body {
  margin: 0;
  font-family: 'Segoe UI', Roboto, sans-serif;
  background-color: #f7f9fc;
  color: #222;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
}

.quiz-container {
  background: #fff;
  max-width: 600px;
  width: 100%;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border-radius: 16px;
}

h1, h2 {
  color: #ff6600;
  margin-bottom: 10px;
}

p {
  margin-bottom: 20px;
}

label {
  font-weight: bold;
  display: block;
  margin-bottom: 6px;
  margin-top: 12px;
}

input[type="text"],
input[type="email"] {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 16px;
}

.checkbox-container {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 14px;
}

.checkbox-container input[type="checkbox"] {
  margin-top: 3px;
}

button {
  padding: 12px 20px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.btn-orange {
  background-color: #ff6600;
  color: white;
  font-weight: bold;
}

.btn-orange:hover {
  background-color: #e65c00;
}

button:disabled {
  background-color: #bbb;
  cursor: not-allowed;
}

.full-width {
  width: 100%;
}

#question-counter {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 10px;
}

#question-text {
  font-size: 18px;
  font-weight: bold;
  color: #000;
  margin-bottom: 20px;
}

#answers {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.answer-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 2px solid #ccc;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 16px;
  background: #fff;
}

.answer-option:hover {
  background-color: #f0f4ff;
}

.answer-option.selected {
  background-color: #d1e3ff;
  border-color: #ff6600;
}

.answer-option::before {
  content: attr(data-letter);
  background-color: #ff6600;
  color: white;
  font-weight: bold;
  padding: 6px 12px;
  border-radius: 4px;
  display: inline-block;
  min-width: 32px;
  text-align: center;
}

.note {
  font-size: 13px;
  color: #666;
  margin-top: 20px;
}

@media (max-width: 500px) {
  .quiz-container {
    padding: 20px;
  }

  button {
    width: 100%;
  }
}
