/* Fullscreen Canvas */
html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background: #000;
  font-family: 'Segoe UI', sans-serif;
  color: white;
}

#stardust {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
}

/* Intro Content */
.intro-content {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}
.intro-content h1 {
  font-size: 3rem;
  color: #ff003c;
}
.intro-content p {
  margin: 1rem 0;
  font-size: 1.2rem;
}
#enter-btn {
  padding: 0.8rem 2rem;
  background: #ff003c;
  border: none;
  color: white;
  cursor: pointer;
  font-weight: bold;
  font-size: 1rem;
  transition: background 0.3s;
}
#enter-btn:hover {
  background: #cc002e;
}

#username {
  padding: 0.6rem 1rem;
  font-size: 1rem;
  margin-bottom: 1rem;
  border: none;
  border-radius: 4px;
  background: #111;
  color: white;
  border: 1px solid #ff003c;
  width: 250px;
  text-align: center;
}