.gif-upload-zone {
    border: 2px dashed #dee2e6;
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.2s, background-color 0.2s;
}

.gif-upload-zone:hover {
    border-color: #0d6efd;
    background-color: rgba(13, 110, 253, 0.05);
}

.timeline-handle-inner {
    width: 4px;
    height: 60%;
    margin: 0 auto;
    border-radius: 2px;
}

.timeline-bar:hover .timeline-handle-inner {
    box-shadow: 0 0 4px rgba(0, 0, 0, 0.3);
}

.timeline-handle {
    z-index: 10;
}