@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500;600;700&display=swap');

* {
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}
::selection {
  color: #fff;
  background: #56baed;
}
body {
  height: 100vh;

  background: #56baed;
  background: -webkit-radial-gradient(bottom right, #ff4e01, #56baed);
  background: -moz-radial-gradient(bottom right, #ff4e01, #56baed);
  background: radial-gradient(to top left, #ff4e01, #56baed);
}

.select-box,
.play-board,
.result-box {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.3s ease;
}
.select-box {
  background-color: rgba(0, 0, 0, 0.2);

  padding: 20px 25px 25px;

  border-radius: 5px;

  max-width: 400px;
  width: 100%;
}
.select-box.hide {
  opacity: 0;

  pointer-events: none;
}
.select-box header {
  font-size: 30px;
  font-weight: 600;

  padding-bottom: 10px;

  border-bottom: 1px solid lightgrey;
}
.select-box .title {
  font-size: 22px;
  font-weight: 500;

  margin: 20px 0;
}
.select-box .options {
  display: flex;

  width: 100%;
}
.options button {
  width: 50%;

  font-size: 20px;
  font-weight: 500;

  padding: 10px 0;

  border: none;

  background: #56baed;
  border-radius: 5px;

  color: #fff;

  outline: none;
  cursor: pointer;
  transition: all 0.3s ease;
}
.options button:hover,
.btn button:hover {
  transform: scale(0.96);
}
.options button.playerX {
  margin-right: 5px;
}
.options button.playerO {
  margin-left: 5px;
}
.select-box .credit {
  text-align: center;

  margin-top: 20px;

  font-size: 18px;
  font-weight: 500;
}
.select-box .credit a {
  color: #56baed;

  text-decoration: none;
}
.select-box .credit a:hover {
  text-decoration: underline;
}

.play-board {
  opacity: 0;

  pointer-events: none;

  transform: translate(-50%, -50%) scale(0.6);
}
.play-board.show {
  opacity: 1;

  pointer-events: auto;

  transform: translate(-50%, -50%) scale(1);
}
.play-board .details {
  padding: 7px;

  border-radius: 5px;
  background: #fff;
}
.play-board .players {
  width: 100%;

  display: flex;
  position: relative;
  justify-content: space-between;
}
.players span {
  position: relative;

  z-index: 2;

  color: #56baed;

  font-size: 20px;
  font-weight: 500;

  padding: 10px 0;

  width: 100%;

  text-align: center;
  user-select: none;

  transition: all 0.3 ease;
}

.players span:first-child {
  color: #fff;
}
.players .slider {
  position: absolute;
  top: 0;
  left: 0;

  width: 50%;
  height: 100%;

  background: #56baed;
  border-radius: 5px;

  transition: all 0.3s ease;
}
.players.active .slider {
  left: 50%;
}
.players.active span:first-child {
  color: #56baed;
}
.players.active span:nth-child(2) {
  color: #fff;
}
.players.active .slider {
  left: 50%;
}
.play-area {
  margin-top: 20px;
}
.play-area section {
  display: flex;

  margin-bottom: 1px;
}
.play-area section span {
  display: block;

  height: 90px;
  width: 90px;

  margin: 2px;

  color: #56baed;

  font-size: 50px;
  line-height: 80px;

  text-align: center;
  border-radius: 5px;

  background: #fff;

  cursor: pointer;
}

.play-area section span:hover {
  box-shadow: 0 0 0 2px rgb(255, 0, 0);

  background: rgba(0, 0, 0, 0.2);

  transition: 0.3s;
}

.result-box {
  padding: 25px 20px;

  border-radius: 5px;

  max-width: 400px;
  width: 100%;

  opacity: 0;

  text-align: center;

  background-color: rgba(0, 0, 0, 0.2);

  pointer-events: none;

  transform: translate(-50%, -50%) scale(0.9);
}
.result-box.show {
  opacity: 1;

  pointer-events: auto;

  transform: translate(-50%, -50%) scale(1);
}
.result-box .won-text {
  font-size: 30px;

  font-weight: 500;

  display: flex;
  justify-content: center;
}
.result-box .won-text p {
  font-weight: 600;

  margin: 0 5px;
}
.result-box .btn {
  width: 100%;

  margin-top: 25px;
  display: flex;
  justify-content: center;
}
.btn button {
  font-size: 18px;
  font-weight: 500;

  padding: 8px 20px;
  border: none;

  background: #56baed;
  border-radius: 5px;

  color: #fff;

  outline: none;
  cursor: pointer;
  transition: all 0.3s ease;
}