@media (max-width: 768px){

  .app{
    padding: 20px;
  }

  .header h1{
    font-size: 28px;
  }

  .header p{
    font-size: 13px;
  }

  .tabs{
    flex-direction: column;
    gap: 8px;
    border-radius: 20px;
  }

  .indicator{
    display: none;
  }

  .tab{
    border-radius: 15px;
    background: rgba(255,255,255,0.05);
  }

  .tab.active{
    background: #00f2fe;
    color: #000;
  }

  .game{
    padding: 18px;
  }

  h2{
    font-size: 20px;
  }

  .actions{
    flex-direction: column;
  }

  button{
    width: 100%;
  }

  .rps{
    gap: 10px;
  }

  .rps button{
    width: 60px;
    height: 60px;
    font-size: 20px;
  }

  .grid{
    grid-template-columns: repeat(3,1fr);
  }

}

@media (max-width: 480px){

  .app{
    padding: 15px;
  }

  .header h1{
    font-size: 24px;
  }

  .header p{
    font-size: 12px;
  }

  h2{
    font-size: 18px;
  }

  input,
  select{
    padding: 10px;
    font-size: 14px;
  }

  button{
    padding: 10px;
    font-size: 14px;
  }

  .rps button{
    width: 50px;
    height: 50px;
    font-size: 18px;
  }

  .grid{
    grid-template-columns: repeat(2,1fr);
    gap: 8px;
  }

  .card{
    height: 60px;
    font-size: 20px;
  }

}

@media (max-width: 350px){

  .header h1{
    font-size: 20px;
  }

  .tabs{
    gap: 5px;
  }

  .tab{
    font-size: 12px;
    padding: 8px;
  }

  .card{
    height: 50px;
    font-size: 18px;
  }

}