:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --secondary: #f59e0b;
  --secondary-dark: #d97706;
  --bg: #f3f4f6;
  --text: #1f2937;
  --board-bg: #2563eb;
  --player1: #ef4444;
  --player2: #f59e0b;
  --hover: rgba(255, 255, 255, 0.2);
  --success: #10b981;
  --error: #ef4444;
  --warning: #f59e0b;
  --info: #3b82f6;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  background-color: var(--bg);
  color: var(--text);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.game-container, .stats {
  background: white;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.board {
  background-color: var(--board-bg);
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  grid-template-rows: repeat(6, 1fr);
  gap: 8px;
  padding: 10px;
  border-radius: 8px;
  margin-bottom: 1.5rem;
}

.cell {
  background-color: white;
  border-radius: 50%;
  aspect-ratio: 1;
  position: relative;
  cursor: pointer;
  transition: transform 0.2s;
}

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

.cell::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background-color: var(--hover);
  opacity: 0;
  transition: opacity 0.2s;
}

.cell:hover::before {
  opacity: 1;
}

.cell.player1 {
  background-color: var(--player1);
}

.cell.player2 {
  background-color: var(--player2);
}

.controls {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

button {
  background-color: var(--primary);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.2s;
  font-size: 0.875rem;
}

button:hover {
  background-color: var(--primary-dark);
  transform: translateY(-1px);
}

button.secondary {
  background-color: var(--secondary);
}

button.secondary:hover {
  background-color: var(--secondary-dark);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.params {
  margin-bottom: 1.5rem;
}

.param-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.param-group {
  margin-bottom: 0.75rem;
}

label {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
}

input[type="number"],
input[type="range"] {
  width: 100%;
  padding: 0.5rem;
  border-radius: 4px;
  border: 1px solid #d1d5db;
  font-size: 0.875rem;
}

.chart-container {
  height: 250px;
  margin-bottom: 1.5rem;
}

.logs {
  max-height: 200px;
  overflow-y: auto;
  border: 1px solid #e5e7eb;
  padding: 0.75rem;
  border-radius: 6px;
  background-color: #f9fafb;
  font-size: 0.875rem;
}

.log-entry {
  padding: 0.25rem 0;
  border-bottom: 1px solid #e5e7eb;
}

.log-entry:last-child {
  border-bottom: none;
}

h1, h2, h3 {
  color: var(--primary);
  margin-top: 0;
}

h1 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

h2 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

#stats-display {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

#stats-display p {
  margin: 0;
  font-size: 0.875rem;
}

@media (max-width: 768px) {
  .container {
    grid-template-columns: 1fr;
  }
  
  .param-grid {
    grid-template-columns: 1fr;
  }
  
  #stats-display {
    grid-template-columns: 1fr;
  }
}