* {
  font-family: "Share Tech Mono", monospace;
}

#menu {
  background: #005a78;
  color: #fff;
  height: 50px;
  padding-left: 18px;
  border-radius: 0px;
}
#menu ul,
#menu li {
  margin: 0 auto;
  padding: 0;
  list-style: none;
}
#menu ul {
  width: 100%;
}
#menu li {
  float: left;
  display: inline;
  position: relative;
}
#menu a {
  display: block;
  line-height: 50px;
  padding: 0 14px;
  text-decoration: none;
  color: #ffffff;
  font-size: 16px;
}
#menu a.dropdown-arrow:after {
  content: "\25BE";
  margin-left: 5px;
}
#menu li a:hover {
  color: #0099cc;
  background: #f2f2f2;
}
#menu input {
  display: none;
  margin: 0;
  padding: 0;
  height: 50px;
  width: 100%;
  opacity: 0;
  cursor: pointer;
}
#menu label {
  display: none;
  line-height: 50px;
  text-align: center;
  position: absolute;
  left: 35px;
}
#menu label:before {
  font-size: 1.6em;
  content: "\2261";
  margin-left: 20px;
}
#menu ul.sub-menus {
  height: auto;
  overflow: hidden;
  width: 170px;
  background: #444444;
  position: absolute;
  z-index: 99;
  display: none;
}
#menu ul.sub-menus li {
  display: block;
  width: 100%;
}
#menu ul.sub-menus a {
  color: #ffffff;
  font-size: 16px;
}
#menu li:hover ul.sub-menus {
  display: block;
}
#menu ul.sub-menus a:hover {
  background: #f2f2f2;
  color: #444444;
}
@media screen and (max-width: 800px) {
  #menu {
    position: relative;
  }
  #menu ul {
    background: #111;
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    z-index: 3;
    height: auto;
    display: none;
  }
  #menu ul.sub-menus {
    width: 100%;
    position: static;
  }
  #menu ul.sub-menus a {
    padding-left: 30px;
  }
  #menu li {
    display: block;
    float: none;
    width: auto;
  }
  #menu input,
  #menu label {
    position: absolute;
    top: 0;
    left: 0;
    display: block;
  }
  #menu input {
    z-index: 4;
  }
  #menu input:checked + label {
    color: white;
  }
  #menu input:checked + label:before {
    content: "\00d7";
  }
  #menu input:checked ~ ul {
    display: block;
  }
}

#board,
.boardInfo {
  max-width: 70vh;
}

.gamebody {
  background-color: rgb(81, 230, 230);
}

#box {
  padding-top: 5vh;
  padding-left: 62vh;
}

@media (max-width: 600px) {
  #box {
    padding-top: 0;
    padding-left: 0;
  }
}

#info {
  font-size: 4vh;
}

#board {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
}

#start,
.boardInfo {
  font-size: 25px;
}

#gameOver {
  display: none;
}

.boardInfo {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
}

#start {
  background-color: #f35a69;
  border: none;
  color: white;
}

#scoreBoard {
  display: inline-flex;
}

.square {
  aspect-ratio: 1;
}

.emptySquare {
  background-color: #6d71b5;
}

.snakeSquare {
  background-color: #e3e773;
}

.foodSquare {
  background-color: #f74e4e;
  border: 1px solid #000;
}
.notification-popup {
  display: none;
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 15px 25px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  font-family: Arial, sans-serif;
  font-size: 16px;
  z-index: 1000;
  transition: all 0.4s ease-in-out;
  max-width: 90%;
}

.notification-popup.active {
  display: block;
  animation: slideUp 0.4s ease-out;
}

@keyframes slideUp {
  0% {
    opacity: 0;
    transform: translateX(-50%) translateY(50px);
  }
  100% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.backbutton {
  position: fixed;
  bottom: 0;
  right: 0;
  margin-bottom: 100px;
  margin-right: 100px;
  background-color: #f35a69;
}

.backbutton a {
  text-decoration: none;
  color: white;
  border-radius: 5px;
  font-size: 16px;
}

@media screen and (max-width: 700px) {
  .backbutton {
    margin-right: 20px;
    margin-bottom: 20px;
  }
}