/* Page-scoped navy and blue workspace, using the shared Learn palette. */
.airplane-page {
  --model-surface: #0b2438;
  --model-copy: #c8dae8;
  background: var(--paper);
}
.airplane-page [hidden] { display: none !important; }
.airplane-page button { cursor: pointer; }
.airplane-page button:disabled { cursor: default; }
.airplane-page button:focus-visible,
.airplane-page summary:focus-visible,
.airplane-page select:focus-visible,
.airplane-page input:focus-visible { outline: 3px solid #1885ff; outline-offset: 3px; }

.airplane-page .airplane-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin: 0;
  padding: 30px max(32px, calc((100% - 1216px) / 2));
  background: #0a2439;
  border-bottom: 1px solid #264155;
  color: white;
}
.airplane-page .airplane-heading .breadcrumb { color: #a5c9e6; font-size: 12px; }
.airplane-page .airplane-heading h1 { margin: 11px 0 10px; color: white; font-size: clamp(30px, 3.3vw, 42px); }
.airplane-page .airplane-heading p { max-width: 700px; margin: 0; color: #e0e9f1; font-size: 15px; line-height: 1.6; }
.airplane-page .airplane-heading .aircraft-tag { flex-shrink: 0; max-width: none; padding-left: 24px; border-left: 1px solid #ffffff28; color: #dcecff; font-size: 14px; font-weight: 700; line-height: 1.6; }
.airplane-page .aircraft-tag span { display: block; color: #aec8dc; font-size: 12px; font-weight: 400; }
.airplane-page .overline { margin: 0 0 9px; color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: 1.2px; line-height: 1.4; }

/* Systems and modes appear above the visualization in reading order. */
.airplane-page .system-sidebar { display: block; width: 100%; max-width: 1280px; margin: auto; padding: 22px 32px 16px; }
.airplane-page .system-tabs { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; padding: 5px; border: 1px solid var(--line); border-radius: 10px; background: white; }
.airplane-page .system-tabs button { display: flex; align-items: center; justify-content: center; gap: 10px; min-width: 0; min-height: 48px; padding: 10px 13px; border: 0; border-radius: 6px; background: transparent; color: var(--muted); font-size: 14px; font-weight: 600; line-height: 1.3; }
.airplane-page .system-tabs button:hover { background: #edf4fb; color: var(--navy); }
.airplane-page .system-tabs button[aria-pressed=true] { background: var(--navy); color: white; }
.airplane-page .system-tabs svg { flex-shrink: 0; width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.airplane-page .system-arrow { display: none; }
.airplane-page .workspace-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 9px 20px; max-width: 1280px; margin: auto; padding: 4px 32px 17px; }
.airplane-page .workspace-title { min-width: 0; }
.airplane-page .inspector-heading { display: flex; align-items: center; gap: 11px; }
.airplane-page .inspector-heading > span { display: grid; place-items: center; flex-shrink: 0; width: 32px; height: 32px; border-radius: 7px; background: #e4effb; color: var(--teal); font-size: 12px; font-weight: 700; }
.airplane-page .inspector-heading h2 { margin: 0; font-size: 24px; letter-spacing: -.035em; }
.airplane-page #stage-title { margin: 5px 0 0 43px; font-size: 10px; letter-spacing: .9px; }
.airplane-page .mode-tabs { display: inline-flex; gap: 3px; padding: 4px; border: 1px solid #d2deeb; border-radius: 8px; background: #eaf1f8; }
.airplane-page .mode-tabs button { min-height: 44px; padding: 9px 16px; border: 0; border-radius: 5px; background: transparent; color: #42647d; font-size: 13px; font-weight: 600; white-space: nowrap; }
.airplane-page .mode-tabs button:hover { color: var(--teal); }
.airplane-page .mode-tabs button[aria-pressed=true] { background: var(--teal); color: white; box-shadow: 0 2px 5px #15385216; }
.airplane-page #mode-caption { flex-basis: 100%; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5; }

/* Columns grow with their content; essential controls never scroll separately. */
.airplane-page .explorer { display: grid; grid-template-columns: minmax(0, 1fr) 340px; align-items: start; max-width: 1216px; margin: auto; border: 1px solid var(--line); border-radius: 11px; background: white; overflow: hidden; }
.airplane-page .model-stage { min-width: 0; background: white; border-right: 1px solid var(--line); }
.airplane-page #model-view { position: relative; height: 430px; min-width: 0; overflow: hidden; background: radial-gradient(ellipse at 55% 45%, #203f59, var(--model-surface)); color: white; }
.airplane-page #model-canvas { position: absolute; inset: 0; }
.airplane-page #model-canvas canvas { display: block; width: 100%; height: 100%; outline: none; touch-action: none; }
.airplane-page #model-canvas canvas:focus-visible { outline: 3px solid #a8d5ff; outline-offset: -4px; }
.airplane-page #model-loading { position: absolute; top: 44%; right: 12%; left: 12%; margin: 0; color: #d2e3f0; font-size: 14px; text-align: center; }
.airplane-page #model-loading button { display: block; min-height: 44px; margin: 14px auto 0; padding: 10px 16px; border: 1px solid #88adca; border-radius: 6px; background: #21425d; color: white; }
.airplane-page .model-error #model-loading { z-index: 5; padding: 18px; border-radius: 8px; background: #102d43; }
.airplane-page #model-labels { position: absolute; inset: 0; pointer-events: none; }
.airplane-page .model-label { position: absolute; z-index: 2; width: max-content; max-width: calc(50% - 32px); min-height: 44px; padding: 8px 10px; border: 1px solid #58748b; border-radius: 6px; background: #18384fee; color: #bdd0df; font-size: 11px; line-height: 1.35; text-align: left; transform: translate(-50%, -50%); pointer-events: auto; }
.airplane-page .model-label:hover { color: white; border-color: #9ebcd3; }
.airplane-page .model-label.selected { z-index: 3; max-width: calc(100% - 40px); border: 2px solid #a8d5ff; background: #0d65c2; color: white; font-size: 12px; font-weight: 700; box-shadow: 0 3px 12px #00162830; }
.airplane-page .model-label .label-index { display: inline-block; margin-right: 6px; color: #8cb5d5; font-weight: 700; }
.airplane-page .model-label.selected .label-index { color: #d6ebff; }
.airplane-page .label-leaders { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.airplane-page .label-leaders line { stroke: #8ba5bc; stroke-width: 1; opacity: .2; }
.airplane-page .label-leaders line.selected { stroke: #a8d5ff; stroke-width: 1.8; opacity: .95; }
.airplane-page .stage-condition { display: flex; align-items: flex-start; gap: 9px; padding: 13px 18px; border-bottom: 1px solid #d7e4f0; background: #edf4fb; color: var(--navy); font-size: 13px; line-height: 1.5; }
.airplane-page .stage-condition p { margin: 0; }
.airplane-page .legend-dot { flex-shrink: 0; width: 7px; height: 7px; margin-top: 6px; border-radius: 50%; background: var(--teal); }
.airplane-page .stage-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 9px 12px; padding: 12px 18px; background: white; }
.airplane-page .stage-bottom > p { margin: 0; color: var(--muted); font-size: 12px; }
.airplane-page .camera-buttons { display: flex; flex-wrap: wrap; gap: 5px; }
.airplane-page .camera-buttons button,
.airplane-page .stage-button { min-width: 44px; min-height: 44px; padding: 8px 11px; border: 1px solid #c9d9e8; border-radius: 6px; background: white; color: #315875; font-size: 13px; line-height: 1.3; }
.airplane-page .camera-buttons button:hover { border-color: #8aafd0; background: #edf4fb; }
.airplane-page .visual-settings { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; padding: 0 18px 10px; background: white; }
.airplane-page .view-options { flex: 1; min-width: 0; }
.airplane-page .view-options summary,
.airplane-page .component-browser summary { display: flex; align-items: center; min-height: 44px; color: var(--teal); font-size: 13px; font-weight: 600; cursor: pointer; list-style: none; }
.airplane-page .view-options summary::before,
.airplane-page .component-browser summary::before { content: '+'; width: 22px; font-size: 18px; font-weight: 400; }
.airplane-page .view-options[open] summary::before,
.airplane-page .component-browser[open] summary::before { content: '−'; }
.airplane-page .view-options summary::-webkit-details-marker,
.airplane-page .component-browser summary::-webkit-details-marker { display: none; }
.airplane-page .animation-control { min-width: 142px; margin: 0; }
.airplane-page .animation-control .switch-row { margin: 0; }
.airplane-page .switch-row { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 44px; margin: 7px 0; color: var(--ink); font-size: 13px; line-height: 1.4; cursor: pointer; }
.airplane-page .switch-row input { position: absolute; right: 0; width: 42px; height: 44px; opacity: 0; margin: 0; cursor: pointer; }
.airplane-page .switch-row > span[aria-hidden=true] { flex-shrink: 0; width: 38px; height: 22px; border-radius: 20px; background: #b9cad9; pointer-events: none; }
.airplane-page .switch-row > span[aria-hidden=true]::before { content: ''; display: block; width: 16px; height: 16px; margin: 3px; border-radius: 50%; background: white; box-shadow: 0 1px 2px #0002; transition: transform .15s; }
.airplane-page .switch-row input:checked + span[aria-hidden=true] { background: var(--teal); }
.airplane-page .switch-row input:checked + span[aria-hidden=true]::before { transform: translateX(16px); }
.airplane-page .switch-row input:focus-visible + span[aria-hidden=true] { outline: 3px solid #1885ff; outline-offset: 3px; }
.airplane-page .model-sliders { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; padding: 3px 0 10px; }
.airplane-page .model-sliders label { display: grid; grid-template-columns: 1fr auto; gap: 2px 8px; color: var(--muted); font-size: 12px; }
.airplane-page .model-sliders input { grid-column: 1 / -1; width: 100%; height: 44px; margin: 0; accent-color: var(--teal); }
.airplane-page .model-sliders output { color: var(--ink); }

/* Mode action and controls precede supporting component information. */
.airplane-page .inspector { min-width: 0; padding: 23px 22px; background: white; }
.airplane-page .mode-purpose h3 { margin: 0 0 9px; font-size: 20px; }
.airplane-page .mode-purpose p { margin: 0 0 15px; color: var(--muted); font-size: 14px; line-height: 1.6; }
.airplane-page .system-sequence { margin: 16px 0 0; padding-left: 21px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.airplane-page .system-sequence li { padding-left: 3px; margin: 0 0 12px; }
.airplane-page .system-sequence li.active { padding: 9px; margin-left: -9px; border-radius: 6px; background: #edf4fb; color: var(--navy); }
.airplane-page .system-sequence li::marker { color: var(--teal); font-weight: 700; }
.airplane-page .sequence-component { min-height: 44px; padding: 5px 8px; margin-left: -8px; border: 0; border-radius: 5px; background: transparent; color: var(--teal); font-size: inherit; font-weight: 700; text-align: left; }
.airplane-page .sequence-component:hover,
.airplane-page .sequence-component[aria-pressed=true] { background: #e8f2fc; color: #0754a6; }
.airplane-page .controls-group { padding-top: 0; margin-top: 16px; }
.airplane-page .controls-group > .overline { padding-top: 15px; border-top: 1px solid var(--line); }
.airplane-page .controls-group label:not(.switch-row) { display: block; margin: 13px 0 4px; color: var(--ink); font-size: 13px; line-height: 1.5; }
.airplane-page .controls-group output { float: right; font-weight: 700; color: var(--navy); }
.airplane-page .controls-group input[type=range] { display: block; width: 100%; height: 44px; margin: 0; accent-color: var(--teal); }
.airplane-page .controls-group select { width: 100%; min-height: 44px; padding: 8px; border: 1px solid #c9d9e8; border-radius: 6px; background: white; color: var(--ink); font: inherit; font-size: 13px; }
.airplane-page .segmented { display: flex; gap: 5px; }
.airplane-page .segmented button { flex: 1; min-width: 0; min-height: 44px; padding: 9px 5px; border: 1px solid #c9d9e8; border-radius: 6px; background: #f5f8fb; color: var(--ink); font-size: 13px; }
.airplane-page .segmented button[aria-pressed=true] { border-color: var(--teal); background: var(--teal); color: white; font-weight: 700; }
.airplane-page .help { margin: 10px 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.airplane-page .small-button { min-height: 44px; padding: 8px 12px; border: 1px solid #c9d9e8; border-radius: 6px; background: white; color: var(--teal); font-size: 13px; }
.airplane-page .small-button:hover { background: #edf4fb; }
.airplane-page .experiment-feedback { margin: 14px 0 10px; padding: 12px 13px; border-left: 3px solid var(--teal); border-radius: 0 6px 6px 0; background: #edf4fb; color: #315875; font-size: 13px; line-height: 1.55; }
.airplane-page .experiment-feedback p { margin: 0; }
.airplane-page .component-detail { margin: 22px 0 15px; padding: 15px 16px; border: 1px solid #d6e6f4; border-left: 3px solid var(--teal); border-radius: 7px; background: #f1f7fc; }
.airplane-page .component-detail .overline { margin-bottom: 6px; color: var(--teal); font-size: 10px; letter-spacing: 1px; }
.airplane-page .component-detail h3 { margin: 0 0 8px; font-size: 18px; letter-spacing: -.025em; }
.airplane-page .component-detail p { margin: 0; color: #42647d; font-size: 13px; line-height: 1.65; }
.airplane-page #system-intro { margin: 15px 0 8px; color: var(--muted); font-size: 12px; line-height: 1.6; }
.airplane-page .component-browser { border-top: 1px solid var(--line); }
.airplane-page #component-count { margin-left: auto; padding: 1px 7px; border-radius: 5px; background: #edf4fb; color: var(--muted); font-size: 11px; }
.airplane-page #component-list { display: grid; gap: 3px; padding: 4px 0 0; }
.airplane-page .component-item { display: flex; align-items: center; gap: 10px; width: 100%; min-height: 44px; padding: 8px; border: 0; border-radius: 5px; background: transparent; color: var(--ink); font-size: 13px; line-height: 1.4; text-align: left; }
.airplane-page .component-item:hover { background: #edf4fb; }
.airplane-page .component-item[aria-pressed=true] { background: #e3effb; color: #0754a6; font-weight: 700; }
.airplane-page .component-index { flex-shrink: 0; width: 20px; color: #63829a; font-size: 11px; }
.airplane-page .component-item[aria-pressed=true] .component-index { color: var(--teal); }

/* Functional diagrams are available without WebGL. */
.airplane-page #follow-view { position: relative; min-height: 430px; padding: 21px 25px; background: var(--model-surface); color: #e4f0fa; }
.airplane-page .diagram-intro { max-width: 600px; margin: 0 0 18px; color: var(--model-copy); font-size: 13px; line-height: 1.6; }
.airplane-page .fuel-diagram { display: flex; flex-direction: column; align-items: center; max-width: 520px; margin: 0 auto; }
.airplane-page .tank-pair { display: flex; justify-content: space-between; width: 100%; gap: 30px; }
.airplane-page .diagram-node { min-width: 135px; min-height: 44px; padding: 8px 12px; border: 1px solid #547790; border-radius: 7px; background: #183c57; color: #dceaf6; font: 500 13px/1.35 'DM Sans', sans-serif; text-align: center; }
.airplane-page .diagram-node small { display: block; margin-top: 3px; color: #a8c2d7; font-size: 10px; font-weight: 400; }
.airplane-page .diagram-node.active { border-color: #71b7f9; background: #144c79; }
.airplane-page .diagram-node.selected { outline: 2px solid #a8d5ff; outline-offset: 3px; background: #0963b7; color: white; }
.airplane-page .diagram-node.selected small { color: #d7ecff; }
.airplane-page .diagram-node.amber { border-color: #c7a56c; background: #473d2f; color: #ffe0a9; }
.airplane-page .pipe-join { position: relative; width: 65%; height: 22px; border: 2px solid #3d5a71; border-top: 0; border-radius: 0 0 16px 16px; }
.airplane-page .pipe-join::after { content: ''; position: absolute; left: calc(50% - 1px); top: 20px; width: 2px; height: 12px; background: #689bc6; }
.airplane-page .pipe-join.left { border-left-color: #74b9fb; }
.airplane-page .pipe-join.right { border-right-color: #74b9fb; }
.airplane-page .pipe { position: relative; width: 2px; height: 16px; margin: 0 auto; background: #3d5a71; }
.airplane-page .pipe.flow { background: #74b9fb; }
.airplane-page .pipe.flow::after { content: ''; position: absolute; top: 0; left: -1.5px; width: 5px; height: 5px; border-radius: 50%; background: #d3ebff; animation: pipe-flow 1s linear infinite; }
.airplane-page .diagram-pumps { display: flex; gap: 9px; padding: 7px; border: 1px dashed #55758d; border-radius: 9px; }
.airplane-page .diagram-note { margin: 13px 0 0; color: #afc7db; font-size: 11px; line-height: 1.55; }
.airplane-page .diagram-note .diagram-node { display: block; min-width: 0; margin: 9px auto 0; }
.airplane-page .diagram-annotation { display: flex; align-items: center; gap: 12px; margin-top: 12px; color: #afc7db; font-size: 11px; }
.airplane-page .diagram-annotation .diagram-node { min-width: 0; }
.airplane-page .cycle-display { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr)); align-items: center; gap: 24px; max-width: 720px; margin: 20px auto; }
.airplane-page .engine-illustration { display: block; width: 100%; max-width: 300px; padding: 0; border: 1px solid #54748c; border-radius: 8px; background: #102d43; }
.airplane-page .engine-illustration.selected { outline: 2px solid #a8d5ff; outline-offset: 3px; }
.airplane-page .engine-illustration svg { display: block; width: 100%; height: auto; }
.airplane-page .engine-illustration text { fill: #dceaf6; font: 15px Manrope, sans-serif; }
.airplane-page .engine-port { fill: none; stroke: #54748c; stroke-width: 14; stroke-linejoin: round; }
.airplane-page .engine-wall { fill: none; stroke: #83a5be; stroke-width: 7; }
.airplane-page .engine-valve { fill: none; stroke: #b6cbd9; stroke-width: 5; }
.airplane-page .engine-valve.valve-open { stroke: #7cdce8; }
.airplane-page .engine-plugs { fill: none; stroke: #dceaf6; stroke-width: 5; }
.airplane-page .engine-spark { fill: #ffe19c; stroke: #f7b545; stroke-width: 1; }
.airplane-page .engine-flow { fill: none; stroke-width: 3; }
.airplane-page .intake-flow { stroke: #7cdce8; }
.airplane-page .exhaust-flow { stroke: #dceaf6; }
.airplane-page .engine-expansion { fill: none; stroke: #ffca9c; stroke-width: 3; }
.airplane-page .engine-crank-wheel { fill: #183c57; stroke: #54748c; stroke-width: 3; }
.airplane-page .engine-crank-arm { fill: none; stroke: #7c9ab0; stroke-width: 15; stroke-linecap: round; }
.airplane-page .engine-rod { fill: none; stroke: #b6cbd9; stroke-width: 9; stroke-linecap: round; }
.airplane-page .engine-piston { fill: #b6cbd9; stroke: #d7e6ef; stroke-width: 2; }
.airplane-page .engine-piston-ring { fill: none; stroke: #617e93; stroke-width: 2; }
.airplane-page .engine-pin { fill: #0b2438; stroke: #dceaf6; stroke-width: 2; }
.airplane-page .engine-direction { fill: none; stroke: #a8d5ff; stroke-width: 3; }
.airplane-page .engine-leader { fill: none; stroke: #83a5be; stroke-width: 1; }
.airplane-page .engine-states { margin: 17px 0 0; color: #dceaf6; font-size: 13px; line-height: 1.5; }
.airplane-page .engine-states > div { padding: 8px 0; border-top: 1px solid #35536b; }
.airplane-page .engine-states dt { color: #a8c2d7; font-weight: 600; }
.airplane-page .engine-states dd { margin: 3px 0 0; }
.airplane-page .cycle-display .overline { color: #91b8d8; }
.airplane-page .cycle-display h3 { margin: 0 0 10px; color: white; font-size: 27px; }
.airplane-page .cycle-display p { color: var(--model-copy); font-size: 14px; line-height: 1.65; }
.airplane-page .cycle-steps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; margin: 12px 0; }
.airplane-page .cycle-steps button { min-width: 0; min-height: 44px; padding: 8px; border: 1px solid #c9d9e8; border-radius: 6px; background: #f5f8fb; color: var(--ink); font-size: 12px; text-align: left; }
.airplane-page .cycle-steps button[aria-pressed=true] { border-color: var(--teal); background: var(--teal); color: white; }
.airplane-page #follow-view .cycle-steps { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.airplane-page #follow-view .cycle-steps button { border-color: #547790; background: #183c57; color: #dceaf6; }
.airplane-page #follow-view .cycle-steps button[aria-pressed=true] { border-color: #a8d5ff; background: #0963b7; color: white; }
.airplane-page .prop-diagram { position: relative; display: grid; place-items: center; height: 225px; max-width: 500px; margin: 15px auto; }
.airplane-page .prop-disc { position: relative; width: 210px; height: 210px; border: 1px dashed #557c9a; border-radius: 50%; }
.airplane-page .prop-blade { position: absolute; top: calc(50% - 7px); left: 5%; width: 90%; height: 14px; border-radius: 70% 20%; background: linear-gradient(90deg, #d9eaf7 5%, #69b4f7 6%, #266da8 50%, #69b4f7 94%, #d9eaf7 95%); }
.airplane-page .prop-hub { position: absolute; top: calc(50% - 17px); left: calc(50% - 17px); width: 34px; height: 34px; border-radius: 50%; background: #c2d5e3; }
.airplane-page .prop-disc.spinning { animation: prop-spin 5s linear infinite; }
.airplane-page .prop-views { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr)); gap: 22px; align-items: start; margin: 20px 0; }
.airplane-page .prop-view-caption,
.airplane-page .prop-section figcaption { margin: 0 0 8px; color: #dceaf6; font-size: 13px; font-weight: 600; text-align: center; }
.airplane-page .prop-section { min-width: 0; margin: 0; }
.airplane-page .prop-section svg { display: block; width: 100%; max-width: 360px; height: auto; margin: auto; }
.airplane-page .prop-section text { fill: #dceaf6; font: 17px Manrope, sans-serif; }
.airplane-page .prop-plane { fill: none; stroke: #83a5be; stroke-width: 1; stroke-dasharray: 5 4; }
.airplane-page .prop-airflow { fill: none; stroke: #7cdce8; stroke-width: 3; }
.airplane-page .prop-section-blade { fill: #81c2fd; stroke: #dceaf6; stroke-width: 2; }
.airplane-page .prop-chord { fill: none; stroke: #dceaf6; stroke-width: 1; stroke-dasharray: 3 3; }
.airplane-page .prop-angle { fill: none; stroke: #f0c67f; stroke-width: 2; }
.airplane-page .prop-leader { fill: none; stroke: #f0c67f; stroke-width: 1; }
.airplane-page .prop-thrust { fill: none; stroke: #f0c67f; stroke-width: 3; }
.airplane-page .prop-blade-motion { fill: none; stroke: #dceaf6; stroke-width: 2; }
.airplane-page .prop-section-copy { margin: 7px 0 0; color: var(--model-copy); font-size: 13px; line-height: 1.55; }
.airplane-page .pitot-connections { display: flex; align-items: stretch; justify-content: center; gap: 12px; }
.airplane-page .pitot-connections .diagram-node { flex: 1; min-width: 0; }
.airplane-page .pressure-lines { margin-top: 12px; }
.airplane-page .gauge-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 23px 0; }
.airplane-page .gauge { min-width: 0; min-height: 44px; padding: 18px 7px; border: 1px solid #4b6c87; border-radius: 9px; background: #15334b; color: #e5f2fd; font: inherit; text-align: center; }
.airplane-page .gauge.selected { outline: 2px solid #a8d5ff; outline-offset: 3px; background: #184770; }
.airplane-page .gauge span { display: block; color: #a9c4da; font-size: 10px; line-height: 1.5; letter-spacing: .5px; }
.airplane-page .gauge strong { display: block; color: #e5f2fd; font-family: Manrope, sans-serif; font-size: clamp(22px, 3vw, 34px); line-height: 1.6; }
.airplane-page .gauge small { display: block; color: #96c9f6; font-size: 10px; line-height: 1.4; }
.airplane-page .lab-message { margin: 16px 0 0; padding: 12px 14px; border-left: 3px solid #79bbf6; border-radius: 0 6px 6px 0; background: #183d58; color: #d2e6f6; font-size: 13px; line-height: 1.6; }

/* Pressure references stay visibly connected to the instruments they serve. */
.airplane-page .pressure-diagram { --pitot-color: #7cdce8; --static-color: #f0c67f; }
.airplane-page .pressure-diagram h3 { margin: 0 0 8px; color: #f4f8fc; font-size: 22px; line-height: 1.3; letter-spacing: -.025em; }
.airplane-page .pressure-sources { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.airplane-page .pressure-source { min-width: 0; min-height: 44px; padding: 12px; border: 1px solid #547790; border-radius: 8px; background: #15334b; color: #dceaf6; font: inherit; font-size: 13px; text-align: left; }
.airplane-page .pressure-source.selected { outline: 2px solid #a8d5ff; outline-offset: 3px; }
.airplane-page .pressure-source small { display: block; margin-top: 5px; color: #c0d2e1; font-size: 11px; line-height: 1.45; }
.airplane-page .pressure-key { display: block; font-weight: 700; }
.airplane-page .pitot-key { color: var(--pitot-color); }
.airplane-page .static-key { color: var(--static-color); }
.airplane-page .pitot-source { border-top: 3px dashed var(--pitot-color); }
.airplane-page .static-source { border-top: 3px solid var(--static-color); }
.airplane-page .source-blocked { background: #433829; }
.airplane-page .pressure-connections { display: block; width: 100%; height: 60px; overflow: visible; }
.airplane-page .pressure-connections path { fill: none; stroke-width: 3; vector-effect: non-scaling-stroke; }
.airplane-page .pitot-route { stroke: var(--pitot-color); stroke-dasharray: 6 5; }
.airplane-page .static-route { stroke: var(--static-color); }
.airplane-page .static-junctions { fill: var(--static-color); }
.airplane-page .pressure-connections .blocked-mark { stroke: #ffca9c; stroke-width: 5; paint-order: stroke; }
.airplane-page .pressure-diagram .gauge-row { gap: 12px; margin: 0; }
.airplane-page .pressure-gauge { padding: 13px 8px 12px; border-radius: 8px; }
.airplane-page .pressure-gauge .instrument-name { color: #e4f0fa; font-size: 12px; font-weight: 700; letter-spacing: 0; }
.airplane-page .instrument-dial { display: block; width: 100%; max-width: 105px; height: 65px; margin: 5px auto 0; fill: #e7f0f7; }
.airplane-page .dial-arc { fill: none; stroke: #3e6078; stroke-width: 4; }
.airplane-page .dial-ticks { fill: none; stroke: #8eacc3; stroke-width: 2; }
.airplane-page .dial-needle { fill: none; stroke: #f2f7fc; stroke-width: 3; stroke-linecap: round; }
.airplane-page .pressure-gauge strong { font-size: clamp(18px, 2.4vw, 27px); line-height: 1.4; white-space: nowrap; }
.airplane-page .pressure-gauge small { min-height: 29px; margin-top: 2px; color: #c4d9ea; font-size: 11px; }
.airplane-page .pressure-gauge .instrument-source { margin: 10px 0 8px; padding-top: 9px; border-top: 2px solid var(--static-color); color: var(--static-color); font-size: 11px; letter-spacing: 0; }
.airplane-page .pressure-gauge[data-component=airspeed] .instrument-source { border-image: linear-gradient(to right, var(--pitot-color) 50%, var(--static-color) 50%) 1; }
.airplane-page .pressure-gauge .instrument-explanation { min-height: 45px; color: #c4d9ea; font-size: 12px; line-height: 1.45; letter-spacing: 0; }
.airplane-page .pressure-gauge.has-error .instrument-explanation { color: #ffd59a; }
.airplane-page #follow-view[data-selected=static-line] .pressure-gauge,
.airplane-page #follow-view[data-selected=alternate-static] .pressure-gauge { border-color: var(--static-color); }
.airplane-page #follow-view[data-selected=pitot-line] .pressure-gauge[data-component=airspeed] { border-color: var(--pitot-color); }
.airplane-page .pressure-takeaway,
.airplane-page .pressure-result { margin: 18px 0 12px; padding: 13px 15px; border-left: 3px solid var(--static-color); border-radius: 0 6px 6px 0; background: #1b384c; color: #e0ebf5; font-size: 13px; line-height: 1.6; }
.airplane-page .pressure-start { width: 100%; min-height: 44px; padding: 12px; border: 1px solid #85b8e5; border-radius: 7px; background: #216bb0; color: white; font: inherit; font-size: 13px; font-weight: 600; }
.airplane-page .pressure-details { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.airplane-page .pressure-details .pressure-source { flex: 1 1 160px; padding: 8px 10px; font-size: 11px; text-align: center; background: transparent; }
.airplane-page .pressure-quick-controls { margin: 18px 0; padding: 14px; border: 1px solid #45677f; border-radius: 9px; background: #132e43; }
.airplane-page .pressure-step { margin: 0 0 8px; color: #d9e7f2; font-size: 12px; font-weight: 700; }
.airplane-page .pressure-actions { display: flex; gap: 8px; }
.airplane-page .pressure-actions button { flex: 1; min-width: 0; min-height: 44px; padding: 9px 8px; border: 1px solid #6b93b2; border-radius: 6px; background: #21455f; color: #f3f8fd; font: inherit; font-size: 12px; line-height: 1.4; }
.airplane-page .pressure-actions button:hover { background: #2c597b; }
.airplane-page .pressure-actions button[aria-pressed=true] { border-color: var(--static-color); background: #655135; color: #fff2dc; }
.airplane-page .pressure-actions button:disabled { opacity: .4; }
.airplane-page .pressure-flight { margin-top: 16px; padding-top: 14px; border-top: 1px solid #36536b; }
.airplane-page .pressure-actual { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin: 0 0 10px; color: #c4d7e7; font-size: 13px; }
.airplane-page .pressure-actual b { color: white; font-size: 21px; font-variant-numeric: tabular-nums; }
.airplane-page .pressure-reference { margin: 10px 0 0; color: #afc7db; font-size: 11px; line-height: 1.5; }
.airplane-page .electrical-diagram { max-width: 680px; margin: auto; }
.airplane-page .electrical-diagram h3 { margin: 0 0 9px; color: #f3f8fc; font-size: 22px; line-height: 1.3; }
.airplane-page .electrical-scenarios { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; margin-bottom: 20px; }
.airplane-page .electrical-scenarios button { min-width: 0; min-height: 48px; padding: 9px 6px; border: 1px solid #678aa5; border-radius: 6px; background: #17374f; color: #dceaf5; font: inherit; font-size: 12px; line-height: 1.4; }
.airplane-page .electrical-scenarios button[aria-pressed=true] { border-color: #a8d5ff; background: #216bb0; color: white; }
.airplane-page .electrical-sources { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.airplane-page .electrical-diagram .diagram-node { width: 100%; min-width: 0; }
.airplane-page .electrical-sources .diagram-node { min-height: 77px; }
.airplane-page .electrical-diagram .diagram-node.active { border-color: #7cdce8; background: #164d60; }
.airplane-page .electrical-diagram .diagram-node.selected { outline: 2px solid #a8d5ff; outline-offset: 2px; }
.airplane-page .electrical-wire { width: 3px; height: 20px; margin: auto; background: #426079; }
.airplane-page .electrical-wire.energized { background: #7cdce8; }
.airplane-page .electrical-bus { border-top: 3px solid #426079; padding-top: 8px; }
.airplane-page .electrical-bus.bus-powered { border-top-color: #7cdce8; }
.airplane-page .electrical-branches { padding: 12px; border: 1px dashed #5a7a92; border-radius: 8px; }
.airplane-page .electrical-branches > .diagram-node { border: 0; background: transparent; padding: 0 0 7px; }
.airplane-page .electrical-loads { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px; border-top: 2px solid #53758e; }
.airplane-page .electrical-loads .diagram-node { min-height: 65px; }
.airplane-page .electrical-load-switch { width: 100%; min-height: 44px; margin-top: 7px; padding: 7px 2px; border: 1px solid #6387a2; border-radius: 6px; background: transparent; color: #bbd2e5; font: inherit; font-size: 11px; }
.airplane-page .electrical-load-switch[aria-pressed=true] { background: #254a65; color: white; border-color: #a8d5ff; }
.airplane-page .electrical-readout { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; margin-top: 16px; padding: 12px; background: #142e42; border-radius: 6px; color: #b5cde0; font-size: 12px; }
.airplane-page .electrical-readout b { display: block; margin-top: 4px; color: white; font-size: 18px; }
.airplane-page .electrical-result { margin: 14px 0; padding: 12px; border-left: 3px solid #f0c67f; background: #263d4d; color: #e1edf7; font-size: 13px; line-height: 1.6; }
.airplane-page .electrical-independent { margin: 20px 0 12px; padding: 13px; border: 1px solid #8caf7a; border-radius: 8px; }
.airplane-page .electrical-independent .diagram-node.active { background: #304d3f; border-color: #a4c696; }
.airplane-page .electrical-independent p,
.airplane-page .electrical-starter p { margin: 9px 0 0; color: #c7d9e8; font-size: 12px; line-height: 1.5; }
.airplane-page .electrical-starter { padding: 12px; border: 1px solid #44637b; border-radius: 8px; margin-bottom: 15px; }
@media (max-width: 650px) {
  .airplane-page .pressure-diagram h3 { font-size: 20px; }
  .airplane-page .pressure-sources { gap: 10px; }
  .airplane-page .pressure-source { padding: 10px 8px; font-size: 12px; }
  .airplane-page .pressure-source small { font-size: 11px; }
  .airplane-page .pressure-connections { height: 48px; }
  .airplane-page .pressure-diagram .gauge-row { gap: 6px; }
  .airplane-page .pressure-diagram .pressure-gauge { padding: 10px 5px; }
  .airplane-page .pressure-gauge .instrument-name { min-height: 32px; font-size: 11px; }
  .airplane-page .pressure-gauge .instrument-explanation { font-size: 11px; min-height: 49px; }
  .airplane-page .pressure-gauge .instrument-source { font-size: 10px; }
  .airplane-page .pressure-diagram .pressure-gauge strong { font-size: clamp(14px, 4vw, 17px); }
  .airplane-page .instrument-dial { height: 50px; }
  .airplane-page .pressure-quick-controls { padding: 11px; }
  .airplane-page .electrical-sources { gap: 12px; }
  .airplane-page .electrical-branches { padding: 10px 7px; }
  .airplane-page .electrical-loads { gap: 6px; }
  .airplane-page .electrical-loads .diagram-node { font-size: 11px; padding-left: 3px; padding-right: 3px; }
  .airplane-page .electrical-diagram h3 { font-size: 20px; }
}
.airplane-page.pause-motion .pipe::after,
.airplane-page.pause-motion .prop-disc { animation-play-state: paused !important; }

.airplane-page .explorer-footer { max-width: 1216px; margin: 12px auto 0; color: var(--muted); font-size: 12px; }
.airplane-page .explorer-footer p { margin: 0; }
.airplane-page .system-understanding { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 30px; max-width: 1216px; margin: 30px auto; align-items: start; }
.airplane-page .system-understanding > div:first-child { padding: 10px 0; }
.airplane-page .system-understanding h2 { margin: 8px 0 12px; font-size: 26px; }
.airplane-page .system-understanding p { color: var(--muted); font-size: 14px; line-height: 1.7; }
.airplane-page .system-understanding h3 { margin: 0 0 15px; font-size: 18px; line-height: 1.5; letter-spacing: -.02em; }
.airplane-page .mini-check { position: relative; padding: 21px 23px; border: 1px solid var(--line); border-radius: 9px; background: white; }
.airplane-page .mini-check #check-options { display: flex; flex-wrap: wrap; gap: 8px; }
.airplane-page .mini-check button { min-height: 44px; padding: 9px 12px; border: 1px solid #c9d9e8; border-radius: 6px; background: white; color: var(--teal); font-size: 13px; text-align: left; }
.airplane-page .mini-check button:disabled { opacity: 1; }
.airplane-page .mini-check button.is-correct { border-color: #80a24b; background: #e8f3d5; color: #35571e; }
.airplane-page .mini-check button.is-wrong { border-color: #bd8a64; background: #fbeee5; color: #8a4c22; }
.airplane-page .mini-check #check-feedback { margin-bottom: 0; font-size: 13px; }
.airplane-page #check-reset { margin-top: 10px; }
.airplane-page .systems-reference { max-width: 1216px; margin: 0 auto 35px; padding: 20px 0 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; line-height: 1.7; }
.airplane-page .systems-reference summary { min-height: 44px; color: var(--teal); font-weight: 600; cursor: pointer; }
.airplane-page .systems-reference li { margin: 9px 0; }
.airplane-page .systems-reference a { overflow-wrap: anywhere; }
.airplane-page .no-script { padding: 20px; }
.airplane-page .check-confetti { position: absolute; z-index: 5; top: 50%; left: 50%; pointer-events: none; }
.airplane-page .check-confetti i { position: absolute; display: block; width: 6px; height: 10px; border-radius: 1px; animation: check-burst 1s ease-out forwards; }
@keyframes pipe-flow { to { transform: translateY(14px); } }
@keyframes prop-spin { to { transform: rotate(360deg); } }
@keyframes check-burst { from { opacity: 1; transform: translate(0, 0); } to { opacity: 0; transform: translate(var(--x), var(--y)) rotate(var(--r)); } }

@media (max-width: 1280px) {
  .airplane-page .explorer,
  .airplane-page .explorer-footer,
  .airplane-page .system-understanding,
  .airplane-page .systems-reference { margin-left: 32px; margin-right: 32px; }
  .airplane-page .explorer { grid-template-columns: minmax(0, 1fr) 320px; }
  .airplane-page .inspector { padding: 22px 20px; }
  .airplane-page .tank-pair { gap: 20px; }
  .airplane-page .diagram-node { min-width: 115px; }
}
@media (max-width: 900px) {
  .airplane-page .airplane-heading { padding: 27px 24px; gap: 20px; }
  .airplane-page .airplane-heading .aircraft-tag { max-width: 190px; padding-left: 19px; font-size: 12px; }
  .airplane-page .system-sidebar { padding: 20px 24px 14px; }
  .airplane-page .workspace-header { padding: 4px 24px 15px; }
  .airplane-page .explorer { grid-template-columns: minmax(0, 1fr); }
  .airplane-page .explorer,
  .airplane-page .explorer-footer,
  .airplane-page .system-understanding,
  .airplane-page .systems-reference { margin-left: 24px; margin-right: 24px; }
  .airplane-page .model-stage { border-right: 0; }
  .airplane-page .inspector { padding: 23px 24px; border-top: 1px solid var(--line); }
  .airplane-page .inspector-heading h2 { font-size: 22px; }
  .airplane-page .mode-tabs button { padding-left: 13px; padding-right: 13px; }
  .airplane-page #model-view { height: 390px; }
  .airplane-page #follow-view { min-height: 350px; }
  .airplane-page #component-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 3px 12px; }
  .airplane-page .system-understanding { gap: 24px; }
}
@media (max-width: 650px) {
  .airplane-page .airplane-heading { display: block; padding: 23px 20px; }
  .airplane-page .airplane-heading h1 { font-size: 31px; margin: 10px 0 9px; }
  .airplane-page .airplane-heading p { font-size: 14px; line-height: 1.55; }
  .airplane-page .airplane-heading .aircraft-tag { display: block; max-width: none; margin-top: 14px; padding: 0; border: 0; color: #a5c9e6; font-size: 11px; font-weight: 400; }
  .airplane-page .aircraft-tag span { display: inline; color: inherit; font-size: inherit; }
  .airplane-page .aircraft-tag span::before { content: ' · '; }
  .airplane-page .system-sidebar { padding: 16px 12px 13px; }
  .airplane-page .system-sidebar > .overline { display: none; }
  .airplane-page .system-tabs { gap: 3px; padding: 4px; border-radius: 8px; }
  .airplane-page .system-tabs button { flex-direction: column; gap: 4px; min-height: 60px; padding: 7px 2px; font-size: 11px; line-height: 1.25; }
  .airplane-page .system-tabs svg { width: 20px; height: 20px; }
  .airplane-page .workspace-header { gap: 11px; padding: 0 12px 13px; }
  .airplane-page .workspace-title { width: 100%; }
  .airplane-page .inspector-heading { gap: 9px; }
  .airplane-page .inspector-heading > span { width: 28px; height: 28px; font-size: 10px; }
  .airplane-page .inspector-heading h2 { font-size: 21px; }
  .airplane-page #stage-title { display: none; }
  .airplane-page .mode-tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); width: 100%; gap: 3px; padding: 3px; }
  .airplane-page .mode-tabs button { padding: 7px 4px; font-size: 12px; }
  .airplane-page #mode-caption { font-size: 12px; line-height: 1.45; }
  .airplane-page .explorer,
  .airplane-page .explorer-footer,
  .airplane-page .system-understanding,
  .airplane-page .systems-reference { margin-left: 12px; margin-right: 12px; }
  .airplane-page .explorer { border-radius: 8px; }
  .airplane-page #model-view { height: 320px; }
  .airplane-page .model-label { min-width: 44px; padding: 7px; font-size: 11px; text-align: center; }
  .airplane-page .model-label:not(.selected) .label-name { display: none; }
  .airplane-page .model-label:not(.selected) .label-index { margin: 0; }
  .airplane-page .model-label.selected { font-size: 12px; }
  .airplane-page .stage-condition { padding: 11px 13px; font-size: 12px; }
  .airplane-page .stage-bottom { gap: 7px; padding: 9px 12px; }
  .airplane-page .stage-bottom > p { width: 100%; font-size: 11px; }
  .airplane-page .camera-buttons { gap: 4px; }
  .airplane-page .camera-buttons button { padding: 7px 9px; font-size: 12px; }
  .airplane-page .visual-settings { gap: 13px; padding: 0 12px 8px; }
  .airplane-page .view-options summary { font-size: 12px; }
  .airplane-page .animation-control { min-width: 123px; }
  .airplane-page .animation-control .switch-row { font-size: 12px; gap: 8px; }
  .airplane-page .model-sliders { grid-template-columns: minmax(0, 1fr); gap: 7px; }
  .airplane-page .inspector { padding: 19px 16px; }
  .airplane-page .mode-purpose h3 { font-size: 19px; }
  .airplane-page .mode-purpose p { font-size: 13px; margin-bottom: 12px; }
  .airplane-page .system-sequence { margin-top: 9px; font-size: 13px; }
  .airplane-page .system-sequence li { margin-bottom: 8px; }
  .airplane-page .component-detail { margin-top: 20px; padding: 14px; }
  .airplane-page #component-list { grid-template-columns: minmax(0, 1fr); }
  .airplane-page #follow-view { min-height: 0; padding: 16px 13px; }
  .airplane-page .diagram-intro { font-size: 12px; line-height: 1.45; margin-bottom: 12px; }
  .airplane-page .diagram-node { min-width: 105px; padding: 5px 8px; font-size: 12px; }
  .airplane-page .diagram-node small { font-size: 10px; margin-top: 2px; }
  .airplane-page .tank-pair { gap: 12px; }
  .airplane-page .tank-pair .diagram-node { flex: 1; min-width: 0; }
  .airplane-page .pipe-join { height: 14px; border-radius: 0 0 12px 12px; }
  .airplane-page .pipe-join::after { top: 12px; height: 9px; }
  .airplane-page .pipe { height: 10px; }
  .airplane-page .diagram-pumps { gap: 6px; padding: 4px; }
  .airplane-page .diagram-pumps .diagram-node { min-width: 0; width: 117px; font-size: 11px; }
  .airplane-page .diagram-note { margin-top: 10px; font-size: 10px; line-height: 1.45; }
  .airplane-page .diagram-note .diagram-node { margin-top: 7px; font-size: 11px; }
  .airplane-page .diagram-annotation { gap: 8px; margin-top: 8px; font-size: 10px; }
  .airplane-page .cycle-display { grid-template-columns: minmax(0, 1fr); gap: 17px; margin: 15px auto; }
  .airplane-page .engine-illustration { margin: auto; }
  .airplane-page .cycle-display h3 { font-size: 23px; margin-bottom: 8px; }
  .airplane-page .cycle-display p { margin: 8px 0; font-size: 12px; line-height: 1.5; }
  .airplane-page .cycle-display .overline { font-size: 10px; }
  .airplane-page #follow-view .cycle-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .airplane-page .prop-diagram { height: 195px; margin: 10px auto; }
  .airplane-page .prop-disc { width: 180px; height: 180px; }
  .airplane-page .prop-views { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .airplane-page .prop-section { padding: 16px 0 0; border-top: 1px solid #35536b; border-left: 0; }
  .airplane-page .pitot-connections { gap: 7px; }
  .airplane-page .pitot-connections .diagram-node { padding: 7px 5px; font-size: 11px; }
  .airplane-page .pressure-lines { margin-top: 8px; }
  .airplane-page .gauge-row { gap: 6px; margin: 15px 0; }
  .airplane-page .gauge { padding: 13px 4px; border-radius: 7px; }
  .airplane-page .gauge span { font-size: 10px; letter-spacing: 0; }
  .airplane-page .gauge strong { font-size: 22px; line-height: 1.7; }
  .airplane-page .gauge small { font-size: 10px; }
  .airplane-page .lab-message { margin-top: 13px; padding: 10px 11px; font-size: 12px; line-height: 1.5; }
  .airplane-page .system-understanding { grid-template-columns: minmax(0, 1fr); gap: 15px; margin-top: 21px; margin-bottom: 24px; }
  .airplane-page .system-understanding > div:first-child { padding: 0 5px; }
  .airplane-page .system-understanding h2 { margin-top: 6px; font-size: 24px; }
  .airplane-page .system-understanding p { font-size: 13px; }
  .airplane-page .mini-check { padding: 18px; }
  .airplane-page .mini-check h3 { font-size: 17px; }
  .airplane-page .systems-reference { margin-bottom: 25px; padding-top: 16px; font-size: 12px; }
  .airplane-page .systems-reference ul { padding-left: 20px; }
}
@media (max-width: 360px) {
  .airplane-page .airplane-heading { padding: 21px 16px; }
  .airplane-page .airplane-heading h1 { font-size: 28px; }
  .airplane-page .system-tabs button { font-size: 11px; }
  .airplane-page .inspector-heading h2 { font-size: 19px; }
  .airplane-page .mode-tabs button { font-size: 12px; }
  .airplane-page .inspector { padding: 18px 13px; }
  .airplane-page .diagram-pumps .diagram-node { width: 108px; }
  .airplane-page .cycle-display { gap: 12px; }
  .airplane-page .cycle-display h3 { font-size: 20px; }
  .airplane-page .gauge strong { font-size: 20px; }
  .airplane-page .visual-settings { gap: 8px; }
  .airplane-page .animation-control { min-width: 115px; }
}
@media (prefers-reduced-motion: reduce) {
  .airplane-page button { transition: none; }
  .airplane-page .pipe::after,
  .airplane-page .prop-disc { animation: none !important; }
  .airplane-page .switch-row > span[aria-hidden=true]::before { transition: none; }
  .airplane-page .check-confetti { display: none; }
}