.learn__side-map .stage, .learn-stages .categ > h2 {
  font-family: Roboto, sans-serif;
  font-weight: 300;
}

.learn-stages .what_next > p, .learn-stages .categ > h2 {
  text-shadow: 0 1px 0 var(--c-font-shadow);
}

:where(html.transp) .learn__screen, :where(html.transp) .learn__main #promotion-choice .explanation, .learn__main #promotion-choice :where(html.transp) .explanation {
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.learn__screen, .learn__main #promotion-choice .explanation {
  box-shadow: 0 14px 28px #00000026, 0 10px 10px #0000001f;
}

.learn__screen-overlay {
  background: var(--c-page-mask);
  z-index: 110;
  position: fixed;
  inset: 0;
}

.learn__side-map .stage, .learn__table .progress a {
  flex-flow: wrap;
  align-items: center;
  display: flex;
}

.learn__table .progress, .learn-stages .stage {
  flex-flow: row;
  align-items: center;
  display: flex;
}

.learn__table .result, .learn__table .goal {
  flex-flow: wrap;
  justify-content: center;
  align-items: center;
  display: flex;
}

.learn__side-home__header .learn__side-home__title, .learn__side-home__header, .learn__side-home {
  flex-flow: column;
  display: flex;
}

.learn__screen, .learn-stages .stage, .learn__table .wrap, .learn__side-home {
  border-radius: var(---ui-roundness, 7px);
}

.learn__table .wrap {
  overflow: hidden;
}

.learn__side-home .progress .bar {
  border-radius: 0 var(---ui-roundness, 7px) var(---ui-roundness, 7px) 0;
}

.learn__table .wrap {
  box-shadow: 0 2px 2px #00000014, 0 3px 1px -2px #0000002e, 0 1px 5px #0000001a;
}

:where(html.transp) .learn__side-home {
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.learn__side-home {
  border: 1px solid var(--c-border);
}

:where(html.transp) .learn__table .wrap, .learn__table :where(html.transp) .wrap {
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

coords {
  font-size: 8px;
}

@media (min-width: 300px) {
  coords {
    font-size: calc(.444444vw + 6.66667px);
  }
}

@media (min-width: 1200px) {
  coords {
    font-size: 12px;
  }
}

coords {
  -webkit-user-select: none;
  user-select: none;
  pointer-events: none;
  color: #fff;
  text-shadow: 0 1px 2px #000;
  font-weight: bold;
  display: flex;
  position: absolute;
}

.coords-no coords {
  display: none;
}

coords.ranks {
  flex-flow: column-reverse;
  width: .8em;
  height: 100%;
  top: 1px;
  right: 0;
}

coords.ranks.black {
  flex-flow: column;
}

coords.files {
  text-align: left;
  flex-flow: row;
  width: 100%;
  height: 1.4em;
  bottom: 0;
  left: 0;
}

coords.files.black {
  flex-flow: row-reverse;
}

coords.files coord {
  padding-left: 4px;
}

coords coord {
  flex: auto;
}

coords .is3d .cg-wrap coords coord {
  color: #fff !important;
  text-shadow: 0 1px 2px #000 !important;
}

coords .is3d .cg-wrap coords.files {
  bottom: calc(1px - 2.5%);
}

coords .is3d .cg-wrap coords.files coord {
  padding-left: 3px;
}

coords {
  text-shadow: var(---cg-cs, 0 1px 2px #000);
}

coords .coord-light {
  color: var(---cg-ccb, #fff);
}

coords .coord-dark {
  color: var(---cg-ccw, #fff);
}

@media (min-width: 799.3px), (orientation: landscape) {
  .coords-out coords {
    text-shadow: none;
  }

  .coords-out coords.ranks {
    width: 12px;
    top: 0;
    right: -15px;
  }

  .coords-out coords.ranks coord {
    transform: translateY(42%);
  }

  .coords-out coords.files {
    text-align: center;
    bottom: -15px;
    left: 0;
  }

  .coords-out coords.ranks coord, .coords-out .is2d coords.files coord {
    color: var(--c-font-page) !important;
  }

  .coords-out .main-board {
    margin-bottom: 12px;
  }
}

body {
  ---board-scale: 1;
}

@media (min-width: 799.3px) and (min-height: 499.3px) {
  body {
    ---board-scale: calc((var(---zoom) / 100) * .75 + .25);
  }
}

body {
  ---col2-uniboard-width: calc(min(calc(100vw - var(---block-gap) - 240px - 2 * var(---main-margin, 0px) - 20px), calc(100vh - calc(var(---site-header-height) + var(---site-header-margin) + var(---sticky-gap)) - 1rem)) * var(---board-scale));
  ---col3-uniboard-width: calc(min(calc(100vw - var(---col3-uniboard-side-min, 250px) - var(---block-gap) - 240px - 2 * var(---main-margin, 0px) - 20px), calc(100vh - calc(var(---site-header-height) + var(---site-header-margin) + var(---sticky-gap)) - 1rem)) * var(---board-scale));
}

@supports not (width: min(1px, 2px)) {
  body {
    ---col2-uniboard-width: minmax(calc(70vmin * var(---board-scale)), calc(100vh * var(---board-scale) - calc(var(---site-header-height) + var(---site-header-margin) + var(---sticky-gap)) - 3rem));
    ---col3-uniboard-width: minmax(calc(70vmin * var(---board-scale)), calc(100vh * var(---board-scale) - calc(var(---site-header-height) + var(---site-header-margin) + var(---sticky-gap)) - 3rem));
  }
}

@media (max-width: 799.29px) and (orientation: portrait) {
  .main-board cg-board {
    border-radius: 0;
  }
}

html:not([dir="rtl"]) #promotion-choice {
  right: 0;
}

html[dir="rtl"] #promotion-choice {
  left: 0;
}

#promotion-choice {
  background: rgb(from var(--c-bg) r g b/calc(alpha * .7));
  z-index: 205;
  width: var(---cg-width, 100%);
  height: var(---cg-height, 100%);
  position: absolute;
}

#promotion-choice square {
  cursor: pointer;
  pointer-events: all;
  background-color: #b0b0b0;
  border-radius: 50%;
  transition: all .15s;
  box-shadow: inset 0 0 25px 3px gray;
}

#promotion-choice square:hover {
  box-shadow: inset 0 0 48px 8px var(--c-accent);
  border-radius: 0;
}

#promotion-choice piece {
  pointer-events: none;
  opacity: 1;
}

.is2d #promotion-choice piece {
  width: 100%;
  height: 100%;
  transition: all .15s;
  transform: scale(.8);
}

.is2d #promotion-choice square:hover piece {
  transform: none;
}

html:not([dir="rtl"]) .ribbon-wrapper {
  right: -3px;
}

html[dir="rtl"] .ribbon-wrapper {
  left: -3px;
}

.ribbon-wrapper {
  width: 88px;
  height: 88px;
  display: block;
  position: absolute;
  top: -4px;
  overflow: hidden;
}

@media (max-width: 500px) {
  html:not([dir="rtl"]) .ribbon-wrapper {
    right: -13px;
  }

  html[dir="rtl"] .ribbon-wrapper {
    left: -13px;
  }

  .ribbon-wrapper {
    top: -14px;
    scale: .75;
  }
}

.ribbon {
  --ribbon-fade: #1111116e;
}

:where(html.light) .ribbon {
  --ribbon-fade: #1111113e;
}

html:not([dir="rtl"]) .ribbon {
  left: -4px;
}

html[dir="rtl"] .ribbon {
  right: -4px;
}

.ribbon {
  text-align: center;
  color: #fff;
  z-index: 1;
  text-shadow: 0 1px #0006;
  width: 120px;
  padding: 7px 0;
  font-size: 15px;
  font-weight: bold;
  display: block;
  position: relative;
  top: 15px;
  transform: rotate(45deg);
  box-shadow: 1px 0 3px #0000004d;
}

html[dir="rtl"] .ribbon {
  transform: rotate(-45deg);
}

:where(html.light) .ribbon {
  color: #000;
  text-shadow: 0 1px #fff6;
}

.ribbon icon {
  color: hsl(from var(--c-brag) h calc(s + 10) calc(l + 10));
  text-shadow: 0 0 1.5px #00000080;
  animation: .6s ease-in-out infinite soft-hue;
}

:where(html.light) .ribbon icon {
  color: hsl(from var(--c-brag) h calc(s + 35) calc(l + 16));
  text-shadow: 0 0 1.5px #000000a8;
}

.ribbon icon:nth-child(2) {
  animation-delay: .2s;
}

.ribbon icon:nth-child(3) {
  animation-delay: .4s;
}

.ribbon:before, .ribbon:after {
  content: "";
  mix-blend-mode: overlay;
  width: 32px;
  height: 100%;
  position: absolute;
  top: 0;
}

html:not([dir="rtl"]) .ribbon:before {
  left: 0;
}

html[dir="rtl"] .ribbon:before {
  right: 0;
}

.ribbon:before {
  background: linear-gradient(90deg, var(--ribbon-fade), transparent);
}

html:not([dir="rtl"]) .ribbon:after {
  right: 0;
}

html[dir="rtl"] .ribbon:after {
  left: 0;
}

.ribbon:after {
  background: linear-gradient(270deg, var(--ribbon-fade), transparent);
}

.ribbon.done {
  background-color: hsl(from var(--c-secondary) h calc(s - 20) l);
  box-shadow: 1px 0 3px rgb(from var(--c-secondary) r g b/calc(alpha * .5));
}

:where(html.light) .ribbon.done {
  background-color: hsl(from var(--c-secondary) h calc(s - 18) calc(l + 32));
}

.ribbon.ongoing {
  background-color: hsl(from var(--c-primary) h calc(s - 20) l);
  box-shadow: 1px 0 3px rgb(from var(--c-primary) r g b/calc(alpha * .5));
}

:where(html.light) .ribbon.ongoing {
  background-color: hsl(from var(--c-primary) h calc(s - 10) calc(l + 30));
}

.ribbon.future {
  background-color: hsl(from var(--c-future) h calc(s - 20) l);
  box-shadow: 1px 0 3px rgb(from var(--c-future) r g b/calc(alpha * .5));
}

:where(html.light) .ribbon.future {
  background-color: hsl(from var(--c-future) h calc(s - 5) calc(l + 15));
}

@property --border-angle {
  syntax: "<angle>";
  inherits: true;
  initial-value: 0turn;
}

#main-wrap:not(:has(.learn--map)) {
  ---main-max-width: calc(100vh - calc(var(---site-header-height) + var(---site-header-margin) + var(---sticky-gap)) - 10rem);
}

@media (min-width: 799.3px), (orientation: landscape) {
  #main-wrap:not(:has(.learn--map)) {
    ---main-max-width: auto;
  }
}

.learn {
  grid-area: main;
  display: grid;
}

.learn__side {
  grid-area: side;
}

.learn__main {
  grid-area: main;
}

.learn__table {
  grid-area: table;
}

.learn--run {
  grid-template-areas: "main"
                       "table"
                       "side";
}

.learn--map {
  grid-template-areas: "side"
                       "main";
}

.learn {
  gap: 2rem;
}

@media (min-width: 799.3px), (orientation: landscape) {
  .learn--run {
    grid-template-columns: var(---col2-uniboard-width) minmax(240px, 400px);
    grid-template-rows: fit-content(0);
    grid-template-areas: "main table"
                         "side .";
  }

  .learn--map {
    grid-template-columns: 242px auto;
    grid-template-areas: "side main";
  }
}

@media (min-width: 799.3px) and (min-width: 1260px), (orientation: landscape) and (min-width: 1260px) {
  .learn--map {
    grid-template-columns: 242px minmax(auto, 1028px);
  }
}

@media (min-width: 1259.3px) {
  .learn--run {
    grid-template-columns: minmax(var(---col3-uniboard-side-min, 250px), 350px) var(---col3-uniboard-width) minmax(240px, 400px);
    grid-template-areas: "side main table";
  }
}

.learn-stages .categ > h2 {
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--c-font-dim);
  font-size: 2em;
}

.learn-stages .categ_stages {
  ---min-width: 400px;
}

@media (max-width: 500px) {
  .learn-stages .categ_stages {
    ---min-width: calc(100vw - 2em);
    padding: 0 .5em;
  }
}

.learn-stages .categ_stages {
  grid-template-columns: repeat(auto-fill, minmax(var(---min-width), 1fr));
  gap: 1em;
  margin: 1.5em 0 3em;
  display: grid;
}

.learn-stages .stage {
  transition: all .15s;
}

:where(html.transp) .learn-stages .stage {
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.learn-stages .stage {
  min-height: 90px;
  color: var(--c-font);
  border: 1px solid var(--c-border);
  background: var(--c-bg-box);
  padding-right: 3em;
  font-size: 1.2em;
  position: relative;
  box-shadow: 0 3px 5px #00000012;
}

@media (max-width: 500px) {
  .learn-stages .stage {
    min-height: fit-content;
    padding: 6px 3em 6px 0;
  }

  .learn-stages .stage p {
    margin-top: 2px;
  }
}

.learn-stages .stage img {
  opacity: .75;
  filter: brightness(1.1);
  border-radius: calc(var(---ui-roundness, 7px) / 2);
  border-style: solid;
  border-width: 1px;
  width: 60px;
  height: 60px;
  margin: 0 1em;
  padding: 8px;
}

@media (max-width: 500px) {
  .learn-stages .stage img {
    width: 48px;
    height: 48px;
    margin: 4px 12px;
  }
}

.learn-stages .stage h3 {
  font-size: 1.6em;
  line-height: 1;
}

.learn-stages .stage p {
  opacity: .8;
  color: var(--c-font-dim);
  margin: 4px 0 0;
  line-height: 1.2;
}

.learn-stages .stage.ongoing img {
  background: linear-gradient(130deg, var(--c-primary), hsl(from var(--c-primary) h s calc(l - 16)));
  border-color: hsl(from var(--c-primary) h s calc(l - 10));
}

.learn-stages .stage.ongoing .attention-effect {
  --border-angle: 0turn;
  --gradient-border: conic-gradient(from var(--border-angle),
    transparent 25%,
    hsl(from var(--c-primary) h s calc(l + 25)),
    rgb(from var(--c-primary) r g b/calc(alpha * .3)));
  border-radius: var(---ui-roundness, 7px);
  background: var(--gradient-border) border-box, transparent border-box;
  background-position: center;
  border: 3px solid #0000;
  animation: 3.5s linear infinite bg-spin;
  position: absolute;
  inset: -1px;
  -webkit-mask-image: linear-gradient(#fff 0 0), linear-gradient(#fff 0 0);
  mask-image: linear-gradient(#fff 0 0), linear-gradient(#fff 0 0);
  -webkit-mask-position: 0 0, 0 0;
  mask-position: 0 0, 0 0;
  -webkit-mask-size: auto, auto;
  mask-size: auto, auto;
  -webkit-mask-repeat: repeat, repeat;
  mask-repeat: repeat, repeat;
  -webkit-mask-clip: content-box, border-box;
  mask-clip: content-box, border-box;
  -webkit-mask-origin: content-box, border-box;
  mask-origin: content-box, border-box;
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  -webkit-mask-source-type: auto, auto;
  mask-mode: match-source, match-source;
}

@keyframes bg-spin {
  to {
    --border-angle: 1turn;
  }
}

.learn-stages .stage.done img {
  background: linear-gradient(130deg, var(--c-secondary), hsl(from var(--c-secondary) h s calc(l - 16)));
  border-color: hsl(from var(--c-secondary) h s calc(l - 10));
}

.learn-stages .stage.future img {
  background: linear-gradient(130deg, var(--c-future), hsl(from var(--c-future) h s calc(l - 16)));
  border-color: hsl(from var(--c-future) h s calc(l - 10));
}

.learn-stages .stage.active, .learn-stages .stage:hover {
  transform: scale(1.025);
}

.learn-stages .what_next > p {
  width: 100%;
  margin: .25em 0 1.5em;
  font-size: 1.2em;
}

.learn__table {
  align-self: center;
}

.learn__table .title {
  background: var(--c-primary);
  color: var(--c-over);
  display: flex;
}

.learn__table .title h2, .learn__table .title h3 {
  white-space: nowrap;
  margin: 15px 0 5px -3px;
  font-size: 2.3em;
}

.learn__table .title img {
  width: 80px;
  height: 80px;
  margin: 5px 8px 5px 5px;
}

.learn__table .subtitle {
  margin-bottom: 1em;
}

.learn__table .goal {
  background: var(--c-bg-box);
  border: 1px solid var(--c-border);
  padding: var(---block-gap);
  text-align: center;
  border-top: none;
}

.learn__table .result {
  border: 1px solid var(--c-border);
  text-align: center;
  cursor: pointer;
  border-top: none;
  flex-flow: column;
  min-height: 135px;
  padding: 0;
  font-size: 1.7em;
  transition: all .15s;
}

@keyframes shadow-glow {
  50% {
    transform: scale(1.05);
    box-shadow: 0 0 10px 10px #ffffff80;
  }
}

@keyframes text-shadow-glow {
  50% {
    text-shadow: 0 0 10px #fff;
    transform: scale(1.05);
  }
}

.learn__table .result h2 {
  animation: 1s text-shadow-glow;
}

.learn__table .result.failed h2, .learn__table .result.next h2 {
  margin-top: 15px;
}

.learn__table .result:hover {
  filter: brightness(1.1);
}

.learn__table .result .stars {
  margin-top: 4px;
}

.learn__table .result .stars icon {
  margin: 3px;
  animation: 1s text-shadow-glow;
}

.learn__table .result button {
  text-transform: uppercase;
  border-radius: var(---ui-roundness, 7px);
  background: #fff;
  margin: 15px auto;
  padding: 5px 10px;
  font-size: 30px;
  font-weight: bold;
  animation: 1s infinite shadow-glow;
  box-shadow: 0 0 5px 5px #ffffff80;
}

.learn__table .result.completed {
  background: var(--c-good);
  color: var(--c-over);
}

.learn__table .result.completed button {
  color: var(--c-good);
}

.learn__table .result.failed {
  background: var(--c-bad);
  color: var(--c-over);
}

.learn__table .result.failed button {
  color: var(--c-bad);
}

@keyframes go-home {
  from {
    opacity: 1;
  }

  to {
    opacity: .1;
  }
}

.learn__table .result.completed:not(.no-go-home) piece {
  animation: .7s ease-in-out .7s go-home;
}

.learn__table .progress {
  text-align: center;
  border: 1px solid var(--c-border);
  border-top: 0;
}

.learn__table .progress a {
  text-align: center;
  background: var(--c-bg-high);
  border-inline-start: 1px solid var(--c-border);
  opacity: .8;
  flex: 100%;
  align-content: center;
  height: 3em;
  font-size: .9em;
  transition: all .15s;
}

.learn__table .progress a:first-child {
  border-inline-start: 0;
}

.learn__table .progress a:hover {
  opacity: 1;
}

.learn__table .progress a span {
  margin: auto;
}

.learn__table .progress .st3 icon:first-child {
  display: block;
}

.learn__table .progress a.done {
  color: var(--c-over);
  background: var(--c-good);
}

.learn__table .progress a.active {
  opacity: 1;
  color: var(--c-over);
  background: var(--c-primary);
}

@keyframes soft-hue {
  50% {
    filter: hue-rotate(-10deg);
  }
}

@keyframes soft-grow {
  0% {
    scale: 1;
  }

  50% {
    scale: 1.08;
  }
}

@keyframes apple-appear {
  0% {
    opacity: .5;
    rotate: -360deg;
    scale: 0;
  }

  100% {
    opacity: 1;
    scale: 1;
    rotate: 0;
  }
}

.learn__main .apple {
  animation: .6s ease-in-out forwards apple-appear, 1.7s ease-in-out .7s infinite soft-grow, .7s ease-in-out .7s infinite soft-hue;
}

.learn__main.apples .cg-wrap piece.pawn.black {
  background-image: none;
}

@keyframes rank-glow {
  50% {
    background-color: #ffffff80;
    box-shadow: 0 0 40px #ffffffb3;
  }
}

.highlight-2nd-rank .learn__main cg-board:after, .highlight-5th-rank .learn__main cg-board:after, .highlight-7th-rank .learn__main cg-board:after {
  content: "";
  width: 100%;
  height: 12.5%;
  position: absolute;
  bottom: 12.5%;
}

html:not([dir="rtl"]) .highlight-2nd-rank .learn__main cg-board:after, html:not([dir="rtl"]) .highlight-5th-rank .learn__main cg-board:after, html:not([dir="rtl"]) .highlight-7th-rank .learn__main cg-board:after {
  left: 0;
}

html[dir="rtl"] .highlight-2nd-rank .learn__main cg-board:after, html[dir="rtl"] .highlight-5th-rank .learn__main cg-board:after, html[dir="rtl"] .highlight-7th-rank .learn__main cg-board:after {
  right: 0;
}

.highlight-2nd-rank .learn__main cg-board:after, .highlight-5th-rank .learn__main cg-board:after, .highlight-7th-rank .learn__main cg-board:after {
  background-color: #fff3;
  animation: 1s ease-in-out infinite rank-glow;
  box-shadow: 0 0 15px #fff3;
}

.highlight-7th-rank .learn__main cg-board:after {
  top: 12.5%;
}

.highlight-5th-rank .learn__main cg-board:after {
  top: 37.5%;
}

.learn__main #promotion-choice .explanation {
  background: var(--c-bg-popup);
  position: absolute;
  top: 25%;
}

html:not([dir="rtl"]) .learn__main #promotion-choice .explanation {
  left: 25%;
}

html[dir="rtl"] .learn__main #promotion-choice .explanation {
  right: 25%;
}

.learn__main #promotion-choice .explanation {
  width: 50%;
  height: 50%;
  padding: 20px;
}

.learn__main #promotion-choice .explanation h2 {
  font-size: 2em;
}

.learn__main #promotion-choice .explanation p {
  margin-top: 15px;
  font-size: 1.3em;
}

html:not([dir="rtl"]) .learn__main .piece-values cg-board piece:before {
  right: 4px;
}

html[dir="rtl"] .learn__main .piece-values cg-board piece:before {
  left: 4px;
}

.learn__main .piece-values cg-board piece:before {
  color: #fff;
  text-shadow: 0 0 9px #000, 0 0 4px #000;
  font-size: 30px;
  font-weight: bold;
  position: absolute;
  top: 14px;
}

.learn__main .piece-values cg-board piece.queen:before {
  content: "9";
}

.learn__main .piece-values cg-board piece.rook:before {
  content: "5";
}

.learn__main .piece-values cg-board piece.bishop:before, .learn__main .piece-values cg-board piece.knight:before {
  content: "3";
}

.learn__main .piece-values cg-board piece.pawn:before {
  content: "1";
}

.learn__screen-overlay {
  cursor: pointer;
  display: grid;
}

.learn__screen {
  background-color: var(--c-bg-box);
  text-align: center;
  width: 350px;
  max-height: 100%;
  margin: auto;
  padding-top: 36px;
  overflow: auto;
}

@keyframes slide-in {
  0% {
    opacity: 0;
    filter: blur(15px);
  }

  100% {
    opacity: 1;
    filter: blur();
  }
}

.learn__screen > :first-child {
  animation: 1s cubic-bezier(.37, .82, .2, 1) slide-in;
}

.learn__screen > :nth-child(2) {
  animation: 1.5s cubic-bezier(.37, .82, .2, 1) slide-in;
}

.learn__screen > :nth-child(3) {
  animation: 2s cubic-bezier(.37, .82, .2, 1) slide-in;
}

.learn__screen > :nth-child(4) {
  animation: 2.5s cubic-bezier(.37, .82, .2, 1) slide-in;
}

.learn__screen > :nth-child(5) {
  animation: 3s cubic-bezier(.37, .82, .2, 1) slide-in;
}

.learn__screen .stars {
  margin-bottom: 20px;
}

@keyframes star-appear {
  0% {
    filter: saturate();
    opacity: .5;
    transform: scale(0) rotate(-360deg);
  }

  85% {
    filter: saturate();
    opacity: 1;
    transform: scale(1.3) rotate(10deg);
  }

  100% {
    filter: saturate();
    opacity: 1;
    transform: scale(1) rotate(0);
  }
}

.learn__screen .stars .star-wrap {
  width: 55px;
  height: 55px;
  margin: 0 5px;
  display: inline-block;
  position: relative;
}

html:not([dir="rtl"]) .learn__screen .stars .star-wrap:before {
  left: 5px;
}

html[dir="rtl"] .learn__screen .stars .star-wrap:before {
  right: 5px;
}

.learn__screen .stars .star-wrap:before {
  content: "";
  filter: saturate(0);
  opacity: .2;
  background-image: url("../hashed/star.ea2d50a4.png");
  background-size: cover;
  width: 45px;
  height: 45px;
  display: block;
  position: absolute;
  top: 5px;
}

.learn__screen .stars .star {
  opacity: 0;
  background-image: url("../hashed/star.ea2d50a4.png");
  background-size: cover;
  width: 55px;
  height: 55px;
  animation: 2.5s ease-in-out .1s forwards star-appear;
  display: inline-block;
}

.learn__screen .stars .star-wrap:nth-child(2) .star {
  animation-delay: .8s;
}

.learn__screen .stars .star-wrap:nth-child(3) .star {
  animation-delay: 1.6s;
}

.learn__screen .no-square {
  width: 100px;
  height: 100px;
  margin: 0 auto 22px;
  position: relative;
}

.is3d .learn__screen .no-square {
  height: 132px;
  margin-bottom: 0;
}

.learn__screen h1 {
  color: var(--c-font-clear);
  margin-bottom: 22px;
  font-size: 24px;
  font-weight: bold;
}

.learn__screen .round-svg {
  background: #f57c00;
  border-radius: 50%;
  width: 240px;
  height: 240px;
  margin: 0 auto 10px;
  padding: 0;
  display: flex;
}

.learn__screen .round-svg img {
  width: 180px;
  height: 180px;
  margin: auto;
}

.learn__screen .score {
  text-transform: uppercase;
  color: var(--c-brag);
  letter-spacing: 1px;
  margin-bottom: 17px;
  font-size: .85em;
  display: block;
}

.learn__screen .score span {
  font-family: monospace;
  font-size: 1rem;
  font-weight: bold;
}

.learn__screen p {
  margin-bottom: 17px;
  padding: 0 15%;
  line-height: 24px;
}

.learn__screen .buttons {
  flex-direction: column;
  gap: 8px;
  margin: 8px 10% 24px;
  display: flex;
}

.learn__screen .buttons button {
  justify-content: center;
  align-items: center;
  gap: 4px;
  height: 48px;
  display: flex;
}

.learn__screen piece {
  width: 100%;
  height: 100%;
}

.learn__side-map {
  -webkit-user-select: none;
  user-select: none;
}

.learn__side-map .back, .learn__side-map .categ > h2 {
  text-indent: 15px;
  cursor: pointer;
  opacity: .81;
  height: 50px;
  font-size: 1.3em;
  line-height: 50px;
  display: block;
}

.learn__side-map .back {
  color: var(--c-font);
  display: flex;
}

.learn__side-map .back img {
  opacity: .9;
  background: #787878;
  width: 50px;
  height: 50px;
  margin-inline-end: 10px;
  padding: 10px;
  display: block;
}

.learn__side-map .back:hover {
  background: #78787833;
}

.learn__side-map .categ > h2 {
  border-top: 1px solid var(--c-border);
}

.learn__side-map .categ > h2:hover {
  background: rgb(from var(--c-primary) r g b/calc(alpha * .2));
}

.learn__side-map .categ.active {
  border: 1px solid var(--c-border);
  border-width: 0 1px;
}

.learn__side-map .categ.active:last-child {
  border-bottom-width: 1px;
}

.learn__side-map .categ.active > h2 {
  cursor: default;
  background: var(--c-primary);
  color: var(--c-over);
}

.learn__side-map .categ:not(.active) .categ_stages {
  display: none;
}

.learn__side-map .stage {
  opacity: .9;
  color: var(--c-font);
  font-size: 1.1em;
  transition: all .15s;
}

.learn__side-map .stage img, .learn__side-map .stage icon {
  opacity: .9;
  width: 50px;
  height: 50px;
  margin-inline-end: 10px;
  padding: 10px;
}

.learn__side-map .stage icon:before {
  font-size: 30px;
}

.learn__side-map .stage.active {
  background: rgb(from var(--c-primary) r g b/calc(alpha * .2));
}

.learn__side-map .stage.active img {
  background: var(--c-primary);
}

.learn__side-map .stage.done:hover {
  background: rgb(from var(--c-secondary) r g b/calc(alpha * .2));
}

.learn__side-map .stage.done img {
  background: var(--c-good);
}

.learn__side-map .stage.future:hover {
  background: rgb(from var(--c-primary) r g b/calc(alpha * .2));
}

.learn__side-map .stage.future img {
  opacity: .7;
  background: var(--c-primary);
}

.learn__side-map .stage:hover {
  filter: brightness(.9);
  color: var(--c-font-clearer);
}

.learn__side-home .progress {
  border-radius: var(---ui-roundness, 7px);
  height: 30px;
  color: var(--c-over);
  background: #1a7edb;
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 1px 1px #0000001a;
}

.learn__side-home .progress .bar {
  background: #1566b2 url("../hashed/grain.91560814.png");
  height: 100%;
  animation: 50s linear infinite animated-background, 1s forwards animated-bar;
  transform: translateX(-100px);
}

html:not([dir="rtl"]) .learn__side-home .progress .text {
  left: 0;
}

html[dir="rtl"] .learn__side-home .progress .text {
  right: 0;
}

.learn__side-home .progress .text {
  z-index: 3;
  width: 100%;
  line-height: 30px;
  position: absolute;
  top: 0;
}

@keyframes animated-background {
  from {
    background-position: 0 0;
  }

  to {
    background-position: 0 1000%;
  }
}

@keyframes animated-bar {
  from {
    transform: translateX(-100px);
  }

  to {
    transform: translateX(0);
  }
}

.learn__side-home {
  background: var(--c-bg-box);
  text-align: center;
  gap: 1em;
  padding: 1.25em 1.25em 1em;
}

@keyframes fat-glide {
  50% {
    transform: translateY(-4px);
  }
}

.learn__side-home img.decoration {
  aspect-ratio: 1;
  opacity: .7;
  width: 160px;
  margin: auto;
  display: block;
}

:where(html.light) .learn__side-home img.decoration {
  filter: brightness(.15);
}

.learn__side-home:hover img.decoration {
  animation: 1.5s ease-in-out infinite fat-glide;
}

.learn__side-home__header {
  gap: 1em;
}

.learn__side-home__header .learn__side-home__title {
  justify-content: center;
}

.learn__side-home__header h1 {
  font-size: 2.5em;
}

.learn__side-home__header h2 {
  font-size: 1.8em;
}

@media (max-width: 800px) {
  .learn__side-home__header {
    gap: var(---block-gap);
    text-align: left;
    flex-flow: row;
  }

  .learn__side-home__header img.decoration {
    width: min(100px, 30vw);
    margin: 0;
  }
}

.learn__side-home a {
  opacity: .6;
  color: var(--c-font);
}

.learn__side-home a:hover {
  opacity: 1;
}