@import url('./lake/fonts.css');
:root{font-family:'Nunito Sans',sans-serif;color:#101e43;background:#f4f1ff;font-synthesis:none;--ink:#101e43;--muted:#59658b;--purple:#6745f5;--lavender:#eee7ff;--teal:#14b8bb;--line:#dcd5f7;--paper:#fffcf7}
*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button,a,input,textarea,summary{-webkit-tap-highlight-color:transparent}button{color:inherit;cursor:pointer;border:0}button:disabled{cursor:default}a{color:#5130da;text-underline-offset:4px}button,input,textarea,summary,a{touch-action:manipulation}button{transition:transform .16s ease,box-shadow .16s ease,background .16s ease}button:not(:disabled):active{transform:translateY(2px) scale(.985)}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #155f9e;outline-offset:4px}h1:focus{outline:0}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.1;letter-spacing:-.035em;font-weight:900}p{line-height:1.5}h1{font-size:clamp(36px,4.4vw,68px)}h2{font-size:32px}h3{font-size:25px}.icon{width:24px;height:24px;object-fit:contain;flex-shrink:0;vertical-align:middle}.lumi{object-fit:contain;user-select:none;pointer-events:none}.skip-link{position:fixed;top:-60px;left:10px;z-index:100;background:white;padding:16px}.skip-link:focus{top:10px}.loading{padding:60px}.primary{display:inline-flex;justify-content:center;align-items:center;gap:18px;min-height:72px;padding:16px 28px;border-radius:999px;background:linear-gradient(#7955ff,#6240ed);color:white;font-size:25px;font-weight:800;box-shadow:inset 0 3px 0 #aa8eff,inset 0 -4px 0 #4c28ca,0 9px 21px #6b49dd36;border:2px solid #9673ff;line-height:1.2}.primary .icon{filter:brightness(0) invert(1);width:30px;height:30px}.primary:not(:disabled):hover{box-shadow:inset 0 3px 0 #baa3ff,inset 0 -4px 0 #4c28ca,0 12px 26px #6b49dd55;transform:translateY(-2px)}.primary:disabled{opacity:.5;box-shadow:none}.quiet{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;background:#f9f6fff2;border:1.5px solid #ded6fa;border-radius:28px;padding:11px 18px;font-weight:700;font-size:16px;box-shadow:0 3px 0 #8170be12}.quiet:not(:disabled):hover{background:#eee8ff}.quiet:disabled,.text-button:disabled{opacity:.45}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border:1.5px solid #ded6fa;border-radius:50%;background:#f6f2ff}.text-button{background:transparent;color:#5834e0;min-height:48px;padding:8px;font-weight:800;display:inline-flex;gap:8px;align-items:center}.text-link{display:inline-flex;gap:8px;align-items:center;color:#5f39e6;font-weight:800}.eyebrow{display:inline-flex;align-items:center;border-radius:99px;padding:10px 18px;background:#e9e0ff;color:#6341e6;font-size:13px;letter-spacing:.13em;text-transform:uppercase;font-weight:900;line-height:1.3}.muted,.fine-print{color:var(--muted)}.fine-print{font-size:14px;line-height:1.5}.centered{text-align:center}.lead{font-size:23px;line-height:1.45}.surface{padding:30px;border-radius:28px;background:#fffdfbf5;box-shadow:0 8px 36px #392e6a0b;border:1px solid white}
.app-header{height:80px;background:#f7f3fff5;border-bottom:1px solid #e9e3f8;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:10px 30px;position:relative;z-index:10;padding-top:max(10px,env(safe-area-inset-top))}.brand{display:flex;align-items:center;gap:10px;text-align:left;flex-shrink:0;background:transparent;padding:0;font-size:23px;font-weight:900;letter-spacing:-.04em;min-height:48px}.brand>img{width:48px;height:48px;border-radius:14px}.brand small{display:block;font-weight:600;font-size:14px;letter-spacing:0;color:#7978a0}.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}.steps{display:flex;align-items:center;gap:12px}.steps button{display:flex;align-items:center;gap:8px;background:transparent;padding:8px 0;min-height:48px;font-size:15px;white-space:nowrap}.step-dot{width:20px;height:20px;border:2px solid #aba5cb;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#fff;flex-shrink:0}.step-dot .icon{width:16px;height:16px}.steps [aria-current]{color:#6241ef;font-weight:900}.steps [aria-current] .step-dot{background:#7a55fc;border-color:#b29aff;box-shadow:0 0 0 3px white,0 0 0 5px #b39dff}.main-nav{display:flex;gap:12px}.main-nav button{min-height:48px;border-radius:24px;padding:10px 22px;background:transparent;font-weight:700;font-size:17px;display:flex;align-items:center;gap:8px}.main-nav button[aria-current]{background:#e8e0ff;color:#5c3cdb}.count{border-radius:50%;background:#6745f5;color:white;font-size:12px;min-width:21px;padding:2px}.home-page{max-width:1480px;margin:auto;padding:44px 54px 30px}.home-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:30px}.home-heading h1{font-size:clamp(36px,4vw,58px);margin:12px 0 10px}.home-heading h1 span{color:#7350e4}.home-heading p{font-size:20px;color:var(--muted)}.home-note{display:flex;align-items:center;gap:15px;font-size:16px;line-height:1.5}.home-note .icon{width:44px;height:44px}.dashboard-grid{display:grid;grid-template-columns:1fr 355px;gap:28px}.lesson-feature{position:relative;overflow:hidden;border-radius:34px;min-height:490px;background:url('./lake/assets/lake-environment.png') 44% 53%/cover;isolation:isolate;border:3px solid white;box-shadow:0 14px 35px #5a478f16}.feature-shade{position:absolute;inset:0;background:linear-gradient(90deg,#f4f1fff7 2%,#f4f1ffe8 37%,#f4f1ff12 80%);z-index:-1}.feature-content{position:relative;padding:42px 36px;max-width:70%}.feature-content h2{font-size:50px;margin:18px 0 13px}.feature-content>p{font-size:25px;font-weight:800;line-height:1.3}.tags{display:flex;flex-wrap:wrap;gap:7px;margin:20px 0 24px}.tags span{background:#ffffffb5;border:1px solid #fff;padding:6px 10px;border-radius:99px;font-size:12px;font-weight:800}.feature-content .primary{font-size:20px;min-height:62px;padding:13px 24px}.feature-foot{display:block;font-size:13px;margin-top:16px;color:#46537b}.feature-foot .icon{width:18px;height:18px}.home-lumi{position:absolute;width:38%;height:85%;right:-1%;bottom:0;filter:drop-shadow(0 12px 6px #32283c22);transform-origin:50% 90%;animation:lumi-breathe 5s ease-in-out infinite}.home-sidebar{display:flex;flex-direction:column;gap:20px}.article-preview{background:#fffdfb;border-radius:28px;overflow:hidden;text-align:left;padding:0 22px 22px;box-shadow:0 10px 35px #5a478f0b;border:1px solid white;flex:1}.article-preview>img{width:calc(100% + 44px);max-height:158px;object-fit:cover;margin-left:-22px;margin-bottom:17px}.article-preview .eyebrow{font-size:10px;padding:7px 12px}.article-preview h3{margin:10px 0}.article-preview p{color:#59658b;font-size:14px;margin-bottom:10px}.article-preview .text-link{font-size:14px}.atlas-preview{background:#ebe3ff;border-radius:26px;text-align:left;min-height:104px;display:flex;align-items:center;padding:20px;gap:15px}.atlas-preview>.icon:first-child{width:36px;height:36px}.atlas-preview small{display:block;margin-top:5px;font-size:12px;color:#5b5682}.atlas-preview>.icon:last-child{margin-left:auto}.learning-route{margin-top:32px;display:flex;justify-content:space-between;align-items:center;gap:30px}.learning-route h2{font-size:24px;letter-spacing:-.02em}.learning-route p{font-size:14px;color:var(--muted);max-width:340px;margin-top:8px}.learning-route ol{display:flex;list-style:none;padding:0;margin:0;gap:16px;flex:1;max-width:800px}.learning-route li{flex:1;background:#ffffff90;border:1px solid #e5def6;border-radius:22px;padding:14px;display:grid;grid-template-columns:30px 1fr;gap:6px 8px;font-size:14px}.learning-route li>span{grid-column:2;font-size:11px;color:var(--muted)}.learning-route li.current{background:#e4f7f2;border-color:#bfe5d9}.home-footer{margin-top:30px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:15px;font-size:12px;color:var(--muted)}.home-footer a{display:flex;align-items:center;gap:5px}.home-footer .icon{width:16px;height:16px}
.scene{position:relative;min-height:calc(100svh - 80px);background:url('./lake/assets/lake-environment.png') center/cover;isolation:isolate;padding-bottom:env(safe-area-inset-bottom)}.scene:before{content:'';position:absolute;inset:0;z-index:-1;pointer-events:none}.arrival{display:grid;grid-template-columns:64% 36%;overflow:hidden}.arrival:before{background:linear-gradient(90deg,transparent 48%,#f4f1ff55 60%,#f4f1fff7 70%,#f4f1ff 100%)}.arrival-world{position:relative;min-height:780px}.arrival-lumi{position:absolute;width:43%;height:52%;left:16%;top:22%;transform-origin:50% 95%;animation:lumi-breathe 6s ease-in-out infinite;filter:drop-shadow(0 9px 5px #302a3222)}.arrival-copy{padding:95px 30px 50px 0;display:flex;flex-direction:column;justify-content:center;align-items:stretch}.arrival-copy h1{font-size:clamp(48px,4.6vw,76px);white-space:nowrap;margin:22px 0 18px}.arrival-copy>.eyebrow{align-self:flex-start}.arrival-copy h2{font-size:30px;line-height:1.28;letter-spacing:-.02em;margin-bottom:23px}.arrival-copy>.lead{margin-bottom:34px}.speech{background:#fff3e9;border:2px solid white;border-radius:34px;padding:19px 25px;box-shadow:0 4px 0 #eeb58b70,0 10px 25px #87502e12;position:relative}.speech p{font-size:20px;line-height:1.35}.arrival-copy .speech{margin:0 12px 40px 92px}.avatar{position:absolute;left:-115px;bottom:-14px;width:128px;height:122px;object-fit:cover;object-position:50% 15%;clip-path:ellipse(49% 48%)}.arrival-copy>.primary{font-size:25px;padding:20px 18px;min-height:84px}.arrival-copy>.muted{font-size:17px;margin:18px 0}.arrival-atlas{display:flex;align-items:center;gap:18px;margin-top:55px;font-size:17px}.arrival-atlas .icon{width:46px;height:46px}.water-touch{position:absolute;bottom:15%;left:40%;z-index:2;background:#f4ffffee;border:3px solid white;box-shadow:0 0 0 10px #ffffff28,0 7px 20px #09494c28}.water-effects{position:absolute;bottom:16%;left:50%;height:20px;width:90px;border-radius:50%;border:3px solid #d4ffff;opacity:0;pointer-events:none}.water-effects.ripple{animation:water-ripple .7s ease-out}.scene-top{position:relative;text-align:center;padding:28px 30px 15px}.scene-top>.back{position:absolute;left:30px;top:22px}.scene-top h1{font-size:clamp(38px,4.5vw,64px)}.scene-top p{font-size:25px;font-weight:800;margin-top:8px}.prediction-scene:before{background:linear-gradient(#f4f1ff80,transparent 33%,transparent 75%,#171d3315)}.prediction-stage{display:flex;align-items:flex-end;gap:0;padding:5px 9% 0 2%;min-height:600px}.prediction-lumi{width:24%;position:relative;padding:0 0 40px;align-self:flex-end}.prediction-lumi .lumi{width:100%;max-height:360px;margin-bottom:0}.prediction-lumi .speech{font-size:18px;padding:16px 20px;margin-bottom:-25px;z-index:1}.prediction-lumi .speech p{font-size:19px}.chambers{display:grid;grid-template-columns:1fr 1fr;gap:70px;width:76%;align-items:end}.chamber{text-align:center;min-width:0}.condition-label{display:inline-flex;align-items:center;justify-content:center;gap:14px;background:#fffaf9f0;border:2px solid white;border-radius:99px;padding:13px 26px;font-size:23px;font-weight:800;min-height:61px;box-shadow:0 6px 20px #283a6d0c}.condition-label .icon{width:35px;height:35px}.light .condition-label .icon,.evidence-row:first-of-type>.icon{filter:invert(59%) sepia(99%) saturate(1321%) hue-rotate(349deg) brightness(100%)}.dark .condition-label .icon{filter:invert(28%) sepia(90%) saturate(3657%) hue-rotate(246deg)}.chamber-visual{position:relative;display:flex;justify-content:center;height:clamp(280px,44svh,470px);padding-top:7px}.chamber-visual>img{height:100%;max-width:100%;object-fit:contain;filter:drop-shadow(0 8px 6px #24303d24)}.cutaway{position:absolute;right:-22px;top:30%;padding:10px 14px;background:#fffcfff5;border-radius:18px;font-size:13px;line-height:1.3;box-shadow:0 3px 20px #343c3f10}.measurement{position:relative;margin:-12px auto 12px;background:#fffdfaf5;border:2px solid white;border-radius:23px;padding:8px 22px;display:table;font-size:25px;font-weight:800;box-shadow:0 4px 12px #52362d18}.measurement small{display:block;font-size:13px;font-weight:700}.measurement strong{font-size:32px}.direction-choices{display:flex;gap:9px;justify-content:center}.choice{flex:1;min-width:0;border:2px solid white;border-radius:24px;background:#faf7ffed;padding:13px 8px;box-shadow:0 5px 0 #c9bce5b3,0 7px 20px #351d5c17;font-size:18px;font-weight:900;min-height:92px;display:flex;flex-direction:column;align-items:center;gap:5px}.choice .icon{width:31px;height:31px}.choice.selected{background:linear-gradient(#805aff,#6443ef);color:white;box-shadow:0 0 0 3px #aa8cff,0 6px 0 #5036b7}.choice.selected .icon{filter:brightness(0) invert(1)}.choice:disabled{opacity:.72}.choice.selected:disabled{opacity:1}.model-note{display:flex;justify-content:center;gap:40px;padding:22px 30px 8px;font-size:15px;color:#243348;background:#fffcfabb;backdrop-filter:blur(5px);margin-top:16px}.model-note span{font-weight:800}.scene-footer{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:24px 32px 38px}.scene-footer .primary{min-width:410px}.hint-area.open{background:#fffaf5f5;border:2px solid white;border-radius:25px;display:flex;align-items:center;gap:10px;padding:15px;max-width:460px;box-shadow:0 5px 25px #3c316521}.hint-area.open p{font-size:16px;font-weight:700}.hint-avatar{width:65px;height:65px;object-fit:cover;object-position:top;border-radius:50%;background:#e7ddff}.hint-area .text-button{font-size:14px;min-height:38px;padding:3px 0}.experiment-scene{display:grid;grid-template-columns:60% 40%;overflow:hidden}.experiment-scene:before{background:linear-gradient(90deg,transparent 45%,#f4f1ff60 55%,#f4f1ffed 65%,#f4f1ff 100%)}.experiment-world{position:relative;display:flex;flex-direction:column;justify-content:center;padding:100px 24px 145px 23%;min-height:820px}.experiment-world>.back{position:absolute;left:25px;top:25px}.experiment-chambers{display:grid;grid-template-columns:1fr 1fr;gap:20px}.experiment-chambers .condition-label{font-size:19px;padding:10px 18px;min-height:54px;gap:9px}.experiment-chambers .condition-label .icon{width:29px;height:29px}.experiment-chambers .chamber-visual{height:clamp(270px,37svh,420px)}.experiment-chambers .measurement{font-size:20px;padding:9px 15px}.experiment-chambers .measurement strong{font-size:28px}.experiment-chambers .cutaway{right:-6px;top:21%;font-size:11px;padding:7px}.experiment-lumi{position:absolute;left:0;bottom:27%;width:29%;max-height:390px;filter:drop-shadow(0 8px 8px #1d302a25)}.experiment-bottom{position:absolute;bottom:45px;left:25px;right:20px;display:flex;gap:16px;align-items:center}.experiment-bottom .hint-area{flex:1}.prediction-note{display:flex;gap:12px;align-items:center;padding:18px;background:#ffeedd;border:2px solid white;border-radius:24px;font-size:16px;max-width:45%;box-shadow:0 3px 0 #f3cdb2}.prediction-note .icon{width:30px;height:30px}.experiment-panel{padding:42px 27px 35px 0;align-self:center}.experiment-panel h1{font-size:clamp(30px,2.8vw,43px);margin-bottom:12px}.experiment-panel>.lead{font-size:22px;margin-bottom:24px}.graph-card{background:#fffcffdb;border:1px solid white;border-radius:32px;padding:24px;box-shadow:0 8px 38px #6b54b40c}.graph-heading{display:flex;gap:10px;align-items:center;justify-content:space-between}.graph-heading h2{font-size:26px}.live-tag{font-size:10px;color:#64578c;border-radius:99px;background:#eee7ff;padding:7px 10px}.oxygen-chart{display:block;width:100%;height:auto;margin-top:18px;overflow:visible}.grid-line{stroke:#dcd6f2;stroke-width:1}.axis-label{font-family:'Nunito Sans',sans-serif;font-size:16px;fill:#303d62}.chart-line{fill:none;stroke-width:4;stroke-linecap:round}.chart-line.light{stroke:#7950f6}.chart-line.dark{stroke:#11a8b4;stroke-dasharray:10 7}.chart-dot{stroke:white;stroke-width:2}.chart-dot.light{fill:#7950f6}.chart-dot.dark{fill:#11a8b4}.graph-legend{display:flex;gap:12px;font-size:15px;margin:5px 0 20px}.graph-legend>span{display:flex;gap:7px;align-items:center;border-radius:12px;padding:8px 12px;flex:1}.graph-legend .light{background:#ede6ff}.graph-legend .dark{background:#d9f7f5}.graph-legend strong{margin-left:auto;font-size:18px}.graph-legend .icon{width:21px;height:21px}.timeline-label{display:flex;justify-content:space-between;font-size:14px;font-weight:700}#timeline{width:100%;height:48px;accent-color:#7651f4;cursor:ew-resize;margin:0}#timeline:disabled{cursor:default}.playback{display:flex;gap:8px;flex-wrap:wrap;margin-top:5px}.playback .quiet{font-size:13px;padding:9px 13px}.playback .text-button{font-size:12px;margin-left:auto;padding:4px}.playback .icon{width:20px;height:20px}.data-table{font-size:13px;margin-top:12px;color:#4c587b}.data-table summary{min-height:32px;display:list-item;padding:5px;cursor:pointer}.data-table table{width:100%;border-collapse:collapse;margin-top:10px;text-align:center}.data-table th,.data-table td{padding:6px;border-bottom:1px solid #e4dcf5}.data-table caption{padding:8px}.sensor-target{position:absolute;bottom:18%;left:50%;transform:translateX(-50%);display:flex;align-items:center;justify-content:center;gap:4px;border-radius:18px;min-height:48px;background:#fefbffed;border:2px solid #9673ff;padding:8px 12px;font-size:12px;white-space:nowrap;box-shadow:0 3px 10px #131c5b33}.sensor-target:not(:disabled):active{transform:translateX(-50%) scale(.97)}.sensor-target.connected{background:#e4f8ed;border-color:#8fcfaf}.sensor-target.ready{animation:target-pulse 1.3s ease-in-out infinite}.sensor-tray{display:flex;align-items:center;gap:14px;margin:18px 0}.sensor-tray>span{font-size:13px;line-height:1.4;color:var(--muted)}.sensor-tray .quiet{font-size:14px;flex-shrink:0;touch-action:none}.sensor-tray .selected{background:#e4d9ff;border-color:#9468ff}.sensor-ghost{position:fixed;z-index:100;pointer-events:none;transform:translate(-50%,-50%);box-shadow:0 8px 30px #2c245366}.experiment-panel>.primary{width:100%;margin-top:24px;font-size:25px}.experiment-panel>.fine-print{margin-top:17px}
.question-scene{padding:25px 5% 40px}.question-scene:before{background:#f4f1ff96;backdrop-filter:blur(5px)}.question-scene>.back{margin-bottom:18px}.question-layout{max-width:1160px;margin:auto;display:grid;grid-template-columns:1.5fr 1fr;gap:60px;align-items:center}.question-card{background:#fffcfff5;border:2px solid white;border-radius:34px;padding:30px;box-shadow:0 12px 45px #49326c0b}.question-card h1{font-size:39px;margin:15px 0 12px}.question-card .lead{font-size:18px;margin-bottom:20px}.question-card fieldset{padding:0;border:0;margin:20px 0}.question-card legend{font-weight:900;font-size:18px;line-height:1.4;margin-bottom:10px}.answer{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:52px;padding:12px 16px;border:2px solid #e0d9f2;border-radius:17px;text-align:left;background:#faf7ff;font-size:16px;width:100%;margin:7px 0;box-shadow:0 3px 0 #e9e2f5}.answer.selected{border-color:#9770f7;background:#eee5ff;box-shadow:0 3px 0 #c9b0f4}.answer .icon{width:21px;height:21px}.field-label{display:flex;justify-content:space-between;align-items:center;gap:10px;font-weight:800;font-size:15px;margin-bottom:8px}.field-label span{font-size:12px;font-weight:600;color:var(--muted)}textarea,input[type=text],#atlas-question{display:block;width:100%;border:1.5px solid #d4c7e8;background:#fffdfb;border-radius:13px;padding:12px;resize:vertical;color:var(--ink);line-height:1.5;font-size:16px;min-height:48px}.question-actions{display:flex;align-items:center;gap:15px;margin-top:20px}.question-actions .primary,.question-card>.primary{font-size:20px;min-height:62px}.question-companion>.lumi{width:100%;max-height:450px}.question-companion .hint-area{margin:0 auto 20px}.question-companion .speech{margin-top:10px}.evidence-mini{display:flex;flex-direction:column;gap:12px;background:#fffffff0;border-radius:25px;padding:20px;margin-top:20px}.evidence-mini span{display:flex;align-items:center;gap:10px}.evidence-mini strong{margin-left:auto}.evidence-mini small{color:var(--muted);text-align:center}.explanation-scene{display:grid;grid-template-columns:58% 42%;gap:0;padding:28px 32px 30px}.explanation-scene:before{background:#eef0ff5c;backdrop-filter:blur(3px)}.process-section{padding-right:25px}.process-section>h1{font-size:clamp(36px,3.7vw,57px);margin:17px 0 25px}.process-card{background:#fffaf5ec;border:2px solid white;border-radius:32px;padding:14px;box-shadow:0 6px 0 #f9dcca}.process-row{display:grid;grid-template-columns:40% 60%;gap:0;align-items:center;background:#ffffff80;border-radius:24px;padding:12px 5px;margin-bottom:9px}.process-row:last-child{margin-bottom:0}.process-specimen{position:relative;display:flex;flex-direction:column;align-items:center}.process-specimen>.condition-label{font-size:18px;padding:8px 15px;min-height:46px;gap:10px;z-index:1}.process-specimen .condition-label .icon{width:25px;height:25px}.process-specimen>img{max-height:195px;max-width:100%;margin-top:-3px;object-fit:contain}.process-copy{padding:10px 8px}.process-equation{display:flex;align-items:center;gap:7px;margin-bottom:16px;font-size:16px}.process-equation>.icon{width:24px;height:24px}.token{display:inline-flex;align-items:center;justify-content:center;border-radius:99px;padding:11px 13px;font-weight:800;line-height:1.3;font-size:16px}.violet{background:#6d49f7;color:white;box-shadow:0 4px 8px #6c47ed38}.teal{background:#14bcb9;color:#053f47;box-shadow:0 4px 8px #14bcb926}.pale{background:#ece5ff}.pale-teal{background:#d5f7f2;white-space:nowrap}.muted-token{background:#dcd9ea;color:#5b6380}.process-copy>p{font-size:17px;margin-top:8px}.explanation-feedback{display:flex;align-items:center;height:220px}.feedback-lumi{width:32%;height:235px;align-self:flex-end}.explanation-feedback .speech{max-width:65%;padding:16px 21px}.explanation-feedback .speech p{font-size:18px}.article-section{display:flex;flex-direction:column;justify-content:center;gap:22px;padding:10px 0}.article-card{background:#faf7ffed;border-radius:30px;padding:26px;border:1.5px solid white;box-shadow:0 10px 40px #2536790c}.article-card h2{font-size:clamp(29px,2.6vw,40px);margin:22px 0 19px}.article-art{width:100%;max-height:255px;object-fit:cover;border-radius:19px}.article-card>p{font-size:18px;margin-top:15px;line-height:1.5}.glossary{border-radius:14px;background:#ebe4ff;padding:0 14px;margin-top:17px;font-size:14px}.glossary summary{padding:13px 0;cursor:pointer;min-height:48px;font-weight:800}.glossary p{padding:4px 0 15px}.article-source{display:flex;justify-content:space-between;gap:10px;border-top:1px solid #d7cff0;margin-top:20px;padding-top:16px;font-size:13px;color:#65648f}.article-card>p.fine-print{font-size:13px;color:#66618b}.article-section>.primary{font-size:23px}.balance-facts{display:grid;grid-template-columns:1fr 1fr;gap:12px}.balance-facts>div{display:flex;align-items:center;gap:12px;background:#eee6ff;padding:17px;border-radius:18px;font-size:13px}.balance-facts>div:last-child{background:#dff5f0}.balance-facts .icon{width:28px;height:28px}.balance-facts strong{display:block;font-size:24px}.balance-facts+.fine-print{margin-top:10px}.two-answers{display:flex;gap:10px}.transfer-result{padding:24px 0}.transfer-result h2{font-size:29px}.transfer-result p{margin-top:15px}.balance-result{font-size:42px;font-weight:900;background:#e9f7ef;border-radius:23px;padding:20px;text-align:center;margin:22px 0;color:#14584f}.balance-result>span{font-size:14px;display:block;font-weight:600}.status-chip{display:table;padding:8px 14px;border-radius:99px;background:#ece5ff;font-size:14px}
.atlas-scene{padding:22px 25px 35px}.atlas-scene:before{background:#eef0ff2b;backdrop-filter:blur(2px)}.atlas-heading{text-align:center;position:relative}.atlas-heading>.back{position:absolute;left:0;top:5px}.atlas-heading h1{font-size:clamp(37px,4.2vw,64px);padding:10px 20px}.atlas-heading>p{font-size:27px;font-weight:800}.atlas-layout{display:grid;grid-template-columns:26% 74%;align-items:end;max-width:1480px;margin:20px auto 0}.atlas-companion .lumi{width:100%;max-height:450px}.atlas-companion .speech{max-width:230px;margin:0 auto -10px;text-align:center;padding:18px}.notebook{display:grid;grid-template-columns:1fr 1fr;gap:7%;background:url('./lake/assets/notebook.png') center/100% 100% no-repeat;padding:6% 6.5% 7%;min-height:610px;position:relative}.notebook-page{min-width:0;padding:6px 0}.notebook-page>h2{font-size:31px;margin-bottom:18px}.specimen-photo{height:215px;background:url('./lake/assets/lake-environment.png') center/cover;border:8px solid white;box-shadow:0 5px 9px #70583936;display:flex;justify-content:center;gap:20px;padding:14px;transform:rotate(-2deg);margin-bottom:24px}.specimen-photo>img{height:100%;max-width:45%;object-fit:contain}.evidence-row{display:flex;gap:7px;align-items:center;min-height:52px;padding:10px 12px;border:1px solid #e8ddcf;border-radius:13px;background:#ffffffa6;margin:9px 0;font-weight:800;font-size:15px}.evidence-row .icon{width:25px;height:25px}.evidence-row strong{margin-left:auto;white-space:nowrap}.evidence-row strong span{color:#008e84}.evidence-row small{font-size:11px}.atlas-stamp{display:flex;justify-content:center;align-items:center;gap:14px;border:2px solid #a288e2;color:#6745be;background:#f8f3ffa1;border-radius:24px;padding:10px;font-size:14px;margin-top:16px}.atlas-stamp .icon{width:42px;height:42px}.entry-block{display:block;border-radius:16px;padding:14px 16px;margin-bottom:13px}.entry-block strong{font-size:17px}.entry-block p{font-size:15px;margin-top:5px}.forecast{background:#eee8fbe8}.conclusion{background:#ffeaddc7}.conclusion textarea{margin-top:8px;background:#fff8efb3;font-size:15px;padding:8px;border-color:#e3cdbb;min-height:106px}.work-evidence{border-top:1px solid #b9b6c3;padding-top:9px;margin:17px 0 12px}.work-evidence summary{min-height:48px;display:flex;align-items:center;justify-content:space-between;font-size:15px;font-weight:800;cursor:pointer}.work-evidence p{font-size:14px;margin:8px 0}.work-evidence[open] summary .icon{transform:rotate(90deg)}.question-label{display:flex;align-items:center;gap:8px;font-size:14px;color:#5644aa;margin-bottom:8px}.question-label .icon{width:21px;height:21px}#atlas-question{font-size:13px;padding:10px}.atlas-bottom{display:flex;justify-content:flex-end;align-items:center;gap:22px;max-width:1440px;margin:0 auto;flex-wrap:wrap}.atlas-bottom>span:first-child{display:flex;align-items:center;gap:8px;background:#fffdf3eb;border-radius:99px;padding:13px 18px;font-size:15px;max-width:50%}.atlas-bottom>.primary{font-size:23px;min-width:310px}.atlas-bottom>.fine-print{width:100%;text-align:right;font-size:12px}.library-page{max-width:1240px;margin:auto;padding:45px 45px 70px}.library-heading{margin-bottom:36px}.library-heading h1{margin:17px 0;font-size:50px}.library-heading>p{color:var(--muted);font-size:20px}.article-library{display:grid;grid-template-columns:1.15fr 1fr;gap:45px}.article-connection>.lumi{width:100%;height:340px}.article-connection .surface>p{margin:20px 0}.article-connection .primary{font-size:19px;min-height:60px;width:100%}.article-connection>.text-link{margin:25px 10px;font-size:15px}.saved-entry,.empty-atlas{display:grid;grid-template-columns:38% 62%;align-items:center;gap:30px;max-width:1000px}.saved-art .lumi,.empty-atlas>.lumi{width:100%;max-height:520px}.saved-entry .surface h2{font-size:38px;margin:18px 0}.saved-entry blockquote{font-size:24px;line-height:1.5;margin:18px 0;color:#3c3c67}.saved-entry .surface p{margin:15px 0}.saved-entry .primary,.empty-atlas .primary{font-size:20px;margin-top:18px}.empty-atlas p{font-size:20px;margin:20px 0}.empty-atlas h2{font-size:38px}#toast{position:fixed;bottom:max(24px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);z-index:50;background:#142e43;color:white;box-shadow:0 12px 30px #0e1f4344;border-radius:22px;padding:16px 23px;width:max-content;max-width:min(90vw,620px);font-size:16px;line-height:1.4}dialog{color:var(--ink);border:1px solid white;border-radius:30px;padding:36px;max-width:600px;width:90%;background:#f7f3ff;box-shadow:0 20px 80px #18234755}dialog::backdrop{background:#20224166;backdrop-filter:blur(4px)}dialog h2{font-size:33px;margin:25px 0 18px}dialog p{margin:15px 0}dialog .eyebrow{max-width:85%;font-size:11px}.close-dialog{position:absolute;right:16px;top:16px}.entering{animation:scene-in .28s ease-out}
@keyframes scene-in{from{opacity:.5;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes lumi-breathe{0%,100%{transform:rotate(-.5deg) translateY(0)}50%{transform:rotate(.6deg) translateY(-4px)}}@keyframes target-pulse{0%,100%{box-shadow:0 0 0 0 #a486ff44}50%{box-shadow:0 0 0 8px #a486ff33}}@keyframes water-ripple{0%{opacity:.9;transform:scale(.5)}100%{opacity:0;transform:scale(5)}}
@media(min-width:1700px){.scene{max-width:1800px;margin:auto;min-height:1000px}.home-page{padding-top:60px}.arrival-copy{padding-right:60px}.prediction-stage{padding-left:4%;padding-right:13%}.chamber-visual{height:480px}}
@media(max-width:1200px){.app-header{gap:12px;padding-left:18px;padding-right:18px}.brand{font-size:20px}.brand>img{width:40px;height:40px}.steps{gap:10px}.steps button{font-size:13px;gap:6px}.header-actions{gap:7px}.exit{font-size:13px;padding:10px 12px}.home-page{padding:30px}.dashboard-grid{grid-template-columns:1fr 300px;gap:20px}.home-note{display:none}.feature-content{max-width:77%;padding:35px 27px}.feature-content h2{font-size:42px}.feature-content>p{font-size:23px}.home-lumi{right:-6%;width:40%}.learning-route{flex-direction:column;align-items:stretch;gap:20px}.learning-route ol{max-width:none}.learning-route p{max-width:none}.arrival{grid-template-columns:58% 42%}.arrival:before{background:linear-gradient(90deg,transparent 40%,#f4f1ff60 48%,#f4f1fff7 61%,#f4f1ff 100%)}.arrival-copy{padding:65px 25px 40px 0}.arrival-copy h1{font-size:54px}.arrival-copy h2{font-size:25px}.arrival-copy>.lead{font-size:22px}.arrival-copy>.primary{font-size:21px;min-height:74px}.arrival-atlas{margin-top:30px;font-size:15px}.arrival-lumi{width:55%;left:8%;top:24%}.prediction-stage{padding-right:7%;padding-left:1%;min-height:550px}.chambers{gap:38px}.prediction-lumi{width:21%}.chambers{width:79%}.condition-label{font-size:20px}.choice{font-size:16px;min-height:84px}.experiment-scene{grid-template-columns:55% 45%}.experiment-world{padding-left:15%;padding-top:130px}.experiment-lumi{width:24%;bottom:24%}.experiment-chambers{gap:12px}.experiment-chambers .condition-label{font-size:16px;padding:8px 12px}.experiment-bottom{flex-wrap:wrap;bottom:28px}.prediction-note{max-width:none;font-size:13px;padding:12px}.experiment-panel{padding-right:20px}.graph-card{padding:20px}.graph-heading{flex-wrap:wrap}.graph-heading h2{font-size:24px}.experiment-panel h1{font-size:34px}.explanation-scene{grid-template-columns:56% 44%;padding:22px}.process-section{padding-right:18px}.process-section>h1{font-size:39px}.process-copy{padding:5px}.token{font-size:12px;padding:9px 10px}.process-equation{font-size:13px;gap:5px}.process-equation>.icon{width:18px}.process-copy>p{font-size:15px}.process-specimen>img{max-height:170px}.article-card{padding:22px}.article-card>p{font-size:16px}.article-section>.primary{font-size:20px}.atlas-layout{grid-template-columns:19% 81%}.notebook{min-height:590px;padding:6% 6% 7%;gap:7%}.notebook-page>h2{font-size:27px}.entry-block{padding:12px}.entry-block p{font-size:14px}.evidence-row{font-size:13px;padding:9px;gap:6px}.specimen-photo{height:190px;gap:8px}.atlas-companion .speech{padding:14px}.atlas-companion .speech p{font-size:17px}.question-layout{gap:30px;grid-template-columns:1.6fr 1fr}.question-card{padding:25px}.question-card h1{font-size:35px}.question-actions{flex-wrap:wrap}}
@media(max-width:950px){.app-header{height:auto;min-height:80px;flex-wrap:wrap;padding:10px 18px}.steps{order:3;width:100%;justify-content:center;gap:24px;padding:7px 0 3px}.steps button{font-size:14px}.main-nav{gap:0}.main-nav button{font-size:14px;padding:10px 12px}.scene{min-height:calc(100svh - 80px)}.arrival{grid-template-columns:52% 48%}.arrival-world{min-height:700px}.arrival-copy{padding-top:50px}.arrival-copy h1{font-size:47px}.arrival-copy h2{font-size:24px}.arrival-copy>.lead{font-size:20px}.arrival-copy .speech{margin-left:80px}.arrival-copy .speech p{font-size:17px}.arrival-atlas{margin-top:20px}.arrival-lumi{width:72%;left:1%;top:23%}.scene-top>.back{position:static;margin:0 auto 15px}.scene-top h1{font-size:45px}.scene-top p{font-size:21px}.prediction-stage{padding:0 6% 0 2%;min-height:460px}.prediction-lumi{width:20%;padding-bottom:70px}.prediction-lumi .speech{padding:12px;border-radius:22px}.prediction-lumi .speech p{font-size:14px}.chambers{width:80%;gap:30px}.chamber-visual{height:340px}.cutaway{right:-15px;padding:6px;font-size:11px}.choice{font-size:14px;border-radius:20px;min-height:80px}.scene-footer .primary{min-width:320px;font-size:22px}.model-note{font-size:13px;gap:20px}.experiment-scene{grid-template-columns:1fr}.experiment-world{min-height:580px;padding:80px 13% 120px 23%}.experiment-chambers .chamber-visual{height:305px}.experiment-lumi{width:23%;bottom:18%}.experiment-bottom{bottom:10px;flex-wrap:nowrap}.experiment-panel{background:#f4f1ffed;padding:28px 8%;display:grid;grid-template-columns:1fr;justify-items:stretch}.experiment-panel h1{font-size:38px}.graph-card{max-width:660px;width:100%;justify-self:center}.experiment-panel>.primary{max-width:660px;justify-self:center}.experiment-panel>.fine-print{text-align:center}.sensor-tray{justify-content:center}.experiment-scene:before{background:transparent}.explanation-scene{grid-template-columns:1fr;gap:20px;padding:25px 5%}.process-section{padding-right:0}.process-section>h1{font-size:44px}.process-row{grid-template-columns:36% 64%;padding:10px 20px}.process-specimen>img{max-height:195px}.token{font-size:18px;padding:11px 16px}.process-equation{font-size:17px;gap:10px}.process-copy>p{font-size:19px}.explanation-feedback{height:180px}.feedback-lumi{height:190px;width:23%}.article-section{padding-top:0}.article-card h2{font-size:37px}.article-card>p{font-size:19px}.article-art{max-height:330px}.article-section>.primary{align-self:center;font-size:23px}.question-layout{grid-template-columns:1fr}.question-companion{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:20px}.question-companion>.lumi{max-width:210px;max-height:250px}.question-companion .hint-area{max-width:350px;margin:0}.evidence-mini{margin:0}.question-card h1{font-size:40px}.question-actions .primary{flex:1}.atlas-companion{display:none}.atlas-layout{grid-template-columns:1fr}.atlas-heading>.back{position:static}.atlas-heading h1{font-size:44px}.notebook{min-height:600px}.atlas-bottom{justify-content:center;margin-top:12px}.atlas-bottom>.fine-print{text-align:center}.article-library{gap:25px}.library-page{padding:30px}.library-heading h1{font-size:44px}.article-connection>.lumi{height:280px}.article-connection .surface{padding:22px}.article-connection h2{font-size:28px}}
@media(max-width:700px){.app-header{padding:10px 14px}.brand{font-size:20px;gap:7px}.brand small{font-size:12px}.brand>img{width:40px;height:40px}.header-actions .quiet{min-width:44px;padding:10px}.header-actions .install span{display:none}.header-actions .icon-button{width:44px;height:44px}.exit{font-size:12px;max-width:105px;line-height:1.2}.main-nav{order:3;width:100%;justify-content:center;border-top:1px solid #e4dcef;padding-top:7px}.main-nav button{flex:1;font-size:14px;min-height:44px}.steps{gap:0;justify-content:space-between;padding-top:10px;border-top:1px solid #e4dcef}.steps button{flex-direction:column;gap:5px;font-size:11px;padding:3px;min-height:46px}.step-dot{width:16px;height:16px}.step-dot .icon{width:12px;height:12px}.steps [aria-current] .step-dot{box-shadow:0 0 0 2px white,0 0 0 4px #b39dff}.home-page{padding:26px 18px 28px}.home-heading{margin-bottom:22px}.home-heading h1{font-size:38px;line-height:1.08;margin-top:13px}.home-heading h1 span{display:block}.home-heading p{font-size:16px;max-width:290px}.eyebrow{font-size:11px;padding:8px 13px}.dashboard-grid{grid-template-columns:1fr;gap:20px}.lesson-feature{min-height:460px;border-radius:28px;background-position:40% center}.feature-content{padding:28px 21px 24px;max-width:none;position:relative}.feature-content h2{font-size:39px;max-width:66%;margin:18px 0 14px}.feature-content>p{font-size:21px;max-width:65%}.home-lumi{right:-4%;width:45%;height:70%;bottom:60px}.feature-shade{background:linear-gradient(90deg,#f4f1fff7,#f4f1ffd9 38%,#f4f1ff00 100%)}.tags{max-width:65%;margin:18px 0 38px}.tags span{font-size:11px;padding:5px 9px}.feature-content>.primary{width:100%;font-size:19px;min-height:63px}.feature-foot{font-size:11px;text-align:center}.home-sidebar{display:grid;grid-template-columns:1fr;gap:15px}.article-preview{padding:0 20px 20px}.article-preview>img{width:calc(100% + 40px);margin-left:-20px;max-height:185px}.article-preview h3{font-size:28px}.article-preview h3 br{display:none}.article-preview p{font-size:15px}.article-preview .text-link{font-size:15px}.atlas-preview{min-height:95px}.learning-route{margin-top:28px}.learning-route h2{font-size:23px}.learning-route ol{flex-direction:column;gap:10px}.learning-route li{grid-template-columns:34px 1fr;padding:14px 18px;font-size:15px}.learning-route li>span{font-size:12px}.home-footer{font-size:11px;flex-direction:column;gap:13px}.arrival{display:flex;flex-direction:column;overflow:hidden}.arrival:before{display:none}.arrival-world{min-height:0;height:330px;background:url('./lake/assets/lake-environment.png') 34% 55%/cover}.arrival-lumi{width:47%;height:88%;top:4%;left:10%}.water-touch{left:auto;right:4%;bottom:11%;font-size:12px;min-height:46px;padding:9px 12px;box-shadow:0 0 0 5px #ffffff28}.water-touch .icon{width:21px;height:21px}.water-effects{left:70%;bottom:16%}.arrival-copy{position:relative;background:#f4f1ff;border-radius:33px 33px 0 0;margin-top:-20px;padding:27px 24px 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