:root{--bg:#f4f5f1;--paper:#fff;--ink:#1f3540;--muted:#6b7c81;--teal:#087d76;--soft:#e7f2ec;--line:#d9e2df;color-scheme:light}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{color:var(--ink);background:var(--bg);font:14px/1.45 system-ui,-apple-system,"Segoe UI",sans-serif;overflow:hidden}
h1,h2,p{margin:0}
h1{font-size:1.45rem;letter-spacing:-.03em}
h2{font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:8px;font-weight:700}
h2 small{text-transform:none;letter-spacing:0;font-weight:500;margin-left:6px}
a{color:var(--teal);text-underline-offset:3px}
button,input{font:inherit;color:inherit}
button{background:var(--paper);border:1px solid var(--line);border-radius:7px;padding:6px 10px;min-height:34px;cursor:pointer;font-weight:650;touch-action:manipulation}
button:hover{background:#f0f8f3;border-color:#7cb7a9}
button.active{background:var(--soft);color:var(--teal);border-color:#8ebcac}
button:focus-visible,input:focus-visible,summary:focus-visible,a:focus-visible{outline:3px solid #d28b54;outline-offset:2px}
.app{display:grid;grid-template-columns:310px 1fr;height:100vh;height:100dvh}
.panel{background:var(--paper);border-right:1px solid var(--line);padding:18px 16px;overflow:auto;display:flex;flex-direction:column;gap:18px}
.brand p{color:var(--muted);margin-top:3px}
.search{position:relative}
.search input{width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:8px;background:#fff}
.results{position:absolute;z-index:5;left:0;right:0;top:calc(100% + 4px);background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 10px 30px #1f354026;max-height:55vh;overflow:auto;padding:4px}
.results button{display:grid;grid-template-columns:10px 1fr;column-gap:8px;align-items:center;width:100%;text-align:left;border:0;min-height:0;padding:6px 8px;font-weight:600}
.results small{grid-column:2;color:var(--muted);font-weight:500}
.results p{padding:8px;color:var(--muted)}
.presets{display:flex;flex-wrap:wrap;gap:6px}
.presets button{font-size:.9rem}
.layers{display:grid;gap:4px}
.layer{display:grid;grid-template-columns:1fr 92px;align-items:center;gap:8px;padding:4px 6px;border-radius:7px}
.layer:hover{background:#f6faf8}
.layer label{display:flex;align-items:center;gap:8px;cursor:pointer;font-weight:600;min-height:30px}
.layer input[type=checkbox]{accent-color:var(--teal);width:17px;height:17px;margin:0}
.layer input[type=range]{width:100%;accent-color:var(--teal)}
.dot{display:inline-block;width:11px;height:11px;border-radius:50%;flex:none;border:1px solid #0002}
.spinner{display:none;width:14px;height:14px;border:2px solid var(--line);border-top-color:var(--teal);border-radius:50%;animation:spin .8s linear infinite}
.layer.loading .spinner{display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}
.credits{margin-top:auto;color:var(--muted);font-size:.82rem}
.credits summary{cursor:pointer;font-weight:650;color:var(--ink)}
.credits p{margin-top:8px}
.stage{position:relative;min-width:0;min-height:0}
#scene{display:block;width:100%;height:100%;touch-action:none;cursor:grab}
#scene:active{cursor:grabbing}
.toolbar{position:absolute;top:12px;left:12px;right:12px;display:flex;flex-wrap:wrap;gap:6px;pointer-events:none}
.toolbar button{pointer-events:auto;box-shadow:0 2px 8px #1f354014}
#fullscreen{margin-left:auto}
.status{position:absolute;left:12px;bottom:34px;max-width:min(560px,calc(100% - 24px));background:#fffc;border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-size:.88rem}
.status.busy::before{content:"";display:inline-block;width:10px;height:10px;margin-right:7px;border:2px solid var(--line);border-top-color:var(--teal);border-radius:50%;animation:spin .8s linear infinite;vertical-align:-1px}
.hint{position:absolute;left:12px;bottom:10px;color:var(--muted);font-size:.78rem}
.show-all{position:absolute;top:56px;left:12px}
.info{position:absolute;right:12px;bottom:12px;width:min(360px,calc(100% - 24px));background:var(--paper);border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 34px #1f354026;padding:12px 14px}
.info header{display:flex;align-items:flex-start;gap:8px}
.info header .dot{margin-top:6px}
.info h2{font-size:1.08rem;text-transform:none;letter-spacing:-.01em;color:var(--ink);margin:0;flex:1}
.info header button{border:0;min-height:0;padding:0 4px;font-size:1.3rem;line-height:1;background:none;color:var(--muted)}
.info dl{display:grid;grid-template-columns:auto 1fr;gap:3px 10px;margin:10px 0}
.info dt{color:var(--muted)}
.info dd{margin:0;overflow-wrap:anywhere}
.info .actions{display:flex;gap:6px}
.info .source{margin-top:8px;color:var(--muted);font-size:.75rem}
.only-mobile{display:none}
:fullscreen .app,.app:fullscreen{height:100vh}
.brand{position:relative}
.close-panel{position:absolute;top:-6px;right:-4px;width:40px;height:40px;padding:0;font-size:1.5rem;line-height:1;color:var(--muted)}
.scrim{display:none}
/* Phones, also turned sideways: the panel slides in over the model (panel.js uses the same query). */
@media (max-width:760px),(max-height:500px) and (max-width:1024px){
 .app{grid-template-columns:1fr}
 .panel{position:absolute;z-index:10;inset:0 auto 0 0;width:min(330px,88vw);transform:translateX(-102%);visibility:hidden;transition:transform .2s,visibility 0s .2s;box-shadow:0 0 40px #1f354040}
 .app.panel-open .panel{transform:none;visibility:visible;transition:transform .2s}
 .brand{padding-right:40px}
 .scrim{display:block;position:absolute;z-index:9;inset:0;background:#1f354033;opacity:0;pointer-events:none;transition:opacity .2s}
 .app.panel-open .scrim{opacity:1;pointer-events:auto}
 .only-mobile{display:inline-block}
 .hint{display:none}
 .status{bottom:10px}
 .info{bottom:56px}

 .toolbar button{padding:6px 8px}
}
.modes{display:grid;grid-template-columns:repeat(2,1fr);gap:4px;padding:3px;background:#eef3f0;border-radius:9px}
.modes button{border:0;background:none;min-height:32px;padding:6px 4px}
.modes button.active{background:var(--paper);color:var(--teal);box-shadow:0 1px 4px #1f354022}
.gym-only{display:none}
.app.gym .gym-only{display:block}
.app.gym .anatomy-only{display:none}
.tension-only{display:none}
.app.tension .tension-only{display:block}
.app.tension .anatomy-only{display:none}
.disclaimer{margin-top:10px;padding:8px 10px;border-radius:8px;background:#fff6e8;border:1px solid #f0d7ad;font-size:.82rem}
.causes,.flags ul{margin:0;padding-left:18px}
.causes li,.flags li{margin:2px 0}
.relief-list{display:grid;gap:4px}
.relief{border:1px solid var(--line);border-radius:8px;padding:0 8px}
.relief summary{cursor:pointer;padding:6px 0}
.relief summary .name{font-weight:650}
.relief summary small{display:block;margin-left:1.05em;color:var(--muted)}
.relief[open] summary{border-bottom:1px solid var(--line);margin-bottom:6px}
.relief p{margin:0 0 8px}
.flags{margin-top:12px;padding:8px 10px;border-radius:8px;background:#fdf0ee;border-left:4px solid #c8463c;font-size:.86rem}
.flags strong{display:block;margin-bottom:3px}
.gym-intro{color:var(--muted);margin-bottom:8px}
.legend{display:block;margin-top:4px;color:var(--ink);font-size:.85rem}
.legend .dot{vertical-align:-1px;margin-right:4px}
.legend .dot~.dot{margin-left:10px}
.legend>span{white-space:nowrap;margin-right:8px}
.areas{margin-bottom:8px}
.areas button{font-size:.82rem;min-height:28px;padding:3px 8px}
.gym-list{display:grid;gap:2px;max-height:340px;overflow:auto;overflow-x:hidden;border:1px solid var(--line);border-radius:8px;padding:4px}
.gym-list button{display:grid;grid-template-columns:40px 1fr;column-gap:10px;align-items:center;text-align:left;border:0;min-height:0;padding:4px 8px 4px 4px;font-weight:600;min-width:0}
.gym-list .thumb{grid-row:span 2;width:40px;height:48px;border-radius:6px;background-color:#f1f4f2;background-repeat:no-repeat}
.gym-list .name,.gym-list small{grid-column:2;min-width:0}
.gym-list small{color:var(--muted);font-weight:500;font-size:.78rem}
.check{display:flex;align-items:center;gap:8px;margin-top:10px;font-weight:600;cursor:pointer}
.check input{accent-color:var(--teal);width:17px;height:17px;margin:0}
.gym-note{color:var(--muted);font-size:.78rem;margin-top:8px}
.info.gym-card{max-height:calc(100% - 80px);overflow:auto}
.extra:empty{display:none}
.extra h3{font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:10px 0 5px}
.gym-hint{margin:4px 0 2px}
.chips{display:flex;flex-wrap:wrap;gap:5px}
.chip{display:inline-flex;align-items:center;gap:6px;min-height:28px;padding:3px 8px;font-size:.86rem;font-weight:600;text-align:left}
.chip .dot{width:9px;height:9px}
.info .actions[hidden]{display:none}
.plan-list{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:8px}
.plan-list:empty{display:none}
.plan-item{display:inline-flex}
.plan-item .chip:first-child{border-radius:7px 0 0 7px;border-right:0}
.plan-item .remove{border-radius:0 7px 7px 0;padding:3px 7px;color:var(--muted)}
button:disabled{opacity:.5;cursor:default}
.plan-toggle{margin-top:12px;width:100%}
.scale{display:flex;flex-wrap:wrap;gap:4px 10px;margin:8px 0 2px;font-size:.82rem}
.scale>span{display:inline-flex;align-items:center;gap:5px}
.figure{margin:4px 0 6px;background:#f6f8f6;border-radius:8px;padding:6px 6px 4px}
.figure-svg{display:block;width:100%;height:auto;max-height:160px}
.figure figcaption{text-align:center;font-size:.84rem;font-weight:600;color:var(--ink);min-height:1.3em}
.plan-toggle.share{margin-top:6px;font-weight:600;color:var(--muted)}
@media (max-width:760px){.info.gym-card{max-height:56%}}
.motion-only{display:none}
.app.motion .motion-only{display:block}
.app.motion .anatomy-only{display:none}
.motion-list{display:grid;gap:4px}
.motion-list h3{font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:6px 0 0}
.motion-list button{text-align:left;font-size:.92rem}
.motion-controls{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;margin:8px 0 2px}
.motion-controls .range{display:flex;align-items:center;gap:6px;font-weight:600;flex:1 1 180px}
.motion-controls .range input{flex:1;min-width:80px;accent-color:var(--teal)}
.motion-controls output{min-width:4.2em;font-variant-numeric:tabular-nums;color:var(--muted);font-weight:600}
.motion-controls .check{margin:0}
.motion-controls .play{min-width:92px;justify-content:center}
.motion-controls .direction{color:var(--teal);font-weight:650}
.cycle{position:relative;display:flex;height:14px;margin:10px 0 4px;border-radius:7px;overflow:hidden;background:#eef3f0}
.cycle span[data-valves]{border-right:2px solid var(--paper)}
.cycle span[data-valves=av]{background:#cfe3f6}
.cycle span[data-valves=sl]{background:#f6cfd4}
.cycle span[data-valves=zu]{background:#e3e6e4}
.cycle .cursor{position:absolute;top:0;bottom:0;width:3px;margin-left:-1px;background:var(--ink);border:0}
.legend.valves{font-size:.8rem;color:var(--muted)}
.legend.valves>span{white-space:nowrap}
.phase-name{color:var(--ink)!important;text-transform:none!important;letter-spacing:0!important;font-size:.95rem!important}
.phase-text{min-height:3.9em}
.sides .chip.active{background:var(--soft);color:var(--teal);border-color:#8ebcac}