/* ============================================
   SISTEMA DE DISEÑO - VARIABLES Y BASE
   Telegram Mini App Style 2026
   ============================================ */

:root {
  /* Paleta de Colores Personalizada */
  --color-1: #0ecc8d;
  --color-2: #42f9d1;
  --color-3: #12946c;
  --color-4: #717581;
  --color-5: #bcbcc3;
  --color-6: #343c54;
  
  /* Colores Primarios */
  --color-primary: #0ecc8d;
  --color-primary-dark: #12946c;
  --color-primary-light: #42f9d1;
  
  --color-secondary: #343c54;
  --color-secondary-dark: #2a3142;
  --color-secondary-light: #4a5268;
  
  /* Colores de Estado */
  --color-success: #22C55E;
  --color-success-dark: #16A34A;
  --color-warning: #F59E0B;
  --color-warning-dark: #D97706;
  --color-danger: #EF4444;
  --color-danger-dark: #DC2626;
  --color-info: #3B82F6;
  
  /* Colores Neutros */
  --color-bg-primary: #FFFFFF;
  --color-bg-secondary: #F9FAFB;
  --color-bg-tertiary: #F3F4F6;
  --color-surface: #FFFFFF;
  --color-surface-elevated: #FFFFFF;
  
  --color-text-primary: #1A1A1A;
  --color-text-secondary: #6B7280;
  --color-text-tertiary: #9CA3AF;
  --color-text-inverse: #FFFFFF;
  
  --color-border: #E5E7EB;
  --color-border-light: #F3F4F6;
  --color-border-dark: #D1D5DB;
  
  /* Gradientes */
  --gradient-primary: linear-gradient(135deg, #0088CC 0%, #55AD9B 100%);
  --gradient-hero: linear-gradient(135deg, #95D2B3 0%, #55AD9B 50%, #95D2B3 100%);
  --gradient-card: linear-gradient(135deg, #F9FAFB 0%, #FFFFFF 100%);
  --gradient-overlay: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.1) 100%);
  
  /* 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);
  
  /* Tipografía */
  --font-family-base: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 28px;
  --font-size-4xl: 32px;
  --font-size-5xl: 48px;
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* Espaciado (8px Grid System) */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  
  /* Bordes */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;
  
  /* Transiciones */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
  
  /* 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;
}

/* Dark Mode Support (preparado para futuro) */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg-primary: #1A1A1A;
    --color-bg-secondary: #242424;
    --color-bg-tertiary: #2C2C2C;
    --color-surface: #242424;
    --color-surface-elevated: #2C2C2C;
    
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #A1A1AA;
    --color-text-tertiary: #71717A;
    
    --color-border: #3F3F46;
    --color-border-light: #2C2C2C;
    --color-border-dark: #52525B;
  }
}

/* Reset y Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-secondary);
  overflow-x: hidden;
}

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
  text-decoration: none;
}

/* Scrollbar Personalizado */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border-dark);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-tertiary);
}

/* Selección de texto */
::selection {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

/* Focus visible para accesibilidad */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Imágenes responsivas */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Utilidades de contenedor */
.container-fluid {
  width: 100%;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

@media (min-width: 768px) {
  .container-fluid {
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
  }
}

@media (min-width: 1024px) {
  .container-fluid {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
  }
}