/**
 * TransLogix Design Tokens
 * Unified design system variables
 */

:root {
  /* Colors - Primary */
  --color-primary: #1e40af;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #dbeafe;
  --color-primary-subtle: rgba(30, 64, 175, 0.08);

  /* Colors - Backgrounds */
  --color-bg: #f8fafc;
  --color-bg-alt: #f1f5f9;
  --color-surface: #ffffff;
  --color-surface-hover: #f8fafc;

  /* Colors - Text */
  --color-text: #0f172a;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;

  /* Colors - Border */
  --color-border: #e2e8f0;
  --color-border-focus: var(--color-primary);

  /* Colors - Status */
  --color-success: #059669;
  --color-success-bg: #d1fae5;
  --color-warning: #d97706;
  --color-warning-bg: #fef3c7;
  --color-error: #dc2626;
  --color-error-bg: #fee2e2;

  /* Typography - Fonts */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: ui-monospace, 'Cascadia Code', 'Source Code Pro', monospace;

  /* Typography - Sizes */
  --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;

  /* Typography - Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Typography - Line heights */
  --line-height-tight: 1.25;
  --line-height-base: 1.5;
  --line-height-relaxed: 1.6;

  /* Spacing (4px base) */
  --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;

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);

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

  /* Legacy aliases for backward compatibility */
  --primary-color: var(--color-primary);
  --primary-dark: var(--color-primary-hover);
  --secondary-color: var(--color-bg-alt);
  --text-dark: var(--color-text);
  --text-light: var(--color-text-muted);
  --border-color: var(--color-border);
  --card-shadow: var(--shadow-sm);
  --hover-shadow: var(--shadow-md);
  --success-color: var(--color-success);
  --warning-color: var(--color-warning);
  --danger-color: var(--color-error);
}