body {
  text-align: center;
  background: linear-gradient(135deg, #e0eafc 0%, #cfdef3 100%);
  font-family: 'Segoe UI', Arial, sans-serif;
  margin: 0;
  padding: 0;
}

h1 {
  color: #2d6cdf;
  margin-top: 40px;
  font-size: 2.5rem;
  letter-spacing: 2px;
}

button {
  background: #2d6cdf;
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 16px 32px;
  margin: 20px 10px;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(45, 108, 223, 0.15);
  transition: background 0.2s, transform 0.2s;
}

button:hover {
  background: #184fa6;
  transform: translateY(-2px) scale(1.05);
}

#result {
  margin-top: 30px;
  font-size: 1.3rem;
  color: #184fa6;
  background: #fff;
  display: inline-block;
  padding: 18px 32px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(45, 108, 223, 0.08);
  min-width: 300px;
}