:root{--purple:#7756c9;--purpleD:#56399f;--purpleL:#f0eaff;--ink:#29243e;--muted:#706b80;--card:#fff;--bg:#f7f5ff;--green:#2cab72;--greenL:#e6f8ef;--red:#df5656;--yellow:#f3b83b;--yellowL:#fff5d7;--blue:#4c8fe8;--blueL:#e8f2ff;--shadow:0 12px 32px #4f3d7a16}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:ui-rounded,"SF Pro Rounded","Arial Rounded MT Bold",system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:linear-gradient(#eef7ff 0 115px,var(--bg) 280px);color:var(--ink);min-height:100vh}button{font:inherit}.sky-decor{position:fixed;inset:0 0 auto;display:flex;justify-content:space-around;pointer-events:none;opacity:.85;font-size:28px;height:100px;padding-top:10px;z-index:0}.sky-decor span:nth-child(2){font-size:38px}.topbar{padding:18px 24px;background:linear-gradient(135deg,#7251c7,#9674e1);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:16px;position:sticky;top:0;z-index:10;box-shadow:0 8px 24px #49367b33;border-bottom:3px solid #ffffff33}.brand-row{display:flex;align-items:center;gap:12px}.mascot{width:52px;height:52px;display:grid;place-items:center;background:#fff;border-radius:18px;font-size:29px;box-shadow:0 6px 16px #432b7f38;transform:rotate(-4deg)}.topbar h1{font-size:clamp(21px,3vw,32px);margin:2px 0}.eyebrow{font-size:13px;opacity:.92;font-weight:750;letter-spacing:.2px}.progress-pill{background:#ffffff25;padding:10px 15px;border-radius:999px;white-space:nowrap;font-weight:800;border:1px solid #ffffff30}.shell{position:relative;z-index:1;max-width:1120px;margin:0 auto;padding:24px}.screen{display:none}.screen.active{display:block}.card{background:var(--card);border-radius:28px;box-shadow:var(--shadow);border:2px solid #ebe6f5}.hero{padding:28px 30px;display:flex;justify-content:space-between;align-items:center;overflow:hidden;position:relative;background:linear-gradient(135deg,#fff 0%,#fbf8ff 60%,#f0eaff 100%)}.hero:after{content:"";position:absolute;right:-55px;bottom:-80px;width:220px;height:220px;border-radius:50%;background:#dcd0ff55}.hero-copy{position:relative;z-index:1;max-width:740px}.hero h2{font-size:clamp(25px,4vw,40px);margin:4px 0 10px;line-height:1.1}.hero p{font-size:18px;color:var(--muted);line-height:1.45}.kicker{font-weight:900;color:var(--purple)!important;font-size:19px!important}.mini-route{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:16px;font-weight:800;color:#4e426c}.mini-route span{background:#fff;padding:8px 10px;border-radius:999px;border:1px solid #e6dff4}.mini-route b{color:#a79db9}.hero-world{width:210px;height:180px;position:relative;flex:0 0 210px}.planet{font-size:105px;position:absolute;inset:28px 45px auto auto;filter:drop-shadow(0 10px 12px #51437d20);animation:float 3.2s ease-in-out infinite}.orbit{position:absolute;font-size:35px;background:#fff;border-radius:50%;width:58px;height:58px;display:grid;place-items:center;box-shadow:0 8px 18px #4c3a7920}.orbit1{left:0;top:8px;transform:rotate(-8deg)}.orbit2{right:0;top:6px}.orbit3{left:14px;bottom:0}@keyframes float{50%{transform:translateY(-6px) rotate(2deg)}}.mission{padding:17px 22px;margin:18px 0;display:grid;grid-template-columns:280px 1fr;gap:20px;align-items:center}.mission-title{display:flex;align-items:center;gap:11px}.mission-title>span{font-size:32px}.mission-title b{display:block;font-size:18px}.mission-title small{display:block;color:var(--muted);margin-top:2px}.mission-track{position:relative;padding:12px 8px 2px}.track-line{height:12px;background:#ece7f4;border-radius:999px;overflow:hidden}.track-line span{display:block;height:100%;width:0;background:linear-gradient(90deg,#8a68d6,#5aa5ee,#43bf80);border-radius:inherit;transition:width .45s}.track-points{display:flex;justify-content:space-between;margin-top:-26px;position:relative}.track-points span{width:42px;height:42px;display:grid;place-items:center;background:#fff;border:3px solid #e7e0f1;border-radius:50%;font-size:20px;box-shadow:0 3px 10px #483a7014}.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:18px 0}.nav-card{border:0;border-radius:26px;padding:20px 18px;text-align:left;min-height:205px;cursor:pointer;box-shadow:var(--shadow);transition:.18s transform,.18s box-shadow;background:#fff;position:relative;overflow:hidden}.nav-card:before{content:"";position:absolute;right:-36px;top:-36px;width:110px;height:110px;border-radius:50%;opacity:.16}.nav-card:hover{transform:translateY(-3px);box-shadow:0 16px 34px #44346d22}.nav-card:active{transform:scale(.98)}.nav-emoji{font-size:46px;display:block;position:relative}.nav-number{font-size:11px;font-weight:900;letter-spacing:1px;display:block;margin-top:9px;opacity:.68}.nav-card b{font-size:24px;display:block;margin:4px 0}.nav-card small{color:var(--muted);font-size:15px;display:block;min-height:38px}.nav-card i{font-style:normal;font-weight:900;font-size:14px;display:block;margin-top:10px}.learn{border-bottom:7px solid var(--purple)}.learn:before{background:var(--purple)}.learn i{color:var(--purple)}.practice{border-bottom:7px solid var(--blue)}.practice:before{background:var(--blue)}.practice i{color:var(--blue)}.mistakes{border-bottom:7px solid var(--yellow)}.mistakes:before{background:var(--yellow)}.mistakes i{color:#b27a05}.exam{border-bottom:7px solid var(--green)}.exam:before{background:var(--green)}.exam i{color:var(--green)}.stats{padding:22px}.stats-title{display:flex;gap:12px;align-items:center;margin-bottom:14px}.stats-title>span{font-size:34px}.stats h3{margin:0;font-size:22px}.stats-title p{margin:3px 0 0;color:var(--muted);font-size:14px}.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.stats-row div{background:#faf8ff;border-radius:20px;padding:18px;text-align:center;border:1px solid #eee9f7}.stat-icon{font-size:26px!important;display:block!important;margin-bottom:5px}.stats-row strong{font-size:31px;display:block;color:var(--purple)}.stats-row span{font-size:14px;color:var(--muted)}.screen-head{display:flex;align-items:center;gap:14px;margin:4px 0 18px;background:#ffffffb8;backdrop-filter:blur(8px);padding:12px;border-radius:22px}.screen-head h2{margin:0;font-size:32px}.screen-head p{margin:3px 0;color:var(--muted)}.section-kicker{font-size:11px!important;font-weight:900;letter-spacing:1px;color:var(--purple)!important}.section-kicker.blue{color:var(--blue)!important}.section-kicker.yellow{color:#a66f00!important}.section-kicker.green{color:var(--green)!important}.back{border:0;background:white;width:52px;height:52px;border-radius:17px;font-size:27px;box-shadow:0 5px 14px #00000012;cursor:pointer;border:2px solid #eee8f5}.lesson-list{display:grid;gap:15px;counter-reset:lesson}.lesson{padding:22px;position:relative;overflow:hidden}.lesson:before{counter-increment:lesson;content:counter(lesson);position:absolute;right:18px;top:14px;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--purpleL);color:var(--purpleD);font-weight:900}.lesson-top{display:flex;justify-content:space-between;gap:20px}.lesson h3{margin:0 56px 8px 0;font-size:24px;color:var(--purpleD)}.lesson p{margin:7px 0;line-height:1.55;font-size:18px}.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:13px}.chip{background:var(--purpleL);color:#50307d;padding:7px 11px;border-radius:999px;font-weight:800;border:1px solid #dfd3f5}.learn-btn{border:0;border-radius:16px;padding:13px 17px;font-weight:900;cursor:pointer;background:#efe8fb;color:#56358b;white-space:nowrap;align-self:flex-start;box-shadow:0 5px 12px #6f4aa81c}.learn-btn.done{background:var(--greenL);color:#19774b}.quiz-box{padding:26px;min-height:390px;background:linear-gradient(#fff,#fdfcff)}.q-progress{display:inline-block;font-weight:900;color:var(--purple);margin-bottom:12px;background:var(--purpleL);padding:7px 11px;border-radius:999px}.q-title{font-size:29px;margin:8px 0 20px;line-height:1.25}.answers{display:grid;gap:12px}.answer{border:2px solid #e7e0f0;background:white;border-radius:19px;padding:17px 18px;text-align:left;font-size:19px;cursor:pointer;box-shadow:0 4px 12px #4739650d;transition:.15s}.answer:hover{border-color:#bba7da;transform:translateX(2px)}.answer:before{content:"○";font-weight:900;margin-right:9px;color:#b3a7c2}.answer.correct{border-color:#2ba36b;background:#e7f7ef}.answer.correct:before{content:"✓";color:#258a5d}.answer.wrong{border-color:#d64b4b;background:#fdecec}.answer.wrong:before{content:"×";color:#c33e3e}.feedback{margin-top:16px;padding:15px 16px;border-radius:16px;font-weight:800}.feedback.ok{background:#e7f7ef;color:#19774b}.feedback.bad{background:#fdecec;color:#a63333}.next-btn,.start-btn,.reset-btn{margin-top:18px;border:0;border-radius:17px;padding:15px 20px;background:linear-gradient(135deg,var(--purple),#9470dd);color:white;font-weight:900;cursor:pointer;box-shadow:0 7px 16px #6f4aa82b}.result{text-align:center;padding:26px}.result .big{font-size:72px;animation:pop .35s ease-out}.result h3{font-size:34px;margin:7px 0}.result p{font-size:18px;color:var(--muted)}@keyframes pop{from{transform:scale(.55);opacity:.2}to{transform:scale(1);opacity:1}}footer{text-align:center;color:var(--muted);padding:18px 12px 24px;display:flex;justify-content:center;gap:9px;flex-wrap:wrap;font-weight:700}
@media(max-width:850px){.grid4{grid-template-columns:repeat(2,1fr)}.mission{grid-template-columns:1fr}.hero-world{width:155px;height:145px;flex-basis:155px}.planet{font-size:82px}.orbit{width:48px;height:48px;font-size:28px}.stats-row{grid-template-columns:1fr}.shell{padding:14px}.lesson-top{flex-direction:column}.learn-btn{align-self:flex-start}.progress-pill{display:none}}
@media(max-width:570px){.topbar{padding:13px 14px}.mascot{width:44px;height:44px;font-size:25px}.topbar h1{font-size:19px}.eyebrow{font-size:11px}.hero{padding:22px 19px}.hero-world{display:none}.hero p{font-size:16px}.mini-route{font-size:12px}.grid4{gap:11px}.nav-card{min-height:180px;padding:17px 14px}.nav-emoji{font-size:38px}.nav-card b{font-size:20px}.nav-card small{font-size:13px}.mission{padding:15px}.track-points span{width:38px;height:38px}.q-title{font-size:24px}.answer{font-size:17px}.screen-head h2{font-size:27px}}
.subject-grid,.theme-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:22px 0}.subject-card,.theme-card{border:0;border-radius:28px;padding:28px;text-align:left;box-shadow:0 10px 26px rgba(51,45,90,.12);cursor:pointer;min-height:210px;display:flex;flex-direction:column;gap:10px}.subject-card b,.theme-card b{font-size:1.45rem}.subject-card small,.theme-card small{font-size:1rem;line-height:1.4}.subject-card i,.theme-card i{margin-top:auto;font-style:normal;font-weight:800}.subject-emoji,.theme-emoji{font-size:3.2rem}.subject-card.social{background:linear-gradient(135deg,#dff5ff,#eef1ff)}.subject-card.natural{background:linear-gradient(135deg,#e7ffe8,#f5fff3)}.subject-card.disabled,.theme-card.locked{opacity:.55;cursor:not-allowed}.theme-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.theme-card{background:#fff}.active-theme{outline:4px solid rgba(119,86,201,.18)}.theme-number{font-size:.78rem;font-weight:900;letter-spacing:.08em;color:#7756c9}.compact-head{margin-bottom:16px}@media(max-width:760px){.subject-grid,.theme-grid{grid-template-columns:1fr}.subject-card,.theme-card{min-height:170px;padding:22px}}
/* v2.1: lectura inicial y memoria */
.easy-lesson{text-align:center;padding:28px 22px}.easy-lesson:before{display:none}.easy-icon{font-size:76px;line-height:1}.easy-word{display:inline-block;margin:12px 0 5px;padding:8px 15px;border-radius:14px;background:var(--purpleL);color:var(--purpleD);font-size:25px;font-weight:950;letter-spacing:.5px}.easy-lesson h3{margin:8px 0 14px;font-size:30px}.easy-lesson p{margin:8px auto;max-width:700px;font-size:24px;line-height:1.35;font-weight:750}.memory-line{margin:20px auto 8px;max-width:700px;background:#fff5d7;border:2px solid #f4d678;border-radius:18px;padding:15px;font-size:21px;font-weight:900}.lesson-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:18px}.listen-btn,.speak-q{border:0;border-radius:17px;padding:15px 20px;background:var(--blueL);color:#245f9f;font-weight:900;cursor:pointer;font-size:18px}.learn-btn{font-size:18px}.speak-q{margin:0 0 12px}.q-title{font-size:32px;text-align:center}.answers{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.answer{text-align:center;font-size:23px;font-weight:850;min-height:82px}.answer:before{display:none}.feedback{text-align:center;font-size:20px}.next-btn,.start-btn{font-size:19px;min-height:54px}.quiz-box{text-align:center}@media(max-width:570px){.easy-icon{font-size:64px}.easy-word{font-size:21px}.easy-lesson p{font-size:21px}.memory-line{font-size:18px}.answers{grid-template-columns:1fr}.answer{font-size:20px}.q-title{font-size:27px}}
/* v2.3: misión diaria, tiempo activo y recompensas */
.top-pills{display:flex;align-items:center;gap:10px}.study-pill{background:#fff;color:#5d439e;padding:10px 14px;border-radius:999px;font-weight:900;white-space:nowrap;box-shadow:0 4px 12px #422f7424}.daily-card{display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;padding:24px;margin:20px 0;background:linear-gradient(135deg,#fff8df,#fff,#e9f8ff);border-color:#f4dda0}.daily-hero-icon{width:82px;height:82px;display:grid;place-items:center;border-radius:25px;background:#fff3c6;font-size:45px;box-shadow:0 8px 18px #8b6a1b19}.daily-kicker{display:block;font-weight:950;letter-spacing:1px;font-size:12px;color:#b77d00}.daily-copy h3{font-size:27px;margin:3px 0 7px}.daily-copy p{margin:0;color:var(--muted);font-size:16px}.reward-scale{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.reward-scale span{padding:7px 10px;border-radius:999px;background:#fff;border:1px solid #f0dfa9;font-size:13px;font-weight:850}.daily-progress-wrap{display:flex;align-items:center;gap:14px}.daily-ring{--p:0deg;width:108px;height:108px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--green) var(--p),#e9e5ef 0);position:relative}.daily-ring:after{content:"";position:absolute;inset:9px;border-radius:50%;background:white}.daily-ring>div{position:relative;z-index:1;text-align:center}.daily-ring strong{display:block;font-size:31px;color:var(--purpleD)}.daily-ring small{display:block;font-weight:800;color:var(--muted)}.daily-start{border:0;border-radius:18px;padding:15px 18px;background:linear-gradient(135deg,#2cab72,#53c990);color:#fff;font-weight:950;cursor:pointer;box-shadow:0 7px 16px #2cab7230;white-space:nowrap}.reward-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:0 0 20px}.reward-summary>div{background:#fff;border:2px solid #eee8f5;border-radius:20px;padding:14px;text-align:center}.reward-summary strong{display:block;font-size:22px;color:var(--purpleD);margin:2px 0}.reward-summary span{font-size:12px;color:var(--muted);font-weight:750}.daily-session{padding:20px}.session-bar{display:flex;justify-content:space-between;gap:12px;align-items:center}.session-bar div{background:#f8f6ff;border-radius:18px;padding:13px 16px;min-width:180px}.session-bar span{display:block;color:var(--muted);font-size:12px;font-weight:800}.session-bar strong{font-size:21px}.time-track{height:15px;background:#ece7f4;border-radius:999px;overflow:hidden;margin:16px 0}.time-track span{display:block;height:100%;width:0;background:linear-gradient(90deg,#60a5fa,#34d399,#f5c14b);border-radius:inherit;transition:width .4s}.daily-quiz{box-shadow:none;border:0;padding:20px 5px 5px;min-height:350px}.daily-subject-badge{display:inline-block;padding:8px 12px;border-radius:999px;background:var(--blueL);font-weight:900;color:#2d64a2;margin-bottom:8px}.daily-done{padding:28px;text-align:center}.daily-done .big{font-size:80px}.daily-done h3{font-size:34px;margin:8px 0}.daily-done .prize{font-size:28px;font-weight:950;color:var(--green);background:var(--greenL);padding:14px;border-radius:18px;margin:16px auto;max-width:420px}.confetti{font-size:34px;letter-spacing:6px;margin:8px 0}
@media(max-width:850px){.top-pills{gap:6px}.daily-card{grid-template-columns:auto 1fr}.daily-progress-wrap{grid-column:1/-1;justify-content:center}.reward-summary{grid-template-columns:1fr 1fr 1fr}.session-bar{align-items:stretch}.study-pill{font-size:13px}}
@media(max-width:570px){.top-pills .progress-pill{display:none}.study-pill{padding:8px 10px}.daily-card{grid-template-columns:1fr;text-align:center}.daily-hero-icon{margin:auto}.daily-progress-wrap{flex-direction:column}.reward-scale{justify-content:center}.reward-summary{grid-template-columns:1fr}.session-bar{flex-direction:column}.session-bar div{min-width:0}.daily-copy h3{font-size:23px}}

/* v2.4: monedas, cofres y personajes */
.coin-pill{background:#fff7cf;color:#8a6500;padding:10px 14px;border-radius:999px;font-weight:950;white-space:nowrap;box-shadow:0 4px 12px #6f551524}.game-hub{padding:22px;margin:20px 0;background:linear-gradient(135deg,#fff,#fff9dc,#f4edff);border-color:#eedc9c}.game-hub-head{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center}.avatar-big{width:92px;height:92px;border-radius:28px;display:grid;place-items:center;font-size:56px;background:#fff;border:3px solid #f0e4b7;box-shadow:0 8px 18px #8b6a1b19}.game-hub-head h3{font-size:25px;margin:3px 0 6px}.game-hub-head p{margin:0;color:var(--muted)}.collection-btn{border:0;border-radius:18px;padding:14px 17px;background:linear-gradient(135deg,#8b6de0,#6d4ec2);color:#fff;font-weight:950;cursor:pointer}.game-mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}.game-mini-stats>div{background:#fff;border:2px solid #eee8f5;border-radius:18px;padding:12px;text-align:center}.game-mini-stats strong{display:block;font-size:22px;color:var(--purpleD)}.game-mini-stats span{font-size:12px;color:var(--muted);font-weight:800}.collection-card{padding:22px}.chest-zone{display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center}.chest-icon{font-size:72px}.chest-zone h3{margin:0 0 6px;font-size:27px}.chest-zone p{margin:0 0 10px;color:var(--muted)}.chest-track{height:14px;background:#ece7f4;border-radius:999px;overflow:hidden}.chest-track span{display:block;height:100%;width:0;background:linear-gradient(90deg,#f7c943,#f3a93b);border-radius:inherit;transition:width .35s}.open-chest{border:0;border-radius:18px;padding:15px 18px;background:#d9d3e4;color:#7c7686;font-weight:950}.open-chest.ready{background:linear-gradient(135deg,#f1b92e,#f58e2b);color:#fff;cursor:pointer;box-shadow:0 7px 16px #d18c1d30}.chest-result{min-height:28px;text-align:center;font-size:22px;font-weight:900;margin-top:14px}.character-section{padding:22px;margin-top:18px}.character-title{display:flex;gap:12px;align-items:center}.character-title>span{font-size:42px}.character-title h3{margin:0;font-size:25px}.character-title p{margin:3px 0 0;color:var(--muted)}.character-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:18px}.character-card{border:2px solid #ece6f5;background:#fff;border-radius:22px;padding:16px 10px;text-align:center;cursor:pointer}.character-card.locked{opacity:.38;filter:grayscale(1);cursor:not-allowed}.character-card.selected{border-color:#8a6be0;background:#f4efff;box-shadow:0 0 0 3px #e1d7ff}.character-card .char-emoji{display:block;font-size:52px}.character-card b{display:block;margin-top:7px}.coin-pop{animation:coinpop .55s ease}@keyframes coinpop{0%{transform:scale(.8)}60%{transform:scale(1.18)}100%{transform:scale(1)}}
@media(max-width:760px){.game-hub-head,.chest-zone{grid-template-columns:1fr;text-align:center}.avatar-big{margin:auto}.game-mini-stats{grid-template-columns:1fr 1fr 1fr}.character-grid{grid-template-columns:repeat(2,1fr)}.collection-btn{justify-self:center}}
@media(max-width:570px){.coin-pill{font-size:13px;padding:8px 10px}.game-mini-stats{grid-template-columns:1fr}.character-grid{grid-template-columns:repeat(2,1fr)}}

/* v2.5 tienda de premios */
.reward-wallet{text-align:center;padding:22px}.reward-wallet .big{font-size:48px}.reward-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:18px 0}.reward-card{text-align:center;padding:20px;position:relative}.reward-card.reward-goal{outline:4px solid #ffd54f}.reward-icon{font-size:52px}.reward-cat{font-size:12px;font-weight:900;letter-spacing:.08em;opacity:.65;text-transform:uppercase}.reward-cost{display:inline-block;font-size:24px;margin:8px}.reward-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.reward-actions button{border:0;border-radius:14px;padding:11px 12px;font-weight:800;cursor:pointer}.goal-btn{background:#fff2b8}.redeem-btn{background:#dff6df}.redeem-btn:disabled{opacity:.45}.saving-goal{margin-top:10px;padding:12px;border-radius:14px;background:#f5f1ff}.parent-zone{padding:20px;margin-top:18px}.reward-history p{margin:7px 0}.parent-zone .start-btn{max-width:280px}

/* v2.6 - aventura infantil visual */
:root{--sky:#72ccff;--navy:#10275f;--softblue:#eaf8ff;--sun:#ffd34e;--coral:#ff6574;--mint:#4fd39b}
body{background:linear-gradient(#74d1ff 0 170px,#dff7ff 410px,#f8fbff 760px);color:var(--navy)}
body:before{content:"";position:fixed;inset:92px 0 0;z-index:-1;pointer-events:none;background:radial-gradient(circle at 8% 14%,#fff 0 34px,transparent 36px),radial-gradient(circle at 91% 20%,#fff 0 42px,transparent 44px),linear-gradient(165deg,transparent 0 70%,#c9f1c5 70% 76%,#8ed982 76% 100%);opacity:.75}
.sky-decor{display:none}.topbar{background:#fff;color:var(--navy);border:0;border-radius:0 0 28px 28px;padding:12px max(18px,calc((100vw - 1220px)/2));box-shadow:0 8px 24px #266d9d28;gap:20px}.brand-row{min-width:250px}.mascot{background:#ffe477;box-shadow:none}.brand-row h1{font-weight:950}.brand-slogan{display:block;color:#65728d;font-weight:800}.eyebrow{color:#6b7894}.kid-nav{display:flex;gap:7px;background:#f2f8ff;border-radius:24px;padding:6px}.kid-nav button{border:0;background:transparent;border-radius:18px;padding:10px 14px;font-weight:950;color:var(--navy);cursor:pointer}.kid-nav button:first-child{background:#3b91ff;color:white;box-shadow:0 5px 12px #3b91ff35}.top-pills{margin-left:auto}.study-pill,.coin-pill,.progress-pill{box-shadow:none;border:2px solid #dcecff}.shell{max-width:1220px}.card{border:3px solid #ffffffcc;box-shadow:0 10px 26px #276b9630}.adventure-hero{min-height:300px;padding:30px 34px;display:grid;grid-template-columns:1.35fr .65fr;gap:20px;background:linear-gradient(135deg,#ffffffed,#eaf8ffff);overflow:hidden;position:relative}.adventure-hero:before{content:"🌳";position:absolute;left:-25px;bottom:-40px;font-size:160px;opacity:.3}.adventure-copy{position:relative;z-index:1}.adventure-copy h2{font-size:48px;margin:4px 0}.adventure-copy p{font-size:22px;max-width:650px}.hero-clock{margin-top:22px;background:#fff;border:4px solid #d8efff;border-radius:28px;display:flex;align-items:center;gap:18px;padding:12px 18px;max-width:470px}.hero-clock span{font-size:50px}.hero-clock strong{font-size:52px;letter-spacing:2px}.hero-clock button{margin-left:auto;border:0;width:70px;height:70px;border-radius:22px;background:linear-gradient(#58dc76,#2eb75a);color:white;font-size:32px;cursor:pointer;box-shadow:0 7px 0 #249849}.hero-time-track{height:16px;background:#d9eaf3;border-radius:99px;max-width:470px;margin-top:12px;overflow:hidden}.hero-time-track span{display:block;width:0;height:100%;background:linear-gradient(90deg,#37bfff,#53d477)}.treasure-scene{display:flex;flex-direction:column;justify-content:center;align-items:center;position:relative}.treasure{font-size:120px;filter:drop-shadow(0 12px 8px #75570025)}.sparkles{font-size:35px}.treasure-scene b{background:#ffd64f;padding:10px 18px;border-radius:18px;font-size:22px;transform:rotate(-3deg)}.subject-strip{padding:20px;margin-top:16px;background:#ffffffef}.strip-head{display:flex;justify-content:space-between;align-items:end}.strip-head h3{font-size:24px;margin:0}.strip-head small{font-weight:800;color:#74809a}.all-subjects{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-top:15px}.subject-tile{border:0;border-radius:24px;min-height:165px;padding:15px 8px;cursor:pointer;color:var(--navy);box-shadow:0 7px 0 #00000013;transition:.15s}.subject-tile:hover{transform:translateY(-4px)}.subject-tile span{display:block;font-size:48px}.subject-tile b{display:block;font-size:18px;line-height:1.05;margin:8px 0}.subject-tile small{font-weight:900}.subject-tile.social{background:linear-gradient(#6ee6ba,#41ca9a)}.subject-tile.natural{background:linear-gradient(#b9ef69,#88dc4f)}.subject-tile.math{background:linear-gradient(#ffe177,#ffc956)}.subject-tile.language{background:linear-gradient(#ff8d99,#ff6574)}.subject-tile.english{background:linear-gradient(#72c9ff,#51a9f6)}.subject-tile.music{background:linear-gradient(#c894ff,#a86be9)}.locked-subject{opacity:.72;filter:saturate(.7)}.dashboard-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:16px 0}.reward-panel{padding:20px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:15px}.panel-icon{font-size:55px}.reward-panel small{font-weight:950;letter-spacing:.08em}.reward-panel strong{display:block;font-size:30px;margin:4px 0}.reward-panel p{margin:0;color:#60708c;font-weight:750}.reward-panel button{border:0;border-radius:16px;padding:10px 12px;background:#fff;font-weight:900;color:var(--navy);cursor:pointer}.coins-panel{background:linear-gradient(135deg,#ffe46b,#ffc83e)}.goal-panel{background:linear-gradient(135deg,#edf7ff,#fff)}.streak-panel{background:linear-gradient(135deg,#fff,#fff0e8)}.mini-progress{height:10px;background:#dbe7ef;border-radius:99px;overflow:hidden;margin:7px 0}.mini-progress span{display:block;height:100%;width:0;background:#4e9cff}.action-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.action-card{border:3px solid #fff;border-radius:26px;padding:20px;display:grid;grid-template-columns:auto 1fr;gap:15px;text-align:left;cursor:pointer;box-shadow:0 10px 24px #276b9624;color:var(--navy)}.action-card>span{font-size:55px}.action-card b{display:block;font-size:22px}.action-card small{font-size:15px;line-height:1.35}.action-card i{grid-column:2;font-style:normal;font-weight:950}.action-card.shop{background:#fff4cc}.action-card.progress{background:#e8fff1}.action-card.review{background:#f4eaff}.collection-preview{margin-top:16px;padding:18px 22px;background:linear-gradient(135deg,#dfe6ff,#cdd9ff);display:flex;justify-content:space-between;align-items:center}.collection-preview>div{display:flex;align-items:center;gap:15px}.collection-avatar{font-size:62px}.collection-preview h3{margin:3px 0}.collection-preview p{margin:0}.collection-preview button{border:0;border-radius:16px;padding:13px 16px;background:#536ee8;color:white;font-weight:900;cursor:pointer}.hidden-compat{display:none!important}
.screen-head{border:3px solid #fff;background:#ffffffed}.theme-card,.nav-card,.quiz-box,.lesson{border:3px solid #fff!important}.theme-card{box-shadow:0 9px 22px #276b9620}.nav-card{box-shadow:0 9px 22px #276b9620}
@media(max-width:1000px){.kid-nav span{display:none}.brand-slogan{display:none}.all-subjects{grid-template-columns:repeat(3,1fr)}.dashboard-grid,.action-grid{grid-template-columns:1fr 1fr}.streak-panel{grid-column:1/-1}.adventure-hero{grid-template-columns:1fr .45fr}}
@media(max-width:650px){.topbar{flex-wrap:wrap}.brand-row{min-width:0}.kid-nav{order:3;width:100%;justify-content:space-around}.top-pills .progress-pill{display:none}.adventure-hero{grid-template-columns:1fr;padding:22px}.treasure-scene{display:none}.adventure-copy h2{font-size:36px}.adventure-copy p{font-size:18px}.hero-clock strong{font-size:40px}.all-subjects{grid-template-columns:repeat(2,1fr)}.dashboard-grid,.action-grid{grid-template-columns:1fr}.streak-panel{grid-column:auto}.strip-head{display:block}.subject-tile{min-height:145px}.reward-panel{grid-template-columns:auto 1fr}.reward-panel button{grid-column:1/-1}.collection-preview{align-items:flex-start;gap:10px;flex-direction:column}.shell{padding:10px}}

/* v2.7 - refuerzo visual y antirregresión */
html,body{min-height:100%;}
button{font:inherit;-webkit-appearance:none;appearance:none}
body{margin:0;overflow-x:hidden;background:
  radial-gradient(circle at 12% 16%,rgba(255,255,255,.95) 0 42px,transparent 44px),
  radial-gradient(circle at 88% 22%,rgba(255,255,255,.9) 0 50px,transparent 52px),
  linear-gradient(180deg,#69cfff 0 33%,#dff7ff 33% 68%,#d8f6cf 68% 100%);
}
.topbar{position:sticky;top:0;z-index:50;background:linear-gradient(90deg,#5f4ad6,#6a61df 48%,#5578e7);color:#fff;border-radius:0 0 28px 28px;}
.brand-row h1,.brand-slogan,.eyebrow{color:#fff}
.kid-nav{background:rgba(255,255,255,.96);box-shadow:0 8px 20px rgba(33,67,145,.18)}
.kid-nav button{min-height:48px;color:#1a2d69}
.kid-nav button:first-child{background:linear-gradient(180deg,#58a8ff,#318bf6)}
.study-pill,.coin-pill,.progress-pill{background:rgba(255,255,255,.13);color:#fff;border-color:rgba(255,255,255,.28);backdrop-filter:blur(5px)}
.shell{padding-top:20px;padding-bottom:40px}
.adventure-hero{border-radius:32px;background:linear-gradient(135deg,rgba(255,255,255,.98),rgba(240,250,255,.95));}
.adventure-hero:after{content:"🏰";position:absolute;right:13%;bottom:-20px;font-size:120px;opacity:.16;z-index:0}
.adventure-copy h2{color:#173d95;text-shadow:0 2px 0 #fff}
.kicker{display:inline-block;background:#ffe76a;color:#6e4d00;padding:8px 14px;border-radius:14px;font-weight:1000;letter-spacing:.03em;box-shadow:0 4px 0 #e1b83a}
.hero-clock{box-shadow:inset 0 0 0 2px #fff,0 8px 20px #3e91c52a}
.subject-strip,.collection-preview,.reward-panel,.action-card{border-radius:28px}
.subject-tile{position:relative;overflow:hidden;border:3px solid rgba(255,255,255,.8)!important;box-shadow:0 8px 0 rgba(22,46,96,.08),0 12px 24px rgba(44,91,156,.12)!important}
.subject-tile:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.45),transparent 42%);pointer-events:none}
.subject-tile b{font-size:19px}.subject-tile small{font-size:14px}
.subject-tile:not(.locked-subject):active{transform:translateY(2px)}
.reward-panel,.action-card,.collection-preview{box-shadow:0 12px 26px rgba(49,88,145,.16)}
.reward-panel button,.collection-preview button,.action-card i{font-size:15px}
.action-card i{display:inline-block;background:rgba(255,255,255,.75);padding:9px 12px;border-radius:14px;justify-self:start}
.screen-head{border-radius:26px;padding:20px;box-shadow:0 10px 24px rgba(49,88,145,.14)}
.theme-card,.nav-card{border-radius:28px!important;min-height:210px}
.theme-card b,.nav-card b{font-size:24px}
.start-btn,.open-chest,.reward-actions button{min-height:46px;border-radius:16px;font-weight:900}
@media(min-width:1100px){.shell{max-width:1260px}.adventure-hero{min-height:320px}.subject-tile{min-height:178px}}
@media(max-width:900px){.topbar{position:relative}.adventure-copy h2{font-size:42px}.hero-clock strong{font-size:46px}}
@media(max-width:650px){.topbar{border-radius:0 0 22px 22px}.kid-nav button{padding:10px}.adventure-copy h2{font-size:34px}.hero-clock{max-width:none}.hero-clock strong{font-size:38px}.subject-tile b{font-size:17px}}

/* v2.15 · colección por aciertos */
.character-section .character-progress-hint{margin:8px 0 16px;padding:10px 14px;border-radius:14px;background:#fff7d6;color:#5d4b00;font-weight:800;text-align:center}
.character-card{min-height:150px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px}
.character-card .char-emoji{font-size:3.1rem;line-height:1}
.character-card small{font-size:.82rem;opacity:.85}
.character-card.locked{opacity:.72;filter:none;background:linear-gradient(180deg,#f4f1fb,#e7e1f4)}
.character-card.selected{outline:4px solid #ffd84f;box-shadow:0 8px 24px rgba(255,196,0,.28)}

/* v2.16 niveles y personajes más visibles */
.difficulty-picker{max-width:1010px;margin:0 auto 16px;padding:16px 20px;text-align:center}.difficulty-picker>div{display:flex;gap:12px;justify-content:center;margin:12px 0}.difficulty-btn{border:2px solid #d8d8ef;background:#fff;border-radius:18px;padding:13px 24px;font-weight:900;font-size:17px;color:#17316d;box-shadow:0 5px 12px #263b6a18}.difficulty-btn.active{border-color:#5d4ee8;box-shadow:0 0 0 4px #7667ff22;transform:translateY(-2px)}
.character-card.locked{opacity:.82!important;filter:none!important;background:#f4f0ff!important;color:#25366c!important;border:2px solid #d9cff5!important}.character-card.locked .char-emoji{filter:none!important;opacity:1!important}.character-card.locked b,.character-card.locked small{opacity:1!important;color:#5c5b7a!important}
@media(max-width:700px){.difficulty-picker>div{flex-direction:column}.difficulty-btn{width:100%}}

.character-card{position:relative}.char-lock{position:absolute;right:12px;top:10px;font-size:22px}.character-card.locked .char-emoji{font-size:46px!important}