:root{--bg:#101719;--panel:#162023;--line:#2c383b;--text:#e7ece8;--muted:#8eaaa8;--green:#b7f46a;--cyan:#75d6cc;--amber:#f7b970;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:var(--bg);font-synthesis:none;color-scheme:dark}*{box-sizing:border-box}body{margin:0;overflow:hidden}button,select,input{font:inherit}button,select{cursor:pointer}button{color:inherit;border:1px solid var(--line);background:#1a2528;border-radius:6px;padding:10px 13px;transition:background .18s,color .18s}button:hover{background:#2b3b3f}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--green);outline-offset:3px}button:disabled{opacity:.35;cursor:default}a{color:var(--cyan)}[hidden]{display:none!important}.topbar{height:76px;display:flex;align-items:center;padding:0 27px;border-bottom:1px solid var(--line);gap:35px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text);font-weight:700;font-size:16px;letter-spacing:2px}.brand svg{color:var(--green)}.brand span{display:block;font-size:10px;color:var(--muted);letter-spacing:3px;margin-top:5px}.edition{font-size:9px;letter-spacing:1.8px;color:#688481}.topbar nav{display:flex;gap:12px;margin-left:auto}.quiet{background:transparent;border-color:transparent;font-size:12px}.quiet:hover{background:#213033}.topbar kbd{margin-left:12px}.workspace{height:calc(100dvh - 139px);display:grid;grid-template-columns:260px minmax(0,1fr)}.left-panel{padding:28px 23px 20px;border-right:1px solid var(--line);overflow:auto;display:flex;flex-direction:column}.panel-label,.eyebrow{font-size:9px;letter-spacing:1.8px;color:var(--muted);font-weight:600}.panel-label{display:flex;align-items:center;gap:8px}.dot{height:6px;width:6px;display:inline-block;border-radius:50%;background:var(--green)}h1{font-size:39px;font-weight:400;line-height:1.06;letter-spacing:-1.7px;margin:21px 0 14px}.intro{font-size:11px;line-height:1.8;color:var(--muted);margin:0 0 28px}.field-label{font-size:9px;letter-spacing:1.4px;color:var(--muted);margin:0 0 10px;display:block}select{width:100%;background:#1c292c;border:1px solid #354448;color:var(--text);font-size:12px;padding:12px 30px 12px 12px;border-radius:6px;min-height:42px}.scenario-description{font-size:11px;line-height:1.7;color:#a0b3b0;min-height:56px;margin:13px 0 0}.section-rule{height:1px;background:var(--line);margin:22px 0}.switch-row{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-top:22px}.switch-row b{font-size:11px;font-weight:500}.switch-row small{display:block;font-size:9px;color:#839b99;margin-top:6px}.switch{position:relative;width:31px;height:18px;flex-shrink:0}.switch input{position:absolute;opacity:0}.switch>span:first-of-type{display:block;background:#354245;width:31px;height:18px;border-radius:20px;border:1px solid #526163;transition:.2s}.switch>span:first-of-type:after{content:'';position:absolute;left:4px;top:4px;width:10px;height:10px;background:#9eafad;border-radius:50%;transition:.2s}.switch input:checked+span{background:var(--green);border-color:var(--green)}.switch input:checked+span:after{transform:translateX(13px);background:#223b18}.switch input:focus-visible+span{outline:2px solid white;outline-offset:3px}.switch.amber input:checked+span{background:var(--amber);border-color:var(--amber)}.badge{font-size:7px;letter-spacing:1px;color:var(--amber);border:1px solid #6b5439;border-radius:3px;padding:2px 3px;margin-left:3px}.experimental{padding-top:16px;border-top:1px dashed #364347;margin-top:23px}.wide{width:100%}.tuning-link{display:flex;justify-content:space-between;border:1px solid var(--line);margin-top:24px;padding:12px;color:var(--cyan);text-align:left}.left-footer{margin-top:auto;padding-top:25px;display:flex;gap:10px;font-size:9px;line-height:1.8;color:#9bacaa}.left-footer span{color:#66817e}.tiny-cross{font-size:23px;font-weight:200}.stage{position:relative;min-width:0;overflow:hidden;background:#27363a}.stage canvas#scene{width:100%;height:100%;display:block;outline:none}.stage-top{position:absolute;left:25px;right:24px;top:22px;display:flex;justify-content:space-between;pointer-events:none}.location h2{font-size:19px;font-weight:400;margin:7px 0;color:#eef3ed;text-shadow:0 1px 9px #162526}.location .eyebrow{color:#c0d1cc;font-size:8px}.stage-tools{display:flex;gap:6px;align-items:flex-start;pointer-events:auto}.stage-tools button{background:#142326c9;backdrop-filter:blur(10px);font-size:12px;padding:9px;border-color:#52636155}.stage-tools button span{font-size:10px;margin-left:5px}.stage-tools button.active{color:var(--green);border-color:#b7f46a88}.telemetry-card{position:absolute;top:96px;right:23px;width:203px;padding:16px 16px 13px;background:#102125d9;border:1px solid #7f999733;border-radius:9px;backdrop-filter:blur(15px);pointer-events:none}.telemetry-card .panel-label{font-size:8px;letter-spacing:1.2px;color:#b2c9c4;margin-bottom:17px;justify-content:space-between}.telemetry-dot{width:4px;height:4px;border-radius:50%;background:var(--cyan)}.metric-row{display:flex;justify-content:space-between;align-items:baseline;padding:7px 0;font-size:10px;color:#a9bfba}.metric-row b{font-size:14px;font-weight:400;font-variant-numeric:tabular-nums;color:#f0f4ed}.metric-row small{font-size:8px;color:#8ea8a2;margin-left:5px}.contact-bar{border-top:1px solid #68837c44;margin-top:12px;padding-top:11px;display:flex;justify-content:space-between;font-size:7px;letter-spacing:1px;color:var(--cyan)}.wheel-diagram{margin:14px auto 7px;width:56px;height:75px;position:relative;display:grid;grid-template-columns:8px 8px;justify-content:space-between;align-content:space-between}.wheel-diagram>span{position:absolute;inset:2px 11px;border:1px solid #758c8566;border-radius:9px 9px 6px 6px;background:#9fa89905}.wheel-diagram i{height:18px;background:#4b605c;border-radius:2px;box-shadow:0 0 0 1px #a5bab222}.seal{display:flex;justify-content:space-between;font-size:8px;color:#92aaa3;margin-top:14px}.seal b{color:var(--cyan);font-weight:400}.track{height:2px;background:#3e504b;margin-top:7px}.track div{height:100%;background:var(--cyan);width:0}.live-pill{position:absolute;bottom:140px;left:25px;display:flex;gap:9px;align-items:center;font-size:9px;letter-spacing:1px;color:#d7e3dc;background:#112225aa;border:1px solid #abc3b522;border-radius:20px;padding:9px 13px}.live-pill .divider{height:10px;width:1px;background:#71978d77}.compass{position:absolute;bottom:139px;right:26px;color:#e4eae0;display:flex;align-items:center;gap:8px;font-size:9px}.compass svg{transform:rotate(0deg)}.bottom-hud{position:absolute;bottom:0;left:0;right:0;min-height:119px;padding:18px 26px 22px;background:linear-gradient(0deg,#101d20fa,#142226c2);border-top:1px solid #a0b2a52a;display:flex;gap:29px;align-items:center;backdrop-filter:blur(9px)}.speedometer{display:flex;flex-direction:column;min-width:100px}.speedometer>span{font-size:54px;font-weight:300;letter-spacing:-3px;line-height:1.05;font-variant-numeric:tabular-nums}.speedometer button{padding:0;background:none;border:none;color:#adbfaf;font-size:8px;text-align:left;letter-spacing:2px;margin:7px 0 0 3px}.resource{width:165px;flex:1;max-width:205px}.resource>div:first-child{display:flex;justify-content:space-between;font-size:8px;letter-spacing:1px;color:#acc2b5}.resource b{font-weight:400;color:var(--green);font-variant-numeric:tabular-nums}.resource-track{height:5px;background:#385044;border-radius:2px;margin:12px 0 9px;overflow:hidden}.resource-track i{height:100%;width:100%;background:var(--green);display:block;transition:width .1s}.resource small{font-size:8px;color:#91a99d}.battery .resource-track i{background:#80c6be}.battery b{color:#80c6be}.landing-stat{margin-left:auto;min-width:125px;padding-left:24px;border-left:1px solid #526a5b55;display:flex;flex-direction:column;gap:8px}.landing-stat>span{font-size:8px;letter-spacing:1px;color:#a0b9aa}.landing-stat>b{font-weight:400;font-size:26px}.landing-stat small{font-size:8px;color:#94ad9e}.landing-stat b small{font-size:10px}.transport{height:63px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;gap:16px;border-top:1px solid var(--line)}.playback{display:flex;gap:5px;align-items:center}.playback button{background:transparent;border-color:transparent;font-size:17px;padding:8px 10px;color:#a7c0b6;min-height:37px}.playback button span{font-size:10px;margin-left:5px}.playback button:hover{background:#263732}.playback .play-button{background:var(--green);color:#203817;width:37px;padding:7px 10px;margin-right:7px}.transport-divider{height:21px;width:1px;background:var(--line);margin:0 9px}.keyboard-hint{font-size:9px;color:#829c91;white-space:nowrap}.keyboard-hint kbd{margin:0 5px 0 13px}kbd{display:inline-block;font:9px Arial,sans-serif;letter-spacing:.2px;padding:4px 6px;border:1px solid #476157;border-radius:4px;color:#c1d4c5;background:#1b2b25}.step-status{font-size:11px;color:#aec3b6;white-space:nowrap}.step-status span{font-size:8px;color:#6c8d7e;margin-left:6px}.start-card,.crash-card{position:absolute;top:50%;left:calc(50% - 75px);transform:translate(-50%,-50%);width:310px;background:#122327ee;border:1px solid #abc6b73a;border-radius:12px;padding:26px;backdrop-filter:blur(20px);box-shadow:0 18px 80px #0004}.start-card h3,.crash-card h3{font-size:25px;letter-spacing:-.8px;font-weight:400;margin:14px 0}.start-card p,.crash-card p{color:#b1c4ba;font-size:11px;line-height:1.8;margin-bottom:22px}.primary{background:var(--green);border:1px solid var(--green);color:#20351b;font-size:12px;font-weight:600;padding:13px 16px;width:100%;display:flex;align-items:center;justify-content:space-between}.primary:hover{background:#d3ff9b}.start-keys{display:flex;align-items:center;gap:5px;font-size:8px;color:#8ea99b;margin-top:17px}.start-keys i{width:5px}.start-keys kbd{font-size:8px;padding:3px 4px}.banner{position:absolute;top:86px;left:25px;font-size:10px;color:var(--amber);background:#332c20da;border:1px solid #af8d4a66;border-radius:5px;padding:9px 12px;display:none;max-width:calc(100% - 280px)}.banner.visible{display:block}.mobile-controls{display:none}dialog{background:#162528;color:var(--text);border:1px solid #61797055;border-radius:13px;max-width:590px;width:calc(100% - 30px);max-height:85dvh;padding:27px;box-shadow:0 40px 120px #0009}dialog::backdrop{background:#061214aa;backdrop-filter:blur(8px)}.dialog-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.dialog-head h2{font-size:26px;font-weight:400;letter-spacing:-.5px;margin:10px 0 12px}.dialog-head>button{background:transparent;border:none;font-size:25px;padding:0 5px}.dialog-intro{font-size:12px;color:#a6beb3;line-height:1.8;margin:0 0 22px}.slider-row{margin-bottom:19px}.slider-row label{display:flex;justify-content:space-between;font-size:11px;margin-bottom:9px;color:#bacbc3}.slider-row output{font-variant-numeric:tabular-nums;color:var(--green)}input[type=range]{width:100%;accent-color:var(--green);height:4px}input[type=checkbox]{accent-color:var(--green)}.check-line{font-size:11px;display:flex;align-items:center;gap:9px;margin:25px 0}.small-note{font-size:11px;color:#96b0a4;line-height:1.8;margin:22px 0}.secondary{font-size:11px;border-color:#577265;background:#1b3228}.controls-grid{display:grid;grid-template-columns:145px 1fr;row-gap:13px;align-items:center;margin-top:18px;font-size:12px;color:#b6cabe}.controls-grid b{font-weight:400}.controls-grid kbd{font-size:10px}.notes-content{font-size:12px;line-height:1.9;color:#afc3b7}.notes-content h3{font-weight:500;color:#eef4eb;font-size:14px;margin:22px 0 5px}.notes-content ul{padding-left:20px}.notes-content a{color:var(--green)}#toast{position:fixed;bottom:78px;left:50%;transform:translateX(-50%);padding:12px 20px;background:#d5f1bf;color:#1a301e;border-radius:7px;box-shadow:0 5px 25px #0003;font-size:12px;z-index:100;opacity:0;pointer-events:none;transition:opacity .2s}#toast.visible{opacity:1}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;clip:rect(0,0,0,0);overflow:hidden}.crash-card{z-index:10}.crash-card .eyebrow{color:var(--amber)}
@media(min-width:1650px){.workspace{grid-template-columns:290px 1fr}.left-panel{padding:35px 30px}.stage-top{left:35px;top:30px}.telemetry-card{right:30px;top:110px;width:225px}.bottom-hud{gap:45px;padding:24px 35px}.resource{max-width:240px}.start-card{width:350px;padding:30px}}
@media(max-height:850px){.left-panel{padding-top:20px}.left-panel h1{font-size:32px;margin-top:15px}.intro{margin-bottom:19px}.section-rule{margin:15px 0}.switch-row{margin-top:17px}.left-footer{font-size:8px}.telemetry-card{top:87px}.metric-row{padding:5px 0}.wheel-diagram{height:52px}.bottom-hud{min-height:105px}.live-pill,.compass{bottom:122px}}
@media(max-width:1150px){.edition,.keyboard-hint{display:none}.workspace{grid-template-columns:230px 1fr}.left-panel{padding-left:18px;padding-right:18px}.telemetry-card{width:175px;right:16px}.stage-top{left:19px;right:16px}.bottom-hud{padding:18px;gap:20px}.landing-stat{display:none}.stage-tools span{display:none}.start-card{left:calc(50% - 70px);width:285px}.stage-top .location h2{font-size:17px}}
@media(max-width:800px){body{overflow:auto}.topbar{height:64px;padding:0 15px}.topbar nav{gap:0}.topbar .quiet{font-size:10px;padding:8px}.brand{font-size:12px;letter-spacing:1px}.brand svg{width:26px}.brand span{font-size:8px}.workspace{height:calc(100dvh - 121px);display:block;position:relative}.left-panel{position:absolute;top:0;left:0;right:0;z-index:4;padding:10px 12px;background:#142024f0;border-bottom:1px solid var(--line);height:62px;display:grid;grid-template-columns:1fr 1fr 38px;gap:8px;overflow:visible}.left-panel>.panel-label,.left-panel>h1,.intro,.field-label,.scenario-description,.section-rule,.left-footer,.left-panel>.switch-row{display:none}.left-panel select{font-size:10px;padding:7px;min-height:37px;height:37px}.tuning-link{margin:0;padding:7px;height:37px;font-size:0;text-align:center;display:block}.tuning-link span{font-size:19px}.stage{height:100%;padding-top:62px}.stage-top{top:78px;left:14px}.location .eyebrow{font-size:6px}.location h2{font-size:14px}.stage-tools{gap:4px}.stage-tools button{padding:7px}.telemetry-card{top:133px;right:13px;width:130px;padding:10px}.telemetry-card .panel-label{font-size:6px;letter-spacing:.7px;margin-bottom:8px}.metric-row{font-size:8px;padding:5px 0}.metric-row b{font-size:11px}.metric-row small{font-size:7px;margin-left:3px}.wheel-diagram,.seal,.track,.contact-bar{display:none}.start-card{left:50%;top:56%;width:285px;z-index:5}.start-card h3{font-size:24px}.bottom-hud{height:93px;min-height:93px;gap:16px;padding:12px 14px}.speedometer{min-width:68px}.speedometer>span{font-size:39px}.resource{min-width:65px}.resource>div:first-child{font-size:6px;letter-spacing:.3px}.resource small{font-size:6px}.resource-track{margin:10px 0 7px;height:4px}.live-pill{left:13px;bottom:106px;font-size:7px;padding:7px 10px}.compass{bottom:104px;right:13px}.compass svg{height:32px;width:32px}.transport{height:57px;padding:0 10px}.playback{width:100%;justify-content:space-between;gap:2px}.playback button{padding:7px;font-size:17px}.playback button span{font-size:8px;margin-left:2px}.step-status,.transport-divider{display:none}.mobile-controls{display:flex;position:absolute;left:15px;right:15px;bottom:152px;justify-content:space-between;align-items:flex-end;pointer-events:none}.mobile-controls button{background:#17352bb3;border:1px solid #a9d7b65c;color:#e9f7e7;touch-action:none;user-select:none;pointer-events:auto;min-width:43px;height:43px;padding:8px;font-size:18px}.mobile-controls button.pressed{background:#b7f46aaa;color:#112817}.mobile-drive{text-align:center;display:flex;flex-direction:column;gap:4px;align-items:center}.mobile-drive>div{display:flex;gap:4px}.mobile-flight{display:flex;flex-direction:column;gap:6px}.mobile-flight button{font-size:9px;letter-spacing:1px;width:61px}.banner{top:124px;left:14px;max-width:calc(100% - 167px);font-size:8px;padding:7px}.crash-card{left:50%;width:280px;z-index:10}dialog{padding:22px}.dialog-head h2{font-size:23px}.controls-grid{font-size:11px;grid-template-columns:125px 1fr}.battery{max-width:110px}}
@media(max-width:390px){.topbar nav button{font-size:8px}.topbar nav kbd{display:none}.playback button span{display:none}.left-panel{grid-template-columns:1fr 1fr 34px}.telemetry-card{width:118px}.resource small{font-size:5.5px}}
.mobile-options{display:none}@media(max-width:800px){.mobile-options{display:block;border-bottom:1px solid var(--line);margin-bottom:24px}.mobile-options .check-line{margin:15px 0}}

.demo-link{margin-top:22px;text-align:left;display:flex;justify-content:space-between;border-color:#526c4b;color:#c4e6a5}.demo-link+.tuning-link{margin-top:9px}@media(max-width:800px){.left-panel>.demo-link{display:none}}

.space-mission-link{display:flex;align-items:center;gap:9px;color:var(--green);font-size:11px;text-decoration:none;padding:9px 12px;border:1px solid #b7f46a55;border-radius:6px;background:#b7f46a09}.space-mission-link:hover{background:#b7f46a18}@media(max-width:800px){.topbar{gap:10px}.space-mission-link{font-size:8px;padding:8px}.space-mission-link span{display:none}.topbar nav{gap:3px}.topbar .quiet{font-size:8px;padding:6px}}

@media(max-width:1450px){.ground-top .edition{display:none}}@media(max-width:600px){.ground-top{padding:0 12px;gap:10px}.ground-top .brand div{display:none}.ground-top .space-mission-link{font-size:8px;padding:8px 6px;white-space:nowrap}.ground-top .topbar nav{gap:3px}.ground-top .model-long,.ground-top kbd{display:none}.ground-top .quiet{font-size:8px;padding:6px}.ground-top .brand svg{width:25px}}