:root {
  --background: 232 34% 8%;
  --foreground: 210 22% 96%;
  --primary: 274 91% 63%;
  --secondary: 194 90% 55%;
  --muted: 228 24% 18%;
  --destructive: 0 78% 58%;
  --border: 228 20% 26%;
  --card: 230 27% 12%;

  --shadow-sm: 0 8px 20px rgba(0, 0, 0, 0.16);
  --shadow-md: 0 18px 44px rgba(0, 0, 0, 0.22);
  --shadow-lg: 0 0 0 1px rgba(255,255,255,0.04), 0 24px 80px rgba(135, 80, 255, 0.28);

  --transition-fast: 140ms ease;
  --transition-smooth: 280ms cubic-bezier(0.22, 1, 0.36, 1);

  --radius-sm: 0.7rem;
  --radius-md: 1rem;
  --radius-lg: 1.4rem;
}

.dark {
  --background: 232 34% 8%;
  --foreground: 210 22% 96%;
  --primary: 274 91% 63%;
  --secondary: 194 90% 55%;
  --muted: 228 24% 18%;
  --destructive: 0 78% 58%;
  --border: 228 20% 26%;
  --card: 230 27% 12%;
}

* {
  box-sizing: border-box;
}

html,
body,
#root {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.glass-card {
  backdrop-filter: blur(18px);
  background: linear-gradient(180deg, hsl(var(--card) / 0.88), hsl(var(--card) / 0.64));
}

.big-multiplier {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 84px;
  padding: 0.35rem 1rem;
  border-radius: 1.25rem;
  font-size: clamp(2.4rem, 8vw, 4.4rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
  color: hsl(var(--foreground));
  text-shadow: 0 0 28px hsl(var(--primary) / 0.35);
  background: linear-gradient(135deg, hsl(var(--primary) / 0.16), hsl(var(--secondary) / 0.12));
  border: 1px solid hsl(var(--border));
  box-shadow: var(--shadow-lg);
}

.pulse-ring {
  animation: pulseRing 1.2s infinite;
}

.loader-dot {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  border: 2px solid rgba(255,255,255,0.34);
  border-top-color: white;
  display: inline-block;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulseRing {
  0% { box-shadow: 0 0 0 0 hsl(var(--primary) / 0.38); }
  70% { box-shadow: 0 0 0 18px hsl(var(--primary) / 0); }
  100% { box-shadow: 0 0 0 0 hsl(var(--primary) / 0); }
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-thumb {
  background: hsl(var(--muted));
  border-radius: 999px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

input::placeholder {
  color: hsl(var(--foreground) / 0.35);
}