/* HighlightButton - Botón con gradiente y efecto pulse.
   Colores fijos independientes de la configuración de instalación. */

.edu-btn-highlight {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 7px 14px 8px;
    min-height: 36px;
    border: 1px solid transparent;
    border-radius: 4px;
    box-sizing: border-box;
    font-family: inherit;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
    gap: 6px;
    transition: background-color .2s ease-in-out,
                opacity .2s ease-in-out,
                box-shadow .2s ease-in-out;
    color: #ffffff;
    background: linear-gradient(135deg, #0066ad, #00476e);
    border-color: #00476e;
    animation: edu-btn-pulse 2s ease-in-out infinite;
}

.edu-btn-highlight:hover:not(:disabled) {
    background: linear-gradient(135deg, #005590, #003a5c);
}

.edu-btn-highlight:focus {
    box-shadow: 0 0 0 2px rgba(0, 102, 173, 0.4);
    animation: none;
    outline: none;
}

@keyframes edu-btn-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0, 102, 173, 0.5); }
    50%      { box-shadow: 0 0 0 8px transparent; }
}

@media (prefers-reduced-motion: reduce) {
    .edu-btn-highlight {
        animation: none;
    }
}