body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #1f1f1f, #121212);
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }
  
  .login-container {
    text-align: center;
    background: rgba(255, 255, 255, 0.05);
    padding: 3rem;
    border-radius: 1rem;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.05);
  }
  
  button {
    background-color: #00c896;
    color: white;
    font-size: 1.2rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background 0.3s ease;
  }
  
  button:hover {
    background-color: #00a782;
  }