@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap');
.lab>*{min-width:0}.part-select{min-width:0}.part-select>span:last-child{overflow-wrap:anywhere}
@media(max-width:780px){.lab{grid-template-columns:minmax(0,1fr)!important}#parts{grid-template-columns:repeat(2,minmax(0,1fr))!important}}
.parts-panel #parts{max-height:590px;overflow-y:auto}.viewport-wrap{min-height:670px}.section-toggle{position:absolute;top:90px;left:22px;z-index:3;color:#ced9dc;font-size:11px;background:#1a2b35;padding:8px 11px;border-radius:5px;display:flex;gap:7px;align-items:center}.section-toggle input{accent-color:var(--accent)}.inventory{margin:18px 0}.inventory label{display:block;font-size:11px;font-weight:700;margin-bottom:8px}.inventory input{width:100%;border:1px solid #dfe3dd;border-radius:5px;padding:9px;font-size:10px;background:#fafbf7}.inventory>span{display:block;font-size:9px;color:#8a958f;margin:8px 0}#componentList{max-height:190px;overflow-y:auto}.component-item{display:block;width:100%;font-size:10px;text-align:left;padding:8px;border:0;border-bottom:1px solid #e9ece5;background:white;color:#65736b}.component-item.active{background:#fff0e8;color:var(--accent)}#removedCount{display:block;font-size:9px;color:#849185;text-align:center;margin-top:8px}.text-button:disabled{opacity:.4;cursor:default}.sources-panel{border-top:1px solid #dce1d6;padding:18px 0;font-size:11px;color:#64756b}.sources-panel summary{cursor:pointer;font-weight:700}.sources-panel a{display:block;margin:12px 0;color:#526f69}.sources-panel p{font-size:10px;max-width:850px}@media(max-width:780px){.viewport-wrap{min-height:490px}.parts-panel #parts{max-height:400px}.detail-panel #detailNumber{display:none}.component-item{font-size:12px}.section-toggle{font-size:10px}}
:root{--paper:#f3f1eb;--ink:#172930;--muted:#778080;--line:#dddeda;--accent:#dc5b33;--dark:#101c24}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Manrope,Arial,sans-serif}button,select,input{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #ed895c;outline-offset:4px}header{height:92px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 5vw}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);font-weight:800;letter-spacing:2px;font-size:20px}.brand-mark{background:var(--accent);color:var(--paper);width:34px;height:34px;display:grid;place-items:center;border-radius:8px;font-size:21px;letter-spacing:0}.brand-sub{font-size:11px;letter-spacing:0;font-weight:500;border-left:1px solid #c9ccc7;padding-left:18px;margin-left:12px;color:#737c7b}.edition{font-size:10px;letter-spacing:1.8px;color:#7a8583}.edition b{color:var(--accent);margin-left:18px}main{max-width:1600px;margin:auto;padding:0 5vw}.intro{display:flex;justify-content:space-between;align-items:flex-end;padding:48px 0 32px}.eyebrow{font-size:10px;letter-spacing:1.8px;font-weight:800;color:var(--accent)}h1{font-size:clamp(36px,4.3vw,64px);line-height:1.08;letter-spacing:-2.5px;margin:15px 0 16px}p{line-height:1.7}.intro p{font-size:13px;color:#727c7b;margin:0}.intro-meta{font-size:11px;color:#74817d;line-height:1.8;padding-bottom:4px}.intro-meta strong{display:block;font-size:14px;margin:9px 0 2px;color:var(--ink)}.intro-meta>span:last-child{display:block}.status-dot{display:inline-block;width:6px;height:6px;background:#659582;border-radius:50%;margin-right:5px}.lab{display:grid;grid-template-columns:205px minmax(0,1fr) 266px;background:white;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 12px 35px #22393208}.parts-panel{padding:25px 15px;background:#f9f9f5}.panel-heading{display:flex;justify-content:space-between;font-size:9px;letter-spacing:1.3px;color:#8a9590;padding:0 7px 21px}.part-row{display:flex;align-items:center;margin-bottom:6px;border:1px solid transparent;border-radius:6px;transition:.2s}.part-row.selected{background:#fff0e8;border-color:#eed4c6}.part-select{border:0;background:none;display:flex;gap:11px;align-items:center;text-align:left;padding:12px 7px;flex:1;color:#3b4b4c;font-size:11px}.part-select .num{color:#929e9b;font-size:9px;font-variant-numeric:tabular-nums}.selected .part-select,.selected .num{color:var(--accent)}.visibility{width:30px;border:0;background:transparent;color:#798b86;font-size:17px;padding:5px}.part-row.hidden .part-select{opacity:.45}.text-button{border:0;background:none;padding:13px 7px;color:#647572;font-size:10px;text-align:left}.panel-note{font-size:10px;color:#919a94;line-height:1.7;border-top:1px solid #e4e7df;margin:12px 7px 0;padding-top:18px}.viewport-wrap{position:relative;background:var(--dark);min-height:490px;overflow:hidden}.view-heading{position:absolute;top:21px;left:22px;right:22px;display:flex;justify-content:space-between;align-items:center;z-index:2;color:#80939c;font-size:9px;letter-spacing:1.5px}.view-heading button{border:1px solid #34434c;color:#bdcbce;background:#1b2a34;border-radius:5px;font-size:10px;padding:7px 10px;letter-spacing:0}#viewport{position:absolute;inset:0}canvas{display:block;touch-action:none}#loading{position:absolute;inset:0;display:grid;place-items:center;color:#adbdc2;font-size:14px}.view-hint{position:absolute;bottom:78px;left:0;right:0;text-align:center;color:#748990;font-size:9px;pointer-events:none}.view-hint span{padding:0 9px}.view-badge{position:absolute;top:64px;left:22px;font-size:8px;letter-spacing:1.1px;color:#758e98;pointer-events:none}.view-controls{position:absolute;bottom:20px;left:20px;right:20px;display:flex;align-items:center;justify-content:center;gap:18px}.primary{background:var(--accent);border:0;border-radius:6px;color:white;font-size:11px;font-weight:700;padding:13px 17px}.speed-label{color:#7f969f;font-size:10px}.speed-label select{color:#c3d0d4;background:#1d2e38;border:1px solid #344550;border-radius:5px;font-size:10px;padding:8px;margin-left:5px}.detail-panel{padding:28px 23px}.detail-panel .eyebrow{font-size:8px;letter-spacing:1.3px}#detailNumber{display:block;font-size:48px;line-height:1;color:#e6e9e4;font-weight:800;margin:21px 0 7px}.detail-panel h2{font-size:24px;letter-spacing:-.9px;margin:0 0 13px}.detail-panel p{font-size:11px;color:#798581;margin:0}.detail-rule{height:1px;background:#e7e9e2;margin:20px 0}.detail-panel h3{font-size:10px;margin:0 0 8px}.detail-callout{background:#f4f5ef;border-radius:7px;padding:13px;margin:20px 0}.detail-callout span{font-size:8px;color:#7b8b7c;letter-spacing:1px;font-weight:800}.detail-callout p{font-size:10px;margin-top:6px;color:#657668}.secondary{width:100%;border:1px solid #d9dfd8;border-radius:6px;background:white;padding:10px;color:#596d64;font-size:10px}.detail-panel>.text-button{display:block;width:100%;text-align:center;padding:13px 0 0}.explosion-bar{grid-column:1/-1;display:flex;gap:24px;align-items:center;padding:22px 26px;border-top:1px solid var(--line);background:#fdfdf9}.explosion-bar strong{display:block;font-size:12px}.explosion-bar span{display:block;font-size:9px;color:#98a099;margin-top:5px}.explosion-bar input{flex:1;min-width:40px;accent-color:var(--accent);cursor:pointer}.explosion-bar output{width:34px;font-size:11px;color:var(--accent);font-weight:700}.explosion-bar button{border:1px solid #dfe4dc;background:white;border-radius:5px;font-size:10px;padding:9px 13px;color:#65796c}.lesson{display:grid;grid-template-columns:1.1fr repeat(3,1fr);gap:22px;padding:43px 0}.lesson-title h2{font-size:26px;letter-spacing:-1px;line-height:1.2;margin:12px 0}.lesson-title p{font-size:11px;color:#89938c;margin:0}.lesson-card{background:transparent;border:0;border-top:1px solid #d6dcd2;padding:19px 0;text-align:left;color:var(--ink)}.lesson-card.active{border-top-color:var(--accent)}.lesson-card>span{color:var(--accent);font-size:10px;font-weight:700}.lesson-card h3{font-size:13px;margin:20px 0 9px}.lesson-card p{font-size:11px;color:#829087;margin:0;max-width:230px}footer{border-top:1px solid #dce1d6;padding:21px 0 27px;display:flex;justify-content:space-between;gap:20px;color:#8c978e}footer>span{font-size:9px;letter-spacing:1px;white-space:nowrap;padding-top:3px}footer p{font-size:9px;margin:0;text-align:right}@media(min-width:1500px){.viewport-wrap{min-height:560px}.lab{grid-template-columns:225px minmax(0,1fr) 300px}.part-select{font-size:12px}.detail-panel p{font-size:12px}}@media(max-width:1050px){.lab{grid-template-columns:170px minmax(0,1fr) 225px}.detail-panel{padding:25px 17px}.part-select{font-size:10px;gap:7px}.view-controls{gap:10px}.primary{padding:12px 10px}.intro-meta{max-width:250px}.brand-sub{display:none}}@media(max-width:780px){header{height:72px}.edition{font-size:8px}.intro{padding:30px 0 25px;display:block}.intro-meta{margin-top:22px;max-width:none}.intro-meta strong{margin-top:4px}.intro-meta>span:last-child{font-size:10px}h1{letter-spacing:-1.5px}.lab{grid-template-columns:1fr}.viewport-wrap{grid-row:1;min-height:440px}.parts-panel{grid-row:3;padding:16px}.panel-heading{padding-bottom:12px}#parts{display:grid;grid-template-columns:1fr 1fr;gap:4px}.part-select{font-size:11px}.panel-note{display:none}.detail-panel{grid-row:4;padding:24px}.detail-panel #detailNumber{display:none}.detail-panel h2{margin-top:12px}.detail-panel p{font-size:12px}.detail-rule{margin:14px 0}.detail-callout{margin:14px 0}.explosion-bar{grid-row:2;padding:17px 15px;gap:10px}.explosion-bar>div{width:114px}.explosion-bar strong{font-size:10px}.explosion-bar span{font-size:8px}.explosion-bar button{padding:8px}.lesson{grid-template-columns:1fr;gap:5px;padding:30px 0}.lesson-title{margin-bottom:16px}.lesson-card h3{margin-top:10px}.lesson-card p{max-width:none}.lesson-card{padding:15px 0}footer{display:block}footer p{text-align:left;margin-top:12px}.view-hint{font-size:8px}.view-controls{gap:10px;left:12px;right:12px}.speed-label{font-size:9px}.primary{font-size:10px}.desktop{display:none}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto;transition:none!important}}
@media(max-width:780px){.explosion-bar{flex-wrap:wrap}.explosion-bar>div{width:100%}.explosion-bar input{flex:1;min-width:160px}.explosion-bar #disassemble,.explosion-bar #assemble{flex:1}}
.timing-toggle{position:absolute;top:94px;right:22px;z-index:3;border:1px solid #526970;border-radius:5px;padding:8px 10px;color:#d2dfe0;background:#24363e;font-size:10px}.motion-readout{position:absolute;top:145px;left:22px;right:22px;color:#a8bac1;font-size:10px;z-index:2;pointer-events:none}@media(max-width:780px){.timing-toggle{right:12px;font-size:9px;padding:8px}.motion-readout{font-size:9px}}

.pump-toggle{position:absolute;top:134px;right:22px;z-index:3;border:1px solid #526970;border-radius:5px;padding:8px 10px;color:#d2dfe0;background:#24363e;font-size:10px}.motion-readout{top:178px}.dimension-table{border-collapse:collapse;width:100%;max-width:1000px;margin:18px 0}.dimension-table td,.dimension-table th{text-align:left;padding:10px;border-bottom:1px solid #dce1d6;vertical-align:top}.dimension-table td:last-child{color:#6c7d71}@media(max-width:780px){.pump-toggle{right:12px;font-size:9px}}

.front-toggle{position:absolute;top:174px;right:22px;z-index:3;border:1px solid #526970;border-radius:5px;padding:8px 10px;color:#d2dfe0;background:#24363e;font-size:10px}.motion-readout{top:216px}@media(max-width:780px){.front-toggle{right:12px;font-size:9px}}

.model-actions{position:absolute;bottom:78px;left:16px;right:16px;z-index:4;background:#101c24e8;border:1px solid #344550;border-radius:8px;padding:10px;display:flex;align-items:center;justify-content:space-between;gap:10px}.model-actions>span{font-size:11px;color:#d2dfe0;max-width:55%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.model-actions>div{display:flex;gap:8px}.model-undo{color:#d2dfe0;background:#24363e;border:1px solid #526970;border-radius:6px;padding:10px}.model-undo:disabled{opacity:.4;cursor:default}.view-hint{bottom:146px}@media(max-width:780px){.model-actions{left:10px;right:10px;flex-wrap:wrap;bottom:76px}.model-actions>span{max-width:100%;width:100%}.model-actions>div{width:100%}.model-actions button{min-height:44px;flex:1}.view-hint{display:none}.viewport-wrap{min-height:560px}}
.model-actions>span{flex:1;min-width:0;max-width:none}.model-actions>div{flex:none}.model-actions button{white-space:nowrap;font-size:11px;padding:11px 12px}@media(max-width:780px){.model-actions>span{flex:auto}.model-actions>div{width:100%}}

.marks-toggle,.ignition-toggle{position:absolute;left:22px;top:132px;z-index:3;border:1px solid #526970;border-radius:5px;padding:8px;color:#d2dfe0;background:#24363e;font-size:10px}.ignition-toggle{top:172px}.motion-readout{white-space:pre-line;line-height:1.6;top:216px}@media(max-width:780px){.marks-toggle,.ignition-toggle{left:12px;font-size:9px;padding:8px}.motion-readout{font-size:8px;top:216px}}