:root{color-scheme:dark;--bg:#0c111a;--panel:#131a25;--panel-alt:#192231;--border:#ffffff12;--text:#e7edf7;--muted:#92a1b6;--accent:#ff966d;--accent-dark:#241a15;--ramp:linear-gradient(90deg,#12348f,#1385dc,#19d6d6,#35c477,#ffe550,#f46122,#d5194a);font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;font-size:14px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{color:inherit;background:none;border:0;cursor:pointer}button{transition:background .16s,color .16s,border-color .16s}button:disabled{opacity:.25;cursor:default}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,#viewport:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button:hover:not(:disabled){background-color:#ffffff0b}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.icon-library{position:absolute;width:0;height:0;overflow:hidden}.app-header{height:76px;padding:0 30px;display:flex;align-items:center;border-bottom:1px solid var(--border);gap:26px}.brand{display:flex;gap:12px;align-items:center;color:var(--text);text-decoration:none;font-size:18px;font-weight:650;letter-spacing:2px}.brand-icon{width:38px;height:38px;background:var(--accent);color:#18202c;border-radius:10px;display:grid;place-items:center}.brand-icon svg{width:26px;height:26px}.brand-sub{font-size:10px;letter-spacing:4.5px;display:block;margin-top:2px;font-weight:500;color:var(--muted)}.document-name{display:flex;align-items:center;gap:14px;color:#b6c1d1;font-size:14px}.header-divider{height:24px;border-left:1px solid #ffffff1c;margin-right:6px}.version{font-family:Consolas,monospace;font-size:12px;border:1px solid #ffffff1a;border-radius:4px;padding:2px 5px;color:var(--muted)}.header-actions{display:flex;margin-left:auto;gap:18px;align-items:center}.quiet{display:flex;align-items:center;gap:8px;color:var(--muted);min-height:42px;padding:8px;border-radius:6px}.primary{display:flex;gap:8px;align-items:center;justify-content:center;padding:12px 19px;border-radius:7px;background:var(--accent);color:var(--accent-dark);font-weight:650;min-height:44px}.primary:hover:not(:disabled){background:#ffae8e}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 308px;min-height:calc(100vh - 76px)}.stage-column{display:flex;flex-direction:column;min-width:0;height:calc(100vh - 76px);min-height:650px}.stage{position:relative;flex:1;min-height:430px;background:#101d35;isolation:isolate;overflow:hidden}.stage-heading{position:absolute;left:32px;top:30px;pointer-events:none;z-index:2}.eyebrow{font-size:10px;font-weight:600;letter-spacing:2px;color:#8e9fb9}h1{font-size:25px;letter-spacing:1px;font-weight:500;margin:12px 0 10px}p{line-height:1.6}.stage-heading p{font-size:13px;color:#8e9fb9;margin:0}#viewport{position:absolute;inset:0;touch-action:none;cursor:crosshair}#viewport canvas{display:block;width:100%;height:100%}.loading{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:16px;pointer-events:none}.view-picker{position:absolute;right:24px;top:29px;display:flex;gap:4px;background:#0c1421bd;padding:4px;border:1px solid #ffffff13;border-radius:7px;z-index:3}.view-picker button{padding:7px 12px;font-size:13px;border-radius:4px;color:#95a5bf;min-height:34px}.view-picker .selected{background:#ffffff13;color:#edf1f8}.tool-rail{position:absolute;left:26px;top:50%;transform:translateY(-38%);z-index:3;padding:6px;background:#0e1725eb;border:1px solid #ffffff13;border-radius:10px;display:flex;flex-direction:column;gap:4px;box-shadow:0 8px 24px #0002}.tool{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:5px;border-radius:6px;color:#9aabc4;width:48px;height:54px;position:relative}.tool span{font-size:10px;letter-spacing:1px}.tool.active{color:var(--accent);background:#ff966d15}.rail-separator{border-top:1px solid var(--border);margin:4px 5px}.stage-bottom{position:absolute;bottom:22px;left:30px;right:24px;display:flex;align-items:center;justify-content:space-between;pointer-events:none;color:#8fa4c2;font:12px Consolas,monospace}#point-info{background:#0f192ba8;padding:8px 10px;border-radius:5px}.zoom-controls{display:flex;align-items:center;background:#0d1626db;border:1px solid #ffffff12;border-radius:6px;padding:3px;pointer-events:auto}.zoom-controls button{width:32px;height:30px;display:grid;place-items:center;border-radius:4px}.zoom-controls svg{width:16px;height:16px}.zoom-controls output{width:50px;text-align:center}.zoom-controls>span{height:18px;border-left:1px solid #ffffff12;margin:0 3px}.axis{position:absolute;bottom:84px;right:51px;width:43px;height:46px;font-size:10px;color:#869cbc;pointer-events:none}.axis:before{content:"";position:absolute;height:33px;border-left:1px solid #657b9d;left:20px;top:7px}.axis:after{content:"";position:absolute;width:33px;border-top:1px solid #657b9d;transform:rotate(-25deg);bottom:9px;left:5px}.axis-y{position:absolute;top:-5px;left:17px}.axis-x{position:absolute;right:-7px;bottom:12px}.axis-z{position:absolute;left:-6px;bottom:-1px}.preset-bar{min-height:143px;display:flex;gap:26px;padding:21px 30px;border-top:1px solid var(--border);background:#101722;align-items:center}.preset-heading{width:132px;flex-shrink:0;display:flex;flex-direction:column;gap:8px}.preset-heading .eyebrow{font-size:9px;letter-spacing:1px}.preset-heading strong{font-size:16px;font-weight:500}.preset-heading>span:last-child{font-size:11px;color:var(--muted)}.presets{display:flex;gap:12px;width:100%;min-width:0}.preset{width:20%;border:1px solid #ffffff10;border-radius:7px;overflow:hidden;padding:0;background:#151f2e;min-width:0}.preset.selected{border-color:#d08b69;background:#241f20}.preset canvas{display:block;width:100%;height:57px;opacity:.8}.preset>span{display:flex;align-items:center;justify-content:space-between;text-align:left;padding:6px 10px 9px;font-size:12px;color:#a3b2c7;white-space:nowrap}.preset.selected>span{color:#ffc4a7}.preset svg{width:13px;height:13px;visibility:hidden}.preset.selected svg{visibility:visible}.stage-footer{height:37px;flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:0 30px;color:#8695ac;font-size:11px;border-top:1px solid var(--border)}.live-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:#82bdb1;margin:0 7px 2px 0}.footer-separator{padding:0 9px;color:#536078}.inspector{border-left:1px solid var(--border);background:var(--panel);height:calc(100vh - 76px);min-height:650px;overflow:auto;scrollbar-width:thin;scrollbar-color:#3b465b transparent}.inspector-top{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border)}h2{font-size:15px;margin:0;font-weight:600}.history{display:flex;gap:6px}.history button{width:31px;height:31px;display:grid;place-items:center;color:#9babc2;border:1px solid #ffffff0e;border-radius:5px}.history svg{width:15px;height:15px}.panel-section{padding:22px;border-bottom:1px solid var(--border)}.section-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:19px}h3{font-size:14px;font-weight:550;margin:0}.tag{font-size:11px;color:#bcb8b6;background:#ffffff06;border:1px solid #ffffff0c;border-radius:4px;padding:3px 6px}.range-label{display:flex;justify-content:space-between;align-items:center;margin:17px 0 9px;font-size:13px;color:#a4b2c6}.range-label output{font:12px Consolas,monospace;color:#dce5f3;background:#1c2534;padding:3px 7px;border-radius:3px;min-width:43px;text-align:center}input[type=range]{width:100%;height:4px;appearance:none;border-radius:2px;cursor:pointer;display:block;margin:13px 0;background:linear-gradient(to right,#bd8c76 41%,#303a49 41%)}input[type=range]::-webkit-slider-thumb{appearance:none;width:12px;height:12px;border:2px solid #edb79b;border-radius:50%;background:#222b38;box-shadow:0 0 0 3px #141b2680}input[type=range]::-moz-range-thumb{width:9px;height:9px;border:2px solid #edb79b;border-radius:50%;background:#222b38}.range-endpoints{display:flex;justify-content:space-between;font-size:10px;color:#738198;margin-top:-1px}.selected-height{display:flex;justify-content:space-between;align-items:center;margin-top:24px;font-size:12px;color:#a4b2c6}.selected-height>div{display:flex;background:#0e1520;border:1px solid #ffffff0e;border-radius:5px;overflow:hidden}.selected-height button{width:26px;height:29px;color:#a7b6ca}.selected-height input{width:53px;background:none;border:0;color:#dce5f3;text-align:center;font:12px Consolas,monospace;appearance:textfield}.selected-height input::-webkit-inner-spin-button{appearance:none}.field-note{font-size:11px;color:#8190a7;margin:12px 0 0;line-height:1.7}.small-label{font-size:11px;color:#8797af}.palette-options{display:flex;gap:9px}.palette{height:26px;flex:1;border-radius:5px;background-image:var(--ramp);border:3px solid var(--panel);outline:1px solid #ffffff0a}.palette.selected{outline-color:#ffbb94}.color-scale{height:7px;border-radius:3px;background:var(--ramp);margin-top:18px}.scale-labels{display:flex;justify-content:space-between;margin-top:7px;color:#8f9db1;font:10px Consolas,monospace}.switch-row{display:flex;align-items:center;justify-content:space-between;position:relative;min-height:36px;font-size:13px;color:#b5c0d0;cursor:pointer}.switch-row input{position:absolute;right:0;width:32px;height:24px;opacity:0;cursor:pointer}.switch{width:29px;height:16px;border-radius:10px;background:#364155;pointer-events:none;transition:background .15s}.switch:after{content:"";display:block;width:10px;height:10px;margin:3px;border-radius:50%;background:#a1adbe;transition:transform .15s}.switch-row input:checked+.switch{background:#ba876e}.switch-row input:checked+.switch:after{transform:translateX(13px);background:#fce4d5}.switch-row input:focus-visible+.switch{outline:2px solid #ffb78f;outline-offset:4px}.compact{margin-top:10px;font-size:12px}.background-options{display:flex;gap:12px}.background-swatch{width:31px;height:31px;background:var(--swatch);border:3px solid var(--panel);outline:1px solid #ffffff1f;border-radius:50%}.background-swatch.selected{outline:1px solid #e6a280}.transparent{background-image:conic-gradient(#a1adbb 25%,#ecedf1 0 50%,#a1adbb 0 75%,#ecedf1 0);background-size:9px 9px}.inspector-bottom{display:flex;gap:12px;padding:22px;color:#78879e;align-items:center}.inspector-bottom>svg{width:24px;height:24px}.inspector-bottom strong{font-size:12px;font-weight:500;color:#a2b1c6}.inspector-bottom p{font-size:10px;margin:4px 0 0}dialog{width:min(460px,calc(100% - 32px));border:1px solid #ffffff1b;border-radius:14px;padding:28px;background:#151e2c;color:var(--text);box-shadow:0 20px 100px #0008}dialog::backdrop{background:#04080fcc;backdrop-filter:blur(7px)}.dialog-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px}.dialog-heading h2{font-size:22px;font-weight:500;margin-top:9px}.close{font-size:27px;color:#9aa9bd;width:38px;height:38px;border-radius:6px}.dialog-description{color:#9dadc3;font-size:13px}.dialog-label{display:block;font-size:13px;margin:23px 0 9px}select{width:100%;padding:12px;background:#0e1725;color:#dce4ef;border:1px solid #ffffff20;border-radius:6px}.export-transparent{margin:18px 0}.export-summary{padding:17px 0;border-top:1px solid var(--border);display:flex;justify-content:space-between;font-size:12px;color:#a6b5ca}.export-summary output{font-family:Consolas,monospace}.export-button{width:100%}.help-list{max-height:55vh;overflow:auto;margin:22px 0}.help-list dt{font-weight:600;color:#edc1a6;margin-top:18px;font-size:14px}.help-list dd{margin:6px 0 16px;color:#a4b4ca;font-size:13px;line-height:1.8}.full-width{width:100%}#toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%,15px);background:#edf0f7;color:#182131;padding:12px 20px;border-radius:8px;box-shadow:0 8px 25px #0004;z-index:10;font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;max-width:90vw}#toast.show{opacity:1;transform:translate(-50%,0)}.stage.light .stage-heading h1{color:#21324d}.stage.light .stage-heading .eyebrow,.stage.light .stage-heading p{color:#60718a}.stage.transparent-bg{background-color:#152035;background-image:conic-gradient(#1d2940 25%,transparent 0 50%,#1d2940 0 75%,transparent 0);background-size:24px 24px}
@media(min-width:1600px){.workspace{grid-template-columns:minmax(0,1fr) 336px}.panel-section{padding:24px}.stage-heading{left:38px;top:36px}h1{font-size:29px}.preset-bar{min-height:158px}.preset canvas{height:66px}}
@media(max-height:850px) and (min-width:901px){.panel-section{padding:16px 22px}.section-heading{margin-bottom:13px}.range-label{margin-top:12px}.selected-height{margin-top:18px}.inspector-bottom{padding:15px 22px}.stage-heading{top:23px}h1{font-size:23px}.preset-bar{min-height:126px;padding-top:14px;padding-bottom:14px}}
@media(max-width:1150px){.workspace{grid-template-columns:minmax(0,1fr) 280px}.app-header{padding:0 22px}.preset-heading{display:none}.presets{gap:8px}.preset-bar{padding-left:24px;padding-right:24px}.stage-footer>span:last-child{display:none}.stage-heading p{max-width:260px}.document-name .version{display:none}}
@media(max-width:900px){.app-header{height:66px;padding:0 16px;gap:15px}.brand{font-size:15px;letter-spacing:1.4px}.brand-sub{font-size:9px;letter-spacing:3px}.brand-icon{width:33px;height:33px}.document-name{display:none}.header-actions{gap:6px}.quiet span{display:none}.primary{padding:10px 13px;font-size:13px}.workspace{display:flex;flex-direction:column}.stage-column{height:75vh;min-height:650px}.stage{min-height:420px}.inspector{height:auto;min-height:0;display:grid;grid-template-columns:1fr 1fr;border-left:0;border-top:1px solid var(--border)}.inspector-top{grid-column:1/-1}.panel-section{border-right:1px solid var(--border)}.inspector-bottom{display:none}.stage-heading{left:20px;top:23px}h1{font-size:22px}.view-picker{right:16px;top:22px}.tool-rail{left:16px}.stage-bottom{left:16px;right:16px}.stage-footer{padding:0 20px}.preset-bar{padding:15px 16px;min-height:120px}}
@media(max-width:540px){.stage-column{height:660px;min-height:0}.stage-heading h1{font-size:20px;margin-top:9px}.stage-heading p{max-width:190px;font-size:11px;line-height:1.7}.stage-heading .eyebrow{font-size:9px}.view-picker{top:24px;gap:0}.view-picker button{font-size:11px;padding:6px 8px;min-height:30px}.tool-rail{left:12px;padding:4px;transform:translateY(-33%)}.tool{width:38px;height:45px}.tool svg{width:18px;height:18px}.tool span{font-size:9px}.presets{overflow:auto;gap:9px;padding:1px}.preset{min-width:90px}.preset canvas{height:45px}.preset>span{font-size:11px}.stage-bottom{font-size:10px;bottom:17px}.stage-bottom #point-info{padding:8px 5px}.zoom-controls output{width:35px}.zoom-controls button{width:28px}.axis{right:40px;bottom:78px}.inspector{grid-template-columns:1fr}.panel-section{padding:22px}.header-actions .quiet{padding:7px}.brand{gap:8px}.brand-sub{letter-spacing:2.8px}.stage-footer{font-size:10px}.stage-footer .footer-separator{padding:0 5px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}