body {
  margin: 0;
  background:#1e1e1e;
  color:#fff;
  font-family: system-ui;
  display:flex;
  flex-direction:column;
  align-items:center;
}

h1 {
  margin: 16px 0 0;
}

#ui {
  display:flex;
  gap:16px;
  align-items:center;
  margin: 8px 0 16px;
}

#score {
  font-weight: 600;
}

#game {
  background:#222;
  border:2px solid #444;
}

button {
  padding:8px 14px;
  border:none;
  border-radius:6px;
  background:#4CAF50;
  color:#fff;
  cursor:pointer;
}

button:disabled {
  background:#4CAF50;
  cursor:default;
}

.hint {
  color:#bbb;
  font-size: 1.1rem;
  margin-top: 6px;
}