.o-tooltip-wrapper {
    position: relative;
    display: block;
    width: 100%;
}

.o-tooltip {
    position: absolute;
    z-index: 9999;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: white;
    padding: 15px 20px;
    border-radius: 5px;
    font-size: 0.8rem;
    line-height: 1.2;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s ease;
    pointer-events: none;
}

.o-tooltip-wrapper:hover .o-tooltip {
    opacity: 1;
    visibility: visible;
}