body {
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  margin: 0;
  padding: 0;
}

.quiz-container {
  max-width: 800px;
  margin: 40px auto;
  background: white;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 0 12px rgba(0,0,0,0.1);
}

h1 {
  text-align: center;
  font-size: 2em;
  margin-bottom: 20px;
}

.question {
  margin-bottom: 20px;
}

.question h3 {
  margin-bottom: 10px;
}

.answers label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 16px;
  cursor: pointer;
}

.answers input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  width: 24px;
  height: 24px;
  border: 2px solid #666;
  border-radius: 4px;
  outline: none;
  cursor: pointer;
  position: relative;
  display: inline-block;
}

.answers input[type="radio"]:checked::before {
  content: "✔";
  position: absolute;
  top: -2px;
  left: 3px;
  font-size: 22px;
  color: #0066cc;
  line-height: 1;
}

button {
  display: block;
  margin: 30px auto 0;
  padding: 12px 24px;
  font-size: 16px;
  border: none;
  background-color: #0066cc;
  color: white;
  cursor: pointer;
  border-radius: 6px;
}

#result {
  margin-top: 30px;
  padding: 20px;
  background-color: #e0ffe0;
  border-left: 5px solid #2ecc71;
  display: none;
  font-size: 18px;
}

.submit-btn {
  padding: 12px 24px;
  font-size: 1.2rem;
  margin-top: 20px;
  cursor: pointer;
}

.thank-you {
  max-width: 700px;
  margin: 100px auto;
  padding: 20px;
  text-align: center;
  font-size: 1.2rem;
}
.acknowledgements {
  margin-top: 40px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.checkbox-container.small {
  display: flex;
  align-items: center;
  font-size: 0.9rem;
}

.checkbox-container.small input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-right: 10px;
}

.checkbox-container.small .custom-checkmark {
  width: 20px;
  height: 20px;
  border: 2px solid #444;
  display: inline-block;
  position: relative;
  margin-right: 10px;
}

.checkbox-container.small input[type="checkbox"]:checked + .custom-checkmark::after {
  content: "✔";
  font-size: 16px;
  position: absolute;
  left: 2px;
  top: -3px;
}

.acknowledgements {
  margin-top: 40px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.checkbox-container.small {
  display: flex;
  align-items: center;
  font-size: 0.9rem;
}

.checkbox-container.small input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-right: 10px;
}

.checkbox-container.small .custom-checkmark {
  width: 20px;
  height: 20px;
  border: 2px solid #444;
  display: inline-block;
  position: relative;
  margin-right: 10px;
}

.checkbox-container.small input[type="checkbox"]:checked + .custom-checkmark::after {
  content: "✔";
  font-size: 16px;
  position: absolute;
  left: 2px;
  top: -3px;
}

.submit-container {
  margin-top: 20px;
  text-align: center;
}

.submit-btn {
  padding: 12px 24px;
  font-size: 1.2rem;
  cursor: pointer;
}