.icp-dot {
    position: absolute;
    width: 14px;
    height: 14px;
    background-color: red;
    border-radius: 50%;
    cursor: pointer;
    transform: translate(-50%, -50%);
    z-index: 10;
}

.icp-tooltip {
    display: none;
    position: absolute;
    top: -70px;
    left: 50%;
    transform: translateX(-50%);
    background: #222;
    color: #fff;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 13px;
    line-height: 1.4;
    white-space: normal;
    z-index: 999;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    width: var(--icp-tooltip-width, 30em);
    max-width: 90vw;
}

.icp-dot:hover .icp-tooltip {
    display: block;
}

.comment.highlight {
    background-color: #ffffcc;
    transition: background-color 2s ease;
}