/* ========================================
   SISTEMA DE CÓDIGOS - DISEÑO MODERNO
   Archivo: styles/modern_global.css
   ======================================== */

/* Importar fuentes modernas */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@300;400;500;600;700&display=swap');

/* Variables CSS globales */
:root {
  /* Gradientes principales */
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --warning-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --dark-gradient: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 50%, #16213e 100%);
  
  /* Colores sólidos */
  --primary-color: #6366f1;
  --secondary-color: #8b5cf6;
  --accent-color: #06b6d4;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  --info-color: #06b6d4;
  
  /* Colores de texto */
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.8);
  --text-muted: rgba(255, 255, 255, 0.6);
  --text-dark: #1a1a2e;
  
  /* Fondos */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: rgba(255, 255, 255, 0.1);
  --bg-glass: rgba(255, 255, 255, 0.1);
  --bg-overlay: rgba(0, 0, 0, 0.8);
  
  /* Bordes */
  --border-color: rgba(255, 255, 255, 0.1);
  --border-hover: rgba(255, 255, 255, 0.2);
  --border-focus: rgba(99, 102, 241, 0.5);
  
  /* Sombras */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(102, 126, 234, 0.3);
  --shadow-glow-strong: 0 0 40px rgba(102, 126, 234, 0.5);
  
  /* Espaciado */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Tamaños de fuente */
  --font-xs: 0.75rem;
  --font-sm: 0.875rem;
  --font-base: 1rem;
  --font-lg: 1.125rem;
  --font-xl: 1.25rem;
  --font-2xl: 1.5rem;
  --font-3xl: 1.875rem;
  --font-4xl: 2.25rem;
  
  /* Radio de bordes */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;
  
  /* Transiciones */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--dark-gradient);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Fondo animado base */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: -2;
  animation: backgroundPulse 8s ease-in-out infinite alternate;
}

@keyframes backgroundPulse {
  0% {
    opacity: 0.3;
    transform: scale(1);
  }
  100% {
    opacity: 0.7;
    transform: scale(1.05);
  }
}

/* Utilidades de diseño */
.glass-effect {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
}

.text-gradient {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.shadow-glow {
  box-shadow: var(--shadow-glow);
}

.transition-base {
  transition: all var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-2px);
}

.hover-scale:hover {
  transform: scale(1.05);
}

/* Animaciones de entrada */
.fade-in {
  animation: fadeIn 0.6s ease;
}

.slide-up {
  animation: slideUp 0.6s ease;
}

.slide-down {
  animation: slideDown 0.6s ease;
}

.scale-in {
  animation: scaleIn 0.4s ease;
}

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

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Partículas flotantes globales */
.floating-particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(102, 126, 234, 0.6);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

.particle:nth-child(1) {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
  animation-duration: 8s;
}

.particle:nth-child(2) {
  top: 60%;
  right: 10%;
  animation-delay: 2s;
  animation-duration: 10s;
}

.particle:nth-child(3) {
  bottom: 20%;
  left: 20%;
  animation-delay: 4s;
  animation-duration: 12s;
}

.particle:nth-child(4) {
  top: 40%;
  right: 30%;
  animation-delay: 1s;
  animation-duration: 9s;
}

.particle:nth-child(5) {
  bottom: 40%;
  left: 60%;
  animation-delay: 3s;
  animation-duration: 11s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
    opacity: 0.6;
  }
  25% {
    transform: translateY(-20px) rotate(90deg);
    opacity: 1;
  }
  50% {
    transform: translateY(-40px) rotate(180deg);
    opacity: 0.8;
  }
  75% {
    transform: translateY(-20px) rotate(270deg);
    opacity: 1;
  }
}

/* Elementos de carga */
.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 1s ease-in-out infinite;
}

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

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

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-gradient);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--secondary-gradient);
}

/* Responsive breakpoints */
@media (max-width: 1200px) {
  :root {
    --spacing-xl: 1.5rem;
    --spacing-2xl: 2rem;
  }
}

@media (max-width: 768px) {
  :root {
    --font-xs: 0.7rem;
    --font-sm: 0.8rem;
    --font-base: 0.9rem;
    --font-lg: 1rem;
    --font-xl: 1.1rem;
    --font-2xl: 1.3rem;
    --font-3xl: 1.6rem;
    --font-4xl: 2rem;
    
    --spacing-lg: 1rem;
    --spacing-xl: 1.25rem;
    --spacing-2xl: 1.5rem;
  }
  
  body::before {
    animation-duration: 6s;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-md: 0.75rem;
    --spacing-lg: 1rem;
    --spacing-xl: 1rem;
    --spacing-2xl: 1.25rem;
  }
}

/* Accesibilidad */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  body::before {
    animation: none;
  }
  
  .particle {
    animation: none;
  }
}

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

/* Selección de texto */
::selection {
  background: rgba(102, 126, 234, 0.3);
  color: var(--text-primary);
}