.knee-app [hidden]{display:none!important}.knee-app .back-link{display:block;font-size:11px;color:#9bb2ca;text-decoration:none}.knee-app .brand-mark{text-decoration:none}.knee-app button:focus-visible,.knee-app input:focus-visible{outline:2px solid #8fc3ff;outline-offset:3px}.knee-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:15px 0}.knee-toolbar strong{display:block;font-size:12px}.knee-toolbar span{color:#99afc4;font-size:11px}.knee-search{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px 12px;align-items:center;margin-bottom:14px;padding:12px 14px;border:1px solid #29394d;border-radius:10px;background:#13202e}.knee-search label{font-size:12px;font-weight:700}.knee-search input{width:100%;min-width:0;min-height:44px;padding:9px 12px;border:1px solid #536d86;border-radius:7px;background:#09131e;color:#f0f7ff;font-size:16px}.knee-search p{grid-column:1/-1;margin:0;color:#9db5cc;font-size:11px}.knee-results{position:absolute;z-index:10;top:calc(100% - 1px);left:0;right:0;max-height:320px;overflow:auto;border:1px solid #55708a;border-radius:0 0 10px 10px;background:#101c29;box-shadow:0 14px 24px #0008}.knee-results button{display:flex;align-items:center;gap:9px;width:100%;min-height:44px;padding:9px 14px;border:0;border-bottom:1px solid #2a3b4d;background:transparent;color:#e9f3fc;text-align:left;font-size:12px}.knee-results button:hover,.knee-results button:focus-visible{background:#284967}.knee-slice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.knee-plane{min-width:0}.knee-plane .card-head h2,.knee-volume-card h2,.knee-controls h2{margin:0;font-size:14px}.knee-plane .card-head small,.knee-volume-card .card-head span{color:#91a8bf;font-size:10px}.knee-stage{height:clamp(300px,34vw,480px);position:relative;display:grid;place-items:center;overflow:hidden;background:#03060a;touch-action:none;cursor:crosshair;user-select:none}.knee-stage canvas{display:block;image-rendering:auto;touch-action:none}.knee-stage .orient{z-index:2}.knee-hair{position:absolute;pointer-events:none;z-index:1;border-left:1px solid #83d9fd;border-top:1px solid #83d9fd;filter:drop-shadow(0 0 2px #000);width:100%;height:100%;left:0;top:0}.knee-hair::after{content:"";position:absolute;width:8px;height:8px;left:-4px;top:-4px;border-radius:50%;border:1px solid white;background:#5caeff}.knee-stage .slice-readout{z-index:2}.knee-plane .card-foot{gap:6px}.knee-plane .slice-number{min-width:60px}.knee-current{display:flex;align-items:flex-start;gap:10px;padding:10px 14px;background:#13202e;border-top:1px solid #29394d;min-height:55px}.knee-current .region-swatch{margin-top:5px}.knee-current small{display:block;color:#91a9c1;font-size:10px}.knee-current b{display:block;font-size:13px;overflow-wrap:anywhere}.knee-current span:not(.region-swatch){display:block;color:#9db0c5;font-size:10px}.knee-slice-grid+.knee-current{margin-top:13px;border:1px solid #29394d;border-radius:10px}.knee-volume-layout{display:grid;grid-template-columns:minmax(170px,.52fr) minmax(0,1.65fr) minmax(220px,.62fr);gap:13px;align-items:start}.knee-mini-stack{display:grid;gap:8px}.knee-mini .card-head{padding:6px 9px}.knee-mini .card-head h2{font-size:11px}.knee-mini .card-head small{display:none}.knee-mini .knee-stage{height:clamp(120px,15vw,205px)}.knee-mini .card-foot{padding:5px 8px}.knee-mini .step{display:none}.knee-mini .slice-number{font-size:9px;min-width:48px}.knee-mini .orient{font-size:9px}.knee-mini .slice-readout{display:none}.knee-volume-stage{height:clamp(440px,64vh,720px);position:relative;background:#04070b;touch-action:none}.knee-volume-stage canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab}.knee-volume-stage canvas:active{cursor:grabbing}.knee-controls{display:grid;gap:15px;padding:16px}.knee-controls p{margin:0;font-size:11px;color:#9bafc4;line-height:1.5}.knee-isolate{display:flex;align-items:center;gap:8px;padding:10px;border:1px solid #446585;border-radius:8px;background:#173047;font-size:12px}.knee-isolate input{accent-color:#69afff}.knee-cut{display:grid;gap:10px;padding-top:12px;border-top:1px solid #304256}.knee-cut>b{font-size:12px}.knee-controls .volume-range input{width:100%;touch-action:none}.knee-app #knee-error{padding:14px;border:1px solid #ba655c;background:#42221f;border-radius:10px;margin:14px 0}.knee-app .volume-loading{font-size:12px;text-align:center;padding:18px}.knee-app .region-swatch{background:#60758c}.knee-app .view-tab{min-height:40px}.knee-app .step{min-width:28px;min-height:28px}
@media(max-width:1150px){.knee-slice-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.knee-volume-layout{grid-template-columns:minmax(170px,.5fr) minmax(0,1.5fr)}.knee-controls{grid-column:1/-1;grid-template-columns:repeat(2,minmax(0,1fr))}.knee-controls h2,.knee-controls p{grid-column:1/-1}}
@media(max-width:760px){.knee-slice-grid,.knee-volume-layout{grid-template-columns:1fr}.knee-stage{height:min(92vw,440px)}.knee-mini-stack{grid-template-columns:repeat(3,minmax(0,1fr));gap:5px}.knee-mini .knee-stage{height:135px}.knee-mini .card-foot{display:none}.knee-mini .card-head{padding:5px}.knee-mini .card-head h2{font-size:9px}.knee-mini .orient{font-size:8px}.knee-volume-stage{height:min(105vw,540px);min-height:350px}.knee-controls{grid-column:auto;grid-template-columns:1fr}.knee-toolbar{align-items:flex-start}.knee-search{grid-template-columns:1fr}.knee-app header{gap:8px}.knee-app h1{font-size:17px}.knee-app .pill{font-size:9px}.knee-app .card-foot{gap:5px}}

.knee-hair{width:0;height:0;border:0}.knee-hair::before{content:"";position:absolute;left:calc(-1 * var(--cx));top:0;width:var(--cw);border-top:1px solid #83d9fd}.knee-hair::after{content:"";position:absolute;left:0;top:calc(-1 * var(--cy));height:var(--ch);border-left:1px solid #83d9fd}
.knee-hair::after{width:0;border:0;border-left:1px solid #83d9fd;background:none;border-radius:0}