body {
  margin: 0;
  overflow: hidden;
  background: transparent;
}
#visualizer {
  position: absolute;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  filter: blur(0px) brightness(1) contrast(1);
  transition: filter 0.2s, box-shadow 0.2s, border-radius 0.2s, hue-rotate 0.2s;
  box-shadow: 0 0 80px 20px #0ff8, 0 0 40px 10px #f0f8;
  border-radius: 30px;
  border: 4px solid #f0f;
}
#controls {
  position: absolute;
  top: 20px;
  left: 20px;
  z-index: 10;
  background: rgba(0,0,0,0.7);
  padding: 16px;
  border-radius: 16px;
  color: #fff;
  font-family: 'Monoton', 'Orbitron', sans-serif;
  font-size: 1.2em;
  box-shadow: 0 0 30px #f0f8, 0 0 10px #0ff8;
  border: 2px solid #0ff;
  letter-spacing: 2px;
  text-transform: uppercase;
}
#controls button, #controls input[type="file"] {
  background: #f0f;
  color: #0ff;
  border: none;
  padding: 8px 16px;
  margin: 5px;
  border-radius: 6px;
  font-family: 'Orbitron', 'Monoton', sans-serif;
  font-size: 1em;
  box-shadow: 0 0 10px #0ff8;
  cursor: pointer;
  transition: background 0.3s, color 0.3s;
}
#controls button:hover, #controls input[type="file"]:hover {
  background: #0ff;
  color: #f0f;
}
#chaosText {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  font-size: 2.5em;
  font-family: 'Monoton', 'Orbitron', sans-serif;
  text-shadow: 0 0 40px #0ff, 0 0 80px #f0f, 0 0 20px #fff;
  z-index: 20;
  pointer-events: none;
  animation: wildtext 1.5s infinite alternate;
}
@keyframes wildtext {
  0% { letter-spacing: 2px; }
  100% { letter-spacing: 20px; }
}