:root {
  --color1: #ff4d4d;
  --color1-alt: #d94141;
  --color2: #002b56;
  --green-color: #22c55e;
  --red-color: #f44336;
  --transition: 0.3s;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}
html {
  scroll-behavior: smooth;
}
body {
  background-color: var(--color2);
  font-family: "Open Sans", sans-serif;
  color: white;
}
img {
  max-width: 100%;
}
input:focus {
  outline: none;
}
.container {
  width: 95vw;
  max-width: 700px;
  margin: auto;
}
::-webkit-scrollbar {
  background-color: var(--color1);
  width: 10px;
}
::-webkit-scrollbar-thumb {
  background-color: var(--color2);
  border-radius: 10px;
  -webkit-border-radius: 10px;
  -moz-border-radius: 10px;
  -ms-border-radius: 10px;
  -o-border-radius: 10px;
}
button,
input[type="submit"] {
  border: none;
  font-family: "Open Sans", sans-serif;
  font-size: 16px;
  cursor: pointer;
}
.button {
  color: white;
  padding: 10px 20px;
  font-size: 18px;
  font-weight: 600;
  border-radius: 5px;
  -webkit-border-radius: 5px;
  -moz-border-radius: 5px;
  -ms-border-radius: 5px;
  -o-border-radius: 5px;
  transition: background-color var(--transition);
  -webkit-transition: background-color var(--transition);
  -moz-transition: background-color var(--transition);
  -ms-transition: background-color var(--transition);
  -o-transition: background-color var(--transition);
}
.button.red {
  background-color: var(--color1);
}
.button.red:hover {
  background-color: var(--color1-alt);
}
.button.blue {
  background-color: var(--color2);
}
.button.blue:hover {
  background-color: var(--color2-alt);
}

.login,
.rank-container {
  position: fixed;
  z-index: 3;
  left: 0;
  top: 0;
  width: 100dvw;
  height: 100dvh;
  transition: transform var(--transition);
  -webkit-transition: transform var(--transition);
  -moz-transition: transform var(--transition);
  -ms-transition: transform var(--transition);
  -o-transition: transform var(--transition);
}
.login {
  background-color: var(--color2);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 30px;
  padding: 30px;
  transform: translateX(-100%);
  -webkit-transform: translateX(-100%);
  -moz-transform: translateX(-100%);
  -ms-transform: translateX(-100%);
  -o-transform: translateX(-100%);
}
.login.active {
  transform: translateX(0);
  -webkit-transform: translateX(0);
  -moz-transform: translateX(0);
  -ms-transform: translateX(0);
  -o-transform: translateX(0);
}
.login .back {
  position: absolute;
  top: 30px;
  left: 30px;
  font-size: 25px;
  cursor: pointer;
  display: none;
}
.login .back.active {
  display: block;
}
.login form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  border-bottom: 2px solid white;
  padding-bottom: 30px;
}
.login form .reason {
  text-align: center;
  font-size: 22px;
  font-weight: 700;
}
.login form .instructions {
  display: grid;
  row-gap: 10px;
  font-weight: 500;
}
.login form input#username {
  padding: 10px 15px;
  border: 3px solid var(--color1);
  font-size: 18px;
  font-family: "Open Sans", sans-serif;
  font-weight: 600;
  border-radius: 5px;
  -webkit-border-radius: 5px;
  -moz-border-radius: 5px;
  -ms-border-radius: 5px;
  -o-border-radius: 5px;
}
.login form input#username::placeholder {
  font-family: "Righteous", sans-serif;
  transition: opacity var(--transition);
  -webkit-transition: opacity var(--transition);
  -moz-transition: opacity var(--transition);
  -ms-transition: opacity var(--transition);
  -o-transition: opacity var(--transition);
}
.login form input#username:focus::placeholder {
  opacity: 0;
}
.login form input[type="submit"] {
  transition: opacity var(--transition), background-color var(--transition);
  -webkit-transition: opacity var(--transition), background-color var(--transition);
  -moz-transition: opacity var(--transition), background-color var(--transition);
  -ms-transition: opacity var(--transition), background-color var(--transition);
  -o-transition: opacity var(--transition), background-color var(--transition);
}
.login form input[type="submit"]:disabled {
  opacity: 0.5;
  pointer-events: none;
}

header .container,
.user .container {
  margin: 12px auto;
  background-color: var(--color1);
  padding: 10px;
  border-radius: 10px;
  -webkit-border-radius: 10px;
  -moz-border-radius: 10px;
  -ms-border-radius: 10px;
  -o-border-radius: 10px;
  border: 5px solid white;
  position: relative;
}
header .title,
.user .name {
  font-size: 25px;
}

header .title {
  font-family: "Righteous", sans-serif;
  letter-spacing: 1px;
  margin-bottom: 0;
}
header .container {
  display: grid;
  grid-template-columns: 1fr 80px;
  align-items: center;
}

.user .name,
.user .scores {
  position: relative;
  z-index: 2;
}
.user .user-name {
  display: flex;
  align-items: center;
  margin-bottom: 7px;
  gap: 10px;
}
.user .user-name .change-user,
.user .scores .score {
  background-color: white;
  color: var(--color2);
  font-size: 14px;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: 5px;
  -webkit-border-radius: 5px;
  -moz-border-radius: 5px;
  -ms-border-radius: 5px;
  -o-border-radius: 5px;
  transition: background-color var(--transition);
  -webkit-transition: background-color var(--transition);
  -moz-transition: background-color var(--transition);
  -ms-transition: background-color var(--transition);
  -o-transition: background-color var(--transition);
}
.user .user-name .change-user {
  color: var(--color1);
}
.user .user-name .change-user:hover {
  background-color: #eee;
}
.user .scores {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px;
}
.user .scores .rank {
  transition: background-color var(--transition);
  -webkit-transition: background-color var(--transition);
  -moz-transition: background-color var(--transition);
  -ms-transition: background-color var(--transition);
  -o-transition: background-color var(--transition);
}
.user .scores .rank:hover {
  background-color: #eee;
}
.user .user-icon {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  -o-transform: translateY(-50%);
  font-size: 70px;
  opacity: 0.25;
}

.blocks-container.disable-click,
.blocks-container.end {
  pointer-events: none;
}
.blocks-container .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(5, 95px);
  gap: 10px;
}
.blocks-container .block {
  position: relative;
  transition: transform var(--transition);
  -webkit-transition: transform var(--transition);
  -moz-transition: transform var(--transition);
  -ms-transition: transform var(--transition);
  -o-transition: transform var(--transition);
  cursor: pointer;
  user-select: none;
}
.blocks-container .block.flip,
.blocks-container .block.match {
  transform-style: preserve-3d;
  transform: rotateY(180deg);
  -webkit-transform: rotateY(180deg);
  -moz-transform: rotateY(180deg);
  -ms-transform: rotateY(180deg);
  -o-transform: rotateY(180deg);
  pointer-events: none;
}
.blocks-container .block .face {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 50px;
  border-radius: 10px;
  -webkit-border-radius: 10px;
  -moz-border-radius: 10px;
  -ms-border-radius: 10px;
  -o-border-radius: 10px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border: 5px solid;
}
.blocks-container .block .front {
  background-color: white;
  border-color: black;
  color: black;
  transform: rotateY(180deg);
  -webkit-transform: rotateY(180deg);
  -moz-transform: rotateY(180deg);
  -ms-transform: rotateY(180deg);
  -o-transform: rotateY(180deg);
}
.blocks-container .block .back {
  background-color: var(--color1);
  font-weight: bold;
}

.timer {
  text-align: center;
  margin: 20px 0;
  font-size: 30px;
  background-color: var(--color1);
  color: white;
  width: fit-content;
  margin: auto;
  padding: 10px 20px;
  border-radius: 10px;
  -webkit-border-radius: 10px;
  -moz-border-radius: 10px;
  -ms-border-radius: 10px;
  -o-border-radius: 10px;
  display: none;
  user-select: none;
}
.timer.active {
  display: block;
}
.timer .value {
  font-weight: 500;
}

.messages {
  margin: 20px 0;
}
.messages .container {
  text-align: center;
}
.messages .title {
  font-family: "Righteous", sans-serif;
  font-size: 40px;
  margin-bottom: 10px;
}
.messages .message {
  font-size: 18px;
  line-height: 1.6;
}
.messages.win .title {
  color: var(--green-color);
}
.messages.lose .title {
  color: var(--red-color);
}

.restart {
  display: none;
  margin: 20px auto;
}
.restart.active {
  display: block;
}

.rank-container {
  background-color: var(--color1);
  padding: 15px 0;
  transform: translateY(200%);
  -webkit-transform: translateY(200%);
  -moz-transform: translateY(200%);
  -ms-transform: translateY(200%);
  -o-transform: translateY(200%);
}
.rank-container.active {
  transform: translateY(0);
  -webkit-transform: translateY(0);
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  -o-transform: translateY(0);
}
.rank-container .container {
  display: grid;
  gap: 20px;
}
.rank-container .title {
  font-family: "Righteous", sans-serif;
  text-align: center;
  font-size: 40px;
  background-color: var(--color2);
  padding: 15px;
  border-radius: 5px;
  -webkit-border-radius: 5px;
  -moz-border-radius: 5px;
  -ms-border-radius: 5px;
  -o-border-radius: 5px;
}
.rank-container .description {
  text-align: center;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.6;
}
.rank-container .rank-based span {
  font-family: "Righteous", sans-serif;
  font-weight: normal;
}
.rank-container .rank-users {
  display: grid;
  grid-template-columns: auto 1fr repeat(3, auto);
  row-gap: 5px;
  column-gap: 3px;
  max-height: calc(100dvh - 203px);
  overflow-y: scroll;
}
.rank-container .rank-users div {
  background-color: white;
  color: var(--color1);
  padding: 10px;
  display: flex;
  align-items: center;
  font-weight: 600;
}
.rank-container .rank-users .rank-title {
  font-size: 18px;
  font-weight: bold;
}
.rank-container .rank-users .rank-title:not(.name),
.rank-container .rank-users .rank-value:not(.name) {
  justify-content: center;
}
.rank-container .rank-users .win-rate {
  display: none;
}
.rank-container .rank-users .the-user {
  background-color: var(--color2);
  color: white;
}
.rank-container .close {
  position: fixed;
  bottom: 15px;
  left: 50%;
  transform: translateX(-50%) scale(1);
  -webkit-transform: translateX(-50%) scale(1);
  -moz-transform: translateX(-50%) scale(1);
  -ms-transform: translateX(-50%) scale(1);
  -o-transform: translateX(-50%) scale(1);
  background-color: var(--color2);
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  border-radius: 50%;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -ms-border-radius: 50%;
  -o-border-radius: 50%;
  cursor: pointer;
  transition: transform var(--transition);
  -webkit-transition: transform var(--transition);
  -moz-transition: transform var(--transition);
  -ms-transition: transform var(--transition);
  -o-transition: transform var(--transition);
}
.rank-container .close:hover {
  transform: translateX(-50%) scale(0.9);
  -webkit-transform: translateX(-50%) scale(0.9);
  -moz-transform: translateX(-50%) scale(0.9);
  -ms-transform: translateX(-50%) scale(0.9);
  -o-transform: translateX(-50%) scale(0.9);
}

@media (min-width: 550px) {
  .rank-container .rank-users {
    grid-template-columns: auto 1fr repeat(4, auto);
  }
  .rank-container .rank-users .win-rate {
    display: flex;
  }
}

@media (min-width: 768px) {
  header .container {
    grid-template-columns: 1fr 100px;
  }
  header .title,
  .user .name {
    font-size: 30px;
  }
  .user .scores {
    gap: 10px;
  }
  .user .user-name .change-user,
  .user .scores .score {
    font-size: 16px;
  }
  .user .user-icon {
    font-size: 80px;
  }
  .blocks-container .container {
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: repeat(4, 100px);
  }
  .blocks-container .block .face {
    font-size: 60px;
  }
  .timer {
    font-size: 40px;
  }
}