/* popsub.css */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none; /* Hidden by default */
    align-items: center;
    justify-content: center;
    z-index: 1000;
  }
  
  .popup-content {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    width: 90%;
    max-width: 400px;
    position: relative;
    text-align: center;
  }
  
  .close-popup {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 24px;
    cursor: pointer;
  }
  
  .form-group {
    margin-bottom: 15px;
  }
  
  .form-group input {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
  }
  
  .btn-primary-custom {
    padding: 10px 20px;
    background-color: #007BFF;
    color: #fff;
    border: none;
    cursor: pointer;
  }
  
  .success-message {
    color: green;
    margin-bottom: 15px;
  }
  
  .error-message {
    color: red;
    margin-bottom: 15px;
  }