Floating layers and status feedback

Check-in desk status banner

Complete a status banner in a check-in desk scenario: includes realistic content, actionable controls, clear status feedback, and responsive layout across sizes.

Floating layers and status feedbackStatus BannerHTMLCSSJavaScript
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  <title>Check-in desk status banner</title>
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<body data-aesthetic="dark-neon" data-composition="studio">
  <main class="page">
    <header class="mast"><div><span class="eyebrow">dark-neon / Status Banner / INTERMEDIATE</span><h1>Check-in desk status banner</h1><p class="intro">Complete a status banner in a check-in desk scenario: includes realistic content, actionable controls, clear status feedback, and responsive layout across sizes.</p></div><span class="scenario">Check-in Desk</span></header>
    <div class="composition-studio"><div class="studio-ruler" aria-hidden="true"></div><section class="demo" aria-label="Check-in Desk Status Banner Interaction Area"><div class="workflow-session"><header class="session-command"><div><span class="eyebrow">Check-in Desk SESSION</span><h2>Check-in Desk Timer Desk</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 processing</button></header><div id="workflowSessionProgress" role="progressbar" aria-label="Check-in Desk 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:overlays-feedback-alert-banner --><section class="alert-banner-studio"><header><div><span class="eyebrow">ALERT BANNER</span><h2>Check-in Desk State Orchestration Board</h2><p>Different banners enter the top timeline and sync to the on-duty summary on the right.</p></div><button id="bannerClearLog" class="action" type="button" data-core-bridge="overlays-feedback-alert-banner">Clear Records</button></header><div class="banner-tone-grid" role="group" aria-label="Banner Tone"><button type="button" data-banner-tone="info">General Reminder</button><button type="button" data-banner-tone="success">Completed status</button><button type="button" data-banner-tone="warning">Risk Alert</button></div><div id="statusBanner" class="status-banner" data-tone="info" role="status"><span id="bannerSymbol" aria-hidden="true">i</span><div><strong id="bannerTitle">Check-in Desk Collaboration</strong><p id="bannerMessage">The current check-in item is still awaiting confirmation and won’t interrupt your workflow.</p></div><button id="bannerDismiss" type="button" aria-label="Banner in closed state">×</button></div><div class="banner-audit"><ol id="bannerLog"><li>No banner event recorded yet</li></ol><aside><strong id="bannerAuditCount">0 alerts</strong><p id="bannerAuditLatest">Waiting for a new banner event.</p></aside></div><button id="bannerRestore" class="action" type="button" hidden>Show banner again</button></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>
  </main>
  <script>
    'use strict';
    const statusOutput = document.querySelector('#status');
    const announce = message => { statusOutput.textContent = message; };
    /* 11DZ_CORE_SCRIPT_START:overlays-feedback-alert-banner */
const statusBanner=document.querySelector('#statusBanner');const bannerRestore=document.querySelector('#bannerRestore');const bannerLog=document.querySelector('#bannerLog');const bannerContent={info:['i','Check-in Desk Collaboration','The current check-in item is still awaiting confirmation and won’t interrupt your workflow.'],success:['✓','Check-in Desk Progress','This round of handoff has been completed, and the next step can continue to be arranged.'],warning:['!','Check-in Desk Reminder','Key information is still missing. Please return to the check-in desk to confirm first.']};function appendBannerLog(tone,label){const items=[...bannerLog.querySelectorAll('li')].filter(item=>item.textContent!=='No banner event recorded yet');const item=document.createElement('li');item.textContent=label+' · '+(tone==='warning'?'Prioritize':tone==='success'?'Completed':'Continue observing');bannerLog.prepend(item);items.unshift(item);if(items.length>4)items.slice(4).forEach(entry=>entry.remove());document.querySelector('#bannerAuditCount').textContent=items.length+' reminders';document.querySelector('#bannerAuditLatest').textContent='Recent events:'+item.textContent;}document.querySelectorAll('[data-banner-tone]').forEach(button=>button.addEventListener('click',()=>{const tone=button.dataset.bannerTone;const content=bannerContent[tone];statusBanner.dataset.tone=tone;document.querySelector('#bannerSymbol').textContent=content[0];document.querySelector('#bannerTitle').textContent=content[1];document.querySelector('#bannerMessage').textContent=content[2];statusBanner.hidden=false;bannerRestore.hidden=true;appendBannerLog(tone,button.textContent);announce('Shown'+button.textContent);}));document.querySelector('#bannerDismiss').addEventListener('click',()=>{statusBanner.hidden=true;bannerRestore.hidden=false;bannerRestore.focus();document.querySelector('#bannerAuditLatest').textContent='Recent event: banner manually closed';announce('Status banner dismissed');});bannerRestore.addEventListener('click',()=>{statusBanner.hidden=false;bannerRestore.hidden=true;document.querySelector('#bannerDismiss').focus();announce('Status Banner Restored');});document.querySelector('#bannerClearLog').addEventListener('click',()=>{bannerLog.replaceChildren(Object.assign(document.createElement('li'),{textContent:'No banner event recorded yet'}));document.querySelector('#bannerAuditCount').textContent='0 alerts';document.querySelector('#bannerAuditLatest').textContent='Waiting for a new banner event.';announce('Banner record cleared');});
/* 11DZ_CORE_SCRIPT_END */
const workflowBridgeSpec={"name":"overlays-feedback-alert-banner","selector":"[data-core-bridge=\"overlays-feedback-alert-banner\"]","mode":"click","key":"Enter"};const workflowBridgeCore=document.querySelector('#workflowCore');const workflowBridgeControl=workflowBridgeCore.querySelector(workflowBridgeSpec.selector);if(!workflowBridgeControl)throw new Error('Missing core bridge: '+workflowBridgeSpec.name);const workflowBridgeControlledId=workflowBridgeControl.getAttribute('aria-controls');const workflowBridgeControlled=workflowBridgeControlledId?document.getElementById(workflowBridgeControlledId):null;workflowBridgeCore.dataset.workflowBridge=workflowBridgeSpec.name;workflowBridgeCore.dataset.workflowVersion='0';function workflowBridgeSerialize(){const visualNode=workflowBridgeCore.firstElementChild||workflowBridgeCore;const visual=getComputedStyle(visualNode);const outputs=[...workflowBridgeCore.querySelectorAll('output,[role="status"],[aria-live],meter,progress')].map(node=>node.textContent.trim()+'|'+node.getAttribute('aria-valuenow')+'|'+node.getAttribute('value'));const canvas=[...workflowBridgeCore.querySelectorAll('canvas')].map(node=>{try{return node.toDataURL().slice(-160);}catch{return 'canvas-unavailable';}});return JSON.stringify({html:workflowBridgeCore.innerHTML,status:statusOutput.textContent,outputs,canvas,visual:[visual.display,visual.visibility,visual.opacity,visual.transform,visual.filter,visual.backgroundColor,visual.width,visual.height],scroll:workflowBridgeSpec.mode==='scroll'?workflowBridgeControl.scrollTop:null});}let workflowBridgeLastEffect=workflowBridgeSerialize();function workflowBridgeSummary(){const label=(workflowBridgeControl.getAttribute('aria-label')||workflowBridgeControl.textContent||workflowBridgeControl.value||workflowBridgeSpec.name).trim().replace(/\s+/g,' ').slice(0,72);return label+' · Core Version '+workflowBridgeCore.dataset.workflowVersion;}function workflowBridgeCommit(){const effect=workflowBridgeSerialize();if(effect===workflowBridgeLastEffect)return {changed:false,summary:workflowBridgeSummary()};workflowBridgeLastEffect=effect;workflowBridgeCore.dataset.workflowVersion=String(Number(workflowBridgeCore.dataset.workflowVersion||0)+1);return {changed:true,summary:workflowBridgeSummary()};}function workflowBridgeScheduleCommit(){queueMicrotask(workflowBridgeCommit);setTimeout(workflowBridgeCommit,0);}workflowBridgeControl.addEventListener("click",workflowBridgeScheduleCommit);const workflowBridgeStateTargets=new Set(workflowBridgeCore.querySelectorAll('dialog'));if(workflowBridgeControlled&&workflowBridgeCore.contains(workflowBridgeControlled))workflowBridgeStateTargets.add(workflowBridgeControlled);workflowBridgeStateTargets.forEach(target=>['close','cancel','toggle'].forEach(eventName=>target.addEventListener(eventName,workflowBridgeScheduleCommit)));function workflowBridgeActivate(){workflowBridgeControl.focus();workflowBridgeControl.click();const result=workflowBridgeCommit();setTimeout(workflowBridgeCommit,0);return result;}function workflowBridgeReset(){workflowBridgeCore.dataset.workflowVersion='0';workflowBridgeLastEffect=workflowBridgeSerialize();}
const workflowSessionCore=document.querySelector('#workflowCore');const workflowSessionToggle=document.querySelector('#workflowSessionToggle');const workflowSessionLength=document.querySelector('#workflowSessionLength');const workflowSessionState={phase:'ready',elapsed:0,limit:Number(workflowSessionLength.value),checkpoints:[],timer:null};function workflowSessionFormat(seconds){return String(Math.floor(seconds/60)).padStart(2,'0')+':'+String(seconds%60).padStart(2,'0');}function workflowSessionDrive(){const percent=Math.min(100,Math.round(workflowSessionState.elapsed/workflowSessionState.limit*100));document.querySelector('#workflowSessionClock').textContent=workflowSessionFormat(Math.max(0,workflowSessionState.limit-workflowSessionState.elapsed));const progress=document.querySelector('#workflowSessionProgress');progress.setAttribute('aria-valuenow',String(percent));progress.querySelector('i').style.width=percent+'%';workflowSessionCore.dataset.sessionPhase=workflowSessionState.phase;document.querySelector('#workflowSessionScore').textContent=workflowSessionState.checkpoints.length+' interactive checkpoints';}function workflowSessionLap(label){workflowSessionState.checkpoints.push({label,at:workflowSessionState.elapsed});const item=document.createElement('li');item.textContent=label+' · '+workflowSessionFormat(workflowSessionState.elapsed);document.querySelector('#workflowSessionLaps').append(item);workflowSessionDrive();}function workflowSessionStop(complete=false){clearInterval(workflowSessionState.timer);workflowSessionState.timer=null;workflowSessionState.phase=complete?'complete':'paused';workflowSessionToggle.textContent=complete?'Restart':'Continue round';workflowSessionToggle.setAttribute('aria-pressed','false');workflowSessionDrive();announce(complete?'Check-in Desk Round Complete':'Round paused');}function workflowSessionStart(){if(workflowSessionState.phase==='complete'){workflowSessionState.elapsed=0;workflowSessionState.checkpoints=[];document.querySelector('#workflowSessionLaps').replaceChildren();}workflowSessionState.phase='running';workflowSessionToggle.textContent='Pause round';workflowSessionToggle.setAttribute('aria-pressed','true');const bridge=workflowBridgeActivate();workflowSessionLap(bridge.summary);clearInterval(workflowSessionState.timer);workflowSessionState.timer=setInterval(()=>{workflowSessionState.elapsed+=1;if(workflowSessionState.elapsed>=workflowSessionState.limit){workflowSessionStop(true);return;}workflowSessionDrive();},1000);workflowSessionDrive();announce('Check-in desk round has started · '+bridge.summary);}workflowSessionToggle.addEventListener('click',()=>workflowSessionState.phase==='running'?workflowSessionStop():workflowSessionStart());workflowSessionLength.addEventListener('input',()=>{workflowSessionState.limit=Number(workflowSessionLength.value);workflowSessionState.elapsed=Math.min(workflowSessionState.elapsed,workflowSessionState.limit);workflowSessionDrive();});workflowSessionCore.addEventListener('keydown',event=>{if(event.key==='Enter'||event.key===' '){workflowSessionLap('Keyboard Interaction');}});workflowSessionCore.addEventListener('click',event=>{if(event.target.closest('[data-core-bridge]'))workflowSessionLap('Core action · '+workflowBridgeSummary());});document.addEventListener('visibilitychange',()=>{if(document.hidden&&workflowSessionState.phase==='running')workflowSessionStop();});workflowSessionDrive();
workflowBridgeReset();
  </script>
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