*{
  box-sizing:border-box;
}

body{
  margin:0;
  min-height:100vh;
  font-family:Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top,#1d4ed8 0,#020617 42%),
    #020617;
  color:white;
}

.app{
  width:min(1100px,94vw);
  margin:auto;
  padding:24px 0;
}

.hero{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  margin-bottom:22px;
}

.brand{
  display:flex;
  align-items:center;
  gap:14px;
}

.logo{
  width:58px;
  height:58px;
  border-radius:18px;
  display:grid;
  place-items:center;
  background:#1e293b;
  font-size:32px;
  box-shadow:0 12px 35px #0007;
}

h1{
  margin:0;
  font-size:36px;
  line-height:1;
}

p{
  margin:8px 0 0;
  color:#bfdbfe;
}

.toolbar{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

select,
button{
  border:0;
  border-radius:16px;
  padding:14px 16px;
  background:#1e293b;
  color:white;
  font-weight:900;
  cursor:pointer;
  font-size:15px;
}

button:hover,
select:hover{
  filter:brightness(1.12);
}

.lesson{
  display:grid;
  place-items:center;
}

.visual-card{
  width:min(760px,100%);
  background:rgba(15,23,42,.94);
  border:1px solid #334155;
  border-radius:34px;
  padding:22px;
  box-shadow:0 30px 80px #0009;
  position:relative;
}

.category{
  display:inline-flex;
  padding:8px 12px;
  border-radius:999px;
  background:#0f172a;
  border:1px solid #334155;
  color:#93c5fd;
  font-weight:900;
  font-size:13px;
  margin-bottom:16px;
}

.image-stage{
  height:auto;
  aspect-ratio:16/9;
  border-radius:30px;
  background:#0f172a;
  display:block;
  overflow:hidden;
  margin-bottom:18px;
  padding:0;
}

.emoji-img{
  width:100%;
  height:100%;
  display:block;
}

.emoji-img img{
  width:100%;
  height:100%;
  max-width:none;
  max-height:none;
  object-fit:contain;
  object-position:center center;
  filter:none;
  display:block;
}

.phrase-main{
  text-align:center;
  font-size:72px;
  font-weight:1000;
  color:#facc15;
  line-height:1;
  letter-spacing:1px;
  text-shadow:0 8px 30px #000;
  margin:8px 0 22px;
}

.hidden-info{
  display:flex;
  gap:10px;
  justify-content:center;
  flex-wrap:wrap;
  margin-bottom:14px;
}

.info-box{
  background:#020617;
  border:1px solid #334155;
  border-radius:18px;
  padding:14px;
  text-align:center;
  margin-bottom:10px;
}

.info-box span{
  display:block;
  color:#60a5fa;
  text-transform:uppercase;
  letter-spacing:.08em;
  font-size:12px;
  font-weight:900;
  margin-bottom:6px;
}

.info-box strong{
  font-size:26px;
}

.oculto{
  display:none;
}

.actions{
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  gap:12px;
  margin-top:16px;
}

.primary{
  background:#22c55e;
  color:#052e16;
}

.progress-wrap{
  height:12px;
  background:#1e293b;
  border-radius:999px;
  overflow:hidden;
  margin-top:18px;
}

#progressBar{
  height:100%;
  width:0%;
  background:#22c55e;
}

.counter{
  text-align:center;
  color:#93c5fd;
  font-weight:900;
  margin-top:10px;
  font-size:13px;
}

body.auto .hero,
body.auto .counter{
  display:none !important;
}

body.auto .app{
  width:min(800px,96vw);
  padding:12px 0;
}

body.auto .visual-card{
  margin-top:20px;
}

body.auto .image-stage{
  height:48vh;
}

body.auto .phrase-main{
  font-size:min(16vw,120px);
}

@media(max-width:720px){
  .hero{
    flex-direction:column;
    align-items:flex-start;
  }

  h1{
    font-size:30px;
  }

  .toolbar{
    width:100%;
  }

  select,
  .toolbar button{
    flex:1;
  }

  .image-stage{
    height:auto;
    aspect-ratio:16/9;
  }

  .emoji-img{
    font-size:120px;
  }

  .phrase-main{
    font-size:48px;
  }

  .actions{
    grid-template-columns:1fr;
  }
}

button.activo{
  background:#facc15 !important;
  color:#111827 !important;
}

body.auto .actions{
  grid-template-columns:1fr;
}

body.auto .actions button:not(.primary){
  display:none;
}

.actions{
  grid-template-columns:1fr 1fr 1fr;
}