.game-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  margin-bottom: 20px;
  padding: 8px 14px;
  background: var(--xin-surface);
  border: 1px solid var(--xin-tint-line);
  border-radius: 8px;
  color: var(--xin-blue-dk);
  font-size: 14px;
  font-weight: 550;
  text-decoration: none;
}

.game-back:hover {
  background: var(--xin-tint);
  border-color: var(--xin-blue);
}

.game-back:focus-visible {
  outline: 2px solid var(--xin-blue);
  outline-offset: 3px;
}

.game-canvas {
  width: 240px;
  max-width: 100%;
  margin: 0 auto;
}

.game-controls {
  display: grid;
  grid-template-columns: repeat(2, max-content);
  align-items: center;
  justify-content: center;
  gap: 12px 24px;
  text-align: left;
  margin-top: 20px;
  font-size: 14px;
  color: var(--xin-ink);
}

.game-controls span {
  white-space: nowrap;
}

.game-controls kbd {
  display: inline-block;
  min-width: 26px;
  padding: 3px 6px;
  font-size: 14px;
  font-weight: 550;
  line-height: 1.4;
  border-color: var(--xin-tint-line);
}

.game-overlay.is-game-over {
  background: rgba(22, 32, 46, 0.94);
  color: #fff;
}

.is-game-over .game-overlay-title {
  font-size: clamp(24px, 5vw, 32px);
}

.is-game-over .game-overlay-text,
.game-over-hint {
  color: var(--xin-line);
}

.game-over-scores {
  display: flex;
  gap: 12px;
  margin: 8px 0;
  color: var(--xin-ink);
}

.game-over-scores[hidden] {
  display: none;
}

.game-over-scores .game-score-value {
  font-size: 28px;
}

.game-over-hint {
  margin: 0 0 10px;
  font-size: 13px;
}

.game-over-hint kbd {
  color: var(--xin-ink);
}

@media (max-width: 480px) {
  .game-controls {
    grid-template-columns: max-content;
  }
}