/**
 * ORION - Tema Claro Profesional
 * Basado en ISP CRM + Identidad TELNET
 * Paleta: Blanco/Gris + Azul + Amarillo TELNET
 * 
 * REFACTORIZADO: 31 Diciembre 2025
 * - Importa variables CSS centralizadas (orion-variables.css)
 * - Importa utilidades reutilizables (orion-utilities.css)
 */

/* Importar variables centralizadas */
@import url('orion-variables.css');
@import url('orion-utilities.css');

:root {
  /* Colores Principales - B/N (Negro y Grises) */
  --primary: #000000;           /* Negro - Principal */
  --primary-dark: #000000;      /* Negro - Hover */
  --primary-light: #333333;     /* Gris oscuro - Backgrounds */
  
  --secondary: #666666;         /* Gris - Secundario */
  --secondary-dark: #444444;    /* Gris oscuro - Hover */
  --secondary-light: #888888;   /* Gris claro - Backgrounds */
  
  --success: #2D2D2D;           /* Gris oscuro - Éxito */
  --success-light: #E8E8E8;     /* Gris muy claro - Backgrounds */
  
  --danger: #1A1A1A;            /* Negro suave - Error */
  --danger-light: #CCCCCC;      /* Gris claro - Backgrounds */
  
  --warning: #555555;           /* Gris medio - Advertencia */
  --warning-light: #D0D0D0;     /* Gris claro - Backgrounds */
  
  --info: #444444;              /* Gris medio oscuro - Información */
  --info-light: #E0E0E0;        /* Gris claro - Backgrounds */
  
  /* Escala de Grises */
  --gray-50: #F9FAFB;           /* Fondo general */
  --gray-100: #F3F4F6;          /* Fondo alternativo, hover */
  --gray-200: #E5E7EB;          /* Bordes */
  --gray-300: #D1D5DB;          /* Divisores */
  --gray-400: #9CA3AF;          /* Placeholder */
  --gray-500: #6B7280;          /* Texto secundario */
  --gray-600: #4B5563;          /* Texto terciario */
  --gray-700: #374151;          /* Texto secundario oscuro */
  --gray-800: #1F2937;          /* Texto principal */
  --gray-900: #111827;          /* Texto enfático */
  
  /* Backgrounds */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F9FAFB;
  --bg-tertiary: #F3F4F6;
  
  /* Sombras */
  --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-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);
  
  /* Bordes */
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  --border-radius-full: 9999px;
  
  /* Transiciones */
  --transition: all 0.2s ease-in-out;
  --transition-fast: all 0.1s ease-in-out;
  --transition-slow: all 0.3s ease-in-out;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  background-color: var(--bg-secondary);
  color: var(--gray-800);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Sidebar Rediseñado - Blanco */
.sidebar {
  background-color: var(--bg-primary) !important;
  border-right: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  width: 260px;
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  overflow-y: auto;
  z-index: 1000;
}

.sidebar .logo {
  padding: 24px 20px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar .logo-icon {
  width: 40px;
  height: 40px;
  background-color: var(--secondary);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.sidebar .logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
}

.sidebar .logo-subtitle {
  font-size: 11px;
  color: var(--gray-500);
  margin-top: -4px;
}

.sidebar .nav-section {
  padding: 20px 12px 8px 12px;
}

.sidebar .nav-section-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0 12px 8px 12px;
}

.sidebar .nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  margin-bottom: 4px;
  border-radius: var(--border-radius);
  color: var(--gray-700);
  text-decoration: none;
  transition: var(--transition);
  font-size: 14px;
  font-weight: 500;
}

.sidebar .nav-item i {
  font-size: 18px;
  width: 20px;
  text-align: center;
  color: var(--gray-600);
  transition: var(--transition);
}

.sidebar .nav-item:hover {
  background-color: var(--gray-100);
  color: var(--gray-900);
}

.sidebar .nav-item:hover i {
  color: var(--primary);
}

.sidebar .nav-item.active {
  background-color: var(--primary-light);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(59, 130, 246, 0.05) 100%);
  color: var(--primary);
  font-weight: 600;
}

.sidebar .nav-item.active i {
  color: var(--primary);
}

/* Main Content */
.main-content {
  margin-left: 260px;
  min-height: 100vh;
  background-color: var(--bg-secondary);
  padding: 24px;
}

/* Header */
.page-header {
  background-color: var(--bg-primary);
  padding: 24px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 4px;
}

.page-subtitle {
  font-size: 14px;
  color: var(--gray-500);
}

/* Cards */
.card {
  background-color: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  padding: 24px;
  margin-bottom: 24px;
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-200);
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-900);
}

.card-body {
  padding: 0;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--border-radius);
  font-size: 14px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  justify-content: center;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--gray-200);
  color: var(--gray-700);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--gray-300);
}

.btn-success {
  background-color: var(--success);
  color: white;
}

.btn-success:hover:not(:disabled) {
  background-color: #059669;
}

.btn-danger {
  background-color: var(--danger);
  color: white;
}

.btn-danger:hover:not(:disabled) {
  background-color: #DC2626;
}

.btn-warning {
  background-color: var(--warning);
  color: white;
}

.btn-warning:hover:not(:disabled) {
  background-color: #D97706;
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--gray-300);
  color: var(--gray-700);
}

.btn-outline:hover:not(:disabled) {
  background-color: var(--gray-100);
  border-color: var(--gray-400);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 16px;
}

/* Inputs */
.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius);
  font-size: 14px;
  color: var(--gray-900);
  background-color: var(--bg-primary);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-control::placeholder {
  color: var(--gray-400);
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-hint {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 4px;
}

/* Tablas */
.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.table thead {
  background-color: var(--gray-50);
}

.table th {
  padding: 12px 16px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-700);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--gray-200);
}

.table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--gray-200);
  font-size: 14px;
  color: var(--gray-800);
}

.table tbody tr {
  transition: var(--transition-fast);
}

.table tbody tr:hover {
  background-color: var(--gray-50);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--border-radius-full);
  font-size: 12px;
  font-weight: 500;
}

.badge-success {
  background-color: var(--success-light);
  color: #065F46;
}

.badge-danger {
  background-color: var(--danger-light);
  color: #991B1B;
}

.badge-warning {
  background-color: var(--warning-light);
  color: #92400E;
}

.badge-info {
  background-color: var(--info-light);
  color: #1E40AF;
}

.badge-gray {
  background-color: var(--gray-200);
  color: var(--gray-700);
}

/* Modales */
.modal-content {
  border-radius: var(--border-radius-lg);
  border: none;
  box-shadow: var(--shadow-xl);
}

.modal-header {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--gray-200);
  padding: 20px 24px;
}

.modal-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-900);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  background-color: var(--gray-50);
  border-top: 1px solid var(--gray-200);
  padding: 16px 24px;
}

/* Alerts */
.alert {
  padding: 16px 20px;
  border-radius: var(--border-radius);
  border-left: 4px solid;
  margin-bottom: 16px;
}

.alert-success {
  background-color: var(--success-light);
  border-color: var(--success);
  color: #065F46;
}

.alert-danger {
  background-color: var(--danger-light);
  border-color: var(--danger);
  color: #991B1B;
}

.alert-warning {
  background-color: var(--warning-light);
  border-color: var(--warning);
  color: #92400E;
}

.alert-info {
  background-color: var(--info-light);
  border-color: var(--info);
  color: #1E40AF;
}

/* Tabs */
.nav-tabs {
  border-bottom: 1px solid var(--gray-200);
  margin-bottom: 24px;
  display: flex;
  gap: 4px;
}

.nav-tabs .nav-link {
  padding: 12px 20px;
  border: none;
  background: transparent;
  color: var(--gray-600);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}

.nav-tabs .nav-link:hover {
  color: var(--gray-900);
  border-bottom-color: var(--gray-300);
}

.nav-tabs .nav-link.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* Loading */
.spinner {
  border: 3px solid var(--gray-200);
  border-top: 3px solid var(--primary);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}

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

/* Utilidades */
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-gray { color: var(--gray-600); }
.text-muted { color: var(--gray-500); }

.bg-primary { background-color: var(--primary); }
.bg-success { background-color: var(--success); }
.bg-danger { background-color: var(--danger); }
.bg-warning { background-color: var(--warning); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.show {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }
}