html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: "Roboto", sans-serif;
  overflow: hidden;
  transition: background 0.3s, color 0.3s;
}
#bg-video {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  z-index: -2;
}
#bg-audio {
  display: none;
}
.glass-panel {
  background: rgba(25, 25, 25, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}