/* ===================================
   MODERNIZACIÓN DE SIDEBAR BOOTSTRAP 3 → 5
   ================================= */

/* Contenedor principal del sidebar */
.sidebar-nav {
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
  border: 1px solid #dee2e6;
  border-radius: 0.5rem;
  box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  margin-bottom: 1rem;
  padding: 0;
  min-height: 300px;
}

/* Navbar del sidebar */
.navbar-default-menu_lateral-ads {
  background: none !important;
  border: none !important;
  margin-bottom: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
}

/* Header del sidebar */
.navbar-header-ads {
  background: linear-gradient(135deg, #373A46 0%, #3351A6 50%, #A0293E 100%);
  color: white;
  padding: 1rem;
  border-radius: 0.5rem 0.5rem 0 0;
  border-bottom: 1px solid #dee2e6;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-header-ads .navbar-brand {
  color: white !important;
  font-weight: 600;
  margin: 0;
  padding: 0;
}

/* Botón toggle del sidebar */
.sidebar-nav .navbar-toggle {
  border: 2px solid rgba(255, 255, 255, 0.3);
  background-color: rgba(255, 255, 255, 0.1);
  margin: 0;
  padding: 8px 12px;
}

.sidebar-nav .navbar-toggle:hover,
.sidebar-nav .navbar-toggle:focus {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

.sidebar-nav .navbar-toggle .icon-bar {
  background-color: white;
  width: 22px;
  height: 2px;
  border-radius: 1px;
}

/* Colapso del sidebar */
.sidebar-navbar-collapse {
  padding: 0;
  background: transparent;
}

/* Lista de navegación del sidebar */
.sidebar-nav .nav.navbar-nav {
  margin: 0;
  padding: 0;
  width: 100%;
  flex-direction: column;
}

.sidebar-nav .nav.navbar-nav > li {
  width: 100%;
  border-bottom: 1px solid #f1f3f4;
  margin: 0;
}

.sidebar-nav .nav.navbar-nav > li:last-child {
  border-bottom: none;
}

/* Enlaces del sidebar */
.sidebar-nav .nav.navbar-nav > li > a {
  display: block;
  padding: 1rem 1.25rem;
  color: #495057 !important;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  border-radius: 0;
  position: relative;
  overflow: hidden;
}

.sidebar-nav .nav.navbar-nav > li > a:hover {
  background: linear-gradient(135deg, rgba(139, 21, 56, 0.1) 0%, rgba(160, 41, 62, 0.1) 100%);
  color: #3351A6 !important;
  transform: translateX(5px);
  box-shadow: inset 3px 0 0 #3351A6;
}

/* Estado activo */
.sidebar-nav .nav.navbar-nav > li > a.active,
.sidebar-nav .nav.navbar-nav > li > a.adn-subaction-selected {
  background: linear-gradient(135deg, #373A46 0%, #3351A6 50%, #A0293E 100%) !important;
  color: white !important;
  font-weight: 600;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.sidebar-nav .nav.navbar-nav > li > a.active::before,
.sidebar-nav .nav.navbar-nav > li > a.adn-subaction-selected::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: white;
  border-radius: 0 2px 2px 0;
}

/* Iconos en el sidebar */
.sidebar-nav .nav.navbar-nav > li > a i {
  margin-right: 0.75rem;
  width: 16px;
  text-align: center;
}

/* Badges/contadores */
.sidebar-nav .nav.navbar-nav > li > a .badge {
  background: var(--danger-color, #e74c3c);
  color: white;
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 10px;
  float: right;
  margin-top: 2px;
}

/* Responsivo */
@media (max-width: 768px) {
  .sidebar-nav {
    margin-bottom: 0.5rem;
  }
  
  .navbar-header-ads {
    padding: 0.75rem;
  }
  
  .sidebar-nav .nav.navbar-nav > li > a {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
  }
  
  .sidebar-nav .navbar-toggle {
    display: block !important;
    float: right;
  }
  
  .sidebar-navbar-collapse {
    display: none;
  }
  
  .sidebar-navbar-collapse.in {
    display: block !important;
  }
}

@media (min-width: 768px) {
  .sidebar-nav .navbar-toggle {
    display: none !important;
  }
  
  .sidebar-navbar-collapse {
    display: block !important;
  }
}

/* Ajustes para columnas Bootstrap */
.col-sm-2 .sidebar-nav {
  position: sticky;
  top: 90px;
  z-index: 100;
}

/* Efectos de animación */
.sidebar-nav .nav.navbar-nav > li > a {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-nav .nav.navbar-nav > li:hover > a {
  transform: translateX(3px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Personalización por secciones */
.sidebar-nav[data-section="candidatos"] .navbar-header-ads {
  background: linear-gradient(135deg, #373A46 0%, #6C1E32 100%);
}

.sidebar-nav[data-section="clientes"] .navbar-header-ads {
  background: linear-gradient(135deg, #3351A6 0%, #A0293E 100%);
}

.sidebar-nav[data-section="ejecutivos"] .navbar-header-ads {
  background: linear-gradient(135deg, #6C757D 0%, #495057 100%);
}

.sidebar-nav[data-section="requisiciones"] .navbar-header-ads {
  background: linear-gradient(135deg, #C73E1D 0%, #B8241F 100%);
}

.sidebar-nav[data-section="usuarios"] .navbar-header-ads {
  background: linear-gradient(135deg, #343A40 0%, #495057 100%);
}