/* ============================================
   DESIGN TOKENS - GoPlanify UI System
   ============================================ */

:root {
  /* Primary Colors */
  --color-primary: #4338ca;           /* Indigo 700 */
  --color-primary-light: #6366f1;     /* Indigo 500 */
  --color-primary-dark: #3730a3;      /* Indigo 800 */
  --color-primary-50: #eef2ff;        /* Indigo 50 */
  --color-primary-100: #e0e7ff;       /* Indigo 100 */
  --color-primary-200: #c7d2fe;       /* Indigo 200 */

  /* Secondary Colors */
  --color-secondary: #ec4899;         /* Rose */
  --color-secondary-light: #f472b6;   /* Rose 300 */
  --color-secondary-dark: #be185d;    /* Rose 700 */

  /* Neutrals - Light Mode */
  --color-white: #ffffff;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* Neutrals - Dark Mode */
  --color-dark-900: #0f172a;
  --color-dark-800: #1e293b;
  --color-dark-700: #334155;
  --color-dark-600: #475569;
  --color-dark-400: #94a3b8;
  --color-dark-300: #cbd5e1;
  --color-dark-200: #e2e8f0;

  /* Semantic Colors */
  --color-success: #10b981;           /* Emerald */
  --color-warning: #f59e0b;           /* Amber */
  --color-danger: #ef4444;            /* Red */
  --color-info: #3b82f6;              /* Blue */

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 20px;
  --spacing-2xl: 24px;
  --spacing-3xl: 32px;
  --spacing-4xl: 40px;
  --spacing-5xl: 48px;

  /* Typography */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  --font-family-mono: 'Fira Code', 'Courier New', monospace;

  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-md: 13px;
  --font-size-base: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 28px;
  --font-size-5xl: 36px;

  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Line Heights */
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.2);

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-base: 200ms ease-out;
  --transition-slow: 300ms ease-out;

  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 100;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* Dark Mode */
[data-bs-theme="dark"],
.dark-mode {
  --color-text-primary: var(--color-dark-200);
  --color-text-secondary: var(--color-dark-300);
  --color-text-muted: var(--color-dark-400);
  --color-bg-primary: var(--color-dark-900);
  --color-bg-secondary: var(--color-dark-800);
  --color-bg-tertiary: var(--color-dark-700);
  --color-border: var(--color-dark-700);
  --color-border-light: var(--color-dark-600);
}

/* Light Mode */
:root:not([data-bs-theme="dark"]) {
  --color-text-primary: var(--color-gray-900);
  --color-text-secondary: var(--color-gray-600);
  --color-text-muted: var(--color-gray-500);
  --color-bg-primary: var(--color-white);
  --color-bg-secondary: #f8fafc;
  --color-bg-tertiary: var(--color-gray-100);
  --color-border: #e2e8f0;
  --color-border-light: var(--color-gray-300);
}

/* Global Resets */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-family: var(--font-family-base);
  font-size: 16px;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
}

/* Responsive Typography */
@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

@media (min-width: 1024px) {
  html {
    font-size: 16px;
  }
}