.atlas-app{--bg:#f2f3f3;--surface:#fff;--ink:#20282c;--muted:#637075;--line:#e1e5e5;--teal:#287d73;--tint:#edf5f2;background:var(--bg);color:var(--ink);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font:14px/1.55 Inter,Helvetica Neue,Arial,sans-serif;position:fixed;inset:0;overflow:hidden}.atlas-app *{box-sizing:border-box}.atlas-app button,.atlas-app input,.atlas-app a{font:inherit}.atlas-app button,.atlas-app a{touch-action:manipulation}.atlas-app button{cursor:pointer;color:inherit;background:0 0;border:0}.atlas-app button:disabled{opacity:.4;cursor:default}.atlas-app a{color:inherit;text-decoration:none}.atlas-app button:focus-visible,.atlas-app a:focus-visible,.atlas-app input:focus-visible,.atlas-app summary:focus-visible{outline:2px solid var(--teal);outline-offset:3px}.atlas-app h1,.atlas-app h2,.atlas-app h3,.atlas-app p{margin:0}.atlas-app svg{stroke-width:1.7px;flex-shrink:0}.atlas-app button,.atlas-app a{transition:background .16s,color .16s}.atlas-app button:hover:not(:disabled){color:var(--teal)}.atlas-header{background:var(--surface);border-bottom:1px solid var(--line);z-index:5;justify-content:space-between;align-items:center;gap:20px;height:72px;padding:0 30px;display:flex;position:relative}.atlas-brand{letter-spacing:-.8px;white-space:nowrap;color:var(--teal)!important;font-size:25px!important;font-weight:700!important}.atlas-brand span{letter-spacing:-.6px;color:var(--ink);margin-left:5px;font-size:18px;font-weight:500}.suite-nav{align-self:stretch;align-items:stretch;gap:40px;display:flex;position:absolute;left:50%;transform:translate(-50%)}.suite-nav a{border-bottom:2px solid #0000;align-items:center;padding:0 8px;font-weight:500;display:flex}.suite-nav a[aria-current]{border-color:var(--teal);color:var(--teal)}.header-actions{align-items:center;gap:18px;display:flex}.header-actions button,.scan-link{align-items:center;gap:7px;min-height:44px;display:flex}.header-actions .mobile-menu{display:none}.scan-link{color:var(--teal)!important;font-size:13px!important}.atlas-layout{grid-template-columns:280px minmax(240px,1fr) 310px;gap:18px;max-width:2000px;height:calc(100dvh - 72px);margin:auto;padding:18px;display:grid}.explorer-rail,.inspector-rail{background:var(--surface);border:1px solid var(--line);border-radius:12px;flex-direction:column;min-height:0;display:flex;overflow:hidden;box-shadow:0 2px 4px #1e363304}.explorer-intro{padding:26px 22px 20px}.explorer-intro h1{letter-spacing:-.9px;font-size:26px;font-weight:600;line-height:1.2}.explorer-intro p{color:var(--muted);margin-top:10px;font-size:14px;line-height:1.65}.atlas-search{height:44px;color:var(--muted);border:1px solid #cdd5d4;border-radius:7px;flex-shrink:0;align-items:center;gap:9px;margin:0 20px 16px;padding:0 10px;display:flex}.atlas-search:focus-within{border-color:var(--teal);box-shadow:0 0 0 3px #287d7310}.atlas-search input{width:100%;min-width:0;color:var(--ink);background:0 0;border:0;height:100%;font-size:13px;outline:0!important}.atlas-search kbd{border:1px solid var(--line);border-radius:3px;padding:0 5px;font:12px monospace}.atlas-search button{padding:4px;display:flex}.rail-tabs{border-bottom:1px solid var(--line);gap:15px;margin:0 20px;display:flex}.rail-tabs button{border-bottom:2px solid #0000;flex:1;margin-bottom:-1px;padding:9px 0 12px;font-size:13px}.rail-tabs button[aria-current]{color:var(--teal);border-bottom-color:var(--teal);font-weight:600}.rail-tabs small{margin-left:5px;font-size:10px}.rail-scroll{overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#cbd4d2 transparent;flex:1;padding:10px 20px 16px;overflow:auto}.section-label{text-transform:uppercase;letter-spacing:.08em;color:var(--muted);padding:22px 0 8px;font-size:11px}.system-preset{text-align:left;align-items:center;gap:12px;width:100%;min-height:46px;display:flex;border-bottom:1px solid #edf0ef!important;font-size:13px!important}.system-preset span{flex:1}.system-preset i{border-radius:50%;width:9px;height:9px;margin:0 5px}.system-preset>svg:last-child{color:#80908c}.system-preset[aria-pressed=true]{color:var(--teal);background:var(--tint);font-weight:600}.structure-row{text-align:left;align-items:center;gap:10px;width:100%;padding:12px 0;display:flex;border-bottom:1px solid #edf0ef!important}.structure-row>span{flex:1;min-width:0}.structure-row strong{text-transform:capitalize;font-size:13px;font-weight:500;display:block}.structure-row small{-webkit-line-clamp:2;color:var(--muted);-webkit-box-orient:vertical;margin-top:3px;font-size:11px;line-height:1.6;display:-webkit-box;overflow:hidden}.structure-row>svg{color:#8b9792}.all-systems{margin-top:20px;font-size:12px}.all-systems summary{cursor:pointer;color:var(--muted);padding:10px 0}.all-systems label{align-items:center;gap:8px;min-height:38px;display:flex}.all-systems input{accent-color:var(--teal)}.all-systems i{border-radius:50%;width:6px;height:6px}.featured-journey{text-align:left;align-items:center;gap:13px;margin:0 20px;padding:19px 0;display:flex;border-top:1px solid var(--line)!important}.featured-journey>svg{color:var(--teal)}.featured-journey strong{font-size:13px;font-weight:500;display:block}.featured-journey small{color:var(--teal);align-items:center;gap:7px;margin-top:5px;font-size:12px;display:flex}.journey-row{text-align:left;align-items:center;gap:12px;width:100%;padding:20px 0;display:flex;border-bottom:1px solid var(--line)!important}.journey-row>svg:first-child{color:var(--teal)}.journey-row span{flex:1}.journey-row strong{font-size:13px;font-weight:500;display:block}.journey-row small{color:var(--muted);margin-top:5px;font-size:11px;display:block}.empty-state{color:var(--muted);padding:30px 0}.empty-state svg{color:var(--teal)}.empty-state h2{color:var(--ink);margin:14px 0 8px;font-size:19px}.empty-state p,.empty-copy{font-size:13px}.empty-copy{color:var(--muted);padding-top:18px}.mobile-mri-link{align-items:center;gap:6px;padding-top:25px;display:flex;color:var(--teal)!important;font-size:12px!important}.atlas-stage{min-width:0;min-height:0;position:relative}.atlas-app .scene{position:absolute;inset:0 0 120px;overflow:hidden}.atlas-app .scene canvas{touch-action:none;width:100%;height:100%;display:block}.stage-label{color:var(--muted);text-transform:capitalize;pointer-events:none;justify-content:center;align-items:center;gap:7px;font-size:11px;display:flex;position:absolute;bottom:113px;left:8px;right:8px}.teal-dot{background:var(--teal);border-radius:50%;width:5px;height:5px}.scene-tools{background:var(--surface);border:1px solid var(--line);border-radius:10px;align-items:center;gap:13px;width:max-content;max-width:100%;padding:12px 14px;display:flex;position:absolute;bottom:35px;left:50%;transform:translate(-50%);box-shadow:0 2px 5px #142b2010}.scene-tools nav{align-items:center;gap:3px;display:flex}.scene-tools nav button{border-radius:5px;justify-content:center;align-items:center;min-width:37px;height:36px;padding:0 9px;font-size:11px;display:flex}.scene-tools button[aria-pressed=true]{color:var(--teal);background:var(--tint)}.explode-field{border-left:1px solid var(--line);align-items:center;gap:8px;padding-left:12px;font-size:11px;display:flex}.explode-field input{width:75px;accent-color:var(--teal);cursor:pointer}.explode-field output{width:27px;color:var(--muted);font-variant-numeric:tabular-nums;font-size:10px}.stage-help{text-align:center;color:var(--muted);white-space:nowrap;font-size:10px;position:absolute;bottom:7px;left:0;right:0}.stage-help span{padding:0 5px}.scene-status{border:1px solid var(--line);white-space:nowrap;z-index:2;background:#ffffffef;border-radius:9px;align-items:center;gap:10px;padding:10px 16px;font-size:12px;display:flex;position:absolute;top:20px;left:50%;transform:translate(-50%)}.scene-status span:last-child{color:var(--muted);font-size:11px}.load-dot{background:var(--teal);border-radius:50%;width:7px;height:7px;animation:1s infinite alternate atlas-pulse}.scene-status.error{white-space:normal;max-width:90%;display:block;top:35%}.scene-status.error p{margin:8px 0 15px}.part-hover{pointer-events:none;border:1px solid var(--line);z-index:3;background:#fff;border-radius:6px;padding:8px 12px;font-size:12px;position:absolute;box-shadow:0 4px 15px #122b2510}.part-hover[hidden]{display:none}.inspector-heading{align-items:flex-start;gap:10px;padding:25px 22px 18px;display:flex}.inspector-heading>div:first-child{flex:1;min-width:0}.structure-system{color:var(--teal);font-size:12px;margin-bottom:7px!important}.inspector-heading h2{letter-spacing:-.8px;text-transform:capitalize;overflow-wrap:anywhere;font-size:25px;font-weight:600;line-height:1.2}.inspector-icons{flex-shrink:0;gap:0;display:flex}.inspector-icons button{align-items:center;min-height:32px;padding:3px;display:flex}.inspector-icons button[aria-pressed=true]{color:var(--teal)}.inspector-scroll{overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#cbd4d2 transparent;flex:1;padding:0 22px;overflow:auto}.inspector-scroll p{color:#536065;font-size:13px;line-height:1.85}.inspector-scroll h3{margin:23px 0 9px;font-size:13px;font-weight:600}.structure-summary{color:#344249!important;font-size:14px!important;line-height:1.85!important}.related-list{flex-direction:column;display:flex}.related-list button{text-transform:capitalize;text-align:left;min-height:44px;color:var(--teal);justify-content:space-between;align-items:center;gap:10px;font-size:13px;display:flex;border-bottom:1px solid var(--line)!important}.structure-pieces{margin-top:20px}.structure-pieces summary{cursor:pointer;color:var(--muted);padding:8px 0;font-size:12px}.structure-pieces button{text-align:left;justify-content:space-between;align-items:center;gap:8px;width:100%;min-height:38px;padding:6px 0;font-size:12px;display:flex}.source-note{color:var(--muted);padding:24px 0 16px;font-size:10px}.source-note a{color:var(--teal);align-items:center;gap:5px;margin-top:7px;display:flex}.inspector-actions{flex-direction:column;gap:9px;padding:18px 22px;display:flex}.primary-button,.secondary-button{text-align:center;border-radius:6px;justify-content:center;align-items:center;gap:10px;min-height:44px;padding:10px 14px;display:flex;font-size:12px!important;font-weight:500!important}.atlas-app .primary-button{background:var(--teal);color:#fff!important}.atlas-app .primary-button:hover{background:#216b63}.atlas-app .secondary-button{color:var(--teal);border:1px solid #b6d0ca}.secondary-button:hover{background:var(--tint)}.inspector-footer{text-align:center;border-top:1px solid #edf0ef;padding:13px 18px}.inspector-footer button{color:var(--muted);font-size:10px}.welcome-content{flex:1;padding:30px 24px;overflow:auto}.welcome-icon{background:var(--tint);color:var(--teal);border-radius:50%;margin-bottom:25px;padding:13px;display:inline-flex}.welcome-content h2{letter-spacing:-1px;max-width:240px;font-size:27px;font-weight:500;line-height:1.2}.welcome-content>p{color:var(--muted);margin:17px 0 24px;font-size:13px;line-height:1.9}.welcome-content>.primary-button{width:100%}.welcome-prompts{margin-top:32px}.welcome-prompts h3{letter-spacing:.03em;color:var(--muted);margin-bottom:12px;font-size:11px;font-weight:500}.welcome-prompts button{text-align:left;justify-content:space-between;align-items:center;gap:10px;width:100%;min-height:60px;font-size:13px;display:flex;border-bottom:1px solid var(--line)!important}.mri-invitation{border-top:1px solid var(--line);align-items:center;gap:10px;margin-top:25px;padding:15px 0;display:flex;color:var(--teal)!important}.mri-invitation span{flex:1}.mri-invitation strong{font-size:12px;font-weight:500;display:block}.mri-invitation small{color:var(--muted);font-size:10px}.lesson-panel{background:var(--tint);border:1px solid #d6e6e0;border-radius:8px;margin-bottom:20px;padding:14px}.lesson-top{color:var(--teal);align-items:center;gap:7px;font-size:11px;display:flex}.lesson-top span{flex:1}.lesson-top button{display:flex}.lesson-progress{gap:4px;margin:12px 0;display:flex}.lesson-progress span{background:#d4e3dc;border-radius:2px;flex:1;height:3px}.lesson-progress .done{background:var(--teal)}.lesson-panel p{font-size:12px!important;line-height:1.8!important}.lesson-controls{justify-content:space-between;align-items:center;margin-top:15px;display:flex}.lesson-controls button{min-height:36px;color:var(--teal);align-items:center;gap:4px;font-size:12px;display:flex}.lesson-controls small{color:var(--muted);font-size:10px}.quiz h3{margin:12px 0!important;font-size:13px!important}.quiz>button{text-align:left;background:#fff;border-radius:5px;justify-content:space-between;align-items:center;width:100%;margin:6px 0;padding:10px;display:flex;border:1px solid #c8dbd4!important;font-size:12px!important}.quiz>button.correct{background:#e0f1e9;border-color:var(--teal)!important}.quiz>button.incorrect{border-color:#bb8873!important}.quiz>p{margin-top:12px}.lesson-complete{color:var(--teal);flex-wrap:wrap;align-items:center;gap:8px;margin-top:15px;font-size:12px;display:flex}.lesson-complete button{align-items:center;gap:6px;width:100%;min-height:38px;font-size:12px;display:flex}.atlas-toast{color:#fff;z-index:50;background:#253d37;border-radius:8px;align-items:center;gap:10px;max-width:90vw;padding:12px 18px;font-size:12px;display:flex;position:fixed;bottom:24px;left:50%;transform:translate(-50%);box-shadow:0 8px 30px #213c3225}.atlas-about{color:var(--ink);border:1px solid var(--line);background:#fff;border-radius:16px;width:calc(100% - 32px);max-width:560px;max-height:85dvh;padding:34px;box-shadow:0 30px 100px #152d2925}.atlas-about::backdrop{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#152d294a}.atlas-about>svg{color:var(--teal)}.atlas-about h2{letter-spacing:-1px;margin:17px 0;font-size:29px;line-height:1.2}.atlas-about h3{margin:22px 0 10px;font-size:15px}.atlas-about p{color:var(--muted);margin:12px 0;font-size:13px;line-height:1.85}.dialog-close{min-width:40px;min-height:40px;position:absolute;top:17px;right:17px}.about-links{flex-direction:column;gap:12px;margin:22px 0;display:flex}.about-links a{color:var(--teal);align-items:center;gap:6px;font-size:13px;display:flex}.privacy-copy{font-size:11px!important}.rail-scrim{display:none}.rail-about{color:var(--muted);cursor:pointer;background:0 0;border:0;align-items:center;gap:8px;padding:16px 0;font-size:12px;display:flex}.mobile-explore{display:none}@media (width<=900px){.atlas-app .mobile-explore{z-index:3;border:1px solid var(--line);color:var(--teal);background:#fff;border-radius:7px;align-items:center;gap:8px;padding:10px 12px;font-size:12px;display:flex;position:absolute;top:8px;left:12px}}@keyframes atlas-pulse{to{opacity:.3}}.suite-nav{top:0;bottom:0}.system-preset,.structure-row strong{font-size:14px!important}.rail-tabs button,.header-actions button{font-size:14px}.structure-row small{font-size:12px}.welcome-content>p,.welcome-prompts button{font-size:14px}.scene-tools nav button,.explode-field{font-size:12px}.primary-button,.secondary-button{font-size:13px!important}@media (width>=1600px){.atlas-layout{grid-template-columns:300px minmax(300px,1fr) 340px;gap:24px;padding:24px}.explorer-intro{padding-top:30px}.welcome-content{padding:35px 30px}.inspector-heading{padding-top:30px}}@media (width<=1150px){.atlas-layout{grid-template-columns:240px minmax(200px,1fr) 270px;gap:10px;padding:10px}.explorer-intro{padding:20px 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.mobile-menu{display:flex}.header-actions button{justify-content:center;width:34px;min-height:44px}.atlas-layout{grid-template-rows:minmax(0,1fr);grid-template-columns:minmax(0,1fr);gap:8px;height:calc(100dvh - 64px);padding:8px}.atlas-layout.has-inspector{grid-template-rows:minmax(190px,1fr) minmax(200px,40%)}.explorer-rail{z-index:20;width:300px;max-width:85vw;display:none;position:fixed;top:72px;bottom:10px;left:10px;box-shadow:0 12px 40px #19372c20}.explorer-rail.is-open{display:flex}.rail-scrim{z-index:19;background:#19372c30;display:block;position:fixed;inset:64px 0 0}.inspector-rail.is-welcome{display:none}.inspector-rail.is-selected{grid-row:2}.atlas-stage{grid-row:1;min-height:0}.atlas-app .scene{bottom:98px}.stage-label{bottom:94px}.stage-help{font-size:9px;bottom:1px}.scene-tools{flex-direction:row;gap:7px;width:max-content;max-width:calc(100% - 8px);padding:8px;bottom:22px}.scene-tools nav button{min-width:32px;padding:0 7px}.explode-field{border-left:1px solid var(--line);gap:6px;padding-left:8px}.explode-field input{width:65px}.explode-field output{display:none}.inspector-heading{padding:14px 18px 10px}.inspector-heading h2{font-size:23px}.structure-system{font-size:10px;margin-bottom:4px!important}.inspector-icons button{justify-content:center;min-width:40px}.inspector-scroll{padding:0 18px}.inspector-actions{border-top:1px solid var(--line);flex-direction:row;padding:10px 16px}.inspector-actions>*{flex:1;gap:6px;min-height:42px;padding:8px;font-size:11px!important}.inspector-footer{display:none}.inspector-scroll h3{margin-top:14px}.inspector-scroll .structure-summary{font-size:13px!important}.atlas-search input{font-size:16px}.atlas-toast{width:max-content;bottom:16px}.lesson-panel{margin-bottom:14px;padding:12px}.has-inspector .stage-help,.header-actions>button:first-of-type{display:none}.atlas-about{padding:27px}.atlas-about h2{font-size:25px}}@media (width<=390px){.atlas-brand 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