/* ============================================
   VARIABLES CORPORATIVAS
   ============================================ */
:root {
  /* Colores primarios */
  --color-primary: #667eea;
  --color-primary-dark: #5568d3;
  --color-primary-light: #7c8ef0;
  --color-secondary: #764ba2;
  --color-secondary-dark: #5d3a7e;
  --color-secondary-light: #8f5cc6;
  
  /* Colores de estado */
  --color-success: #10b981;
  --color-success-light: #d1fae5;
  --color-success-dark: #065f46;
  
  --color-danger: #ef4444;
  --color-danger-light: #fee2e2;
  --color-danger-dark: #991b1b;
  
  --color-warning: #f59e0b;
  --color-warning-light: #fffbeb;
  --color-warning-dark: #92400e;
  
  --color-info: #3b82f6;
  --color-info-light: #eff6ff;
  --color-info-dark: #1e40af;
  
  /* Colores de texto */
  --color-text-primary: #2d3748;
  --color-text-secondary: #4a5568;
  --color-text-muted: #718096;
  --color-text-light: #a0aec0;
  
  /* Colores de fondo */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8f9fa;
  --color-bg-light: #f7fafc;
  --color-bg-dark: #1a202c;
  
  /* Colores de bordes */
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;
  --color-border-dark: #cbd5e0;
  
  /* Colores de estados de tickets */
  --color-status-new: #0dcaf0;
  --color-status-triage: #6c757d;
  --color-status-approved: #198754;
  --color-status-in-progress: #0d6efd;
  --color-status-blocked: #dc3545;
  --color-status-review: #ffc107;
  --color-status-ready: #198754;
  --color-status-closed: #212529;
  --color-status-rejected: #dc3545;
  
  /* Espaciado */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  
  /* Bordes redondeados */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  
  /* 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);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* 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;
  --z-notification: 9999;
}

/* ============================================
   SCROLLBAR PERSONALIZADO
   ============================================ */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
  transition: width var(--transition-base), height var(--transition-base);
}

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

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: var(--radius-md);
  border: 2px solid var(--color-bg-secondary);
  transition: all var(--transition-base);
  cursor: pointer;
}

/* Hover en el thumb para ensanchar scrollbar */
::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-secondary-dark) 100%);
}

/* Hover en elementos con scroll para ensanchar scrollbar */
html:hover::-webkit-scrollbar,
body:hover::-webkit-scrollbar,
*:hover::-webkit-scrollbar {
  width: 14px;
  height: 14px;
}

html:hover::-webkit-scrollbar-thumb,
body:hover::-webkit-scrollbar-thumb,
*:hover::-webkit-scrollbar-thumb {
  border: 1px solid var(--color-bg-secondary);
}

/* Scrollbar para Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-primary) var(--color-bg-secondary);
}

html:hover,
body:hover,
*:hover {
  scrollbar-width: auto;
  scrollbar-color: var(--color-primary-dark) var(--color-bg-secondary);
}

/* ============================================
   ESTILOS GLOBALES
   ============================================ */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--color-text-primary);
  background-color: var(--color-bg-light);
}

.badge {
  font-weight: 500;
}

.table-hover tbody tr:hover {
  background-color: rgba(0, 0, 0, 0.02);
}

.card {
  border: none;
}

.navbar-brand {
  font-weight: 600;
}

/* ============================================
   HEADER STICKY CON TRANSICIÓN
   ============================================ */
#mainNavbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

#mainNavbar.scrolled {
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
  box-shadow: var(--shadow-lg);
}

#mainNavbar.scrolled .navbar-brand span {
  font-size: 1.1rem;
}

#mainNavbar.scrolled .btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
}

#mainNavbar.scrolled .navbar-brand i,
#mainNavbar.scrolled .navbar-brand img {
  height: 24px;
}

/* ============================================
   SISTEMA DE NOTIFICACIONES
   ============================================ */
.notification-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: var(--z-notification);
  max-width: 400px;
  width: 100%;
}

.notification {
  background: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: 16px 20px;
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  animation: slideInRight 0.3s ease-out;
  border-left: 4px solid;
  position: relative;
  overflow: hidden;
}

.notification::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: currentColor;
}

.notification.success {
  border-left-color: var(--color-success);
  color: var(--color-success-dark);
}

.notification.success .notification-icon {
  color: var(--color-success);
  background: var(--color-success-light);
}

.notification.error {
  border-left-color: var(--color-danger);
  color: var(--color-danger-dark);
}

.notification.error .notification-icon {
  color: var(--color-danger);
  background: var(--color-danger-light);
}

.notification.warning {
  border-left-color: var(--color-warning);
  color: var(--color-warning-dark);
}

.notification.warning .notification-icon {
  color: var(--color-warning);
  background: var(--color-warning-light);
}

.notification.info {
  border-left-color: var(--color-info);
  color: var(--color-info-dark);
}

.notification.info .notification-icon {
  color: var(--color-info);
  background: var(--color-info-light);
}

.notification-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
}

.notification-content {
  flex: 1;
  min-width: 0;
}

.notification-title {
  font-weight: 600;
  margin-bottom: 4px;
  font-size: 14px;
}

.notification-message {
  font-size: 13px;
  line-height: 1.4;
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOutRight {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

/* ============================================
   ALERTS MEJORADOS
   ============================================ */
.alert {
  border-radius: var(--radius-xl);
  border: none;
  border-left: 4px solid;
  padding: 14px 18px;
  box-shadow: var(--shadow-md);
}

.alert-danger {
  background-color: var(--color-danger-light);
  border-left-color: var(--color-danger);
  color: var(--color-danger-dark);
}

.alert-success {
  background-color: var(--color-success-light);
  border-left-color: var(--color-success);
  color: var(--color-success-dark);
}

.alert-warning {
  background-color: var(--color-warning-light);
  border-left-color: var(--color-warning);
  color: var(--color-warning-dark);
}

.alert-info {
  background-color: var(--color-info-light);
  border-left-color: var(--color-info);
  color: var(--color-info-dark);
}

.alert i {
  margin-right: 8px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .container-fluid {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }
  
  .table {
    font-size: 0.875rem;
  }
  
  .btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
  }
  
  .card-body {
    padding: 1rem;
  }
  
  .modal-dialog {
    margin: 0.5rem;
  }
  
  .navbar-brand span {
    display: none;
  }
  
  .notification-container {
    max-width: calc(100% - 1rem);
    right: 0.5rem;
    top: 0.5rem;
  }
}

@media (max-width: 576px) {
  h1, .h1 {
    font-size: 1.5rem;
  }
  
  h2, .h2 {
    font-size: 1.25rem;
  }
  
  h3, .h3 {
    font-size: 1.1rem;
  }
  
  .table-responsive {
    font-size: 0.8rem;
  }
  
  .btn-group {
    flex-direction: column;
  }
  
  .btn-group .btn {
    border-radius: var(--radius-sm) !important;
    margin-bottom: 0.25rem;
  }
}