* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a1a2e, #16213e);
  color: #eee;
  font-family: 'Segoe UI', sans-serif;
}
h1 { margin: 0 0 10px; letter-spacing: 2px; }
.info {
  display: flex;
  gap: 24px;
  margin-bottom: 12px;
  font-size: 18px;
}
canvas {
  background: #0f3460;
  border: 3px solid #e94560;
  border-radius: 8px;
  box-shadow: 0 0 20px rgba(233,69,96,0.4);
}
.controls { margin-top: 14px; color: #aaa; font-size: 14px; }
.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  background: rgba(0,0,0,0.6);
  color: #fff;
  font-size: 24px;
  border-radius: 8px;
}
.wrap { position: relative; }
button {
  margin-top: 10px;
  padding: 8px 18px;
  background: #e94560;
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
}
button:hover { background: #ff5c7a; }