/* Radius hierarchy follows Ant Design Mobile global theme tokens. */
.family-actions{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0}.parent-child-picker{display:flex;align-items:center;gap:12px;background:#fff;padding:12px 16px;margin:12px 0 20px;border:1px solid #e2e9e9;border-radius:8px;font-size:12px}.parent-child-picker select{min-width:0;flex:1;border:1px solid #dbe5e5;padding:8px;border-radius:6px}.captcha-row img{object-fit:contain;background:#fff7e8}#captcha-answer{font-size:18px;letter-spacing:3px}
@media(max-width:650px){.family-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.family-actions button{font-size:11px;padding:10px}.parent-child-picker{font-size:11px;margin-bottom:15px}.parent-child-picker select{font-size:12px}}
.list-pagination{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:16px 0}.list-pagination span{font-size:11px;color:#8ca0a8}.list-pagination button{font-size:12px;min-height:34px}
@media(max-width:650px){body[data-admin-tab=books] .admin-table,body[data-admin-tab=books] .admin-table tbody{display:block;width:100%;min-width:0}body[data-admin-tab=books] .admin-table thead{display:none}body[data-admin-tab=books] .admin-table tr{display:grid;grid-template-columns:1fr 80px;background:#fff;border:1px solid #e4e8e8;border-radius:12px;margin-bottom:12px;padding:13px;gap:8px}body[data-admin-tab=books] .admin-table td{border:0;padding:0;font-size:11px;max-width:none}body[data-admin-tab=books] .admin-table td:first-child{grid-column:1/-1}body[data-admin-tab=books] .admin-table td:first-child strong{font-size:13px}body[data-admin-tab=books] .admin-table td:first-child small{font-size:9px;line-height:1.8}body[data-admin-tab=books] .admin-table td:last-child{grid-column:1/-1;padding-top:7px;border-top:1px solid #f0f0ee}body[data-admin-tab=books] .table-actions{gap:20px}.list-pagination span{font-size:10px}}
@media(max-width:960px){body[data-view=ai] .chat-aside{display:none}body[data-view=ai] .ai-layout{display:flex;min-height:0}body[data-view=ai] .chat-surface{width:100%;min-height:0}}
@media(max-width:650px){body[data-view=admin] .mobile-nav{grid-template-columns:repeat(5,minmax(0,1fr))!important}body[data-view=ai] .page{height:calc(100dvh - 135px - env(safe-area-inset-bottom))!important}}
.cleanup-heading{display:flex;gap:18px;justify-content:space-between;margin:20px 0}.cleanup-heading h2{font-size:18px}.cleanup-heading p{font-size:11px;line-height:1.8;color:#9b8c79;margin-top:8px}.cleanup-heading form{display:flex;align-items:center;gap:8px}.cleanup-heading input{width:65px;border:1px solid #ddd;padding:9px}.cleanup-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:22px;align-items:start}.cleanup-canvas{position:relative;touch-action:none;user-select:none;line-height:0;border:1px solid #e7dac4}.cleanup-canvas>img{display:block;width:100%;height:auto}.cleanup-region,#cleanup-selection{position:absolute;background:#ff694532;border:2px solid #e46b4e;pointer-events:none}.cleanup-region:not(.selected){background:#649ac425;border-color:#649ac4}.cleanup-region span{display:grid;place-items:center;background:#e46b4e;color:#fff;font-size:10px;width:18px;height:18px;line-height:1;position:absolute;left:0;top:0}#cleanup-selection{display:none}.cleanup-controls{padding:20px;border:1px solid #e2e7e6;border-radius:12px;background:#fff}.cleanup-controls h3{font-size:17px;margin-bottom:15px}.cleanup-controls .block{margin:10px 0;justify-content:center;font-size:12px}.cleanup-controls .muted{font-size:11px;line-height:1.9}.cleanup-options{margin:15px 0;display:grid;gap:10px}.cleanup-options label{display:flex;align-items:center;gap:8px;font-size:11px;line-height:1.8}.cleanup-options label>span{flex:1}.cleanup-options input{width:16px;height:16px}.cleanup-options button{padding:4px}.clean-toggle{font-size:10px!important;white-space:nowrap;padding:5px!important}
@media(max-width:800px){.cleanup-layout{grid-template-columns:1fr}.cleanup-controls{padding:15px}.cleanup-heading{display:block}.cleanup-heading form{margin-top:12px}.cleanup-heading h2{font-size:15px}}
:root{--adm-radius-s:4px;--adm-radius-m:8px;--adm-radius-l:12px;--bx-card-radius:12px;--bx-field-radius:8px}
button,input,select,textarea{border-radius:var(--adm-radius-m)}
.primary,.secondary,.search-field,.account-form input,.account-form select,.account-form textarea{border-radius:var(--adm-radius-m)!important}
.continue-card,.today-box,.book-cover-wrap,.tool-tile,.top-learning-stats>div,.dashboard-tools,.chat-surface,.review-summary,.review-item,.growth-summary,.settings-section,.care-note,.parent-quote,.parent-chart,.analytics-card,.user-card,.auth-card,.profile-header,.reader-directory,.lesson-note{border-radius:var(--adm-radius-l)!important}
.modal{border-radius:16px!important}.pill,.grade-picker,.term-switch,.version-chips button{border-radius:var(--adm-radius-s)!important}.chat-bubble{border-radius:12px 12px 12px 4px}.chat-message.user .chat-bubble{border-radius:12px 12px 4px 12px}
.auth-page{min-height:100dvh;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:60px;padding:40px max(5vw,30px);max-width:1200px;margin:auto}.auth-welcome{text-align:center}.auth-welcome img{height:260px;margin:auto}.auth-welcome h1{font-size:36px;margin:20px 0 8px}.auth-welcome p{color:#ad9471}.auth-card{background:#fff;border:1px solid #eadfcf;padding:32px;box-shadow:0 12px 45px #bb9b6410}.auth-brand{display:flex;align-items:center;gap:9px;margin-bottom:20px}.auth-brand img{width:35px;height:35px}.auth-brand strong{font-size:22px}.auth-card h1{font-size:24px;margin:0 0 10px}.auth-card>.muted{font-size:12px;line-height:1.8}.account-form{display:grid;gap:16px;padding:20px 0}.account-form label{display:grid;gap:7px;font-size:13px;color:#75664f}.account-form input,.account-form select,.account-form textarea{width:100%;min-width:0;border:1px solid #e7ddce;background:#fffcf7;padding:11px 12px;color:#435766}.account-form textarea{min-height:80px;resize:vertical}.account-form .primary{min-height:43px;justify-content:center}.captcha-row{display:flex;align-items:center;gap:12px}.captcha-row>input{flex:1;width:40%;text-transform:uppercase}.captcha-row>button{padding:0;flex:none;border:1px solid #eee0c9;overflow:hidden;border-radius:8px}.captcha-row img{height:48px;width:150px;object-fit:cover}.auth-message{font-size:11px;color:#b27b42;line-height:1.8;margin:0}.auth-links{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:12px;color:#a87640}.auth-links button{padding:6px 0}.profile-header{display:flex;align-items:center;gap:20px;background:#fff2de;padding:24px;margin-bottom:22px}.profile-header h2{font-size:24px}.profile-header p{font-size:12px;color:#9c8565;margin-top:8px}.profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.profile-grid h3{font-size:17px;color:#605440}.profile-grid .settings-section{padding:0 24px}.admin-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px}.admin-kpis>div{display:grid;grid-template-columns:30px 1fr;align-items:center;gap:6px 12px;padding:20px;background:#fff;border:1px solid #e6e8e8;border-radius:12px}.admin-kpis .icon{grid-row:1/3;color:#7ca1ac;width:26px;height:26px}.admin-kpis strong{font-size:29px;line-height:1.1;color:#345a70}.admin-kpis span{font-size:11px;color:#8c9ca2}.analytics-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.analytics-card{background:#fff;border:1px solid #e5e8e8;padding:20px;min-width:0}.analytics-card h2{font-size:16px;margin-bottom:18px}.analytics-card h2 small{font-size:10px;font-weight:400;color:#a3adb1;margin-left:8px}.analytics-bar{display:grid;grid-template-columns:115px minmax(0,1fr) 24px;align-items:center;gap:10px;font-size:11px;margin:13px 0}.analytics-bar>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.analytics-bar>div{background:#f4f4f0;height:9px;border-radius:4px;overflow:hidden}.analytics-bar i{display:block;height:100%;border-radius:4px}.analytics-bar strong{font-size:12px;text-align:right}.analytics-note{font-size:10px;color:#98a5aa;line-height:1.8;margin-top:18px}.frequent-question{display:flex;gap:10px;align-items:center;margin:12px 0;font-size:11px}.frequent-question>span{color:#d49a57;width:16px}.frequent-question p{flex:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.frequent-question strong{font-size:10px;color:#9ca9ae;white-space:nowrap}.chart-empty{display:grid;place-items:center;min-height:110px;color:#b3bebf;font-size:12px}.analytics-details{margin-top:18px;font-size:12px;line-height:1.8}.analytics-details p{padding:10px;border-bottom:1px solid #eee}.user-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.user-card{border:1px solid #e5e9e9;background:white;padding:18px}.user-card-head{display:flex;align-items:center;gap:12px}.user-card-head>div{flex:1;min-width:0}.user-card-head h3{font-size:16px;overflow-wrap:anywhere}.user-card-head p{font-size:11px;color:#9ba8ae;margin-top:5px}.user-card-actions{display:flex;gap:15px;padding-top:15px;margin-top:15px;border-top:1px solid #edf0f0}.user-card-actions button{font-size:12px;color:#5486a0}.reset-request{padding:14px;background:#fff;border:1px solid #e8e9e7;border-radius:8px;margin-top:12px}.reset-request>span{margin-left:10px}.reset-request p{font-size:12px;line-height:1.9;margin:10px 0}.temporary-password{font-family:monospace;font-size:20px;user-select:all;color:#3e768e}.auth-page+.mobile-nav{display:none}
@media(max-width:960px){.auth-page{gap:25px;padding:30px}.auth-welcome img{height:200px}.auth-card{padding:25px}.admin-kpis{gap:10px}.admin-kpis>div{padding:16px 12px;gap:6px}.analytics-card{padding:16px}.analytics-bar{grid-template-columns:90px minmax(0,1fr) 20px;gap:8px}.profile-grid{gap:15px}}
@media(max-width:650px){.auth-page{display:block;max-width:450px;padding:24px 18px;min-height:100dvh}.auth-welcome{display:none}.auth-card{padding:23px 20px;box-shadow:none}.auth-card h1{font-size:22px}.account-form{gap:13px;padding:16px 0}.account-form label{font-size:12px}.account-form input,.account-form select{padding:11px;font-size:14px}.auth-brand{margin-bottom:20px}.captcha-row img{width:130px;height:44px}.auth-links{font-size:11px}.profile-header{padding:18px;gap:15px;margin-bottom:15px}.profile-header h2{font-size:20px}.profile-grid{grid-template-columns:1fr}.profile-grid .settings-section{padding:0 18px}.profile-grid .account-form{gap:12px}.profile-grid .account-form h3{font-size:15px}.admin-kpis{gap:8px;margin-bottom:12px}.admin-kpis>div{grid-template-columns:1fr;text-align:center;gap:4px;padding:12px 4px}.admin-kpis .icon{display:none}.admin-kpis strong{font-size:24px}.admin-kpis span{font-size:9px}.analytics-grid{gap:10px;grid-template-columns:1fr 1fr}.analytics-card{padding:12px;min-height:165px}.analytics-card h2{font-size:12px;margin-bottom:10px;line-height:1.7}.analytics-card h2 small{display:block;margin-left:0;font-size:8px}.analytics-bar{grid-template-columns:minmax(0,1fr) 16px;gap:5px;margin:9px 0;font-size:9px}.analytics-bar>span{grid-column:1/-1}.analytics-bar>div{height:6px}.analytics-bar strong{font-size:9px}.analytics-note{font-size:8px;margin-top:10px}.frequent-question{gap:5px;margin:10px 0;font-size:9px}.frequent-question>span{width:10px}.frequent-question strong{font-size:8px}.chart-empty{min-height:70px;font-size:10px}.user-cards{grid-template-columns:1fr;gap:12px}.user-card{padding:15px}.user-card-head h3{font-size:15px}.user-card-actions{padding-top:12px;margin-top:12px}.user-card-actions button{font-size:11px}body[data-view=admin] .page-header{margin-bottom:14px}body[data-view=admin] .page-header h1{font-size:22px}body[data-view=admin] .page-header p{font-size:10px}.analytics-details{font-size:11px}.mobile-nav{padding-left:6px;padding-right:6px}.mobile-nav button{padding-left:3px;padding-right:3px}.mobile-nav button span{font-size:9px}}
/* Textbook vocabulary selection stays visible and touch friendly. */
.dictation-source-card{max-width:760px;margin:0 auto 18px;padding:20px;background:#fff;border:1px solid #eee2d1;border-radius:16px;display:grid;gap:14px}
.dictation-source-card h2{font-size:20px;margin:10px 0 8px;line-height:1.45}
.dictation-source-card p{color:#69736f;font-size:14px;line-height:1.6;margin:0}
.dictation-setup{min-height:64px;display:flex;align-items:center;gap:12px;justify-content:space-between;text-align:left;font-size:17px;font-weight:700;box-shadow:0 4px 12px #dba25b25}
.dictation-setup span{flex:1}.dictation-setup small{display:block;font-size:12px;font-weight:400;margin-top:5px;opacity:.9}
.dictation-settings{display:grid;gap:14px}.dictation-select-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.dictation-settings label{display:grid;gap:7px;font-size:13px;font-weight:600}.dictation-settings select{width:100%;min-width:0;min-height:44px;padding:8px;border:1px solid #dedfd5;border-radius:10px;background:#fff;color:#2c4139;font-size:14px}
.vocabulary-summary{display:grid;gap:5px;background:#eff8f2;padding:12px;border-radius:12px}.vocabulary-summary small{font-weight:400;color:#617067;line-height:1.5}
.vocabulary-list{max-height:33vh;overflow:auto;border:1px solid #e9e5db;border-radius:12px;overscroll-behavior:contain}
.vocabulary-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 12px;border-bottom:1px solid #eeeae2}.vocabulary-row:last-child{border-bottom:0}
.vocabulary-row>div:first-child{min-width:0;display:grid;gap:4px}.vocabulary-row strong{font-size:18px;overflow-wrap:anywhere}.vocabulary-row small{font-size:12px;line-height:1.5;color:#6c766f}.word-phonetic{font-family:Arial,'Microsoft YaHei',sans-serif;font-size:15px;color:#54866c;line-height:1.5}
.vocabulary-row>div:last-child{flex-shrink:0;display:grid;justify-items:center;gap:3px}.vocab-speak{min-width:42px;min-height:40px;border-radius:10px;background:#eaf6ee;color:#286b49;border:1px solid #d1e8d9}.vocabulary-row .text-action{padding:2px;font-size:11px}
.dictation-manual{border-top:1px solid #e8e5db;padding-top:12px;font-size:14px}.dictation-manual summary{cursor:pointer;color:#4a6857;font-weight:600}.dictation-manual form{display:grid;gap:10px;margin-top:12px}.dictation-manual textarea{min-height:100px;width:100%;box-sizing:border-box;border:1px solid #ddd;border-radius:10px;padding:10px}.word-preview{text-align:center;font-size:32px}
@media(max-width:600px){.dictation-source-card{padding:16px;border-radius:14px;margin-bottom:12px}.dictation-source-card h2{font-size:18px}.dictation-setup{min-height:66px;font-size:16px}.dictation-select-grid{gap:7px}.vocabulary-list{max-height:30vh}.dictation-stage{padding-top:20px}.dictation-stage .speaker-large{width:76px;height:76px}}

.dictation-settings .field-label{margin:0}.dictation-settings>button{margin:0}.dictation-settings select{margin:0}@media(max-width:600px){.dictation-settings{gap:10px}.dictation-settings .vocabulary-summary{padding:10px}.dictation-settings .vocabulary-summary small{font-size:11px}.dictation-select-grid select{min-height:40px}}
.chat-image-attachment{display:flex;align-items:center;gap:12px;width:100%;padding:10px 14px;border:0;border-bottom:1px solid var(--line,#e8e5df);background:#f0f8f4;text-align:left;cursor:pointer;color:#26483b;flex-shrink:0}
.chat-image-attachment img{width:54px;height:58px;object-fit:contain;background:#fff;border:1px solid #dce8e0;border-radius:8px}
.chat-image-attachment span{font-weight:700;font-size:14px}.chat-image-attachment small{display:block;font-size:12px;font-weight:400;margin-top:3px;line-height:1.5}
.chat-rich{line-height:1.85;overflow-wrap:anywhere;min-width:0}.chat-rich>:first-child{margin-top:0}.chat-rich>:last-child{margin-bottom:0}.chat-rich p{margin:0 0 12px}.chat-rich h1,.chat-rich h2,.chat-rich h3,.chat-rich h4{font-size:1.08em;line-height:1.6;margin:16px 0 8px}.chat-rich strong{font-weight:750;color:#244b3c}.chat-rich ul,.chat-rich ol{padding-left:1.5em;margin:8px 0 12px}.chat-rich li{margin:5px 0}.chat-rich pre{max-width:100%;overflow-x:auto;padding:12px;background:#eef4f0;border-radius:8px;font-size:12px}.chat-rich code{font-family:ui-monospace,monospace;background:#edf3ee;padding:1px 4px;border-radius:4px}.chat-rich pre code{padding:0}.chat-rich table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse;font-size:.92em}.chat-rich th,.chat-rich td{padding:8px;border:1px solid #d9e5dc;text-align:left}.chat-rich blockquote{margin:10px 0;padding:8px 12px;border-left:3px solid #b1cfba;background:#f3f8f4}.chat-rich a{color:#246ea3;text-decoration:underline}.chat-rich .katex-display{max-width:100%;overflow-x:auto;overflow-y:hidden;padding:4px 0}
.ai-working{display:flex;align-items:center;gap:9px;font-size:12px;color:#648173;line-height:1.6;padding-top:8px}.working-dots{display:inline-flex;gap:4px;flex-shrink:0}.working-dots i{width:5px;height:5px;border-radius:50%;background:#70a187;animation:paw-working 1.2s infinite ease-in-out}.working-dots i:nth-child(2){animation-delay:.15s}.working-dots i:nth-child(3){animation-delay:.3s}@keyframes paw-working{0%,80%,100%{opacity:.35;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}@media(prefers-reduced-motion:reduce){.working-dots i{animation:none}}
body[data-view=ai]{overflow:hidden;overscroll-behavior:none;height:var(--learning-vh,100dvh)}body[data-view=ai] .app-main{height:var(--learning-vh,100dvh)}body[data-view=ai] .page{height:calc(var(--learning-vh,100dvh) - 86px)}body[data-view=ai] .chat-messages{overflow-anchor:none;scroll-behavior:auto}body[data-view=ai] .chat-input input{font-size:16px}
.speaker-large.audio-loading{position:relative;opacity:.8}.speaker-large.audio-loading:after{content:"";position:absolute;inset:4px;border:3px solid transparent;border-top-color:#4d9371;border-radius:50%;animation:audio-spin .9s linear infinite}@keyframes audio-spin{to{transform:rotate(360deg)}}
@media(max-width:650px){
 body{font-size:14.5px;line-height:1.65}.page{padding-left:14px;padding-right:14px}.page-header{margin-bottom:14px}.page-header h1{font-size:22px!important;line-height:1.4}.page-header p{font-size:12.5px;line-height:1.6;margin-top:5px}.back-title{gap:10px;margin-bottom:14px}.back-title h1{font-size:21px!important;line-height:1.45}.back-button{width:40px;height:40px}.primary,.secondary{min-height:44px;padding:10px 14px;font-size:14px}.pill{font-size:11px;padding:3px 8px}.mobile-top{padding-left:16px;padding-right:16px}.mobile-top .brand{font-size:19px}.mobile-top .brand img{width:30px;height:30px}
 .dictation-source-card{padding:15px;margin-bottom:12px;gap:12px}.dictation-source-card h2{font-size:18px;line-height:1.5;margin:8px 0}.dictation-source-card p{font-size:12px;line-height:1.6}.dictation-setup{min-height:54px;padding:11px 13px!important;font-size:15px!important}.dictation-setup small{font-size:11px!important;line-height:1.5;margin-top:2px}.dictation-stage{padding:18px 14px;min-height:0}.dictation-stage h2{font-size:20px;line-height:1.5;margin:12px 0}.speaker-large{width:76px;height:76px;margin:12px auto}.speaker-large .icon{width:32px;height:32px}#dictation-input{min-height:46px;font-size:16px}.word-preview{font-size:28px!important}.dictation-word-row{padding:9px 10px}.dictation-word-row strong{font-size:17px}
 .settings-section,.analytics-card,.profile-header{padding:15px}.settings-section h2,.analytics-card h2,.settings-section h3{font-size:17px;line-height:1.5}.settings-row{padding:11px 0;gap:10px}.profile-header h2{font-size:20px}.profile-actions{gap:10px}.auth-card{padding:22px 18px}.auth-card h1{font-size:25px}.auth-card input{font-size:16px;min-height:44px}.book-card{padding:12px}.book-card h3{font-size:16px;line-height:1.5}.book-card p{font-size:12px}.reader-heading h2{font-size:18px;line-height:1.6}.reader-heading{margin:12px 0;gap:10px}
 body[data-view=ai] .page{height:calc(var(--learning-vh,100dvh) - 135px - env(safe-area-inset-bottom))!important;padding-left:10px;padding-right:10px;padding-bottom:8px}body[data-view=ai] .page-header{margin-bottom:8px}body[data-view=ai] .page-header h1{font-size:21px!important}.chat-context{padding:10px 12px}.chat-context strong{font-size:13px}.chat-context small{font-size:11px}.chat-messages{padding:13px 10px}.chat-message{gap:7px}.chat-bubble{font-size:14px;padding:11px 12px;max-width:calc(100% - 30px)}.chat-avatar{width:25px;height:25px}.chat-input-wrap{padding:9px 10px}.chat-input{padding:4px 6px}.chat-footer{font-size:10px;line-height:1.4}.chat-image-attachment{padding:7px 10px;gap:9px}.chat-image-attachment img{width:40px;height:43px}.chat-image-attachment span{font-size:12px}.chat-image-attachment small{font-size:10px}.chat-rich h1,.chat-rich h2,.chat-rich h3{font-size:16px}.chat-rich table{font-size:12px}
}
.model-health-summary{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:14px 0}.model-health-summary>div{display:flex;align-items:center;gap:10px;background:#f1f7f3;padding:12px;border-radius:8px}.model-health-summary strong{font-size:24px;color:#3c7858}.model-health-summary span{font-size:12px}.model-health-table{border-collapse:collapse;width:100%;table-layout:fixed;font-size:12px;margin-top:12px}.model-health-table td,.model-health-table th{padding:8px;text-align:left;overflow-wrap:anywhere;border-bottom:1px solid #e4ece6}.model-health-table th:first-child{width:55%}.model-health-panel summary{cursor:pointer;font-size:13px;color:#416d54}
.bx-math-display{display:block;max-width:100%;overflow-x:auto;overflow-y:hidden;margin:8px 0}.bx-math-display .katex-display{margin:4px 0}
.reader-topline{display:flex;align-items:center;justify-content:space-between;gap:10px}.reader-topline .back-title{margin:0}.reader-topline h1{font-size:21px}.reader-info{font-size:12px;margin:10px 0;color:#81745e}.reader-info summary{cursor:pointer;overflow-wrap:anywhere}.reader-info p{margin:8px 0}.reader-info button{font-size:12px;min-height:36px;padding:7px 12px}
body[data-view=reader] .ebook-toolbar{position:sticky;top:0;z-index:12;display:flex;justify-content:space-between;gap:8px;overflow:visible;padding:9px 4px;margin:0;background:var(--paper,#fffaf2);border-bottom:1px solid #e9e1d4;scroll-margin-top:0}body[data-view=reader] .ebook-toolbar .ebook-turn{display:flex;align-items:center;justify-content:center;gap:3px;min-width:78px;min-height:42px;padding:8px 10px;font-size:14px;flex-shrink:0}body[data-view=reader] .ebook-toolbar .icon{width:18px;height:18px}.ebook-toolbar form{display:flex;align-items:center;gap:5px;font-size:12px;min-width:0;white-space:nowrap}.ebook-toolbar input{width:45px;min-width:0;font-size:16px;min-height:38px;padding:4px;text-align:center}.ebook-toolbar form button{font-size:12px;min-height:38px;padding:6px}
.reader-tools{font-size:12px;margin:8px 0}.reader-tools summary{cursor:pointer;color:#81745e;padding:6px}.reader-tools .reader-controls{display:flex;flex-wrap:wrap;align-items:center;gap:7px;padding:8px 4px}.reader-tools button{padding:7px;min-height:36px;border:1px solid #e7decd;border-radius:8px}.reader-tools .icon{width:18px;height:18px}body[data-view=reader] .ebook-viewport{max-height:none!important;height:auto;min-height:100px;overflow-x:auto;overflow-y:visible;overscroll-behavior:auto;touch-action:pan-y pinch-zoom;border-radius:8px;background:#fff}body[data-view=reader] .ebook-viewport[data-zoom="120"],body[data-view=reader] .ebook-viewport[data-zoom="140"],body[data-view=reader] .ebook-viewport[data-zoom="160"],body[data-view=reader] .ebook-viewport[data-zoom="180"],body[data-view=reader] .ebook-viewport[data-zoom="200"],body[data-view=reader] .ebook-viewport[data-zoom="220"]{touch-action:auto}body[data-view=reader] .ebook-viewport img{user-select:none;-webkit-user-drag:none;-webkit-touch-callout:none}.ebook-help{font-size:11px;text-align:center;color:#93866f;margin:10px 0 15px}.turn-forward #textbook-page{animation:ebook-next .22s ease-out}.turn-back #textbook-page{animation:ebook-prev .22s ease-out}@keyframes ebook-next{from{opacity:.4;transform:translateX(14px)}to{opacity:1;transform:translateX(0)}}@keyframes ebook-prev{from{opacity:.4;transform:translateX(-14px)}to{opacity:1;transform:translateX(0)}}
.listening-top{display:flex;justify-content:space-between;align-items:center;gap:12px}.listening-modes{display:flex;background:#f4f1e8;padding:3px;border-radius:8px;gap:3px}.listening-modes button{font-size:12px;padding:6px 9px;border-radius:6px}.listening-modes [aria-pressed=true]{background:#fff;box-shadow:0 1px 4px #17291b12;color:#35775b}.listening-stage .listening-split{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:16px 0}.listening-split button{min-height:87px;padding:12px 7px;border:1px solid #d3e5d6;background:#f0f8ee;border-radius:12px;display:flex;flex-direction:column;align-items:center;gap:4px}.listening-split .repeat-choice{border-color:#eadfc9;background:#fff8e9}.listening-split .icon{width:22px;height:22px;color:#5b9263}.listening-split .repeat-choice .icon{color:#bb945d}.listening-split strong{font-size:15px}.listening-split small{font-size:11px;color:#8b8a75}.listening-options{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:12px 0}.listening-options button{min-height:58px;border:1.5px solid #c8dccf;border-radius:10px;font-size:19px;font-weight:650;overflow-wrap:anywhere;padding:10px;background:#fff}.listening-options button:active{background:#e5f3e9}.listening-stage .heard-word{display:block;font-size:23px;margin:10px 0 2px}.listening-stage .word-phonetic{display:block;font-size:15px}.listening-stage .text-action{font-size:12px;margin-top:12px}
@media(max-width:650px){body[data-view=reader] .page{padding-top:13px}body[data-view=reader] .ebook-toolbar{top:61px;scroll-margin-top:61px}body[data-view=reader] .reader-topline h1{font-size:18px!important}.reader-topline .back-button{width:34px;height:34px}.reader-info{font-size:11px;margin:8px 0}.reader-info summary{max-width:100%;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.reader-info[open] summary{white-space:normal}body[data-view=reader] .reader-aside .lesson-note{padding:14px}.reader-aside .lesson-note h3{font-size:16px}.reader-aside .lesson-note button{margin-top:9px}.listening-stage{padding:16px 12px}.listening-stage .speaker-large{width:76px;height:76px;margin:14px auto}.listening-stage h2{font-size:19px;margin:13px 0}.listening-stage .listening-split{margin:14px 0 10px}.listening-stage .listening-split button{min-height:87px}.listening-modes button{padding:6px 8px;font-size:11px}}
@media(prefers-reduced-motion:reduce){.turn-forward #textbook-page,.turn-back #textbook-page{animation:none}}
.arena-intro{padding:16px;background:#f0f6ed;border:1px solid #dfebd8;border-radius:12px;margin:15px 0}.arena-intro h2{font-size:22px;margin:10px 0 5px}.arena-intro p,.arena-note{font-size:12px;color:#7b8575;line-height:1.8}.arena-filters{display:grid;grid-template-columns:100px 130px minmax(140px,1fr);gap:10px;margin:18px 0}.arena-filters select{font-size:14px;min-height:42px;min-width:0}.arena-courses{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.arena-course{display:flex;flex-direction:column;align-items:flex-start;text-align:left;background:#fff;border:1px solid #e6e6d8;border-radius:12px;padding:17px;min-width:0}.arena-course h3{font-size:17px;line-height:1.6;margin:12px 0 8px;overflow-wrap:anywhere}.arena-course p{font-size:12px;color:#7b806f}.arena-course small{font-size:11px;color:#929581;margin:8px 0 12px}.arena-course-bottom{display:flex;justify-content:space-between;align-items:center;width:100%;gap:10px;font-size:11px;line-height:1.6;margin-top:auto;color:#63906b}.arena-course-title{font-size:21px;line-height:1.65;margin:12px 0}.arena-source-links{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.arena-source-links>*{font-size:12px}.arena-chapters,.arena-unit-list{display:grid;gap:10px;margin:17px 0}.arena-chapters>button,.arena-unit-list>button{display:flex;justify-content:space-between;align-items:center;text-align:left;padding:15px;border:1px solid #e5e7d9;background:#fff;border-radius:10px;gap:12px}.arena-chapters strong,.arena-unit-list strong{font-size:15px;line-height:1.65}.arena-chapters small,.arena-unit-list small{display:block;font-size:11px;color:#8b9584;margin-top:5px}.arena-chapters .pill{white-space:nowrap;flex-shrink:0;font-size:10px}.arena-number{flex-shrink:0;display:grid;place-items:center;width:32px;height:32px;background:#edf5e9;border-radius:8px;color:#6c8d61}.arena-unit-list>button>span:nth-child(2){flex:1}.arena-study-path{display:flex;align-items:center;justify-content:center;gap:10px;padding:10px;margin:12px 0;font-size:12px;color:#909886}.arena-study-path strong{color:#51835e}.arena-study-path b{font-weight:400}.arena-problem,.arena-work,.arena-answer{padding:18px;border:1px solid #e2e6d8;background:#fff;border-radius:12px;margin:14px 0}.arena-unit-heading{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;align-items:center}.arena-unit-heading small{font-size:10px;color:#939a8c}.arena-problem h2{font-size:18px;line-height:1.65;margin:15px 0}.arena-text{font-size:16px;line-height:1.9}.arena-figure{margin:12px auto;max-width:100%;text-align:center}.arena-figure img{height:auto;width:auto;max-width:100%;max-height:660px;object-fit:contain;border-radius:4px}.arena-figure figcaption{font-size:10px;color:#929a87;margin-top:5px}.arena-ocr-note{font-size:10px;color:#989e90;margin:17px 0 0}.arena-work label{display:block;font-size:14px;font-weight:650;margin-bottom:7px}.arena-work label small{font-size:10px;font-weight:400;display:block;color:#939989}.arena-work input,.arena-work textarea{display:block;width:100%;font-size:16px;min-height:44px;margin:8px 0 15px}.arena-work textarea{height:100px;line-height:1.8;resize:vertical;padding:10px}.arena-work-actions{display:flex;gap:10px}.arena-work-actions .primary{flex:1}.arena-work>small{font-size:10px;display:block;margin-top:13px;line-height:1.75;color:#909b86}.arena-answer summary{cursor:pointer;font-weight:650;font-size:15px}.arena-answer summary small{display:block;margin-top:5px;font-size:10px;font-weight:400;color:#939b89}.arena-answer[open] summary{margin-bottom:16px}
@media(max-width:960px){.arena-courses{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:650px){.arena-intro{padding:13px;margin:12px 0}.arena-intro h2{font-size:18px;line-height:1.6}.arena-intro p{font-size:11px;margin:4px 0}.arena-filters{grid-template-columns:73px 91px minmax(90px,1fr);gap:7px;margin:12px 0}.arena-filters select{font-size:12px;padding:7px;min-height:40px}.arena-courses{gap:10px}.arena-course{padding:12px}.arena-course h3{font-size:14px;line-height:1.6;margin:9px 0 6px}.arena-course .pill{font-size:10px}.arena-course p,.arena-course small{font-size:10px}.arena-course-bottom{font-size:10px}.arena-course-title{font-size:18px;margin:10px 0}.arena-chapters>button{display:block;padding:13px}.arena-chapters .pill{display:inline-flex;margin-top:8px}.arena-problem,.arena-work,.arena-answer{padding:13px;margin:12px 0}.arena-text{font-size:15px;line-height:1.9}.arena-problem h2{font-size:17px}.arena-work-actions{gap:7px}.arena-work-actions button{font-size:13px;padding:10px}.arena-study-path{gap:7px;font-size:11px;margin:8px 0}.arena-unit-heading small{font-size:10px;line-height:1.6}.arena-note{font-size:11px}}
@media(max-width:650px){.home-onepage .library-books .book-cover-wrap{height:67px;min-height:0;aspect-ratio:auto;padding:6px}.home-onepage .library-books .book-cover-wrap img{height:59px;max-height:59px;max-width:42px}.home-onepage .subjects-row .subject-shortcut{flex-direction:row}}
@media(max-width:650px){.home-onepage .library-books .book-card h3{font-size:12px;line-height:1.45}.home-onepage .library-books .book-card p{font-size:11px;line-height:1.5;min-height:33px}.home-onepage .library-books .book-mini-progress{font-size:10px;line-height:1.5}}
/* Ant Design Mobile: card 8px; ordinary button 4px (component CSS variables). */
:root{--adm-card-border-radius:8px;--adm-button-border-radius:4px}
.home-onepage{gap:14px;max-width:1160px;margin:auto}.home-tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.home-tool{display:grid;grid-template-columns:32px minmax(0,1fr) 18px;align-items:center;gap:12px;min-height:64px;padding:12px 16px;text-align:left;background:#fff;border:1px solid #e8e3d8;border-radius:var(--adm-card-border-radius);color:#327bb5}.home-tool strong{font-size:15px;line-height:1.4}.home-tool-icon{width:32px;height:32px;display:grid;place-items:center}.home-tool-icon img,.home-tool-icon .icon{width:30px;height:30px;display:block;object-fit:contain}.home-tool-icon.homework{color:#5b9858}.home-tool-icon.dictation,.home-tool-icon.review{color:#9cac88}.home-tool .icon:last-child{width:16px;height:16px;justify-self:end;color:#98b3c3}.home-tool:active{background:#f5f8f4}.home-study-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.home-reading{display:flex;flex-direction:column;gap:12px;min-width:0}.home-onepage .continue-card{min-height:130px;padding:16px;gap:14px;margin:0;border-radius:var(--adm-card-border-radius);align-items:center}.home-onepage .continue-cover{width:64px;height:90px;object-fit:contain}.home-onepage .continue-content{flex:1;min-width:0}.home-onepage .continue-content h2{font-size:19px;line-height:1.5;margin:8px 0 4px;overflow-wrap:anywhere}.home-onepage .continue-content p{font-size:12px;margin:5px 0}.home-onepage .continue-open{flex-shrink:0;padding:9px 11px;font-size:13px;min-height:40px;border-radius:var(--adm-button-border-radius)}.home-arena{display:grid;grid-template-columns:30px minmax(0,1fr) 18px;align-items:center;gap:10px;text-align:left;padding:12px 14px;border:1px solid #e1e7d5;background:#f2f7ec;border-radius:var(--adm-card-border-radius)}.home-arena strong{font-size:14px;display:block}.home-arena small{display:block;font-size:11px;color:#8a987a;margin-top:3px}.home-arena .icon{width:21px;height:21px;color:#86a273}.home-onepage .subjects-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;margin:0}.home-onepage .subject-shortcut{padding:8px 4px;display:flex;align-items:center;justify-content:center;gap:5px;border-radius:var(--adm-button-border-radius)}.home-onepage .subject-shortcut strong{font-size:12px}.home-onepage .subject-shortcut .icon{width:17px;height:17px}.home-onepage .dashboard-books{min-width:0}.home-onepage .section-title{margin:0 0 10px}.home-onepage .section-title h2{font-size:17px}.home-onepage .library-books{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.home-onepage .book-card{padding:10px;border-radius:var(--adm-card-border-radius)}.home-onepage .book-cover-wrap{height:125px;border-radius:var(--adm-button-border-radius)}.home-onepage .book-cover-wrap img{height:105px;max-height:105px}.home-onepage .book-card h3{font-size:12px;margin-top:8px;line-height:1.5}.home-onepage .book-card p{font-size:10px;margin-top:4px}.home-onepage .book-mini-progress{font-size:9px;margin-top:6px}.home-family-message{border-radius:var(--adm-card-border-radius);font-size:12px}.home-family-message summary{display:flex;align-items:center;gap:8px;cursor:pointer}.home-family-message p{padding-top:8px}.home-onepage .top-learning-stats>div{border-radius:var(--adm-card-border-radius)}
@media(max-width:650px){body[data-view=home] .page{padding:12px 14px 80px;min-height:0}.home-onepage{gap:9px}.home-onepage .greeting{min-height:41px}.home-onepage .greeting-avatar{width:37px;height:37px}.home-onepage .greeting-left{gap:9px}.home-onepage .greeting h1{font-size:17px!important;line-height:1.45}.home-onepage .greeting p{font-size:10px;line-height:1.5;margin-top:2px}.home-onepage .grade-picker{font-size:11px;padding:7px}.home-onepage .top-learning-stats{gap:7px}.home-onepage .top-learning-stats>div{padding:9px 5px;min-height:55px;gap:7px}.home-onepage .top-learning-stats>div>.icon{width:21px;height:21px}.home-onepage .top-learning-stats strong{font-size:20px;line-height:1.1}.home-onepage .top-learning-stats small{font-size:10px}.home-tool-grid{gap:8px}.home-tool{grid-template-columns:27px minmax(0,1fr) 11px;gap:7px;min-height:52px;padding:9px 10px}.home-tool strong{font-size:13px;white-space:nowrap}.home-tool-icon{width:27px;height:27px}.home-tool-icon img,.home-tool-icon .icon{width:26px;height:26px}.home-tool>.icon:last-child{width:12px;height:12px}.home-study-grid{grid-template-columns:1fr;gap:9px}.home-reading{gap:8px}.home-onepage .continue-card{min-height:92px;padding:10px 12px;gap:10px}.home-onepage .continue-cover{width:45px;height:67px}.home-onepage .continue-content .pill{font-size:9px;padding:2px 5px}.home-onepage .continue-content h2{font-size:16px;line-height:1.4;margin:5px 0 3px}.home-onepage .continue-content p{font-size:10px;margin:0}.home-onepage .continue-open{padding:7px 8px;font-size:11px;min-height:34px;gap:4px}.home-onepage .continue-open .icon{width:14px;height:14px}.home-arena{padding:8px 11px;gap:8px;min-height:47px;grid-template-columns:24px minmax(0,1fr) 14px}.home-arena strong{font-size:13px}.home-arena small{font-size:10px;margin-top:1px}.home-arena .icon{width:20px;height:20px}.home-onepage .subjects-row{gap:6px}.home-onepage .subject-shortcut{padding:5px 3px;gap:4px;min-height:28px}.home-onepage .subject-shortcut strong{font-size:11px}.home-onepage .subject-shortcut .icon{width:15px;height:15px}.home-onepage .section-title{margin:0 0 7px}.home-onepage .section-title h2{font-size:14px}.home-onepage .section-title .text-action{font-size:10px}.home-onepage .library-books{gap:8px}.home-onepage .book-card{padding:7px}.home-onepage .book-cover-wrap{height:67px}.home-onepage .book-cover-wrap img{height:59px;max-height:59px;width:auto;max-width:42px}.home-onepage .book-card h3{font-size:10px;line-height:1.4;margin-top:5px}.home-onepage .book-card p{font-size:9px;line-height:1.5;margin-top:3px}.home-onepage .book-mini-progress{font-size:8px;line-height:1.4;margin-top:4px}.home-onepage .format-label,.home-onepage .book-term{font-size:7px;padding:1px 3px}.home-onepage .soft-message{margin:0;padding:8px 10px;font-size:10px}}
@media(max-width:650px){body[data-view=dictation] .dictation-source-card{padding:12px;gap:8px}body[data-view=dictation] .dictation-source-card h2{font-size:17.5px;margin:5px 0}body[data-view=dictation] .dictation-source-card p{font-size:11.5px;line-height:1.5;margin:0}body[data-view=dictation] .dictation-stage{padding:14px 12px}body[data-view=dictation] .dictation-stage h2{font-size:19px;margin:8px 0}body[data-view=dictation] .dictation-stage .speaker-large{margin:12px auto}body[data-view=dictation] #dictation-input{margin:6px 0 10px;min-height:44px;height:44px;padding:8px 12px}body[data-view=dictation] .dictation-stage .row{gap:10px;margin-bottom:10px}body[data-view=dictation] .dictation-stage .block{margin-top:8px}}
.profile-edit-details summary{display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;font-size:15px;font-weight:650;min-height:30px}.profile-edit-details summary small{font-size:12px;font-weight:400;color:#8c978d}.profile-edit-details[open] summary{margin-bottom:16px}.profile-edit-details .account-form{margin-top:4px}
@media(max-width:650px){body[data-view=library] h1{font-size:22px!important}body[data-view=library] .grade-segment{display:flex;flex-wrap:nowrap;overflow-x:auto;gap:4px;padding:5px;scrollbar-width:none}body[data-view=library] .grade-segment button{flex:0 0 auto;min-width:47px;white-space:nowrap;padding:8px 10px;font-size:12px;min-height:36px}body[data-view=library] .book-cover-wrap{height:142px;min-height:0;aspect-ratio:auto}body[data-view=library] .book-cover-wrap img{height:122px;width:auto;max-width:90%;object-fit:contain}body[data-view=profile] .profile-grid{gap:12px}body[data-view=profile] .profile-actions{margin:14px 0;gap:8px}body[data-view=profile] .settings-section{padding:13px 15px;margin:0}.profile-edit-details summary{font-size:15px}}
@media(max-width:650px){body[data-view=library] .book-file-title{font-size:12px;line-height:1.55;color:#817a70}body[data-view=library] .book-mini-progress{font-size:11.5px;color:#6f7d72}.profile-edit-details summary:after{content:'›';font-size:20px;color:#8b9e90}.profile-edit-details[open] summary:after{transform:rotate(90deg)}}
@media(max-width:650px){body[data-view=parent] .parent-top h1{font-size:21px;line-height:1.5}body[data-view=parent] .child-select-bar{padding:10px 12px;margin:10px 0 14px}body[data-view=parent] .report-headline{font-size:19px;margin:14px 0}body[data-view=parent] .parent-summary{gap:9px;margin-bottom:14px}body[data-view=parent] .metric-tile{padding:12px 8px;min-height:88px}body[data-view=parent] .metric-tile strong{font-size:26px;line-height:1.3}body[data-view=parent] .metric-tile strong small{font-size:11px;line-height:1.4;margin-top:3px}body[data-view=parent] .metric-tile>span{font-size:12px}body[data-view=parent] .parent-quote{padding:13px 14px}body[data-view=parent] .parent-quote h2{font-size:17px}body[data-view=parent] #encouragement{height:70px;min-height:70px;font-size:14px;margin:8px 0}body[data-view=parent] .parent-report-layout{gap:14px}body[data-view=parent] .parent-chart{padding:14px}body[data-view=parent] .parent-export{min-height:40px;padding:8px 12px;font-size:13px}}
body[data-view=reader] .real-reader-layout>section{min-width:0}body[data-view=reader] .reader-toolbar{display:flex;flex-wrap:nowrap;align-items:center;justify-content:flex-start;gap:10px;max-width:100%;overflow-x:auto;overflow-y:hidden;white-space:nowrap;padding:6px;scrollbar-width:thin;overscroll-behavior-x:contain}body[data-view=reader] .reader-controls{display:inline-flex;flex-wrap:nowrap;align-items:center;gap:5px;flex:0 0 auto}body[data-view=reader] .reader-controls form{display:inline-flex;flex-wrap:nowrap;align-items:center;gap:5px;margin:0;white-space:nowrap}body[data-view=reader] .reader-controls button{flex:0 0 auto;min-width:36px;min-height:36px;padding:6px;font-size:12px}body[data-view=reader] .reader-controls input{flex:0 0 48px;width:48px;min-width:48px;height:36px;padding:4px;font-size:16px}body[data-view=reader] .reader-controls span{flex:0 0 auto}body[data-view=reader] .reader-controls .icon{width:18px;height:18px}body[data-view=reader] .reader-controls .clean-toggle{min-height:36px;white-space:nowrap;padding:5px 8px!important}
@media(max-width:650px){.library-head h1{font-size:22px!important}.filter-bar .grade-segment{display:flex;flex-wrap:nowrap;overflow-x:auto;gap:4px;padding:5px;scrollbar-width:none}.filter-bar .grade-segment button{flex:0 0 auto;min-width:47px;white-space:nowrap;padding:8px 10px;font-size:12px;min-height:36px}.library-books .book-cover-wrap{height:142px;min-height:0;aspect-ratio:auto}.library-books .book-cover-wrap img{height:122px;width:auto;max-width:90%;object-fit:contain}.library-books .book-file-title{font-size:12px;line-height:1.55;color:#817a70}.library-books .book-mini-progress{font-size:11.5px;color:#6f7d72}}
.arena-image-zoom{display:block;width:100%;padding:0;border:0;background:none;cursor:zoom-in}.arena-image-view{max-height:70vh;overflow:auto;touch-action:pan-x pan-y;overscroll-behavior:contain}.arena-image-view img{display:block;max-width:none;width:auto;min-width:100%;height:auto}
@media(max-width:650px){.dictation-source-card.has-source{padding:10px 12px;gap:8px}.dictation-source-card.has-source h2{display:none}.dictation-source-card.has-source p{font-size:11px;line-height:1.6;margin:5px 0}.dictation-source-card.has-source .dictation-setup{min-height:42px;padding:8px 10px!important;font-size:13px!important}.dictation-source-card.has-source .dictation-setup small{font-size:10px!important}.listening-stage.completed .listening-split,.listening-stage.completed .listening-options{display:none}.listening-stage.completed .speaker-large{width:58px;height:58px;margin:8px auto}.listening-stage.completed .feedback{padding:10px;margin:10px 0}.listening-stage.completed .feedback p{font-size:13px;line-height:1.6;margin:3px 0}.listening-stage.completed .heard-word{margin:5px 0;font-size:24px}.listening-stage.completed .word-phonetic{font-size:14px}.listening-stage.completed h2{font-size:18px;margin:9px 0}.listening-stage .feedback p{font-size:12px;line-height:1.7}}
@media(max-width:650px){body[data-view=admin] .mobile-nav{grid-template-columns:repeat(6,minmax(0,1fr))!important}body[data-view=admin] .mobile-nav button{font-size:10px;min-width:0}}
@media(max-width:650px){body.parent-mode:not([data-view=admin]) .mobile-nav{grid-template-columns:repeat(5,minmax(0,1fr))!important}body.parent-mode:not([data-view=admin]) .mobile-nav button{min-width:0;font-size:10px}}
.arena-intro,.arena-course,.arena-problem,.arena-work,.arena-answer,.arena-chapters>button,.arena-unit-list>button{border-radius:var(--adm-card-border-radius,8px)}
.arena-step-nav{display:grid;grid-template-columns:1fr auto 1fr;gap:10px;align-items:center;margin:12px 0}.arena-step-nav button{font-size:12px;padding:8px;border-radius:var(--adm-button-border-radius,4px)}.arena-step-nav small{font-size:11px;color:#7e8b78}.arena-continuation{padding:10px;border:1px dashed #d9e3d1;background:#fafcf7;border-radius:8px;margin-bottom:16px}.arena-continuation summary{font-size:12px;color:#688261;cursor:pointer;margin-bottom:10px}
.arena-reference-text{border-top:1px solid #e8ecdf;padding-top:10px;margin-top:10px}.arena-reference-text summary{font-size:12px;font-weight:500;color:#7b8c71}.arena-answer .arena-figure img{max-height:560px}
@media(max-width:650px) and (max-height:740px){.home-onepage{gap:6px}.home-onepage .greeting p{display:none}.home-onepage .greeting h1{font-size:16px!important}.home-onepage .greeting-avatar{width:32px;height:32px}.home-onepage .top-learning-stats>div{min-height:44px;padding:5px}.home-onepage .top-learning-stats strong{font-size:18px}.home-onepage .home-tool-grid{gap:6px}.home-onepage .home-tool{min-height:44px;padding:6px 8px;grid-template-columns:23px minmax(0,1fr) 11px;gap:6px}.home-onepage .home-tool-icon,.home-onepage .home-tool-icon img,.home-onepage .home-tool-icon .icon{width:23px;height:23px}.home-onepage .home-study-grid,.home-onepage .home-reading{gap:6px}.home-onepage .continue-card{min-height:70px;padding:8px;gap:8px}.home-onepage .continue-cover{width:34px;height:50px}.home-onepage .continue-content h2{font-size:14px;margin:3px 0}.home-onepage .home-arena{min-height:42px;padding:6px 10px}.home-onepage .section-title{margin-bottom:4px}.home-onepage .library-books .book-card{padding:6px}.home-onepage .library-books .book-cover-wrap{height:40px;padding:3px}.home-onepage .library-books .book-cover-wrap img{height:35px;max-height:35px;max-width:29px}.home-onepage .library-books .book-card h3{font-size:10.5px;margin-top:4px}.home-onepage .library-books .book-card p{font-size:10px;min-height:29px;line-height:1.45;margin-top:2px}.home-onepage .library-books .book-mini-progress{font-size:10px;margin-top:3px}}
@media(max-width:650px) and (max-height:740px){.home-onepage .top-learning-stats small{line-height:1.2}.home-onepage .continue-content .pill{line-height:1.2}.home-onepage .continue-content p{line-height:1.4}.home-onepage .home-arena strong,.home-onepage .home-arena small{line-height:1.3}}
@media(max-width:650px) and (max-height:620px){.home-onepage .library-books .book-cover-wrap,.home-onepage .library-books .book-card p,.home-onepage .library-books .book-mini-progress,.home-onepage .continue-content .pill,.home-onepage .continue-cover,.home-onepage .home-arena small{display:none}.home-onepage .library-books .book-card{min-height:44px;display:grid;place-items:center}.home-onepage .library-books .book-card h3{margin:0;text-align:center;font-size:10.5px}.home-onepage .continue-card{min-height:54px;padding:6px 8px}.home-onepage .continue-content h2{font-size:13px}.home-onepage .home-arena{min-height:38px}.home-onepage .greeting h1{font-size:14px!important;max-height:2.9em;overflow:hidden}}
@media(max-width:650px) and (max-height:740px){body[data-view=home] .page{padding-top:8px}.home-onepage,.home-onepage .home-study-grid,.home-onepage .home-reading{gap:4px}}

.reader-page-status:not(:empty){margin:6px 0;color:#52647a;font-size:12px;text-align:center}