html, body { height: 100%; }
    body { display: flex; flex-direction: column; min-height: 100vh; background: #f8f9fa; }
    main { flex: 1; padding: 40px; }
    footer { background-color: #f8f9fa; padding: 10px; text-align: center; border-top: 1px solid #dee2e6; }
    .action-buttons { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; }

  #notifyBox {
    position: fixed;
    top: 20px;
    right: 20px;
    min-width: 250px;
    padding: 15px 20px;
    border-radius: 8px;
    color: #fff;
    font-weight: 500;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    display: none;
    z-index: 9999;
  }
  .notify-success { background: #28a745; }
  .notify-error { background: #dc3545; }