/*******************************/
/* global document body styles */
/*******************************/

body {
  background: black;
  color: #ccc;
  user-select: none;
  font-family: "Orbitron", sans-serif;
}

/**************************/
/* unique id-based styles */
/**************************/

#delta {
  /* margin: 2em auto; */
  /*position: relative;*/
  display: none;
  left: 0;
  right: 0;
}
#booting {
  position: absolute;
  width: 6%;
  left: 47%;
  top: 47%;
}
#canvas {
  display: block;
  height: 100%;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  position: absolute;
  left: 0;
  right: 0;
  box-shadow: 0px 0px 30px 0px rgba(0,0,0,0.75);
}

#ui{
  display: flex;
  justify-content: center;
  align-items: center;
  /*height: 100%;*/
}

h1 {
  margin: 0px;
  font-weight: bold;
  color: white;
  display: block;
  width: 100%;
  text-align: center;
  vertical-align: center;
  z-index: 1;
  position: absolute;
}
h2 {
  margin: 0px;
  font-weight: normal;
  color: white;
  display: block;
  width: 100%;
  text-align: center;
  vertical-align: center;
  z-index: 1;
  position: absolute;
  top: 8em;
}
h1#title {
  font-size: 6em;
  top: 50%;
  line-height: 0;
}
h1#prepare {
  font-size: 2em;
  color: #c0a0a0;
  top: 50%;
  line-height: 0;
}
h2#start {
  font-size: 1em;
  color: #a0a0ff;
  top: 65%;
  line-height: 0;
}

.score{
  /*margin-right: 10px;*/
}

#scoreboard {
   position: absolute;
  line-height: 1.5em;
  font-size: 1.2em;
  color: white;
  z-index: 1;
  left: 0;
  right: 0;
  width: 100%;
}
#scoreboard .lives {
  visibility: hidden;
  /*position: absolute;*/
  float: left;
  left: 0;
  padding-left: 10px;
}
#scoreboard .lives .label {
  padding: 0 0.5em;
  color: #808080;
}
#scoreboard .lives img {
  margin-right: 0.5em;
}
#scoreboard .score {
  /*position: absolute;*/
  float: right;
  right: 0;
  padding-right: 10px;
}
#scoreboard .score .label {
  padding: 0 0.5em;
  color: #808080;
}
#scoreboard .score .value {
  display: inline-block;
  width: 4em;
}

#scoreboard .lives.zero img.one {
  display: none;
}
#scoreboard .lives.zero img.two {
  display: none;
}
#scoreboard .lives.zero img.three {
  display: none;
}
#scoreboard .lives.one img.two {
  display: none;
}
#scoreboard .lives.one img.three {
  display: none;
}
#scoreboard .lives.two img.three {
  display: none;
}

#instructions {
  position: absolute;
  bottom: -1.5em;
  text-align: right;
  line-height: 1em;
  width: 100%;
  color: #a0a0a0;
}

#sound {
  width: 24px;
  height: 24px;
  background: url(../images/mute.png);
  display: inline-block;
  cursor: pointer;
  position: absolute;
  left: -2.5em;
}
#sound.on {
  background-position: 0 0;
}
#sound.off {
  background-position: -24px 0;
}

#delta.preparing #scoreboard .lives {
  visibility: visible;
}
#delta.playing #scoreboard .lives {
  visibility: visible;
}

h2#start {
  -webkit-animation: pulsate 1s ease-out infinite;
  -moz-animation: pulsate 1s ease-out infinite;
  -o-animation: pulsate 1s ease-out infinite;
  animation: pulsate 1s ease-out infinite;
}

@-webkit-keyframes pulsate {
  0% {
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}
@-moz-keyframes pulsate {
  0% {
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}
@-o-keyframes pulsate {
  0% {
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}
@keyframes pulsate {
  0% {
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

/*****************************/
/* @media query based layout */
/*****************************/

/* @media screen and (min-width:    0px) and (min-height:    0px) { #delta { width:  512px; height: 384px; line-height: 384px; font-size:  7pt; } }
@media screen and (min-width:  840px) and (min-height:  550px) { #delta { width:  640px; height: 480px; line-height: 480px; font-size:  9pt; } }
@media screen and (min-width:  968px) and (min-height:  646px) { #delta { width:  768px; height: 576px; line-height: 576px; font-size: 11pt; } }
@media screen and (min-width: 1096px) and (min-height:  742px) { #delta { width:  896px; height: 672px; line-height: 672px; font-size: 13pt; } }
@media screen and (min-width: 1224px) and (min-height:  838px) { #delta { width: 1024px; height: 768px; line-height: 768px; font-size: 15pt; } }
@media screen and (min-width: 1480px) and (min-height: 1030px) { #delta { width: 1280px; height: 960px; line-height: 960px; font-size: 17pt; } } */