Podcast Library Expandable Records
Complete an expandable record in a podcast library scenario: includes realistic content, interactive controls, clear status feedback, and responsive layouts across sizes.
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<header class="mast"><div><span class="eyebrow">magazine / expandable records / INTERMEDIATE</span><h1>Podcast Library Expandable Records</h1><p class="intro">Complete an expandable record in a podcast library scenario: includes realistic content, interactive controls, clear status feedback, and responsive layouts across sizes.</p></div><span class="scenario">Podcast Library</span></header>
<figure class="composition-gallery"><section class="demo" aria-label="Podcast Library Expandable Records Interaction Area"><section id="atlasShell" class="atlas-shell" data-atlas-mode="brief"><header class="atlas-head"><div><span class="eyebrow">Podcast Library / ATLAS DOSSIER</span><h2>Expandable Records 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>Podcast Library Favorites</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>Podcast Library Overview</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>Podcast Library Plan</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>Podcast Library Inspiration</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">Podcast Library Favorites</option><option value="1">Podcast Library Overview</option><option value="2">Podcast Library Plan</option><option value="3">Podcast Library Inspiration</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">Podcast Library Favorites</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>Podcast Library Favorites</strong><p>Check whether the status change is visible</p></article><article><span>Trace</span><strong>Podcast Library Overview</strong><p>Confirm keyboard and click entry points are consistent</p></article><article><span>Signal</span><strong>Podcast Library Plan</strong><p>Check whether the layout falls back on narrow screens</p></article><article><span>Handoff</span><strong>Podcast Library Inspiration</strong><p>Record current review conclusion</p></article></div><div id="atlasCoreShell" class="atlas-core-shell"><div class="workflow-guide"><nav class="guide-rail" aria-label="Podcast Library Guide"><span class="eyebrow">Podcast Library GUIDE</span><ol><li data-workflow-guide-step="0" aria-current="step"><b>1</b><span>Podcast Library Collection List</span></li><li data-workflow-guide-step="1"><b>2</b><span>Podcast Library Sorting and Grouping</span></li><li data-workflow-guide-step="2"><b>3</b><span>Podcast Library Release Complete</span></li></ol><div class="guide-actions"><button id="workflowGuideBack" class="action" type="button" disabled>Previous</button><button id="workflowGuideNext" class="action primary" type="button">Complete this step</button></div><div id="workflowGuideProgress" role="progressbar" aria-label="Podcast Library Completion" aria-valuemin="0" aria-valuemax="100" aria-valuenow="0"><i></i></div></nav><section id="workflowCore" class="workflow-core guide-core" data-guide-step="0" aria-describedby="workflowGuideInstruction"><p id="workflowGuideInstruction">Please complete the operations related to the “Podcast Library collection list” in the main example.</p><!-- 11DZ_CORE_START:cards-lists-content-expandable-records --><div class="records-demo"><header><span class="eyebrow">EXPANDABLE RECORDS</span><h2>Podcast library records</h2></header><div class="record-list"><article><button type="button" aria-expanded="false" aria-controls="recordDetails0" data-core-bridge="cards-lists-content-expandable-records"><span><b>Podcast Library Favorites</b><small>Record 1 · Pending</small></span><i aria-hidden="true">⌄</i></button><div id="recordDetails0" hidden><dl><div><dt>Owner</dt><dd>Member 1</dd></div><div><dt>Updated at</dt><dd>07.08</dd></div></dl><p>Expanded to show the structured details for this record.</p></div></article><article><button type="button" aria-expanded="false" aria-controls="recordDetails1"><span><b>Podcast Library Overview</b><small>Record 2 · Completed</small></span><i aria-hidden="true">⌄</i></button><div id="recordDetails1" hidden><dl><div><dt>Owner</dt><dd>Member 2</dd></div><div><dt>Updated at</dt><dd>07.09</dd></div></dl><p>Expanded to show the structured details for this record.</p></div></article><article><button type="button" aria-expanded="false" aria-controls="recordDetails2"><span><b>Podcast Library Plan</b><small>Record 3 · To do</small></span><i aria-hidden="true">⌄</i></button><div id="recordDetails2" hidden><dl><div><dt>Owner</dt><dd>Member 3</dd></div><div><dt>Updated at</dt><dd>07.10</dd></div></dl><p>Expanded to show the structured details for this record.</p></div></article><article><button type="button" aria-expanded="false" aria-controls="recordDetails3"><span><b>Podcast Library Inspiration</b><small>Record 4 · Completed</small></span><i aria-hidden="true">⌄</i></button><div id="recordDetails3" hidden><dl><div><dt>Owner</dt><dd>Member 4</dd></div><div><dt>Updated at</dt><dd>07.11</dd></div></dl><p>Expanded to show the structured details for this record.</p></div></article><article><button type="button" aria-expanded="false" aria-controls="recordDetails4"><span><b>Podcast library records</b><small>Record 5 · Pending</small></span><i aria-hidden="true">⌄</i></button><div id="recordDetails4" hidden><dl><div><dt>Owner</dt><dd>Member 5</dd></div><div><dt>Updated at</dt><dd>07.12</dd></div></dl><p>Expanded to show the structured details for this record.</p></div></article><article><button type="button" aria-expanded="false" aria-controls="recordDetails5"><span><b>Podcast Library Collaboration</b><small>Record 6 · Completed</small></span><i aria-hidden="true">⌄</i></button><div id="recordDetails5" hidden><dl><div><dt>Owner</dt><dd>Member 6</dd></div><div><dt>Updated at</dt><dd>07.13</dd></div></dl><p>Expanded to show the structured details for this record.</p></div></article></div></div><!-- 11DZ_CORE_END --></section><aside class="guide-evidence"><details id="workflowGuideDetails"><summary>View acceptance requirements</summary><ul><li>The podcast library collection list needs a visible state change at once</li><li>Podcast library sorting and grouping require a visible state change</li><li>The podcast library requires one visible state change to complete publication</li></ul></details><form id="workflowGuideEvidenceForm"><label>This step evidence<textarea id="workflowGuideEvidence" rows="3" placeholder="Record the observed state"></textarea></label><input class="action" type="submit" value="Save evidence"></form><output id="workflowGuideSummary">0 / 3 Steps Complete</output></aside></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><figcaption class="gallery-caption"><strong>Podcast Library / GALLERY 03</strong></figcaption></figure>
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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=["Podcast Library Favorites","Podcast Library Overview","Podcast Library Plan","Podcast Library Inspiration"];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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