* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
  }
  

  body {
    margin:0;
    background: #05001a;
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    color: #ecf0f1;
    text-align: center;
    padding : 20px;
  }
  
  .header {
    display:flex;
    height :60px;
    align-items: center;
    justify-content: space-around;
    padding: 0.5em;
    margin-top: 0.5em;
    background-color: #05001a;
    animation: slide-down 0.5s ease-out;
  }
  .header i{
    padding :10px;
    font-size: 55px;
    display: flex;
    justify-content: center;
    text-shadow: 
    0 0 10px #ff5ef1,
    0 0 20px #ff5ef1,
    0 0 30px #ff5ef1;
  
  }
  .header h1 {
    font-size: 55px;
    display:flex;
    align-items: center;
    justify-content: center;
    text-shadow: 
    0 0 10px #ff5ef1,
    0 0 20px #ff5ef1,
    0 0 30px #ff5ef1;
  }
  
  h2{
    margin-top: 40px;
    font-size: 32px;
  }

  @keyframes slide-down {
    from {
      transform: translateY(-100%);
    }
    to {
      transform: translateY(0);
    }
  }
  
  @keyframes spin {
    0% {
      transform: rotate(0deg);
    }
    100% {
      transform: rotate(360deg);
    }
  }
  .buttons{
    display:flex;
    justify-content: center;
    gap: 25px;
    margin: 25px 0;
    flex-wrap: wrap;
  }
  
  .buttons button {
    width: 180px;
    height: 70px;
    margin-top: 50px;
    letter-spacing: 2px;
    text-transform: uppercase;
    border: none;
    border-radius: 15px;
    color: #ecf0f1;
    padding: 12px 25px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.3s ease, background-color 0.3s ease;
  
  }
  
  .easy {
    background-color: #39d353;
    box-shadow: 0 0 20px #39d353;
  }
  .medium {
    background-color: #ffc107;
    box-shadow: 0 0 20px #ffc107;
  }
  .hard {
    background-color: #ff3b3b;
    box-shadow: 0 0 20px #ff3b3b;
  }
  .buttons button:hover {
    font-size: 1.05em;
    transform: scale(1.1);
  }
  
  .buttons button:active {
    transform: scale(1.05);
  }
  
  .score{
    margin:30px;
  }
  .score h2{
    margin-bottom: 15px;
  }

  .score div{
    font-size: 60px;
    font-weight: bold;
    color: #4da6ff;
    display: inline;
  }
  
  .pong-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 3em;
    animation: fade-in 1s ease-in;
  }
  
  @keyframes fade-in {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }
  
  #ping-pong {
    width: 80%;
    max-width: 680px;
    border: 4px solid #ff4dd2;
    border-radius: 10px;
    background-color :#040016;
    animation: grow 1s ease-in-out;
    box-shadow: 
    0 0 15px #4da6ff,
    0 0 25px #ff4dd2;
  }
  
  @keyframes grow {
    from {
      transform: scale(0.8);
    }
    to {
      transform: scale(1);
    }
  }
  
  @media screen and (max-width: 480px) {
    .header img {
      width: 40px;
    }
  
    #ping-pong {
      width: 90%;
    }
  }

  .result{
    opacity:0;
    position:fixed;
    top:0;
    left:0;
    right:0;
    bottom:0;
    transition: all 0.3s ease-in-out;
    z-index:-1;

    display: flex;
    align-items: center;
    justify-content: center;
  }
  .result.open{
    opacity:1;
    z-index:999;
  }
  .result-inner {
    
    background-color: #F0FDF4;
    border-radius:15px;
    box-shadow: 0 1px 4px #86EFAC;
    padding:15px 25px;
    text-align: center;
    width: 380px;
    flex-wrap: wrap;
  }
  .result-inner h2{
    color:#E6A700;
    margin:0;
  }
  .result-inner p{
    color:#444444;
    line-height:24px ;
    margin:10px 0;
  }

  .start-btn{
    background-color: #9c27b0;
    box-shadow: 0 0 20px #9c27b0;
  }
  .pause-btn{
    background-color: #ff9800;
    box-shadow: 0 0 20px #ff9800;

  }
  .restart-btn{
    background-color: #03a9f4;
    box-shadow: 0 0 20px #03a9f4;
  }

  .new-btn{
    background-color:#FFD166 ;
    box-shadow: 0 0 20px #FFD166;
    color: #333333;
    display: flex;
    justify-content: center;
    align-items: center;
    
    
  }