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#22d3ee99}.platform-intro-brand-logo .logo-node-a{top:11px;left:10px}.platform-intro-brand-logo .logo-node-b{top:11px;right:10px}.platform-intro-brand-logo .logo-node-c{bottom:9px;left:21px}.platform-intro-brand-logo .logo-node-a:after,.platform-intro-brand-logo .logo-node-b:after{width:15px;top:2px}.platform-intro-brand-logo .logo-node-a:after{left:5px;transform:rotate(26deg)}.platform-intro-brand-logo .logo-node-b:after{width:14px;right:4px;transform:rotate(128deg)}.platform-intro-brand-name{line-height:1}.platform-intro-step-count{color:#075985;background:#eef8ff;border:1px solid #7dd3fcb8;margin:0 auto .62rem;padding:.35rem .72rem}.platform-intro-welcome p{color:#405974;max-width:48rem;margin:.72rem auto 0;font-size:1rem;line-height:1.58}.platform-intro-video-shell{gap:.58rem;width:min(100%,660px);display:grid}.platform-intro-player{border-radius:1rem;overflow:hidden;box-shadow:0 18px 42px 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.platform-intro-video-meta-icon:before{content:"";border:2px solid #2563eb;border-radius:999px;position:absolute;top:.29rem;right:.29rem;bottom:.29rem;left:.29rem}.platform-intro-video-meta-pill-duration .platform-intro-video-meta-icon:after{content:"";transform-origin:bottom;background:#2563eb;border-radius:999px;width:2px;height:.42rem;position:absolute;top:.39rem;left:.62rem;box-shadow:.18rem .32rem 0 -.02rem #2563eb}.platform-intro-actions{justify-content:center;align-items:center;width:100%;margin-top:.18rem;display:flex}.platform-intro-actions-stack{flex-direction:column;gap:.72rem}.platform-intro-next{color:#fff;cursor:pointer;min-height:52px;transition:transform var(--motion-fast) var(--ease-out),box-shadow var(--motion-fast) var(--ease-out),filter var(--motion-fast) var(--ease-out);background:linear-gradient(135deg,#1d4ed8,#2563eb 42%,#4ea6f5);border:1px solid #2563eb47;border-radius:14px;justify-content:center;align-items:center;gap:.75rem;padding:0 1.15rem 0 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lab,red,red)){.problem-loader-progress.is-signal li span{background:color-mix(in srgb,var(--problem-loader-panel) 88%,transparent)}}.problem-loader-progress.is-signal li span{box-shadow:0 0 0 4px var(--problem-loader-bg),inset 0 1px #ffffff73}@supports (color:color-mix(in lab,red,red)){.problem-loader-progress.is-signal li span{box-shadow:0 0 0 4px color-mix(in srgb,var(--problem-loader-bg) 74%,transparent),inset 0 1px #ffffff73}}.problem-loader-progress.is-signal li.is-current span{border-color:var(--problem-loader-cyan);background:linear-gradient(135deg,var(--problem-loader-accent),var(--problem-loader-cyan));box-shadow:0 0 0 4px var(--problem-loader-bg),0 0 0 7px var(--problem-loader-cyan),0 0 14px var(--problem-loader-cyan)}@supports (color:color-mix(in lab,red,red)){.problem-loader-progress.is-signal li.is-current span{box-shadow:0 0 0 4px color-mix(in srgb,var(--problem-loader-bg) 74%,transparent),0 0 0 7px color-mix(in srgb,var(--problem-loader-cyan) 13%,transparent),0 0 14px color-mix(in srgb,var(--problem-loader-cyan) 66%,transparent)}}.problem-loader-progress.is-signal li.is-complete span{border-color:var(--problem-loader-cyan);background:var(--problem-loader-cyan);box-shadow:0 0 0 4px var(--problem-loader-bg),0 0 10px var(--problem-loader-cyan)}@supports (color:color-mix(in lab,red,red)){.problem-loader-progress.is-signal li.is-complete span{box-shadow:0 0 0 4px color-mix(in srgb,var(--problem-loader-bg) 74%,transparent),0 0 10px color-mix(in srgb,var(--problem-loader-cyan) 36%,transparent)}}.problem-loader-progress.is-signal li:after{content:"";background:var(--problem-loader-cyan);width:.25rem;height:.25rem;box-shadow:0 0 .6rem var(--problem-loader-cyan);opacity:.7;border-radius:50%;position:absolute;top:.82rem;right:-.18rem}.problem-loader-progress.is-signal li:last-child:after{display:none}.problem-loader-progress.is-orbit:before{border:0;border-top:1px solid var(--problem-loader-violet);height:1.45rem;top:.74rem;left:10%;right:10%}@supports (color:color-mix(in lab,red,red)){.problem-loader-progress.is-orbit:before{border-top:1px solid color-mix(in srgb,var(--problem-loader-violet) 52%,transparent)}}.problem-loader-progress.is-orbit:before{background:0 0;border-radius:50% 50% 0 0;transform:scaleX(.92)}.problem-loader-progress.is-orbit:after{border-top:2px solid var(--problem-loader-violet);width:16%;height:1rem;filter:drop-shadow(0 0 5px var(--problem-loader-violet));transform:translate(calc(var(--problem-progress-index) * 184%)) rotate(-8deg);background:0 0;border-radius:50%;animation:2.1s ease-in-out infinite problemProgressOrbit;top:.48rem}.problem-loader-progress.is-orbit li:nth-child(2n){padding-top:.62rem}.problem-loader-progress.is-orbit li:nth-child(odd){padding-top:.08rem}.problem-loader-progress.is-orbit li span{border:1px solid var(--problem-loader-violet);width:1.36rem;height:1.36rem}@supports (color:color-mix(in lab,red,red)){.problem-loader-progress.is-orbit li span{border:1px solid color-mix(in srgb,var(--problem-loader-violet) 55%,var(--problem-loader-panel))}}.problem-loader-progress.is-orbit li span{background:linear-gradient(145deg,var(--problem-loader-panel),var(--problem-loader-violet));border-radius:.46rem}@supports (color:color-mix(in lab,red,red)){.problem-loader-progress.is-orbit li span{background:linear-gradient(145deg,color-mix(in srgb,var(--problem-loader-panel) 92%,transparent),color-mix(in srgb,var(--problem-loader-violet) 14%,transparent))}}.problem-loader-progress.is-orbit li span{box-shadow:0 0 0 3px var(--problem-loader-bg),inset 0 1px #ffffff6b}@supports (color:color-mix(in lab,red,red)){.problem-loader-progress.is-orbit li span{box-shadow:0 0 0 3px color-mix(in srgb,var(--problem-loader-bg) 72%,transparent),inset 0 1px #ffffff6b}}.problem-loader-progress.is-orbit li span{transform:rotate(45deg)}.problem-loader-progress.is-orbit li span:first-letter{display:inline-block}.problem-loader-progress.is-orbit li span{font-size:0}.problem-loader-progress.is-orbit li span:after{content:attr(data-step);font-size:.6rem}.problem-loader-progress.is-orbit li.is-current span,.problem-loader-progress.is-orbit li.is-complete span{border-color:var(--problem-loader-violet);background:linear-gradient(135deg,var(--problem-loader-violet),var(--problem-loader-cyan));box-shadow:0 0 0 3px var(--problem-loader-bg),0 0 12px var(--problem-loader-violet)}@supports (color:color-mix(in lab,red,red)){.problem-loader-progress.is-orbit li.is-current span,.problem-loader-progress.is-orbit li.is-complete span{box-shadow:0 0 0 3px color-mix(in srgb,var(--problem-loader-bg) 72%,transparent),0 0 12px color-mix(in srgb,var(--problem-loader-violet) 50%,transparent)}}.problem-loader-progress.is-orbit li.is-complete span{background:var(--problem-loader-cyan)}.problem-loader-progress.is-orbit li span{color:#0000}.problem-loader-progress.is-orbit li span:before{content:"";background:#fff;border-radius:50%;width:.32rem;height:.32rem;display:block;transform:rotate(-45deg);box-shadow:0 0 .35rem #fff}.problem-loader-forge-art,.problem-loader-atlas-art,.problem-loader-sequence-art{border:1px solid var(--problem-loader-line);background:linear-gradient(145deg,var(--problem-loader-panel),var(--problem-loader-accent));border-radius:1.1rem;min-height:10.5rem;position:relative;overflow:hidden}@supports (color:color-mix(in lab,red,red)){.problem-loader-forge-art,.problem-loader-atlas-art,.problem-loader-sequence-art{background:linear-gradient(145deg,color-mix(in srgb,var(--problem-loader-panel) 82%,transparent),color-mix(in srgb,var(--problem-loader-accent) 9%,transparent))}}.problem-loader-forge-art,.problem-loader-atlas-art,.problem-loader-sequence-art{box-shadow:inset 0 1px #ffffff6b,0 16px 32px #0f172a1a}.problem-loader-forge-art{background:radial-gradient(circle at 50% 48%,var(--problem-loader-violet),transparent 26%),linear-gradient(145deg,var(--problem-loader-panel),var(--problem-loader-accent));place-items:center;display:grid}@supports (color:color-mix(in lab,red,red)){.problem-loader-forge-art{background:radial-gradient(circle at 50% 48%,color-mix(in srgb,var(--problem-loader-violet) 18%,transparent),transparent 26%),linear-gradient(145deg,color-mix(in srgb,var(--problem-loader-panel) 88%,transparent),color-mix(in srgb,var(--problem-loader-accent) 8%,transparent))}}.problem-loader-forge-aura{background:radial-gradient(circle,var(--problem-loader-accent),transparent 68%);border-radius:50%;width:8rem;height:8rem;position:absolute}@supports (color:color-mix(in lab,red,red)){.problem-loader-forge-aura{background:radial-gradient(circle,color-mix(in srgb,var(--problem-loader-accent) 28%,transparent),transparent 68%)}}.problem-loader-forge-aura{filter:blur(5px);animation:2.8s ease-in-out infinite problemForgeAura}.problem-loader-forge-orbit{border:1px solid var(--problem-loader-accent);position:absolute;top:50%;left:50%}@supports (color:color-mix(in lab,red,red)){.problem-loader-forge-orbit{border:1px solid color-mix(in srgb,var(--problem-loader-accent) 38%,transparent)}}.problem-loader-forge-orbit{border-radius:50%;animation:8s linear infinite problemForgeOrbit;transform:translate(-50%,-50%)rotate(-12deg)}.problem-loader-forge-orbit.is-outer{width:10rem;height:5.4rem}.problem-loader-forge-orbit.is-inner{width:7.2rem;height:7.2rem;animation-duration:6s;animation-direction:reverse}.problem-loader-forge-orbit i{background:var(--problem-loader-cyan);width:.42rem;height:.42rem;box-shadow:0 0 .8rem var(--problem-loader-cyan);border-radius:50%;position:absolute}.problem-loader-forge-orbit i:first-child{top:18%;left:8%}.problem-loader-forge-orbit i:nth-child(2){background:var(--problem-loader-violet);box-shadow:0 0 .8rem var(--problem-loader-violet);bottom:24%;right:5%}.problem-loader-forge-orbit i:nth-child(3){bottom:-.22rem;left:50%}.problem-loader-forge-prism{width:4.6rem;height:5.1rem;filter:drop-shadow(0 16px 18px var(--problem-loader-accent));position:relative}@supports (color:color-mix(in lab,red,red)){.problem-loader-forge-prism{filter:drop-shadow(0 16px 18px color-mix(in srgb,var(--problem-loader-accent) 26%,transparent))}}.problem-loader-forge-prism{animation:3s ease-in-out infinite problemForgeFloat}.problem-loader-forge-prism span{clip-path:polygon(50% 0,100% 26%,50% 52%,0 26%);position:absolute;top:0;right:0;bottom:0;left:0}.problem-loader-forge-prism .is-top{background:linear-gradient(135deg,#dbeafe,var(--problem-loader-cyan))}.problem-loader-forge-prism .is-left{clip-path:polygon(0 0,50% 26%,50% 100%,0 74%);background:linear-gradient(160deg,var(--problem-loader-accent),#1d4ed8);top:26%}.problem-loader-forge-prism .is-right{clip-path:polygon(50% 26%,100% 0,100% 74%,50% 100%);background:linear-gradient(200deg,var(--problem-loader-violet),#4338ca);top:26%}.problem-loader-forge-prism b{z-index:2;color:#fff;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#07111f75;border:1px solid #ffffff94;border-radius:50%;place-items:center;width:1.45rem;height:1.45rem;font-size:.62rem;display:grid;position:absolute;top:47%;left:50%;transform:translate(-50%,-50%)}.problem-loader-forge-caption{color:var(--problem-loader-muted);letter-spacing:.1em;align-items:center;gap:.5rem;font:800 .5rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;display:flex;position:absolute;bottom:.7rem;left:1rem;right:1rem}.problem-loader-forge-caption i{background:linear-gradient(90deg,var(--problem-loader-accent),var(--problem-loader-cyan));opacity:.45;flex:1;height:1px}.problem-loader-atlas-art{background:radial-gradient(circle at 50% 50%,var(--problem-loader-cyan),transparent 34%),linear-gradient(145deg,var(--problem-loader-panel),var(--problem-loader-violet))}@supports (color:color-mix(in lab,red,red)){.problem-loader-atlas-art{background:radial-gradient(circle at 50% 50%,color-mix(in srgb,var(--problem-loader-cyan) 13%,transparent),transparent 34%),linear-gradient(145deg,color-mix(in srgb,var(--problem-loader-panel) 86%,transparent),color-mix(in srgb,var(--problem-loader-violet) 7%,transparent))}}.problem-loader-atlas-art svg{width:100%;height:100%;min-height:10.5rem;display:block}.atlas-route{fill:none;stroke:var(--problem-loader-accent)}@supports (color:color-mix(in lab,red,red)){.atlas-route{stroke:color-mix(in srgb,var(--problem-loader-accent) 38%,transparent)}}.atlas-route{stroke-width:1.2px;stroke-dasharray:3 6;animation:6s linear infinite problemAtlasRoute}.atlas-route.is-b{stroke:var(--problem-loader-violet)}@supports (color:color-mix(in lab,red,red)){.atlas-route.is-b{stroke:color-mix(in srgb,var(--problem-loader-violet) 48%,transparent)}}.atlas-route.is-b{animation-direction:reverse}.atlas-route.is-c{stroke:var(--problem-loader-cyan)}@supports (color:color-mix(in lab,red,red)){.atlas-route.is-c{stroke:color-mix(in srgb,var(--problem-loader-cyan) 42%,transparent)}}.atlas-node circle:first-child{fill:var(--problem-loader-panel);stroke:var(--problem-loader-line);stroke-width:1.2px}.atlas-node circle:last-child{fill:var(--problem-loader-muted);opacity:.38}.atlas-node.is-live circle:first-child{stroke:var(--problem-loader-cyan);filter:drop-shadow(0 0 7px var(--problem-loader-cyan))}@supports (color:color-mix(in lab,red,red)){.atlas-node.is-live circle:first-child{filter:drop-shadow(0 0 7px color-mix(in srgb,var(--problem-loader-cyan) 70%,transparent))}}.atlas-node.is-live circle:first-child{animation:problemAtlasNode 1.8s ease-in-out calc(var(--atlas-index) * .1s) infinite}.atlas-node.is-live circle:last-child{fill:var(--problem-loader-cyan);opacity:1}.atlas-traveler{fill:var(--problem-loader-cyan);filter:drop-shadow(0 0 6px var(--problem-loader-cyan))}.atlas-traveler.is-b{fill:var(--problem-loader-violet)}.problem-loader-atlas-coordinates{color:var(--problem-loader-muted);letter-spacing:.08em;justify-content:space-between;font:800 .47rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;display:flex;position:absolute;bottom:.55rem;left:.75rem;right:.75rem}.problem-loader-atlas-coordinates b{color:var(--problem-loader-accent)}.problem-loader-sequence-art{perspective:480px;background:radial-gradient(ellipse at 50% 85%,var(--problem-loader-accent),transparent 45%),linear-gradient(180deg,var(--problem-loader-panel),var(--problem-loader-violet))}@supports (color:color-mix(in lab,red,red)){.problem-loader-sequence-art{background:radial-gradient(ellipse at 50% 85%,color-mix(in srgb,var(--problem-loader-accent) 22%,transparent),transparent 45%),linear-gradient(180deg,color-mix(in srgb,var(--problem-loader-panel) 88%,transparent),color-mix(in srgb,var(--problem-loader-violet) 8%,transparent))}}.problem-loader-sequence-horizon{border-top:1px solid var(--problem-loader-line);background:repeating-linear-gradient(90deg,transparent 0 2rem,var(--problem-loader-line) 2rem calc(2rem + 1px)),repeating-linear-gradient(0deg,transparent 0 1.25rem,var(--problem-loader-line) 1.25rem calc(1.25rem + 1px));transform-origin:top;position:absolute;top:43%;right:-20%;bottom:-45%;left:-20%;transform:rotateX(62deg)}.problem-loader-sequence-horizon i{background:linear-gradient(var(--problem-loader-accent),transparent);width:1px;height:100%;transform:rotate(calc((var(--i,0) - 2) * 18deg));transform-origin:top;position:absolute;top:0;left:50%}.problem-loader-sequence-horizon i:first-child{--i:0}.problem-loader-sequence-horizon i:nth-child(2){--i:1}.problem-loader-sequence-horizon i:nth-child(3){--i:2}.problem-loader-sequence-horizon i:nth-child(4){--i:3}.problem-loader-sequence-horizon i:nth-child(5){--i:4}.problem-loader-sequence-platform{width:5.6rem;height:5.6rem;box-shadow:0 0 2rem var(--problem-loader-accent);border-radius:50%;position:absolute;top:52%;left:50%;transform:translate(-50%,-50%)rotateX(58deg)}@supports (color:color-mix(in lab,red,red)){.problem-loader-sequence-platform{box-shadow:0 0 2rem color-mix(in srgb,var(--problem-loader-accent) 25%,transparent)}}.problem-loader-sequence-platform .is-ring{border:2px solid var(--problem-loader-accent);border-top-color:var(--problem-loader-cyan);border-radius:50%;animation:3.2s linear infinite problemSequenceSpin;position:absolute;top:0;right:0;bottom:0;left:0}.problem-loader-sequence-platform .is-core{border:1px solid var(--problem-loader-violet);background:var(--problem-loader-accent);border-radius:50%;position:absolute;top:1.05rem;right:1.05rem;bottom:1.05rem;left:1.05rem}@supports (color:color-mix(in lab,red,red)){.problem-loader-sequence-platform .is-core{background:color-mix(in srgb,var(--problem-loader-accent) 18%,transparent)}}.problem-loader-sequence-platform .is-core{box-shadow:inset 0 0 1rem var(--problem-loader-accent)}@supports (color:color-mix(in lab,red,red)){.problem-loader-sequence-platform .is-core{box-shadow:inset 0 0 1rem color-mix(in srgb,var(--problem-loader-accent) 24%,transparent)}}.problem-loader-sequence-platform b{color:var(--problem-loader-text);font-size:.72rem;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)rotateX(-58deg)}.problem-loader-sequence-panel{border:1px solid var(--problem-loader-line);background:var(--problem-loader-panel);border-radius:.6rem;width:4.8rem;height:3.4rem;position:absolute;top:1rem}@supports (color:color-mix(in lab,red,red)){.problem-loader-sequence-panel{background:color-mix(in srgb,var(--problem-loader-panel) 88%,transparent)}}.problem-loader-sequence-panel{opacity:.42;transition:opacity .35s,transform .35s,border-color .35s;transform:translateY(.55rem)scale(.94);box-shadow:0 10px 20px #0f172a1f}.problem-loader-sequence-panel.is-editor{left:.8rem}.problem-loader-sequence-panel.is-runner{right:.8rem}.problem-loader-sequence-panel.is-online{border-color:var(--problem-loader-cyan)}@supports (color:color-mix(in lab,red,red)){.problem-loader-sequence-panel.is-online{border-color:color-mix(in srgb,var(--problem-loader-cyan) 60%,transparent)}}.problem-loader-sequence-panel.is-online{opacity:1;transform:none}.problem-loader-sequence-panel span{background:var(--problem-loader-cyan);width:.4rem;height:.4rem;box-shadow:0 0 .7rem var(--problem-loader-cyan);border-radius:50%;margin:.45rem;display:block}.problem-loader-sequence-panel i{background:var(--problem-loader-muted);opacity:.45;border-radius:1rem;width:62%;height:.24rem;margin:.35rem .5rem;display:block}.problem-loader-sequence-panel i:nth-of-type(2){background:var(--problem-loader-violet);width:42%}.problem-loader-sequence-beam{background:linear-gradient(transparent,var(--problem-loader-cyan),transparent);width:.18rem;height:46%;box-shadow:0 0 .75rem var(--problem-loader-cyan);animation:1.7s ease-in-out infinite problemSequenceBeam;position:absolute;top:16%;left:50%;transform:translate(-50%)}.problem-loader-aurora-art,.problem-loader-relay-art,.problem-loader-horizon-art{border:1px solid var(--problem-loader-line);background:linear-gradient(145deg,var(--problem-loader-panel),var(--problem-loader-accent));border-radius:1.1rem;min-height:12.25rem;position:relative;overflow:hidden}@supports (color:color-mix(in lab,red,red)){.problem-loader-aurora-art,.problem-loader-relay-art,.problem-loader-horizon-art{background:linear-gradient(145deg,color-mix(in srgb,var(--problem-loader-panel) 82%,transparent),color-mix(in srgb,var(--problem-loader-accent) 8%,transparent))}}.problem-loader-aurora-art,.problem-loader-relay-art,.problem-loader-horizon-art{box-shadow:inset 0 1px #ffffff70,0 18px 34px #0f172a1a}.problem-loader-aurora-art{background:radial-gradient(circle at 50% 48%,var(--problem-loader-cyan),transparent 23%),radial-gradient(circle at 52% 46%,var(--problem-loader-violet),transparent 55%),linear-gradient(145deg,var(--problem-loader-panel),var(--problem-loader-accent));place-items:center;display:grid}@supports (color:color-mix(in lab,red,red)){.problem-loader-aurora-art{background:radial-gradient(circle at 50% 48%,color-mix(in srgb,var(--problem-loader-cyan) 24%,transparent),transparent 23%),radial-gradient(circle at 52% 46%,color-mix(in srgb,var(--problem-loader-violet) 15%,transparent),transparent 55%),linear-gradient(145deg,color-mix(in srgb,var(--problem-loader-panel) 90%,transparent),color-mix(in srgb,var(--problem-loader-accent) 9%,transparent))}}.problem-loader-aurora-stars i{background:var(--problem-loader-cyan);width:.3rem;height:.3rem;box-shadow:0 0 .8rem var(--problem-loader-cyan);border-radius:50%;animation:2.7s ease-in-out infinite problemAuroraStar;position:absolute}.problem-loader-aurora-stars i:first-child{top:22%;left:18%}.problem-loader-aurora-stars i:nth-child(2){animation-delay:.35s;top:29%;right:20%}.problem-loader-aurora-stars i:nth-child(3){animation-delay:.7s;bottom:22%;left:30%}.problem-loader-aurora-stars i:nth-child(4){animation-delay:1.05s;bottom:18%;right:28%}.problem-loader-aurora-stars i:nth-child(5){animation-delay:1.4s;top:14%;left:42%}.problem-loader-aurora-stars i:nth-child(6){animation-delay:1.75s;bottom:12%;right:42%}.problem-loader-aurora-arc{border:1px solid var(--problem-loader-accent);position:absolute;top:48%;left:50%}@supports (color:color-mix(in lab,red,red)){.problem-loader-aurora-arc{border:1px solid color-mix(in srgb,var(--problem-loader-accent) 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