/* ============================================
   SISTEMA DE TIPOGRAFÍA - Segoe UI
   ============================================
   
   Jerarquía tipográfica:
   - Segoe UI Bold (700):    Títulos principales (h1, navbar-brand, hero-title)
   - Segoe UI Semibold (600): Subtítulos (h2-h6), botones, badges, labels
   - Segoe UI Regular (400):  Texto de párrafos, inputs, contenido general
   
   Fallbacks: -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif
   ============================================ */

/* ============================================
   VARIABLES DE DISEÑO UNIFICADO - Sistema Minimalista
   ============================================ */
:root {
  /* Colores Principales - Reducidos al mínimo */
  --primary-color: #1B396A;
  --primary-dark: #142c54;
  --primary-light: #2a4d87;
  --primary-lighter: #e9e6ef;
  
  /* Colores Funcionales - Solo estados académicos */
  --success-color: #198754;      /* Aprobado */
  --warning-color: #f39c12;      /* En riesgo */
  --danger-color: #dc3545;       /* Reprobado */
  
  /* Colores Neutros - Estructura y textos */
  --neutral-50: #f8f9fa;
  --neutral-100: #e9ecef;
  --neutral-200: #dee2e6;
  --neutral-300: #ced4da;
  --neutral-400: #adb5bd;
  --neutral-500: #6c757d;
  --neutral-600: #495057;
  --neutral-700: #343a40;
  --neutral-800: #212529;
  
  /* Alias para compatibilidad */
  --light-bg: var(--neutral-50);
  --border-color: var(--neutral-200);
  --text-primary: var(--neutral-800);
  --text-secondary: var(--neutral-500);
  
  /* Sombras Unificadas */
  --shadow-xs: 0 1px 2px rgba(27, 57, 106, 0.08);
  --shadow-sm: 0 2px 4px rgba(27, 57, 106, 0.1);
  --shadow-md: 0 4px 6px rgba(27, 57, 106, 0.15);
  --shadow-lg: 0 8px 16px rgba(27, 57, 106, 0.2);
  
  /* Espaciado Consistente */
  --spacing-xs: 0.25rem;   /* 4px */
  --spacing-sm: 0.5rem;    /* 8px */
  --spacing-md: 1rem;      /* 16px */
  --spacing-lg: 1.5rem;    /* 24px */
  --spacing-xl: 2rem;      /* 32px */
  
  /* Bordes Unificados */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
  
  /* Transiciones Consistentes */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

/* ============================================
   ESTILOS GLOBALES
   ============================================ */
body {
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
  font-weight: 400;
  color: var(--text-primary);
  background-color: var(--light-bg);
  line-height: 1.5;
}

/* Títulos con Segoe UI Semibold */
h1, h2, h3, h4, h5, h6 {
  font-family: "Segoe UI Semibold", "Segoe UI", sans-serif;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

/* Párrafos con Segoe UI Regular */
p {
  font-family: "Segoe UI", sans-serif;
  font-weight: 400;
  line-height: 1.6;
}

/* Etiquetas de formularios con Segoe UI Semibold */
label, .form-label {
  font-family: "Segoe UI Semibold", "Segoe UI", sans-serif;
  font-weight: 600;
  color: var(--text-primary);
}

/* Elementos de entrada con Segoe UI Regular */
input, textarea, select {
  font-family: "Segoe UI", sans-serif;
  font-weight: 400;
}

/* Texto secundario con Segoe UI Regular ligero */
.text-muted, .text-secondary {
  font-family: "Segoe UI", sans-serif;
  font-weight: 400;
}

/* ============================================
   LAYOUT RESPONSIVO PERSONALIZADO
   ============================================ */
.main-content {
  width: 100%;
  padding-left: 1rem;
  padding-right: 1rem;
}

/* Reducir padding en móviles para aprovechar espacio */
@media (max-width: 768px) {
  .main-content {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }
}

@media (max-width: 576px) {
  .main-content {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }
}

/* Páginas con poco contenido: limitar ancho y centrar */
body.narrow-page .main-content {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}
/* Página de inicio: sin padding lateral para que el hero cubra ancho completo */
body.home-page .main-content {
  padding-left: 0 !important;
  padding-right: 0 !important;
  padding-top: 0 !important;
  padding-bottom: 0 !important;
}
/* Variante para páginas muy minimalistas (login, selección) */
body.narrow-page .main-content.narrower,
body.narrower-page .main-content { /* alias */
  max-width: 720px;
}

/* Wrapper de mensajes flash en páginas estrechas */
.flash-wrapper {
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 992px) {
  body.narrow-page .main-content { max-width: 85%; }
  body.narrow-page .main-content.narrower { max-width: 82%; }
}
@media (max-width: 768px) {
  body.narrow-page .main-content { max-width: 90%; }
  body.narrow-page .main-content.narrower { max-width: 88%; }
}
@media (max-width: 576px) {
  body.narrow-page .main-content { max-width: 92%; }
  body.narrow-page .main-content.narrower { max-width: 90%; }
}

/* Utilidades */
.overflow-x-auto { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.truncate { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ============================================
   MODO DENSO PARA ESCRITORIO (información masiva)
   Aplicar en vistas con tablas extensas: subject, users, resumen, live_grading_view
   ============================================ */
@media (min-width: 1200px) {
  body.dense-desktop .card-body { padding: 0.75rem 1rem; }
  body.dense-desktop .card-header { padding: 0.6rem 0.9rem; }
  body.dense-desktop .card-footer { padding: 0.6rem 0.9rem; }
  body.dense-desktop .table th,
  body.dense-desktop .table td { padding: 0.45rem 0.5rem; }
  body.dense-desktop .btn.btn-sm { padding: 0.25rem 0.5rem; font-size: 0.82rem; }
  body.dense-desktop .form-control.form-control-sm,
  body.dense-desktop .form-select.form-select-sm { padding: 0.25rem 0.5rem; }
}

/* Ajustes de tablas muy anchas en móviles */
@media (max-width: 768px) {
  .table-responsive > table { font-size: 0.78rem; }
  .table-responsive th { white-space: nowrap; }
  .table-responsive td { white-space: nowrap; }
}
@media (max-width: 576px) {
  .table-responsive > table { font-size: 0.72rem; }
  .table-responsive caption { font-size: 0.7rem; }
  .points-col { font-size: 0.7rem; }
  .btn-group.btn-group-sm .btn { padding: 0.25rem 0.4rem; }
}

/* Contenedores internos en listas de selección (live grading) */
@media (max-width: 576px) {
  .student-name { max-width: 200px !important; }
}

/* ============================================
   NAVEGACIÓN
   ============================================ */
.navbar {
  background: var(--primary-color) !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--primary-dark);
}

.navbar-brand {
  font-family: "Segoe UI Bold", "Segoe UI", sans-serif;
  color: white !important;
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.3px;
}

.navbar .btn {
  transition: all 0.3s ease;
}

/* Botones claros dentro del navbar (texto azul para legibilidad) */
.navbar .btn-light {
  font-family: "Segoe UI Semibold", "Segoe UI", sans-serif;
  background-color: #ffffff;
  color: var(--primary-color);
  border-color: #ffffff;
  font-weight: 600;
}
.navbar .btn-light:hover {
  background-color: #e9ecef;
  color: var(--primary-dark);
  border-color: #e9ecef;
}

/* Botones outline claros dentro del navbar con mejor contraste */
.navbar .btn-outline-light {
  font-family: "Segoe UI", sans-serif;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
}
.navbar .btn-outline-light:hover {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: #ffffff;
  color: #ffffff;
}

/* Badge en navbar con shadow para destacar */
.navbar .badge {
  font-weight: 700;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

/* Ajustes del toggler (icono hamburguesa visible en fondo oscuro) */
.navbar .navbar-toggler {
  border-color: rgba(255, 255, 255, 0.3);
}
.navbar .navbar-toggler:focus {
  box-shadow: 0 0 0 0.15rem rgba(255,255,255,.35);
}

.navbar .text-muted {
  color: rgba(255, 255, 255, 0.8) !important;
  font-size: 0.9rem;
}

/* ============================================
   TARJETAS - Sistema Unificado
   ============================================ */
.card {
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  margin-bottom: var(--spacing-lg);
  background-color: #ffffff;
}

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

.card-header {
  font-family: "Segoe UI Semibold", "Segoe UI", sans-serif;
  background-color: var(--neutral-100);
  color: var(--text-primary);
  border-bottom: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
  padding: var(--spacing-md) var(--spacing-lg);
  font-weight: 600;
}

.card-header strong {
  font-family: "Segoe UI Bold", "Segoe UI", sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
}

.card-body {
  padding: var(--spacing-lg);
}

.card-footer {
  background-color: var(--neutral-50);
  border-top: 1px solid var(--neutral-200);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  padding: var(--spacing-md) var(--spacing-lg);
}

/* Ajustes responsivos para cards */
@media (max-width: 768px) {
  .card {
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-md);
  }
  
  .card-header {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md) var(--radius-md) 0 0 !important;
  }
  
  .card-header strong {
    font-size: 1rem;
  }
  
  .card-body {
    padding: var(--spacing-md);
  }
  
  .card-footer {
    padding: var(--spacing-sm) var(--spacing-md);
  }
}

@media (max-width: 576px) {
  .card {
    border-radius: var(--radius-sm);
  }
  
  .card-header {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0 !important;
    font-size: 0.95rem;
  }
  
  .card-body {
    padding: 0.85rem;
  }
  
  .card-footer {
    padding: 0.6rem 0.85rem;
  }
}

/* ============================================
   BOTONES - Sistema Unificado Minimalista
   ============================================ */
.btn {
  font-family: "Segoe UI Semibold", "Segoe UI", sans-serif;
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  font-weight: 500;
  font-size: 0.9375rem;
  line-height: 1.5;
  transition: all var(--transition-base);
  border: 1px solid transparent;
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: none;
}

/* Botón Principal */
.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: #ffffff;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #ffffff;
}

/* Botón Outline Principal */
.btn-outline-primary {
  color: var(--primary-color);
  border-color: var(--primary-color);
  background-color: transparent;
}

.btn-outline-primary:hover:not(:disabled) {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: #ffffff;
}

/* Botón Secundario - Uso general */
.btn-secondary, .btn-outline-secondary {
  color: var(--neutral-700);
  border-color: var(--neutral-300);
  background-color: #ffffff;
}

.btn-secondary:hover:not(:disabled), .btn-outline-secondary:hover:not(:disabled) {
  background-color: var(--neutral-100);
  border-color: var(--neutral-400);
  color: var(--neutral-800);
}

/* Botón de acción principal positiva (verde sólido, acciones CTA tipo "Live", "Nueva sesión") */
.btn-success {
  background-color: var(--success-color);
  border-color: var(--success-color);
  color: #ffffff;
}

.btn-success:hover:not(:disabled) {
  background-color: #157347;
  border-color: #157347;
  color: #ffffff;
}

/* Outline-success → neutro (gris): se usa en botones de exportación y acciones secundarias */
.btn-outline-success {
  color: var(--neutral-700);
  border-color: var(--neutral-300);
  background-color: #ffffff;
}

.btn-outline-success:hover:not(:disabled) {
  background-color: var(--neutral-100);
  border-color: var(--neutral-400);
  color: var(--neutral-800);
}

/* Botón de advertencia sólido (para estados de alerta real) */
.btn-warning {
  background-color: var(--warning-color);
  border-color: var(--warning-color);
  color: var(--neutral-800);
}

.btn-warning:hover:not(:disabled) {
  background-color: #e08e0b;
  border-color: #e08e0b;
  color: var(--neutral-800);
}

/* Outline-warning → neutro (gris): para botones de gestión como Clonar */
.btn-outline-warning {
  color: var(--neutral-700);
  border-color: var(--neutral-300);
  background-color: #ffffff;
}

.btn-outline-warning:hover:not(:disabled) {
  background-color: var(--neutral-100);
  border-color: var(--neutral-400);
  color: var(--neutral-800);
}

.btn-danger, .btn-outline-danger {
  background-color: var(--danger-color);
  border-color: var(--danger-color);
  color: #ffffff;
}

.btn-danger:hover:not(:disabled), .btn-outline-danger:hover:not(:disabled) {
  background-color: #bb2d3b;
  border-color: #bb2d3b;
  color: #ffffff;
}

/* Botones Info → neutral (igual que secondary, para eliminar multicolor) */
.btn-info, .btn-outline-info {
  color: var(--neutral-700);
  border-color: var(--neutral-300);
  background-color: #ffffff;
}

.btn-info:hover:not(:disabled), .btn-outline-info:hover:not(:disabled) {
  background-color: var(--neutral-100);
  border-color: var(--neutral-400);
  color: var(--neutral-800);
}

/* ============================================
   TOGGLE SEGMENTADO (Segmented Control)
   Para radios btn-check tipo Normal/Redondeado
   ============================================ */
.btn-toggle {
  background-color: #ffffff;
  border-color: var(--neutral-300);
  color: var(--neutral-600);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.btn-toggle:hover:not(:disabled) {
  background-color: var(--neutral-50);
  border-color: var(--neutral-400);
  color: var(--neutral-800);
}

/* Opción activa: fondo primario + texto blanco */
.btn-check:checked + .btn-toggle {
  background-color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
  color: #ffffff !important;
  font-weight: 600;
}

.btn-check:focus + .btn-toggle {
  box-shadow: 0 0 0 0.2rem rgba(27, 57, 106, 0.2);
}

/* Estado .active para filtros btn-outline-secondary */
.btn-outline-secondary.active,
.btn-outline-secondary:active {
  color: #ffffff !important;
  background-color: var(--neutral-600) !important;
  border-color: var(--neutral-600) !important;
}

/* Tamaños de Botones */
.btn-sm {
  padding: calc(var(--spacing-xs) + 1px) var(--spacing-sm);
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 1.125rem;
  border-radius: var(--radius-lg);
}

/* Estado Deshabilitado */
.btn:disabled, .btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* ============================================
   BADGES - Sistema Unificado
   ============================================ */
.badge {
  font-family: "Segoe UI Semibold", "Segoe UI", sans-serif;
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.5rem;
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  line-height: 1.4;
}

/* Solo 3 colores de badges: éxito, advertencia, peligro */
.badge.bg-success {
  background-color: #157347 !important;  /* Verde oscuro para cumplir WCAG AA (4.52:1 con blanco) */
  color: #ffffff !important;
}

.badge.bg-warning {
  background-color: var(--warning-color) !important;
  color: var(--neutral-800) !important;
}

.badge.bg-danger {
  background-color: var(--danger-color) !important;
  color: #ffffff !important;
}

.badge.bg-primary {
  background-color: var(--primary-color) !important;
  color: #ffffff !important;
}

.badge.bg-secondary {
  background-color: var(--neutral-500) !important;
  color: #ffffff !important;
  /* NOTA: neutral-500 (#6c757d) con texto blanco tiene contraste 4.2:1,
     ligeramente por debajo de WCAG AA (4.5:1). Aceptable para badges pequeños.
     Si se requiere AA estricto, cambiar a: color: var(--neutral-800) !important; */
}

/* Badges en contextos especiales */
.badge.bg-info {
  background-color: var(--primary-color) !important;
  color: #ffffff !important;
}

/* Estilos específicos para calificaciones */
.badge.text-dark {
  color: var(--neutral-800) !important;
}

/* Badges pequeños para marcadores */
.badge-sm {
  padding: 0.15rem 0.35rem;
  font-size: 0.7rem;
}

/* ============================================
   FORMULARIOS - Sistema Unificado
   ============================================ */
.form-control, .form-select, textarea.form-control {
  font-family: "Segoe UI", sans-serif;
  border-radius: var(--radius-md);
  border: 1px solid var(--neutral-300);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.9375rem;
  line-height: 1.5;
  transition: all var(--transition-base);
  background-color: #ffffff;
  color: var(--text-primary);
}

.form-control:hover:not(:disabled):not([readonly]),
.form-select:hover:not(:disabled):not([readonly]) {
  border-color: var(--neutral-400);
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(27, 57, 106, 0.15);
  outline: none;
}

.form-control:disabled,
.form-select:disabled,
.form-control[readonly] {
  background-color: var(--neutral-100);
  border-color: var(--neutral-200);
  opacity: 0.6;
  cursor: not-allowed;
}

.form-control-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

.form-label {
  font-family: "Segoe UI Semibold", "Segoe UI", sans-serif;
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  font-size: 0.9375rem;
}

.form-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
}

/* Input groups */
.input-group {
  border-radius: var(--radius-md);
}

.input-group-text {
  background-color: var(--neutral-100);
  border: 1px solid var(--neutral-300);
  color: var(--text-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.9375rem;
}

/* Checkboxes y radios */
.form-check-input {
  border: 1px solid var(--neutral-300);
  cursor: pointer;
}

.form-check-input:checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.form-check-input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(27, 57, 106, 0.15);
}

.form-check-label {
  cursor: pointer;
  user-select: none;
}

/* ============================================
   LISTAS
   ============================================ */
.list-group-item {
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  border-radius: 8px !important;
  margin-bottom: 0.5rem;
}

.list-group-item:hover {
  background-color: var(--primary-lighter);
  border-color: var(--primary-color);
}

.list-group-item a {
  font-family: "Segoe UI Semibold", "Segoe UI", sans-serif;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
}

.list-group-item a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Asegurar visibilidad del botón Abrir en list-group-items */
.list-group-item .btn-outline-primary:hover {
  background-color: var(--primary-color) !important;
  color: white !important;
  text-decoration: none !important;
}

/* Mejorar contraste en items de menús desplegables */
.dropdown-menu .dropdown-item:hover,
.dropdown-menu .dropdown-item:focus {
  background-color: var(--primary-lighter);
  color: var(--primary-dark);
}

/* SISTEMA GLOBAL DE CONTRASTE - v2.3.6
   ==============================================
   REGLA: Fondo gris → texto azul principal
          Fondo azul/oscuro → texto blanco
   ============================================== */

/* Card-headers con fondo claro (por defecto neutral-100): texto oscuro */
.card-header:not([class*="bg-primary"]):not([class*="bg-info"]):not([class*="bg-success"]):not([class*="bg-danger"]):not([class*="bg-warning"]):not([class*="bg-dark"]) {
  color: var(--primary-color) !important;
}

/* Elementos de texto dentro de card-headers con fondo claro: azul principal */
.card-header:not([class*="bg-primary"]):not([class*="bg-info"]):not([class*="bg-success"]):not([class*="bg-danger"]):not([class*="bg-warning"]):not([class*="bg-dark"]) .text-muted,
.card-header:not([class*="bg-primary"]):not([class*="bg-info"]):not([class*="bg-success"]):not([class*="bg-danger"]):not([class*="bg-warning"]):not([class*="bg-dark"]) small,
.card-header:not([class*="bg-primary"]):not([class*="bg-info"]):not([class*="bg-success"]):not([class*="bg-danger"]):not([class*="bg-warning"]):not([class*="bg-dark"]) .small {
  color: var(--primary-dark) !important;
  opacity: 0.85;
}

/* Card-headers con fondos oscuros/azules: texto blanco */
.card-header.bg-primary,
.card-header.bg-info,
.card-header.bg-success,
.card-header.bg-danger,
.card-header.bg-warning,
.card-header.bg-dark {
  color: #ffffff !important;
}

/* Elementos de texto en card-headers oscuros: blanco translúcido */
.card-header.bg-primary .text-muted,
.card-header.bg-primary small,
.card-header.bg-info .text-muted,
.card-header.bg-info small,
.card-header.bg-success .text-muted,
.card-header.bg-success small,
.card-header.bg-danger .text-muted,
.card-header.bg-danger small,
.card-header.bg-warning .text-muted,
.card-header.bg-warning small,
.card-header.bg-dark .text-muted,
.card-header.bg-dark small {
  color: rgba(255, 255, 255, 0.85) !important;
}

/* Mejorar visibilidad de botones outline dentro de card-headers */
.card-header .btn-outline-primary,
.card-header .btn-outline-secondary,
.card-header .btn-outline-info,
.card-header .btn-outline-warning {
  background-color: rgba(255, 255, 255, 0.95);
  border-color: rgba(255, 255, 255, 0.95);
}

.card-header .btn-outline-primary {
  color: var(--primary-color);
}

.card-header .btn-outline-secondary {
  color: #6c757d;
}

.card-header .btn-outline-info {
  color: #0dcaf0;
}

.card-header .btn-outline-warning {
  color: #ffc107;
}

/* ============================================
   TABLAS - Sistema Unificado
   ============================================ */
.table {
  background-color: #ffffff;
  border-radius: var(--radius-md);
  /* overflow: hidden; */  /* REMOVIDO: Interfiere con position: sticky */
}

/* Solo aplicar overflow: hidden a tablas que NO tienen sticky column */
.table:not(.subject-table-container .table) {
  overflow: hidden;
}

.table-light {
  background: linear-gradient(135deg, var(--primary-lighter) 0%, #f0f4f8 100%);
}

.table th {
  font-family: "Segoe UI Semibold", "Segoe UI", sans-serif;
  color: var(--primary-color);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--primary-color);
}

/* Mejorar legibilidad de filas con zebra striping y bordes sutiles */
.table tbody tr {
  border-bottom: 1px solid var(--neutral-200);
  transition: background-color var(--transition-fast);
}
.table tbody tr:nth-of-type(odd) {
  background-color: #fbfdff; /* muy sutil sobre blanco */
}
.table-hover tbody tr:hover {
  background-color: var(--neutral-50);
}

/* ============================================
   COLUMNAS DE PUNTOS - Identificación Visual Sutil
   ============================================
   Columnas que muestran puntos calculados:
   - Puntos.Participación
   - Puntos.Asistencia  
   - Puntos.Ejercicios
   - Puntos.Examen
   ============================================ */
.subject-table-container > table.table-sm.table-bordered > thead > tr > th.points-col,
.subject-table-container > table.table-sm.table-bordered > tbody > tr > td.points-col {
  background-color: #f0f4fa !important; /* Azul muy suave, derivado del color principal */
  background-image: none !important; /* Eliminar gradiente heredado */
  font-weight: 600; 
  text-align: center; 
}

.table-responsive { 
  overflow-x: auto;
  border-radius: var(--radius-md);
  /* Necesario para que position sticky funcione */
  position: relative;
}

/* ============================================
   COLUMNA FIJA EN TABLA DE SUBJECT
   ============================================ */
/* Contenedor específico para la tabla de subject */
.subject-table-container {
  overflow-x: auto !important;
  overflow-y: auto !important;
  max-height: 80vh;
}

/* CRÍTICO: border-collapse DEBE ser separate para que sticky funcione */
.subject-table-container > table.table-sm.table-bordered {
  border-collapse: separate !important;
  border-spacing: 0 !important;
}

/* Header fijo (sticky en vertical) */
.subject-table-container > table.table-sm.table-bordered > thead {
  position: sticky !important;
  top: 0 !important;
  z-index: 20 !important;
}

/* Todos los th del header necesitan fondo sólido para sticky */
.subject-table-container > table.table-sm.table-bordered > thead > tr > th {
  background-color: #f8f9fa !important;
  background-image: linear-gradient(135deg, var(--primary-lighter) 0%, #f0f4f8 100%) !important;
}

/* Columna fija para nombres de estudiantes (sticky en horizontal) */
.subject-table-container > table.table-sm.table-bordered > thead > tr > th:first-child,
.subject-table-container > table.table-sm.table-bordered > tbody > tr > td:first-child {
  position: sticky !important;
  left: 0 !important;
  z-index: 10 !important;
  background-color: #ffffff !important;
  box-shadow: 2px 0 4px rgba(0, 0, 0, 0.1) !important;
}

/* Primera celda del header: sticky en AMBAS direcciones (top + left) */
.subject-table-container > table.table-sm.table-bordered > thead > tr > th:first-child {
  z-index: 30 !important; /* Mayor z-index para estar por encima de todo */
  background-color: #f8f9fa !important;
  background-image: linear-gradient(135deg, var(--primary-lighter) 0%, #f0f4f8 100%) !important;
  min-width: 260px;
}

/* Borde derecho reforzado para separación visual */
.subject-table-container > table.table-sm.table-bordered > thead > tr > th:first-child,
.subject-table-container > table.table-sm.table-bordered > tbody > tr > td:first-child {
  border-right: 2px solid #dee2e6 !important;
}

/* Columna Equipo — sin sticky, se desplaza con el resto de la tabla */
.subject-table-container > table.table-sm.table-bordered > thead > tr > th.col-sticky-team {
  min-width: 80px;
}
.subject-table-container > table.table-sm.table-bordered > tbody > tr > td.col-sticky-team {
  min-width: 80px;
}

/* Fallback: Si el selector anterior no funciona, intentar con cualquier tabla-responsive */
.table-responsive > table.table > thead > tr > th:first-child,
.table-responsive > table.table > tbody > tr > td:first-child {
  position: sticky !important;
  left: 0 !important;
  z-index: 10 !important;
  background-color: #ffffff !important;
  box-shadow: 2px 0 4px rgba(0, 0, 0, 0.1);
}

.table-responsive > table.table > thead > tr > th:first-child {
  z-index: 11 !important;
  background-color: #f8f9fa !important;
}

.table-bordered > thead > tr > th:first-child,
.table-bordered > tbody > tr > td:first-child {
  border-right: 2px solid #dee2e6 !important;
}

/* Improve checkbox alignment */
.table td { 
  vertical-align: middle; 
}

/* ============================================
   MODALES - Sistema Unificado Minimalista
   ============================================
   Todos los modales usan header principal (bg-primary)
   No se usan colores diferentes por tipo de acción
   ============================================ */
.modal-content {
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  background-color: #ffffff;
  overflow: hidden;
}

.modal-header {
  font-family: "Segoe UI Semibold", "Segoe UI", sans-serif;
  border-bottom: 1px solid var(--neutral-200);
  padding: var(--spacing-md) var(--spacing-lg);
  font-weight: 600;
  background-color: var(--primary-color);
  color: #ffffff;
}

.modal-header .btn-close {
  filter: invert(1) grayscale(100%) brightness(200%);
  opacity: 0.8;
}

.modal-header .btn-close:hover {
  opacity: 1;
}

/* Unificar todos los colores de header a primary */
.modal-header.bg-primary,
.modal-header.bg-info,
.modal-header.bg-secondary,
.modal-header.bg-success,
.modal-header.bg-warning,
.modal-header.bg-danger {
  background-color: var(--primary-color) !important;
  color: #ffffff !important;
}

.modal-title {
  font-weight: 600;
  font-size: 1.125rem;
  margin: 0;
  color: inherit !important;
}

.modal-title span {
  color: inherit !important;
}

.modal-body {
  padding: var(--spacing-lg);
  color: var(--text-primary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.modal-footer {
  background-color: var(--neutral-50);
  border-top: 1px solid var(--neutral-200);
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.modal-backdrop {
  background-color: rgba(0, 0, 0, 0.5);
}

.modal-backdrop.show {
  opacity: 0.5;
}

.modal {
  backdrop-filter: none;
}

.modal-dialog {
  z-index: 1060;
  margin: var(--spacing-lg) auto;
}

.modal-dialog-centered {
  min-height: calc(100% - calc(var(--spacing-lg) * 2));
}

/* Responsive para móviles */
@media (max-width: 576px) {
  .modal-dialog {
    margin: var(--spacing-sm);
    max-width: calc(100% - calc(var(--spacing-sm) * 2));
  }
  
  .modal-header {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .modal-title {
    font-size: 1rem;
  }
  
  .modal-body {
    padding: var(--spacing-md);
  }
  
  .modal-footer {
    padding: var(--spacing-sm) var(--spacing-md);
    flex-direction: column-reverse;
  }
  
  .modal-footer .btn {
    width: 100%;
    margin: 0;
  }
}

/* ============================================
   ALERTAS - Sistema Unificado
   ============================================ */
.alert {
  font-family: "Segoe UI", sans-serif;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  box-shadow: var(--shadow-sm);
  font-weight: 400;
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.alert-info {
  background-color: #e8f4f8;
  border-color: #b3dff0;
  color: #2980b9;
}

.alert-primary {
  background-color: var(--primary-lighter);
  border-color: var(--primary-light);
  color: var(--primary-dark);
}

.alert-warning {
  background-color: #fef5e7;
  border-color: #f9e79f;
  color: #d68910;
}

.alert-danger {
  background-color: #fadbd8;
  border-color: #f5c2c7;
  color: #c0392b;
}

.alert-success {
  background-color: #d4edda;
  border-color: #badbcc;
  color: #1e7e34;
}

/* ============================================
   PAGINACIÓN
   ============================================ */
.pagination {
  margin: 0;
}

.page-link {
  color: var(--primary-color);
  border-color: var(--border-color);
  border-radius: 6px;
  margin: 0 0.25rem;
  transition: all 0.3s ease;
}

.page-link:hover {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

.page-item.active .page-link {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

/* ============================================
   SELECT2 CUSTOMIZACIÓN
   ============================================ */
.select2-container--bootstrap-5 .select2-selection {
  border-radius: 8px !important;
  border-color: var(--border-color) !important;
}

.select2-container--bootstrap-5.select2-container--focus .select2-selection {
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 0.25rem rgba(27, 57, 106, 0.15) !important;
}

.select2-container--bootstrap-5 .select2-dropdown {
  border-radius: 8px !important;
  box-shadow: var(--shadow-md) !important;
}

.select2-container--bootstrap-5 .select2-results__option--highlighted {
  background-color: var(--primary-color) !important;
  color: #ffffff !important;
  font-weight: 600 !important;
}

/* Opción seleccionada (no activa) con buen contraste */
.select2-container--bootstrap-5 .select2-results__option[aria-selected="true"] {
  background-color: var(--primary-lighter) !important;
  color: var(--text-primary) !important;
}

/* ============================================
   UTILIDADES RESPONSIVAS
   ============================================ */
@media (max-width: 768px) {
  .navbar-brand {
    font-size: 1rem;
  }
  
  /* Btn-groups en wrap mode, no apilar verticalmente por defecto */
  .btn-group {
    flex-wrap: wrap;
  }
  
  .btn-group .btn {
    border-radius: 6px !important;
    margin: 0.15rem;
    white-space: nowrap;
  }
  
  /* Ajustar tamaño de botones en móvil */
  .btn-sm {
    padding: 0.3rem 0.6rem;
    font-size: 0.8rem;
  }
  
  .table-responsive {
    font-size: 0.875rem;
  }
  
  .modal-dialog {
    margin: 0.5rem;
  }
  
  /* d-flex gap-2 en móviles debe tener espacio reducido */
  .d-flex.gap-2 {
    gap: 0.4rem !important;
  }
}

@media (max-width: 576px) {
  .container-fluid {
    padding: 0.5rem;
  }
  
  h1, .h1 {
    font-size: 1.5rem;
    line-height: 1.3;
  }
  
  h2, .h2 {
    font-size: 1.25rem;
    line-height: 1.3;
  }
  
  h3, .h3 {
    font-size: 1.1rem;
    line-height: 1.3;
  }
  
  h4, .h4 {
    font-size: 1rem;
    line-height: 1.3;
  }
  
  .btn {
    font-size: 0.875rem;
    padding: 0.375rem 0.75rem;
  }
  
  /* Texto body más legible */
  body {
    font-size: 0.9rem;
    line-height: 1.5;
  }
  
  .small {
    font-size: 0.8rem !important;
  }
}

/* ============================================
   ANIMACIONES
   ============================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.5s ease-in-out;
}

/* ============================================
   PERSONALIZACIÓN DE SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--light-bg);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* ============================================
   ACCESIBILIDAD
   ============================================ */
.btn:focus,
.form-control:focus,
.form-select:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* ============================================
   HOME (Página de inicio)
   ============================================ */
.home-hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  min-height: calc(100vh - 3.75rem);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1rem;
}

.hero-card {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(27, 57, 106, 0.4);
  padding: 3rem;
  max-width: 650px;
  width: 100%;
  text-align: center;
  animation: fadeIn 0.8s ease-out;
}

.hero-title {
  font-family: "Segoe UI Bold", "Segoe UI", sans-serif;
  font-size: 2.75rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-family: "Segoe UI", sans-serif;
  font-size: 1.25rem;
  color: #555;
  margin-bottom: 2.5rem;
  font-weight: 400;
}

.feature-list { text-align: left; margin: 2.5rem 0; }
.feature-item { 
  font-family: "Segoe UI", sans-serif;
  display: flex; 
  align-items: center; 
  margin: 1.25rem 0; 
  font-size: 1.05rem; 
  color: #333; 
}
.feature-icon { font-size: 1.75rem; margin-right: 1.25rem; min-width: 40px; text-align: center; filter: drop-shadow(0 2px 4px rgba(27, 57, 106, 0.2)); }

.btn-primary-custom {
  font-family: "Segoe UI Semibold", "Segoe UI", sans-serif;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  border: none;
  padding: 1rem 3rem;
  font-size: 1.15rem;
  font-weight: 600;
  border-radius: 50px;
  transition: all 0.3s ease;
  color: white;
  text-decoration: none;
  display: inline-block;
  box-shadow: 0 4px 15px rgba(27, 57, 106, 0.3);
}
.btn-primary-custom:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(27, 57, 106, 0.4); background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%); color: white; }

.footer-text { margin-top: 2rem; padding-top: 2rem; border-top: 1px solid #e0e0e0; }

@media (max-width: 768px) {
  .hero-card { padding: 2rem 1.5rem; }
  .hero-title { font-size: 2rem; }
  .hero-subtitle { font-size: 1.1rem; }
  .feature-item { font-size: 1rem; }
  .btn-primary-custom { padding: 0.875rem 2.5rem; font-size: 1rem; }
}
@media (max-width: 576px) {
  .home-hero { padding: 0.5rem; }
  .hero-card { padding: 1.5rem 1rem; border-radius: 16px; }
  .hero-title { font-size: 1.75rem; }
  .hero-subtitle { font-size: 1rem; margin-bottom: 2rem; }
  .feature-list { margin: 2rem 0; }
  .feature-item { font-size: 0.95rem; margin: 1rem 0; }
  .feature-icon { font-size: 1.5rem; margin-right: 1rem; min-width: 35px; }
}

/* SISTEMA GLOBAL: Contraste de texto en fondos claros/grises
   ============================================== */

/* Fondos grises claros (bg-light, neutral-100, etc): texto base en azul principal */
.bg-light {
  color: var(--primary-color) !important;
}

/* Títulos y strong en bg-light: azul principal */
.bg-light h1, .bg-light h2, .bg-light h3, .bg-light h4, .bg-light h5, .bg-light h6,
.bg-light strong, .bg-light .fw-bold, .bg-light .fw-semibold,
.bg-light p:not([class*="text-"]) {
  color: var(--primary-color) !important;
}

/* text-muted en fondos claros: azul principal oscuro con opacidad para jerarquía */
.bg-light .text-muted,
.bg-light small:not(.badge):not(.btn *),
.bg-light .small:not(.badge):not(.btn *) {
  color: var(--primary-dark) !important;
  opacity: 0.85;
}

/* Secciones con bg-light en móvil: texto azul principal */
.mobile-section.bg-light,
.global-section-mobile.bg-light {
  color: var(--primary-color) !important;
}

/* text-muted base (sin fondo específico): gris oscuro para contraste WCAG AA */
.text-muted:not(.bg-light *):not(.card-header *) {
  color: #6c757d !important;
}

/* text-secondary con mejor contraste */
.text-secondary {
  color: #6c757d !important;
}

/* ============================================
   IMPRESIÓN
   ============================================ */
@media print {
  .navbar,
  .btn,
  .modal {
    display: none !important;
  }
  
  .card {
    box-shadow: none !important;
    border: 1px solid var(--border-color) !important;
  }
}

/* ============================================
   UTILIDADES ADICIONALES PARA RESPONSIVIDAD
   ============================================ */
/* Prevenir overflow horizontal global */
html, body {
  overflow-x: hidden;
  max-width: 100vw;
}

/* Asegurar que flex-wrap funcione correctamente */
.d-flex.flex-wrap {
  flex-wrap: wrap !important;
}

/* Mejor manejo de gaps en móviles */
@media (max-width: 576px) {
  .gap-2 {
    gap: 0.35rem !important;
  }
  
  .gap-3 {
    gap: 0.5rem !important;
  }
}

/* Inputs y selects deben ajustarse al contenedor en móviles */
@media (max-width: 768px) {
  .form-control,
  .form-select {
    font-size: 0.9rem;
  }
  
  /* No usar width fijo en inputs dentro de input-group */
  .input-group .form-control {
    min-width: 0;
    flex: 1 1 auto;
  }
}

/* Mejorar legibilidad de botones pequeños en móviles */
@media (max-width: 576px) {
  .btn-sm {
    font-size: 0.75rem;
    padding: 0.3rem 0.5rem;
    white-space: nowrap;
  }
  
  /* Botones muy pequeños deben mostrar solo iconos en mobile extremo */
  .btn-sm .d-none-mobile-extreme {
    display: none;
  }
}

/* Asegurar que dropdowns no se salgan de pantalla */
.dropdown-menu {
  max-width: calc(100vw - 2rem);
  overflow-x: auto;
}

/* Mejorar spacing de rows en forms responsive */
@media (max-width: 768px) {
  .row.g-2 {
    --bs-gutter-x: 0.5rem;
    --bs-gutter-y: 0.5rem;
  }
  
  .row.g-3 {
    --bs-gutter-x: 0.75rem;
    --bs-gutter-y: 0.75rem;
  }
}

/* REGLA ELIMINADA: Conflictiva con sistema global de contraste.
   Ver líneas 690-735 para reglas unificadas de card-header por tipo de fondo. */

/* Headers de card con mejor contraste y padding consistente */
.card-header .d-flex {
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ============================================
   SISTEMA DE ENFOQUE DE FILAS (FOCUS ROW)
   ============================================ */

/* Resaltado de fila enfocada - Bordes superior e inferior + fondo sutil */
tr.row-focused {
  position: relative;
  z-index: 15 !important;
  border-top: 3px solid rgba(27, 57, 106, 0.9) !important;
  border-bottom: 3px solid rgba(27, 57, 106, 0.9) !important;
  box-shadow: 0 4px 12px rgba(27, 57, 106, 0.2);
}

/* Aplicar fondo sutil a todas las celdas de la fila enfocada */
tr.row-focused > td {
  background-color: rgba(27, 57, 106, 0.04) !important;
}

/* Cambiar fondo de celdas sticky para mayor contraste */
tr.row-focused td[style*="position: sticky"],
tr.row-focused td[style*="background-color: #ffffff"] {
  background-color: #e8f0ff !important;
}

/* ============================================
   ESTILOS ESPECÍFICOS PARA TABLA DE SUBJECT
   (Con border-collapse: separate y sticky column)
   ============================================ */

/* En Subject: Aplicar outline a la fila completa, no a cada celda */
.subject-table-container tr.row-focused {
  border-top: none !important;
  border-bottom: none !important;
  /* Outline alrededor de toda la fila */
  outline: 3px solid rgba(27, 57, 106, 0.8) !important;
  outline-offset: -3px;
  box-shadow: 0 4px 12px rgba(27, 57, 106, 0.2) !important;
}

/* Remover outline individual de celdas en Subject */
.subject-table-container tr.row-focused > td {
  /* Solo fondo, sin outline individual */
  background-color: rgba(27, 57, 106, 0.04) !important;
}

/* La celda sticky con fondo azul claro */
.subject-table-container tr.row-focused > td:first-child[style*="position: sticky"] {
  background-color: #e8f0ff !important;
  z-index: 10 !important;
}

/* Animación suave al enfocar */
tr.row-focused {
  animation: focusPulse 0.3s ease-out;
}

@keyframes focusPulse {
  0% {
    border-top-color: rgba(27, 57, 106, 0);
    border-bottom-color: rgba(27, 57, 106, 0);
    box-shadow: 0 0 0 rgba(27, 57, 106, 0);
  }
  50% {
    border-top-color: rgba(27, 57, 106, 1);
    border-bottom-color: rgba(27, 57, 106, 1);
    box-shadow: 0 6px 16px rgba(27, 57, 106, 0.35);
  }
  100% {
    border-top-color: rgba(27, 57, 106, 0.9);
    border-bottom-color: rgba(27, 57, 106, 0.9);
    box-shadow: 0 4px 12px rgba(27, 57, 106, 0.2);
  }
}

/* Botón de enfoque integrado en nombre */
.btn-focus-row {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0.3;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  background: transparent;
  padding: 0;
  margin-left: 6px;
  font-size: 13px;
  width: 20px;
  height: 20px;
  border-radius: 3px;
  vertical-align: middle;
}

tr:hover .btn-focus-row {
  opacity: 0.6;
  background: rgba(27, 57, 106, 0.08);
}

.btn-focus-row:hover {
  opacity: 1 !important;
  background: rgba(27, 57, 106, 0.15) !important;
  transform: scale(1.15);
}

.btn-focus-row.active {
  opacity: 1 !important;
  background: var(--primary-color) !important;
  color: white !important;
  box-shadow: 0 2px 4px rgba(27, 57, 106, 0.3);
}

/* Mejorar contraste de celdas con colores de fondo cuando están enfocadas */
tr.row-focused td.bg-success,
tr.row-focused td.bg-warning,
tr.row-focused td.bg-danger {
  filter: brightness(0.95) saturate(1.1);
}

/* ============================================================
   TOOLTIPS — Estilo minimalista unificado
   ============================================================ */
.tooltip .tooltip-inner {
  background-color: #2d2d2d;
  color: #f5f5f5;
  font-size: 0.78rem;
  padding: 4px 9px;
  border-radius: 4px;
  max-width: 260px;
  line-height: 1.4;
  box-shadow: none;
}
.tooltip.bs-tooltip-top .tooltip-arrow::before,
.tooltip.bs-tooltip-auto[data-popper-placement^="top"] .tooltip-arrow::before {
  border-top-color: #2d2d2d;
}
.tooltip.bs-tooltip-bottom .tooltip-arrow::before,
.tooltip.bs-tooltip-auto[data-popper-placement^="bottom"] .tooltip-arrow::before {
  border-bottom-color: #2d2d2d;
}
.tooltip.bs-tooltip-start .tooltip-arrow::before,
.tooltip.bs-tooltip-auto[data-popper-placement^="left"] .tooltip-arrow::before {
  border-left-color: #2d2d2d;
}
.tooltip.bs-tooltip-end .tooltip-arrow::before,
.tooltip.bs-tooltip-auto[data-popper-placement^="right"] .tooltip-arrow::before {
  border-right-color: #2d2d2d;
}