body, html {
      height: 100%;
      background-color: #f8f9fa;
    }
    .login-container {
      height: 100vh;
      display: flex;
      justify-content: center;
      align-items: center;
    }
    .login-box {
      background: white;
      padding: 2.5rem 3rem;
      border-radius: 8px;
      box-shadow: 0 0 15px rgba(0,0,0,0.1);
      width: 100%;
      max-width: 400px;
      text-align: center;
    }
    .logo {
      max-width: 200px;
      margin-bottom: 1.5rem;
    }