:root{--bg:#0e1013;--panel:#16191f;--panel-2:#1c2027;--border:#262b34;--text:#e8eaee;--muted:#8b93a1;--accent:#5b8cff;--accent-2:#3d6ef2;--accent-deep:#0d2ab8;--accent-deep-2:#1a3ce0;--danger:#e0574f}*{box-sizing:border-box}html,body{height:100%;margin:0;overflow:hidden}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;flex-direction:column;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:13px;display:flex}.topbar{background:var(--panel);border-bottom:1px solid var(--border);flex:0 0 52px;justify-content:space-between;align-items:center;height:52px;padding:0 16px;display:flex}.brand{letter-spacing:.2px;align-items:center;gap:10px;font-size:15px;font-weight:650;display:flex}.brand svg{display:block}.top-actions{align-items:center;gap:8px;display:flex}.vsep{background:var(--border);width:1px;height:24px;margin:0 4px}button{font:inherit;color:var(--text);background:var(--panel-2);border:1px solid var(--border);cursor:pointer;border-radius:8px;transition:background .12s,border-color .12s,opacity .12s}button:hover:not(:disabled){background:#232936}button:active:not(:disabled){transform:translateY(1px)}button:disabled{opacity:.38;cursor:default}.icon-btn{justify-content:center;align-items:center;width:34px;height:34px;padding:0;display:inline-flex}button.accent{background:var(--accent-deep);border-color:var(--accent-deep);color:#fff;align-items:center;gap:8px;height:34px;padding:0 14px;font-weight:600;display:inline-flex}button.accent:hover:not(:disabled){background:var(--accent-deep-2);border-color:var(--accent-deep-2)}.body{flex:1;min-height:0;display:flex}.sidebar{background:var(--panel);border-right:1px solid var(--border);flex-direction:column;flex:0 0 264px;gap:10px;width:264px;padding:12px;display:flex;overflow-y:auto}.panel{background:var(--panel-2);border:1px solid var(--border);border-radius:10px;padding:12px}.panel h2{text-transform:uppercase;letter-spacing:1.1px;color:var(--muted);margin:0 0 10px;font-size:11px;font-weight:700}.slider-row{margin-bottom:12px}.slider-row:last-child{margin-bottom:2px}.slider-head{justify-content:space-between;align-items:baseline;margin-bottom:6px;display:flex}.slider-head label{color:var(--text)}.slider-head .val{color:var(--muted);font-variant-numeric:tabular-nums;cursor:pointer;-webkit-user-select:none;user-select:none}.slider-head .val:hover{color:var(--accent)}input[type=range]{appearance:none;cursor:pointer;background:0 0;width:100%;height:20px;margin:0}input[type=range]::-webkit-slider-runnable-track{background:linear-gradient(to right, var(--accent) var(--fill,50%), #2c333f var(--fill,50%));border-radius:2px;height:4px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:#fff;border:none;border-radius:50%;width:14px;height:14px;margin-top:-5px;box-shadow:0 1px 4px #00000080}input[type=range]:focus{outline:none}input[type=range]:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 3px #5b8cff73}#histogram{border:1px solid var(--border);background:#0d0f13;border-radius:6px;width:100%;height:64px;margin-top:12px;display:block}.filter-grid{grid-template-columns:1fr 1fr;gap:8px;display:grid}.filter-btn{border:1px solid var(--border);background:#12151a;border-radius:8px;flex-direction:column;gap:5px;padding:5px;display:flex}.filter-btn canvas{aspect-ratio:4/3;background:#000;border-radius:5px;width:100%;display:block}.filter-btn span{color:var(--muted);text-align:center;font-size:11px}.filter-btn.active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.filter-btn.active span{color:var(--text)}.btn-grid{grid-template-columns:1fr 1fr;gap:8px;display:grid}.tool-btn{justify-content:center;align-items:center;gap:7px;height:32px;padding:0 10px;font-size:12px;display:flex}.tool-btn svg{flex:none}.tool-btn.ghost{background:0 0;width:100%}.tool-btn.on{border-color:var(--accent);background:#5b8cff24}.chip-row{flex-wrap:wrap;gap:6px;margin-bottom:10px;display:flex}.chip{background:#12151a;border-radius:13px;height:26px;padding:0 10px;font-size:12px}.chip.active{background:var(--accent-deep);border-color:var(--accent-deep);color:#fff}.num-grid{grid-template-columns:1fr 1fr;gap:8px;margin-bottom:10px;display:grid}.num-grid label{color:var(--muted);align-items:center;gap:6px;font-size:11px;display:flex}.num-grid input{border:1px solid var(--border);width:100%;min-width:0;height:28px;color:var(--text);font:inherit;background:#12151a;border-radius:6px;padding:0 8px;font-size:12px}.num-grid input:focus{border-color:var(--accent);outline:none}.num-grid input:disabled{opacity:.45}.btn-row{gap:8px;display:flex}.btn-row .tool-btn{flex:1}.hint{color:var(--muted);margin:10px 0 0;font-size:11px}.stage-wrap{background:radial-gradient(1200px 600px at 50% -10%, #5b8cff0d, transparent 60%), var(--bg);flex:1;justify-content:center;align-items:center;min-width:0;padding:24px;display:flex}.stage-wrap.drop{outline:2px dashed var(--accent);outline-offset:-12px;background:radial-gradient(1200px 600px at 50% -10%, #5b8cff24, transparent 60%), var(--bg)}.stage{background:conic-gradient(#1a1d23 25%, #22262e 0 50%, #1a1d23 0 75%, #22262e 0) 0 0 / 24px 24px;border-radius:4px;position:relative;box-shadow:0 12px 48px #0000008c,0 0 0 1px #ffffff0f}.stage canvas{width:100%;height:100%;display:block;position:absolute;inset:0}#beforeCanvas{clip-path:inset(0 100% 0 0)}#afterCanvas{clip-path:inset(0)}.stage.compare #beforeCanvas{clip-path:inset(0 calc(100% - var(--split,50%)) 0 0)}.stage.compare #afterCanvas{clip-path:inset(0 0 0 var(--split,50%))}.split-line{top:0;bottom:0;left:var(--split,50%);z-index:5;background:#ffffffeb;width:2px;margin-left:-1px;display:none;position:absolute}.stage.compare .split-line{display:block}.split-handle{cursor:ew-resize;background:#fff;border-radius:50%;justify-content:center;align-items:center;width:30px;height:30px;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 2px 10px #00000080}.split-handle:before{content:"";border-top:2px solid #555;border-left:2px solid #555;width:10px;height:10px;margin-right:6px;transform:rotate(-135deg)translate(-2px,-1px)}.split-handle:after{content:"";border-top:2px solid #555;border-left:2px solid #555;width:10px;height:10px;transform:rotate(45deg)translate(-2px,-1px)}.badge{letter-spacing:.4px;color:#fff;z-index:6;background:#0a0c10b8;border-radius:5px;padding:3px 9px;font-size:11px;font-weight:600;display:none;position:absolute;top:10px}.badge-before{left:10px}.badge-after{right:10px}.stage.compare .badge{display:block}.crop-overlay{z-index:10;position:absolute;inset:0}.crop-overlay[hidden]{display:none}.crop-shade{background:#080a0e8c;position:absolute}.crop-rect{cursor:move;border:1.5px solid #fffffff2;position:absolute}.crop-rect:before,.crop-rect:after{content:"";background:#ffffff59;position:absolute}.crop-rect:before{height:1px;box-shadow:0 33.33% 0 #ffffff59;top:33.3%;left:0;right:0}.crop-rect:after{width:1px;box-shadow:33.33% 0 0 #ffffff59;top:0;bottom:0;left:33.3%}.crop-handle{z-index:11;background:#fff;border-radius:2px;width:13px;height:13px;margin:-6.5px;position:absolute;box-shadow:0 1px 4px #0009}.crop-handle[data-h=nw]{cursor:nwse-resize}.crop-handle[data-h=ne],.crop-handle[data-h=sw]{cursor:nesw-resize}.crop-handle[data-h=se]{cursor:nwse-resize}.crop-handle[data-h=n],.crop-handle[data-h=s]{cursor:ns-resize}.crop-handle[data-h=e],.crop-handle[data-h=w]{cursor:ew-resize}.crop-body{position:absolute;inset:0}.statusbar{background:var(--panel);border-top:1px solid var(--border);font-variant-numeric:tabular-nums;flex:0 0 30px;align-items:center;gap:14px;height:30px;padding:0 14px;font-size:12px;display:flex}.statusbar .spacer{flex:1}.muted{color:var(--muted)}.sidebar::-webkit-scrollbar{width:10px}.sidebar::-webkit-scrollbar-thumb{background:#2a303b;border-radius:5px}.sidebar::-webkit-scrollbar-track{background:0 0}