/* WMG Dual N-Back — scoped to #wmg-game-root, tournament-terminal language */

#wmg-game-root .nb-wrap {
  max-width: 640px;
  margin: 0 auto;
  color: #fff;
  font-family: var(--sans, 'Archivo', sans-serif);
}
#wmg-game-root .nb-wrap * { box-sizing: border-box; }

#wmg-game-root .nb-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
  padding-bottom: 10px;
  margin-bottom: 10px;
}
#wmg-game-root .nb-title {
  font-family: var(--mono, 'Martian Mono', monospace);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .14em;
}
#wmg-game-root .nb-status {
  font-family: var(--mono, 'Martian Mono', monospace);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: rgba(255, 255, 255, .55);
}

#wmg-game-root .nb-howto {
  font-size: 13px;
  line-height: 1.5;
  color: rgba(255, 255, 255, .65);
  margin: 0 0 14px;
}

#wmg-game-root .nb-nrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
#wmg-game-root .nb-nlabel {
  font-family: var(--mono, 'Martian Mono', monospace);
  font-size: 11px;
  letter-spacing: .12em;
  color: rgba(255, 255, 255, .55);
}
#wmg-game-root .nb-nbtn {
  font-family: var(--mono, 'Martian Mono', monospace);
  font-size: 13px;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 0;
  width: 38px;
  height: 38px;
  cursor: pointer;
}
#wmg-game-root .nb-nbtn.is-active {
  border-color: var(--led, #ff3b30);
  color: var(--led, #ff3b30);
}
#wmg-game-root .nb-nbtn:disabled { opacity: .4; cursor: default; }
#wmg-game-root .nb-nbtn:focus-visible {
  outline: 2px solid var(--led, #ff3b30);
  outline-offset: 2px;
}

#wmg-game-root .nb-board {
  position: relative;
  max-width: 360px;
  margin: 0 auto;
}
#wmg-game-root .nb-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
#wmg-game-root .nb-cell {
  aspect-ratio: 1 / 1;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .12);
}
#wmg-game-root .nb-cell.is-on {
  background: var(--led, #ff3b30);
  border-color: var(--led, #ff3b30);
}
#wmg-game-root .nb-letter {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  min-width: 64px;
  padding: 8px 12px;
  text-align: center;
  font-family: var(--mono, 'Martian Mono', monospace);
  font-size: 40px;
  color: #fff;
  background: var(--matte, #1a1a1a);
  border: 1px solid rgba(255, 255, 255, .12);
  pointer-events: none;
}
#wmg-game-root .nb-letter:empty { display: none; }

#wmg-game-root .nb-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 360px;
  margin: 12px auto 0;
}
#wmg-game-root .nb-counter,
#wmg-game-root .nb-tick {
  font-family: var(--mono, 'Martian Mono', monospace);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .55);
}
#wmg-game-root .nb-ticks { display: flex; gap: 14px; }
#wmg-game-root .nb-tick.is-ok { color: #34c759; }
#wmg-game-root .nb-tick.is-bad { color: var(--led, #ff3b30); }

#wmg-game-root .nb-btnrow {
  display: flex;
  gap: 8px;
  max-width: 360px;
  margin: 14px auto 0;
}
#wmg-game-root .nb-match {
  flex: 1;
  font-family: var(--mono, 'Martian Mono', monospace);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 0;
  padding: 14px 8px;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
}
#wmg-game-root .nb-match.is-pressed {
  border-color: var(--led, #ff3b30);
  color: var(--led, #ff3b30);
}
#wmg-game-root .nb-match:focus-visible {
  outline: 2px solid var(--led, #ff3b30);
  outline-offset: 2px;
}

#wmg-game-root .nb-results {
  border: 1px solid rgba(255, 255, 255, .12);
  padding: 20px;
  margin-top: 4px;
}
#wmg-game-root .nb-score { text-align: center; margin-bottom: 16px; }
#wmg-game-root .nb-score-num {
  font-family: var(--mono, 'Martian Mono', monospace);
  font-size: 30px;
  color: var(--led, #ff3b30);
}
#wmg-game-root .nb-score-label {
  font-family: var(--mono, 'Martian Mono', monospace);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .55);
  margin-top: 6px;
}
#wmg-game-root .nb-stat {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 0;
  border-top: 1px solid rgba(255, 255, 255, .12);
  font-family: var(--mono, 'Martian Mono', monospace);
  font-size: 11px;
  letter-spacing: .08em;
}
#wmg-game-root .nb-stat-k {
  text-transform: uppercase;
  color: rgba(255, 255, 255, .55);
  flex-shrink: 0;
}
#wmg-game-root .nb-stat-v { text-align: right; }
#wmg-game-root .nb-advice {
  margin-top: 14px;
  font-size: 13px;
  color: rgba(255, 255, 255, .8);
}

#wmg-game-root .nb-history { margin-top: 16px; }
#wmg-game-root .nb-hist-title {
  font-family: var(--mono, 'Martian Mono', monospace);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .55);
  margin-bottom: 6px;
}
#wmg-game-root .nb-hist-table {
  border: 1px solid rgba(255, 255, 255, .12);
  font-family: var(--mono, 'Martian Mono', monospace);
  font-size: 11px;
}
#wmg-game-root .nb-hist-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 8px;
  padding: 6px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
#wmg-game-root .nb-hist-row:last-child { border-bottom: 0; }
#wmg-game-root .nb-hist-row span:not(:first-child) { text-align: right; }
#wmg-game-root .nb-hist-head {
  color: rgba(255, 255, 255, .55);
  letter-spacing: .12em;
}

#wmg-game-root .nb-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding-top: 12px;
}
#wmg-game-root .nb-variant {
  font-family: var(--mono, 'Martian Mono', monospace);
  font-size: 9px;
  letter-spacing: .12em;
  color: rgba(255, 255, 255, .45);
}
#wmg-game-root .nb-restart {
  font-family: var(--mono, 'Martian Mono', monospace);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 0;
  padding: 8px 16px;
  cursor: pointer;
  flex-shrink: 0;
}
#wmg-game-root .nb-restart:hover { border-color: var(--led, #ff3b30); }
#wmg-game-root .nb-restart:focus-visible {
  outline: 2px solid var(--led, #ff3b30);
  outline-offset: 2px;
}

@media (max-width: 420px) {
  #wmg-game-root .nb-letter { font-size: 30px; }
}