/* tooltip.css */
.tooltip {
    position: absolute;
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 10px;
    border-radius: 5px;
    visibility: visible;
    opacity: 1;
    transition: opacity 0.5s ease-in-out;
    z-index: 1000;
}

.tooltip.hidden {
    opacity: 0;
    visibility: hidden;
}