@import url('https://fonts.googleapis.com/css2?family=Lato:wght@700&display=swap');
body{
    text-align: center;
    background-color: #bad0b8;
  background-image: -webkit-linear-gradient(right, #FC7864, #FDA366);
  background-image: -moz-linear-gradient(right, #FC7864, #FDA366);
  background-image: -o-linear-gradient(right, #FC7864, #FDA366);
  background-image: -ms-linear-gradient(right, #FC7864, #FDA366);
  background-image: linear-gradient(right, #FC7864, #FDA366);
  cursor: crosshair;
}


.tic-tac-toe {
    display: inline-block;
    border-collapse: collapse;
    margin: 10px auto;
    text-align: center;
    
  }
  
  .row {
    display: table-row;
    border-radius: 10px;
  }
  
  
  .cell {
    display: table-cell;
    width: 90px;
    height: 90px;
    border: 3px solid #0082FC;
    text-align: center;
    vertical-align: middle;
    font-size: 50px;
    cursor: pointer;
  }
  
  .cell:hover {
    background-color: lightgray;
  }
  
  .cell.x {
    color: greenyellow;
    font-family: 'Lato', sans-serif;
  }
  
  .cell.o {
    color: red;
    font-family: 'Lato', sans-serif;
  }
  
  #scores {
    display: flex;
    justify-content: space-between;
    
    font-size: 24px;
  }
  
  #scores div {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  #scores span {
    
    font-size: 50px;
    font-weight: bold;
  }
  
  .difficulty-menu .selected {
    background-color: #333;
    color: #fff;
  }
  
  .button {
    position: relative;
    width: 150px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    border: 1px solid #0078E8;
    background-color: #0082FC;
    overflow: hidden;
    left: 45%;
  }
  
  .button,
  .button__icon,
  .button__text {
    transition: all 0.3s;
  }
  
  .button .button__text {
    transform: translateX(30px);
    color: #fff;
    font-weight: 600;
  }
  
  .button .button__icon {
    position: absolute;
    transform: translateX(109px);
    height: 100%;
    width: 39px;
    background-color: #0078E8;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .button .svg {
    width: 20px;
    fill: #fff;
  }
  
  .button:hover {
    background: #0078E8;
  }
  
  .button:hover .button__text {
    color: transparent;
  }
  
  .button:hover .button__icon {
    width: 148px;
    transform: translateX(0);
  }
  
  .button:active .button__icon {
    background-color: #006cd0;
  }
  
  .button:active {
    border: 1px solid #006cd0;
  }
  
  #scores{
      text-align: center;
  }
  h1::before {  
    transform: scaleX(0);
    transform-origin: bottom right;
  }
  
  h1:hover::before {
    transform: scaleX(1);
    transform-origin: bottom left;
  }
  
  h1::before {
    content: " ";
    display: block;
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    inset: 0 0 0 0;
    background: hsl(200 100% 80%);
    z-index: -1;
    transition: transform .3s ease;
  }
  
  h1, h2 {
    position: relative;
    font-size: 5rem;
    font-family: system-ui, sans-serif;
    margin-bottom: 0px;
    margin-top:Opx;
    left : 120%;
  }
  .highlight {
    background-color: yellow;
  }

  .btn-13 {
    background-color: #48ff00;
  background-image: linear-gradient(315deg, #5eff00 0%, #2bff00 74%);
    border: none;
    z-index: 1;
  }
  .btn-13:after {
    position: absolute;
    content: "";
    width: 100%;
    height: 0;
    bottom: 0;
    left: 0;
    z-index: -1;
    border-radius: 5px;
     background-color: #00ff22;
  background-image: linear-gradient(315deg, #01ff2c 0%, #15ff00 74%);
    box-shadow:
     -7px -7px 20px 0px #fff9,
     -4px -4px 5px 0px #fff9,
     7px 7px 20px 0px #0002,
     4px 4px 5px 0px #0001;
    transition: all 0.3s ease;
  }
 
 
 
  
  p {
    font-family: 'Lato', sans-serif;
    font-weight: 300;
    text-align: center;
    font-size: 18px;
    color: #676767;
  }
  .frame {
    width: 90%;
    margin: 40px auto;
    text-align: center;
  }
  button {
    margin: 20px;
  }
  .custom-btn {
    width: 130px;
    height: 40px;
    color: #fff;
    border-radius: 5px;
    padding: 10px 25px;
    font-family: 'Lato', sans-serif;
    font-weight: 500;
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    display: inline-block;
     box-shadow:inset 2px 2px 2px 0px rgba(255,255,255,.5),
     7px 7px 20px 0px rgba(0,0,0,.1),
     4px 4px 5px 0px rgba(0,0,0,.1);
    outline: none;
  }
  
  
  /* 12 */
  .btn-12{
    position: relative;
    right: 20px;
    bottom: 20px;
    border:none;
    box-shadow: none;
    width: 130px;
    height: 40px;
    line-height: 42px;
    -webkit-perspective: 230px;
    perspective: 230px;
  }
  .btn-12 span {
    background: rgb(0,172,238);
  background: linear-gradient(0deg, rgba(0,172,238,1) 0%, rgba(2,126,251,1) 100%);
    display: block;
    position: absolute;
    width: 130px;
    height: 40px;
    box-shadow:inset 2px 2px 2px 0px rgba(255,255,255,.5),
     7px 7px 20px 0px rgba(0,0,0,.1),
     4px 4px 5px 0px rgba(0,0,0,.1);
    border-radius: 5px;
    margin:0;
    text-align: center;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-transition: all .3s;
    transition: all .3s;
  }
  .btn-12 span:nth-child(1) {
    box-shadow:
     -7px -7px 20px 0px #fff9,
     -4px -4px 5px 0px #fff9,
     7px 7px 20px 0px #0002,
     4px 4px 5px 0px #0001;
    -webkit-transform: rotateX(90deg);
    -moz-transform: rotateX(90deg);
    transform: rotateX(90deg);
    -webkit-transform-origin: 50% 50% -20px;
    -moz-transform-origin: 50% 50% -20px;
    transform-origin: 50% 50% -20px;
  }
  .btn-12 span:nth-child(2) {
    -webkit-transform: rotateX(0deg);
    -moz-transform: rotateX(0deg);
    transform: rotateX(0deg);
    -webkit-transform-origin: 50% 50% -20px;
    -moz-transform-origin: 50% 50% -20px;
    transform-origin: 50% 50% -20px;
  }
  .btn-12:hover span:nth-child(1) {
    box-shadow:inset 2px 2px 2px 0px rgba(255,255,255,.5),
     7px 7px 20px 0px rgba(0,0,0,.1),
     4px 4px 5px 0px rgba(0,0,0,.1);
    -webkit-transform: rotateX(0deg);
    -moz-transform: rotateX(0deg);
    transform: rotateX(0deg);
  }
  .btn-12:hover span:nth-child(2) {
    box-shadow:inset 2px 2px 2px 0px rgba(255,255,255,.5),
     7px 7px 20px 0px rgba(0,0,0,.1),
     4px 4px 5px 0px rgba(0,0,0,.1);
   color: transparent;
    -webkit-transform: rotateX(-90deg);
    -moz-transform: rotateX(-90deg);
    transform: rotateX(-90deg);
  }
 
  .btn-13{
    position: relative;
    right: 20px;
    bottom: 20px;
    border:none;
    box-shadow: none;
    width: 130px;
    height: 40px;
    line-height: 42px;
    -webkit-perspective: 230px;
    perspective: 230px;
  }
  .btn-13 span {
    background: rgb(0,172,238);
  background: linear-gradient(0deg, rgb(0, 238, 59) 0%, rgb(2, 251, 43) 100%);
    display: block;
    position: absolute;
    width: 130px;
    height: 40px;
    box-shadow:inset 2px 2px 2px 0px rgba(255,255,255,.5),
     7px 7px 20px 0px rgba(0,0,0,.1),
     4px 4px 5px 0px rgba(0,0,0,.1);
    border-radius: 5px;
    margin:0;
    text-align: center;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-transition: all .3s;
    transition: all .3s;
  }
  .btn-13 span:nth-child(1) {
    box-shadow:
     -7px -7px 20px 0px #fff9,
     -4px -4px 5px 0px #fff9,
     7px 7px 20px 0px #0002,
     4px 4px 5px 0px #0001;
    -webkit-transform: rotateX(90deg);
    -moz-transform: rotateX(90deg);
    transform: rotateX(90deg);
    -webkit-transform-origin: 50% 50% -20px;
    -moz-transform-origin: 50% 50% -20px;
    transform-origin: 50% 50% -20px;
  }
  .btn-13 span:nth-child(2) {
    -webkit-transform: rotateX(0deg);
    -moz-transform: rotateX(0deg);
    transform: rotateX(0deg);
    -webkit-transform-origin: 50% 50% -20px;
    -moz-transform-origin: 50% 50% -20px;
    transform-origin: 50% 50% -20px;
  }
  .btn-13:hover span:nth-child(1) {
    box-shadow:inset 2px 2px 2px 0px rgba(255,255,255,.5),
     7px 7px 20px 0px rgba(0,0,0,.1),
     4px 4px 5px 0px rgba(0,0,0,.1);
    -webkit-transform: rotateX(0deg);
    -moz-transform: rotateX(0deg);
    transform: rotateX(0deg);
  }
  .btn-13:hover span:nth-child(2) {
    box-shadow:inset 2px 2px 2px 0px rgba(255,255,255,.5),
     7px 7px 20px 0px rgba(0,0,0,.1),
     4px 4px 5px 0px rgba(0,0,0,.1);
   color: transparent;
    -webkit-transform: rotateX(-90deg);
    -moz-transform: rotateX(-90deg);
    transform: rotateX(-90deg);
  }
  
  
  /* 13 */
  span{
    color : white;
  }

  #background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  
    z-index: -3;
  }
  
  #floating-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  }
  
  .shape {
    position: absolute;
    font-size: 94px;
    color: #000;
    opacity: 0.02;
    animation: float 12s linear infinite;
    font-family: 'Josefin Sans', sans-serif;
    z-index: -1;
  
  }
  
  @keyframes float {
    0% {
      transform: translate(0, 0);
    }
    50% {
      transform: translate(calc(100% - 100px), calc(-400px + 100px));
    }
    100% {
      transform: translate(0, 0);
    }
  }

  #difficulty-meter {
    width: 200px; /* Largeur de la jauge */
    height: 20px; /* Hauteur de la jauge */
    background-color: #eee; /* Couleur de fond de la jauge */
    border-radius: 50px;
    box-shadow: rgb(243, 8, 8) 2px 2px 2px;
    margin : 0 auto;
  }
  
  #meter-fill {
    height: 100%; /* Hauteur de remplissage de la jauge */
    background-color: #4CAF50; /* Couleur de remplissage de la jauge */
    transition: background-color 0.5s; /* Transition pour une animation fluide */
    border-radius: 50px;
  }
  
  /* Définition des couleurs pour les différents niveaux de difficulté */
  #meter-fill.level-1 {
    background-color: #4CAF50; /* Vert */
  }
  
  #meter-fill.level-2 {
    background-color: #8BC34A;
  }
  
  #meter-fill.level-3 {
    background-color: #CDDC39;
  }
  
  #meter-fill.level-4 {
    background-color: #FFEB3B;
  }
  
  #meter-fill.level-5 {
    background-color: #FFC107;
  }
  
  #meter-fill.level-6 {
    background-color: #FF9800;
  }
  
  #meter-fill.level-7 {
    background-color: #FF5722;
  }
  
  #meter-fill.level-8 {
    background-color: #F44336;
  }
  
  #meter-fill.level-9 {
    background-color: #E91E63;
  }
  
  #meter-fill.level-10 {
    background-color: #9C27B0; /* Violet */
  }