/* === Buscador de recursos === */
.search-box .form-control {
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 1.1rem;
}

.search-box .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(209, 36, 33, 0.25);
}

/* === Botones de filtro === */
.filter-btn {
    border: 2px solid #dee2e6;
    background-color: var(--white);
    color: var(--secondary-color);
    border-radius: 20px;
    padding: 6px 16px;
    transition: all 0.2s ease;
}

.filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.filter-btn.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

/* === Ocultar items filtrados === */
.resource-item.filtered-out {
    display: none;
}

/* === Tarjetas de enlace institucional === */
.institution-link {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.institution-link:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12) !important;
    color: var(--primary-color) !important;
}