/* Shared game page nav shell */
.game-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 24px;
  background: #05051088; backdrop-filter: blur(12px);
  border-bottom: 1px solid #1e1e3a;
}
.back-btn {
  color: #4cff91; text-decoration: none;
  font-family: 'Orbitron', sans-serif; font-size: 0.75rem;
  font-weight: 700; letter-spacing: 1px;
  padding: 5px 14px; border: 1px solid #4cff9144;
  border-radius: 16px; background: #4cff9111;
  transition: all 0.2s;
}
.back-btn:hover { background: #4cff91; color: #050510; }
.game-nav-title {
  font-family: 'Orbitron', sans-serif; font-size: 0.9rem;
  font-weight: 700; color: #fff;
}
.game-nav-hs {
  font-family: 'Orbitron', sans-serif; font-size: 0.75rem;
  color: #ffcc00;
}
.hub-link {
  display: inline-block; margin-top: 10px;
  color: #666; text-decoration: none; font-size: 0.8rem;
  font-family: 'Orbitron', sans-serif;
  transition: color 0.2s;
}
.hub-link:hover { color: #4cff91; }