/* Activities page */

.activities-hero {
    background-color: var(--bg-white);
    padding-bottom: 1rem;
}

.activities-hero__title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    line-height: 1.3;
    text-align: center;
}

.activities-hero__lead {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.6;
    text-align: center;
    margin: 0;
}

.activities-list-section {
    background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-light) 12%, var(--bg-light) 100%);
    padding-top: 0;
}

.activities-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.tab-btn {
    background-color: #fff;
    border: 1px solid var(--border-color);
    padding: 0.65rem 1.35rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-dark);
    cursor: pointer;
    border-radius: 0.375rem;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    text-decoration: none;
}

.activities-tabs .tab-btn.active,
.activities-tabs .tab-btn:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: #fff;
}

.activities-badge {
    display: inline-flex;
    align-items: center;
    background-color: rgba(0, 61, 130, 0.08);
    color: var(--primary-color);
    padding: 0.2rem 0.65rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    line-height: 1.4;
}

.activities-badge--update {
    background-color: rgba(0, 61, 130, 0.08);
    color: var(--primary-color);
}

.activities-badge--activity {
    background-color: rgba(245, 158, 11, 0.14);
    color: #b45309;
}

.activities-badge--perspective {
    background-color: rgba(13, 148, 136, 0.12);
    color: #0f766e;
}

.activities-badge--record {
    background-color: rgba(100, 116, 139, 0.14);
    color: #475569;
}

.activities-date {
    color: var(--text-light);
    font-size: 0.875rem;
    font-variant-numeric: tabular-nums;
}

.activities-author {
    color: var(--text-light);
    font-size: 0.875rem;
    margin-left: auto;
    text-align: right;
    flex-shrink: 0;
}

.activities-author__label {
    font-weight: 600;
    color: var(--text-dark);
    margin-right: 0.25rem;
}

.activities-list-item__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: auto;
}

.activities-list-item .read-more {
    margin-top: 0;
    align-self: center;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.2s ease, gap 0.2s ease;
}

.read-more i {
    font-size: 0.95rem;
    transition: transform 0.2s ease;
}

.read-more:hover {
    color: var(--secondary-color);
    gap: 0.5rem;
}

.read-more:hover i {
    transform: translateX(2px);
}

.activities-list-section .page-pagination {
    max-width: none;
}

.activities-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
    width: 100%;
    margin: 0;
}

.activities-list-item {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    background-color: #fff;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 2px rgba(0, 61, 130, 0.04);
    overflow: hidden;
    transition: box-shadow 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.activities-list-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background-color: var(--primary-color);
    opacity: 0.35;
    transition: opacity 0.25s ease, background-color 0.25s ease;
}

.activities-list-item--activity::before {
    background-color: var(--accent-color);
}

.activities-list-item--perspective::before {
    background-color: #0d9488;
}

.activities-list-item--record::before {
    background-color: #64748b;
}

.activities-list-item:hover {
    border-color: rgba(0, 61, 130, 0.22);
    box-shadow: 0 8px 24px rgba(0, 61, 130, 0.08);
    transform: translateY(-2px);
}

.activities-list-item:hover::before {
    opacity: 1;
}

.activities-list-item__body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 1.35rem 1.5rem 1.35rem 1.65rem;
}

.activities-list-item__meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.85rem;
    flex-wrap: wrap;
}

.activities-list-item__title {
    font-size: 1.15rem;
    margin: 0 0 0.65rem;
    font-weight: 600;
    line-height: 1.4;
}

.activities-list-item__title a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

.activities-list-item__title a:hover {
    color: var(--secondary-color);
}

.activities-list-item__summary {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
    margin: 0 0 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.activities-empty {
    text-align: center;
    color: var(--text-light);
    padding: 3rem 1rem;
    background-color: var(--bg-light);
    border-radius: 0.5rem;
    border: 1px dashed var(--border-color);
    width: 100%;
    margin: 0;
}

.activities-empty i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: block;
    opacity: 0.5;
}

/* Detail page */

.activities-detail-section {
    background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-light) 18%, var(--bg-light) 100%);
}

.activities-detail {
    position: relative;
    width: 100%;
    max-width: none;
    margin: 0;
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 61, 130, 0.05);
    padding: 2rem 2.25rem 2.5rem;
    overflow: hidden;
}

.activities-detail::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background-color: var(--primary-color);
}

.activities-detail--activity::before {
    background-color: var(--accent-color);
}

.activities-detail--perspective::before {
    background-color: #0d9488;
}

.activities-detail--record::before {
    background-color: #64748b;
}

.activities-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    transition: color 0.2s ease, gap 0.2s ease;
}

.activities-back-link:hover {
    color: var(--secondary-color);
    gap: 0.55rem;
}

.activities-detail__header {
    margin-bottom: 0;
}

.activities-detail__meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.activities-detail__title {
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.3;
    margin: 0 0 0.85rem;
}

.activities-detail__summary {
    color: var(--text-light);
    font-size: 1.05rem;
    line-height: 1.65;
    margin: 0;
}

.activities-detail__divider {
    height: 1px;
    background: linear-gradient(90deg, rgba(0, 61, 130, 0.18), transparent 85%);
    margin: 1.5rem 0 1.75rem;
}

.activities-detail__body {
    color: var(--text-dark);
    line-height: 1.8;
    font-size: 1.02rem;
}

.activities-detail__author {
    display: flex;
    align-items: baseline;
    justify-content: flex-end;
    gap: 0.5rem;
    margin: 2rem 0 0;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(0, 61, 130, 0.1);
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.5;
}

.activities-detail__author-label {
    font-weight: 600;
    color: var(--text-dark);
}

.activities-detail--missing::before {
    display: none;
}

.activities-detail--missing .activities-empty {
    margin-top: 0.5rem;
}

.activities-detail--missing .activities-detail__title {
    margin-bottom: 0.75rem;
}

.activities-detail__body > *:first-child {
    margin-top: 0;
}

.activities-detail__body p {
    margin-bottom: 1.1rem;
}

.activities-detail__body h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin: 1.75rem 0 0.85rem;
    line-height: 1.35;
}

.activities-detail__body strong {
    color: var(--text-dark);
    font-weight: 600;
}

.activities-detail__body ul {
    margin-bottom: 1.1rem;
    padding-left: 1.35rem;
}

.activities-detail__body li {
    margin-bottom: 0.45rem;
}

.activities-detail__body blockquote {
    border-left: 3px solid var(--accent-color);
    padding: 0.9rem 1.15rem;
    margin: 1.4rem 0;
    background-color: rgba(245, 158, 11, 0.08);
    color: var(--text-dark);
    border-radius: 0 0.375rem 0.375rem 0;
}

.activities-detail__body blockquote p {
    margin-bottom: 0.5rem;
}

.activities-detail__body blockquote p:last-child {
    margin-bottom: 0;
}

.activities-detail__body img {
    display: block;
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem;
    margin: 1.25rem 0;
    box-shadow: 0 4px 16px rgba(0, 61, 130, 0.08);
}

.activities-detail__body em {
    color: var(--text-light);
}

@media (max-width: 991px) {
    .activities-hero__title {
        font-size: 1.65rem;
    }

    .activities-list {
        grid-template-columns: 1fr;
    }

    .activities-list-item__body {
        padding: 1.15rem 1.2rem 1.15rem 1.35rem;
    }

    .activities-list-item__title {
        font-size: 1.05rem;
    }

    .activities-detail {
        padding: 1.5rem 1.25rem 2rem;
    }

    .activities-detail__title {
        font-size: 1.45rem;
    }

    .activities-detail__summary {
        font-size: 1rem;
    }
}