/* Revision 2: larger learning text and unobstructed touch navigation. */
:root{--muted:#5f7158;--line:#dde4d4}body{font-size:18px;line-height:1.75}.sidebar{width:280px;padding:28px 16px 18px;overflow-y:auto}.app-shell{margin-left:280px}.sidebar .nav-item{font-size:15px;line-height:1.5;gap:10px;padding:13px 11px;white-space:normal;min-height:52px}.sidebar-caption{font-size:10px;letter-spacing:.8px}.nav-label{font-size:12px}.sidebar-bottom p{font-size:14px}.sidebar-footer{font-size:11px}.topbar{height:auto;min-height:102px;padding:18px 32px;gap:18px}.topbar-title{font-size:17px}.topbar-title small{font-size:14px;color:#62735b}.topbar-actions{gap:12px}.icon-button{min-height:46px;min-width:46px}.star-pill{font-size:16px;padding:8px 12px}.reading-toggle{min-height:46px;padding:7px 11px;border:1px solid #cfdbbf;background:#f4f7ed;color:#456639;border-radius:10px;font-size:15px;font-weight:800;white-space:nowrap}.menu-open{display:none}main{padding:30px 32px 36px}.section-kicker{font-size:14px}.welcome-row h1{font-size:34px}.welcome-row p,.section-heading p,.panel-subtitle{font-size:16px;color:#62735a}.date-tag{font-size:13px}.hero{min-height:350px;grid-template-columns:1.1fr 1fr}.hero-copy{padding:32px 0 32px 30px}.hero h2{font-size:44px}.hero p{font-size:18px;color:#526b46;line-height:1.85}.hero-label{font-size:12px;letter-spacing:.7px}.hero-art{max-height:350px}.hero-note{font-size:12px}.hero p br{display:initial}.btn,.hero-actions .btn{font-size:17px;min-height:50px;padding:12px 19px;line-height:1.5}.text-btn{font-size:16px;min-height:46px}.stats-row{padding:20px 6px}.stat strong{font-size:20px}.stat small{font-size:14px;color:#627259}.stat-icon{width:43px;height:43px}.section-heading h2{font-size:30px}.learning-section{margin-top:32px}.learning-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.learning-card{padding:25px;min-height:240px}.learning-card h3{font-size:27px}.learning-card p{font-size:17px;max-width:none;color:#617156;line-height:1.8}.learning-card .card-link{font-size:17px}.card-tag{font-size:12px;right:18px}.card-art{width:58px;height:58px;margin-bottom:18px}.grade-filter{flex-wrap:wrap;gap:4px}.grade-button,.activity-toolbar .grade-button{font-size:16px;min-height:47px;padding:8px 13px}.bottom-grid{grid-template-columns:1fr}.panel-title,.quest-panel .panel-title{font-size:26px}.growth-stage strong{font-size:14px;color:#617356}.growth-stage small{font-size:12px;color:#6e7b60}.stage-emoji{width:52px;height:52px;font-size:27px}.growth-line:before{top:27px}.garden-tip{font-size:15px;color:#61794f;padding:12px}.mini-tag{font-size:14px}.quest-overline{font-size:12px}.quest-panel p{font-size:17px;max-width:80%;color:#796c43}.quest-panel .btn{font-size:17px;min-height:49px}.page-footer{font-size:12px;padding:15px 32px 25px;gap:20px}.page-intro h1{font-size:39px}.page-intro p{font-size:18px;max-width:none}.eyebrow{font-size:13px}.game-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.game-card h2{font-size:27px}.game-card p{font-size:17px;min-height:0}.game-card .card-link{font-size:17px}.game-number{font-size:12px}.soft-panel{padding:27px}.field-label{font-size:17px}.panel-subtitle{line-height:1.7}.notice{font-size:16px;line-height:1.8;color:#5e7052}.chip{font-size:16px;min-height:46px;padding:8px 15px}.word-card h2{font-size:31px}.word-type{font-size:13px}.word-card p,.word-card blockquote{font-size:18px}.word-card small{font-size:15px}.search-form{max-width:none}.search-form input,input,select,textarea{font-size:18px;min-height:48px}.map-branch h3{font-size:21px}.map-branch p{font-size:18px}.practice-topic h2{font-size:27px}.practice-topic p{font-size:17px}.practice-topic .card-link{font-size:16px}.guide-card p{font-size:18px}.teacher-layout{grid-template-columns:1fr;gap:26px}.teacher-layout h2{font-size:29px}.big-garden p{font-size:18px}.big-stats span{font-size:16px}.big-garden{gap:20px}dialog{width:min(830px,calc(100% - 32px));padding:24px 30px;max-height:calc(100dvh - 40px);overscroll-behavior:contain;scroll-padding:75px}.dialog-top{position:sticky;top:-25px;background:#fffdf6;z-index:3;padding:12px 0;border-bottom:1px solid #e7ebdc;margin-bottom:15px}.dialog-top .icon-button{width:46px;height:46px}.dialog-top .eyebrow{padding-right:12px}dialog h2{font-size:34px}dialog p{font-size:18px}.question-progress{font-size:16px}.question-text{font-size:26px;line-height:1.8}.answer{font-size:22px;line-height:1.6;padding:18px;min-height:79px}.answer-index{width:36px;height:36px;font-size:19px;color:#3f6635;background:#edf2df}.answer-grid{gap:15px}.feedback{font-size:19px}.dialog-actions{position:sticky;bottom:-25px;background:#fffdf6;padding:17px 0 9px;z-index:2}.word-token{font-size:23px;min-height:50px}.match-btn{font-size:23px;min-height:63px}.word-bank,.sentence-slots{padding:17px;gap:10px}.result .result-stars{font-size:32px}.result p{font-size:19px}#toast{font-size:17px;left:calc(50% + 140px);line-height:1.6}.svg-library{display:none}.model-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px;margin:23px 0}.model-card{padding:22px;background:#f0f5e5;border:1px solid #d4e1c3;border-radius:16px}.model-card h3{font-family:var(--round);font-size:24px;margin:0 0 7px}.model-card p{font-size:17px;margin:7px 0;color:#58714a}.model-card strong{font-size:19px}.skill-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:22px 0}.skill-button{min-height:80px;padding:16px;border:1px solid #cfdcbd;border-radius:14px;background:#f1f6e7;text-align:left;color:#466437;font-size:19px;font-weight:800}.skill-button small{font-size:15px;display:block;font-weight:600;color:#6c7f5a}.toolbar-wrap{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.toolbar-wrap .btn{box-shadow:none}.input-box{background:#f5f7ed;border:1px dashed #b7c99e;border-radius:15px;padding:19px;margin:17px 0}.import-tools{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0}.file-label{display:inline-flex;align-items:center;gap:8px;min-height:48px;border:1px solid #cbd9bb;border-radius:10px;padding:10px 14px;background:#fffefa;font-size:16px;font-weight:800;cursor:pointer}.file-label input{position:absolute;width:1px;height:1px;opacity:0;padding:0;min-height:0}.file-label:focus-within{outline:3px solid #dba442;outline-offset:3px}.import-preview img{display:block;max-width:100%;max-height:300px;object-fit:contain;border:1px solid #d4dec6;border-radius:12px;margin:15px 0}.import-preview p{font-size:15px}.ocr-progress{font-size:16px;color:#496c37}.ocr-progress progress{display:block;width:100%;height:17px}.helper-text{font-size:15px;color:#657958}.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.tool-grid>*{min-width:0}.map-output{margin:25px 0;overflow:hidden}.map-output svg{display:block;width:100%;height:auto;background:#fffdf5}.map-card-preview{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:18px 0}.map-card-preview article{border:1px solid #ccdbba;background:#f0f5e5;padding:17px;border-radius:13px}.map-card-preview h3{margin:0;font-size:21px}.map-card-preview p{font-size:18px;margin:8px 0;white-space:pre-line}.map-heading{text-align:center;background:#276d4b;color:white;font-family:var(--round);font-size:28px;padding:13px;border-radius:15px}.map-truncation{font-size:15px;color:#8b6b36}.edit-branches label{display:block;font-size:16px;margin:16px 0}.edit-branches input,.edit-branches textarea{margin-top:7px}.edit-branches textarea{min-height:95px}.before-after{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:22px}.before-after h3{font-size:21px;margin:0 0 10px}.original-text{white-space:pre-wrap;border:1px solid #dedac8;border-radius:12px;background:#fcf8e9;padding:18px;overflow-wrap:anywhere;font-size:18px}.review-changes{padding:19px;background:#f0f5e6;border-radius:13px;margin:20px 0;font-size:17px}.review-changes li{margin:9px 0}.review-changes del{color:#9a6245}.review-changes ins{color:#3b7135;text-decoration:none;font-weight:800}.review-output textarea{min-height:200px}.teacher-tabs{display:flex;flex-wrap:wrap;gap:10px;margin:10px 0 26px}.teacher-tab{padding:13px 18px;border:1px solid #d2dfc0;border-radius:11px;background:#fffefa;font-weight:800;font-size:17px;min-height:50px}.teacher-tab.active{background:#276d4b;color:white}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.form-grid>div{min-width:0}.prompt-chips{display:flex;flex-wrap:wrap;gap:9px;margin:15px 0}.prompt-chips button{font-size:15px;padding:9px 13px;border:1px solid #d3dfc3;background:#f0f5e5;border-radius:10px;text-align:left;min-height:45px}.sheet-summary{padding:15px 18px;background:#edf3e3;border-radius:12px;color:#4a6b38;font-size:17px;margin:15px 0}.sheet-item{break-inside:avoid;margin:18px 0}.sheet-answers{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px;margin-top:12px}.sheet-answers p{margin:0!important}.sheet-editable{min-height:50px;border:1px dashed #b8c99c;padding:15px;outline-offset:3px}.print-sheet p,.print-sheet li{font-size:18px;line-height:1.9}.sheet-key{background:#f3f5ec;padding:17px;border-radius:11px;margin-top:20px}.sheet-key summary{font-size:17px;cursor:pointer}.sheet-key p{font-size:17px}.manual-edit-hint{font-size:15px;color:#647b51}.mobile-nav{display:none}.mobile-menu{width:min(440px,calc(100% - 28px));padding:18px}.mobile-menu nav{display:flex;flex-direction:column;gap:9px}.mobile-menu nav button{display:flex;align-items:center;gap:14px;min-height:55px;border:1px solid #dce5d0;border-radius:12px;padding:13px 17px;background:#f5f8ed;font-size:18px;text-align:left}.mobile-menu h2{font-size:28px}.mobile-menu .dialog-top{top:-19px}.reading-large .question-text{font-size:31px}.reading-large .answer{font-size:26px}.reading-large .notice,.reading-large .page-intro p,.reading-large .learning-card p,.reading-large .word-card p,.reading-large .map-card-preview p{font-size:21px}.reading-large .feedback{font-size:22px}
@media(min-width:1700px){.learning-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.game-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.tool-grid{grid-template-columns:1fr 1fr}}
@media(max-width:1250px){.hero{grid-template-columns:1.25fr 1fr}.hero h2{font-size:38px}.hero-art{min-width:0}.hero-actions{flex-wrap:wrap}.section-heading{align-items:flex-start;flex-direction:column}.topbar-title small{max-width:280px}.topbar{padding:17px 25px}.topbar-line,.date-tag{display:none}.tool-grid,.before-after{grid-template-columns:1fr}.model-grid{grid-template-columns:1fr}.sidebar-bottom{display:none}.topbar-actions .avatar{display:none}.topbar-title .sun-icon{display:none}}
@media(max-width:1000px){.sidebar{display:none}.app-shell{margin-left:0}.menu-open{display:grid}.topbar{position:sticky;top:0;z-index:15;background:#fffefaf5;backdrop-filter:blur(10px)}.topbar-title{flex:1}.topbar-title small{max-width:none}.topbar-actions{gap:9px}main{padding:26px}.page-footer{padding-bottom:115px}.mobile-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));position:fixed;left:0;right:0;bottom:0;background:#fffefa;border-top:1px solid #cfdcbe;padding:7px 8px calc(7px + env(safe-area-inset-bottom));z-index:18;box-shadow:0 -3px 15px #34442b0d}.mobile-nav button{background:transparent;border:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:#46653a;font-size:14px;min-height:61px;font-weight:800;border-radius:9px}.mobile-nav button.active{background:#e9f1dc}.mobile-nav .icon{width:23px;height:23px}#toast{left:50%;bottom:100px}.mobile-extra-nav{display:none}.hero h2{font-size:43px}.hero p{font-size:18px}.game-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.learning-card{min-height:240px}.stat small{font-size:14px}.sidebar-caption{display:none}}
@media(max-width:650px){body{font-size:18px}.topbar{padding:10px 12px;min-height:79px;gap:9px}.topbar-title{font-size:15px;line-height:1.4}.topbar-title small{display:none}.topbar-actions{gap:6px}.topbar-actions .icon-button{display:none}.reading-toggle{font-size:14px;min-height:44px;padding:7px}.star-pill{font-size:14px;padding:7px;gap:3px}.star-pill>span{font-size:18px}.menu-open{min-width:44px;min-height:44px}.topbar-title .sun-icon{display:none}main{padding:20px 16px 25px;overflow-wrap:anywhere}.section-kicker{font-size:13px;line-height:1.6}.welcome-row h1{font-size:29px}.welcome-row p{font-size:16px;line-height:1.8}.hero{display:flex;flex-direction:column;min-height:0}.hero-copy{padding:24px 22px 0}.hero h2{font-size:clamp(29px,8vw,37px);line-height:1.25}.hero-label{font-size:11px}.hero p{font-size:18px;line-height:1.8}.hero p br{display:none}.hero-actions{flex-direction:column;align-items:stretch;gap:7px}.hero-actions .btn{font-size:18px;min-height:54px}.text-btn{font-size:17px;justify-content:center}.hero-art{height:205px;width:100%;max-width:330px;margin:0 auto}.hero-note{display:none}.stats-row{padding:16px 5px;gap:4px}.stat{gap:8px}.stat strong{font-size:17px;line-height:1.5}.stat small{font-size:13px;line-height:1.6;display:block;max-width:95px}.stat-icon{width:34px;height:34px}.learning-grid{grid-template-columns:1fr;gap:16px}.learning-card{padding:23px;min-height:0}.learning-card h3{font-size:27px}.learning-card p{font-size:18px;max-width:none}.learning-card .card-link{font-size:18px;margin-top:12px}.card-art{margin-bottom:16px}.card-tag{font-size:13px;top:23px;right:19px}.section-heading h2{font-size:28px}.section-heading p{font-size:17px}.grade-filter{width:100%;padding:4px;gap:3px;flex-wrap:nowrap}.grade-button,.activity-toolbar .grade-button{font-size:16px;padding:8px 4px;min-height:49px;flex:1;min-width:0;white-space:nowrap}.panel-title,.quest-panel .panel-title{font-size:25px}.panel-subtitle{font-size:16px}.panel-head{align-items:flex-start;gap:10px}.mini-tag{font-size:13px;flex-shrink:0;min-height:44px;padding:8px}.growth-line{gap:14px;flex-wrap:wrap;justify-content:center;margin:25px 0 12px}.growth-line:before{display:none}.growth-stage{min-width:72px}.growth-stage strong{font-size:14px}.growth-stage small{font-size:12px}.garden-tip{font-size:16px}.quest-panel p{font-size:18px;max-width:none}.quest-flower{display:none}.quest-panel .btn{font-size:18px;min-height:52px}.quest-overline{font-size:12px}.page-footer{font-size:12px;line-height:1.8;padding:12px 18px calc(110px + env(safe-area-inset-bottom))}.page-intro h1{font-size:33px}.page-intro p{font-size:18px}.eyebrow{font-size:12px;letter-spacing:1px}.game-grid{grid-template-columns:1fr}.game-card{padding:23px}.game-card h2{font-size:27px}.game-card p{font-size:18px}.game-card .card-link{font-size:18px}.soft-panel{padding:20px}.notice{font-size:17px}.field-label{font-size:18px}.word-card h2{font-size:29px}.word-card p,.word-card blockquote{font-size:18px}.word-type{font-size:12px;white-space:normal}.search-form{flex-wrap:wrap}.search-form input{flex-basis:100%}.search-form .btn{width:100%;font-size:18px}.chip{font-size:17px}.model-grid,.skill-list{grid-template-columns:1fr}.practice-topic{padding:22px;gap:13px}.practice-topic h2{font-size:25px}.practice-topic p{font-size:18px}.tool-grid,.before-after,.form-grid,.map-card-preview{grid-template-columns:1fr}.tool-grid{gap:18px}.map-card-preview article{padding:18px}.map-card-preview p{font-size:19px}.map-heading{font-size:26px}.toolbar-wrap{align-items:stretch}.toolbar-wrap .btn{flex-grow:1;font-size:17px}.teacher-tabs{display:grid;grid-template-columns:1fr 1fr;gap:9px}.teacher-tab{font-size:17px;padding:12px 8px}.prompt-chips{flex-direction:column}.prompt-chips button{font-size:17px}.helper-text{font-size:16px}.input-box{padding:16px}.import-tools{flex-direction:column}.file-label{font-size:17px;justify-content:center;min-height:52px}.import-tools .btn{width:100%}.big-garden h2{font-size:31px}.big-garden p{font-size:19px}.sheet-answers{grid-template-columns:1fr}.print-sheet{padding:15px}.print-sheet p,.print-sheet li{font-size:18px}.mobile-nav button{font-size:14px}dialog{width:calc(100% - 16px);padding:15px 18px 22px;max-height:calc(100dvh - 24px);border-radius:18px;scroll-padding:80px}.dialog-top{top:-16px;padding:10px 0}.dialog-top .eyebrow{font-size:11px;letter-spacing:.5px;line-height:1.6}.dialog-top .icon-button{min-height:46px;min-width:46px}dialog h2{font-size:29px}dialog p{font-size:19px}.question-text{font-size:24px;line-height:1.85}.question-progress{font-size:14px;flex-wrap:wrap;gap:5px}.answer-grid{grid-template-columns:1fr;gap:12px}.answer{font-size:22px;padding:16px;min-height:72px}.answer-index{width:36px;height:36px;font-size:20px;flex-shrink:0}.dialog-actions{bottom:-23px;padding:15px 0;gap:10px;flex-wrap:wrap}.dialog-actions .btn{font-size:18px;min-height:52px;flex:1 1 auto}.feedback{font-size:19px;line-height:1.8}.word-token{font-size:22px;padding:11px;min-height:51px}.word-bank,.sentence-slots{padding:13px;gap:9px}.match-btn{font-size:23px}.result h2{font-size:32px}.result p{font-size:19px}.reading-large .question-text{font-size:28px}.reading-large .answer{font-size:25px}#toast{font-size:16px;bottom:100px}.mobile-menu{padding:18px}.mobile-menu .dialog-top{top:-19px}}
@media(max-width:360px){.topbar-title{font-size:13px}.reading-toggle{font-size:12px;padding:5px}.topbar-actions{gap:3px}.star-pill{font-size:12px}.grade-button,.activity-toolbar .grade-button{font-size:14px}.hero-copy{padding:20px 17px 0}.hero h2{font-size:27px}.welcome-row h1{font-size:26px}}
.hero p{max-width:none}.original-text,.review-changes{overflow-wrap:anywhere}.btn:disabled{opacity:.55;cursor:wait}.map-output{scroll-margin-top:120px}
@media print{.mobile-nav,.menu-open,.teacher-tabs,.teacher-panel>form,.teacher-panel>.notice,.teacher-panel>.toolbar-wrap,.import-tools,.manual-edit-hint,.input-box,.reading-toggle,.review-output,#sheet-output>.notice{display:none!important}.app-shell{margin:0}.teacher-panel{border:0;padding:0}.print-sheet{border:0;padding:0}.sheet-editable{border:0;padding:0}.print-sheet p,.print-sheet li{font-size:13pt}.sheet-key{display:none}.sheet-summary{display:none}.sheet-answers{grid-template-columns:1fr 1fr}.sheet-item{break-inside:avoid}.page-footer{display:none}}