/* Collaborations & Co-authors page */

/* Institution cards grid */
.collaborations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.collaboration-card {
    border: 1px solid var(--bs-border-color, #dee2e6);
    border-radius: 0.5rem;
    padding: 1rem 1.25rem;
    background: var(--bs-body-bg);
    transition: box-shadow 0.15s;
}

.collaboration-card:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.collaboration-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.collaboration-card-header h3 {
    font-size: 1rem;
    margin: 0;
    line-height: 1.3;
}

.collaboration-card-header h3 a {
    text-decoration: none;
}

.collaboration-card-header .badge {
    font-size: 0.65rem;
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.collaboration-location,
.collaboration-period,
.collaboration-context,
.collaboration-contacts {
    font-size: 0.82rem;
    margin-bottom: 0.25rem;
    color: var(--bs-body-color);
}

.collaboration-location i,
.collaboration-period i,
.collaboration-contacts i {
    opacity: 0.6;
    margin-right: 0.3rem;
}

.collaboration-context {
    margin-top: 0.4rem;
    color: var(--bs-secondary-color, #6c757d);
}

.collaboration-contacts {
    font-weight: 500;
}

/* Co-author groups */
.coauthor-affiliation-group {
    margin-bottom: 1.5rem;
}

.coauthor-affiliation-title {
    font-size: 0.95rem;
    font-weight: 600;
    padding-bottom: 0.35rem;
    border-bottom: 2px solid var(--bs-primary, #0d6efd);
    margin-bottom: 0.75rem;
}

.coauthors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 0.75rem;
}

.coauthor-card {
    border: 1px solid var(--bs-border-color, #dee2e6);
    border-radius: 0.4rem;
    padding: 0.75rem 1rem;
    background: var(--bs-body-bg);
}

.coauthor-name {
    font-weight: 600;
    font-size: 0.88rem;
    margin-bottom: 0.25rem;
}

.coauthor-period {
    font-size: 0.75rem;
    color: var(--bs-secondary-color, #6c757d);
    margin-bottom: 0.35rem;
}

.coauthor-period i {
    opacity: 0.6;
    margin-right: 0.2rem;
}

.coauthor-contributions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin-bottom: 0.3rem;
}

.coauthor-contributions .badge {
    font-size: 0.62rem;
    font-weight: 500;
}

.coauthor-activities {
    font-size: 0.72rem;
}

.coauthor-activity-link {
    text-decoration: none;
    color: var(--bs-primary, #0d6efd);
}

.coauthor-activity-link:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .collaborations-grid {
        grid-template-columns: 1fr;
    }
    .coauthors-grid {
        grid-template-columns: 1fr;
    }
}