:root {
  --violeta:#7c3aed;
  --rosa:#ec4899;
  --celeste:#38bdf8;
  --verde:#22c55e;
  --amarillo:#facc15;
  --texto:#1f2937;
  --suave:#fff7ed;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--texto);
  background:linear-gradient(135deg,#fef3c7,#fce7f3,#dbeafe,#dcfce7);
  min-height:100vh;
  overflow-x:hidden;
}
.bg-bubbles::before,.bg-bubbles::after{
  content:"";position:fixed;border-radius:50%;filter:blur(6px);opacity:.32;z-index:-1;
}
.bg-bubbles::before{width:260px;height:260px;background:#fb7185;top:4%;left:-80px}
.bg-bubbles::after{width:320px;height:320px;background:#38bdf8;right:-100px;bottom:5%}
a{text-decoration:none;color:inherit}
.hero{text-align:center;padding:54px 18px 28px;max-width:920px;margin:auto}
.brand-badge{display:inline-flex;gap:8px;align-items:center;background:white;border:3px solid rgba(124,58,237,.25);padding:10px 18px;border-radius:999px;font-weight:900;color:var(--violeta);box-shadow:0 8px 18px rgba(0,0,0,.08)}
h1{font-size:clamp(38px,8vw,78px);line-height:.95;margin:22px 0 12px;color:#6d28d9;text-shadow:2px 3px 0 #fde68a}
.hero p{font-size:clamp(17px,3vw,23px);max-width:680px;margin:0 auto 24px;font-weight:700;color:#475569}
.main-btn,.back-btn,.primary-btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:22px;padding:14px 22px;background:linear-gradient(135deg,var(--violeta),var(--rosa));color:#fff;font-size:18px;font-weight:900;box-shadow:0 10px 20px rgba(124,58,237,.24);cursor:pointer}
.games-grid{max-width:1120px;margin:0 auto;padding:20px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.game-card{background:rgba(255,255,255,.86);border:3px solid rgba(255,255,255,.9);border-radius:30px;padding:22px;min-height:190px;box-shadow:0 14px 28px rgba(15,23,42,.12);transition:.18s transform,.18s box-shadow;display:flex;flex-direction:column;justify-content:center}
.game-card:hover{transform:translateY(-5px) scale(1.02);box-shadow:0 18px 35px rgba(15,23,42,.18)}
.game-card span{font-size:48px}.game-card h2{margin:10px 0 6px;font-size:25px}.game-card p{margin:0;color:#64748b;font-weight:700}
footer{text-align:center;font-weight:800;color:#64748b;padding:28px 12px 40px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 18px;max-width:1100px;margin:auto}.topbar h1{font-size:34px;margin:0;text-shadow:none}.activity{max-width:1000px;margin:0 auto;padding:15px 18px 40px;text-align:center}.panel{background:rgba(255,255,255,.9);border-radius:30px;padding:22px;box-shadow:0 14px 28px rgba(15,23,42,.12);border:3px solid white}.big-display{font-size:clamp(70px,18vw,150px);font-weight:1000;color:var(--violeta);line-height:1}.subtitle{font-size:24px;font-weight:900;color:#475569}.controls{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:18px}.option-btn{border:0;border-radius:22px;background:#fff;color:#334155;padding:16px 20px;font-size:20px;font-weight:1000;box-shadow:0 8px 18px rgba(15,23,42,.12);cursor:pointer;min-width:90px}.option-btn:hover{transform:scale(1.04)}.message{font-size:24px;font-weight:1000;margin-top:18px;min-height:34px}.ok{color:#16a34a}.bad{color:#ef4444}.cards-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:14px;margin-top:18px}.mini-card{background:#fff;border-radius:24px;padding:18px;font-size:40px;font-weight:1000;box-shadow:0 8px 18px rgba(15,23,42,.1);cursor:pointer}.paint-tools{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:12px}.color-dot{width:42px;height:42px;border-radius:50%;border:4px solid white;box-shadow:0 5px 12px rgba(0,0,0,.2);cursor:pointer}.canvas-wrap{background:white;border-radius:24px;padding:10px;box-shadow:inset 0 0 0 3px #e2e8f0}canvas{width:100%;height:420px;border-radius:18px;touch-action:none;background:#fff}.memory-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;max-width:560px;margin:18px auto}.memory-card{height:95px;border-radius:22px;border:0;background:#a78bfa;font-size:42px;cursor:pointer;box-shadow:0 7px 12px rgba(0,0,0,.12)}.memory-card.done{background:#bbf7d0}.shape{width:120px;height:120px;margin:auto;background:#38bdf8}.circle{border-radius:50%}.square{border-radius:18px}.triangle{width:0;height:0;background:transparent;border-left:70px solid transparent;border-right:70px solid transparent;border-bottom:120px solid #f97316}.star{font-size:110px;line-height:1;color:#facc15}
@media(max-width:900px){.games-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:540px){.games-grid{grid-template-columns:1fr;padding:14px}.topbar{flex-direction:column}.back-btn{width:100%}.panel{padding:16px}.memory-grid{grid-template-columns:repeat(3,1fr)}canvas{height:360px}}