* {
  /* background-color: rgba(0, 0, 0, .1); */
  box-sizing: border-box;
  user-select: none;
  cursor: default;
}
body {
  margin: 0;
  width: 100vw;
  height: 100vh;
}
@media (max-width: 768px) {
  body.iframe-active {
    outline: 5px dashed #bbada0;
    outline-offset: -5px;
    border-radius: 8px;
  }
}

p {
  color: #776e65;
  margin: 0;
  line-height: 25px;
  font-size: 16px;
}

button,
button:focus {
  /* width: 150px; */
  height: 50px;
  border-radius: 3px;
  display: block;
  border: #8f7a66;
  outline: none;
  background: #8f7a66;
  cursor: pointer;
  color: #f9f6f2;
  line-height: 40px;
  text-align: center;
  font-size: 20px;
  font-weight: bold;
}

.blog-content {
  width: 500px;
  margin: 0px auto;
  padding: 20px 0;
}

h1.title {
  color: #776e65;
  font-size: 80px;
  font-weight: bold;
  margin: 0;
  display: block;
  float: left;
}

.score-container {
  background: #bbada0;
  padding: 10px 25px;
  font-size: 25px;
  height: 70px;
  line-height: 25px;
  font-weight: bold;
  border-radius: 3px;
  color: white;
  margin-top: 8px;
  text-align: center;
  float: right;
}

#score {
  padding-top: 5px;
}

.game-intro {
  float: left;
  line-height: 40px;
}

.game-intro p {
  margin-top: 12.5px;
}

.how-to-play {
  float: left;
  margin-top: 20px;
}

.above-game:after {
  content: '';
  display: block;
  clear: both;
}

.new-game {
  width: 137.43px;
  /* height: 40px; */
  float: right;
}

.game-container {
  position: relative;
  /* z-index: -1; */
  width: 500px;
  height: 500px;
  margin-top: 20px;
  padding: 14px;
  background: #bbada0;
  border-radius: 6px;
}

.grid-container {
  position: absolute;
  z-index: 0;
  width: 472px;
  height: 472px;
}

.grid-row {
  width: 472px;
  height: 107.5px;
  margin-bottom: 14px;
}

.grid-cell {
  width: 107.5px;
  height: 107.5px;
  margin-right: 14px;
  float: left;
  border-radius: 3px;
  background: #cdc1b4;
}

.grid-cell:last-child {
  margin-right: 0;
}

@keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 0.73;
  }
}

.show-result {
  z-index: 100;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  background: rgba(238, 228, 218, 0.73);
  border-radius: 6px;
  animation: fadeIn 500ms linear;
  /* padding-top: 200px; */
}

.show-result p {
  color: #776e65;
  text-align: center;
  line-height: 40px;
  font-size: 40px;
  font-weight: bold;
}

.show-result * {
  margin-top: 20px;
  margin-left: auto;
  margin-right: auto;
}

/* ------------------tiles---------------------- */

.tile-container {
  position: absolute;
  z-index: 1;
}

.tile {
  /* background: red; */
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  width: 107.5px;
  height: 107.5px;
  border-radius: 3px;
  transition-property: transform;
  transition-duration: 200ms;
}

.tile.tile-position-0-0 {
  transform: translate(0, 0);
}

.tile.tile-position-0-1 {
  transform: translate(121.5px, 0);
}

.tile.tile-position-0-2 {
  transform: translate(243px, 0);
}

.tile.tile-position-0-3 {
  transform: translate(364.5px, 0);
}

.tile.tile-position-1-0 {
  transform: translate(0, 121.5px);
}

.tile.tile-position-1-1 {
  transform: translate(121.5px, 121.5px);
}

.tile.tile-position-1-2 {
  transform: translate(243px, 121.5px);
}

.tile.tile-position-1-3 {
  transform: translate(364.5px, 121.5px);
}

.tile.tile-position-2-0 {
  transform: translate(0, 243px);
}

.tile.tile-position-2-1 {
  transform: translate(121.5px, 243px);
}

.tile.tile-position-2-2 {
  transform: translate(243px, 243px);
}

.tile.tile-position-2-3 {
  transform: translate(364.5px, 243px);
}

.tile.tile-position-3-0 {
  transform: translate(0, 364.5px);
}

.tile.tile-position-3-1 {
  transform: translate(121.5px, 364.5px);
}

.tile.tile-position-3-2 {
  transform: translate(243px, 364.5px);
}

.tile.tile-position-3-3 {
  transform: translate(364.5px, 364.5px);
}

/* ---------------------------val--------------------- */

.inner-val {
  border-radius: 3px;
  font-weight: bold;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
}

.val-2 {
  width: 100%;
  height: 100%;
  background: #eee4da;
  font-size: 60px;
  color: #776e65;
}

.val-4 {
  width: 100%;
  height: 100%;
  background: #ede0c8;
  font-size: 60px;
  color: #776e65;
}

.val-8 {
  width: 100%;
  height: 100%;
  background: #f2b179;
  font-size: 60px;
  color: #f9f6f2;
}

.val-16 {
  width: 100%;
  height: 100%;
  background: #f59563;
  font-size: 60px;
  color: #f9f6f2;
}

.val-32 {
  width: 100%;
  height: 100%;
  background: #f67c5f;
  font-size: 60px;
  color: #f9f6f2;
}

.val-64 {
  width: 100%;
  height: 100%;
  background: #f65e3b;
  font-size: 60px;
  color: #f9f6f2;
}

.val-128 {
  width: 100%;
  height: 100%;
  background: #edcf72;
  font-size: 47px;
  color: #f9f6f2;
}

.val-256 {
  width: 100%;
  height: 100%;
  background: #edcc61;
  font-size: 47px;
  color: #f9f6f2;
}

.val-512 {
  width: 100%;
  height: 100%;
  background: #edc850;
  font-size: 47px;
  color: #f9f6f2;
}

.val-1024 {
  width: 100%;
  height: 100%;
  background: #edc53f;
  font-size: 37px;
  color: #f9f6f2;
}

.val-2048 {
  width: 100%;
  height: 100%;
  background: #edc22e;
  font-size: 37px;
  color: #f9f6f2;
}

.val-4096 {
  width: 100%;
  height: 100%;
  background: #3c3a32;
  font-size: 37px;
  color: #f9f6f2;
}

/* new的时候scale */

@keyframes pop {
  0% {
    transform: scale(0);
  }
  100% {
    transform: scale(1);
  }
}

.tile-new .inner-val {
  animation: pop 200ms linear;
}

/* merge的时候pop */

@keyframes popup {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
  }
}

.tile-merged .inner-val {
  z-index: 20;
  animation: popup 200ms linear;
}