:root{
    --backgroung: #EEEEEE;
    --textColor: #222831;
    --inputColors : #FFF;
    --winCOlor: #00ADB5;
    --midColor: #393E46;
  }
  
  :root .darkMode{
    --backgroung:#222831;
    --textColor: #EEEEEE;
    --winCOlor: #00ADB5;
    --midColor: #393E46;
  }
  
  *{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    border: none;
  }
  
  body {
      font-family: sans-serif;
      background: var(--backgroung);
      color: var(--textColor);
  }
  
  header{
      width: 100%;
      height: 40px;
      display: grid;
      justify-content: end;
      position: fixed;
      margin: 10px;
  }
  
  .switch {
      position: relative;
      display: inline-block;
      width: 60px;
      height: 34px;
      margin-right: 40px;
  }
  
  .switch input { 
      opacity: 0;
      width: 0;
      height: 0;
  }
  
  .inputContainer{
      display: flex;
      align-content: center;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      flex-wrap: nowrap;
  }
  
  .slider {
      border-radius: 20px;
      position: absolute;
      cursor: pointer;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-color: #ccc;
      -webkit-transition: .4s;
      transition: .4s;
  }
  
  .slider:before {
      position: absolute;
      content: "";
      border-radius: 20px;
      height: 26px;
      width: 26px;
      left: 4px;
      bottom: 4px;
      background-color: white;
      -webkit-transition: .4s;
      transition: .4s;
  }
  
  input:checked + .slider {
      background-color: var(--winCOlor);
  }
  
  input:focus + .slider {
      box-shadow: 0 0 1px var(--winCOlor);
  }
  
  input:checked + .slider:before {
      -webkit-transform: translateX(26px);
      -ms-transform: translateX(26px);
      transform: translateX(26px);
  }
  
  #turnplayer {
      font-size: 2rem;
      margin: 1rem;
  }
  
  .gameContainer{
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      height: 100vh;
  }
  
  #gameBoard {
      display: grid;
      grid-template-columns: auto auto auto;
      grid-template-rows: auto auto auto;
      gap: 1rem;
      align-content: center;
      justify-content: center;
      align-items: center;
      justify-items: center;
  }
  
  #gameBoard div {
      border-radius: 20px;
      width: 2em;
      height: 2em;
      color: var(--inputColors);
      background-color: var(--midColor);
      display: grid;
      place-content: center;
      font-size: 5rem;
  }
  
  #gameBoard div.win {
      background-color: var(--winCOlor);
  }
  
  .cursor-pointer {
      cursor: pointer;
  }
  
  .buttonContainer{
      display: flex;
  }
  
  button {
      width: 200px;
      height: 40px;
      border-radius: 20px;
      border: none;
      background-color: var(--midColor);
      cursor: pointer;
      margin: 0.5rem;
      font-size: 1.2rem;
      color: var(--inputColors);
  }
  
  label{
      font-size: 1.5rem;
  }
  
  input[type="text"], select {
      text-align: center;
      width: 200px;
      height: 40px;
      border-radius: 20px;
      border: none;
      background-color: var(--midColor);
      color: var(--inputColors);
      cursor: pointer;
      margin: 0.5rem;
      font-size: 1rem;
  }
  
  button:hover {
      transition: .5s;
      background-color: var(--winCOlor);
      color: var(--inputColors);
  }
  
  @media screen and (max-width : 768px) {
  
      .inputContainer{
        display: grid;
        justify-items: center;
      }
  
      .buttonContainer{
        display: grid;
        justify-items: center;
      }
  
      #gameBoard {
        gap: 0.5rem;
      }
  
      #gameBoard div {
          width : 6rem; 
          height : 6rem; 
          font-size : 3rem; 
      }
      
      button, input[type="text"], select {
          width : 250px; 
          height : 40px; 
          font-size : 1rem; 
      }
      
      label{
          font-size : 1.2rem; 
      }
      
      #turnplayer {
          font-size : 1.5rem; 
      }
  }