Archive Reader System Color Scheme Detection
Detect the system color scheme in an archive reader scenario: includes realistic content, interactive controls, clear status feedback, and responsive layout.
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<title>Archive Reader System Color Scheme Detection</title>
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<header class="mast"><div><span class="eyebrow">dashboard / System Color Scheme Check / BEGINNER</span><h1>Archive Reader System Color Scheme Detection</h1><p class="intro">Detect the system color scheme in an archive reader scenario: includes realistic content, interactive controls, clear status feedback, and responsive layout.</p></div><span class="scenario">Archive Reader</span></header>
<div class="composition-studio"><div class="studio-ruler" aria-hidden="true"></div><section class="demo" aria-label="Archive Reader system color-scheme detection interaction area"><div class="workflow-compare"><form id="workflowCompareControls" class="compare-controls"><fieldset><legend>Reference Channel</legend><label><input type="radio" name="workflowChannel" value="A" checked>A · Archive reader permission check</label><label><input type="radio" name="workflowChannel" value="B">B · Archive Reader Capability Log</label></fieldset><label>Inspection Item Weights<input id="workflowCompareWeight" type="range" min="10" max="90" value="50"><output id="workflowCompareWeightValue">50 item</output></label><label><input id="workflowCompareFreeze" type="checkbox">Freeze current version</label><button id="workflowCompareCapture" class="action primary" type="button">Capture and record capabilities</button><ol id="workflowCompareShelf" aria-label="Version Sampling Record"></ol></form><section class="compare-stage"><header><span class="eyebrow">Archive Reader COMPARE</span><h2>Archive reader dual-version comparison</h2><output id="workflowCompareLive">Version A waiting for sampling</output></header><section id="workflowCore" class="workflow-core compare-core" data-compare-channel="A" style="--compare-split:50%"><!-- 11DZ_CORE_START:browser-media-device-color-scheme --><div id="schemeLab" class="scheme-lab" data-scheme="system"><aside><span class="eyebrow">COLOR SCHEME</span><h2>Archive Reader Color Scheme Preview</h2><fieldset id="schemeChoices"><legend>Display Mode</legend><label><input type="radio" name="scheme" value="system" checked>Follow system</label><label><input type="radio" name="scheme" value="light">Forced light mode</label><label><input type="radio" name="scheme" value="dark">Force dark mode</label></fieldset><label><input id="schemeContrast" type="checkbox" data-core-bridge="browser-media-device-color-scheme">Enhanced edge contrast</label></aside><section><header><i></i><i></i><i></i><output id="schemeDetected">Detect system preferences</output></header><article><span class="eyebrow">LIVE PREVIEW</span><h3>Theme switching preserves content structure</h3><p>Color roles, boundaries, and focus styles change together.</p><button id="schemeSample" class="action" type="button">Switch sample state</button></article><ul id="schemeTokens"><li><i></i>Page</li><li><i></i>Text</li><li><i></i>Emphasis</li></ul></section></div><!-- 11DZ_CORE_END --></section></section></div><p id="status" class="status" role="status" aria-live="polite"></p></section></div>
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<script>
'use strict';
const statusOutput = document.querySelector('#status');
const announce = message => { statusOutput.textContent = message; };
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/* 11DZ_CORE_SCRIPT_END */
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const workflowCompareCore=document.querySelector('#workflowCore');const workflowCompareWeight=document.querySelector('#workflowCompareWeight');const workflowCompareState={channel:'A',weight:50,frozen:false,snapshots:[]};function workflowCompareFingerprint(){const controls=[...workflowCompareCore.querySelectorAll('input,select,textarea')];const outputs=[...workflowCompareCore.querySelectorAll('output,[role="status"],strong')].map(node=>node.textContent.trim()).filter(Boolean);return {controlValues:controls.map(control=>control.type==='checkbox'||control.type==='radio'?control.checked:control.value),summary:outputs.slice(0,4).join(' / '),nodes:workflowCompareCore.querySelectorAll('*').length};}function workflowCompareDrive(){workflowCompareCore.dataset.compareChannel=workflowCompareState.channel;workflowCompareCore.style.setProperty('--compare-split',workflowCompareState.weight+'%');document.querySelector('#workflowCompareWeightValue').textContent=workflowCompareState.weight+' Item';document.querySelector('#workflowCompareLive').textContent=workflowCompareState.channel+' Version · '+workflowCompareState.weight+' Item'+(workflowCompareState.frozen?' · Frozen':'');announce('Archive Reader is viewing '+workflowCompareState.channel+' Version');}function workflowCompareCapture(source){const bridge=workflowBridgeActivate();const snapshot={...workflowCompareFingerprint(),channel:workflowCompareState.channel,weight:workflowCompareState.weight,source,bridge:bridge.summary};workflowCompareState.snapshots.push(snapshot);const item=document.createElement('li');item.innerHTML='<b>'+snapshot.channel+'</b><span>'+(snapshot.summary||snapshot.bridge)+'</span><small>'+snapshot.weight+' Item · '+snapshot.bridge+'</small>';document.querySelector('#workflowCompareShelf').prepend(item);announce('sampled '+snapshot.channel+' Version and record capabilities · '+bridge.summary);}document.querySelectorAll('[name="workflowChannel"]').forEach(input=>input.addEventListener('change',()=>{workflowCompareState.channel=input.value;workflowCompareDrive();}));workflowCompareWeight.addEventListener('input',()=>{workflowCompareState.weight=Number(workflowCompareWeight.value);workflowCompareDrive();});document.querySelector('#workflowCompareFreeze').addEventListener('change',event=>{workflowCompareState.frozen=event.currentTarget.checked;workflowCompareDrive();});document.querySelector('#workflowCompareCapture').addEventListener('click',()=>workflowCompareCapture('Button Sampling'));workflowCompareCore.addEventListener('dblclick',()=>workflowCompareCapture('Main view double-click'));workflowCompareDrive();
workflowBridgeReset();
</script>
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