/**
 * 1-tokens.css
 * Design system tokens and CSS custom properties
 * Supports dark and light themes via [data-theme] attribute
 */

:root {
  /* Color Palette - Dark theme (default) */
  --color-bg: #070B14;
  --color-surface: #0E1525;
  --color-card: #141D30;
  --color-border: #1E2A45;
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #A0AEC0;
  --color-text-tertiary: #718096;

  /* Primary & Accent Colors */
  --color-primary: #3B82F6;
  --color-primary-dark: #2563EB;
  --color-primary-light: #60A5FA;
  --color-accent: #FBBF24;
  --color-accent-dark: #F59E0B;
  --color-accent-light: #FCD34D;

  /* Semantic Colors */
  --color-success: #10B981;
  --color-success-dark: #059669;
  --color-success-light: #34D399;
  --color-warning: #F59E0B;
  --color-warning-dark: #D97706;
  --color-warning-light: #FBBF24;
  --color-danger: #EF4444;
  --color-danger-dark: #DC2626;
  --color-danger-light: #F87171;
  --color-info: #3B82F6;

  /* Background Gradients */
  --gradient-glow: radial-gradient(
    circle at 50% 50%,
    rgba(59, 130, 246, 0.15) 0%,
    rgba(59, 130, 246, 0) 70%
  );

  /* Spacing Scale */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Typography */
  --font-family-base: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  --font-family-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono",
    Consolas, "Courier New", monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;

  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-loose: 1.75;

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

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Z-index */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 500;
  --z-fixed: 1000;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-toast: 1060;

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;

  /* Header height */
  --header-height: 3.5rem;
  --sidebar-width: 16rem;
}

/* Light theme */
[data-theme="light"] {
  --color-bg: #F1F5F9;
  --color-surface: #FFFFFF;
  --color-card: #FFFFFF;
  --color-border: #E2E8F0;
  --color-text-primary: #1A202C;
  --color-text-secondary: #4A5568;
  --color-text-tertiary: #718096;
}

/* Utility: High contrast mode support */
@media (prefers-contrast: more) {
  :root {
    --color-text-secondary: #556B7C;
    --color-text-tertiary: #6B7A87;
  }
  [data-theme="light"] {
    --color-text-secondary: #2D3748;
    --color-text-tertiary: #4A5568;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0s;
    --transition-base: 0s;
    --transition-slow: 0s;
  }
}