@import url(fonts/clear-sans.css);
html, body {
  margin: 0;
  padding: 0;
  background: #faf8ef;
  color: #776e65;
  font-family: "Clear Sans", "Helvetica Neue", Arial, sans-serif;
  font-size: 18px; }

body {
  margin: 80px 0; }

.heading:after {
  content: "";
  display: block;
  clear: both; }

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

@-webkit-keyframes move-up {
  0% {
    top: 25px;
    opacity: 1; }

  100% {
    top: -50px;
    opacity: 0; } }
@-moz-keyframes move-up {
  0% {
    top: 25px;
    opacity: 1; }

  100% {
    top: -50px;
    opacity: 0; } }
@keyframes move-up {
  0% {
    top: 25px;
    opacity: 1; }

  100% {
    top: -50px;
    opacity: 0; } }
.scores-container {
  float: right;
  text-align: right; }

.score-container, .best-container {
  position: relative;
  display: inline-block;
  background: #bbada0;
  padding: 15px 25px;
  font-size: 25px;
  height: 25px;
  line-height: 47px;
  font-weight: bold;
  border-radius: 3px;
  color: white;
  margin-top: 8px;
  text-align: center; }
  .score-container:after, .best-container:after {
    position: absolute;
    width: 100%;
    top: 10px;
    left: 0;
    text-transform: uppercase;
    font-size: 13px;
    line-height: 13px;
    text-align: center;
    color: #eee4da; }
  .score-container .score-addition, .best-container .score-addition {
    position: absolute;
    right: 30px;
    color: red;
    font-size: 25px;
    line-height: 25px;
    font-weight: bold;
    color: rgba(119, 110, 101, 0.9);
    z-index: 100;
    -webkit-animation: move-up 600ms ease-in;
    -moz-animation: move-up 600ms ease-in;
    animation: move-up 600ms ease-in;
    -webkit-animation-fill-mode: both;
    -moz-animation-fill-mode: both;
    animation-fill-mode: both; }

.score-container:after {
  content: "Score"; }

.best-container:after {
  content: "Best"; }

p {
  margin-top: 0;
  margin-bottom: 10px;
  line-height: 1.65; }

a {
  color: #776e65;
  font-weight: bold;
  text-decoration: underline;
  cursor: pointer; }

strong.important {
  text-transform: uppercase; }

hr {
  border: none;
  border-bottom: 1px solid #d8d4d0;
  margin-top: 20px;
  margin-bottom: 30px; }

.container {
  width: 500px;
  margin: 0 auto; }

.move-controls {
  display: grid;
  grid-template-columns: repeat(3, 64px);
  grid-template-areas:
    ". up ."
    "left down right";
  gap: 10px;
  justify-content: center;
  margin: 20px auto 6px; }

.move-button {
  width: 64px;
  height: 54px;
  border: 0;
  border-radius: 6px;
  background: #8f7a66;
  color: #f9f6f2;
  font: inherit;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  touch-action: manipulation; }

.move-button:active {
  background: #776e65;
  transform: translateY(1px); }

.move-up { grid-area: up; }
.move-left { grid-area: left; }
.move-down { grid-area: down; }
.move-right { grid-area: right; }

@-webkit-keyframes fade-in {
  0% {
    opacity: 0; }

  100% {
    opacity: 1; } }
@-moz-keyframes fade-in {
  0% {
    opacity: 0; }

  100% {
    opacity: 1; } }
@keyframes fade-in {
  0% {
    opacity: 0; }

  100% {
    opacity: 1; } }
.game-container {
  margin-top: 40px;
  position: relative;
  padding: 15px;
  cursor: default;
  -webkit-touch-callout: none;
  -ms-touch-callout: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  -ms-touch-action: none;
  touch-action: none;
  background: #bbada0;
  border-radius: 6px;
  width: 500px;
  height: 500px;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box; }
  .game-container .game-message {
    display: none;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: rgba(238, 228, 218, 0.5);
    z-index: 100;
    text-align: center;
    -webkit-animation: fade-in 800ms ease 1200ms;
    -moz-animation: fade-in 800ms ease 1200ms;
    animation: fade-in 800ms ease 1200ms;
    -webkit-animation-fill-mode: both;
    -moz-animation-fill-mode: both;
    animation-fill-mode: both; }
    .game-container .game-message p {
      font-size: 60px;
      font-weight: bold;
      height: 60px;
      line-height: 60px;
      margin-top: 222px; }
    .game-container .game-message .lower {
      display: block;
      margin-top: 59px; }
    .game-container .game-message a {
      display: inline-block;
      background: #8f7a66;
      border-radius: 3px;
      padding: 0 20px;
      text-decoration: none;
      color: #f9f6f2;
      height: 40px;
      line-height: 42px;
      margin-left: 9px; }
      .game-container .game-message a.keep-playing-button {
        display: none; }
    .game-container .game-message.game-won {
      background: rgba(237, 194, 46, 0.5);
      color: #f9f6f2; }
      .game-container .game-message.game-won a.keep-playing-button {
        display: inline-block; }
    .game-container .game-message.game-won, .game-container .game-message.game-over {
      display: block; }

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

.grid-row {
  margin-bottom: 15px; }
  .grid-row:last-child {
    margin-bottom: 0; }
  .grid-row:after {
    content: "";
    display: block;
    clear: both; }

.grid-cell {
  width: 106.25px;
  height: 106.25px;
  margin-right: 15px;
  float: left;
  border-radius: 3px;
  background: rgba(238, 228, 218, 0.35); }
  .grid-cell:last-child {
    margin-right: 0; }

.tile-container {
  position: absolute;
  z-index: 2; }

.tile, .tile .tile-inner {
  width: 107px;
  height: 107px;
  line-height: 107px; }
.tile.tile-position-1-1 {
  -webkit-transform: translate(0px, 0px);
  -moz-transform: translate(0px, 0px);
  -ms-transform: translate(0px, 0px);
  transform: translate(0px, 0px); }
.tile.tile-position-1-2 {
  -webkit-transform: translate(0px, 121px);
  -moz-transform: translate(0px, 121px);
  -ms-transform: translate(0px, 121px);
  transform: translate(0px, 121px); }
.tile.tile-position-1-3 {
  -webkit-transform: translate(0px, 242px);
  -moz-transform: translate(0px, 242px);
  -ms-transform: translate(0px, 242px);
  transform: translate(0px, 242px); }
.tile.tile-position-1-4 {
  -webkit-transform: translate(0px, 363px);
  -moz-transform: translate(0px, 363px);
  -ms-transform: translate(0px, 363px);
  transform: translate(0px, 363px); }
.tile.tile-position-2-1 {
  -webkit-transform: translate(121px, 0px);
  -moz-transform: translate(121px, 0px);
  -ms-transform: translate(121px, 0px);
  transform: translate(121px, 0px); }
.tile.tile-position-2-2 {
  -webkit-transform: translate(121px, 121px);
  -moz-transform: translate(121px, 121px);
  -ms-transform: translate(121px, 121px);
  transform: translate(121px, 121px); }
.tile.tile-position-2-3 {
  -webkit-transform: translate(121px, 242px);
  -moz-transform: translate(121px, 242px);
  -ms-transform: translate(121px, 242px);
  transform: translate(121px, 242px); }
.tile.tile-position-2-4 {
  -webkit-transform: translate(121px, 363px);
  -moz-transform: translate(121px, 363px);
  -ms-transform: translate(121px, 363px);
  transform: translate(121px, 363px); }
.tile.tile-position-3-1 {
  -webkit-transform: translate(242px, 0px);
  -moz-transform: translate(242px, 0px);
  -ms-transform: translate(242px, 0px);
  transform: translate(242px, 0px); }
.tile.tile-position-3-2 {
  -webkit-transform: translate(242px, 121px);
  -moz-transform: translate(242px, 121px);
  -ms-transform: translate(242px, 121px);
  transform: translate(242px, 121px); }
.tile.tile-position-3-3 {
  -webkit-transform: translate(242px, 242px);
  -moz-transform: translate(242px, 242px);
  -ms-transform: translate(242px, 242px);
  transform: translate(242px, 242px); }
.tile.tile-position-3-4 {
  -webkit-transform: translate(242px, 363px);
  -moz-transform: translate(242px, 363px);
  -ms-transform: translate(242px, 363px);
  transform: translate(242px, 363px); }
.tile.tile-position-4-1 {
  -webkit-transform: translate(363px, 0px);
  -moz-transform: translate(363px, 0px);
  -ms-transform: translate(363px, 0px);
  transform: translate(363px, 0px); }
.tile.tile-position-4-2 {
  -webkit-transform: translate(363px, 121px);
  -moz-transform: translate(363px, 121px);
  -ms-transform: translate(363px, 121px);
  transform: translate(363px, 121px); }
.tile.tile-position-4-3 {
  -webkit-transform: translate(363px, 242px);
  -moz-transform: translate(363px, 242px);
  -ms-transform: translate(363px, 242px);
  transform: translate(363px, 242px); }
.tile.tile-position-4-4 {
  -webkit-transform: translate(363px, 363px);
  -moz-transform: translate(363px, 363px);
  -ms-transform: translate(363px, 363px);
  transform: translate(363px, 363px); }

.tile {
  position: absolute;
  -webkit-transition: 100ms ease-in-out;
  -moz-transition: 100ms ease-in-out;
  transition: 100ms ease-in-out;
  -webkit-transition-property: -webkit-transform;
  -moz-transition-property: -moz-transform;
  transition-property: transform; }
  .tile .tile-inner {
    border-radius: 3px;
    background: #eee4da;
    text-align: center;
    font-weight: bold;
    z-index: 10;
    font-size: 55px; }
  .tile.tile-2 .tile-inner {
    background: #eee4da;
    box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0), inset 0 0 0 1px rgba(255, 255, 255, 0); }
  .tile.tile-4 .tile-inner {
    background: #ede0c8;
    box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0), inset 0 0 0 1px rgba(255, 255, 255, 0); }
  .tile.tile-8 .tile-inner {
    color: #f9f6f2;
    background: #f2b179; }
  .tile.tile-16 .tile-inner {
    color: #f9f6f2;
    background: #f59563; }
  .tile.tile-32 .tile-inner {
    color: #f9f6f2;
    background: #f67c5f; }
  .tile.tile-64 .tile-inner {
    color: #f9f6f2;
    background: #f65e3b; }
  .tile.tile-128 .tile-inner {
    color: #f9f6f2;
    background: #edcf72;
    box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.2381), inset 0 0 0 1px rgba(255, 255, 255, 0.14286);
    font-size: 45px; }
    @media screen and (max-width: 520px) {
      .tile.tile-128 .tile-inner {
        font-size: 25px; } }
  .tile.tile-256 .tile-inner {
    color: #f9f6f2;
    background: #edcc61;
    box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.31746), inset 0 0 0 1px rgba(255, 255, 255, 0.19048);
    font-size: 45px; }
    @media screen and (max-width: 520px) {
      .tile.tile-256 .tile-inner {
        font-size: 25px; } }
  .tile.tile-512 .tile-inner {
    color: #f9f6f2;
    background: #edc850;
    box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.39683), inset 0 0 0 1px rgba(255, 255, 255, 0.2381);
    font-size: 45px; }
    @media screen and (max-width: 520px) {
      .tile.tile-512 .tile-inner {
        font-size: 25px; } }
  .tile.tile-1024 .tile-inner {
    color: #f9f6f2;
    background: #edc53f;
    box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.47619), inset 0 0 0 1px rgba(255, 255, 255, 0.28571);
    font-size: 35px; }
    @media screen and (max-width: 520px) {
      .tile.tile-1024 .tile-inner {
        font-size: 15px; } }
  .tile.tile-2048 .tile-inner {
    color: #f9f6f2;
    background: #edc22e;
    box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.55556), inset 0 0 0 1px rgba(255, 255, 255, 0.33333);
    font-size: 35px; }
    @media screen and (max-width: 520px) {
      .tile.tile-2048 .tile-inner {
        font-size: 15px; } }
  .tile.tile-super .tile-inner {
    color: #f9f6f2;
    background: #3c3a32;
    font-size: 30px; }
    @media screen and (max-width: 520px) {
      .tile.tile-super .tile-inner {
        font-size: 10px; } }

@-webkit-keyframes appear {
  0% {
    opacity: 0;
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -ms-transform: scale(0);
    transform: scale(0); }

  100% {
    opacity: 1;
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    -ms-transform: scale(1);
    transform: scale(1); } }
@-moz-keyframes appear {
  0% {
    opacity: 0;
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -ms-transform: scale(0);
    transform: scale(0); }

  100% {
    opacity: 1;
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    -ms-transform: scale(1);
    transform: scale(1); } }
@keyframes appear {
  0% {
    opacity: 0;
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -ms-transform: scale(0);
    transform: scale(0); }

  100% {
    opacity: 1;
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    -ms-transform: scale(1);
    transform: scale(1); } }
.tile-new .tile-inner {
  -webkit-animation: appear 200ms ease 100ms;
  -moz-animation: appear 200ms ease 100ms;
  animation: appear 200ms ease 100ms;
  -webkit-animation-fill-mode: backwards;
  -moz-animation-fill-mode: backwards;
  animation-fill-mode: backwards; }

@-webkit-keyframes pop {
  0% {
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -ms-transform: scale(0);
    transform: scale(0); }

  50% {
    -webkit-transform: scale(1.2);
    -moz-transform: scale(1.2);
    -ms-transform: scale(1.2);
    transform: scale(1.2); }

  100% {
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    -ms-transform: scale(1);
    transform: scale(1); } }
@-moz-keyframes pop {
  0% {
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -ms-transform: scale(0);
    transform: scale(0); }

  50% {
    -webkit-transform: scale(1.2);
    -moz-transform: scale(1.2);
    -ms-transform: scale(1.2);
    transform: scale(1.2); }

  100% {
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    -ms-transform: scale(1);
    transform: scale(1); } }
@keyframes pop {
  0% {
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -ms-transform: scale(0);
    transform: scale(0); }

  50% {
    -webkit-transform: scale(1.2);
    -moz-transform: scale(1.2);
    -ms-transform: scale(1.2);
    transform: scale(1.2); }

  100% {
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    -ms-transform: scale(1);
    transform: scale(1); } }
.tile-merged .tile-inner {
  z-index: 20;
  -webkit-animation: pop 200ms ease 100ms;
  -moz-animation: pop 200ms ease 100ms;
  animation: pop 200ms ease 100ms;
  -webkit-animation-fill-mode: backwards;
  -moz-animation-fill-mode: backwards;
  animation-fill-mode: backwards; }

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

.game-intro {
  float: left;
  line-height: 42px;
  margin-bottom: 0; }

.restart-button {
  display: inline-block;
  background: #8f7a66;
  border-radius: 3px;
  padding: 0 20px;
  text-decoration: none;
  color: #f9f6f2;
  height: 40px;
  line-height: 42px;
  display: block;
  text-align: center;
  float: right; }

.game-explanation {
  margin-top: 50px; }

@media screen and (max-width: 520px) {
  html, body {
    font-size: 15px; }

  body {
    margin: 20px 0;
    padding: 0 20px; }

  h1.title {
    font-size: 27px;
    margin-top: 15px; }

  .container {
    width: 280px;
    margin: 0 auto; }

  .score-container, .best-container {
    margin-top: 0;
    padding: 15px 10px;
    min-width: 40px; }

  .heading {
    margin-bottom: 10px; }

  .game-intro {
    width: 55%;
    display: block;
    box-sizing: border-box;
    line-height: 1.65; }

  .restart-button {
    width: 42%;
    padding: 0;
    display: block;
    box-sizing: border-box;
    margin-top: 2px; }

  .game-container {
    margin-top: 17px;
    position: relative;
    padding: 10px;
    cursor: default;
    -webkit-touch-callout: none;
    -ms-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -ms-touch-action: none;
    touch-action: none;
    background: #bbada0;
    border-radius: 6px;
    width: 280px;
    height: 280px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box; }
    .game-container .game-message {
      display: none;
      position: absolute;
      top: 0;
      right: 0;
      bottom: 0;
      left: 0;
      background: rgba(238, 228, 218, 0.5);
      z-index: 100;
      text-align: center;
      -webkit-animation: fade-in 800ms ease 1200ms;
      -moz-animation: fade-in 800ms ease 1200ms;
      animation: fade-in 800ms ease 1200ms;
      -webkit-animation-fill-mode: both;
      -moz-animation-fill-mode: both;
      animation-fill-mode: both; }
      .game-container .game-message p {
        font-size: 60px;
        font-weight: bold;
        height: 60px;
        line-height: 60px;
        margin-top: 222px; }
      .game-container .game-message .lower {
        display: block;
        margin-top: 59px; }
      .game-container .game-message a {
        display: inline-block;
        background: #8f7a66;
        border-radius: 3px;
        padding: 0 20px;
        text-decoration: none;
        color: #f9f6f2;
        height: 40px;
        line-height: 42px;
        margin-left: 9px; }
        .game-container .game-message a.keep-playing-button {
          display: none; }
      .game-container .game-message.game-won {
        background: rgba(237, 194, 46, 0.5);
        color: #f9f6f2; }
        .game-container .game-message.game-won a.keep-playing-button {
          display: inline-block; }
      .game-container .game-message.game-won, .game-container .game-message.game-over {
        display: block; }

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

  .grid-row {
    margin-bottom: 10px; }
    .grid-row:last-child {
      margin-bottom: 0; }
    .grid-row:after {
      content: "";
      display: block;
      clear: both; }

  .grid-cell {
    width: 57.5px;
    height: 57.5px;
    margin-right: 10px;
    float: left;
    border-radius: 3px;
    background: rgba(238, 228, 218, 0.35); }
    .grid-cell:last-child {
      margin-right: 0; }

  .tile-container {
    position: absolute;
    z-index: 2; }

  .tile, .tile .tile-inner {
    width: 58px;
    height: 58px;
    line-height: 58px; }
  .tile.tile-position-1-1 {
    -webkit-transform: translate(0px, 0px);
    -moz-transform: translate(0px, 0px);
    -ms-transform: translate(0px, 0px);
    transform: translate(0px, 0px); }
  .tile.tile-position-1-2 {
    -webkit-transform: translate(0px, 67px);
    -moz-transform: translate(0px, 67px);
    -ms-transform: translate(0px, 67px);
    transform: translate(0px, 67px); }
  .tile.tile-position-1-3 {
    -webkit-transform: translate(0px, 135px);
    -moz-transform: translate(0px, 135px);
    -ms-transform: translate(0px, 135px);
    transform: translate(0px, 135px); }
  .tile.tile-position-1-4 {
    -webkit-transform: translate(0px, 202px);
    -moz-transform: translate(0px, 202px);
    -ms-transform: translate(0px, 202px);
    transform: translate(0px, 202px); }
  .tile.tile-position-2-1 {
    -webkit-transform: translate(67px, 0px);
    -moz-transform: translate(67px, 0px);
    -ms-transform: translate(67px, 0px);
    transform: translate(67px, 0px); }
  .tile.tile-position-2-2 {
    -webkit-transform: translate(67px, 67px);
    -moz-transform: translate(67px, 67px);
    -ms-transform: translate(67px, 67px);
    transform: translate(67px, 67px); }
  .tile.tile-position-2-3 {
    -webkit-transform: translate(67px, 135px);
    -moz-transform: translate(67px, 135px);
    -ms-transform: translate(67px, 135px);
    transform: translate(67px, 135px); }
  .tile.tile-position-2-4 {
    -webkit-transform: translate(67px, 202px);
    -moz-transform: translate(67px, 202px);
    -ms-transform: translate(67px, 202px);
    transform: translate(67px, 202px); }
  .tile.tile-position-3-1 {
    -webkit-transform: translate(135px, 0px);
    -moz-transform: translate(135px, 0px);
    -ms-transform: translate(135px, 0px);
    transform: translate(135px, 0px); }
  .tile.tile-position-3-2 {
    -webkit-transform: translate(135px, 67px);
    -moz-transform: translate(135px, 67px);
    -ms-transform: translate(135px, 67px);
    transform: translate(135px, 67px); }
  .tile.tile-position-3-3 {
    -webkit-transform: translate(135px, 135px);
    -moz-transform: translate(135px, 135px);
    -ms-transform: translate(135px, 135px);
    transform: translate(135px, 135px); }
  .tile.tile-position-3-4 {
    -webkit-transform: translate(135px, 202px);
    -moz-transform: translate(135px, 202px);
    -ms-transform: translate(135px, 202px);
    transform: translate(135px, 202px); }
  .tile.tile-position-4-1 {
    -webkit-transform: translate(202px, 0px);
    -moz-transform: translate(202px, 0px);
    -ms-transform: translate(202px, 0px);
    transform: translate(202px, 0px); }
  .tile.tile-position-4-2 {
    -webkit-transform: translate(202px, 67px);
    -moz-transform: translate(202px, 67px);
    -ms-transform: translate(202px, 67px);
    transform: translate(202px, 67px); }
  .tile.tile-position-4-3 {
    -webkit-transform: translate(202px, 135px);
    -moz-transform: translate(202px, 135px);
    -ms-transform: translate(202px, 135px);
    transform: translate(202px, 135px); }
  .tile.tile-position-4-4 {
    -webkit-transform: translate(202px, 202px);
    -moz-transform: translate(202px, 202px);
    -ms-transform: translate(202px, 202px);
    transform: translate(202px, 202px); }

  .tile .tile-inner {
    font-size: 35px; }

  .game-message p {
    font-size: 30px !important;
    height: 30px !important;
    line-height: 30px !important;
    margin-top: 90px !important; }
  .game-message .lower {
    margin-top: 30px !important; } }

/* Bitesize Arcade premium skin: same 2048 logic, richer arcade presentation. */
html,
body {
  background:
    radial-gradient(circle at 18% 12%, rgba(75, 231, 255, 0.18), transparent 34%),
    radial-gradient(circle at 82% 10%, rgba(255, 200, 87, 0.14), transparent 30%),
    linear-gradient(180deg, #07111b 0%, #101923 52%, #1a1018 100%);
  color: #fff4df;
}

body {
  min-height: 100vh;
  margin: 0;
  padding: 24px 0;
}

.container {
  position: relative;
  width: min(500px, calc(100vw - 28px));
}

.heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 12px;
}

h1.title {
  float: none;
  color: #fff4df;
  font-size: clamp(56px, 14vw, 82px);
  letter-spacing: -0.03em;
  line-height: 0.88;
  text-shadow: 0 16px 34px rgba(0, 0, 0, 0.42);
}

.scores-container {
  float: none;
  display: flex;
  gap: 8px;
}

.score-container,
.best-container {
  min-width: 88px;
  height: auto;
  min-height: 58px;
  margin: 0;
  border: 1px solid rgba(255, 244, 223, 0.14);
  border-radius: 12px;
  padding: 21px 14px 9px;
  color: #fff4df;
  background:
    linear-gradient(180deg, rgba(255, 244, 223, 0.12), rgba(255, 244, 223, 0.05)),
    rgba(7, 17, 27, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 244, 223, 0.08);
  font-size: 24px;
  line-height: 1;
}

.score-container:after,
.best-container:after {
  top: 8px;
  color: rgba(255, 244, 223, 0.58);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.above-game {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}

.game-intro,
.game-explanation {
  color: rgba(255, 244, 223, 0.72);
}

.restart-button,
.keep-playing-button,
.retry-button,
.move-button {
  border: 1px solid rgba(255, 200, 87, 0.3);
  border-radius: 999px;
  color: #1b1209 !important;
  background: linear-gradient(180deg, #ffd36a, #ff9548) !important;
  box-shadow: 0 12px 24px rgba(255, 149, 72, 0.22);
  text-decoration: none;
}

.game-container {
  margin-top: 12px;
  border: 1px solid rgba(75, 231, 255, 0.22);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 244, 223, 0.09), rgba(255, 244, 223, 0.04)),
    rgba(6, 14, 22, 0.94);
  box-shadow:
    0 24px 70px rgba(0, 0, 0, 0.46),
    inset 0 1px 0 rgba(255, 244, 223, 0.08);
}

.grid-cell {
  border-radius: 12px;
  background: rgba(255, 244, 223, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 244, 223, 0.05);
}

.tile .tile-inner {
  border-radius: 12px;
  color: #1b130f;
  background: linear-gradient(180deg, #fff3d4, #f0d8aa);
  box-shadow:
    0 8px 18px rgba(0, 0, 0, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.tile.tile-4 .tile-inner { background: linear-gradient(180deg, #ffe7ad, #ffc96a); }
.tile.tile-8 .tile-inner { color: #fff4df; background: linear-gradient(180deg, #ffb35f, #f36a35); }
.tile.tile-16 .tile-inner { color: #fff4df; background: linear-gradient(180deg, #ff7c5a, #e23d31); }
.tile.tile-32 .tile-inner { color: #fff4df; background: linear-gradient(180deg, #fd5f67, #c72f52); }
.tile.tile-64 .tile-inner { color: #fff4df; background: linear-gradient(180deg, #b66cff, #6d4dff); }
.tile.tile-128 .tile-inner,
.tile.tile-256 .tile-inner,
.tile.tile-512 .tile-inner {
  color: #07111b;
  background: linear-gradient(180deg, #6fffe0, #33c8ff);
}
.tile.tile-1024 .tile-inner,
.tile.tile-2048 .tile-inner {
  color: #07111b;
  background: linear-gradient(180deg, #fff478, #ffbd31);
  box-shadow:
    0 0 24px rgba(255, 212, 72, 0.42),
    0 10px 24px rgba(0, 0, 0, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.game-container .game-message {
  border-radius: 18px;
  background: rgba(7, 17, 27, 0.82);
  color: #fff4df;
  backdrop-filter: blur(10px);
}

.move-controls {
  gap: 9px;
  margin-top: 14px;
}

.move-button {
  width: 62px;
  height: 50px;
  font-size: 24px;
}

@media screen and (max-width: 520px) {
  html,
  body {
    max-width: 100%;
    overflow-x: hidden;
  }

  body {
    padding: 14px 0;
  }

  .container {
    width: min(100%, calc(100vw - 20px));
  }

  .heading {
    display: grid;
    grid-template-columns: 1fr;
    align-items: start;
    gap: 10px;
  }

  h1.title {
    font-size: clamp(48px, 18vw, 70px);
  }

  .scores-container {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .score-container,
  .best-container {
    min-width: 0;
    flex: 1;
    padding-right: 8px;
    padding-left: 8px;
  }

  .above-game {
    grid-template-columns: 1fr;
  }

  .game-explanation {
    font-size: 15px;
    line-height: 1.45;
  }
}

@media screen and (max-height: 840px) and (min-width: 521px) {
  html,
  body {
    overflow: hidden;
  }

  .container {
    transform: scale(0.88);
    transform-origin: top center;
  }

  .game-explanation {
    display: none;
  }

  .move-controls {
    margin-top: 10px;
  }
}