/* Vaani design tokens — single source of truth for color, type, space,
   motion. No external font/CDN dependency: system font stack only. */

:root {
  /* Color — deep navy/near-black base, restrained orange/violet accents */
  --bg: #0a0a12;
  --bg-elevated: #12121e;
  --bg-elevated-2: #171727;
  --surface: rgba(255, 255, 255, 0.05);
  --surface-hover: rgba(255, 255, 255, 0.08);
  --surface-active: rgba(255, 255, 255, 0.12);
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.2);

  --text: #e7eaf3;
  --text-muted: #99a1b5;
  --text-dim: #6b7280;

  --orange-400: #fb923c;
  --orange-500: #f97316;
  --orange-600: #ea580c;
  --violet-400: #a78bfa;
  --violet-500: #8b5cf6;
  --violet-600: #7c3aed;

  --danger: #f87171;
  --danger-bg: rgba(248, 113, 113, 0.1);
  --success: #34d399;
  --success-bg: rgba(52, 211, 153, 0.1);
  --warning: #fbbf24;
  --warning-bg: rgba(251, 191, 36, 0.1);

  --gradient-brand: linear-gradient(135deg, var(--orange-500), var(--violet-500));
  --gradient-brand-hover: linear-gradient(135deg, var(--orange-600), var(--violet-600));
  --gradient-glow: radial-gradient(
    60% 60% at 50% 0%,
    rgba(249, 115, 22, 0.18),
    rgba(139, 92, 246, 0.12) 45%,
    transparent 75%
  );

  /* Type */
  --font-sans:
    "Segoe UI", system-ui, -apple-system, "Inter", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;

  /* Space (4px scale) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadow / depth */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.45);
  --shadow-glow-orange: 0 0 0 1px rgba(249, 115, 22, 0.4), 0 8px 24px rgba(249, 115, 22, 0.15);

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 120ms;
  --duration-base: 200ms;
  --duration-slow: 400ms;

  /* Layout */
  --container-max: 72rem;
  --header-h: 4rem;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --duration-fast: 0ms;
    --duration-base: 0ms;
    --duration-slow: 0ms;
  }
}