body {
  margin: 0;
  height: 100vh;
  background: black;
  color: red;
  font-family: monospace;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

#scene {
  font-size: 22px;
  animation: flicker 0.2s infinite;
}

.hidden {
  display: none;
}

#login {
  text-align: center;
}

input {
  display: block;
  margin: 8px auto;
  padding: 8px;
  background: #111;
  border: 1px solid red;
  color: white;
}

button {
  background: darkred;
  border: none;
  padding: 8px;
  color: white;
  cursor: pointer;
}

/* Glitch Effekt */
.glitch {
  animation: glitch 1s infinite;
}

@keyframes glitch {
  0% { text-shadow: 2px 0 red; }
  50% { text-shadow: -2px 0 darkred; }
  100% { text-shadow: 2px 0 red; }
}

@keyframes flicker {
  0% { opacity: 1; }
  50% { opacity: 0.3; }
  100% { opacity: 1; }
}