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#785a1e14;border:0;border-radius:28px}.child-app .child-welcome{text-align:center;background:linear-gradient(160deg,#fff6dc,#fff 60%);padding:28px}.child-app .child-welcome h2{margin:8px auto 6px;font-size:clamp(1.6rem,5vw,2.3rem)}.child-app .child-welcome>.primary{width:min(100%,420px);min-height:72px;margin:18px 0 8px;font-size:1.35rem}.activity-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:18px 0;display:grid}.child-app .activity-grid button{text-align:left;flex-direction:column;justify-content:flex-end;align-items:flex-start;gap:4px;min-height:120px;padding:16px 18px;font-size:1.1rem;font-weight:800;display:flex;position:relative;overflow:hidden}.activity-grid button small{color:var(--soft-ink);font-size:.8rem;font-weight:600}.activity-grid button:before{content:"";border-radius:14px;width:46px;height:46px;position:absolute;top:14px;right:14px}.activity-grid .tile-course:before{background:radial-gradient(circle at 30% 50%, var(--coral) 0 9px, transparent 10px), radial-gradient(circle at 70% 50%, var(--sky) 0 9px, transparent 10px), #ffe9df}.activity-grid .tile-today:before{background:conic-gradient(var(--sun) 0 25%, transparent 0 50%, var(--sun) 0 75%, transparent 0), #fff3cf;border-radius:50%}.activity-grid .tile-practice:before{background:linear-gradient(var(--leaf) 0 0) 50% 50% / 26px 6px no-repeat, linear-gradient(var(--leaf) 0 0) 50% 50% / 6px 26px no-repeat, #e3f5ea}.activity-grid .tile-diagnostic:before{background:radial-gradient(circle at 50% 50%, transparent 0 11px, var(--sky) 12px 16px, transparent 17px), var(--sky-soft)}.child-app .activity-grid button[aria-pressed=true]{border-color:var(--sun)}.home-footer{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;margin:8px 0;display:flex}.child-app .home-footer button,.child-app .home-footer summary{min-height:44px;color:var(--soft-ink);font-size:14px}.child-app .quiet{color:var(--soft-ink)}.center{text-align:center}.child-app 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.blank{border-style:dashed;border-color:var(--sun);background:var(--pick);color:var(--soft-ink)}.mini-shape{background:var(--sky);width:34px;height:34px;display:inline-block}.mini-shape.circle{background:var(--coral);border-radius:50%}.pattern-pickers{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;width:100%;display:grid}.pattern-picker{background:#fbf3e4;border-radius:20px;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;padding:12px;display:flex}.pattern-picker>span{text-align:center;color:var(--soft-ink);flex-basis:100%;font-weight:700}.child-app .pattern-picker button{place-items:center;width:72px;height:72px;padding:0;display:grid}.ten-frame{background:#e9dcc3;border-radius:18px;grid-template-columns:repeat(5,1fr);gap:6px;width:min(100%,400px);padding:10px;display:grid}.ten-frame>span,.ten-frame>button{aspect-ratio:1;min-height:0;box-shadow:none;background:#fffaf1;border:0;border-radius:10px;place-items:center;padding:0;display:grid}.ten-frame .stone{width:62%;height:62%}.child-app .ten-frame>button[aria-pressed=true]{box-shadow:none;background:#fffaf1}.equation-scene{justify-content:center;align-items:center;gap:12px;width:100%;display:flex}.equation-scene .plate{flex:1 1 0;max-width:220px}.equation-scene>b{color:var(--soft-ink);font-size:2.2rem}.child-app .shape-choices{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;width:100%;display:grid}.child-app .shape-choices button{aspect-ratio:1;place-items:center;min-height:0;display:grid}.child-app .shape{border:0;width:56%;height:56%}.scene-row{flex-wrap:wrap;justify-content:center;gap:14px;width:100%;display:flex}.scene-row .plate{flex:200px;max-width:300px}.equation-line{text-align:center;margin:0;font-size:1.8rem;font-weight:800}.grownup-panel{background:#faf6ee;border:1.5px dashed #e6d8bd;border-radius:20px;margin-top:22px;padding:16px 18px;font-size:15px}.grownup-title{color:var(--soft-ink);letter-spacing:.04em;margin:0 0 6px;font-size:13px;font-weight:800}.grownup-panel label{margin:8px 0}.grownup-panel select{border:1.5px solid var(--edge);min-height:40px;font:inherit;border-radius:10px;margin-left:8px;padding:4px 8px}.child-app .grownup-panel button{min-height:44px;box-shadow:0 3px 0 var(--edge);padding:8px 14px;font-size:14px}.child-app .grownup-panel details summary{cursor:pointer;color:var(--soft-ink)}@media (width<=560px){.lesson-card{padding:16px}.plates-4{grid-template-columns:repeat(2,minmax(0,1fr))}.child-app .number-choices button{flex-basis:72px;min-height:72px}.stone{width:24px;height:24px}.pattern-pickers{grid-template-columns:1fr}.number-track span,.pattern-track span{width:52px;height:52px;font-size:1.5rem}}@media (prefers-reduced-motion:reduce){.child-app button{transition:none}}html:has(.child-app){background:var(--paper,#fff9ef);min-height:100%}body:has(.child-app){min-height:100vh}.plate-body>.stones{width:100%}.stones-spread{gap:6px 22px}.stones-moved .stone{opacity:.4;background:radial-gradient(circle at 35% 30%,#ffd2bd 0 4px,#ee7d57 5px 100%);border:0}.child-app .shape{background:var(--sky)}.child-app .shape-1{background:var(--coral)}.child-app .shape-3{background:var(--leaf)}.child-app .lesson-card p[role=status]{text-align:center;min-height:1.8em;color:var(--leaf-deep);font-weight:700}.child-app>details{text-align:center;color:var(--soft-ink);font-size:14px}.child-app>details>form,.child-app>details>p{text-align:left;max-width:480px;margin:12px auto}.net-chip{color:var(--leaf-deep);white-space:nowrap;background:#e6f6ec;border-radius:999px;padding:4px 10px;font-size:13px;font-weight:700}.net-chip.offline{color:var(--soft-ink);background:#f3eee6}.child-app .hint-button{min-height:44px;color:var(--soft-ink);padding:6px 16px;font-size:15px}.hint-bubble{background:#fff6dc;border-radius:16px;max-width:560px;margin:0;padding:12px 16px;line-height:1.6}.course-remaining{color:var(--soft-ink);margin:0 0 8px;font-size:14px;font-weight:700}.child-app .course-title{margin:4px 0 10px;font-size:clamp(1.4rem,4vw,1.8rem)}.stepper{counter-reset:step;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin:0 0 6px;padding:0;list-style:none;display:grid}.stepper li{counter-increment:step;color:var(--soft-ink);background:#f6efe2;border-radius:12px;align-items:center;gap:6px;margin:0;padding:8px 10px;font-size:13px;font-weight:700;display:flex}.stepper li:before{content:counter(step);background:#fff;border-radius:50%;flex:0 0 22px;place-items:center;height:22px;font-size:12px;display:grid}.stepper li.done{color:var(--leaf-deep);background:#e6f6ec}.stepper li.done:before{content:"✓";background:var(--leaf);color:#fff}.stepper li.now{background:var(--sun-soft);color:var(--ink);box-shadow:inset 0 0 0 2px var(--sun)}.child-app .course-tabs{margin:4px 0 6px}.count-stones{flex-wrap:wrap;justify-content:center;gap:14px;display:flex}.child-app .count-stones button{border-radius:50%;place-items:center;width:84px;height:84px;padding:0;display:grid;position:relative}.count-stones .stone{width:44px;height:44px}.child-app .count-stones button:disabled{opacity:1}.count-mark{background:var(--leaf);color:#fff;border-radius:50%;place-items:center;width:30px;height:30px;font-size:15px;display:grid;position:absolute;top:-6px;right:-6px}.stone-new{background:radial-gradient(circle at 35% 30%,#cfe4fa 0 4px,#4d93d9 5px 100%)}.child-app .plate-slot>button:not(.plate-button){min-height:44px;padding:6px 10px;font-size:14px}@media (width<=560px){.stepper{grid-template-columns:repeat(2,minmax(0,1fr))}}.demo-line{flex-wrap:wrap;align-items:center;gap:8px;font-size:1.3rem;font-weight:800;display:inline-flex}.demo-line>span{white-space:pre-line}.demo-line .stone{width:24px;height:24px}.today-card>.eyebrow{color:var(--soft-ink);margin:0 0 6px;font-size:.85rem}.today-card .lesson-head{margin-top:12px}.today-card .step-count{white-space:normal;text-align:right;font-size:.85rem;font-weight:700}.today-card label{color:var(--soft-ink);font-size:15px}.today-card select{border:1.5px solid var(--edge);min-height:40px;font:inherit;border-radius:10px;margin-left:8px;padding:4px 8px}.child-app .today-card aside{box-shadow:none;background:#f8fbf6;border:1.5px solid #dcebdc;border-radius:20px}.child-app .goal-sticker{background:var(--sun-soft);border:0}.child-app .completion{background:#e6f6ec;border:0}.grownup-panel h3{margin:0 0 4px;font-size:1rem}.today-card{flex-direction:column;display:flex}.today-card>*{min-width:0}.child-app .today-card>aside[aria-label="입학 준비 첫 2주"]{order:5;margin-top:18px;font-size:15px;display:block}.today-card>aside[aria-label="입학 준비 첫 2주"] h3{margin-top:0}.today-card>.primary.next,.today-card>button{align-self:stretch}.today-card>button:not(.primary){align-self:center}.child-app .kid-home{padding:40px 28px 36px}.child-app .kid-home h2{margin:0 auto 6px;font-size:clamp(2rem,6vw,2.8rem)}.child-app .kid-home p{color:var(--soft-ink);margin:0;font-size:1.15rem}.child-app .kid-home .primary.hero{border-radius:28px;width:min(100%,460px);min-height:96px;margin:26px 0 0;font-size:1.7rem}.child-app .kid-more{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}.child-app .kid-more button{justify-content:center;min-height:96px;font-size:1.25rem}.child-app .study-toolbar{justify-content:flex-start}.child-app .back-home{min-height:52px;padding:8px 20px 8px 16px;font-size:1.05rem;font-weight:800}.child-app .back-home:before{content:"";vertical-align:1px;border-bottom:3px solid;border-left:3px solid;width:10px;height:10px;margin-right:10px;display:inline-block;transform:rotate(45deg)}details.grownup-panel{opacity:.85;background:0 0;border:1.5px dashed #eadfca;padding:0 16px}details.grownup-panel[open]{opacity:1;background:#faf6ee;padding-bottom:14px}details.grownup-panel>summary.grownup-title{cursor:pointer;margin:0;padding:12px 0;font-size:13px;list-style:none}details.grownup-panel>summary::-webkit-details-marker{display:none}details.grownup-panel>summary:after{content:"";border-bottom:2px solid;border-right:2px solid;width:7px;height:7px;margin-left:8px;display:inline-block;transform:rotate(45deg)translateY(-3px)}details.grownup-panel[open]>summary:after{transform:rotate(225deg)}.child-app .grownup-menu{margin-top:40px}.child-app .grownup-menu .study-tabs{margin:4px 0 10px}.child-app .app-header{flex-wrap:nowrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.child-app .app-header h1{white-space:nowrap}.child-app .account-identity{flex-basis:auto;width:auto;max-width:60vw;margin-left:auto}.child-app .learner-menu .account-trigger{border:1.5px solid var(--edge);min-height:48px;box-shadow:none;background:var(--card);color:var(--ink);border-radius:999px;align-items:center;gap:8px;padding:4px 10px 4px 4px;font-size:1.05rem;font-weight:800;display:flex}.child-app .learner-menu .account-trigger strong{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.child-app .learner-face{background:radial-gradient(circle at 35% 40%, var(--ink) 0 3px, transparent 4px), radial-gradient(circle at 65% 40%, var(--ink) 0 3px, transparent 4px), radial-gradient(ellipse at 50% 62%, transparent 0 7px, var(--ink) 8px 9px, transparent 10px), var(--sun);border-radius:50%;flex:none;width:36px;height:36px;box-shadow:inset 0 -4px #f0ad1d}.child-app .learner-menu nav{gap:0;width:min(280px,100vw - 32px)}.child-app .learner-menu .menu-group{flex-direction:column;gap:2px;padding:4px 0;display:flex}.child-app .learner-menu .menu-group+.menu-group{border-top:1px solid var(--edge)}.child-app .learner-menu nav button{text-align:left;min-height:46px;box-shadow:none;background:0 0;border:0;border-radius:10px;padding:8px 12px;font-size:15px;font-weight:600;transform:none}.child-app .learner-menu nav button:hover:not(:disabled),.child-app .learner-menu nav 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(prefers-reduced-motion:reduce){.child-app .net-status .spin{animation-duration:2.4s}}.child-app .net-tip{z-index:40;color:#fff;text-align:left;background:#24302a;border-radius:10px;width:max-content;max-width:220px;padding:8px 12px;font-size:13px;line-height:1.45;display:none;position:absolute;top:calc(100% + 8px);right:-60px;box-shadow:0 6px 18px #0003}.child-app .net-tip b{font-size:14px;display:block}.child-app .net-tip small{opacity:.85;font-size:12px;display:block}.child-app .net-status:hover .net-tip,.child-app .net-status:focus .net-tip{display:block}.child-app .number-choices{grid-template-columns:repeat(auto-fill,minmax(84px,1fr));justify-content:start;display:grid}.child-app .number-choices button{width:100%;min-width:0}@media (width<=480px){.child-app .number-choices{grid-template-columns:repeat(auto-fill,minmax(64px,1fr))}.child-app .number-choices button{min-height:64px;font-size:1.6rem}}.child-app .course-picker{scrollbar-width:thin;gap:8px;margin-bottom:8px;padding:2px 2px 8px;display:flex;overflow-x:auto}.child-app .course-picker button{min-height:44px;box-shadow:none;white-space:nowrap;border-radius:999px;flex:none;padding:8px 14px;font-size:15px;font-weight:700}.child-app .course-picker button[aria-pressed=true]{background:var(--sun,#ffd25a);border-color:#f0ad1d}.child-app .review-again{flex-wrap:wrap;gap:8px;margin-top:16px;display:flex}.child-app .review-again h3{flex-basis:100%;margin:0;font-size:1rem}.child-app .sheet-backdrop{z-index:60;background:#1f2a1f66;place-items:end center;padding:16px;display:grid;position:fixed;inset:0}.child-app .report-sheet{background:var(--card,#fff);border-radius:20px;width:min(520px,100%);max-height:calc(100dvh - 32px);padding:20px;overflow-y:auto;box-shadow:0 12px 32px #0004}.child-app .sheet-head{justify-content:space-between;align-items:center;gap:12px;display:flex}.child-app .sheet-head h2{margin:0;font-size:1.2rem}.child-app .sheet-head button{min-height:44px;box-shadow:none;padding:6px 14px;font-size:15px}.child-app .issue-form form{gap:12px;display:grid}.child-app .issue-form label{gap:6px;font-weight:600;display:grid}.child-app .issue-form textarea{min-height:120px}.child-app .issue-form p{color:var(--soft-ink);margin:8px 0;font-size:14px}.child-app .issue-shot{border:1px solid #0002;border-radius:12px;max-height:34dvh;margin:12px auto;display:block}.child-app .issue-actions{grid-template-columns:1fr 2fr;gap:8px;display:grid}.child-app .report-button{color:#b23a2b;min-height:44px;box-shadow:none;background:#fbe5e1;flex:none;padding:6px 12px;font-size:14px}.child-app .today-card .course-next{width:100%;min-height:56px;margin-top:16px;font-size:1.05rem;font-weight:700;display:block}.child-app .course-picker{scrollbar-width:none;-webkit-overflow-scrolling:touch;-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 40px),#0000);mask-image:linear-gradient(90deg,#000 calc(100% - 40px),#0000)}.child-app .course-picker::-webkit-scrollbar{display:none}.equation-scene .plate-body>.stones{grid-template-columns:repeat(4,30px);justify-content:center;gap:8px;display:grid}.equation-scene .plate{min-width:0;max-width:240px}@media (width<=420px){.equation-scene{gap:8px}.equation-scene .plate-body{padding:10px 6px}.equation-scene .plate-body>.stones{grid-template-columns:repeat(4,minmax(0,24px));gap:4px}}.shape-button .stone{background:radial-gradient(circle at 38% 38%,#7a3b22 0 2.4px,#0000 3px),radial-gradient(circle at 62% 38%,#7a3b22 0 2.4px,#0000 3px),radial-gradient(circle at 38% 62%,#7a3b22 0 2.4px,#0000 3px),radial-gradient(circle at 62% 62%,#7a3b22 0 2.4px,#0000 3px),radial-gradient(circle,#f59a74 0 9px,#e06f48 10px 11px,#f59a74 12px);border-radius:50%;box-shadow:inset 0 -2px #0000002e,0 0 0 1.5px #c85a35}.shape-button.stones-cool .stone{background:radial-gradient(circle at 38% 38%,#1f4f80 0 2.4px,#0000 3px),radial-gradient(circle at 62% 38%,#1f4f80 0 2.4px,#0000 3px),radial-gradient(circle at 38% 62%,#1f4f80 0 2.4px,#0000 3px),radial-gradient(circle at 62% 62%,#1f4f80 0 2.4px,#0000 3px),radial-gradient(circle,#7db4ea 0 9px,#4d93d9 10px 11px,#7db4ea 12px);box-shadow:inset 0 -2px #0000002e,0 0 0 1.5px #3a7cc0}.shape-block .stone{background:linear-gradient(#f28a63,#e06f48);border-radius:6px;box-shadow:inset 0 -4px #00000029}.shape-block.stones-cool .stone{background:linear-gradient(#6aa8e6,#3f86cf)}.shape-marble .stone{background:radial-gradient(circle at 32% 28%,#fff 0 3px,#b6e3d4 4px,#3aa57f 100%)}.shape-marble.stones-cool .stone{background:radial-gradient(circle at 32% 28%,#fff 0 3px,#cfe4fa 4px,#4d93d9 100%)}.shape-acorn .stone{background:linear-gradient(#7a4a26 0 38%,#0000 38%),radial-gradient(at 50% 70%,#c98a4b 0 60%,#a86b34 100%);border-radius:45% 45% 50% 50%/35% 35% 65% 65%;box-shadow:inset 0 -3px #00000026}.stones-moved.shape-button .stone,.stones-moved.shape-block .stone,.stones-moved.shape-marble .stone,.stones-moved.shape-acorn .stone{opacity:.4}.child-app .pair-submit:not(:disabled){background:var(--leaf);border-color:var(--leaf);color:#fff;box-shadow:0 5px 0 var(--leaf-deep)}.child-app .pair-submit:hover:not(:disabled){background:#34a873;border-color:#34a873}.child-app .pair-submit:disabled{color:#7b8f83;background:#d9e6de;border-color:#d9e6de;box-shadow:0 5px #c5d6cb}.child-app .switch-learner{background:var(--card,#fff);border-radius:24px;padding:24px 20px}.child-app .switch-learner h2,.child-app .switch-learner p{margin:0}.child-app .switch-learner form{flex-direction:column;gap:12px;display:flex}.child-app .switch-learner input{box-sizing:border-box;width:100%;min-height:56px;font-size:18px}.child-app .switch-learner .pair-submit,.child-app .switch-learner>button{width:100%;min-height:56px;font-size:1.1rem;font-weight:800}.child-app .switch-learner>button{box-shadow:0 4px 0 var(--edge);color:var(--soft-ink)}.child-app .sheet-head .sheet-close{width:44px;height:44px;min-height:44px;box-shadow:none;color:var(--soft-ink);background:0 0;border:0;border-radius:50%;place-items:center;padding:0;display:grid}.child-app .sheet-head .sheet-close:hover{background:#f1ece2}.free-score{text-align:center;color:var(--leaf-deep);margin:4px 0 0;font-size:1.15rem;font-weight:800}.free-score span{color:#f2b400}.pic-things{flex-wrap:wrap;justify-content:center;gap:12px;margin:12px 0;display:flex}.pic-thing{background:#fffaf0;border-radius:18px;justify-items:center;gap:6px;min-width:96px;padding:12px 10px;font-weight:700;display:grid}.pic-thing b{font-size:3rem;line-height:1}.shape-icon{vertical-align:middle;width:52px;height:52px;display:inline-block}.shape-box{background:linear-gradient(135deg,#f8c46b,#e09a2c);border-radius:6px;box-shadow:inset -8px -8px #0000001f}.shape-tube{background:linear-gradient(90deg,#6fa8e8,#3d78c4);border-radius:20px/8px;width:40px;box-shadow:inset 0 8px #ffffff59}.shape-ball{background:radial-gradient(circle at 35% 30%,#fff 0 10%,#ef7a5a 11% 100%);border-radius:50%}.equation-line .shape-icon{width:26px;height:26px}.pic-bars{gap:12px;margin:12px 0;display:grid}.pic-bar-row{grid-template-columns:6.5em 1fr;align-items:center;gap:10px;font-weight:700;display:grid}.pic-bar-track{border-left:3px dashed #c9b99a;height:26px;display:flex}.pic-bar{border-radius:8px;height:100%;transition:margin .4s;display:block}.pic-bars.vertical{grid-auto-columns:1fr;grid-auto-flow:column;align-items:end}.pic-bars.vertical .pic-bar-row{text-align:center;grid-template-rows:180px auto;grid-template-columns:none;justify-items:center}.pic-bars.vertical .pic-bar-track{border-bottom:3px dashed #c9b99a;border-left:0;flex-direction:column-reverse;width:44px;height:180px}.pic-bars.vertical .pic-bar{width:100%;height:auto}.pic-bars.vertical .pic-bar-name{order:2}.pic-seesaw{max-width:420px;height:150px;margin:12px auto;position:relative}.seesaw-board{background:#b9824c;border-radius:6px;justify-content:space-between;height:10px;transition:transform 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18px;display:block}.pic-tens{flex-wrap:wrap;justify-content:center;align-items:flex-end;gap:14px;margin:12px 0;display:flex}.ten-bundle{border:3px solid #e09a2c;border-radius:10px;gap:2px;padding:4px 6px;display:flex}.ten-ones{flex-wrap:wrap;gap:4px;max-width:260px;display:flex}.ten-stick{background:#c08a52;border-radius:4px;width:7px;height:52px;display:block}.ten-stick.loose{background:#e3b37a}.pic-line{flex-wrap:wrap;justify-content:center;gap:8px;margin:14px 0;display:flex}.pic-line span{box-sizing:border-box;background:#fff4dc;border-radius:16px;place-items:center;min-width:64px;height:64px;padding:0 8px;font-size:1.6rem;font-weight:800;display:grid}.pic-line span.blank{color:#e09a2c;background:#fff;border:3px dashed #e09a2c}.shape-sort{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.shape-sort button{justify-items:center;gap:4px;padding:12px 6px;font-weight:700;display:grid}.shape-sort button b{font-size:2.4rem;line-height:1}.shape-sort button[aria-pressed=true]{border-color:var(--leaf-deep);background:#e6f6ec}.pic-bars,.pic-seesaw{align-self:stretch;width:100%}.pic-bar{flex:none}.child-app .course-picker-wrap{position:relative}.child-app .course-picker-wrap.more-left .course-picker{-webkit-mask-image:linear-gradient(90deg,#0000,#000 40px calc(100% - 40px),#0000);mask-image:linear-gradient(90deg,#0000,#000 40px calc(100% - 40px),#0000)}.child-app .course-picker-wrap:not(.more-right) .course-picker{-webkit-mask-image:none;mask-image:none}.child-app .course-picker-wrap.more-left:not(.more-right) .course-picker{-webkit-mask-image:linear-gradient(90deg,#0000,#000 40px);mask-image:linear-gradient(90deg,#0000,#000 40px)}.child-app .picker-arrow{z-index:2;background:#fff;border-radius:50%;width:44px;height:44px;min-height:44px;padding:0;font-size:28px;font-weight:800;line-height:1;position:absolute;top:2px;box-shadow:0 2px 8px #00000026}.child-app .picker-arrow.left{left:-6px}.child-app .picker-arrow.right{right:-6px}.pic-clock{background:#fff;border:6px solid #e09a2c;border-radius:50%;width:160px;height:160px;margin:12px auto;position:relative;box-shadow:inset 0 0 0 4px #fff4dc}.clock-num{text-align:center;width:22px;height:22px;margin:-11px 0 0 -11px;font-size:15px;font-weight:800;line-height:22px;position:absolute;top:50%;left:50%}.clock-hand{transform-origin:50% 100%;border-radius:4px;position:absolute;bottom:50%;left:50%}.clock-hand.hour{background:#2b2b2b;width:7px;height:40px;margin-left:-3.5px}.clock-hand.minute{background:#e8664f;width:4px;height:60px;margin-left:-2px}.clock-pin{background:#2b2b2b;border-radius:50%;width:12px;height:12px;margin:-6px 0 0 -6px;position:absolute;top:50%;left:50%}.pic-flat{flex-wrap:wrap;justify-content:center;gap:16px;margin:12px 0;display:flex}.flat-shape{width:60px;height:60px;display:block}.flat-square{background:#4f8fe8;border-radius:4px}.flat-circle{background:#e8664f;border-radius:50%}.flat-triangle{border-bottom:60px solid #4caf72;border-left:34px solid #0000;border-right:34px solid #0000;width:0;height:0}.flat-pentagon,.flat-hexagon{background:#9a6ee8}.flat-pentagon{clip-path:polygon(50% 0,100% 38%,82% 100%,18% 100%,0 38%)}.flat-hexagon{clip-path:polygon(25% 3%,75% 3%,100% 50%,75% 97%,25% 97%,0 50%);background:#e89a3c}.pic-pattern span{font-size:2rem}.pic-groups{flex-wrap:wrap}.pic-groups span{letter-spacing:-.12em;width:auto;height:auto;min-height:56px;padding:6px 10px;font-size:1.5rem}.pic-table{border-collapse:collapse;background:#fff;border-radius:12px;min-width:min(100%,280px);margin:12px auto;font-size:1.15rem;overflow:hidden}.pic-table caption{padding-bottom:6px;font-weight:800}.pic-table th,.pic-table td{text-align:center;border:2px solid #f1d9a8;padding:8px 14px}.pic-table th{white-space:nowrap;background:#fff4dc}.pic-table td{min-width:48px;font-weight:800}.pic-table.graph td{text-align:left;letter-spacing:.08em;color:#e8664f}.pic-table tfoot th,.pic-table tfoot td{background:#fdf0d2}.pic-table .blank{color:#e09a2c;border:3px dashed #e09a2c;border-radius:8px;min-width:32px;display:inline-block}.pic-equation{text-align:center;letter-spacing:.04em;margin:12px 0;font-size:clamp(2rem,7vw,3rem);font-weight:800}.kid-home .kid-grade{color:#9a5b00;background:#fff4dc;border-radius:999px;margin:0 0 8px;padding:4px 12px;font-size:.9rem;font-weight:700;display:inline-block}.pic-table thead th{color:#8a5a12;font-size:.85rem;font-weight:700}.free-play .round-title{text-align:center;margin:8px 0 16px;font-size:1.5rem}.free-play .round-sizes{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.free-play .round-sizes button{white-space:nowrap;min-height:88px;padding:0 4px;font-size:1.3rem;font-weight:800}.free-play .celebrate button+button{margin-top:12px}.free-play .celebrate button:not(.next){width:100%;min-height:56px}.child-app{--ink:#1f2a44;--soft-ink:#5d6b8a;--paper:#e9eefb;--card:#ffffffc7;--edge:#a0b4dc73;--leaf:#2f6fed;--leaf-deep:#2457c5;--pick:#e8f0ff;--sky-soft:#e4edff;--accent:#2f6fed;--glass:#fff9;--glass-strong:#ffffffd1;--glass-edge:#ffffffe6;--glass-shadow:0 10px 30px #4664aa1f, inset 0 1px 0 #fffffff2;--press-shadow:0 6px 16px #4664aa24}body:has(.child-app){background:radial-gradient(600px 380px at 85% 4%,#a0c4ff8c,#0000 70%),radial-gradient(520px 420px at 0 60%,#c4d6ff8c,#0000 70%),linear-gradient(165deg,#eef4fd 0%,#e2ebfa 55%,#e9eefb 100%);min-height:100vh}html:has(.child-app){background:#e9eefb}.child-app .app-header h1{color:var(--ink);font-weight:800}.child-app section,.child-app aside{background:var(--glass);border:1px solid var(--glass-edge);box-shadow:var(--glass-shadow);-webkit-backdrop-filter:blur(18px)saturate(140%);backdrop-filter:blur(18px)saturate(140%)}.child-app .child-welcome{background:var(--glass)}.child-app button{background:var(--glass-strong);border:1.5px solid var(--edge);box-shadow:var(--press-shadow);color:var(--ink)}.child-app button:hover:not(:disabled){background:#fff;border-color:#2f6fed73}.child-app button:active:not(:disabled){transform:translateY(2px);box-shadow:0 2px 6px #4664aa24}.child-app button[aria-pressed=true],.child-app button[aria-pressed=true]:hover{background:var(--pick);border-color:var(--accent);color:var(--accent);box-shadow:0 0 0 2px #2f6fed2e, var(--press-shadow)}.child-app button.primary,.child-app .submit{color:#fff;background:linear-gradient(135deg,#5b9bff,#2f6fed);border-color:#0000;box-shadow:0 10px 24px #2f6fed52}.child-app button.primary:hover:not(:disabled){background:linear-gradient(135deg,#6aa5ff,#3a78f0);border-color:#0000}.child-app button.primary:disabled{color:#8a97b3;box-shadow:none;background:#dde5f5;border-color:#0000}.child-app .learner-menu .account-trigger{background:var(--glass);border:1px solid var(--glass-edge);box-shadow:var(--glass-shadow);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.child-app .kid-home .kid-grade{background:var(--pick);color:var(--accent)}.child-app .kid-more button{word-break:keep-all;flex-direction:row;justify-content:flex-start;align-items:center;gap:10px;min-height:84px;padding:14px;font-size:1.1rem}.child-app .kid-more button:before{flex:none;width:40px;height:40px;position:static}.child-app .activity-grid .tile-today:before{background:conic-gradient(var(--accent) 0 25%, transparent 0 50%, var(--accent) 0 75%, transparent 0), var(--pick)}.child-app .activity-grid .tile-course:before{background:radial-gradient(circle at 30% 50%, var(--coral) 0 9px, transparent 10px), radial-gradient(circle at 70% 50%, #4d93d9 0 9px, transparent 10px), #fff}.child-app .activity-grid .tile-practice:before{background:linear-gradient(var(--accent) 0 0) 50% 50% / 24px 6px no-repeat, linear-gradient(var(--accent) 0 0) 50% 50% / 6px 24px no-repeat, var(--pick)}.child-app .prompt{background:var(--sky-soft)}.child-app .prompt:after{border-top-color:var(--sky-soft)}.child-app .cheer{color:#1f7a50;background:#e7f6ee}.child-app .hint-bubble{border:1px solid var(--edge);background:#fff}.child-app .play-area{padding-top:12px}.child-app .number-choices button{flex:1 1 0;min-width:0;max-width:120px;padding:0 4px}.child-app .number-choices.len-3 button{font-size:1.6rem}.child-app .number-choices.len-4 button{letter-spacing:-.02em;font-size:1.3rem}.child-app .stepper li{color:var(--soft-ink);background:#ffffffb3}.child-app .stepper li.done{color:#1f7a50;background:#e7f6ee}.child-app .stepper li.done:before{background:#2e9d6a}.child-app .stepper li.now{background:var(--pick);color:var(--accent);box-shadow:inset 0 0 0 2px var(--accent)}.child-app .course-picker button[aria-pressed=true]{color:#fff;background:linear-gradient(135deg,#5b9bff,#2f6fed);border-color:#0000}.child-app .picker-arrow{background:#fff}.child-app .stage-label{color:var(--accent);margin:14px 0 0;font-size:.95rem;font-weight:800}.child-app .stage-label+.prompt{margin-top:6px}.child-app p[role=status]:empty{min-height:0;margin:0}.child-app .choices button.is-answer,.child-app .choices button.is-answer:disabled{color:#1f7a50;opacity:1;background:#e7f6ee;border-color:#2e9d6a}.child-app .choices button.is-miss:disabled{opacity:.55}.child-app .cheer.try{word-break:keep-all;color:var(--accent);background:#eef3ff}.child-app .free-play .note-start{width:100%;min-height:60px;margin-top:16px;font-size:1.1rem;font-weight:800}.child-app .activity-grid .tile-notes:before{background:repeating-linear-gradient(transparent 0 6px, var(--accent) 6px 8px) 50% 55% / 22px 24px no-repeat, var(--pick)}.child-app .grape-goal{text-align:center;border-radius:24px;margin-top:16px;padding:18px 16px 12px}.child-app .grape-goal h3{color:var(--ink);margin:0;font-size:1.3rem}.child-app .grape-goal p{color:var(--soft-ink);margin:4px 0 8px;font-weight:700}.grape-bunches{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.grape-bunch{width:100%;max-width:340px;height:auto}.grape-ring,.grape-ring rect{fill:#3b2a52}.grape-off circle{fill:#f6f1fb}.grape-off text{fill:#8a74a6;font-size:15px;font-weight:700}.grape-shine{fill:#fff;opacity:.55}.grape-dew{fill:#fff;opacity:.5}.grape-leaf{fill:#5fa83a}.grape-leaf.light{fill:#6fb846}.grape-vein{fill:none;stroke:#3f7d24;stroke-width:1.4px}.grape-stem{fill:none;stroke:#7a5a2e;stroke-width:6px;stroke-linecap:round}.child-app .grape-goal{flex-direction:column;align-items:center;gap:0}.grape-bunches{width:100%}.grape-bunch{margin:0 auto;display:block}.child-app .grape-goal .grape-rules-open{min-height:44px;box-shadow:none;color:var(--soft-ink);text-underline-offset:3px;background:0 0;border:0;margin-top:8px;padding:6px 16px;font-size:15px;font-weight:800;text-decoration:underline}.child-app .grape-rules{width:min(440px,100% - 32px);max-height:calc(100dvh - 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