body {
  font-family: system-ui, sans-serif;
  background-color: #0b1020;
  color: #e6eef8;
  margin: 0;
  padding: 0;
  text-align: center;
}

#logo {
  width: 80px;
  margin-top: 20px;
}

.panel {
  margin: 20px auto;
  padding: 20px;
  background: rgba(0, 0, 0, 0.7);
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(0, 255, 200, 0.4);
}

input, select {
  background: #091226;
  border: none;
  color: #fff;
  padding: 6px;
  border-radius: 6px;
  margin: 5px;
}

button {
  background: #00ffc8;
  color: #001;
  border: none;
  border-radius: 10px;
  padding: 10px 20px;
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  background: #00e0b8;
}

#pyramid-visualization {
  margin-top: 40px;
}

canvas {
  width: 100%;
  height: 400px;
  border-radius: 10px;
}