body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: radial-gradient(circle at top, #2e2a68 0, #0b0c15 55%, #000000 100%);
  color: #f5f5ff;
}

.app-container {
  max-width: 480px;
  margin: 32px auto;
  padding: 20px;
  text-align: center;
}

h1 {
  margin-bottom: 8px;
}

.subtitle {
  margin-top: 0;
  margin-bottom: 24px;
  color: #c0c2ff;
  font-size: 15px;
}

#quiz-container,
#result-container {
  background: rgba(13, 15, 40, 0.95);
  border-radius: 18px;
  padding: 18px 16px 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

#question {
  font-size: 18px;
  margin-bottom: 16px;
}

#options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
}

.option-btn {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid #3e3f80;
  background: #171832;
  color: #f5f5ff;
  cursor: pointer;
  font-size: 15px;
  text-align: left;
  transition: background 0.15s, border-color 0.15s, transform 0.05s;
}

.option-btn:hover {
  background: #232450;
  border-color: #5a5bff;
}

.option-btn.selected {
  border-color: #7f86ff;
  background: #26296a;
  transform: translateY(1px);
}

button {
  border: none;
  border-radius: 999px;
  cursor: pointer;
  font-size: 15px;
}

#next-btn {
  padding: 10px 22px;
  background: #4b68ff;
  color: white;
}

#next-btn:disabled {
  background: #3a3c70;
  cursor: default;
}

.hidden {
  display: none;
}

.mint-section {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid #2d3059;
}

.mint-info {
  font-size: 14px;
  color: #c0c2ff;
  margin-bottom: 12px;
}

#mint-btn {
  padding: 12px 24px;
  background: #00c38a;
  color: #041019;
  font-weight: 600;
}

#mint-status {
  margin-top: 12px;
  font-size: 14px;
  min-height: 18px;
}