: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{cursor:pointer;background:0 0;border:none;flex-shrink:0;width:20px;height:20px;padding:0;display:block}.logo-mark img{width:100%;height:100%;display:block}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-icon svg{animation:5s ease-in-out infinite dz-nudge}@keyframes dz-nudge{0%,70%,to{transform:translateY(0)}76%{transform:translateY(6px)}82%{transform:translateY(0)}88%{transform:translateY(5px)}94%{transform:translateY(0)}}@media (prefers-reduced-motion:reduce){.dz-icon svg{animation:none}}.dz-inner strong{color:var(--text);font-weight:500}.dz-hint{margin-top:6px;font-size:12px}#drop-zone.unsupported{cursor:default}#drop-zone.unsupported:hover,#drop-zone.unsupported.dragover{border-color:var(--border-strong);background:var(--panel)}#unsupported-warning{text-align:left;max-width:400px;margin:14px auto 0}#unsupported-warning strong{color:inherit;font-weight:600}#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,#unsupported-warning{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}#ctl-tabs,#panel-grip,.mobile-only{display:none}#ctl-sheet,#ctl-panels{display:contents}.result-head{display:none}#result-scrim{z-index:9;background:#0000008c;position:fixed;inset:0}@media (width<=860px),(width<=1000px) and (height<=500px){body{overscroll-behavior:none}header{grid-template-columns:auto 1fr auto;align-items:center;gap:1px 10px;height:auto;min-height:40px;padding:5px 12px;display:grid}.logo-mark{grid-row:1/3}header h1{grid-column:2;line-height:1.2}header p{grid-area:2/2;margin-left:0;font-size:11px;line-height:1.2}#help-btn{grid-area:1/3/3}main{padding:8px}#editor{flex-direction:column;gap:8px}.stage-col{min-height:0}#stage-outer{min-height:120px}#timeline{gap:8px;margin-top:8px}#play-btn{width:40px;height:40px}#tl-track{height:40px}.tl-handle:before{content:"";position:absolute;inset:-8px -12px}.handle:before{content:"";position:absolute;inset:-14px}#tl-times{margin-top:5px}#kbd-hints{justify-content:center;gap:6px;margin-top:5px;display:flex}#kbd-hints .kbd{flex:1;max-width:64px;margin:0;padding:9px 0;font-size:12px}.kbd-desc,#kbd-hints .kbd[data-action=play]{display:none}#controls{background:0 0;border:none;gap:11px;width:100%;padding:0;overflow:visible}.mobile-only{display:inline}#ctl-sheet{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:10px;padding-bottom:calc(10px + env(safe-area-inset-bottom));flex-direction:column;gap:10px;display:flex}#ctl-tabs{border-bottom:1px solid var(--border);margin:-10px -10px 0;display:flex}#ctl-tabs button{color:var(--text-dim);cursor:pointer;background:0 0;border:none;flex:1;padding:10px 2px;font-size:12px;font-weight:500;position:relative}#ctl-tabs button.active{color:var(--text)}#ctl-tabs button.active:after{content:"";background:var(--accent);border-radius:1px;height:2px;position:absolute;bottom:-1px;left:22%;right:22%}#ctl-tabs button:disabled{opacity:.35;cursor:default}.ctl-hint{display:none}#panel-grip{touch-action:none;cursor:ns-resize;justify-content:center;align-items:center;height:16px;margin:0 0 -8px;display:flex}.grip-bar{background:var(--border-strong);border-radius:2px;width:38px;height:4px}.seg button{padding:8px 2px}#ctl-panels{height:var(--panel-h,148px);flex-direction:column;flex-shrink:0;gap:12px;display:flex;overflow-y:auto}#ctl-panels>[data-tab]{display:none}#ctl-panels>.ctl-group[data-tab].tab-active{display:flex}#ctl-sheet>button[data-tab]{display:none}#ctl-sheet>button[data-tab].tab-active{display:block}.aspect-grid{scrollbar-width:none;display:flex;overflow-x:auto}.aspect-grid::-webkit-scrollbar{display:none}.aspect-grid button{flex:none;padding:9px 13px}.result-head{justify-content:space-between;align-items:center;display:flex}.result-head b{font-size:13px;font-weight:600}#result-close{color:var(--text-dim);cursor:pointer;background:0 0;border:none;padding:4px 6px;font-size:14px}#result{z-index:10;background:var(--panel-2);border:1px solid var(--border-strong);padding:12px 14px calc(14px + env(safe-area-inset-bottom));border-bottom:none;border-radius:14px 14px 0 0;transition:transform .25s;position:fixed;bottom:0;left:0;right:0;transform:translateY(100%)}#result.open{transform:none}#result video{object-fit:contain;max-height:45vh}}@media (width<=1000px) and (height<=500px){#editor{flex-direction:row;gap:8px}#controls{flex-shrink:0;width:250px;overflow-y:auto}#panel-grip{display:none}#ctl-sheet{flex:1;min-height:0}#ctl-panels{flex:1;height:auto;min-height:80px}#stage-outer{min-height:0}}