/* Bubble tooltip container */
#bubble-tooltip {
    position: fixed;
    max-width: 350px;
    background: #f2f2f2;
    border: 1px solid #999;
    padding: 10px;
    border-radius: 6px;
    font-size: 14px;
    color: #000;
    box-shadow: 0 2px 6px rgba(0,0,0,0.25);
    display: none;
    z-index: 9999;
}
#tooltip-column {
    position: fixed;
    right: 0;
    top: 0;
    width: 320px;
    height: 100%;
    padding: 15px;
    background: #f7f7f7;
    border-left: 1px solid #ccc;
    overflow-y: auto;
    font-family: Georgia, serif;
    font-size: 16px;
    line-height: 1.4;
}