:root {
  --color1: rgb(0, 231, 255);
  --color2: rgb(255, 0, 231);
  --card-color1: #ec9bb6;
  --card-color2: #ccac6f;
  --card-front: url(../cards/card1.png);
  --eevee1: #efb2fb;
  --eevee2: #acc6f8;
  --eeveefront: url(../images/card31.png);
  --boosterfront: url(../images/booster.png);
}

.card {
  width: 71.5vw;
  height: 100vw;
  position: relative;
  overflow: hidden;
  margin: 20px;
  overflow: hidden;
  z-index: 10;
  touch-action: none;
  border-radius: 5%/3.5%;
  box-shadow: -5px -5px 5px -5px var(--color1), 5px 5px 5px -5px var(--color2), -7px -7px 10px -5px transparent, 7px 7px 10px -5px transparent, 0 0 5px 0px rgba(255, 255, 255, 0), 0 55px 35px -20px rgba(0, 0, 0, 0.5);
  transition: transform 0.5s ease, box-shadow 0.2s ease;
  will-change: transform, filter;
  background-color: #040712;
  background-image: var(--front);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: 50% 50%;
  transform-origin: center;
}

@media screen and (min-width: 600px) {
  .card {
    width: clamp(12.9vw, 61vh, 18vw);
    height: clamp(18vw, 85vh, 25.2vw);
  }
}

.card:hover {
  box-shadow: -20px -20px 30px -25px var(--color1), 20px 20px 30px -25px var(--color2), -7px -7px 10px -5px var(--color1), 7px 7px 10px -5px var(--color2), 0 0 13px 4px rgba(255, 255, 255, 0.3), 0 55px 35px -20px rgba(0, 0, 0, 0.5);
}

.card.eevee,
.card[class*="card"] {
  --color1: var(--card-color1);
  --color2: var(--card-color2);
  --front: var(--card-front);
}

/* Generate classes for card1 through card40 */
.card.card1 { --front: url(../cards/card1.png); }
.card.card2 { --front: url(../cards/card2.png); }
.card.card3 { --front: url(../cards/card3.png); }
.card.card4 { --front: url(../cards/card4.png); }
.card.card5 { --front: url(../cards/card5.png); }
.card.card6 { --front: url(../cards/card6.png); }
.card.card7 { --front: url(../cards/card7.png); }
.card.card8 { --front: url(../cards/card8.png); }
.card.card9 { --front: url(../cards/card9.png); }
.card.card10 { --front: url(../cards/card10.png); }
.card.card11 { --front: url(../cards/card11.png); }
.card.card12 { --front: url(../cards/card12.png); }
.card.card13 { --front: url(../cards/card13.png); }
.card.card14 { --front: url(../cards/card14.png); }
.card.card15 { --front: url(../cards/card15.png); }
.card.card16 { --front: url(../cards/card16.png); }
.card.card17 { --front: url(../cards/card17.png); }
.card.card18 { --front: url(../cards/card18.png); }
.card.card19 { --front: url(../cards/card19.png); }
.card.card20 { --front: url(../cards/card20.png); }
.card.card21 { --front: url(../cards/card21.png); }
.card.card22 { --front: url(../cards/card22.png); }
.card.card23 { --front: url(../cards/card23.png); }
.card.card24 { --front: url(../cards/card24.png); }
.card.card25 { --front: url(../cards/card25.png); }
.card.card26 { --front: url(../cards/card26.png); }
.card.card27 { --front: url(../cards/card27.png); }
.card.card28 { --front: url(../cards/card28.png); }
.card.card29 { --front: url(../cards/card29.png); }
.card.card30 { --front: url(../cards/card30.png); }
.card.card31 { --front: url(../cards/card31.png); }
.card.card32 { --front: url(../cards/card32.png); }
.card.card33 { --front: url(../cards/card33.png); }
.card.card34 { --front: url(../cards/card34.png); }
.card.card35 { --front: url(../cards/card35.png); }
.card.card36 { --front: url(../cards/card36.png); }
.card.card37 { --front: url(../cards/card37.png); }
.card.card38 { --front: url(../cards/card38.png); }
.card.card39 { --front: url(../cards/card39.png); }
.card.card40 { --front: url(../cards/card40.png); }

/* Booster always uses the booster.png image */

.card:before,
.card:after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  background-repeat: no-repeat;
  opacity: 0.5;
  mix-blend-mode: color-dodge;
  transition: all 0.33s ease;
}

.card:before {
  background-position: 50% 50%;
  background-size: 300% 300%;
  background-image: linear-gradient(115deg, transparent 0%, var(--color1) 25%, transparent 47%, transparent 53%, var(--color2) 75%, transparent 100%);
  opacity: 0.5;
  filter: brightness(0.5) contrast(1);
  z-index: 1;
}

.card:after {
  opacity: 1;
  background-image: url("https://assets.codepen.io/13471/sparkles.gif"), url(https://assets.codepen.io/13471/holo.png), linear-gradient(125deg, #ff008450 15%, #fca40040 30%, #ffff0030 40%, #00ff8a20 60%, #00cfff40 70%, #cc4cfa50 85%);
  background-position: 50% 50%;
  background-size: 160%;
  background-blend-mode: overlay;
  z-index: 2;
  filter: brightness(1) contrast(1);
  transition: all 0.33s ease;
  mix-blend-mode: color-dodge;
  opacity: 0.75;
}

.card.active:after,
.card:hover:after {
  filter: brightness(1) contrast(1);
  opacity: 1;
}

.card.active,
.card:hover {
  -webkit-animation: none;
          animation: none;
  transition: box-shadow 0.1s ease-out;
}

.card.active:before,
.card:hover:before {
  -webkit-animation: none;
          animation: none;
  background-image: linear-gradient(110deg, transparent 25%, var(--color1) 48%, var(--color2) 52%, transparent 75%);
  background-position: 50% 50%;
  background-size: 250% 250%;
  opacity: 0.88;
  filter: brightness(0.66) contrast(1.33);
  transition: none;
}

.card.active:before,
.card:hover:before,
.card.active:after,
.card:hover:after {
  -webkit-animation: none;
          animation: none;
  transition: none;
}

.card.animated {
  transition: none;
  -webkit-animation: holoCard 12s ease 0s 1;
          animation: holoCard 12s ease 0s 1;
}
.card.animated:before {
  transition: none;
  -webkit-animation: holoGradient 12s ease 0s 1;
          animation: holoGradient 12s ease 0s 1;
}
.card.animated:after {
  transition: none;
  -webkit-animation: holoSparkle 12s ease 0s 1;
          animation: holoSparkle 12s ease 0s 1;
}

@-webkit-keyframes holoSparkle {
  0%, 100% {
    opacity: 0.75;
    background-position: 50% 50%;
    filter: brightness(1.2) contrast(1.25);
  }
  5%, 8% {
    opacity: 1;
    background-position: 40% 40%;
    filter: brightness(0.8) contrast(1.2);
  }
  13%, 16% {
    opacity: 0.5;
    background-position: 50% 50%;
    filter: brightness(1.2) contrast(0.8);
  }
  35%, 38% {
    opacity: 1;
    background-position: 60% 60%;
    filter: brightness(1) contrast(1);
  }
  55% {
    opacity: 0.33;
    background-position: 45% 45%;
    filter: brightness(1.2) contrast(1.25);
  }
}

@keyframes holoSparkle {
  0%, 100% {
    opacity: 0.75;
    background-position: 50% 50%;
    filter: brightness(1.2) contrast(1.25);
  }
  5%, 8% {
    opacity: 1;
    background-position: 40% 40%;
    filter: brightness(0.8) contrast(1.2);
  }
  13%, 16% {
    opacity: 0.5;
    background-position: 50% 50%;
    filter: brightness(1.2) contrast(0.8);
  }
  35%, 38% {
    opacity: 1;
    background-position: 60% 60%;
    filter: brightness(1) contrast(1);
  }
  55% {
    opacity: 0.33;
    background-position: 45% 45%;
    filter: brightness(1.2) contrast(1.25);
  }
}
@-webkit-keyframes holoGradient {
  0%, 100% {
    opacity: 0.5;
    background-position: 50% 50%;
    filter: brightness(0.5) contrast(1);
  }
  5%, 9% {
    background-position: 100% 100%;
    opacity: 1;
    filter: brightness(0.75) contrast(1.25);
  }
  13%, 17% {
    background-position: 0% 0%;
    opacity: 0.88;
  }
  35%, 39% {
    background-position: 100% 100%;
    opacity: 1;
    filter: brightness(0.5) contrast(1);
  }
  55% {
    background-position: 0% 0%;
    opacity: 1;
    filter: brightness(0.75) contrast(1.25);
  }
}
@keyframes holoGradient {
  0%, 100% {
    opacity: 0.5;
    background-position: 50% 50%;
    filter: brightness(0.5) contrast(1);
  }
  5%, 9% {
    background-position: 100% 100%;
    opacity: 1;
    filter: brightness(0.75) contrast(1.25);
  }
  13%, 17% {
    background-position: 0% 0%;
    opacity: 0.88;
  }
  35%, 39% {
    background-position: 100% 100%;
    opacity: 1;
    filter: brightness(0.5) contrast(1);
  }
  55% {
    background-position: 0% 0%;
    opacity: 1;
    filter: brightness(0.75) contrast(1.25);
  }
}
@-webkit-keyframes holoCard {
  0%, 100% {
    transform: rotateZ(0deg) rotateX(0deg) rotateY(0deg);
  }
  5%, 8% {
    transform: rotateZ(0deg) rotateX(6deg) rotateY(-20deg);
  }
  13%, 16% {
    transform: rotateZ(0deg) rotateX(-9deg) rotateY(32deg);
  }
  35%, 38% {
    transform: rotateZ(3deg) rotateX(12deg) rotateY(20deg);
  }
  55% {
    transform: rotateZ(-3deg) rotateX(-12deg) rotateY(-27deg);
  }
}
@keyframes holoCard {
  0%, 100% {
    transform: rotateZ(0deg) rotateX(0deg) rotateY(0deg);
  }
  5%, 8% {
    transform: rotateZ(0deg) rotateX(6deg) rotateY(-20deg);
  }
  13%, 16% {
    transform: rotateZ(0deg) rotateX(-9deg) rotateY(32deg);
  }
  35%, 38% {
    transform: rotateZ(3deg) rotateX(12deg) rotateY(20deg);
  }
  55% {
    transform: rotateZ(-3deg) rotateX(-12deg) rotateY(-27deg);
  }
}
.card.eevee:hover {
  box-shadow: 0 0 30px -5px white, 0 0 10px -2px white, 0 55px 35px -20px rgba(0, 0, 0, 0.5);
}

.card.eevee:hover:before,
.card.eevee.active:before {
  background-image: linear-gradient(115deg, transparent 20%, var(--color1) 36%, var(--color2) 43%, var(--color3) 50%, var(--color4) 57%, var(--color5) 64%, transparent 80%);
}

.demo .card {
  background-image: var(--back);
  font-size: 2vh;
}

.demo .card > span {
  position: relative;
  top: 45%;
}

.demo .card:nth-of-type(1),
.demo .card:nth-of-type(2),
.demo .card:nth-of-type(3) {
  width: 20vh;
  height: 27.5vh;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.4), 0 25px 15px -10px rgba(0, 0, 0, 0.5);
  -webkit-animation: none;
          animation: none;
}

.demo .card:nth-of-type(1):before, .demo .card:nth-of-type(1):after,
.demo .card:nth-of-type(2):before,
.demo .card:nth-of-type(2):after,
.demo .card:nth-of-type(3):before,
.demo .card:nth-of-type(3):after {
  -webkit-animation: none;
          animation: none;
}

.demo .card:nth-of-type(1):before, .demo .card:nth-of-type(1):after {
  display: none;
}

.demo .card:nth-of-type(2) {
  background: none;
}
.demo .card:nth-of-type(2):before {
  display: none;
}

.demo .card:nth-of-type(3) {
  background: none;
}
.demo .card:nth-of-type(3):after {
  display: none;
}

.operator {
  display: inline-block;
  vertical-align: middle;
  font-size: 6vh;
}

html, body {
  height: 100%;
  background-color: #333844;
  padding: 0;
  z-index: 1;
  transform: translate3d(0, 0, 0.1px);
}

body {
  color: white;
  background-color: #333844;
  font-family: "Heebo", sans-serif;
  text-align: center;
}

h1 {
  display: block;
  margin: 30px 0;
}

p {
  margin-top: 5px;
  font-weight: 200;
}

#app {
  position: relative;
}

.demo,
.cards {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-evenly;
  perspective: 2000px;
  position: relative;
  z-index: 1;
  transform: translate3d(0.1px, 0.1px, 0.1px);
}

.demo {
  flex-direction: row;
  justify-content: center;
}

@media screen and (min-width: 600px) {
  .cards {
    flex-direction: row;
  }
}
.cards .card:nth-child(2), .cards .card:nth-child(2):before, .cards .card:nth-child(2):after {
  -webkit-animation-delay: 0.25s;
          animation-delay: 0.25s;
}
.cards .card:nth-child(3), .cards .card:nth-child(3):before, .cards .card:nth-child(3):after {
  -webkit-animation-delay: 0.5s;
          animation-delay: 0.5s;
}
.cards .card:nth-child(4), .cards .card:nth-child(4):before, .cards .card:nth-child(4):after {
  -webkit-animation-delay: 0.75s;
          animation-delay: 0.75s;
}

p {
  font-weight: 400;
  font-size: 18px;
  padding: 1em;
  background: rgba(0, 0, 0, 0.3);
  margin-top: 0;
  -webkit-animation: rubberBand 1.5s linear 3s 1;
          animation: rubberBand 1.5s linear 3s 1;
}

.promo {
  margin-top: 50px;
}

.promo img {
  margin-top: 10px;
  max-width: 80%;
}

p a {
  color: cyan;
}

html, body, main {
  min-height: 100%;
}

@-webkit-keyframes rubberBand {
  from {
    transform: scale3d(1, 1, 1);
  }
  30% {
    transform: scale3d(1.25, 0.75, 1);
  }
  40% {
    transform: scale3d(0.75, 1.25, 1);
  }
  50% {
    transform: scale3d(1.15, 0.85, 1);
  }
  65% {
    transform: scale3d(0.95, 1.05, 1);
  }
  75% {
    transform: scale3d(1.05, 0.95, 1);
  }
  to {
    transform: scale3d(1, 1, 1);
  }
}

@keyframes rubberBand {
  from {
    transform: scale3d(1, 1, 1);
  }
  30% {
    transform: scale3d(1.25, 0.75, 1);
  }
  40% {
    transform: scale3d(0.75, 1.25, 1);
  }
  50% {
    transform: scale3d(1.15, 0.85, 1);
  }
  65% {
    transform: scale3d(0.95, 1.05, 1);
  }
  75% {
    transform: scale3d(1.05, 0.95, 1);
  }
  to {
    transform: scale3d(1, 1, 1);
  }
}

/* Card reveal animations */
@keyframes revealSparkle {
  0% {
    transform: scale(0);
    opacity: 0;
    filter: blur(10px);
  }
  20% {
    opacity: 0.3;
    filter: blur(5px);
  }
  40% {
    transform: scale(20);
    opacity: 0.7;
    filter: blur(2px);
  }
  80% {
    transform: scale(50);
    opacity: 0.5;
    filter: blur(5px);
  }
  100% {
    transform: scale(100);
    opacity: 0;
    filter: blur(10px);
  }
}

@keyframes reveal-spin {
  0% {
    transform: scale(0) rotate(0deg);
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    transform: scale(1) rotate(720deg);
    opacity: 1;
  }
}

.card.reveal-spin {
  animation: reveal-spin 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.booster {
  width: 71.5vw;
  height: 100vw;
  position: relative;
  overflow: hidden;
  margin: 20px;
  overflow: hidden;
  z-index: 10;
  touch-action: none;
  border-radius: 5%/3.5%;
  box-shadow: -5px -5px 5px -5px var(--color1), 5px 5px 5px -5px var(--color2), -7px -7px 10px -5px transparent, 7px 7px 10px -5px transparent, 0 0 5px 0px rgba(255, 255, 255, 0), 0 55px 35px -20px rgba(0, 0, 0, 0.5);
  transition: transform 0.5s ease, box-shadow 0.2s ease;
  will-change: transform, filter;
  background-color: #040712;
  background-image: var(--boosterfront);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: 50% 50%;
  transform-origin: center;
}

@media screen and (min-width: 600px) {
  .booster {
    width: clamp(12.9vw, 61vh, 18vw);
    height: clamp(18vw, 85vh, 25.2vw);
  }
}

.booster.eevee,
.booster[class*="card"] {
  --color1: var(--card-color1);
  --color2: var(--card-color2);
}

.booster {
  --color1: var(--card-color1);
  --color2: var(--card-color2);
}

.booster:before,
.booster:after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  background-repeat: no-repeat;
  opacity: 0.5;
  mix-blend-mode: color-dodge;
  transition: all 0.33s ease;
}

.booster:before {
  background-position: 50% 50%;
  background-size: 300% 300%;
  background-image: linear-gradient(115deg, transparent 0%, var(--color1) 25%, transparent 47%, transparent 53%, var(--color2) 75%, transparent 100%);
  opacity: 0.5;
  filter: brightness(0.5) contrast(1);
  z-index: 1;
}

.booster:after {
  opacity: 1;
  background-image: url("https://assets.codepen.io/13471/sparkles.gif"), url(https://assets.codepen.io/13471/holo.png), linear-gradient(125deg, #ff008450 15%, #fca40040 30%, #ffff0030 40%, #00ff8a20 60%, #00cfff40 70%, #cc4cfa50 85%);
  background-position: 50% 50%;
  background-size: 160%;
  background-blend-mode: overlay;
  z-index: 2;
  filter: brightness(1) contrast(1);
  transition: all 0.33s ease;
  mix-blend-mode: color-dodge;
  opacity: 0.75;
}

.booster:hover {
  box-shadow: 0 0 30px -5px var(--card-color1), 0 0 10px -2px var(--card-color2), 0 55px 35px -20px rgba(0, 0, 0, 0.5);
}

.booster.active:after,
.booster:hover:after {
  filter: brightness(1) contrast(1);
  opacity: 1;
}

.booster.active,
.booster:hover {
  -webkit-animation: none;
          animation: none;
  transition: box-shadow 0.1s ease-out;
}

.booster.active:before,
.booster:hover:before {
  -webkit-animation: none;
  animation: none;
  background-image: linear-gradient(110deg, transparent 25%, var(--color1) 48%, var(--color2) 52%, transparent 75%);
  background-position: 50% 50%;
  background-size: 250% 250%;
  opacity: 0.88;
  filter: brightness(0.66) contrast(1.33);
  transition: none;
  background-image: linear-gradient(115deg, transparent 20%, var(--card-color1) 36%, var(--card-color2) 43%, var(--card-color1) 50%, transparent 60%);
}

.booster.active:before,
.booster:hover:before,
.booster.active:after,
.booster:hover:after {
  -webkit-animation: none;
  animation: none;
  transition: none;
}

.booster.animated {
  transition: none;
  -webkit-animation: holoCard 12s ease 0s 1;
          animation: holoCard 12s ease 0s 1;
}
.booster.animated:before {
  transition: none;
  -webkit-animation: holoGradient 12s ease 0s 1;
          animation: holoGradient 12s ease 0s 1;
}
.booster.animated:after {
  transition: none;
  -webkit-animation: holoSparkle 12s ease 0s 1;
          animation: holoSparkle 12s ease 0s 1;
}

.booster.eevee:hover,
.booster[class*="card"]:hover {
  box-shadow: 0 0 30px -5px var(--card-color1), 0 0 10px -2px var(--card-color2), 0 55px 35px -20px rgba(0, 0, 0, 0.5);
}

.booster:hover:before,
.booster.active:before {
  background-image: linear-gradient(115deg, transparent 20%, var(--card-color1) 36%, var(--card-color2) 43%, var(--card-color1) 50%, transparent 60%);
}