/**
 * WERKON Campus Virtual & Admin Panel - Design System (campus.css)
 * ----------------------------------------------------------------
 * TEMA CORPORATIVO MODERNO EN FONDO BLANCO / LIGHT MODE
 * Basado estrictamente en el Manual de Identidad Visual de WERKON:
 * - Azul Primario / Corporativo: #164194 (CMYK 100, 85, 5, 0)
 * - Azul Claro: #0C74BB (CMYK 88, 50, 0, 0)
 * - Gris Corporativo: #7A7A7A (CMYK 0, 0, 0, 60)
 * - Rojo Acento: #E53212 (CMYK 0, 90, 100, 0)
 * - Tipografía: Karla (Títulos de alta personalidad técnica) e Inter (Cuerpo y controles UI)
 * - Espaciados y Márgenes: Generosos, limpios y con respiración visual estilo SaaS moderno.
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Karla:ital,wght@0,500;0,600;0,700;0,800;1,700&display=swap');

:root {
  /* Marca WERKON */
  --wk-blue-primary: #164194;
  --wk-blue-light: #0C74BB;
  --wk-gray-corp: #7A7A7A;
  --wk-red-accent: #E53212;
  --wk-white: #FFFFFF;

  /* Superficies y Fondos Claros */
  --wk-bg-page: #F8FAFC;
  --wk-bg-surface: #FFFFFF;
  --wk-bg-card: #FFFFFF;
  --wk-bg-subtle: #F1F5F9;
  --wk-bg-hover: #F8FAFC;

  /* Bordes */
  --wk-border: #E2E8F0;
  --wk-border-light: #EDF2F7;
  --wk-border-hover: #CBD5E1;
  --wk-border-focus: #164194;

  /* Tipografía y Textos */
  --wk-text-primary: #0F172A;
  --wk-text-secondary: #334155;
  --wk-text-muted: #64748B;
  --wk-text-light: #94A3B8;

  /* Estados */
  --wk-success: #059669;
  --wk-success-bg: #ECFDF5;
  --wk-success-border: #A7F3D0;

  --wk-warning: #D97706;
  --wk-warning-bg: #FFFBEB;
  --wk-warning-border: #FDE68A;

  --wk-danger: #DC2626;
  --wk-danger-bg: #FEF2F2;
  --wk-danger-border: #FECACA;

  /* Bordes Redondeados */
  --wk-radius-sm: 8px;
  --wk-radius-md: 12px;
  --wk-radius-lg: 16px;
  --wk-radius-xl: 24px;

  /* Sombras Modernas Sutiles */
  --wk-shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
  --wk-shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.06), 0 1px 2px -1px rgba(15, 23, 42, 0.04);
  --wk-shadow-md: 0 4px 12px -2px rgba(15, 23, 42, 0.06), 0 2px 6px -2px rgba(15, 23, 42, 0.04);
  --wk-shadow-lg: 0 12px 24px -4px rgba(15, 23, 42, 0.08), 0 4px 8px -4px rgba(15, 23, 42, 0.03);
  --wk-shadow-xl: 0 20px 32px -6px rgba(15, 23, 42, 0.1), 0 8px 12px -6px rgba(15, 23, 42, 0.04);

  /* Fuentes */
  --wk-font-heading: 'Karla', sans-serif;
  --wk-font-ui: 'Inter', sans-serif;
}

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

body {
  background-color: var(--wk-bg-page);
  color: var(--wk-text-secondary);
  font-family: var(--wk-font-ui);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    radial-gradient(#E2E8F0 1px, transparent 1px);
  background-size: 24px 24px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--wk-font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--wk-text-primary);
}

a {
  color: var(--wk-blue-light);
  text-decoration: none;
  transition: all 0.2s ease;
}
a:hover {
  color: var(--wk-blue-primary);
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* LAYOUT DE LA APLICACIÓN - SAAS DOCK Y SIDEBAR FIJO */
.campus-layout {
  display: grid;
  grid-template-rows: 74px 1fr;
  grid-template-columns: 280px 1fr;
  height: 100vh;
  max-height: 100vh;
  overflow: hidden;
  transition: grid-template-columns 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.campus-layout.sidebar-collapsed {
  grid-template-columns: 78px 1fr;
}

/* TOPBAR */
.campus-topbar {
  grid-column: 1 / -1;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--wk-border);
  box-shadow: var(--wk-shadow-xs);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 36px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar-brand img {
  height: 38px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
}

.topbar-badge {
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  color: var(--wk-blue-primary);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 12px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.topbar-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--wk-blue-light);
  border-radius: 50%;
}

.topbar-center {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #F8FAFC;
  padding: 6px 18px;
  border-radius: 999px;
  border: 1px solid var(--wk-border);
}

.topbar-center-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--wk-text-muted);
}

.role-switcher-select {
  background: var(--wk-white);
  border: 1px solid var(--wk-border);
  color: var(--wk-text-primary);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  outline: none;
  box-shadow: var(--wk-shadow-xs);
  transition: all 0.2s ease;
}
.role-switcher-select:hover, .role-switcher-select:focus {
  border-color: var(--wk-blue-light);
  box-shadow: 0 0 0 3px rgba(12, 116, 187, 0.12);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.db-status-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: #047857;
  background: #ECFDF5;
  border: 1px solid #A7F3D0;
  padding: 6px 14px;
  border-radius: 999px;
}
.db-status-pill .dot {
  width: 7px;
  height: 7px;
  background: #10B981;
  border-radius: 50%;
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.6);
}

.user-profile-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--wk-white);
  border: 1px solid var(--wk-border);
  padding: 5px 16px 5px 6px;
  border-radius: 999px;
  box-shadow: var(--wk-shadow-xs);
}

.user-profile-chip img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--wk-blue-light);
}

.user-info-text {
  display: flex;
  flex-direction: column;
}

.user-info-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--wk-text-primary);
  line-height: 1.2;
}

.user-info-role {
  font-size: 11px;
  font-weight: 500;
  color: var(--wk-text-muted);
}

.exit-portal-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--wk-text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--wk-radius-md);
  border: 1px solid transparent;
  transition: all 0.2s;
}
.exit-portal-link:hover {
  color: var(--wk-blue-primary);
  background: #EFF6FF;
  border-color: #DBEAFE;
}

/* SIDEBAR MODERNO SaaS */
.sidebar-toggle-btn {
  display: none;
  background: #FFFFFF;
  border: 1px solid var(--wk-border);
  border-radius: 10px;
  padding: 8px;
  color: var(--wk-text-primary);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}
.sidebar-toggle-btn:hover {
  background: #F8FAFC;
  border-color: var(--wk-blue-light);
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  z-index: 80;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.campus-sidebar {
  background: var(--wk-bg-surface);
  border-right: 1px solid var(--wk-border);
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.campus-layout.sidebar-collapsed .campus-sidebar {
  width: 78px;
  padding: 20px 8px;
}
.campus-layout.sidebar-collapsed .nav-group-title,
.campus-layout.sidebar-collapsed .nav-item-text,
.campus-layout.sidebar-collapsed .nav-item-badge,
.campus-layout.sidebar-collapsed .sidebar-footer,
.campus-layout.sidebar-collapsed .sidebar-user-details,
.campus-layout.sidebar-collapsed .btn-logout-sidebar span {
  display: none !important;
}
.campus-layout.sidebar-collapsed .nav-item {
  justify-content: center;
  padding: 10px 0;
}
.campus-layout.sidebar-collapsed .sidebar-user-footer {
  padding: 10px 4px;
}
.campus-layout.sidebar-collapsed .sidebar-actions-row {
  flex-direction: column;
}

/* Ocultar sincronización para rol estudiante */
body.user-role-student .sidebar-footer,
body.user-role-student .sidebar-sync-badge {
  display: none !important;
}

.nav-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.nav-group-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 750;
  color: var(--wk-text-muted);
  padding: 0 12px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 10px 14px;
  border-radius: 12px;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  color: var(--wk-text-secondary);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
  user-select: none;
}

.nav-item:hover {
  background: #FFFFFF;
  border-color: #0C74BB;
  color: var(--wk-blue-primary);
  transform: translateX(3px);
  box-shadow: 0 4px 12px rgba(12, 116, 187, 0.09);
}

.nav-item.active {
  background: linear-gradient(135deg, #164194 0%, #0C74BB 100%);
  border-color: #164194;
  color: #FFFFFF !important;
  font-weight: 700;
  box-shadow: 0 6px 18px rgba(22, 65, 148, 0.28);
  transform: translateX(4px);
}

.nav-item-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #EFF6FF;
  color: var(--wk-blue-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.nav-item:hover .nav-item-icon {
  background: #DBEAFE;
  color: var(--wk-blue-primary);
}

.nav-item.active .nav-item-icon {
  background: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
}

.nav-item-text {
  flex-grow: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-item-badge {
  font-size: 11px;
  font-weight: 750;
  padding: 2px 8px;
  border-radius: 999px;
  background: #FEF2F2;
  color: #E53212;
  border: 1px solid #FECACA;
}

.nav-item.active .nav-item-badge {
  background: rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
  border-color: transparent;
}

.sidebar-footer {
  margin-top: auto;
  padding: 20px 18px;
  background: #F8FAFC;
  border: 1px solid var(--wk-border);
  border-radius: var(--wk-radius-lg);
}

.sidebar-footer-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--wk-text-primary);
  margin-bottom: 6px;
}

.sidebar-footer-desc {
  font-size: 12px;
  color: var(--wk-text-muted);
  line-height: 1.5;
  margin-bottom: 14px;
}

.btn-export-quick {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 9px 14px;
  border-radius: var(--wk-radius-sm);
  background: var(--wk-blue-primary);
  color: var(--wk-white);
  font-size: 12px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  box-shadow: var(--wk-shadow-sm);
  transition: all 0.2s ease;
}
.btn-export-quick:hover {
  background: var(--wk-blue-light);
  transform: translateY(-1px);
  box-shadow: var(--wk-shadow-md);
}

/* ÁREA DE TRABAJO PRINCIPAL (ANCHO COMPLETO SIN DESFASES NI ESPACIOS EN BLANCO) */
.campus-main {
  padding: 32px 40px 90px;
  overflow-y: auto;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.view-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}

.view-title-group h1 {
  font-size: 30px;
  line-height: 1.25;
  margin-bottom: 6px;
  color: var(--wk-text-primary);
}

.view-title-group p {
  font-size: 14.5px;
  color: var(--wk-text-muted);
  max-width: 780px;
}

.view-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* BOTONES GLOBALES SAAS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--wk-radius-md);
  font-weight: 600;
  font-size: 13.5px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.btn-primary, .btn-action-primary {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  padding: 10px 20px !important;
  background: linear-gradient(135deg, #164194 0%, #0C74BB 100%) !important;
  color: #FFFFFF !important;
  font-family: var(--wk-font-ui);
  font-size: 13.5px;
  font-weight: 650;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 3px 12px rgba(22, 65, 148, 0.22), 0 1px 3px rgba(0, 0, 0, 0.05);
  cursor: pointer;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.btn-primary:hover, .btn-action-primary:hover {
  background: linear-gradient(135deg, #12357a 0%, #0a65a3 100%) !important;
  transform: translateY(-1.5px);
  box-shadow: 0 6px 20px rgba(22, 65, 148, 0.32), 0 2px 6px rgba(0, 0, 0, 0.08);
}
.btn-primary:active, .btn-action-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(22, 65, 148, 0.2);
}

/* SIDEBAR USER FOOTER */
.sidebar-user-footer {
  margin-top: auto;
  padding: 14px 12px;
  background: var(--wk-bg-page);
  border: 1px solid var(--wk-border);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--wk-shadow-xs);
}
.sidebar-user-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-user-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--wk-blue-light);
  flex-shrink: 0;
}
.sidebar-user-details {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.sidebar-user-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--wk-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-user-role {
  font-size: 11px;
  color: var(--wk-text-muted);
}
.sidebar-actions-row {
  display: flex;
  align-items: center;
  gap: 8px;
  border-top: 1px solid var(--wk-border-light);
  padding-top: 10px;
}
.btn-sidebar-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--wk-bg-surface);
  border: 1px solid var(--wk-border);
  color: var(--wk-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}
.btn-sidebar-icon:hover {
  background: var(--wk-bg-hover);
  color: var(--wk-blue-primary);
  border-color: var(--wk-blue-light);
}
.btn-logout-sidebar {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 10px;
  border-radius: 8px;
  background: var(--wk-bg-surface);
  border: 1px solid var(--wk-border);
  color: #DC2626;
  font-size: 11.5px;
  font-weight: 650;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-logout-sidebar:hover {
  background: #FEF2F2;
  border-color: #FECACA;
}

.btn-accent {
  background: var(--wk-red-accent);
  color: var(--wk-white);
  box-shadow: 0 2px 8px rgba(229, 50, 18, 0.25);
}
.btn-accent:hover {
  background: #c5290e;
  box-shadow: 0 6px 18px rgba(229, 50, 18, 0.35);
  transform: translateY(-1px);
}

.btn-outline {
  background: var(--wk-white);
  border-color: var(--wk-border);
  color: var(--wk-text-secondary);
  box-shadow: var(--wk-shadow-xs);
}
.btn-outline:hover {
  background: #F8FAFC;
  border-color: var(--wk-border-hover);
  color: var(--wk-text-primary);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
  border-radius: var(--wk-radius-sm);
}

/* KPI CARDS (MODERN WHITE / ELEVATED) */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.kpi-card {
  background: var(--wk-white);
  border: 1px solid var(--wk-border);
  border-radius: var(--wk-radius-lg);
  padding: 26px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--wk-shadow-sm);
  transition: all 0.25s ease;
}
.kpi-card:hover {
  border-color: #BFDBFE;
  transform: translateY(-3px);
  box-shadow: var(--wk-shadow-md);
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--wk-blue-primary), var(--wk-blue-light));
}

.kpi-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.kpi-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--wk-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.kpi-icon-wrap {
  width: 40px;
  height: 40px;
  border-radius: var(--wk-radius-md);
  background: #EFF6FF;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--wk-blue-primary);
}

.kpi-value {
  font-family: var(--wk-font-heading);
  font-size: 34px;
  font-weight: 800;
  color: var(--wk-text-primary);
  line-height: 1.1;
  margin-bottom: 6px;
}

.kpi-caption {
  font-size: 13px;
  color: var(--wk-text-muted);
}

/* CURSOS EN CATÁLOGO */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 28px;
}

.course-card {
  background: var(--wk-white);
  border: 1px solid var(--wk-border);
  border-radius: var(--wk-radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--wk-shadow-sm);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.course-card:hover {
  transform: translateY(-4px);
  border-color: #BFDBFE;
  box-shadow: var(--wk-shadow-lg);
}

.course-thumb-wrap {
  position: relative;
  height: 190px;
  overflow: hidden;
}

.course-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.course-card:hover .course-thumb {
  transform: scale(1.04);
}

.course-category-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  color: var(--wk-blue-primary);
  font-size: 11px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
  box-shadow: var(--wk-shadow-xs);
}

.course-category-badge.static {
  position: static;
  display: inline-block;
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  color: var(--wk-blue-primary);
  padding: 3px 10px;
}

.course-code-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--wk-blue-primary);
  color: var(--wk-white);
  font-size: 11px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
  box-shadow: var(--wk-shadow-sm);
}

.course-body {
  padding: 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.course-title {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--wk-text-primary);
}

.course-desc {
  font-size: 13.5px;
  color: var(--wk-text-muted);
  line-height: 1.55;
  margin-bottom: 20px;
  flex: 1;
}

.course-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12.5px;
  color: var(--wk-text-muted);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--wk-border-light);
  margin-bottom: 18px;
}

.course-progress-box {
  margin-bottom: 18px;
}

.progress-labels {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 600;
  color: var(--wk-text-secondary);
  margin-bottom: 8px;
}

.progress-track {
  width: 100%;
  height: 7px;
  background: #E2E8F0;
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--wk-blue-primary), var(--wk-blue-light));
  border-radius: 999px;
  transition: width 0.4s ease;
}

/* REPRODUCTOR Y AULA VIRTUAL */
.player-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 28px;
  margin-top: 20px;
  width: 100%;
}

.player-main {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.video-container {
  position: relative;
  background: #000;
  border-radius: var(--wk-radius-lg);
  overflow: hidden;
  box-shadow: var(--wk-shadow-md);
  border: 1px solid var(--wk-border);
  aspect-ratio: 16 / 9;
}

.video-container video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.player-details-card {
  background: var(--wk-white);
  border: 1px solid var(--wk-border);
  border-radius: var(--wk-radius-lg);
  padding: 30px;
  box-shadow: var(--wk-shadow-sm);
}

.lesson-title-active {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--wk-text-primary);
}

.lesson-meta-bar {
  display: flex;
  align-items: center;
  gap: 18px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--wk-border-light);
  margin-bottom: 24px;
  font-size: 13px;
  color: var(--wk-text-muted);
}

.player-tabs-nav {
  display: flex;
  gap: 12px;
  border-bottom: 1px solid var(--wk-border);
  margin-bottom: 24px;
}

.player-tab-btn {
  padding: 12px 20px;
  background: transparent;
  border: none;
  color: var(--wk-text-muted);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}
.player-tab-btn:hover {
  color: var(--wk-blue-primary);
}
.player-tab-btn.active {
  color: var(--wk-blue-primary);
  border-bottom-color: var(--wk-blue-primary);
  font-weight: 700;
}

.player-tab-pane {
  display: none;
}
.player-tab-pane.active {
  display: block;
}

/* TEMARIO LATERAL */
.curriculum-card {
  background: var(--wk-white);
  border: 1px solid var(--wk-border);
  border-radius: var(--wk-radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--wk-shadow-sm);
  max-height: calc(100vh - 140px);
}

.curriculum-header {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--wk-border);
  margin-bottom: 20px;
}

.curriculum-list {
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-right: 6px;
}

.module-block-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--wk-blue-primary);
  font-weight: 800;
  margin-bottom: 12px;
}

.lesson-item-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border-radius: var(--wk-radius-md);
  background: #F8FAFC;
  border: 1px solid var(--wk-border-light);
  cursor: pointer;
  transition: all 0.2s ease;
}
.lesson-item-row:hover {
  background: #EFF6FF;
  border-color: #BFDBFE;
}
.lesson-item-row.active {
  background: #EFF6FF;
  border-color: var(--wk-blue-primary);
  box-shadow: 0 0 0 1px var(--wk-blue-primary);
}

.lesson-check-btn {
  background: var(--wk-white);
  border: 2px solid #CBD5E1;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.2s;
}
.lesson-check-btn.completed {
  background: var(--wk-success);
  border-color: var(--wk-success);
  color: #fff;
}

.lesson-item-info {
  flex: 1;
}

.lesson-item-title {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--wk-text-primary);
  line-height: 1.35;
}

.lesson-item-duration {
  font-size: 11.5px;
  color: var(--wk-text-muted);
}

/* TABLAS MODERNAS (ADMIN, DOCENTE, CMS) */
.table-card {
  background: var(--wk-white);
  border: 1px solid var(--wk-border);
  border-radius: var(--wk-radius-lg);
  overflow: hidden;
  box-shadow: var(--wk-shadow-sm);
}

.table-responsive {
  overflow-x: auto;
}

.campus-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.campus-table th {
  background: #F8FAFC;
  padding: 16px 24px;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  color: var(--wk-text-muted);
  border-bottom: 1px solid var(--wk-border);
}

.campus-table td {
  padding: 18px 24px;
  font-size: 14px;
  color: var(--wk-text-secondary);
  border-bottom: 1px solid var(--wk-border-light);
  vertical-align: middle;
}

.campus-table tr:last-child td {
  border-bottom: none;
}

.campus-table tr:hover td {
  background: #F8FAFC;
}

/* BADGES MODERNOS SUAVES */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.status-badge.graded, .status-badge.published, .status-badge.active {
  background: var(--wk-success-bg);
  color: var(--wk-success);
  border: 1px solid var(--wk-success-border);
}

.status-badge.pending, .status-badge.draft {
  background: var(--wk-warning-bg);
  color: var(--wk-warning);
  border: 1px solid var(--wk-warning-border);
}

.role-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--wk-radius-sm);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.role-badge.superadmin {
  background: #FEF2F2;
  color: var(--wk-red-accent);
  border: 1px solid #FECACA;
}

.role-badge.teacher {
  background: #EFF6FF;
  color: var(--wk-blue-primary);
  border: 1px solid #BFDBFE;
}

.role-badge.editor {
  background: #FAF5FF;
  color: #7E22CE;
  border: 1px solid #E9D5FF;
}

.role-badge.student {
  background: #ECFDF5;
  color: #047857;
  border: 1px solid #A7F3D0;
}

/* FORMULARIOS Y CONTROLES */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 22px;
}

.form-label {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--wk-text-primary);
}

.form-input, .form-textarea, .form-select {
  background: var(--wk-white);
  border: 1px solid var(--wk-border);
  border-radius: var(--wk-radius-md);
  padding: 12px 16px;
  color: var(--wk-text-primary);
  font-size: 14.5px;
  outline: none;
  box-shadow: var(--wk-shadow-xs);
  transition: all 0.2s ease;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--wk-blue-primary);
  box-shadow: 0 0 0 3px rgba(22, 65, 148, 0.12);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* MODALES MODERNOS */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--wk-white);
  border: 1px solid var(--wk-border);
  border-radius: var(--wk-radius-xl);
  box-shadow: var(--wk-shadow-xl);
  width: 100%;
  max-width: 650px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 36px;
  transform: scale(0.96);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.active .modal-card {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--wk-border);
  margin-bottom: 24px;
}

.modal-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--wk-text-primary);
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--wk-text-muted);
  cursor: pointer;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  transition: all 0.2s;
}
.modal-close-btn:hover {
  background: #F1F5F9;
  color: var(--wk-text-primary);
}

/* CAJA DE PREVISUALIZACIÓN GOOGLE SERP */
.serp-preview-box {
  background: #FFFFFF;
  border: 1px solid #DFE1E5;
  border-radius: var(--wk-radius-md);
  padding: 18px 22px;
  font-family: Arial, sans-serif;
  margin-top: 14px;
  box-shadow: var(--wk-shadow-xs);
}

.serp-url {
  font-size: 13px;
  color: #202124;
  margin-bottom: 4px;
}

.serp-title {
  font-size: 19px;
  color: #1a0dab;
  line-height: 1.3;
  margin-bottom: 6px;
  cursor: pointer;
}
.serp-title:hover {
  text-decoration: underline;
}

.serp-desc {
  font-size: 14px;
  color: #4d5156;
  line-height: 1.5;
}

/* NOTIFICACIONES TOAST */
.toast-container {
  position: fixed;
  bottom: 32px;
  right: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 1000;
}

.toast {
  background: var(--wk-white);
  border: 1px solid var(--wk-border);
  box-shadow: var(--wk-shadow-lg);
  padding: 16px 22px;
  border-radius: var(--wk-radius-md);
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--wk-text-primary);
  animation: toastSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.toast.success {
  border-left: 4px solid var(--wk-success);
}
.toast.danger {
  border-left: 4px solid var(--wk-danger);
}
.toast.info {
  border-left: 4px solid var(--wk-blue-primary);
}

@keyframes toastSlideIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* RESPONSIVE LAYOUT BASE */
@media (max-width: 1080px) {
  .campus-layout {
    grid-template-columns: 1fr;
  }
  .player-layout {
    grid-template-columns: 1fr;
  }
  .campus-main {
    padding: 24px 18px;
  }
}

/* ==========================================================
   PANTALLA DE AUTENTICACIÓN REAL (LOGIN SCREEN)
   ========================================================== */
.login-view-wrapper {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background-color: #0c1836;
  background-image: 
    radial-gradient(at 0% 0%, rgba(22, 65, 148, 0.45) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(12, 116, 187, 0.35) 0px, transparent 50%),
    radial-gradient(#1e3a8a 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 28px 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  overflow-y: auto;
}

.login-card {
  width: 100%;
  max-width: 480px;
  background: #FFFFFF;
  border-radius: var(--wk-radius-xl);
  box-shadow: 0 25px 50px -12px rgba(12, 24, 54, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.1);
  padding: 40px;
  position: relative;
  animation: loginCardPop 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes loginCardPop {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(12px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-header-logo {
  height: 48px;
  width: auto;
  margin: 0 auto 16px auto;
  display: block;
}

.login-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--wk-bg-subtle);
  border: 1px solid var(--wk-border);
  color: var(--wk-blue-primary);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 9999px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.login-title {
  font-size: 26px;
  font-weight: 800;
  color: var(--wk-text-primary);
  margin-bottom: 6px;
}

.login-subtitle {
  font-size: 14px;
  color: var(--wk-text-muted);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.login-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.login-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--wk-text-secondary);
}

.login-input-wrap {
  position: relative;
}

.login-input {
  width: 100%;
  padding: 13px 16px;
  font-size: 15px;
  font-family: var(--wk-font-ui);
  border: 1.5px solid var(--wk-border);
  border-radius: var(--wk-radius-md);
  background: var(--wk-bg-page);
  color: var(--wk-text-primary);
  transition: all 0.2s ease;
}

.login-input:focus {
  outline: none;
  border-color: var(--wk-blue-primary);
  background: var(--wk-white);
  box-shadow: 0 0 0 3px rgba(22, 65, 148, 0.12);
}

.login-alert {
  padding: 12px 16px;
  border-radius: var(--wk-radius-md);
  font-size: 13px;
  font-weight: 500;
  display: none;
  align-items: center;
  gap: 10px;
}

.login-alert.danger {
  display: flex;
  background: var(--wk-danger-bg);
  border: 1px solid var(--wk-danger-border);
  color: var(--wk-danger);
}

.login-btn-submit {
  width: 100%;
  padding: 14px;
  background: var(--wk-blue-primary);
  color: var(--wk-white);
  border: none;
  border-radius: var(--wk-radius-md);
  font-size: 15px;
  font-weight: 700;
  font-family: var(--wk-font-heading);
  letter-spacing: 0.02em;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(22, 65, 148, 0.25);
}

.login-btn-submit:hover {
  background: var(--wk-blue-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(12, 116, 187, 0.3);
}

.login-btn-submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

.login-quick-access {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px dashed var(--wk-border);
}

.login-quick-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--wk-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  text-align: center;
}

.login-quick-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.quick-user-btn {
  background: var(--wk-bg-page);
  border: 1px solid var(--wk-border);
  border-radius: var(--wk-radius-sm);
  padding: 8px 10px;
  text-align: left;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  transition: all 0.15s ease;
}

.quick-user-btn:hover {
  background: var(--wk-bg-subtle);
  border-color: var(--wk-blue-light);
  transform: translateY(-1px);
}

.quick-user-btn .role-tag {
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--wk-blue-primary);
}

.quick-user-btn .user-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--wk-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.login-footer-links {
  margin-top: 20px;
  text-align: center;
  font-size: 13px;
}

.login-footer-links a {
  color: var(--wk-blue-light);
  text-decoration: none;
  font-weight: 600;
}

.login-footer-links a:hover {
  text-decoration: underline;
}

/* BOTÓN CERRAR SESIÓN */
.btn-logout {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid #fee2e2;
  color: #dc2626;
  padding: 7px 12px;
  border-radius: var(--wk-radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-logout:hover {
  background: #fef2f2;
  border-color: #fca5a5;
  color: #b91c1c;
}

/* BADGE DE SINCRONIZACIÓN AUTOMÁTICA */
.sidebar-sync-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(5, 150, 105, 0.08);
  border: 1px solid rgba(5, 150, 105, 0.2);
  color: var(--wk-success);
  font-size: 11.5px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--wk-radius-sm);
  margin-top: 10px;
}

.sidebar-sync-badge .sync-dot {
  width: 7px;
  height: 7px;
  background: var(--wk-success);
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(5, 150, 105, 0.25);
  animation: pulseSync 2s infinite;
}

@keyframes pulseSync {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(5, 150, 105, 0.6);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 6px rgba(5, 150, 105, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(5, 150, 105, 0);
  }
}

/* ==========================================================================
   ELEVACIÓN DE DISEÑO CAMPUS VIRTUAL (WOW / MODERN SAAS AESTHETICS)
   ========================================================================== */

/* 1. ADAPTABILIDAD RESPONSIVE & MOBILE DRAWER */
@media (max-width: 1024px) {
  .campus-layout {
    grid-template-columns: 1fr !important;
  }
  .sidebar-toggle-btn {
    display: inline-flex !important;
  }
  .sidebar-overlay {
    display: block !important;
  }
  .sidebar-overlay.active {
    opacity: 1 !important;
    pointer-events: auto !important;
  }
  .campus-sidebar {
    position: fixed !important;
    top: 76px !important;
    left: 0 !important;
    bottom: 0 !important;
    width: 290px !important;
    z-index: 95 !important;
    transform: translateX(-100%) !important;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) !important;
    box-shadow: 12px 0 35px rgba(15, 23, 42, 0.18) !important;
  }
  .campus-sidebar.open {
    transform: translateX(0) !important;
  }
  .campus-main {
    padding: 24px 18px 70px !important;
  }
  .campus-topbar {
    padding: 0 18px !important;
  }
  .topbar-right .exit-portal-link span,
  .topbar-right .btn-logout span {
    display: none;
  }
}

@media (max-width: 640px) {
  .topbar-right .db-status-pill {
    display: none;
  }
  .view-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}

/* 2. HERO BANNER DE ESTUDIANTE (ENFOQUE PRIORITARIO) */
.student-hero-banner {
  background: linear-gradient(135deg, #0A192F 0%, #164194 65%, #0C74BB 100%);
  border-radius: 20px;
  padding: 32px 36px;
  color: #FFFFFF;
  margin-bottom: 32px;
  box-shadow: 0 16px 36px rgba(22, 65, 148, 0.22);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  position: relative;
  overflow: hidden;
}

.student-hero-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(12, 116, 187, 0.35) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.student-hero-content {
  max-width: 650px;
  position: relative;
  z-index: 2;
}

.student-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.student-hero-title {
  font-family: Karla, sans-serif;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 8px;
  color: #FFFFFF;
}

.student-hero-desc {
  font-size: 14px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 20px;
}

.student-hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-hero-primary {
  background: #FFFFFF;
  color: #164194;
  font-weight: 750;
  padding: 10px 20px;
  border-radius: 12px;
  font-size: 13.5px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.25s ease;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
  border: none;
  cursor: pointer;
}
.btn-hero-primary:hover {
  background: #EFF6FF;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.student-hero-stats {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  padding: 20px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 180px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.student-hero-circle-val {
  font-size: 38px;
  font-weight: 900;
  font-family: Karla, sans-serif;
  color: #FFFFFF;
  line-height: 1;
}

.student-hero-circle-sub {
  font-size: 12px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 6px;
}

/* 3. TARJETAS DE CURSO PRO (STUDENT & TEACHER) */
.course-card-pro {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.course-card-pro:hover {
  transform: translateY(-6px);
  border-color: #93C5FD;
  box-shadow: 0 16px 32px rgba(22, 65, 148, 0.12);
}

.course-thumb-container {
  position: relative;
  height: 190px;
  overflow: hidden;
  background: #0F172A;
}

.course-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.course-card-pro:hover .course-thumb-img {
  transform: scale(1.05);
}

.course-badge-category {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(6px);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 8px;
  letter-spacing: 0.03em;
}

.course-badge-duration {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(22, 65, 148, 0.9);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 6px;
}

.course-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.course-code {
  font-size: 11px;
  font-weight: 750;
  color: var(--wk-blue-light);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.course-title-pro {
  font-family: Karla, sans-serif;
  font-size: 18px;
  font-weight: 800;
  color: var(--wk-text-primary);
  line-height: 1.3;
  margin-bottom: 8px;
}

.course-desc-pro {
  font-size: 13px;
  color: var(--wk-text-muted);
  line-height: 1.55;
  margin-bottom: 18px;
  flex-grow: 1;
}

.course-progress-track {
  background: #F1F5F9;
  height: 6px;
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 8px;
}

.course-progress-bar {
  background: linear-gradient(90deg, #164194, #0C74BB);
  height: 100%;
  border-radius: 999px;
  transition: width 0.4s ease;
}

.course-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--wk-text-muted);
  margin-bottom: 16px;
}

.btn-course-enter {
  width: 100%;
  background: #164194;
  color: #FFFFFF;
  font-weight: 700;
  font-size: 13.5px;
  padding: 10px 16px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn-course-enter:hover {
  background: #0C74BB;
  box-shadow: 0 4px 14px rgba(12, 116, 187, 0.3);
}

/* 4. AULA VIRTUAL & LESSON PLAYER (SPLIT VIEW) */
.player-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 28px;
  align-items: start;
}
@media (max-width: 1100px) {
  .player-layout {
    grid-template-columns: 1fr;
  }
}

.player-main-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.video-cinema-card {
  background: #000000;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.2);
  position: relative;
  aspect-ratio: 16 / 9;
}

.video-cinema-card iframe,
.video-cinema-card video {
  width: 100%;
  height: 100%;
  border: none;
}

.player-tab-header {
  display: flex;
  gap: 10px;
  border-bottom: 1px solid #E2E8F0;
  padding-bottom: 12px;
  margin-top: 8px;
}

.player-tab-btn {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--wk-text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
}

.player-tab-btn.active {
  background: #164194;
  border-color: #164194;
  color: #FFFFFF;
}

.player-tab-content {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.syllabus-sidebar-card {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
  max-height: 80vh;
  overflow-y: auto;
}

.syllabus-module-title {
  font-size: 13px;
  font-weight: 750;
  color: var(--wk-blue-primary);
  margin-top: 14px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.syllabus-lesson-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: #F8FAFC;
  margin-bottom: 6px;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 13px;
}

.syllabus-lesson-row:hover {
  background: #EFF6FF;
  border-color: #BFDBFE;
}

.syllabus-lesson-row.active {
  background: #EFF6FF;
  border-color: #164194;
  font-weight: 700;
  color: #164194;
}

.syllabus-check {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1.5px solid #94A3B8;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  flex-shrink: 0;
}
.syllabus-check.completed {
  background: #10B981;
  border-color: #10B981;
  color: #FFFFFF;
}

/* 5. SUPER ADMIN SAAS FINANCIAL DASHBOARD & RECURRENCIAS */
.saas-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.saas-card {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  padding: 22px;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
  position: relative;
  overflow: hidden;
}

.saas-card.featured {
  background: linear-gradient(135deg, #FFFFFF 0%, #EFF6FF 100%);
  border-color: #93C5FD;
}

.saas-card-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--wk-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.saas-card-value {
  font-family: Karla, sans-serif;
  font-size: 28px;
  font-weight: 800;
  color: var(--wk-text-primary);
  line-height: 1.1;
  margin-bottom: 6px;
}

.saas-card-badge {
  font-size: 11px;
  font-weight: 750;
  padding: 3px 8px;
  border-radius: 999px;
  background: #ECFDF5;
  color: #059669;
}

/* TABLA SAAS DE PAGOS & RECURRENCIAS */
.table-container-responsive {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  overflow-x: auto;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
  margin-bottom: 32px;
}

.saas-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13.5px;
  min-width: 680px;
}

.saas-table th {
  background: #F8FAFC;
  padding: 14px 18px;
  font-size: 11px;
  font-weight: 750;
  color: #64748B;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid #E2E8F0;
}

.saas-table td {
  padding: 16px 18px;
  border-bottom: 1px solid #F1F5F9;
  color: var(--wk-text-secondary);
}

.saas-table tr:hover td {
  background: #F8FAFC;
}

.status-pill-paid {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 6px !important;
  background: #ECFDF5 !important;
  color: #047857 !important;
  border: 1px solid #A7F3D0 !important;
  padding: 4px 12px !important;
  border-radius: 999px !important;
  font-size: 11.5px !important;
  font-weight: 700 !important;
  white-space: nowrap !important;
  line-height: 1.2 !important;
}

/* 6. BUSCADOR Y FILTROS EN DIRECTORIO DE USUARIOS */
.directory-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.search-input-wrap {
  position: relative;
  min-width: 280px;
  flex-grow: 1;
  max-width: 420px;
}

.search-input-wrap input {
  width: 100%;
  padding: 10px 16px 10px 38px;
  border-radius: 12px;
  border: 1px solid #E2E8F0;
  background: #FFFFFF;
  font-size: 13.5px;
  outline: none;
  transition: all 0.2s;
}
.search-input-wrap input:focus {
  border-color: #164194;
  box-shadow: 0 0 0 3px rgba(22, 65, 148, 0.1);
}

.search-icon-svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: #94A3B8;
  pointer-events: none;
}

.filter-select {
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid #E2E8F0;
  background: #FFFFFF;
  font-size: 13px;
  font-weight: 600;
  color: var(--wk-text-secondary);
  cursor: pointer;
}

/* 7. MODAL SYSTEM */
.campus-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(5px);
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.campus-modal-card {
  background: #FFFFFF;
  border-radius: 20px;
  width: 100%;
  max-width: 540px;
  box-shadow: 0 24px 48px rgba(15, 23, 42, 0.2);
  overflow: hidden;
  animation: modalPop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  0% { transform: scale(0.95); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.campus-modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid #E2E8F0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.campus-modal-header h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--wk-blue-primary);
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 24px;
  line-height: 1;
  color: #94A3B8;
  cursor: pointer;
  padding: 4px;
}
.modal-close-btn:hover {
  color: #0F172A;
}

.campus-modal-body {
  padding: 24px;
}

.modal-form-group {
  margin-bottom: 16px;
}

.modal-label {
  display: block;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--wk-text-primary);
  margin-bottom: 6px;
}

.modal-input, .modal-select, .modal-textarea {
  width: 100%;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid #CBD5E1;
  font-size: 13.5px;
  outline: none;
}
.modal-input:focus, .modal-select:focus, .modal-textarea:focus {
  border-color: #164194;
  box-shadow: 0 0 0 3px rgba(22, 65, 148, 0.1);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 24px;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MOBILE DRAWER & TABLET ADAPTATIONS)
   ========================================================================== */
@media (max-width: 1024px) {
  .campus-layout {
    grid-template-columns: 1fr !important;
    grid-template-rows: auto 1fr !important;
  }
  
  .sidebar-toggle-btn {
    display: inline-flex !important;
  }
  
  .topbar-center {
    display: none !important;
  }

  .topbar-right .user-info-text {
    display: none !important;
  }
  
  .topbar-right .exit-portal-link span {
    display: none !important;
  }

  .sidebar-overlay {
    display: block !important;
    pointer-events: none;
    opacity: 0;
  }
  .sidebar-overlay.active {
    pointer-events: auto !important;
    opacity: 1 !important;
  }

  .campus-sidebar {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    bottom: 0 !important;
    width: 290px !important;
    max-width: 85vw !important;
    z-index: 100 !important;
    display: flex !important;
    flex-direction: column !important;
    transform: translateX(-100%) !important;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) !important;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35) !important;
  }
  
  .campus-sidebar.open {
    transform: translateX(0) !important;
    display: flex !important;
  }

  .player-layout {
    grid-template-columns: 1fr !important;
  }

  .player-tab-header {
    display: flex !important;
    gap: 8px !important;
    border-bottom: 1px solid #E2E8F0 !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    white-space: nowrap !important;
    padding-bottom: 4px !important;
  }
  .player-tab-header::-webkit-scrollbar {
    display: none !important;
  }
  .player-tab-btn {
    white-space: nowrap !important;
    flex-shrink: 0 !important;
  }

  .attachment-card {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    flex-wrap: wrap !important;
    gap: 12px !important;
    padding: 14px 16px !important;
    background: #F8FAFC !important;
    border: 1px solid #E2E8F0 !important;
    border-radius: 12px !important;
  }
  .attachment-card .attachment-info {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    min-width: 0 !important;
    flex: 1 1 200px !important;
  }
  .attachment-card .attachment-filename {
    font-weight: 700 !important;
    font-size: 13.5px !important;
    color: #0F172A !important;
    word-break: break-word !important;
    overflow-wrap: anywhere !important;
  }
  .attachment-card .btn-download {
    background: #164194 !important;
    color: #FFFFFF !important;
    font-weight: 600 !important;
    text-decoration: none !important;
    padding: 8px 16px !important;
    border-radius: 8px !important;
    font-size: 12.5px !important;
    white-space: nowrap !important;
  }

  .saas-metrics-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .student-hero-banner {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 18px !important;
    padding: 22px 18px !important;
  }
  
  .hero-progress-pill {
    width: 100% !important;
    justify-content: flex-start !important;
  }
  
  .directory-controls {
    flex-direction: column !important;
    align-items: stretch !important;
  }
  
  .search-input-wrap {
    min-width: 100% !important;
  }
}

@media (max-width: 768px) {
  html, body {
    max-width: 100vw !important;
    overflow-x: hidden !important;
  }

  .campus-layout {
    width: 100% !important;
    max-width: 100vw !important;
    overflow-x: hidden !important;
  }

  .campus-topbar {
    padding: 0 10px !important;
    height: 58px !important;
    gap: 8px !important;
    width: 100% !important;
    max-width: 100vw !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  .topbar-brand {
    gap: 8px !important;
    min-width: 0 !important;
    flex-shrink: 1 !important;
  }

  .topbar-brand a {
    display: flex !important;
    align-items: center !important;
    min-width: 0 !important;
    max-width: 110px !important;
    flex-shrink: 1 !important;
  }

  .topbar-brand img {
    height: 28px !important;
    max-width: 100px !important;
    min-width: 0 !important;
    width: auto !important;
    object-fit: contain !important;
  }

  .topbar-badge {
    display: none !important;
  }

  .topbar-right {
    gap: 6px !important;
    flex-shrink: 0 !important;
  }

  .topbar-right .exit-portal-link,
  .exit-portal-link {
    display: none !important;
  }

  .topbar-right .btn-logout span,
  .btn-logout span {
    display: none !important;
  }

  .topbar-right .btn-logout,
  .btn-logout {
    padding: 6px 8px !important;
    min-width: 32px !important;
  }

  .user-profile-chip {
    padding: 2px 4px !important;
  }

  .user-info-text {
    display: none !important;
  }

  .btn-sidebar-icon {
    width: 34px !important;
    height: 34px !important;
    padding: 0 !important;
  }

  .campus-main {
    padding: 12px 10px !important;
    width: 100% !important;
    max-width: 100vw !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }

  .view-header {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 10px !important;
  }
  .view-header h1 {
    font-size: 20px !important;
    line-height: 1.25 !important;
  }

  .player-layout {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    gap: 14px !important;
  }

  .player-main-col {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    overflow-x: hidden !important;
  }

  .player-tab-header {
    display: flex !important;
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
    flex-wrap: nowrap !important;
    gap: 6px !important;
    padding-bottom: 6px !important;
    border-bottom: 1px solid var(--wk-border) !important;
  }

  .player-tab-header::-webkit-scrollbar {
    display: none !important;
  }

  .player-tab-btn {
    flex-shrink: 0 !important;
    white-space: nowrap !important;
    font-size: 11.5px !important;
    padding: 6px 10px !important;
  }

  .azure-labs-card {
    padding: 16px !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 14px !important;
  }

  .course-cards-grid {
    grid-template-columns: 1fr !important;
  }

  .saas-metrics-grid {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }

  .student-hero-banner {
    padding: 16px 14px !important;
  }

  .student-hero-title {
    font-size: 20px !important;
  }

  .student-hero-actions .btn-hero-primary {
    width: 100% !important;
    justify-content: center !important;
  }

  .login-card {
    padding: 24px 18px !important;
    border-radius: 16px !important;
  }

  .login-view-wrapper {
    padding: 12px !important;
  }

  .login-quick-grid {
    grid-template-columns: 1fr !important;
  }

  .table-container-responsive {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    width: 100% !important;
    max-width: 100% !important;
  }
}

/* ==========================================================
   TEMA OSCURO (DARK MODE SAAS PROFESIONAL CON CONTRASTE ELEVADO)
   ========================================================== */
[data-theme="dark"] {
  --wk-bg-page: #0B132B;
  --wk-bg-surface: #111E3E;
  --wk-bg-card: #15244C;
  --wk-bg-subtle: #1C2B54;
  --wk-bg-hover: #1E3160;

  --wk-border: #233568;
  --wk-border-light: #1A284E;
  --wk-border-hover: #3B82F6;
  --wk-border-focus: #60A5FA;

  --wk-text-primary: #FFFFFF;
  --wk-text-secondary: #CBD5E1;
  --wk-text-muted: #94A3B8;
  --wk-text-light: #64748B;

  --wk-shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.35);
  --wk-shadow-sm: 0 2px 5px 0 rgba(0, 0, 0, 0.45);
  --wk-shadow-md: 0 6px 18px -2px rgba(0, 0, 0, 0.55);
}

[data-theme="dark"] body {
  background-color: #0B132B !important;
  color: #CBD5E1 !important;
  background-image: radial-gradient(#1A2B54 1px, transparent 1px) !important;
}

[data-theme="dark"] .campus-topbar {
  background: rgba(17, 30, 62, 0.95) !important;
  border-bottom-color: #233568 !important;
}

[data-theme="dark"] .campus-sidebar {
  background: #111E3E !important;
  border-right-color: #233568 !important;
}

[data-theme="dark"] .nav-item {
  background: #142247 !important;
  border-color: #233568 !important;
  color: #CBD5E1 !important;
}
[data-theme="dark"] .nav-item:hover {
  background: #1C2B54 !important;
  border-color: #3B82F6 !important;
  color: #FFFFFF !important;
}
[data-theme="dark"] .nav-item.active {
  background: linear-gradient(135deg, #164194 0%, #0C74BB 100%) !important;
  border-color: #0C74BB !important;
  color: #FFFFFF !important;
}
[data-theme="dark"] .nav-item-icon {
  background: #1C2B54 !important;
  color: #60A5FA !important;
}

[data-theme="dark"] .card,
[data-theme="dark"] .metric-card,
[data-theme="dark"] .saas-card,
[data-theme="dark"] .course-card-pro,
[data-theme="dark"] .table-card,
[data-theme="dark"] .syllabus-sidebar-card,
[data-theme="dark"] .attachment-card,
[data-theme="dark"] .modal-container,
[data-theme="dark"] .sidebar-user-footer,
[data-theme="dark"] .sidebar-footer,
[data-theme="dark"] .sidebar-user-card,
[data-theme="dark"] .table-container-responsive,
[data-theme="dark"] .campus-modal-card {
  background: #142247 !important;
  border-color: #233568 !important;
  color: #CBD5E1 !important;
}

[data-theme="dark"] .saas-card.featured {
  background: linear-gradient(135deg, #132247 0%, #173269 100%) !important;
  border-color: #3B82F6 !important;
}

[data-theme="dark"] .saas-card-value {
  color: #FFFFFF !important;
}

[data-theme="dark"] .saas-card-label {
  color: #94A3B8 !important;
}

[data-theme="dark"] .saas-table {
  color: #CBD5E1 !important;
}

[data-theme="dark"] .saas-table th,
[data-theme="dark"] .table-pro th {
  background: #0E1833 !important;
  color: #94A3B8 !important;
  border-bottom-color: #233568 !important;
}

[data-theme="dark"] .saas-table td,
[data-theme="dark"] .table-pro td {
  border-bottom-color: #1A284E !important;
  color: #CBD5E1 !important;
}

[data-theme="dark"] .saas-table tr:hover td,
[data-theme="dark"] .table-pro tr:hover td {
  background: #182852 !important;
}

[data-theme="dark"] .status-pill-paid {
  background: rgba(16, 185, 129, 0.15) !important;
  border-color: rgba(16, 185, 129, 0.4) !important;
  color: #34D399 !important;
}

[data-theme="dark"] .toast {
  background: #1E293B !important;
  border-color: #334155 !important;
  color: #F8FAFC !important;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45) !important;
}

[data-theme="dark"] .login-input,
[data-theme="dark"] .search-input-wrap input,
[data-theme="dark"] .modal-input,
[data-theme="dark"] .modal-select,
[data-theme="dark"] .modal-textarea,
[data-theme="dark"] .role-switcher-select {
  background: #0E1833 !important;
  border-color: #233568 !important;
  color: #F8FAFC !important;
}

[data-theme="dark"] .syllabus-lesson-row {
  background: #111E3E !important;
  border-color: #1A284E !important;
  color: #CBD5E1 !important;
}
[data-theme="dark"] .syllabus-lesson-row:hover {
  background: #1C2B54 !important;
  color: #FFFFFF !important;
}
[data-theme="dark"] .syllabus-lesson-row.active {
  background: #164194 !important;
  color: #FFFFFF !important;
}

/* ==========================================================
   QUIZ & EVALUACIÓN TÉCNICA INTERACTIVA POR CLASE
   ========================================================== */
.quiz-container {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.quiz-intro-card {
  padding: 16px 20px;
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
[data-theme="dark"] .quiz-intro-card {
  background: #172554;
  border-color: #1E40AF;
}

.quiz-question-card {
  background: var(--wk-bg-surface);
  border: 1px solid var(--wk-border);
  border-radius: 16px;
  padding: 22px;
  box-shadow: var(--wk-shadow-xs);
  transition: all 0.2s ease;
}

.quiz-question-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}

.quiz-question-number {
  padding: 3px 10px;
  border-radius: 999px;
  background: #EFF6FF;
  color: #164194;
  font-size: 11.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}
[data-theme="dark"] .quiz-question-number {
  background: #1E3A8A;
  color: #93C5FD;
}

.quiz-question-text {
  font-size: 15px;
  font-weight: 700;
  color: var(--wk-text-primary);
  line-height: 1.45;
}

.quiz-options-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.quiz-option-label {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1.5px solid var(--wk-border);
  background: var(--wk-bg-page);
  color: var(--wk-text-secondary);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}
.quiz-option-label:hover {
  background: var(--wk-bg-hover);
  border-color: var(--wk-blue-light);
  transform: translateX(2px);
}
.quiz-option-label.selected {
  border-color: #164194;
  background: #EFF6FF;
  color: #164194;
  font-weight: 650;
}
[data-theme="dark"] .quiz-option-label.selected {
  background: #172554;
  border-color: #3B82F6;
  color: #93C5FD;
}

.quiz-option-label.correct {
  border-color: #059669 !important;
  background: #ECFDF5 !important;
  color: #065F46 !important;
  font-weight: 700 !important;
}
[data-theme="dark"] .quiz-option-label.correct {
  background: #064E3B !important;
  color: #A7F3D0 !important;
  border-color: #10B981 !important;
}

.quiz-option-label.incorrect {
  border-color: #DC2626 !important;
  background: #FEF2F2 !important;
  color: #991B1B !important;
}
[data-theme="dark"] .quiz-option-label.incorrect {
  background: #7F1D1D !important;
  color: #FECACA !important;
  border-color: #EF4444 !important;
}

.quiz-explanation-box {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 10px;
  background: #F0FDF4;
  border: 1px solid #BBF7D0;
  color: #166534;
  font-size: 13px;
  line-height: 1.5;
}
[data-theme="dark"] .quiz-explanation-box {
  background: #064E3B;
  border-color: #047857;
  color: #D1FAE5;
}

/* ==========================================================
   VISOR MULTIFORMATO: PRESENTACIÓN DE DIAPOSITIVAS & INFOGRAFÍA
   ========================================================== */
.slides-player-card {
  background: #0B132B;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(11, 19, 43, 0.4);
  color: #FFFFFF;
  border: 1px solid #1E293B;
}

.slide-viewport {
  padding: 44px 36px;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  background: radial-gradient(circle at top right, #162750 0%, #0B132B 80%);
}

.slide-badge-pill {
  align-self: flex-start;
  padding: 4px 12px;
  background: rgba(12, 116, 187, 0.35);
  border: 1px solid rgba(12, 116, 187, 0.6);
  color: #93C5FD;
  font-size: 11px;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: 999px;
  margin-bottom: 14px;
}

.slide-title-hero {
  font-size: 26px;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.25;
  margin-bottom: 8px;
  font-family: var(--wk-font-heading);
}

.slide-subtitle-tech {
  font-size: 14.5px;
  color: #94A3B8;
  margin-bottom: 22px;
  font-weight: 500;
}

.slide-bullets-deck {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.slide-bullet-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 13.5px;
  color: #E2E8F0;
  line-height: 1.5;
}

.slide-bullet-icon {
  color: #38BDF8;
  flex-shrink: 0;
  margin-top: 2px;
}

.slides-controls-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: #070D1F;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.slide-btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  font-size: 12.5px;
  font-weight: 650;
  cursor: pointer;
  transition: all 0.2s;
}
.slide-btn-nav:hover:not(:disabled) {
  background: #164194;
  border-color: #38BDF8;
}
.slide-btn-nav:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* INFOGRAFÍA / DIAGRAMA TÉCNICO VIEWER */
.infographic-viewer-card {
  background: #0B132B;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid #1E293B;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.infographic-img-wrap {
  position: relative;
  background: #000000;
  text-align: center;
  max-height: 520px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.infographic-img-wrap img {
  max-width: 100%;
  max-height: 520px;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.infographic-caption-bar {
  padding: 16px 24px;
  background: #111E3E;
  border-top: 1px solid #233568;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

/* ==========================================================
   FASE 4 Y 5: PROYECTO CAPSTONE & SHAREPOINT
   ========================================================== */
.sharepoint-capstone-card {
  background: linear-gradient(135deg, #0f2757 0%, #164194 60%, #0369a1 100%);
  color: #FFFFFF;
  border-radius: 18px;
  padding: 26px 30px;
  margin-bottom: 24px;
  box-shadow: 0 8px 25px rgba(15, 39, 87, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.sharepoint-btn-open {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  background: #FFFFFF;
  color: #0f2757 !important;
  border-radius: 12px;
  font-weight: 750;
  font-size: 13.5px;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.sharepoint-btn-open:hover {
  background: #F8FAFC;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

/* ==========================================================
   CERTIFICADOS OFICIALES & DIPLOMA MODAL
   ========================================================== */
.cert-seal-gold {
  background: radial-gradient(circle, #fef08a 0%, #ca8a04 70%, #854d0e 100%);
  box-shadow: 0 0 20px rgba(202, 138, 4, 0.4);
}

/* ==========================================================
   PRESENTACIÓN DEL CURSO / INDUCCIÓN INICIAL
   ========================================================== */
.course-intro-hero {
  background: linear-gradient(135deg, #0B1A3D 0%, #164194 65%, #0C74BB 100%);
  border-radius: 20px;
  padding: 36px 40px;
  color: #FFFFFF;
  margin-bottom: 28px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(11, 26, 61, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.course-intro-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.course-intro-title {
  font-size: 30px;
  font-weight: 850;
  line-height: 1.25;
  margin-bottom: 12px;
  color: #FFFFFF;
}

.course-intro-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.88);
  max-width: 820px;
  line-height: 1.6;
  margin-bottom: 24px;
}

.course-intro-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.course-intro-card {
  background: var(--wk-bg-surface);
  border: 1px solid var(--wk-border);
  border-radius: 16px;
  padding: 22px;
  box-shadow: var(--wk-shadow-xs);
}

/* ==========================================================
   BARRA DE CONTROL DOCENTE / MODO EDITOR
   ========================================================== */
.teacher-control-bar {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  border: 1px solid #334155;
  border-radius: 16px;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 22px;
  color: #FFFFFF;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.teacher-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  background: #3B82F6;
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.teacher-actions-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.btn-teacher-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 650;
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn-teacher-action:hover {
  background: rgba(255, 255, 255, 0.22);
  transform: translateY(-1px);
}

/* ==========================================================
   REGISTRO Y CALIFICADOR EN VIVO (DOCENTE LIVE GRADING)
   ========================================================== */
.teacher-grading-panel {
  background: var(--wk-bg-surface);
  border: 1px solid var(--wk-border);
  border-radius: 18px;
  padding: 24px;
  margin-top: 30px;
  box-shadow: var(--wk-shadow-xs);
}

.grading-controls-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.live-point-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 9px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.18s ease;
  border: none;
}
.live-point-chip.plus {
  background: #ECFDF5;
  color: #059669;
  border: 1px solid #A7F3D0;
}
.live-point-chip.plus:hover {
  background: #10B981;
  color: #FFFFFF;
}
.live-point-chip.minus {
  background: #FEF2F2;
  color: #DC2626;
  border: 1px solid #FECACA;
}
.live-point-chip.minus:hover {
  background: #EF4444;
  color: #FFFFFF;
}

/* ==========================================================
   VISOR 3D INTERACTIVO (NAVISWORKS / BIM / PLANT 3D)
   ========================================================== */
.navisworks-viewer-container {
  background: #0B132B;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid #1E293B;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  position: relative;
}

.navisworks-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: #0F172A;
  border-bottom: 1px solid #1E293B;
  flex-wrap: wrap;
  gap: 10px;
}

.navisworks-viewport {
  position: relative;
  width: 100%;
  height: 480px;
  background: radial-gradient(circle at center, #1E293B 0%, #090D1A 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  overflow: hidden;
}
.navisworks-viewport:active {
  cursor: grabbing;
}

.model-3d-overlay-card {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 12px 16px;
  color: #FFFFFF;
  max-width: 280px;
  font-size: 12px;
  pointer-events: none;
}

/* ==========================================================
   ESTACIONES REMOTAS AZURE (AZURE VIRTUAL DESKTOP)
   ========================================================== */
.azure-labs-card {
  background: linear-gradient(135deg, #092C6C 0%, #0078D4 100%);
  color: #FFFFFF;
  border-radius: 18px;
  padding: 24px 28px;
  margin-bottom: 24px;
  box-shadow: 0 8px 24px rgba(0, 120, 212, 0.25);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.azure-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(16, 185, 129, 0.25);
  border: 1px solid #10B981;
  color: #A7F3D0;
  font-size: 11px;
  font-weight: 750;
}

/* ==========================================================
   GESTOR DE CARPETAS Y RECURSOS TÉCNICOS (DOCENTE)
   ========================================================== */
.folder-manager-tree {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.folder-node {
  background: var(--wk-bg-surface);
  border: 1px solid var(--wk-border);
  border-radius: 12px;
  padding: 14px 18px;
  transition: all 0.2s ease;
}
.folder-node:hover {
  border-color: var(--wk-blue-light);
}

.folder-node-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.folder-items-list {
  margin-top: 10px;
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ==========================================================
   NOTIFICACIONES IN-APP DROPDOWN FLYOUT
   ========================================================== */
.notifications-flyout {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 340px;
  max-width: 90vw;
  background: var(--wk-bg-surface);
  border: 1px solid var(--wk-border);
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.16);
  z-index: 100;
  overflow: hidden;
  animation: fadeInDown 0.2s ease;
}

.notif-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--wk-border-light);
  background: var(--wk-bg-page);
}

.notif-item {
  padding: 12px 18px;
  border-bottom: 1px solid var(--wk-border-light);
  display: flex;
  gap: 12px;
  align-items: flex-start;
  transition: background 0.15s ease;
}
.notif-item:hover {
  background: var(--wk-bg-hover);
}
.notif-item.unread {
  background: #EFF6FF;
}
[data-theme="dark"] .notif-item.unread {
  background: #172554;
}

.notification-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: #EF4444;
  color: #FFFFFF;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 800;
  width: 17px;
  height: 17px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #FFFFFF;
}

/* ==========================================================
   PESTAÑAS SEGMENTADAS (DIRECTORIO DE USUARIOS & FILTROS)
   ========================================================== */
.segmented-tab-group {
  display: inline-flex;
  align-items: center;
  background: var(--wk-bg-subtle);
  padding: 4px;
  border-radius: 12px;
  border: 1px solid var(--wk-border);
  gap: 4px;
  margin-bottom: 20px;
}

.segmented-tab-btn {
  padding: 7px 18px;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 650;
  color: var(--wk-text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.segmented-tab-btn.active {
  background: var(--wk-bg-surface);
  color: var(--wk-blue-primary);
  box-shadow: var(--wk-shadow-xs);
  font-weight: 750;
}

/* ==========================================================
   SEGURIDAD & CAPTCHA EN LOGIN
   ========================================================== */
.security-check-card {
  padding: 10px 14px;
  background: var(--wk-bg-page);
  border: 1px solid var(--wk-border);
  border-radius: 10px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.security-checkbox {
  width: 16px;
  height: 16px;
  accent-color: #164194;
  cursor: pointer;
}

.forgot-pass-btn {
  background: none;
  border: none;
  color: var(--wk-blue-light);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
}
.forgot-pass-btn:hover {
  text-decoration: underline;
  color: var(--wk-blue-primary);
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================
   BOTÓN MARCAR LEÍDAS & NOTIFICACIONES MODERNAS
   ========================================================== */
.btn-text-action {
  background: rgba(22, 65, 148, 0.08);
  color: #164194;
  border: 1px solid rgba(22, 65, 148, 0.16);
  padding: 4px 11px;
  border-radius: 7px;
  font-size: 11.5px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  outline: none;
}
.btn-text-action:hover {
  background: #164194;
  color: #FFFFFF;
  border-color: #164194;
  box-shadow: 0 2px 6px rgba(22, 65, 148, 0.25);
}

.notifications-flyout {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 350px;
  max-width: calc(100vw - 32px);
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 14px;
  box-shadow: 0 16px 36px -8px rgba(15, 23, 42, 0.18), 0 0 0 1px rgba(15, 23, 42, 0.05);
  z-index: 1200;
  overflow: hidden;
  animation: fadeInDown 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-theme="dark"] .notifications-flyout {
  background: #0f172a;
  border-color: #1e293b;
  box-shadow: 0 16px 36px -8px rgba(0, 0, 0, 0.4);
}

.notif-header {
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--wk-border);
  background: var(--wk-bg-page);
}

.notif-list {
  max-height: 380px;
  overflow-y: auto;
}

.notif-item {
  padding: 12px 16px;
  border-bottom: 1px solid var(--wk-border-light);
  display: flex;
  gap: 12px;
  align-items: flex-start;
  transition: background 0.15s ease;
}
.notif-item:hover {
  background: var(--wk-bg-page);
}

/* ==========================================================
   BOTONES DE DESCARGA DE ARCHIVOS PREMIUM
   ========================================================== */
.btn-download-modern {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 15px;
  border-radius: 9px;
  background: #0f172a;
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.15);
  flex-shrink: 0;
}
.btn-download-modern:hover {
  background: #164194;
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(22, 65, 148, 0.3);
}
.btn-download-modern svg {
  width: 14px;
  height: 14px;
}
.btn-download-modern .file-size-chip {
  font-size: 10px;
  opacity: 0.8;
  background: rgba(255, 255, 255, 0.18);
  padding: 2px 5px;
  border-radius: 4px;
}

/* ==========================================================
   GESTOR DE CARPETAS Y RECURSOS (DRIVE STYLE)
   ========================================================== */
.folder-explorer-wrap {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.folder-top-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  margin-bottom: 8px;
  flex-wrap: wrap;
  gap: 10px;
}
[data-theme="dark"] .folder-top-toolbar {
  background: #1e293b;
  border-color: #334155;
}

.folder-inline-card {
  padding: 14px 16px;
  background: #EFF6FF;
  border: 1.5px dashed #93C5FD;
  border-radius: 12px;
  margin-bottom: 12px;
  animation: fadeInDown 0.2s ease;
}
[data-theme="dark"] .folder-inline-card {
  background: #1e3a8a33;
  border-color: #3b82f6;
}

.folder-card-modern {
  border: 1px solid var(--wk-border);
  background: var(--wk-bg-surface);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--wk-shadow-xs);
  transition: border-color 0.2s;
}
.folder-card-modern:hover {
  border-color: #93C5FD;
}

.folder-card-header {
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--wk-bg-page);
  border-bottom: 1px solid var(--wk-border-light);
  gap: 12px;
  flex-wrap: wrap;
}

.folder-title-area {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 750;
  font-size: 14px;
  color: var(--wk-text-primary);
}

.folder-actions-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-folder-tool {
  padding: 5px 9px;
  border-radius: 7px;
  border: 1px solid var(--wk-border);
  background: var(--wk-bg-surface);
  color: var(--wk-text-secondary);
  font-size: 11.5px;
  font-weight: 650;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s ease;
}
.btn-folder-tool:hover {
  border-color: #164194;
  color: #164194;
  background: #EFF6FF;
}

.file-item-row {
  padding: 10px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--wk-border-light);
  font-size: 13px;
  color: var(--wk-text-secondary);
  gap: 12px;
}
.file-item-row:last-child {
  border-bottom: none;
}
.file-item-row:hover {
  background: var(--wk-bg-page);
}

/* ==========================================================
   SUB-ITEMS DE QUIZ Y EXAMEN EN TEMARIO LATERAL (CAPTURA 5)
   ========================================================== */
.syllabus-quiz-subrow {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px 6px 28px;
  font-size: 11.5px;
  font-weight: 650;
  color: #0369a1;
  background: rgba(12, 116, 187, 0.05);
  border-left: 2px solid #0C74BB;
  border-radius: 0 6px 6px 0;
  margin-top: -2px;
  margin-bottom: 4px;
  cursor: pointer;
  transition: all 0.18s ease;
}
.syllabus-quiz-subrow:hover {
  background: rgba(12, 116, 187, 0.12);
  color: #0C74BB;
}
.syllabus-quiz-subrow.passed {
  color: #059669;
  background: rgba(16, 185, 129, 0.06);
  border-left-color: #10B981;
}

.syllabus-module-exam-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 10px;
  background: linear-gradient(135deg, #164194 0%, #0C74BB 100%);
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 800;
  margin-top: 8px;
  margin-bottom: 12px;
  box-shadow: 0 4px 12px rgba(22, 65, 148, 0.25);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.syllabus-module-exam-row:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(22, 65, 148, 0.35);
}
.syllabus-module-exam-row.locked {
  background: #64748B;
  opacity: 0.65;
  cursor: not-allowed;
  box-shadow: none;
}

/* ==========================================================
   VISOR 3D NAVISWORKS & ESTACIÓN AZURE SIMULATOR
   ========================================================== */
.canvas-3d-wrapper {
  position: relative;
  width: 100%;
  height: 420px;
  background: #0B132B;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: inset 0 2px 10px rgba(0,0,0,0.5);
}

.canvas-3d-hud {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 10;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  padding: 8px 14px;
  border-radius: 9px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  font-size: 12px;
}

.canvas-3d-controls-bar {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  padding: 6px 12px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-hud-control {
  background: rgba(255, 255, 255, 0.12);
  border: none;
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-hud-control:hover {
  background: #0C74BB;
}

.azure-desktop-console {
  background: #0F172A;
  border: 1px solid #334155;
  border-radius: 14px;
  overflow: hidden;
  color: #F8FAFC;
}

.azure-desktop-topbar {
  padding: 10px 16px;
  background: #1E293B;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #334155;
  font-size: 12px;
}

/* ==========================================================
   MODAL FRAMEWORK UNIVERSAL DEL CAMPUS (MODERN SAAS AESTHETICS)
   ========================================================== */
.campus-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(11, 19, 43, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 24px;
  overflow-y: auto;
  animation: modalFadeIn 0.2s ease-out forwards;
}

@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.campus-modal-card {
  background: var(--wk-bg-surface);
  border: 1px solid var(--wk-border);
  border-radius: 20px;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.08);
  width: 100%;
  max-width: 860px;
  max-height: calc(100vh - 48px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  animation: modalPopUp 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes modalPopUp {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(12px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.campus-modal-header {
  padding: 20px 28px;
  background: var(--wk-bg-page);
  border-bottom: 1px solid var(--wk-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-shrink: 0;
}

.campus-modal-header h3 {
  font-size: 19px;
  font-weight: 800;
  color: var(--wk-text-primary);
  margin: 0;
}

.campus-modal-body {
  padding: 28px;
  overflow-y: auto;
  flex: 1;
  color: var(--wk-text-primary);
}

/* ESTILOS DE PREGUNTAS DE EXAMEN (CARD PREGUNTAS Y OPCIONES) */
.exam-header-banner {
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
  border: 1px solid #BFDBFE;
  border-radius: 14px;
  padding: 18px 22px;
  margin-bottom: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}
[data-theme="dark"] .exam-header-banner {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  border-color: #3b82f6;
}

.exam-meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  background: #FFFFFF;
  color: #164194;
  border: 1px solid #BFDBFE;
}
[data-theme="dark"] .exam-meta-pill {
  background: #1e3a8a;
  color: #93C5FD;
  border-color: #3B82F6;
}

.exam-question-card {
  background: var(--wk-bg-page);
  border: 1px solid var(--wk-border);
  border-radius: 14px;
  padding: 20px 22px;
  margin-bottom: 16px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.exam-question-card:hover {
  border-color: #93C5FD;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
}

.exam-question-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}

.exam-question-title {
  font-size: 14.5px;
  font-weight: 750;
  color: var(--wk-text-primary);
  line-height: 1.45;
}

.exam-q-badge {
  font-size: 10.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 9px;
  border-radius: 6px;
  white-space: nowrap;
  flex-shrink: 0;
}
.exam-q-badge.choice {
  background: #EFF6FF;
  color: #1D4ED8;
  border: 1px solid #BFDBFE;
}
.exam-q-badge.essay {
  background: #FAF5FF;
  color: #7E22CE;
  border: 1px solid #E9D5FF;
}

.exam-choice-option {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--wk-bg-surface);
  border: 1.5px solid var(--wk-border-light);
  cursor: pointer;
  transition: all 0.18s ease;
  font-size: 13.5px;
  color: var(--wk-text-secondary);
  line-height: 1.4;
  margin-bottom: 8px;
}
.exam-choice-option:hover {
  background: #F0F7FF;
  border-color: #93C5FD;
  color: var(--wk-text-primary);
}
.exam-choice-option input[type="radio"]:checked + span {
  font-weight: 700;
  color: #164194;
}
.exam-choice-option:has(input[type="radio"]:checked) {
  background: #EFF6FF;
  border-color: #164194;
  box-shadow: 0 0 0 1px #164194;
}
[data-theme="dark"] .exam-choice-option:has(input[type="radio"]:checked) {
  background: #1e3a8a33;
  border-color: #3b82f6;
  box-shadow: 0 0 0 1px #3b82f6;
}

.exam-essay-textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1.5px solid var(--wk-border);
  background: var(--wk-bg-surface);
  color: var(--wk-text-primary);
  font-family: inherit;
  font-size: 13.5px;
  line-height: 1.5;
  resize: vertical;
  min-height: 110px;
  box-sizing: border-box;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.exam-essay-textarea:focus {
  outline: none;
  border-color: #164194;
  box-shadow: 0 0 0 3px rgba(22, 65, 148, 0.12);
}

.exam-sticky-actions {
  position: sticky;
  bottom: 0;
  background: var(--wk-bg-surface);
  padding: 16px 28px;
  border-top: 1px solid var(--wk-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-shrink: 0;
  margin: 0 -28px -28px;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.05);
}

.btn-exam-manage-chip {
  background: rgba(255, 255, 255, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #FFFFFF;
  font-size: 10px;
  font-weight: 750;
  padding: 3px 8px;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-exam-manage-chip:hover {
  background: #FFFFFF;
  color: #164194;
}

@media (max-width: 768px) {
  .campus-modal-backdrop {
    padding: 12px;
  }
  .campus-modal-card {
    max-height: calc(100vh - 24px);
    border-radius: 16px;
  }
  .campus-modal-header {
    padding: 16px 20px;
  }
  .campus-modal-body {
    padding: 20px;
  }
  .exam-sticky-actions {
    padding: 14px 20px;
    margin: 0 -20px -20px;
  }
}

/* ========================================================
   GESTOR DE RECURSOS Y CARPETAS - SAAS FILE MANAGER (MODERN UX)
   ======================================================== */
.folder-explorer-wrap {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.folder-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 6px;
}

.folder-stat-card {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}
.folder-stat-card:hover {
  border-color: #CBD5E1;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.05);
  transform: translateY(-1px);
}

.folder-stat-card .stat-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  flex-shrink: 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.folder-stat-card .stat-value {
  font-family: var(--wk-font-heading);
  font-weight: 800;
  font-size: 16px;
  color: #0F172A;
  line-height: 1.2;
}

.folder-stat-card .stat-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: #64748B;
  margin-top: 2px;
}

.folder-top-toolbar {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-top: 4px;
}

.folder-filter-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid #E2E8F0;
  margin-bottom: 6px;
}

.folder-chip {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  color: #475569;
  font-size: 12px;
  font-weight: 650;
  padding: 5px 12px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.15s;
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.folder-chip:hover {
  border-color: #0C74BB;
  color: #164194;
  background: #F1F5F9;
}
.folder-chip.active {
  background: #164194;
  border-color: #164194;
  color: #FFFFFF;
  box-shadow: 0 2px 6px rgba(22, 65, 148, 0.25);
}

.folder-inline-card {
  padding: 14px 18px;
  background: #F8FAFC;
  border: 1.5px dashed #0C74BB;
  border-radius: 12px;
  margin-bottom: 12px;
  animation: fadeInSlideDown 0.2s ease-out;
}

.folder-card-modern {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.folder-card-modern:hover {
  border-color: #CBD5E1;
  box-shadow: 0 4px 12px -2px rgba(15, 23, 42, 0.06);
}
.folder-card-modern.folder-drag-active {
  border: 2px dashed #164194 !important;
  background: #EFF6FF !important;
  box-shadow: 0 0 0 4px rgba(22, 65, 148, 0.12) !important;
}

.folder-card-header {
  padding: 12px 18px;
  background: #F8FAFC;
  border-bottom: 1px solid #E2E8F0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.folder-title-area {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex-wrap: wrap;
}

.folder-name-label {
  font-family: var(--wk-font-heading);
  font-weight: 750;
  font-size: 14.5px;
  color: #0F172A;
  max-width: 380px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.folder-pill-badge {
  background: #E2E8F0;
  color: #334155;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 12px;
  white-space: nowrap;
}

.folder-pill-size {
  background: #EEF2F6;
  color: #64748B;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 12px;
  white-space: nowrap;
}

.btn-folder-inline-rename {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  color: #475569;
  font-size: 11px;
  font-weight: 650;
  padding: 3px 9px;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s;
}
.btn-folder-inline-rename:hover {
  border-color: #164194;
  color: #164194;
  background: #F1F5F9;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.folder-actions-row {
  display: flex;
  gap: 6px;
  align-items: center;
}

.btn-folder-tool {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  color: #334155;
  font-size: 11.5px;
  font-weight: 650;
  padding: 5px 10px;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s;
  user-select: none;
}
.btn-folder-tool:hover {
  background: #F1F5F9;
  border-color: #CBD5E1;
  color: #0F172A;
}
.btn-folder-tool.primary {
  background: #164194;
  border-color: #164194;
  color: #FFFFFF;
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(22, 65, 148, 0.2);
}
.btn-folder-tool.primary:hover {
  background: #0C74BB;
  border-color: #0C74BB;
}
.btn-folder-tool.danger {
  color: #DC2626;
  border-color: #FECACA;
  background: #FEF2F2;
}
.btn-folder-tool.danger:hover {
  background: #DC2626;
  color: #FFFFFF;
  border-color: #DC2626;
}
.btn-folder-tool.chevron {
  padding: 5px 8px;
  font-size: 10px;
}

.folder-dropzone {
  margin: 12px 16px 14px;
  border: 2px dashed #CBD5E1;
  border-radius: 10px;
  background: #F8FAFC;
  padding: 16px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}
.folder-dropzone:hover {
  border-color: #0C74BB;
  background: #F0F9FF;
}

.dropzone-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.dropzone-cloud-icon {
  font-size: 28px;
  line-height: 1;
}

.dropzone-text-group {
  text-align: left;
}

.dropzone-main-text {
  font-size: 13px;
  font-weight: 650;
  color: #1E293B;
}

.dropzone-browse-link {
  color: #164194;
  text-decoration: underline;
  font-weight: 750;
}

.dropzone-sub-text {
  font-size: 11.5px;
  color: #64748B;
  margin-top: 2px;
}

.folder-items-list {
  padding: 0 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.file-item-row-modern {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 8px 12px;
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 10px;
  transition: all 0.15s;
}
.file-item-row-modern:hover {
  background: #F8FAFC;
  border-color: #CBD5E1;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.04);
}

.file-icon-box {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
  font-weight: 800;
}

.file-title-text {
  font-size: 13px;
  font-weight: 700;
  color: #0F172A;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 440px;
}

.file-meta-subtext {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: #64748B;
  margin-top: 2px;
}

.file-format-chip {
  font-size: 9.5px;
  font-weight: 800;
  padding: 1px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

/* File badges by extension */
.badge-pdf {
  background: #FEF2F2 !important;
  color: #DC2626 !important;
  border: 1px solid #FECACA !important;
}
.badge-dwg {
  background: #EEF2FF !important;
  color: #4F46E5 !important;
  border: 1px solid #C7D2FE !important;
}
.badge-3d {
  background: #F5F3FF !important;
  color: #7C3AED !important;
  border: 1px solid #DDD6FE !important;
}
.badge-xls {
  background: #ECFDF5 !important;
  color: #059669 !important;
  border: 1px solid #A7F3D0 !important;
}
.badge-doc {
  background: #EFF6FF !important;
  color: #2563EB !important;
  border: 1px solid #BFDBFE !important;
}
.badge-zip {
  background: #FFFBEB !important;
  color: #D97706 !important;
  border: 1px solid #FDE68A !important;
}
.badge-video {
  background: #FDF2F8 !important;
  color: #DB2777 !important;
  border: 1px solid #FBCFE8 !important;
}

.file-actions-group {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-shrink: 0;
}

.btn-download-modern {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: #F1F5F9;
  border: 1px solid #CBD5E1;
  color: #164194;
  font-size: 11.5px;
  font-weight: 750;
  border-radius: 7px;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-download-modern svg {
  width: 14px;
  height: 14px;
}
.btn-download-modern .file-size-chip {
  background: #E2E8F0;
  color: #475569;
  font-size: 9.5px;
  padding: 1px 5px;
  border-radius: 4px;
  font-weight: 700;
}
.btn-download-modern:hover {
  background: #164194;
  border-color: #164194;
  color: #FFFFFF;
}
.btn-download-modern:hover .file-size-chip {
  background: rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
}

.btn-file-tool {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-file-tool:hover {
  background: #F1F5F9;
  border-color: #CBD5E1;
}
.btn-file-tool.danger {
  color: #DC2626;
  border-color: #FECACA;
  background: #FEF2F2;
}
.btn-file-tool.danger:hover {
  background: #DC2626;
  color: #FFFFFF;
  border-color: #DC2626;
}

.folder-empty-state {
  padding: 20px;
  text-align: center;
  color: #94A3B8;
  font-size: 12.5px;
  font-style: italic;
  background: #F8FAFC;
  border-radius: 8px;
  margin: 6px 0;
}

@media (max-width: 640px) {
  .folder-stats-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .folder-top-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .folder-top-toolbar > div {
    min-width: 100% !important;
  }
  .folder-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 12px;
  }
  .folder-title-area {
    width: 100%;
  }
  .folder-actions-row {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }
  .file-item-row-modern {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 12px;
  }
  .file-item-row-modern .file-actions-group {
    width: 100%;
    justify-content: flex-end;
    border-top: 1px solid #F1F5F9;
    padding-top: 8px;
  }
  .file-item-row-modern .file-title-text {
    max-width: 100%;
    white-space: normal;
    word-break: break-word;
  }
}