body {
  background: radial-gradient(circle at 50% 0%, #0f172a 0%, #020617 85%);
  color: #f8fafc;
  min-height: 100vh;
  overflow-x: hidden;
}

.glass-panel {
  background: rgba(15, 23, 42, 0.78);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.rapid-pulse {
  animation: pulse-ring 3s infinite cubic-bezier(0.4, 0, 0.6, 1);
}

@keyframes pulse-ring {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(1.12); }
}

::-webkit-scrollbar { height: 6px; width: 6px; }
::-webkit-scrollbar-track { background: rgba(15, 23, 42, 0.5); }
::-webkit-scrollbar-thumb { background: rgba(56, 189, 248, 0.3); border-radius: 9999px; }
::-webkit-scrollbar-thumb:hover { background: rgba(56, 189, 248, 0.6); }

.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

.radar-frame-container iframe, .radar-frame-container div {
  width: 100%;
  height: 100%;
  min-height: 400px;
}

.tactical-card img { transition: transform 0.3s ease; }
.tactical-card:hover img { transform: scale(1.03); }

.nav-btn-active {
    background-color: #0ea5e9 !important; 
    color: #020617 !important; 
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}
.nav-btn-mobile-active {
    color: #38bdf8 !important; 
}

/* Calculator Slider Styles */
input[type=range] {
  -webkit-appearance: none;
  background: transparent;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  height: 20px;
  width: 20px;
  border-radius: 50%;
  background: #38bdf8;
  cursor: pointer;
  margin-top: -6px;
  box-shadow: 0 0 10px rgba(56,189,248,0.5);
}
input[type=range]::-webkit-slider-runnable-track {
  width: 100%;
  height: 8px;
  cursor: pointer;
  background: #1e293b;
  border-radius: 4px;
  border: 1px solid #334155;
}
/* Optional Custom Health Button Glow Effect */
.health-btn-glow:hover {
    box-shadow: 0 0 12px rgba(14, 165, 233, 0.4);
}