/* RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Arial', sans-serif;
}

/* GENERAL */
body {
  background-color: #e0f0ff; /* fondo claro azulish */
  color: #333;
  min-height: 100vh;
}

header {
  text-align: center;
  padding: 20px;
  background: #0077b6; /* azul portada */
  color: white;
  cursor: pointer;
}

.disclaimer {
  text-align: center;
  margin: 15px 10px;
  font-size: 0.9rem;
  color: #555;
}

.categories {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
  margin: 20px;
}

.card {
  padding: 25px 35px;
  background-color: #90e0ef;
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.2s;
  text-align: center;
}

.card:hover {
  transform: translateY(-5px);
}

.hidden {
  display: none;
}

.test-layout {
  display: flex;
  justify-content: center;
  margin: 20px;
  gap: 10px;
}

.question-box {
  flex: 2;
  padding: 20px;
  background-color: #f1f1f1;
  border-radius: 10px;
}

#answers button {
  display: block;
  margin: 10px 0;
  padding: 10px;
  width: 100%;
  border-radius: 5px;
  border: 1px solid #ccc;
  cursor: pointer;
  text-align: left;
}

#answers button.selected {
  background-color: #d0ebff;
}

#answers button.correct {
  background-color: #90ee90;
}

#answers button.incorrect {
  background-color: #ff8c8c;
}

.finish-btn {
  padding: 10px 15px;
  margin: 10px 5px;
  cursor: pointer;
  border-radius: 8px;
  border: none;
  color: white;
  font-weight: bold;
}

#finish-btn {
  background-color: #0077b6;
}

#restart-btn {
  background-color: #ff7f50;
}

#score {
  margin-top: 15px;
  font-weight: bold;
}

.ad-space {
  flex: 0 0 160px;
  background-color: #ddd;
  border-radius: 10px;
  padding: 10px;
  text-align: center;
}

/* Temas por categoría */
.medicina {
  --color-primary: #0077b6;
  background-color: #caf0f8;
}
.enfermeria {
  --color-primary: #f4a261;
  background-color: #fff4e6;
}
.auxiliar {
  --color-primary: #f7c6d0;
  background-color: #fff0f5;
}
.celador {
  --color-primary: #6aa84f;
  background-color: #e6f2e6;
}

footer {
  text-align: center;
  padding: 20px;
  background-color: #0077b6;
  color: white;
  margin-top: 30px;
}

@media (max-width: 768px) {
  .test-layout {
    flex-direction: column;
  }

  .ad-space {
    width: 100%;
    margin-bottom: 10px;
  }

  .categories {
    flex-direction: column;
  }
}