:root{color-scheme:dark;--bg:#0b1119;--panel:#121b24;--panel2:#18232d;--line:#28343e;--text:#e7eeec;--muted:#a1b1b8;--mint:#b9ef86;--teal:#78e6c2;--orange:#edbc79;--radius:14px;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:15px;line-height:1.65}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}a{color:inherit;text-decoration:none}button{color:inherit}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--teal);outline-offset:5px}button:focus:not(:focus-visible){outline:none}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.15;letter-spacing:-.035em}h1{font-size:clamp(38px,4.5vw,66px);font-weight:750}h2{font-size:29px}h3{font-size:19px}p{color:var(--muted)}button{border:0}small{font-size:12px}code{font-family:"SFMono-Regular",Consolas,monospace;color:#a9e0ce;font-size:.9em}pre{margin:12px 0 0;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;color:#b7e3d5;font:12px/1.8 "SFMono-Regular",Consolas,monospace}strong{font-weight:650}.skip-link{position:absolute;top:-70px;left:20px;padding:10px 20px;background:var(--mint);color:var(--bg);z-index:20}.skip-link:focus{top:12px}.topbar{height:91px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(28px,calc((100vw - 1380px)/2));gap:30px}.brand{display:flex;gap:13px;align-items:center;font-size:15px;letter-spacing:1.5px;font-weight:800;white-space:nowrap}.brand small{display:block;font-size:8px;color:var(--muted);letter-spacing:1.7px;margin-top:2px;font-weight:500}.brand-icon{width:43px;height:43px;display:grid;place-content:center;background:var(--mint);color:#132320;border-radius:11px;font-size:21px;letter-spacing:-2px;display:block;text-align:center;line-height:43px}.brand-icon span{font-size:15px;vertical-align:4px}.topbar nav{display:flex;gap:32px;align-self:stretch}.topbar nav a{position:relative;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}.topbar nav a.active{color:var(--text)}.topbar nav a.active:after{content:"";height:2px;position:absolute;bottom:0;left:0;right:0;background:var(--mint)}.nav-count{font:10px monospace;padding:1px 5px;background:#26382b;border-radius:4px;color:var(--mint)}.header-tools{display:flex;align-items:center;gap:18px}.xp{font:12px monospace;color:var(--mint);white-space:nowrap}.icon-button{display:grid;place-items:center;width:35px;height:35px;background:transparent;border:1px solid var(--line);border-radius:8px;color:var(--muted);font-size:18px}.icon-button:hover{color:var(--mint);background:var(--panel2)}main{max-width:1380px;margin:auto;padding:34px 28px 65px;min-height:calc(100vh - 170px)}main:focus{outline:none}.eyebrow{font:10px/1.5 "SFMono-Regular",Consolas,monospace;letter-spacing:2px;font-weight:500;color:var(--mint);display:flex;align-items:center;gap:10px;text-transform:uppercase}.eyebrow .line{width:25px;height:1px;background:var(--mint)}.status-dot{width:6px;height:6px;border-radius:50%;background:var(--mint);box-shadow:0 0 10px #b9ef8640;display:inline-block}.hero{display:grid;grid-template-columns:47% 53%;align-items:center;min-height:475px;position:relative}.hero-copy{padding:24px 36px 34px 0;position:relative;z-index:1}.hero h1{margin:23px 0;max-width:590px;font-size:clamp(40px,3.9vw,60px)}.hero h1 span{color:var(--mint)}.hero-copy>p{max-width:430px;font-size:15px;line-height:1.9}.hero-copy>p strong{color:var(--text)}.hero-actions{display:flex;gap:12px;align-items:center;margin:27px 0 16px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:14px;background:var(--mint);color:#15221b;padding:13px 22px;border-radius:7px;font-weight:650;font-size:13px;border:1px solid transparent;min-height:46px;transition:background .2s,transform .2s}.button:hover{background:#cef5ab;transform:translateY(-1px)}.button.secondary{background:transparent;color:var(--text);border-color:var(--line)}.button.secondary:hover{background:#20302c;border-color:#4b6557}.button.small{padding:9px 14px;min-height:38px;font-size:12px}.button.danger{background:#e6a18f;color:#291815}.text-button{background:none;color:var(--muted);padding:8px 0;font-size:12px;display:inline-flex;align-items:center;gap:8px}.text-button:hover{color:var(--mint)}.hero-facts{display:flex;gap:18px;color:var(--muted);font-size:10px;align-items:center;flex-wrap:wrap}.hero-facts span{display:flex;align-items:center;gap:5px}.hero-facts b{font-size:13px;color:#96b4a9;font-weight:400}.hero-visual{position:relative;padding-bottom:28px}.world{position:relative;isolation:isolate;overflow:hidden;border-radius:var(--radius);background:#142630;border:1px solid #32433f;width:100%;aspect-ratio:840/500}.landscape{display:block;width:100%;height:100%}.hero-visual .world{border-radius:18px 18px 60px 18px}.hero-visual:after{content:"";position:absolute;inset:40px 10% 0;z-index:-1;background:#64ad7630;filter:blur(70px)}.scene-robot{position:absolute;width:10%;bottom:14%}.scene-echo{left:21%;bottom:14%;transform:scale(.8)}.scene-nova{left:36%;bottom:8%}.scene-vega{left:49%;bottom:17%;transform:scale(.85)}.scene-sol{left:63%;bottom:9%;transform:scale(.95)}.robot{display:block;width:100%;overflow:visible}.robot-body{animation:bob 4s ease-in-out infinite;transform-origin:center}.scene-echo .robot-body{animation-delay:-1s}.scene-vega .robot-body{animation-delay:-2s}.scene-sol .robot-body{animation-delay:-3s}.robot-eyes{animation:blink 5.5s infinite;transform-origin:50px 36px}.signal{animation:signal 3s infinite}.beacon-light{animation:signal 2s infinite}.power-line{animation:flow 4s linear infinite}.arrival{animation:ship 8s ease-in-out infinite}.scene-label{position:absolute;font:8px monospace;letter-spacing:1.3px;background:#101c25dc;border:1px solid #435851;border-radius:3px;padding:5px 8px;color:#c4d6c5;display:flex;align-items:center;gap:6px}.station-label{top:34%;left:24%}.station-label i{height:4px;width:4px;background:var(--mint);border-radius:50%}.beacon-label{top:37%;right:10%;color:#edbc79}.beacon-label.online{color:var(--mint)}.scene-coordinate{position:absolute;bottom:5%;left:5%;right:5%;display:flex;justify-content:space-between;font:7px monospace;color:#91a9a1;letter-spacing:1px}.world-game .scene-coordinate{font-size:9px}.floating-transmission{position:absolute;bottom:6px;left:7%;right:11%;border:1px solid #41574d;background:#19282a;box-shadow:0 12px 25px #0004;display:flex;align-items:center;gap:13px;padding:13px 18px;border-radius:9px;transform:rotate(-2deg)}.transmission-icon{width:33px;height:33px;border-radius:50%;display:grid;place-items:center;background:#354b37;color:var(--mint);font-size:20px}.floating-transmission small{font:8px monospace;color:var(--mint);letter-spacing:1.4px;display:block;margin-bottom:4px}.floating-transmission p{font-size:11px;color:#c7d7cf}.floating-transmission>span:last-child{margin-left:auto;font-size:10px;color:var(--muted)}.overview-strip{border:1px solid var(--line);border-radius:10px;display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;margin:23px 0 43px;background:#111a22}.overview-strip>div{padding:21px 23px;position:relative}.overview-strip>div+div:before{content:"";position:absolute;left:0;top:23px;bottom:23px;width:1px;background:var(--line)}.overview-strip strong{display:block;font-size:12px;font-weight:600}.overview-strip small{color:var(--muted);font-size:11px}.overview-strip .strip-icon{float:left;margin-right:13px;font-size:24px;color:#b6c9bb;line-height:1.8}.overview-strip .strip-main{display:flex;align-items:center;gap:13px}.orbit-icon{width:35px;height:35px;display:grid;place-items:center;border:1px solid var(--mint);border-radius:50%;color:var(--mint);font-size:23px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:20px}.section-heading .eyebrow{margin-bottom:9px;color:#839b96;font-size:9px}.section-heading h2{font-size:25px}.section-heading>p{font-size:12px;max-width:290px}.mission-preview{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.mission-card{position:relative;border:1px solid var(--line);background:var(--panel);padding:24px;border-radius:10px;display:flex;flex-direction:column;transition:border .2s,transform .2s;min-width:0}.mission-card:hover{border-color:#576a5d;transform:translateY(-3px)}.mission-card.current{border-color:#658a54;background:linear-gradient(130deg,#1c2c24,#121c23)}.mission-card.locked{background:#101820}.mission-card .mission-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.mission-number{font:12px monospace;color:#8caaa0}.mission-state{font:9px monospace;letter-spacing:1px;color:var(--muted);text-transform:uppercase}.current .mission-state,.complete .mission-state{color:var(--mint)}.mission-symbol{font-size:26px;line-height:1;color:var(--mint)}.mission-card h3{font-size:17px;margin:11px 0}.mission-card p{font-size:12px}.mission-card .card-foot{display:flex;justify-content:space-between;gap:10px;border-top:1px solid var(--line);padding-top:15px;margin-top:22px;font:10px monospace;color:var(--muted)}.card-foot .arrow{color:var(--mint);font-size:15px}.bottom-note{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-top:27px;font-size:11px;color:var(--muted)}.bottom-note .text-button{font-size:11px}footer{border-top:1px solid var(--line);padding:23px max(28px,calc((100vw - 1324px)/2));display:flex;justify-content:space-between;gap:20px;font-size:10px;color:#879c9f}footer a{color:#b9c9c7;font-size:10px;letter-spacing:1px;font-weight:700}footer a span{color:var(--mint)}.save-status{font-size:9px}.page-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin:13px 0 30px}.page-head h1{font-size:40px;margin:14px 0}.page-head p{max-width:700px;font-size:14px}.page-head .page-stat{white-space:nowrap;font:12px monospace;color:var(--mint)}.map-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.progress-track{height:4px;background:var(--line);border-radius:5px;overflow:hidden;margin-top:17px}.progress-track span{display:block;height:100%;background:var(--mint);transition:width .5s}.mission-card .button{margin-top:18px;align-self:start}.crew-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.crew-card{border:1px solid var(--line);background:var(--panel);border-radius:12px;overflow:hidden}.crew-portrait{height:210px;background:radial-gradient(ellipse at 50% 100%,color-mix(in srgb,var(--accent) 15%,transparent),transparent 70%);display:flex;justify-content:center;align-items:center;border-bottom:1px solid var(--line);position:relative}.crew-portrait .robot{width:120px}.crew-portrait>span{position:absolute;top:16px;left:20px;font:9px monospace;letter-spacing:2px;color:var(--accent)}.crew-details{padding:22px}.crew-details h2{font-size:24px;color:var(--accent)}.crew-role{font:10px monospace;color:var(--muted);margin:6px 0 20px;letter-spacing:1px}.crew-details p{font-size:12px;line-height:1.8}.crew-details blockquote{margin:18px 0 0;color:#c9d5d2;font-size:12px;border-top:1px solid var(--line);padding-top:15px}.info-banner{margin:26px 0;padding:20px 24px;border:1px solid #334941;border-radius:10px;background:#14231f;font-size:13px;display:flex;gap:16px;align-items:start}.info-banner .info-icon{color:var(--mint);font-size:20px}.info-banner p{color:#b4c5bd}.manual-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.manual-entry{border:1px solid var(--line);border-radius:8px;background:var(--panel);padding:19px 23px}.manual-entry h2{font-size:17px;letter-spacing:-.01em;margin-bottom:9px;color:var(--teal)}.manual-entry p{font-size:13px}.sources{margin-top:30px;padding:24px;border:1px solid var(--line);border-radius:10px}.sources h2{font-size:20px;margin-bottom:10px}.sources p{font-size:12px}.sources a{color:var(--mint);text-decoration:underline;text-underline-offset:4px}.source-links{display:flex;gap:22px;margin:16px 0;flex-wrap:wrap;font-size:12px}.game-top{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:0 0 20px}.game-top .eyebrow{font-size:9px;color:var(--muted)}.game-steps{display:flex;gap:6px;align-items:center}.game-steps span{height:3px;width:28px;background:var(--line)}.game-steps span.active{background:var(--mint)}.game-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(315px,1fr);gap:23px;align-items:start}.game-scene{position:relative}.scene-hud{position:absolute;top:16px;left:18px;right:18px;display:flex;justify-content:space-between;font:9px monospace;letter-spacing:1.3px;color:#c9d8ca}.scene-hud>span{padding:5px 8px;background:#10202bd9;border:1px solid #38534a;border-radius:4px}.world-game{aspect-ratio:840/510}.world-game:not(.chapter-scene) .landscape>text{display:none}.dialogue{display:grid;grid-template-columns:63px 1fr;gap:17px;border:1px solid var(--line);border-radius:12px;padding:23px;background:var(--panel);margin-top:17px;position:relative}.dialogue:before{content:"";position:absolute;left:29px;top:-5px;width:8px;height:8px;background:var(--panel);border-top:1px solid var(--line);border-left:1px solid var(--line);transform:rotate(45deg)}.speaker-name{font:11px monospace;color:var(--accent);letter-spacing:1px;display:flex;gap:10px;align-items:center;margin-bottom:9px}.speaker-name small{color:var(--muted);font:9px monospace}.dialogue p{color:#c8d4d4;font-size:13px;line-height:1.85}.dialogue .robot{width:60px;margin-top:7px}.objective-panel{border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:26px;min-width:0}.objective-panel>.eyebrow{font-size:9px}.objective-panel h1{font-size:29px;margin:14px 0}.objective-panel>p{font-size:13px}.objective-panel .concept{display:inline-block;font:10px monospace;padding:5px 9px;background:#24312a;color:var(--mint);border-radius:4px;margin:4px 0 20px}.lesson{border-left:2px solid var(--teal);padding:3px 0 3px 15px;margin:22px 0;font-size:13px;color:var(--muted)}.lesson strong{display:block;color:var(--teal);font-size:10px;text-transform:uppercase;letter-spacing:1px;margin-bottom:7px}.panel-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:23px}.panel-actions .button{flex:1}.simulation-note{font-size:10px;color:#8fa39e;margin:14px 0 0;display:flex;gap:7px;align-items:start}.action-area{margin-top:21px;border-top:1px solid var(--line);padding-top:20px}.action-area h2{font-size:16px;margin-bottom:12px;letter-spacing:-.01em}.action-area p{font-size:12px}.action-area .button{margin-top:14px}.action-area label,.field-label{display:block;font-size:11px;color:var(--muted);margin:14px 0 7px}.field{width:100%;background:#0d151d;border:1px solid #3b4a51;border-radius:6px;color:var(--text);padding:11px 12px;font-size:13px;min-width:0}.field option{background:#15222a}.select-card{display:block;text-align:left;background:#0f1820;border:1px solid var(--line);border-radius:7px;padding:13px 14px;width:100%;margin:8px 0;transition:border-color .2s}.select-card:hover{border-color:#769567}.select-card.selected{border-color:var(--mint);background:#203125}.select-card strong{display:block;font-size:12px;letter-spacing:0}.select-card small{display:block;font-size:10px;color:var(--muted);line-height:1.6;margin-top:3px}.agent-option{display:flex;align-items:center;gap:14px}.agent-option .robot{width:39px;flex-shrink:0}.agent-option>span:not(.choice-index){flex:1}.choice-index{color:var(--mint);font:12px monospace}.feedback{border:1px solid #725540;background:#33291f;padding:14px 16px;border-radius:7px;margin-top:16px;color:#eed3a8;font-size:12px}.feedback.success{background:#1d3025;border-color:#526e42;color:#cce8b7}.feedback:empty{display:none}.feedback .button{margin-top:12px}.feedback strong{display:block;margin-bottom:3px}.terminal{border:1px solid #34494a;background:#0b151b;border-radius:7px;padding:14px;margin-top:15px;min-width:0}.terminal-head{display:flex;justify-content:space-between;font:9px monospace;color:#8ea9a2;letter-spacing:1px;gap:12px}.terminal-head span{color:var(--teal)}.terminal .log-line{font:11px/1.9 monospace;color:#afcdc3;margin-top:7px;overflow-wrap:anywhere}.log-line b{color:var(--mint);font-weight:400}.capability{display:flex;gap:10px;font:11px monospace;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--line);color:var(--muted)}.capability strong{color:var(--mint)}.order-list{list-style:none;padding:0;margin:13px 0}.order-list li{display:flex;align-items:center;gap:10px;font-size:11px;background:#203127;border:1px solid #3f5748;border-radius:5px;padding:10px;margin:7px 0}.order-list li span{color:var(--mint);font:11px monospace}.order-list button{margin-left:auto;color:var(--muted);background:none;padding:4px 7px}.sequence-bank .select-card{padding:10px 12px}.sequence-bank .select-card:disabled{display:none}.reward-panel{text-align:center;padding:36px 26px;border:1px solid #617a4a;background:radial-gradient(ellipse at 50% 0,#30412a,transparent 70%),var(--panel);border-radius:12px}.reward-icon{width:76px;height:76px;border:1px solid #89af69;display:grid;place-items:center;margin:0 auto 24px;background:#b9ef8610;border-radius:22px;color:var(--mint);font-size:36px;transform:rotate(-7deg)}.reward-panel h1{font-size:30px;margin:14px 0}.reward-panel p{font-size:13px}.reward-xp{display:inline-block;background:#2a412c;color:var(--mint);padding:5px 15px;border-radius:20px;font:12px monospace;margin:19px 0}.reward-item{border-top:1px solid #3f513d;border-bottom:1px solid #3f513d;padding:15px;margin:0 0 22px;font-size:12px;color:#ccdbc8}.reward-item small{display:block;color:#94ac90;font:9px monospace;letter-spacing:1px;margin-bottom:6px}.reward-panel .button{width:100%}.intro-layout{max-width:1070px;margin:auto}.intro-layout .world{aspect-ratio:840/360}.intro-layout .landscape{object-fit:cover}.intro-layout .scene-robot{width:8%;bottom:13%}.intro-layout .scene-nova{bottom:6%}.intro-layout .scene-sol{bottom:7%}.intro-bottom{display:grid;grid-template-columns:1.6fr 1fr;gap:20px;margin-top:20px}.intro-bottom .dialogue{margin:0}.intro-aside{border:1px solid var(--line);background:var(--panel);border-radius:12px;padding:23px}.intro-aside p{font-size:12px;line-height:1.85}.intro-aside .eyebrow{margin-bottom:10px;font-size:9px}.intro-title{font-size:32px;margin:0 0 16px}.intro-progress{display:flex;gap:7px}.intro-progress i{width:24px;height:3px;background:var(--line)}.intro-progress i.active{background:var(--mint)}.final-hero{display:grid;grid-template-columns:1fr 1.2fr;align-items:center;gap:40px;margin:20px 0 35px}.final-hero h1{font-size:49px;margin:22px 0}.final-hero h1 span{color:var(--mint)}.final-hero p{font-size:14px}.final-hero .reward-icon{margin:0 0 25px}.certificate-box{border:1px solid #6b825a;border-radius:12px;background:#19271f;padding:24px;display:flex;justify-content:space-between;align-items:center;gap:20px}.certificate-box h2{font-size:21px;margin-bottom:8px}.certificate-box p{font-size:12px}.certificate-box .field{max-width:220px;margin-top:14px}.final-skills{margin:30px 0;display:flex;flex-wrap:wrap;gap:10px}.final-skills span{font:11px monospace;background:var(--panel2);color:var(--teal);border:1px solid var(--line);border-radius:5px;padding:8px 12px}dialog{color:var(--text);background:var(--panel);border:1px solid #4b5c54;border-radius:15px;width:min(470px,calc(100% - 32px));padding:28px;box-shadow:0 30px 100px #0008}dialog::backdrop{background:#030911cc;backdrop-filter:blur(5px)}.dialog-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:25px}.dialog-heading h2{font-size:24px}.setting-row{display:flex;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px solid var(--line);padding:17px 0;font-size:13px}.setting-row p{font-size:11px;margin-top:3px}.setting-row input{accent-color:var(--mint);width:19px;height:19px;flex-shrink:0}.reset-area{padding-top:22px}.reset-area>p{font-size:11px;margin-bottom:12px}.reset-confirm{border:1px solid #7b594a;border-radius:7px;padding:15px;margin-top:16px}.reset-confirm p{font-size:12px;margin-bottom:13px}.reset-confirm .button{margin-right:8px}.fade-in{animation:enter .35s ease both}[hidden]{display:none!important}.compact-note{font-size:11px!important;margin-top:14px}.inventory{display:flex;gap:8px;flex-wrap:wrap;margin-top:19px}.inventory span{font:9px monospace;padding:6px 9px;border:1px solid #3b4a3e;border-radius:4px;color:#b0c79e}.beacon-beam{animation:signal 4s infinite}.restart-link{margin-top:12px}.motion-off *,.motion-off *:before,.motion-off *:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}@keyframes blink{0%,43%,47%,100%{transform:scaleY(1)}45%{transform:scaleY(.15)}}@keyframes signal{0%,100%{opacity:.35}50%{opacity:1}}@keyframes flow{to{stroke-dashoffset:-56}}@keyframes ship{0%,100%{transform:translate(0,0)}50%{transform:translate(-20px,8px)}}@keyframes enter{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1550px){.hero{min-height:530px}.hero h1{font-size:60px}.hero-copy>p{font-size:16px}}@media(max-width:1100px){.topbar{padding:0 24px;gap:20px}.topbar nav{gap:20px}.brand{font-size:13px}.brand small{font-size:7px}.hero h1{font-size:43px}.hero-copy{padding-right:20px}.hero{min-height:420px;grid-template-columns:46% 54%}.hero-copy>p{font-size:13px}.overview-strip>div{padding:18px}.overview-strip{grid-template-columns:1.15fr 1fr 1fr 1fr}.overview-strip small{font-size:10px}.overview-strip .strip-icon{font-size:20px;margin-right:8px}.crew-grid{grid-template-columns:repeat(2,1fr)}.game-layout{grid-template-columns:1.1fr 1fr;gap:18px}.objective-panel{padding:22px}.scene-label{font-size:6px}.floating-transmission{right:5%;left:5%;padding:12px}.floating-transmission p{font-size:10px}}@media(max-width:780px){.topbar{height:auto;min-height:77px;flex-wrap:wrap;gap:0;padding:17px 20px 0}.brand{order:0;font-size:12px}.brand-icon{height:36px;width:36px;line-height:36px}.header-tools{order:1;margin-left:auto}.topbar nav{order:2;width:100%;height:49px;gap:0;justify-content:space-between;margin-top:10px}.topbar nav a{font-size:12px}main{padding:24px 20px 40px}.hero{grid-template-columns:1fr;gap:9px;min-height:0}.hero-copy{padding:15px 0 20px}.hero h1{font-size:52px;max-width:600px;margin:18px 0}.hero-copy>p{max-width:550px;font-size:14px}.hero-visual{max-width:640px;width:100%;margin:auto}.hero-visual .world{aspect-ratio:840/440}.hero-facts{font-size:10px}.hero-actions{margin-top:23px}.overview-strip{grid-template-columns:1fr 1fr;margin:25px 0 35px}.overview-strip>div:nth-child(3):before{display:none}.overview-strip>div:nth-child(n+3){border-top:1px solid var(--line)}.overview-strip>div{padding:17px}.overview-strip .strip-icon{margin-right:12px}.overview-strip small{font-size:10px}.mission-preview,.map-grid{grid-template-columns:1fr 1fr}.mission-preview .mission-card:last-child{grid-column:1/-1}.mission-card{padding:21px}.mission-card .mission-top{margin-bottom:19px}.section-heading{align-items:start}.section-heading>p{display:none}.bottom-note{flex-wrap:wrap;gap:5px}footer{padding:21px 20px;flex-wrap:wrap;gap:10px}footer>span:nth-child(2){display:none}footer .save-status{margin-left:auto}.game-layout{grid-template-columns:1fr}.game-scene{max-width:680px;margin:auto;width:100%}.world-game{aspect-ratio:840/390}.world-game .scene-robot{width:8%;bottom:13%}.world-game .scene-nova{bottom:7%}.world-game .scene-sol{bottom:6%}.objective-panel{padding:24px}.game-top{flex-wrap:wrap}.game-top .eyebrow{font-size:8px}.game-steps span{width:18px}.dialogue{padding:19px}.dialogue p{font-size:13px}.intro-bottom{grid-template-columns:1fr}.intro-layout .world{aspect-ratio:840/440}.intro-title{font-size:29px}.page-head{align-items:start}.page-head h1{font-size:34px}.page-head .page-stat{font-size:10px}.manual-grid{grid-template-columns:1fr}.final-hero{grid-template-columns:1fr;gap:25px}.final-hero h1{font-size:43px}.certificate-box{flex-wrap:wrap}.scene-label{font-size:8px}.scene-coordinate{font-size:7px}.world-game .scene-coordinate{font-size:7px}}
@media(max-width:460px){.brand small{font-size:6px;letter-spacing:1.4px}.header-tools{gap:10px}.xp{font-size:11px}.topbar nav a{font-size:11px}.nav-count{font-size:8px}.hero h1{font-size:43px;line-height:1.1}.hero-facts{gap:12px;font-size:9px}.hero-copy>p{font-size:13px}.hero-actions{gap:9px}.button{padding:12px 16px;font-size:12px}.hero .button.secondary{padding:12px}.hero-visual .world{aspect-ratio:840/510}.scene-label{font-size:6px;padding:4px 6px}.floating-transmission p{font-size:9px}.floating-transmission small{font-size:7px}.floating-transmission{gap:9px;padding:10px 12px}.floating-transmission>span:last-child{display:none}.overview-strip strong{font-size:11px}.overview-strip small{font-size:9px}.overview-strip .strip-main{gap:9px}.orbit-icon{width:29px;height:29px;flex-shrink:0;font-size:20px}.overview-strip .strip-icon{font-size:20px;margin-right:9px}.mission-preview,.map-grid{grid-template-columns:1fr}.mission-preview .mission-card:last-child{grid-column:auto}.mission-card .mission-top{margin-bottom:14px}.mission-card .card-foot{margin-top:15px}.crew-grid{grid-template-columns:1fr}.crew-portrait{height:180px}.crew-details{padding:24px}.crew-details p{font-size:13px}.page-head{flex-direction:column;gap:5px}.page-head h1{font-size:32px}.dialogue{grid-template-columns:45px 1fr;gap:12px;padding:18px}.dialogue .robot{width:43px}.speaker-name{flex-wrap:wrap;gap:5px}.world-game{aspect-ratio:840/480}.objective-panel h1{font-size:27px}.scene-coordinate span{display:none}.scene-hud{font-size:7px;left:12px;right:12px;top:12px}.game-top{gap:7px}.game-top .eyebrow{letter-spacing:1px}.game-steps{display:none}.intro-layout .world{aspect-ratio:840/500}.manual-entry{padding:18px}.source-links{gap:15px}.final-hero h1{font-size:37px}.section-heading h2{font-size:23px}.section-heading .text-button{font-size:11px}.info-banner{padding:18px}.certificate-box .button{width:100%}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.topbar,footer,.game-top,.panel-actions,.hero-actions,.certificate-box .button,.certificate-box .field,.certificate-box label{display:none}body{background:white;color:#13251c}main{padding:0}.final-hero{display:block}.final-hero .world{max-width:600px}.final-hero p,.certificate-box p{color:#243c30}.certificate-box{background:#f4f8f0}.final-skills span{color:#243c30;background:#f4f8f0}}

/* In-scene feedback makes each connection visible alongside the exercise. */
.world[class*="focus-"] .scene-robot{opacity:.5;transition:opacity .3s,filter .3s}
.world.focus-echo .scene-echo,.world.focus-nova .scene-nova,.world.focus-vega .scene-vega,.world.focus-sol .scene-sol{opacity:1;filter:drop-shadow(0 0 12px #b9ef8638)}
.connection-trace{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:2}
.connection-trace path{stroke:#b9ef86;stroke-width:.35;stroke-dasharray:1.5 1;animation:flow 12s linear infinite;opacity:.8}
.connection-trace circle{fill:#b9ef86}
.scene-notice{position:absolute;left:5%;top:16%;padding:7px 11px;border:1px solid #65835b;background:#14261fed;color:#cbedb6;font:10px monospace;letter-spacing:.5px;border-radius:5px;z-index:3;max-width:90%}
#card-detail pre{max-height:210px;overflow:auto;scrollbar-width:thin}
@media(max-width:780px){.world .scene-notice{font-size:8px;top:17%}.section-heading{flex-wrap:wrap}.section-heading>.text-button{flex-shrink:0}}
/* Six mission sets: discovery, transmission, observatory, orbit, workshop, repair. */
.chapter-scene .scene-robot{transform:none}.chapter-caption{position:absolute;bottom:3.5%;left:4%;right:4%;display:flex;justify-content:space-between;gap:10px;font:8px monospace;color:#aecbbd;letter-spacing:1px}.chapter-caption>span:last-child{color:var(--mint)}
.radar-sweep{transform-origin:420px 216px;animation:radar 7s linear infinite}.radar-contact{opacity:.25}.phase-scanning .radar-contact,.phase-connected .radar-contact,.phase-done .radar-contact{opacity:1}.phase-scanning .radar-contact circle{animation:signal 1.7s infinite}.target-ring{animation:signal 2s infinite}
.message-packet{offset-path:path('M190 180 Q420 8 641 180');offset-rotate:0deg;offset-distance:0%;opacity:.3}.phase-transmitting .message-packet,.phase-connected .message-packet,.phase-done .message-packet{animation:send-packet 3.4s ease-in-out infinite;opacity:1}.transmission-path{opacity:.35}.phase-transmitting .transmission-path,.phase-connected .transmission-path{opacity:1;animation:flow 9s linear infinite}
.telescope{transform-origin:210px 330px;animation:telescope 9s ease-in-out infinite}.storm-bands{animation:signal 5s ease-in-out infinite}.task-hologram{animation:hologram 4s ease-in-out infinite}.ready-text{display:none}.phase-working .waiting-text,.phase-connected .waiting-text,.phase-done .waiting-text{display:none}.phase-working .ready-text,.phase-connected .ready-text,.phase-done .ready-text{display:block}.task-progress{stroke-dasharray:145;stroke-dashoffset:110}.phase-working .task-progress,.phase-connected .task-progress,.phase-done .task-progress{animation:progress-scan 3s ease infinite}
.orbital-satellite{transform-origin:420px 195px;animation:orbit-float 7s ease-in-out infinite}.orbital-route{animation:flow 10s linear infinite;opacity:.3}.phase-streaming .orbital-route,.phase-connected .orbital-route,.phase-done .orbital-route{opacity:1}.stream-bars rect{transform-origin:center 340px;animation:wave 1.2s ease-in-out infinite;opacity:.35}.phase-streaming .stream-bars rect,.phase-connected .stream-bars rect{opacity:1}
.conveyor{animation:conveyor 1s linear infinite}.mechanical-arm{transform-origin:616px 103px;animation:arm-work 5s ease-in-out infinite}.artifact-crate{transform:translateX(-80px)}.phase-delivering .artifact-crate,.phase-connected .artifact-crate,.phase-done .artifact-crate{animation:deliver-crate 4s ease-in-out infinite}.welding-sparks{opacity:0}.phase-repairing .welding-sparks,.phase-play .welding-sparks{animation:signal .3s steps(2) infinite}.landing-ship.ship-land{animation:land-ship 9s ease-in-out infinite}.ship-thrust{animation:signal .6s infinite}.phase-done .scene-robot .robot-body{animation:celebrate 1.7s ease-in-out infinite}
@keyframes radar{to{transform:rotate(360deg)}}@keyframes send-packet{0%,12%{offset-distance:0%}80%,100%{offset-distance:100%}}@keyframes telescope{0%,100%{transform:rotate(-3deg)}50%{transform:rotate(3deg)}}@keyframes hologram{0%,100%{opacity:.85}50%{opacity:1}}@keyframes progress-scan{0%{stroke-dashoffset:120}100%{stroke-dashoffset:0}}@keyframes orbit-float{0%,100%{transform:translateY(-5px) rotate(-3deg)}50%{transform:translateY(8px) rotate(3deg)}}@keyframes wave{0%,100%{transform:scaleY(.4)}50%{transform:scaleY(1)}}@keyframes conveyor{to{transform:translateX(20px)}}@keyframes arm-work{0%,100%{transform:rotate(-4deg)}50%{transform:rotate(6deg)}}@keyframes deliver-crate{0%,10%{transform:translateX(-80px)}80%,100%{transform:translateX(160px)}}@keyframes land-ship{0%,100%{transform:translate(30px,-15px)}50%{transform:translate(-20px,25px)}}@keyframes celebrate{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-7px) rotate(2deg)}}
.lab-invite{border:1px solid #63744f;background:#263724;border-radius:9px;padding:18px;margin:18px 0;text-align:left}.lab-invite strong{display:block;font-size:13px}.lab-invite p{font-size:11px;margin:5px 0 13px}.lab-invite .eyebrow{font-size:8px;margin-bottom:6px}.lab-invite .button{font-size:12px}.lab-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.lab-card{border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:25px}.lab-card .robot{width:70px;margin-bottom:19px}.lab-card h2{font-size:22px;margin:14px 0}.lab-card>p{font-size:12px}.lab-card .button{margin-top:20px}.lab-meta{font:9px monospace;color:var(--teal);margin:14px 0}.lab-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:25px;align-items:start}.lab-sidebar{border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:22px;position:sticky;top:20px}.lab-sidebar h2{font-size:19px;margin:12px 0}.lab-sidebar p{font-size:11px}.lab-step-list{display:grid;gap:7px;margin-top:20px}.lab-step-list button{text-align:left;background:transparent;padding:11px;border:1px solid transparent;border-radius:6px;color:var(--muted);font-size:12px}.lab-step-list button.active{color:var(--mint);background:#25352b;border-color:#4e6449}.lab-step-list button span{font:10px monospace;margin-right:10px}.lab-content{min-width:0}.lab-content>.chapter-scene{max-height:265px;aspect-ratio:840/285;margin-bottom:18px}.lab-content>.chapter-scene .landscape{object-fit:cover}.lab-content>.chapter-scene .scene-robot{width:9%!important}.lab-panel{border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:27px}.lab-panel h2{font-size:26px;margin:13px 0 18px}.lab-panel h3{font-size:17px;margin:20px 0 10px}.lab-panel p{font-size:13px;line-height:1.85}.lab-panel>p+p{margin-top:13px}.lab-panel .dialogue{margin-bottom:20px;background:#15212a}.lab-file{border:1px solid var(--line);border-radius:8px;padding:14px 16px;margin:10px 0;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.lab-file code{font-size:12px}.lab-file-actions{display:flex;gap:13px;align-items:center}.lab-file-actions a,.lab-file-actions button{font-size:11px;color:var(--mint);background:none;padding:5px 0}.lab-file pre{flex-basis:100%;max-height:300px;overflow:auto;font-size:11px;border-top:1px solid var(--line);padding-top:13px}.lab-command{margin:17px 0;border:1px solid #3d554a;border-radius:8px;overflow:hidden}.lab-command-head{display:flex;justify-content:space-between;align-items:center;padding:11px 15px;background:#1e3029;font:10px monospace;gap:12px;color:#bfd3bc}.lab-command-head button{background:transparent;color:var(--mint);font-size:10px}.lab-command pre{background:#0e1a20;padding:16px;margin:0}.lab-command .expected{padding:13px 15px;font-size:11px;border-top:1px solid #293e37;line-height:1.8}.lab-command .expected strong{color:var(--mint)}.lab-os{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.lab-os button{border:1px solid var(--line);padding:8px 12px;background:#0f1c24;border-radius:5px;color:var(--muted);font-size:11px}.lab-os button.active{border-color:var(--mint);color:var(--mint)}.lab-output{min-height:190px;font:12px/1.8 monospace;resize:vertical}.lab-status{padding:12px 0;font:10px monospace;color:var(--mint)}.lab-footer-actions{display:flex;justify-content:space-between;gap:12px;margin-top:25px;flex-wrap:wrap}.lab-trouble{padding:17px;border:1px solid var(--line);border-radius:8px;margin-top:16px}.lab-trouble summary{font-size:12px;color:#baccc2;cursor:pointer}.lab-trouble ul{padding-left:19px;font-size:12px;color:var(--muted)}.lab-trouble li+li{margin-top:10px}.lab-passed{margin-top:20px;padding:21px;border:1px solid #6a8b50;background:#263823;border-radius:9px}.lab-passed h3{color:var(--mint);margin-top:0}.lab-passed p{font-size:12px}.lab-passed .button{margin-top:17px}
@media(max-width:1100px){.topbar nav{gap:18px}.lab-layout{grid-template-columns:220px minmax(0,1fr)}}@media(max-width:780px){.lab-grid{grid-template-columns:1fr}.lab-layout{grid-template-columns:1fr}.lab-sidebar{position:static;padding:18px}.lab-step-list{display:flex;flex-wrap:wrap;gap:5px;margin-top:13px}.lab-step-list button{padding:8px;font-size:10px}.lab-step-list button span{margin-right:5px}.lab-sidebar>p{display:none}.lab-panel{padding:20px}.lab-content>.chapter-scene{aspect-ratio:840/380}.chapter-caption{font-size:6px;letter-spacing:.4px}.chapter-caption>span:last-child{display:none}.lab-file{padding:12px}.lab-panel h2{font-size:24px}.topbar nav{gap:0}}@media(prefers-reduced-motion:reduce){.message-packet{offset-distance:50%}.artifact-crate{transform:translateX(70px)}.radar-contact{opacity:1}}.motion-off .message-packet{offset-distance:50%}.motion-off .artifact-crate{transform:translateX(70px)}

.chapter-scene.phase-done .scene-robot{opacity:1!important}