body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(to bottom, #f3f4f6, #e5e7eb);
  color: #111827;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  background-color: #ffffff;
  padding: 2rem;
  border-radius: 1.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  width: 90%;
  max-width: 600px;
}

h2, h3 {
  margin-bottom: 1rem;
  color: #2563eb;
  text-align: center;
}

#question-text {
  margin-bottom: 1rem;
  font-size: 1.2rem;
  font-weight: bold;
}

ul#options-list {
  list-style: none;
  padding: 0;
}

ul#options-list li {
  margin-bottom: 0.5rem;
  background-color: #f9fafb;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  border: 1px solid #d1d5db;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

ul#options-list li:hover {
  background-color: #e0f2fe;
}

.navigation {
  margin-top: 1rem;
  display: flex;
  justify-content: space-between;
}

button {
  background-color: #2563eb;
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

button:hover {
  background-color: #1d4ed8;
}

#selection-container {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}