html {
  scroll-behavior: smooth;
}

*{
  margin: 0px;
  padding: 0px;
  box-sizing: border-box;
  overflow: hidden;
}

/* This keeps child nodes hidden while the element loads */
:not(:defined) > * {
  display: none;
}

model-viewer {
  background-color: #eee;
  overflow-x: hidden;
}

/* Button styles */
.icon-button {
  border: none;
  background: transparent;
  padding: 10px;
  font-size: 24px;
  cursor: pointer;
  border-radius: 8px;
  transition: transform 0.2s ease-in-out;
  z-index: 10;
}

.icon-button:focus {
  outline: none;
}

.icon-button:hover {
  transform: scale(1.1);
}

/* Positioning for the buttons */
#toggle-skybox-button {
  position: absolute;
  top: 16px;
  left: 16px;
  color: #4285f4;
}

#horn-button {
  position: absolute;
  top: 80px;
  left: 16px;
  color: #f4a261;
}

#info-button {
  position: absolute;
  top: 16px;
  right: 16px;
  color: #34a853;
}

#info-box {
  position: absolute;
  top: 68px;
  right: 17px;
  background-color: #ffffff;
  color: #333;
  padding: 15px;  
  border-radius: 10px;
  box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.1);
  display: none;
  max-width: 300px;
  z-index: 15;
  transform: translateY(-100%);
  opacity: 0;
}

#info-box h3 {
  font-family: sans-serif;
}

#info-box p {
  font-family: sans-serif;
}

#info-box button {
  margin-top: 10px;
  padding: 8px;
  font-size: 16px;
  cursor: pointer;
  border: none;
  background-color: #4285f4;
  color: white;
  border-radius: 5px;
  transition: background-color 0.3s;
}

#info-box button:hover {
  background-color: #34a853;
}

/* Screenshot button */
#screenshot-button, #ar-button {
  position: absolute;
  top: 140px;
  left: 16px;
  color: #f4a261;
}

.slider {
  width: 100%;
  text-align: center;
  overflow: hidden;
  position: absolute;
  bottom: 16px;
  margin: 0px 0px 0px 20px;
}

.slides {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  margin-right: 30px;
}

.slide {
  scroll-snap-align: start;
  flex-shrink: 0;
  width: 88px;
  height: 88px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  background-color: #fff;
  margin-right: 10px;
  border-radius: 10px;
  border: none;
  display: flex;
}

.slide.selected {
  border: 2px solid #4285f4;
}

.slide:focus {
  outline: none;
}

.slide:focus-visible {
  outline: 1px solid #4285f4;
}

/* Custom scrollbar styles for modern browsers */
.slides::-webkit-scrollbar {
  width: 10px; /* Width of the scrollbar */
  height: 10px; /* Height of the horizontal scrollbar */
}

.slides::-webkit-scrollbar-track {
  background: #f4f4f4; /* Track background */
  border-radius: 10px; /* Rounded corners for the track */
}

.slides::-webkit-scrollbar-thumb {
  background: gray; /* Thumb color */
  border-radius: 10px; /* Rounded corners for the thumb */
  border: 2px solid #f4f4f4; /* Optional: Create padding around the thumb */
}

.slides::-webkit-scrollbar-thumb:hover {
  background: gray; /* Thumb color on hover */
}

/* Firefox scrollbar styles */
.slides {
  scrollbar-width: thin; /* Make the scrollbar thin */
  scrollbar-color: gray; /* Thumb color and track color */
}

/* Memory Card */
.memory-card {
  perspective: 1000px;
  margin: 5px;
}

.front, .back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 5px; /* Optional: for rounded corners */
}

.front {
  background-color: #fff;
}

.back {
  transform: rotateY(180deg);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;  /* Initially hide the back */
}

.memory-card.flip .back {
  transform: rotateY(0deg);
  opacity: 1;  /* Make the back visible when flipped */
}

.memory-card.flip .front {
  transform: rotateY(180deg);
}

button#close-memory-box{
  position: absolute;
  right: 20px;
  top: 20px;
}

/* Memory Box */
.memory-box {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 20px;
  display: none;
  width: 80%;
  max-width: 700px; /* Adjust width */
  height: 90%;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
  z-index: 10;
  overflow: auto;
}

/* Grid Layout for 20 cards */
#memory-game-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr); /* 4 columns for 20 cards */
  grid-template-rows: repeat(6, 1fr);    /* 5 rows */
  gap: 10px;                             /* Adjust gap between cards */
  margin-top: 20px;
}

/* Individual memory card */
.memory-card {
  width: 100px;
  height: 100px;
  background-color: #ccc;
  position: relative;
  cursor: pointer;
  transition: transform 0.5s ease;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  transform-style: preserve-3d;  /* Enable 3D flip effect */
}

/* Front side of the memory card */
.memory-card .front {
  width: 100%;
  height: 100%;
  background-color: #444;
  border-radius: 8px;
  position: absolute;
  backface-visibility: hidden;
}

/* Back side of the memory card */
.memory-card .back {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: white;
  border-radius: 8px;
  visibility: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  backface-visibility: hidden;
  transform: rotateY(180deg); /* Flip back to back */
}

/* Flip the card to reveal the back side */
.memory-card.flip .back {
  visibility: visible;
}

/* Prevent image overflow, ensure proper scaling */
.memory-card img {
  width: 80%;
  height: 80%;
  object-fit: contain;
  border-radius: 5px;
}

/* Flip animation styles */
.memory-card.flip .front {
  transform: rotateY(180deg);
}

/* Copy Code Button */
.copy-button {
  position: absolute;
  top: 70px !important;
  right: 12px !important;
  color: #4285f4; /* Customize color */
}

/* Gamepad Button */
.gamepad-button {
  position: absolute;
  top: 127.2px  !important;
  right: 12px !important;
  color: #f4a261; /* Customize color */
}

#ar-button{
  top: 195px;
  left: 11px;
}

.ar-img{
  width: 36px;
  height: 36px;
}

.fa-volume-up, .fa-volume-down, .fa-code{
  color: #f39c12
}

.fa-camera,.fa-gamepad{
  color: #15ac54;
}

.fa-image, .fa-info-circle, .fa-info{
  color: #3498db;
}

.play-btn, .pause-btn, .reset-btn{
  padding: 6px 11px  !important;
}

.fa-play, .fa-pause, .fa-undo{
  font-size: 16px;
  margin-top: 4px;
}

.i-btn{
  top: 11.4px !important;
}

/* Custom scrollbar styles */
#memory-box::-webkit-scrollbar {
  width: 8px; /* Width of the scrollbar */
}

#memory-box::-webkit-scrollbar-thumb {
  background-color: #555; /* Color of the scrollbar thumb */
  border-radius: 10px; /* Rounded corners for the thumb */
  border: 2px solid #222; /* Border around the thumb */
}

#memory-box::-webkit-scrollbar-track {
  background-color: #333; /* Color of the track */
  border-radius: 10px; /* Rounded corners for the track */
}

/* When hovered, change the scrollbar thumb color */
#memory-box::-webkit-scrollbar-thumb:hover {
  background-color: #777; /* Lighten the color of the thumb on hover */
}

/* Media Queries for responsiveness */
@media (max-width: 768px) {
  /* Adjust button sizes and positions */
  #toggle-skybox-button,
  #horn-button,
  #info-button,
  #screenshot-button {
    font-size: 20px;
    padding: 8px;
  }

  .slider {
    bottom: 10px;
    margin: 0px;
  }

  .slides {
    margin-right: 10px;
    margin-left: 20px;
  }

  .slide {
    width: 70px;
    height: 70px;
  }

  .memory-box {
    width: 90%;
    height: 80%;
  }

  #memory-game-grid {
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: repeat(4, 1fr);
    margin-left: 6px;
  }

  .memory-card {
    width: 80px;
    height: 80px;
  }

  #info-box button {
    padding: 6px;
  }

  .i-btn{
    top: 11.4px !important;
    font-size: 28px !important;
  }

  .copy-button {
    top: 71.6px !important; /* Adjust position */
    font-size: 28px !important;
  }

  .gamepad-button {
    top: 134.7px !important; /* Adjust position */
    font-size: 28px !important;
  }

  .icon-button{
    font-size: 28px !important;
  }

  .animal-name{
    font-size: 25px !important;
  }

  #animal-fact{
    font-size: 19px !important;
  }

  .play-btn, .pause-btn, .reset-btn{
    padding: 7px 13px  !important;
  }

  .fa-play, .fa-pause, .fa-undo{
    font-size: 19px;
    margin-top: 4px;
  }

  #ar-button{
    left: 7px;
  }

  .ar-img{
    width: 44px;
    height: 44px;
  }

}

@media (max-width: 480px) {
  
  #info-box {
    width: 280px !important;
    right: 20px !important;
  }

  .memory-box {
    width: 78%;
    height: 70%;
  }

  #memory-game-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(4, 1fr);
  }

  .memory-card {
    width: 70px;
    height: 70px;
  }

   /* For mobile devices */
  .icon-button {
    padding: 6px;
    font-size: 24px !important;
  }

  .copy-button {
    top: 75px !important; /* Adjust position */
  }

  .gamepad-button {
    top: 137px !important; /* Adjust position */
  }

  .animal-name{
    font-size: 22px !important;
  }

  #animal-fact{
    font-size: 17px !important;
  }

  .play-btn, .pause-btn, .reset-btn{
    padding: 6px 12px  !important;
  }

  .fa-play, .fa-pause, .fa-undo{
    font-size: 18px;
    margin-top: 5px;
  }

  .ar-img{
    width: 40px;
    height: 40px;
  }

  #ar-button{
    left: 12px;
  }
  
}

@media (min-width: 420px) and (max-width: 480px) {
  .i-btn{
    top: 11.4px !important;
  }

  .copy-button {
    top: 71.6px !important; /* Adjust position */
  }

  .gamepad-button {
    top: 134.7px !important; /* Adjust position */
  }

}


@media (min-width: 320px) and (max-width: 420px){

#memory-game-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(4, 1fr);
    margin-left: 4px !important;
  }

  .memory-card {
    width: 60px;
    height: 60px;
  }

}

@media (min-width: 320px) and (max-width: 420px){

#memory-game-grid {
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(4, 1fr);
  margin-left: 4px !important;
}

.memory-card {
  width: 60px;
  height: 60px;
}

}

@media (min-width: 320px) and (max-width: 360px){

  #memory-game-grid {
    margin-left: 3px !important;
  }

  .memory-card {
    width: 55px;
    height: 55px;
  }

  h3.game-head{
    font-size: 19px;
    margin-bottom: 0px;
  }

  #score{
    font-size: 21px;
    margin-top: 14px;
  }

  #turns, #timer{
    font-size: 14px;;
  }

  #close-memory-box{
    right: 0px
  }

}

@media (min-width: 350px) and (max-width: 360px){
#memory-game-grid {
  margin-left: 4px !important;
}
}

@media (min-width: 430px) and (max-width: 480px){

#score{
  font-size: 21px;
  margin-top: 14px;
}

#memory-game-grid {
   margin-left: 11px !important;
}
}

@media (min-width: 480px) and (max-width: 600px){
#memory-game-grid {
  grid-template-columns: repeat(4, 1fr);
  margin-left: 13px !important;
}

h3.game-head{
  font-size: 22px;
  margin-bottom: 0px;
}

#score{
  font-size: 23px;
  margin-top: 17px;
}
}

@media (min-width: 800px) and (max-width: 1000px){

#memory-game-grid {
  grid-template-columns: repeat(4, 1fr);
  margin-left: 13px !important;
}

h3.game-head{
  font-size: 30px;
  margin-bottom: 0px;
}

#score{
  font-size: 28px;
}

.game-section{
  margin: 10px;
}

.memory-card {
  width: 110px;
  height: 110px;
}

#turns, #timer{
  font-size: 20px;
}

.fa-volume-up, .fa-volume-down, .fa-code, .fa-camera,.fa-gamepad, .fa-image, .fa-info-circle, .fa-info{
  font-size: 29px;
}

.copy-button{
  top: 71.4px !important;
}

.gamepad-button{
  top: 131.4px !important;
}

.i-btn{
  top: 10.4px !important;
}

.ar-img{
  width: 46px;
  height: 46px;
}

#ar-button{
  left: 9px;
}

}