Reading mode numeric stepper
Complete a numeric stepper for a reading-mode scenario: includes real content, actionable controls, clear status feedback, and responsive layouts.
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<header class="mast"><div><span class="eyebrow">playful / Numeric Stepper / BEGINNER</span><h1>Reading mode numeric stepper</h1><p class="intro">Complete a numeric stepper for a reading-mode scenario: includes real content, actionable controls, clear status feedback, and responsive layouts.</p></div><span class="scenario">Reading Mode</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 numeric stepper.</span></aside><section class="demo" aria-label="Reading mode numeric stepper interaction area"><div class="workflow-session"><header class="session-command"><div><span class="eyebrow">Reading Mode SESSION</span><h2>Reading Rhythm Timer Station</h2></div><output id="workflowSessionClock">00:45</output><label>Round Duration<input id="workflowSessionLength" type="range" min="15" max="90" step="15" value="45"><span>sec</span></label><button id="workflowSessionToggle" class="action primary" type="button">Start Reading</button></header><div id="workflowSessionProgress" role="progressbar" aria-label="Reading rhythm progress" aria-valuemin="0" aria-valuemax="100" aria-valuenow="0"><i></i></div><section id="workflowCore" class="workflow-core session-stage" data-session-phase="ready" tabindex="-1"><!-- 11DZ_CORE_START:controls-selectors-numeric-stepper --><section class="numeric-stepper-demo"><div><span class="eyebrow">NUMBER STEPPER</span><h2>Reading mode count</h2><p>Buttons, numeric input fields, and keyboard arrow keys share the same numeric boundary.</p></div><div class="stepper-shell"><button id="stepperMinus" type="button" aria-label="Decrease by one">−</button><label><span class="visually-hidden">Quantity</span><input id="stepperInput" type="number" min="1" max="12" value="3" inputmode="numeric"></label><button id="stepperPlus" type="button" aria-label="Increase one" data-core-bridge="controls-selectors-numeric-stepper">＋</button></div><div class="stepper-presets" aria-label="Quick quantity"><button type="button" data-stepper-value="1">1</button><button type="button" data-stepper-value="3">3</button><button type="button" data-stepper-value="6">6</button><button type="button" data-stepper-value="12">12</button></div><output id="stepperTotal">Total 3 items · 9 more can be added</output></section><!-- 11DZ_CORE_END --></section><footer class="session-log"><strong id="workflowSessionScore">0 interaction checkpoints</strong><ol id="workflowSessionLaps" aria-label="Round Log"></ol></footer></div><p id="status" class="status" role="status" aria-live="polite"></p></section></div>
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<script>
'use strict';
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const announce = message => { statusOutput.textContent = message; };
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/* 11DZ_CORE_SCRIPT_END */
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workflowBridgeReset();
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