body {
  font-family: 'Baloo 2', cursive;
  background-color: #f0f4f8;
  margin: 0;
  padding: 20px;
}

.container {
  text-align: center;
  max-width: 700px;
  margin: auto;
  background-color: #ffffff;
  padding: 40px 20px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.pronoun-img {
  width: 200px;
  height: auto;
  margin: 20px 0;
  transition: transform 0.3s ease;
}

.titulo h1 {
  font-size: 24px;
  color: #006064;
}

.spanish-word {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
  color: #333;
}

.options-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.option-btn {
  padding: 10px 20px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  background-color: transparent;
  border: 2px solid #006064;
  border-radius: 12px;
  color: #006064;
  box-shadow: 0 2px 0 #ccc;
  transition: background-color 0.2s;
}

.option-btn:hover {
  background-color: #006064;
  color: white;
}

.option-btn.disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

#feedback {
  margin-top: 15px;
  font-size: 1.2rem;
  font-weight: bold;
}

.progress-bar {
  width: 100%;
  background-color: #ccc;
  height: 12px;
  border-radius: 5px;
  overflow: hidden;
  margin-bottom: 20px;
}

#progress {
  height: 100%;
  background-color: #006064;
  width: 0%;
  transition: width 0.4s ease;
}

.siguiente,
#restart-btn {
  margin: 15px;
  padding: 10px 20px;
  border: 2px solid #006064;
  border-radius: 12px;
  background-color: #006064;
  color: white;
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
}

.hidden {
  display: none;
}

.resaltado {
  transform: scale(1.1);
}

    .close-btn {
      position: fixed;
      top: 10px;
      left: 10px;
      z-index: 10;
    }
    .close-btn a {
      text-decoration: none;
      color: #666;
      font-size: 28px;
      display: flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background-color: #e0e0e0;
      transition: background-color 0.3s ease, color 0.3s ease;
    }
    .close-btn a:hover {
      background-color: #006064;
      color: white;
    }