* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: system-ui, sans-serif;
}

body {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: white;
  overflow: hidden;
}

.ui {
  position: fixed;
  top: 20px;
  left: 20px;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(10px);
  padding: 16px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.1);
}

h1 {
  font-size: 22px;
  margin-bottom: 6px;
}

.controls {
  margin-top: 10px;
}

button {
  background: #38bdf8;
  border: none;
  color: #021018;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  margin-right: 6px;
  font-weight: bold;
}

button:hover {
  background: #7dd3fc;
}

#status {
  margin-top: 10px;
  font-size: 14px;
  opacity: 0.8;
}

canvas {
  display: block;
}