.game-board {
  text-align: center;
  padding: 20px;
  background: #1a1a1a;
  border-radius: 10px;
  max-width: 400px;
  margin: 0 auto;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

.target-number {
  font-size: 32px;
  margin-bottom: 20px;
  color: #ffffff;
  background: #4CAF50;
  padding: 10px 20px;
  border-radius: 8px;
  display: inline-block;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 20px 0;
}

.tile {
  aspect-ratio: 1;
  width: 78px;
  height: 78px;
  background: #4CAF50;
  border: none;
  border-radius: 8px;
  font-size: 2em;
  color: white;
  cursor: pointer;
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.tile:hover {
  transform: scale(1.05);
}

.tile.revealed {
  animation: reveal 0.5s ease;
}

@keyframes reveal {
  0% { transform: rotateY(0deg); }
  100% { transform: rotateY(180deg); }
}

.result {
  font-size: 1.5em;
  margin: 20px 0;
  padding: 10px;
  border-radius: 5px;
  color: white;
  min-height: 40px;
}

.result.win {
  background-color: #4CAF50;
}

.result.lose {
  background-color: #f44336;
}

#scoreHistory {
  list-style-type: none;
  padding: 0;
}

#scoreHistory li {
  padding: 8px;
  margin: 5px 0;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
}

.score-container {
  margin-left: 20px;
  padding: 20px;
  background: rgba(33, 33, 33, 0.95);
  color: white;
  border-radius: 15px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
  min-width: 300px;
}

.rules-section {
  max-width: 800px;
  margin: 40px auto;
  padding: 25px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  text-align: center;
}

.rules-section h3 {
  color: #333;
  font-size: 1.5em;
  margin-bottom: 20px;
  border-bottom: 2px solid #4CAF50;
  padding-bottom: 10px;
}

.rules-section ul {
  list-style: none;
  padding: 0;
  display: inline-block;
  text-align: left;
}

.rules-section li {
  padding: 12px 0;
  margin: 8px 0;
  padding-left: 30px;
  position: relative;
}

.rules-section li:before {
  content: '🎮';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}

.rule-group {
  background: rgba(255, 255, 255, 0.1);
  padding: 15px;
  border-radius: 8px;
}

.rule-group h4 {
  color: #4CAF50;
  margin-bottom: 15px;
}

.rule-icon {
  margin-right: 10px;
}

/* Added basic structure for tries counter.  Needs game logic integration. */
.tries-container {
  margin-bottom: 10px;
}

.tries {
  color: white; /* Added color for better visibility */
}