Lista recolhível de eventos locais
Conclua uma lista de conteúdo em acordeão no cenário de eventos locais: inclui conteúdo real, controles acionáveis, feedback de status claro e layout adaptável a diferentes tamanhos.
É possível editar, executar e salvar este exemplo após ativar JavaScript. O código-fonte fixo é o seguinte:
<!doctype html>
<html lang="pt-BR" dir="ltr">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Lista recolhível de eventos locais</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:"DIN Alternate","Arial Narrow",sans-serif; background:repeating-linear-gradient(135deg,color-mix(in srgb,var(--ink) 5%,transparent) 0 1px,transparent 1px 18px),var(--paper); }
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; } }
.mast{display:flex;justify-content:space-between;border-bottom:6px solid var(--ink);padding-bottom:18px;gap:20px;align-items:flex-end;margin:0 0 22px}.page{width:min(1240px,calc(100% - 28px));margin:auto;padding:34px 0 70px}.scenario{padding:8px 12px;border:2px solid var(--ink);font:900 12px/1 ui-monospace,monospace}.mast h1{font-family:"DIN Condensed","Arial Narrow",sans-serif;font-weight:900;text-transform:uppercase;font-size:clamp(44px,10vw,104px);letter-spacing:-.02em;max-width:1000px;margin:0;line-height:.82}.intro{max-width:720px;font-family:"Arial Narrow",sans-serif;line-height:1.5}.eyebrow{display:inline-block;padding:6px 9px;color:var(--paper);background:var(--accent);font:900 10px/1 ui-monospace,monospace;letter-spacing:.12em}.demo{border-radius:3px;box-shadow:10px 10px 0 var(--accent);position:relative;min-height:400px;overflow:hidden;padding:32px;background:var(--paper)}@media(max-width:700px){.mast{display:grid;grid-template-columns:1fr}.page{width:calc(100% - 16px);padding-top:16px}.demo{padding:14px}}
.panel{padding:24px;border-block:1px solid var(--ink);background:transparent}.stack{display:grid;gap:22px}.row{display:flex;flex-wrap:wrap;gap:16px}.action{padding:8px 0;border:0;border-bottom:1px solid currentColor;background:transparent;letter-spacing:.08em}.action.primary,.action.is-active{color:var(--accent);border-bottom-width:4px}.status{min-height:28px;margin-top:20px;font-style:italic}.metric{font-family:Didot,serif;font-size:clamp(38px,8vw,76px)}.muted{max-width:54ch;line-height:1.8}.meter{position:relative;height:3px;background:var(--line)}.meter>i{position:absolute;inset:0 auto 0 0;background:var(--accent)}.chip{padding-bottom:3px;border-bottom:1px solid var(--ink);font-size:13px}
.composition-studio{display:grid;gap:14px}.studio-ruler{display:flex;justify-content:space-between;padding:0 4px;color:color-mix(in srgb,var(--ink) 55%,transparent);font:700 11px/1 ui-monospace,monospace;letter-spacing:.14em}.studio-ruler::before{content:"01 / WORKING PROTOTYPE"}.studio-ruler::after{content:"360 · 768 · 1440"}.composition-studio .demo::after{content:"";position:absolute;right:18px;bottom:18px;width:24px;height:24px;border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);pointer-events:none}
.accordion-demo{display:grid;gap:18px;max-width:800px;margin:auto}.accordion-demo h2{margin:.3em 0}.accordion-items section{border-top:1px solid var(--line)}.accordion-items h3{margin:0}.accordion-items h3 button{display:flex;width:100%;justify-content:space-between;gap:16px;padding:17px 4px;border:0;text-align:left;background:transparent;font-weight:900}.accordion-items h3 button[aria-expanded="true"] span{transform:rotate(45deg)}.accordion-items section>div{padding:0 4px 18px;line-height:1.8}.accordion-items span{transition:transform .25s ease}.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)}}
</style>
</head>
<body data-aesthetic="industrial" data-composition="studio">
<main class="page">
<header class="mast"><div><span class="eyebrow">industrial / lista de conteúdo recolhível / INTERMEDIATE</span><h1>Lista recolhível de eventos locais</h1><p class="intro">Conclua uma lista de conteúdo em acordeão no cenário de eventos locais: inclui conteúdo real, controles acionáveis, feedback de status claro e layout adaptável a diferentes tamanhos.</p></div><span class="scenario">Eventos locais</span></header>
<div class="composition-studio"><div class="studio-ruler" aria-hidden="true"></div><section class="demo" aria-label="Área de interação da lista de conteúdo em acordeão de eventos locais"><div class="workflow-compare"><form id="workflowCompareControls" class="compare-controls"><fieldset><legend>Canal de comparação</legend><label><input type="radio" name="workflowChannel" value="A" checked>A · Atividade entre pais e filhos</label><label><input type="radio" name="workflowChannel" value="B">B · Atividades ao ar livre</label></fieldset><label>peso da distância de deslocamento<input id="workflowCompareWeight" type="range" min="10" max="90" value="50"><output id="workflowCompareWeightValue">50 km</output></label><label><input id="workflowCompareFreeze" type="checkbox">Congelar a versão atual</label><button id="workflowCompareCapture" class="action primary" type="button">Selecionar amostras e salvar eventos</button><ol id="workflowCompareShelf" aria-label="Versão de amostra de registro"></ol></form><section class="compare-stage"><header><span class="eyebrow">Eventos locais COMPARE</span><h2>Comparação em duas versões de atividades</h2><output id="workflowCompareLive">Versão A aguardando amostragem</output></header><section id="workflowCore" class="workflow-core compare-core" data-compare-channel="A" style="--compare-split:50%"><!-- 11DZ_CORE_START:cards-lists-content-accordion-list --><div class="accordion-demo panel"><span class="eyebrow">ACCORDION LIST</span><h2>Lista recolhível de atividades locais</h2><div class="accordion-items"><section><h3><button id="accordionButton0" type="button" aria-expanded="true" aria-controls="accordionPanel0" data-core-bridge="cards-lists-content-accordion-list">Inspiração para atividades locais<span aria-hidden="true">+</span></button></h3><div id="accordionPanel0" role="region" aria-labelledby="accordionButton0"><p>Aqui estão as instruções detalhadas, observações e ações seguintes para as inspirações de eventos locais.</p></div></section><section><h3><button id="accordionButton1" type="button" aria-expanded="false" aria-controls="accordionPanel1">Registros de eventos locais<span aria-hidden="true">+</span></button></h3><div id="accordionPanel1" role="region" aria-labelledby="accordionButton1" hidden><p>Aqui há uma descrição detalhada dos registros de eventos locais, observações e ações seguintes.</p></div></section><section><h3><button id="accordionButton2" type="button" aria-expanded="false" aria-controls="accordionPanel2">Colaboração em eventos locais<span aria-hidden="true">+</span></button></h3><div id="accordionPanel2" role="region" aria-labelledby="accordionButton2" hidden><p>Aqui estão as instruções detalhadas, os pontos de atenção e as próximas ações para a colaboração em atividades locais.</p></div></section><section><h3><button id="accordionButton3" type="button" aria-expanded="false" aria-controls="accordionPanel3">Progresso de atividades locais<span aria-hidden="true">+</span></button></h3><div id="accordionPanel3" role="region" aria-labelledby="accordionButton3" hidden><p>Esta seção contém uma explicação detalhada do progresso das atividades locais, observações importantes e as próximas ações.</p></div></section><section><h3><button id="accordionButton4" type="button" aria-expanded="false" aria-controls="accordionPanel4">Lembretes de eventos locais<span aria-hidden="true">+</span></button></h3><div id="accordionPanel4" role="region" aria-labelledby="accordionButton4" hidden><p>Aqui há uma descrição detalhada, observações e a próxima ação para o lembrete de eventos locais.</p></div></section></div></div><!-- 11DZ_CORE_END --></section></section></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:cards-lists-content-accordion-list */
const accordionButtons=[...document.querySelectorAll('.accordion-items h3 button')];accordionButtons.forEach(button=>button.addEventListener('click',()=>{const open=button.getAttribute('aria-expanded')!=='true';accordionButtons.forEach(item=>{const active=item===button&&open;item.setAttribute('aria-expanded',String(active));document.querySelector('#'+item.getAttribute('aria-controls')).hidden=!active;});announce(open?'Expandido '+button.textContent.trim():'Conteúdo recolhido');}));
/* 11DZ_CORE_SCRIPT_END */
const workflowBridgeSpec={"name":"cards-lists-content-accordion-list","selector":"[data-core-bridge=\"cards-lists-content-accordion-list\"]","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+' · versão principal '+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+' quilômetros';document.querySelector('#workflowCompareLive').textContent=workflowCompareState.channel+' Versão · '+workflowCompareState.weight+' quilômetros'+(workflowCompareState.frozen?' · Congelado':'');announce('Comparação de atividades em visualização '+workflowCompareState.channel+' Versão');}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+' km · '+snapshot.bridge+'</small>';document.querySelector('#workflowCompareShelf').prepend(item);announce('amostrado '+snapshot.channel+' Versão e favoritar atividades · '+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('Amostra do botão'));workflowCompareCore.addEventListener('dblclick',()=>workflowCompareCapture('Vista principal com duplo clique'));workflowCompareDrive();
workflowBridgeReset();
</script>
</body>
</html>