:root {
  --background: 210 40% 98%;
  --foreground: 222 47% 11%;
  --primary: 262 83% 58%;
  --primary-foreground: 0 0% 100%;
  --secondary: 190 95% 43%;
  --secondary-foreground: 0 0% 100%;
  --muted: 220 16% 92%;
  --muted-foreground: 220 10% 42%;
  --destructive: 350 84% 55%;
  --destructive-foreground: 0 0% 100%;
  --border: 220 18% 86%;
  --card: 0 0% 100%;
  --shadow-sm: 0 1px 2px hsl(222 47% 11% / 0.08);
  --shadow-md: 0 12px 30px hsl(222 47% 11% / 0.10);
  --shadow-lg: 0 24px 60px hsl(262 83% 58% / 0.18);
  --transition-fast: 150ms ease;
  --transition-smooth: 260ms cubic-bezier(.2,.8,.2,1);
  --radius-sm: 0.75rem;
  --radius-md: 1.1rem;
  --radius-lg: 1.6rem;
}

.dark {
  --background: 224 36% 8%;
  --foreground: 214 32% 94%;
  --primary: 266 92% 68%;
  --primary-foreground: 224 36% 8%;
  --secondary: 187 90% 48%;
  --secondary-foreground: 224 36% 8%;
  --muted: 224 24% 16%;
  --muted-foreground: 218 16% 70%;
  --destructive: 350 88% 64%;
  --destructive-foreground: 224 36% 8%;
  --border: 224 22% 20%;
  --card: 224 30% 12%;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: hsl(var(--background));
}

body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, hsl(var(--primary) / 0.16), transparent 34rem),
    radial-gradient(circle at 90% 5%, hsl(var(--secondary) / 0.14), transparent 28rem),
    hsl(var(--background));
  color: hsl(var(--foreground));
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button, a, input, textarea {
  -webkit-tap-highlight-color: transparent;
}

.focus-ring:focus-visible {
  outline: 3px solid hsl(var(--primary) / 0.32);
  outline-offset: 3px;
}

.nav-glow {
  box-shadow: 0 -18px 50px hsl(var(--primary) / 0.10);
}

.card-hover {
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
}

.card-hover:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: hsl(var(--primary) / 0.28);
}

.safe-bottom {
  padding-bottom: max(1rem, env(safe-area-inset-bottom));
}

.gradient-text {
  background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--secondary)));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}