:root{color-scheme:dark;--bg:#080c24;--surface:#111a34;--line:#2f3c5a;--text:#f1f5ff;--muted:#b0bfd9;--lime:#d5ff80;--cyan:#77e3dd;--purple:#9e8bea}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 10% 30%,#152044 0,transparent 48%),var(--bg);color:var(--text);font:16px/1.7 system-ui,-apple-system,"Segoe UI",sans-serif}button,a,summary{touch-action:manipulation}button{font:inherit;cursor:pointer}a{color:inherit;text-underline-offset:5px}button:disabled{opacity:.38;cursor:not-allowed}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--cyan);outline-offset:5px}h1,h2,h3,p{margin:0}button,a,summary{min-height:44px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px max(24px,calc((100vw - 1320px)/2));border-bottom:1px solid #26314d}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;text-decoration:none}.brand>span{color:var(--lime);font-size:30px}.brand b{font-size:12px;letter-spacing:.14em;color:var(--muted);font-weight:500}.edition{font-size:12px;color:var(--muted)}.exit{display:inline-flex;align-items:center;font-size:14px;text-decoration:none;gap:14px}.shell{width:min(1320px,calc(100% - 48px));margin:auto}.mission-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;padding:30px 0 24px}.eyebrow{font-size:11px;letter-spacing:.19em;color:var(--muted);display:flex;align-items:center;gap:8px}.signal{width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px #d5ff8070}h1{font-size:32px;letter-spacing:.02em;line-height:1.45;margin-top:8px}h1 span{font-size:14px;font-weight:400;color:var(--muted);display:inline-block;letter-spacing:0;margin-left:20px}.mission-counter{font-size:12px;color:var(--muted);border:1px solid var(--line);padding:6px 12px;border-radius:30px;white-space:nowrap}.experience{display:grid;grid-template-columns:minmax(0,1fr) 350px;border:1px solid #394464;border-radius:20px;overflow:hidden;background:#0a1028;box-shadow:0 22px 90px #0003}.viewport{position:relative;min-width:0;display:flex;flex-direction:column;justify-content:center;isolation:isolate;background:radial-gradient(ellipse at 30% 70%,#142b47 0,transparent 70%),#0b1029}.world-badge{position:absolute;top:20px;left:22px;font-size:11px;letter-spacing:.16em;display:flex;align-items:center;gap:8px;color:#c4d0e8}.world-badge>span:first-child{color:var(--cyan)}#base-state{letter-spacing:0;background:#18243e;border:1px solid #38516c;border-radius:4px;padding:2px 7px;font-size:11px}#world{display:block;width:100%;height:auto;max-height:640px;overflow:visible}.world-bottom{display:flex;justify-content:center;gap:24px;font-size:11px;color:var(--muted);padding:0 14px 20px;flex-wrap:wrap}.legend-dot{display:inline-block;width:6px;height:6px;background:var(--lime);border-radius:50%;margin-right:5px}.console{border-left:1px solid var(--line);background:linear-gradient(150deg,#17213a,#11182d);padding:26px;min-width:0;display:flex;flex-direction:column}.console-top{display:flex;align-items:center;gap:10px;font-size:12px;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:24px}.console-top small{display:block;font-size:9px;color:var(--muted);letter-spacing:.13em}.pilot-icon{color:var(--lime);display:grid;place-items:center;width:38px;height:38px;border:1px solid #547263;border-radius:12px;font-size:24px;background:#d5ff800a}.online{margin-left:auto;color:var(--cyan);font-size:9px}.step-label{font-size:11px;color:var(--lime);letter-spacing:.1em;margin-bottom:10px}h2{font-size:27px;line-height:1.5;letter-spacing:-.02em}h2:focus{outline:none}.task-copy{font-size:14px;color:var(--muted);margin-top:12px;line-height:1.9}.observation{font-size:12px;color:#cfdbef;padding:12px 0;margin:12px 0 4px;border-top:1px solid var(--line)}.primary{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--lime);color:#14202a;border:1px solid var(--lime);padding:13px 18px;border-radius:10px;font-weight:750;min-height:50px;width:100%;text-decoration:none}.primary:hover:not(:disabled){background:#e2ffab}.controls{display:grid;gap:12px}.movement{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}.command{display:flex;flex-direction:column;align-items:center;gap:3px;justify-content:center;border:1px solid #64718a;background:#202d47;color:var(--text);border-radius:10px;min-height:70px;padding:7px 4px;font-size:14px}.command>span{font-size:24px;line-height:1.1}.command:not(:disabled):hover{background:#32445e;border-color:var(--lime)}.forward{border-color:#6d9475}.feedback{font-size:13px;border-left:2px solid var(--lime);background:#d5ff8009;padding:10px 12px;margin-top:14px;color:#e0edce}.help-row{display:flex;justify-content:space-between;gap:10px;margin-top:8px;flex-wrap:wrap}.quiet{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:7px 0;border:0;background:none;color:var(--muted);font-size:12px;text-decoration:underline;text-underline-offset:5px}.quiet:hover{color:var(--text)}.hint-panel,.demo-panel{padding:12px;border:1px solid #53667b;border-radius:9px;margin-top:12px;font-size:13px}.demo-panel{border-style:dashed;border-color:var(--cyan);background:#77e3dd09}.demo-panel h3{font-size:15px;color:var(--cyan);margin-bottom:8px}.demo-panel .primary{margin-top:10px;font-size:14px}.console-foot{display:flex;justify-content:space-between;gap:10px;font-size:10px;letter-spacing:.06em;color:var(--muted);border-top:1px solid var(--line);padding-top:15px;margin-top:auto}.console-foot:before{content:'';height:16px}.recap{font-size:20px;font-weight:700;margin:14px 0 8px}.muted{color:var(--muted);font-size:12px;margin-bottom:16px}.text-link{display:inline-flex;align-items:center;font-size:13px;margin-top:12px}.below{display:flex;align-items:center;flex-wrap:wrap;gap:8px 26px;padding:20px 0;color:var(--muted);font-size:12px}.below>a{display:inline-flex;align-items:center}.below details{margin-left:auto;max-width:520px}.below summary{display:flex;align-items:center;cursor:pointer}.below summary:before{content:'＋';margin-right:8px}.below details[open]{flex-basis:100%;margin-left:0}.below details p{margin-bottom:15px}footer{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;width:min(1320px,calc(100% - 48px));margin:10px auto 0;padding:20px 0 26px;font-size:11px;color:#9cacca;border-top:1px solid #26314d}.skip{position:absolute;left:15px;top:-100px;z-index:10;background:var(--lime);color:#14202a;padding:10px}.skip:focus{top:10px}.load-error{padding:16px;border:1px solid #a79a6b;border-radius:10px;margin-top:15px;color:#ffedaf}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.distant-planet,.satellite{animation:drift 12s ease-in-out infinite alternate;transform-box:fill-box;transform-origin:center}.satellite{animation-duration:9s}.stars{animation:twinkle 6s ease-in-out infinite alternate}.lit .station-core{fill:url(#core-fill);filter:drop-shadow(0 0 7px #cfff7c)}.is-powered .deck-lights path{stroke:#cfff7c;filter:drop-shadow(0 0 6px #cfff7c)}.is-powered #energy-route,.is-powered #celebration-particles{opacity:1}.is-powered #energy-route{animation:energy-flow 3s linear infinite}.is-hidden *{animation-play-state:paused!important}body:not(.is-ready) #world{opacity:.8}[hidden]{display:none!important}
@keyframes drift{to{translate:0 -7px}}@keyframes twinkle{to{opacity:.55}}@keyframes energy-flow{to{stroke-dashoffset:-32}}
@media(max-width:1000px){.experience{grid-template-columns:minmax(0,1fr) 310px}.console{padding:20px}.shell{width:calc(100% - 32px)}h1 span{display:block;margin:3px 0 0}.mission-heading{padding-top:22px}.brand b{display:none}}
@media(max-width:720px){.topbar{padding:10px 16px;gap:10px}.brand{font-size:13px;gap:7px}.brand>span{font-size:25px}.edition{display:none}.exit{font-size:12px}.shell{width:calc(100% - 28px)}.mission-heading{padding:16px 0 12px;align-items:center;gap:10px}h1{font-size:24px}h1 span{font-size:11px}.eyebrow{font-size:8px;letter-spacing:.1em}.mission-counter{font-size:10px;padding:4px 8px;white-space:normal;max-width:100px;text-align:center}.experience{grid-template-columns:1fr;border-radius:15px}.viewport{min-height:0}.world-badge{top:12px;left:14px;font-size:9px;gap:6px}#base-state{font-size:9px}#world{margin-top:12px;max-height:340px}.world-bottom{padding:0 8px 10px;font-size:9px;gap:12px}.console{padding:16px;border-left:0;border-top:1px solid var(--line)}.console-top{display:none}.step-label{font-size:10px;margin-bottom:4px}h2{font-size:22px}h2 br{display:none}.task-copy{font-size:13px;margin-top:6px;line-height:1.65}.observation{font-size:11px;padding:8px 0;margin:8px 0 2px}.command{min-height:60px}.primary{min-height:48px;padding:10px 15px}.console-foot{margin-top:16px;padding-top:10px}.console-foot:before{display:none}.below{padding-top:12px;gap:4px 15px}.below details{margin-left:0}footer{width:calc(100% - 28px);font-size:10px}.feedback{margin-top:10px}.recap{font-size:18px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}