Air Briefing Donut Chart
Create a donut chart for an air briefing scenario: includes realistic content, interactive controls, clear state feedback, and responsive layouts across sizes.
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<header class="mast"><div><span class="eyebrow">art-deco / Donut Chart / INTERMEDIATE</span><h1>Air Briefing Donut Chart</h1><p class="intro">Create a donut chart for an air briefing scenario: includes realistic content, interactive controls, clear state feedback, and responsive layouts across sizes.</p></div><span class="scenario">Air Briefing</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 a doughnut chart.</span></aside><section class="demo" aria-label="Air Briefing donut chart interactive area"><div class="workflow-guide"><nav class="guide-rail" aria-label="Air Briefing Guide"><span class="eyebrow">Air Briefing GUIDE</span><ol><li data-workflow-guide-step="0" aria-current="step"><b>1</b><span>Current View of the Air Briefing</span></li><li data-workflow-guide-step="1"><b>2</b><span>Air Briefing Comparison View</span></li><li data-workflow-guide-step="2"><b>3</b><span>Air Briefing Summary View</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="Air Briefing 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 “Current Air Briefing View” in the main case.</p><!-- 11DZ_CORE_START:drawing-data-viz-donut-chart --><div class="drawing-pattern drawing-pattern-2"><div class="canvas-shell"><canvas id="artboard" width="900" height="440" aria-label="Donut Chart Canvas" aria-describedby="canvasDescription"></canvas><div class="canvas-tools panel"><span class="eyebrow">CANVAS MODE 3</span><h2>Donut chart</h2><label>Complexity <input id="canvasAmount" type="range" min="4" max="28" value="16"></label><button id="redrawCanvas" class="action primary" type="button">Redraw</button><p id="canvasDescription" class="muted">On a dark canvas, create a donut chart using two high-contrast colors; a complexity slider determines the number of shapes, and everything is generated locally in the browser.</p></div></div><form id="donutAllocationForm" class="drawing-controller donut-controller"><header><span class="eyebrow">RATIO WORKBENCH</span><h3>Air Briefing Allocation</h3></header><div class="donut-fields"><label>Core<input data-donut-share type="number" min="0" max="100" value="45"></label><label>Supported<input data-donut-share type="number" min="0" max="100" value="35"></label><label>Other<input data-donut-share type="number" min="0" max="100" value="20"></label></div><label>Inner Ring Size<input id="donutHole" type="range" min="25" max="75" value="52" data-core-bridge="drawing-data-viz-donut-chart"></label><button class="action" type="submit">Balanced proportions</button><output id="donutAllocationTotal">Total 100%</output></form></div><!-- 11DZ_CORE_END --></section><aside class="guide-evidence"><details id="workflowGuideDetails"><summary>View acceptance requirements</summary><ul><li>The Air Briefing current view requires a visible state change</li><li>Air briefing comparison view requires one visible state change</li><li>The air briefing summary view needs one visible state change</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><p id="status" class="status" role="status" aria-live="polite"></p></section></div>
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