/* Стили для модального окна */
.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: 5% auto;
    padding: 1.25rem;
    border: 0.063rem solid #888;
    width: 80%;
    max-width: 37.5rem;
    border-radius: 0.625rem;
    position: relative;
    max-height: 80vh;
    overflow: auto;
    z-index: 10000;
}

.close {
    color: #aaa;
    float: right;
    font-size: 1.75rem;
    font-weight: bold;
    position: absolute;
    right: 0.938rem;
    top: 0.625rem;
    cursor: pointer;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
}

#modal-title {
    margin-top: 0;
    margin-bottom: 1.25rem;
    font-size: 1.5rem;
    color: #333;
}

#help-iframe {
    width: 100%;
    height: 43.75rem;
    border: none;
    position: relative;
    z-index: 1;
}

@media (max-width: 48rem) {
    .modal-content {
        width: 95%;
        margin: 10% auto;
    }
    
    #help-iframe {
        height: 28.125rem;
    }
}