.cite-tooltip {
    position: relative;
    text-decoration: none;
    cursor: pointer;
}

.cite-tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    width: max-content;
    max-width: 250px;
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 12px;
    white-space: normal;
    line-height: 1.5;
    display: none;
    z-index: 1000;
}

.cite-tooltip:hover::after {
    display: block;
}