.timeline-handle-inner {
    width: 4px;
    height: 100%;
    margin: 0 auto;
    border-radius: 2px;
}

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

.video-player {
    max-height: 400px;
    display: block;
    background: #000;
}

.video-preview-wrapper {
    background: #000;
}

.timeline-hover-preview {
    animation: previewFadeIn 0.15s ease-out;
}

@keyframes previewFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}