body {
      margin: 0;
      font-family: Arial, Helvetica, sans-serif;
    }
    
    .topnav {
      overflow: hidden;
      background-color: blue;
    }
    
    .topnav a {
      float: left;
      display: block;
      color: #f2f2f2;
      text-align: center;
      padding: 14px 16px;
      text-decoration: none;
      font-size: 17px;
    }
    
    .topnav a:hover {
      
      color: white;
    }
    
    .topnav a.active {
      
      color: white;
    }

    /* Overlay sombre */
#overlay {
   position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7); /* semi-transparent noir */
    z-index: 1000;
    display: none;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 1.5rem;
    font-family: sans-serif; 
}
.clignote-couleur {
  animation: couleurClignote 1s infinite;
  font-weight: bold;
}

@keyframes couleurClignote {
  0%   { color:black; }
  50%  { color: blue; }
  100% { color: blueviolet; }
}

    



    #confirmationDiv {
  background-color: #fff;   /* Fond blanc */
  box-shadow: 0 4px 8px rgba(0,0,0,0.1); /* Légère ombre */
  border-radius: 10px;      /* Bords arrondis */
  padding: 20px;
  overflow-y: auto;
}
   #confirmationDiv {
  overflow-y: scroll;  /* force l'apparition de la scrollbar verticale */
}





/** button**/

#confirmationDiv .btn {
  border-radius: 8px;
  padding: 8px 20px;
  transition: all 0.3s ease;
}

#confirmationDiv .btn:hover {
  background-color: darkblue;
}






/* ===== IFRAME PAYMENT RESPONSIVE ===== */

#ifram {
  padding: 5px;
}

/* Logo */
#ifram .logo-wrapper img {
  max-width: 50px;
  max-height: 50px;
  object-fit: contain;
  margin-top: 5px;
}

/* Texte */
#text1 {
  font-size: 15px;
  display: block;
  margin: 5px 0;
}

/* Iframe */
#ifram .iframe-wrapper iframe {
  width: 100%;
  height: 95vh;
  border: none;
}

/* 📱 Mobile uniquement */
@media (max-width: 768px) {

  #text1 {
    font-size: 9px;
    padding: 5px;
  }

  #ifram .logo-wrapper img {
    max-width: 40px;
    max-height: 40px;
  }

  #ifram .iframe-wrapper iframe {
    height: 85vh;
  }

  #loader-payment{
    font-size: 8px ;
  }
}

/* 📱 Mobile uniquement */
@media (max-width: 500px) {

  #text1 {
    font-size: 9px;
    padding: 5px;
  }

  #ifram .logo-wrapper img {
    max-width: 40px;
    max-height: 40px;
  }

  #ifram .iframe-wrapper iframe {
    height: 85vh;
  }

  #loader-payment{
    font-size: 5px ;
  }
}