Launch countdown page for Makers Open Day
Complete a launch countdown page for an open house scenario in a creative environment: include real content, actionable controls, clear status feedback, and responsive layout across sizes.
With JavaScript enabled, you can edit, run, and save this example. The fixed source is as follows:
<!doctype html>
<html lang="en" dir="ltr">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Launch countdown page for Makers Open Day</title>
<style>
:root { --ink:#102c44; --paper:#eef6f8; --accent:#e05263; --secondary:#79b7c7; --line:color-mix(in srgb, var(--ink) 18%, transparent); --shadow:0 24px 60px color-mix(in srgb, var(--ink) 16%, transparent); color-scheme:light; }
* { box-sizing:border-box; }
html { min-width:320px; background:var(--paper); }
body { min-height:100vh; margin:0; overflow-x:hidden; color:var(--ink); font-family:Didot,"Songti SC",serif; background:linear-gradient(30deg,transparent 48%,color-mix(in srgb,var(--accent) 9%,transparent) 49% 51%,transparent 52%),var(--paper);background-size:52px 90px; }
button,input,select,textarea { color:inherit; font:inherit; }
button,[role="button"],input,select,textarea { accent-color:var(--accent); }
button { cursor:pointer; }
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible { outline:3px solid var(--accent); outline-offset:3px; }
[hidden] { display:none !important; }
@media (max-width:700px) { .mast h1 { line-height:1.08 !important; letter-spacing:-.035em !important; overflow-wrap:anywhere; } }
@media (prefers-reduced-motion:reduce) { *,*::before,*::after { scroll-behavior:auto !important; animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; } }
.page{width:min(1040px,calc(100% - 36px));margin:auto;padding:64px 0}.mast{display:grid;justify-items:center;text-align:center;border-block:3px double var(--accent);padding:26px;gap:20px;margin-bottom:32px}.mast h1{font-family:Didot,"Songti SC",serif;font-weight:700;font-size:clamp(38px,8vw,86px);letter-spacing:.035em;margin:0;line-height:1}.eyebrow{display:block;color:var(--accent);font:800 11px/1 ui-monospace,monospace;letter-spacing:.3em}.intro{max-width:600px;margin-inline:auto;line-height:1.8}.scenario{padding:8px 26px;border-inline:1px solid var(--accent);letter-spacing:.16em}.demo{border:4px double var(--accent);border-radius:0;clip-path:polygon(24px 0,calc(100% - 24px) 0,100% 24px,100% calc(100% - 24px),calc(100% - 24px) 100%,24px 100%,0 calc(100% - 24px),0 24px);position:relative;min-height:440px;overflow:hidden;padding:clamp(28px,5vw,60px);background:var(--paper)}@media(max-width:700px){.page{width:calc(100% - 20px);padding:24px 0}.mast{padding:18px}.demo{padding:18px}}
.panel{padding:30px;border:0;border-radius:42px 12px;background:color-mix(in srgb,var(--secondary) 18%,var(--paper))}.row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}.stack{display:flex;flex-direction:column;gap:20px}.action{min-height:48px;padding:12px 22px;border:0;border-radius:50% 50% 18px 18px;background:color-mix(in srgb,var(--secondary) 42%,transparent);font-weight:800}.action.primary,.action.is-active{color:var(--paper);background:var(--accent)}.muted{color:color-mix(in srgb,var(--ink) 64%,transparent);line-height:1.7}.status{min-height:25px;margin-top:16px;color:var(--accent)}.metric{font-size:clamp(32px,7vw,66px);font-weight:800}.meter{height:11px;border-radius:50%;background:color-mix(in srgb,var(--ink) 10%,transparent)}.meter>i{display:block;height:100%;border-radius:inherit;background:var(--accent)}.chip{padding:8px 12px;border-radius:50%;background:var(--paper)}
.composition-deck{display:grid;grid-template-rows:auto 1fr;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:color-mix(in srgb,var(--ink) 4%,var(--paper))}.deck-bar{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:12px 18px;color:var(--paper);background:var(--ink);font:700 12px/1 ui-monospace,monospace}.deck-lights{display:flex;gap:7px}.deck-lights i{width:10px;height:10px;border-radius:50%;background:var(--accent)}.deck-lights i:nth-child(2){background:var(--secondary)}.deck-lights i:nth-child(3){background:color-mix(in srgb,var(--paper) 55%,transparent)}.composition-deck .demo{border:0;border-radius:0;box-shadow:none}
.countdown-launch{display:grid;grid-template-columns:minmax(240px,.8fr) minmax(360px,1.2fr);min-height:360px;overflow:hidden;border:1px solid var(--line);border-radius:30px;background:var(--ink);color:var(--paper)}.countdown-launch>section{display:grid;align-content:center;gap:16px;padding:clamp(28px,6vw,66px)}.countdown-launch h2{margin:0;font-size:clamp(34px,6vw,70px);line-height:.96}.countdown-launch p{max-width:42ch;line-height:1.7}.countdown-units{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:color-mix(in srgb,var(--paper) 16%,transparent)}.countdown-units span{display:grid;place-content:center;text-align:center;background:color-mix(in srgb,var(--ink) 92%,var(--accent))}.countdown-units strong{font:900 clamp(44px,9vw,94px)/1 ui-monospace,monospace}.countdown-units small{margin-top:8px;letter-spacing:.3em}.countdown-launch .action{justify-self:start;color:var(--paper);border-color:var(--paper)}@media(max-width:760px){.countdown-launch{grid-template-columns:1fr}.countdown-units{min-height:260px}}.workflow-compare{display:grid;grid-template-columns:minmax(230px,.55fr) minmax(0,1.45fr);gap:18px}.compare-stage{display:grid;gap:12px;min-width:0}.compare-stage>header{display:flex;justify-content:space-between;gap:16px;align-items:end}.compare-stage h2{margin:.2em 0}.compare-core{--compare-split:50%;min-width:0;padding:14px;clip-path:inset(0 calc(100% - var(--compare-split)) 0 0);outline:1px dashed var(--accent);outline-offset:-8px;transition:clip-path .25s,filter .25s}.compare-core[data-compare-channel="B"]{filter:hue-rotate(32deg) saturate(1.15)}.compare-controls{display:grid;align-content:start;gap:16px;padding:20px;border:1px solid var(--line);border-radius:24px 4px 24px 4px;background:var(--paper)}.compare-controls fieldset,.compare-controls>label{display:grid;gap:8px}.compare-controls input[type="range"]{width:100%}#workflowCompareShelf{display:grid;gap:6px;padding:0;margin:0;list-style:none}#workflowCompareShelf li{display:grid;grid-template-columns:auto 1fr auto;gap:8px;padding:9px;border-top:1px solid var(--line);font-size:12px}@media(max-width:900px){.workflow-compare{grid-template-columns:1fr}.compare-stage{order:-1}.compare-core{clip-path:none;border-left:8px solid var(--accent)}}.similarity-shell{--similarity-density:100;display:grid;gap:18px;padding:clamp(18px,4vw,28px);border:1px solid var(--line);border-radius:28px;background:color-mix(in srgb,var(--paper) 88%,transparent);box-shadow:var(--shadow)}.similarity-head{display:flex;justify-content:space-between;gap:18px;align-items:end}.similarity-head h2{margin:.2em 0}.similarity-head output{padding:10px 14px;border-left:4px solid var(--accent);font-weight:900}.similarity-layout{display:grid;grid-template-columns:minmax(220px,.58fr) minmax(0,1.42fr);gap:16px}.similarity-console{display:grid;align-content:start;gap:16px;padding:18px;border:1px solid var(--line);border-radius:20px;background:color-mix(in srgb,var(--secondary) 10%,var(--paper))}.similarity-modes{display:grid;gap:8px;padding:0;border:0}.similarity-console label{display:grid;gap:8px}.similarity-console input[type="range"]{width:100%}.similarity-pin{display:flex;gap:10px;align-items:center}.similarity-checklist,.similarity-log{display:grid;gap:8px;padding-left:18px;margin:0}.similarity-checklist li.is-done{color:var(--accent);font-weight:900}.similarity-stage{display:grid;gap:14px;min-width:0}.similarity-deck{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.similarity-deck article{display:grid;gap:6px;padding:14px;border:1px solid var(--line);border-radius:16px;background:var(--paper);transition:transform .2s ease,box-shadow .2s ease,background .2s ease}.similarity-deck article[data-active="true"]{transform:translateY(-4px);box-shadow:0 14px 28px color-mix(in srgb,var(--accent) 16%,transparent);background:color-mix(in srgb,var(--secondary) 14%,var(--paper))}.similarity-deck span{font:800 11px/1 ui-monospace,monospace;letter-spacing:.16em}.similarity-core-shell{min-width:0;padding:clamp(14px,3vw,22px);overflow:auto;border:1px dashed var(--line);border-radius:22px;background:linear-gradient(180deg,color-mix(in srgb,var(--secondary) 8%,transparent),transparent 80%)}.similarity-core-shell>*{display:block;width:calc(10000%/var(--similarity-density));max-width:none;transform:scale(calc(var(--similarity-density)/100));transform-origin:top center}.similarity-shell[data-review-state="compare"] .similarity-core-shell{border-style:solid;box-shadow:inset 0 0 0 3px color-mix(in srgb,var(--accent) 18%,transparent)}.similarity-shell[data-review-state="compare"] .similarity-deck article{opacity:.72}.similarity-shell[data-review-state="compare"] .similarity-deck article[data-active="true"]{opacity:1}.similarity-shell[data-review-state="audit"] .similarity-console{color:var(--paper);background:var(--ink)}.similarity-shell[data-review-state="audit"] .similarity-console .action{color:var(--paper);border-color:var(--paper)}.similarity-shell[data-review-state="audit"] .similarity-log li{border-left:3px solid var(--secondary);padding-left:8px}.similarity-shell[data-pinned="true"] .similarity-core-shell{outline:4px solid color-mix(in srgb,var(--accent) 35%,transparent);outline-offset:2px}@media(max-width:920px){.similarity-layout{grid-template-columns:1fr}.similarity-deck{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.similarity-head{align-items:stretch;flex-direction:column}.similarity-deck{grid-template-columns:1fr}.similarity-core-shell>*{width:100%;transform:none}}
</style>
</head>
<body data-aesthetic="art-deco" data-composition="control-deck">
<main class="page">
<header class="mast"><div><span class="eyebrow">art-deco / Launch Countdown Page / BEGINNER</span><h1>Launch countdown page for Makers Open Day</h1><p class="intro">Complete a launch countdown page for an open house scenario in a creative environment: include real content, actionable controls, clear status feedback, and responsive layout across sizes.</p></div><span class="scenario">Creative Open Day</span></header>
<div class="composition-deck"><div class="deck-bar"><span>CONTROL DECK · 04</span><span>Launch countdown page</span><span class="deck-lights" aria-hidden="true"><i></i><i></i><i></i></span></div><section class="demo" aria-label="Interactive area for the launch countdown page of Creative Open Day"><div id="similarityShell" class="similarity-shell" data-review-state="focus"><header class="similarity-head"><div><span class="eyebrow">Creative Open Day / REVIEW STUDIO</span><h2>Launch countdown page review workbench</h2><p>Place the main case inside a separate review shell, and additionally record the observation mode, checkpoints, and current conclusion.</p></div><output id="similarityState">Ready to start review</output></header><div class="similarity-layout"><aside class="similarity-console"><fieldset class="similarity-modes"><legend>Review perspective</legend><button class="action primary" type="button" data-review-view="focus">Focus on the main view</button><button class="action" type="button" data-review-view="compare">Checklist</button><button class="action" type="button" data-review-view="audit">Record on Site</button></fieldset><label>Observation Density<input id="similarityDensity" type="range" min="84" max="124" value="100"><output id="similarityDensityValue">100%</output></label><label class="similarity-pin"><input id="similarityPin" type="checkbox"> Pin current checkpoint</label><ol id="similarityChecklist" class="similarity-checklist"><li>Creative Open Day Inspiration</li><li>Creative Open Day Notes</li><li>Creative Open Day Collaboration</li><li>Creative Open Day Progress</li></ol><button id="similarityCapture" class="action primary" type="button">Checkpoint Records</button><ol id="similarityLog" class="similarity-log"><li>Waiting for the first check record</li></ol></aside><section class="similarity-stage"><div id="similarityDeck" class="similarity-deck"><article data-active="true"><span>01</span><strong>Creative Open Day Inspiration</strong><p>Check whether the status change is visible</p></article><article><span>02</span><strong>Creative Open Day Notes</strong><p>Confirm keyboard and click entry points are consistent</p></article><article><span>03</span><strong>Creative Open Day Collaboration</strong><p>Check whether the layout falls back on narrow screens</p></article><article><span>04</span><strong>Creative Open Day Progress</strong><p>Record current review conclusion</p></article></div><div id="similarityCoreShell" class="similarity-core-shell"><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 · Introduction to Makers Open Day Highlights</label><label><input type="radio" name="workflowChannel" value="B">B · Evidence supplement for Creative Open Day</label></fieldset><label>Target audience weight<input id="workflowCompareWeight" type="range" min="10" max="90" value="50"><output id="workflowCompareWeightValue">50 Person</output></label><label><input id="workflowCompareFreeze" type="checkbox">Freeze current version</label><button id="workflowCompareCapture" class="action primary" type="button">Sample and save the page</button><ol id="workflowCompareShelf" aria-label="Version Sampling Record"></ol></form><section class="compare-stage"><header><span class="eyebrow">Creative Open Day COMPARE</span><h2>Creative Open Day 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:marketing-content-pages-launch-countdown --><div class="countdown-launch"><section><span class="eyebrow">LOCAL LAUNCH CLOCK</span><h2>Creator Open Day Coming Soon</h2><p>The countdown is calculated entirely using the browser’s local time and does not request server time.</p><button id="restartCountdown" class="action primary" type="button" data-core-bridge="marketing-content-pages-launch-countdown">Reset to 72 Hours</button></section><div class="countdown-units" role="timer" aria-live="off"><span><strong id="countDays">03</strong><small>Day</small></span><span><strong id="countHours">00</strong><small>Time</small></span><span><strong id="countMinutes">00</strong><small>minutes</small></span><span><strong id="countSeconds">00</strong><small>sec</small></span></div></div><!-- 11DZ_CORE_END --></section></section></div></div></section></div></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:marketing-content-pages-launch-countdown */
let launchAt=Date.now()+72*60*60*1000;const countdownParts={days:document.querySelector('#countDays'),hours:document.querySelector('#countHours'),minutes:document.querySelector('#countMinutes'),seconds:document.querySelector('#countSeconds')};function renderCountdown(){const left=Math.max(0,launchAt-Date.now());const totalSeconds=Math.floor(left/1000);const values={days:Math.floor(totalSeconds/86400),hours:Math.floor(totalSeconds%86400/3600),minutes:Math.floor(totalSeconds%3600/60),seconds:totalSeconds%60};Object.entries(values).forEach(([key,value])=>{countdownParts[key].textContent=String(value).padStart(2,'0');});if(!left)announce('Creative Open Day is now open');}document.querySelector('#restartCountdown').addEventListener('click',()=>{launchAt=Date.now()+72*60*60*1000;renderCountdown();announce('Countdown reset to 72 hours');});renderCountdown();setInterval(renderCountdown,1000);
/* 11DZ_CORE_SCRIPT_END */
const workflowBridgeSpec={"name":"marketing-content-pages-launch-countdown","selector":"[data-core-bridge=\"marketing-content-pages-launch-countdown\"]","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 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+' person';document.querySelector('#workflowCompareLive').textContent=workflowCompareState.channel+' Version · '+workflowCompareState.weight+' person'+(workflowCompareState.frozen?' · Frozen':'');announce('Open Day 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+' person · '+snapshot.bridge+'</small>';document.querySelector('#workflowCompareShelf').prepend(item);announce('sampled '+snapshot.channel+' Save page with version · '+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();
const similarityShell=document.querySelector('#similarityShell');const similarityState=document.querySelector('#similarityState');const similarityDensity=document.querySelector('#similarityDensity');const similarityDensityValue=document.querySelector('#similarityDensityValue');const similarityPin=document.querySelector('#similarityPin');const similarityChecklistItems=[...document.querySelectorAll('#similarityChecklist li')];const similarityDeckItems=[...document.querySelectorAll('#similarityDeck article')];const similarityLog=document.querySelector('#similarityLog');const similarityNotes=["Creative Open Day Inspiration","Creative Open Day Notes","Creative Open Day Collaboration","Creative Open Day Progress"];const similarityCore=document.querySelector('#workflowCore');let similarityCaptures=0;function similaritySetActive(index){similarityDeckItems.forEach((item,itemIndex)=>{if(itemIndex===index)item.setAttribute('data-active','true');else item.removeAttribute('data-active');});}function similarityRender(reason){const version=similarityCore?.dataset.workflowVersion||'0';const density=Number(similarityDensity.value);similarityShell.style.setProperty('--similarity-density',String(density));similarityShell.dataset.pinned=String(similarityPin.checked);similarityDensityValue.textContent=density+'%';similarityChecklistItems.forEach((item,index)=>item.classList.toggle('is-done',index<similarityCaptures));similaritySetActive(Math.min(similarityDeckItems.length-1,similarityCaptures%similarityDeckItems.length));similarityState.textContent=reason+' · Core Version '+version+(similarityPin.checked?' · Fixed':'');}document.querySelectorAll('[data-review-view]').forEach(button=>button.addEventListener('click',()=>{document.querySelectorAll('[data-review-view]').forEach(item=>item.classList.toggle('primary',item===button));similarityShell.dataset.reviewState=button.dataset.reviewView;similarityRender('Switched to'+button.textContent);announce('Review view:'+button.textContent);}));similarityDensity.addEventListener('input',()=>{similarityRender('Observation density has been updated');announce('Observation Density '+similarityDensity.value+'%');});similarityPin.addEventListener('change',()=>{similarityRender(similarityPin.checked?'Current checkpoint is fixed':'Current checkpoint unlocked');announce(similarityPin.checked?'Pinned current checkpoint':'Checkpoint Unpinned');});document.querySelector('#similarityCapture').addEventListener('click',()=>{const note=similarityNotes[similarityCaptures%similarityNotes.length];const version=similarityCore?.dataset.workflowVersion||'0';similarityCaptures+=1;const item=document.createElement('li');item.textContent='Checkpoint '+similarityCaptures+' · '+note+' · Core Version '+version;const empty=similarityLog.querySelector('li')?.textContent==='Waiting for the first check record';if(empty)similarityLog.replaceChildren(item);else similarityLog.prepend(item);while(similarityLog.children.length>6)similarityLog.lastElementChild.remove();similarityRender('Checkpoint recorded '+similarityCaptures);announce('Checkpoint recorded '+similarityCaptures+' · '+note);});similarityCore?.addEventListener('focusin',()=>similarityRender('Main view focused'));similarityCore?.addEventListener('click',()=>similarityRender('Main view interaction occurred'));similarityRender('Ready to start review');
</script>
</body>
</html>