body {
  font-family:
    Inter,
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    "Helvetica Neue",
    Arial;
  background: #0b1020;
  color: #e6eef8;
}
.container {
  max-width: 900px;
  margin: 32px auto;
  padding: 16px;
}
h1 {
  margin: 0 0 12px 0;
  font-size: 28px;
}
.controls {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
}
.controls button {
  padding: 8px 12px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  background: #fff;
  color: #0b1020;
  font-weight: 600;
}
.controls .score {
  margin-left: 16px;
  color: #cbd5e1;
}
canvas {
  background: #071028;
  border: 2px solid #153e63;
  border-radius: 8px;
  display: block;
}
.hint {
  margin-top: 8px;
  color: #94a3b8;
}