.play-now-card--game {
  grid-column: 1 / -1;
  display: grid;
  gap: 12px;
  background:
    radial-gradient(circle at 96% 0%, rgba(56, 116, 90, 0.13), transparent 17rem),
    #f1f7f3 !important;
}

.play-now-card__icon--game {
  color: #2f7657;
}

.play-now-card__icon--game .higemegane-moustache-mark {
  width: 23px;
}

.play-now-card__icon--game .higemegane-moustache-mark,
.hige-difference-intro-mark .higemegane-moustache-mark {
  --higemegane-moustache-mask: url("/app/assets/images/higemegane-moustache-game.svg?v=0.21.3");
}


.hige-difference-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr)) auto;
  align-items: stretch;
  gap: 10px;
}

.hige-difference-stat,
.hige-difference-note {
  min-width: 0;
  border: 1px solid rgba(48, 78, 63, 0.14);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
  padding: 11px 12px;
}

.hige-difference-stat {
  display: grid;
  align-content: center;
  gap: 3px;
}

.hige-difference-stat span,
.hige-difference-stat strong,
.hige-difference-note {
  margin: 0;
}

.hige-difference-stat span {
  color: var(--color-muted);
  font-size: 0.64rem;
  font-weight: 800;
}

.hige-difference-stat strong {
  font-size: 0.9rem;
  line-height: 1.35;
}

.hige-difference-note {
  display: flex;
  align-items: center;
  color: var(--color-muted);
  font-size: 0.68rem;
  line-height: 1.5;
}

.hige-difference-actions {
  display: flex;
  justify-content: flex-end;
}

.hige-difference-dialog {
  width: min(720px, calc(100% - 24px));
  max-height: min(90dvh, 820px);
  margin: auto;
  overflow: hidden;
  border: 1px solid rgba(56, 45, 38, 0.2);
  border-radius: 22px;
  background: #fbf7f1;
  color: var(--color-text);
  padding: 0;
  box-shadow: 0 26px 80px rgba(35, 27, 22, 0.28);
}

.hige-difference-dialog:not([open]):not(.is-open) {
  display: none;
}

.hige-difference-dialog::backdrop {
  background: rgba(31, 25, 21, 0.58);
  backdrop-filter: blur(5px);
}

.hige-difference-dialog.is-open {
  position: fixed;
  inset: 50% auto auto 50%;
  z-index: 1000;
  display: block;
  transform: translate(-50%, -50%);
}

.hige-difference-dialog__inner {
  display: grid;
  max-height: inherit;
  grid-template-rows: auto minmax(0, 1fr);
}

.hige-difference-dialog__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.72);
  padding: 15px 17px;
}

.hige-difference-dialog__header p,
.hige-difference-dialog__header h3 {
  margin: 0;
}

.hige-difference-dialog__eyebrow {
  color: #2f7657;
  font-size: 0.65rem;
  font-weight: 900;
  letter-spacing: 0.11em;
}

.hige-difference-dialog__header h3 {
  margin-top: 2px;
  font-size: 1.05rem;
}

.hige-difference-dialog__close {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: #fff;
  color: var(--color-text);
  font-size: 1.2rem;
  line-height: 1;
}

.hige-difference-dialog__body {
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 16px 18px calc(18px + var(--safe-area-bottom));
}

.hige-difference-panel {
  display: grid;
  gap: 15px;
}

.hige-difference-panel[hidden] {
  display: none;
}

.hige-difference-intro-mark {
  width: min(260px, 72%);
  margin-inline: auto;
  color: #163f50;
}

.hige-difference-intro-copy {
  display: grid;
  gap: 7px;
  text-align: center;
}

.hige-difference-intro-copy p {
  margin: 0;
}

.hige-difference-intro-copy p:last-child {
  color: var(--color-muted);
  font-size: 0.76rem;
  line-height: 1.55;
}

.hige-difference-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.hige-difference-metric {
  display: grid;
  gap: 2px;
  border: 1px solid var(--color-border);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.72);
  padding: 9px 10px;
  text-align: center;
}

.hige-difference-metric span {
  color: var(--color-muted);
  font-size: 0.62rem;
  font-weight: 800;
}

.hige-difference-metric strong {
  font-size: 1rem;
}

.hige-difference-play-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.hige-difference-play-head p {
  margin: 0;
  font-weight: 800;
}

.hige-difference-difficulty {
  border-radius: 999px;
  background: #e2f0e7;
  color: #2f7657;
  padding: 4px 9px;
  font-size: 0.64rem;
  font-weight: 900;
}

.hige-difference-board {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}

.hige-difference__choice {
  display: grid;
  place-items: center;
  aspect-ratio: 1 / 1;
  min-width: 0;
  border: 1px solid rgba(55, 67, 62, 0.18);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.86);
  color: #163f50;
  padding: 13%;
  transition: border-color 0.12s ease, background 0.12s ease, transform 0.12s ease, opacity 0.12s ease;
}

.hige-difference__choice:hover:not(:disabled) {
  transform: translateY(-1px);
}

.hige-difference__choice:focus-visible {
  outline: 3px solid #2f7657;
  outline-offset: 2px;
}

.hige-difference__choice.is-correct {
  border-color: #2f7657;
  background: #e2f0e7;
}

.hige-difference__choice.is-wrong {
  opacity: 0.42;
}

.hige-difference__choice:disabled {
  cursor: default;
}

.hige-difference__mark {
  transform-origin: 50% 50%;
}

.hige-difference__mark--tilt {
  transform: rotate(5deg);
}

.hige-difference__mark--narrow {
  transform: scaleX(0.86);
}

.hige-difference__mark--low {
  transform: translateY(9%);
}

.hige-difference-feedback,
.hige-difference-result-status {
  margin: 0;
  border-radius: 12px;
  padding: 9px 11px;
  font-size: 0.72rem;
  line-height: 1.5;
}

.hige-difference-feedback {
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.72);
}

.hige-difference-result {
  text-align: center;
}

.hige-difference-result h4,
.hige-difference-result p {
  margin: 0;
}

.hige-difference-result h4 {
  font-size: 1.12rem;
}

.hige-difference-result-message {
  color: var(--color-muted);
  font-size: 0.8rem;
  line-height: 1.6;
}

.hige-difference-result-status {
  background: #e2f0e7;
  color: #285f47;
  font-weight: 800;
}

.hige-difference-result-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}

@media (max-width: 640px) {
  .hige-difference-summary {
    grid-template-columns: 1fr 1fr;
  }

  .hige-difference-note {
    grid-column: 1 / -1;
  }

  .hige-difference-board {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 7px;
  }
}

@media (max-width: 460px) {
  .play-now-card--game {
    padding: 12px !important;
  }

  .hige-difference-actions .button {
    width: 100%;
  }

  .hige-difference-dialog {
    width: calc(100% - 14px);
    max-height: calc(100dvh - 18px);
    border-radius: 18px;
  }

  .hige-difference-dialog__header,
  .hige-difference-dialog__body {
    padding-inline: 13px;
  }

  .hige-difference__choice {
    border-radius: 11px;
    padding: 11%;
  }

  .hige-difference-result-actions {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hige-difference__choice {
    transition: none;
  }
}

/* ========================================================================== 
 * v0.25.47 mini game clarity
 * ========================================================================== */
.play-now-card--game > .play-now-card__header {
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(48, 78, 63, 0.12);
}

.hige-difference-summary {
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.hige-difference-summary__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.hige-difference-note {
  min-height: 0;
}

.hige-difference-actions {
  justify-content: stretch;
  padding-top: 12px;
  border-top: 1px solid rgba(48, 78, 63, 0.12);
}

.hige-difference-actions .button {
  width: 100%;
}

@media (max-width: 620px) {
  .play-now-card--game > .play-now-card__header {
    padding-bottom: 10px;
  }
}

@media (max-width: 420px) {
  .hige-difference-summary__stats {
    grid-template-columns: 1fr;
  }
}

/* ========================================================================== 
 * v0.25.47 daily hige-difference variation
 * Three calibrated difference pools keep the daily game fresh without
 * changing the round count, board sizes, time limit, or scoring contract.
 * ========================================================================== */
.hige-difference__mark--tilt-left {
  transform: rotate(-5deg);
}

.hige-difference__mark--tilt-right {
  transform: rotate(5deg);
}

.hige-difference__mark--high {
  transform: translateY(-10%);
}

.hige-difference__mark--wide {
  transform: scaleX(1.14);
}

.hige-difference__mark--small {
  transform: scale(0.88);
}

.hige-difference__mark--large {
  transform: scale(1.12);
}

.hige-difference__mark--tilt-soft {
  transform: rotate(3.2deg);
}

.hige-difference__mark--narrow-soft {
  transform: scaleX(0.92);
}

.hige-difference__mark--low-soft {
  transform: translateY(6%);
}

.hige-difference__mark--high-soft {
  transform: translateY(-6%);
}

.hige-difference__mark--small-soft {
  transform: scale(0.94);
}