html, body {
  height: 100%;
  margin: 0;
  background: radial-gradient(1200px 800px at 50% 40%, #0b1020 0%, #05060a 55%, #000 100%);
  overflow: hidden;
  font-family: Arial, sans-serif;
}

#app { position: relative; height: 100%; width: 100%; }
#c { display: block; width: 100%; height: 100%; }

#hud {
  position: absolute;
  top: 18px;
  left: 18px;
  color: rgba(255,255,255,0.92);
  user-select: none;
}

#hud .title { font-size: 18px; font-weight: 700; letter-spacing: 0.4px; }
#hud .subtitle { margin-top: 4px; font-size: 12px; opacity: 0.75; }
#hud .status { margin-top: 10px; font-size: 12px; opacity: 0.85; }

.controls{
  margin-top: 10px;
  display: flex;
  gap: 10px;
  align-items: center;
  pointer-events: auto;
}

#micBtn{
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.92);
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 12px;
}

#micBtn:hover{ background: rgba(255,255,255,0.14); }

#micStatus{ font-size: 12px; opacity: 0.80; }