body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #ffffff;
  color: #333;
  text-align: center;
  margin: 0;
  padding: 20px;
}

.container {
  max-width: 800px;
  margin: auto;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

#controls {
  margin-bottom: 20px;
}

#controls input,
#controls button {
  font-size: 1rem;
  padding: 8px 12px;
  margin: 0 5px 10px;
  border-radius: 4px;
  border: 1px solid #bbb;
}

#controls button {
  background: #4CAF50;
  color: white;
  cursor: pointer;
}

#controls button:disabled {
  background: #ddd;
  cursor: not-allowed;
}

.in-game {
  display: none;
}

#pegs-container {
  display: flex;
  justify-content: space-around;
  align-items: flex-end;
  height: 300px;
  margin-bottom: 20px;
}

.peg {
  width: 120px;
  height: 100%;
  background: #e0f7fa;
  border: 2px solid #0288d1;
  border-radius: 4px;
  position: relative;
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  padding-top: 10px;
}

.ring {
  height: 20px;
  margin: 2px 0;
  border: 1px solid #333;
  color: white;
  font-weight: bold;
  text-align: center;
  line-height: 20px;
  background: linear-gradient(135deg, #66bb6a, #43a047);
}

#num-disks {
  width: 200px;
}