/* Multi-column layout for the people checkboxes */
#people-checkboxes {
    column-count: 2;
    column-gap: 20px;
  }
  
  /* Confetti falling animation */
  @keyframes falling {
    0% { transform: translateY(0) rotate(0); }
    100% { transform: translateY(100vh) rotate(360deg); }
  }
  
  /* Processing overlay */
  #processing-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  /* Processing message box */
  .processing-content {
    text-align: center;
    padding: 30px;
    background-color: rgba(255, 133, 179, 0.9);
    border-radius: 15px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.5);
    max-width: 400px;
  }
  
  /* Active submit button animation state */
  #submit-btn.active {
    background-color: #D44E8B !important;
    transform: scale(0.98);
    box-shadow: 0 0 10px rgba(255, 133, 179, 0.7);
  }