body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", sans-serif;
  background-color: #0e0e0e;
  color: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  text-align: center;
  border: 1px solid #333;
  padding: 2rem;
  border-radius: 12px;
  background-color: #1a1a1a;
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.1);
}

button {
  margin-top: 1rem;
  padding: 0.7rem 1.5rem;
  border: none;
  border-radius: 8px;
  background-color: #00ffe1;
  color: #000;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s ease;
}

button:hover {
  background-color: #00cfc9;
}