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81.25px,105px);display:block}.picture-diagram,.story-diagram,.calculator-diagram{border-radius:22px}.picture-diagram{background:var(--diagram-visual);grid-template-columns:48px 48px 30px 48px 48px;justify-content:center;align-items:center;gap:2px;display:grid}.picture-diagram span{width:clamp(38px,6dvh,46px);height:clamp(38px,6dvh,46px)}.picture-diagram b{color:var(--green);text-align:center;font-size:1.7rem;font-weight:500}.story-diagram{background:var(--diagram-story);justify-content:center;align-items:center;gap:15px;display:flex}.story-diagram span{width:clamp(62px,10dvh,82px);height:clamp(62px,10dvh,82px)}.story-diagram b{background:var(--diagram-circle);color:var(--pink);border-radius:18px;padding:15px 18px;font-size:1.35rem;font-weight:600;position:relative}.calculator-diagram{background:var(--lavender);justify-content:center;align-items:center;gap:12px;display:flex}@supports (color:color-mix(in lab, red, red)){.calculator-diagram{background:color-mix(in srgb, var(--lavender) 13%, var(--card))}}.calculator-diagram{color:var(--lavender)}.calculator-diagram span{background:var(--diagram-circle);border-radius:50%;place-items:center;width:clamp(48px,7dvh,56px);height:clamp(48px,7dvh,56px);font-size:1.75rem;font-weight:600;display:grid}.calculator-diagram b{font-size:1.7rem;font-weight:500}.calculator-diagram svg{width:42px;height:42px;margin-left:6px}.module-arrow{width:32px;height:54px;color:var(--muted);background:0 0;border:0;border-radius:0;place-items:center;font-size:3rem;font-weight:300;line-height:1;display:grid;position:absolute;top:50%;right:20px;transform:translateY(-50%)}.calculator-screen{width:min(100%,960px)}.calculator-spacer{flex:1}.calculator-workspace{flex:1;grid-template-columns:minmax(0,1fr) 70px minmax(0,1fr);align-items:center;gap:16px;padding:10px 0 18px;display:grid}.calculator-side{border:2px solid var(--border);background:var(--card);border-radius:34px;place-items:center;min-height:360px;padding:22px;display:grid}@supports (color:color-mix(in lab, red, red)){.calculator-side{background:color-mix(in srgb, var(--card) 76%, transparent)}}.calculator-side{transition:opacity .22s,filter .22s,border-color .22s}.second-side{opacity:.28;filter:saturate(.25)}.second-side.ready{opacity:1;filter:none;border-color:var(--lavender)}.number-cloud{flex-wrap:wrap;justify-content:center;align-items:center;gap:7px 5px;max-width:340px;display:flex}.number-bubble{--bubble-size:54px;width:var(--bubble-size);height:var(--bubble-size);min-width:var(--bubble-size);min-height:var(--bubble-size);border:2px solid var(--border);background:var(--card);color:var(--ink);border-radius:50%;padding:0;font-size:1.18rem;font-weight:550}.number-bubble.bubble-0{--bubble-size:58px;transform:translateY(4px)rotate(-3deg)}.number-bubble.bubble-1{--bubble-size:50px;transform:translateY(-5px)rotate(2deg)}.number-bubble.bubble-2{--bubble-size:55px;transform:translateY(2px)rotate(3deg)}.number-bubble.bubble-3{--bubble-size:48px;transform:translateY(-2px)rotate(-2deg)}.number-bubble.bubble-4{--bubble-size:53px;transform:translateY(5px)rotate(1deg)}.number-bubble.selected{background:var(--orange);border-color:var(--orange-dark);color:#fff;transform:scale(1.08)}.calculator-plus{color:var(--orange);text-align:center;font-size:4.5rem;font-weight:300}.calculator-result{justify-content:center;align-items:baseline;gap:18px;min-height:94px;display:flex}.calculator-result span{color:var(--muted);font-size:1.15rem;font-weight:500}.calculator-result strong{color:var(--green);font-size:4rem;font-weight:550;line-height:1}.calculator-reset{border:2px solid var(--lavender);background:var(--card);width:76px;min-width:76px;height:76px;min-height:76px;color:var(--lavender);border-radius:50%;align-self:center;padding:0}.game-screen{background:0 0}.progress-wrap{flex:1}.progress-label{color:var(--muted);text-align:center;margin-bottom:6px;font-size:.75rem;font-weight:500}.progress-track{background:#e8e1d8;border-radius:99px;height:11px;overflow:hidden}.progress-fill{background:linear-gradient(90deg, var(--yellow), var(--orange));border-radius:inherit;height:100%;transition:width .35s}.question-card{border:1px solid var(--border);box-shadow:none;text-align:center;background:0 0;border-radius:30px;margin:15px 0;padding:25px 20px}.visual-equation{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:8px;margin:10px 0 11px;display:grid}.object-group{background:var(--surface-soft);border-radius:17px;grid-template-columns:repeat(2,44px);place-content:center;gap:7px;min-height:142px;padding:9px;display:grid}.count-object{background:var(--object-circle);border:1px solid var(--border);border-radius:50%;place-items:center;width:44px;height:44px;padding:1px;display:grid;overflow:hidden}.operator{color:var(--orange);font-size:1.8rem;font-weight:500}.question-main{letter-spacing:-.02em;margin:20px 0;font-size:clamp(2.1rem,11vw,3.4rem);font-weight:500;line-height:1.1}.story-copy{max-width:340px;margin:16px auto 12px;font-size:1.17rem;font-weight:500;line-height:1.48}.story-scene{justify-content:center;align-items:center;gap:12px;display:flex}.story-scene span{width:76px;height:76px}.read-button{background:var(--surface-soft);border-color:var(--border);min-width:60px;min-height:60px;color:var(--muted);justify-content:center;align-items:center;margin-top:8px;padding:0;display:inline-flex}.answer-grid{grid-template-columns:repeat(3,1fr);gap:11px;margin-bottom:38px;display:grid}.answer-option{position:relative}.answer{aspect-ratio:1;background:var(--card);border-color:var(--border);width:100%;min-height:84px;box-shadow:none;border-radius:23px;place-items:center;font-size:2.15rem;font-weight:600;line-height:1;display:grid}.answer.correct{background:var(--card);color:var(--success-ink);border:3px solid var(--green);box-shadow:none}.answer.wrong{background:var(--card);color:var(--wrong-ink);border:3px solid var(--wrong-ink);animation:.3s linear wiggle}.answer-result{opacity:0;font-size:1.7rem;font-weight:600;line-height:1;position:absolute;top:calc(100% + 7px);left:50%;transform:translate(-50%)}.answer-result.visible{opacity:1}.answer-result.correct-mark{color:var(--green)}.answer-result.wrong-mark{color:var(--wrong-ink)}@keyframes wiggle{25%{transform:translate(-5px)}75%{transform:translate(5px)}}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.interlude{text-align:center;justify-content:center}.interlude-grownup{top:max(18px, env(safe-area-inset-top));position:absolute;left:18px}.speech-bubble{background:var(--card);border:1px solid var(--border);box-shadow:none;border-radius:28px;margin:0 0 28px;padding:24px;font-size:1.35rem;font-weight:500;line-height:1.35;position:relative}.speech-bubble:after{content:"";border:18px solid #0000;border-top-color:#fff;border-bottom:0;position:absolute;bottom:-18px;left:calc(50% - 18px)}.interlude .mascot{width:150px;height:150px;font-size:6rem}.interlude h1{margin:30px 0 8px;font-size:2.2rem}.stars-earned{justify-content:center;gap:5px;margin:4px 0 24px;display:flex}.stars-earned span{width:42px;height:42px}.interlude-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;width:100%;display:grid}.interlude-action{border:2px solid var(--border);background:var(--card);min-height:66px;color:var(--ink);border-radius:18px;place-items:center;display:grid}.interlude-action:active{border-color:var(--orange);color:var(--orange);transform:scale(.98)}#celebration{pointer-events:none;z-index:20;position:fixed;inset:0;overflow:hidden}.confetti{font-size:1.4rem;animation:1.1s ease-in forwards fall;position:absolute;top:-30px}@keyframes fall{to{opacity:.3;transform:translateY(105vh)rotate(420deg)}}.empty-state{text-align:center;border:2px dashed var(--border);color:var(--muted);border-radius:25px;padding:28px 16px;font-weight:500}.spacer{flex:1}@media (prefers-color-scheme:dark){:root{--ink:#e6e8ec;--muted:#a7adb8;--cream:#17191d;--card:#22252a;--surface-soft:#2b2f35;--surface-muted:#30343a;--question-bg:#1d2024;--border:#41464f;--object-circle:#363a41;--orange:#ee8757;--orange-dark:#ff9b6d;--yellow:#e7b956;--green:#69c5a3;--blue:#7fa7f3;--pink:#ec91b1;--success-bg:#203d33;--success-ink:#98dfc2;--wrong-bg:#482b30;--wrong-ink:#ffb0b8;--notice-bg:#413921;--notice-ink:#f0d98e;--diagram-visual:#20342e;--diagram-story:#3a2730;--diagram-number:#252e43;--diagram-circle:#30343a}body:before{opacity:.28;background:#513c21}body:after{opacity:.28;background:#462a35}.brand-fox{background:#4a3428}.animal-choice.selected{background:#4b3428}.profile-details{border-top-color:var(--border)}.progress-track{background:#363a41}.read-button{background:var(--surface-soft);color:var(--muted)}.speech-bubble:after{border-top-color:var(--card)}.empty-state{border-color:var(--border)}}@media (width>=700px){.screen{padding-left:8px;padding-right:8px}}@media (width<=699px){.calculator-workspace{grid-template-columns:1fr;align-content:start;gap:8px;padding-top:4px}.calculator-side{border-radius:26px;min-height:0;padding:15px 10px}.number-cloud{gap:5px 3px;max-width:330px}.number-bubble{--bubble-size:49px}.number-bubble.bubble-0{--bubble-size:53px}.number-bubble.bubble-1{--bubble-size:46px}.number-bubble.bubble-2{--bubble-size:50px}.number-bubble.bubble-3{--bubble-size:45px}.number-bubble.bubble-4{--bubble-size:48px}.calc-extra{display:none}.calculator-plus{font-size:3.2rem;line-height:.9}.calculator-result{min-height:76px}.calculator-result strong{font-size:3.25rem}.calculator-reset{width:68px;min-width:68px;height:68px;min-height:68px}}@media (pointer:coarse){button{min-width:48px;min-height:48px}input{min-height:48px}.parent-profile-head{min-height:56px}.read-button{min-width:64px;min-height:64px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-z{syntax:"*";inherits:false;initial-value:0}