/**
 * Sistema de Diseño - Variables CSS
 * App Closers - Variables globales para consistencia visual
 * Adaptado para Bootstrap 5
 */

:root {
  /* Bootstrap 5 CSS Variables Override */
  --bs-primary: #2563eb;
  --bs-primary-rgb: 37, 99, 235;
  --bs-success: #16a34a;
  --bs-success-rgb: 22, 163, 74;
  --bs-warning: #eab308;
  --bs-warning-rgb: 234, 179, 8;
  --bs-danger: #dc2626;
  --bs-danger-rgb: 220, 38, 38;
  --bs-info: #0891b2;
  --bs-info-rgb: 8, 145, 178;
  /* ============================================
     PALETA DE COLORES
     ============================================ */
  
  /* Primary - Azul (Brand) */
  --color-primary-50: #eff6ff;
  --color-primary-100: #dbeafe;
  --color-primary-200: #bfdbfe;
  --color-primary-300: #93c5fd;
  --color-primary-400: #60a5fa;
  --color-primary-500: #3b82f6;
  --color-primary-600: #2563eb;
  --color-primary-700: #1d4ed8;
  --color-primary-800: #1e40af;
  --color-primary-900: #1e3a8a;
  
  /* Success - Verde */
  --color-success-50: #f0fdf4;
  --color-success-100: #dcfce7;
  --color-success-200: #bbf7d0;
  --color-success-300: #86efac;
  --color-success-400: #4ade80;
  --color-success-500: #22c55e;
  --color-success-600: #16a34a;
  --color-success-700: #15803d;
  --color-success-800: #166534;
  --color-success-900: #14532d;
  
  /* Warning - Amarillo */
  --color-warning-50: #fefce8;
  --color-warning-100: #fef9c3;
  --color-warning-200: #fef08a;
  --color-warning-300: #fde047;
  --color-warning-400: #facc15;
  --color-warning-500: #eab308;
  --color-warning-600: #ca8a04;
  --color-warning-700: #a16207;
  --color-warning-800: #854d0e;
  --color-warning-900: #713f12;
  
  /* Danger - Rojo */
  --color-danger-50: #fef2f2;
  --color-danger-100: #fee2e2;
  --color-danger-200: #fecaca;
  --color-danger-300: #fca5a5;
  --color-danger-400: #f87171;
  --color-danger-500: #ef4444;
  --color-danger-600: #dc2626;
  --color-danger-700: #b91c1c;
  --color-danger-800: #991b1b;
  --color-danger-900: #7f1d1d;
  
  /* Info - Cyan */
  --color-info-50: #ecfeff;
  --color-info-100: #cffafe;
  --color-info-200: #a5f3fc;
  --color-info-300: #67e8f9;
  --color-info-400: #22d3ee;
  --color-info-500: #06b6d4;
  --color-info-600: #0891b2;
  --color-info-700: #0e7490;
  --color-info-800: #155e75;
  --color-info-900: #164e63;
  
  /* Neutral - Grises */
  --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;
  
  /* Especiales */
  --color-white: #ffffff;
  --color-black: #000000;
  
  /* ============================================
     ESPACIADO
     ============================================ */
  --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 */
  
  /* ============================================
     TIPOGRAFÍA
     ============================================ */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  
  /* Tamaños de fuente */
  --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 */
  
  /* Pesos de fuente */
  --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;
  
  /* ============================================
     BORDER RADIUS
     ============================================ */
  --radius-none: 0;
  --radius-sm: 0.125rem;   /* 2px */
  --radius-base: 0.25rem;  /* 4px */
  --radius-md: 0.375rem;   /* 6px */
  --radius-lg: 0.5rem;     /* 8px */
  --radius-xl: 0.75rem;    /* 12px */
  --radius-2xl: 1rem;      /* 16px */
  --radius-3xl: 1.5rem;    /* 24px */
  --radius-full: 9999px;
  
  /* ============================================
     SOMBRAS (SHADOWS)
     ============================================ */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-base: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);
  --shadow-none: 0 0 #0000;
  
  /* ============================================
     TRANSICIONES
     ============================================ */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slower: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Easings */
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  
  /* ============================================
     Z-INDEX
     ============================================ */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  --z-notification: 1080;
  
  /* ============================================
     BREAKPOINTS (para referencia en JS)
     ============================================ */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
  
  /* ============================================
     TAMAÑOS DE CONTENEDOR
     ============================================ */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;
  
  /* ============================================
     UTILIDADES
     ============================================ */
  --sidebar-width: 16rem;       /* 256px */
  --navbar-height: 4rem;        /* 64px */
  --border-width: 1px;
  --border-width-2: 2px;
  --border-width-4: 4px;
}

/* ============================================
   THEME COLORS - Aliases semánticos
   ============================================ */
:root {
  /* Colores principales */
  --color-primary: var(--color-primary-600);
  --color-primary-hover: var(--color-primary-700);
  --color-primary-light: var(--color-primary-50);
  
  --color-success: var(--color-success-600);
  --color-success-hover: var(--color-success-700);
  --color-success-light: var(--color-success-50);
  
  --color-warning: var(--color-warning-500);
  --color-warning-hover: var(--color-warning-600);
  --color-warning-light: var(--color-warning-50);
  
  --color-danger: var(--color-danger-600);
  --color-danger-hover: var(--color-danger-700);
  --color-danger-light: var(--color-danger-50);
  
  --color-info: var(--color-info-600);
  --color-info-hover: var(--color-info-700);
  --color-info-light: var(--color-info-50);
  
  /* Colores de texto */
  --text-color-primary: var(--color-gray-900);
  --text-color-secondary: var(--color-gray-600);
  --text-color-muted: var(--color-gray-500);
  --text-color-disabled: var(--color-gray-400);
  
  /* Colores de fondo */
  --bg-color: var(--color-white);
  --bg-color-secondary: var(--color-gray-50);
  --bg-color-tertiary: var(--color-gray-100);
  
  /* Colores de borde */
  --border-color: var(--color-gray-200);
  --border-color-dark: var(--color-gray-300);
  
  /* Colores de estado en inputs */
  --input-border: var(--color-gray-300);
  --input-border-focus: var(--color-primary-500);
  --input-border-error: var(--color-danger-500);
  --input-bg: var(--color-white);
  --input-bg-disabled: var(--color-gray-100);
}

/* ============================================
   RESET BÁSICO
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
}

/* ============================================
   UTILIDADES DE ANIMACIÓN
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes slideInRight {
  from { 
    transform: translateX(100%);
    opacity: 0;
  }
  to { 
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideInDown {
  from { 
    transform: translateY(-100%);
    opacity: 0;
  }
  to { 
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(-25%);
    animation-timing-function: cubic-bezier(0.8, 0, 1, 1);
  }
  50% {
    transform: translateY(0);
    animation-timing-function: cubic-bezier(0, 0, 0.2, 1);
  }
}