:root{color-scheme:dark;--bg:#0b1423;--panel:#121e30;--line:#2a3a50;--text:#edf3fb;--muted:#a7b7cc;--cyan:#4adee3;--violet:#b295ff;--surface:#19283d;font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:16px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.42;cursor:not-allowed}button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,.upload:focus-within{outline:2px solid var(--cyan);outline-offset:3px}button{min-height:44px;transition:background .15s,border-color .15s}button svg{vertical-align:middle;margin-right:7px}.topbar{border-bottom:1px solid var(--line);height:78px;display:flex;justify-content:space-between;align-items:center;padding:0 max(24px,calc((100vw - 1420px)/2));padding-top:env(safe-area-inset-top)}.brand{display:flex;align-items:center;gap:13px;font-size:24px;font-weight:650;letter-spacing:-.7px}.brand-light{font-weight:400;color:var(--muted)}.header-actions{display:flex;gap:18px;align-items:center}.private{font-size:14px;color:var(--muted);display:flex;align-items:center;gap:8px}main{max-width:1420px;margin:auto;padding:28px 24px 24px}.workspace-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:24px}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--cyan);margin:0 0 10px;font-weight:600}h1{font-size:26px;font-weight:500;letter-spacing:-.65px;margin:0}h2{font-size:17px;margin:0;font-weight:600}h3{font-size:14px;margin:0;font-weight:600}.secondary,.primary{border:1px solid var(--line);border-radius:8px;padding:10px 15px;line-height:1.3;font-size:14px;font-weight:550}.secondary{background:var(--surface);color:var(--text)}.secondary:hover{background:#24364c;border-color:#526781}.primary{background:var(--cyan);color:#081c27;border-color:var(--cyan);font-size:16px}.primary:hover{background:#79f0f2}.quiet{background:none;border:0;color:var(--muted);padding:8px;font-size:14px}.quiet:hover{color:var(--text)}.notice{background:#132b36;border:1px solid #284957;border-radius:8px;padding:10px 14px;display:flex;gap:12px;align-items:center;font-size:14px;color:#c6e7ed;margin-bottom:20px}.notice .quiet{margin-left:auto;white-space:nowrap}.tag{color:var(--cyan);font-size:11px;letter-spacing:1px;white-space:nowrap;border:1px solid #3a6470;border-radius:4px;padding:4px 6px}.layout{display:grid;grid-template-columns:minmax(325px,390px) minmax(0,1fr);align-items:start;gap:20px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden}.editor-panel{padding:20px}.panel-title{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:20px}.meta,.subtle{font-size:13px;line-height:1.5;color:var(--muted)}.face-tabs{display:flex;border:1px solid var(--line);padding:4px;border-radius:8px;margin-bottom:12px;gap:3px}.face-tab{flex:1;min-width:0;font-size:14px;border:0;background:none;color:var(--muted);padding:9px 8px;border-radius:5px;display:flex;align-items:center;gap:6px}.face-tab.active{color:var(--text);background:#26354b}.face-dot{width:7px;height:7px;display:inline-block;border-radius:50%;flex-shrink:0}.a{background:var(--cyan)}.b{background:var(--violet)}.ready{margin-left:auto;font-size:11px;color:#bfcddb}.upload{cursor:pointer;display:flex;gap:10px;align-items:center;justify-content:center;border:1px dashed #53657b;border-radius:8px;padding:12px;min-height:46px;font-size:14px;margin-bottom:14px;color:#d4dfed}.upload:hover{background:var(--surface)}.upload input{position:absolute;width:1px;height:1px;opacity:0}.image-editor{background:#0b111b;position:relative;border:1px solid var(--line);border-radius:8px;overflow:hidden;aspect-ratio:1}canvas{display:block;max-width:100%}#editor{width:100%;height:100%;object-fit:contain;touch-action:none;cursor:crosshair}.editor-empty{position:absolute;inset:0;display:grid;place-content:center;text-align:center;line-height:1.7;color:var(--text);pointer-events:none;font-size:16px}.editor-empty span{font-size:14px;color:var(--muted)}[hidden]{display:none!important}.image-name{position:absolute;bottom:8px;left:10px;right:10px;pointer-events:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:12px;color:#d4dfed;background:#0b1423bb;padding:4px 7px;border-radius:4px}.tool-hint{min-height:40px;font-size:13px;color:var(--muted);line-height:1.5;margin:10px 0 18px}.step-label{display:flex;align-items:center;gap:8px;margin:18px 0 10px}.step-label>span:first-child{font-size:12px;color:#8d9eb5;border:1px solid var(--line);border-radius:4px;padding:3px 5px}.step-label>.meta,.step-label>.toggle{margin-left:auto}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:8px}.tool.active{border-color:var(--cyan);background:#193f4b;color:var(--cyan)}.toggle{display:flex;align-items:center;gap:7px;cursor:pointer;font-size:13px;color:#d0dced;white-space:nowrap;min-height:30px}.toggle input{width:1px;height:1px;position:absolute;opacity:0}.switch{width:30px;height:18px;background:#36445a;border-radius:10px;position:relative;flex-shrink:0}.switch:after{content:'';position:absolute;top:3px;left:3px;height:12px;width:12px;background:#c7d3e4;border-radius:50%;transition:transform .15s}.toggle input:checked+.switch{background:#28616b}.toggle input:checked+.switch:after{transform:translateX(12px);background:var(--cyan)}.toggle input:focus-visible+.switch{outline:2px solid var(--cyan);outline-offset:3px}.mode-note{margin:0 0 12px;min-height:38px}.segment-controls{display:flex;flex-direction:column;gap:14px;margin-bottom:12px}.segment-controls label{font-size:13px;color:var(--muted);display:block}.segment-controls select{background:#0f1a2b;border:1px solid var(--line);border-radius:6px;color:var(--text);padding:10px;width:100%;margin-top:6px;font-size:14px}.range-label output{float:right;color:var(--text)}input[type=range]{appearance:none;height:26px;background:transparent;accent-color:var(--cyan);cursor:pointer;margin:0;width:100%;touch-action:pan-y}input[type=range]::-webkit-slider-runnable-track{height:4px;background:#354961;border-radius:2px}input[type=range]::-webkit-slider-thumb{appearance:none;width:20px;height:20px;background:var(--cyan);border:3px solid #173747;border-radius:50%;margin-top:-8px}input[type=range]::-moz-range-track{background:#354961;height:4px}input[type=range]::-moz-range-thumb{background:var(--cyan);border:3px solid #173747;border-radius:50%;width:16px;height:16px}.full{width:100%}.brush-tools{display:flex;gap:6px;align-items:center;margin:12px 0}.brush-tools .secondary{flex:1;padding:8px 9px}.brush-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}.brush-row input{flex:1;width:50px}.brush-row output{width:45px;text-align:right}.mask-footer{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);margin-top:10px}.alignment-panel{padding:20px}.metrics{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:10px;margin-bottom:20px}.metric{border-right:1px solid var(--line);padding-left:20px;min-width:0}.metric:first-child{padding-left:0}.metric:last-child{border:0}.metric>span{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}.metric-mini{border:1px solid #385264;border-radius:3px;font-size:10px;padding:2px 4px;margin-left:3px}.metric strong{font-size:34px;line-height:1.2;font-weight:500;font-variant-numeric:tabular-nums;letter-spacing:-1px}.metric:first-child strong{color:var(--cyan)}.metric strong span{font-size:23px;color:var(--muted)}.overlay-wrap{position:relative;background:#09111f;border:1px solid var(--line);border-radius:8px;overflow:hidden;max-height:590px}.overlay-wrap canvas{width:100%;max-height:590px;object-fit:contain}.overlay-badge{position:absolute;top:13px;left:14px;font-size:10px;letter-spacing:1.4px;color:#92a9c1}.overlay-scale{position:absolute;bottom:12px;right:14px;color:var(--muted);font-size:12px}.legend{display:flex;gap:20px;align-items:center;margin:12px 0 18px;font-size:13px;color:var(--muted);flex-wrap:wrap}.legend>span{display:flex;gap:7px;align-items:center}.legend i{height:9px;width:9px;border-radius:2px;display:inline-block}.legend .intersection{background:#f2f8ff}.legend>.toggle{margin-left:auto}.rotation-row{display:flex;align-items:center;gap:10px;margin:14px 0}.rotation-row>input{flex:1;min-width:45px}.nudge{padding:8px 10px;white-space:nowrap}.angle-input{display:flex;align-items:center;border:1px solid var(--line);border-radius:7px;background:#0b1423;padding:8px;color:var(--muted)}.angle-input input{width:57px;background:transparent;border:0;color:var(--text);padding:4px 0;font-size:14px;appearance:textfield}.angle-input input::-webkit-inner-spin-button{appearance:none}.action-row{display:flex;gap:10px}.action-row .primary{flex:1}.alignment-options{display:flex;align-items:center;justify-content:space-between;margin-top:12px}.result-note{font-size:14px;line-height:1.6;color:#ccd8e7;min-height:24px;margin:10px 0 18px}.detail-block{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 0;font-size:14px}.detail-block summary{cursor:pointer;min-height:28px;padding:5px 0;color:var(--muted)}.detail-metrics{display:flex;justify-content:space-between;gap:8px;margin:20px 0 15px;color:var(--muted);font-size:13px}.detail-metrics b{color:var(--text);margin-left:5px}.detail-block .subtle{font-size:12px;line-height:1.6}#curve{width:100%;height:auto}.export-row{display:flex;align-items:center;gap:12px;margin-top:20px}.export-row button:first-child{flex:1}footer{display:flex;justify-content:space-between;font-size:12px;line-height:1.6;color:#8397b0;margin:22px 0 0;gap:16px}dialog{background:var(--panel);border:1px solid #456077;color:var(--text);border-radius:12px;max-width:600px;width:calc(100% - 32px);padding:24px;max-height:85vh;line-height:1.65}dialog::backdrop{background:#000a;backdrop-filter:blur(4px)}.guide-heading{display:flex;align-items:center;justify-content:space-between}.guide-heading h2{font-size:22px}dialog ol{padding-left:22px;font-size:14px}dialog li{margin-bottom:16px}.guide-note{font-size:14px;color:#cbdbea;border-left:2px solid var(--cyan);padding-left:15px}#toast{position:fixed;bottom:max(20px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);max-width:calc(100% - 32px);padding:14px 20px;background:#253950;border:1px solid #60839a;box-shadow:0 8px 30px #0007;border-radius:9px;font-size:14px;z-index:20;line-height:1.5}
@media(min-width:1600px){.overlay-wrap,.overlay-wrap canvas{max-height:640px}}@media(max-width:900px){.layout{grid-template-columns:minmax(290px,340px) minmax(0,1fr);gap:12px}main{padding:24px 16px}.panel{padding:16px}.metrics{gap:0}.metric{padding-left:12px}.metric strong{font-size:27px}.metric>span{font-size:12px}.metric-mini{display:none}.rotation-row{gap:5px}.angle-input{display:none}.action-row{flex-wrap:wrap}.action-row .primary{width:100%}.legend{gap:12px}.export-row{flex-wrap:wrap}.panel-title>.meta{font-size:11px}}@media(max-width:700px){.topbar{height:70px;padding-left:16px;padding-right:16px}.brand{font-size:22px}.header-actions{gap:8px}.workspace-heading{margin-bottom:18px;align-items:flex-start}h1{font-size:21px;line-height:1.35;max-width:240px}.workspace-heading>.secondary{font-size:12px;padding:9px 11px;min-width:95px}.eyebrow{font-size:10px;letter-spacing:1.6px}.notice{flex-wrap:wrap;gap:8px;font-size:12px}.notice>span:nth-child(2){flex:1;min-width:200px}.notice .quiet{margin-left:0;width:100%;text-align:left;padding:0;min-height:30px;font-size:12px}.layout{display:flex;flex-direction:column;gap:16px}.panel{width:100%;padding:16px}.image-editor{width:100%;max-width:420px;margin-inline:auto;max-height:none;aspect-ratio:1}.editor-panel .tool-hint{min-height:20px;margin-bottom:12px}.metrics{gap:0}.metric strong{font-size:29px}.metric>span{font-size:12px;line-height:1.5}.metric-mini{display:none}.alignment-panel .panel-title>.meta{max-width:135px;text-align:right;line-height:1.4}.overlay-wrap,.overlay-wrap canvas{max-height:none}.rotation-row{gap:9px}.angle-input{display:flex;padding:6px}.angle-input input{width:47px}.rotation-row .secondary{font-size:12px;padding:8px}.action-row{flex-wrap:nowrap}.action-row .primary{font-size:14px;padding:11px}.action-row .secondary{font-size:12px;padding:10px}.legend{gap:16px;font-size:12px}.legend .toggle{font-size:12px}.export-row{gap:6px}.export-row .secondary{font-size:13px}footer{flex-direction:column;gap:4px;padding-bottom:env(safe-area-inset-bottom)}.ready{font-size:11px}.panel-title{margin-bottom:16px}.segment-controls{display:grid;grid-template-columns:1.35fr 1fr;align-items:end}.segment-controls select{font-size:12px;padding:9px 5px}.range-label input{margin:7px 0}.brush-row{margin-top:8px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}@media(max-width:350px){.angle-input{display:none}.legend{gap:10px}.metric strong{font-size:25px}.metrics .metric{padding-left:8px}.metrics .metric:first-child{padding-left:0}}