/* ==========================================================================
   SOFIA - UI Components & Interactive Elements
   Componentes Modulares: Dual-Lens, Sliders, Badges, Chat Socrático
   ========================================================================== */

/* Resaltado cromático para las iniciales del acrónimo SOFIA */
.acronym-letter {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

/* --- Selector de Rigor: Dual-Lens Switch --- */
.dual-lens-toggle {
  display: inline-flex;
  align-items: center;
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 3px;
  position: relative;
  user-select: none;
}

.dual-lens-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 4px 12px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.dual-lens-btn.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-weight: var(--font-weight-semibold);
  box-shadow: var(--shadow-sm);
}

.dual-lens-icon {
  font-size: 14px;
}

/* --- Grupos de Controles & Secciones de Parámetros --- */
.control-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.control-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-title {
  font-family: var(--font-family-display);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-main);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- Selectores Desplegables de Presets --- */
.preset-select {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-family-body);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-main);
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.preset-select:focus {
  border-color: var(--color-border-focus);
}

/* --- Tarjetas de Controles Deslizantes (Sliders) --- */
.slider-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.slider-item {
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  transition: border-color var(--transition-fast);
}

.slider-item:hover {
  border-color: var(--color-border-subtle);
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.slider-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-main);
}

.slider-value-badge {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  background: var(--color-surface);
  color: var(--color-primary);
  padding: 2px 8px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  min-width: 44px;
  text-align: center;
}

.custom-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-border-subtle);
  outline: none;
}

.custom-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.custom-range::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  background: var(--color-primary-light);
}

/* --- Botones de Acción --- */
.btn-group {
  display: flex;
  gap: var(--space-2);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-family-body);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn-primary:hover {
  background: var(--color-primary-light);
}

.btn-secondary {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text-main);
}

.btn-secondary:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-border-subtle);
}

.btn-ghost-action {
  background: var(--color-primary-subtle);
  border: 1px dashed var(--color-primary-light);
  color: var(--color-primary);
  width: 100%;
}

.btn-ghost-action:hover {
  background: rgba(37, 99, 235, 0.12);
}

/* --- Cuadrícula de Métricas Clave --- */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.metric-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.metric-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
}

.metric-value {
  font-family: var(--font-family-display);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-main);
}

.metric-sub {
  font-size: 0.7rem;
  color: var(--color-text-subtle);
}

/* Las cuatro lecturas de elasticidad requieren etiqueta, cifra y clasificación completas. */
#view-module-3 .metrics-grid {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

#view-module-3 .metric-card {
  min-height: 102px;
  justify-content: center;
}

#view-module-3 .metric-label,
#view-module-3 .metric-sub {
  line-height: 1.25;
  overflow-wrap: anywhere;
}

/* M6 concentra cinco resultados: una fila compacta evita que Beneficio
   quede fuera del panel y mantiene visibles todas las comparaciones. */
#view-module-6 .metrics-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-2);
}

#view-module-6 .metric-card {
  min-width: 0;
  padding: var(--space-2);
}

#view-module-6 .metric-label,
#view-module-6 .metric-sub {
  line-height: 1.2;
  overflow-wrap: anywhere;
}

@media (max-width: 1180px) {
  #view-module-6 .metrics-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* --- Banner de Clasificación Económica (Eficiente / Ineficiente / Inalcanzable) --- */
.status-badge-banner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  transition: all var(--transition-normal);
}

.status-badge-banner.status-efficient {
  background: var(--color-efficient-bg);
  color: var(--color-efficient);
  border: 1px solid rgba(5, 150, 105, 0.25);
}

.status-badge-banner.status-inefficient {
  background: var(--color-inefficient-bg);
  color: var(--color-inefficient);
  border: 1px solid rgba(217, 119, 6, 0.25);
}

.status-badge-banner.status-infeasible {
  background: var(--color-infeasible-bg);
  color: var(--color-infeasible);
  border: 1px solid rgba(220, 38, 38, 0.25);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 6px currentColor;
}

/* --- Panel del Tutor Socrático "Sofía" --- */
.tutor-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  position: relative;
}

.tutor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tutor-identity {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.tutor-avatar {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #1E3A8A, #3B82F6);
  color: #FFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  font-family: var(--font-family-display);
  font-size: var(--font-size-sm);
  box-shadow: 0 2px 8px rgba(30, 58, 138, 0.25);
}

.tutor-avatar-img {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  object-fit: cover;
  background: #0F172A;
  border: 1.5px solid rgba(56, 189, 248, 0.4);
  box-shadow: 0 2px 8px rgba(30, 58, 138, 0.3);
  flex-shrink: 0;
}

.tutor-name {
  font-family: var(--font-family-display);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-main);
}

.tutor-role {
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

.tutor-mode-pill {
  font-size: 0.65rem;
  font-weight: var(--font-weight-semibold);
  padding: 2px 6px;
  border-radius: var(--radius-full);
  background: #E0F2FE;
  color: #0369A1;
  border: 1px solid rgba(3, 105, 161, 0.2);
}

.socratic-dialog-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.socratic-step {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: var(--font-size-xs);
}

.socratic-step-tag {
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  font-size: 0.65rem;
  letter-spacing: 0.05em;
}

.step-hypothesis .socratic-step-tag { color: var(--color-primary); }
.step-vulnerability .socratic-step-tag { color: var(--color-inefficient); }
.step-question .socratic-step-tag { color: var(--color-efficient); }

.socratic-step-content {
  color: var(--color-text-main);
  line-height: 1.45;
}

/* Opciones socráticas de respuesta rápida para el estudiante */
.socratic-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

/* M2–M5 usan el diálogo resumido; conserva la misma escala compacta de M1. */
.socratic-options-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.socratic-bubble {
  font-size: var(--font-size-xs);
  line-height: 1.45;
  color: var(--color-text-main);
}

.socratic-bubble p + p { margin-top: var(--space-2); }

.socratic-feedback-box {
  margin-top: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  line-height: 1.45;
}

.socratic-feedback-box .feedback-header { font-weight: var(--font-weight-bold); margin-bottom: 2px; }
.socratic-feedback-box.feedback-success { background: #ECFDF5; color: #065F46; border: 1px solid #6EE7B7; }
.socratic-feedback-box.feedback-error { background: #FEF2F2; color: #991B1B; border: 1px solid #FCA5A5; }

.socratic-option-btn {
  text-align: left;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-xs);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-main);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.socratic-option-btn:hover {
  border-color: var(--color-primary-light);
  background: var(--color-primary-subtle);
  color: var(--color-primary);
}

/* La respuesta elegida se identifica sin revelar las restantes. */
.socratic-option-btn.correct,
.socratic-option-btn.correct:disabled {
  background: #ECFDF5;
  border-color: #10B981;
  color: #065F46;
  opacity: 1;
}

.socratic-option-btn.incorrect,
.socratic-option-btn.incorrect:disabled {
  background: #FEF2F2;
  border-color: #EF4444;
  color: #991B1B;
  opacity: 1;
}

.socratic-option-btn.correct .option-letter { color: #059669; }
.socratic-option-btn.incorrect .option-letter { color: #DC2626; }

/* Marcador de alternativa separado del texto para lectura rápida (A. Respuesta). */
.option-letter {
  display: inline-block;
  margin-right: 0.45rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* --- Guía contextual opcional --- */
.context-guide-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.58);
}

.context-guide-target {
  outline: 3px solid #38BDF8;
  outline-offset: 4px;
  border-radius: var(--radius-md);
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.18);
}

.context-guide-card {
  position: fixed;
  z-index: 1001;
  right: clamp(16px, 4vw, 56px);
  bottom: clamp(16px, 4vh, 42px);
  width: min(390px, calc(100vw - 32px));
  padding: var(--space-5);
  border-radius: var(--radius-xl);
  border: 1px solid #BFDBFE;
  background: var(--color-surface);
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.35);
  color: var(--color-text-main);
}

.context-guide-card h2 { font-size: var(--font-size-md); color: var(--color-primary); margin: var(--space-2) 0; }
.context-guide-card p { font-size: var(--font-size-sm); color: var(--color-text-muted); line-height: 1.55; }
.context-guide-progress { font-size: var(--font-size-xs); font-weight: var(--font-weight-semibold); color: var(--color-primary); }
.context-guide-actions { display: grid; grid-template-columns: auto 1fr auto auto; gap: var(--space-2); align-items: center; margin-top: var(--space-5); }

/* Navegación consecutiva entre los módulos disponibles. */
.module-side-nav { position: fixed; top: 50%; z-index: 45; width: 34px; height: 52px; transform: translateY(-50%); border: 1px solid #BFDBFE; background: rgba(255, 255, 255, 0.94); color: var(--color-primary); font-size: 1.35rem; font-weight: 700; cursor: pointer; box-shadow: var(--shadow-md); transition: all var(--transition-fast); }
.module-side-nav:hover:not(:disabled) { background: var(--color-primary); color: #FFF; }
.module-side-nav:disabled { opacity: 0.38; cursor: not-allowed; }
.module-side-nav-prev { left: calc(var(--sidebar-width) + 8px); border-radius: 0 var(--radius-md) var(--radius-md) 0; }
.module-side-nav-next { right: calc(var(--tutor-width) + 8px); border-radius: var(--radius-md) 0 0 var(--radius-md); }

/* Las posiciones laterales solo corresponden al layout de tres columnas. */
@media (max-width: 992px) {
  .module-side-nav { display: none; }
}

@media (max-width: 700px) {
  .context-guide-card { right: 16px; bottom: 16px; }
  .context-guide-actions { grid-template-columns: auto 1fr auto; }
}

/* --- Lectura económica guiada de la FPP --- */
.ppf-learning-card {
  margin-top: var(--space-3);
  padding: var(--space-3);
  border: 1px solid #BFDBFE;
  border-radius: var(--radius-lg);
  background: #EFF6FF;
  color: var(--color-text-main);
}

.ppf-learning-heading {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.ppf-learning-heading h2 {
  margin: 0;
  font-size: 0.88rem;
  color: var(--color-primary);
}

.ppf-learning-heading p,
.ppf-learning-card > p {
  margin: var(--space-1) 0 0;
  font-size: 0.78rem;
  line-height: 1.45;
}

/* --- Modo Formal: Caja de Fórmulas Matemáticas --- */
.math-formal-box {
  display: none;
  background: #0F172A;
  color: #F8FAFC;
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  line-height: 1.6;
  border: 1px solid #1E293B;
  margin-top: var(--space-3);
}

.math-formal-box.active {
  display: block;
}

.math-formal-title {
  color: #94A3B8;
  font-weight: var(--font-weight-bold);
  font-size: 0.7rem;
  text-transform: uppercase;
  margin-bottom: var(--space-1);
}

/* --- Selector de Dificultad Didáctica (Tutor Sofía) --- */
.difficulty-selector {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2) var(--space-3);
}

.difficulty-label {
  font-size: 0.7rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.difficulty-btn-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  background: var(--color-surface-subtle);
  padding: 3px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.diff-btn {
  padding: 4px 6px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
}

.diff-btn:hover {
  color: var(--color-text-main);
}

.diff-btn.active {
  background: var(--color-surface);
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   GLOSARIO ECONÓMICO ESTRATÉGICO (Modal & Command Palette)
   ========================================================================== */

.glossary-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(6px);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  animation: fadeIn var(--transition-fast);
}

.glossary-modal-overlay.active {
  display: flex;
}

.glossary-modal-container {
  width: 100%;
  max-width: 960px;
  height: 85vh;
  max-height: 720px;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Cabecera del Buscador */
.glossary-modal-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-surface);
}

.search-input-wrapper {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
}

.search-input-icon {
  position: absolute;
  left: 14px;
  font-size: 16px;
  color: var(--color-text-subtle);
}

.glossary-search-input {
  width: 100%;
  padding: 10px 14px 10px 42px;
  font-family: var(--font-family-body);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface-subtle);
  color: var(--color-text-main);
  outline: none;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.glossary-search-input:focus {
  border-color: var(--color-primary-light);
  background: var(--color-surface);
  box-shadow: var(--shadow-glow);
}

.modal-close-btn {
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--color-surface-hover);
  color: var(--color-text-main);
}

/* Barra de Filtros por Materia */
.glossary-filter-bar {
  padding: var(--space-2) var(--space-5);
  background: var(--color-surface-subtle);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
}

.glossary-filter-btn {
  padding: 4px 12px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  color: var(--color-text-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.glossary-filter-btn:hover {
  border-color: var(--color-primary-light);
  color: var(--color-text-main);
}

.glossary-filter-btn.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

/* Cuerpo del Modal (Lista Izquierda + Ficha Derecha) */
.glossary-modal-body {
  flex: 1;
  display: grid;
  grid-template-columns: 320px 1fr;
  overflow: hidden;
}

.glossary-sidebar-list {
  border-right: 1px solid var(--color-border);
  overflow-y: auto;
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  background: var(--color-surface-subtle);
}

.glossary-item-card {
  padding: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.glossary-item-card:hover {
  border-color: var(--color-primary-light);
  transform: translateY(-1px);
}

.glossary-item-card.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-subtle);
  box-shadow: var(--shadow-sm);
}

.glossary-item-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-2);
}

.glossary-item-title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-main);
}

.glossary-item-badge {
  font-size: 0.65rem;
  font-weight: var(--font-weight-semibold);
  padding: 1px 6px;
  border-radius: var(--radius-full);
  background: #E2E8F0;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.glossary-item-preview {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  line-height: 1.35;
}

/* Vista de Detalle (Ficha Cuadrante) */
.glossary-detail-view {
  overflow-y: auto;
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  background: var(--color-surface);
}

.concept-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.concept-subject-tag {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.concept-title {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-main);
}

.badge-module-coming {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  padding: 4px 10px;
  background: var(--color-surface-subtle);
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
  border: 1px dashed var(--color-border-subtle);
}

/* Cuadrícula de 4 Dimensiones */
.concept-quadrant-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.concept-card {
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  border: 1px solid var(--color-border);
}

.quadrant-intuitive {
  background: #F0FDF4;
  border-color: rgba(34, 197, 94, 0.25);
}

.quadrant-formal {
  background: #F8FAFC;
  border-color: rgba(59, 130, 246, 0.25);
}

.quadrant-business {
  background: #EFF6FF;
  border-color: rgba(37, 99, 235, 0.25);
}

.quadrant-exam {
  background: #FFFBEB;
  border-color: rgba(245, 158, 11, 0.25);
}

.quadrant-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.quadrant-icon {
  font-size: 16px;
}

.quadrant-title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-main);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.quadrant-text {
  font-size: var(--font-size-xs);
  line-height: 1.5;
  color: var(--color-text-main);
}

.font-mono {
  font-family: var(--font-family-mono);
  background: rgba(15, 23, 42, 0.04);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
}

.glossary-no-results {
  padding: var(--space-5);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
}

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

@media (max-width: 768px) {
  .glossary-modal-body {
    grid-template-columns: 1fr;
  }
  .concept-quadrant-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   MODAL: ANALIZAR MI EJERCICIO
   ========================================================================== */

.hw-modal-container {
  width: 100%;
  max-width: 580px;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: fadeIn var(--transition-fast);
}

.hw-modal-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-surface);
}

.hw-modal-title {
  font-family: var(--font-family-display);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.hw-tabs-bar {
  display: flex;
  background: var(--color-surface-subtle);
  border-bottom: 1px solid var(--color-border);
  padding: 4px var(--space-5);
  gap: var(--space-2);
  overflow-x: auto;
}

.hw-mode-tab {
  flex: 1 1 0;
  min-width: 0;
  padding: 6px 4px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  line-height: 1.2;
}

.hw-mode-tab.active {
  background: var(--color-surface);
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  box-shadow: var(--shadow-sm);
}

.hw-modal-body {
  padding: var(--space-5);
  overflow-y: auto;
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.hw-form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.hw-form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hw-form-group.full-width {
  grid-column: 1 / -1;
}

.hw-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
}

.hw-input {
  padding: 8px 12px;
  font-family: var(--font-family-body);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface-subtle);
  color: var(--color-text-main);
  outline: none;
  transition: border-color var(--transition-fast);
}

.hw-input:focus {
  border-color: var(--color-primary-light);
  background: var(--color-surface);
}

.hw-equation-box {
  background: #0F172A;
  color: #F8FAFC;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.hw-modal-footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  background: var(--color-surface-subtle);
}

/* Práctica escrita: legibilidad, guardado y acceso táctil. */
#homework-modal .hw-modal-container,
.exercise-modal-container { max-height: 94dvh; }
#homework-form { display: flex; flex-direction: column; min-height: 0; }
#homework-modal .hw-modal-body,
.exercise-journal-body { min-height: 0; max-height: none; }
.exercise-modal-container { max-width: 760px; }
#exercise-associate[hidden] { display: none; }
.exercise-textarea { width: 100%; min-height: 100px; resize: vertical; line-height: 1.6; }
.exercise-intro { color: var(--color-text-muted); font-size: var(--font-size-sm); line-height: 1.6; }
.exercise-save-status { color: var(--color-primary); font-size: var(--font-size-xs); }
.exercise-warning { padding: 12px; border: 1px solid #D97706; border-radius: 8px; background: #FFFBEB; color: #92400E; }
.exercise-questions-title { font-size: var(--font-size-sm); color: var(--color-primary); }
.exercise-journal-body small { color: var(--color-text-muted); }
.exercise-report-text { white-space: pre-wrap; overflow-wrap: anywhere; }
.exercise-report-entry { margin: 12px 0; }
.exercise-report-entry h3 { font-size: 0.95rem; margin-bottom: 5px; }
.exercise-report-context { margin: 12px 0; }
.exercise-parameters { font-size: 0.8rem; margin: 8px 0; }
.exercise-parameters > div { display: flex; flex-wrap: wrap; gap: 8px; border-bottom: 1px solid #E2E8F0; }
.exercise-parameters dt { font-weight: 600; }
.exercise-parameters dd { overflow-wrap: anywhere; }
.exercise-report { break-inside: auto !important; page-break-inside: auto !important; }
.exercise-report h3 { break-after: avoid; }
.exercise-report-entry { break-inside: auto; }
@media (max-width: 600px) {
  #homework-modal .hw-tabs-bar { padding-inline: 8px; flex-shrink: 0; }
  #homework-modal .hw-mode-tab { flex: 0 0 110px; }
  #homework-modal .hw-form-grid { grid-template-columns: minmax(0, 1fr); }
  .exercise-modal-container .hw-modal-title { font-size: 1rem; }
  #homework-modal .hw-modal-footer,
  .exercise-modal-container .hw-modal-footer { flex-wrap: wrap; padding: 12px; }
  #homework-modal .hw-modal-footer .btn,
  .exercise-modal-container .hw-modal-footer .btn { flex: 1 1 150px; white-space: normal; }
}

/* ==========================================================================
   Modal de Informe Académico & Hoja Imprimible
   ========================================================================== */
.report-modal-container {
  background: #0F172A;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  width: 95%;
  max-width: 920px;
  height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  overflow: hidden;
  animation: modalPop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.report-modal-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-surface);
  gap: var(--space-4);
}

.report-modal-title {
  font-family: var(--font-family-display);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-main);
  white-space: nowrap;
}

.report-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.report-student-input-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
}

.report-student-input {
  padding: 6px 12px;
  font-size: var(--font-size-xs);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface-subtle);
  color: var(--color-text-main);
  outline: none;
  width: 190px;
}

.report-student-input:focus {
  border-color: var(--color-primary-light);
  background: var(--color-surface);
}

.report-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-5);
  background: #1E293B;
  display: flex;
  justify-content: center;
}

/* Hoja A4 simulada */
.report-paper-sheet {
  background: #FFFFFF;
  color: #0F172A;
  width: 100%;
  max-width: 820px;
  min-height: 1050px;
  padding: 40px;
  border-radius: 4px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  font-family: var(--font-family-body), -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 12px;
  line-height: 1.45;
  box-sizing: border-box;
}

.report-document {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.report-header,
.rep-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 2px solid #1E3A8A;
  padding-bottom: 12px;
  margin-bottom: 4px;
}

.report-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1 1 auto;
  min-width: 0;
}

.report-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 190px;
  gap: 16px;
  break-inside: avoid;
}

.report-brand-text { min-width: 0; overflow-wrap: anywhere; }
.report-header .report-meta-box { min-width: 0; }

.report-brand-logo,
.rep-brand-logo {
  width: 44px;
  height: 44px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid #CBD5E1;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  background: #0F172A;
  flex-shrink: 0;
}

.report-title,
.rep-brand-title {
  font-size: 15px;
  font-weight: 800;
  color: #1E3A8A;
  letter-spacing: -0.01em;
  margin: 0;
  line-height: 1.2;
}

.report-subtitle,
.rep-brand-sub {
  font-size: 11px;
  color: #475569;
  margin-top: 3px;
}

.report-meta-box,
.rep-meta-box {
  flex: 0 0 190px;
  text-align: right;
  font-size: 11px;
  color: #475569;
  line-height: 1.4;
}

.report-meta-student {
  display: block;
  color: #1E3A8A;
  font-weight: 700;
  white-space: normal;
  overflow-wrap: anywhere;
}

.report-section-heading,
.rep-section-title {
  font-size: 12px;
  font-weight: 700;
  color: #1E3A8A;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1.5px solid #E2E8F0;
  padding-bottom: 4px;
  margin-top: 8px;
  margin-bottom: 8px;
}

/* ==========================================================================
   Tablas Académicas Estructuradas de Alta Definición
   ========================================================================== */
.report-table,
.rep-table {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0;
  font-size: 11.5px;
  border: 1.5px solid #64748B;
  background: #FFFFFF;
}

.report-table th,
.report-table td,
.rep-table th,
.rep-table td {
  border: 1px solid #94A3B8;
  padding: 8px 10px;
  color: #0F172A;
  text-align: left;
}

.report-table th,
.rep-table th {
  background: #F1F5F9;
  font-weight: 700;
  color: #1E3A8A;
  font-size: 11px;
}

/* Tabla de Métricas (Centrada y Destacada en Cuadrícula) */
.report-metrics-table th,
.report-metrics-table td {
  text-align: center !important;
  vertical-align: middle;
}

.report-metrics-table thead th {
  background: #E2E8F0 !important;
  color: #1E3A8A !important;
  font-weight: 700;
  font-size: 11px;
  border-bottom: 2px solid #64748B;
  padding: 8px 6px;
}

.report-metrics-table tbody td {
  background: #FFFFFF;
  font-weight: 700;
  font-size: 12px;
  padding: 8px 6px;
}

/* Etiquetas y Badges de Estado */
.report-badge,
.rep-status-tag {
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  display: inline-block;
  font-size: 10.5px;
}

.report-badge.badge-efficient,
.rep-status-tag.efficient {
  background: #ECFDF5;
  color: #059669;
  border: 1px solid #A7F3D0;
}

.report-badge.badge-inefficient,
.rep-status-tag.inefficient {
  background: #FFFBEB;
  color: #D97706;
  border: 1px solid #FDE68A;
}

.report-badge.badge-infeasible,
.rep-status-tag.infeasible {
  background: #FEF2F2;
  color: #DC2626;
  border: 1px solid #FECACA;
}

/* Contenedor del Diagrama Gráfico */
.report-diagram-wrapper,
.rep-graph-container {
  width: 100%;
  margin: 10px auto;
  text-align: center;
  background: #F8FAFC;
  border: 1.5px solid #CBD5E1;
  border-radius: 6px;
  padding: 8px;
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.report-svg-diagram {
  width: 100% !important;
  max-width: 580px !important;
  height: auto !important;
  max-height: 260px !important;
  display: block !important;
  overflow: hidden !important;
}

/* Bloque Socrático en Reporte */
.report-socratic-block,
.rep-socratic-box {
  background: #F8FAFC;
  border: 1px solid #CBD5E1;
  border-left: 4px solid #1E3A8A;
  border-radius: 4px;
  padding: 10px 14px;
  font-size: 11px;
  line-height: 1.45;
  color: #334155;
}

.report-socratic-block p {
  margin: 4px 0;
}

.report-socratic-block p:last-child {
  margin-bottom: 0;
}

/* Pie y Firmas de Calificación */
.report-footer,
.rep-footer {
  margin-top: 20px;
  padding-top: 12px;
  border-top: 1px solid #E2E8F0;
  display: flex;
  justify-content: space-between;
  gap: 40px;
}

.report-signature-block,
.rep-sign-box {
  flex: 1;
  text-align: center;
}

.signature-line,
.rep-sign-line {
  border-bottom: 1px solid #475569;
  height: 35px;
  margin-bottom: 4px;
}

.report-signature-block p,
.rep-sign-box p {
  font-size: 10px;
  color: #64748B;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
  margin: 0;
}

#sofia-print-container {
  display: none !important;
}

/* ==========================================================================
   Reglas de Impresión (@media print) para Exportación Directa a PDF
   ========================================================================== */
@media print {
  @page {
    size: A4 portrait;
    margin: 10mm 15mm;
  }

  html, body {
    height: auto !important;
    min-height: auto !important;
    max-height: none !important;
    width: 100% !important;
    overflow: visible !important;
    position: static !important;
    background: #FFFFFF !important;
    color: #0F172A !important;
    margin: 0 !important;
    padding: 0 !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  /* Ocultar toda la estructura de la aplicación y modales secundarios */
  .app-container,
  .app-header,
  .workspace-grid,
  #glossary-modal,
  #homework-modal,
  #exercise-journal-modal,
  .report-modal-header,
  .modal-close-btn,
  .btn {
    display: none !important;
    height: 0 !important;
    max-height: 0 !important;
    overflow: hidden !important;
  }

  /* Forzar que el modal de reporte se comporte como documento imprimible */
  #report-modal {
    display: block !important;
    position: static !important;
    top: auto !important;
    left: auto !important;
    width: 100% !important;
    height: auto !important;
    min-height: auto !important;
    max-height: none !important;
    background: transparent !important;
    backdrop-filter: none !important;
    padding: 0 !important;
    margin: 0 !important;
    overflow: visible !important;
    z-index: auto !important;
  }

  .report-modal-container {
    display: block !important;
    background: transparent !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    min-height: auto !important;
    max-height: none !important;
    overflow: visible !important;
    padding: 0 !important;
    margin: 0 !important;
    animation: none !important;
  }

  .report-modal-body {
    display: block !important;
    background: transparent !important;
    padding: 0 !important;
    margin: 0 !important;
    overflow: visible !important;
    height: auto !important;
    min-height: auto !important;
  }

  .report-paper-sheet {
    display: block !important;
    background: #FFFFFF !important;
    color: #0F172A !important;
    box-shadow: none !important;
    border: none !important;
    border-radius: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    min-height: auto !important;
    height: auto !important;
    font-size: 10pt !important;
    line-height: 1.35 !important;
  }

  .report-table,
  .rep-table {
    width: 100% !important;
    border-collapse: collapse !important;
    margin: 6pt 0 !important;
    font-size: 9pt !important;
    border: 1.5pt solid #64748B !important;
  }

  .report-table th,
  .report-table td,
  .rep-table th,
  .rep-table td {
    border: 1pt solid #94A3B8 !important;
    padding: 5pt 7pt !important;
    color: #0F172A !important;
  }

  .report-table th,
  .rep-table th {
    background: #F1F5F9 !important;
    font-weight: 700 !important;
    color: #1E3A8A !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .report-metrics-table thead th {
    background: #E2E8F0 !important;
    color: #1E3A8A !important;
    font-weight: 700 !important;
    text-align: center !important;
    border-bottom: 2pt solid #64748B !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .report-metrics-table tbody td {
    background: #FFFFFF !important;
    font-weight: 700 !important;
    text-align: center !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .report-diagram-wrapper,
  .rep-graph-container {
    width: 100% !important;
    max-height: 240pt !important;
    margin: 6pt auto !important;
    text-align: center !important;
    background: #FFFFFF !important;
    border: 1pt solid #CBD5E1 !important;
    border-radius: 4pt !important;
    padding: 4pt !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    overflow: hidden !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .report-svg-diagram {
    width: 100% !important;
    max-width: 460pt !important;
    height: auto !important;
    max-height: 210pt !important;
    display: block !important;
    overflow: hidden !important;
  }

  .report-socratic-block,
  .rep-socratic-box {
    background: #F8FAFC !important;
    border: 1pt solid #CBD5E1 !important;
    border-left: 3pt solid #1E3A8A !important;
    border-radius: 4pt !important;
    padding: 6pt 8pt !important;
    margin-top: 6pt !important;
    font-size: 9pt !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .report-footer,
  .rep-signatures {
    display: flex !important;
    justify-content: space-between !important;
    margin-top: 20pt !important;
    padding-top: 8pt !important;
    border-top: 1pt dashed #CBD5E1 !important;
    font-size: 8.5pt !important;
    color: #64748B !important;
  }

  .signature-line,
  .rep-sig-line {
    width: 140pt !important;
    border-top: 1pt solid #94A3B8 !important;
    margin: 16pt auto 3pt auto !important;
    text-align: center !important;
  }
}