@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;700;800&display=swap');

:root {
  --bg: #F2F2F7;
  --surface: #FFFFFF;
  --primary: #007AFF;
  --text: #000000;
  --textSec: #8E8E93;
  --accent: #5856D6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #09090B;
    --surface: #18181B;
    --primary: #007AFF;
    --text: #FAFAFA;
    --textSec: #A1A1AA;
    --accent: #5856D6;
  }
}

html.dark {
  --bg: #09090B;
  --surface: #18181B;
  --primary: #007AFF;
  --text: #FAFAFA;
  --textSec: #A1A1AA;
  --accent: #5856D6;
}

html,
body {
  margin: 0;
  padding: 0;
  background-color: var(--bg);
  color: var(--text);
  font-family: "Outfit", "Helvetica Neue", Arial, sans-serif;
  font-size: 18px;
  transition: background-color 0.3s ease, color 0.3s ease;
}

body {
  margin: 80px 0;
}

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

h1.title {
  font-size: 80px;
  font-weight: 800;
  margin: 0;
  display: block;
  float: left;
  color: var(--primary);
  text-shadow: none;
  /* Removing harsh shadow for cleaner UI */
}

@-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;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--textSec);
  padding: 0;
  width: 55px;
  height: 55px;
  border-radius: 12px;
  color: var(--text);
  margin-right: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  cursor: pointer;
  transition: all 0.2s ease;
  vertical-align: top;
  margin-top: 8px;
}

.theme-toggle:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-2px);
}

.theme-toggle svg {
  width: 24px;
  height: 24px;
}

.score-container,
.best-container {
  position: relative;
  display: inline-block;
  background: var(--surface);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--textSec);
  padding: 15px 25px;
  font-size: 25px;
  height: 25px;
  line-height: 47px;
  font-weight: bold;
  border-radius: 12px;
  color: var(--text);
  text-shadow: none;
  margin-top: 8px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  /* Softer shadow */
}

.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;
}

@-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;
  user-select: none;
  /* Added standard property */
  -ms-touch-action: none;
  touch-action: none;
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--textSec);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  border-radius: 16px;
  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(247, 37, 133, 0.8);
  /* Semi-transparent pink for overlay */
  backdrop-filter: blur(8px);
  border-radius: 16px;
  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: var(--primary);
  border-radius: 8px;
  padding: 0 20px;
  text-decoration: none;
  color: #ffffff;
  height: 40px;
  line-height: 42px;
  margin-left: 9px;
  font-weight: bold;
  transition: background 0.2s ease, transform 0.2s ease;
}

.game-container .game-message a:hover {
  background: var(--accent);
  transform: scale(1.05);
}

.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: 8px;
  /* Slightly rounder cells */
  background: var(--bg);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

.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: 8px;
  background: var(--surface);
  text-align: center;
  font-weight: 800;
  z-index: 10;
  font-size: 55px;
  color: var(--text);
  border: 1px solid var(--textSec);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

/* Glass OS color palette for tiles: Soft Blues to Deep Indigo/Purples */
.tile.tile-2 .tile-inner {
  background: rgba(0, 122, 255, 0.05);
}

.tile.tile-4 .tile-inner {
  background: rgba(0, 122, 255, 0.15);
}

.tile.tile-8 .tile-inner {
  background: rgba(0, 122, 255, 0.3);
  color: #ffffff;
  border-color: rgba(0, 122, 255, 0.5);
}

.tile.tile-16 .tile-inner {
  background: rgba(0, 122, 255, 0.5);
  color: #ffffff;
  border-color: rgba(0, 122, 255, 0.7);
}

.tile.tile-32 .tile-inner {
  background: rgba(88, 86, 214, 0.6);
  /* Shift to Accent Indigo */
  color: #ffffff;
  border-color: rgba(88, 86, 214, 0.8);
}

.tile.tile-64 .tile-inner {
  background: rgba(88, 86, 214, 0.8);
  color: #ffffff;
  border-color: rgba(88, 86, 214, 1);
}

.tile.tile-128 .tile-inner {
  background: rgba(175, 82, 222, 0.8);
  /* Shift to Purple */
  color: #ffffff;
  font-size: 45px;
  border-color: rgba(175, 82, 222, 1);
}

@media screen and (max-width: 520px) {
  .tile.tile-128 .tile-inner {
    font-size: 25px;
  }
}

.tile.tile-256 .tile-inner {
  background: rgba(175, 82, 222, 1);
  color: #ffffff;
  font-size: 45px;
  border-color: rgba(255, 255, 255, 0.3);
}

@media screen and (max-width: 520px) {
  .tile.tile-256 .tile-inner {
    font-size: 25px;
  }
}

.tile.tile-512 .tile-inner {
  background: rgba(255, 45, 85, 0.8);
  /* Shift to Pink/Red */
  color: #ffffff;
  font-size: 45px;
  border-color: rgba(255, 45, 85, 1);
}

@media screen and (max-width: 520px) {
  .tile.tile-512 .tile-inner {
    font-size: 25px;
  }
}

.tile.tile-1024 .tile-inner {
  background: rgba(255, 45, 85, 1);
  color: #ffffff;
  font-size: 35px;
  border-color: rgba(255, 255, 255, 0.5);
}

@media screen and (max-width: 520px) {
  .tile.tile-1024 .tile-inner {
    font-size: 15px;
  }
}

.tile.tile-2048 .tile-inner {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #ffffff;
  font-size: 35px;
  border-color: rgba(255, 255, 255, 0.8);
  box-shadow: 0 0 20px rgba(0, 122, 255, 0.6), inset 0 0 0 1px rgba(255, 255, 255, 0.5);
}

@media screen and (max-width: 520px) {
  .tile.tile-2048 .tile-inner {
    font-size: 15px;
  }
}

.tile.tile-super .tile-inner {
  color: #ffffff;
  background: #000000;
  font-size: 30px;
  border-color: #ffffff;
}

@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: var(--primary);
  border-radius: 8px;
  padding: 0 20px;
  text-decoration: none;
  color: #ffffff;
  height: 40px;
  line-height: 42px;
  display: block;
  text-align: center;
  float: right;
  font-weight: bold;
  transition: background 0.2s ease, transform 0.2s ease;
}

.restart-button:hover {
  background: var(--accent);
  transform: translateY(-2px);
}

.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: var(--surface);
    border: 1px solid var(--textSec);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-radius: 12px;
    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: 6px;
    background: var(--bg);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.08);
  }

  .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: 30px;
  }

  .tile.tile-128 .tile-inner,
  .tile.tile-256 .tile-inner {
    font-size: 22px;
  }

  .tile.tile-512 .tile-inner {
    font-size: 20px;
  }

  .tile.tile-1024 .tile-inner,
  .tile.tile-2048 .tile-inner {
    font-size: 15px;
  }

  .tile.tile-super .tile-inner {
    font-size: 12px;
  }

  .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;
  }
}