body {
  background: black;
  color: yellow;
  font-family: 'Courier New', monospace;
  text-align: center;
  margin: 0;
  padding: 20px;
}

h1 {
  font-size: 2em;
}
button {
  border: 3px solid yellow;
  background-color: transparent;
  font-size: 25px;
  color: blue;
  padding: 5px 10px;
  margin: 20px 0;
}

.stats {
  margin-bottom: 10px;
}

.game-container {
  display: grid;
  grid-template-columns: repeat(20, 20px);
  gap: 1px;
  justify-content: center;
  margin: auto;
}

.cell {
  width: 20px;
  height: 20px;
  background: black;
  position: relative;
}

.wall {
  background: #2222ff;
}

.dot {
  width: 6px;
  height: 6px;
  background: white;
  border-radius: 50%;
  position: absolute;
  top: 7px;
  left: 7px;
}

.pacman {
  background: yellow;
  border-radius: 50%;
  animation: chomp 0.3s infinite alternate;
}

.ghost {
  background: red;
  border-radius: 50%;
}

#message {
  color: lime;
  font-size: 1.5em;
  margin-top: 10px;
}

@keyframes chomp {
  0% { clip-path: polygon(0 0, 100% 50%, 0 100%); }
  100% { clip-path: circle(50%); }
}