/* ==========================================================================
   LEARNING TOLEDO — SISTEMA DE DISEÑO ACADÉMICO / ADMIN & EDITOR
   ========================================================================== */

/* 1. MÉTRICAS Y DASHBOARD */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.metric-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background-color: var(--color-brand-accent-light);
  color: var(--color-brand-accent);
}

.metric-icon-wrap.green {
  background-color: var(--color-success-bg);
  color: var(--color-success);
}

.metric-icon-wrap.amber {
  background-color: var(--color-warning-bg);
  color: var(--color-warning);
}

.metric-info {
  display: flex;
  flex-direction: column;
}

.metric-value {
  font-size: 1.85rem;
  font-weight: 700;
  font-family: var(--font-family-heading);
  line-height: 1.1;
  color: var(--text-primary);
}

.metric-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* 2. CATÁLOGO DE CURSOS */
.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.course-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.course-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.course-thumbnail-wrap {
  position: relative;
  width: 100%;
  height: 170px;
  background-color: #0F172A;
  overflow: hidden;
}

.course-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.course-status-badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
}

.course-card-content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.course-card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.course-card-title {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: #0F172A;
  line-height: 1.35;
}

.course-card-desc {
  font-size: 0.88rem;
  color: #64748B;
  margin-bottom: 1.25rem;
  line-height: 1.5;
  flex: 1;
}

.course-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  margin-top: auto;
}

/* ==========================================================================
   3. NUEVO EDITOR DE CURSOS — LAYOUT EN 2 COLUMNAS (DISEÑO LIMPIO Y ESPACIOSO)
   ========================================================================== */

/* Cabecera Compacta del Editor */
.editor-top-bar {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: 0.85rem 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

.editor-top-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.editor-course-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #0F172A;
  margin: 0;
  letter-spacing: -0.01em;
}

.editor-nav-tabs {
  display: flex;
  gap: 0.25rem;
  background: #F1F5F9;
  padding: 0.25rem;
  border-radius: 8px;
}

.editor-tab-btn {
  padding: 0.45rem 1rem;
  border-radius: 6px;
  border: none;
  background: transparent;
  font-size: 0.85rem;
  font-weight: 700;
  color: #64748B;
  cursor: pointer;
  transition: all 0.15s ease;
}

.editor-tab-btn:hover {
  color: #0F172A;
}

.editor-tab-btn.active {
  background: #FFFFFF;
  color: #2563EB;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.editor-top-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Layout Principal de 2 Columnas */
.course-editor-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 2rem;
  align-items: start;
}

/* Columna Izquierda: Currículo (Diseño Idéntico al Estudiante: Continuo, Limpio y Elegante) */
.curriculum-column {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
  position: sticky;
  top: 75px;
  max-height: calc(100vh - 100px);
  display: flex;
  flex-direction: column;
}

.curriculum-header {
  padding: 1.15rem 1.35rem;
  background: #FFFFFF;
  border-bottom: 1px solid #F1F5F9;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.curriculum-header-title {
  font-size: 0.78rem;
  font-weight: 800;
  color: #64748B;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.curriculum-tree-body {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  background: #FFFFFF;
}

/* Fila de Módulo (Continuo, sin cajas dentro de cajas) */
.curriculum-module-item {
  border-bottom: 1px solid #F1F5F9;
}

.curriculum-module-header {
  padding: 1rem 1.25rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.65rem;
  user-select: none;
  background: #FFFFFF;
  transition: background 0.15s ease;
}

.curriculum-module-header:hover {
  background: #F8FAFC;
}

.curriculum-module-header.active-module {
  background: #F0F7FF;
}

.curriculum-module-chevron {
  font-size: 0.95rem;
  font-weight: 800;
  color: #64748B;
  margin-top: 0.15rem;
  width: 14px;
  flex-shrink: 0;
}

.module-meta-tag {
  font-size: 0.72rem;
  font-weight: 800;
  color: #4F46E5;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.module-title-clean {
  font-size: 0.92rem;
  font-weight: 700;
  color: #0F172A;
  line-height: 1.35;
  margin: 0.15rem 0;
  white-space: normal;
  word-break: normal;
}

.module-sub-count {
  font-size: 0.75rem;
  color: #64748B;
  font-weight: 500;
}

/* Lista de Lecciones Desplegables */
.curriculum-lessons-list {
  display: flex;
  flex-direction: column;
  background: #FFFFFF;
  border-top: 1px solid #F8FAFC;
}

.curriculum-lesson-item {
  padding: 0.65rem 1.25rem 0.65rem 1.85rem;
  border-bottom: 1px solid #FAFAFA;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.65rem;
  cursor: pointer;
  font-size: 0.86rem;
  color: #334155;
  font-weight: 500;
  transition: all 0.12s ease;
  border-left: 3px solid transparent;
}

.curriculum-lesson-item:hover:not(.active) {
  background: #F8FAFC;
  color: #0F172A;
}

.curriculum-lesson-item.active {
  background: #EFF6FF;
  border-left-color: #2563EB;
  color: #1D4ED8;
  font-weight: 700;
}

.curriculum-add-lesson-btn {
  padding: 0.65rem 1.25rem 0.65rem 1.85rem;
  background: transparent;
  border: none;
  color: #2563EB;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  text-align: left;
  transition: background 0.15s ease;
}

.curriculum-add-lesson-btn:hover {
  background: #F0F7FF;
}

/* Columna Derecha: Editor Tipo Documento */
.lesson-doc-editor {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 14px;
  padding: 2.5rem 3rem;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
  min-height: 650px;
}

.lesson-doc-badge {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  color: #4F46E5;
  background: #EEF2FF;
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.lesson-doc-title {
  font-size: 1.85rem;
  font-weight: 800;
  color: #0F172A;
  line-height: 1.25;
  margin: 0 0 0.5rem 0;
  letter-spacing: -0.02em;
}

.lesson-doc-desc {
  font-size: 1rem;
  color: #64748B;
  line-height: 1.5;
  margin: 0 0 2rem 0;
}

.lesson-doc-divider {
  height: 1px;
  background: #E2E8F0;
  margin: 2rem 0;
  border: none;
}

/* Filas Limpias de Bloques de Contenido (Item 27) */
.content-block-row-item {
  background: #FFFFFF;
  border: 1.5px solid #E2E8F0;
  border-radius: 10px;
  padding: 1rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  transition: all 0.15s ease;
  cursor: pointer;
}

.content-block-row-item:hover {
  border-color: #3B82F6;
  background: #F8FAFC;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.block-row-type-pill {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.block-row-type-pill.text { background: #EEF2FF; color: #4338CA; }
.block-row-type-pill.video { background: #FEF2F2; color: #B91C1C; }
.block-row-type-pill.pdf { background: #F0FDF4; color: #15803D; }
.block-row-type-pill.image { background: #FFFBEB; color: #B45309; }
.block-row-type-pill.activity { background: #FAF5FF; color: #7E22CE; }

.block-row-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #0F172A;
  margin-left: 0.75rem;
}

/* Botón Añadir Contenido */
.btn-add-content-clean {
  width: 100%;
  padding: 1rem;
  background: #F8FAFC;
  border: 1.5px dashed #CBD5E1;
  border-radius: 10px;
  color: #475569;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.15s ease;
  margin-top: 1.5rem;
}

.btn-add-content-clean:hover {
  background: #EFF6FF;
  border-color: #3B82F6;
  color: #2563EB;
}

/* Menú Contextual Popover (⋯) */
.context-menu-popover {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
  padding: 0.35rem 0;
  min-width: 160px;
  z-index: 50;
}

.context-menu-popover.show {
  display: block;
}

.context-menu-item {
  width: 100%;
  text-align: left;
  padding: 0.5rem 0.85rem;
  border: none;
  background: transparent;
  font-size: 0.82rem;
  font-weight: 600;
  color: #334155;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.context-menu-item:hover {
  background: #F1F5F9;
  color: #0F172A;
}

.context-menu-item.danger {
  color: #DC2626;
}

.context-menu-item.danger:hover {
  background: #FEF2F2;
}

/* Responsive */
@media (max-width: 1024px) {
  .course-editor-grid {
    grid-template-columns: 1fr;
  }
  .curriculum-column {
    position: static;
    max-height: 400px;
  }
  .lesson-doc-editor {
    padding: 1.5rem;
  }
}

/* ==========================================================================
   ESTILOS DE TABLAS ACADÉMICAS Y DROPZONE EN EL ADMIN
   ========================================================================== */
.academic-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 1.5rem 0;
  border-radius: 10px;
  border: 1px solid #E2E8F0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  background: #FFFFFF;
}

.academic-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.academic-table thead th {
  background: #0F172A;
  color: #FFFFFF;
  font-weight: 800;
  padding: 0.8rem 1rem;
  letter-spacing: 0.02em;
  border-bottom: 2px solid #334155;
  white-space: nowrap;
  font-size: 0.84rem;
  text-transform: uppercase;
}

.academic-table tbody td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid #F1F5F9;
  color: #334155;
  line-height: 1.6;
  vertical-align: top;
}

.academic-table tbody tr:nth-child(even) {
  background: #F8FAFC;
}

.academic-table tbody tr:hover {
  background: #EFF6FF;
}

.academic-table tbody td:first-child {
  font-weight: 700;
  color: #0F172A;
}

/* Dropzone de subida de archivos desde PC */
.file-upload-dropzone {
  border: 2px dashed #93C5FD;
  background: #F0F7FF;
  border-radius: 12px;
  padding: 2rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.file-upload-dropzone:hover,
.file-upload-dropzone.dragover {
  border-color: #2563EB;
  background: #E0EFFF;
}

.file-upload-preview {
  margin-top: 1rem;
  padding: 1rem;
  background: #FFFFFF;
  border: 1px solid #CBD5E1;
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 1rem;
}