:root{--bg:#07101a;--panel:#0e1924;--panel2:#121e29;--line:#263744;--line2:#344552;--text:#e8f3f4;--muted:#718696;--lime:#a8ff8d;--orange:#ff8059;--cyan:#39ead6;--violet:#ae8aff;--head:'Chakra Petch',sans-serif;--body:'DM Sans',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--body);font-size:13px}button,input{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,.dropzone:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}::selection{background:var(--orange);color:#07101a}.backdrop-grid{position:fixed;inset:0;pointer-events:none;opacity:.3;background-image:linear-gradient(rgba(70,140,160,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(70,140,160,.08) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse at center,#000,transparent 83%)}.app{width:100%;min-height:100vh;position:relative;display:flex;flex-direction:column}.topbar{height:88px;flex-shrink:0;background:#0a1520ec;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 30px;z-index:4}.brand{display:flex;align-items:center;gap:15px;min-width:250px}.brand-mark{width:43px;height:43px;color:var(--orange);filter:drop-shadow(0 0 13px #ff805956)}.brand-mark svg{width:100%;height:100%}.brand-name{font:700 23px/1 var(--head);letter-spacing:.09em}.brand-name span{color:var(--orange)}.brand-name sup{vertical-align:super;font:10px var(--head);padding-left:3px;color:#c9d3dc}.brand-sub{font:600 9px var(--head);letter-spacing:.24em;color:var(--muted);margin-top:8px}.top-middle{font:600 10px var(--head);letter-spacing:.16em;color:#abbfc9;display:flex;gap:10px;align-items:center}.eyebrow-dot,.live-dot{width:7px;height:7px;background:var(--cyan);display:inline-block;box-shadow:0 0 12px var(--cyan);border-radius:50%}.top-serial{color:#537182}.top-actions{display:flex;gap:15px;align-items:center}.chip{font:600 10px var(--head);letter-spacing:.1em;white-space:nowrap;border:1px solid #235449;color:var(--cyan);padding:9px 12px;display:flex;gap:9px;align-items:center;clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);background:#12302f}.angled-btn{clip-path:polygon(13px 0,100% 0,100% calc(100% - 13px),calc(100% - 13px) 100%,0 100%,0 13px);border:0;display:flex;align-items:center;justify-content:space-between;gap:15px;font:700 12px var(--head);letter-spacing:.11em;padding:16px 17px;white-space:nowrap;transition:filter .2s,transform .2s}.angled-btn:hover{filter:brightness(1.19);transform:translateY(-2px)}.angled-btn:active{transform:translateY(0)}.angled-btn.small{padding:11px 15px;font-size:10px}.angled-btn.outline{color:var(--text);background:#233341}.button-arrow{font-size:16px;color:var(--cyan)}.angled-btn.primary{background:var(--orange);color:#1e2028;flex:1}.angled-btn.alternate{background:#284151;color:var(--cyan);flex:1}.workspace{display:grid;grid-template-columns:minmax(284px,304px) minmax(460px,1fr) minmax(310px,344px);min-height:calc(100vh - 128px);flex:1;overflow:hidden}.left-panel,.right-panel{background:linear-gradient(155deg,#101e29 0%,#0c1722 85%);padding:25px 23px;overflow:auto;scrollbar-color:#364f5d transparent;scrollbar-width:thin}.left-panel{border-right:1px solid var(--line)}.right-panel{border-left:1px solid var(--line)}.panel-tag{display:flex;justify-content:space-between;align-items:center;color:#a5baca;letter-spacing:.13em;font:700 10px var(--head);border-left:2px solid var(--orange);padding:4px 0 4px 10px}.panel-index{color:var(--orange)}.section-intro{margin:28px 0 30px}.orange-kicker{font:700 10px var(--head);color:var(--orange);letter-spacing:.17em}.section-intro h1{font:700 clamp(38px,3.3vw,53px)/.95 var(--head);letter-spacing:-.055em;margin:14px 0 18px}.section-intro h1 em{font-style:normal;color:var(--orange);letter-spacing:-.045em}.section-intro p,.right-title p{line-height:1.65;color:#8ba2b1;font-size:12px;margin:0;max-width:275px}.mini-heading{display:flex;align-items:center;gap:12px;margin:26px 0 15px;font:700 11px var(--head);letter-spacing:.12em;color:#ccdee6}.thin-line{height:1px;background:var(--line);flex:1}.tiny-corner{color:var(--orange)}.dropzone{min-height:160px;padding:18px 13px;border:1px dashed #557082;background:linear-gradient(140deg,#18323c77,#0c1a2b);clip-path:polygon(16px 0,100% 0,100% calc(100% - 16px),calc(100% - 16px) 100%,0 100%,0 16px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;transition:background .2s,border-color .2s;text-align:center}.dropzone:hover,.dropzone.dragover{border-color:var(--cyan);background:#1d3b3d}.upload-icon{color:var(--cyan);width:32px;height:32px}.upload-icon svg{width:100%;height:100%}.dropzone strong{font:700 13px var(--head);letter-spacing:.09em}.dropzone span{color:var(--cyan);font:600 10px var(--head);letter-spacing:.09em}.dropzone small{color:var(--muted);font-size:10px}.button-row{display:flex;gap:8px;margin-top:10px}.dataset-card{margin-top:17px;background:#182735;border:1px solid #2d4350;padding:15px 11px;display:flex;gap:10px;align-items:flex-start;clip-path:polygon(0 0,calc(100% - 13px) 0,100% 13px,100% 100%,0 100%)}.dataset-indicator{height:8px;width:8px;flex:none;background:var(--lime);box-shadow:0 0 9px #a8ff8d88;margin-top:5px}.dataset-info{flex:1;min-width:0}.dataset-label{font:600 9px var(--head);color:#829bac;letter-spacing:.15em}.dataset-info strong{display:block;font:700 13px var(--head);letter-spacing:.05em;margin:6px 0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dataset-info>span{font:600 9px var(--head);color:var(--cyan);letter-spacing:.05em}.dataset-arrow{color:#7698a5}.control-group{margin:20px 0 25px}.control-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}.control-head label{font:700 10px var(--head);letter-spacing:.09em;color:#c0d1d9}.control-head output{color:var(--orange);font:700 12px var(--head)}input[type=range]{accent-color:var(--orange);cursor:pointer;width:100%;height:5px;display:block}.range-legend{display:flex;justify-content:space-between;margin-top:10px;color:var(--muted);font:600 9px var(--head);letter-spacing:.08em}.toggle-line{display:flex;align-items:center;justify-content:space-between;padding:16px 0;border-top:1px solid var(--line)}.toggle-line strong{font:700 11px var(--head);letter-spacing:.08em;display:block}.toggle-line small{color:var(--muted);margin-top:5px;display:block}.switch{position:relative;display:inline-block;width:43px;height:23px;flex:none}.switch input{opacity:0;width:0;height:0}.switch span{position:absolute;inset:0;background:#334857;cursor:pointer;transition:.2s;clip-path:polygon(5px 0,100% 0,100% calc(100% - 5px),calc(100% - 5px) 100%,0 100%,0 5px)}.switch span:before{content:"";position:absolute;left:4px;top:4px;height:15px;width:15px;background:#8aa0ac;transition:.2s}.switch input:checked+span{background:#225e58}.switch input:checked+span:before{transform:translateX(20px);background:var(--cyan)}.stage{position:relative;min-width:0;background:radial-gradient(ellipse at 58% 39%,#153044 0%,#0b1b2a 47%,#091421 85%);display:flex;flex-direction:column}.stage-top{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;padding:27px 29px 10px;position:relative;z-index:2}.stage-titles h2{font:700 clamp(24px,2.2vw,32px) var(--head);letter-spacing:.035em;margin:9px 0}.stage-titles h2 span{color:var(--orange)}.spark{color:var(--lime)}.subline{font:600 10px var(--head);letter-spacing:.12em;color:#7998a7}.small-line{display:inline-block;background:var(--orange);width:13px;height:2px;vertical-align:middle;margin-right:5px}.view-buttons{display:flex;gap:2px;background:#102532;border:1px solid #254150;padding:4px;clip-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px)}.view-btn{background:transparent;border:0;color:#7f9baa;padding:11px 13px;font:700 10px var(--head);letter-spacing:.1em;transition:background .2s,color .2s}.view-btn.selected,.view-btn:hover{color:#071421;background:var(--cyan);clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px)}.render-shell{flex:1;position:relative;min-height:500px;margin:9px 19px 19px;border:1px solid #254253;background:radial-gradient(ellipse at 48% 46%,#163b49bd 0%,#10293889 34%,#0917217d 75%);overflow:hidden}.render-shell:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 49.92%,#49a4ae16 50%,transparent 50.08%),linear-gradient(transparent 49.92%,#49a4ae16 50%,transparent 50.08%);pointer-events:none}.render-shell:after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent 0 3px,#a0e7f103 3px 4px);pointer-events:none}.render-shell:fullscreen{margin:0;background:#091c29}#scene{position:absolute;inset:0;touch-action:none}#scene canvas{display:block;width:100%;height:100%}.corner-label{position:absolute;font:700 10px var(--head);letter-spacing:.12em;z-index:2;color:#c4d9df;pointer-events:none}.top-left{top:20px;left:19px}.top-right{top:20px;right:19px;color:var(--lime)}.corner-mark{border:1px solid var(--orange);width:7px;height:7px;display:inline-block;transform:rotate(45deg);margin-right:10px}.status-dot{width:6px;height:6px;border-radius:50%;display:inline-block;background:var(--lime);margin-right:7px;box-shadow:0 0 8px var(--lime)}.mono{color:#5c93a3}.edge{position:absolute;width:26px;height:26px;pointer-events:none;z-index:2}.edge.a{top:-1px;left:-1px;border-top:2px solid var(--orange);border-left:2px solid var(--orange)}.edge.b{top:-1px;right:-1px;border-top:2px solid var(--orange);border-right:2px solid var(--orange)}.edge.c{bottom:-1px;left:-1px;border-bottom:2px solid var(--orange);border-left:2px solid var(--orange)}.edge.d{bottom:-1px;right:-1px;border-bottom:2px solid var(--orange);border-right:2px solid var(--orange)}.scene-label{position:absolute;left:25px;bottom:27px;display:flex;flex-direction:column;gap:7px;pointer-events:none;max-width:320px}.scene-label span{font:700 10px var(--head);letter-spacing:.13em;color:var(--orange)}.scene-label strong{font:700 20px var(--head);letter-spacing:.1em}.scene-label small{color:#7d9dad;font-size:10px}.scene-help{position:absolute;right:25px;bottom:33px;font:700 9px var(--head);letter-spacing:.09em;color:#87a8b8}.scene-help span{color:var(--orange);padding:0 7px}.scene-toolbar{position:absolute;right:20px;top:70px;display:flex;flex-direction:column;gap:5px}.scene-toolbar button{border:1px solid #486475;background:#142b3ddf;color:#d4eaed;width:37px;height:37px;font-size:21px;transition:.2s}.scene-toolbar button:hover{background:var(--orange);color:#101e29}.axis-widget{position:absolute;left:21px;top:69px;display:flex;flex-direction:column;gap:3px;font:600 10px var(--head)}.axis-widget div{display:flex;gap:7px;align-items:center;color:#648fa1}.axis-widget b{color:var(--orange);font-size:12px}.stage-foot{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding:0 27px 24px}.live-metric{border-left:2px solid #35515d;padding-left:12px;display:flex;flex-direction:column;gap:8px;min-width:0}.live-metric:first-child{border-color:var(--orange)}.live-metric span{font:600 9px var(--head);letter-spacing:.1em;color:#72909f}.live-metric strong{font:700 12px var(--head);letter-spacing:.04em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.right-title{margin:27px 0 23px}.right-title h3{font:700 35px/.9 var(--head);margin:13px 0 16px;letter-spacing:-.05em}.right-title h3 em{font-style:normal;color:var(--cyan)}.slice-card{border:1px solid #2c4351;background:linear-gradient(130deg,#152735,#0d1925);margin:12px 0;padding:12px;clip-path:polygon(0 0,calc(100% - 15px) 0,100% 15px,100% 100%,0 100%)}.slice-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.slice-head>div{display:flex;gap:7px;align-items:center}.slice-head strong{font:700 12px var(--head);letter-spacing:.09em}.slice-number{color:var(--orange);font:700 10px var(--head)}.slice-orientation{font:600 9px var(--head);color:#658596}.slice-head output{font:700 10px var(--head);color:var(--cyan)}.slice-canvas{display:block;width:100%;height:158px;object-fit:contain;image-rendering:auto;background:#050c13;cursor:crosshair;border:1px solid #28404b}.slice-bottom{display:flex;align-items:center;gap:7px;margin-top:12px}.slice-bottom span{font:600 8px var(--head);letter-spacing:.05em;color:#7793a2}.slice-bottom input{min-width:25px;flex:1;accent-color:var(--cyan)}.compact{margin:18px 0}.note-box{display:flex;gap:12px;padding:14px;background:#37271d88;border-left:2px solid var(--orange);margin:28px 0 2px}.note-symbol{font:700 20px var(--head);color:var(--orange)}.note-box strong{font:700 11px var(--head);color:var(--orange);letter-spacing:.07em}.note-box p{margin:7px 0 0;font-size:11px;line-height:1.5;color:#c5a993}.footer{min-height:40px;display:flex;align-items:center;justify-content:space-between;padding:10px 25px;gap:15px;border-top:1px solid var(--line);background:#08131d;color:#7a93a2;font:600 9px var(--head);letter-spacing:.09em}.footer>:nth-child(2){color:var(--cyan);text-align:center}.footer-light{color:var(--lime)}#toast{position:fixed;bottom:58px;left:50%;transform:translate(-50%,20px);opacity:0;pointer-events:none;z-index:20;background:#1d3640;color:#edfafc;border:1px solid var(--cyan);padding:13px 24px;font:700 12px var(--head);letter-spacing:.05em;max-width:min(90vw,600px);transition:opacity .25s,transform .25s;text-align:center}#toast.visible{opacity:1;transform:translate(-50%,0)}#toast.error{border-color:var(--orange);background:#3c2929}
@media(max-width:1340px){.workspace{grid-template-columns:270px minmax(360px,1fr) 290px}.left-panel,.right-panel{padding:21px 17px}.stage-top{padding:24px 20px 10px}.stage-foot{padding:0 18px 19px}.view-btn{padding:9px}.scene-help{display:none}.section-intro h1{font-size:39px}}
@media(max-width:1070px){.top-middle{display:none}.workspace{display:grid;grid-template-columns:minmax(240px,285px) minmax(0,1fr)}.right-panel{grid-column:1/-1;border-top:1px solid var(--line);border-left:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 14px;align-content:start}.right-panel>.panel-tag,.right-panel>.right-title,.right-panel>.mini-heading,.right-panel>.control-group,.right-panel>.note-box{grid-column:1/-1}.right-title{margin-bottom:9px}.slice-canvas{height:180px}.render-shell{min-height:540px}.stage-foot{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.topbar{height:72px;padding:0 15px}.brand{min-width:0;gap:9px}.brand-mark{width:34px;height:34px}.brand-name{font-size:17px}.brand-sub{font-size:7px;letter-spacing:.12em}.top-actions .chip{display:none}.angled-btn.small{padding:10px;font-size:9px}.workspace{display:flex;flex-direction:column}.stage{order:0;min-height:635px}.left-panel{order:1;border-top:1px solid var(--line);border-right:0}.right-panel{order:2;display:block}.stage-top{flex-wrap:wrap;padding:24px 17px 9px}.stage-titles h2{font-size:26px}.view-buttons{margin-top:4px}.render-shell{margin:8px 12px 17px;min-height:420px}.scene-label{left:14px;bottom:18px}.scene-label strong{font-size:16px}.top-left{top:14px;left:12px;font-size:8px}.top-right{top:14px;right:12px;font-size:8px}.scene-toolbar{right:12px;top:55px}.axis-widget{left:12px;top:55px}.stage-foot{padding:0 13px 20px;gap:14px}.live-metric strong{font-size:11px}.section-intro h1{font-size:45px}.left-panel,.right-panel{padding:20px 17px}.slice-canvas{height:230px}.footer{flex-wrap:wrap;justify-content:center;text-align:center;font-size:8px;line-height:1.5}.footer>:nth-child(2){order:3;width:100%}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}

/* Reference specimen selector: crisp, angular, high-contrast, responsive */
.specimen-switch{display:flex;align-items:center;flex-wrap:wrap;gap:9px 15px;margin:9px 19px 2px;padding:12px 4px;position:relative;z-index:2;border-top:1px solid #234454;border-bottom:1px solid #234454}
.switch-label{display:flex;align-items:center;gap:9px;font:700 10px var(--head);letter-spacing:.1em;color:#acc7d4;white-space:nowrap}
.mode-diamond{color:var(--orange);font-size:11px}
.display-group,.anatomy-filter-group{display:flex;flex-wrap:wrap;gap:3px}
.display-group button,.anatomy-filter-group button{font:700 10px var(--head);letter-spacing:.07em;background:#1b3543;color:#b2cbd8;border:1px solid #32515b;padding:9px 10px;clip-path:polygon(7px 0,100% 0,100% calc(100% - 7px),calc(100% - 7px) 100%,0 100%,0 7px);transition:background .2s,color .2s}
.display-group button:hover,.anatomy-filter-group button:hover{border-color:var(--cyan);color:#eff}
.display-group .selected{background:var(--orange);color:#16202b;border-color:var(--orange)}
.anatomy-filter-group{margin-left:auto}
.anatomy-filter-group button{font-size:9px;padding:8px}
.anatomy-filter-group button.selected{background:#1f635c;border-color:var(--cyan);color:var(--cyan)}
.reference-credits{border:1px solid #2b5664;background:#0d2731;margin:17px 0 12px;padding:13px 15px;line-height:1.5;clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,0 100%)}
.credit-eyebrow{font:700 10px var(--head);letter-spacing:.12em;color:var(--cyan)}
.reference-credits p{color:#97b1be;font-size:10px;line-height:1.6;margin:9px 0 0}
.reference-credits a{color:var(--lime);text-underline-offset:3px}
.reference-credits a:hover{color:var(--orange)}
.control-group input:disabled{opacity:.35;cursor:not-allowed}
@media(max-width:1340px){.anatomy-filter-group{margin-left:0}.specimen-switch{gap:8px}.display-group button{font-size:9px;padding:8px}}
@media(max-width:720px){.specimen-switch{margin:12px 12px 2px;padding:10px 1px;gap:8px}.switch-label{width:100%}.display-group{flex:1;gap:4px}.display-group button{font-size:9px;padding:10px 9px}.anatomy-filter-group{flex-basis:100%}.anatomy-filter-group button{flex:1}.stage{min-height:720px}}