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

#quiz-container {
  background: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
  width: 400px;
  text-align: center;
}

#question {
  font-size: 1.2em;
  margin-bottom: 20px;
}

#answer-buttons {
  display: flex;
  flex-direction: column;
  margin: 20px 0;
  gap: 10px;
}

button {
  padding: 10px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  background: #0077cc;
  color: white;
  font-size: 16px;
}

button:hover:not(:disabled) {
  background: #005fa3;
}

button:disabled {
  cursor: not-allowed;
}

.correct {
  background: #4caf50 !important;
}

.wrong {
  background: #f44336 !important;
}

#next-btn {
  width: 100%;
  padding: 12px;
  font-size: 1.1em;
  margin-top: 10px;
  background: #A80FF7;
}

#next-btn:hover {
  background: #A80FF7;
}

#start-btn {
  width: 100%;
  padding: 12px;
  font-size: 1.1em;
  margin-bottom: 20px;
  background: #0077cc;
}

#start-btn:hover {
  background: #005fa3;
}

#result {
  text-align: center;
  font-size: 1.5em;
  margin-top: 20px;
}

.hidden {
  display: none;
}

h1 {
  margin-bottom: 20px;
}