.thumbnail-picker.svelte-85ovol{display:flex;flex-direction:column;gap:1rem}.video-preview.svelte-85ovol{position:relative;width:100%;aspect-ratio:16/9;background:#000;border-radius:.75rem;overflow:hidden}.video-preview.svelte-85ovol video:where(.svelte-85ovol){width:100%;height:100%;object-fit:contain}.loading-overlay.svelte-85ovol{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.75rem;background:#000c;color:#fff;font-size:.875rem}.spinner.svelte-85ovol{width:32px;height:32px;border:3px solid rgba(255,255,255,.2);border-top-color:#fff;border-radius:50%;animation:svelte-85ovol-spin .8s linear infinite}@keyframes svelte-85ovol-spin{to{transform:rotate(360deg)}}.timeline-section.svelte-85ovol{display:flex;flex-direction:column;gap:.5rem}.time-display.svelte-85ovol{display:flex;align-items:center;gap:.25rem;font-size:.875rem;font-weight:500;font-variant-numeric:tabular-nums}.separator.svelte-85ovol{color:var(--color-surface-400)}.total.svelte-85ovol{color:var(--color-surface-500)}.timeline-container.svelte-85ovol{position:relative;height:56px;border-radius:8px;overflow:hidden;cursor:pointer;-webkit-user-select:none;user-select:none}.preview-strip.svelte-85ovol{position:absolute;top:0;right:0;bottom:0;left:0;display:flex}.preview-frame.svelte-85ovol{position:absolute;top:0;width:10%;height:100%;overflow:hidden}.preview-frame.svelte-85ovol img:where(.svelte-85ovol){width:100%;height:100%;object-fit:cover;opacity:.6}.frame-placeholder.svelte-85ovol{width:100%;height:100%;background:var(--color-surface-200)}.dark .frame-placeholder.svelte-85ovol{background:var(--color-surface-700)}.timeline-track.svelte-85ovol{position:absolute;bottom:0;left:0;right:0;height:4px;background:#0000004d}.timeline-progress.svelte-85ovol{height:100%;background:var(--color-primary-500);transition:width .05s ease-out}.timeline-handle.svelte-85ovol{position:absolute;top:50%;transform:translate(-50%,-50%);width:20px;height:56px;display:flex;align-items:center;justify-content:center;cursor:grab}.timeline-handle.svelte-85ovol:active{cursor:grabbing}.handle-inner.svelte-85ovol{width:4px;height:100%;background:var(--color-primary-500);border-radius:2px;box-shadow:0 0 8px #0000004d}.hint.svelte-85ovol{font-size:.8125rem;color:var(--color-surface-500);margin:0;text-align:center}.actions.svelte-85ovol{display:flex;align-items:center;gap:1rem;padding-top:.5rem}.thumbnail-preview.svelte-85ovol{width:80px;height:45px;border-radius:6px;overflow:hidden;background:var(--color-surface-100);border:2px solid var(--color-surface-200);flex-shrink:0}.dark .thumbnail-preview.svelte-85ovol{background:var(--color-surface-800);border-color:var(--color-surface-700)}.thumbnail-preview.svelte-85ovol img:where(.svelte-85ovol){width:100%;height:100%;object-fit:cover}.thumbnail-preview.svelte-85ovol .placeholder:where(.svelte-85ovol){width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--color-surface-400)}.confirm-btn.svelte-85ovol{flex:1;display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.25rem;background:var(--color-primary-500);color:#fff;border:none;border-radius:.75rem;font-size:.9375rem;font-weight:500;cursor:pointer;transition:all .2s ease}.confirm-btn.svelte-85ovol:hover:not(:disabled){background:var(--color-primary-600)}.confirm-btn.svelte-85ovol:disabled{opacity:.5;cursor:not-allowed}