Matriz de alternância de preferências do estúdio de música
Finalize a matriz de alternâncias de preferência no cenário de estúdio de música: inclui conteúdo real, controles operáveis, feedback de estado claro e layout responsivo em vários 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>Matriz de alternância de preferências do estúdio de música</title>
<style>
:root { --ink:#ecf7f3; --paper:#071310; --accent:#8b6fb0; --secondary:#d7a971; --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:ui-monospace,"SFMono-Regular",Consolas,monospace; background:linear-gradient(color-mix(in srgb,var(--secondary) 5%,transparent) 1px,transparent 1px),linear-gradient(90deg,color-mix(in srgb,var(--secondary) 5%,transparent) 1px,transparent 1px),var(--paper);background-size:24px 24px; }
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(1080px,calc(100% - 30px));margin:auto;padding:48px 0}.eyebrow{color:var(--secondary);font:700 12px/1.3 ui-monospace,monospace}.eyebrow::before{content:"> ";color:var(--accent)}.mast{display:grid;grid-template-columns:1fr auto;border:1px solid var(--secondary);padding:18px;gap:24px;align-items:center;margin-bottom:16px}.mast h1{font-family:ui-monospace,"SFMono-Regular",monospace;font-weight:700;font-size:clamp(34px,7vw,72px);letter-spacing:-.055em;margin:12px 0;line-height:1.05}.intro{margin:0;color:color-mix(in srgb,var(--ink) 72%,transparent);font:400 14px/1.7 ui-monospace,monospace}.scenario{padding:7px 10px;border:1px dashed var(--secondary);font:700 11px/1 ui-monospace,monospace}.demo{border-color:var(--secondary);border-radius:8px;box-shadow:0 0 50px color-mix(in srgb,var(--secondary) 15%,transparent);position:relative;min-height:390px;padding:26px;background:color-mix(in srgb,var(--paper) 94%,#000)}@media(max-width:700px){.page{width:calc(100% - 18px);padding:20px 0}.mast{grid-template-columns:1fr}.demo{padding:14px}}
.stack{display:flex;flex-direction:column;gap:18px}.panel{padding:28px;border-left:7px solid var(--accent);background:color-mix(in srgb,var(--secondary) 12%,var(--paper))}.action{min-height:46px;padding:11px 18px;border:0;border-bottom:3px solid var(--ink);background:transparent;font-weight:900}.action.primary,.action.is-active{color:var(--paper);background:var(--ink)}.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:8px}.metric{font:900 clamp(32px,7vw,64px)/1 ui-monospace,monospace}.status{min-height:22px;padding-top:12px;border-top:1px dashed var(--line)}.muted{color:color-mix(in srgb,var(--ink) 62%,transparent)}.chip{display:inline-block;padding:5px 8px;background:var(--secondary)}.meter{height:12px;border:1px solid var(--ink)}.meter>i{display:block;height:100%;background:var(--ink)}
.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}
.toggle-matrix-demo{display:grid;gap:18px}.toggle-matrix-demo header{max-width:650px}.toggle-matrix-demo h2{margin:.2em 0}.matrix-scroll{overflow:auto;border:1px solid var(--line);border-radius:18px;background:var(--paper)}.toggle-matrix-demo table{width:100%;min-width:590px;border-collapse:collapse}.toggle-matrix-demo caption{padding:14px 18px;text-align:left;font-size:13px}.toggle-matrix-demo th,.toggle-matrix-demo td{padding:15px;border-top:1px solid var(--line);text-align:center}.toggle-matrix-demo th:first-child{text-align:left}.matrix-switch{position:relative;display:inline-grid}.matrix-switch input{position:absolute;opacity:0}.matrix-switch span{width:48px;height:27px;padding:3px;border-radius:999px;background:color-mix(in srgb,var(--ink) 18%,transparent);transition:background .18s}.matrix-switch span::after{content:"";display:block;width:21px;height:21px;border-radius:50%;background:var(--paper);box-shadow:0 2px 7px #0003;transition:transform .18s}.matrix-switch input:checked+span{background:var(--accent)}.matrix-switch input:checked+span::after{transform:translateX(21px)}.matrix-switch input:focus-visible+span{outline:3px solid var(--accent);outline-offset:3px}.toggle-matrix-demo footer{display:flex;justify-content:space-between;gap:12px;align-items:center;font-weight:800}.workflow-guide{display:grid;grid-template-columns:190px minmax(0,1fr);grid-template-areas:"rail core" "rail evidence";gap:14px 18px}.guide-rail{grid-area:rail;display:grid;align-content:start;gap:15px;padding:18px;border-right:1px solid var(--line)}.guide-rail ol{display:grid;gap:8px;padding:0;margin:0;list-style:none}.guide-rail li{display:grid;grid-template-columns:30px 1fr;gap:8px;align-items:center;padding:9px;opacity:.5}.guide-rail li[aria-current="step"]{opacity:1;color:var(--paper);background:var(--ink)}.guide-rail li.is-complete{opacity:1;color:var(--accent)}.guide-actions{display:grid;grid-template-columns:1fr 1fr;gap:7px}.guide-actions .action{padding-inline:8px}#workflowGuideProgress{height:6px;background:var(--line)}#workflowGuideProgress i{display:block;width:0;height:100%;background:var(--accent)}.guide-core{grid-area:core;min-width:0;padding:16px;border:1px solid var(--line)}.guide-core>p{margin:0 0 14px;padding:10px;border-left:4px solid var(--accent);background:color-mix(in srgb,var(--secondary) 12%,transparent)}.guide-core[data-guide-step="1"]{border-radius:28px}.guide-core[data-guide-step="2"]{box-shadow:inset 0 0 0 4px color-mix(in srgb,var(--accent) 35%,transparent)}.guide-evidence{grid-area:evidence;display:grid;grid-template-columns:1fr 1fr auto;gap:12px;align-items:start}.guide-evidence details,.guide-evidence form{padding:12px;border:1px solid var(--line)}.guide-evidence label{display:grid;gap:7px}.guide-evidence textarea{width:100%;padding:9px;border:1px solid var(--line);background:var(--paper)}@media(max-width:900px){.workflow-guide{grid-template-columns:1fr;grid-template-areas:"core" "rail" "evidence"}.guide-rail{border-right:0;border-bottom:1px solid var(--line)}.guide-rail ol{grid-template-columns:repeat(3,1fr)}.guide-evidence{grid-template-columns:1fr}}
</style>
</head>
<body data-aesthetic="terminal" data-composition="studio">
<main class="page">
<header class="mast"><div><span class="eyebrow">terminal / matriz de alternância de preferências / BEGINNER</span><h1>Matriz de alternância de preferências do estúdio de música</h1><p class="intro">Finalize a matriz de alternâncias de preferência no cenário de estúdio de música: inclui conteúdo real, controles operáveis, feedback de estado claro e layout responsivo em vários tamanhos.</p></div><span class="scenario">Estúdio musical</span></header>
<div class="composition-studio"><div class="studio-ruler" aria-hidden="true"></div><section class="demo" aria-label="Área interativa da matriz de alternância de preferências do estúdio de música"><div class="workflow-guide"><nav class="guide-rail" aria-label="Guia de engenharia de gravação"><span class="eyebrow">Estúdio musical GUIDE</span><ol><li data-workflow-guide-step="0" aria-current="step"><b>1</b><span>Faixa vocal</span></li><li data-workflow-guide-step="1"><b>2</b><span>Faixa rítmica</span></li><li data-workflow-guide-step="2"><b>3</b><span>Faixa de atmosfera</span></li></ol><div class="guide-actions"><button id="workflowGuideBack" class="action" type="button" disabled>Etapa anterior</button><button id="workflowGuideNext" class="action primary" type="button">Concluir esta etapa</button></div><div id="workflowGuideProgress" role="progressbar" aria-label="Conclusão da produção de gravação" 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">Conclua a operação relacionada à faixa “Faixa vocal” no caso principal.</p><!-- 11DZ_CORE_START:controls-selectors-toggle-matrix --><section class="toggle-matrix-demo"><header><span class="eyebrow">PREFERENCE MATRIX</span><h2>Preferências de notificação do estúdio de música</h2><p>Ative os interruptores combinando conteúdo e canal; a semântica da tabela ajuda leitores de tela a entender as relações cruzadas.</p></header><div class="matrix-scroll"><table><caption>Marque as combinações de notificações que deseja ativar</caption><thead><tr><th scope="col">Conteúdo</th><th scope="col">Alerta instantâneo</th><th scope="col">Resumo diário</th><th scope="col">Modo silencioso</th></tr></thead><tbody><tr><th scope="row">Lembrete do estúdio musical</th><td><label class="matrix-switch"><input type="checkbox" data-matrix-toggle checked aria-label="Lembrete do estúdio de música, lembrete instantâneo" data-core-bridge="controls-selectors-toggle-matrix"><span aria-hidden="true"></span></label></td><td><label class="matrix-switch"><input type="checkbox" data-matrix-toggle aria-label="Lembrete do estúdio de música, resumo diário"><span aria-hidden="true"></span></label></td><td><label class="matrix-switch"><input type="checkbox" data-matrix-toggle aria-label="Lembrete do estúdio de música, modo silencioso"><span aria-hidden="true"></span></label></td></tr><tr><th scope="row">Favoritos do estúdio musical</th><td><label class="matrix-switch"><input type="checkbox" data-matrix-toggle aria-label="Favoritos do estúdio de música, lembrete instantâneo"><span aria-hidden="true"></span></label></td><td><label class="matrix-switch"><input type="checkbox" data-matrix-toggle aria-label="Coleção do estúdio musical, resumo diário"><span aria-hidden="true"></span></label></td><td><label class="matrix-switch"><input type="checkbox" data-matrix-toggle checked aria-label="Coleção do estúdio de música, modo silencioso"><span aria-hidden="true"></span></label></td></tr><tr><th scope="row">Visão geral do estúdio de música</th><td><label class="matrix-switch"><input type="checkbox" data-matrix-toggle aria-label="Visão geral do estúdio de música, alertas instantâneos"><span aria-hidden="true"></span></label></td><td><label class="matrix-switch"><input type="checkbox" data-matrix-toggle checked aria-label="Visão geral do estúdio de música, resumo diário"><span aria-hidden="true"></span></label></td><td><label class="matrix-switch"><input type="checkbox" data-matrix-toggle aria-label="Visão geral do estúdio de música, modo silencioso"><span aria-hidden="true"></span></label></td></tr><tr><th scope="row">Plano do estúdio de música</th><td><label class="matrix-switch"><input type="checkbox" data-matrix-toggle checked aria-label="Plano do estúdio de música, lembretes instantâneos"><span aria-hidden="true"></span></label></td><td><label class="matrix-switch"><input type="checkbox" data-matrix-toggle aria-label="Plano do estúdio de música, resumo diário"><span aria-hidden="true"></span></label></td><td><label class="matrix-switch"><input type="checkbox" data-matrix-toggle aria-label="Plano do estúdio musical, modo silencioso"><span aria-hidden="true"></span></label></td></tr></tbody></table></div><footer><output id="matrixCount">Habilitado 4 itens</output><input id="matrixClear" class="action" type="button" value="Tudo desativado"></footer></section><!-- 11DZ_CORE_END --></section><aside class="guide-evidence"><details id="workflowGuideDetails"><summary>Ver requisitos de aceitação</summary><ul><li>A faixa vocal precisa de uma mudança de estado visível de uma vez</li><li>A trilha rítmica precisa de uma mudança de estado visível de uma só vez</li><li>A faixa de ambiente precisa de uma mudança de estado visível de uma só vez</li></ul></details><form id="workflowGuideEvidenceForm"><label>Evidência desta etapa<textarea id="workflowGuideEvidence" rows="3" placeholder="Registrar o estado observado"></textarea></label><input class="action" type="submit" value="Salvar evidência"></form><output id="workflowGuideSummary">0 / 3 passos concluídos</output></aside></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:controls-selectors-toggle-matrix */
const matrixToggles=[...document.querySelectorAll('[data-matrix-toggle]')];const matrixCount=document.querySelector('#matrixCount');function updateMatrix(){const count=matrixToggles.filter(input=>input.checked).length;matrixCount.textContent='Ativado '+count+' item';announce('A matriz de preferências foi ativada '+count+' item');}matrixToggles.forEach(input=>input.addEventListener('change',updateMatrix));document.querySelector('#matrixClear').addEventListener('click',()=>{matrixToggles.forEach(input=>{input.checked=false;});updateMatrix();});updateMatrix();
/* 11DZ_CORE_SCRIPT_END */
const workflowBridgeSpec={"name":"controls-selectors-toggle-matrix","selector":"[data-core-bridge=\"controls-selectors-toggle-matrix\"]","mode":"toggle","key":" "};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.setAttribute('aria-keyshortcuts',workflowBridgeSpec.key===' '?'Space':workflowBridgeSpec.key);const workflowBridgeToggleKeyMatches=event=>event.key===workflowBridgeSpec.key||event.key==='Spacebar'||event.code==='Space';workflowBridgeControl.addEventListener('keydown',event=>{if(!workflowBridgeToggleKeyMatches(event))return;event.preventDefault();});workflowBridgeControl.addEventListener('keyup',event=>{if(!workflowBridgeToggleKeyMatches(event))return;event.preventDefault();workflowBridgeControl.click();});workflowBridgeControl.addEventListener("change",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 workflowGuideCore=document.querySelector('#workflowCore');const workflowGuideStages=["Faixa vocal","Faixa rítmica","Faixa de atmosfera"];const workflowGuideState={step:0,completed:new Set(),evidence:new Map(),consumedVersion:0};function workflowGuideDrive(){const step=workflowGuideState.step;workflowGuideCore.dataset.guideStep=String(step);document.querySelector('#workflowGuideInstruction').textContent='Por favor, conclua no caso principal “'+workflowGuideStages[step]+'Ações relacionadas a ”.';document.querySelectorAll('[data-workflow-guide-step]').forEach((item,index)=>{item.classList.toggle('is-complete',workflowGuideState.completed.has(index));if(index===step)item.setAttribute('aria-current','step');else item.removeAttribute('aria-current');});document.querySelector('#workflowGuideBack').disabled=step===0;document.querySelector('#workflowGuideNext').textContent=step===workflowGuideStages.length-1?'Registro de versão':'Concluir esta etapa';const percent=Math.round(workflowGuideState.completed.size/workflowGuideStages.length*100);const progress=document.querySelector('#workflowGuideProgress');progress.setAttribute('aria-valuenow',String(percent));progress.querySelector('i').style.width=percent+'%';document.querySelector('#workflowGuideSummary').textContent=workflowGuideState.completed.size+' / '+workflowGuideStages.length+' Etapa concluída · '+workflowBridgeSummary();announce('Etapa atual da engenharia de gravação:'+workflowGuideStages[step]);}function workflowGuideAdvance(direction){if(direction>0){const bridge=workflowBridgeActivate();const version=Number(workflowGuideCore.dataset.workflowVersion||0);if(version<=workflowGuideState.consumedVersion){announce('Complete primeiro a mudança visível de estado do caso principal');return;}workflowGuideState.consumedVersion=version;workflowGuideState.completed.add(workflowGuideState.step);announce('Mudanças do caso principal registradas · '+bridge.summary);}workflowGuideState.step=Math.max(0,Math.min(workflowGuideStages.length-1,workflowGuideState.step+direction));workflowGuideDrive();}document.querySelector('#workflowGuideBack').addEventListener('click',()=>workflowGuideAdvance(-1));document.querySelector('#workflowGuideNext').addEventListener('click',()=>workflowGuideAdvance(1));document.querySelector('#workflowGuideEvidenceForm').addEventListener('submit',event=>{event.preventDefault();const version=Number(workflowGuideCore.dataset.workflowVersion||0);if(version<=workflowGuideState.consumedVersion){announce('Prova não salva: o caso principal ainda não tem novas alterações');return;}const text=document.querySelector('#workflowGuideEvidence').value.trim();workflowGuideState.evidence.set(workflowGuideState.step,text||'Estado de visibilidade verificado como concluído');workflowGuideState.completed.add(workflowGuideState.step);workflowGuideState.consumedVersion=version;workflowGuideDrive();announce('Evidência desta etapa salva · '+workflowBridgeSummary());});document.querySelector('#workflowGuideDetails').addEventListener('toggle',event=>announce(event.currentTarget.open?'Requisitos de aceitação expandidos':'Requisitos de aceitação recolhidos'));workflowGuideDrive();
workflowBridgeReset();
</script>
</body>
</html>