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#cc9c36;outline-offset:3px}.layout{max-width:1600px;margin:auto;display:grid;grid-template-columns:280px minmax(0,1fr)}aside{padding:40px 24px;border-right:1px solid var(--line);background:#eef2e9}h1,h2,h3,p{margin-top:0}aside h2{font-size:25px;line-height:1.25;letter-spacing:-.7px}h1{font-size:clamp(34px,4.2vw,57px);line-height:1.12;letter-spacing:-2px;margin:22px 0}h1 span{color:var(--green)}.eyebrow{font-size:10px;letter-spacing:1.7px;font-weight:800;color:var(--green)}.muted{color:var(--muted);font-size:12px}.progress{height:6px;border-radius:10px;background:#d8e2d2;overflow:hidden;margin:24px 0 8px}#bar{height:100%;background:var(--green)}nav{display:grid;gap:5px;margin-top:22px}nav button{background:transparent;text-align:left;color:var(--muted);font-size:12px;display:flex;gap:10px;padding:9px 10px;font-weight:500}nav button.active{background:white;color:var(--ink);box-shadow:0 2px 8px #173d3808}nav button.done{color:var(--green)}nav 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18px;margin:0;font-family:monospace;font-size:10px}.tablewrap{overflow:auto;max-height:340px}table{border-collapse:collapse;width:100%;font-size:11px;text-align:left;white-space:nowrap}th{background:#f0f4eb;font-size:10px;color:#536a60}td,th{padding:9px 12px;border-bottom:1px solid #edf1eb}select{border:1px solid var(--line);border-radius:6px;font-size:11px;padding:5px;background:white;color:var(--ink)}.results{margin-top:18px}.empty{padding:30px;font-size:13px;color:var(--muted);text-align:center}#feedback{margin:0 18px 16px;font-size:12px;border-radius:8px;white-space:pre-wrap}#feedback:not(:empty){padding:12px;background:#eef3e6}#feedback.error{background:#fff1e8;color:#8b4025}#feedback.success{background:#e4f2e8;color:#205c38}#next{margin:0 18px 18px;font-size:12px}footer{padding:25px 0;color:var(--muted);font-size:10px}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@media(max-width:1050px){.workspace{grid-template-columns:1fr}.layout{grid-template-columns:230px minmax(0,1fr)}aside{padding:30px 16px}}@media(max-width:700px){header{flex-wrap:wrap;gap:12px}.local{margin-left:0}header button{margin-left:auto;font-size:11px}.layout{display:block}aside{border-right:0;border-bottom:1px solid var(--line);padding:20px}aside h2,aside>.muted,.foot{display:none}nav{display:flex;overflow:auto;margin:12px 0 0}nav button{flex-shrink:0;font-size:11px}aside .eyebrow{margin-bottom:0}.progress{margin-top:12px}#count{margin-bottom:0}main{padding:25px 18px}h1{letter-spacing:-1px}.lesson{padding:20px}.intro{align-items:flex-start}.panelhead{padding:14px}table{font-size:11px}}

header > #export{margin-left:auto}

/* Revisión de accesibilidad y adaptación a pantallas táctiles. */
html{scroll-behavior:smooth}header{flex-wrap:wrap;gap:12px}header>#export{margin-left:0}.brand{margin-right:auto}button,select,summary,.import-button{min-height:44px}summary{display:flex;align-items:center}textarea{font-size:16px;min-height:190px;max-height:65vh;line-height:1.7}.actions button{font-size:13px;min-height:44px}.muted{font-size:13px}.shortcut,footer,.foot{font-size:12px}.lesson p{font-size:15px}.panelhead h3{font-size:14px}.guide{margin:0 0 20px;border:1px solid var(--line);background:white;border-radius:12px;padding:10px 20px}.guidecontent{font-size:14px;color:#50645e}.guidecontent ol{padding-left:22px}.guidecontent li{margin:8px 0}.glossary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.glossary p{padding:12px;background:#f0f4eb;border-radius:8px;margin-bottom:14px}.mobile-route{display:none}.tablewrap{max-width:100%;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch}td,th{font-size:12px;padding:11px 13px}.workspace>*{min-width:0}.scroll-help{margin:8px 18px;color:var(--muted);font-size:12px}#schema{overflow-wrap:anywhere}#feedback{font-size:14px;overflow-wrap:anywhere}.lesson-controls{display:flex;gap:8px;flex-wrap:wrap;padding:0 18px 18px}.lesson-controls #next{margin:0}.import-button{display:inline-flex;align-items:center;cursor:pointer;border:1px solid var(--line);border-radius:8px;background:white;padding:8px 14px;font-size:13px;font-weight:650;position:relative}.import-button:focus-within{outline:3px solid #cc9c36;outline-offset:3px}.lessonhead{gap:10px;flex-wrap:wrap}.pill{max-width:100%;white-space:normal}.empty{font-size:14px}#bar{transition:width .2s}nav button{min-height:44px}#mission{width:100%;font-size:16px;padding:10px;margin-top:5px}#prev:disabled{cursor:default}.panelhead{flex-wrap:wrap}.intro{flex-wrap:wrap}#result,#data{scrollbar-width:thin}
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@media(max-width:700px){header{padding:12px 16px}.brand{width:100%;font-size:18px}.import-button,header button{flex:1;justify-content:center;font-size:12px;padding:8px}header button{margin:0}.mobile-route{display:block;font-size:13px;font-weight:650;margin-top:12px}nav{display:none}.layout{display:block}aside{padding:16px 18px}aside>.muted#count{display:block}main{padding:22px 14px}h1{font-size:36px}.lede{font-size:15px}.guide{padding:8px 15px}.glossary{grid-template-columns:repeat(2,minmax(0,1fr))}.lesson{padding:18px}.lesson h2{font-size:23px}.workspace{grid-template-columns:1fr;gap:14px}.actions{gap:9px;padding:14px 14px 0}.actions #run{flex:1 0 100%;font-size:14px}.actions .ghost{flex:1}.lesson-controls{padding:0 14px 16px}.lesson-controls button{flex:1;font-size:13px}textarea{padding:17px;height:210px}.task{padding:12px}.panelhead{padding:14px}.tablewrap{max-height:320px}.datapanel #schema{font-size:12px}.intro .muted{font-size:12px}#feedback{margin:0 14px 14px}footer{font-size:12px}.glossary p{font-size:12px;padding:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}#bar{transition:none}}

nav button.locked{opacity:.65;cursor:not-allowed}#next:disabled{background:#e1e6df;color:#55675c;cursor:not-allowed;opacity:1}#gate-status{font-size:13px;color:var(--green)}