.simulator-layout{--viewer-height:clamp(640px, 75svh, 760px);grid-template-columns:258px minmax(250px,1fr) 278px;align-items:start;gap:16px;display:grid}.panel{border:1px solid var(--line);border-radius:var(--radius);background:#fff;min-width:0}.library{height:var(--viewer-height);flex-direction:column;min-height:0;padding:23px 15px 15px;display:flex;overflow:hidden}.panel-heading{align-items:center;gap:9px;margin-bottom:19px;padding:0 5px;display:flex}.panel-heading h2{letter-spacing:-.2px;font-size:16px;font-weight:650}.count{color:var(--secondary);background:#f1f2f5;border-radius:5px;padding:3px 6px;font-size:10px}.search-field{color:#818694;background:#f6f7f9;border-radius:9px;align-items:center;gap:8px;padding:10px;display:flex}.search-field input{width:100%;min-width:0;color:var(--ink);background:0 0;border:0;font-size:11px}.search-field input::placeholder{color:#818694}.region-tabs{gap:2px;padding:13px 0;display:flex}.region-tabs button{color:var(--secondary);border-radius:7px;flex:1;padding:7px 3px;font-size:10px}.region-tabs [aria-pressed=true]{background:var(--accent-soft);color:var(--accent);font-weight:600}.muscle-list{overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#dcdfe7 transparent;flex:1 1 0;min-height:0;padding-right:2px;overflow:auto}.muscle-row{border-radius:10px;align-items:center;min-height:48px;margin-bottom:3px;display:flex}.muscle-row.selected{background:var(--accent-soft)}.muscle-select{text-align:left;border-radius:10px;flex:1;align-items:center;gap:10px;min-width:0;padding:10px 4px 10px 10px;font-size:11px;font-weight:500;display:flex}.muscle-select small{color:#7d8290;margin-top:4px;font-size:9px;font-weight:400;display:block}.muscle-marker{background:#c9877d;border-radius:50%;flex-shrink:0;width:5px;height:17px;transform:rotate(27deg)}.selected .muscle-marker{background:var(--accent)}.selected 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1px 3px #0002}.switch.on{background:var(--accent);justify-content:flex-end}.stage{border-radius:var(--radius);height:var(--viewer-height);background:radial-gradient(at 50% 42%,#fff 0%,#f7f8fb 58%,#f0f2f7 100%);border:1px solid #f0f1f5;grid-template-rows:50px minmax(0,1fr) 44px 28px;grid-template-columns:minmax(0,1fr);min-height:0;display:grid;overflow:hidden}.stage-top{z-index:1;justify-content:flex-end;align-items:center;padding:10px 17px 0;display:flex}.body-viewer{contain:size;min-width:0;min-height:0;position:relative;overflow:hidden}.body-viewer canvas{touch-action:none;cursor:grab;width:100%;height:100%;display:block}.body-viewer canvas:active{cursor:grabbing}.viewer-status{text-align:center;color:var(--secondary);background:#f7f8faee;flex-direction:column;justify-content:center;align-items:center;gap:15px;padding:30px;display:flex;position:absolute;inset:0}.viewer-status p{max-width:250px;font-size:12px;line-height:1.7}.viewer-status 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14px;display:flex}.details>h2{letter-spacing:-.8px;font-size:24px;font-weight:650;line-height:1.15}.latin-name{color:#7e8492;margin-top:7px;font-size:11px;font-style:italic}.region-badge{color:var(--secondary);background:#f6f7f9;border-radius:6px;align-self:flex-start;align-items:center;gap:7px;margin:14px 0 19px;padding:6px 8px;font-size:9px;display:flex}.region-badge span{color:#969dab}.action-description{border-top:1px solid var(--line);padding-top:17px}.action-description h3{align-items:center;gap:7px;font-size:11px;font-weight:600;display:flex}.action-description h3 svg{color:#848c9c}.action-description p{color:var(--secondary);min-height:56px;margin:9px 0 20px;font-size:11px;line-height:1.7}.contraction-controls{border-top:1px solid var(--line);padding-top:19px}.contraction-heading{justify-content:space-between;align-items:center;display:flex}.contraction-heading h3{font-size:12px;font-weight:600}.contraction-heading output{color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:-1px;font-size:24px;font-weight:600}.contraction-heading output span{margin-left:2px;font-size:12px}.contraction-slider{appearance:none;background:linear-gradient(to right, var(--accent) var(--progress), #e9ebf2 var(--progress));cursor:pointer;border-radius:6px;width:100%;height:5px;margin:18px 0 13px}.contraction-slider::-webkit-slider-thumb{appearance:none;background:#fff;border:1px solid #dedfeb;border-radius:50%;width:19px;height:19px;box-shadow:0 2px 5px #292e5020}.contraction-slider::-moz-range-thumb{background:#fff;border:1px solid #dedfeb;border-radius:50%;width:18px;height:18px;box-shadow:0 2px 5px #292e5020}.range-labels{color:#7c8391;justify-content:space-between;margin-bottom:20px;font-size:9px;display:flex}.speed-control{color:var(--secondary);justify-content:space-between;align-items:center;margin:12px 0 20px;font-size:10px;display:flex}.speed-control>div{gap:3px;display:flex}.speed-control button{border-radius:5px;padding:5px 7px;font-size:9px}.speed-control [aria-pressed=true]{color:var(--accent);background:var(--accent-soft);font-weight:600}.isolate-button{min-height:39px;margin-top:auto;font-size:11px}.details .text-button{margin-top:4px}.motion-note{color:var(--secondary);margin:8px 0 0;line-height:1.6}@media (width<=900px) and (width>=721px){.details .motion-note{grid-column:2}}@media (width<=900px){.details{min-height:0}}@media (width<=720px){.stage{min-height:520px}.library{min-height:440px}}@media (width<=1100px){.simulator-layout{grid-template-columns:220px minmax(220px,1fr) 240px;gap:11px}.details{padding:24px 17px 15px}.details>h2{font-size:22px}.library{padding-left:10px;padding-right:10px}.stage-bottom{gap:7px;padding:0 8px}.view-tabs button{padding:7px 8px}}@media (width<=900px) and (width>=721px){.simulator-layout{grid-template-columns:210px 1fr}.stage{grid-area:1/2}.library{grid-area:1/1}.details{grid-column:1/-1;grid-template-columns:1fr 1fr;column-gap:30px;height:auto;display:grid}.details>h2,.latin-name,.region-badge,.action-description{grid-column:1}.contraction-controls{border-top:0;grid-area:1/2/5}.isolate-button,.details .text-button{grid-column:2}}@media (width<=720px){.simulator-layout{grid-template-columns:1fr;gap:12px}.stage{grid-row:1;height:520px}.details{grid-row:2;height:auto;padding:22px}.details>h2{font-size:26px}.action-description p{min-height:auto;margin-bottom:17px}.library{grid-row:3;height:440px;padding:20px 16px 14px}.muscle-select{font-size:12px}.visibility-button{min-width:40px;height:40px}.region-tabs button{min-height:36px}.speed-control button{min-width:38px;min-height:32px}.isolate-button{min-height:44px}.view-tabs button{padding:9px 15px}.stage-hints{font-size:9px}.stage-top{padding-left:18px;padding-right:18px}}.camera-controls{background:#ffffffd9;border:1px solid #e4e6ed;border-radius:16px;grid-template-rows:repeat(3,44px);grid-template-columns:repeat(3,44px);padding:2px;display:grid}.camera-controls .icon-button{width:44px;height:44px}.pan-up{grid-area:1/2}.pan-left{grid-area:2/1}.pan-center{grid-area:2/2}.pan-right{grid-area:2/3}.pan-down{grid-area:3/2}.stage-top{pointer-events:none;grid-area:1/1;align-self:start;padding:12px}.camera-controls{pointer-events:auto}.animation-button{pointer-events:auto;color:#fff;background:var(--accent);border-radius:14px;justify-content:center;align-items:center;width:44px;height:44px;margin-right:auto;display:inline-flex;box-shadow:0 3px 10px #5867dd2e}.animation-button:hover{background:#4756c7}.body-viewer{grid-area:1/1}.stage{grid-template-rows:minmax(0,1fr) auto 32px}.stage-bottom{flex-wrap:wrap;grid-area:2/1;padding:6px 8px}.stage-hints{grid-area:3/1}.zoom-controls .icon-button{width:44px;height:44px}.view-tabs button{min-height:44px}.model-credits{border:1px solid var(--line);color:var(--secondary);border-radius:14px;margin:16px 0 0;padding:20px;font-size:12px;line-height:1.8}.model-credits p{margin-top:12px}.model-credits a{color:var(--accent);text-underline-offset:3px;text-decoration:underline}.motion-unavailable{color:var(--secondary);border-top:1px solid var(--line);margin-bottom:20px;padding:18px 0;font-size:13px;line-height:1.7}.viewer-status progress{width:min(180px,100%);accent-color:var(--accent)}.search-field{min-height:44px}.search-field input{font-size:13px}.search-field input::placeholder,.muscle-select small,.latin-name,.range-labels,.stage-hints{color:#626977}.visibility-button{min-width:44px;min-height:44px}.region-tabs button,.layer-toggle,.layer-heading button,.speed-control button{min-height:44px}.layer-heading{align-items:center;padding-bottom:0}.muscle-select small{font-size:10px;line-height:1.45}.region-badge{flex-wrap:wrap}@media (width<=720px){.search-field input{font-size:16px}.muscle-select,.action-description 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#5867dd1c}.primary-button:hover{background:#4756c7}.secondary-button{background:#fff;border:1px solid #e6e7ef}.secondary-button.active{background:var(--accent-soft);color:var(--accent);border-color:#d6dafa}.text-button{color:var(--secondary);border-radius:9px;justify-content:center;align-items:center;gap:7px;padding:11px;display:flex}.text-button,.motion-note{font-size:11px}.about-section{grid-template-columns:1fr 1.1fr;gap:65px;padding:0 24px 55px;display:grid}.about-section h2{letter-spacing:-.8px;max-width:380px;margin-top:13px;font-size:28px;font-weight:600;line-height:1.3}.about-section p{color:var(--secondary);font-size:12px;line-height:1.9}.about-section details{color:var(--accent);margin-top:14px;font-size:11px;line-height:1.9}summary{cursor:pointer}.about-section ul{padding-left:17px}.about-section li a{align-items:center;gap:5px;display:inline-flex}.site-footer{border-top:1px solid var(--line);max-width:1440px;color:var(--secondary);justify-content:space-between;align-items:center;gap:20px;margin:auto;padding:26px 48px;font-size:10px;display:flex}.site-footer>div{align-items:center;gap:24px;display:flex}.site-footer .wordmark{color:var(--ink);font-size:29px}.skip-link{z-index:10;background:var(--accent);color:#fff;border-radius:8px;padding:12px 20px;position:fixed;top:-100px;left:12px}.skip-link:focus{top:12px}@media (width>=1600px){.intro{padding-top:58px}}@media (width<=1100px){.header-inner,.page-container{padding-left:24px;padding-right:24px}.main-nav{gap:20px}.about-section{gap:32px;padding-left:0;padding-right:0}}@media (width<=720px){.header-inner{gap:12px;min-height:65px;padding:0 18px}.main-nav{display:none}.page-container{padding:0 16px}.intro{padding:30px 4px 26px}.intro h1{letter-spacing:-1.4px}.intro>p:last-child{max-width:300px;margin:auto;font-size:12px}.about-section{grid-template-columns:1fr;gap:20px}.about-section h2{font-size:26px}.site-footer{flex-wrap:wrap;padding:25px 20px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important}}