/* Custom success popup overlay */
      .custom_success_overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 9999;
        justify-content: center;
        align-items: center;
      }

      /* Custom success popup content */
      .custom_success_content {
        background: #fff;
        padding: 30px;
        border-radius: 8px;
        text-align: center;
        animation: custom_popup_slide 0.4s ease-out;
        position: relative;
        max-width: 400px;
        width: 90%;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      }

      /* Custom success icon */
      .custom_success_icon {
        width: 60px;
        height: 60px;
        margin: 0 auto 20px;
      }

      .custom_success_icon svg {
        width: 100%;
        height: 100%;
      }

      /* Custom success message */
      .custom_success_message {
        color: #333;
        font-size: 18px;
        margin-bottom: 20px;
        font-family: Arial, sans-serif;
      }

      /* Custom close button */
      .custom_success_close {
        background: #4caf50;
        color: white;
        border: none;
        padding: 10px 25px;
        border-radius: 5px;
        cursor: pointer;
        font-size: 16px;
        transition: background 0.3s ease;
      }

      .custom_success_close:hover {
        background: #45a049;
      }

      /* Custom animation for popup */
      @keyframes custom_popup_slide {
        0% {
          transform: translateY(-100px);
          opacity: 0;
        }
        100% {
          transform: translateY(0);
          opacity: 1;
        }
      }

      /* Custom success checkmark animation */
      @keyframes custom_checkmark_draw {
        0% {
          stroke-dashoffset: 100;
        }
        100% {
          stroke-dashoffset: 0;
        }
      }

      .custom_success_checkmark {
        stroke-dasharray: 100;
        stroke-dashoffset: 100;
        animation: custom_checkmark_draw 1s ease forwards;
      }