Detección del esquema de color del sistema de lector de archivos
Completa una detección del esquema de color del sistema en un contexto de lector de archivos: incluye contenido real, controles interactivos, retroalimentación de estado clara y una disposición adaptable a distintos tamaños.
Tras activar JavaScript, puedes editar, ejecutar y guardar este ejemplo. El código fuente fijado es el siguiente:
<!doctype html>
<html lang="es" dir="ltr">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Detección del esquema de color del sistema de lector de archivos</title>
<style>
:root { --ink:#18332f; --paper:#f4efe4; --accent:#d45f3e; --secondary:#8fc4ad; --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:"IBM Plex Sans","PingFang SC",sans-serif; background:linear-gradient(color-mix(in srgb,var(--ink) 5%,transparent) 1px,transparent 1px),var(--paper);background-size:100% 36px; }
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(1280px,calc(100% - 24px));margin:auto;padding:28px 0 64px}.mast{display:flex;justify-content:space-between;padding:18px;border:1px solid var(--line);background:color-mix(in srgb,#fff 60%,transparent);gap:18px;margin-bottom:14px}.mast h1{font-family:"IBM Plex Sans","PingFang SC",sans-serif;font-weight:800;font-size:clamp(34px,6vw,66px);letter-spacing:-.045em;margin:0;line-height:1}.eyebrow{display:block;margin-bottom:6px;color:var(--accent);font:800 10px/1 ui-monospace,monospace;letter-spacing:.16em}.intro{max-width:720px;margin:10px 0 0;font-size:14px;line-height:1.6}.scenario{padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:var(--paper);font-size:12px}.demo{border-radius:14px;box-shadow:0 14px 40px color-mix(in srgb,var(--ink) 11%,transparent);position:relative;min-height:390px;overflow:hidden;padding:24px;background:color-mix(in srgb,var(--paper) 90%,#fff)}@media(max-width:700px){.page{width:calc(100% - 12px);padding-top:12px}.mast{display:grid}.demo{padding:12px}}
.panel{padding:26px;border:1px solid var(--line);border-radius:2px;background:var(--paper)}.stack{display:grid;gap:28px}.row{display:flex;gap:20px;flex-wrap:wrap}.action{padding:9px 2px;border:0;border-bottom:2px solid var(--line);background:transparent}.action.primary,.action.is-active{border-color:var(--accent);color:var(--accent)}.muted{font-size:14px;line-height:1.9}.status{min-height:20px;margin-top:28px;font-size:13px}.metric{font-size:clamp(40px,9vw,88px);font-weight:500;letter-spacing:-.06em}.meter{height:2px;background:var(--line)}.meter>i{display:block;height:100%;background:var(--accent)}.chip{font-size:11px;letter-spacing:.12em;text-transform:uppercase}
.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}
.scheme-lab{--scheme-bg:#fbfaf6;--scheme-fg:#18202a;--scheme-accent:#d85b35;display:grid;grid-template-columns:minmax(210px,.65fr) minmax(0,1.35fr);border:1px solid var(--line)}.scheme-lab[data-resolved="dark"]{--scheme-bg:#121721;--scheme-fg:#f4f1e9;--scheme-accent:#67e8f9}.scheme-lab[data-contrast="true"]{outline:6px double var(--scheme-fg);outline-offset:-10px}.scheme-lab>aside{display:grid;align-content:center;gap:18px;padding:26px}.scheme-lab h2{margin:.2em 0}.scheme-lab fieldset{display:grid;gap:8px;padding:14px;border:1px solid var(--line)}.scheme-lab>section{display:grid;grid-template-rows:auto 1fr auto;min-height:380px;padding:18px;color:var(--scheme-fg);background:var(--scheme-bg);transition:color .2s,background .2s}.scheme-lab section header{display:flex;gap:7px;align-items:center}.scheme-lab section header i{width:10px;aspect-ratio:1;border-radius:50%;background:var(--scheme-accent)}.scheme-lab section header output{margin-left:auto}.scheme-lab article{align-self:center;max-width:520px;padding:28px;border:2px solid var(--scheme-fg)}.scheme-lab article h3{font-size:clamp(30px,6vw,56px);line-height:1}.scheme-lab article .action{color:inherit;border-color:currentColor}.scheme-lab article.is-selected{box-shadow:12px 12px 0 var(--scheme-accent)}#schemeTokens{display:flex;gap:14px;padding:0;list-style:none}#schemeTokens li{display:flex;gap:6px;align-items:center}#schemeTokens i{width:14px;aspect-ratio:1;border:1px solid currentColor;background:var(--scheme-accent)}@media(max-width:680px){.scheme-lab{grid-template-columns:1fr}}.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="dashboard" data-composition="studio">
<main class="page">
<header class="mast"><div><span class="eyebrow">dashboard / detección del esquema de color del sistema / BEGINNER</span><h1>Detección del esquema de color del sistema de lector de archivos</h1><p class="intro">Completa una detección del esquema de color del sistema en un contexto de lector de archivos: incluye contenido real, controles interactivos, retroalimentación de estado clara y una disposición adaptable a distintos tamaños.</p></div><span class="scenario">Lector de archivos</span></header>
<div class="composition-studio"><div class="studio-ruler" aria-hidden="true"></div><section class="demo" aria-label="Área interactiva de detección de esquema de color del sistema del lector de archivos"><div class="workflow-compare"><form id="workflowCompareControls" class="compare-controls"><fieldset><legend>Canal comparativo</legend><label><input type="radio" name="workflowChannel" value="A" checked>A · comprobación de permisos del lector de archivos</label><label><input type="radio" name="workflowChannel" value="B">B · registro de capacidades del lector de archivos</label></fieldset><label>Peso de los elementos de evaluación<input id="workflowCompareWeight" type="range" min="10" max="90" value="50"><output id="workflowCompareWeightValue">Elemento 50</output></label><label><input id="workflowCompareFreeze" type="checkbox">Congelar la versión actual</label><button id="workflowCompareCapture" class="action primary" type="button">Muestrear y registrar capacidades</button><ol id="workflowCompareShelf" aria-label="Muestra de versión"></ol></form><section class="compare-stage"><header><span class="eyebrow">Lector de archivos de archivo COMPARE</span><h2>Comparación de dos versiones del lector de archivos</h2><output id="workflowCompareLive">Versión A en espera de muestreo</output></header><section id="workflowCore" class="workflow-core compare-core" data-compare-channel="A" style="--compare-split:50%"><!-- 11DZ_CORE_START:browser-media-device-color-scheme --><div id="schemeLab" class="scheme-lab" data-scheme="system"><aside><span class="eyebrow">COLOR SCHEME</span><h2>Vista previa de color para lector de archivos</h2><fieldset id="schemeChoices"><legend>Modo de pantalla</legend><label><input type="radio" name="scheme" value="system" checked>Seguir al sistema</label><label><input type="radio" name="scheme" value="light">forzar modo claro</label><label><input type="radio" name="scheme" value="dark">Forzar modo oscuro</label></fieldset><label><input id="schemeContrast" type="checkbox" data-core-bridge="browser-media-device-color-scheme">Mejorar el contraste de los bordes</label></aside><section><header><i></i><i></i><i></i><output id="schemeDetected">Detectar preferencias del sistema</output></header><article><span class="eyebrow">LIVE PREVIEW</span><h3>El cambio de tema mantiene la estructura del contenido</h3><p>Los roles de color, los bordes y los estilos de enfoque cambian juntos.</p><button id="schemeSample" class="action" type="button">Cambiar estado de ejemplo</button></article><ul id="schemeTokens"><li><i></i>Página</li><li><i></i>Texto</li><li><i></i>Enfatizar</li></ul></section></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:browser-media-device-color-scheme */
const schemeLab=document.querySelector('#schemeLab');const systemScheme=matchMedia('(prefers-color-scheme: dark)');const schemeState={choice:'system',contrast:false,selected:false};function resolveScheme(){const resolved=schemeState.choice==='system'?(systemScheme.matches?'dark':'light'):schemeState.choice;schemeLab.dataset.scheme=schemeState.choice;schemeLab.dataset.resolved=resolved;schemeLab.dataset.contrast=String(schemeState.contrast);document.querySelector('#schemeDetected').textContent='sistema '+(systemScheme.matches?'oscuro':'Claro')+' · actual '+(resolved==='dark'?'oscuro':'Claro');document.querySelector('.scheme-lab article').classList.toggle('is-selected',schemeState.selected);announce('La vista previa se ha cambiado a'+(resolved==='dark'?'oscuro':'Claro')+'Plan');}document.querySelectorAll('[name="scheme"]').forEach(input=>input.addEventListener('change',()=>{schemeState.choice=input.value;resolveScheme();}));document.querySelector('#schemeContrast').addEventListener('change',event=>{schemeState.contrast=event.currentTarget.checked;resolveScheme();});document.querySelector('#schemeSample').addEventListener('click',()=>{schemeState.selected=!schemeState.selected;resolveScheme();});systemScheme.addEventListener?.('change',()=>{if(schemeState.choice==='system')resolveScheme();});resolveScheme();
/* 11DZ_CORE_SCRIPT_END */
const workflowBridgeSpec={"name":"browser-media-device-color-scheme","selector":"[data-core-bridge=\"browser-media-device-color-scheme\"]","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+' · versión 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 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+' Elemento';document.querySelector('#workflowCompareLive').textContent=workflowCompareState.channel+' versión · '+workflowCompareState.weight+' Elemento'+(workflowCompareState.frozen?' · congelado':'');announce('El lector de archivos está viendo '+workflowCompareState.channel+' versión');}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+' ítem · '+snapshot.bridge+'</small>';document.querySelector('#workflowCompareShelf').prepend(item);announce('muestreado '+snapshot.channel+' Versión y registro de capacidades · '+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('Muestra de botón'));workflowCompareCore.addEventListener('dblclick',()=>workflowCompareCapture('Vista principal doble clic'));workflowCompareDrive();
workflowBridgeReset();
</script>
</body>
</html>