/****************************************/
/* common styles used for v1 through v4 */
/****************************************/

body {
  font-family: Arial, Helvetica, sans-serif;
}
#stats {
  border: 2px solid black;
}

#instructions {
  clear: left;
  float: left;
  width: 17em;
  padding: 1em;
  border: 1px solid black;
  box-shadow: 0 0 5px black;
}
#racer {
  position: relative;
  z-index: 0;
  aspect-ratio: 640 / 480;
  max-width: 640px;
  margin: 0 auto;
  user-select: none;
  -webkit-user-select: none;
}

#racer * {
  user-select: none;
  -webkit-user-select: none;
}

#racer.fullscreen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100dvw;
  height: 100dvh;
  max-width: none;
}

#canvas-container {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  background-color: #fff;
}

#canvas {
  aspect-ratio: 640 / 480;
}
#mute {
  background-position: 0px 0px;
  width: 32px;
  height: 32px;
  background: url(images/mute.png);
  display: inline-block;
  cursor: pointer;
  position: absolute;
  margin-left: 20em;
}
#mute.on {
  background-position: -32px 0px;
}

/**************************************************/
/* rudimentary heads up display (only used in v4) */
/**************************************************/

#hud {
  position: absolute;
  display: flex;
  z-index: 1;
  width: 100%;
  padding: 5px 0;
  font-family: Verdana, Geneva, sans-serif;
  font-size: 0.8em;
  background-color: rgba(255, 0, 0, 0.4);
  color: black;
  border-bottom: 2px solid black;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
}
#hud .hud {
  background-color: rgba(255, 255, 255, 0.6);
  padding: 5px;
  border: 1px solid black;
  margin: 0 5px;
  display: flex;
  justify-content: center;
  align-items: center;
  transition-property: background-color;
  transition-duration: 2s;
  -webkit-transition-property: background-color;
  -webkit-transition-duration: 2s;
}
#hud #last_lap_time {
  display: none;
  text-align: center;
}
#hud #fast_lap_time {
  display: block;
  width: 12em;
  text-align: center;
  transition-property: background-color;
  transition-duration: 2s;
  -webkit-transition-property: background-color;
  -webkit-transition-duration: 2s;
}
#hud #laps {
  margin-left: auto;
}
#hud .value {
  color: black;
  font-weight: bold;
}
#hud .fastest {
  background-color: rgba(255, 215, 0, 0.5);
}

/****************************************/
/* mobile controls */
/****************************************/
#mobile-controls {
  position: absolute;
  z-index: 1;
  bottom: 0;
  left: 0;
  right: 0;
  display: none;
  justify-content: space-between;
  align-items: flex-end;
}

.control-button {
  user-select: none;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 12px;
  width: 72px;
  height: 72px;
  background-color: transparent;
  border: none;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

#full-screen-control {
  position: absolute;
  top: 80px;
  right: 10px;
  width: 50px;
  height: 50px;
  border: none;
  border-radius: 50%;
  display: none;
  background-color: rgba(0, 0, 0, 0.5);
  justify-content: center;
  align-items: center;
  z-index: 1;
}
#full-screen-control div {
  width: 30px;
  height: 15px;
  border: 3px solid white;
}

.control-button:active {
  background-size: 95%;
}

#directions-control-wrapper {
  display: flex;
}

.control-button#accelerate {
  background-image: url('images/control_acc.png');
}

.control-button#break {
  background-image: url('images/control_break.png');
}

.control-button#left {
  background-image: url('images/control_left.png');
}

.control-button#right {
  background-image: url('images/control_right.png');
}