body {
  background: radial-gradient(circle at center, #0f172a, #020617);
  color: #f8fafc;
  font-family: Poppins, sans-serif;
  text-align: center;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

h1 {
  margin-bottom: 20px;
  color: #38bdf8;
}

.game-container {
  display: grid;
  grid-template-columns: repeat(2, 150px);
  grid-gap: 15px;
  justify-content: center;
  margin-bottom: 20px;
}

.circle {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.3);
  transition: all 0.2s ease-in-out;
}

#pad1 { background: #22d3ee; }
#pad2 { background: #fb7185; }
#pad3 { background: #facc15; }
#pad4 { background: #4ade80; }

.circle.active {
  filter: brightness(1.8);
  transform: scale(1.05);
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

button {
  background-color: #1e293b;
  color: #f1f5f9;
  border: none;
  border-radius: 6px;
  padding: 10px 20px;
  cursor: pointer;
  font-size: 15px;
  transition: all 0.2s ease;
}

button:hover {
  background-color: #334155;
}

#count {
  margin-top: 10px;
  font-size: 20px;
  color: #a3e635;
}

@media (max-width: 600px) {
  .game-container {
    grid-template-columns: repeat(2, 120px);
    grid-gap: 10px;
  }
  .circle {
    width: 120px;
    height: 120px;
  }
}