/**
 * Design Tokens - Sync Recommerce
 * Única fuente de verdad para colores, tipografía, espaciado
 *
 * NUNCA uses valores hardcoded fuera de este archivo
 */

:root {
  /* ============================================
     COLORES SYNCTRUCK - ÚNICA DEFINICIÓN
     ============================================ */

  /* Primarios */
  --color-primary: #015E7C;
  --color-primary-dark: #014555;
  --color-primary-light: #0099CC;

  /* Secundarios */
  --color-secondary: #38444C;
  --color-secondary-light: #5a6570;
  --color-secondary-dark: #1a1a1a;

  /* Neutrales */
  --color-white: #FFFFFF;
  --color-black: #38444C;
  --color-gray-50: #F8F9FA;
  --color-gray-100: #E9ECEF;
  --color-gray-200: #DEE2E6;
  --color-gray-300: #CED4DA;
  --color-gray-400: #ADB5BD;
  --color-gray-500: #6C757D;
  --color-gray-600: #495057;
  --color-gray-700: #343A40;
  --color-gray-800: #212529;

  /* Estados */
  --color-success: #28A745;
  --color-warning: #FFC107;
  --color-danger: #DC3545;
  --color-info: #0099CC;

  /* Backgrounds */
  --bg-primary: var(--color-white);
  --bg-secondary: var(--color-gray-50);
  --bg-dark: var(--color-primary-dark);
  --bg-overlay: rgba(1, 94, 124, 0.95);

  /* Borders */
  --border-color: var(--color-gray-200);
  --border-color-dark: var(--color-gray-300);
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  --border-radius-full: 9999px;

  /* ============================================
     TIPOGRAFÍA
     ============================================ */

  --font-primary: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Montserrat', system-ui, sans-serif;
  --font-accent: 'Roboto', sans-serif;

  /* Font Sizes (Escala tipográfica) */
  --text-xs: 0.75rem;      /* 12px */
  --text-sm: 0.875rem;     /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.25rem;      /* 20px */
  --text-2xl: 1.5rem;      /* 24px */
  --text-3xl: 1.875rem;    /* 30px */
  --text-4xl: 2.25rem;     /* 36px */
  --text-5xl: 3rem;        /* 48px */
  --text-6xl: 3.75rem;     /* 60px */

  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;

  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;

  /* ============================================
     ESPACIADO (Sistema 8pt)
     ============================================ */

  --space-0: 0;
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --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 */
  --space-24: 6rem;     /* 96px */
  --space-32: 8rem;     /* 128px */

  /* ============================================
     SOMBRAS
     ============================================ */

  --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);
  --shadow-brand: 0 8px 24px rgba(1, 94, 124, 0.2);

  /* ============================================
     TRANSICIONES
     ============================================ */

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* ============================================
     GRADIENTES
     ============================================ */

  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  --gradient-accent: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  --gradient-overlay: linear-gradient(135deg, rgba(1,94,124,0.95) 0%, rgba(1,69,85,0.9) 100%);
  --gradient-subtle: linear-gradient(180deg, transparent 0%, rgba(0,153,204,0.05) 100%);

  /* ============================================
     LAYOUT
     ============================================ */

  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;
  --container-max: 1200px;

  --header-height: 80px;
  --header-height-mobile: 64px;

  /* ============================================
     Z-INDEX SCALE
     ============================================ */

  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;
}