body {
  background: radial-gradient(circle at center, #0a0a0f, #1a1a40);
  color: #fff;
  font-family: 'Poppins', sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.container {
  text-align: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 15px;
  padding: 20px 30px;
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

h1 {
  color: #00e6ff;
  text-shadow: 0 0 20px #00e6ff;
}

.grid {
  display: grid;
  grid-template-columns: repeat(5, 70px);
  grid-gap: 8px;
  justify-content: center;
  margin: 20px auto;
}

.cell {
  width: 70px;
  height: 70px;
  background: #0d2740;
  border-radius: 10px;
  position: relative;
  cursor: pointer;
  transition: transform 0.3s;
}

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

.pipe {
  width: 100%;
  height: 100%;
  background-size: cover;
  transform-origin: center;
  transition: transform 0.3s ease;
  border-radius: 10px;
}

.controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 10px;
}

button {
  background: #00e6ff;
  border: none;
  color: #000;
  font-weight: 600;
  border-radius: 8px;
  padding: 8px 16px;
  cursor: pointer;
  transition: all 0.3s;
}

button:hover {
  background: #66f2ff;
}

#status {
  font-weight: 500;
  margin-bottom: 10px;
  color: #7dd3fc;
}