* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
}

body {
  background-color: #111;
  color: #fff;
  font-family: 'Courier New', Courier, monospace;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

#game-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: #000;
  padding: 16px;
  border: 4px solid #333;
  border-radius: 8px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.8);
}

#ui-bar {
  width: 448px;
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 16px;
  font-weight: bold;
  letter-spacing: 1px;
}

.ui-item span {
  color: #ffff00;
  margin-left: 4px;
}

#gameCanvas {
  background-color: #000;
  display: block;
  border: 2px solid #1a1a1a;
}