#tablero {
  display: grid;
  /* columnas se fijan desde JS para concordar con filas/columnas */
  gap: 5px;
  margin-top: 20px;
  justify-content: center;
  justify-items: center;
}
.celda {
  background: #ddd;
  width: 60px;
  height: 60px;
  border-radius: 4px;
  overflow: hidden;
  display:flex;
  align-items:center;
  justify-content:center;
}
.celda img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.activo {
  outline: 3px solid lightgreen;
}
.celda.wrong {
  outline: 3px solid crimson;
  animation: shake .3s;
}
@keyframes shake { 0%{transform:translateX(0)} 25%{transform:translateX(-4px)} 75%{transform:translateX(4px)} 100%{transform:translateX(0)} }

body{
    text-align: center;
}

/* Recuadro objetivo */
#targetBox {
  display:flex;
  align-items:center;
  gap:12px;
  justify-content:center;
  margin-bottom:12px;
}
#targetBox img {
  width:64px;
  height:64px;
  object-fit:cover;
  border:2px solid #333;
}
#targetName {
  font-weight:600;
}

/* Nuevos estilos para control de sonido */
#soundControls {
  margin: 10px 0;
}
#soundToggle {
  padding: 6px 12px;
  font-size: 14px;
  cursor: pointer;
}
#ytPlayer.visible {
  display:block;
  width:320px;
  height:180px;
  border:0;
}