/* Elegant, minimal design */
body {
  font-family: 'Segoe UI', Tahoma, sans-serif;
  margin: 0;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, #f0f4f8, #d9e2ec);
  transition: background 0.5s ease;
}

.container {
  text-align: center;
  padding: 2rem 3rem;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

h1 {
  color: #1d4ed8;
  margin-bottom: 0.5rem;
}

p {
  color: #334155;
  margin-bottom: 1.5rem;
}

button {
  background: #1d4ed8;
  color: white;
  border: none;
  padding: 0.6rem 1.4rem;
  font-size: 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease;
}

button:hover {
  background: #2563eb;
  transform: translateY(-2px);
}