/**
 * 🎨 Pulso Dashboard - Global Styles
 * Estilos globales y variables CSS customizadas
 */

@import "tailwindcss";

/* ==================================================
   🌐 VARIABLES GLOBALES Y TOKENS DE DISEÑO
   ================================================== */

:root {
  /* Colores principales */
  --color-primary: #007bff;
  --color-primary-dark: #0056b3;
  --color-secondary: #6c757d;
  --color-success: #28a745;
  --color-danger: #dc3545;
  --color-warning: #ffc107;
  --color-info: #17a2b8;
  --color-light: #f8f9fa;
  --color-dark: #343a40;

  /* Telefónica Brand Colors */
  --telefonica-blue: #0066cc;
  --telefonica-blue-dark: #004c99;
  --telefonica-green: #5eb200;
  --telefonica-gray: #666666;
  --telefonica-light-gray: #f5f5f5;

  /* Tipografía */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;

  /* Espaciado */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;

  /* Bordes y sombras */
  --border-radius: 0.375rem;
  --border-radius-lg: 0.5rem;
  --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 0 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);

  /* Transiciones */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
}

/* ==================================================
   🎯 RESET Y CONFIGURACIÓN BASE
   ================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-family: var(--font-family-primary);
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family-primary);
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-dark);
  background-color: var(--color-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==================================================
   🧩 COMPONENTES GLOBALES
   ================================================== */

/* Loading Spinner */
.loading-spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--color-light);
  border-top: 2px solid var(--telefonica-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Error States */
.error-message {
  color: var(--color-danger);
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
}

.error-boundary {
  padding: var(--spacing-xl);
  text-align: center;
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--border-radius);
  color: #991b1b;
}

/* ==================================================
   📊 DASHBOARD ESPECÍFICO
   ================================================== */

/* KPI Cards */
.kpi-card {
  background: white;
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.kpi-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--telefonica-blue);
  line-height: 1.2;
}

.kpi-label {
  font-size: 0.875rem;
  color: var(--telefonica-gray);
  margin-top: var(--spacing-xs);
}

.kpi-change {
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: var(--spacing-xs);
}

.kpi-change.positive {
  color: var(--color-success);
}

.kpi-change.negative {
  color: var(--color-danger);
}

/* ==================================================
   📈 CHARTS Y VISUALIZACIONES
   ================================================== */

.chart-container {
  background: white;
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow);
  margin-bottom: var(--spacing-lg);
}

.chart-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: var(--spacing-md);
}

.chart-subtitle {
  font-size: 0.875rem;
  color: var(--telefonica-gray);
  margin-bottom: var(--spacing-lg);
}

/* ==================================================
   🔧 FORMULARIOS Y CONTROLES
   ================================================== */

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-dark);
  margin-bottom: var(--spacing-xs);
}

.form-input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--telefonica-blue);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-input.error {
  border-color: var(--color-danger);
}

.form-input.error:focus {
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

/* ==================================================
   🏷️ BADGES Y ESTADOS
   ================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 9999px;
  line-height: 1;
}

.badge.success {
  background-color: #dcfce7;
  color: #166534;
}

.badge.warning {
  background-color: #fef3c7;
  color: #92400e;
}

.badge.danger {
  background-color: #fee2e2;
  color: #991b1b;
}

.badge.info {
  background-color: #dbeafe;
  color: #1e40af;
}

/* ==================================================
   📱 RESPONSIVE DESIGN
   ================================================== */

/* Mobile First Approach */
@media (max-width: 640px) {
  .kpi-value {
    font-size: 1.5rem;
  }
  
  .chart-container {
    padding: var(--spacing-md);
  }
  
  .kpi-card {
    padding: var(--spacing-md);
  }
}

/* Tablet */
@media (min-width: 768px) {
  body {
    font-size: 16px;
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .chart-container {
    padding: var(--spacing-xl);
  }
}

/* ==================================================
   🎨 TEMA OSCURO (FUTURO)
   ================================================== */

@media (prefers-color-scheme: dark) {
  [data-theme="auto"] {
    /* Variables para tema oscuro - implementar en futuras versiones */
    --color-light: #1f2937;
    --color-dark: #f9fafb;
    --telefonica-light-gray: #374151;
  }
}

/* ==================================================
   🔍 ACCESSIBILITY
   ================================================== */

/* Focus styles for keyboard navigation */
.focus\:outline-none:focus {
  outline: 2px solid transparent;
  outline-offset: 2px;
}

.focus\:ring:focus {
  outline: 2px solid transparent;
  outline-offset: 2px;
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.5);
}

/* Reduced motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .kpi-card {
    border: 2px solid var(--color-dark);
  }
  
  .form-input {
    border-width: 2px;
  }
}

/* ==================================================
   🖨️ PRINT STYLES
   ================================================== */

@media print {
  .no-print {
    display: none !important;
  }
  
  .chart-container {
    box-shadow: none;
    border: 1px solid #ccc;
  }
  
  body {
    background: white;
    color: black;
  }
}