#culture-game.nu-chess-game {
  --chess-cyan: #b8efff;
  --chess-lime: #dfff66;
  --chess-ink: #030608;
  --chess-panel: rgba(7, 16, 23, .88);
  --chess-line: rgba(184, 239, 255, .18);
  min-height: 0;
  padding-top: clamp(82px, 6vw, 96px);
  padding-bottom: clamp(46px, 4.5vw, 64px);
  overflow: hidden;
  background:
    radial-gradient(circle at 75% 12%, rgba(48, 118, 148, .19), transparent 30%),
    radial-gradient(circle at 8% 78%, rgba(223, 255, 102, .055), transparent 31%),
    linear-gradient(180deg, #030608 0%, #071018 52%, #020405 100%);
}
#culture-game.nu-chess-game::after {
  opacity: .38;
  background-image:
    linear-gradient(rgba(184, 239, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184, 239, 255, .05) 1px, transparent 1px);
  background-size: 72px 72px;
}
.nu-chess-shell { width: min(1560px, 100%); margin: 0 auto; }
.nu-chess-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: clamp(24px, 4vw, 56px);
  align-items: end;
  margin-bottom: clamp(22px, 3vw, 34px);
}
.nu-chess-header > div > span,
.nu-chess-footer > span,
.nu-chess-roster > header span,
.nu-chess-analysis section > span {
  color: var(--chess-cyan);
  font-size: 10px;
  font-weight: 760;
  letter-spacing: .16em;
}
.nu-chess-header h2 {
  max-width: 980px;
  margin: 10px 0 0;
  color: #f6f8f8;
  font-size: clamp(40px, 4.5vw, 72px);
  font-weight: 300;
  line-height: .92;
  letter-spacing: -.03em;
}
.nu-chess-header h2 strong { color: var(--chess-cyan); font-weight: 790; }
.nu-chess-header > p {
  max-width: 420px;
  margin: 0;
  color: rgba(255, 255, 255, .62);
  font-size: clamp(14px, 1vw, 16px);
  line-height: 1.5;
}
.nu-chess-arena {
  display: grid;
  grid-template-columns: minmax(210px, 250px) minmax(470px, 650px) minmax(210px, 270px);
  justify-content: center;
  gap: 10px;
  align-items: start;
}
.nu-chess-roster,
.nu-chess-table,
.nu-chess-analysis {
  border: 1px solid var(--chess-line);
  border-radius: 12px;
  background: linear-gradient(145deg, rgba(9, 19, 27, .94), rgba(3, 8, 12, .88));
  box-shadow: 0 32px 90px rgba(0, 0, 0, .34);
}
.nu-chess-roster { padding: 12px; }
.nu-chess-roster > header {
  min-height: 28px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
}
.nu-chess-roster > header small,
.nu-chess-moves header small {
  color: rgba(255, 255, 255, .62);
  font-size: 10px;
  letter-spacing: .13em;
}
.nu-chess-roster > button {
  position: relative;
  width: 100%;
  min-height: 66px;
  margin-top: 6px;
  padding: 6px 30px 6px 6px;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .085);
  border-radius: 7px;
  background: rgba(255, 255, 255, .025);
  cursor: pointer;
  text-align: left;
}
.nu-chess-roster > button:hover { border-color: rgba(184, 239, 255, .42); background: rgba(184, 239, 255, .055); }
.nu-chess-roster > button:focus-visible,
.nu-chess-levels button:focus-visible,
.nu-chess-tools button:focus-visible,
.nu-chess-intro button:focus-visible,
.nu-chess-result button:focus-visible,
.nu-chess-result a:focus-visible,
.nu-chess-promotion button:focus-visible {
  outline: 3px solid var(--chess-lime);
  outline-offset: 2px;
}
.nu-chess-roster > button.is-selected {
  border-color: var(--chess-cyan);
  background: linear-gradient(100deg, rgba(184, 239, 255, .12), rgba(184, 239, 255, .025));
  box-shadow: inset 3px 0 var(--chess-cyan);
}
.nu-chess-roster > button img {
  width: 44px;
  height: 52px;
  object-fit: cover;
  object-position: center 18%;
  border-radius: 5px;
  filter: saturate(.72) contrast(1.03);
}
.nu-chess-roster > button > span { min-width: 0; display: grid; gap: 2px; }
.nu-chess-roster > button strong { font-size: 11px; letter-spacing: .04em; }
.nu-chess-roster > button small { color: rgba(255, 255, 255, .68); font-size: 10px; letter-spacing: .04em; }
.nu-chess-roster > button em {
  display: -webkit-box;
  overflow: hidden;
  color: var(--chess-cyan);
  font-size: 10px;
  font-style: normal;
  line-height: 1.25;
  letter-spacing: .05em;
  overflow-wrap: anywhere;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.nu-chess-roster > button > i {
  position: absolute;
  right: 8px;
  top: 8px;
  color: rgba(255, 255, 255, .56);
  font-size: 10px;
  font-style: normal;
  letter-spacing: .08em;
}
.nu-chess-roster > p {
  margin: 10px 2px 0;
  color: rgba(255, 255, 255, .68);
  font-size: 10px;
  line-height: 1.4;
}
.nu-chess-levels {
  min-width: 0;
  margin: 12px 0 0;
  padding: 0;
  border: 0;
}
.nu-chess-levels legend { color: var(--chess-cyan); font-size: 10px; font-weight: 760; letter-spacing: .1em; }
.nu-chess-levels > div { margin-top: 6px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px; }
.nu-chess-levels button {
  position: relative;
  min-width: 0;
  min-height: 42px;
  padding: 6px 3px;
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, .62);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 5px;
  background: rgba(255, 255, 255, .02);
  cursor: pointer;
  text-align: center;
}
.nu-chess-levels button strong { min-width: 0; font-size: 10px; letter-spacing: 0; }
.nu-chess-levels button small {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.nu-chess-levels button.is-selected { color: #071015; border-color: var(--chess-lime); background: var(--chess-lime); }
.nu-chess-levels button.is-selected small { color: rgba(3, 8, 10, .62); }

.nu-chess-table { min-width: 0; overflow: hidden; }
.nu-chess-matchbar {
  min-height: 54px;
  padding: 7px 10px;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 6px;
  border-bottom: 1px solid var(--chess-line);
}
.nu-chess-matchbar > span {
  min-width: 0;
  padding: 5px 7px;
  display: grid;
  gap: 3px;
  border: 1px solid rgba(255, 255, 255, .06);
  border-radius: 5px;
  background: rgba(255, 255, 255, .018);
}
.nu-chess-matchbar small,
.nu-chess-seat small { color: rgba(184, 239, 255, .76); font-size: 10px; letter-spacing: .1em; }
.nu-chess-matchbar strong { overflow: hidden; color: #fff; font-size: 11px; letter-spacing: .07em; text-overflow: ellipsis; white-space: nowrap; }
.nu-chess-matchbar strong i { color: rgba(255, 255, 255, .3); font-style: normal; }
.nu-chess-board-frame { padding: 8px 10px; }
.nu-chess-seat {
  min-height: 46px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.nu-chess-seat > span:last-child { display: grid; gap: 3px; }
.nu-chess-seat strong { color: #fff; font-size: 11px; letter-spacing: .06em; }
.nu-chess-seat em { color: var(--chess-lime); font-size: 10px; font-style: normal; letter-spacing: .08em; }
.nu-chess-seat-photo {
  width: 34px;
  height: 34px;
  overflow: hidden;
  border: 1px solid rgba(184, 239, 255, .24);
  border-radius: 50%;
}
.nu-chess-seat-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 18%; }
.nu-chess-player-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: #071015;
  border-radius: 50%;
  background: var(--chess-cyan);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .05em;
}
.nu-chess-board-scroll {
  position: relative;
  width: 100%;
  overflow: auto;
  border: 1px solid rgba(184, 239, 255, .24);
  border-radius: 7px;
  background: #071015;
  scrollbar-width: thin;
  scrollbar-color: var(--chess-cyan) #071015;
}
.nu-chess-board {
  width: min(100%, 600px);
  min-width: 336px;
  aspect-ratio: 1;
  margin: 0 auto;
  display: grid;
  grid-template-rows: repeat(8, 1fr);
  background: #0c1820;
}
.nu-chess-row {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
}
.nu-chess-square {
  position: relative;
  min-width: 0;
  min-height: 0;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  padding: 0;
  overflow: hidden;
  color: inherit;
  border: 0;
  border-radius: 0;
  background: transparent;
  cursor: pointer;
  touch-action: manipulation;
}
.nu-chess-square.is-light { background: #d7e4e2; }
.nu-chess-square.is-dark { background: #426370; }
@media (hover:hover) {
  .nu-chess-square:hover { box-shadow:inset 0 0 0 4px rgba(223,255,102,.52); }
}
.nu-chess-square:focus-visible { z-index: 3; outline: 4px solid var(--chess-lime); outline-offset: -4px; }
.nu-chess-square.is-selected { z-index: 2; box-shadow: inset 0 0 0 5px #dfff66; }
.nu-chess-square.is-last-move { box-shadow: inset 0 0 0 999px rgba(184, 239, 255, .22); }
.nu-chess-square.is-check { box-shadow: inset 0 0 0 6px #ff6372, inset 0 0 28px rgba(255, 61, 80, .72); }
.nu-chess-square.is-legal::after {
  content: "";
  position: absolute;
  z-index: 2;
  width: 22%;
  aspect-ratio: 1;
  border: 3px solid #071015;
  border-radius: 50%;
  background: var(--chess-lime);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, .75);
  pointer-events: none;
}
.nu-chess-square.is-capture::after { width: 72%; background: transparent; border-width: 5px; box-shadow: inset 0 0 0 2px rgba(255, 255, 255, .7); }
.nu-chess-square.is-hint { animation: nuChessHint 820ms ease-in-out 2; }
@keyframes nuChessHint { 50% { box-shadow: inset 0 0 0 7px var(--chess-cyan), 0 0 24px rgba(184, 239, 255, .7); } }
.nu-chess-piece {
  position: relative;
  z-index: 1;
  font-family: "Arial Unicode MS", "Noto Sans Symbols 2", "Segoe UI Symbol", serif;
  font-size: clamp(29px, 4.2vw, 54px);
  font-style: normal;
  line-height: 1;
  transform: translateY(-1%);
  pointer-events: none;
}
.nu-chess-piece.is-white {
  color: #fffaf0;
  -webkit-text-stroke: 1px rgba(4, 12, 17, .82);
  text-shadow: 0 2px 2px rgba(0, 0, 0, .48);
}
.nu-chess-piece.is-black {
  color: #071015;
  -webkit-text-stroke: 1px rgba(242, 251, 252, .46);
  text-shadow: 0 1px 1px rgba(255, 255, 255, .18);
}
.nu-chess-coordinate {
  position: absolute;
  z-index: 2;
  left: 4px;
  top: 3px;
  color: rgba(4, 12, 17, .58);
  font-size: clamp(10px, .75vw, 12px);
  font-weight: 800;
  letter-spacing: .02em;
  pointer-events: none;
}
.nu-chess-square.is-dark .nu-chess-coordinate { color: rgba(255, 255, 255, .64); }

.nu-chess-intro,
.nu-chess-result,
.nu-chess-promotion {
  position: absolute;
  z-index: 10;
  left: 50%;
  top: 50%;
  width: min(460px, calc(100% - 24px));
  max-height: calc(100% - 20px);
  padding: clamp(20px, 3vw, 32px);
  overflow-y: auto;
  color: #f8faf9;
  border: 1px solid rgba(184, 239, 255, .35);
  border-radius: 11px;
  background: linear-gradient(145deg, rgba(5, 13, 19, .97), rgba(9, 21, 29, .95));
  box-shadow: 0 28px 90px rgba(0, 0, 0, .7);
  transform: translate(-50%, -50%);
  backdrop-filter: blur(20px);
}
.nu-chess-intro > span,
.nu-chess-result > span,
.nu-chess-promotion > span { color: var(--chess-cyan); font-size: 10px; font-weight: 780; letter-spacing: .13em; }
.nu-chess-intro h3,
.nu-chess-result h3,
.nu-chess-promotion h3 { margin: 14px 0 10px; font-size: clamp(32px, 4vw, 50px); line-height: .92; }
.nu-chess-intro p,
.nu-chess-result p { margin: 0; color: rgba(255, 255, 255, .62); font-size: 13px; line-height: 1.45; }
.nu-chess-intro > button,
.nu-chess-result button,
.nu-chess-result a,
.nu-chess-promotion button {
  min-height: 44px;
  margin-top: 18px;
  padding: 0 16px;
  display: inline-flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
  color: #061015;
  border: 1px solid var(--chess-cyan);
  border-radius: 5px;
  background: var(--chess-cyan);
  cursor: pointer;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .1em;
  text-decoration: none;
}
.nu-chess-intro > small { display: block; margin-top: 10px; color: rgba(255, 255, 255, .68); font-size: 10px; letter-spacing: .07em; }
.nu-chess-result > div { display: flex; flex-wrap: wrap; gap: 7px; }
.nu-chess-result button:nth-child(2),
.nu-chess-result a { color: rgba(255, 255, 255, .72); border-color: rgba(184, 239, 255, .22); background: rgba(255, 255, 255, .035); }
.nu-chess-promotion { width: min(420px, calc(100% - 28px)); }
.nu-chess-promotion > div { display: grid; grid-template-columns: repeat(2, 1fr); gap: 7px; }
.nu-chess-promotion button { justify-content: center; margin-top: 0; }
.nu-chess-promotion h3 { font-size: clamp(34px, 4vw, 50px); }

.nu-chess-tools {
  min-height: 54px;
  padding: 6px 10px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  border-top: 1px solid var(--chess-line);
}
.nu-chess-tools button {
  min-height: 40px;
  padding: 0 9px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: rgba(255, 255, 255, .7);
  border: 1px solid rgba(184, 239, 255, .14);
  border-radius: 5px;
  background: rgba(255, 255, 255, .025);
  cursor: pointer;
  font-size: 11px;
  font-weight: 760;
  letter-spacing: .09em;
}
.nu-chess-tools button:hover { color: var(--chess-cyan); border-color: var(--chess-cyan); }
.nu-chess-tools button[aria-disabled="true"] { opacity: .35; cursor: not-allowed; }
.nu-chess-status {
  min-height: 30px;
  margin: 0;
  padding: 7px 10px;
  color: rgba(184, 239, 255, .62);
  border-top: 1px solid rgba(184, 239, 255, .08);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
}

.nu-chess-analysis { overflow: hidden; }
.nu-chess-analysis section { padding: 14px; }
.nu-chess-analysis section + section { border-top: 1px solid var(--chess-line); }
.nu-chess-analysis section > strong {
  display: block;
  margin: 10px 0 7px;
  color: #fff;
  font-size: clamp(18px, 1.6vw, 24px);
  line-height: .96;
}
.nu-chess-analysis section > p { margin: 0; color: rgba(255, 255, 255, .48); font-size: 11px; line-height: 1.45; }
.nu-chess-moves header { display: flex; justify-content: space-between; gap: 12px; }
.nu-chess-moves header span { color: var(--chess-cyan); font-size: 10px; font-weight: 760; letter-spacing: .12em; }
.nu-chess-moves ol {
  max-height: 224px;
  margin: 10px 0 0;
  padding: 0;
  overflow: auto;
  list-style: none;
  counter-reset: moves;
  scrollbar-width: thin;
}
.nu-chess-moves li {
  min-height: 30px;
  padding: 6px 4px;
  display: grid;
  grid-template-columns: 24px 1fr 1fr;
  gap: 6px;
  align-items: center;
  color: rgba(255, 255, 255, .65);
  border-bottom: 1px solid rgba(255, 255, 255, .055);
  font-size: 10px;
}
.nu-chess-moves li::before { counter-increment: moves; content: counter(moves) "."; color: rgba(184, 239, 255, .4); }
.nu-chess-principle strong { color: var(--chess-lime) !important; }
.nu-chess-footer {
  min-height: 36px;
  padding: 10px 6px 0;
  display: grid;
  grid-template-columns: 190px 1fr auto;
  gap: 12px;
  align-items: start;
}
.nu-chess-footer strong { color: rgba(255, 255, 255, .66); font-size: 10px; font-weight: 560; letter-spacing: .07em; }
.nu-chess-footer small { color: rgba(255, 255, 255, .64); font-size: 10px; letter-spacing: .07em; }
.nu-chess-game:not(.is-playing):not(.is-complete) .nu-chess-board { opacity: .36; filter: saturate(.55); }
.nu-chess-game:not(.is-playing) .nu-chess-board { pointer-events: none; }
.nu-chess-game:not(.is-playing) .nu-chess-tools { opacity: .4; pointer-events: none; }
.nu-chess-game.is-thinking .nu-chess-board { cursor: wait; }
.nu-chess-game.is-thinking .nu-chess-square { pointer-events: none; }
.nu-chess-game.is-complete .nu-chess-board { opacity: .42; filter: saturate(.62); }

@media (max-width: 1180px) {
  .nu-chess-arena { grid-template-columns: 230px minmax(0, 650px); }
  .nu-chess-analysis { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); }
  .nu-chess-analysis section + section { border-top: 0; border-left: 1px solid var(--chess-line); }
}
@media (max-width: 820px) {
  #culture-game.nu-chess-game { padding-left: 14px; padding-right: 14px; }
  .nu-chess-header { grid-template-columns: 1fr; gap: 12px; margin-bottom: 20px; }
  .nu-chess-header h2 { font-size: clamp(38px, 7.8vw, 52px); }
  .nu-chess-header > p { max-width: 680px; }
  .nu-chess-arena { grid-template-columns: 1fr; }
  .nu-chess-roster,
  .nu-chess-table,
  .nu-chess-analysis { width: min(100%, 680px); margin-inline: auto; }
  .nu-chess-roster { display: grid; grid-template-columns: repeat(2, 1fr); gap: 7px; }
  .nu-chess-roster > header,
  .nu-chess-levels,
  .nu-chess-roster > p { grid-column: 1 / -1; }
  .nu-chess-roster > button { margin-top: 0; }
  .nu-chess-levels > div { grid-template-columns: repeat(3, 1fr); }
  .nu-chess-levels button { grid-template-columns: 1fr; gap: 3px; }
  .nu-chess-analysis { grid-column: auto; grid-template-columns: 1fr; }
  .nu-chess-analysis section + section { border-left: 0; border-top: 1px solid var(--chess-line); }
  .nu-chess-piece { font-size: clamp(30px, 9vw, 52px); }
}
@media (max-width: 560px) {
  #culture-game.nu-chess-game { padding-top: 76px; padding-right: 8px; padding-bottom: 38px; padding-left: 8px; }
  .nu-chess-header { padding: 0 4px; }
  .nu-chess-header h2 { font-size: clamp(30px, 9.5vw, 40px); line-height: .96; }
  .nu-chess-header > p { font-size: 13px; line-height: 1.42; }
  .nu-chess-roster { grid-template-columns: 1fr; }
  .nu-chess-roster > header,
  .nu-chess-levels,
  .nu-chess-roster > p { grid-column: auto; }
  .nu-chess-roster > button { min-height: 64px; }
  .nu-chess-roster > button img { height: 50px; }
  .nu-chess-board-frame { padding: 8px 0; }
  .nu-chess-board { min-width: 0; }
  .nu-chess-piece { font-size: clamp(27px, 9.6vw, 44px); }
  .nu-chess-tools { grid-template-columns: repeat(2, 1fr); padding: 8px; }
  .nu-chess-intro,
  .nu-chess-result {
    width: calc(100% - 14px);
    max-height: calc(100% - 12px);
    padding: 18px 14px;
  }
  .nu-chess-intro h3,
  .nu-chess-result h3 { margin: 10px 0 8px; font-size: clamp(30px, 9vw, 40px); }
  .nu-chess-intro p,
  .nu-chess-result p { font-size: 12px; line-height: 1.38; }
  .nu-chess-intro > button { min-height:44px; margin-top:13px; }
  .nu-chess-intro > small { display: none; }
  .nu-chess-result > div { display: grid; }
  .nu-chess-result button,
  .nu-chess-result a { width: 100%; margin-top: 0; }
  .nu-chess-footer { display: none; }
}
/* Minimal play-first presentation. */
.nu-chess-shell { width:min(780px,100%); }
.nu-chess-header {
  display:block;
  max-width:780px;
  margin:0 auto 18px;
  text-align:center;
}
.nu-chess-header h2 {
  max-width:none;
  margin:0;
  font-size:clamp(32px,5vw,54px);
  line-height:.96;
}
.nu-chess-arena {
  width:min(780px,100%);
  margin-inline:auto;
  grid-template-columns:minmax(0,1fr);
  gap:10px;
}
.nu-chess-roster {
  width:100%;
  margin:0;
  padding:9px;
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:7px;
}
.nu-chess-roster > button {
  min-height:62px;
  margin:0;
  padding:6px;
  grid-template-columns:44px minmax(0,1fr);
}
.nu-chess-roster > button img { height:48px; }
.nu-chess-roster > button strong { font-size:11px; line-height:1.15; }
.nu-chess-roster > p {
  grid-column:1 / -1;
  margin:2px 0 0;
  text-align:center;
  font-size:10px;
  letter-spacing:.08em;
}

.nu-chess-table { width:100%; margin:0; }
.nu-chess-board { width:min(100%,680px); min-width:0; }
.nu-chess-intro { width:min(340px,calc(100% - 24px)); text-align:center; }
.nu-chess-intro h3 { margin:0 0 14px; }
.nu-chess-intro > button { margin:0; }
.nu-chess-tools {
  grid-template-columns:repeat(3,minmax(0,1fr));
  padding:7px 10px;
}
.nu-chess-tools button {
  min-height:44px;
  justify-content:center;
  font-size:10px;
  letter-spacing:.06em;
}
.nu-chess-status {
  min-height:38px;
  padding:10px 12px;
  font-size:12px;
  letter-spacing:.04em;
  text-align:center;
}
.nu-chess-game:not(.is-playing) .nu-chess-tools { display:none; }
@media (max-width:560px) {
  .nu-chess-roster { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .nu-chess-roster > button { min-height:60px; }
  .nu-chess-board-frame { padding:7px; }
}

@media (prefers-reduced-motion: reduce) {
  .nu-chess-square.is-hint { animation: none; box-shadow: inset 0 0 0 6px var(--chess-cyan); }
}
@media (forced-colors: active) {
  .nu-chess-roster,
  .nu-chess-table,
  .nu-chess-analysis,
  .nu-chess-square,
  .nu-chess-intro,
  .nu-chess-result,
  .nu-chess-promotion { border: 1px solid CanvasText; forced-color-adjust: auto; }
  .nu-chess-square.is-selected { outline: 4px solid Highlight; outline-offset: -4px; }
  .nu-chess-square.is-legal::after { background: Highlight; border-color: CanvasText; }
  .nu-chess-piece { -webkit-text-stroke: 0; text-shadow: none; }
}