/* Design Tokens & Theme Variables */
:root {
  /* Fonts */
  --font-arabic: 'Cairo', system-ui, -apple-system, sans-serif;
  --font-english: 'Outfit', 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: var(--font-arabic);
  --font-heading: var(--font-arabic);

  /* Brand Palette (Executive Accounting - Emerald, Deep Navy, Warm Gold) */
  --primary-50: #ECFDF5;
  --primary-100: #D1FAE5;
  --primary-200: #A7F3D0;
  --primary-300: #6EE7B7;
  --primary-400: #34D399;
  --primary-500: #10B981;
  --primary-600: #059669;
  --primary-700: #047857;
  --primary-800: #065F46;
  --primary-900: #064E3B;

  --navy-50: #F0F4F8;
  --navy-100: #D9E2EC;
  --navy-200: #BCCCDC;
  --navy-300: #9FB3C8;
  --navy-400: #829AB1;
  --navy-500: #627D98;
  --navy-600: #486581;
  --navy-700: #334E68;
  --navy-800: #243B53;
  --navy-900: #0F172A;
  --navy-950: #090D16;

  --gold-50: #FFFDF0;
  --gold-100: #FEF9C3;
  --gold-400: #FACC15;
  --gold-500: #EAB308;
  --gold-600: #CA8A04;
  --gold-700: #A16207;

  /* Semantic Colors */
  --success: #10B981;
  --success-bg: rgba(16, 185, 129, 0.12);
  --warning: #F59E0B;
  --warning-bg: rgba(245, 158, 11, 0.12);
  --danger: #EF4444;
  --danger-bg: rgba(239, 68, 68, 0.12);
  --info: #3B82F6;
  --info-bg: rgba(59, 130, 246, 0.12);

  /* Light Theme (Default) */
  --bg-page: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #FFFFFF;
  --bg-surface-hover: #F1F5F9;
  --bg-alt: #F1F5F9;
  --bg-subtle: #F8FAFC;

  --border-color: #E2E8F0;
  --border-focus: #059669;
  --border-subtle: #EDF2F7;

  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --text-inverse: #FFFFFF;

  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.09), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-glow: 0 0 25px rgba(16, 185, 129, 0.25);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-page: #0B0F19;
  --bg-surface: #111827;
  --bg-surface-elevated: #1F2937;
  --bg-surface-hover: #1E293B;
  --bg-alt: #161F30;
  --bg-subtle: #0E1422;

  --border-color: #1F293D;
  --border-focus: #34D399;
  --border-subtle: #172133;

  --text-primary: #F8FAFC;
  --text-secondary: #CBD5E1;
  --text-muted: #64748B;
  --text-inverse: #0F172A;

  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 8px -1px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 20px -3px rgba(0, 0, 0, 0.6);
  --shadow-xl: 0 20px 30px -5px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 30px rgba(52, 211, 153, 0.2);
}