:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#173441;background:#f0f4f7;font-synthesis:none;--ink:#112d3a;--muted:#526873;--lime:#d8ff62;--blue:#245ae1;--line:#dce4e9}*{box-sizing:border-box}body{margin:0}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;touch-action:manipulation}button:disabled{cursor:default}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #245ae1;outline-offset:4px}.topbar{min-height:78px;background:var(--ink);color:white;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px max(4vw,24px)}.brand{color:inherit;display:flex;align-items:center;gap:12px;text-decoration:none;font-size:20px;font-weight:750;letter-spacing:-.5px}.brand-icon{display:grid;place-items:center;background:var(--lime);color:var(--ink);border-radius:9px;width:34px;height:34px;font-weight:900}.brand-tag{font-size:12px;letter-spacing:1.8px;border-left:1px solid #58707b;padding-left:18px;margin-left:8px;font-weight:500}.language{display:flex;background:#294652;padding:4px;border-radius:10px}.language button{border:0;border-radius:7px;background:transparent;color:#e1ebef;padding:8px 17px;font-size:14px;font-weight:650;min-height:40px}.language button.active{background:var(--lime);color:var(--ink)}main{max-width:1460px;margin:auto;padding:34px 4vw 28px}.intro{display:flex;align-items:center;justify-content:space-between;gap:30px;margin-bottom:28px}.eyebrow{font-size:12px;font-weight:800;letter-spacing:1.8px;margin:0 0 9px;color:#59717d}h1{font-size:clamp(28px,3.2vw,42px);line-height:1.12;letter-spacing:-1.5px;margin:0 0 12px}h2{font-size:24px;letter-spacing:-.7px;margin:0}.lead{margin:0;color:var(--muted);font-size:16px;line-height:1.6}.score{min-width:180px;display:flex;flex-direction:column;gap:5px}.score strong{font-size:36px;font-variant-numeric:tabular-nums;line-height:1}.score-max{font-size:20px;color:#637983}.score>span:nth-child(2){font-size:13px;color:var(--muted)}progress{border:0;height:6px;width:100%;border-radius:9px;margin-top:8px;background:#dbe4e9;overflow:hidden}progress::-webkit-progress-bar{background:#dbe4e9}progress::-webkit-progress-value{background:#24654b;transition:width .3s}progress::-moz-progress-bar{background:#24654b}.main-tabs{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 22px;border-bottom:1px solid #cbd9e1;padding-bottom:12px}.main-tabs button{font-size:16px;border:0;background:transparent;border-radius:9px;padding:13px 18px;color:#526873;font-weight:650;min-height:48px}.main-tabs button.active{background:var(--ink);color:white}.main-tabs button:hover:not(.active){background:#e1e9ee}.workspace{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(290px,1fr);gap:24px;align-items:start}.anatomy{background:white;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 6px 30px #17344104}.figure-toolbar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:17px 20px;border-bottom:1px solid #edf1f4;flex-wrap:wrap}.view-tabs{display:flex;flex-wrap:wrap;gap:3px;background:#eff3f6;padding:4px;border-radius:10px}.view{border:0;border-radius:7px;background:transparent;padding:10px 13px;color:var(--muted);font-size:14px;font-weight:650;min-height:42px}.view.active{background:var(--ink);color:white}.part-count{font-size:13px;color:var(--muted)}.figure-note{font-size:14px;line-height:1.6;padding:14px 20px;color:var(--muted);background:#fbfcfd}.selected-strip{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:47px;padding:12px 20px;background:#edf2f6;font-size:14px;line-height:1.5;color:#526873}.selected-strip.has-selection{background:var(--ink);color:var(--lime)}.selected-strip button{background:transparent;border:1px solid currentColor;border-radius:6px;padding:6px 10px;font-size:14px;color:inherit;flex-shrink:0}.stage{position:relative;aspect-ratio:800/900;isolation:isolate;margin:20px 17px 0}.image-panel{position:absolute;overflow:hidden;pointer-events:none;z-index:0;background:white}.image-panel img{position:absolute;max-width:none;user-select:none}.panel-caption{position:absolute;text-align:center;color:var(--muted);font-size:12px;line-height:1.3;z-index:1}.asset-error{font-size:14px;line-height:1.5;color:#a23125;background:#fff0ea;padding:12px}.connectors{position:absolute;width:100%;height:100%;inset:0;z-index:1;pointer-events:none}.connectors path{fill:none;stroke:#879aa6;stroke-width:1.3;vector-effect:non-scaling-stroke}.connectors circle{fill:var(--ink);stroke:white;stroke-width:2}.target{position:absolute;width:24%;min-height:48px;transform:translateY(-50%);border:1px dashed #b6c6d0;border-radius:9px;background:#f6f8fa;color:#536c7b;display:block;padding:12px 8px;font-size:14px;line-height:1.3;text-align:center;z-index:2;overflow-wrap:anywhere;transition:background .15s,border-color .15s,box-shadow .15s}.target .number{position:absolute;top:-11px;left:7px;display:grid;place-items:center;width:23px;height:23px;border-radius:50%;background:white;border:1px solid #c3d1da;font-weight:750;font-size:12px;color:var(--ink)}.target.right .number{left:auto;right:7px}.target.filled{border-style:solid;background:#edf1f8;border-color:#bac8df;color:#233d5d;font-weight:600}.target:hover,.target.ready:hover{background:#e7efff;border-color:#567aea}.target.ready{box-shadow:0 0 0 1px #728fd066}.target.drag-over{background:#e6f0ff;box-shadow:0 0 0 3px #245ae150}.target.correct{background:#e7f5ec;border-color:#388153;color:#165732}.target.incorrect{background:#fff0ef;border-color:#bc4d43;color:#98372e}.target .mark{position:absolute;bottom:-11px;right:8px;border-radius:50%;color:white;width:23px;height:23px;display:grid;place-items:center;font-size:16px;font-weight:bold;background:#278049}.target.incorrect .mark{background:#b4453a}.figure-caption{padding:21px 20px 20px;display:flex;align-items:center;gap:8px;font-size:13px;line-height:1.5;color:var(--muted)}.legend-dot{width:7px;height:7px;background:var(--ink);border-radius:50%;flex-shrink:0}.practice{background:#e5edf2;border-radius:20px;padding:25px;position:sticky;top:18px}.bank-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.remaining{font-size:12px;white-space:nowrap;border-radius:30px;background:white;padding:7px 10px;font-weight:650}.bank-help{font-size:14px;line-height:1.6;color:var(--muted);margin:16px 0}.word-bank{display:flex;flex-wrap:wrap;gap:9px}.muscle{border:1px solid #cbd9e1;background:white;color:var(--ink);border-radius:9px;text-align:left;font-size:15px;line-height:1.4;padding:11px 12px;display:flex;align-items:center;justify-content:space-between;gap:9px;min-height:44px;max-width:100%;overflow-wrap:anywhere;box-shadow:0 2px 2px #17344104}.muscle:hover{border-color:#6d90d5}.muscle .grip{font-size:17px;color:#7d929e}.muscle.placed{background:#d5e0e8;border-color:#c1d0db;color:#3b5667;box-shadow:none}.muscle.selected{background:var(--ink);border-color:var(--ink);color:var(--lime)}.muscle.selected .grip{color:var(--lime)}.slot-badge{font-size:12px;min-width:21px;height:21px;display:grid;place-items:center;background:white;border-radius:50%;color:var(--ink)}.check-area{border-top:1px solid #cddbe3;margin-top:24px;padding-top:20px}.primary{display:block;border:0;border-radius:10px;background:var(--ink);color:var(--lime);padding:15px 17px;width:100%;font-size:16px;font-weight:750;line-height:1.4}.primary:disabled{background:#cad7e0;color:#536c7b}.check-hint{font-size:13px;line-height:1.6;color:#526873;margin:10px 0 0}.feedback{margin:15px 0 18px;padding:14px;background:#f5f8fa;border-radius:9px;font-size:14px;line-height:1.6;color:#465e6b}.feedback.good{color:#165d3a;background:#eaf8ec}.feedback.review{background:#fff4e8;color:#715224}.round-info{border-top:1px solid #cddbe3;padding-top:12px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:13px;color:#617784}.text-button{border:0;background:transparent;color:var(--ink);font-size:14px;font-weight:650;padding:10px 0;text-decoration:underline;text-decoration-color:#acbbc3;text-underline-offset:4px}.text-button:hover{color:var(--blue)}footer{padding-top:22px;color:#647985;font-size:13px;line-height:1.7}footer p{margin:4px 0 9px}footer a{color:#245480}summary{cursor:pointer;font-size:14px}details p{max-width:1000px;padding-top:8px}#sources{font-size:12px}#sources p{padding-top:3px;margin:2px 0}.target-text{display:block}@media(min-width:1450px){main{padding-left:35px;padding-right:35px}}@media(max-width:1100px){main{padding:28px 24px}.workspace{gap:18px;grid-template-columns:minmax(0,1.7fr) minmax(280px,1fr)}.practice{padding:19px}.figure-toolbar{padding:12px}.view{padding:10px}.target{padding:11px 5px}.stage{margin-left:13px;margin-right:13px}.bank-header h2{font-size:22px}}@media(max-width:760px){.topbar{padding:12px 16px;min-height:66px}.brand{font-size:18px;gap:8px}.brand-tag{display:none}.language button{padding:7px 12px}.brand-icon{width:30px;height:30px}main{padding:24px 14px}.intro{gap:15px;align-items:start;margin-bottom:21px}.score{min-width:90px;width:105px}.score strong{font-size:29px}.score>span:nth-child(2){font-size:12px;max-width:110px}.score-max{font-size:16px}.eyebrow{font-size:12px;letter-spacing:1.3px}h1{font-size:29px;letter-spacing:-1px}.lead{font-size:14px}.main-tabs{gap:5px;padding-bottom:12px;margin-bottom:18px}.main-tabs button{font-size:14px;padding:10px 12px;min-height:42px}.workspace{display:flex;flex-direction:column;gap:16px}.anatomy,.practice{width:100%}.practice{position:static;padding:20px}.stage{margin:18px 12px 0}.target{font-size:14px;padding:11px 3px;min-height:42px;border-radius:7px}.target .number{width:21px;height:21px;font-size:12px;top:-11px;left:2px}.target.right .number{right:2px}.target .mark{right:3px;width:21px;height:21px}.figure-caption{padding:18px 14px;font-size:12px}.word-bank{gap:8px}.muscle{font-size:14px;padding:10px 12px}.bank-help{margin:12px 0}.figure-toolbar{padding:10px 12px}.figure-note,.selected-strip{padding:12px 14px}.bank-header h2{font-size:23px}.part-count{font-size:12px}.panel-caption{font-size:12px;line-height:1.15}.score progress{margin-top:4px}}@media(max-width:380px){.brand{font-size:16px}.language button{padding:7px 9px}.target{font-size:13px}.main-tabs button{padding:9px 10px}.stage{margin-left:10px;margin-right:10px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}@media(forced-colors:active){.target,.muscle,.view{border:1px solid ButtonText}.connectors path{stroke:CanvasText}.connectors circle{fill:CanvasText}}

.mobile-placements{display:none}
@media(max-width:760px){
.stage .target{width:44px;height:44px;min-height:44px;padding:0;border-radius:50%;left:0!important;overflow:visible}
.stage .target.right{left:auto!important;right:0}
.stage .target .number{position:static;width:100%;height:100%;border:0;border-radius:50%;background:transparent;font-size:15px}
.stage .target .target-text{display:none}
.stage .target .mark{width:20px;height:20px;bottom:-5px;right:-5px}
.mobile-placements{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:15px 14px 0}
.placement-row{display:flex;align-items:center;gap:8px;padding:11px 8px;min-height:48px;border:1px solid #c9d7e0;border-radius:8px;background:#f2f5fa;color:#284357;text-align:left;font-size:14px;line-height:1.4;overflow-wrap:anywhere}
.row-number{min-width:23px;align-self:flex-start;border-radius:50%;border:1px solid #c6d4de;background:white;text-align:center;font-size:13px;line-height:23px;color:#173441}
.row-name{flex:1}.row-mark{font-weight:bold;font-size:18px}
.placement-row.correct{background:#e7f5ec;border-color:#388153;color:#165732}.placement-row.incorrect{background:#fff0ef;border-color:#bc4d43;color:#98372e}
}
@media(max-width:420px){.mobile-placements{grid-template-columns:1fr}}

@media(max-width:420px){.stage .target{width:32px;height:32px;min-height:32px}.stage .target .number{font-size:14px}}

.brand-tag{font-size:14px;letter-spacing:0;font-weight:500;text-transform:none}
.view-tabs[hidden]{display:none}
@media(max-width:760px){
.brand{display:grid;grid-template-columns:30px auto;column-gap:8px;row-gap:2px}
.brand-icon{grid-column:1;grid-row:1/3}
.brand-tag{display:block;grid-column:2;border:0;padding:0;margin:0;font-size:12px;letter-spacing:0}
.topbar{flex-wrap:wrap}.language{margin-left:auto}
}