/* Entrenadores: ayuda contextual sin callback adicional. */
details > summary.ayuda-boton {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    margin-left: 0.5rem;
    border-radius: 50%;
    background: #e2e8f0;
    color: #475569;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 700;
    list-style: none;
    user-select: none;
    vertical-align: middle;
}

details > summary.ayuda-boton::-webkit-details-marker {
    display: none;
}

details > summary.ayuda-boton:hover {
    background: #cbd5e1;
}

.ayuda-caja {
    position: absolute;
    z-index: 20;
    top: 26px;
    left: 0;
    width: 340px;
    max-width: 80vw;
    padding: 0.8rem 1rem;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    color: #334155;
    font-size: 0.8rem;
    line-height: 1.4;
}