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.nav{justify-content:center;width:32px;padding:2px 0;font-size:18px}.readerTitle{color:var(--ink-2);flex:1}.readerBody{flex:1;gap:12px;min-height:0;display:flex}.readerPage{flex:1;min-width:0;overflow:auto}.readerPage img{background:#f4f1ea;border-radius:4px;width:100%;height:auto;display:block}.readerPage img[hidden]{display:none}.readerPage.enlarged img{width:2000px;max-width:none}.partsExtract{margin-top:12px}.partsText{white-space:pre;font:12px/1.5 var(--mono);overflow-x:auto}.partsSearch{width:min(280px,45vw);min-width:120px}@media (width<=600px){.readerBar{grid-template-columns:32px 32px 1fr auto auto;display:grid}.readerTitle{grid-area:1/1/auto/-1}.readerBar .partsSearch{grid-area:3/1/auto/-1;width:100%}.readerBar>button{grid-row:2}.readerBar>button:nth-last-child(2){grid-column:4}.readerBar>button:last-child{grid-column:5}}.strip{flex-direction:column;gap:4px;width:58px;display:flex;overflow-y:auto}.thumb{font:500 11px/1 var(--mono);justify-content:center;padding:6px 0}.thumb.now{background:var(--amber);color:var(--amber-ink);border-color:var(--amber)}#splash{z-index:50;background:var(--bg);flex-direction:column;justify-content:center;align-items:center;gap:10px;transition:opacity .6s;display:flex;position:fixed;inset:0}#splash.done{opacity:0;pointer-events:none}#splash .mark{font:600 34px/1 var(--cond);letter-spacing:.12em;color:var(--ink)}#splash .sub{font:500 11px/1 var(--cond);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}@media (width<=1440px){.brand{min-width:0}.top{gap:16px}.top .chipWrap .help,.tools kbd,.viewLabel .help{display:none}.cluster{flex:auto}.cluster.timing{flex:2 320px}}@media (width<=1240px){#app{grid-template-columns:260px minmax(0,1fr) 320px}.brand .sub{display:none}}@media (width<=900px){#app{grid-template:"top"48px"explore"44px"stage"minmax(180px,1fr)"right"minmax(120px,24vh)/minmax(0,1fr)}.left{display:none}.right{border-left:0;border-top:1px solid var(--line)}.brand .sub,.tools kbd{display:none}}.explore{border-bottom:1px solid var(--line-2);background:var(--panel-2);grid-area:explore;align-items:center;gap:10px;min-width:0;padding:0 16px;display:flex}select{font:inherit;color:var(--ink);background:var(--panel-2);border:1px solid var(--line-2);border-radius:var(--r);padding:5px 8px}.systemSelect{min-width:175px;font-weight:500}.systemDescription{color:var(--muted);flex:1;font-size:12px}.cameraViews{gap:4px;display:flex}.cameraViews button{padding:4px 9px;font-size:12px}.partsToggle{display:inline-flex}.playback{max-width:125px;font:12px var(--mono);align-self:flex-end;height:30px}.engineFacts{font:12px/1.7 var(--mono);color:var(--amber-2);padding:10px 0}.modelNote{color:var(--muted);margin-top:10px;font-size:12px;line-height:1.6}.partPurpose{border-top:1px solid var(--line);margin-top:18px;padding-top:12px}.partPurpose h3{margin:0 0 8px;font-size:14px}.purposeText{color:var(--ink-2);margin:0;font-size:13px;line-height:1.7}.purposeEvidence{margin-top:10px;font-size:12px}.purposeEvidence summary{color:var(--muted);cursor:pointer}.purposeEvidence summary:focus-visible{outline:2px solid var(--amber-2);outline-offset:3px}.driveStatus{color:var(--amber-2);font-size:13px;line-height:1.6}.shaftSpeeds{font:11px/1.6 var(--mono);color:var(--ink-2);padding:8px 0}.gearTable{border-collapse:collapse;width:100%;font:11px/1.5 var(--mono)}.gearTable th{color:var(--muted);font-size:10px;font-weight:400}.gearTable th:nth-child(3){color:#8cb8d9}.gearTable th:nth-child(4){color:#d9b882}.gearTable th,.gearTable td{text-align:right;border-bottom:1px solid var(--line);padding:7px 3px}.gearTable th:first-child,.gearTable td:first-child{text-align:left}.gearTable button{font:inherit;white-space:nowrap;background:0 0;border-color:#0000;padding:3px 5px}.gearTable tr.engaged{color:var(--green);background:#6fe38f17}.gearTable tr.engaged button{color:var(--green);border-color:#6fe38f4d}.partSpecs{gap:8px;margin-top:16px;display:flex}.partSpecs span{font:12px var(--mono);background:var(--panel-2);border:1px solid var(--line-2);border-radius:4px;padding:8px}.row .name{font-size:13px}.cluster.timing{min-width:290px}.controls{gap:8px}.top .views{scrollbar-width:none;overflow-x:auto}.top .brand,.top .tools,.top .seg,.top .chips,.top .control{flex-shrink:0}@media (width<=1240px){.systemDescription{display:none}.explore{gap:8px}.cameraViews{display:none}.top .tools button{font-size:11px}.top{gap:10px}}@media (width<=900px){.partsToggle{display:inline-flex}.explore{padding:0 8px;overflow-x:auto}.explore>.eyebrow,.cameraViews{display:none}.systemSelect{flex:1 0 160px;min-width:160px;max-width:210px}.viewControls{gap:5px}.viewControls .control input[type=range]{width:65px}.explore>button{flex-shrink:0}.controlsToggle{display:inline-flex}.top{gap:8px;padding:0 8px}.top .brand{min-width:0}.top .tools{display:flex}.top .tools>:not(.torqueGuideButton),.top .rule,.top .viewLabel{display:none}.right{padding:12px 16px}.controlHint{padding:5px 8px;font-size:11px}.cluster{padding:5px 8px}.controls{flex-wrap:wrap}.cluster.timing{min-width:280px}.sidebar{display:none}#app.sidebarOpen .sidebar{z-index:20;width:min(330px,90vw);display:flex;position:absolute;top:92px;bottom:0;left:0;box-shadow:12px 0 40px #00000080}.sidebarClose{margin-left:auto;display:inline-flex}.reader{padding:8px}.readerTitle{font-size:12px}.strip{width:40px}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}