Course reader rhythm marquee text
Complete the rhythmic marquee text in a course reader scenario: includes real content, interactive controls, clear state feedback, and responsive layouts.
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<header class="mast"><div><span class="eyebrow">magazine / rhythmic marquee text / BEGINNER</span><h1>Course reader rhythm marquee text</h1><p class="intro">Complete the rhythmic marquee text in a course reader scenario: includes real content, interactive controls, clear state feedback, and responsive layouts.</p></div><span class="scenario">Course Reader</span></header>
<div class="composition-split"><aside class="split-note"><b>CASE 02</b><span>Master the semantic structure, responsive layout, keyboard interaction, and state synchronization of marquee text with rhythm.</span></aside><section class="demo" aria-label="Course reader rhythm marquee text interaction area"><section id="atlasShell" class="atlas-shell" data-atlas-mode="brief"><header class="atlas-head"><div><span class="eyebrow">Course Reader / ATLAS DOSSIER</span><h2>Rhythmic marquee text sample atlas</h2><p>Rewrap the main case with a graph-style sample page, separating sample index, tracking view, handoff notes, and field records.</p></div><div class="atlas-controls"><div class="atlas-modes"><button class="action primary" type="button" data-atlas-mode="brief">Briefing</button><button class="action" type="button" data-atlas-mode="trace">Track</button><button class="action" type="button" data-atlas-mode="handoff">Handoff</button></div><output id="atlasState">Waiting to create sample</output></div></header><div class="atlas-body"><aside class="atlas-index"><ol class="atlas-chapters"><li><button type="button" data-atlas-card="0" aria-pressed="true"><span>01</span><strong>Course Reader Inspiration</strong><small>Check whether the status change is visible</small></button></li><li><button type="button" data-atlas-card="1" aria-pressed="false"><span>02</span><strong>Course reader record</strong><small>Confirm keyboard and click entry points are consistent</small></button></li><li><button type="button" data-atlas-card="2" aria-pressed="false"><span>03</span><strong>Course reader collaboration</strong><small>Check whether the layout falls back on narrow screens</small></button></li><li><button type="button" data-atlas-card="3" aria-pressed="false"><span>04</span><strong>Course Reader Progress</strong><small>Record current review conclusion</small></button></li></ol><label>Layout scale<input id="atlasZoom" type="range" min="82" max="132" value="100"><output id="atlasZoomValue">100%</output></label><label>Sampling focus<select id="atlasFocus"><option value="0">Course Reader Inspiration</option><option value="1">Course reader record</option><option value="2">Course reader collaboration</option><option value="3">Course Reader Progress</option></select></label><button id="atlasCapture" class="action primary" type="button">Featured sample</button><dl class="atlas-meta"><div><dt>Number of Entries</dt><dd id="atlasCount">0</dd></div><div><dt>Current focus</dt><dd id="atlasCurrent">Course Reader Inspiration</dd></div><div><dt>Review Mode</dt><dd id="atlasModeLabel">Briefing</dd></div></dl></aside><section class="atlas-stage"><div class="atlas-summary"><article data-active="true"><span>Sample</span><strong>Course Reader Inspiration</strong><p>Check whether the status change is visible</p></article><article><span>Trace</span><strong>Course reader record</strong><p>Confirm keyboard and click entry points are consistent</p></article><article><span>Signal</span><strong>Course reader collaboration</strong><p>Check whether the layout falls back on narrow screens</p></article><article><span>Handoff</span><strong>Course Reader Progress</strong><p>Record current review conclusion</p></article></div><div id="atlasCoreShell" class="atlas-core-shell"><div id="workflowSpatial" class="workflow-spatial" style="--spatial-width:64%;--spatial-zoom:1"><header><div><span class="eyebrow">Course Reader SPATIAL CANVAS</span><h2>Course Reader Console</h2></div><label>Reading Length Ratio<input id="workflowSpatialWidth" type="range" min="38" max="82" value="64"><output id="workflowSpatialWidthValue">64%</output></label><label>Content Scaling<input id="workflowSpatialZoom" type="range" min="80" max="120" value="100"><output id="workflowSpatialZoomValue">100%</output></label></header><div class="spatial-grid"><section id="workflowCore" class="workflow-core spatial-core"><!-- 11DZ_CORE_START:typography-text-marquee-lines --><div class="marquee-studio"><header class="marquee-controls panel"><div><span class="eyebrow">MARQUEE LINES</span><h2>Rhythmic marquee workstation</h2></div><label>Movement speed <input id="marqueeSpeed" type="range" min="6" max="24" value="14"><output id="marqueeSpeedValue">14 seconds</output></label><div class="row"><button id="marqueeDirection" class="action" type="button" data-core-bridge="typography-text-marquee-lines">Reverse</button><button id="marqueePause" class="action" type="button" aria-pressed="false">Pause</button></div></header><div class="marquee-layout"><section id="marqueeStage" class="marquee-stage" aria-labelledby="marqueeAccessible"><h3 id="marqueeAccessible" class="marquee-visually-hidden">Course reader inspiration, course reader notes, course reader collaboration, course reader progress, course reader reminders</h3><div class="marquee-line line-0" aria-hidden="true"><div><span>Course Reader Inspiration</span><span>Course reader record</span><span>Course reader collaboration</span><span>Course Reader Progress</span><span>Course Reader Reminder</span><span>Course Reader Inspiration</span><span>Course reader record</span><span>Course reader collaboration</span><span>Course Reader Progress</span><span>Course Reader Reminder</span></div></div><div class="marquee-line line-1" aria-hidden="true"><div><span>Course Reader Inspiration</span><span>Course reader record</span><span>Course reader collaboration</span><span>Course Reader Progress</span><span>Course Reader Reminder</span><span>Course Reader Inspiration</span><span>Course reader record</span><span>Course reader collaboration</span><span>Course Reader Progress</span><span>Course Reader Reminder</span></div></div><div class="marquee-line line-2" aria-hidden="true"><div><span>Course Reader Inspiration</span><span>Course reader record</span><span>Course reader collaboration</span><span>Course Reader Progress</span><span>Course Reader Reminder</span><span>Course Reader Inspiration</span><span>Course reader record</span><span>Course reader collaboration</span><span>Course Reader Progress</span><span>Course Reader Reminder</span></div></div></section><aside><strong id="marqueeMode">Direction: default</strong><p id="marqueeCycle">Current cycle 14 seconds</p><ul><li>Line 1 emphasizes the main sentence</li><li>Line 2 auto reverse</li><li>A smaller font on line 3 creates a rhythmic contrast</li></ul></aside></div></div><!-- 11DZ_CORE_END --></section><input id="workflowSpatialHandle" class="spatial-handle" type="button" value="↔" aria-label="Drag to adjust the main case preview width"><aside><strong>Course Reader Layout Adjustment</strong><p>Course Reader Key Points Emphasis and course reader completion will be rearranged to fit the canvas size.</p><output id="workflowSpatialStatus">Width 64%, zoom 100%</output><input id="workflowSpatialApply" class="action primary" type="button" value="Application Layout"></aside></div></div></div><ol id="atlasLog" class="atlas-log"><li>Waiting for the first graph sample</li></ol></section></div></section><p id="status" class="status" role="status" aria-live="polite"></p></section></div>
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const atlasShell=document.querySelector('#atlasShell');const atlasState=document.querySelector('#atlasState');const atlasZoom=document.querySelector('#atlasZoom');const atlasZoomValue=document.querySelector('#atlasZoomValue');const atlasFocus=document.querySelector('#atlasFocus');const atlasCurrent=document.querySelector('#atlasCurrent');const atlasCount=document.querySelector('#atlasCount');const atlasModeLabel=document.querySelector('#atlasModeLabel');const atlasCards=[...document.querySelectorAll('[data-atlas-card]')];const atlasSummary=[...document.querySelectorAll('.atlas-summary article')];const atlasLog=document.querySelector('#atlasLog');const atlasModeButtons=[...atlasShell.querySelectorAll('[data-atlas-mode]')];const atlasNotes=["Course Reader Inspiration","Course reader record","Course reader collaboration","Course Reader Progress"];const atlasCore=document.querySelector('#workflowCore');let atlasCaptures=0;function atlasSetActive(index){atlasCards.forEach((button,buttonIndex)=>button.setAttribute('aria-pressed',String(buttonIndex===index)));atlasSummary.forEach((card,cardIndex)=>{if(cardIndex===index)card.setAttribute('data-active','true');else card.removeAttribute('data-active');});atlasCurrent.textContent=atlasNotes[index]||atlasNotes[0]||'Unnamed Focus';}function atlasRender(reason){const version=atlasCore?.dataset.workflowVersion||'0';const zoom=Number(atlasZoom.value);const active=Math.min(atlasNotes.length-1,Number(atlasFocus.value)||0);atlasShell.style.setProperty('--atlas-zoom',String(zoom));atlasZoomValue.textContent=zoom+'%';atlasCount.textContent=String(atlasCaptures);atlasSetActive(active);atlasModeLabel.textContent={brief:'Briefing',trace:'Track',handoff:'Handoff'}[atlasShell.dataset.atlasMode]||'Briefing';atlasState.textContent=reason+' · Core Version '+version;}atlasModeButtons.forEach(button=>button.addEventListener('click',()=>{atlasModeButtons.forEach(item=>item.classList.toggle('primary',item===button));atlasShell.dataset.atlasMode=button.dataset.atlasMode;atlasRender('Switched to'+button.textContent);announce('Chart Mode:'+button.textContent);}));atlasCards.forEach((button,index)=>button.addEventListener('click',()=>{atlasFocus.value=String(index);atlasRender('Sample focus switched');announce('Chart focus:'+atlasNotes[index]);}));atlasZoom.addEventListener('input',()=>{atlasRender('Layout scale updated');announce('Graph Magnification '+atlasZoom.value+'%');});atlasFocus.addEventListener('change',()=>{atlasRender('Sampling Focus Switched');announce('Sampling Focus:'+atlasNotes[Number(atlasFocus.value)||0]);});document.querySelector('#atlasCapture').addEventListener('click',()=>{const index=Math.min(atlasNotes.length-1,Number(atlasFocus.value)||0);const note=atlasNotes[index]||atlasNotes[0]||'Unnamed Focus';const version=atlasCore?.dataset.workflowVersion||'0';atlasCaptures+=1;const item=document.createElement('li');item.textContent='Sample '+atlasCaptures+' · '+note+' · Core Version '+version;const empty=atlasLog.querySelector('li')?.textContent==='Waiting for the first graph sample';if(empty)atlasLog.replaceChildren(item);else atlasLog.prepend(item);while(atlasLog.children.length>6)atlasLog.lastElementChild.remove();atlasRender('Included in sample '+atlasCaptures);announce('Included in sample '+atlasCaptures+' · '+note);});atlasCore?.addEventListener('focusin',()=>atlasRender('Main Case Gets Focus'));atlasCore?.addEventListener('click',()=>atlasRender('Primary example interaction'));atlasRender('Waiting to create sample');
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