.stall-tip {
    position: fixed;
    z-index: 999;
    display: none;
    pointer-events: none;
    min-width: 150px;
    padding: 8px 10px;
    font-size: 12px;
    line-height: 1.5;
    background: #fff;
    border: 1px solid #d0d0d0;
    border-left: 4px solid #444;
    border-radius: 6px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
}

.stall-tip.is-visible {
    display: block;
}

.tip-head {
    font-size: 13px;
    font-weight: bold;
    margin-bottom: 4px;
}

.tip-row {
    color: #666;
}

.tip-row span {
    color: #111;
    font-weight: bold;
}