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13px;font-size:.84rem;font-weight:800}.app-header{z-index:40;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#040d26e6;border-bottom:1px solid #5eaeff29;align-items:center;gap:28px;min-height:76px;padding:12px clamp(18px,4vw,58px);display:flex;position:sticky;top:0}.brand{color:#fff;cursor:pointer;background:0 0;border:0;align-items:center;gap:9px;font-size:1.5rem;font-weight:950;display:flex}.brand-orbit{filter:drop-shadow(0 0 14px #4cb4ffa6);font-size:2rem}.brand small{background:#3b69ee;border-radius:8px;padding:3px 8px;font-size:.65rem}.main-nav{flex:1;justify-content:center;gap:5px;display:flex}.main-nav button{color:#d9e7ff;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:13px;align-items:center;gap:8px;padding:11px 14px;font-weight:750;display:flex}.header-actions{align-items:center;gap:10px;display:flex}.header-xp{color:#c4d6ff;border:1px solid #7d9fff2e;border-radius:12px;align-items:baseline;gap:4px;padding:7px 11px;display:flex}.header-xp b{color:#c39bff}.header-xp span{font-size:.7rem}.profile-button{color:#fff;cursor:pointer;background:0 0;border:0;font-weight:750}.hero{border-bottom:1px solid #5eaeff1a;grid-template-columns:1.08fr .92fr .72fr;align-items:center;gap:24px;min-height:620px;padding-top:66px;padding-bottom:70px;display:grid}.hero-copy h1{text-shadow:0 8px 30px #0000005c;margin-bottom:22px;font-size:clamp(3.2rem,5.6vw,6.2rem);line-height:.92}.hero-copy h1 span,.route-hero h1 span,.lab-hero h1 span,.progress-hero h1 span{color:#0000;background:linear-gradient(#77f2ff,#2ab8ff);-webkit-background-clip:text}.hero-lead{color:#c3d7f1;max-width:630px;font-size:1.09rem;line-height:1.65}.hero-actions{flex-wrap:wrap;gap:12px;margin:28px 0 18px;display:flex}.quick-trust{color:#91b9d9;flex-wrap:wrap;gap:14px;font-size:.83rem;display:flex}.hero-mascot{justify-content:center;align-items:center;min-height:430px;display:flex}.hero-progress{border-radius:26px;padding:22px}.card-heading,.panel-title{align-items:center;gap:10px;display:flex}.card-heading h3,.panel-title h2{margin:0}.level-chip{background:#1f4b8b4d;border-radius:16px;align-items:center;gap:12px;margin:18px 0;padding:14px;display:flex}.level-chip>div{flex-direction:column;display:flex}.level-chip small,.stat-stack small{color:#8aa7c9}.stat-stack{gap:9px;margin-top:18px;display:grid}.stat-stack>div{background:#091c3e9e;border-radius:14px;grid-template-columns:30px 1fr auto;align-items:center;padding:10px 12px;display:grid}.stat-stack span{font-size:1.25rem}.mascot-wrap{flex-direction:column;justify-content:center;align-items:center;width:100%;max-width:390px;min-height:320px;display:flex;position:relative}.mascot-bubble{color:#122457;background:#f8fbff;border-radius:24px 24px 24px 6px;align-self:flex-start;max-width:210px;margin-left:12px;padding:15px 18px;font-weight:900;transform:rotate(-2deg);box-shadow:0 12px 35px #0003}.mascot-orbit{background:radial-gradient(circle,#25d8ff2e,#673eff0a 60%,#0000 61%);border-radius:50%;place-items:center;width:260px;height:260px;margin-top:-4px;display:grid;position:relative}.mascot-orbit:after{content:"";filter:blur(5px);background:radial-gradient(#574cff59,#0000 68%);border-radius:50%;width:92%;height:30%;position:absolute;bottom:18px}.mascot-robot{z-index:2;filter:drop-shadow(0 18px 18px #00000059)drop-shadow(0 0 28px #3dceff52);font-size:9rem;animation:4s ease-in-out infinite float;position:relative}.mascot-star{color:#ffe34d;text-shadow:0 0 12px #ffd53c;animation:2s infinite twinkle;position:absolute}.star-one{font-size:1.8rem;top:55px;left:18px}.star-two{font-size:1.2rem;animation-delay:.7s;bottom:68px;right:18px}.mascot-compact{flex-direction:row-reverse;max-width:320px;min-height:230px}.mascot-compact .mascot-orbit{width:170px;height:170px}.mascot-compact .mascot-robot{font-size:5.8rem}.mascot-compact .mascot-bubble{max-width:160px;font-size:.83rem}@keyframes float{0%,to{transform:translateY(0)rotate(-2deg)}50%{transform:translateY(-10px)rotate(2deg)}}@keyframes twinkle{0%,to{opacity:.45;transform:scale(.8)}50%{opacity:1;transform:scale(1.15)}}.section-heading{justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px;display:flex}.section-heading h2{margin:0;font-size:2rem}.levels-section,.features-section{padding-top:58px;padding-bottom:32px}.level-grid{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.level-card{color:#fff;text-align:left;cursor:pointer;border:1px solid #ffffff1f;border-radius:26px;grid-template-columns:82px 1fr 40px;align-items:center;gap:18px;min-height:245px;padding:24px;transition:all .25s;display:grid;position:relative;overflow:hidden}.level-card:before{content:"";pointer-events:none;background:radial-gradient(circle at 10% 15%,#ffffff1f,#0000 35%);position:absolute;inset:0}.level-card:hover{transform:translateY(-5px);box-shadow:0 24px 60px #0000004d}.level-cyan{background:linear-gradient(135deg,#00949fad,#082d58eb);border-color:#31e8e073}.level-violet{background:linear-gradient(135deg,#6239c7b3,#20195cf2);border-color:#9d6bff7a}.level-amber{background:linear-gradient(135deg,#ab6000a3,#432513f2);border-color:#ffb83475}.level-planet{background:radial-gradient(circle at 35% 30%,#ffffff38,#1532705c);border-radius:50%;place-items:center;width:76px;height:76px;font-size:2.6rem;display:grid;box-shadow:inset -8px -10px 20px #0000002e,0 0 25px #50beff38}.level-planet.huge{width:116px;height:116px;font-size:4rem}.level-copy h3{margin:9px 0 7px;font-size:1.7rem}.level-copy p{color:#d7e2f2;line-height:1.5}.level-copy small{color:#9ec8e6}.round-arrow{border:1px solid #ffffff40;border-radius:50%;place-items:center;width:38px;height:38px;font-size:1.3rem;display:grid}.feature-grid{grid-template-columns:repeat(4,1fr);gap:15px;display:grid}.feature-card{border:1px solid var(--line);background:linear-gradient(#0e2957c2,#051430cc);border-radius:22px;min-height:180px;padding:23px}.feature-card>span{font-size:2.3rem}.feature-card h3{margin:13px 0 8px}.feature-card p{color:#9fb7d6;margin:0;line-height:1.55}.cta-band{border-radius:28px;justify-content:space-between;align-items:center;gap:22px;margin-top:34px;margin-bottom:55px;display:flex}.cta-band h2{margin-bottom:8px;font-size:2rem}.cta-band p:last-child{color:#9fb7d6;max-width:760px;margin-bottom:0}.progress-control{width:100%}.progress-label{color:#a9c3df;justify-content:space-between;margin-bottom:7px;font-size:.8rem;display:flex}.progress-track{background:#8eb0e024;border-radius:999px;height:8px;overflow:hidden}.progress-fill{border-radius:inherit;background:linear-gradient(90deg,#36e5bf,#32c9ff,#7768ff);height:100%;box-shadow:0 0 14px #32d9ff73}.route-page{padding-top:36px}.route-hero{grid-template-columns:1.2fr .8fr .75fr;align-items:center;gap:20px;min-height:280px;display:grid}.route-hero h1,.lab-hero h1,.progress-hero h1{margin-bottom:15px;font-size:clamp(3rem,5vw,5.3rem);line-height:.92}.route-hero p:not(.eyebrow),.lab-hero p:not(.eyebrow),.progress-hero p:not(.eyebrow){color:#b4c9e3;max-width:650px;line-height:1.6}.route-stats{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.route-stats>div{border:1px solid var(--line);background:#0a1e46a6;border-radius:18px;flex-direction:column;justify-content:center;align-items:center;min-height:92px;padding:14px;display:flex}.route-stats span{font-size:1.5rem}.route-stats small{color:#89a8ca}.route-zones{gap:28px;display:grid}.route-zone{border:1px solid var(--line);border-radius:32px;padding:26px;position:relative;overflow:hidden}.zone-cyan{background:linear-gradient(135deg,#05526861,#07193ecc)}.zone-violet{background:linear-gradient(135deg,#4624846b,#07193ecc)}.zone-amber{background:linear-gradient(135deg,#78460e6b,#07193ecc)}.zone-head{grid-template-columns:76px 1fr 220px;align-items:center;gap:18px;display:grid}.zone-icon{font-size:3rem}.zone-head h2{margin:4px 0}.zone-head p{color:#9eb6d4;margin:0}.zone-progress{text-align:right}.zone-progress b{font-size:1.3rem}.zone-lock{color:#a9bfd9;background:#0a102185;border-radius:14px;margin:18px 0 0;padding:12px 14px}.mission-path{grid-template-columns:repeat(10,1fr);gap:12px;margin:28px 0;display:grid;position:relative}.mission-path:before{content:"";z-index:0;background:linear-gradient(90deg,#32e6d259,#935cf659,#ffbf4759);height:3px;position:absolute;top:37px;left:3%;right:3%}.mission-node{z-index:1;color:#fff;cursor:pointer;text-align:center;background:0 0;border:0;flex-direction:column;align-items:center;gap:5px;min-width:0;display:flex;position:relative}.mission-node .node-icon{background:linear-gradient(145deg,#1e4f90,#121c4d);border:2px solid #64c8ff5c;border-radius:50%;place-items:center;width:68px;height:68px;font-size:1.45rem;display:grid;box-shadow:0 8px 22px #0000004d,0 0 18px #31cbff1f}.mission-node.current .node-icon{border-color:#ffd84a;animation:2s infinite pulse;box-shadow:0 0 0 6px #ffd84a14,0 0 25px #ffd84a75}.mission-node.locked{opacity:.45}.mission-node small{color:#9fb5d0}.mission-node b{max-width:95px;font-size:.7rem;line-height:1.15}.special-row{border-top:1px solid #ffffff17;grid-template-columns:190px 1fr;gap:18px;padding-top:18px;display:grid}.special-row>div:first-child{flex-direction:column;display:flex}.special-row small{color:#8ca8c9;margin-top:4px}.special-buttons{grid-template-columns:repeat(7,1fr);gap:8px;display:grid}.special-buttons button{color:#dceaff;cursor:pointer;background:#061435a3;border:1px solid #84b3ff2e;border-radius:13px;padding:10px 8px;font-size:.72rem}.special-buttons button span{margin-bottom:4px;font-size:1.2rem;display:block}.special-buttons button.done{background:#197e5e33;border-color:#36e5ad}@keyframes pulse{50%{opacity:.5}}.level-page{padding-top:30px}.level-banner{border-radius:30px;grid-template-columns:140px 1fr;align-items:center;gap:24px;margin-top:18px;padding:30px;display:grid}.level-banner h1{margin:6px 0;font-size:3rem}.level-banner p{color:#d0dded;max-width:760px}.lesson-list{gap:10px;margin:28px 0;display:grid}.lesson-list-card{text-align:left;color:#fff;border:1px solid var(--line);cursor:pointer;background:#091b3db8;border-radius:18px;grid-template-columns:52px 52px 1fr 120px 28px;align-items:center;gap:12px;width:100%;padding:14px 18px;display:grid}.lesson-list-card:hover:not(:disabled){border-color:#32d9ff85;transform:translate(3px)}.lesson-list-card.done{background:linear-gradient(90deg,#136b5b47,#091b3db8)}.lesson-num{background:#2a64be57;border-radius:50%;place-items:center;width:38px;height:38px;font-weight:900;display:grid}.lesson-icon{font-size:1.55rem}.lesson-list-card small{color:#79d9ff;font-size:.7rem}.lesson-list-card b{margin:3px 0;font-size:1rem;display:block}.lesson-list-card p{color:#92aaca;margin:0;font-size:.83rem}.lesson-reward{color:#ffd85b;font-size:.8rem;font-weight:800}.lesson-list-card em{font-size:1.3rem;font-style:normal}.special-panel{background:linear-gradient(135deg,#492c8e45,#071838c7);border:1px solid #9462ff40;border-radius:28px;grid-template-columns:.75fr 1.25fr;gap:24px;padding:26px;display:grid}.special-grid{grid-template-columns:repeat(2,1fr);gap:9px;display:grid}.special-grid button{text-align:left;border:1px solid var(--line);color:#fff;cursor:pointer;background:#051331bd;border-radius:14px;grid-template-columns:38px 1fr auto;align-items:center;gap:8px;padding:10px;display:grid}.special-grid button span{font-size:1.3rem}.special-grid small{color:#a5b8d2}.lesson-page{padding-top:26px}.lesson-topbar{justify-content:space-between;align-items:center;gap:14px;display:flex}.crumb{color:#86b7da;font-weight:750}.crumb span{color:#58799b;margin:0 8px}.lesson-hero{grid-template-columns:1.2fr .75fr .68fr;align-items:center;gap:20px;min-height:250px;display:grid}.lesson-hero h1{margin-bottom:12px;font-size:clamp(2.6rem,4.5vw,4.7rem)}.lesson-hero>div>p:last-child{color:#b4cae3;font-size:1.05rem}.mission-meta{border-radius:20px;gap:8px;padding:14px;display:grid}.mission-meta span{background:#0c234d94;border-radius:12px;padding:10px}.lesson-workspace{grid-template-columns:.72fr 1.28fr;gap:16px;display:grid}.learn-panel,.coding-panel{border-radius:25px;min-width:0;padding:20px}.panel-title{margin-bottom:16px}.panel-title>span{font-size:1.55rem}.panel-title small{color:#7fa7ca;margin-left:auto}.learn-panel>p{color:#bdd0e5;line-height:1.55}.key-points{background:#14407a54;border:1px solid #53a1ff2e;border-radius:15px;margin:16px 0;padding:15px}.key-points p{color:#c9dcf0;margin:6px 0 0;line-height:1.5}.example-box{background:#050d1e;border:1px solid #6fa2e42b;border-radius:16px;overflow:hidden}.example-box>div{background:#18325c80;justify-content:space-between;padding:10px 13px;display:flex}.example-box small{color:#7997b8}.example-box pre{color:#8ee6bc;margin:0;padding:15px;font-size:.82rem;overflow:auto}.ideas-box{flex-wrap:wrap;gap:7px;margin-top:14px;display:flex}.ideas-box b{width:100%}.ideas-box span{background:#8357ff26;border:1px solid #8357ff33;border-radius:10px;padding:6px 8px;font-size:.78rem}.editor-shell{background:#050b16;border:1px solid #629ee338;border-radius:16px;overflow:hidden}.editor-titlebar{color:#8aa8c9;background:#0b1830;justify-content:space-between;align-items:center;height:36px;padding:0 12px;font-size:.75rem;display:flex}.editor-titlebar span{gap:6px;display:flex}.editor-titlebar i{background:#ff6868;border-radius:50%;width:9px;height:9px}.editor-titlebar i:nth-child(2){background:#ffd45c}.editor-titlebar i:nth-child(3){background:#5ee59e}.cm-editor{font-size:.88rem}.cm-scroller{font-family:SFMono-Regular,Consolas,Liberation Mono,monospace!important}.input-run-row{grid-template-columns:1fr auto;align-items:end;gap:12px;margin-top:14px;display:grid}.input-run-row label{color:#9ab5d3;flex-direction:column;gap:6px;font-size:.8rem;display:flex}.input-run-row textarea,.lab-console-row textarea{resize:vertical;border:1px solid var(--line);color:#fff;background:#071124;border-radius:12px;min-height:70px;padding:10px}.run-actions{flex-wrap:wrap;gap:8px;display:flex}.console-box{background:#040b17;border:1px solid #68a0e130;border-radius:15px;margin-top:12px;overflow:hidden}.console-box>div{background:#0c1e3abd;justify-content:space-between;padding:10px 13px;display:flex}.console-box button{color:#85dfff;cursor:pointer;background:0 0;border:0}.console-box pre{color:#d9e8f8;white-space:pre-wrap;min-height:92px;max-height:180px;margin:0;padding:13px;font-size:.82rem;overflow:auto}.hints-strip{border-radius:18px;grid-template-columns:150px 1fr;gap:10px;margin-top:15px;padding:15px 18px;display:grid}.hints-strip p{color:#cad9eb;margin:0 0 7px}.hints-strip p span{background:#5e52d9;border-radius:50%;place-items:center;width:23px;height:23px;margin-right:8px;display:inline-grid}.mission-check{background:linear-gradient(90deg,#351f7373,#092553db);border:1px solid #7966ff47;border-radius:22px;justify-content:space-between;align-items:center;gap:20px;margin-top:16px;padding:18px 22px;display:flex}.mission-check>div:first-child{align-items:center;gap:14px;display:flex}.target-icon{font-size:2.6rem}.mission-check h3{margin:2px 0 5px}.mission-check p{color:#aabed8;white-space:pre-wrap;margin:0}.mission-check.success{background:linear-gradient(90deg,#146f5159,#092553db);border-color:#44e5a4}.mission-check.error{border-color:#ff6d8a}.check-actions{flex-shrink:0;gap:8px;display:flex}.lab-page{padding-top:30px}.lab-hero{grid-template-columns:1.25fr .75fr;align-items:center;min-height:230px;display:grid}.lab-layout{grid-template-columns:260px 1fr 280px;gap:14px;display:grid}.projects-panel,.lab-editor,.detail-card,.ideas-card{border-radius:22px;min-width:0;padding:16px}.projects-panel .panel-title button{color:#6be7ff;cursor:pointer;background:0 0;border:0;margin-left:auto;font-size:1.5rem}.new-project{color:#fff;cursor:pointer;background:linear-gradient(135deg,#5960f2,#7d4aea);border:0;border-radius:13px;width:100%;margin-bottom:12px;padding:12px;font-weight:900}.project-list{gap:7px;display:grid}.project-list button{color:#fff;text-align:left;cursor:pointer;background:#06132fa3;border:1px solid #0000;border-radius:13px;gap:10px;padding:10px;display:flex}.project-list button.active{background:#12539a57;border-color:#31d4ff}.project-list button div{flex-direction:column;display:flex}.project-list small{color:#7994b5;margin-top:3px}.save-note{background:#4c34af40;border-radius:14px;gap:10px;margin-top:15px;padding:12px;display:flex}.save-note div{flex-direction:column;display:flex}.save-note small{color:#9bb1ce}.lab-toolbar{justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px;display:flex}.lab-toolbar input{color:#fff;background:0 0;border:0;width:45%;font-size:1rem;font-weight:900}.lab-toolbar>div{gap:7px;display:flex}.lab-toolbar button{border:1px solid var(--line);color:#fff;cursor:pointer;background:#0f2850b8;border-radius:10px;padding:9px 11px}.lab-toolbar .run-lab{color:#062116;background:#27e0a7;border:0;font-weight:900}.lab-console-row{grid-template-columns:210px 1fr;gap:10px;display:grid}.lab-console-row label{flex-direction:column;gap:6px;margin-top:12px;display:flex}.lab-console-row .console-box{margin-top:12px}.lab-side{align-content:start;gap:12px;display:grid}.detail-card h3{margin:8px 0}.detail-card p{color:#9db5d0;line-height:1.5}.tags{flex-wrap:wrap;gap:5px;display:flex}.tags span{background:#3876c93b;border-radius:999px;padding:5px 8px;font-size:.72rem}.danger-link{color:#ff8ba0;cursor:pointer;background:0 0;border:0;margin-top:18px}.ideas-card h3{margin-bottom:12px}.ideas-card button{color:#d9e9fa;text-align:left;cursor:pointer;background:0 0;border:0;border-top:1px solid 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