body {
  background-color: #050b14;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(0, 240, 255, 0.08) 0%, transparent 70%),
    linear-gradient(to bottom, rgba(5, 11, 20, 0.8), rgba(5, 11, 20, 0.95));
  color: #e2e8f0;
  min-height: 100vh;
}
.hud-panel {
  background: rgba(10, 21, 38, 0.7);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 240, 255, 0.18);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}
.hud-panel:hover {
  border-color: rgba(0, 240, 255, 0.35);
}
.hud-glow-cyan {
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.25);
}
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #050b14; }
::-webkit-scrollbar-thumb { background: #1a2e4a; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #00f0ff; }