/**
 * Sistema de Diseño Unificado - IESTP Tsamajain
 * Variables CSS y configuración base
 */

:root {
  /* ============================================
     PALETA DE COLORES INSTITUCIONAL
     ============================================ */
  
  /* Colores primarios - Azul corporativo profesional */
  --primary: #1e3a8a;
  --primary-dark: #1e40af;
  --primary-darker: #1e293b;
  --primary-light: #3b82f6;
  --primary-lighter: #60a5fa;
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  
  /* Colores secundarios */
  --secondary: #64748b;
  --secondary-dark: #475569;
  --secondary-light: #94a3b8;
  --secondary-50: #f8fafc;
  --secondary-100: #f1f5f9;
  
  /* Color de acento */
  --accent: #0ea5e9;
  --accent-dark: #0284c7;
  --accent-light: #38bdf8;
  
  /* Colores de estado */
  --success: #10b981;
  --success-dark: #059669;
  --success-light: #34d399;
  --success-50: #ecfdf5;
  
  --warning: #f59e0b;
  --warning-dark: #d97706;
  --warning-light: #fbbf24;
  --warning-50: #fffbeb;
  
  --danger: #ef4444;
  --danger-dark: #dc2626;
  --danger-light: #f87171;
  --danger-50: #fef2f2;
  
  --info: #06b6d4;
  --info-dark: #0891b2;
  --info-light: #22d3ee;
  --info-50: #ecfeff;
  
  /* Colores neutros */
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  
  /* Colores de texto */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-white: #ffffff;
  
  /* Colores de fondo */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-dark: #1e293b;
  --bg-darker: #0f172a;
  
  /* ============================================
     TIPOGRAFÍA
     ============================================ */
  
  --font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  --font-family-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', 'Fira Mono', 'Droid Sans Mono', 'Source Code Pro', monospace;
  
  /* Tamaños de fuente */
  --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-size-5xl: 3rem;        /* 48px */
  
  /* Pesos de fuente */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Altura de línea */
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* ============================================
     ESPACIADO
     ============================================ */
  
  --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 */
  --spacing-20: 5rem;     /* 80px */
  
  /* ============================================
     BORDES Y RADIOS
     ============================================ */
  
  --border-radius-sm: 0.375rem;   /* 6px */
  --border-radius-md: 0.5rem;     /* 8px */
  --border-radius-lg: 0.75rem;    /* 12px */
  --border-radius-xl: 1rem;        /* 16px */
  --border-radius-2xl: 1.5rem;     /* 24px */
  --border-radius-full: 9999px;
  
  --border-width: 1px;
  --border-width-2: 2px;
  --border-color: var(--gray-200);
  --border-color-dark: var(--gray-300);
  
  /* ============================================
     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), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  
  /* ============================================
     TRANSICIONES
     ============================================ */
  
  --transition-fast: 150ms ease-in-out;
  --transition-base: 200ms ease-in-out;
  --transition-slow: 300ms ease-in-out;
  --transition-slower: 500ms ease-in-out;
  
  /* ============================================
     Z-INDEX
     ============================================ */
  
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  
  /* ============================================
     BREAKPOINTS (para uso en media queries)
     ============================================ */
  
  --breakpoint-sm: 576px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 992px;
  --breakpoint-xl: 1200px;
  --breakpoint-2xl: 1400px;
}

/* ============================================
   APLICACIÓN GLOBAL
   ============================================ */

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Override Bootstrap primary color */
:root {
  --bs-primary: var(--primary);
  --bs-primary-rgb: 30, 58, 138;
  --bs-secondary: var(--secondary);
  --bs-success: var(--success);
  --bs-warning: var(--warning);
  --bs-danger: var(--danger);
  --bs-info: var(--info);
}