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

body {
  font: 12pt Arial, Helvetica, sans-serif;
  padding: 0;
  margin: 0;
  background: #000;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

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

#breakout {
  position: relative;
  width: 720px;
  height: 520px;
  margin: 0 auto;
  border: 1px solid #333;
  background: #000;
}

#canvas {
  display: block;
  width: 720px;
  height: 520px;
  -webkit-transform: translateZ(0); /* force hardware acceleration in chrome */
}

#levels {
     position: absolute;
         left: 10px;
          top: 10px;
        color: #666;
  line-height: 20px;
}

#levels #next  { position: absolute;            }
#levels #prev  { position: absolute; top: 14px; }
#levels #label { padding-left: 20px; }
#levels #level { font-size: 14pt; padding-left: 5px; font-weight: bold; color: black; }

#levels img                 { cursor: pointer; }
#levels img.disabled        { opacity: 0.3; cursor: default; }
#levels img:active          { margin-top: 1px; margin-left: 1px; }
#levels img.disabled:active { margin-top: 0; margin-left: 0; }

#instructions {
  background: #DDD;
      border: 2px solid #333;
       color: #555;
     padding: 0.5em 1em;
 white-space: nowrap;
  text-align: center;
       width: 18em;
      margin: 0 auto;
    position: relative;
         top: -18em;
}
#instructions b { color: black; }

#instructions       .keyboard { display: block; }
#instructions       .touch    { display: none;  }
#instructions.touch .keyboard { display: none;  }
#instructions.touch .touch    { display: block; }

#controls {
  position: absolute;
    bottom: 0.5em;
      left: 0.5em;
}
#controls input,
#controls label { vertical-align: middle; }

/********************************/
/* re-usable class-based styles */
/********************************/

.unsupported {
            border: 1px solid yellow;
             color: black;
  background-color: #FFFFAD;
           padding: 2em;
            margin: 5em;
           display: inline-block;
}

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

@media screen and (min-width: 0px) {
  #breakout     { display: block; width: 720px; height: 520px; margin: 0 auto; border: 1px solid #333; }
  #canvas       { display: block; width: 720px; height: 520px; }
  #instructions { font-size: 9pt; }
}

@media screen and (min-width: 1200px) {
  #breakout     { width: 800px; height: 600px; }
  #canvas       { width: 800px; height: 600px; }
  #instructions { font-size: 10pt; }
}

@media screen and (min-width: 1600px) {
  #breakout     { width: 1024px; height: 768px; }
  #canvas       { width: 1024px; height: 768px; }
  #instructions { font-size: 11pt; }
}