@charset "UTF-8";
button{transition:transform .16s ease,box-shadow .16s ease,background-color .18s ease}button:not(:disabled):active{transform:scale(.96)!important;box-shadow:0 1px 2px #19294518}main{animation:page-enter .22s ease-out}.type-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-bottom:24px}.type-card{background:white;border:2px solid #dce5f2;border-radius:22px;padding:26px 20px;display:flex;flex-direction:column;align-items:center;gap:15px;box-shadow:0 4px 0 #dce5f2;min-height:180px}.type-card>span{font-size:37px}.type-card strong{font-size:24px}.type-card small{color:#64728a}.breadcrumb{max-width:950px;margin:0 auto 16px;font-size:17px;color:#64728a;line-height:1.6}.stage-note{margin-top:22px}.level-row{text-align:left}.level-row strong{flex:1}.level-row small{flex-shrink:0}.correct-choice:disabled{opacity:1!important;background:#dcf7df;border:3px solid #32a564!important;color:#176539!important;box-shadow:0 0 0 5px #dcf7df!important}.feedback.retry{color:#825b20;background:#fff4db;border-radius:14px}.celebration-stars{display:flex;justify-content:center;gap:22px;color:#edb22c;font-size:32px;animation:star-bounce .6s ease-in-out 2}.auto-next{font-size:17px;color:#61758d}.celebrating .feedback{font-size:24px;color:#176539}.practice-row{border-top:1px solid #e0e7f1;padding:22px 0 5px}.practice-row h3 small{display:block;color:#64728a;margin-top:8px}.practice-row .inline-actions{flex-wrap:wrap;justify-content:flex-start}.audio-history{font-size:16px;line-height:1.8;color:#61758d}.install-shortcut{margin-top:18px;text-align:center}.install-panel{max-width:760px;margin:auto;background:white;border:1px solid #e0e7f1;padding:35px;border-radius:26px;text-align:center}.install-star{margin:0 auto 22px;width:80px;height:80px;font-size:65px}.install-steps{list-style:none;padding:0;text-align:left;margin:28px 0}.install-steps li{display:flex;gap:18px;padding:20px 0;border-top:1px solid #e0e7f1}.install-steps li>b{background:#eaf1ff;color:#245bd6;border-radius:50%;width:44px;height:44px;flex-shrink:0;display:grid;place-items:center;font-size:23px}.install-steps strong{display:block;font-size:22px;margin-bottom:9px}.install-steps span{font-size:18px;line-height:1.65;color:#64728a}.install-panel>.primary{margin-bottom:25px}.install-panel>.secondary-copy{font-size:16px}.settings-form input[type=range]{min-height:48px;touch-action:pan-y}.header-actions{flex-wrap:wrap}
@keyframes page-enter{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes star-bounce{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-7px) scale(1.12)}}
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@media(max-width:650px){.type-grid{grid-template-columns:1fr}.type-card{min-height:145px}.level-row{gap:10px}.header-actions .header-stars{min-width:60px;padding:8px;font-size:15px}.app-header .brand{font-size:18px}.app-header .brand-star{width:33px;height:33px;font-size:27px}.home-button{font-size:13px;min-height:44px}.breadcrumb{font-size:15px}.install-steps strong{font-size:19px}.install-steps span{font-size:16px}.practice-row .inline-actions>*{flex:1 1 100%}.install-panel h1{font-size:29px}}
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#0003}.storage-warning{background:#fff0cb;color:#795400;padding:16px;text-align:center;font-size:17px;line-height:1.6}.loading{text-align:center;margin-top:25vh}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.error{color:#aa4631}.phonics{text-align:center;font-size:17px;color:#596b89}body[data-theme=space]{background:#e7ebf8}body[data-theme=space] .app-header{background:#f5f5ff}body[data-theme=forest]{background:#e8f2ed}body[data-theme=forest] .app-header{background:#f2faf6}@keyframes gentlePop{from{transform:scale(.96)}to{transform:scale(1)}}
@media(max-width:1240px){main{margin:0 32px}.app-footer{margin:0 32px}.app-header{padding:0 32px}.subject-card{padding:22px}.subject-symbol{font-size:60px}.subject-card strong{font-size:27px}}
@media(max-width:900px){main{margin:0 24px;padding-top:28px}.app-header{padding:0 24px;height:82px}.subject-grid{gap:14px}.subject-card{padding:19px;min-height:260px}.subject-card strong{font-size:25px}.subject-description{font-size:16px}.quick-grid{gap:12px}.quick-card{padding:16px 13px;gap:10px}.quick-card strong{font-size:18px}.quick-card small{font-size:13px}.quick-icon{width:43px;height:43px;font-size:26px}.challenge-card{padding:23px;gap:20px}.challenge-icon{width:85px;height:90px;font-size:48px}.challenge-copy h2{font-size:24px}.primary.light{padding:14px 20px;font-size:18px}.stat-grid{grid-template-columns:repeat(2,1fr)}.form-grid{grid-template-columns:repeat(2,1fr)}.subject-stat-grid{gap:12px}.subject-stat-grid>div{padding:15px}.badge-list{grid-template-columns:repeat(3,1fr)}.question-panel{padding:26px}.question-title h1{font-size:25px}.choices.count-4{grid-template-columns:repeat(2,1fr)}.choice{min-height:92px}.question-display.sentence{font-size:30px}.reward-grid{gap:14px}.reward-card{padding:20px 12px}.reward-card h2{font-size:20px}}
@media(max-width:650px){main{margin:0 16px;padding-top:24px}.app-header{padding:0 16px;height:76px}.brand{font-size:21px;gap:9px}.brand-star{width:39px;height:39px;border-radius:12px;font-size:32px}.header-actions{gap:6px}.header-stars{font-size:17px;min-width:70px;padding:10px 13px}.icon-button{width:40px;min-height:45px;font-size:26px}.home-button{font-size:15px;min-height:45px}.home-heading{margin-bottom:23px;align-items:flex-start}.home-heading h1{font-size:29px}.home-heading p{font-size:19px}.eyebrow{font-size:13px}.day-chip{display:none}.subject-grid{grid-template-columns:1fr;gap:13px;margin-bottom:20px}.subject-card{min-height:125px;padding:22px 22px 22px 108px;justify-content:center;border-radius:20px}.subject-top{position:absolute;top:18px;right:18px;width:auto}.small-star{display:none}.level-tag{font-size:12px;padding:3px 7px}.subject-symbol{position:absolute;left:23px;top:29px;font-size:50px;margin:0}.subject-symbol.math{font-size:38px;top:41px;letter-spacing:-3px}.subject-symbol.english{font-size:44px;top:37px}.subject-card strong{font-size:26px}.subject-description{font-size:17px}.card-bottom{display:none}.challenge-card{gap:15px;padding:22px;flex-wrap:wrap;border-radius:20px;margin-bottom:20px}.challenge-icon{width:54px;height:64px;font-size:37px;border-radius:15px}.challenge-copy{min-width:200px}.challenge-copy h2{font-size:23px}.challenge-copy p{font-size:15px}.primary.light{width:100%;margin-top:6px;min-height:55px}.quick-grid{grid-template-columns:1fr;gap:12px}.quick-card{padding:16px 20px;min-height:85px}.quick-icon{width:48px;height:48px}.quick-card strong{font-size:20px}.quick-card small{font-size:14px}.home-foot{flex-direction:column;gap:8px;font-size:13px}.app-footer{margin:0 16px;font-size:12px;gap:20px}.app-footer span{max-width:170px;text-align:right}.question-panel{padding:22px 16px}.question-title{align-items:flex-start;gap:10px}.question-title h1{font-size:23px}.audio-button{font-size:0;width:51px;min-height:50px;padding:10px}.audio-button::first-letter{font-size:23px}.lesson-top{font-size:16px}.pill{font-size:14px;padding:7px 10px}.question-display{font-size:56px;min-height:120px}.question-display.sentence{font-size:26px}.question-display.objects{font-size:29px}.choices{gap:13px;grid-template-columns:1fr}.choices.count-2,.choices.count-3,.choices.count-4{grid-template-columns:repeat(2,minmax(0,1fr))}.choices.count-3 .choice:last-child{grid-column:span 2}.choice,.choices.count-4 .choice{font-size:27px;min-height:85px}.feedback{font-size:17px;padding:16px 8px}.feedback.success{font-size:19px}.hint{font-size:17px;padding:13px 15px}.question-footer{gap:5px}.match-grid{gap:18px}.match-grid .choice{font-size:22px;min-height:80px}.completion,.gate,.mini{padding:28px 20px;margin:15px auto}.completion h1{font-size:32px}.completion p{font-size:20px}.completion-medal{font-size:80px}.completion-count{font-size:20px}.completion .inline-actions>.primary,.completion .inline-actions>.secondary{width:100%}.level-list{grid-template-columns:1fr}.subject-intro{padding:25px;gap:20px;align-items:flex-start}.intro-symbol{min-width:60px;font-size:62px;letter-spacing:-6px}.subject-intro h2{font-size:25px}.subject-intro p{font-size:18px}.subject-intro .primary{font-size:18px}.reward-grid{grid-template-columns:repeat(2,1fr)}.reward-card .primary{font-size:15px;min-height:55px;padding:10px 12px}.star-wallet{padding:22px;gap:16px}.star-wallet>strong{font-size:43px}.star-wallet>div{font-size:18px}.star-wallet small{font-size:13px}.reward-icon{font-size:52px}.reward-card h2{font-size:19px}.badge-list{grid-template-columns:repeat(2,1fr)}.badges{padding:22px}.badge-list strong{font-size:15px}.tabs{max-width:100%;width:100%;gap:3px}.tabs button{flex:1;padding:10px 8px;font-size:15px}.parent-panel{padding:22px 18px}.stat-grid{gap:12px}.stat-grid>div{padding:18px}.stat-grid small{font-size:14px}.stat-grid strong{font-size:25px}.subject-stat-grid{grid-template-columns:1fr}.subject-stat-grid h3{margin-top:12px}.form-grid{grid-template-columns:1fr}.parent-panel .inline-actions{align-items:stretch}.parent-panel .inline-actions>*{flex:1;white-space:nowrap;font-size:16px}.parent-panel li{font-size:17px}.history-chart{gap:7px}.history-chart .bar-col>span{font-size:12px}.writing-controls>.inline-actions{gap:9px;width:100%}.writing-controls>.inline-actions>*{flex:1;font-size:15px;padding:11px 12px}.writing-board>span{font-size:220px}.writing-note{font-size:17px}.resume-banner{font-size:16px;padding:14px;gap:12px}.resume-banner .primary{font-size:14px;padding:10px 12px}.memory-card{height:90px;font-size:39px}.memory-grid{gap:12px}.toast{font-size:16px}.phonics{font-size:15px}}
@media(min-width:901px) and (max-height:900px) and (orientation:landscape){.app-header{height:76px}main{padding-top:24px}.home-heading{margin-bottom:20px}.home-heading h1{font-size:34px}.home-heading p{font-size:20px}.day-chip{padding:12px 22px}.subject-grid{gap:20px;margin-bottom:20px}.subject-card{padding:17px 23px;min-height:230px}.subject-symbol{font-size:51px;line-height:1;margin:5px 0 8px}.subject-symbol.math{font-size:49px}.subject-card strong{font-size:26px}.subject-description{font-size:17px;margin-top:5px}.card-bottom{margin-top:14px;padding-top:12px}.level-tag{padding:4px 9px;font-size:14px}.challenge-card{padding:20px 27px;margin-bottom:20px;gap:23px}.challenge-icon{width:82px;height:82px;font-size:48px}.challenge-copy h2{font-size:25px}.challenge-copy p{font-size:16px;margin-bottom:7px}.quick-card{min-height:85px;padding:15px 20px}.quick-icon{width:47px;height:47px;font-size:28px}.quick-card strong{font-size:19px}.home-foot{margin-top:18px}.home-heading .eyebrow{margin-bottom:7px}.lesson-top{margin-bottom:12px}.lesson-progress{margin-bottom:18px}.question-panel{padding:24px 32px 20px}.question-display{min-height:110px;margin:12px 0 18px}.choices{margin-top:18px}.question-title{margin-bottom:12px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.study-actions{display:flex;gap:15px;margin-bottom:25px;flex-wrap:wrap}.study-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.study-card{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:12px;min-height:145px;background:white;border:2px solid #dce5f3;border-radius:20px;padding:20px 16px;box-shadow:0 4px 0 #dce5f3;position:relative}.study-card strong{font-size:34px;line-height:1.5;overflow-wrap:anywhere}.study-card small{font-size:17px;color:var(--muted)}.study-picture{font-size:37px;word-break:break-all;max-width:100%}.study-audio{position:absolute;right:12px;top:11px;font-size:18px}.study-grid.sentences{grid-template-columns:repeat(2,minmax(0,1fr))}.study-grid.sentences strong{font-size:26px}.math-picture{display:flex;align-items:center;justify-content:center;gap:24px;margin:16px auto;max-width:100%;padding:18px;background:#f4f8ff;border:1px solid #e2eaf7;border-radius:20px}.object-pile{display:flex;flex-direction:column;gap:7px;flex-shrink:1;min-width:0}.object-pile.zero{font-size:30px;color:#8593a8;font-weight:800;min-width:50px;text-align:center}.object-row{display:flex;gap:7px}.count-object{display:inline-flex;align-items:center;justify-content:center;width:43px;height:47px;font-size:37px;position:relative}.count-object.removed{opacity:.28;filter:grayscale(1)}.count-object.removed:after{content:'';position:absolute;top:50%;left:0;width:100%;height:3px;background:#8b96a9;transform:rotate(-30deg)}.picture-operator{font-size:36px;font-weight:900;color:var(--blue)}.math-picture.compare .picture-operator{font-size:20px}.picture-guide{text-align:center;color:#61758d;font-size:17px;margin-bottom:15px}.question-panel:has(.math-picture) .question-display{font-size:44px;min-height:65px;margin:10px 0;line-height:1.5}.question-panel:has(.math-picture) .question-display.sentence{font-size:27px}.question-panel:has(.math-picture) .listen-display{min-height:85px;font-size:42px}.subject-intro .inline-actions{justify-content:flex-start}
@media(max-width:900px){.study-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.math-picture{gap:18px}.count-object{width:35px;height:40px;font-size:31px}.object-row{gap:5px}.picture-guide{font-size:16px}}
@media(max-width:650px){.study-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.study-grid.sentences{grid-template-columns:1fr}.study-card{min-height:130px;padding:25px 14px 15px}.study-card strong{font-size:30px}.study-grid.sentences strong{font-size:25px}.math-picture{padding:13px 8px;gap:9px;border-radius:16px}.count-object{width:22px;height:28px;font-size:23px}.object-row{gap:3px}.object-pile{gap:5px}.picture-operator{font-size:25px}.math-picture.compare .picture-operator{font-size:15px}.picture-guide{font-size:15px}.question-panel:has(.math-picture) .question-display{font-size:36px}.question-panel:has(.math-picture) .question-display.sentence{font-size:24px}.study-card small{font-size:15px}}

@media(min-width:901px) and (max-height:850px) and (orientation:landscape){.app-header{height:72px}main{padding-top:20px}.home-heading{margin-bottom:18px}.home-heading p{line-height:1.4}.subject-card{min-height:210px}.card-bottom{display:none}.challenge-card{padding:14px 25px;gap:20px;margin-bottom:18px}.challenge-copy .eyebrow{margin-bottom:4px}.challenge-copy h2{font-size:24px;line-height:1.2;margin-bottom:4px}.challenge-copy p{font-size:15px;line-height:1.4;margin-bottom:6px}.challenge-copy small{font-size:13px;line-height:1.4}.challenge-icon{width:72px;height:72px;font-size:43px}.quick-card{padding:13px 18px;min-height:82px}.home-foot{margin-top:15px}}

@media(max-width:650px){.app-header{height:auto;min-height:80px;flex-wrap:wrap;gap:8px;padding-top:10px;padding-bottom:10px}.header-actions{margin-left:auto;gap:5px}.app-header .brand{font-size:18px}.app-header .brand-star{width:33px;height:33px;font-size:27px}.header-actions .header-stars{min-width:60px;padding:8px;font-size:15px}.header-actions .home-button{font-size:13px;min-height:44px;padding:5px}.header-actions .icon-button{width:40px;font-size:27px;min-height:44px}}
/* Fit learning to Chrome's actual visible area; small screens may scroll. */
body[data-page=lesson]{height:var(--visible-height,100dvh);overflow:hidden}
body[data-page=lesson] #app{height:100%;display:flex;flex-direction:column;padding-bottom:env(safe-area-inset-bottom,0px)}
body[data-page=lesson] .app-header{height:60px;min-height:60px;padding:0 clamp(12px,2vw,28px);flex-wrap:nowrap;gap:8px}
body[data-page=lesson] .brand{font-size:20px;gap:8px;min-height:44px;white-space:nowrap}
body[data-page=lesson] .brand-star{width:34px;height:34px;font-size:29px;border-radius:11px}
body[data-page=lesson] .header-actions{flex-wrap:nowrap;gap:clamp(4px,1vw,12px)}
body[data-page=lesson] .home-button{font-size:17px;min-height:44px;padding:4px 7px;white-space:nowrap}
body[data-page=lesson] .header-stars{padding:6px 12px;min-width:64px;font-size:18px}
body[data-page=lesson] .icon-button{width:44px;min-height:44px;font-size:28px}
body[data-page=lesson] .app-footer{display:none}
body[data-page=lesson] main{flex:1;min-height:0;width:100%;max-width:1180px;margin:0 auto;padding:clamp(8px,1.5dvh,16px) clamp(12px,2vw,28px);display:flex;flex-direction:column;overflow:auto;animation:page-enter .16s ease-out}
.lesson-meta{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-shrink:0}
.lesson-meta .breadcrumb{margin:0;font-size:17px;line-height:1.4;max-width:none}
.lesson-meta .lesson-top{margin:0;gap:14px;font-size:17px;white-space:nowrap}
.lesson-meta .session-stars{font-size:16px;padding:4px 10px}
body[data-page=lesson] .lesson-progress{height:4px;margin:7px 0 9px;max-width:none;flex-shrink:0}
body[data-page=lesson] .question-panel{position:relative;flex:1;min-height:min-content;max-width:none;width:100%;padding:clamp(12px,2dvh,22px) clamp(14px,2vw,28px);display:flex;flex-direction:column;border-radius:20px}
body[data-page=lesson] .question-title{margin:0 0 8px;gap:12px;flex-shrink:0}
body[data-page=lesson] .question-title h1{font-size:clamp(25px,2.6vw,32px);line-height:1.3}
body[data-page=lesson] .audio-button{min-height:48px;padding:8px 12px;font-size:17px;white-space:nowrap}
.question-content{flex:1;min-height:100px;display:flex;align-items:center;justify-content:center;gap:20px}
.question-content.has-picture.math-content{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:clamp(12px,2vw,28px)}
.question-content.has-picture:not(:has(.question-display)):not(:has(.listen-display)){display:flex}
body[data-page=lesson] .question-display,body[data-page=lesson] .question-panel:has(.math-picture) .question-display{min-height:0;margin:6px 0;font-size:clamp(40px,5vw,68px);line-height:1.25;gap:3px;flex-wrap:wrap}
body[data-page=lesson] .question-display.sentence,body[data-page=lesson] .question-panel:has(.math-picture) .question-display.sentence{font-size:clamp(26px,3vw,38px)}
body[data-page=lesson] .listen-display{min-height:80px;font-size:46px;gap:5px}
.math-token{font-size:inherit;line-height:inherit;min-height:48px;padding:2px 4px;border-radius:10px;font-weight:inherit;color:inherit}
.math-token:hover{background:#eaf1ff}
.picture-block{min-width:0;max-width:100%;width:100%}
body[data-page=lesson] .math-picture{display:flex;align-items:center;justify-content:center;padding:12px 10px;gap:8px;min-height:0;margin:0;background:#f5f8ff;border-radius:16px}
body[data-page=lesson] .object-pile{display:flex;flex-direction:row;flex-wrap:wrap;justify-content:center;gap:3px;min-width:0;max-width:440px}
body[data-page=lesson] .count-object{width:clamp(28px,3.2vw,38px);height:clamp(32px,5dvh,42px);font-size:clamp(29px,3.3vw,37px);flex-shrink:0}
body[data-page=lesson] .picture-operator{font-size:30px;white-space:nowrap;flex-shrink:0}
body[data-page=lesson] .math-picture.compare .picture-operator{font-size:18px}
body[data-page=lesson] .picture-guide{font-size:17px;line-height:1.4;margin:8px 0 0;text-align:center}
body[data-page=lesson] .choices{margin:12px 0 5px;gap:clamp(10px,1.5vw,18px)}
body[data-page=lesson] .choice{min-height:clamp(72px,12dvh,98px);padding:10px;font-size:clamp(30px,3vw,38px);line-height:1.25;border-radius:16px}
body[data-page=lesson] .choices.count-3 .choice,body[data-page=lesson] .choices.count-4 .choice{font-size:clamp(30px,3vw,38px)}
body[data-page=lesson] .answer-area{flex-shrink:0}
body[data-page=lesson] .feedback{min-height:30px;margin:4px 0 0;padding:5px 8px;font-size:19px;line-height:1.35}
body[data-page=lesson] .feedback.success{font-size:22px}
body[data-page=lesson] .question-footer{min-height:44px;gap:12px;flex-shrink:0}
body[data-page=lesson] .text-button{min-height:44px;padding:5px 12px;font-size:17px}
body[data-page=lesson] .hint{font-size:18px;line-height:1.4;margin:6px 0;padding:8px 12px}
body[data-page=lesson] .celebration-stars{position:absolute;top:25%;left:0;right:0;pointer-events:none;background:#ffffffbb;border-radius:16px;width:max-content;max-width:100%;margin:auto;padding:10px 22px;font-size:38px}
body[data-page=lesson] .phonics{margin:4px 0;font-size:19px;text-align:center}
body[data-page=lesson] .match-grid{gap:24px;margin:6px 0}
body[data-page=lesson] .match-grid>div{gap:8px}
body[data-page=lesson] .match-grid .choice{min-height:58px;font-size:27px}
body[data-page=lesson] .answer-slots{min-height:54px;padding:8px;font-size:18px}
body[data-page=lesson] .choices.order .choice{min-height:64px;font-size:27px}
body[data-page=lesson] .inline-actions .primary,body[data-page=lesson] .inline-actions .secondary{min-height:48px;padding:8px 18px}
.try-again{animation:answer-wiggle .32s ease-in-out}
@keyframes answer-wiggle{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
@media(orientation:portrait){.question-content.has-picture.math-content{grid-template-columns:1fr;gap:10px}.question-content{flex-direction:column;gap:10px}.question-content .question-display{width:100%}.picture-block{max-width:650px}.lesson-meta{align-items:flex-start}.lesson-meta .breadcrumb{max-width:70%}.lesson-meta .lesson-top{gap:6px}.lesson-meta .session-stars{display:none}}
@media(max-width:600px){body[data-page=lesson] .brand>span:last-child{display:none}body[data-page=lesson] .app-header{min-height:56px;height:56px}body[data-page=lesson] .home-button{font-size:16px}body[data-page=lesson] .question-panel{padding:12px}body[data-page=lesson] .question-title h1{font-size:24px}body[data-page=lesson] .audio-button{font-size:15px;padding:6px 8px}.lesson-meta .breadcrumb{font-size:15px}.lesson-meta .lesson-top{font-size:15px}body[data-page=lesson] .choices.count-4{grid-template-columns:repeat(2,minmax(0,1fr))}body[data-page=lesson] .question-display,body[data-page=lesson] .question-panel:has(.math-picture) .question-display{font-size:40px}body[data-page=lesson] .question-content.has-picture.math-content{grid-template-columns:1fr;gap:8px}body[data-page=lesson] .picture-guide{font-size:16px}}
@media(max-height:480px){body[data-page=lesson] main{overflow:auto}body[data-page=lesson] .question-content{flex:none}body[data-page=lesson] .question-panel{flex:none}}

body[data-page=lesson] .question-content:empty{display:none;flex:none;min-height:0}
body[data-page=lesson] .choices{margin-top:8px}
body[data-page=lesson] .object-pile{flex-direction:row}
body[data-page=lesson] .question-footer .hint{flex:1;text-align:left;margin:0;min-width:160px}
@media(min-width:601px) and (max-height:600px){body[data-page=lesson] .question-panel{padding-block:10px}body[data-page=lesson] .feedback{min-height:28px;padding-block:2px;margin-top:2px}body[data-page=lesson] .math-picture{padding-block:8px}body[data-page=lesson] .question-title{margin-bottom:6px}}
/* Shared tablet viewport: preserve text and touch sizes, spend space on content. */
body{height:var(--visible-height,100dvh);overflow:hidden}
#app{height:100%;display:flex;flex-direction:column;padding:env(safe-area-inset-top,0px) env(safe-area-inset-right,0px) env(safe-area-inset-bottom,0px) env(safe-area-inset-left,0px)}
.app-header{height:60px;min-height:60px;padding:0 clamp(12px,2vw,28px);flex-wrap:nowrap;gap:8px;flex-shrink:0}
.brand{font-size:22px;min-height:44px;gap:8px;min-width:0;max-width:55%}
.room-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.brand-star{width:34px;height:34px;font-size:29px;border-radius:11px;flex-shrink:0}
.header-actions{gap:8px;flex-wrap:nowrap;flex-shrink:0}
.home-button{min-height:44px;padding:4px 7px;font-size:17px;white-space:nowrap}
.header-stars{padding:6px 12px;min-width:64px;font-size:18px}
.icon-button{width:44px;min-height:44px;font-size:28px}
main,body[data-page=lesson] main{flex:1;min-height:0;max-width:1180px;width:100%;margin:0 auto;padding:8px clamp(12px,2vw,28px);display:flex;flex-direction:column;gap:8px;overflow:auto}
.app-footer{height:18px;min-height:18px;flex-shrink:0;padding:0 20px;border:0;margin:0 auto;width:100%;max-width:1180px;justify-content:flex-end;font-size:12px;line-height:18px}
h1{font-size:clamp(28px,3vw,36px);margin-bottom:6px}h2{font-size:24px;margin-bottom:8px}p{font-size:19px;line-height:1.45;margin-bottom:10px}
.eyebrow{margin-bottom:3px;font-size:14px}.page-heading{margin:0;flex-shrink:0}.page-heading p{font-size:18px;margin:0}
.primary,.secondary,.file-button{min-height:52px;padding:10px 18px;font-size:19px;border-radius:13px}.inline-actions{gap:10px}
.study-actions{margin:0;gap:10px;flex-shrink:0}.secondary-copy{margin:6px 0;line-height:1.45}.pagination{display:flex;align-items:center;justify-content:center;gap:18px;flex-shrink:0;margin:0}.pagination span{font-size:18px;font-weight:700}.pagination .secondary{min-height:48px;padding:8px 18px}
.tabs{margin:0;flex-shrink:0}.tabs button{min-height:44px;padding:6px 16px;font-size:18px}
.home-heading{margin:0;min-height:54px;flex-shrink:0}.home-heading h1{margin:0;font-size:30px}.home-heading p{font-size:19px;line-height:1.3}.day-chip{padding:4px 14px;gap:1px}.day-chip b{font-size:22px}
.subject-grid{flex:1;min-height:126px;gap:14px;margin:0}.subject-card{padding:10px 18px;min-height:126px;border-radius:18px;justify-content:center}.subject-top{position:absolute;top:9px;right:12px;width:auto}.small-star,.card-bottom{display:none}.level-tag{font-size:14px;padding:3px 8px}.subject-symbol,.subject-symbol.math{font-size:42px;margin:0 0 4px;line-height:1}.subject-card strong{font-size:27px}.subject-description{font-size:17px;margin-top:3px}
.challenge-card{padding:8px 18px;margin:0;gap:16px;min-height:90px;flex-shrink:0;border-radius:18px}.challenge-icon{width:56px;height:56px;font-size:36px;border-radius:15px}.challenge-copy h2{font-size:23px;line-height:1.2;margin-bottom:2px}.challenge-copy p{font-size:16px;line-height:1.2;margin-bottom:4px}.challenge-copy .eyebrow{font-size:13px;margin:0}.challenge-copy small{font-size:14px;line-height:1.1}.challenge-copy .progress{height:5px;margin:0 0 3px}
.quick-grid{gap:14px;flex-shrink:0}.quick-card{min-height:60px;padding:7px 14px;border-radius:15px;gap:10px}.quick-icon{height:40px;width:40px;font-size:26px}.quick-card strong{font-size:20px;margin:0}.quick-card small{font-size:13px}
.install-shortcut{margin:0;min-height:32px;flex-shrink:0}.install-shortcut .text-button{min-height:32px;padding:3px 14px;font-size:16px}.home-foot{margin:0;font-size:13px;gap:12px;flex-shrink:0;line-height:1.3}
.resume-banner{margin:0;padding:5px 12px;min-height:44px;flex-shrink:0}.resume-banner .primary{min-height:36px;padding:4px 14px;font-size:17px}
body[data-page=home]:has(.resume-banner) .home-heading .eyebrow,body[data-page=home]:has(.resume-banner) .home-heading p{display:none}
body[data-page=home]:has(.resume-banner) .home-heading{min-height:40px}
body[data-page=home]:has(.resume-banner) .subject-symbol{display:none}
body[data-page=home]:has(.resume-banner) .subject-card{min-height:90px}
body[data-page=home]:has(.resume-banner) .subject-grid{min-height:90px}
.level-list{flex:1;min-height:0;gap:8px;align-content:start}.level-row{padding:8px 12px;min-height:56px;gap:12px}.level-row strong{font-size:19px}.level-row>span{width:34px;height:34px}.level-row small{font-size:14px}.stage-note{margin:0;font-size:15px!important}
.type-grid{flex:1;min-height:0;grid-template-columns:repeat(3,minmax(0,1fr));align-content:start;gap:10px;margin:0}.type-card{min-height:112px;padding:10px 12px;gap:5px;border-radius:16px}.type-card>span{font-size:28px}.type-card strong{font-size:23px}.type-card small{font-size:14px}
.completion,.gate,.mini,.install-panel{margin:auto;max-height:100%;width:100%;padding:20px 26px;max-width:900px;border-radius:22px}
.completion{display:grid;grid-template-columns:180px 1fr;column-gap:26px;align-items:center;text-align:left}.completion-medal{grid-column:1;grid-row:1/6;font-size:clamp(70px,12dvh,110px);margin:0;text-align:center}.completion h1{font-size:36px}.completion .eyebrow,.completion h1,.completion p,.completion-count{grid-column:2}.completion p{font-size:22px;margin:4px 0}.completion-count{margin:12px 0;padding:12px 18px;font-size:22px}.completion-count strong{font-size:34px}.completion-count small{margin-top:5px;font-size:17px}.completion .inline-actions{grid-column:1/-1;margin-top:12px}.completion>.primary{grid-column:1/-1;justify-self:center;margin-top:12px}
.mini{display:grid;grid-template-columns:1fr 1.2fr;gap:8px 24px;align-items:center;text-align:left}.mini>.eyebrow,.mini>h1,.mini>p{grid-column:1}.mini>h1{font-size:30px}.mini>p{font-size:20px}.memory-grid{grid-column:2;grid-row:1/5;width:100%;max-width:none;margin:0;gap:12px}.memory-card{height:clamp(72px,16dvh,104px);min-height:64px;font-size:44px}.mini>.primary{grid-column:1/-1;justify-self:center;min-width:220px}
.star-wallet{padding:8px 22px;gap:18px;margin:0;min-height:66px;flex-shrink:0}.star-wallet>span{font-size:36px}.star-wallet>strong{font-size:38px}.star-wallet small{margin-top:2px}.reward-grid{flex:1;min-height:0;align-content:start;gap:14px}.reward-card{padding:12px 14px}.reward-icon{font-size:clamp(40px,8dvh,64px);margin:0 0 4px}.reward-card h2{font-size:22px;margin-bottom:10px}.reward-card .primary,.reward-card .secondary{font-size:18px;min-height:52px}.reward-bottom{display:flex;justify-content:center;align-items:center;gap:16px}.badges{flex:1;min-height:0;margin:0;padding:14px}.badge-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.badge-list>div{padding:8px;font-size:30px}.badge-list strong{margin:2px 0;font-size:18px}.badge-list small{margin:0;font-size:14px}
.parent-tabs{width:100%;max-width:none;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:4px}.parent-tabs button{font-size:17px;padding:5px 8px;white-space:nowrap}.parent-body{display:flex;flex-direction:column;gap:8px;flex:1;min-height:0}.parent-panel{padding:14px 18px;margin:0;border-radius:17px}.parent-panel h2{font-size:23px;margin-bottom:8px}.parent-panel p,.parent-panel li{font-size:18px;line-height:1.45}.parent-panel label{display:flex;flex-direction:column;font-size:18px;gap:6px;max-width:100%;font-weight:700}.parent-panel input:not([type=range]):not([type=checkbox]):not([type=file]),.parent-panel select{height:48px;max-width:100%;width:100%;padding:8px 12px;border:1px solid #ccd8eb;border-radius:11px;font-size:18px;background:white}.parent-panel>label{max-width:460px}.form-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.form-grid label{gap:5px;font-size:18px}.form-grid input[type=range]{height:48px;width:100%;accent-color:var(--blue);touch-action:pan-y}.form-grid input:not([type=range]),.form-grid select{height:48px}.form-grid small{font-size:14px}.progress-grid>div{display:flex;flex-direction:column;gap:6px}.progress-grid .secondary{font-size:17px;min-height:44px;padding:6px}.progress-grid .text-button{min-height:36px;padding:3px;font-size:17px}.progress-grid small{font-size:14px;line-height:1.4}.parent-panel .inline-actions{margin-top:10px;gap:12px}.toggles{gap:24px;margin:16px 0}.toggles label,.parent-panel .toggle{display:flex;flex-direction:row;gap:8px;align-items:center;min-height:44px;font-size:18px}.toggle input,.toggles input{height:24px;width:24px;accent-color:var(--blue)}.advanced-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.reset-strip{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid #d9e4f4;background:white;border-radius:16px;padding:10px 14px}.reset-strip strong{font-size:18px}.reset-strip small{display:block;font-size:15px;max-width:540px;margin-top:4px}.danger-panel{border-color:#e6c0ba}.danger{color:#9a342e!important}.primary.danger{background:#a83a32;color:white!important;box-shadow:0 3px 0 #802a25}.reset-strip .secondary{font-size:17px;min-height:48px}
.sub-tabs{max-width:max-content}.stat-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:0}.stat-grid>div{padding:12px 16px}.stat-grid strong{font-size:27px;margin-top:4px}.stat-grid small{font-size:16px}.subject-stat-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.subject-stat-grid>div{padding:10px 14px}.subject-stat-grid h3{font-size:18px;margin:8px 0 6px}.subject-stat-grid p{margin:0 0 5px}.pill{padding:4px 12px}.history-chart{padding-top:8px;gap:12px}.history-chart.month{min-width:0;gap:4px}.bar-track{height:110px}.parent-panel:has(.month){overflow:visible}.table-scroll{overflow-x:auto}table{min-width:0;width:100%;table-layout:fixed}th:first-child{width:40%}th:last-child{width:15%}th,td{padding:7px 8px}td{font-size:16px;overflow-wrap:anywhere}td small{font-size:13px}.parent-panel:has(table) h2{margin-bottom:3px}.parent-panel .pagination{margin-top:8px}.audio-history{margin:6px 0;padding-left:20px;line-height:1.5;font-size:15px}
.study-grid,.study-grid.sentences{grid-template-columns:repeat(3,minmax(0,1fr));flex:1;min-height:0;gap:12px;align-content:start}.study-card{padding:12px 14px;min-height:110px;gap:4px}.study-card strong{font-size:32px;line-height:1.3}.study-grid.sentences strong{font-size:26px}.study-picture{font-size:29px}.study-card small{font-size:17px}.writing-note{margin:0;font-size:17px;line-height:1.4;text-align:center;flex-shrink:0}.writing-controls{margin:0;flex-shrink:0;gap:12px}.writing-board{flex:1;min-height:180px;height:auto;width:100%;max-width:100%;margin:0;border-radius:20px}.writing-board>span{font-size:clamp(140px,40dvh,300px)}.writing-board canvas{width:100%;height:100%}
.install-panel{text-align:left;padding:20px 26px}.install-panel h1{font-size:30px}.install-panel .install-steps{margin:12px 0}.install-steps li{padding:12px 0}.install-steps span{font-size:19px;line-height:1.45}.install-panel .inline-actions{justify-content:space-between}.install-panel>.secondary-copy{margin-top:12px;font-size:16px}
.gate{padding:18px 26px;max-width:700px}.gate-icon{font-size:40px;margin-bottom:8px}.gate h1{font-size:30px}.gate p{margin-bottom:6px}.gate input{height:64px}.gate .error{min-height:24px;margin:6px 0;font-size:17px}.gate>small{margin-top:12px}
.modal-backdrop{position:fixed;inset:0;z-index:1000;background:#13264277;padding:max(16px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));display:grid;place-items:center}.confirm-dialog{background:white;border-radius:22px;padding:22px 26px;max-width:660px;width:100%;max-height:100%;overflow:auto;text-align:center;box-shadow:0 20px 80px #19294530}.confirm-icon{font-size:36px}.confirm-dialog h2{font-size:27px;margin:8px 0}.confirm-dialog p{font-size:20px}.confirm-dialog>small{display:block;margin-top:14px}.toast{max-width:calc(100vw - 32px);max-height:30dvh;overflow:auto;bottom:max(20px,env(safe-area-inset-bottom));font-size:17px;line-height:1.4}.audio-warning{font-size:15px!important;line-height:1.3;margin:2px 0;color:#825b20}
/* Answer controls stay large; only decorative and empty areas contract. */
body[data-page=lesson] main{gap:0}.question-content{min-height:65px}.question-title h1{overflow-wrap:anywhere}body[data-page=lesson] .choices.count-4{grid-template-columns:repeat(4,minmax(0,1fr))}body[data-page=lesson] .choices .choice{font-size:clamp(27px,3vw,38px)}body[data-page=lesson] .choices.order{grid-template-columns:repeat(auto-fit,minmax(90px,1fr))}body[data-page=lesson] .choices.order .choice{font-size:26px}body[data-page=lesson] .match-grid .choice{font-size:26px}body[data-page=lesson] .question-content:empty{display:none}
@media(orientation:landscape) and (max-height:600px){main{gap:6px;padding-block:6px}.subject-card{padding-block:8px}.home-heading .eyebrow{display:none}.parent-panel{padding:10px 16px}.parent-panel p{margin-bottom:6px}.parent-panel .toggles{margin:8px 0}.progress-grid .text-button{min-height:32px}.type-card{min-height:105px}.completion,.mini{padding:16px 22px}.completion-medal{font-size:76px}.memory-card{height:80px}.study-card{min-height:104px}.bar-track{height:90px}}
@media(orientation:portrait){.subject-grid{flex:none;min-height:0}.subject-card{min-height:165px}.level-list{flex:none}.parent-body{flex:none}.parent-tabs{grid-template-columns:repeat(3,minmax(0,1fr))}.advanced-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.completion{grid-template-columns:120px 1fr}.mini{display:flex;flex-direction:column;text-align:center;gap:8px}.memory-grid{max-width:520px}.memory-card{height:100px}.mini>.primary{margin-top:8px}.study-grid{flex:none}.home-foot{flex-wrap:wrap}}
@media(max-width:650px){.app-header{min-height:56px;height:56px}.brand{max-width:40%;font-size:18px}.brand-star{width:30px;height:30px}.header-actions{gap:3px}.home-button{font-size:15px;padding:4px}.header-stars{min-width:48px;font-size:16px;padding:6px}.icon-button{width:34px}.subject-grid{grid-template-columns:1fr}.subject-card{min-height:100px;padding-left:90px}.subject-symbol{display:block;position:absolute;top:25px;left:24px;font-size:43px}.subject-symbol.math{font-size:35px}.challenge-card{flex-wrap:wrap;min-height:0}.challenge-copy{min-width:170px}.primary.light{width:100%}.quick-grid{grid-template-columns:1fr}.level-list{grid-template-columns:1fr}.type-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.parent-tabs button{font-size:16px}.form-grid,.subject-stat-grid{grid-template-columns:1fr}.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.reset-strip{flex-direction:column;align-items:stretch}.parent-panel .inline-actions{flex-wrap:wrap}.parent-panel .inline-actions>*{white-space:normal;flex:none}.completion{display:flex;flex-direction:column;text-align:center}.completion .inline-actions>*{width:auto}.completion-medal{font-size:60px}.reward-grid{grid-template-columns:1fr}.badge-list{grid-template-columns:repeat(2,minmax(0,1fr))}.study-grid,.study-grid.sentences{grid-template-columns:repeat(2,minmax(0,1fr))}.writing-controls{flex-wrap:wrap}.writing-controls>.inline-actions{width:100%}body[data-page=lesson] .choices.count-4{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* Keep explanatory banners side by side when both resume and update are ready. */
.home-notices{display:flex;gap:10px;flex-shrink:0}.home-notices>.resume-banner{flex:1;min-width:0}.home-notices .resume-banner .primary{min-height:44px}.home-notices .resume-banner{font-size:17px;gap:8px}.day-chip{flex-direction:row;align-items:center;gap:10px}.quick-card strong{line-height:1.2}.quick-card small{line-height:1.3}.challenge-copy .eyebrow{display:none}
body[data-page=parent] .page-heading>.eyebrow{display:none}.parent-tabs,.sub-tabs{padding:3px}.subject-stat-grid h3{display:inline;margin:0 0 0 6px}.subject-stat-grid p{margin-top:6px}.progress-grid label{flex-direction:row;align-items:center;gap:10px;white-space:nowrap}.progress-grid label select{flex:1;min-width:0;font-size:17px;padding-inline:8px}.stage-details{display:flex;justify-content:space-between;align-items:center;gap:5px}.stage-details .text-button{font-size:16px;line-height:1.3;max-width:105px;min-height:40px;padding:2px 0}.stage-details small{font-size:13px;line-height:1.4}.reset-strip{padding-block:8px}
body[data-page=lesson] .question-content:has(>.secondary-copy){flex-direction:column;gap:4px}body[data-page=lesson] .question-content>.secondary-copy{font-size:16px!important;margin:0;text-align:center;line-height:1.3}body[data-page=lesson] .question-content:has(>.secondary-copy) .question-display{font-size:28px;line-height:1.3}
@media(orientation:landscape) and (max-height:600px){.home-heading>div:first-child{display:flex;align-items:center;gap:16px}.home-heading h1{font-size:30px}.home-heading{min-height:41px}.home-notices .resume-banner{padding-block:4px}.subject-stat-grid>div{padding-block:8px}}
@media(orientation:portrait){.home-notices{flex-direction:column}}

@media(orientation:landscape) and (max-height:600px){.parent-panel{padding-block:8px}.parent-panel h2{line-height:1.2}}

/* Stage flow 1.4 */
.subject-option{display:flex;flex-direction:column;min-height:0;min-width:0;gap:4px}.subject-option .subject-card{flex:1;width:100%;min-height:0}.other-method{flex:none;font-size:13px;min-height:32px;padding:4px 8px}.type-card.recommended{border:3px solid #f2ba42;background:#fff8de}.stage-countdown{display:flex;align-items:center;justify-content:center;gap:20px;margin:16px auto}.stage-countdown strong{display:grid;place-items:center;border-radius:50%;background:#fff1bc;color:#7156ac;width:82px;height:82px;font-size:52px}.stage-countdown span{font-size:19px}.stage-completion h1{font-size:clamp(25px,3.5vw,42px)}.stage-completion .completion-medal{font-size:70px}.stage-completion .inline-actions{justify-content:center}.stage-completion .inline-actions button{min-width:180px}
@media(max-height:650px) and (orientation:landscape){.subject-option .subject-card{height:auto}.stage-completion{padding:16px}.stage-completion .completion-medal{font-size:52px}.stage-completion h1{margin:8px}.stage-countdown{margin:10px auto}.stage-countdown strong{width:64px;height:64px;font-size:40px}}

/* Coloring keeps its bitmap resolution when the tablet rotates. */
body[data-page=home] .quick-grid:has([data-action=colorMenu]){grid-template-columns:repeat(4,minmax(0,1fr))}
.parent-tabs:has([data-action="parentTab:coloring"]){grid-template-columns:repeat(7,minmax(0,1fr))}
.coloring-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;flex:none}.coloring-heading h1{font-size:32px;margin:0}.coloring-heading .eyebrow{font-size:14px}
.coloring-design-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;min-height:0;flex:1;align-content:start}.coloring-design-card{display:flex;flex-direction:column;background:#fff;border:2px solid #e4eaf5;border-radius:20px;padding:12px;gap:8px;min-height:0}.coloring-design-card img{width:100%;max-height:220px;object-fit:contain}.coloring-design-card strong{font-size:27px}.coloring-design-card small{font-size:16px;color:#64748b}.coloring-note{font-size:16px!important;line-height:1.4;margin:0;color:#64748b}.coloring-editor{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(336px,1fr);grid-template-rows:44px minmax(0,1fr) 50px;gap:6px 12px;flex:1;min-height:0;width:100%}.coloring-editor-heading{grid-column:1;display:flex;align-items:center;gap:10px;min-width:0}.coloring-editor-heading h1{font-size:23px;white-space:nowrap;margin:0}.coloring-editor-heading button{min-height:44px;font-size:18px;padding:5px 15px}.coloring-editor-heading [role=status]{font-size:13px;color:#64748b;line-height:1.3;overflow-wrap:anywhere}.coloring-board{grid-column:1;grid-row:2;display:flex;align-items:center;justify-content:center;min-height:0;min-width:0;border:2px solid #dce5f6;border-radius:18px;background:white;overflow:hidden}.coloring-board canvas{width:auto;height:auto;max-width:100%;max-height:100%;aspect-ratio:3/2;object-fit:contain;touch-action:none;user-select:none;-webkit-user-select:none;display:block;cursor:crosshair}.coloring-tools{grid-column:2;grid-row:1/4;display:flex;flex-direction:column;gap:8px;min-height:0;background:#fff;padding:10px;border-radius:18px;border:1px solid #e4eaf5;justify-content:center}.coloring-learning{display:grid;grid-template-columns:1.1fr 1.1fr .6fr;gap:6px}.learning-word{font-size:23px;font-weight:800;min-height:48px;background:#eff4ff;border:1px solid #dce5f6;border-radius:12px;padding:3px 5px;overflow-wrap:anywhere}.learning-word.english-word{font-size:21px}.trace-switch{font-size:16px;min-height:44px;padding:4px}.color-palette{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:5px}.color-swatch{display:grid;place-items:center;min-height:44px;min-width:0;border:2px solid #dce0e8;background:var(--swatch);border-radius:50%;font-size:23px;color:white;text-shadow:0 1px 3px #17223e;padding:0;box-shadow:none}.color-swatch.selected{border:3px solid #182e53;outline:2px solid #fff;outline-offset:-5px;transform:scale(1.05)}.color-tool-row,.brush-sizes,.trace-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:5px}.color-tool-row button,.trace-options button{min-height:44px;font-size:17px;padding:4px}.brush-sizes button{min-height:40px;font-size:16px;padding:3px;border:1px solid #dce5f6;border-radius:9px}.brush-sizes .selected{background:#e1ebff;color:#245bd6;box-shadow:inset 0 0 0 2px #245bd6}.color-history{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px}.color-history button{min-height:44px;font-size:17px;padding:4px}.fill-note{min-height:36px;display:flex;align-items:center;justify-content:center}.count-question{text-align:center;font-size:14px!important}.count-question .text-button{font-size:15px;min-height:30px;padding:0 4px}.coloring-bottom{grid-column:1;grid-row:3;display:flex;gap:6px;align-items:stretch;justify-content:center}.coloring-bottom button{font-size:17px;min-height:44px;padding:5px 10px;flex:1;white-space:nowrap}.coloring-bottom .study-return{background:#188469;box-shadow:0 3px 0 #11634e}.art-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:repeat(2,minmax(0,1fr));gap:12px;flex:1;min-height:0}.art-card{display:flex;align-items:center;min-height:0;min-width:0;background:#fff;border:1px solid #dce5f6;border-radius:18px;padding:10px;gap:12px;text-align:left}.art-card img{height:100%;max-width:65%;object-fit:contain;min-height:0}.art-card span{display:flex;flex-direction:column;gap:6px}.art-card strong{font-size:25px}.art-card small{font-size:16px;color:#64748b}.empty-art{margin:auto;font-size:24px!important}.coloring-settings{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:14px 0}.coloring-settings label{font-size:18px;display:flex;flex-direction:row;align-items:center;gap:10px;white-space:normal}.coloring-settings input{width:24px;height:24px;flex:none}.coloring-learned{font-size:30px!important;font-weight:700}.coloring-completion .celebration-stars{grid-column:2;position:static;text-align:left}.color-break h1{font-size:30px}
@media(orientation:portrait){.coloring-editor{grid-template-columns:1fr;grid-template-rows:44px minmax(0,1fr) auto 50px}.coloring-editor-heading{grid-row:1}.coloring-board{grid-column:1;grid-row:2}.coloring-tools{grid-column:1;grid-row:3;display:grid;grid-template-columns:1fr 1fr;justify-content:stretch;padding:10px;gap:8px}.coloring-learning{grid-column:1}.trace-switch{grid-column:2}.color-palette{grid-column:1;grid-row:2/4;align-self:center}.color-tool-row,.brush-sizes,.fill-note,.color-history,.count-question{grid-column:2}.coloring-bottom{grid-row:4}.coloring-design-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.parent-tabs:has([data-action="parentTab:coloring"]){grid-template-columns:repeat(4,minmax(0,1fr))}.art-card{flex-direction:column;justify-content:center}.art-card img{max-width:100%;height:65%}.art-card span{text-align:center}.art-gallery{grid-template-rows:repeat(2,minmax(0,1fr))}}
@media(orientation:landscape) and (max-height:600px){.coloring-tools{gap:5px;padding:7px}.coloring-learning{min-height:44px}.learning-word{min-height:44px;font-size:21px}.trace-switch{font-size:15px}.coloring-editor{grid-template-columns:minmax(0,1.6fr) minmax(326px,1fr)}.coloring-tools .count-question{font-size:13px!important;line-height:1.2}.color-break .completion-medal{font-size:60px}.coloring-settings{gap:10px;margin:10px 0}.parent-tabs button{font-size:17px;padding:6px 8px}.quick-card{padding-inline:10px}.quick-card strong{font-size:18px}}
@media(max-width:650px){body[data-page=home] .quick-grid:has([data-action=colorMenu]){grid-template-columns:repeat(2,minmax(0,1fr))}.coloring-tools{grid-template-columns:1fr}.coloring-tools>*{grid-column:1!important;grid-row:auto}.color-palette{grid-template-columns:repeat(7,minmax(0,1fr))}.coloring-heading{flex-wrap:wrap}.coloring-editor-heading{gap:6px;flex-wrap:wrap}.coloring-editor-heading h1{font-size:20px}.coloring-bottom{flex-wrap:wrap}.coloring-bottom button{font-size:15px;min-width:90px}.coloring-editor{grid-template-rows:60px minmax(220px,1fr) auto auto}.coloring-settings{grid-template-columns:1fr}}

#coloring-form p{font-size:14px!important;line-height:1.3;margin:4px 0}#coloring-form h2{margin-bottom:8px}

@media(orientation:landscape) and (min-width:800px){#coloring-form .coloring-settings{grid-template-columns:repeat(3,minmax(0,1fr))}#coloring-form .coloring-settings label{font-size:16px;gap:6px}}

/* Four large drawing cards, with categories and pagination instead of a long list. */
body[data-page=colorMenu] main{gap:8px}.coloring-categories{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;flex:none}.coloring-categories button{min-height:48px;font-size:20px;padding:6px 8px}.coloring-suggestions{display:flex;align-items:center;gap:18px;flex:none;min-height:38px}.coloring-suggestions button{font-size:17px;min-height:38px;padding:3px 8px}.coloring-design-grid{grid-template-columns:repeat(4,minmax(0,1fr));align-content:stretch;grid-template-rows:minmax(0,1fr)}.coloring-design-card{justify-content:center;gap:6px;overflow:hidden;padding:10px}.coloring-design-card img{min-height:0;flex:1;max-height:none}.coloring-design-card strong{font-size:25px;flex:none}.coloring-design-card small{font-size:14px;flex:none;overflow-wrap:anywhere}.coloring-pagination{margin-top:0;min-height:48px;flex:none}.coloring-pagination button{min-height:44px}
@media(orientation:portrait){.coloring-design-grid{grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:repeat(2,minmax(0,1fr))}.coloring-categories button{font-size:18px}.coloring-design-card{padding:12px}.coloring-suggestions{flex-wrap:wrap;gap:2px 10px}}
@media(orientation:landscape) and (max-height:600px){body[data-page=colorMenu] .coloring-heading h1{font-size:28px}body[data-page=colorMenu] .coloring-heading .eyebrow{display:none}.coloring-categories button{min-height:44px;font-size:18px}.coloring-suggestions{min-height:32px}.coloring-suggestions button{min-height:32px;font-size:16px}.coloring-design-card strong{font-size:22px}.coloring-design-card small{font-size:13px}}

/* Upper-course titles fit the parent's summary without changing old lesson layouts. */
.upper-course-stat h3{font-size:17px;line-height:1.3}.upper-course-stat p{margin-top:4px}
/* Appended courses only: keep every existing question's layout unchanged. */
body[data-page=lesson] .advanced-question .question-display.sentence{font-size:clamp(23px,2.6vw,30px);line-height:1.42;white-space:pre-line;overflow-wrap:anywhere}
body[data-page=lesson] .advanced-question .choices .choice{font-size:clamp(22px,2.6vw,30px);overflow-wrap:anywhere}
body[data-page=lesson] .advanced-question .choices.order{grid-template-columns:repeat(3,minmax(0,1fr))}
body[data-page=lesson] .advanced-question .choices.order .choice{font-size:clamp(20px,2.2vw,25px)}
.advanced-clock{width:min(160px,30dvh);height:min(160px,30dvh);align-self:center}
.advanced-lengths{width:min(380px,100%);height:150px;align-self:center}

body[data-page=lesson] .advanced-question .answer-slots{min-height:44px}
body[data-page=parent] .advanced-record td:first-child{font-size:16px;line-height:1.25}

body[data-page=lesson] .dialogue-question .choices .choice{font-size:clamp(21px,2.2vw,25px);line-height:1.2}

/* Comfortable finger targets, including secondary tablet actions. */
.other-method,.install-shortcut button,.coloring-editor-heading .text-button{min-height:44px;}
.lesson-top>span:first-child{font-size:clamp(12px,1.5vw,16px);}