/* ==========================================================================
   Design Tokens - AppUnificado Design System
   ========================================================================== */

:root {
  /* -------------------------------------------------------------------------
     COLOR PALETTE
     ------------------------------------------------------------------------- */

  /* Primary Colors */
  --color-primary: #1b6ec2;
  --color-primary-light: #3d8bd4;
  --color-primary-dark: #155a9c;
  --color-primary-bg: rgba(27, 110, 194, 0.1);

  /* Secondary Colors */
  --color-secondary: #6c757d;
  --color-secondary-light: #868e96;
  --color-secondary-dark: #545b62;
  --color-secondary-bg: rgba(108, 117, 125, 0.1);

  /* Success */
  --color-success: #198754;
  --color-success-light: #28a745;
  --color-success-dark: #146c43;
  --color-success-bg: rgba(25, 135, 84, 0.1);

  /* Warning */
  --color-warning: #ffc107;
  --color-warning-light: #ffda6a;
  --color-warning-dark: #cc9a06;
  --color-warning-bg: rgba(255, 193, 7, 0.1);

  /* Danger */
  --color-danger: #dc3545;
  --color-danger-light: #e4606d;
  --color-danger-dark: #b02a37;
  --color-danger-bg: rgba(220, 53, 69, 0.1);

  /* Info */
  --color-info: #0dcaf0;
  --color-info-light: #3dd5f3;
  --color-info-dark: #0aa2c0;
  --color-info-bg: rgba(13, 202, 240, 0.1);

  /* Neutral Colors */
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray-50: #f8f9fa;
  --color-gray-100: #f1f3f5;
  --color-gray-200: #e9ecef;
  --color-gray-300: #dee2e6;
  --color-gray-400: #ced4da;
  --color-gray-500: #adb5bd;
  --color-gray-600: #6c757d;
  --color-gray-700: #495057;
  --color-gray-800: #343a40;
  --color-gray-900: #212529;

  /* Text Colors */
  --color-text-primary: #1a1a1a;
  --color-text-secondary: #6c757d;
  --color-text-muted: #868e96;
  --color-text-light: #adb5bd;
  --color-text-inverse: #ffffff;

  /* Link Colors */
  --color-link: #0071c1;
  --color-link-hover: #004d82;
  --color-link-visited: #551a8b;

  /* Background Colors */
  --color-bg-body: #ffffff;
  --color-bg-light: #f8f9fa;
  --color-bg-dark: #212529;
  --color-bg-sidebar: linear-gradient(180deg, rgb(5, 39, 103) 0%, #3a0647 70%);

  /* Border Colors */
  --color-border: #dee2e6;
  --color-border-light: #e9ecef;
  --color-border-dark: #ced4da;

  /* -------------------------------------------------------------------------
     TYPOGRAPHY
     ------------------------------------------------------------------------- */

  /* Font Families */
  --font-family-base: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-family-mono: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Font Sizes */
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */
  --font-size-4xl: 2.25rem;   /* 36px */

  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Line Heights */
  --line-height-tight: 1.25;
  --line-height-base: 1.5;
  --line-height-relaxed: 1.75;

  /* -------------------------------------------------------------------------
     SPACING
     ------------------------------------------------------------------------- */

  --spacing-0: 0;
  --spacing-1: 0.25rem;   /* 4px */
  --spacing-2: 0.5rem;    /* 8px */
  --spacing-3: 0.75rem;   /* 12px */
  --spacing-4: 1rem;      /* 16px */
  --spacing-5: 1.25rem;   /* 20px */
  --spacing-6: 1.5rem;    /* 24px */
  --spacing-8: 2rem;      /* 32px */
  --spacing-10: 2.5rem;   /* 40px */
  --spacing-12: 3rem;     /* 48px */
  --spacing-16: 4rem;     /* 64px */

  /* -------------------------------------------------------------------------
     BORDERS
     ------------------------------------------------------------------------- */

  --border-width: 1px;
  --border-width-2: 2px;
  --border-radius-sm: 0.25rem;   /* 4px */
  --border-radius: 0.375rem;     /* 6px */
  --border-radius-lg: 0.5rem;    /* 8px */
  --border-radius-xl: 0.75rem;   /* 12px */
  --border-radius-full: 9999px;

  /* -------------------------------------------------------------------------
     SHADOWS
     ------------------------------------------------------------------------- */

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

  /* -------------------------------------------------------------------------
     TRANSITIONS
     ------------------------------------------------------------------------- */

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

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

  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  --z-mobile-menu: 1100;
  --z-error: 9999;

  /* -------------------------------------------------------------------------
     BREAKPOINTS (for reference in media queries)
     ------------------------------------------------------------------------- */

  --breakpoint-sm: 576px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 992px;
  --breakpoint-xl: 1200px;

  /* -------------------------------------------------------------------------
     COMPONENT SPECIFIC
     ------------------------------------------------------------------------- */

  /* Cards */
  --card-border-radius: var(--border-radius-lg);
  --card-shadow: var(--shadow-sm);
  --card-shadow-hover: var(--shadow-md);
  --card-padding: var(--spacing-4);

  /* Buttons */
  --btn-padding-x: var(--spacing-4);
  --btn-padding-y: var(--spacing-2);
  --btn-border-radius: var(--border-radius);
  --btn-font-weight: var(--font-weight-medium);

  /* Inputs */
  --input-padding-x: var(--spacing-3);
  --input-padding-y: var(--spacing-2);
  --input-border-radius: var(--border-radius);
  --input-border-color: var(--color-border);
  --input-focus-border-color: var(--color-primary);
  --input-focus-shadow: 0 0 0 0.2rem var(--color-primary-bg);

  /* Tables */
  --table-header-bg: var(--color-gray-800);
  --table-header-color: var(--color-white);
  --table-border-color: var(--color-border);
  --table-stripe-bg: var(--color-gray-50);

  /* Alerts */
  --alert-padding: var(--spacing-4);
  --alert-border-radius: var(--border-radius);
}

/* Dark mode support (optional - can be enabled later) */
@media (prefers-color-scheme: dark) {
  :root.dark-mode {
    --color-text-primary: #f1f3f5;
    --color-text-secondary: #adb5bd;
    --color-bg-body: #1a1a1a;
    --color-bg-light: #2d2d2d;
    --color-border: #404040;
  }
}