:root{color-scheme:dark;--bg:#0b121a;--panel:#101a24;--line:#25323e;--text:#eef1ed;--muted:#9baab8;--mint:#a6eed1}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.5}button,select{font:inherit;color:inherit;background:#192530;border:1px solid var(--line);border-radius:6px;padding:8px 12px;cursor:pointer}button:hover{border-color:var(--mint);color:var(--mint)}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--mint);outline-offset:4px}header{height:84px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 32px}.brand{font-size:36px;font-weight:700;letter-spacing:-2px;color:var(--text);text-decoration:none}.brand span{font-size:12px;letter-spacing:2px;font-weight:400;vertical-align:middle;margin-left:18px;color:var(--muted)}.edition{font-size:12px;letter-spacing:2px;color:var(--muted)}.edition b{color:var(--text);font-weight:400;margin-left:24px}main{display:grid;grid-template-columns:250px minmax(380px,1fr) 310px;min-height:780px}.patterns{padding:30px 22px;border-right:1px solid var(--line)}.eyebrow{font-size:12px;letter-spacing:1.8px;font-weight:600;color:var(--muted)}h1{font-size:28px;letter-spacing:-1px;line-height:1.15;margin:15px 0}.intro{color:var(--muted);font-size:14px;margin:0 0 28px}nav{display:flex;flex-direction:column;gap:5px}nav button{background:transparent;border:1px solid transparent;text-align:left;font-size:14px;padding:11px 10px;display:flex;gap:12px;align-items:center}nav button span{color:#718291;font-size:12px;font-family:monospace}nav button.active{background:#213831;border-color:#375347;color:#c4f9e0}nav button.active span{color:var(--mint)}.layer-section{border-top:1px solid var(--line);padding-top:25px;margin-top:27px}.layer-section .eyebrow{margin-bottom:13px}.layer-section label{display:flex;align-items:center;gap:9px;font-size:14px;margin:10px 0;cursor:pointer}input{accent-color:var(--mint)}input[type=checkbox]{width:15px;height:15px;margin-right:5px}.layer-section i{width:8px;height:8px;border-radius:50%;background:var(--c)}.small{font-size:12px;color:var(--muted);margin-top:24px;line-height:1.7}.workspace{position:relative;min-width:0;background:radial-gradient(ellipse at 50% 35%,#1e2f3c 0%,#101923 70%)}.stage-head{position:absolute;z-index:2;top:27px;left:28px;right:28px;display:flex;justify-content:space-between;pointer-events:none}.stage-head h2{font-size:23px;margin:5px 0;font-weight:500;letter-spacing:-.5px}.pill{font:11px monospace;border:1px solid #43515d;border-radius:20px;padding:5px 12px;height:29px;color:#bbc9d2}#viewport{height:605px;position:relative;touch-action:none}canvas{display:block;width:100%;height:100%}.viewbar{position:absolute;z-index:3;bottom:48px;left:50%;transform:translateX(-50%);display:flex;padding:4px;gap:2px;background:#0c141ee8;border:1px solid var(--line);border-radius:8px;white-space:nowrap}.viewbar button{padding:6px 10px;font-size:12px;border:0;background:none}.viewbar button.active{background:#2e414d;color:#dff8ed}.stage-caption{position:absolute;bottom:17px;left:25px;right:25px;display:flex;justify-content:space-between;font-size:11px;color:var(--muted);gap:10px}#phase{letter-spacing:2px;color:var(--mint)}.transport{display:flex;align-items:center;gap:16px;border-top:1px solid var(--line);padding:18px 26px;background:#111b25}.play{color:#102119;background:var(--mint);width:41px;font-weight:bold}.timeline{flex:1;font-size:10px;letter-spacing:1.5px;color:var(--muted)}.timeline input{display:block;width:100%;margin-top:8px}.transport select,.transport>button:last-child{font-size:12px}.metrics{display:flex;justify-content:space-evenly;padding:22px 10px 4px}.metrics>div{display:flex;flex-direction:column}.metrics span{font-size:10px;letter-spacing:1px;color:var(--muted)}.metrics strong{font-size:29px;font-weight:400;letter-spacing:-1px}.metric-note{font-size:11px;text-align:center;color:var(--muted);margin:9px 10px 18px}.details{border-left:1px solid var(--line);padding:30px 25px;background:#101923}.details h2{font-size:25px;line-height:1.2;letter-spacing:-.5px;margin:13px 0}.details p{font-size:14px;line-height:1.65;color:#b9c5cd}.details h3{font-size:14px;margin:19px 0 4px;color:#e6ecee}.tag{font-size:11px;display:inline-block;padding:3px 8px;border-radius:3px;background:#28323d;color:#ccd8e2}.divider{height:1px;background:var(--line);margin:23px 0}.cue{margin-top:24px;padding:16px;border-left:2px solid var(--mint);background:#1b2e2b}.cue .eyebrow{color:var(--mint);font-size:10px}.cue p{color:#e5f7ee;font-size:16px;margin:10px 0}.cue button{padding:0;border:0;color:var(--mint);background:none;font-size:12px}.inspect{margin-top:24px}.inspect p{font-size:12px}.inspect h3{margin-top:8px}footer{border-top:1px solid var(--line);padding:18px 30px;color:var(--muted);font-size:12px;display:flex;gap:20px;justify-content:space-between}footer details{flex:1}summary{cursor:pointer;color:#d0dbe3}.footgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;font-size:14px;padding:20px 0}a{color:var(--mint)}#annotation{position:absolute;top:135px;left:25px;max-width:190px;font-size:12px;color:#d4e4ed;pointer-events:none;border-left:2px solid #dba964;padding:6px 10px;background:#0b141bc9}#annotation:empty{display:none}#fallback{position:absolute;top:40%;padding:30px;color:#ffcc9e}@media(min-width:1550px){main{grid-template-columns:280px minmax(500px,1fr) 350px}#viewport{height:690px}}@media(max-width:1100px){main{grid-template-columns:210px minmax(350px,1fr)}.details{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:0 30px;padding:25px}.details>.eyebrow,.details>h2,.details>.tag,.details>.divider{grid-column:1/-1}.details>.tag{justify-self:start}.details h3{margin-top:12px}.details p{margin:7px 0}.details .cue,.details .inspect{grid-column:auto}.edition{display:none}}@media(max-width:640px){header{height:70px;padding:0 20px}.brand span{font-size:10px;margin-left:10px}main{display:flex;flex-direction:column}.patterns{padding:20px;border-right:0}.patterns h1{font-size:24px;margin:8px 0}.intro,.patterns>.eyebrow,.patterns>.small{display:none}nav{display:grid;grid-template-columns:1fr 1fr;margin-top:18px}nav button{padding:7px;font-size:12px}.layer-section{display:flex;flex-wrap:wrap;gap:6px 15px;margin-top:15px;padding-top:12px}.layer-section .eyebrow{display:none}.layer-section label{margin:2px 0;font-size:12px}.stage-head{top:18px;left:20px}.stage-head h2{font-size:20px}#viewport{height:520px}.viewbar{max-width:96%;bottom:51px}.viewbar button{padding:7px;font-size:11px}.stage-caption{font-size:10px;left:14px;right:14px}.transport{padding:15px;gap:10px}.metrics span{font-size:9px}.details{display:block;padding:24px}.details p{margin:10px 0}footer{padding:20px;display:block}.footgrid{display:block}footer>span{display:block;margin-top:20px}#annotation{top:110px;max-width:150px;font-size:11px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}

/* White research surface */
:root{color-scheme:light;--bg:#fff;--panel:#fff;--line:#d7e0e5;--text:#182630;--muted:#536573;--mint:#087258}
body,.workspace,.details{background:#fff}button,select{background:#f2f6f7}nav button.active{background:#e5f3ec;border-color:#acd1bf;color:#164f3d}nav button span{color:#607080}.pill{border-color:#c1cdd4;color:#536573}.viewbar{background:#fffffff2}.viewbar button.active{background:#e2eeea;color:#174936}.transport{background:#f8fafb}.play{background:#087258;color:#fff}.details p{color:#455965}.details h3{color:#182630}.tag{background:#edf2f4;color:#344d5d}.cue{background:#edf7f2}.cue p{color:#234a3d}summary{color:#294859}#annotation{color:#554020;background:#fff8eaf2;border-color:#bd812f}#fallback{color:#8a411a}.metric-note{font-size:12px}.angle-method{margin:12px 26px 22px;font-size:14px}.angle-method p{color:var(--muted)}.angle-method table{width:100%;border-collapse:collapse;font-size:13px}.angle-method th,.angle-method td{text-align:left;border-bottom:1px solid var(--line);padding:9px;vertical-align:top}.angle-method th{color:#253e4c}.angle-method code{font-size:12px;white-space:normal}

/* Keep camera controls outside the model viewport at every screen size. */
.viewbar{position:static;inset:auto;transform:none;z-index:auto;display:flex;flex-wrap:wrap;justify-content:center;gap:6px;width:100%;max-width:none;margin:0;padding:10px 16px;border:0;border-top:1px solid var(--line);border-radius:0;background:#fff;white-space:normal}.viewbar button{font-size:14px;padding:8px 12px;min-height:38px}

/* Simplified atlas: a wider model area with no movement-notes sidebar. */
main{grid-template-columns:250px minmax(0,1fr)}.inspector-below{margin:20px 26px;padding:18px 0;border-top:1px solid var(--line)}.inspector-below h3{font-size:16px;margin:8px 0}.inspector-below p{font-size:14px;color:var(--muted);margin:6px 0;max-width:70ch}@media(min-width:1550px){main{grid-template-columns:280px minmax(0,1fr)}}@media(min-width:641px) and (max-width:1100px){main{grid-template-columns:210px minmax(0,1fr)}}

[hidden]{display:none!important}.human-toggle{font-weight:600}#model-status{position:absolute;top:45%;left:10%;right:10%;text-align:center;color:var(--muted);font-size:14px;z-index:4}.asset-credit{font-size:12px;max-width:80ch}

.person-label{position:absolute;z-index:2;transform:translate(-50%,-100%);padding:4px 8px;border-radius:5px;border:1px solid #c6d7d0;background:#ffffffed;color:#36564a;font-size:12px;white-space:nowrap;min-height:28px}.person-label.selected{border-color:#087258;background:#e5f3ec;color:#075a46}#viewport{overflow:hidden;min-height:640px}.stage-caption{pointer-events:none}@media(max-width:640px){#viewport{min-height:560px}.person-label{font-size:11px;padding:3px 5px}}

.equipment-label{pointer-events:none;border-color:#c6cdd3;color:#43515c;background:#f5f7f9ee}

/* Full-width gym with all reference and display controls in the top banner. */
header.gym-banner{height:auto;min-height:78px;padding:12px 24px;display:flex;align-items:center;gap:24px;flex-wrap:wrap;background:#fff}
.gym-banner .brand{font-size:32px;flex:0 0 auto}
.gym-banner .patterns{padding:0;border:0;display:flex;align-items:center;flex:1;min-width:0;gap:18px;flex-wrap:wrap}
.gym-banner #patterns{display:flex;flex-direction:row;flex-wrap:wrap;gap:4px;flex:1;min-width:0;margin:0}
.gym-banner #patterns button{padding:8px 10px;font-size:14px;gap:7px;min-height:40px;white-space:nowrap;flex:0 0 auto}
.gym-banner .layer-section{border:0;border-left:1px solid var(--line);margin:0;padding:0 0 0 18px;display:flex;flex-direction:row;align-items:center;gap:12px;flex-wrap:wrap}
.gym-banner .layer-section>.eyebrow{display:none}
.gym-banner .layer-section label{margin:0;font-size:14px;white-space:nowrap}
.gym-banner #anatomy-options{display:flex;gap:12px;flex-wrap:wrap}
main{display:block;min-height:0;width:100%}
main .workspace{width:100%;border:0}
#viewport{height:calc(100dvh - 180px);min-height:560px;max-height:none}
@media(max-width:1100px){header.gym-banner{gap:12px;padding:12px 16px}.gym-banner .patterns{flex-basis:100%;gap:10px}.gym-banner .layer-section{border-left:0;padding-left:0}#viewport{height:70dvh}}
@media(max-width:640px){.gym-banner #patterns{display:flex;flex-wrap:nowrap;overflow-x:auto;flex-basis:100%;padding-bottom:5px}.gym-banner #patterns button{font-size:14px}.gym-banner .layer-section{width:100%}#viewport{height:65dvh;min-height:480px}.stage-head{left:16px;right:16px}.stage-head h2{font-size:19px}}

/* Keep orbit gestures active across the full gym surface. */
#viewport{cursor:grab;user-select:none}#viewport.orbiting,#viewport.orbiting *{cursor:grabbing}

.person-label.number-tag{display:grid;place-items:center;min-width:21px;width:21px;height:21px;min-height:21px;padding:0;border-radius:2px;border:1px solid #dce3e0;background:#ffffffb3;color:#7c8882;font-size:11px;font-weight:400;line-height:1;transform:translate(-50%,-50%);box-shadow:none}.person-label.number-tag.selected{border-color:#bdcec5;background:#f3f7f4cc;color:#65796c}.person-label.number-tag[hidden]{display:none}

.gym-banner #patterns .exercise-name{display:inline-flex;align-items:center;gap:7px;padding:8px 10px;min-height:40px;font-size:14px;white-space:nowrap}.exercise-name>span{color:#607080;font:12px monospace}