:root {
  --background: 210 44% 96%;
  --foreground: 222 47% 11%;
  --primary: 188 95% 32%;
  --primary-foreground: 0 0% 100%;
  --secondary: 258 72% 58%;
  --secondary-foreground: 0 0% 100%;
  --muted: 213 24% 88%;
  --muted-foreground: 215 18% 39%;
  --destructive: 354 77% 48%;
  --destructive-foreground: 0 0% 100%;
  --border: 213 22% 82%;
  --card: 0 0% 100%;
  --accent: 36 95% 56%;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 14px 35px rgba(15, 23, 42, 0.12);
  --shadow-lg: 0 24px 70px rgba(15, 23, 42, 0.18);
  --transition-fast: 140ms ease;
  --transition-smooth: 260ms cubic-bezier(0.22, 1, 0.36, 1);
  --radius-sm: 0.65rem;
  --radius-md: 1rem;
  --radius-lg: 1.45rem;
}

.dark {
  --background: 222 47% 7%;
  --foreground: 210 40% 96%;
  --primary: 184 88% 44%;
  --primary-foreground: 222 47% 7%;
  --secondary: 265 84% 72%;
  --secondary-foreground: 222 47% 7%;
  --muted: 221 28% 17%;
  --muted-foreground: 215 20% 73%;
  --destructive: 358 82% 64%;
  --destructive-foreground: 222 47% 7%;
  --border: 220 24% 22%;
  --card: 222 41% 10%;
  --accent: 38 98% 62%;
}

* { 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 top left, hsl(var(--primary) / 0.18), transparent 30rem),
    radial-gradient(circle at 85% 12%, hsl(var(--secondary) / 0.18), transparent 25rem),
    hsl(var(--background));
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button, a, input, textarea, select { transition: var(--transition-fast); }
button, a { -webkit-tap-highlight-color: transparent; }
input, textarea, select { font-size: max(16px, 1rem); }

.focus-ring:focus-visible {
  outline: 3px solid hsl(var(--primary) / 0.35);
  outline-offset: 3px;
}

.glass-card {
  background: hsl(var(--card) / 0.88);
  border: 1px solid hsl(var(--border));
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(18px);
}

.bottom-safe { padding-bottom: calc(0.75rem + env(safe-area-inset-bottom)); }
.top-safe { padding-top: env(safe-area-inset-top); }

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