/* V09 — aerospace overview, academic workbench. */
:root{--mission-bg:#0b0f16;--mission-panel:#121b27;--mission-line:#2c394a;--mission-text:#f4f7fb;--mission-muted:#b5c4d5;--mission-blue:#73baff}
body{font-variant-numeric:tabular-nums;caret-color:#2169ac;scrollbar-color:#9baabb #f1f4f7}
::selection{background:#b9d9f4;color:#122638}
a,button,input,select,textarea{outline-offset:4px}
:focus-visible{outline:2px solid #247bc1!important}
.lab-btn{border-radius:5px;box-shadow:none;transition:background-color .18s,border-color .18s,scale .18s,translate .18s}
.lab-btn:hover{scale:1.025;translate:0 -1px}
.lab-btn:active{scale:.98;translate:0 0}
.lab-stage,.plot-panel{box-shadow:none}
body[data-start="engine"] .lab-stage,body[data-start="engine"] .plot-panel{border-color:#d4dde6;border-radius:7px}
body[data-start="engine"] .fadec-panel{background:#f8fafc}
body[data-start="engine"] .lab-title-copy h1{font-weight:600}
body[data-start="engine"] .pi-field{padding-block:3px}
body[data-start="overview"]{background:var(--mission-bg);color:var(--mission-text);color-scheme:dark;--lab-ink:#f4f7fb;--lab-line:#2c394a;--lab-control:#73baff}
body[data-start="overview"] .lab-topbar{background:#080c12;border-bottom:1px solid var(--mission-line);color:var(--mission-text)}
body[data-start="overview"] .lab-brand{background:#fff;padding:3px 8px;border-radius:3px}
body[data-start="overview"] .lab-global-nav a,body[data-start="overview"] .lab-return{color:var(--mission-muted)}
body[data-start="overview"] .lab-global-nav a[aria-current="page"]{color:#fff;border-color:#73baff}
body[data-start="overview"] .lab-layout{grid-template-columns:minmax(0,1fr)}
body[data-start="overview"] .lab-main{display:grid;grid-template-columns:266px minmax(0,1fr);grid-template-rows:minmax(0,1fr) 180px 20px;gap:18px;padding:24px 28px 12px}
body[data-start="overview"] .lab-heading{grid-column:1;grid-row:1;align-self:center}
body[data-start="overview"] .lab-title-row{display:block}
body[data-start="overview"] .lab-title-copy{display:block}
body[data-start="overview"] #view-title{font-size:40px;font-weight:700;line-height:1.32;white-space:pre-line;letter-spacing:-.025em;color:#fff}
body[data-start="overview"] #view-description{display:block!important;white-space:pre-line;font-size:15px;line-height:1.9;color:var(--mission-muted);margin:24px 0 30px}
body[data-start="overview"] .lab-actions{display:flex;align-items:stretch;flex-direction:column;gap:12px;max-width:220px}
body[data-start="overview"] .lab-actions .less-urgent,body[data-start="overview"] .related-knowledge{display:none!important}
body[data-start="overview"] .lab-btn{background:transparent;color:var(--mission-text);border:1px solid #526276}
body[data-start="overview"] .lab-actions .lab-btn{min-height:44px;display:flex;align-items:center;justify-content:center;font-size:14px}
body[data-start="overview"] #start-experiment{background:#f4f7fb;color:#101923;border-color:#f4f7fb;font-weight:600}
body[data-start="overview"] .lab-btn:hover{background:#233247}
body[data-start="overview"] #start-experiment:hover{background:#cce5fb}
body[data-start="overview"] .lab-stage{grid-column:2;grid-row:1;grid-template-columns:minmax(0,1fr) 215px!important;background:#dfe7ed;border:0;border-radius:8px}
body[data-start="overview"] .scene-panel{background:#dfe7ed;min-width:0}
body[data-start="overview"] .scene-topline{background:#eaf0f4;border-bottom:1px solid #c3d0dd}
body[data-start="overview"] .scene-topline .lab-btn{color:#203d55;border:0}
body[data-start="overview"] .scene-canvas{background:#dfe7ed}
body[data-start="overview"] .scene-master-view{mix-blend-mode:multiply}
body[data-start="overview"] .scene-bottomline{background:#eaf0f4;color:#243e55;border-top:1px solid #c3d0dd}
body[data-start="overview"] .overview-control-map{background:var(--mission-panel);border-left:0;color:var(--mission-text);padding:20px 16px}
body[data-start="overview"] .overview-control-map h2,body[data-start="overview"] .overview-control-map h3,body[data-start="overview"] .overview-control-map strong,body[data-start="overview"] .overview-control-map .katex{color:var(--mission-text)}
body[data-start="overview"] .overview-control-map p,body[data-start="overview"] .overview-control-map small{color:var(--mission-muted)}
body[data-start="overview"] .overview-control-map a{color:var(--mission-blue);border-color:#3d526a;background:transparent}
body[data-start="overview"] .lab-plots{grid-column:1/-1;grid-row:2;gap:18px}
body[data-start="overview"] .plot-panel{background:#101823;border:1px solid #293747;border-radius:6px;grid-template-rows:32px minmax(0,1fr) 30px}
body[data-start="overview"] .plot-heading{background:transparent;border-color:#293747}
body[data-start="overview"] .plot-heading h2{color:#f4f7fb;font-size:14px;font-weight:500}
body[data-start="overview"] .plot-heading button,body[data-start="overview"] .plot-legend,body[data-start="overview"] .plot-summary,body[data-start="overview"] .plot-summary strong{color:var(--mission-muted)}
body[data-start="overview"] .plot-summary{background:transparent;border-color:#293747}
body[data-start="overview"] .plot-canvas text{fill:#b5c4d5}
body[data-start="overview"] .plot-canvas [stroke="#e6eaed"]{stroke:#293747}
body[data-start="overview"] .plot-canvas [stroke="#1c68b4"]{stroke:#73baff}
body[data-start="overview"] .lab-statusline{grid-column:1/-1;grid-row:3;color:var(--mission-muted)}
body[data-start="overview"] .lab-statusline button{color:var(--mission-blue)}
body[data-start="overview"]>.lab-layout>.lab-assistant{display:none;position:fixed;right:0;top:52px;bottom:0;width:320px;z-index:35;color-scheme:light;background:#fff;color:#1c2c3b;border-left:1px solid #526276;box-shadow:-12px 0 32px #0004}
body[data-start="overview"].assistant-open>.lab-layout>.lab-assistant{display:flex}
body[data-start="overview"] .lab-mobile-assistant{display:inline-flex}
body[data-start="overview"] .lab-dialog{color-scheme:light;background:#fff;color:#162638}
body[data-start="overview"] :focus-visible{outline-color:#73baff!important}
@media(max-width:1100px){body[data-start="overview"] .lab-main{grid-template-columns:215px minmax(0,1fr);gap:14px;padding:18px 18px 10px}body[data-start="overview"] #view-title{font-size:32px}body[data-start="overview"] .lab-stage{grid-template-columns:minmax(0,1fr) 190px!important}body[data-start="overview"] .overview-control-map{padding:14px 12px}}
@media(max-width:760px){body[data-start="overview"] .lab-main{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr) 175px 20px;padding:12px;gap:12px}body[data-start="overview"] .lab-heading{grid-column:1;grid-row:1}body[data-start="overview"] .lab-title-row{display:flex;align-items:center;gap:16px}body[data-start="overview"] #view-title{font-size:26px;line-height:1.25}body[data-start="overview"] #view-description{font-size:12px;line-height:1.5;margin:8px 0 0}body[data-start="overview"] .lab-actions{max-width:145px;gap:6px;flex-shrink:0}body[data-start="overview"] .lab-actions .lab-btn{font-size:12px;min-height:36px;padding:5px 10px}body[data-start="overview"] .lab-stage{grid-column:1;grid-row:2;grid-template-columns:1fr!important;grid-template-rows:1fr}body[data-start="overview"] .overview-control-map{display:none}body[data-start="overview"] .lab-plots{grid-row:3;gap:8px}body[data-start="overview"] .lab-statusline{grid-row:4}body[data-start="overview"] .plot-panel{grid-template-rows:29px minmax(0,1fr) 45px}body[data-start="overview"] .plot-heading h2{font-size:12px}body[data-start="overview"] .scene-panel{height:auto!important}body[data-start="overview"] .plot-summary{font-size:11px}body[data-start="overview"] .lab-return{display:none}}
@media(prefers-reduced-motion:reduce){.lab-btn{transition:none;scale:1!important;translate:0 0!important}}

body[data-start="overview"] .map-link,body[data-start="overview"] .map-channel-head,body[data-start="overview"] .map-coupling{color:#b5c4d5}
body[data-start="overview"] .map-channel,body[data-start="overview"] .map-coupling{border-color:#34465b}
body[data-start="overview"] .map-design-button{color:#d5eaff;background:#203249;border-color:#465e79}
body[data-start="overview"] .map-design-button:hover{background:#2b4560}
body[data-start="overview"] .plot-panel{border-color:#293747!important}
body[data-start="overview"] .part-switch button[aria-pressed="true"]{border-color:#2468a0}