html,
body {
  margin: 0;
  padding: 0;
  background: #faf8ef;
  color: #7a7a7a;
  font-family: "Winky Sans", "Helvetica Neue", Arial, sans-serif;
  font-size: 18px;
  min-height: 100vh;
  width: 100%;
  overflow-x: hidden;
}

body {
  background-image: url('../assets/mug-bg.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 0;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(2, 10, 4, 0.8);
  z-index: 0;
  pointer-events: none;
}

.heading {
  text-align: center;
  margin-bottom: 10px;
}

h1.title {
  font-size: 80px;
  font-weight: bold;
  margin: 0;
  margin-bottom: 50px;
  display: block;
  color: #ffffff;
  text-align: center;
}

h1.title .title-logo {
  height: 120px;
  width: auto;
  display: block;
  margin: 0 auto;
  border-radius: 15px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

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

  100% {
    top: -50px;
    opacity: 0;
  }
}

.scores-container {
  display: flex;
  gap: 30px;
  justify-content: center;
  margin-bottom: 30px;
  width: 100%;
}

.score-container,
.best-container {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: bold;
  color: white;
  width: 150px;
  padding: 15px 15px 15px 80px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.score-container:after,
.best-container:after {
  content: '';
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 60px;
  height: 60px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.score-container:after {
  background-image: url('../assets/score-2.png');
}

.best-container:after {
  background-image: url('../assets/best-score-2.png');
}

.score-container .score-addition {
  position: absolute;
  right: -20px;
  top: -20px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 20px;
  font-weight: bold;
  animation: move-up 600ms ease-in;
  animation-fill-mode: both;
  pointer-events: none;
}

.score-label,
.best-label {
  font-size: 13px;
  text-transform: uppercase;
  color: #eee4da;
  margin-bottom: 5px;
}

@media screen and (max-width: 520px) {
  h1.title {
    font-size: 50px;
    margin-bottom: 20px;
  }

  .scores-container {
    flex-direction: row;
    gap: 20px;
    justify-content: center;
    margin-bottom: 20px;
  }

  .score-container,
  .best-container {
    width: 120px;
    font-size: 18px;
    padding: 10px 10px 10px 65px;
  }
  
  .score-container:after,
  .best-container:after {
    width: 50px;
    height: 50px;
    left: 8px;
  }
}

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

a {
  color: #ffffff;
  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 {
  position: relative;
  z-index: 1;
  width: 500px;
  margin: 0 auto;
}

@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;
  animation: fade-in 800ms ease 1200ms;
  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: rgba(76, 175, 80, 0.9);
  border-radius: 3px;
  padding: 0 20px;
  text-decoration: none;
  color: #ffffff;
  height: 40px;
  line-height: 42px;
  margin-left: 9px;
  transition: background-color 0.2s ease;
}

.game-container .game-message a:hover {
  background: rgba(56, 142, 60, 0.95);
}

.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 {
  transform: translate(0px, 0px);
}

.tile.tile-position-1-2 {
  transform: translate(0px, 121px);
}

.tile.tile-position-1-3 {
  transform: translate(0px, 242px);
}

.tile.tile-position-1-4 {
  transform: translate(0px, 363px);
}

.tile.tile-position-2-1 {
  transform: translate(121px, 0px);
}

.tile.tile-position-2-2 {
  transform: translate(121px, 121px);
}

.tile.tile-position-2-3 {
  transform: translate(121px, 242px);
}

.tile.tile-position-2-4 {
  transform: translate(121px, 363px);
}

.tile.tile-position-3-1 {
  transform: translate(242px, 0px);
}

.tile.tile-position-3-2 {
  transform: translate(242px, 121px);
}

.tile.tile-position-3-3 {
  transform: translate(242px, 242px);
}

.tile.tile-position-3-4 {
  transform: translate(242px, 363px);
}

.tile.tile-position-4-1 {
  transform: translate(363px, 0px);
}

.tile.tile-position-4-2 {
  transform: translate(363px, 121px);
}

.tile.tile-position-4-3 {
  transform: translate(363px, 242px);
}

.tile.tile-position-4-4 {
  transform: translate(363px, 363px);
}

.tile {
  position: absolute;
  transition: 100ms ease-in-out;
  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: 40px;
}

.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;
}

.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;
}

.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;
}

.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;
}

.tile.tile-super .tile-inner {
  color: #f9f6f2;
  background: #3c3a32;
  font-size: 30px;
}

@keyframes appear {
  0% {
    opacity: 0;
    transform: scale(0);
  }

  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.tile-new .tile-inner {
  animation: appear 200ms ease 100ms;
  animation-fill-mode: backwards;
}

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

  50% {
    transform: scale(1.2);
  }

  100% {
    transform: scale(1);
  }
}

.tile-merged .tile-inner {
  z-index: 20;
  animation: pop 200ms ease 100ms;
  animation-fill-mode: backwards;
}

.above-game {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.game-intro {
  margin: 0;
  line-height: 1.65;
  color: #f4f4f4;
  flex: 1;
  padding-right: 15px;
}

.restart-button {
  display: inline-block;
  background: #1b5e20;
  border-radius: 6px;
  padding: 0;
  text-decoration: none;
  color: #ffffff;
  height: 40px;
  width: 120px;
  line-height: 42px;
  display: block;
  text-align: center;
  float: right;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
  border: 2px solid #2e7d32;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.restart-button:hover {
  background: #2e7d32;
  transform: scale(1.05);
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.3);
}

.game-explanation {
  margin-top: 50px;
  color: #f4f4f4;
}

@media screen and (max-width: 520px) {
  html,
  body {
    font-size: 15px;
    padding: 0;
    margin: 0;
    width: 100%;
  }

  body {
    padding: 0;
    margin: 0;
  }

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

  .game-container {
    margin: 17px auto;
    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;
  }

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

  .score-container,
  .best-container {
    padding: 25px 15px 10px;
    height: 30px;
    line-height: 30px;
  }

  .score-container:after,
  .best-container:after {
    top: 6px;
  }

  .heading {
    margin-bottom: 10px;
  }

  .game-intro {
    width: 55%;
    display: block;
    box-sizing: border-box;
    line-height: 1.65;
    padding-right: 10px;
  }

  .restart-button {
    width: 42%;
    height: 40px;
    margin-top: 2px;
  }

  .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;
  }

  .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 {
    transform: translate(0px, 0px);
  }

  .tile.tile-position-1-2 {
    transform: translate(0px, 67px);
  }

  .tile.tile-position-1-3 {
    transform: translate(0px, 135px);
  }

  .tile.tile-position-1-4 {
    transform: translate(0px, 202px);
  }

  .tile.tile-position-2-1 {
    transform: translate(67px, 0px);
  }

  .tile.tile-position-2-2 {
    transform: translate(67px, 67px);
  }

  .tile.tile-position-2-3 {
    transform: translate(67px, 135px);
  }

  .tile.tile-position-2-4 {
    transform: translate(67px, 202px);
  }

  .tile.tile-position-3-1 {
    transform: translate(135px, 0px);
  }

  .tile.tile-position-3-2 {
    transform: translate(135px, 67px);
  }

  .tile.tile-position-3-3 {
    transform: translate(135px, 135px);
  }

  .tile.tile-position-3-4 {
    transform: translate(135px, 202px);
  }

  .tile.tile-position-4-1 {
    transform: translate(202px, 0px);
  }

  .tile.tile-position-4-2 {
    transform: translate(202px, 67px);
  }

  .tile.tile-position-4-3 {
    transform: translate(202px, 135px);
  }

  .tile.tile-position-4-4 {
    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;
  }

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

  .tile.tile-256 .tile-inner {
    font-size: 25px;
  }

  .tile.tile-512 .tile-inner {
    font-size: 25px;
  }

  .tile.tile-1024 .tile-inner {
    font-size: 20px;
  }

  .tile.tile-2048 .tile-inner {
    font-size: 20px;
  }

  .tile.tile-super .tile-inner {
    font-size: 18px;
  }
}

.icon {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.onlypepes-link {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: inline-block;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  transition: transform 0.2s ease;
  background: rgba(255, 255, 255, 0.1);
  z-index: 1000;
}

.onlypepes-link:hover {
  transform: scale(1.1);
  background: rgba(255, 255, 255, 0.2);
}

@media screen and (max-width: 520px) {
  .onlypepes-link {
    bottom: 10px;
    right: 10px;
    width: 30px;
    height: 30px;
  }
}

.new-game-image {
  width: auto;
  height: 100%;
  object-fit: contain;
  position: absolute;
  top: 0;
  left: 0;
  max-width: 100%;
  max-height: 100%;
  pointer-events: none;
}

@media screen and (max-width: 520px) {
  .new-game-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }
}

/* Music player styles */
.music-toggle-container {
  display: inline-block;
  margin-left: 10px;
  vertical-align: middle;
}

.music-toggle {
  position: relative;
  display: inline-block;
  background: #8f7a66;
  border-radius: 50%;
  padding: 10px;
  width: 60px;
  height: 60px;
  text-align: center;
  line-height: 40px;
  color: white;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.music-toggle:hover {
  background-color: #9f8b77;
}

.music-toggle:active {
  transform: scale(0.9);
}

.music-icon {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.music-toggle.muted .music-icon {
  opacity: 0.5;
}

.music-toggle.muted::after {
  content: "";
  position: absolute;
  width: 40px;
  height: 3px;
  background-color: #d94141;
  transform: rotate(-45deg);
  top: 28px;
  left: 10px;
}

@media screen and (max-width: 520px) {
  .music-toggle {
    width: 45px;
    height: 45px;
    padding: 8px;
    line-height: 29px;
  }
  
  .music-toggle.muted::after {
    width: 32px;
    height: 2px;
    top: 22px;
    left: 7px;
  }
}