.color-tooltip-custom {
    position: absolute;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 13px;
    z-index: 99999;
    display: none;
    pointer-events: none;
    white-space: nowrap;
    box-shadow: 0 2px 6px rgba(0,0,0,0.25);
    transform: translate(-50%, -130%);
    transition: opacity 0.1s ease;
}