:root {
  --background: 210 40% 98%;
  --foreground: 222 47% 11%;
  --primary: 245 78% 58%;
  --primary-foreground: 0 0% 100%;
  --secondary: 188 88% 38%;
  --secondary-foreground: 0 0% 100%;
  --muted: 220 18% 92%;
  --muted-foreground: 222 14% 43%;
  --destructive: 348 82% 52%;
  --destructive-foreground: 0 0% 100%;
  --success: 152 74% 37%;
  --border: 222 22% 86%;
  --card: 0 0% 100%;
  --ring: 245 78% 58%;
  --shadow-sm: 0 8px 20px hsl(222 47% 11% / 0.06);
  --shadow-md: 0 18px 40px hsl(222 47% 11% / 0.10);
  --shadow-lg: 0 30px 80px hsl(222 47% 11% / 0.14);
  --transition-fast: 160ms ease;
  --transition-smooth: 280ms cubic-bezier(.2,.8,.2,1);
  --radius-sm: 0.75rem;
  --radius-md: 1.1rem;
  --radius-lg: 1.5rem;
}

.dark {
  --background: 230 28% 8%;
  --foreground: 210 35% 96%;
  --primary: 252 95% 70%;
  --primary-foreground: 240 25% 8%;
  --secondary: 184 88% 48%;
  --secondary-foreground: 220 35% 8%;
  --muted: 228 20% 16%;
  --muted-foreground: 220 18% 72%;
  --destructive: 350 88% 62%;
  --destructive-foreground: 0 0% 100%;
  --success: 150 72% 48%;
  --border: 228 18% 22%;
  --card: 230 25% 11%;
  --ring: 252 95% 70%;
  --shadow-sm: 0 8px 20px hsl(0 0% 0% / 0.22);
  --shadow-md: 0 18px 40px hsl(0 0% 0% / 0.32);
  --shadow-lg: 0 30px 80px hsl(0 0% 0% / 0.45);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: hsl(var(--background));
}
button, input { font: inherit; }
button { cursor: pointer; }
::selection { background: hsl(var(--primary) / 0.22); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: hsl(var(--muted)); border-radius: 999px; }
::-webkit-scrollbar-thumb { background: hsl(var(--primary) / 0.45); border-radius: 999px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}