.vt{border:1px solid var(--border);border-radius:var(--r-lg);background:var(--surface);max-width:1100px;box-shadow:0 12px 36px var(--shadow-a);margin-inline:auto;overflow:hidden}.vt__topbar{border-bottom:1px solid var(--border);background:var(--surface-2);justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;display:flex}.vt__file{align-items:center;gap:10px;min-width:0;display:flex}.vt__file>div{gap:2px;min-width:0;display:grid}.vt__file strong{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.vt__file span:not(.vt__file-icon){color:var(--text-muted);font-size:.75rem}.vt__file-icon{background:var(--accent-soft);width:30px;height:30px;color:var(--accent-text);border-radius:9px;place-items:center;font-size:.75rem;display:grid}.vt__open input,.vt__empty input{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}.vt__empty{text-align:center;background:radial-gradient(circle at 50% 0%,var(--accent-soft),transparent 55%);place-items:center;gap:8px;min-height:300px;padding:34px;transition:background .2s;display:grid}.vt__empty.is-over{background:var(--accent-soft)}.vt__empty h3{margin:4px 0 0;font-size:1.08rem}.vt__empty p{color:var(--text-muted);margin:0 0 10px;font-size:.875rem}.vt__empty-art{align-items:center;gap:5px;height:56px;display:flex;position:relative}.vt__empty-art span{background:var(--accent);width:46px;height:46px;color:var(--on-accent);box-shadow:0 8px 18px color-mix(in srgb,var(--accent) 25%,transparent);border-radius:14px;place-items:center;font-size:1.05rem;display:grid}.vt__empty-art i{background:var(--border-strong);border-radius:9px;width:4px;animation:1.4s ease-in-out infinite vt-pulse;display:block}.vt__empty-art i:nth-child(2){height:20px}.vt__empty-art i:nth-child(3){height:35px;animation-delay:.15s}.vt__empty-art i:nth-child(4){height:25px;animation-delay:.3s}@keyframes vt-pulse{50%{opacity:.5;transform:scaleY(.55)}}.vt__editor{padding:16px}.vt__stage{border-radius:var(--r-md);background:#101218;place-items:center;min-height:280px;display:grid;position:relative;overflow:hidden}.vt__stage video{object-fit:contain;background:#101218;width:100%;max-height:520px;display:block}.vt__stage-hint{color:#fff;font:600 .7rem var(--font-mono);pointer-events:none;background:#101218b8;border-radius:99px;padding:4px 8px;position:absolute;top:10px;right:12px}.vt__timeline{height:64px;margin:18px 10px 8px;position:relative}.vt__track{background:repeating-linear-gradient(90deg,var(--surface-inset) 0 2px,transparent 2px 12px);border:1px solid var(--border);border-radius:8px;height:22px;position:absolute;top:20px;left:0;right:0}.vt__selection{inset-block:-1px;border:2px solid var(--accent);background:color-mix(in srgb,var(--accent) 16%,transparent);pointer-events:none;border-radius:8px;width:100%;position:absolute;left:0}.vt__range{appearance:none;pointer-events:none;background:0 0;width:calc(100% + 16px);height:38px;margin:0;position:absolute;top:12px;left:-8px;right:-8px}.vt__range::-webkit-slider-thumb{appearance:none;background:var(--accent);width:20px;height:34px;box-shadow:0 0 0 3px var(--surface),0 2px 7px var(--shadow-b);pointer-events:auto;cursor:ew-resize;border:0;border-radius:7px}.vt__range::-moz-range-thumb{background:var(--accent);width:20px;height:34px;box-shadow:0 0 0 3px var(--surface),0 2px 7px var(--shadow-b);pointer-events:auto;cursor:ew-resize;border:0;border-radius:7px}.vt__range--end{z-index:2}.vt__range--start{z-index:3}.vt__ticks{inset-inline:0;color:var(--text-muted);font:11px var(--font-mono);justify-content:space-between;display:flex;position:absolute;bottom:0}.vt__times{justify-content:space-between;align-items:end;gap:10px;margin:6px 0 16px;display:flex}.vt__times label{color:var(--text-muted);gap:5px;font-size:.72rem;display:grid}.vt__times input{border:1px solid var(--border-input);border-radius:var(--r-sm);background:var(--surface);width:100px;color:var(--text);font:600 .85rem var(--font-mono);padding:7px 9px}.vt__duration{color:var(--text-subtle);font:600 .78rem var(--font-mono);padding-bottom:8px}.vt__options{border-top:1px solid var(--border);border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:end;gap:14px;padding:12px 0;display:flex}.vt__select{color:var(--text-muted);gap:5px;font-size:.72rem;display:grid}.vt__select .select{min-width:86px}.vt__check{align-items:center;gap:7px;font-size:.82rem;display:flex}.vt__export{justify-content:space-between;align-items:center;gap:12px;padding-top:16px;display:flex}.vt__export>div{gap:3px;display:grid}.vt__export>div>span{color:var(--text-muted);font-size:.75rem}.vt__status{min-height:1.2em;color:var(--text-muted);margin:12px 0 0;font-size:.78rem}.vt__status[data-kind=error]{color:var(--danger)}@media (width<=600px){.vt__editor{padding:10px}.vt__stage{min-height:210px}.vt__topbar{padding:11px 12px}.vt__options{gap:10px}.vt__export{flex-direction:column;align-items:stretch}.vt__export .btn{width:100%}.vt__times input{width:86px}.vt__empty{min-height:250px}}@media (prefers-reduced-motion:reduce){.vt__empty-art i{animation:none}}.vt__empty[hidden],.vt__editor[hidden]{display:none}.vt__track canvas{opacity:.68;border-radius:7px;width:100%;height:100%;display:block}.vt__transport{flex-wrap:wrap;gap:8px;margin:4px 0 14px;display:flex}.vt__open,.vt__empty label{cursor:pointer}.vt__open:focus-within,.vt__empty label:focus-within{outline:2px solid var(--focus);outline-offset:2px}.vt__track{overflow:visible}.vt__playhead{background:var(--danger);z-index:4;pointer-events:none;width:2px;box-shadow:0 0 0 1px color-mix(in srgb,var(--surface) 60%,transparent);position:absolute;top:-9px;bottom:-9px;transform:translate(-1px)}.vt__playhead:before{content:"";background:var(--danger);width:10px;height:10px;box-shadow:0 0 0 2px var(--surface);border-radius:50%;position:absolute;top:-5px;left:50%;transform:translate(-50%)}.vt__playhead span{background:var(--danger);color:var(--text-inverse);font:600 10px var(--font-mono);white-space:nowrap;border-radius:4px;padding:2px 5px;position:absolute;top:-25px;left:50%;transform:translate(-50%)}.vt__scrub-meta{color:var(--text-muted);font:11px var(--font-mono);justify-content:space-between;gap:12px;margin:0 10px 5px;display:flex}.vt__scrub-meta strong{color:var(--text);font-weight:650}.vt__transport{border-block:1px solid var(--border);justify-content:space-between;align-items:center;gap:12px;margin:0 0 14px;padding:11px 0;display:flex}.vt__transport-main,.vt__transport-tools{flex-wrap:wrap;align-items:center;gap:7px;display:flex}.vt__transport-tools{justify-content:flex-end}.vt__options{border-top:0;margin-top:0}.vt__export{padding:14px 0 0}.vt__export .btn--primary:disabled{opacity:1;--btn-bg:var(--surface-inset);--btn-fg:var(--text);--btn-border:var(--border-input);box-shadow:none}.vt__host{width:100%}.vt__host>.vt{max-width:none}.vt__host .vt__stage{height:min(46dvh,520px);min-height:260px;display:block}.vt__host .vt__stage video{object-fit:contain;width:100%;height:100%;max-height:none}.vt__host [data-vt=expand]{display:none}@media (width<=700px){.vt__transport{flex-direction:column;align-items:stretch}.vt__transport-main,.vt__transport-tools{justify-content:flex-start}.vt__scrub-meta{margin-inline:2px}.vt__playhead span{top:-21px}.vt__transport-main{grid-template-columns:1fr 1fr;gap:6px;display:grid}.vt__transport-main>[data-vt=play-selection]{grid-column:1/-1}.vt__transport-tools{grid-template-columns:1fr 1fr;gap:6px;display:grid}.vt__transport-tools>[data-vt=replace]{grid-column:1/-1}.vt__transport .btn{width:100%}}