.pose-stage{position:relative;width:100%;background:#101a22;line-height:0;margin:18px 0}.pose-stage[hidden]{display:none}.pose-stage video{display:block;width:100%;max-height:none;height:auto;transform:scaleX(-1)}.pose-stage canvas{position:absolute;inset:0;width:100%;height:100%;transform:scaleX(-1);pointer-events:none}.pose-metrics{font-size:.9rem;color:var(--muted);min-height:2em}.regional-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.regional-grid .card{margin:0;padding:14px}.regional-grid .eyebrow{letter-spacing:.07em}.regional-grid .metric{font-size:2.2rem}.twin-observation{display:grid;gap:4px;border-bottom:1px solid var(--line);padding:14px 0}.twin-observation span{font-size:1.1rem}.recommendation{border-bottom:1px solid var(--line);padding:18px 0}.recommendation:last-of-type{border-bottom:0}.recommendation details{margin:8px 0}.survey-section{padding:18px 0}.survey-section summary{font-family:BarlowCondensed,system-ui;font-size:1.4rem}.warning{border-left:4px solid var(--accent);padding:12px;background:var(--panel)}.session-card .primary{display:inline-block}.session-card .eyebrow{color:#b7d2ea}@media(max-width:380px){.regional-grid,.grid{grid-template-columns:1fr}}
.regional-select{display:flex;gap:8px;overflow-x:auto;padding:4px 0 10px;scrollbar-width:thin}.regional-select button{flex:none;border-radius:999px;min-height:38px;padding:7px 12px}.regional-select button[aria-pressed="true"]{background:var(--accent);color:var(--bg);border-color:var(--accent)}.regional-age{display:grid;gap:5px;padding:13px 15px;background:var(--panel);border-left:3px solid var(--accent)}.regional-age strong{font-family:BarlowCondensed,system-ui;font-size:1.45rem}.regional-age small{line-height:1.45}.regional-panel{scroll-margin-top:20px}.atlas-canvas{touch-action:none;cursor:grab}.atlas-canvas:active{cursor:grabbing}
.stand-timer{font-family:BarlowCondensed,system-ui;font-size:clamp(3rem,15vw,6rem);font-variant-numeric:tabular-nums;text-align:center;padding:15px 0;color:var(--accent)}
.atlas-connectors{position:absolute;inset:0;width:100%;height:100%;z-index:3;pointer-events:none;overflow:visible}.atlas-connectors line{stroke:#d4e9f7;stroke-width:2;stroke-dasharray:4 4}.atlas-connectors line[data-lead=lower]{stroke:#93c9ef;stroke-width:2.5;stroke-dasharray:none}
.atlas-callout{position:absolute;z-index:4;display:grid;gap:2px;width:clamp(116px,37%,178px);min-height:69px;box-sizing:border-box;padding:8px 10px;border:1px solid #c5d9e6;border-left:4px solid #96bdd8;border-radius:5px;background:#f7fbffed;color:#223c50;text-align:left;text-decoration:none;box-shadow:0 6px 20px #071e3560;line-height:1.1;touch-action:manipulation}.atlas-callout small{font:600 .63rem Barlow,system-ui;letter-spacing:.1em}.atlas-callout strong{font:600 clamp(.9rem,3.3vw,1.15rem) BarlowCondensed,system-ui}.atlas-callout em{font:400 .68rem Barlow,system-ui;color:#567082}.atlas-callout:focus-visible{outline:3px solid #fff;outline-offset:3px}.atlas-shoulders{left:2%;top:16%}.atlas-lower{right:2%;top:42%}.atlas-knees{left:2%;top:67%}.atlas-lower.tone-older{border-left-color:#bd4a50;background:#fff1f0f5}.atlas-lower.tone-younger{border-left-color:#3e9b70;background:#e9fbf1f5}.atlas-lower.tone-overlap{border-left-color:#5a9bca;background:#edf6fff5}.atlas-key{position:absolute;z-index:4;left:8px;right:8px;bottom:8px;border-radius:5px;background:#092e49d9;color:#e8f5ff;text-align:center;padding:5px 8px;font:.7rem/1.25 Barlow,system-ui;pointer-events:none}
@media(max-width:380px){.atlas-callout{width:35%;padding:6px 7px;min-height:62px}.atlas-callout strong{font-size:.92rem}.atlas-callout em{font-size:.62rem}}
/* Immersive, data-first Twin. The anatomy is a reference model, not a scan. */
body.twin-route{background:#000;color:#f3f6f8;overflow:hidden}
body.twin-route>header{display:none}
body.twin-route main{max-width:none;padding:0;height:100dvh;overflow:hidden}
body.twin-route #tabs{background:#080b0eec;border-color:#2d3842;backdrop-filter:blur(12px)}
body.twin-route #tabs a{color:#a7b4c0}
body.twin-route #tabs a[aria-current=page]{color:#8cc5f0}
.native-twin{position:relative;width:100vw;height:100dvh;padding:0;background:#000}
.twin-topline{position:absolute;z-index:6;top:max(12px,env(safe-area-inset-top));left:16px;right:16px;display:flex;align-items:baseline;justify-content:space-between;gap:12px;pointer-events:none;text-shadow:0 2px 10px #000}
.twin-topline h1{font-size:1.8rem;margin:0;color:#fff}
.twin-topline span{font:.58rem/1.2 Barlow,system-ui;letter-spacing:.1em;color:#a2b4c2;text-align:right}
#anatomy-atlas,.native-twin .atlas-canvas{width:100%;height:100%}
.native-twin .atlas-canvas{background:#000;overflow:hidden}
.native-twin .atlas-canvas canvas{position:absolute;inset:0}
.native-twin .atlas-status{position:absolute;z-index:5;left:10px;right:10px;bottom:calc(85px + env(safe-area-inset-bottom));margin:0;text-align:center;color:#99aab5;font:.62rem/1.2 monospace;pointer-events:none}
.atlas-connectors line{stroke:#5b819e;stroke-width:1.2;stroke-dasharray:none;opacity:.8}
.atlas-callout.atlas-chip{top:var(--chip-top);left:2%;right:auto;width:min(30vw,128px);min-height:0;padding:5px 7px;gap:0;border:1px solid #425665;border-left:3px solid #7fb1d1;border-radius:3px;background:#101820e8;color:#f6fafc;box-shadow:none;transform:translateY(-50%);line-height:1}
.atlas-callout.atlas-chip[data-side=right]{left:auto;right:2%}
.atlas-callout.atlas-chip small{font:.58rem/1.15 Barlow,system-ui;letter-spacing:.03em;color:#b8c7d1}
.atlas-callout.atlas-chip strong{font:600 1.1rem/1.1 BarlowCondensed,system-ui;color:#e7f5ff}
.atlas-callout.atlas-chip em{font:.5rem/1.1 Barlow,system-ui;color:#9bacba}
.atlas-callout.atlas-chip[aria-pressed=true]{border-color:#c9e6fc;background:#213e52}
.atlas-callout.atlas-chip.tone-older{border-left-color:#df8b88}.atlas-callout.atlas-chip.tone-younger{border-left-color:#82c9a6}
.atlas-key{bottom:calc(110px + env(safe-area-inset-bottom));left:50%;right:auto;transform:translateX(-50%);width:max-content;max-width:95%;background:#071019cf;color:#bed2e0;font-size:.6rem;padding:5px 9px}
.twin-detail{position:absolute;z-index:7;left:0;right:0;bottom:calc(70px + env(safe-area-inset-bottom));max-height:min(53dvh,460px);overflow-y:auto;padding:18px 20px 23px;background:#11202cf5;color:#f4f7fa;border-top:1px solid #6389a6;box-shadow:0 -12px 35px #0009}
.twin-detail[hidden]{display:none}
.twin-detail h2{margin:2px 0 8px;text-transform:capitalize}.twin-detail p{margin:9px 0}.twin-detail .eyebrow{color:#94c9ed}.twin-detail .muted,.twin-detail small{color:#bdc9d2}
.twin-detail-value{font:600 2.5rem/1 BarlowCondensed,system-ui;color:#c4e6ff}
.twin-detail a{color:#a9d8fa}.twin-detail-close{float:right;color:#fff;border:1px solid #698195;font-size:1.3rem;min-width:44px;text-align:center}
@media(max-width:390px){.atlas-callout.atlas-chip{width:31vw;padding:4px 5px}.atlas-callout.atlas-chip strong{font-size:1rem}.atlas-callout.atlas-chip small{font-size:.52rem}}