/* Footer Styles */
    footer {
      text-align: center;
      padding: 30px 0;
      margin-top: 40px;
      border-top: 1px solid #eee;
    }

    .footer-links {
      display: flex;
      justify-content: center;
      gap: 20px;
      margin: 15px 0;
    }

    .footer-links a {
      color: var(--gray);
      text-decoration: none;
      transition: var(--transition);
    }

    .footer-links a:hover {
      color: var(--primary);
    }

    .footer-text {
      color: #ffffff;
      font-size: 14px;
      margin-top: 10px;
    }

    /* Alert Styles */
    .alert {
      padding: 15px;
      border-radius: var(--border-radius);
      margin: 15px 0;
      display: none;
    }

    .alert-success {
      background-color: rgba(76, 175, 80, 0.2);
      color: var(--success);
      border: 1px solid var(--success);
    }

    .alert-error {
      background-color: rgba(244, 67, 54, 0.2);
      color: #f44336;
      border: 1px solid #f44336;
    }

    /* Loading Indicator */
    .loading {
      display: none;
      margin: 20px 0;
    }

    .spinner {
      border: 4px solid rgba(0, 0, 0, 0.1);
      border-radius: 50%;
      border-top: 4px solid var(--primary);
      width: 30px;
      height: 30px;
      animation: spin 1s linear infinite;
      margin: 0 auto;
    }

    @keyframes spin {
      0% { transform: rotate(0deg); }
      100% { transform: rotate(360deg); }
    }