/* Tongji University SSE
*    1850477 邓欣凌
*     Web 课程作业
*/


@import url('https://fonts.googleapis.com/css?family=Press+Start+2P');
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@700&display=swap');

body {
  margin: 0;
  font-family: 'Press Start 2P', cursive;
  font-size: 2em;
  color: white;
  overflow: hidden;
}
button {
  outline: none;
  cursor: pointer;
  border: none;
}
.music {
  font-family: 'Nunito', sans-serif;
  font-size: 13px;
  color: rgb(53, 53, 53);
  background: #EFEFEF;
  border-radius: 50px;
  width: 50px;
  height: 30px;
  position: fixed;
  bottom: 100px;
  right: 60px;

  display: flex;
  justify-content: center;
  align-items: center;

  box-shadow: 5px 10px 18px #57565646;
  font-weight: bold;

  cursor: pointer;
  z-index:9;
}
#music-on {
  visibility: visible;
  cursor: pointer;

}
#music-close {
  visibility: hidden;
  cursor: pointer;

}
#counter {
  position: absolute;
  color:black;
  top: 60px;
  right: 20px;
  background-color: violet;
}
#show-level {
  position: absolute;
  color:black;
  top: 15px;
  right: 20px;
  position: flex;
  background-color: violet;
}
#end {
  position: absolute;
  min-width: 100%;
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
}
#end button {
  background-color: rgb(231, 50, 18);
  padding: 20px 50px 20px 50px;
  font-family: inherit;
  font-size: inherit;
  animation : colorPop 2s linear infinite;
  -webkit-animation:colorPop 2s linear infinite; /* Safari 和 Chrome */
  -moz-animation:colorPop 2s linear infinite; /* Safari 和 Chrome */
}
#controls {
  position: absolute;
  min-width: 100%;
  min-height: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: left;
  padding: 25px;
}
#controls div {
  display: grid;
  grid-template-columns: 50px 50px 50px;
  grid-template-rows: auto auto;
  grid-column-gap: 10px;
  grid-row-gap: 10px;
  margin-bottom: 30px;
}
#controls button {
  width: 100%;
  background-color: white;
  border-radius: 3px;
}
#controls button:first-of-type {
  grid-column: 1/-1;
}
#instructions {
  position: absolute;
  background-color:rgba(176,237,109,0);
  left: 0px;
  top: 0px;
  
}
#close-ins {
  position: absolute;
  font-size: 20px;
  left: 230px;
  top: 20px;
  z-index: 10;
  cursor: pointer;
}
#help-btn {
  font-family: 'Nunito', sans-serif;
  font-size: 13px;
  color: rgb(53, 53, 53);
  background: white;
  border-radius: 50px;
  width: 100px;
  height: 30px;
  position: fixed;
  top: 30px;
  left: 10px;

  display: flex;
  justify-content: center;
  align-items: center;

  box-shadow: 5px 10px 18px #57565646;
  font-weight: bold;

  visibility: hidden;
  cursor: pointer;

  z-index:9;
}
.starter {
  position: absolute;
  min-width: 100%;
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: visible;
  flex-wrap: wrap;
  flex-direction: row;
  cursor: pointer;

}
#logo {
  margin-left:20%;
  margin-right: 20%;
  margin-bottom:20%;
  background-color: lightcoral;
  flex-wrap:nowrap;
}
#easy,#middle,#hard {
  /*background-color: rgb(231, 50, 18);*/
  background-color: #32ABFC;
  padding: 20px 40px 20px 40px;
  margin: 30px;
  margin-top: 23%;
  font-family: inherit;
  font-size: 17px;
  cursor: pointer;
  z-index:20;
  box-shadow: 3px 3px 2px #888888;
}
#easy {
  margin-right: 30%;
  box-shadow: 10px 10px 5px #888888;
}
#hard {
  margin-left:30%;
}


#start {
  color: rgb(53, 53, 53);
  background: white;
  font-family: inherit;
  font-size:30px;
  
  width: 220px;
  height: 70px;

  display: flex;
  justify-content: center;
  align-items: center;

  box-shadow: 5px 10px 18px #57565646;
  font-weight: bold;
  cursor: pointer;
  
  z-index:10;
  
}


#easy {
  left: 500px;
  top: 500px;
}
#score {
  margin-top: 30%;
  color:#002060;
  background-color: salmon;
}
#dead-chicken {
  visibility: hidden;
  position:absolute;
}

.credits {
  font-family: 'Nunito', sans-serif;
  font-size: 13px;
  color: rgb(53, 53, 53);
  background: white;
  border-radius: 50px;
  width: 160px;
  height: 60px;
  position: fixed;
  bottom: 30px;
  right: 10px;

  display: flex;
  justify-content: center;
  align-items: center;

  box-shadow: 5px 10px 18px #57565646;
  font-weight: bold;
}
#box {
  position: absolute;
  left: 0px;
  bottom: 0px;
}
#close-keyboard {
  position: absolute;
  background-color:rgba(84,87,90,1);
  font-size: 13px;
  left: 195px;
  bottom: 70px;
  z-index: 10;
  cursor: pointer;
}
#keyboard {
  font-family: 'Nunito', sans-serif;
  font-size: 13px;
  color: rgb(53, 53, 53);
  background: #EFEFEF;
  border-radius: 50px;
  width: 100px;
  height: 30px;
  position: fixed;
  bottom:30px;
  left: 10px;

  display: flex;
  justify-content: center;
  align-items: center;

  box-shadow: 5px 10px 18px #57565646;
  font-weight: bold;

  visibility: hidden;
  z-index: 15;
}



@keyframes colorPop {
  0%, 100% {
    color: white;
    background: rgb(231, 50, 18);
  }
  10%, 90% {
    color: black;
    background: yellow;
  }
  20%, 80% {
    color: white;
    background: rgb(98, 98, 255);
  }
  30%, 70% {
    color: white;
    background: rgb(252, 34, 168);
  }
  35%, 65% {
    color: black;
    background: rgb(255, 85, 141);
  }
  40%, 70% {
    color: white;
    background: rgb(234, 6, 255);
  }
  50% {
    color: black;
    background: white;
  }
}

@-moz-keyframes colorPop {
  0%, 100% {
    color: white;
    background: rgb(231, 50, 18);
  }
  10%, 90% {
    color: black;
    background: yellow;
  }
  20%, 80% {
    color: white;
    background: rgb(98, 98, 255);
  }
  30%, 70% {
    color: white;
    background: rgb(252, 34, 168);
  }
  35%, 65% {
    color: black;
    background: rgb(255, 85, 141);
  }
  40%, 70% {
    color: white;
    background: rgb(234, 6, 255);
  }
  50% {
    color: black;
    background: white;
  }
}

@-webkit-keyframes colorPop {
  0%, 100% {
    color: white;
    background: rgb(231, 50, 18);
  }
  10%, 90% {
    color: black;
    background: yellow;
  }
  20%, 80% {
    color: white;
    background: rgb(98, 98, 255);
  }
  30%, 70% {
    color: white;
    background: rgb(252, 34, 168);
  }
  35%, 65% {
    color: black;
    background: rgb(255, 85, 141);
  }
  40%, 70% {
    color: white;
    background: rgb(234, 6, 255);
  }
  50% {
    color: black;
    background: white;
  }
}