:root {
  --background: 220 35% 97%;
  --foreground: 222 42% 13%;
  --primary: 258 88% 58%;
  --primary-foreground: 0 0% 100%;
  --secondary: 184 72% 42%;
  --secondary-foreground: 0 0% 100%;
  --muted: 222 18% 91%;
  --muted-foreground: 220 12% 43%;
  --destructive: 354 77% 54%;
  --destructive-foreground: 0 0% 100%;
  --border: 222 20% 84%;
  --card: 0 0% 100%;
  --card-foreground: 222 42% 13%;
  --shadow-sm: 0 8px 20px hsl(222 42% 13% / 0.08);
  --shadow-md: 0 18px 45px hsl(222 42% 13% / 0.12);
  --shadow-lg: 0 30px 80px hsl(258 88% 30% / 0.22);
  --transition-fast: 160ms ease;
  --transition-smooth: 260ms cubic-bezier(0.22, 1, 0.36, 1);
  --radius-sm: 0.75rem;
  --radius-md: 1.1rem;
  --radius-lg: 1.75rem;
}

.dark {
  --background: 225 37% 8%;
  --foreground: 220 30% 96%;
  --primary: 262 90% 70%;
  --primary-foreground: 225 37% 8%;
  --secondary: 181 80% 55%;
  --secondary-foreground: 225 37% 8%;
  --muted: 224 25% 17%;
  --muted-foreground: 220 18% 72%;
  --destructive: 354 85% 64%;
  --destructive-foreground: 225 37% 8%;
  --border: 224 22% 24%;
  --card: 224 32% 12%;
  --card-foreground: 220 30% 96%;
  --shadow-sm: 0 8px 20px hsl(0 0% 0% / 0.22);
  --shadow-md: 0 18px 45px hsl(0 0% 0% / 0.32);
  --shadow-lg: 0 30px 80px hsl(262 90% 45% / 0.28);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-height: 100vh;
  color: hsl(var(--foreground));
  background:
    radial-gradient(circle at 10% 0%, hsl(var(--primary) / 0.18), transparent 34rem),
    radial-gradient(circle at 90% 12%, hsl(var(--secondary) / 0.18), transparent 30rem),
    hsl(var(--background));
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

button, a, input, select, textarea {
  transition: var(--transition-smooth);
}

input, select, textarea {
  font-size: max(16px, 1rem);
}

.bg-1 { background-color: hsl(var(--background)); }
.bg-2 { background-color: hsl(var(--card)); }
.bg-3 { background-color: hsl(var(--muted)); }
.bg-4 { background-color: hsl(var(--primary) / 0.1); }
.text-primary { color: hsl(var(--foreground)); }
.text-secondary { color: hsl(var(--muted-foreground)); }
.text-tertiary { color: hsl(var(--foreground) / 0.62); }
.accent { color: hsl(var(--primary)); }

.focus-ring:focus {
  outline: 3px solid hsl(var(--primary) / 0.28);
  outline-offset: 2px;
}

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

.glass-card {
  background: linear-gradient(145deg, hsl(var(--card) / 0.94), hsl(var(--card) / 0.78));
  border: 1px solid hsl(var(--border));
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(18px);
}

.hero-orb {
  background:
    radial-gradient(circle at 35% 25%, hsl(var(--secondary) / 0.95), transparent 22%),
    radial-gradient(circle at 65% 65%, hsl(var(--primary) / 0.95), transparent 28%),
    linear-gradient(135deg, hsl(var(--primary)), hsl(var(--secondary)));
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
  }
}