.glb-color-panel {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255,255,255,0.96);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    padding: 18px;
    width: 260px;
    z-index: 100;
    font-family: system-ui, sans-serif;
    max-height: 70%;
    overflow-y: auto;
}
.glb-color-panel h4 {
    margin: 0 0 12px 0;
    font-size: 15px;
    color: #222;
}
.glb-color-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 10px 0;
}
.glb-color-item label {
    flex: 1;
    font-size: 13px;
    color: #444;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}