/* Root variables & Terminal Dark aesthetics */
:root {
  --bg-deep: #080a0f;
  --panel-bg: #101520;
  --neon-bull: #00e676;
  --neon-bear: #ff3d57;
  --neon-cyan: #00e5ff;
  --neon-gold: #ffd600;
}

body {
  background-color: var(--bg-deep);
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(0, 229, 255, 0.04) 0%, transparent 60%),
    radial-gradient(circle at 100% 100%, rgba(0, 230, 118, 0.03) 0%, transparent 50%);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.safe-top {
  padding-top: max(0.75rem, env(safe-area-inset-top));
}

/* Scan laser animation across the chart */
@keyframes laserScan {
  0% {
    top: 0%;
    opacity: 0;
  }
  15% {
    opacity: 1;
  }
  85% {
    opacity: 1;
  }
  100% {
    top: 100%;
    opacity: 0;
  }
}

.scan-anim {
  animation: laserScan 2.4s ease-in-out infinite;
}

/* Custom glowing badge outlines */
.preset-btn.active {
  background: rgba(0, 230, 118, 0.15);
  border-color: rgba(0, 230, 118, 0.5);
  color: #00e676;
  box-shadow: 0 0 10px rgba(0, 230, 118, 0.15);
}

/* Custom scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: #0b0e14;
}
::-webkit-scrollbar-thumb {
  background: #1e283b;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #2b3952;
}

/* Glassmorphism panels */
.glass-panel {
  background: rgba(16, 21, 32, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

/* Canvas crisp rendering */
canvas {
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}