@import url('/brand.css?v=2');
body{background:#edf5f7}button,input{font:inherit}button{cursor:pointer;min-height:48px;border:0;border-radius:12px;padding:11px 20px;font-weight:600}button:disabled{opacity:.55;cursor:default}button:focus-visible,input:focus-visible{outline:3px solid #b57513;outline-offset:4px}.primary{background:#f5bd4f;color:#113746;box-shadow:0 4px 0 #d59b30}.secondary{background:#096570;color:#fff}.quiet{background:#fff;border:1px solid #c5dadd;color:#113746}.text-button{background:transparent;color:#096570;text-decoration:underline;text-underline-offset:5px}.game-link{display:inline-flex;color:#096570;padding:12px;font-weight:600}.full-width{width:100%}.hidden{display:none!important}.small{font-size:.875rem;color:#4d6771;line-height:1.9}.game-top{max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid #cfdee2;gap:14px}.game-top .brand-symbol{width:50px;height:50px}.game-top .brand-words{font-size:1.12rem}.game-top .brand-words small{letter-spacing:0}.game-footer{max-width:1100px;margin:35px auto 0;padding:22px;text-align:center;font-size:.875rem;color:#4d6771}.game-footer a{margin:0 12px}.game-shell{max-width:1120px;padding:24px;margin:auto}.game-shell.narrow{max-width:810px}.game-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:24px}.game-heading .eyebrow{margin:0}.game-heading h1{margin:5px 0;font-size:2rem}.game-welcome{max-width:1140px;margin:30px auto;border-radius:28px;overflow:hidden;display:grid;grid-template-columns:1.05fr 1fr;box-shadow:0 18px 55px #11374613;background:#fff}.welcome-visual{position:relative;min-height:520px}.welcome-visual>img{width:100%;height:100%;object-fit:cover}.image-label{position:absolute;bottom:25px;right:25px;left:25px;color:#fff;background:#113746da;border:1px solid #ffffff70;padding:12px 20px;border-radius:12px;text-align:center;font-weight:600}.welcome-body{padding:40px}.welcome-body h1{font-size:2.35rem;line-height:1.55;margin-bottom:16px}.welcome-body p{font-size:1.05rem}.welcome-body .small{font-size:.875rem}.welcome-body label{display:block;margin-bottom:8px;font-weight:600}.welcome-body input{display:block;width:100%;padding:13px 16px;border:1px solid #abc9ce;border-radius:12px;background:#f6fafb;margin-bottom:18px;color:#113746;font-size:1.1rem}.welcome-body form>.primary{width:100%}.welcome-body .text-button{display:block;margin:18px auto 0}.map-banner{position:relative;min-height:370px;border-radius:25px;overflow:hidden;background:#113746;color:white;margin-bottom:25px}.map-banner>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.map-banner::after{content:'';position:absolute;inset:0;background:linear-gradient(270deg,#082d41ed 0%,#082d41c9 30%,#082d4100 76%)}.map-banner-copy{position:relative;z-index:1;padding:38px;max-width:600px}.map-banner h1{font-size:2.3rem;margin-bottom:12px}.map-banner .eyebrow,.map-banner .small{color:#d6f3f5}.crystal-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:16px 0}.crystal{display:grid;place-items:center;width:42px;height:46px;font-size:1.8rem;color:#829ba5;background:#ffffff18;border:1px solid #a9bec0;border-radius:12px;line-height:1}.crystal.earned{color:var(--world);background:#fff;border-color:var(--world);box-shadow:0 0 0 2px #fff}.world-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.world-card{background:#fff;border:1px solid #d5e4e7;border-radius:21px;overflow:hidden;transition:transform .15s}.world-card:hover{transform:translateY(-3px)}.world-card>img{width:100%;height:175px;object-fit:cover;object-position:center 48%}.world-card-body{padding:21px;position:relative}.world-card h2{font-size:1.28rem;margin:0 0 8px}.world-card p{font-size:.94rem;margin:0 0 15px;color:#4d6771}.world-symbol{display:inline-flex;background:var(--world);color:white;padding:3px 12px;border-radius:10px;line-height:1.6;min-width:45px;justify-content:center;font-size:1.25rem;margin-bottom:14px}.world-button{display:flex;align-items:center;justify-content:center;width:100%;min-height:48px;border-radius:11px;padding:10px 14px;background:var(--world);color:#fff;text-decoration:none;font-size:.94rem;font-weight:600}.stage-dots{display:flex;gap:6px;margin:14px 0}.stage-dots span{height:5px;flex:1;border-radius:5px;background:#d9e5e7}.stage-dots .done{background:var(--world)}.resume-bar{padding:20px 24px;margin:20px 0 26px;border:1px solid #c99a39;background:#fff6de;border-radius:16px;display:flex;justify-content:space-between;gap:18px;align-items:center}.resume-bar p{margin:3px 0 0;font-size:.94rem}.world-intro{display:grid;grid-template-columns:1fr 1fr;background:white;border-radius:22px;overflow:hidden;margin-bottom:28px;border:1px solid #d5e4e7}.world-intro img{height:300px;width:100%;object-fit:cover}.world-intro>div{padding:30px}.world-intro h2{font-size:1.65rem}.world-intro .eyebrow{color:var(--world)}.lesson-road{position:relative;display:grid;gap:18px}.lesson-stop{position:relative;background:white;border:1px solid #d5e4e7;border-radius:18px;padding:23px;display:grid;grid-template-columns:54px 1fr auto;align-items:center;gap:20px}.lesson-stop.completed{border-color:#67a589}.stop-number{display:grid;place-items:center;width:50px;height:50px;border:2px solid #d7a44b;border-radius:50%;background:#fff4d6;font-size:1.4rem;font-weight:600}.lesson-stop h2{margin:0 0 4px;font-size:1.3rem}.lesson-stop p{margin:0}.lesson-stop .eyebrow{font-size:.875rem}.lesson-stop>div>p:last-child{font-size:.94rem;color:#4d6771}.story-panel{display:grid;grid-template-columns:.85fr 1.15fr;background:#fff;overflow:hidden;border:1px solid #d5e4e7;border-radius:24px}.story-panel>img{height:100%;min-height:400px;object-fit:cover;width:100%}.story-page{padding:36px}.story-page h2{font-size:1.7rem}.story-page p{font-size:1.2rem;line-height:2.15}.chapter-label{display:inline-flex;color:#096570;background:#e2f3f3;padding:5px 12px;font-size:.875rem;border-radius:8px;margin-bottom:20px}.story-destination{display:flex;align-items:center;gap:12px;padding:16px 0;margin:10px 0 20px;color:#765019;font-size:.94rem;border-top:1px solid #eadcbd}.story-destination>span:first-child{font-size:2rem;color:#c9983d}.exercise-panel{background:#fff;padding:34px;border:1px solid #d5e4e7;border-radius:23px}.exercise-panel h1{font-size:1.55rem;line-height:2;margin:5px 0 20px;font-weight:600}.exercise-panel h2{font-size:1.35rem;line-height:2}.learning-board{padding:18px;border-radius:16px;background:#eff7f8;border:1px solid #d9e9eb;text-align:center;min-height:15px;margin:18px 0}.learning-board:empty{display:none}.math-equation{direction:ltr;font-size:1.95rem;font-weight:600;margin:12px 0 2px;white-space:normal}.pieces{display:flex;gap:9px;justify-content:center;flex-wrap:wrap;max-width:480px;margin:10px auto}.piece{display:inline-flex;width:28px;height:28px;border:2px solid #147d86;border-radius:7px;background:#147d86;align-items:center;justify-content:center;font-size:1rem;color:white;flex:none;min-height:0;padding:0;line-height:1}.piece.gold{background:#e9b347;border-color:#c59022}.piece.interactive{width:44px;height:44px;border-radius:11px;min-height:44px;cursor:pointer;font-size:1.3rem}.piece.tagged{background:#fff3ce;border-color:#bd831c;color:#684600}.piece.removed{background:white;border:2px dashed #718d96;color:#48656f}.groups{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.piece-group{display:grid;grid-template-columns:repeat(5,18px);padding:12px;gap:5px;border:2px solid #9cc0c6;border-radius:13px;background:white}.piece-group .piece{width:18px;height:18px;border-radius:5px}.piece-group:has(.piece:nth-child(2):last-child){grid-template-columns:repeat(2,24px)}.piece-group:has(.piece:nth-child(2):last-child) .piece{width:24px;height:24px}.build-frame{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;max-width:330px;margin:10px auto;direction:ltr}.frame-piece{aspect-ratio:1;display:grid;place-items:center;border:2px dashed #9bbbc3;border-radius:9px;background:#fff;min-width:0;color:#113746;font-size:1.5rem}.frame-piece.fixed{background:#147d86;border-style:solid;border-color:#147d86;color:#fff}.frame-piece.placed{background:#f5bd4f;border-style:solid;border-color:#bf8c25}.interaction-note{text-align:center;color:#4d6771;font-size:.94rem}.build-counter{display:flex;justify-content:center;gap:25px;align-items:center;margin:18px 0}.build-counter button{font-size:1.6rem;min-width:55px}.build-counter output{font-size:2rem;min-width:50px;text-align:center}.answer-options{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;direction:ltr;margin:22px 0}.answer-option{background:white;color:#113746;border:2px solid #9dbbc4;min-height:66px;font-size:1.65rem;line-height:1.65}.answer-option:hover:not(:disabled){background:#edf6f7;border-color:#147d86}.answer-options.word-options{grid-template-columns:1fr;direction:rtl;gap:10px}.word-options .answer-option{font-size:1.08rem;text-align:right;padding:15px 20px;min-height:56px}.number-answer{display:grid;grid-template-columns:auto minmax(70px,1fr) 1.3fr;gap:14px;align-items:center;margin:22px 0}.number-answer label{font-weight:600}.number-answer input{min-width:0;width:100%;border:2px solid #9dbbc4;border-radius:12px;padding:8px;color:#113746;font-size:1.75rem;direction:ltr;text-align:center;height:57px}.feedback{padding:14px 18px;background:#eff5f7;color:#45616c;border-radius:13px;font-size:1rem;line-height:2;margin:20px 0 15px}.feedback.correct{background:#def2e6;color:#155c38}.feedback.retry{background:#fff2dd;color:#73501e}.help-row{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:15px 0}.help-row>label{display:flex;align-items:center;gap:8px;font-size:.94rem}.help-row input{width:21px;height:21px;accent-color:#147d86}.hint-panel{padding:18px;border-right:4px solid #d6a137;background:#fff7e1;border-radius:12px}.hint-panel p{margin:8px 0}.vocab-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;text-align:center}.vocab-grid>div{border:1px solid #c6dbdf;padding:14px;background:#fff;border-radius:12px}.vocab-grid strong{font-size:1.35rem;font-weight:600;display:block;color:#2c609c}.vocab-grid span{display:block;margin-top:4px;font-size:1rem}.sequence{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;align-items:center}.sequence-item{background:#fff;padding:6px 13px;border:1px solid #bcd3d8;border-radius:10px;min-width:46px;font-size:1.5rem}.sequence-item.unknown{border:2px dashed #c4952d;background:#fff5d7}.color-sample{width:90px;height:90px;border-radius:14px;margin:auto;border:3px solid #ffffff;box-shadow:0 0 0 1px #b9cdd1}.task-top{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:20px;font-size:.94rem}.quest-progress{display:flex;align-items:center;gap:12px;margin:20px 0;font-size:.875rem;color:#48656f}.quest-progress>div{flex:1;background:#d0e1e5;border-radius:10px;height:8px;overflow:hidden}.quest-progress i{display:block;height:100%;background:#147d86}.checkpoint-card,.finish-card{background:white;border:1px solid #d5e4e7;border-radius:24px;padding:34px;text-align:center}.checkpoint-card h1,.finish-card h1{font-size:2rem}.checkpoint-card>img{width:100%;height:235px;object-fit:cover;border-radius:16px;margin:20px 0}.checkpoint-card>p,.finish-card>p{font-size:1.1rem;line-height:2}.trail{display:flex;gap:10px;justify-content:center;margin:24px 0;direction:ltr}.trail span{width:36px;height:36px;background:#edf5f7;border:1px solid #bad1d7;border-radius:50%;display:grid;place-items:center}.trail span.done{background:#147d86;color:#fff;border-color:#147d86}.finish-crystal{display:block;font-size:5rem;line-height:1.4;color:var(--world);text-shadow:0 6px 0 #14374612}.finish-card .crystal-row{justify-content:center}.finish-card .crystal:not(.earned){background:#eaf2f5}.finish-actions{display:grid;gap:12px;margin-top:24px}.result-summary{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:22px 0}.result-summary>div{padding:18px;background:#edf5f7;border:1px solid #d5e4e7;border-radius:15px}.result-summary strong{display:block;font-size:2.2rem}.result-summary span{font-size:.875rem;display:block}.parent-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.parent-summary>div{padding:24px;border:1px solid #c9dce1;border-radius:17px;background:white;text-align:center}.parent-summary strong{font-size:2.2rem;display:block}.parent-summary span{font-size:.94rem}.report-note{margin:25px 0;color:#4d6771}.report-island{padding:25px;background:#fff;border:1px solid #d5e4e7;border-radius:18px;margin-bottom:20px}.report-island article+article{border-top:1px solid #d5e4e7;margin-top:20px;padding-top:20px}.report-island h3{font-size:1.15rem}.report-island article>p{font-size:.94rem}.report-island details{margin-bottom:16px}.report-island small{display:block;color:#4d6771;font-size:.875rem}.report-island li{margin:10px 0}.report-bottom{padding:24px 0}.danger{color:#963c29}.empty-state,.demo-note{padding:25px;border:1px solid #ccdfe3;border-radius:16px;background:#fff;margin:24px 0}.worked-explanation{font-size:1.2rem;line-height:2.15;padding:10px 0 18px}bdi[lang=en]{font-family:Arial,sans-serif;letter-spacing:.02em}
@media(max-width:900px){.game-welcome{margin:22px;grid-template-columns:.9fr 1fr}.welcome-body{padding:28px}.welcome-body h1{font-size:1.9rem}.world-grid{grid-template-columns:repeat(2,1fr)}.story-panel{grid-template-columns:.8fr 1fr}.story-page{padding:28px}.map-banner h1{font-size:2rem}.map-banner-copy{max-width:520px}}
@media(max-width:640px){.game-top{padding:12px 16px}.game-top .brand-words{font-size:1rem}.game-top .brand-symbol{width:44px;height:44px}.game-top .quiet{font-size:.875rem;padding:8px 12px}.game-shell{padding:18px 14px}.game-heading{align-items:flex-start;flex-wrap:wrap}.game-heading h1{font-size:1.6rem}.game-heading>.quiet{font-size:.875rem}.game-welcome{margin:14px;grid-template-columns:1fr;border-radius:20px}.welcome-visual{min-height:0;height:225px}.welcome-body{padding:25px}.welcome-body h1{font-size:1.8rem}.welcome-body p{font-size:1rem}.image-label{bottom:13px;right:16px;left:16px;font-size:.875rem;padding:7px}.world-grid{gap:14px;grid-template-columns:1fr}.world-card{display:grid;grid-template-columns:110px minmax(0,1fr);border-radius:17px}.world-card>img{width:100%;height:100%;min-height:200px}.world-card-body{padding:17px}.world-symbol{font-size:1rem;margin-bottom:10px;padding:2px 10px}.world-card h2{font-size:1.1rem}.world-card p{font-size:.875rem;margin-bottom:12px}.world-button{font-size:.875rem;padding:9px;min-height:44px}.stage-dots{margin:12px 0}.map-banner{min-height:340px;border-radius:19px}.map-banner-copy{padding:25px 22px}.map-banner h1{font-size:1.7rem}.map-banner p{font-size:.94rem}.map-banner::after{background:linear-gradient(270deg,#082d41ef,#082d41a0)}.crystal-row{gap:6px}.crystal{width:33px;height:38px;font-size:1.45rem;border-radius:8px}.resume-bar{padding:17px;align-items:flex-start;flex-wrap:wrap}.world-intro{grid-template-columns:1fr}.world-intro img{height:190px}.world-intro>div{padding:22px}.world-intro h2{font-size:1.4rem}.lesson-stop{padding:18px;grid-template-columns:42px minmax(0,1fr);gap:13px}.lesson-stop>button{grid-column:1/-1;width:100%}.stop-number{width:40px;height:40px;font-size:1.2rem}.lesson-stop h2{font-size:1.16rem}.story-panel{grid-template-columns:1fr}.story-panel>img{height:190px;min-height:0}.story-page{padding:25px}.story-page p{font-size:1.13rem}.story-page h2{font-size:1.45rem}.story-page .primary{width:100%}.exercise-panel{padding:23px 18px;border-radius:19px}.exercise-panel h1{font-size:1.28rem}.exercise-panel h2{font-size:1.2rem}.task-top{flex-wrap:wrap;gap:12px}.task-top>.quiet{font-size:.875rem}.quest-progress{gap:9px;font-size:.875rem}.learning-board{padding:14px 10px}.math-equation{font-size:1.7rem}.number-answer{grid-template-columns:55px 1fr;gap:10px}.number-answer button{grid-column:1/-1;width:100%}.number-answer input{font-size:1.6rem}.answer-options{gap:8px}.answer-option{font-size:1.5rem;min-height:62px;padding:8px}.word-options .answer-option{font-size:1rem;padding:13px 15px}.help-row{align-items:flex-start}.help-row>label{font-size:.875rem}.feedback{font-size:.96rem;padding:14px}.pieces{gap:8px}.piece.interactive{height:42px;width:42px;min-height:42px}.build-frame{gap:6px;max-width:295px}.vocab-grid{gap:8px}.vocab-grid>div{padding:12px 8px}.vocab-grid strong{font-size:1.16rem}.vocab-grid span{font-size:.94rem}.sequence{gap:6px}.sequence-item{min-width:36px;font-size:1.3rem;padding:5px 9px}.parent-summary{gap:6px}.parent-summary>div{padding:16px 6px}.parent-summary strong{font-size:1.65rem}.parent-summary span{font-size:.875rem}.report-island{padding:20px}.checkpoint-card,.finish-card{padding:26px 18px}.checkpoint-card h1,.finish-card h1{font-size:1.7rem}.checkpoint-card>img{height:190px}.trail{gap:6px}.trail span{width:32px;height:32px}.result-summary{gap:10px}.result-summary>div{padding:13px 8px}.result-summary strong{font-size:1.8rem}.game-footer{margin-top:15px}.worked-explanation{font-size:1.1rem}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.review-notice{padding:10px 18px;background:#fff3d5;border-bottom:1px solid #d3ad51;text-align:center;font-size:.875rem}

/* Parent-facing upgrade after the single free adventure. */
.bundle-unlock{margin:28px 0 8px;padding:30px;border:2px solid #e3b147;border-radius:20px;background:#fff7df;text-align:center;color:#113746}.bundle-unlock h2{font-size:1.65rem;line-height:1.6;margin:8px 0 12px}.bundle-unlock>p{line-height:1.9}.unlock-price strong{display:block;font-size:2rem}.unlock-link{display:inline-flex;align-items:center;justify-content:center;min-height:48px;border-radius:12px;padding:12px 20px;text-decoration:none;text-align:center;font-weight:600}.bundle-unlock .unlock-link{display:flex;max-width:480px;margin:18px auto 8px}.number-answer input[aria-invalid=true]{border-color:#ad6b17}.world-button span{flex-shrink:0}@media(max-width:600px){.bundle-unlock{padding:22px 16px}.bundle-unlock h2{font-size:1.4rem}.unlock-link{width:100%}}

/* Concrete quantities before numeral recognition; one touch per object. */
.beginner .exercise-panel{padding:24px}.beginner .exercise-panel h1,.beginner .exercise-panel h2{text-align:center;font-size:1.75rem;line-height:1.7}.primer-panel{text-align:center}.number-meaning{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:24px;margin:16px 0}.number-meaning>div:last-child{min-width:0;max-width:100%}.numeral-card{display:grid;gap:8px;padding:14px 30px;border:2px solid #147d86;border-radius:20px;background:#e7f6f6;min-width:120px}.numeral-card strong,.target-numeral{font-size:5rem;line-height:1.3;color:#096570}.numeral-card span{font-size:1.25rem}.counting-set{display:grid;grid-template-columns:repeat(var(--columns),minmax(0,1fr));gap:8px;width:calc(var(--columns)*56px + (var(--columns) - 1)*8px);max-width:100%;margin:16px auto}.counting-piece{display:grid;place-items:center;aspect-ratio:1;width:100%;min-height:0;padding:0;background:#147d86;border:2px solid #0e646b;border-radius:6px;color:#fff;font-size:1.6rem;font-weight:700}.counting-piece.circle{border-radius:50%}.counting-piece.counted,.counting-piece.counted:disabled{background:#f5bd4f;border-color:#a97818;color:#113746;opacity:1}.counting-summary{font-size:1.3rem;min-height:2em;margin:12px 0;font-weight:600}.empty-quantity{display:grid;place-items:center;width:150px;max-width:100%;min-height:90px;margin:12px auto;border:2px dashed #819aa3;border-radius:14px;background:white;color:#4d6771;font-size:1.1rem}.primer-actions{display:flex;gap:12px;margin:24px 0 16px}.primer-actions>button{flex:1}.comparison-cards,.answer-options.quantity-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.comparison-card{border:2px solid #cfdee2;border-radius:16px;padding:16px}.comparison-card.highlighted{border-color:#147d86;background:#e7f6f6}.comparison-card>strong{font-size:2rem}.compact-set{gap:6px;width:calc(var(--columns)*24px + (var(--columns) - 1)*6px)}.compact-set .counting-piece{border-width:1px}.quantity-options .answer-option{min-height:110px;padding:16px;display:grid;place-items:center}.quantity-options .empty-quantity{width:100%;min-height:65px;margin:0}.beginner .answer-option{font-size:2rem}.beginner .learning-board{overflow:hidden}.beginner .help-row{flex-wrap:wrap}@media(max-width:640px){.beginner .exercise-panel{padding:18px 14px}.beginner .exercise-panel h1,.beginner .exercise-panel h2{font-size:1.4rem}.beginner .learning-board{padding:14px 6px}.number-meaning{gap:16px}.number-meaning>div:last-child{width:100%}.counting-set{gap:6px}.counting-piece{font-size:1.25rem}.comparison-card{padding:12px 8px}.quantity-options .answer-option{padding:12px 8px}.primer-actions{gap:8px}.primer-actions>button{padding:12px 10px}}