/* Global Styles */
body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background-color: #f5f5f5;
    color: #333;
    transition: background-color 0.3s ease, color 0.3s ease;
  }
  
  /* Dark Theme */
  body.dark-theme {
    background-color: #333;
    color: white;
  }
  
  /* Loading Screen */
  .loading-screen {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #3EB489;
    color: white;
  }
  
  .loading-spinner {
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
  }
  
  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }