*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; }
body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: system-ui, -apple-system, sans-serif;
  background: #0a0a0a;
  color: #fafafa;
  overflow: hidden;
}

#canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
}

#ui {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 10;
  background: rgba(0, 0, 0, 0.6);
  padding: 10px 18px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
}

button {
  background: transparent;
  border: 1px solid rgba(0, 255, 180, 0.5);
  color: #00ffb4;
  padding: 6px 16px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  letter-spacing: 0.05em;
  transition: all 0.2s;
}

button:hover {
  background: rgba(0, 255, 180, 0.15);
  border-color: #00ffb4;
}

#status {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.04em;
  min-width: 180px;
  text-align: center;
}