body {
  font-family: "Segoe UI", sans-serif;
  background: #f0f4f8;
  margin: 0;
  padding: 0;
  display: flex;
  height: 100vh;
  align-items: center;
  justify-content: center;
}

.container {
  background: white;
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  width: 90%;
  max-width: 600px;
}

h1 {
  text-align: center;
  color: #333;
}

input, select, button {
  width: 100%;
  padding: 0.75rem;
  margin-top: 1rem;
  font-size: 1rem;
  border-radius: 0.5rem;
  border: 1px solid #ccc;
}

button {
  background-color: #007bff;
  color: white;
  cursor: pointer;
}

button:hover {
  background-color: #0056b3;
}

#questionBox {
  margin-top: 1rem;
}

.question {
  margin-bottom: 1rem;
}

.question label {
  display: block;
  margin-top: 0.25rem;
}

#quiz {
  max-height: 80vh;
  overflow-y: auto;
  padding-right: 10px;
}