inset: 0; z-index: 2;
    display: flex; flex-direction: column; justify-content: flex-end;
    padding: 22px; gap: 6px; pointer-events: none;
    background: linear-gradient(to top, rgba(var(--bg-rgb),0.96) 0%, rgba(var(--bg-rgb),0.6) 45%, rgba(var(--bg-rgb),0) 100%);
    opacity: 0; transform: translateY(18px);
    transition: opacity .45s ease, transform .45s ease;
}
.events-grid .event-card:hover .event-card-hover,
.events-grid .event-card.in-view .event-card-hover{ opacity: 1; transform: translateY(0); pointer-events: auto; }
.event-card-hover .event-card-title{ margin: 6px 0 4px; }
.event-card-hover .event-card-desc{
    color: var(--text-muted);
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.event-card-hover .btn{ align-self: flex-start; }