@import url('https://fonts.googleapis.com/css2?family=Pixelify+Sans:wght@400..700&display=swap');


.hide {
  opacity: 0!important;
  visibility: hidden!important;
}

.gamescreen {
  position: relative;
  overflow: clip;
  
  width: 90vw;
  max-width: 450px;
  
  outline: solid #e39b15 2px;
  outline-offset: 3px;
  
  margin: auto;
  margin-bottom: 20pt;

  font-family: "Pixelify Sans", sans-serif;
  font-weight: 400;
  font-style: normal;
  letter-spacing: .1em;

  -webkit-touch-callout: none; /* iOS Safari */
  -webkit-user-select: none;   /* Chrome/Safari/Opera */
  -khtml-user-select: none;    /* Konqueror */
  -moz-user-select: none;      /* Firefox */
  -ms-user-select: none;       /* Internet Explorer/Edge */
  user-select: none; 
}


.game-menu {
  position: absolute;
  overflow: clip;
  z-index: 10;

  font-size: 160%;

  width: 100%;
  height: 100%;
  padding-top: 100px;
  
  box-sizing: border-box;

  color: white;
  text-align: center;
  vertical-align: middle;
  text-shadow: black 1px 1px 2px;

  background-color: rgba(0, 0, 0, 0.4);
  transition: opacity .2s ease, visibility 0s;
}
.game-menu.hide {
  transition: opacity 0s ease, visibility 0s;
  display: none;
}

.game-menu ~ .gameboard > .cell-net {
  transition: filter .2s;
  filter: blur(5px);
}
.game-menu.hide ~ .gameboard > .cell-net {
  transition-delay: 0s;
  filter: none;
}

.game-menu > .menu-list {
  position: absolute;
  box-sizing: border-box;

  width: 100%;
  height: 100%;
  padding-top: 20%;

  transition: opacity .15s .15s, visibility .15s .15s;
}


.game-menu > .menu-list > p {

  font-weight: 700;
  text-decoration: underline;
}

.game-menu > .menu-list > .item {
  display: none;
}

.game-menu > .menu-list > .select,
.game-menu > .menu-list > .go-back::before {
  transition:
    background-color  100ms,
    color             100ms,
    outline-color     100ms,
    transform         100ms;
}
.game-menu > .menu-list > .select {
  display: inline-block;
  margin-right: auto;
  position: relative;

  cursor: pointer;

  white-space: nowrap;
  outline: solid white 1px;
  
  border-top-left-radius: 10% 40%;
  border-top-right-radius: 10% 40%;
  border-bottom-left-radius: 10% 40%;
  border-bottom-right-radius: 10% 40%;
  padding-left: 3%;
  padding-right: 3%;
  min-width: 40%;
}
.game-menu > .menu-list > .select:not(:last-child) {
  margin-right: 10px;
}
.game-menu > .menu-list > .go-back {
  display: flex;
  position: absolute;
  width: 80px;
  height: 40px;

  color: transparent;
  text-shadow: none;
  cursor: pointer;

  font-size: 200%;
  font-weight: 700;
  align-items: center;
  justify-content: end;

  right: 5%;
  bottom: 30%;
}
.game-menu > .menu-list > .item.back-btn ~ .go-back::before {
  content: "\2190";
  display: block;
  position: absolute;

  color: white;
  text-shadow: black 1px 1px 2px;

  margin-left: auto;
  margin-right: 0;
}

.game-menu > .menu-list > .item.radio._1:hover ~ .select._1,
.game-menu > .menu-list > .item.radio._2:hover ~ .select._2{
  outline-width: 2px;
  background-color: rgba(0, 0, 0, 0.5);
  color: white;
}
.game-menu > .menu-list > .item.radio._1:active ~ .select._1,
.game-menu > .menu-list > .item.radio._2:active ~ .select._2 {
  transform: scale(1.08);
}
.game-menu > .menu-list > .item.back-btn:hover ~ .go-back::before {
  transform: translateX(-20px);
}
.game-menu > .menu-list > .item.back-btn:active ~ .go-back::before {
  transform: translateX(-30px);
}


.message-block {
  display: grid;
  height: 100px;
  margin-bottom: 5px;

  position: relative;
  z-index: 10;
  
  grid-template-areas: 
  "sentence       sentence    sentence"
  "gamer-figure   opponent    opponent"
  "current-figure opponent    opponent";

  border-bottom: solid 1px #e39b15;
  box-sizing: border-box;
  background-color: white;

  color: #26252D;
  font-weight: 700;
}

.message-block > .item._sentence {
  grid-area: sentence;
  justify-self: center;
  height: 1em
}
.message-block > .item._current-figure {
  grid-area: current-figure;
  align-self: self-end;
  justify-self: start;
}
.message-block > .item._gamer-figure {
  grid-area: gamer-figure;
  align-self: self-end;
  justify-self: start;
}
.message-block > .item._opponent {
  grid-area: opponent;
  align-self: self-end;
  justify-self: end;
}


#finish-game-btn {
  display: block;
  width: 100%;
  height: 40px;
  margin-top: 5px;
  
  background-color: transparent;
  border: solid 3px #e39b15;
  box-sizing: border-box;
  padding-bottom: 5px;

  cursor: pointer;

  color: #26252D;
  font-size: 1.3em;
  font-weight: 700;
  text-shadow: none;

  transition: padding .1s, font-size .1s, border-width .1s;
}
#finish-game-btn:hover {
  padding-top: 0px;
  padding-bottom: 10px;
  transition: padding .1s 0s ease-out;
}
#finish-game-btn.active,
#finish-game-btn:active {
  padding-top: 0px;
  padding-bottom: 10px;
  border-width: 5px;
  font-size: 1em;
  transition: padding .1s 0s ease-out, font-size .1s 0s ease-out, border-width .1s 0s ease-out;
}

#finish-game-btn > .content {
  display: block;
  height: 1.3em;
}

.game-menu ~ .gameboard > #finish-game-btn > .content {
  transition: opacity .2s;
  opacity: 0;
}
.game-menu.hide ~ .gameboard > #finish-game-btn > .content {
  opacity: 1;
}


.gameboard {
  display: block;
  position: relative;

  width: 100%;
}

.gameboard > .cell {
  display: none;
}

/* настройки всей таблицы */
.gameboard > .cell-net {
  position: relative;
  display: grid;
  overflow: clip;
  width: 100%;
  height: 90vw;
  max-height: 450px;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 5%;
}

.gameboard > .shield {
  position: absolute;
  z-index: 5;
  width: 100%;
  height: 100%;
  top: 0;
  opacity: 0;
}

/* настройки ячейки */
.gameboard > .cell-net > .visible-cell {
  position: relative;

  background-color: #6f90cb;
  cursor: pointer;
}
.gameboard > .cell-net > .visible-cell::before,
.gameboard > .cell-net > .visible-cell::after {
  content: "";
  position: absolute;
  border-width: 0px;

  transform: scale(.85);
}


.gameboard > #cell-1[data-figure="x"] ~ .cell-net > .visible-cell[data-num="1"]::before,
.gameboard > #cell-1[data-figure="x"] ~ .cell-net > .visible-cell[data-num="1"]::after,
.gameboard > #cell-2[data-figure="x"] ~ .cell-net > .visible-cell[data-num="2"]::before,
.gameboard > #cell-2[data-figure="x"] ~ .cell-net > .visible-cell[data-num="2"]::after,
.gameboard > #cell-3[data-figure="x"] ~ .cell-net > .visible-cell[data-num="3"]::before,
.gameboard > #cell-3[data-figure="x"] ~ .cell-net > .visible-cell[data-num="3"]::after,
.gameboard > #cell-4[data-figure="x"] ~ .cell-net > .visible-cell[data-num="4"]::before,
.gameboard > #cell-4[data-figure="x"] ~ .cell-net > .visible-cell[data-num="4"]::after,
.gameboard > #cell-5[data-figure="x"] ~ .cell-net > .visible-cell[data-num="5"]::before,
.gameboard > #cell-5[data-figure="x"] ~ .cell-net > .visible-cell[data-num="5"]::after,
.gameboard > #cell-6[data-figure="x"] ~ .cell-net > .visible-cell[data-num="6"]::before,
.gameboard > #cell-6[data-figure="x"] ~ .cell-net > .visible-cell[data-num="6"]::after,
.gameboard > #cell-7[data-figure="x"] ~ .cell-net > .visible-cell[data-num="7"]::before,
.gameboard > #cell-7[data-figure="x"] ~ .cell-net > .visible-cell[data-num="7"]::after,
.gameboard > #cell-8[data-figure="x"] ~ .cell-net > .visible-cell[data-num="8"]::before,
.gameboard > #cell-8[data-figure="x"] ~ .cell-net > .visible-cell[data-num="8"]::after,
.gameboard > #cell-9[data-figure="x"] ~ .cell-net > .visible-cell[data-num="9"]::before,
.gameboard > #cell-9[data-figure="x"] ~ .cell-net > .visible-cell[data-num="9"]::after {
  display: block;
  width: 100%;
  height: 0;

  margin: auto;
  top: 0;
  bottom: 0;
  transform: scale(1);
  transition: border-width .1s ease-out;

  border: solid #26252d 5px;
  border-radius: 2px;
}

.gameboard > #cell-1[data-figure="x"] ~ .cell-net > .visible-cell[data-num="1"]::before,
.gameboard > #cell-2[data-figure="x"] ~ .cell-net > .visible-cell[data-num="2"]::before,
.gameboard > #cell-3[data-figure="x"] ~ .cell-net > .visible-cell[data-num="3"]::before,
.gameboard > #cell-4[data-figure="x"] ~ .cell-net > .visible-cell[data-num="4"]::before,
.gameboard > #cell-5[data-figure="x"] ~ .cell-net > .visible-cell[data-num="5"]::before,
.gameboard > #cell-6[data-figure="x"] ~ .cell-net > .visible-cell[data-num="6"]::before,
.gameboard > #cell-7[data-figure="x"] ~ .cell-net > .visible-cell[data-num="7"]::before,
.gameboard > #cell-8[data-figure="x"] ~ .cell-net > .visible-cell[data-num="8"]::before,
.gameboard > #cell-9[data-figure="x"] ~ .cell-net > .visible-cell[data-num="9"]::before {
  transform: rotate(45deg);
}

.gameboard > #cell-1[data-figure="x"] ~ .cell-net > .visible-cell[data-num="1"]::after,
.gameboard > #cell-2[data-figure="x"] ~ .cell-net > .visible-cell[data-num="2"]::after,
.gameboard > #cell-3[data-figure="x"] ~ .cell-net > .visible-cell[data-num="3"]::after,
.gameboard > #cell-4[data-figure="x"] ~ .cell-net > .visible-cell[data-num="4"]::after,
.gameboard > #cell-5[data-figure="x"] ~ .cell-net > .visible-cell[data-num="5"]::after,
.gameboard > #cell-6[data-figure="x"] ~ .cell-net > .visible-cell[data-num="6"]::after,
.gameboard > #cell-7[data-figure="x"] ~ .cell-net > .visible-cell[data-num="7"]::after,
.gameboard > #cell-8[data-figure="x"] ~ .cell-net > .visible-cell[data-num="8"]::after,
.gameboard > #cell-9[data-figure="x"] ~ .cell-net > .visible-cell[data-num="9"]::after {
  transform: rotate(-45deg);
}


.gameboard > #cell-1[data-figure="0"] ~ .cell-net > .visible-cell[data-num="1"]::before,
.gameboard > #cell-2[data-figure="0"] ~ .cell-net > .visible-cell[data-num="2"]::before,
.gameboard > #cell-3[data-figure="0"] ~ .cell-net > .visible-cell[data-num="3"]::before,
.gameboard > #cell-4[data-figure="0"] ~ .cell-net > .visible-cell[data-num="4"]::before,
.gameboard > #cell-5[data-figure="0"] ~ .cell-net > .visible-cell[data-num="5"]::before,
.gameboard > #cell-6[data-figure="0"] ~ .cell-net > .visible-cell[data-num="6"]::before,
.gameboard > #cell-7[data-figure="0"] ~ .cell-net > .visible-cell[data-num="7"]::before,
.gameboard > #cell-8[data-figure="0"] ~ .cell-net > .visible-cell[data-num="8"]::before,
.gameboard > #cell-9[data-figure="0"] ~ .cell-net > .visible-cell[data-num="9"]::before {
  display: block;
  width: 90%;
  height: 90%;

  margin-top: 5%;
  margin-left: 5%;
  transform: scale(1);
  transition: transform .1s ease-out, border-width .1s ease-out;

  border-radius: 50%;
  border: solid 10px #26252d;
  box-sizing: border-box;
}


/* черты в конце игры */

@keyframes trait-horizonatal {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

@keyframes trait-vertical {
  from {
    height: 0;
  }
  to {
    height: 100%;
  }
}

@keyframes trait-diagonal {
  from {
    width: 0;
  }
  to {
    width: 141%;
  }
}

.cell-net > .trait {
  border: solid #26252d 10px;
  border-radius: 1px;
  position: absolute;
  display: none;
}

/* horizontal */
#cell-1[data-figure="x"] ~ #cell-2[data-figure="x"] ~ #cell-3[data-figure="x"] ~ .cell-net > .trait,
#cell-1[data-figure="0"] ~ #cell-2[data-figure="0"] ~ #cell-3[data-figure="0"] ~ .cell-net > .trait,
#cell-4[data-figure="x"] ~ #cell-5[data-figure="x"] ~ #cell-6[data-figure="x"] ~ .cell-net > .trait,
#cell-4[data-figure="0"] ~ #cell-5[data-figure="0"] ~ #cell-6[data-figure="0"] ~ .cell-net > .trait,
#cell-7[data-figure="x"] ~ #cell-8[data-figure="x"] ~ #cell-9[data-figure="x"] ~ .cell-net > .trait,
#cell-7[data-figure="0"] ~ #cell-8[data-figure="0"] ~ #cell-9[data-figure="0"] ~ .cell-net > .trait {
  display: block;
  transform: translateY(-10px);
  animation: trait-horizonatal 1s ease forwards;

  left: 0;
}
#cell-1[data-figure="x"] ~ #cell-2[data-figure="x"] ~ #cell-3[data-figure="x"] ~ .cell-net > .trait,
#cell-1[data-figure="0"] ~ #cell-2[data-figure="0"] ~ #cell-3[data-figure="0"] ~ .cell-net > .trait {
  top: 15%;
}
#cell-4[data-figure="x"] ~ #cell-5[data-figure="x"] ~ #cell-6[data-figure="x"] ~ .cell-net > .trait,
#cell-4[data-figure="0"] ~ #cell-5[data-figure="0"] ~ #cell-6[data-figure="0"] ~ .cell-net > .trait {
  top: 50%;
}
#cell-7[data-figure="x"] ~ #cell-8[data-figure="x"] ~ #cell-9[data-figure="x"] ~ .cell-net > .trait,
#cell-7[data-figure="0"] ~ #cell-8[data-figure="0"] ~ #cell-9[data-figure="0"] ~ .cell-net > .trait {
  top: 85%;
}
/* vertical */
#cell-1[data-figure="x"] ~ #cell-4[data-figure="x"] ~ #cell-7[data-figure="x"] ~ .cell-net > .trait,
#cell-1[data-figure="0"] ~ #cell-4[data-figure="0"] ~ #cell-7[data-figure="0"] ~ .cell-net > .trait,
#cell-2[data-figure="x"] ~ #cell-5[data-figure="x"] ~ #cell-8[data-figure="x"] ~ .cell-net > .trait,
#cell-2[data-figure="0"] ~ #cell-5[data-figure="0"] ~ #cell-8[data-figure="0"] ~ .cell-net > .trait,
#cell-3[data-figure="x"] ~ #cell-6[data-figure="x"] ~ #cell-9[data-figure="x"] ~ .cell-net > .trait,
#cell-3[data-figure="0"] ~ #cell-6[data-figure="0"] ~ #cell-9[data-figure="0"] ~ .cell-net > .trait {
  display: block;
  transform: translateX(-10px);
  animation: trait-vertical 1s ease forwards;

  top: 0;
}
#cell-1[data-figure="x"] ~ #cell-4[data-figure="x"] ~ #cell-7[data-figure="x"] ~ .cell-net > .trait,
#cell-1[data-figure="0"] ~ #cell-4[data-figure="0"] ~ #cell-7[data-figure="0"] ~ .cell-net > .trait {
  left: 15%;
}
#cell-2[data-figure="x"] ~ #cell-5[data-figure="x"] ~ #cell-8[data-figure="x"] ~ .cell-net > .trait,
#cell-2[data-figure="0"] ~ #cell-5[data-figure="0"] ~ #cell-8[data-figure="0"] ~ .cell-net > .trait {
  left: 50%;
}
#cell-3[data-figure="x"] ~ #cell-6[data-figure="x"] ~ #cell-9[data-figure="x"] ~ .cell-net > .trait,
#cell-3[data-figure="0"] ~ #cell-6[data-figure="0"] ~ #cell-9[data-figure="0"] ~ .cell-net > .trait {
  left: 85%;
}
/* diagonal */
#cell-1[data-figure="x"] ~ #cell-5[data-figure="x"] ~ #cell-9[data-figure="x"] ~ .cell-net > .trait,
#cell-1[data-figure="0"] ~ #cell-5[data-figure="0"] ~ #cell-9[data-figure="0"] ~ .cell-net > .trait,
#cell-3[data-figure="x"] ~ #cell-5[data-figure="x"] ~ #cell-7[data-figure="x"] ~ .cell-net > .trait,
#cell-3[data-figure="0"] ~ #cell-5[data-figure="0"] ~ #cell-7[data-figure="0"] ~ .cell-net > .trait {
  display: block;
  animation: trait-diagonal 1s ease forwards;
}
/* orig diagonal */
#cell-1[data-figure="x"] ~ #cell-5[data-figure="x"] ~ #cell-9[data-figure="x"] ~ .cell-net > .trait,
#cell-1[data-figure="0"] ~ #cell-5[data-figure="0"] ~ #cell-9[data-figure="0"] ~ .cell-net > .trait {
  transform: translateY(-5.85px) translate(-7.07px, -7.07px) rotate(45deg);
  transform-origin: left bottom;
  left: 0;
  right: auto;
  top: 0;
}
/* reverse diagonal */
#cell-3[data-figure="x"] ~ #cell-5[data-figure="x"] ~ #cell-7[data-figure="x"] ~ .cell-net > .trait,
#cell-3[data-figure="0"] ~ #cell-5[data-figure="0"] ~ #cell-7[data-figure="0"] ~ .cell-net > .trait {
  transform: translateY(-5.85px) translate(7.07px, -7.07px) rotate(-45deg);
  transform-origin: right bottom;
  right: 0;
  left: auto;
  top: 0;
}