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@media(min-width:1051px){.engine-inspection-layout{grid-template-columns:minmax(0,1fr) 220px}}
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@media(prefers-reduced-motion:reduce){.engine-model-controls button:hover{transform:none}}
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.engine-model-guide span small{display:block;margin-top:3px;color:#31596a;font:750 .72rem/1.35 system-ui}.engine-model-guide #syncEngineCycles{min-height:40px;padding:8px 13px;border:1px solid #7e9ba8;border-radius:8px;background:#fff;color:#173e51;font-weight:850}.engine-model-guide #syncEngineCycles[aria-pressed=true]{border-color:#0b6986;background:#0b6986;color:#fff;box-shadow:0 0 0 3px rgba(11,105,134,.16)}.engine-sync-follower .engine-model-controls [data-engine-play],.engine-sync-follower .engine-model-controls [data-engine-step],.engine-sync-follower .engine-cycle-track button,.engine-sync-follower [data-engine-start],.engine-sync-follower [data-engine-rpm]{cursor:not-allowed}
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@media(max-width:430px){.engine-model-card[data-engine-lab=four] .engine-gauge-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.engine-viewport{--engine-instrument-deck:125px}.engine-viewport canvas{position:absolute;right:0;bottom:0;left:0;width:100%;height:calc(100% - var(--engine-instrument-deck))}.engine-gauge-panel{pointer-events:auto}.engine-mini-gauge{grid-template-columns:1fr;grid-template-rows:auto auto auto;grid-template-areas:"dial" "label" "value";justify-items:center;gap:3px;padding:6px 5px}.engine-mini-gauge>span{grid-area:label;width:100%;min-height:2.1em;overflow:visible;line-height:1.05;text-align:center;text-overflow:clip;white-space:normal}.engine-mini-gauge>span abbr{cursor:help;text-decoration:underline dotted #8ec9dc;text-underline-offset:2px}.engine-mini-gauge output{grid-area:value;width:100%;text-align:center}.engine-gauge-dial{grid-area:dial;grid-row:auto;width:36px;height:36px}.engine-gauge-dial b{height:13px}
@media(max-width:720px){.engine-mini-gauge{grid-template-columns:1fr;gap:2px}.engine-gauge-dial{width:30px;height:30px}.engine-gauge-dial b{height:10px}}
@media(max-width:430px){.engine-model-card[data-engine-lab=four] .engine-viewport{--engine-instrument-deck:180px}}
.engine-rpm-station{display:grid;grid-template-columns:150px minmax(0,1fr);align-items:center;gap:15px;padding:12px 15px;border-top:1px solid #b9cbd3;background:linear-gradient(135deg,#102731,#183e4b);color:#eef8fb}.engine-tachometer{position:relative;width:145px;max-width:100%;filter:drop-shadow(0 5px 8px rgba(0,0,0,.32))}.engine-tachometer svg{display:block;width:100%;height:auto}.tach-face{fill:#0a1115;stroke:#9aaab2;stroke-width:5}.tach-track,.tach-band{fill:none;stroke-width:7}.tach-track{stroke:#3e4c53;stroke-dasharray:66.667 100}.tach-band{stroke-linecap:butt;cursor:help;pointer-events:stroke;transition:stroke-width .14s ease,filter .14s ease}.tach-band:hover,.tach-band:focus-visible{stroke-width:13;filter:drop-shadow(0 0 4px currentColor);outline:none}.tach-idle{stroke:#aeb7bd;color:#aeb7bd}.tach-cruise{stroke:#51c46d;color:#51c46d}.tach-caution{stroke:#f2bd3a;color:#f2bd3a}.tach-redline{stroke:#f04a3f;stroke-width:10;color:#f04a3f}.tach-tick line{stroke:#d7e1e5;stroke-width:2}.tach-number{fill:#d7e1e5;font:700 8px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-anchor:middle}.tach-needle{stroke:#ffeee0;stroke-width:3.2;stroke-linecap:round;transform:rotate(var(--gauge-angle,-120deg));transform-origin:90px 90px;transition:transform .18s linear;pointer-events:none}.tach-hub{fill:#c9d2d6;stroke:#18252b;stroke-width:3}.tach-title{fill:#a9bbc3;font:800 8px/1 system-ui;letter-spacing:.1em;text-anchor:middle}.tach-value{fill:#fff;font:900 12px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-anchor:middle}.tach-zone-tooltip{position:absolute;z-index:3;top:50%;left:50%;box-sizing:border-box;width:max-content;max-width:132px;padding:6px 8px;border:1px solid rgba(219,235,241,.72);border-radius:6px;background:rgba(5,24,34,.94);box-shadow:0 4px 12px rgba(0,0,0,.38);color:#fff;font:850 .62rem/1.25 system-ui;text-align:center;transform:translate(-50%,-50%);pointer-events:none}.tach-zone-tooltip[hidden]{display:none}.engine-rpm-control{min-width:0}.engine-rpm-control label{display:flex;align-items:baseline;justify-content:space-between;gap:10px;color:#bdd6df;font-size:.76rem;font-weight:850}.engine-rpm-control label output{color:#fff;font:900 1rem/1 ui-monospace,SFMono-Regular,Menlo,monospace}.engine-rpm-control input[type=range]{width:100%;height:30px;margin:7px 0 0;accent-color:#43aaca;cursor:ew-resize}.engine-rpm-control input[type=range]:disabled{cursor:not-allowed;filter:grayscale(.8);opacity:.55}.engine-rpm-presets{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;margin-top:7px}.engine-rpm-presets button{min-height:34px;padding:6px 7px;border:1px solid #75919d;border-radius:6px;background:#f7fbfc;color:#173e4e;font:800 .66rem/1.15 system-ui;cursor:pointer}.engine-rpm-presets button:hover:not(:disabled),.engine-rpm-presets button:focus-visible{border-color:#63c0dc;background:#e6f8fd;outline:none;box-shadow:0 0 0 2px rgba(99,192,220,.22)}.engine-rpm-presets button[aria-pressed=true]:not(:disabled){border-color:#59b9d6;background:#0c6e8b;color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.2)}.engine-rpm-presets button:disabled{cursor:not-allowed;filter:saturate(.3);opacity:.42}.engine-rpm-start-actions{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:10px;margin:7px 0;padding-top:8px;border-top:1px solid rgba(169,193,202,.28)}.engine-rpm-start-actions span{color:#c2d5dc;font-size:.68rem;line-height:1.35}
.engine-sound-controls{display:grid;grid-template-columns:auto minmax(165px,.72fr) minmax(180px,1fr);align-items:center;gap:8px 12px;padding-top:8px;border-top:1px solid rgba(169,193,202,.28)}.engine-sound-controls>button{min-height:34px;padding:6px 10px;border:1px solid #6f919f;border-radius:7px;background:#f7fbfc;color:#173e4e;font:850 .68rem/1 system-ui;cursor:pointer}.engine-sound-controls>button[aria-pressed=true]{border-color:#55bddc;background:#087493;color:#fff;box-shadow:0 0 0 2px rgba(85,189,220,.18)}.engine-sound-controls>button:disabled{cursor:not-allowed;opacity:.55}.engine-sound-controls label{display:grid;grid-template-columns:auto minmax(70px,1fr) auto;align-items:center;gap:7px;color:#bdd6df;font:800 .65rem/1 system-ui}.engine-sound-controls input[type=range]{width:100%;min-width:70px;height:24px;margin:0;accent-color:#43aaca}.engine-sound-controls output{color:#fff;font:850 .68rem/1 ui-monospace,SFMono-Regular,Menlo,monospace}.engine-sound-controls>span{color:#bcd1d8;font-size:.62rem;line-height:1.25}
.engine-prop-pitch-control.is-locked.is-coasting .engine-prop-pitch-actions output::after{content:" · engine coasting"}
@media(max-width:520px){.engine-rpm-station{grid-template-columns:110px minmax(0,1fr);gap:10px;padding:10px}.engine-tachometer{width:108px}.engine-rpm-control label{display:grid;gap:3px}.engine-rpm-control label output{font-size:.82rem}.tach-zone-tooltip{max-width:102px;padding:5px 6px;font-size:.54rem}.engine-rpm-presets{grid-template-columns:1fr 1fr;gap:4px}.engine-rpm-presets button{min-height:31px;padding:5px 4px;font-size:.58rem}.engine-sound-controls{grid-template-columns:auto minmax(0,1fr)}.engine-sound-controls>span{grid-column:1/-1}.engine-sound-controls label{grid-template-columns:auto minmax(55px,1fr) auto}}
.engine-prop-pitch-control{display:grid;grid-template-columns:minmax(190px,.8fr) minmax(250px,1.2fr);align-items:center;gap:10px 18px;padding:12px 15px;border-top:1px solid #b9cbd3;background:#f4f0e5}.engine-prop-pitch-control .eyebrow{color:#80621d;font-size:.61rem}.engine-prop-pitch-control strong{display:block;margin-top:2px;color:#283d45}.engine-prop-pitch-control p{margin:3px 0 0;color:#55666c;font-size:.69rem;line-height:1.35}.engine-prop-pitch-actions{display:grid;grid-template-columns:auto minmax(150px,1fr) auto;align-items:center;gap:7px}.engine-prop-pitch-actions button{min-height:36px;padding:6px 9px;border:1px solid #8d7844;border-radius:7px;background:#fff;color:#4b3a13;font:800 .7rem/1.2 system-ui}.engine-prop-pitch-actions button:hover:not(:disabled){border-color:#99710d;background:#fff9e6}.engine-prop-pitch-actions button:disabled{cursor:not-allowed;opacity:.48}.engine-prop-pitch-actions output{color:#513f17;font:800 .69rem/1.3 system-ui;text-align:center}.engine-prop-pitch-control>small{grid-column:1/-1;color:#697477;font-size:.61rem;line-height:1.35}.engine-prop-pitch-control>small a{color:#0b6583;font-weight:750}.engine-prop-pitch-control.is-locked{background:#eeece6}.engine-prop-pitch-control.is-locked .engine-prop-pitch-actions output::after{content:" · engine running";color:#9b4b2d}.engine-model-card[data-engine-lab=two] .engine-viewport::after{content:"GROUND-ADJUSTABLE 3-BLADE PROP";position:absolute;right:10px;bottom:10px;padding:4px 7px;border-radius:5px;background:rgba(62,49,21,.76);color:#ffe9a8;font:850 .58rem/1 system-ui;letter-spacing:.06em;pointer-events:none}.engine-model-card[data-engine-lab=two] .engine-view-cue{bottom:37px}@media(max-width:620px){.engine-prop-pitch-control{grid-template-columns:1fr}.engine-prop-pitch-control>small{grid-column:1}.engine-prop-pitch-actions{grid-template-columns:1fr 1fr}.engine-prop-pitch-actions output{grid-column:1/-1;grid-row:1}.engine-prop-pitch-actions button{grid-row:2}}
details.engine-prop-pitch-control{display:block;padding:0}details.engine-prop-pitch-control>summary{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 15px;cursor:pointer;list-style:none;user-select:none}details.engine-prop-pitch-control>summary::-webkit-details-marker{display:none}details.engine-prop-pitch-control>summary:focus-visible{outline:3px solid #d99a1c;outline-offset:-3px}details.engine-prop-pitch-control>summary:hover{background:#fff8e7}details.engine-prop-pitch-control[open]>summary{border-bottom:1px solid #d3c49b;background:#fbf5e6}.engine-prop-pitch-expand{position:relative;flex:none;width:28px;height:28px;border:1px solid #a28b51;border-radius:50%;background:#fff}.engine-prop-pitch-expand::before,.engine-prop-pitch-expand::after{content:"";position:absolute;top:50%;left:50%;width:11px;height:2px;border-radius:2px;background:#6d5419;transform:translate(-50%,-50%);transition:transform .18s ease}.engine-prop-pitch-expand::after{transform:translate(-50%,-50%) rotate(90deg)}details.engine-prop-pitch-control[open] .engine-prop-pitch-expand::after{transform:translate(-50%,-50%) rotate(0)}.engine-prop-pitch-body{display:grid;grid-template-columns:minmax(190px,.8fr) minmax(250px,1.2fr);align-items:center;gap:10px 18px;padding:11px 15px 13px}.engine-prop-pitch-body>p{margin:0}.engine-prop-pitch-body>small{grid-column:1/-1;color:#697477;font-size:.61rem;line-height:1.35}.engine-prop-pitch-body>small a{color:#0b6583;font-weight:750}@media(max-width:620px){.engine-prop-pitch-body{grid-template-columns:1fr}.engine-prop-pitch-body>small{grid-column:1}}
.engine-part-browser{border-top:1px solid #b9cbd3;background:#edf4f6}.engine-part-browser>header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;border-bottom:1px solid #c4d3d9}.engine-part-browser>header div{display:grid;gap:2px}.engine-part-browser>header strong{color:#143e52;font-size:.82rem}.engine-part-browser>header span{color:#58707a;font-size:.68rem}.engine-part-browser>header output{flex:none;padding:4px 8px;border-radius:999px;background:#d5e7ed;color:#0d526c;font-size:.65rem;font-weight:900}.engine-part-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;max-height:220px;padding:11px 13px;overflow:auto;overscroll-behavior:contain}.engine-part-group{align-self:start;padding:8px;border:1px solid #c6d5db;border-radius:8px;background:rgba(255,255,255,.78)}.engine-part-group h4{margin:0 0 6px;color:#58717d;font-size:.58rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.engine-part-button-list{display:flex;flex-wrap:wrap;gap:5px}.engine-part-button{display:inline-flex;align-items:center;gap:5px;min-height:29px;padding:5px 7px;border:1px solid #a9bcc4;border-radius:6px;background:#fff;color:#173f51;font:750 .64rem/1.15 system-ui;text-align:left;cursor:pointer}.engine-part-button::before{content:"";flex:none;width:8px;height:8px;border-radius:50%;background:var(--part-color,#1b88a2);box-shadow:0 0 0 1px rgba(0,0,0,.18)}.engine-part-button:hover{border-color:#3c819b;background:#edf8fb}.engine-part-button[aria-pressed=true]{border-color:#096987;background:#0b6986;color:#fff;box-shadow:0 0 0 2px rgba(11,105,134,.18)}.engine-part-button:focus-visible{outline:3px solid #f2aa28;outline-offset:2px}
@media(max-width:720px){.engine-part-browser>header{align-items:flex-start}.engine-part-browser>header span{font-size:.64rem}.engine-part-groups{grid-template-columns:1fr;max-height:185px}.engine-part-button{min-height:32px;font-size:.67rem}}
.engine-ignition-note{display:grid;grid-template-columns:minmax(250px,.56fr) minmax(0,1fr);gap:22px;align-items:center;margin:0 0 18px;padding:16px 18px;border-left:5px solid #2d9ec2;background:linear-gradient(100deg,rgba(255,246,222,.97),rgba(228,247,252,.97))}.engine-ignition-note h2{margin:.2rem 0 0;font-size:1.18rem}.engine-ignition-note p{margin:0;color:#465a64}.engine-ignition-legend{display:flex;flex-wrap:wrap;gap:8px;padding:8px 13px;border-top:1px solid #b9cbd3;background:#f7fafb}.engine-ignition-legend span{display:inline-flex;align-items:center;gap:6px;padding:5px 8px;border-radius:999px;font:800 .64rem/1.2 system-ui}.engine-ignition-legend span::before{content:"";width:9px;height:9px;border-radius:50%;box-shadow:0 0 0 2px rgba(0,0,0,.1)}.engine-ignition-legend .ignition-mag{background:#fff2d4;color:#6e4a07}.engine-ignition-legend .ignition-mag::before{background:#e5a72f}.engine-ignition-legend .ignition-electronic{background:#e4f6fb;color:#075b73}.engine-ignition-legend .ignition-electronic::before{background:#4fc2df}@media(max-width:720px){.engine-ignition-note{grid-template-columns:1fr;gap:7px}.engine-ignition-legend{display:grid}.engine-system-node strong{white-space:normal}}
.engine-source-grid{grid-template-columns:repeat(3,minmax(0,1fr))}@media(max-width:1050px){.engine-source-grid{grid-template-columns:1fr}}
.engine-model-card[data-engine-lab=four] .engine-viewport::after{content:"GROUND-ADJUSTABLE 2-BLADE PROP";position:absolute;right:10px;bottom:10px;padding:4px 7px;border-radius:5px;background:rgba(62,49,21,.76);color:#ffe9a8;font:850 .58rem/1 system-ui;letter-spacing:.06em;pointer-events:none}.engine-model-card[data-engine-lab=four] .engine-view-cue{bottom:37px}
.diagram-description-fade{animation:diagram-description-fade-in .28s ease both}@keyframes diagram-description-fade-in{from{opacity:.12;transform:translateY(3px)}to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){.diagram-description-fade{animation:none}}
.engine-part-panel{grid-template-columns:18px minmax(0,1fr)}.engine-part-preview{grid-column:1/-1;position:relative;height:128px;overflow:hidden;border:1px solid #b8ccd5;border-radius:9px;background:radial-gradient(circle at 50% 38%,#eaf6fa,#c3d8e1 68%,#91a9b3);box-shadow:inset 0 0 0 1px rgba(255,255,255,.62)}.engine-part-preview canvas{display:block;width:100%;height:100%;opacity:0;transition:opacity .24s ease}.engine-part-preview[data-state=ready] canvas{opacity:1}.engine-part-preview>span{position:absolute;top:7px;left:8px;padding:3px 5px;border-radius:4px;background:rgba(7,38,52,.78);color:#e9f8fd;font:850 .52rem/1 system-ui;letter-spacing:.09em;pointer-events:none}.engine-part-preview[data-state=idle]::after{content:"HOVER OR TAP A PART";position:absolute;inset:0;display:grid;place-items:center;padding-top:12px;color:#587581;font:850 .6rem/1 system-ui;letter-spacing:.08em}.engine-part-preview[data-state=unavailable]::after{content:"PREVIEW UNAVAILABLE";position:absolute;inset:0;display:grid;place-items:center;color:#6b7478;font:800 .6rem/1 system-ui;letter-spacing:.06em}.engine-part-copy{min-width:0}
@media(max-width:720px){.engine-inspection-layout .engine-part-panel{grid-template-columns:14px 108px minmax(0,1fr);max-height:190px}.engine-inspection-layout .engine-part-preview{grid-column:2;grid-row:1;height:100px}.engine-inspection-layout .engine-part-swatch{grid-column:1;grid-row:1;height:48px}.engine-inspection-layout .engine-part-copy{grid-column:3;grid-row:1}.engine-part-preview>span{font-size:.46rem}.engine-part-preview[data-state=idle]::after{font-size:.52rem;text-align:center}}
@media(max-width:430px){.engine-inspection-layout .engine-part-panel{grid-template-columns:12px 92px minmax(0,1fr);gap:9px;max-height:190px}.engine-inspection-layout .engine-part-preview{height:92px}.engine-inspection-layout .engine-part-swatch{width:12px}.engine-part-preview>span{top:5px;left:5px;padding:3px;font-size:.4rem}}