.kbg-game-wrap {
  --kbg-bg: #ffffff;
  --kbg-card: #f5f8ff;
  --kbg-text: #17324d;
  --kbg-muted: #5f7487;
  --kbg-primary: #3a86ff;
  --kbg-primary-dark: #2668cc;
  --kbg-success: #20a464;
  --kbg-warning: #ff9f1c;
  --kbg-danger: #e05555;
  --kbg-border: #d7e1ef;
  --kbg-shadow: 0 10px 26px rgba(26, 51, 84, 0.08);
  background: linear-gradient(180deg, #fdfefe 0%, #f7fbff 100%);
  border: 1px solid var(--kbg-border);
  border-radius: 18px;
  box-shadow: var(--kbg-shadow);
  padding: 18px;
  margin: 20px 0;
  color: var(--kbg-text);
  overflow: hidden;
}

.kbg-game-header {
  margin-bottom: 10px;
}

.kbg-game-title {
  margin: 0;
  font-size: 1.35rem;
  line-height: 1.25;
}

.kbg-game {
  min-height: 220px;
  width: 100%;
}

.kbg-game * {
  box-sizing: border-box;
}

.kbg-row,
.kbg-controls,
.kbg-inline-row,
.kbg-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.kbg-controls,
.kbg-stats {
  margin: 12px 0;
}

.kbg-card,
.kbg-panel {
  background: var(--kbg-card);
  border: 1px solid var(--kbg-border);
  border-radius: 14px;
  padding: 14px;
}

.kbg-text-small,
.kbg-help,
.kbg-status {
  color: var(--kbg-muted);
}

.kbg-status {
  font-weight: 600;
  min-height: 24px;
}

.kbg-score {
  font-weight: 700;
}

.kbg-btn {
  appearance: none;
  border: 0;
  border-radius: 12px;
  padding: 10px 16px;
  background: var(--kbg-primary);
  color: #fff;
  cursor: pointer;
  font-weight: 700;
  box-shadow: 0 6px 18px rgba(58, 134, 255, 0.18);
  transition: transform 0.12s ease, background 0.12s ease, box-shadow 0.12s ease;
}

.kbg-btn:hover,
.kbg-btn:focus {
  background: var(--kbg-primary-dark);
  transform: translateY(-1px);
  outline: none;
}

.kbg-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.kbg-btn-secondary {
  background: var(--kbg-warning);
  box-shadow: 0 6px 18px rgba(255, 159, 28, 0.2);
}

.kbg-btn-danger {
  background: var(--kbg-danger);
  box-shadow: 0 6px 18px rgba(224, 85, 85, 0.2);
}

.kbg-grid {
  display: grid;
  gap: 10px;
}

.kbg-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.kbg-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.kbg-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.kbg-grid-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }

.kbg-game-wrap .kbg-grid,
.kbg-game-wrap .kbg-color-grid,
.kbg-game-wrap .kbg-pattern-board,
.kbg-game-wrap .kbg-answer-row,
.kbg-game-wrap .kbg-controls,
.kbg-game-wrap .kbg-stats,
.kbg-game-wrap .kbg-row,
.kbg-game-wrap .kbg-inline-row {
  width: 100%;
}

.kbg-memory-card,
.kbg-ttt-cell,
.kbg-color-choice,
.kbg-pattern-pad,
.kbg-key-btn,
.kbg-option-btn,
.kbg-word-btn {
  user-select: none;
}

.kbg-memory-card {
  height: 72px;
  border-radius: 16px;
  border: 2px solid var(--kbg-border);
  background: #e9f1ff;
  font-size: 2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.kbg-memory-card:hover,
.kbg-memory-card:focus,
.kbg-ttt-cell:hover,
.kbg-ttt-cell:focus,
.kbg-color-choice:hover,
.kbg-color-choice:focus,
.kbg-option-btn:hover,
.kbg-option-btn:focus,
.kbg-word-btn:hover,
.kbg-word-btn:focus {
  transform: translateY(-2px);
  outline: none;
}

.kbg-memory-card.is-flipped,
.kbg-memory-card.is-matched {
  background: #fffbe9;
  border-color: #f6cd4a;
}

.kbg-memory-card.is-matched {
  cursor: default;
  background: #e7f9ef;
  border-color: #7ad5a5;
}

.kbg-ttt-cell {
  min-height: 78px;
  border: 2px solid var(--kbg-border);
  background: #fff;
  border-radius: 16px;
  font-size: 2.2rem;
  font-weight: 700;
  cursor: pointer;
}

.kbg-mole-grid .kbg-hole {
  aspect-ratio: 1;
  background: #e7f1ff;
  border: 2px solid var(--kbg-border);
  border-radius: 16px;
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.kbg-mole-grid .kbg-hole.is-active {
  background: #fff4cf;
  border-color: #ffca59;
  transform: scale(1.02);
}

.kbg-question {
  font-size: 1.6rem;
  font-weight: 800;
  margin: 8px 0;
}

.kbg-option-btn,
.kbg-word-btn,
.kbg-key-btn {
  min-width: 84px;
  min-height: 50px;
  border: 2px solid var(--kbg-border);
  background: #fff;
  color: var(--kbg-text);
  border-radius: 14px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}

.kbg-option-btn.is-correct,
.kbg-color-choice.is-correct,
.kbg-word-btn.is-correct {
  background: #e7f9ef;
  border-color: #56bf84;
}

.kbg-option-btn.is-wrong,
.kbg-color-choice.is-wrong,
.kbg-word-btn.is-wrong {
  background: #ffecec;
  border-color: #ed8c8c;
}

.kbg-color-target {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 140px;
  min-height: 58px;
  border-radius: 16px;
  border: 2px dashed var(--kbg-border);
  background: #fff;
  font-size: 1.15rem;
  font-weight: 800;
  padding: 6px 14px;
}

.kbg-color-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.kbg-color-choice {
  min-height: 74px;
  border: 3px solid transparent;
  border-radius: 16px;
  cursor: pointer;
}

.kbg-maze-board {
  --kbg-maze-cell-size: 32px;
  display: grid;
  grid-template-columns: repeat(8, minmax(0, var(--kbg-maze-cell-size)));
  gap: 4px;
  justify-content: start;
  max-width: 100%;
  overflow-x: auto;
  padding-bottom: 2px;
}

.kbg-maze-cell {
  width: var(--kbg-maze-cell-size);
  height: var(--kbg-maze-cell-size);
  border-radius: 8px;
  background: #eef5ff;
}

.kbg-maze-wall { background: #7a8897; }
.kbg-maze-player { background: #3a86ff; }
.kbg-maze-goal { background: #20a464; }

.kbg-arrow-grid {
  display: grid;
  grid-template-columns: repeat(3, 64px);
  gap: 8px;
  justify-content: center;
  margin-top: 12px;
}

.kbg-arrow-grid .kbg-btn {
  padding: 12px;
}

.kbg-canvas-wrap {
  width: 100%;
  max-width: 520px;
}

.kbg-canvas {
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 13 / 8;
  display: block;
  border-radius: 18px;
  border: 2px solid var(--kbg-border);
  background: linear-gradient(180deg, #f8fbff 0%, #eef6ff 100%);
  touch-action: manipulation;
}

.kbg-pattern-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 120px));
  gap: 14px;
  justify-content: start;
}

.kbg-pattern-pad {
  min-height: 120px;
  border: 0;
  border-radius: 20px;
  cursor: pointer;
  opacity: 0.85;
  transition: transform 0.12s ease, opacity 0.12s ease, filter 0.12s ease;
}

.kbg-pattern-pad.is-lit {
  opacity: 1;
  transform: scale(1.04);
  filter: brightness(1.12);
}

.kbg-pattern-pad[data-pad="0"] { background: #ff6b6b; }
.kbg-pattern-pad[data-pad="1"] { background: #ffd166; }
.kbg-pattern-pad[data-pad="2"] { background: #06d6a0; }
.kbg-pattern-pad[data-pad="3"] { background: #4cc9f0; }

.kbg-scramble-word {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  margin: 8px 0 4px;
}

.kbg-answer-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.kbg-answer-box {
  min-height: 56px;
  width: 100%;
  border: 2px dashed var(--kbg-border);
  border-radius: 14px;
  background: #fff;
  padding: 10px 12px;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  overflow-wrap: anywhere;
}

.kbg-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 6px 12px;
  font-weight: 700;
  background: #ebf3ff;
  color: var(--kbg-text);
}

@media (max-width: 800px) {
  .kbg-game-wrap {
    padding: 16px;
  }

  .kbg-canvas-wrap {
    max-width: 100%;
  }

  .kbg-maze-board {
    --kbg-maze-cell-size: 30px;
  }
}

@media (max-width: 640px) {
  .kbg-game-wrap {
    padding: 14px;
    border-radius: 16px;
  }

  .kbg-game-title {
    font-size: 1.15rem;
  }

  .kbg-grid-4,
  .kbg-grid-5,
  .kbg-color-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .kbg-grid-3,
  .kbg-pattern-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .kbg-memory-card,
  .kbg-ttt-cell,
  .kbg-mole-grid .kbg-hole,
  .kbg-color-choice,
  .kbg-pattern-pad {
    min-height: 64px;
  }

  .kbg-question,
  .kbg-scramble-word {
    font-size: 1.5rem;
  }

  .kbg-arrow-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: min(100%, 260px);
  }

  .kbg-arrow-grid .kbg-btn,
  .kbg-btn,
  .kbg-option-btn,
  .kbg-word-btn,
  .kbg-key-btn {
    min-height: 48px;
  }

  .kbg-maze-board {
    --kbg-maze-cell-size: 28px;
  }
}

@media (max-width: 480px) {
  .kbg-grid-2,
  .kbg-grid-3,
  .kbg-grid-4,
  .kbg-grid-5,
  .kbg-color-grid,
  .kbg-pattern-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .kbg-controls,
  .kbg-stats {
    gap: 8px;
  }

  .kbg-pill,
  .kbg-btn,
  .kbg-option-btn,
  .kbg-word-btn,
  .kbg-key-btn {
    width: 100%;
  }

  .kbg-mole-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .kbg-memory-card,
  .kbg-ttt-cell {
    font-size: 1.7rem;
  }

  .kbg-maze-board {
    --kbg-maze-cell-size: 24px;
    gap: 3px;
  }
}