/* --- POPUP STYLES --- */
    /* Full-screen overlay with a modern glassmorphism blur effect */
    #welcomePopup {
      position: fixed;
      top: 0; 
      left: 0; 
      width: 100%; 
      height: 100%;
      background: rgba(0, 0, 0, 0.6);
      -webkit-backdrop-filter: blur(4px);
      backdrop-filter: blur(4px);
      display: flex; 
      justify-content: center; 
      align-items: center;
      z-index: 9999;
    }

    /* The popup container card */
    #welcomePopup .popup-card {
      background: #ffffff;
      padding: 40px;
      border-radius: 16px;
      box-shadow: 0 20px 40px rgba(0,0,0,0.2);
      width: 90%; 
      max-width: 450px;
      position: relative;
      text-align: center;
      box-sizing: border-box;
    }

    /* Dismiss button ('X') in the top right */
    #welcomePopup .close-btn {
      position: absolute;
      top: 15px; 
      right: 20px;
      background: none; 
      border: none;
      font-size: 28px; 
      color: #999;
      cursor: pointer;
      line-height: 1;
    }

    #welcomePopup .close-btn:hover { 
      color: #333; 
    }

    /* Typography & Content Layout */
    #welcomePopup .brand-logo {
      font-size: 24px; 
      font-weight: 800;
      letter-spacing: -1px; 
      margin-bottom: 15px;
      color: #111827;
    }
    
    #welcomePopup .brand-logo span { 
      color: #6366f1; /* Trendy Y2K Indigo Accent */
    } 

    #welcomePopup .popup-content h2 {
      font-size: 22px; 
      color: #111827;
      margin: 0 0 10px 0;
    }

    #welcomePopup .popup-content p {
      font-size: 14px; 
      color: #6b7280;
      line-height: 1.5; 
      margin: 0 0 25px 0;
    }

    /* Dashed Promo Discount Box */
    #welcomePopup .promo-badge {
      background: #f3f4f6;
      border: 2px dashed #6366f1;
      border-radius: 12px;
      padding: 15px; 
      margin-bottom: 25px;
    }
    
    #welcomePopup .code-text { 
      font-size: 11px; 
      color: #6366f1; 
      display: block; 
      font-weight: 600; 
      margin-bottom: 4px;
    }
    
    #welcomePopup .promo-badge strong { 
      font-size: 20px; 
      color: #111827; 
      letter-spacing: 1px; 
    }
    
    #welcomePopup .promo-badge p {
      font-size: 12px;
      margin: 4px 0 0 0;
      color: #4b5563;
    }

    /* Main Action Call-To-Action Button */
    #welcomePopup  .cta-btn {
      background: #6366f1; 
      color: white;
      border: none; 
      width: 100%; 
      padding: 14px;
      border-radius: 8px; 
      font-size: 16px; 
      font-weight: 600;
      cursor: pointer; 
      transition: background 0.2s ease;
    }
    
    #welcomePopup .cta-btn:hover { 
      background: #4f46e5; 
    }