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@media(max-width:760px){.guided-footer{grid-template-columns:minmax(0,1fr);gap:10px}.explain-toggle{min-height:48px}.guided-navigation-slot .button{width:100%}.lesson-analogy{grid-template-columns:1fr}.lesson-analogy img{max-width:280px;justify-self:center}.lesson-explain-card{padding:14px}.worksheet-percentages{gap:6px}.worksheet-percentages>div{padding:8px;font-size:13px}.worksheet-percentages span{font-size:12px}.polished-cycle{padding:10px}.cycle-process{grid-template-columns:1fr;padding:12px}.cycle-process-art{max-width:250px;justify-self:center;width:100%}.cycle-materials{gap:6px}.cycle-transfer{padding:8px}.cycle-route{font-size:11px}.cycle-molecule{padding:7px;font-size:13px}}
@media(prefers-reduced-motion:reduce){.cycle-direction{animation:none!important}}
.guided-navigation-slot .button{font-family:"Manrope",system-ui,sans-serif}
.worksheet-answers{display:grid;gap:10px;margin:16px 0 20px}.worksheet-answer{background:#eef9fc;border:1px solid #d3e9ee;border-radius:14px;padding:14px 16px;min-width:0}.guided-standard .worksheet-answer h3{font-family:"Manrope",system-ui,sans-serif;font-size:15px;line-height:1.5;color:#27546a;margin:0 0 6px}.worksheet-answer-text{font-size:clamp(18px,1.5vw,21px);font-weight:650;line-height:1.5;margin:0;overflow-wrap:anywhere}
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.cycle-overview-host{background:#fff;border:1px solid #d5e3ee;border-radius:22px;padding:clamp(16px,3vw,28px);margin:20px 0 28px;scroll-margin-top:85px;min-width:0}.cycle-overview h2{font-family:"Manrope",system-ui,sans-serif;font-size:clamp(24px,2.3vw,34px);line-height:1.25;margin:10px 0}.cycle-overview>p{line-height:1.6}.cycle-overview-controls{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.cycle-overview-controls button,[data-cycle-start],.cycle-return{min-height:44px;white-space:normal;font-family:"Manrope",system-ui,sans-serif}.cycle-overview-controls [aria-pressed="true"]{background:#078895;color:#fff;border-color:#078895}.cycle-return{margin-bottom:14px}.cycle-overview-visual{min-width:0}.cycle-overview.calm *{animation:none!important;transition:none!important}.cycle-overview.calm .cycle-particle,.cycle-overview.calm .energy-particle{display:none}.cycle-overview .cycle-to-respiration .cycle-direction{animation:cycle-down 1.8s ease-in-out 3}.cycle-overview .cycle-to-photosynthesis .cycle-direction{animation:cycle-up 1.8s ease-in-out 3}@keyframes cycle-down{50%{transform:translateY(7px);opacity:.5}}@keyframes cycle-up{50%{transform:translateY(-7px);opacity:.5}}
@media(max-width:760px){.cycle-overview-host{padding:14px;border-radius:18px}.cycle-overview-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.cycle-overview-controls .button{font-size:13px;padding:10px}.cycle-overview [data-cycle-start]{width:100%}}
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.polished-cycle.connected-cycle{padding:16px;background:#f7fbfd}.connected-cycle-diagram{display:block;width:100%;height:auto;background:#fff;border-radius:16px;overflow:hidden}.connected-cycle-diagram text{font-family:"Manrope",system-ui,sans-serif;text-anchor:middle;fill:#19334c}.connected-cycle-diagram .connected-cycle-label{font-size:38px!important;font-weight:800}.connected-cycle-diagram .connected-process-title{font-size:32px!important;font-weight:800}.connected-cycle-diagram .connected-place{font-size:30px!important;font-weight:650}.connected-cycle-diagram .connected-formula{font-size:30px!important}.connected-cycle-diagram .connected-material-arrow{fill:none;stroke:#087e8b;stroke-width:9}.connected-cycle-diagram .connected-energy-arrow{fill:none;stroke:#b78b13;stroke-width:6}.connected-cycle-diagram .cycle-moving-cargo{offset-rotate:0deg;offset-distance:25%;animation:connected-cargo-travel 8s linear 3;filter:drop-shadow(0 1px 3px #ffffff)}.cycle-moving-cargo text{font-size:24px!important;text-anchor:start;font-weight:800;paint-order:stroke;stroke:#fff;stroke-width:6px;stroke-linejoin:round}.cargo-to-respiration{offset-path:path('M235 320C25 350 25 620 235 665')}.cargo-to-photosynthesis{offset-path:path('M665 665C875 620 875 350 665 320')}.connected-cycle-diagram .cargo-delayed{animation-delay:-4s;offset-distance:75%}@keyframes connected-cargo-travel{from{offset-distance:0%}to{offset-distance:100%}}
@media(max-width:760px){.polished-cycle.connected-cycle{padding:8px}.connected-cycle h3{font-size:18px}.connected-cycle .cycle-caption{font-size:15px}}
@media(prefers-reduced-motion:reduce){.connected-cycle *{animation:none!important;transition:none!important}}
.cycle-context-layout{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);gap:24px;align-items:start;margin:20px 0}.cycle-context-layout>.cycle-overview-host{position:sticky;top:85px;max-height:calc(100dvh - 105px);overflow:auto;overscroll-behavior:contain;margin:0;padding:18px;min-width:0}.cycle-context-layout>.source-question-layout{grid-template-columns:minmax(0,1fr)!important;gap:16px;min-width:0}.cycle-context-layout .source-pane{position:static}.cycle-context-layout .question-card{padding:24px;min-width:0}.cycle-context-layout .cycle-overview h2{font-size:24px}.cycle-context-layout .cycle-overview>p{font-size:14px}.cycle-context-layout .cycle-overview-controls{gap:6px}.cycle-context-layout .cycle-overview-controls .button{font-size:12px;padding:9px}.cycle-context-layout .polished-cycle.connected-cycle{padding:8px}.cycle-context-layout .cycle-caption{font-size:14px}.lesson-tutor-footer{margin:26px 0 0;padding:24px;border-top:3px solid #90d8dc;min-width:0}.lesson-tutor-footer h2{font-size:22px;margin:0 0 8px}.lesson-tutor-footer>p{line-height:1.6;color:#52647a}.lesson-tutor-footer textarea{display:block;width:100%;max-width:100%;box-sizing:border-box;min-height:86px;resize:vertical}.lesson-tutor-footer .card-actions{display:flex;flex-wrap:wrap;gap:8px}.lesson-tutor-footer .button{min-height:44px}
@media(max-width:900px){.cycle-context-layout{grid-template-columns:minmax(0,1fr);gap:18px}.cycle-context-layout>.cycle-overview-host{position:static;max-height:none;overflow:visible}.cycle-context-layout .question-card{padding:22px}}
@media(max-width:760px){.lesson-tutor-footer{padding:18px;margin-top:20px}.lesson-tutor-footer h2{font-size:20px}.cycle-context-layout>.cycle-overview-host{padding:14px}}
.lesson-tutor-footer textarea{border:1.5px solid var(--line);border-radius:14px;padding:15px;font:inherit;color:var(--ink);background:#fff;outline:0}.lesson-tutor-footer textarea:focus-visible{outline:3px solid #96dce3;outline-offset:2px}
.cycle-context-layout>.cycle-overview-host{max-height:none;overflow:visible;overscroll-behavior:auto}