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#4d2c0d24}.skill-token[data-removed=true]{opacity:.48;background:linear-gradient(145deg,#ffd4d4,#ff8585);position:relative;transform:translateY(9px)scale(.9)}.skill-token[data-removed=true]:after{color:#a41523;content:"×";font-size:3.1rem;font-weight:900;position:absolute}.skill-scene__equation{color:#4b2d10;align-items:center;gap:.65rem;font-size:clamp(2rem,5vw,3.7rem);font-weight:950;display:flex}.pattern-tile[data-kind=red]{background:linear-gradient(145deg,#ff8a8a,#e83250)}.pattern-tile[data-kind=blue]{background:linear-gradient(145deg,#97d7ff,#3587e8)}.pattern-tile[data-kind=green]{background:linear-gradient(145deg,#b8f5a1,#49b65f)}.pattern-tile[data-kind=\?]{color:#8a5a13;background:linear-gradient(145deg,#fffdf2,#ffe58a);border-style:dashed}.pattern-tile[data-answer]:after{color:#6e4817;content:attr(data-answer);background:#fff8da;border:2px solid #5638162e;border-radius:999px;padding:.08rem .42rem;font-size:.78rem;font-weight:900;position:absolute;bottom:-.85rem;left:50%;transform:translate(-50%)}.sentence-word{border-radius:1.1rem;height:auto;min-height:3.6rem;font-size:clamp(1.3rem,3vw,2rem)}button.sentence-word{cursor:pointer;font:inherit}.sentence-slots{background:#ffffff94;border:3px dashed #37506433;border-radius:1.4rem;flex-wrap:wrap;justify-content:center;align-items:center;gap:.7rem;width:min(680px,100%);min-height:5.8rem;padding:.8rem;display:flex}.sentence-slot{border-bottom:4px solid #37506447;min-width:5rem;height:3.4rem;display:block}.sentence-word--selected{background:linear-gradient(145deg,#c8f5d7,#74d8b0)}.sentence-actions{flex-wrap:wrap;justify-content:center;gap:.65rem;display:flex}.sentence-actions button,.trace-finish,.word-builder-join{color:#55320d;cursor:pointer;font:inherit;background:linear-gradient(145deg,#ffef84,#ffae4c);border:3px solid #663e0d33;border-radius:999px;padding:.65rem 1.15rem;font-weight:950}.sentence-actions button:disabled,.trace-finish:disabled,.word-builder-join:disabled{cursor:default;filter:grayscale(.6);opacity:.48}.story-card{color:#4b2d10;text-align:center;background:#fff8da;border:3px solid #4a361429;border-radius:1.4rem;max-width:620px;margin:0;padding:1rem 1.2rem;font-size:clamp(1.2rem,2.5vw,1.8rem);font-weight:800;line-height:1.4}.story-question{color:#375064;margin:0;font-size:clamp(1rem,2vw,1.35rem);font-weight:900}.story-card button{color:inherit;cursor:pointer;font:inherit;font-weight:inherit;background:0 0;border:0;border-radius:.35rem;padding:0 .08rem}.story-card button:hover,.story-card button:focus-visible{background:#ffe272;outline:2px solid #68410a40}.trace-card{color:#2e44586b;touch-action:none;-webkit-user-select:none;user-select:none;background:repeating-linear-gradient(0deg,#4874971f 0 2px,#0000 2px 42px),#fffdf2;border:4px dashed #465d7959;border-radius:1.6rem;place-items:center;min-width:min(24rem,90%);min-height:11rem;padding:1rem 2rem;font-family:Georgia,Times New Roman,serif;font-size:clamp(5rem,16vw,9rem);font-weight:900;display:grid;position:relative;box-shadow:inset 0 0 0 8px #ffe2732e}.trace-card__letter{pointer-events:none;z-index:1;position:relative}.trace-card__trail{pointer-events:none;z-index:2;position:absolute;inset:0;overflow:hidden}.trace-card__point{height:clamp(1.1rem,3vw,1.65rem);left:var(--trace-x);top:var(--trace-y);background:radial-gradient(circle,#ffffffeb 0 18%,#36b4d3db 20% 62%,#36b4d300 70%);border-radius:999px;width:clamp(1.1rem,3vw,1.65rem);animation:.95s ease-out forwards tracePointFade;position:absolute;transform:translate(-50%,-50%)}.skill-scene--penmanship p{color:#5a6b75;margin:0;font-weight:800}.trace-progress{background:#3750641f;border-radius:999px;width:min(20rem,80vw);height:.65rem;overflow:hidden}.trace-progress span{height:100%;width:var(--trace-progress);background:linear-gradient(90deg,#49bdd6,#7ed975,#ffe46d);transition:width .18s ease-out;display:block}.word-builder-track{touch-action:none;-webkit-user-select:none;user-select:none;justify-content:center;align-items:center;gap:clamp(1rem,5vw,3.8rem);min-height:9rem;display:flex;position:relative}.word-builder-piece{color:#123e56;cursor:grab;font:inherit;touch-action:none;min-width:clamp(6rem,18vw,10rem);min-height:6.6rem;transform:translateX(var(--word-drag));background:radial-gradient(circle at 24% 18%,#ffffffe6,#0000 30%),linear-gradient(145deg,#8fe4f4,#5f9de8);border:4px solid #1449682e;border-radius:1.45rem;padding:.3rem 1rem;font-size:clamp(3rem,8vw,5.4rem);font-weight:950;transition:box-shadow .18s,transform .14s;box-shadow:0 15px 24px #154c652b}.word-builder-piece--rime{background:radial-gradient(circle at 24% 18%,#ffffffe6,#0000 30%),linear-gradient(145deg,#ffd978,#ff9d62)}.word-builder-piece:active{cursor:grabbing;box-shadow:0 8px 14px #154c6529}.word-builder-spark{color:#37506459;font-size:clamp(2rem,5vw,3.4rem);font-weight:950}.word-builder-result{color:#174c39;background:linear-gradient(145deg,#fff49b,#74e0a5);border:5px solid #27654b2e;border-radius:1.6rem;padding:.25rem 1.4rem;font-size:clamp(3.2rem,9vw,6rem);animation:.62s cubic-bezier(.16,.9,.22,1.2) both wordBuilderZap;display:none;box-shadow:0 0 0 10px #ffeb602e,0 18px 30px #2057422e}.skill-scene--word-builder[data-built=true] .word-builder-piece,.skill-scene--word-builder[data-built=true] .word-builder-spark{display:none}.skill-scene--word-builder[data-built=true] .word-builder-result{display:block}.skill-scene--word-builder p{color:#375064;text-align:center;margin:0;font-weight:900}@keyframes wordBuilderZap{0%{opacity:0;transform:scale(.55)rotate(-5deg)}65%{opacity:1;transform:scale(1.08)rotate(2deg)}to{opacity:1;transform:scale(1)rotate(0)}}.word-family-card,.rhyme-bubbles,.compare-board,.number-line-track{justify-content:center;align-items:center;gap:clamp(.8rem,2vw,1.4rem);width:100%;display:flex}.word-family-card span,.rhyme-bubbles span{color:#163944;text-align:center;background:radial-gradient(circle at 24% 22%,#ffffffdb,#0000 28%),linear-gradient(145deg,#b6f0ff,#ffd873);border:4px solid #1c505d29;border-radius:1.6rem;min-width:clamp(7rem,19vw,12rem);padding:.45rem 1rem;font-size:clamp(2.2rem,6vw,4.7rem);font-weight:950;box-shadow:0 18px 30px #1e424824}.rhyme-bubbles span{background:radial-gradient(circle at 28% 20%,#ffffffe6,#0000 30%),linear-gradient(145deg,#ffd0dc,#9be7bc);border-radius:999px}.skill-scene--word-family p,.skill-scene--rhyme p,.skill-scene--more-less p,.skill-scene--number-line p{color:#375064;text-align:center;margin:0;font-size:clamp(1rem,2vw,1.35rem);font-weight:900}.compare-board{align-items:stretch}.compare-group{background:#ffffffc2;border:3px solid #35647124;border-radius:1.6rem;justify-items:center;gap:.55rem;min-width:min(15rem,42vw);padding:1rem 1.1rem;display:grid;box-shadow:0 16px 28px #1a3e471f}.compare-group strong{color:#163944;font-size:clamp(1.5rem,4vw,2.6rem);line-height:1}.compare-group>div{flex-wrap:wrap;justify-content:center;gap:.55rem;max-width:11rem;display:flex}.compare-group .skill-token{border-width:2px;min-width:3rem;height:3rem;padding:0 .55rem;font-size:clamp(1.25rem,2.4vw,1.9rem)}.compare-divider{color:#3750647a;align-self:center;font-size:clamp(2rem,5vw,4rem);font-weight:950}.number-line-track{background:linear-gradient(90deg,#0000 0 4%,#2d5d6f38 4% 96%,#0000 96%),#ffffffb8;border:3px solid #2d5d6f26;border-radius:999px;padding:1rem;box-shadow:0 18px 30px #1a3e471f}.number-line-track 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24px}.hud-strip:not([data-details=true])>.hud-chip{display:none}.hud-chip{-webkit-backdrop-filter:none;backdrop-filter:none;box-shadow:none;background:#fffdf4;border:1px solid #d8e1d0;padding:8px 12px}.debug-toggle{color:#426b60;background:#fffdf2;border:1px solid #bccfbe;margin-left:auto;padding:10px 20px;box-shadow:0 3px #c4d3bd}.journey-trail{align-items:center;gap:22px;min-height:48px;display:flex}.journey-trail__label{color:#52756a;font-size:.85rem;font-weight:700}.journey-trail__steps{align-items:center;gap:9px;display:flex}.journey-trail__steps>span{color:#506c4d;background:#f5f8e8;border:2px solid #bbccad;border-radius:50%;place-items:center;width:22px;height:22px;font-size:16px;display:grid}.journey-trail__steps>span[data-done=true]{background:#f9d985;border-color:#cbab5d}.journey-trail__steps>span[data-current=true]{background:#f6efcc;border:5px solid #6c9e87;box-shadow:0 0 0 4px #d4e5cf}.classroom-stage{grid-template-columns:minmax(0,1fr) minmax(250px,310px);align-items:center;gap:clamp(20px,3vw,48px);max-width:1440px;margin:0 auto}.whiteboard-card{background:#fffdf5;border:2px solid #d9caa7;border-radius:32px;min-height:min(650px,100svh - 170px);padding:28px 32px;box-shadow:0 9px #e7d5ad,0 11px #cbb994,0 23px 35px -22px #758b70}.whiteboard-card:before{border:1px solid #eee5cc;border-radius:23px;inset:9px}.whiteboard-card__header h1{letter-spacing:-.05em;color:#345e52;font-size:clamp(1.8rem,3vw,2.6rem);line-height:1.15}.whiteboard-card__header .eyebrow{color:#96825d;letter-spacing:.17em;font-size:.65rem;font-weight:800}.restart-button{color:#775e41;background:#f4ecd5;border:1px solid #ded0ae;padding:10px 16px;font-size:.8rem;box-shadow:0 3px #e5d7b5}.prompt-banner{box-shadow:none;background:#f8efd4;border:1px solid #e9ddbb;border-radius:18px;margin-top:20px;font-size:.95rem;font-weight:600}.prompt-banner__icon{color:#a38349;background:#fffaf0;flex:0 0 36px;width:36px;height:36px}.whiteboard-card__workspace{padding:24px 0 18px}.workspace-copy{margin-bottom:24px}.workspace-copy__eyebrow{color:#8e9d86;letter-spacing:.17em;font-size:.6rem}.workspace-copy h2{letter-spacing:-.025em;font-size:clamp(1.4rem,2.3vw,2rem);line-height:1.2}.choice-grid{gap:22px;max-width:650px}.choice-card{background:#eef4df;border:2px solid #c5d6b4;border-bottom-width:6px;border-radius:26px;min-height:150px;transition:transform .18s,background-color .18s;box-shadow:0 5px #dde6cb}.choice-card:nth-child(2n){background:#e8f3ec;border-color:#c3d7d2;box-shadow:0 5px #dbe7dc}.choice-card:nth-child(3n){background:#fbefda;border-color:#e2c8a7;box-shadow:0 5px #ede0c5}.choice-card__letter{color:#345b4c;text-shadow:0 3px #ffffffa8}.choice-card:not(:disabled):hover{transform:translateY(-4px)rotate(-1deg)}.choice-card:not(:disabled):active{transform:translateY(3px)scale(.98)}.choice-card[data-feedback=correct]{background:#d7edbc;border-color:#6fa482}.choice-card[data-feedback=incorrect]{background:#f7e6d6;border-color:#d8a58c}.choice-card[data-hint=true]{border-color:#b89b4b}.whiteboard-card__footer{opacity:.8;border-top:1px solid #eee6d2;gap:12px;padding-top:14px}.metric-label{letter-spacing:.08em;font-size:.58rem}.whiteboard-card__footer strong{font-size:.83rem}.momo-shell{gap:22px;padding:0 0 25px}.momo-shell__bubble{background:#fffdf2;border:2px solid #d6d9bc;border-radius:25px 25px 25px 8px;max-width:290px;padding:18px 22px;position:relative;box-shadow:0 5px #d5dfc7}.momo-shell__bubble:after{content:"";background:#fffdf2;border-bottom:2px solid #d6d9bc;border-right:2px solid #d6d9bc;width:16px;height:16px;position:absolute;bottom:-11px;left:43%;transform:rotate(45deg)}.momo-shell__bubble p{font-size:1rem;font-weight:600;line-height:1.5}.momo-shell__stage{padding-bottom:80px}.momo-shell__stage:after{display:none}.momo-island{width:100%;height:auto;position:absolute;bottom:0;left:0}.momo-shell__body-wrap{z-index:1}.momo-shell__eye{animation:7s ease-in-out infinite momoBlink}.momo-shell__pupil:after{content:"";background:#fff;border-radius:50%;width:3px;height:3px;position:absolute;top:1px;left:2px}.momo-shell__mouth{filter:none}.momo-shell[data-animation] .momo-shell__stage{animation:none}.momo-shell[data-animation=talking] .momo-shell__body-wrap{animation:2.2s ease-in-out infinite storySpeak}.momo-shell[data-animation=bounce] .momo-shell__body-wrap,.momo-shell[data-animation=celebrate] .momo-shell__body-wrap{transform-origin:50% 90%;animation:.9s ease-in-out 2 storyHooray}.momo-shell[data-animation=guide] .momo-shell__body-wrap{transform-origin:50% 90%;animation:2s ease-in-out storyGuide}.momo-shell[data-child-state=struggling] .momo-shell__body-wrap{animation:none}.reward-overlay{background:#263f4933}.reward-svg{border-radius:48px;width:min(96vw,1280px);height:auto;max-height:94svh;overflow:hidden}.reward-svg-header{filter:none}.reward-svg-title{letter-spacing:-.04em;fill:#3b6251;font-family:Trebuchet MS,sans-serif;font-size:42px}.reward-svg-subtitle{letter-spacing:.08em;fill:#667b5c;font-family:Trebuchet MS,sans-serif;font-size:13px}.reward-svg-world{opacity:.4}.word-reward{filter:none}.count-scene{background:#eef4df;border:1px solid #dce6c9}@keyframes kiteDrift{0%,to{transform:rotate(-3deg)}50%{transform:rotate(3deg)}}@keyframes momoBlink{0%,43%,47%,to{transform:scaleY(1)}45%{transform:scaleY(.12)}}@keyframes storySpeak{0%,to{transform:translateY(0)rotate(0)}50%{transform:translateY(-3px)rotate(-.7deg)}}@keyframes storyHooray{0%,to{transform:translateY(0)scale(1)}20%{transform:scale(1.03,.96)}50%{transform:translateY(-13px)rotate(3deg)}76%{transform:scale(.98,1.02)}}@keyframes storyGuide{0%,to{transform:rotate(0)}40%{transform:rotate(-4deg)translateY(-3px)}}@media (width<=1100px){.classroom-stage{grid-template-columns:minmax(0,1fr) 240px;gap:20px}.momo-shell{order:initial}.whiteboard-card{padding:24px}.journey-trail__label{display:none}}@media (width<=800px){.app-shell{padding:16px 16px 80px}.hud-strip{margin-bottom:16px}.classroom-stage{grid-template-columns:minmax(0,1fr);gap:24px}.momo-shell{flex-direction:row-reverse;order:-1;justify-content:center;gap:12px;padding:0}.momo-shell__stage{flex-shrink:0;width:160px;padding-bottom:40px}.momo-shell__bubble{max-width:310px;padding:12px 16px}.momo-shell__bubble:after{display:none}.momo-shell__eye{--momo-gaze-scale:.3px;border-width:2px;width:23px;height:23px}.momo-shell__pupil{width:8px;height:8px;top:6px;left:6px}.momo-shell__mouth{width:44px}.whiteboard-card{min-height:450px}.whiteboard-card__header{flex-direction:row;align-items:center}.whiteboard-card__footer{grid-template-columns:1fr 1fr;display:grid}.choice-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.choice-card{min-height:125px}.reward-svg{border-radius:20px;width:100vw}}@media (width<=440px){.journey-trail__steps{gap:5px}.journey-trail__steps>span{width:17px;height:17px;font-size:12px}.debug-toggle{padding:9px 14px}.momo-shell__stage{width:125px}.momo-shell__bubble p{font-size:.85rem}.momo-shell__eye{--momo-gaze-scale:.2px;width:19px;height:19px}.momo-shell__pupil{top:4px;left:4px}.momo-shell__mouth{width:36px}.whiteboard-card{padding:21px 18px}.whiteboard-card__header h1{font-size:1.6rem}}.whiteboard-card,.whiteboard-card__workspace,.skill-scene{min-width:0;max-width:100%}.reading-card{flex:1 1 0;min-width:0}.trace-card{width:min(24rem,100%);min-width:0}.number-line-track{justify-content:flex-start;max-width:100%;padding:12px;overflow-x:auto}.number-line-track button{flex:none;min-width:44px;min-height:44px}.number-line-help{font-size:.85rem;font-weight:400}@media (width<=600px){.choice-card[data-long=true] .choice-card__letter{font-size:clamp(1.5rem,7vw,2.5rem)}.whiteboard-card__header{flex-wrap:wrap}.reading-sweep{gap:6px;padding:8px}.reading-card{min-height:120px;font-size:clamp(2.8rem,12vw,4.5rem)}.count-scene{padding:6px}.count-scene__plate{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;padding:8px}.count-object{max-width:100%}.word-builder-track{gap:8px;width:100%}.word-builder-piece{flex:1 1 0;min-width:0;padding:8px;font-size:2.6rem}.word-family-card,.rhyme-bubbles{flex-wrap:wrap;gap:8px}.word-family-card span,.rhyme-bubbles span{min-width:0;padding:8px;font-size:2rem}.compare-board{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:4px;display:grid}.compare-group{min-width:0;padding:8px 4px}.compare-group .skill-token{min-width:32px;height:32px;padding:0 4px;font-size:1.2rem}.compare-group>div{gap:4px}.uppercase-bridge{gap:8px}.uppercase-bridge>span:first-child,.uppercase-bridge strong{width:35%;min-width:0;height:90px;font-size:3.5rem}.trace-card{padding:12px;font-size:clamp(3rem,15vw,6rem)}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}.choice-card:not(:disabled):hover{transform:none}}