:root{font-family:Inter,Microsoft YaHei,sans-serif;color:#cdd6df;background:#0d1117;--bg:#111820;--panel:#151d26;--line:#2a3541;--muted:#778491;--accent:#ff7a24;--blue:#32a9d6}*{box-sizing:border-box;font-size:12px;letter-spacing:0}body{margin:0;height:100vh;overflow:hidden;background:#090d12}button,label,select,input{font:inherit}button{color:#bec9d3;background:#1b2530;border:1px solid #303d49;border-radius:4px;min-height:30px;cursor:pointer}button:hover{background:#263441;border-color:#526473;color:#fff}button.active,.primary{background:#7d3b16;border-color:var(--accent);color:#fff}.ico{font-size:15px;margin-right:4px}#menubar{height:54px;background:#121920;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 14px;gap:24px}.brand{display:flex;align-items:center;gap:10px;min-width:230px}.brand-mark{width:30px;height:30px;background:var(--accent);display:grid;place-items:center;color:#fff;font-weight:800;border-radius:3px}.brand strong{display:block;color:#fff;font-size:13px}.brand span{display:block;color:#789;font-size:8px;margin-top:2px}.brand strong:after{display:none}nav{display:flex;height:100%;align-items:center}nav button{border:0;background:transparent;border-radius:0;padding:0 13px;height:100%}.top-actions{display:flex;gap:7px;margin-left:auto}.top-actions label{display:flex;align-items:center;border:1px solid var(--accent);border-radius:4px;padding:0 12px;cursor:pointer}.top-actions input{display:none}main{height:calc(100vh - 80px);display:grid;grid-template-columns:230px minmax(0,1fr) 268px}.side{background:var(--panel);overflow:auto}.left{border-right:1px solid var(--line)}.right{border-left:1px solid var(--line)}.panel-head{height:40px;display:flex;align-items:center;padding:0 12px;border-bottom:1px solid var(--line)}.panel-head button{margin-left:auto;min-width:27px;height:27px}.section{padding:14px;border-bottom:1px solid var(--line)}.section-title{color:#8d9dab;font-size:10px;text-transform:uppercase;margin-bottom:12px}.scene-item{height:38px;display:flex;align-items:center;gap:6px;padding:0 7px;border-bottom:1px solid #202a34}.scene-item.active{background:#24313d;border-left:2px solid var(--accent)}.scene-item button{border:0;background:transparent;min-width:24px}.scene-item span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.scene-item small{color:var(--muted)}.seg{display:flex}.seg button{flex:1;border-radius:0}.seg button:first-child{border-radius:4px 0 0 4px}.seg button:last-child{border-radius:0 4px 4px 0}.vector{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;margin:5px 0 10px}.vector input,input[type=number],select{width:100%;background:#0e151d;border:1px solid #2b3946;color:#cdd6df;padding:6px;border-radius:3px}.empty{color:var(--muted)}#viewport{position:relative;overflow:hidden;background:#0c1117}#viewport canvas{display:block;width:100%;height:100%}#viewport.dragover{outline:2px solid var(--accent);outline-offset:-8px}#hint{position:absolute;inset:0;display:grid;place-content:center;text-align:center;gap:7px;color:#657482;pointer-events:none}#hint b{font-size:15px;color:#8fa0ae}#hint.hidden{display:none}#hint.gs-warn b{color:#e05050;font-size:16px}#hint.gs-warn span{color:#a06060}#toast.error{border-color:#e04040;background:#261818}#selectionBox{display:none;position:fixed;border:1px solid #4ad0ff;background:#32a9d626;z-index:6;pointer-events:none}#selectionSvg{display:none;position:fixed;inset:0;width:100vw;height:100vh;z-index:6;pointer-events:none}#selectionSvg polygon{fill:#32a9d624;stroke:#4ad0ff;stroke-width:1.5}#selectionSvg polyline{fill:none;stroke:#d8f7ff;stroke-width:1}.tabs{display:flex;border-bottom:1px solid var(--line)}.tabs button{flex:1;border:0;border-radius:0;background:#111922;height:40px}.tabs button.active{background:#202b36;border-bottom:2px solid var(--accent)}.tab-body.hidden{display:none}.section label{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:11px 0}.section input[type=range]{flex:1}.section output{width:30px;color:var(--accent)}.button-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px}.stats dl,.stats{margin:0}.stats dl{display:grid;grid-template-columns:1fr auto;line-height:2.2}.stats dt{color:#8493a0}.stats dd{margin:0;color:#fff;font-variant-numeric:tabular-nums}#histogram{width:100%;height:120px;border:1px solid #253543}.popup-menu{position:fixed;z-index:20;width:170px;background:#19222c;border:1px solid #394754;box-shadow:0 10px 30px #0008;padding:5px;border-radius:4px}.popup-menu.hidden{display:none}.popup-menu button{display:block;width:100%;text-align:left;border:0;background:transparent}.popup-menu button:hover{background:#293744}#toolBar{position:absolute;left:50%;bottom:18px;transform:translate(-50%);display:flex;align-items:center;background:#151d26ef;border:1px solid #354451;border-radius:6px;padding:6px;box-shadow:0 8px 24px #0008}#toolBar button{width:36px;height:36px;margin:0 2px;font-size:16px}#toolBar i{width:1px;height:26px;background:#374653;margin:0 5px}#selectionOps{position:absolute;left:50%;bottom:72px;transform:translate(-50%);display:flex;align-items:center;gap:10px;background:#151d26ef;border:1px solid #354451;border-radius:5px;padding:6px 9px}#selectionOps>span{color:#82919e}#selectionOps button{min-height:25px;padding:0 9px}#brushSizeWrap{display:none;margin-left:5px}#cameraBar{position:absolute;left:14px;top:14px;display:flex;gap:5px}#viewCube{position:absolute;right:14px;top:14px;width:116px;text-align:center}#viewCube button{height:28px;min-width:34px;font-size:10px;background:#17212caa}#toast{position:absolute;left:50%;top:25px;transform:translate(-50%);background:#253442;border-left:3px solid var(--accent);padding:9px 14px;opacity:0;pointer-events:none;transition:.2s}#toast.show{opacity:1}footer{height:26px;background:#111820;border-top:1px solid var(--line);display:flex;align-items:center;padding:0 10px;gap:18px;color:#82909c}footer span+span{border-left:1px solid #34414d;padding-left:18px}.grow{flex:1;border:0!important}.primary:hover{background:#a84c15;border-color:#ff9a54}@media(max-width:900px){main{grid-template-columns:190px 1fr}.right{display:none}.brand{min-width:auto}.brand span{display:none}}@media(max-width:650px){.left{display:none}main{grid-template-columns:1fr}nav{display:none}.top-actions button{display:none}#selectionOps{bottom:69px;width:94%}}.vector input[type=number]{cursor:ew-resize;-webkit-user-select:none;user-select:none}.vector input[type=number]:hover{border-color:#5d7182;background:#15212c}.vector input[type=number]:active{border-color:var(--accent)}#viewCube{position:absolute;right:14px;top:14px;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,#17212c99 0,#11182055 58%,transparent 70%);filter:drop-shadow(0 3px 8px #0008)}#viewCube svg{width:100%;height:100%;overflow:visible}#viewCube text{fill:#081018;pointer-events:none}#viewCube circle{transition:r .15s,filter .15s}#viewCube g:hover circle{r:13;filter:brightness(1.3) drop-shadow(0 0 4px currentColor)}.transform-section{padding:0 0 12px;background:#292929;border-top:1px solid #353535}.transform-title{height:35px;margin:0 0 8px;padding:0 9px;display:flex;align-items:center;background:#242424;color:#f2f2f2;font-size:12px;font-weight:600;text-transform:none;border-top:1px solid #333;border-bottom:1px solid #1d1d1d}.transform-title span{color:#f60;font-size:10px;margin-right:7px}.compact-modes{margin:0 7px 9px}.compact-modes button{height:27px;min-height:27px;background:#222;border-color:#383838;color:#aaa;font-size:11px}.compact-modes button.active{background:#343434;border-color:#f60;color:#fff}.transform-row{display:grid;grid-template-columns:68px minmax(0,1fr);align-items:center;min-height:34px;padding:0 7px}.transform-row>label{color:#aab4c0;padding-left:0}.transform-row .vector{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:0}.numeric-field{position:relative;display:block;height:27px}.numeric-field input[type=number]{height:27px;padding:4px 24px 4px 7px;background:#1c1c1c;border:1px solid #111;border-radius:2px;color:#f2f2f2;font-variant-numeric:tabular-nums;outline:none;cursor:ew-resize}.numeric-field:after{content:attr(data-axis-label);position:absolute;right:7px;top:50%;transform:translateY(-50%);color:#77818a;font-size:9px;font-weight:700;pointer-events:none}.numeric-field i{display:none;position:absolute;right:5px;top:4px;width:18px;height:19px;place-items:center;background:#f2f2f2;color:#222;border-radius:2px;font-style:normal;font-size:12px;line-height:19px;text-align:center;pointer-events:none}.numeric-field:hover i{display:grid}.numeric-field:hover:after{display:none}.numeric-field input[type=number]:hover{background:#202020;border-color:#3c3c3c}.numeric-field input[type=number]:focus{border-color:#f60;box-shadow:0 0 0 1px #f60}.numeric-field:focus-within i{display:grid}.numeric-field:focus-within:after{display:none}.numeric-field input[type=number]::-webkit-inner-spin-button,.numeric-field input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.numeric-field input[type=number]{-moz-appearance:textfield}#brushSizeWrap{display:none;position:absolute;left:50%;bottom:72px;transform:translate(-50%);align-items:center;gap:9px;margin:0;padding:8px 12px;background:#151d26ef;border:1px solid #354451;border-radius:5px;color:#9aa8b4}#brushSizeWrap.show{display:flex}#brushSizeWrap input{width:150px}#workspace{grid-template-columns:0 minmax(0,1fr) 0;transition:grid-template-columns .22s ease}#workspace.scene-open{grid-template-columns:230px minmax(0,1fr) 0}#workspace.inspector-open{grid-template-columns:0 minmax(0,1fr) 268px}#workspace.scene-open.inspector-open{grid-template-columns:230px minmax(0,1fr) 268px}#scenePanel,#inspector{min-width:0;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .16s ease}#workspace.scene-open #scenePanel,#workspace.inspector-open #inspector{opacity:1;pointer-events:auto}.panel-toggle{position:absolute;z-index:10;top:50%;width:22px;height:52px;min-height:52px;padding:0;border-color:#42505d;background:#1a2530e8;color:#b9c8d5;font-size:18px;transform:translateY(-50%);box-shadow:0 3px 12px #0008}.panel-toggle:hover{border-color:var(--accent);color:#fff;background:#293643}.left-toggle{left:0;border-left:0;border-radius:0 5px 5px 0}.right-toggle{right:0;border-right:0;border-radius:5px 0 0 5px}#toolBar button svg{width:24px;height:24px;display:block;margin:auto;fill:none}#toolBar button[data-tool=polygon] svg,#toolBar button[data-tool=flood] svg,#toolBar button[data-tool=eyedropper] svg{width:25px;height:25px}#colorThresholdWrap{display:none;position:absolute;left:50%;bottom:72px;transform:translate(-50%);align-items:center;gap:9px;margin:0;padding:8px 12px;background:#151d26ef;border:1px solid #354451;border-radius:5px;color:#9aa8b4}#colorThresholdWrap.show{display:flex}#colorThresholdWrap input{width:150px}#colorThresholdWrap output{width:32px;color:var(--accent)}#toolBar{gap:3px;padding:7px 8px;background:#121921f7;border-color:#53616d}#toolBar button{position:relative;width:42px;height:40px;min-height:40px;margin:0;border:1px solid transparent;background:#202b35;color:#b9c8d4;border-radius:5px;font-size:20px;display:grid;place-items:center;line-height:1}#toolBar button:hover{background:#2c3b48;border-color:#758592;color:#fff;box-shadow:0 0 10px #58b8e033}#toolBar button.active{background:#754019;border-color:#ff8a3d;color:#fff;box-shadow:inset 0 0 0 1px #ffb46f40,0 0 12px #ff6a1c38}#toolBar button svg{width:29px;height:29px;display:block;overflow:visible;stroke-width:1.8}#toolBar button[data-tool=polygon] svg,#toolBar button[data-tool=flood] svg,#toolBar button[data-tool=eyedropper] svg{width:30px;height:30px}#toolBar button[data-tool]:after{content:"";position:absolute;left:7px;right:7px;bottom:3px;height:2px;background:currentColor;opacity:0;border-radius:2px}#toolBar button[data-tool].active:after{opacity:.9}#toolBar i{height:29px;margin:0 5px;background:#53616d}#workspace .panel-toggle{width:28px;height:64px;min-height:64px;padding:0;border:1px solid #365064;background:linear-gradient(180deg,#172735ef,#0f1b26ef);color:transparent;overflow:visible;transition:width .22s,border-color .22s,box-shadow .22s,background .22s}.panel-toggle:before{content:"";position:absolute;left:50%;top:50%;width:8px;height:8px;border-top:1px solid #7de5ff;border-right:1px solid #7de5ff;transform:translate(-50%,-50%) rotate(45deg);filter:drop-shadow(0 0 4px #45d9ff);transition:transform .25s,filter .25s}.panel-toggle:after{content:"";position:absolute;left:5px;right:5px;top:9px;height:1px;background:linear-gradient(90deg,transparent,#4dc9e8,transparent);box-shadow:0 45px #4dc9e840;animation:panelScan 2.8s ease-in-out infinite}.panel-toggle:hover{width:34px;border-color:#67ddff;background:linear-gradient(180deg,#1c3a4def,#122436ef);box-shadow:0 0 16px #45d9ff59,inset 0 0 12px #45d9ff14}.panel-toggle:hover:before{filter:drop-shadow(0 0 8px #7de5ff);transform:translate(-50%,-50%) rotate(45deg) scale(1.25)}.left-toggle:before{transform:translate(-50%,-50%) rotate(225deg)}.right-toggle:before{transform:translate(-50%,-50%) rotate(45deg)}.scene-open .left-toggle:before{transform:translate(-50%,-50%) rotate(45deg)}.inspector-open .right-toggle:before{transform:translate(-50%,-50%) rotate(225deg)}@keyframes panelScan{0%,to{opacity:.25;transform:scaleX(.5)}50%{opacity:1;transform:scaleX(1)}}#workspace .panel-toggle{width:30px;height:72px;min-height:72px;border:0;border-radius:0;background:linear-gradient(180deg,#0d1d2a,#142f40);clip-path:polygon(26% 0,100% 12%,100% 88%,26% 100%,0 84%,0 16%);box-shadow:none;filter:drop-shadow(0 0 5px rgba(42,202,255,.45));transition:filter .25s,transform .25s}#workspace .panel-toggle:before{width:10px;height:10px;border:0;background:linear-gradient(135deg,#76efff 0 45%,transparent 46%);clip-path:polygon(0 0,100% 50%,0 100%,18% 50%);transform:translate(-50%,-50%);filter:drop-shadow(0 0 5px #55eaff);animation:gatePulse 1.8s ease-in-out infinite}#workspace .panel-toggle:after{left:7px;right:7px;top:8px;height:56px;background:linear-gradient(180deg,transparent,#49dfff 38%,transparent 62%,#49dfff 90%,transparent);box-shadow:none;opacity:.5;animation:gateScan 2.1s linear infinite}.panel-toggle:hover{width:36px;filter:drop-shadow(0 0 10px #46e5ff) drop-shadow(0 0 20px rgba(52,138,255,.55));background:linear-gradient(180deg,#123b50,#18536a);transform:translateY(-50%) scaleY(1.04)}@keyframes gatePulse{0%,to{opacity:.55;filter:drop-shadow(0 0 3px #55eaff)}50%{opacity:1;filter:drop-shadow(0 0 9px #55eaff)}}@keyframes gateScan{0%{transform:translateY(-18px);opacity:0}20%,70%{opacity:.8}to{transform:translateY(18px);opacity:0}}#workspace .panel-toggle{width:24px;height:48px;min-height:48px;border:1px solid #344453;border-radius:4px;background:#111b25e6;clip-path:none;filter:none;box-shadow:0 3px 10px #0006;transition:background .18s,border-color .18s,box-shadow .18s}.panel-toggle:before{width:7px;height:7px;border:solid #92a6b5;border-width:1px 1px 0 0;background:none;clip-path:none;filter:none;animation:none;transition:transform .18s,color .18s}.panel-toggle:hover{width:24px;filter:none;transform:translateY(-50%);background:#21313e;border-color:#6b8292;box-shadow:0 3px 14px #0008}.panel-toggle:hover:before{filter:none;transform:translate(-50%,-50%) rotate(45deg) scale(1.1)}.left-toggle:hover:before{transform:translate(-50%,-50%) rotate(225deg) scale(1.1)}.scene-open .left-toggle:hover:before{transform:translate(-50%,-50%) rotate(45deg) scale(1.1)}.inspector-open .right-toggle:hover:before{transform:translate(-50%,-50%) rotate(225deg) scale(1.1)}#workspace .panel-toggle{width:22px;height:44px;min-height:44px;padding:0;border:0;border-radius:0;background:transparent;clip-path:none;filter:none;box-shadow:none;transition:opacity .2s,transform .2s}.panel-toggle:before{content:"";position:absolute;left:50%;top:50%;width:9px;height:9px;border:0;background:linear-gradient(135deg,#64e9ff,#8a7dff 48%,#ff7ac8);-webkit-mask:linear-gradient(135deg,transparent 0 44%,#000 45% 56%,transparent 57%) 0 0/100% 100%;mask:linear-gradient(135deg,transparent 0 44%,#000 45% 56%,transparent 57%) 0 0/100% 100%;transform:translate(-50%,-50%);filter:drop-shadow(0 0 3px #55dfff);animation:chevronFlow 2.4s ease-in-out infinite}.panel-toggle:after{display:none}.left-toggle:before{transform:translate(-50%,-50%) rotate(180deg)!important}.scene-open .left-toggle:before{transform:translate(-50%,-50%)!important}.right-toggle:before{transform:translate(-50%,-50%)!important}.inspector-open .right-toggle:before{transform:translate(-50%,-50%) rotate(180deg)!important}.panel-toggle:hover{width:22px;filter:none;background:transparent;box-shadow:none;transform:translateY(-50%);opacity:1}.panel-toggle:hover:before{filter:drop-shadow(0 0 7px #91ecff);transform:translate(-50%,-50%) scale(1.18)!important}.left-toggle:hover:before{transform:translate(-50%,-50%) rotate(180deg) scale(1.18)!important}.scene-open .left-toggle:hover:before{transform:translate(-50%,-50%) scale(1.18)!important}.inspector-open .right-toggle:hover:before{transform:translate(-50%,-50%) rotate(180deg) scale(1.18)!important}@keyframes chevronFlow{0%,to{filter:drop-shadow(0 0 2px #55dfff);opacity:.65}50%{filter:drop-shadow(0 0 8px #d17dff);opacity:1}}#workspace .panel-toggle:before{content:"";position:absolute;left:50%;top:50%;width:9px;height:9px;background:transparent;clip-path:none;-webkit-mask:none;mask:none;border:solid #69dfff;border-width:2px 2px 0 0;filter:drop-shadow(0 0 3px #55dfff);transform:translate(-50%,-50%) rotate(45deg);animation:chevronBorder 2.4s ease-in-out infinite}.left-toggle:before{transform:translate(-50%,-50%) rotate(225deg)!important}.scene-open .left-toggle:before{transform:translate(-50%,-50%) rotate(45deg)!important}.right-toggle:before{transform:translate(-50%,-50%) rotate(45deg)!important}.inspector-open .right-toggle:before{transform:translate(-50%,-50%) rotate(225deg)!important}.panel-toggle:hover:before{filter:drop-shadow(0 0 7px #b5f4ff);border-color:#b5f4ff}.left-toggle:hover:before{transform:translate(-50%,-50%) rotate(225deg) scale(1.12)!important}.scene-open .left-toggle:hover:before{transform:translate(-50%,-50%) rotate(45deg) scale(1.12)!important}.inspector-open .right-toggle:hover:before{transform:translate(-50%,-50%) rotate(225deg) scale(1.12)!important}@keyframes chevronBorder{0%,to{border-color:#55dfff;opacity:.65}50%{border-color:#d39bff;opacity:1}}.downsample-panel label{margin:9px 0}.downsample-panel button{width:100%;margin-top:5px}.downsample-panel #downsampleProgress{color:var(--accent);font-size:11px;margin-top:8px;min-height:14px}.support-toast{position:fixed;right:34px;bottom:42px;width:248px;background:#121a24eb;border:1px solid #2a3a4a;border-radius:10px;padding:12px 12px 14px;z-index:90;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 8px 24px #0009;pointer-events:auto;transition:opacity .3s,transform .3s}.support-toast.closed{opacity:0;transform:translateY(10px);pointer-events:none}.support-close{position:absolute;top:4px;right:6px;border:0;background:transparent;color:#6a8098;font-size:13px;cursor:pointer;padding:2px 6px;line-height:1;min-height:auto}.support-close:hover{color:#fff;background:transparent}.support-head{color:#e8f0f8;font-size:12px;font-weight:600;margin-bottom:8px;text-align:center;letter-spacing:.5px}.support-images{display:flex;flex-direction:column;gap:10px;align-items:center;margin-bottom:8px}.support-img-wrap{width:100%;display:flex;justify-content:center;align-items:center}.support-label{writing-mode:vertical-rl;letter-spacing:4px;font-size:11px;color:#fff;font-weight:600;background:transparent;border:0;text-align:center;align-self:stretch;display:flex;align-items:center;justify-content:center}.support-img-wrap img{width:210px;height:auto;border-radius:6px;border:1px solid #243443;display:block}.support-info{color:#8aa8bc;font-size:10.5px;line-height:1.55;text-align:center;margin:0}.support-info a{color:var(--accent);text-decoration:none;word-break:break-all}.support-info a:hover{text-decoration:underline}#supportBtn{border:0;background:transparent;color:var(--accent);font-size:11px;padding:0 8px;min-height:auto;cursor:pointer;font-weight:600}#supportBtn:hover{color:var(--accent);text-decoration:underline}