body {
  margin: 0;
  font-family: Arial, sans-serif;
  overflow: hidden;
  background: linear-gradient(to bottom, #0f2027, #203a43, #2c5364);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

canvas {
  border: 2px solid white;
  background-color: black;
  box-shadow: 0 0 20px rgba(255,255,255,0.3);
}

.overlay {
  position: absolute;
  top:0; left:0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.85);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 10;
}

.hidden { display: none; }

.overlay h1, .overlay h2, .overlay p, .overlay button {
    color: #00ffff; /* neon */
    text-shadow: 0 0 5px #00ffff, 0 0 10px #00ffff, 0 0 20px #00ffff;
}

button {
  padding: 12px 25px;
  margin: 10px;
  font-size: 16px;
  cursor: pointer;
  border: none;
  border-radius: 5px;
  background: linear-gradient(to right, #ff416c, #ff4b2b);
  color: white;
  font-weight: bold;
  transition: transform 0.2s, box-shadow 0.2s;
}
button:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px #00ffff, 0 0 40px #00ffff;
}

#footer {
  position: absolute;
  bottom: 10px;
  right: 10px;
  font-size: 14px;
  color: white;
}
/* Neon para labels e inputs do menu de Configurações */
#settings label {
    color: #00ffff; /* branco neon */
    text-shadow: 0 0 5px #00ffff, 0 0 10px #00ffff, 0 0 20px #00ffff;
    font-size: 18px;
    margin: 10px;
}

#settings input {
    background: black;
    color: #00ffff; /* texto neon */
    border: 2px solid #00ffff;
    border-radius: 5px;
    padding: 5px 10px;
    width: 60px;
    text-align: center;
}