:root {
  --background: 240 10% 3.9%;
  --foreground: 0 0% 98%;
  --card: 240 10% 6%;
  --card-foreground: 0 0% 98%;
  --primary: 263.4 70% 50.4%;
  --primary-foreground: 210 40% 98%;
  --secondary: 158 82% 46%;
  --secondary-foreground: 210 40% 98%;
  --destructive: 0 84% 60%;
  --destructive-foreground: 210 40% 98%;
  --muted: 240 3.7% 15.9%;
  --muted-foreground: 240 5% 64.9%;
  --accent: 217 91% 60%;
  --accent-foreground: 210 40% 98%;
  --border: 240 3.7% 15.9%;
  --radius: 0.75rem;
}

.dark {
  color-scheme: dark;
}

body {
  background-color: hsl(var(--background));
  color: hsl(var(--foreground));
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

.glass-panel {
  background: rgba(15, 15, 20, 0.7);
  backdrop-filter: blur(12px);
  border: 1px solid hsl(var(--border));
}

.chart-line {
  filter: drop-shadow(0 0 8px hsl(var(--primary) / 0.5));
}

@keyframes pulse-ring {
  0% { transform: scale(0.33); opacity: 1; }
  80%, 100% { transform: scale(1.2); opacity: 0; }
}

.price-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  position: relative;
}

.price-dot::before {
  content: '';
  position: absolute;
  top: -6px;
  left: -6px;
  width: 24px;
  height: 24px;
  background: inherit;
  border-radius: 50%;
  animation: pulse-ring 1.5s cubic-bezier(0.455, 0.03, 0.515, 0.955) infinite;
  opacity: 0.4;
}