* { box-sizing: border-box; }

:root{
  --bg-height: 983;
  --bg-width: 853;
}

body {
  margin: 0;
  background: #202227;
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  line-height: 150%;
  font-family: Helvetica;
  font-weight: 200;
}

#app{
  height: 100vh;
  max-height: min(calc(100vw * (var(--bg-height)/var(--bg-width))), calc(var(--bg-height) * 1px));
}

.game-wrapper {
  padding: 5px;
  height: 100%;
  display: grid;
  grid-gap: 8px;
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(4, 1fr);
  border-radius: 5px;
  position: relative;
}

.bg-img {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  z-index: -2;
  background-image: url('./images/gavekort.png');
  background-size: cover;
  filter: var(--blur);
}

.card {
  transition: opacity .3s ease-out;
  position: relative;
}

.card::before, .card::after {
  content: '';
  position: absolute;
  border-radius: 5px;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  transform:rotateY(0deg);
  transition: transform .5s ease-out;
}

.card.turned::before, .card.turned::after,
.card.completed::before, .card.completed::after {
  transform:rotateY(180deg);
}

.card::after {
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  background: #37393d;
}

.card::before {
  background-image: var(--bg);
  background-size: cover;
  background-position: center;
}

.card.completed { opacity: 0; }

.pyro {
  overflow: hidden;
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
}
.pyro > .before,
.pyro > .after {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  box-shadow: -120px -218.66667px blue, 248px -16.66667px #00ff84,
    190px 16.33333px #002bff, -113px -308.66667px #ff009d,
    -109px -287.66667px #ffb300, -50px -313.66667px #ff006e,
    226px -31.66667px #ff4000, 180px -351.66667px #ff00d0,
    -12px -338.66667px #00f6ff, 220px -388.66667px #99ff00,
    -69px -27.66667px #ff0400, -111px -339.66667px #6200ff,
    155px -237.66667px #00ddff, -152px -380.66667px #00ffd0,
    -50px -37.66667px #00ffdd, -95px -175.66667px #a6ff00,
    -88px 10.33333px #0d00ff, 112px -309.66667px #005eff,
    69px -415.66667px #ff00a6, 168px -100.66667px #ff004c,
    -244px 24.33333px #ff6600, 97px -325.66667px #ff0066,
    -211px -182.66667px #00ffa2, 236px -126.66667px #b700ff,
    140px -196.66667px #9000ff, 125px -175.66667px #00bbff,
    118px -381.66667px #ff002f, 144px -111.66667px #ffae00,
    36px -78.66667px #f600ff, -63px -196.66667px #c800ff,
    -218px -227.66667px #d4ff00, -134px -377.66667px #ea00ff,
    -36px -412.66667px #ff00d4, 209px -106.66667px #00fff2,
    91px -278.66667px #000dff, -22px -191.66667px #9dff00,
    139px -392.66667px #a6ff00, 56px -2.66667px #0099ff,
    -156px -276.66667px #ea00ff, -163px -233.66667px #00fffb,
    -238px -346.66667px #00ff73, 62px -363.66667px #0088ff,
    244px -170.66667px #0062ff, 224px -142.66667px #b300ff,
    141px -208.66667px #9000ff, 211px -285.66667px #ff6600,
    181px -128.66667px #1e00ff, 90px -123.66667px #c800ff,
    189px 70.33333px #00ffc8, -18px -383.66667px #00ff33,
    100px -6.66667px #ff008c;
  animation: 1s bang ease-out infinite backwards,
    1s gravity ease-in infinite backwards, 5s position linear infinite backwards;
}
.pyro > .after {
  animation-delay: 1.25s, 1.25s, 1.25s;
  animation-duration: 1.25s, 1.25s, 6.25s;
}
@keyframes bang {
  from {
    box-shadow: 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white,
      0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white,
      0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white,
      0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white,
      0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white,
      0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white,
      0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white,
      0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white, 0 0 white,
      0 0 white, 0 0 white, 0 0 white;
  }
}
@keyframes gravity {
  to {
    transform: translateY(200px);
    opacity: 0;
  }
}
@keyframes position {
  0%,
  19.9% {
    margin-top: 10%;
    margin-left: 40%;
  }
  20%,
  39.9% {
    margin-top: 40%;
    margin-left: 30%;
  }
  40%,
  59.9% {
    margin-top: 20%;
    margin-left: 70%;
  }
  60%,
  79.9% {
    margin-top: 30%;
    margin-left: 20%;
  }
  80%,
  99.9% {
    margin-top: 30%;
    margin-left: 80%;
  }
}