/* ============================================================
   SmartOBJX Design Tokens
   All values as CSS custom properties on :root.
   Never use raw hex/px values in component styles -- always
   reference these tokens.
   ============================================================ */

:root {
  /* ---- Colors ---- */
  --color-primary: #3B82F6;
  --color-primary-hover: #2563EB;
  --color-primary-active: #1D4ED8;
  --color-secondary: #8B5CF6;
  --color-secondary-hover: #7C3AED;
  --color-success: #16A34A;
  --color-warning: #D97706;
  --color-danger: #DC2626;
  --color-surface: #FFFFFF;
  --color-surface-alt: #F9FAFB;
  --color-text: #111827;
  --color-text-secondary: #6B7280;
  --color-border: #E5E7EB;
  --color-footer-bg: #111827;
  --color-footer-text: #F9FAFB;
  --color-footer-muted: #9CA3AF;

  /* ---- Typography ---- */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'Cascadia Code', 'Fira Code', monospace;

  /* ---- Type Scale ---- */
  --text-xs: 0.75rem;   /* 12px */
  --text-sm: 0.875rem;  /* 14px */
  --text-base: 1rem;    /* 16px */
  --text-lg: 1.125rem;  /* 18px */
  --text-xl: 1.5rem;    /* 24px */
  --text-2xl: 1.875rem; /* 30px */
  --text-3xl: 2.25rem;  /* 36px */

  /* ---- Spacing (4px grid) ---- */
  --space-1: 0.25rem;  /* 4px  */
  --space-2: 0.5rem;   /* 8px  */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */

  /* ---- Border Radii ---- */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* ---- Shadows ---- */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

  /* ---- Transitions ---- */
  --duration-fast: 150ms;
  --duration-normal: 200ms;
  --duration-slow: 300ms;
  --ease-default: cubic-bezier(0.4, 0, 0.2, 1);

  /* ---- Layout ---- */
  --max-width-container: 1200px;
  --max-width-content: 800px;
  --nav-height: 64px;
}