.phone-only{display:none}@media not (max-width:1000px),(not (max-width:700px)) and (not (max-height:500px)),(not (max-width:700px)) and (pointer:fine),(not (max-width:700px)) and (pointer:none){.phone-only{display:none!important}}section.institution-phone-lessons,section.institution-phone-people{display:contents}@media (max-width:700px),(max-width:1000px) and (max-height:500px) and (pointer:coarse){.phone-only{display:block}html[dir=rtl] :is(.phone-question-navigation,.phone-more-links,.phone-skill-back) svg.lucide-chevron-left,html[dir=rtl] :is(.phone-question-navigation,.phone-more-links,.phone-skill-back) svg.lucide-chevron-right{transform:scaleX(-1)}.phone-desktop-only{display:none!important}.platform-shell{min-width:0;display:block}.platform-shell>.platform-sidebar{display:none}.platform-shell>.platform-main{width:100%;min-width:0;max-width:none;padding:calc(16px + env(safe-area-inset-top)) 16px calc(84px + env(safe-area-inset-bottom));margin:0}.platform-icon-credit,.platform-shell .sam-floating-launcher{display:none}.platform-main :is(.dashboard-header,.simple-page-heading,.institution-heading){align-items:center;gap:12px;margin:0 0 16px}.platform-main :is(.dashboard-header,.simple-page-heading,.institution-heading) h1{font-size:var(--ui-page-size);line-height:1.2;font-weight:var(--ui-weight-page)}.phone-platform-navigation{z-index:80;padding:6px 8px calc(6px + env(safe-area-inset-bottom));background:var(--ui-surface);border-top:1px solid var(--ui-line);grid-template-columns:repeat(4,minmax(0,1fr));display:grid;position:fixed;inset:auto 0 0}.phone-platform-navigation :is(a,button){border-radius:var(--ui-control-radius);min-width:0;min-height:48px;color:var(--ui-muted);font-family:inherit;font-size:var(--ui-caption-size);font-weight:var(--weight-text);background:0 0;border:0;flex-direction:column;justify-content:center;align-items:center;gap:4px;text-decoration:none;display:flex}.phone-platform-navigation :is([aria-current=page],[data-active=true],[aria-expanded=true]){color:var(--ui-text);background:#f0f4e9}.phone-platform-navigation :is(a,button):focus-visible,.phone-more-links :is(a,button):focus-visible{outline:2px solid var(--ui-focus);outline-offset:-2px}.phone-more-links{display:grid}.phone-more-links :is(a,button){width:100%;min-height:48px;color:var(--ui-text);border:0;border-bottom:1px solid var(--ui-line);text-align:start;font:inherit;font-size:var(--ui-reading-size);background:0 0;grid-template-columns:18px 1fr 15px;align-items:center;gap:12px;padding:10px 0;text-decoration:none;display:grid}.platform-main>.notification-center>.notification-toggle{display:none}.platform-main .dashboard-header{flex-flow:row;display:flex}.dashboard-header .dashboard-tools{flex:none;gap:6px;width:auto;margin:0;display:flex}.dashboard-header .credit-balance,.dashboard-header .dashboard-calendar-link{display:none}.dashboard-header h1{flex:1}.dashboard-header .dashboard-actions{gap:4px;width:auto}.dashboard-header .dashboard-actions>.dashboard-create-class{width:auto;min-height:44px;font-size:var(--ui-control-size);font-weight:var(--weight-text);flex:none}.platform-main .next-lesson-line{background:0 0;border-width:0 0 1px;border-radius:0;grid-template-columns:1fr auto;gap:4px 12px;margin:0 0 20px;padding:12px 0;display:grid}.next-lesson-line>span{font-size:var(--ui-detail-size);grid-column:1}.next-lesson-line>strong{font-size:var(--ui-reading-size);font-weight:var(--weight-title);grid-column:1}.next-lesson-line>svg{grid-area:1/2/3}.platform-main :is(.class-section,.public-lessons-section){margin:0 0 24px}.platform-main .section-heading{flex-direction:row;justify-content:space-between;align-items:center;margin:0 0 8px;display:flex}.platform-main .section-heading h2{font-size:var(--ui-heading-size);font-weight:var(--weight-title)}.platform-main .class-grid{grid-template-columns:minmax(0,1fr);gap:0;display:grid}.platform-main .class-card{border:0;border-bottom:1px solid var(--ui-line);min-height:64px;box-shadow:none;background:0 0;border-radius:0;padding:11px 0}.platform-main .class-card .class-cover{display:none}.platform-main .class-card-copy{min-width:0;padding:0}.platform-main .class-card-copy h3{font-size:var(--ui-reading-size);line-height:1.35;font-weight:var(--weight-title);margin:0 0 4px}.platform-main .class-card-copy>div{font-size:var(--ui-detail-size)}.phone-segmented{background:#edf1eb;border-radius:11px;gap:4px;margin:0 0 16px;padding:3px;display:flex}.phone-segmented>button{min-height:40px;color:var(--ui-muted);font:inherit;font-size:var(--ui-control-size);background:0 0;border:0;border-radius:8px;flex:1;padding:8px}.phone-segmented>button[aria-pressed=true]{background:var(--ui-surface);color:var(--ui-text)}.phone-compact-list{gap:0;display:grid}.phone-compact-row{border:0;border-bottom:1px solid var(--ui-line);width:100%;min-width:0;min-height:60px;color:var(--ui-text);text-align:start;font:inherit;background:0 0;align-items:center;gap:12px;padding:10px 0;text-decoration:none;display:flex}.phone-compact-row>span:first-child{flex:1;min-width:0}.phone-compact-row strong{font-size:var(--ui-reading-size);font-weight:var(--weight-title);overflow-wrap:anywhere;display:block}.phone-compact-row small{font-size:var(--ui-detail-size);color:var(--ui-muted);margin-top:3px;display:block}.phone-compact-row>span:last-child{font-size:var(--ui-control-size);flex-shrink:0}.phone-detail-values{margin:12px 0}.phone-detail-values>div{border-bottom:1px solid var(--ui-line);justify-content:space-between;gap:16px;padding:10px 0;display:flex}.phone-detail-values dt{color:var(--ui-muted)}.phone-detail-values dd{text-align:end;font-variant-numeric:tabular-nums;margin:0}.phone-detail-actions{flex-wrap:wrap;gap:8px;margin-top:16px;display:flex}.phone-detail-actions :is(button,a){border:1px solid var(--ui-line);background:var(--ui-surface);min-height:44px;color:var(--ui-text);font:inherit;font-size:var(--ui-control-size);border-radius:11px;justify-content:center;align-items:center;gap:6px;padding:8px 12px;text-decoration:none;display:inline-flex}.phone-question-navigation{grid-template-columns:44px 1fr 44px;align-items:center;gap:8px;margin:16px 0;display:grid}.phone-question-navigation :is(button,select){background:var(--ui-surface);border:1px solid var(--ui-line);border-radius:var(--ui-control-radius);min-width:0;min-height:44px;color:var(--ui-text);font:inherit}.phone-question-navigation button{place-items:center;display:grid}.phone-question-navigation select{font-size:var(--ui-input-size);padding:0 10px}.phone-question-navigation button:disabled{opacity:.35}.platform-main :is(.worksheet-player,.submission-review-page,.worksheet-detail-page){max-width:none;padding:0}.platform-main:has(.worksheet-player,.submission-review-page){padding-bottom:calc(24px + env(safe-area-inset-bottom))}.worksheet-compact-header{grid-template-columns:44px minmax(0,1fr);gap:8px;margin-bottom:16px}.worksheet-compact-header h1{font-size:var(--ui-page-size);line-height:1.2;font-weight:var(--weight-title);overflow-wrap:anywhere}.worksheet-compact-status,.submission-review-score{grid-column:2}.worksheet-player-questions>section[data-phone-active=false],.submission-review-questions>section[data-phone-active=false],.submission-teacher-feedback[data-phone-active=false],.worksheet-question-preview[data-phone-active=false],.worksheet-submissions[data-phone-active=false]{display:none}.worksheet-player-questions>section,.submission-review-questions>section{border:0;grid-template-columns:minmax(0,1fr);padding:0}.worksheet-player-questions .worksheet-question-number,.submission-review-questions>section>span{display:none}.worksheet-player-question h2,.submission-review-questions h2{font-size:var(--ui-heading-size);font-weight:var(--weight-title);margin:8px 0 16px}.worksheet-player[data-phone-last=false] .worksheet-submit-bar{display:none}.worksheet-submit-bar{flex-wrap:wrap;padding:16px 0 0;position:static}.worksheet-choices label{min-height:48px;padding:10px 12px}.worksheet-player-question :is(input,textarea),.submission-teacher-feedback textarea,.worksheet-send input{font-size:var(--ui-input-size)}.worksheet-question-preview article{padding:14px 0}.worksheet-question-preview article h3{font-size:var(--ui-reading-size);font-weight:500}.worksheet-submissions>div>:is(a,div){border-radius:0;min-height:56px;padding:10px 0}.phone-worksheet-send{color:#fff;min-height:44px;font:inherit;background:#173f35;border:0;border-radius:11px;margin-bottom:16px;padding:8px 14px}.phone-agenda-days{grid-template-columns:repeat(7,minmax(0,1fr));gap:3px;margin-bottom:12px;display:grid}.phone-agenda-days button{border-radius:var(--ui-control-radius);min-height:62px;color:var(--ui-muted);font:inherit;background:0 0;border:0;justify-items:center;gap:5px;padding:7px 2px 12px;display:grid;position:relative}.phone-agenda-days button[aria-pressed=true]{color:#fff;background:#173f35}.phone-agenda-days span{font-size:var(--ui-caption-size)}.phone-agenda-days strong{font-size:var(--ui-reading-size);font-weight:var(--weight-text)}.phone-agenda-days i{background:currentColor;border-radius:50%;width:3px;height:3px;position:absolute;bottom:5px}.phone-agenda-empty{color:var(--ui-muted);text-align:center;padding:24px 0}.teacher-schedule{margin:0}.teacher-schedule>header{margin:0 0 8px}.teacher-calendar-toolbar{justify-content:space-between;margin:0 0 8px;padding:0}.teacher-calendar-toolbar button{min-width:44px;min-height:44px}.teacher-calendar-toolbar strong{font-size:var(--ui-reading-size);font-weight:var(--weight-title)}.phone-student-directory>section{margin-bottom:24px}.phone-student-directory h2{font-size:var(--ui-heading-size);font-weight:var(--weight-title);margin:0 0 4px}.phone-student-adjustments{margin-top:20px}.phone-student-adjustments summary{min-height:44px;padding:10px 0}.teacher-v4-summary{display:block}.teacher-v4-summary>div[data-phone-active=false]{display:none}.teacher-v4-summary>div{background:0 0;border:0;border-radius:0;min-height:0;padding:16px 0}.teacher-earnings-summary.teacher-v4-summary>div>small{font-size:var(--ui-detail-size);font-weight:var(--weight-text)}.teacher-earnings-summary.teacher-v4-summary .teacher-v4-summary-amount strong{font-size:var(--ui-page-size);font-weight:var(--weight-text)}.teacher-earnings-summary.teacher-v4-summary .teacher-v4-summary-amount span{font-size:var(--ui-detail-size)}.teacher-v4-payment-head{display:none}.teacher-v4-payment-table{border:0}.teacher-v4-earnings>h2,.teacher-v4-payment-ledger h2{font-size:var(--ui-heading-size);font-weight:var(--weight-title)}.phone-payment-detail .teacher-v4-payment-row{border:0;grid-template-columns:minmax(0,1fr);padding:0;display:grid}.phone-payment-detail .teacher-v4-payment-row>div{border-bottom:1px solid var(--ui-line);padding:12px 0}.phone-payment-detail .teacher-v4-payment-row strong{font-size:var(--ui-reading-size);font-weight:var(--weight-title)}.phone-payment-detail .teacher-v4-payment-row small{font-size:var(--ui-detail-size)}.institution-heading{flex-wrap:wrap}.institution-heading>div{flex:1;min-width:0}.institution-heading h1{overflow-wrap:anywhere}.institution-back{align-items:center;min-height:44px;margin:-8px 0 8px;display:inline-flex}.institution-eyebrow{display:none}.institution-tabs{background:#edf1eb;border:0;border-radius:11px;gap:4px;margin:0 0 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button{min-width:0;min-height:40px;font-size:var(--ui-detail-size);border:0;border-radius:8px;padding:8px 4px}.teacher-sell-tabs button[aria-pressed=true]{background:#fff}.teacher-class-manager-list>article{border:0;border-bottom:1px solid var(--ui-line);background:0 0;border-radius:0;grid-template-columns:minmax(0,1fr) auto;gap:8px;padding:12px 0;display:grid}.teacher-class-cover{display:none}.teacher-class-manager-copy{min-width:0}.teacher-class-manager-copy h3{font-size:var(--ui-reading-size);font-weight:var(--weight-title)}.teacher-class-manager-copy p{font-size:var(--ui-detail-size)}.phone-class-manage{border:1px solid var(--ui-line);border-radius:var(--ui-control-radius);min-height:44px;color:var(--ui-text);font:inherit;font-size:var(--ui-control-size);background:#fff;grid-area:actions;place-self:center end;padding:8px 10px}.phone-sheet .teacher-class-row-actions{flex-direction:column;align-items:stretch;gap:4px;display:flex}.phone-sheet .teacher-class-row-actions>:is(button,span,details){width:100%;min-height:44px}.phone-sheet .teacher-class-more-actions{box-shadow:none;border:0;padding:0;position:static}.phone-sheet .teacher-class-more-actions>:is(a,button){min-height:44px}.phone-sheet .teacher-offering-editor{border:0;grid-template-columns:minmax(0,1fr);margin:0;padding:0;display:grid}.phone-sheet .teacher-offering-editor :is(input,select,textarea){font-size:var(--ui-input-size)}.teacher-shop-editor-layout-v3{display:block}.teacher-shop-editor-controls{padding:0}.teacher-shop-profile-row{grid-template-columns:44px minmax(0,1fr);align-items:start;gap:12px}.teacher-shop-photo{width:44px;height:44px}.teacher-shop-editor-grid,.teacher-shop-profile-fields{grid-template-columns:minmax(0,1fr);gap:14px}.teacher-shop-editor :is(input,select,textarea){font-size:var(--ui-input-size);min-width:0}.teacher-shop-handle{min-width:0}.teacher-shop-handle 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12px;padding:12px 0}.invoice-row h3{font-size:var(--ui-reading-size);font-weight:var(--weight-title)}.invoice-row :is(p,.invoice-number){font-size:var(--ui-detail-size)}.platform-main .invoice-row-actions :is(a,button){min-height:44px;font-size:var(--ui-control-size);font-weight:var(--weight-text)}.worksheets-page{padding:0}.worksheets-page>header{margin:0 0 20px}.worksheets-page>header :is(.platform-kicker,p){display:none}.worksheets-page>header h1{font-size:var(--ui-page-size);font-weight:var(--weight-title);margin:0}.worksheet-list{gap:0}.worksheet-list>a{border:0;border-bottom:1px solid var(--ui-line);background:0 0;border-radius:0;grid-template-columns:minmax(0,1fr) auto;gap:6px 12px;padding:12px 0;display:grid}.worksheet-list>a>div:first-child{grid-column:1}.worksheet-list>a>svg{grid-area:1/2/3}.worksheet-list 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.phone-sheet-content>div{justify-content:flex-start;gap:8px}.phone-studio-live .phone-sheet-content>button{width:100%;margin-top:12px}.phone-studio-fullscreen .phone-sheet-content{padding:0}.phone-studio-fullscreen .phone-sheet-content>*{min-width:0}.phone-studio-look-gallery[role=dialog][data-phone-sheet]{width:100%;height:calc(var(--phone-viewport-height,100dvh) - max(8px, env(safe-area-inset-top)));max-height:calc(var(--phone-viewport-height,100dvh) - max(8px, env(safe-area-inset-top)));background:var(--ink);color:#fff;border-radius:18px 18px 0 0;grid-template-rows:48px auto auto minmax(0,1fr) auto;padding:0;position:relative;inset:auto;overflow:hidden}.phone-studio-look-gallery>.phone-sheet-handle{color:#fff}.phone-studio-look-gallery .phone-look-bar{gap:4px;padding:0 12px 8px}.phone-studio-look-gallery .phone-look-bar>button:last-child{min-width:0;font-size:var(--ui-control-size);font-weight:var(--weight-text);grid-area:1/3;padding:0 12px}.phone-look-bar strong{font-size:var(--ui-reading-size);font-weight:var(--weight-title)}.phone-look-bar small{display:none}.phone-studio-look-gallery .phone-look-filters{grid-template-columns:minmax(0,1fr) minmax(0,.8fr);gap:8px;padding:0 12px 12px;display:grid}.phone-look-filters>span{display:none}.phone-look-filters .sr-only{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.phone-look-filters label,.phone-look-filters input,.phone-look-filters select{width:100%;min-width:0}.phone-look-filters select,.phone-look-filters input{font-size:var(--ui-input-size)}.phone-studio-look-gallery .phone-look-stage{min-height:0;padding:0 8px}.phone-studio-look-gallery .phone-look-filmstrip{padding:8px 8px max(8px, env(safe-area-inset-bottom));gap:4px}.phone-look-filmstrip>div{gap:8px}.phone-look-filmstrip button[data-look]>span:first-child{width:76px}.phone-look-filmstrip button[data-look]>span:first-child>span{transform:scale(.271429)}.phone-look-filmstrip button[data-look]>span:nth-child(2):not(:last-child){width:84px}.phone-look-filmstrip button[data-look]>span:last-child{text-overflow:ellipsis;white-space:nowrap;max-width:76px;font-size:var(--ui-detail-size);font-weight:var(--weight-text);overflow:hidden}.payment-return{gap:14px;max-width:100%;padding:24px 0}.payment-return>h1{font-size:var(--ui-page-size);font-weight:var(--weight-title)}.payment-return>p{font-size:var(--ui-reading-size);line-height:1.5}.payment-return>:is(a,button){min-height:44px;font-size:var(--ui-control-size);font-weight:var(--weight-text)}.platform-main .public-register-card{box-shadow:none;background:0 0;border:0;border-radius:0;padding:0}.platform-main .public-register-card:has(.public-country-confirmation)>p:not(.form-error){display:none}:is(.next-lesson-line>span,.class-card-copy>div,.phone-compact-row small,.teacher-v4-summary-amount span,.phone-payment-detail .teacher-v4-payment-row small,.institution-row small,.teacher-class-manager-copy p,.teacher-payment-row small,.invoice-row p,.invoice-number,.worksheet-list>a>div:first-child>span,.worksheet-list-progress){font-size:var(--type-small);font-weight:var(--ui-weight-secondary);color:var(--ui-text);letter-spacing:var(--track-text)}.teacher-earnings-summary.teacher-v4-summary>div>small,.teacher-payment-overview>.teacher-earnings-summary>div>small,.teacher-payment-overview>.teacher-earnings-summary>div>span{font-size:var(--type-small);font-weight:var(--ui-weight-secondary);color:var(--ui-text)}.phone-agenda-days span,.teacher-shop-handle span,.phone-studio-look-gallery :is(.phone-look-bar small,.phone-look-filmstrip button[data-look]>span:last-child){font-weight:var(--weight-text)}}
@media (max-width:700px),(max-width:1000px) and (max-height:500px) and (pointer:coarse){.class-page .class-hero{min-height:0;box-shadow:none;background:0 0;border:0;border-radius:0;padding:4px 0 14px;display:block}.class-page .class-hero:before,.class-page .class-hero:after,.class-page .class-hero>.class-cover-image{display:none}.class-page .class-hero.class-hero h1{color:var(--ui-text);font-size:var(--ui-page-size);font-weight:var(--ui-weight-page);text-shadow:none;margin:0 0 6px}.class-page .class-hero.class-hero .class-hero-meta{color:var(--ui-muted);min-width:0;text-shadow:none}.class-page .class-hero-meta span{font-size:var(--ui-caption-size)}.class-page .class-cover-change{display:none}.class-page[data-phone-more=true] .class-cover-change{min-height:44px;color:var(--ui-text);background:0 0;margin-top:8px;display:inline-flex;position:static}.phone-class-tabs{border-bottom:1px solid var(--ui-line);align-items:center;gap:12px;display:flex}.phone-class-tabs>div{flex:1;gap:20px;display:flex}.phone-class-tabs button{min-width:44px;min-height:44px;color:var(--ui-muted);font:inherit;font-size:var(--ui-control-size);background:0 0;border:0;justify-content:center;align-items:center;display:inline-flex}.phone-class-tabs [role=tab]{border-bottom:2px solid #0000;padding:0 2px}.phone-class-tabs [aria-selected=true]{color:var(--ui-text);border-bottom-color:var(--ui-text)}.class-page .class-actions{flex-wrap:wrap;gap:8px;margin:12px 0;display:flex}.class-page .class-actions>button{width:auto;min-height:40px;font-size:var(--ui-control-size);flex:none;margin:0;padding:8px 12px}.class-page[data-phone-section=lessons] .class-actions [data-phone-action=invite],.class-page[data-phone-section=people] .class-actions [data-phone-action=lesson],.class-page:not([data-phone-more=true]) .class-actions>:not([data-phone-action]),.class-page[data-phone-section=lessons] .member-panel,.class-page[data-phone-section=people] .lesson-list{display:none}.class-page .class-content{display:block}.class-page :is(.lesson-list,.member-panel){background:0 0;border:0;border-radius:0;margin:0;padding:0}.class-page :is(.lesson-list,.member-panel)>.section-heading{display:none}.class-page .lesson-list>article{grid-template-columns:36px minmax(0,1fr);gap:4px 12px;min-height:76px;padding:14px 0}.class-page .lesson-list>article>.local-calendar-date{background:0 0;border-radius:0;width:36px;height:42px}.class-page .lesson-list h3{font-size:var(--ui-control-size);font-weight:var(--ui-weight-heading)}.class-page .lesson-list h3[data-repeated-title=true]{display:none}.class-page .lesson-list>article>div>p{font-size:var(--ui-detail-size);margin:0}.class-page .lesson-card-tools{flex-wrap:wrap;grid-column:2;justify-content:flex-start;gap:6px}.class-page .lesson-card-tools>:is(button,a){min-height:40px}.class-page .lesson-frequency{font-size:var(--ui-caption-size)}.phone-lesson-history{border:0;border-top:1px solid var(--ui-line);width:100%;min-height:48px;color:var(--ui-muted);font:inherit;font-size:var(--ui-detail-size);background:0 0;align-items:center;gap:8px;padding:8px 0;display:flex}.phone-lesson-history>svg{margin-left:auto}.phone-lesson-history[aria-expanded=true]>svg{transform:rotate(180deg)}.class-page .member-list{gap:0}.class-page .member-list>:is(button,.member-static){border-bottom:1px solid var(--ui-line);background:0 0;border-radius:0;min-height:60px;padding:10px 0}.class-page .member-list>:is(button,.member-static)>span{width:28px;height:28px;font-size:var(--ui-caption-size);flex:0 0 28px}.class-page .member-list strong{font-size:var(--ui-detail-size);font-weight:var(--ui-weight-heading)}.class-page .member-list small{font-size:var(--ui-caption-size)}.phone-classroom-dock,.phone-public-dock{z-index:62;left:50%;bottom:max(10px, env(safe-area-inset-bottom));color:#fff;background:#102b25f5;border:1px solid #ffffff24;border-radius:18px;grid-template-columns:repeat(4,1fr);width:min(304px,100vw - 32px);height:52px;padding:3px 6px;display:grid;position:fixed;transform:translate(-50%);box-shadow:0 3px 16px #00181124}.phone-classroom-dock button,.phone-public-dock button{min-width:44px;min-height:44px;color:inherit;background:0 0;border:0;border-radius:11px;flex-direction:column;justify-content:center;align-items:center;gap:2px;padding:0;display:flex;position:relative}.phone-classroom-dock button>span{font-size:var(--type-small);font-weight:var(--weight-text);line-height:1}.phone-classroom-dock button[aria-pressed=true],.phone-public-dock button[aria-pressed=true]{background:#ffffff13}.phone-classroom-dock button:disabled{opacity:.4}.phone-room-hand-dot{background:var(--ui-accent);border-radius:50%;width:5px;height:5px;position:absolute;top:7px;right:14px}.classon-shell[data-phone-writing=true] :is(.phone-classroom-dock,.raise-hand-control,.public-teacher-chat-toggle,.phone-student-write){display:none}.classon-shell[data-phone-live=true] .raise-hand-control{z-index:63;bottom:calc(max(10px, env(safe-area-inset-bottom)) + 3px);width:calc(min(304px,100vw - 32px)/4 - 6px);min-width:44px;height:46px;box-shadow:none;color:#fff;background:0 0;border:0;border-radius:11px;position:fixed;left:calc(50% + min(76px,25vw - 8px));right:auto;transform:none}.classon-shell[data-phone-live=true] .raise-hand-control[data-active=true]{color:var(--ui-accent)}.classon-shell[data-phone-live=true] .raise-hand-control:has(span){color:var(--ui-accent)}.classon-shell:has(.phone-classroom-dock button[aria-label=Writing\ tools]) .raise-hand-control{display:none}.phone-student-write,.phone-public-people{z-index:61;color:#fff;background:#102b25ed;border:0;border-radius:12px;place-items:center;width:44px;height:44px;display:grid;position:fixed;top:56px;left:8px}.classon-shell .classon-brand-cluster{top:max(6px, env(safe-area-inset-top));gap:4px;left:8px}.classon-shell .classon-brand{box-shadow:none;background:0 0;gap:5px;padding:0;position:static}.classon-shell .classon-brand h1{font-size:var(--type-micro);font-weight:var(--ui-weight-heading)}.classon-shell .classon-brand-mark{width:24px;height:24px}.classon-shell .classroom-session-controls .classroom-leave{background:0 0;border:0;width:44px;min-width:44px;height:44px}.classon-shell .classroom-session-controls{top:max(6px, env(safe-area-inset-top));gap:3px;max-width:48vw;right:8px}.classon-shell .classroom-session-controls>button{width:36px;min-width:36px;height:44px}.classon-shell .classroom-recording-indicator{gap:0;font-size:0}.classon-shell .classon-network-notice{width:auto;font-size:var(--ui-caption-size);top:48px;left:8px;right:8px}.classon-shell .classon-media-panel[data-layout][data-frame-view]{max-width:200px;height:72px;box-shadow:none;pointer-events:none;background:0 0;border:0;border-radius:0;flex-direction:row;gap:5px;padding:0;display:flex;position:fixed;overflow:visible;width:auto!important;inset:56px 8px auto auto!important;transform:none!important}.classon-shell .classon-media-panel[data-layout][data-frame-view]>:is(.classon-media-local,.classon-media-remote){pointer-events:none;border-radius:9px;order:0;min-width:96px;min-height:72px;max-height:72px;overflow:hidden;width:96px!important;height:72px!important;position:relative!important;inset:auto!important;transform:none!important}.classon-shell .classon-media-panel[data-layout]>.classon-media-remote:not([data-presenter=true]):not([data-phone-featured=true]),.classon-shell .classon-media-panel[data-layout]>.classon-media-assistant,.classon-shell .classon-media-panel :is(.classon-media-controls,.classon-media-moderation,.classon-student-rewards,.classon-student-trophies,.classon-board-permission,.classon-media-grip,.classon-media-camera-selection){display:none}.classon-shell .classon-media-panel[data-phone-camera=badge],.classon-shell .classon-media-panel[data-phone-camera=hidden]{visibility:hidden}.classon-shell .classon-media-panel .classon-media-remote>span{font-size:var(--type-small);font-weight:var(--weight-text);bottom:4px;left:5px}.classon-shell .classon-media-placeholder{width:18px;height:18px}.phone-camera-preview-toggle{z-index:62;color:#fff;background:0 0;border:0;place-items:center;width:44px;height:44px;padding:8px;display:grid;position:fixed;top:130px;right:8px}.phone-camera-preview-toggle>span{background:#102b25ed;border-radius:50%;place-items:center;width:28px;height:28px;display:grid}.classon-media-panel[data-phone-camera=badge]+.phone-camera-preview-toggle{top:56px}.phone-room-display{font-size:var(--ui-detail-size);flex-direction:column;gap:8px;padding-bottom:12px;display:flex}.phone-room-display>div{grid-template-columns:repeat(3,1fr);gap:4px;display:grid}.phone-room-display button{min-height:44px;color:var(--ui-muted);font:inherit;font-size:var(--ui-caption-size);background:0 0;border:0;border-radius:10px;justify-content:center;align-items:center;gap:7px;padding:6px;display:flex}.phone-room-display button[aria-pressed=true]{background:var(--ui-canvas);color:var(--ui-text)}.phone-room-device-link{border:0;border-bottom:1px solid var(--ui-line);width:100%;min-height:48px;color:var(--ui-text);font:inherit;font-size:var(--ui-detail-size);background:0 0;align-items:center;gap:10px;padding:8px 0;display:flex}.phone-room-person{border-bottom:1px solid var(--ui-line);flex-wrap:wrap;align-items:center;gap:10px;min-height:60px;display:flex}.phone-room-person>span:nth-child(2){overflow-wrap:anywhere;min-width:0;font-size:var(--ui-detail-size);flex:1}.phone-room-person .phone-room-person-name{text-align:left;overflow-wrap:anywhere;min-width:0;font-size:var(--ui-detail-size);flex-direction:column;flex:80px;justify-content:center;align-items:flex-start;padding:8px 0;display:flex}.phone-room-person .phone-room-person-name[aria-pressed=true]{color:var(--ui-success)}.phone-room-person small{font-size:var(--ui-caption-size);color:var(--ui-muted);display:block}.phone-room-avatar{background:var(--ui-canvas);width:28px;height:28px;font-size:var(--ui-caption-size);border-radius:50%;flex:0 0 28px;place-items:center;display:grid}.phone-room-person-actions{flex-wrap:wrap;max-width:100%;margin-left:auto;display:flex}.phone-room-person button{min-width:44px;min-height:44px;color:var(--ui-text);font:inherit;font-size:var(--ui-caption-size);background:0 0;border:0;border-radius:10px;place-items:center;display:grid}.phone-sheet .classon-media-device-menu{width:auto;max-width:none;box-shadow:none;color:var(--ui-text);background:0 0;border:0;border-radius:0;padding:0;position:static;transform:none}.phone-sheet .classon-media-device-menu :is(select,button){min-height:44px}.phone-sheet .classon-media-device-field{margin-top:14px}.phone-sheet .classon-media-device-field select{min-width:0;font-size:var(--ui-input-size);flex:1}.classon-shell[data-phone-live=true] .classon-capture-root[data-presentation-layout]{--presentation-board-width:100vw;--presentation-board-height:100svh}.classon-shell[data-phone-live=true] .classon-capture-root[data-presentation-layout] .board{width:100vw;height:100svh}.board-wrap .board-toolbar,.classon-capture-root[data-presentation-layout] .board-toolbar{top:auto;left:50%;right:auto;bottom:max(10px, env(safe-area-inset-bottom));border-radius:16px;flex-direction:row;gap:2px;width:auto;max-width:calc(100vw - 24px);height:52px;max-height:52px;margin:0;padding:3px 5px;display:flex;position:fixed;overflow:visible;transform:translate(-50%)}.board-wrap .board-toolbar[data-phone-visible=false],.board-wrap .board-toolbar:not([data-phone-expanded=true])>:not([data-phone-primary]):not(.phone-board-more):not(.phone-board-back):not(.board-file-error-message){display:none}.board-wrap .board-toolbar .tool-button{width:44px;min-width:44px;height:44px;padding:0}.board-wrap .board-toolbar .tool-button>svg{width:18px;height:18px}.phone-board-clear-warning{color:var(--ui-muted);font-size:var(--ui-detail-size);margin:0 0 20px}.phone-board-clear-actions{gap:12px;display:flex}.phone-board-clear-actions button{background:var(--ui-canvas);min-height:44px;color:var(--ui-text);font:inherit;font-size:var(--ui-control-size);border:0;border-radius:12px;flex:1}.phone-board-clear-actions button:last-child{color:#fff;background:var(--ui-danger)}.phone-board-tools .board-toolbar{width:100%;max-width:none;height:auto;max-height:none;box-shadow:none;color:var(--ui-text);background:0 0;border:0;border-radius:0;grid-template-columns:repeat(4,1fr);gap:8px;margin:0;padding:0;display:grid;position:static;transform:none}.phone-board-tools .board-toolbar .tool-button{width:100%;height:auto;min-height:48px;color:inherit;background:var(--ui-canvas);border:0;border-radius:10px;place-items:center;display:grid}.phone-board-tools .board-toolbar [data-active=true]{background:#e0ebdf}.phone-board-tools .board-toolbar .tool-divider{display:none}.phone-board-tools .board-toolbar .ink-control{min-height:48px}.board-wrap .board-page-nav,.classon-capture-root[data-presentation-layout] .board-page-nav{top:auto;bottom:calc(max(10px, env(safe-area-inset-bottom)) + 62px);background:#102b25c9;border:0;border-radius:12px;height:36px;padding:0;left:50%;transform:translate(-50%)}.board-wrap .board-page-nav button{width:36px;height:44px;margin-block:-4px}.board-wrap .board-page-nav span{min-width:40px;font-size:var(--type-small);font-weight:var(--weight-text)}.board-wrap .board-page-watermark{font-family:var(--font-ui);font-size:var(--type-small);font-weight:var(--weight-text)}.board-wrap :is(.ink-popover,.board-appearance-popover,.shape-popover),.classon-capture-root[data-presentation-layout] :is(.ink-popover,.board-appearance-popover,.shape-popover){top:auto;left:50%;right:auto;bottom:calc(max(10px, env(safe-area-inset-bottom)) + 112px);width:max-content;max-width:calc(100vw - 24px);max-height:min(52dvh,380px);position:fixed;overflow:auto;transform:translate(-50%)}.board-wrap .shape-popover{width:min(344px,100vw - 24px)}.board-wrap :is(.size-choice,.color-choice,.shape-choice,.board-theme-choice){min-width:38px;min-height:40px}.board-wrap .board-geometry-actions{bottom:calc(max(10px, env(safe-area-inset-bottom)) + 108px);width:max-content;max-width:calc(100vw - 24px);position:fixed;overflow-x:auto;top:auto!important;left:50%!important}.board-wrap .board-geometry-actions button{min-height:44px;font-size:var(--ui-detail-size)}.board-wrap .teacher-cloud{width:min(320px,100vw - 16px);max-height:none;top:54px;bottom:122px;right:8px}.board-wrap[data-presentation-only=true] :is(.board-toolbar,.board-page-nav){display:none}.personal-blackboard-shell .recording-studio-launch,.classon-shell .recording-studio-launch{top:max(8px, env(safe-area-inset-top));width:44px;height:44px;right:8px}.public-live-shell{height:100dvh;min-height:0;padding:0;overflow:hidden}.public-live-shell>header{z-index:40;top:env(safe-area-inset-top);color:#fff;background:#102b25e8;gap:8px;height:48px;min-height:48px;padding:0 12px;position:absolute;left:0;right:0}.public-live-shell>header .platform-wordmark{white-space:nowrap;text-overflow:ellipsis;max-width:75vw;font-size:var(--ui-detail-size);overflow:hidden}.public-live-shell>header>span{font-size:var(--ui-caption-size)}.public-live-shell .public-live-stage{height:100%;padding:0;display:block;position:absolute;inset:0}.public-live-shell .public-board-view{border:0;border-radius:0;width:100%;height:100%;min-height:0;position:absolute;inset:0}.public-live-shell .public-live-stage>aside{border:0;width:auto;padding:0;position:static}.public-live-shell .public-teacher-video{z-index:41;border-radius:9px;width:96px;height:72px;min-height:0;position:absolute;top:58px;right:8px;overflow:hidden}.public-live-shell .public-teacher-video video{object-fit:cover;width:100%;height:100%}.public-live-shell[data-phone-camera=badge] .public-teacher-video{visibility:hidden}.phone-public-dock{grid-template-columns:repeat(3,1fr);width:220px}.classon-shell .public-teacher-chat{width:auto;position:static;inset:auto}.classon-shell .public-teacher-chat-toggle{z-index:63;bottom:calc(max(10px, env(safe-area-inset-bottom)) + 3px);color:#fff;width:calc(min(304px,100vw - 32px)/4 - 6px);height:46px;box-shadow:none;background:0 0;border:0;border-radius:11px;position:fixed;left:50%;right:auto}.phone-sheet .public-chat{height:min(70dvh,680px);min-height:0;box-shadow:none;background:0 0;border:0;border-radius:0;flex-direction:column;display:flex}.phone-sheet 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