/* ============================================
   Events Listing & Detail Styles
   ============================================ */

/* ---- Listing Page ---- */
.casc-events {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--casc-space-lg) var(--casc-space-md);
}

.casc-events__header {
    margin-bottom: var(--casc-space-md);
}

.casc-events__title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--casc-text, #111827);
    margin: 0;
}

.casc-events__section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--casc-text, #111827);
    margin: var(--casc-space-lg) 0 var(--casc-space-md);
}

/* Featured Event Hero */
.casc-events-hero {
    position: relative;
    min-height: 420px;
    display: flex;
    align-items: center;
    background-color: var(--casc-base-dark, #011627);
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.casc-events-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(1, 22, 39, 0.92) 0%,
        rgba(39, 39, 49, 0.88) 50%,
        rgba(99, 146, 255, 0.75) 100%
    );
}

.casc-events-hero__content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: var(--casc-space-xl, 48px) var(--casc-space-lg, 32px);
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

.casc-events-hero__badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--casc-space-sm, 12px);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.casc-events-hero__title {
    font-size: 2.5rem;
    font-weight: 800;
    color: #fff;
    margin: 0 0 var(--casc-space-sm, 12px);
    line-height: 1.15;
}

.casc-events-hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--casc-space-md, 16px);
    margin-bottom: var(--casc-space-sm, 12px);
}

.casc-events-hero__meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

.casc-events-hero__meta-item svg {
    flex-shrink: 0;
    color: rgba(255, 255, 255, 0.7);
}

.casc-events-hero__time-sep {
    margin: 0 2px;
    opacity: 0.6;
}

.casc-events-hero__excerpt {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin: 0 0 var(--casc-space-md, 16px);
    max-width: 640px;
}

.casc-events-hero__actions {
    display: flex;
    gap: var(--casc-space-sm, 12px);
    flex-wrap: wrap;
}

/* Events Grid */
.casc-events__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--casc-space-md, 16px);
}

/* Event Card */
.casc-events__card {
    display: block;
    border: 1px solid var(--casc-border, #e5e7eb);
    border-radius: var(--casc-radius, 8px);
    overflow: hidden;
    background: var(--casc-bg, #fff);
    text-decoration: none;
    color: inherit;
    transition: box-shadow 0.15s, transform 0.15s;
}

.casc-events__card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.casc-events__card--past {
    opacity: 0.75;
}

.casc-events__card--past:hover {
    opacity: 1;
}

.casc-events__card-img {
    width: 100%;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    display: block;
}

.casc-events__card-placeholder {
    aspect-ratio: 3 / 2;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--casc-gray-50, #f9fafb);
    color: var(--casc-text-secondary, #9ca3af);
}

.casc-events__card-body {
    padding: var(--casc-space-sm, 12px) var(--casc-space-md, 16px);
}

.casc-events__card-badge {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 1px 8px;
    border-radius: 999px;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.casc-events__card-badge--upcoming {
    background: #f0fdf4;
    color: #15803d;
}

.casc-events__card-badge--past {
    background: #fffbeb;
    color: #92400e;
}

.casc-events__card-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--casc-text, #111827);
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.casc-events__card-date {
    font-size: 0.8125rem;
    color: var(--casc-primary, #2563eb);
    font-weight: 500;
    margin-bottom: 2px;
}

.casc-events__card-location {
    font-size: 0.8125rem;
    color: var(--casc-text-secondary, #9ca3af);
}

/* Pagination */
.casc-events__pagination {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-top: var(--casc-space-xl);
}

.casc-events__pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 8px;
    font-size: 0.875rem;
    border: 1px solid var(--casc-border, #d1d5db);
    border-radius: var(--casc-radius-sm, 6px);
    background: var(--casc-bg, #fff);
    color: var(--casc-text, #111827);
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
}

.casc-events__pagination .page-numbers:hover,
.casc-events__pagination .page-numbers.current {
    background: var(--casc-primary, #2563eb);
    border-color: var(--casc-primary, #2563eb);
    color: #fff;
}

/* Empty */
.casc-events__empty {
    text-align: center;
    padding: var(--casc-space-xl, 48px) var(--casc-space-md);
    color: var(--casc-text-secondary, #6b7280);
}

/* ---- Detail Page ---- */
.casc-event-detail {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--casc-space-lg) var(--casc-space-md);
}

.casc-event-detail__back {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.875rem;
    color: var(--casc-primary, #2563eb);
    text-decoration: none;
    margin-bottom: var(--casc-space-md);
}

.casc-event-detail__back:hover {
    text-decoration: underline;
}

/* Hero image */
.casc-event-detail__hero-img {
    border-radius: var(--casc-radius, 8px);
    overflow: hidden;
    margin-bottom: var(--casc-space-lg);
    max-height: 400px;
}

.casc-event-detail__hero-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Carousel */
.casc-event-detail__carousel {
    position: relative;
    border-radius: var(--casc-radius, 8px);
    overflow: hidden;
    margin-bottom: var(--casc-space-lg);
    max-height: 400px;
}

.casc-event-detail__carousel-track {
    display: flex;
    transition: transform 0.4s ease;
}

.casc-event-detail__carousel-slide {
    flex: 0 0 100%;
    max-height: 400px;
}

.casc-event-detail__carousel-slide img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
}

.casc-event-detail__carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    color: var(--casc-text, #111827);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transition: background 0.15s;
    z-index: 2;
}

.casc-event-detail__carousel-btn:hover {
    background: #fff;
}

.casc-event-detail__carousel-btn--prev {
    left: 12px;
}

.casc-event-detail__carousel-btn--next {
    right: 12px;
}

.casc-event-detail__carousel-dots {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    z-index: 2;
}

.casc-event-detail__carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.8);
    background: transparent;
    cursor: pointer;
    padding: 0;
    transition: background 0.15s;
}

.casc-event-detail__carousel-dot.is-active {
    background: #fff;
}

/* Header */
.casc-event-detail__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--casc-space-md);
    margin-bottom: var(--casc-space-md);
}

.casc-event-detail__header-info {
    min-width: 0;
}

.casc-event-detail__title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--casc-text, #111827);
    margin: 0;
}

.casc-event-detail__badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 3px 12px;
    border-radius: 999px;
    margin-bottom: var(--casc-space-xs);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.casc-event-detail__badge--upcoming {
    background: #f0fdf4;
    color: #15803d;
}

.casc-event-detail__badge--past {
    background: #fffbeb;
    color: #92400e;
}

/* Meta */
.casc-event-detail__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--casc-space-md);
    margin-bottom: var(--casc-space-lg);
    padding-bottom: var(--casc-space-lg);
    border-bottom: 1px solid var(--casc-border, #e5e7eb);
}

.casc-event-detail__meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9375rem;
    color: var(--casc-text, #111827);
}

.casc-event-detail__meta-item svg {
    flex-shrink: 0;
    color: var(--casc-text-secondary, #9ca3af);
}

/* Map */
.casc-event-detail__map {
    width: 100%;
    height: 220px;
    border-radius: 8px;
    margin-top: calc(-1 * var(--casc-space-lg) + 12px);
    margin-bottom: 24px;
}

/* Description */
.casc-event-detail__description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--casc-text, #111827);
    margin-bottom: var(--casc-space-lg);
}

.casc-event-detail__description p {
    margin: 0 0 var(--casc-space-sm);
}

/* Event Materials (collapsible) */
.casc-event-materials {
    border: 1px solid var(--casc-border, #e5e7eb);
    border-radius: var(--casc-radius, 8px);
    margin-bottom: var(--casc-space-lg);
    background: var(--casc-bg, #fff);
}

.casc-event-materials__toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--casc-space-md) var(--casc-space-lg, 24px);
    border: none;
    background: none;
    cursor: pointer;
    text-align: left;
    transition: background 0.15s;
}

.casc-event-materials__toggle:hover {
    background: var(--casc-gray-50, #f9fafb);
}

.casc-event-materials__title {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--casc-text, #111827);
    margin: 0;
}

.casc-event-materials__chevron {
    flex-shrink: 0;
    color: var(--casc-text-secondary, #9ca3af);
    transition: transform 0.2s;
}

.casc-event-materials__toggle[aria-expanded="true"] .casc-event-materials__chevron {
    transform: rotate(180deg);
}

.casc-event-materials__body {
    padding: 0 var(--casc-space-lg, 24px) var(--casc-space-lg, 24px);
}

/* Agenda */
.casc-event-detail__agenda {
    border-top: 1px solid var(--casc-border, #e5e7eb);
    padding-top: var(--casc-space-lg);
}

.casc-event-detail__section-title {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--casc-text, #111827);
    margin: 0 0 var(--casc-space-md);
}

.casc-event-detail__day-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--casc-primary, #2563eb);
    margin: var(--casc-space-md) 0 var(--casc-space-sm);
    padding-bottom: var(--casc-space-xs);
    border-bottom: 2px solid var(--casc-primary, #2563eb);
}

.casc-event-detail__agenda-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.casc-event-detail__agenda-item {
    display: flex;
    gap: var(--casc-space-md);
    padding: var(--casc-space-sm) 0;
    border-bottom: 1px solid var(--casc-gray-100, #f3f4f6);
}

.casc-event-detail__agenda-item:last-child {
    border-bottom: none;
}

.casc-event-detail__agenda-time {
    width: 80px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    padding-top: 2px;
}

.casc-event-detail__agenda-start {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--casc-text, #111827);
}

.casc-event-detail__agenda-end {
    font-size: 0.75rem;
    color: var(--casc-text-secondary, #9ca3af);
}

.casc-event-detail__agenda-content {
    flex: 1;
    min-width: 0;
}

.casc-event-detail__agenda-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--casc-text, #111827);
    margin-bottom: 4px;
}

.casc-event-detail__agenda-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--casc-space-sm);
    font-size: 0.8125rem;
    color: var(--casc-text-secondary, #6b7280);
    margin-bottom: 4px;
}

.casc-event-detail__agenda-speaker {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.casc-event-detail__agenda-speaker svg {
    flex-shrink: 0;
}

.casc-event-detail__agenda-dur {
    color: var(--casc-text-secondary, #9ca3af);
}

.casc-event-detail__agenda-desc {
    font-size: 0.875rem;
    color: var(--casc-text-secondary, #6b7280);
    line-height: 1.5;
    margin-top: 4px;
}

.casc-event-detail__agenda-desc p {
    margin: 0 0 4px;
}

/* Responsive */
@media (max-width: 768px) {
    .casc-events-hero {
        min-height: 320px;
    }

    .casc-events-hero__title {
        font-size: 1.75rem;
    }

    .casc-events-hero__content {
        padding: var(--casc-space-lg, 32px) var(--casc-space-md, 16px);
    }

    .casc-events-hero__meta {
        flex-direction: column;
        gap: var(--casc-space-xs, 8px);
    }

    .casc-events__grid {
        grid-template-columns: 1fr;
    }

    .casc-event-detail__header {
        flex-direction: column;
    }

    .casc-event-detail__carousel-slide img {
        height: 220px;
    }

    .casc-event-detail__carousel {
        max-height: 220px;
    }

    .casc-event-detail__hero-img {
        max-height: 220px;
    }

    .casc-event-detail__agenda-time {
        width: 60px;
    }

    .casc-event-detail__meta {
        flex-direction: column;
        gap: var(--casc-space-xs);
    }
}