/* Háttér gomb */
    #megnyitGomb {
      padding: 10px 20px;
      background: #0078d7;
      border: none;
      color: white;
      border-radius: 5px;
      cursor: pointer;
      font-weight: bold;
    }

    /* Popup konténer */
    #popup {
      position: fixed;
      top: 50px;
      left: 50px;
      width: 900px;
      height: 600px;
      background: white;
      box-shadow: 0 4px 15px rgba(0,0,0,0.3);
      border-radius: 8px;
      display: none;
      flex-direction: column;
      z-index: 9999;
      user-select: none; /* Kiválasztás tiltása húzás közben */
    }

    /* Fejléc - ide lehet fogni a popupot */
    #popupFejlec {
      background: #0078d7;
      color: white;
      padding: 10px;
      cursor: move;
      border-top-left-radius: 8px;
      border-top-right-radius: 8px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    /* Bezáró gomb */
    #bezaroGomb {
      background: transparent;
      border: none;
      color: white;
      font-size: 20px;
      cursor: pointer;
      line-height: 1;
    }

    /* Iframe stílusa */
    #popupIframe {
      flex-grow: 1;
      border: none;
      width: 100%;
      height: 100%;
      border-bottom-left-radius: 8px;
      border-bottom-right-radius: 8px;
    }