.question-row {
  margin-bottom: 60px;
}

.quiz-content {
  padding: 0 15px;
}

.quiz-question {
  font-size: 22px;
  color: #333;
  line-height: 1.3;
  word-wrap: break-word;
}

.quiz-options {
  list-style-type: none;
  padding-left: 0;
  font-size: 18px;
  line-height: 1.8;
  color: #555;
}

.quiz-options li {
  margin-bottom: 8px;
}

.quiz-image {
  width: 100%;
  max-width: 500px;
  height: 300px;
  object-fit: cover;
  margin: 0 auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
  /* Alternating layout */
  .order-md-1 {
    order: 1 !important;
  }
  .order-md-2 {
    order: 2 !important;
  }

  .question-row {
    margin-bottom: 80px;
  }
}

/* Small devices (landscape phones, less than 768px) */
@media (max-width: 767.98px) {
  .pretest_section {
    padding: 30px 0;
  }

  .question-row {
    margin-bottom: 40px;
  }

  .quiz-question {
    font-size: 18px;
  }

  .quiz-options {
    font-size: 16px;
    line-height: 1.6;
  }

  .quiz-image {
    height: 200px;
    max-width: 100%;
  }

  /* Force mobile stacking */
  [class*="col-"] {
    flex: 0 0 100%;
    max-width: 100%;
  }

  /* Add spacing between stacked items */
  .mb-4 {
    margin-bottom: 1.5rem !important;
  }
}

.correct-answer {
  color: green;
  font-weight: bold;
}

.incorrect-answer {
  color: red;
}

.validation-message {
  display: none;
  margin-bottom: 10px;
  font-size: 1rem;
  margin-top: 5px;
  color: #dc3545; /* Bootstrap danger color */
}

input:invalid {
  border-color: #dc3545; /* Red outline for invalid radios */
}

.learning-activities-btn {
  background: transparent;
  color: #000;
  border: 1px solid #000;
  font-size: 14px;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  height: 50px;
  padding: 0 30px;
  margin-top: 20px;
}

.learning-activities-btn:hover {
  background: #000;
  color: #fff;
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 1;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
}

.modal-content {
  background-color: #fefefe;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 25px;
  border: 1px solid #888;
  width: 80%;
  max-width: 500px;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  animation: modalopen 0.4s;
}

@keyframes modalopen {
  from {
    opacity: 0;
    transform: translate(-50%, -60%); /* Adjusted to account for centering */
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
}

.close {
  color: #aaa;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.3s;
  position: relative;
  margin-left: auto;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.close:hover {
  color: #333;
}

#scoreMessage {
  margin-top: 15px;
  font-size: 18px;
  font-weight: bold;
  padding: 10px;
  border-radius: 5px;
}