.asistente-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.asistente-modal-container {
    position: relative;
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    background: #fff;
}

.asistente-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: #000;
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    z-index: 1000000;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transition: background 0.3s;
}

.asistente-modal-close:hover {
    background: #333;
}

.asistente-modal-iframe {
    width: 100%;
    height: 100%;
    border: none;
}