* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  display: flex;
  height: 100vh;
  width: 100%;
  font-family: "Dangrek", sans-serif;
  font-style: normal;
  background: rgb(238, 230, 245);
  overflow: hidden;
}

.wrapper {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  min-height: 100vh;
  margin: 0 auto;
}

.header {
  display: flex;
  justify-content: space-around;
  align-items: center;
  width: 100%;
  padding: 1px;
  background: rgb(232, 222, 241);
}

.logo {
  width: 50px;
  padding: 5px;
  background-color: whitesmoke;
  border: 1px solid rgb(100, 178, 238);
  border-radius: 50%;
}

.title {
  font-size: 3em;
  font-weight: 700;
  text-align: center;
  padding: 0;
  color: rgb(100, 178, 238);
}

.title.sub {
  font-size: 1.5em;
  color: rgb(54, 48, 48);
}

.game-container {
  display: flex;
  width: 100%;
  margin: 10px auto;
}

#timer {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
  width: 5em;
  height: 1.5em;
  text-align: center;
  letter-spacing: 3px;
  overflow: hidden;
  font-size: 2.5em;
  font-weight: 700;
  background-color: whitesmoke;
  border: 1px solid rgb(100, 178, 238);
  border-radius: 10px;
}

.game-info {
  width: 45%;
  margin: 0 auto;
  border-right: 3px dotted rgb(100, 178, 238);
  border-radius: 20px;
}

.play-control {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 70%;
  margin: 0 auto;
}

.btn-start,
.btn-sound,
.btn-reset {
  margin: 0 auto;
  border: none;
  background: none;
  cursor: pointer;
  transition: 0.5s ease-in-out;
}

.btn-sound img {
  width: 50px;
  height: auto;
}

.btn-start:hover,
.btn-sound:hover,
.btn-reset:hover {
  transform: scale(1.05) translateY(-2px);
}

.btn-start img:active,
.btn-sound img:active,
.btn-reset img:active {
  transform: scale(0.9) translateY(2px);
}

.btn-start {
  width: 100px;
  height: auto;
}

.btn-start img {
  width: 100%;
}

.btn-reset img {
  width: 70px;
  height: auto;
}

.result {
  margin: 1em auto;
  text-align: center;
}

.title-result {
  font-size: 2em;
  font-weight: 700;
}

.subtitle-result {
  font-size: 1.5em;
  font-weight: 400;
}

.subtitle-result span {
  color: rgb(100, 178, 238);
}

.btn-results {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 2em auto;
  width: 10em;
  height: 2em;
  text-align: center;
  font-size: 1.5em;
  font-weight: 700;
  letter-spacing: 1px;
  overflow: hidden;
  background-color: whitesmoke;
  border: 1px solid rgb(100, 178, 238);
  border-radius: 10px;
  cursor: pointer;
  transition: 0.5s ease-in-out;
}

.btn-results:hover {
  transform: scale(1.05) translateY(-2px);
}

.btn-results:active {
  transform: scale(0.9) translateY(2px);
}

.game-cards-container {
  width: 50%;
  border-left: 3px dotted rgb(100, 178, 238);
  border-radius: 20px;
}

.game-cards {
  display: flex;
  flex-wrap: wrap;
  width: 500px;
  height: 500px;
  margin: auto;
  perspective: 1000px;
}

.memory-card {
  width: calc(25% - 10px);
  height: calc(25% - 10px);
  margin: 5px;
  position: relative;
  box-shadow: 1px 1px 0 rgba(0, 0, 0, 0.3);
  transform: scale(1);
  transform-style: preserve-3d;
  transition: transform 0.5s;
}

.memory-card:active {
  transform: scale(0.97);
  transition: transform 0.3s;
}

.memory-card.flip {
  transform: rotateY(180deg);
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  20%,
  60% {
    transform: translateX(-10px);
  }
  40%,
  80% {
    transform: translateX(10px);
  }
}

.shake {
  animation: shake 0.6s;
}

.front-face,
.back-face {
  width: 100%;
  height: 100%;
  padding: 5px;
  position: absolute;
  border-radius: 3px;
  background: rgb(224, 204, 242);
  backface-visibility: hidden;
}

.front-face {
  transform: rotateY(180deg);
}

.back-face {
  padding: 30px;
}

h2 {
  color: rgb(100, 178, 238);
  font-weight: 700;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal-content {
  background-color: whitesmoke;
  padding: 2em;
  text-align: center;
  border-radius: 10px;
  transform: scale(0.5);
  opacity: 0;
  transition: transform 0.5s ease, opacity 0.5s ease;
}

.modal.show .modal-content {
  transform: scale(1);
  opacity: 1;
}

#modal-message {
  font-size: 3em;
  font-weight: bold;
  color: rgb(100, 178, 238);
}

@media (max-width: 1100px) {
  .game-cards {
    width: 450px;
    height: 450px;
  }
}

@media (max-width: 950px) {
  html,
  body {
    overflow: scroll;
  }

  .header {
    flex-direction: column;
  }

  .game-container {
    flex-direction: column-reverse;
  }

  .game-info {
    width: 80%;
    margin-top: 20px;
    border: none;
  }

  .game-cards-container {
    margin: 10px auto;
    width: 80%;
    border: none;
  }

  .game-cards {
    width: 550px;
    height: 550px;
  }
}

@media (max-width: 650px) {
  .title {
    font-size: 2em;
  }

  #timer {
    width: 3.5em;
    font-size: 2em;
  }

  .btn-start {
    width: 70px;
  }

  .btn-sound img {
    width: 40px;
  }

  .btn-reset img {
    width: 50px;
  }

  .game-cards {
    width: 350px;
    height: 350px;
  }
  .back-face {
    padding: 20px;
  }

  #modal-message {
    font-size: 2em;
  }
}

@media (max-width: 400px) {
  .title.sub {
    font-size: 1em;
  }

  .btn-start {
    width: 60px;
  }

  .btn-sound img {
    width: 30px;
  }

  .btn-reset img {
    width: 45px;
  }

  .title-result {
    font-size: 1.7em;
  }

  .game-cards {
    width: 95%;
    width: 300px;
    height: 300px;
  }
  #modal-message {
    font-size: 1.5em;
  }
}