:root{--bg:#101113;--panel:#16171a;--panel-2:#1c1d21;--panel-3:#232429;--border:#26272c;--border-strong:#2e2f36;--text:#eeeff1;--text-dim:#8a8f98;--accent:#5e6ad2;--accent-hover:#6871d9;--accent-tint:#5e6ad224;--danger:#eb5757;--radius:8px}*{box-sizing:border-box;margin:0;padding:0}[hidden]{display:none!important}html,body{height:100%}body{background:var(--bg);color:var(--text);letter-spacing:-.005em;-webkit-font-smoothing:antialiased;flex-direction:column;height:100dvh;font-family:Inter,Inter Variable,-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif;font-size:13px;display:flex;overflow:hidden}button{letter-spacing:inherit;font-family:inherit}header{border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:10px;height:46px;padding:0 16px;display:flex}.logo-mark{color:#fff;background:linear-gradient(135deg,#5e6ad2,#7c88e8);border-radius:5px;flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;display:flex}header h1{letter-spacing:-.01em;font-size:13px;font-weight:600}header p{color:var(--text-dim);margin-left:4px;font-size:12px}#help-btn{border:1px solid var(--border-strong);width:22px;height:22px;color:var(--text-dim);cursor:pointer;background:0 0;border-radius:50%;flex-shrink:0;margin-left:auto;font-size:12px;font-weight:600;transition:color .1s,border-color .1s}#help-btn:hover{color:var(--text);border-color:var(--accent)}#help-dialog{background:var(--panel-2);width:min(420px,100vw - 32px);color:var(--text);border:1px solid var(--border-strong);border-radius:var(--radius);margin:auto;padding:18px}#help-dialog::backdrop{background:#0009}.help-head{justify-content:space-between;align-items:center;margin-bottom:4px;display:flex}.help-head h2{font-size:14px;font-weight:600}#help-close{color:var(--text-dim);cursor:pointer;background:0 0;border:none;padding:2px 4px;font-size:13px}#help-close:hover{color:var(--text)}#help-dialog section{margin-top:12px}#help-dialog h3{color:var(--text-dim);margin-bottom:4px;font-size:11.5px;font-weight:500}#help-dialog p{font-size:12.5px;line-height:1.55}#help-dialog a{color:var(--accent-hover)}main{flex:1;min-height:0;padding:14px;display:flex}#drop-zone{border:1px dashed var(--border-strong);border-radius:var(--radius);background:var(--panel);cursor:pointer;flex:1;justify-content:center;align-items:center;transition:border-color .15s,background .15s;display:flex}#drop-zone:hover,#drop-zone.dragover{border-color:var(--accent);background:var(--accent-tint)}.dz-inner{text-align:center;color:var(--text-dim)}.dz-icon{color:var(--text-dim);margin-bottom:14px}.dz-inner strong{color:var(--text);font-weight:500}.dz-hint{margin-top:6px;font-size:12px}#editor{flex:1;gap:14px;min-width:0;min-height:0;display:flex}.stage-col{flex-direction:column;flex:1;min-width:0;display:flex}#stage-outer{border:1px solid var(--border);border-radius:var(--radius);background:#000;flex:1;justify-content:center;align-items:center;min-height:160px;display:flex;position:relative;overflow:hidden}#stage{min-width:0;max-width:100%;min-height:0;max-height:100%;position:relative;overflow:hidden}#stage video{object-fit:contain;width:100%;height:100%;display:block}#stage.blur-mode video{opacity:0;pointer-events:none;position:absolute;inset:0}#blur-preview{width:100%;height:100%;display:block}#crop-overlay{position:absolute;inset:0}#stage.blur-mode #crop-overlay{display:none}#crop-rect{cursor:move;touch-action:none;border:1px solid #ffffffe6;position:absolute;box-shadow:0 0 0 100vmax #0009}#crop-rect:before,#crop-rect:after{content:"";pointer-events:none;border:0 dashed #ffffff38;position:absolute}#crop-rect:before{border-left-width:1px;border-right-width:1px;inset:0 33.33%}#crop-rect:after{border-top-width:1px;border-bottom-width:1px;inset:33.33% 0}#overlay-img{object-fit:contain;pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.handle{touch-action:none;z-index:1;background:#fff;border-radius:3px;width:12px;height:12px;position:absolute;box-shadow:0 0 0 1px #0006}.handle.nw{cursor:nwse-resize;top:-6px;left:-6px}.handle.ne{cursor:nesw-resize;top:-6px;right:-6px}.handle.sw{cursor:nesw-resize;bottom:-6px;left:-6px}.handle.se{cursor:nwse-resize;bottom:-6px;right:-6px}#timeline{align-items:center;gap:10px;margin-top:12px;display:flex}#play-btn{border:1px solid var(--border-strong);background:var(--panel-2);width:32px;height:32px;color:var(--text);cursor:pointer;border-radius:7px;flex-shrink:0;justify-content:center;align-items:center;transition:background .1s,border-color .1s;display:flex}#play-btn:hover{background:var(--panel-3);border-color:#3a3b42}#tl-track{background:var(--panel-2);border:1px solid var(--border);cursor:pointer;touch-action:none;border-radius:7px;flex:1;height:30px;position:relative}#tl-range{background:var(--accent-tint);border-top:2px solid var(--accent);border-bottom:2px solid var(--accent);pointer-events:none;position:absolute;top:0;bottom:0}#tl-playhead{pointer-events:none;background:#fff;border-radius:1px;width:2px;position:absolute;top:-3px;bottom:-3px}.tl-handle{background:var(--accent);cursor:ew-resize;touch-action:none;border-radius:4px;width:11px;transition:background .1s;position:absolute;top:-4px;bottom:-4px}.tl-handle:hover{background:var(--accent-hover)}#tl-times{color:var(--text-dim);font-variant-numeric:tabular-nums;justify-content:space-between;margin-top:6px;font-size:11.5px;display:flex}#tl-times b{color:var(--text);font-weight:500}#time-current{color:var(--text)}#kbd-hints{color:var(--text-dim);text-align:center;margin-top:6px;font-size:10.5px}#kbd-hints .kbd{color:var(--text);background:var(--panel-2);border:1px solid var(--border-strong);cursor:pointer;touch-action:manipulation;border-radius:4px;margin:0 1px;padding:2px 7px;font-family:inherit;font-size:10px;transition:background .1s,border-color .1s,transform 50ms}#kbd-hints .kbd:hover{border-color:var(--accent)}#kbd-hints .kbd:active{background:var(--panel-3);transform:translateY(1px)}#controls{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;flex-shrink:0;gap:16px;width:280px;padding:14px;display:flex;overflow-y:auto}.ctl-group{flex-direction:column;gap:7px;display:flex}.ctl-label{color:var(--text-dim);font-size:11.5px;font-weight:500}.ctl-hint{color:var(--text-dim);font-size:11.5px;line-height:1.45}.seg{background:var(--panel-2);border:1px solid var(--border);border-radius:7px;gap:2px;padding:2px;display:flex}.seg button{color:var(--text-dim);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:5px;flex:1;padding:6px 2px;font-size:12px;font-weight:500;transition:background .1s,color .1s}.seg button:hover{color:var(--text)}.seg button.active{background:var(--panel-3);color:var(--text);box-shadow:0 1px 2px #00000040}.aspect-grid{grid-template-columns:repeat(4,1fr);gap:5px;display:grid}.aspect-grid button{background:var(--panel-2);border:1px solid var(--border);color:var(--text-dim);cursor:pointer;font-variant-numeric:tabular-nums;border-radius:6px;padding:6px 2px;font-size:12px;transition:border-color .1s,color .1s,background .1s}.aspect-grid button:hover:not(:disabled){color:var(--text);border-color:var(--border-strong)}.aspect-grid button.active{border-color:var(--accent);color:var(--text);background:var(--accent-tint)}.aspect-grid button:disabled{opacity:.35;cursor:default}input[type=range]{width:100%;accent-color:var(--accent)}select{background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:7px 8px;font-family:inherit;font-size:12.5px}.color-row{align-items:center;gap:10px;display:flex}.color-row input[type=color]{border:1px solid var(--border);background:var(--panel-2);cursor:pointer;border-radius:6px;width:40px;height:30px;padding:3px}#color-val{color:var(--text-dim);font-variant-numeric:tabular-nums;font-size:12px}button.secondary{background:var(--panel-2);border:1px solid var(--border-strong);color:var(--text);cursor:pointer;border-radius:6px;padding:7px;font-size:12.5px;font-weight:500;transition:background .1s,border-color .1s}button.secondary:hover{background:var(--panel-3);border-color:#3a3b42}#overlay-row{background:var(--panel-2);border:1px solid var(--border);border-radius:6px;align-items:center;gap:8px;padding:6px 9px;font-size:12px;display:flex}#overlay-name{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}#overlay-remove{color:var(--text-dim);cursor:pointer;background:0 0;border:none;font-size:12px}#overlay-remove:hover{color:var(--danger)}.out-info{color:var(--text-dim);font-variant-numeric:tabular-nums;flex-direction:column;gap:3px;font-size:11.5px;display:flex}button.primary,.btn-link{background:var(--accent);color:#fff;cursor:pointer;text-align:center;border:none;border-radius:7px;padding:9px;font-size:13px;font-weight:500;text-decoration:none;transition:background .1s;display:block}button.primary:hover,.btn-link:hover{background:var(--accent-hover)}button.primary:disabled{opacity:.5;cursor:default}#cancel-btn{border:1px solid var(--border-strong);color:var(--danger);cursor:pointer;background:0 0;border-radius:7px;padding:8px;font-size:12.5px}#cancel-btn:hover{border-color:var(--danger)}button.ghost{color:var(--text-dim);cursor:pointer;background:0 0;border:none;padding:5px;font-size:12px}button.ghost:hover{color:var(--text)}#progress-wrap{align-items:center;gap:10px;display:flex}#progress-bar{background:var(--panel-2);border-radius:3px;flex:1;height:6px;overflow:hidden}#progress-fill{background:var(--accent);width:0%;height:100%;transition:width .15s}#progress-text{color:var(--text-dim);font-variant-numeric:tabular-nums;text-align:right;min-width:34px;font-size:11.5px}#result{flex-direction:column;gap:9px;display:flex}#result video{border:1px solid var(--border);background:#000;border-radius:7px;width:100%}#result-info{color:var(--text-dim);text-align:center;font-variant-numeric:tabular-nums;font-size:11.5px}#error-box,#dz-error{color:#f0a3a3;word-break:break-word;background:#eb575714;border:1px solid #eb575766;border-radius:7px;padding:9px;font-size:12px;line-height:1.45}#dz-error{margin-top:12px}@media (width<=860px){#editor{flex-direction:column;overflow-y:auto}#controls{width:100%}#stage-outer{min-height:180px;max-height:45vh}}