:root{font-family:system-ui,-apple-system,'Segoe UI',sans-serif;color:#1f2a44;background:#fdf8ef;font-size:18px}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0}button{font:inherit;color:inherit;cursor:pointer;touch-action:manipulation}button:disabled{cursor:default;opacity:.55}button:focus-visible,a:focus-visible{outline:4px solid #1d4ed8;outline-offset:4px}header{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#1f2a44;color:white;padding:10px 18px}header h1{margin:0;font-size:clamp(24px,4vw,36px)}header button{background:#ffffff24;border:0;border-radius:18px;font-size:28px;width:56px;height:54px}main{max-width:1100px;margin:auto;padding:22px 16px 48px}.intro{text-align:center;padding:16px 0 30px}.badge{font-size:14px;font-weight:800;letter-spacing:2px;color:#765400}h2{font-size:clamp(25px,4vw,38px);margin:10px 0}p{line-height:1.5}.meter{height:12px;border-radius:12px;background:#e5dccb;max-width:500px;margin:14px auto;overflow:hidden}.meter span{display:block;height:100%;background:#16a34a}#cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:20px}.card{display:flex;flex-direction:column;align-items:center;gap:9px;border:3px solid #ffffff70;border-radius:26px;padding:18px 12px;color:white;background:var(--color);box-shadow:0 7px 0 #1f2a4424}.card:hover{transform:translateY(-3px)}.card .emoji{font-size:60px}.card b{font-size:23px}.card small{font-size:16px}details{margin-top:36px;padding:18px;background:white;border-radius:18px}summary{cursor:pointer;font-weight:700}.back{display:block;margin-top:24px}.gamebar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}#level{background:#fff3c4;padding:10px;border-radius:14px;font-weight:700}#stars{font-size:26px;text-align:center;padding:14px 0;color:#765400}.instruction{display:flex;align-items:center;gap:8px;margin-bottom:20px;background:white;border-radius:20px;padding:8px 16px}.instruction p{flex:1;font-size:22px;font-weight:700;margin:6px 0}.instruction button{border:0;background:#f1f5f9;border-radius:14px;min-width:48px;min-height:48px;font-size:25px}#stage{background:#fff;border:3px solid #e5dccb;border-radius:28px;padding:24px;min-height:330px;text-align:center}.row{display:flex;justify-content:center;align-items:center;gap:12px;flex-wrap:wrap;margin:16px 0}.tile{display:inline-grid;place-items:center;min-width:66px;min-height:66px;padding:8px;background:#fff7db;border:3px solid #e7c976;border-radius:16px;font-size:clamp(28px,6vw,48px);font-weight:800}.tile.selected{outline:4px solid #2563eb;background:#dbeafe}.tile.done{background:#dcfce7;border-color:#16a34a}.tile small{display:block;font-size:16px}.tile.label{font-size:22px}.target{font-size:64px;padding:12px}.board{display:grid;gap:10px;max-width:700px;margin:20px auto}.bank .tile{touch-action:none;cursor:grab}.bank .dragging{position:relative;z-index:5;pointer-events:none}.slot{min-height:92px;border-style:dashed;background:#f1f5f9}.slot.done{border-style:solid}.model{padding:16px;border-radius:18px;background:#eef2ff;letter-spacing:8px;font-size:clamp(24px,5vw,42px);overflow-wrap:anywhere}.keys{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;max-width:680px;margin:auto}.keys button{font-size:23px;min-width:45px;min-height:48px}.primary,#reward button,details button{padding:14px 22px;border:0;background:#2563eb;color:#fff;border-radius:16px;font-size:20px;font-weight:700;margin:8px}input{max-width:100%;font:inherit;font-size:32px;border:3px solid #94a3b8;border-radius:12px;padding:12px;text-transform:uppercase}#feedback{min-height:30px;text-align:center;font-size:21px;font-weight:700;color:#166534}#reward{text-align:center;background:#fff3c4;border:4px solid #eab308;border-radius:24px;padding:20px;margin-top:16px}#reward>span{font-size:70px}.maze{display:grid;max-width:510px;margin:auto;gap:0}.maze .maze-cell{aspect-ratio:1;border-style:solid;border-color:#1f2a44;background:#f0fdf4;font-size:clamp(20px,5vw,38px);padding:0;min-width:0}.maze .maze-cell.current{background:#fef08a}.sudoku{display:grid;grid-template-columns:repeat(4,1fr);max-width:390px;margin:auto;gap:5px}.sudoku .tile{min-width:0}.sudoku .tile:nth-child(4n+2){border-right:6px solid #1f2a44}.sudoku .tile:nth-child(n+5):nth-child(-n+8){border-bottom:6px solid #1f2a44}.fixed{background:#e2e8f0}.garden{display:grid;gap:10px}.lane{display:grid;grid-template-columns:70px repeat(8,1fr);align-items:center;gap:2px;background:#d9f99d;border-radius:14px;padding:8px;min-height:76px}.lane>span{font-size:clamp(22px,4vw,35px)}.lane button{font-size:26px;border:2px solid #65a30d;background:#fff;border-radius:12px;min-height:55px}.lane small{font-size:13px;display:block}.flash{background:#fde047!important;transform:scale(1.05)}.counting{font-size:42px;display:flex;flex-wrap:wrap;justify-content:center;gap:12px;max-width:650px;margin:auto}@media(max-width:520px){main{padding:16px 10px}#cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.card{padding:14px 5px}.card b{font-size:19px}.card .emoji{font-size:48px}#stage{padding:14px 10px}.instruction{padding:8px}.instruction p{font-size:18px}.tile{min-width:52px;min-height:56px;border-radius:12px}.board{gap:6px}.lane{grid-template-columns:52px repeat(8,1fr);padding:6px 2px}.lane button{font-size:21px}.lane>span{font-size:20px}.model{letter-spacing:3px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
/* Mundos ilustrados: recursos locales, sin descarga de terceros al jugar. */
body{background:#eef8ff;background-image:radial-gradient(circle at 10% 10%,#ffefbd 0,transparent 30%),radial-gradient(circle at 90% 45%,#c9f3ef 0,transparent 30%)}header{background:#172c50;box-shadow:0 5px 0 #102342}main{max-width:1180px}.intro{position:relative;isolation:isolate;text-align:left;padding:30px 36px;min-height:340px;border-radius:32px;background:linear-gradient(120deg,#253461,#513ea0);color:white;overflow:hidden;box-shadow:0 9px 0 #26325e25;margin-bottom:28px}.intro h2{font-size:clamp(28px,4vw,44px);max-width:530px}.intro p{max-width:500px;position:relative;z-index:2}.intro .badge{color:#ffe49b}.intro #total{position:relative;z-index:2;color:#ffea9d}.intro .meter{max-width:400px;margin:16px 0;background:#ffffff30}.meter span{background:#ffcc4e}.hero-art{position:absolute;inset:0 0 0 50%;z-index:-1;overflow:hidden}.hero-blocks{position:absolute;width:115%;height:100%;object-fit:cover;right:-10%;bottom:0;opacity:.8;mask-image:linear-gradient(90deg,transparent,#000 28%)}.hero-rocket{position:absolute;width:115px;right:34%;top:5px;transform:rotate(15deg)}.hero-earth{position:absolute;width:130px;right:6%;top:10px}.hero-flower{position:absolute;width:130px;right:3%;bottom:3px}#worlds{display:flex;gap:9px;flex-wrap:wrap;justify-content:center;margin:0 0 26px}.world-pill{border:2px solid #d5dfec;background:#fff;border-radius:99px;padding:10px 15px;font-size:16px;font-weight:750}.world-pill[aria-pressed=true]{background:#253461;color:white;border-color:#253461}#cards{grid-template-columns:repeat(auto-fit,minmax(195px,1fr));gap:22px}.card{position:relative;overflow:hidden;isolation:isolate;min-height:240px;box-shadow:0 7px 0 #10234225;transition:transform .15s;border:3px solid #ffffff90}.card::before{content:'';position:absolute;inset:0;z-index:-1;opacity:.32;background:radial-gradient(circle at 10% 10%,#fff 0 3px,transparent 4px);background-size:28px 28px}.card .emoji{font-size:70px;display:grid;place-items:center;border-radius:50%;background:#ffffffde;width:110px;height:110px;filter:drop-shadow(0 5px 0 #172c5020);margin-bottom:3px}.card .world-label{font-size:12px;text-transform:uppercase;letter-spacing:1px;opacity:.9}.card b{text-align:center;font-size:22px}.card small:last-child{background:#172c5040;padding:6px 12px;border-radius:30px}.card[data-world=bloques]{background:#486d32}.card[data-world=bloques]::before{background:url('./assets/blocks-world.png') center/cover;opacity:.45}.card[data-world=espacio]{background:#252159}.card[data-world=espacio]::before{background-image:url('./assets/1F30D.svg'),radial-gradient(circle,#fff 0 1px,transparent 2px);background-size:130px 130px,23px 29px;background-repeat:no-repeat,repeat;background-position:120% 110%,0 0;opacity:.45}.card[data-world=jardin]{background:#267347}.card[data-world=jardin]::before{background:url('./assets/1F33B.svg') 120% 100%/130px no-repeat}.card[data-world=bosque]{background:#326c53}.card[data-world=bosque]::before{background:url('./assets/1F333.svg') 120% 110%/160px no-repeat}.art{display:inline-block;position:relative;width:1.15em;height:1.15em;vertical-align:-.18em;line-height:1;letter-spacing:0}.art>img{width:100%;height:100%;object-fit:contain}.art-original{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.card .art{width:1.05em;height:1.05em;vertical-align:middle}.world-pill .art{width:1.5em;height:1.5em}.target .art{width:1.25em;height:1.25em}.model .art{margin:0 3px}.tile .art{filter:drop-shadow(0 3px 0 #1f2a4415)}#world-banner{height:115px;display:flex;align-items:center;gap:14px;padding:20px 26px;border-radius:24px 24px 0 0;color:white;font-weight:900;font-size:25px;background:#3d7960;overflow:hidden}#world-banner .art{font-size:58px}#stage{border-radius:0 0 28px 28px;border-top:0;box-shadow:0 7px 0 #172c5010}#world-banner[data-world=bloques]{background:linear-gradient(90deg,#253c21ee,#253c2144),url('./assets/blocks-world.png') center 52%/cover}#world-banner[data-world=espacio]{background:#24234f url('./assets/1F680.svg') right 5% center/100px no-repeat}#world-banner[data-world=animales]{background:#db8d32 url('./assets/1F981.svg') right 5% center/100px no-repeat}#world-banner[data-world=bosque]{background:#2f7050 url('./assets/1F333.svg') right 5% center/110px no-repeat}#world-banner[data-world=jardin]{background:#317c3c url('./assets/1F33B.svg') right 5% center/110px no-repeat}#world-banner[data-world=dulces]{background:#a63d69 url('./assets/1F352.svg') right 5% center/110px no-repeat}#world-banner[data-world=magia]{background:#6639a0 url('./assets/1F3B5.svg') right 5% center/110px no-repeat}body[data-world=bloques] #stage{background:#f7f6e8}body[data-world=bloques] .maze .maze-cell{background:#d1eba5 url('./assets/grass_top.png') center/cover;image-rendering:pixelated}body[data-world=bloques] .tile{border-radius:6px;box-shadow:0 5px 0 #795530;border-color:#a77c3c}body[data-world=espacio]{background-color:#e6e8ff}body[data-world=espacio] #stage{border-color:#c4b5fd;background:#f7f5ff}body[data-world=jardin] #stage{background:#f4ffe7;border-color:#add36c}.garden{border-radius:20px;background:#92bf5b;padding:12px;box-shadow:inset 0 0 0 3px #64953b}.lane{background:repeating-linear-gradient(90deg,#c3e58c 0,#c3e58c 12%,#b7dc7d 12%,#b7dc7d 24%);min-height:98px}.lane>span .art{width:1.5em;height:1.5em}.lane button{min-height:70px;background:#fff7cb;border-color:#a07c29}.lane small{color:#8b2439;font-weight:900}#reward{background:linear-gradient(140deg,#fff0a6,#ffe16b);box-shadow:0 8px 0 #a7781930}#reward>span .art{width:1.6em;height:1.6em}#stars .art{width:1em;height:1em}.instruction{box-shadow:0 4px 0 #172c5010}.back{color:#253461;font-weight:700}@media(max-width:650px){.intro{padding:22px;min-height:360px;padding-bottom:125px}.intro h2{font-size:30px}.intro p{font-size:16px;margin:8px 0}.hero-art{inset:auto 0 0 40%;height:130px}.hero-blocks{width:140%;object-position:bottom}.hero-rocket{width:68px;right:50%;top:0}.hero-earth{width:74px;right:5%;top:0}.hero-flower{width:72px}.intro .meter{max-width:60%}#cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.card{min-height:220px}.card .emoji{width:88px;height:88px;font-size:58px}.card b{font-size:19px}.world-pill{padding:8px 10px;font-size:14px}#world-banner{font-size:20px;padding:12px;height:90px}#world-banner .art{font-size:44px}.garden{padding:6px}.lane{min-height:88px}.lane>span .art{width:1.1em;height:1.1em}}
.bank .tile{min-width:110px;min-height:112px;font-size:26px}.bank .art{width:72px;height:72px}.bank .art img[src$="-nasa.png"]{transform:scale(1.45)}
/* Lectura mínima para primer grado: consignas cortas y ejemplos visuales. */
.intro{min-height:240px;padding-top:24px;padding-bottom:24px}.intro .goal{font-size:36px;font-weight:900;margin:14px 0}.visual-help{text-align:center;background:#fff9df;border:3px solid #f2dda0;border-radius:20px;padding:12px;margin:16px 0;font-size:clamp(28px,5vw,42px);font-weight:800;line-height:1.5}.visual-help .art{margin:0 4px}.instruction{margin-bottom:8px}.mini-label{font-size:24px;margin:6px}#world-banner{height:70px;padding:8px 22px}#world-banner .art{font-size:44px}.world-pill{min-width:64px;min-height:60px;padding:9px 15px}.world-pill .art{width:36px;height:36px}.slot.label{font-size:32px}.slot.label .art{width:64px;height:64px}.card{min-height:215px}#reward button{min-width:100px;font-size:34px}@media(max-width:650px){.intro{min-height:280px;padding-bottom:120px}.intro .goal{font-size:28px;margin:10px 0}.intro h2{font-size:28px}#worlds{gap:8px}.world-pill{min-width:56px;min-height:54px;padding:7px 12px}.world-pill .art{width:30px;height:30px}.visual-help{font-size:26px;padding:10px 6px}#world-banner{height:64px}.card{min-height:190px}}

.maze-cell{display:grid;place-items:center;cursor:default}