body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #F9FAF7;
  color: #2E2E2E;
}

.app {
  max-width: 420px;
  margin: auto;
  padding: 20px;
}

.card {
  background: #ffffff;
  padding: 20px;
  border-radius: 16px;
  margin-bottom: 20px;
}

.hidden {
  display: none;
}

h1, h2 {
  text-align: center;
}

.subtitle {
  text-align: center;
  font-size: 14px;
  opacity: 0.8;
  margin-bottom: 20px;
}

button {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  background: #1F6F54;
  color: white;
  border: none;
  border-radius: 12px;
  cursor: pointer;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

#answers button {
  background: #6FBF9A;
  margin-top: 10px;
}

#progress {
  font-size: 13px;
  opacity: 0.7;
}

#feedback {
  margin-top: 10px;
  font-style: italic;
  text-align: center;
}

/* STATUS MESSAGE */
.status {
  margin-bottom: 14px;
  font-size: 13px;
  text-align: center;
}

.status.loading {
  color: #1F6F54;
}

.status.error {
  color: #c0392b;
}