.custom-tooltip {
    position: fixed;
    display: none;
    background: rgba(0, 168, 157, 0.85);
    color: #fff;
    padding: 1rem 1.5rem;
    border-radius: 1rem;
    font-size: 0.9rem;
    max-width: 40rem;
    pointer-events: none;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    z-index: 99999;
    opacity: 0;
    transition: opacity 0.15s ease-in-out;
    visibility: hidden;
    white-space: normal;
    word-wrap: break-word;
    line-height: 1.4;
}

.custom-tooltip.show {
    display: block;
    opacity: 1;
    visibility: visible;
}

.custom-tooltip strong {
    display: block;
    color: #fff;
    font-size: 1rem;
    margin-bottom: 1rem;
}