.related-popup {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #2196F3;
    color: #fff;
    font-family: Arial, sans-serif;
    padding: 10px;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.2);
    z-index: 9999;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.related-text a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
}

#related-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
}