/**
 * Events listing page — University of Sierra Leone
 */

.usl-events-page {
    --evt-navy: var(--usl-primary-dark, #0f172a);
    --evt-blue: var(--usl-primary, #1e3a8a);
    --evt-gold: var(--usl-accent, #fbbf24);
    --evt-surface: #f8fafc;
    --evt-card: #ffffff;
    --evt-muted: #64748b;
    --evt-border: rgba(15, 23, 42, 0.08);
    color: #0f172a;
}

/* Hero */
.evt-hero {
    position: relative;
    overflow: hidden;
    padding: 4.5rem 0 3.75rem;
    background:
        radial-gradient(ellipse 75% 55% at 15% 0%, rgba(251, 191, 36, 0.16), transparent 55%),
        radial-gradient(ellipse 65% 50% at 100% 100%, rgba(96, 165, 250, 0.18), transparent 50%),
        linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #172554 100%);
    color: #fff;
}

.evt-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.06;
    background-image: url("data:image/svg+xml,%3Csvg width='52' height='52' viewBox='0 0 52 52' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M26 6v6M26 40v6M6 26h6M40 26h6M11.5 11.5l4.2 4.2M36.3 36.3l4.2 4.2M11.5 40.5l4.2-4.2M36.3 15.7l4.2-4.2' stroke='%23ffffff' stroke-width='1.5' fill='none'/%3E%3Ccircle cx='26' cy='26' r='10' stroke='%23ffffff' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
    pointer-events: none;
}

.evt-hero__inner {
    position: relative;
    z-index: 1;
    max-width: 72rem;
    margin: 0 auto;
    padding: 0 1.5rem;
    text-align: center;
}

.evt-breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin: 0 0 1rem;
    padding: 0;
    list-style: none;
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.72);
}

.evt-breadcrumb a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
}

.evt-breadcrumb a:hover {
    color: #fde68a;
}

.evt-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 0.9rem;
    margin-bottom: 1rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #fde68a;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 999px;
}

.evt-hero__title {
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    font-weight: 800;
    line-height: 1.1;
    margin: 0 0 0.85rem;
    letter-spacing: -0.02em;
}

.evt-hero__lead {
    font-size: clamp(1rem, 2vw, 1.2rem);
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.88);
    max-width: 40rem;
    margin: 0 auto 1.5rem;
}

.evt-hero__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.65rem;
    margin-bottom: 1.75rem;
}

.evt-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.72rem 1.35rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 0.65rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.evt-btn:hover {
    transform: translateY(-2px);
}

.evt-btn--primary {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #0f172a;
    box-shadow: 0 8px 22px rgba(251, 191, 36, 0.32);
}

.evt-btn--ghost {
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
}

.evt-btn--ghost:hover {
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
}

.evt-share-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    margin-bottom: 1.5rem;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.75);
}

.evt-share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 999px;
    color: #fff;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-decoration: none;
    transition: background 0.2s ease, transform 0.2s ease;
}

.evt-share-btn:hover {
    background: rgba(255, 255, 255, 0.24);
    transform: scale(1.05);
    color: #fff;
}

.evt-campus-scroll {
    display: flex;
    gap: 0.55rem;
    overflow-x: auto;
    padding-bottom: 0.35rem;
    margin-bottom: 1.25rem;
    scrollbar-width: none;
}

.evt-campus-scroll::-webkit-scrollbar {
    display: none;
}

.evt-campus-pill {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.95rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 0.6rem;
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.evt-campus-pill:hover,
.evt-campus-pill.is-active {
    background: rgba(255, 255, 255, 0.22);
    border-color: rgba(255, 255, 255, 0.35);
    color: #fff;
}

.evt-hero__stat {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 1rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
}

/* Filters */
.evt-filters {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(248, 250, 252, 0.94);
    border-bottom: 1px solid var(--evt-border);
    backdrop-filter: blur(10px);
    padding: 0.85rem 0;
}

.evt-filters__inner {
    max-width: 72rem;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.55rem;
    overflow-x: auto;
    scrollbar-width: none;
}

.evt-filters__inner::-webkit-scrollbar {
    display: none;
}

.evt-filters__label {
    flex-shrink: 0;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #475569;
}

.evt-filter-pill {
    flex-shrink: 0;
    padding: 0.45rem 0.95rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: #334155;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 999px;
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.evt-filter-pill:hover {
    border-color: var(--evt-blue);
    color: var(--evt-blue);
}

.evt-filter-pill.is-active {
    background: var(--evt-blue);
    border-color: var(--evt-blue);
    color: #fff;
}

/* Sections */
.evt-section {
    padding: 4rem 0;
}

.evt-section--alt {
    background: var(--evt-surface);
}

.evt-container {
    max-width: 72rem;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.evt-section__head {
    text-align: center;
    max-width: 38rem;
    margin: 0 auto 2.5rem;
}

.evt-section__eyebrow {
    display: inline-block;
    margin-bottom: 0.55rem;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--evt-blue);
}

.evt-section__title {
    font-size: clamp(1.65rem, 3.2vw, 2.2rem);
    font-weight: 800;
    margin: 0 0 0.65rem;
    letter-spacing: -0.02em;
}

.evt-section__lead {
    margin: 0;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--evt-muted);
}

/* Event grid */
.evt-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.35rem;
}

@media (min-width: 640px) {
    .evt-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .evt-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 1.5rem;
    }
}

/* Event card */
.evt-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--evt-card);
    border: 1px solid var(--evt-border);
    border-radius: 1.2rem;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.evt-card:hover {
    transform: translateY(-6px);
    border-color: var(--evt-cat-ring, rgba(30, 58, 138, 0.22));
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12);
}

.evt-card--featured {
    border-top: 3px solid var(--evt-cat-color, var(--evt-blue));
}

.evt-card__media {
    position: relative;
    height: 11.5rem;
    overflow: hidden;
    background: var(--evt-cat-gradient, linear-gradient(135deg, #1e3a8a, #312e81));
}

.evt-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.evt-card:hover .evt-card__media img {
    transform: scale(1.05);
}

.evt-card__media-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 35%, rgba(15, 23, 42, 0.55) 100%);
    pointer-events: none;
}

.evt-card__media-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.25);
}

.evt-card__date {
    position: absolute;
    top: 0.85rem;
    left: 0.85rem;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 3.1rem;
    padding: 0.4rem 0.55rem;
    background: #fff;
    border-radius: 0.65rem;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.18);
    line-height: 1.1;
}

.evt-card__date-day {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--evt-cat-color, var(--evt-blue));
}

.evt-card__date-mon {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #64748b;
}

.evt-card__status {
    position: absolute;
    top: 0.85rem;
    right: 0.85rem;
    z-index: 2;
    padding: 0.28rem 0.6rem;
    font-size: 0.62rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-radius: 999px;
    color: #fff;
    background: rgba(5, 150, 105, 0.92);
}

.evt-card__body {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1.15rem 1.2rem 1.1rem;
}

.evt-card__meta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.65rem;
}

.evt-card__cat {
    display: inline-flex;
    padding: 0.25rem 0.6rem;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 999px;
    color: var(--evt-cat-color, var(--evt-blue));
    background: var(--evt-cat-bg, rgba(30, 58, 138, 0.1));
}

.evt-card__time {
    font-size: 0.75rem;
    font-weight: 600;
    color: #64748b;
    white-space: nowrap;
}

.evt-card__title {
    font-size: 1.05rem;
    font-weight: 800;
    line-height: 1.35;
    margin: 0 0 0.55rem;
    color: #0f172a;
    letter-spacing: -0.01em;
}

.evt-card__location {
    display: flex;
    align-items: flex-start;
    gap: 0.4rem;
    margin: 0 0 0.55rem;
    font-size: 0.8rem;
    color: #64748b;
    line-height: 1.45;
}

.evt-card__location i {
    color: var(--evt-cat-color, var(--evt-blue));
    margin-top: 0.15rem;
    flex-shrink: 0;
}

.evt-card__excerpt {
    margin: 0 0 1rem;
    font-size: 0.84rem;
    line-height: 1.55;
    color: #475569;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.evt-card__footer {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding-top: 0.85rem;
    border-top: 1px dashed #e2e8f0;
}

.evt-card__campus {
    font-size: 0.72rem;
    font-weight: 600;
    color: #94a3b8;
}

.evt-card__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.5rem 0.9rem;
    font-size: 0.78rem;
    font-weight: 700;
    color: #fff;
    background: var(--evt-cat-color, var(--evt-blue));
    border-radius: 0.55rem;
    box-shadow: 0 6px 14px var(--evt-cat-ring, rgba(30, 58, 138, 0.25));
    transition: gap 0.2s ease, box-shadow 0.2s ease;
}

.evt-card:hover .evt-card__cta {
    gap: 0.55rem;
}

.evt-card:hover .evt-card__cta i {
    transform: translateX(2px);
}

.evt-card__cta i {
    font-size: 0.68rem;
    transition: transform 0.2s ease;
}

/* Empty state */
.evt-empty {
    text-align: center;
    padding: 3.5rem 1.5rem;
    background: #fff;
    border: 1px dashed #cbd5e1;
    border-radius: 1.25rem;
}

.evt-empty i {
    font-size: 2.75rem;
    color: #cbd5e1;
    margin-bottom: 1rem;
}

.evt-empty h3 {
    margin: 0 0 0.5rem;
    font-size: 1.2rem;
    font-weight: 800;
}

.evt-empty p {
    margin: 0 auto 1.25rem;
    max-width: 26rem;
    color: var(--evt-muted);
    font-size: 0.95rem;
    line-height: 1.55;
}

/* Category tiles */
.evt-cat-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

@media (min-width: 768px) {
    .evt-cat-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .evt-cat-grid {
        grid-template-columns: repeat(6, minmax(0, 1fr));
    }
}

.evt-cat-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.25rem 0.85rem;
    background: #fff;
    border: 1px solid var(--evt-border);
    border-radius: 1rem;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.evt-cat-tile:hover {
    transform: translateY(-4px);
    border-color: var(--evt-cat-ring, rgba(30, 58, 138, 0.2));
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
}

.evt-cat-tile__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    margin-bottom: 0.75rem;
    border-radius: 0.85rem;
    font-size: 1.1rem;
    background: var(--evt-cat-bg, rgba(30, 58, 138, 0.1));
    color: var(--evt-cat-color, var(--evt-blue));
}

.evt-cat-tile h3 {
    margin: 0 0 0.35rem;
    font-size: 0.88rem;
    font-weight: 800;
}

.evt-cat-tile p {
    margin: 0;
    font-size: 0.72rem;
    line-height: 1.45;
    color: var(--evt-muted);
}

/* Newsletter */
.evt-newsletter {
    padding: 4rem 0;
    background: linear-gradient(160deg, #0f172a 0%, #1e3a8a 100%);
    color: #fff;
}

.evt-newsletter__inner {
    max-width: 40rem;
    margin: 0 auto;
    padding: 0 1.5rem;
    text-align: center;
}

.evt-newsletter h2 {
    margin: 0 0 0.65rem;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
}

.evt-newsletter p {
    margin: 0 0 1.5rem;
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.88);
}

.evt-newsletter__form {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    max-width: 28rem;
    margin: 0 auto;
}

@media (min-width: 520px) {
    .evt-newsletter__form {
        flex-direction: row;
    }
}

.evt-newsletter__form input {
    flex: 1;
    padding: 0.8rem 1rem;
    border: none;
    border-radius: 0.6rem;
    font-size: 0.95rem;
    color: #0f172a;
}

.evt-newsletter__form input:focus {
    outline: 2px solid #fbbf24;
    outline-offset: 2px;
}