.tools-parent-container .game-container {
  max-width: 900px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 25px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  padding: 20px;
  animation: slideIn 0.8s ease-out;
}
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.tools-parent-container {
  /* Header Styles */
}
.tools-parent-container .game-header {
  text-align: center;
  margin-bottom: 20px;
}
.tools-parent-container .game-title {
  font-size: clamp(1.8rem, 5vw, 3rem);
  margin-bottom: 10px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}
.tools-parent-container .rainbow-text {
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4, #45b7d1, #96ceb4, #feca57, #ff9ff3);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: rainbow 3s ease-in-out infinite;
}
@keyframes rainbow {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}
.tools-parent-container .cute-animals {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 10px;
}
.tools-parent-container .animal {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  animation: bounce 2s infinite;
  cursor: pointer;
  transition: transform 0.3s ease;
}
.tools-parent-container .animal:hover {
  transform: scale(1.2);
}
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}
.tools-parent-container {
  /* Mode Selection */
}
.tools-parent-container .mode-selection {
  text-align: center;
  margin-bottom: 20px;
}
.tools-parent-container .mode-title {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  color: #333;
  margin-bottom: 15px;
}
.tools-parent-container .mode-buttons {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}
.tools-parent-container .mode-btn {
  background: linear-gradient(135deg, #ffd076 0%, #976508 100%);
  border: none;
  border-radius: 20px;
  padding: 15px 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  color: white;
  font-family: inherit;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  min-width: 120px;
}
.tools-parent-container .mode-btn.active {
  background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
  color: #333;
  transform: scale(1.05);
}
.tools-parent-container .mode-btn:hover {
  transform: translateY(-3px) scale(1.05);
}
.tools-parent-container .mode-emoji {
  display: block;
  font-size: clamp(1.5rem, 4vw, 2rem);
  margin-bottom: 5px;
}
.tools-parent-container .mode-text {
  font-size: clamp(0.9rem, 2.5vw, 1.1rem);
  font-weight: bold;
}
.tools-parent-container {
  /* Game Controls */
}
.tools-parent-container .game-controls {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.tools-parent-container .control-btn {
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
  border: none;
  border-radius: 20px;
  padding: 12px 20px;
  font-size: clamp(0.9rem, 2.5vw, 1.1rem);
  font-weight: bold;
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  font-family: inherit;
}
.tools-parent-container .control-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}
.tools-parent-container .control-btn:active {
  transform: translateY(0);
}
.tools-parent-container {
  /* Level Selection */
}
.tools-parent-container .level-selection {
  text-align: center;
  margin-bottom: 25px;
}
.tools-parent-container .level-title {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  color: #333;
  margin-bottom: 15px;
}
.tools-parent-container .level-buttons {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}
.tools-parent-container .level-btn {
  background: linear-gradient(135deg, #ffd076 0%, #976508 100%);
  border: none;
  border-radius: 20px;
  padding: 12px 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  color: white;
  font-family: inherit;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  min-width: 85px;
}
.tools-parent-container .level-btn.active {
  background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
  color: #333;
  transform: scale(1.05);
}
.tools-parent-container .level-btn:hover {
  transform: translateY(-3px) scale(1.05);
}
.tools-parent-container .level-emoji {
  display: block;
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  margin-bottom: 5px;
}
.tools-parent-container .level-text {
  font-size: clamp(0.7rem, 1.8vw, 0.9rem);
  font-weight: bold;
}
.tools-parent-container {
  /* Game Board */
}
.tools-parent-container .game-board-container {
  display: flex;
  justify-content: center;
  margin-bottom: 25px;
}
.tools-parent-container .sudoku-board {
  display: grid;
  gap: 3px;
  background: #333;
  border-radius: 15px;
  padding: 10px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}
.tools-parent-container .sudoku-board.size-2x2 {
  grid-template-columns: repeat(2, 1fr);
  max-width: 200px;
}
.tools-parent-container .sudoku-board.size-3x3 {
  grid-template-columns: repeat(3, 1fr);
  max-width: 300px;
}
.tools-parent-container .sudoku-board.size-4x4 {
  grid-template-columns: repeat(4, 1fr);
  max-width: 320px;
}
.tools-parent-container .sudoku-board.size-5x5 {
  grid-template-columns: repeat(5, 1fr);
  max-width: 400px;
}
.tools-parent-container .sudoku-board.size-6x6 {
  grid-template-columns: repeat(6, 1fr);
  max-width: 480px;
}
.tools-parent-container .cell {
  aspect-ratio: 1;
  background: white;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(1rem, 3vw, 1.8rem);
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 3px solid transparent;
  min-height: 45px;
}
.tools-parent-container .cell:hover {
  background: #f0f8ff;
  transform: scale(1.05);
}
.tools-parent-container .cell.selected {
  border-color: #ff6b6b;
  background: #ffe6e6;
}
.tools-parent-container .cell.prefilled {
  background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
  cursor: default;
}
.tools-parent-container .cell.correct {
  background: linear-gradient(135deg, #d4fc79 0%, #96e6a1 100%);
  animation: correctPulse 0.6s ease;
}
@keyframes correctPulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}
.tools-parent-container {
  /* Symbol Palette */
}
.tools-parent-container .symbol-palette {
  text-align: center;
  margin-bottom: 20px;
}
.tools-parent-container .palette-title {
  font-size: clamp(1rem, 3vw, 1.4rem);
  color: #333;
  margin-bottom: 15px;
}
.tools-parent-container .symbol-buttons {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}
.tools-parent-container .symbol-btn {
  width: 55px;
  height: 55px;
  border-radius: 50%;
  border: none;
  font-size: clamp(1.1rem, 2.8vw, 1.6rem);
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  font-family: inherit;
}
.tools-parent-container .symbol-btn:nth-child(1) {
  background: linear-gradient(135deg, #ff9a9e, #fecfef);
}
.tools-parent-container .symbol-btn:nth-child(2) {
  background: linear-gradient(135deg, #a8edea, #fed6e3);
}
.tools-parent-container .symbol-btn:nth-child(3) {
  background: linear-gradient(135deg, #ffecd2, #fcb69f);
}
.tools-parent-container .symbol-btn:nth-child(4) {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
}
.tools-parent-container .symbol-btn:nth-child(5) {
  background: linear-gradient(135deg, #ffeaa7, #fab1a0);
}
.tools-parent-container .symbol-btn:nth-child(6) {
  background: linear-gradient(135deg, #74b9ff, #0984e3);
  color: white;
}
.tools-parent-container .symbol-btn:hover {
  transform: scale(1.1) translateY(-3px);
}
.tools-parent-container .symbol-btn:active {
  transform: scale(0.95);
}
.tools-parent-container {
  /* Modal Styles */
}
.tools-parent-container .modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}
.tools-parent-container .modal.hidden {
  display: none;
}
.tools-parent-container .modal-content {
  background: white;
  border-radius: 25px;
  padding: 40px;
  text-align: center;
  max-width: 400px;
  margin: 20px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}
.tools-parent-container .celebration h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: #333;
  margin-bottom: 20px;
}
.tools-parent-container .celebration-animals {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin: 20px 0;
}
.tools-parent-container .bounce {
  font-size: clamp(1.5rem, 4vw, 2rem);
  animation: celebrationBounce 1s infinite;
}
.tools-parent-container .bounce:nth-child(2) {
  animation-delay: 0.2s;
}
.tools-parent-container .bounce:nth-child(3) {
  animation-delay: 0.4s;
}
.tools-parent-container .bounce:nth-child(4) {
  animation-delay: 0.6s;
}
.tools-parent-container .bounce:nth-child(5) {
  animation-delay: 0.8s;
}
@keyframes celebrationBounce {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(10deg);
  }
}
.tools-parent-container .celebration p {
  font-size: clamp(1rem, 3vw, 1.4rem);
  color: #666;
  margin-bottom: 25px;
}
.tools-parent-container .modal-btn {
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
  border: none;
  border-radius: 20px;
  padding: 15px 30px;
  font-size: clamp(1rem, 3vw, 1.3rem);
  font-weight: bold;
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  font-family: inherit;
}
.tools-parent-container .modal-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}
.tools-parent-container {
  /* Footer */
}
.tools-parent-container .game-footer {
  text-align: center;
  margin-top: 20px;
  padding-top: 15px;
  border-top: 2px dashed #ddd;
}
.tools-parent-container .footer-animals {
  display: flex;
  justify-content: center;
  gap: 20px;
}
.tools-parent-container .footer-animal {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  animation: float 3s ease-in-out infinite;
}
.tools-parent-container .footer-animal:nth-child(2) {
  animation-delay: 1s;
}
.tools-parent-container .footer-animal:nth-child(3) {
  animation-delay: 2s;
}
@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}
.tools-parent-container {
  /* Responsive Design (continued) */
}
@media (max-width: 768px) {
  .tools-parent-container .sudoku-board {
    padding: 8px;
  }
  .tools-parent-container .cell {
    min-height: 40px;
    font-size: 1.2rem;
  }
  .tools-parent-container .sudoku-board.size-5x5 {
    max-width: 350px;
  }
  .tools-parent-container .sudoku-board.size-6x6 {
    max-width: 420px;
  }
}
@media (max-width: 480px) {
  .tools-parent-container .cute-animals {
    gap: 10px;
  }
  .tools-parent-container .animal {
    font-size: 1.5rem;
  }
  .tools-parent-container .mode-buttons {
    flex-direction: column;
    align-items: center;
  }
  .tools-parent-container .mode-btn {
    width: 180px;
    margin: 5px 0;
  }
  .tools-parent-container .game-controls {
    flex-direction: column;
    align-items: center;
  }
  .tools-parent-container .control-btn {
    width: 200px;
    margin: 5px 0;
  }
  .tools-parent-container .level-buttons {
    flex-direction: column;
    align-items: center;
  }
  .tools-parent-container .level-btn {
    width: 120px;
    margin: 3px 0;
  }
  .tools-parent-container .symbol-buttons {
    gap: 6px;
  }
  .tools-parent-container .symbol-btn {
    width: 45px;
    height: 45px;
    font-size: 1.1rem;
  }
  .tools-parent-container .sudoku-board.size-4x4 {
    max-width: 280px;
  }
  .tools-parent-container .sudoku-board.size-5x5 {
    max-width: 320px;
  }
  .tools-parent-container .sudoku-board.size-6x6 {
    max-width: 360px;
  }
  .tools-parent-container .cell {
    min-height: 35px;
    font-size: 1rem;
  }
  .tools-parent-container .modal-content {
    padding: 25px;
    margin: 10px;
  }
}
.tools-parent-container {
  /* Extra small screens */
}
@media (max-width: 360px) {
  .tools-parent-container .symbol-buttons {
    justify-content: space-around;
  }
  .tools-parent-container .symbol-btn {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
  .tools-parent-container .sudoku-board.size-5x5 {
    max-width: 300px;
  }
  .tools-parent-container .sudoku-board.size-6x6 {
    max-width: 340px;
  }
  .tools-parent-container .cell {
    min-height: 30px;
    font-size: 0.9rem;
  }
}
.tools-parent-container {
  /* Accessibility */
}
@media (prefers-reduced-motion: reduce) {
  .tools-parent-container * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
.tools-parent-container {
  /* High contrast mode */
}
@media (prefers-contrast: high) {
  .tools-parent-container .cell {
    border: 2px solid #000;
  }
  .tools-parent-container .cell.selected {
    border-color: #ff0000;
    border-width: 3px;
  }
  .tools-parent-container .symbol-btn {
    border: 2px solid #000;
  }
}
.tools-parent-container {
  /* Focus styles for keyboard navigation */
}
.tools-parent-container .cell:focus,
.tools-parent-container .symbol-btn:focus,
.tools-parent-container .control-btn:focus,
.tools-parent-container .level-btn:focus,
.tools-parent-container .mode-btn:focus {
  outline: 3px solid #ff6b6b;
  outline-offset: 2px;
}
.tools-parent-container {
  /* Print styles */
}
@media print {
  .tools-parent-container .game-controls,
  .tools-parent-container .symbol-palette,
  .tools-parent-container .mode-selection,
  .tools-parent-container .game-footer {
    display: none;
  }
  .tools-parent-container .game-container {
    box-shadow: none;
    background: white;
  }
  .tools-parent-container .sudoku-board {
    background: white;
    border: 2px solid #000;
  }
  .tools-parent-container .cell {
    border: 1px solid #000;
    background: white;
  }
  .tools-parent-container .cell.prefilled {
    background: #f0f0f0;
  }
}
.tools-parent-container {
  /* Dark mode support */
}
@media (prefers-color-scheme: dark) {
  .tools-parent-container body {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 50%, #2c3e50 100%);
  }
  .tools-parent-container .game-container {
    background: rgba(44, 62, 80, 0.95);
    color: #ecf0f1;
  }
  .tools-parent-container .level-title,
  .tools-parent-container .mode-title,
  .tools-parent-container .palette-title {
    color: #ecf0f1;
  }
  .tools-parent-container .cell {
    background: #34495e;
    color: #ecf0f1;
  }
  .tools-parent-container .cell:hover {
    background: #3498db;
  }
  .tools-parent-container .cell.selected {
    background: #e74c3c;
    border-color: #c0392b;
  }
  .tools-parent-container .modal-content {
    background: #34495e;
    color: #ecf0f1;
  }
  .tools-parent-container .celebration h2,
  .tools-parent-container .celebration p {
    color: #ecf0f1;
  }
}
.tools-parent-container {
  /* Animation for hint blink */
}
@keyframes hintBlink {
  0%, 100% {
    background: white;
    transform: scale(1);
  }
  50% {
    background: #ffeb3b;
    transform: scale(1.1);
  }
}
.tools-parent-container {
  /* Loading animation */
}
.tools-parent-container .loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.tools-parent-container {
  /* Pulse animation for important elements */
}
.tools-parent-container .pulse {
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}
.tools-parent-container {
  /* Shake animation for wrong answers */
}
.tools-parent-container .shake {
  animation: shake 0.5s ease-in-out;
}
@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-5px);
  }
  75% {
    transform: translateX(5px);
  }
}
.tools-parent-container {
  /* Glow effect for special elements */
}
.tools-parent-container .glow {
  box-shadow: 0 0 20px rgba(255, 107, 107, 0.6);
}
.tools-parent-container {
  /* Smooth transitions for all interactive elements */
}
.tools-parent-container .cell,
.tools-parent-container .symbol-btn,
.tools-parent-container .control-btn,
.tools-parent-container .level-btn,
.tools-parent-container .mode-btn {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.tools-parent-container {
  /* Enhanced hover effects */
}
.tools-parent-container .symbol-btn:hover {
  transform: scale(1.1) translateY(-3px) rotate(5deg);
}
.tools-parent-container .level-btn:hover,
.tools-parent-container .mode-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}
.tools-parent-container {
  /* Success celebration styles */
}
.tools-parent-container .celebration-mode {
  animation: celebrationPulse 1s ease-in-out infinite;
}
@keyframes celebrationPulse {
  0%, 100% {
    transform: scale(1);
    filter: hue-rotate(0deg);
  }
  50% {
    transform: scale(1.02);
    filter: hue-rotate(180deg);
  }
}
.tools-parent-container {
  /* Gradient text for special messages */
}
.tools-parent-container .gradient-text {
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4, #45b7d1, #96ceb4);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 2s ease-in-out infinite;
}
@keyframes gradientShift {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}
.tools-parent-container {
  /* Improved button states */
}
.tools-parent-container .control-btn:disabled,
.tools-parent-container .symbol-btn:disabled,
.tools-parent-container .level-btn:disabled,
.tools-parent-container .mode-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}
.tools-parent-container {
  /* Enhanced focus indicators for better accessibility */
}
.tools-parent-container .cell:focus-visible,
.tools-parent-container .symbol-btn:focus-visible,
.tools-parent-container .control-btn:focus-visible,
.tools-parent-container .level-btn:focus-visible,
.tools-parent-container .mode-btn:focus-visible {
  outline: 3px solid #ff6b6b;
  outline-offset: 3px;
  box-shadow: 0 0 0 6px rgba(255, 107, 107, 0.2);
}
.tools-parent-container {
  /* Smooth scrolling for the entire page */
}
.tools-parent-container html {
  scroll-behavior: smooth;
}
.tools-parent-container {
  /* Custom scrollbar for webkit browsers */
}
.tools-parent-container ::-webkit-scrollbar {
  width: 8px;
}
.tools-parent-container ::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 10px;
}
.tools-parent-container ::-webkit-scrollbar-thumb {
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
  border-radius: 10px;
}
.tools-parent-container ::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(45deg, #ff5252, #26a69a);
}
.tools-parent-container {
  /* Selection styles */
}
.tools-parent-container ::selection {
  background: rgba(255, 107, 107, 0.3);
  color: #333;
}
.tools-parent-container ::-moz-selection {
  background: rgba(255, 107, 107, 0.3);
  color: #333;
}
.tools-parent-container {
  /* Improved typography */
}
.tools-parent-container .game-container {
  line-height: 1.6;
  letter-spacing: 0.5px;
}
.tools-parent-container {
  /* Enhanced visual hierarchy */
}
.tools-parent-container h1, .tools-parent-container h2, .tools-parent-container h3 {
  font-weight: 700;
  margin-bottom: 0.5em;
}
.tools-parent-container {
  /* Better spacing for mobile */
}
@media (max-width: 480px) {
  .tools-parent-container .game-container {
    padding: 10px;
  }
  .tools-parent-container .game-header,
  .tools-parent-container .mode-selection,
  .tools-parent-container .game-controls,
  .tools-parent-container .level-selection,
  .tools-parent-container .game-board-container,
  .tools-parent-container .symbol-palette {
    margin-bottom: 15px;
  }
}
.tools-parent-container {
  /* Performance optimizations */
}
.tools-parent-container .cell,
.tools-parent-container .symbol-btn {
  will-change: transform;
}
.tools-parent-container {
  /* Reduced motion for users who prefer it */
}
@media (prefers-reduced-motion: reduce) {
  .tools-parent-container .animal,
  .tools-parent-container .bounce,
  .tools-parent-container .footer-animal,
  .tools-parent-container .rainbow-text {
    animation: none;
  }
  .tools-parent-container .cell:hover,
  .tools-parent-container .symbol-btn:hover,
  .tools-parent-container .control-btn:hover,
  .tools-parent-container .level-btn:hover,
  .tools-parent-container .mode-btn:hover {
    transform: none;
  }
}