/* ✅ Centrar y espaciar fórmulas en bloque de MathJax */
mjx-container[display="true"] {
  display: block;
  margin: 1.5em 0;
  text-align: center;
}

/* Centrado para fórmulas grandes (KaTeX) */
.katex-display {
  display: block;
  text-align: center;
  margin: 1.2em 0;
}

#tooltip-nota {
  position: absolute;
  display: none;
  max-width: 300px;
  padding: 10px 12px;
  background: #ffffff;
  border: 1px solid #ccc;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  font-size: 13px;
  line-height: 1.4;
  z-index: 9999;
  color: #333;
  white-space: normal;
}

#tooltip-nota .leyenda-origen {
  font-size: 0.75rem;
  color: #666;
  margin-bottom: 6px;
}

#tooltip-nota .arrow {
  position: absolute;
  width: 10px;
  height: 10px;
  background: inherit;
  transform: rotate(45deg);
  z-index: -1;
  box-shadow: -1px -1px 1px rgba(0, 0, 0, 0.1);
}

.entrada-nota {
  padding: 6px 10px;
  border-radius: 4px;
  margin-bottom: 4px;
  background-color: #f8f9fa;
  transition: background-color 0.2s;
}

.entrada-nota:hover {
  background-color: #e2e6ea;
}

.fragmento-vinculado {
  background-color: #fff3cd;
  padding: 2px 4px;
  border-radius: 3px;
  cursor: pointer;
}

.fragmento-vinculado.nota-manual {
  background-color: #d1ecf1;
}

.fragmento-vinculado.con-anotacion {
  background-color: #f8d7da;
}

.progress {
  background-color: #e9ecef;
  border-radius: 5px;
  overflow: hidden;
}

.progress-bar {
  background-color: #198754;
  transition: width 0.3s ease;
}

#spinner-generando.oculto {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease-in-out;
}
#spinner-generando.visible {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

/* ✅ Mejora para selección con etiqueta <label> */
label {
  cursor: pointer;
  user-select: none;
  scroll-margin-top: 0px;
  scroll-behavior: auto !important;
}

/* ✅ Prevenir que se resalte o enfoque por accidente */
.form-check-label:focus,
.form-check-input:focus {
  outline: none !important;
  box-shadow: none !important;
}

#spinner-evaluacion {
  display: none;
  margin-top: 20px;
  text-align: center;
}
#spinner-evaluacion.visible {
  display: block;
}

/* ========== Sidebar institucional Cognitus ========== */
.app-sidebar.sidebar-institutional {
  --sb-navy: #0a1628;
  --sb-petrol: #0f2744;
  --sb-teal: #0d4a5c;
  --sb-green: #0e5f52;
  --sb-cyan: #5ec4d4;
  --sb-cyan-deep: #0891b2;
  --sb-ivory: rgba(253, 252, 250, 0.95);
  --sb-muted: rgba(255, 255, 255, 0.55);
  --sb-serif: Georgia, "Times New Roman", "Palatino Linotype", serif;
  --sb-sans: "Source Sans 3", system-ui, -apple-system, sans-serif;

  display: flex !important;
  flex-direction: column;
  height: 100vh !important;
  max-height: 100vh;
  overflow: hidden !important;
  background: linear-gradient(
    180deg,
    var(--sb-navy) 0%,
    var(--sb-petrol) 42%,
    var(--sb-teal) 78%,
    var(--sb-green) 100%
  ) !important;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 4px 0 24px rgba(5, 12, 28, 0.2);
}

.app-sidebar.sidebar-institutional::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 90% 40% at 50% 0%, rgba(94, 196, 212, 0.1), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* Encabezado marca — compacto, sticky */
.sidebar-inst-brand {
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 1rem 0.85rem 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(
    180deg,
    rgba(10, 22, 40, 0.98) 0%,
    rgba(15, 39, 68, 0.92) 100%
  );
  backdrop-filter: blur(6px);
}

.sidebar-inst-brand-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  text-decoration: none;
  color: inherit;
  padding: 0.35rem 0.5rem;
  border-radius: 10px;
  transition: background 0.2s;
}

.sidebar-inst-brand-link:hover {
  background: rgba(255, 255, 255, 0.06);
  color: inherit;
}

.sidebar-inst-logo {
  display: block;
  width: 100%;
  max-width: 140px;
  height: auto;
  max-height: 64px;
  margin: 0 auto 0.55rem;
  object-fit: contain;
  object-position: center;
  filter: drop-shadow(0 3px 10px rgba(0, 0, 0, 0.12));
}

.sidebar-inst-logo--negative {
  max-width: 132px;
  max-height: 108px;
  margin: 0 auto;
  filter: drop-shadow(0 4px 14px rgba(0, 0, 0, 0.22));
}

.sidebar-inst-cognitus {
  display: block;
  font-family: var(--sb-serif);
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sb-ivory);
  line-height: 1.2;
}

/* Área con scroll */
.sidebar-inst-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  z-index: 1;
  scrollbar-width: thin;
  scrollbar-color: rgba(94, 196, 212, 0.45) rgba(255, 255, 255, 0.06);
}

.sidebar-inst-scroll::-webkit-scrollbar {
  width: 6px;
}

.sidebar-inst-scroll::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.04);
}

.sidebar-inst-scroll::-webkit-scrollbar-thumb {
  background: rgba(94, 196, 212, 0.35);
  border-radius: 999px;
}

.sidebar-inst-scroll::-webkit-scrollbar-thumb:hover {
  background: rgba(94, 196, 212, 0.55);
}

.app-sidebar.sidebar-institutional .sidebar-wrapper {
  height: auto !important;
  max-height: none !important;
  overflow: visible !important;
  padding-bottom: 1.25rem;
}

.app-sidebar.sidebar-institutional .sidebar-inst-header {
  font-family: var(--sb-sans);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sb-muted) !important;
  padding: 0.85rem 1rem 0.3rem !important;
  margin-top: 0.1rem;
}

.app-sidebar.sidebar-institutional .sidebar-inst-header:first-of-type {
  margin-top: 0;
  padding-top: 0.65rem !important;
}

.app-sidebar.sidebar-institutional .sidebar-inst-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: rgba(255, 255, 255, 0.88) !important;
  font-family: var(--sb-sans);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 10px;
  margin: 0.08rem 0.5rem;
  padding: 0.48rem 0.7rem !important;
  border-left: 3px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.app-sidebar.sidebar-institutional .sidebar-inst-link p {
  margin: 0;
  flex: 1;
}

.app-sidebar.sidebar-institutional .sidebar-inst-link .nav-icon {
  flex-shrink: 0;
  width: 1.15rem;
  text-align: center;
  font-size: 0.95rem !important;
  line-height: 1;
  color: rgba(255, 255, 255, 0.72) !important;
  transition: color 0.15s;
}

.app-sidebar.sidebar-institutional .sidebar-inst-link:hover {
  background: rgba(255, 255, 255, 0.1) !important;
  color: #fff !important;
  border-left-color: rgba(94, 196, 212, 0.35);
}

.app-sidebar.sidebar-institutional .sidebar-inst-link:hover .nav-icon {
  color: var(--sb-cyan) !important;
}

.app-sidebar.sidebar-institutional .sidebar-inst-link.active {
  background: rgba(94, 196, 212, 0.16) !important;
  color: #fff !important;
  border-left-color: var(--sb-cyan) !important;
  box-shadow: inset 0 0 0 1px rgba(94, 196, 212, 0.12);
}

.app-sidebar.sidebar-institutional .sidebar-inst-link.active .nav-icon {
  color: var(--sb-cyan) !important;
}

.app-sidebar.sidebar-institutional .sidebar-inst-link--logout {
  color: rgba(252, 165, 165, 0.9) !important;
  margin-top: 0.25rem;
  margin-bottom: 0.5rem;
}

.app-sidebar.sidebar-institutional .sidebar-inst-link--logout:hover {
  background: rgba(248, 113, 113, 0.12) !important;
  border-left-color: rgba(248, 113, 113, 0.4);
  color: #fecaca !important;
}

.app-sidebar.sidebar-institutional .sidebar-inst-link--logout .nav-icon {
  color: rgba(252, 165, 165, 0.85) !important;
}

.app-sidebar.sidebar-institutional .brand-link,
.app-sidebar.sidebar-institutional .nav-item:hover {
  background: transparent !important;
}

.app-sidebar.sidebar-institutional.collapsed,
.app-sidebar.sidebar-institutional.sidebar-mini {
  height: 100vh !important;
  background: linear-gradient(180deg, var(--sb-navy), var(--sb-green)) !important;
}

.app-sidebar.sidebar-institutional .nav-treeview {
  background: rgba(0, 0, 0, 0.12);
  border-radius: 8px;
  margin: 0 0.5rem;
}

/* ========== Campus Virtual Premium + Salon Andrea ========== */
.dash-campus {
  --cv-navy: #0f2744;
  --cv-ink: #1a3348;
  --cv-cyan: #0891b2;
  --cv-ivory: #faf8f5;
  --cv-warm: #f5f1eb;
  --cv-muted: #64748b;
  --cv-radius: 24px;
  --cv-shadow: 0 20px 50px rgba(15, 39, 68, 0.08);
  max-width: 1320px;
  margin: 0 auto;
  padding: 0.5rem 0 3rem;
}

.dash-campus-stage {
  display: grid;
  grid-template-columns: 42% 58%;
  gap: 1.75rem;
  align-items: stretch;
  margin-bottom: 2.25rem;
}

.dash-campus-col {
  min-width: 0;
}

/* Placa institucional */
.campus-plaque {
  height: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  padding: 1rem 1.5rem 1.5rem;
  border-radius: var(--cv-radius);
  background: linear-gradient(168deg, var(--cv-ivory) 0%, var(--cv-warm) 55%, #eef4f8 100%);
  border: 1px solid rgba(15, 39, 68, 0.06);
  box-shadow: var(--cv-shadow);
}

.campus-plaque-emblem,
.campus-plaque-logo {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  flex-shrink: 0;
  margin: 0;
  padding: 0 0.5rem;
}

.campus-plaque--inst .campus-plaque-logo-img,
.campus-plaque--guest .campus-plaque-logo-img {
  display: block;
  width: 100%;
  max-width: min(100%, 420px);
  height: auto;
  max-height: 200px;
  margin: 0.25rem auto 1.1rem;
  object-fit: contain;
  object-position: top center;
}

.campus-plaque-copy {
  width: 100%;
  max-width: 24rem;
  margin: 0 auto;
}

.campus-plaque-logo-img {
  display: block;
  width: 100%;
  max-width: 300px;
  height: auto;
  max-height: 110px;
  margin: 0 auto;
  object-fit: contain;
  object-position: center center;
}

.campus-plaque-title {
  margin: 0;
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 800;
  color: var(--cv-navy);
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.campus-plaque-sub {
  margin: 0.45rem 0 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--cv-cyan);
}

.campus-plaque-tagline {
  margin: 0 auto;
  max-width: 22rem;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--cv-muted);
}

.campus-plaque-welcome {
  margin: 1.15rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(15, 39, 68, 0.08);
  font-size: 0.85rem;
  color: var(--cv-ink);
}

.campus-plaque-org {
  color: var(--cv-muted);
  font-weight: 400;
}
/* Salon chat Andrea */
.salon-chat {
  height: 100%;
  min-height: 500px;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid #e8eef4;
  border-radius: var(--cv-radius);
  box-shadow: var(--cv-shadow);
  overflow: hidden;
}

.salon-chat-presence {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.35rem 1.5rem 1rem;
  background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
  border-bottom: 1px solid #eef2f6;
}

.salon-portrait-frame {
  flex-shrink: 0;
  padding: 3px;
  border-radius: 20px;
  background: linear-gradient(145deg, #cffafe, #0891b2, var(--cv-navy));
  box-shadow: 0 10px 28px rgba(8, 145, 178, 0.2);
}

.salon-portrait {
  display: block;
  width: clamp(120px, 14vw, 180px);
  height: clamp(120px, 14vw, 180px);
  border-radius: 16px;
  object-fit: cover;
  object-position: center top;
  border: 3px solid #fff;
}

.salon-name {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--cv-navy);
  letter-spacing: -0.02em;
}

.salon-role {
  margin: 0.25rem 0 0.5rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--cv-muted);
  line-height: 1.4;
}

.salon-status {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  color: #047857;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  padding: 0.22rem 0.6rem;
  border-radius: 999px;
}

.salon-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: #10b981;
  animation: salonPulse 2s ease-in-out infinite;
}

@keyframes salonPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.salon-thread {
  flex: 1;
  min-height: 140px;
  max-height: 240px;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.45rem;
  background: #f4f7fa;
  scroll-behavior: smooth;
}

.salon-msg {
  max-width: 94%;
  animation: salonMsgIn 0.22s ease-out;
}

.salon-msg--archived {
  display: none !important;
}

.salon-msg--assistant {
  align-self: flex-start;
}

.salon-msg--assistant .salon-msg-text {
  margin: 0;
  padding: 0.5rem 0.75rem;
  font-size: 0.82rem;
  line-height: 1.5;
  color: #334155;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 14px 14px 14px 4px;
  box-shadow: 0 1px 3px rgba(15, 39, 68, 0.04);
}

.salon-msg--user {
  align-self: flex-end;
}

.salon-msg--user .salon-msg-text {
  margin: 0;
  padding: 0.5rem 0.75rem;
  font-size: 0.82rem;
  line-height: 1.45;
  color: #fff;
  background: linear-gradient(135deg, #0e7490, #0891b2);
  border-radius: 14px 14px 4px 14px;
}

@keyframes salonMsgIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.salon-composer {
  flex-shrink: 0;
  display: flex;
  align-items: flex-end;
  gap: 0.6rem;
  padding: 1rem 1.25rem 1.15rem;
  background: #fff;
  border-top: 1px solid #eef2f6;
}

.salon-input {
  flex: 1;
  resize: none;
  min-height: 2.65rem;
  max-height: 5.5rem;
  padding: 0.6rem 0.85rem;
  border: 1.5px solid #e2e8f0;
  border-radius: 16px;
  font-size: 0.88rem;
  line-height: 1.4;
  font-family: inherit;
  background: #f8fafc;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.salon-input:focus {
  outline: none;
  background: #fff;
  border-color: var(--cv-cyan);
  box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.12);
}

.salon-input:disabled {
  opacity: 0.65;
}

.salon-send {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-width: 5.5rem;
  height: 2.75rem;
  padding: 0 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(145deg, #0891b2, #0e7490);
  border: none;
  border-radius: 16px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(8, 145, 178, 0.28);
  transition: transform 0.12s, opacity 0.15s;
}

.salon-send:hover:not(:disabled) {
  transform: translateY(-1px);
}

.salon-send:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.salon-send--loading .salon-send-icon {
  opacity: 0;
}

.salon-send-spinner {
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 999px;
  animation: salonSpin 0.7s linear infinite;
}

.salon-send-spinner.d-none {
  display: none !important;
}

.salon-send--loading .salon-send-spinner {
  display: inline-block !important;
}

@keyframes salonSpin {
  to { transform: rotate(360deg); }
}

.salon-send--block {
  text-decoration: none;
  margin: 1rem auto 0;
}

/* Accesos */
.dash-campus-access-title {
  margin: 0 0 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--cv-muted);
}

.dash-quick-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.85rem;
}

.dash-quick-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.05rem 1.15rem;
  background: #fff;
  border: 1px solid #edf1f5;
  border-radius: 20px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.12s;
}

.dash-quick-card:hover {
  border-color: #c5e8ef;
  box-shadow: 0 8px 22px rgba(15, 39, 68, 0.06);
  transform: translateY(-1px);
  color: inherit;
  text-decoration: none;
}

.dash-quick-card--quiet {
  background: #fafbfc;
  border-style: dashed;
}

.dash-quick-icon {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: #e8f7fa;
  color: var(--cv-cyan);
  font-size: 0.9rem;
}

.dash-quick-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--cv-navy);
}

.dash-quick-desc {
  font-size: 0.74rem;
  color: var(--cv-muted);
  line-height: 1.35;
}

.dash-campus--guest {
  text-align: center;
  max-width: 420px;
  margin: 2rem auto;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

@media (max-width: 992px) {
  .dash-campus-stage {
    grid-template-columns: 1fr;
  }

  .campus-plaque,
  .salon-chat {
    min-height: auto;
  }

  .salon-chat-presence {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 576px) {
  .salon-composer {
    flex-wrap: wrap;
  }

  .salon-send {
    width: 100%;
  }

  .dash-quick-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 400px) {
  .dash-quick-grid {
    grid-template-columns: 1fr;
  }
}
.salon-msg-text--context { margin-top: 0.35rem; font-size: 0.78rem; color: #64748b; }

/* ========== QUIZER PREMIUM UI — Evaluación de teoría ========== */
.quiz-shell {
  --qz-navy: #0a1628;
  --qz-petrol: #0f2744;
  --qz-teal: #0d4a5c;
  --qz-green: #0e5f52;
  --qz-cyan: #5ec4d4;
  --qz-cyan-deep: #0891b2;
  --qz-ivory: #faf8f5;
  --qz-muted: #64748b;
  --qz-radius: 22px;
  --qz-shadow: 0 16px 48px rgba(10, 22, 40, 0.1);
  --qz-font-serif: Georgia, "Times New Roman", serif;
}

.quiz-shell .app-content-header h3 {
  font-weight: 600;
  color: var(--qz-petrol);
}

/* Hero */
.quiz-hero {
  background: linear-gradient(135deg, var(--qz-navy) 0%, var(--qz-petrol) 45%, var(--qz-teal) 100%);
  border-radius: var(--qz-radius);
  padding: 2.25rem 2rem;
  color: #fff;
  box-shadow: var(--qz-shadow);
  margin-bottom: 1.75rem;
  position: relative;
  overflow: hidden;
}

.quiz-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 80% at 100% 0%, rgba(94, 196, 212, 0.18), transparent 55%);
  pointer-events: none;
}

.quiz-hero-inner { position: relative; z-index: 1; }

.quiz-hero-title {
  font-family: var(--qz-font-serif);
  font-size: clamp(1.65rem, 3vw, 2.15rem);
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 0.65rem;
}

.quiz-hero-lead {
  font-size: 1.02rem;
  opacity: 0.92;
  max-width: 36rem;
  margin: 0;
  line-height: 1.55;
}

/* Cards */
.quiz-card {
  background: #fff;
  border: 1px solid rgba(15, 39, 68, 0.07);
  border-radius: var(--qz-radius);
  box-shadow: var(--qz-shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.quiz-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 52px rgba(10, 22, 40, 0.12);
}

.quiz-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, rgba(94, 196, 212, 0.2), rgba(8, 145, 178, 0.15));
  color: var(--qz-cyan-deep);
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.quiz-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--qz-petrol);
  margin: 0 0 0.35rem;
}

.quiz-card-desc {
  font-size: 0.88rem;
  color: var(--qz-muted);
  margin: 0 0 1rem;
  line-height: 1.45;
}

.quiz-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
  height: 100%;
  padding: 1.5rem;
}

.quiz-andrea-card {
  background: linear-gradient(160deg, #f0f9ff 0%, #fff 70%);
  border: 1px solid rgba(8, 145, 178, 0.15);
  border-radius: var(--qz-radius);
  padding: 1.25rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.quiz-andrea-card img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(94, 196, 212, 0.5);
}

/* Config grid */
.quiz-config-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 992px) {
  .quiz-config-grid { grid-template-columns: 1fr; }
}

.quiz-section-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--qz-muted);
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(15, 39, 68, 0.08);
}

.quiz-summary-card {
  position: sticky;
  top: 1rem;
  padding: 1.35rem;
  background: linear-gradient(168deg, var(--qz-ivory) 0%, #eef4f8 100%);
}

.quiz-summary-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.88rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(15, 39, 68, 0.06);
}

.quiz-summary-row:last-child { border-bottom: none; }
.quiz-summary-row span:first-child { color: var(--qz-muted); }
.quiz-summary-row strong { color: var(--qz-petrol); text-align: right; }

.quiz-level-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  margin-top: 0.5rem;
}

@media (max-width: 576px) {
  .quiz-level-grid { grid-template-columns: 1fr; }
}

.quiz-level-card {
  padding: 0.65rem 0.75rem;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  background: #f8fafc;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.quiz-level-card.active,
.quiz-level-card:has(input:checked) {
  border-color: var(--qz-cyan-deep);
  background: #f0f9ff;
}

.quiz-level-card input { display: none; }
.quiz-level-card label {
  cursor: pointer;
  margin: 0;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--qz-petrol);
  display: block;
}

.quiz-level-card small {
  display: block;
  font-weight: 400;
  color: var(--qz-muted);
  margin-top: 0.2rem;
  line-height: 1.3;
}

.quiz-btn-primary {
  background: linear-gradient(135deg, var(--qz-petrol), var(--qz-cyan-deep));
  border: none;
  color: #fff;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
}

.quiz-btn-primary:hover {
  filter: brightness(1.06);
  color: #fff;
}

.quiz-prep-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 22, 40, 0.62);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.quiz-prep-overlay.activo { display: flex; }

.quiz-prep-box {
  background: #fff;
  border-radius: var(--qz-radius);
  padding: 2rem 2.5rem;
  text-align: center;
  max-width: 400px;
  min-width: 280px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25);
}

/* Exam sticky header */
.quiz-exam-header {
  position: sticky;
  top: 0;
  z-index: 1020;
  background: #fff;
  border: 1px solid rgba(15, 39, 68, 0.08);
  border-radius: 16px;
  padding: 0.85rem 1.15rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 8px 28px rgba(10, 22, 40, 0.08);
}

.quiz-exam-meta {
  font-size: 0.8rem;
  color: var(--qz-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.85rem;
  margin-bottom: 0.65rem;
}

.quiz-exam-meta strong { color: var(--qz-petrol); }

.quiz-timer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: linear-gradient(90deg, var(--qz-navy), var(--qz-cyan-deep));
  color: #fff;
  padding: 0.55rem 1rem;
  border-radius: 12px;
}

.quiz-timer-label {
  font-size: 0.78rem;
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.quiz-timer-value {
  font-variant-numeric: tabular-nums;
  font-size: 1.5rem;
  font-weight: 700;
}

.quiz-progress {
  margin-top: 0.65rem;
}

.quiz-progress-label {
  font-size: 0.75rem;
  color: var(--qz-muted);
  margin-bottom: 0.25rem;
  display: flex;
  justify-content: space-between;
}

.quiz-progress .progress {
  height: 8px;
  border-radius: 999px;
  background: #e2e8f0;
}

.quiz-progress .progress-bar {
  background: linear-gradient(90deg, var(--qz-cyan-deep), var(--qz-green));
  border-radius: 999px;
}

.quiz-question-card {
  background: #fff;
  border: 1px solid rgba(15, 39, 68, 0.08);
  border-radius: 18px;
  padding: 1.35rem 1.5rem;
  margin-bottom: 1rem;
  box-shadow: 0 4px 16px rgba(10, 22, 40, 0.04);
}

.quiz-question-card.answered {
  border-left: 4px solid var(--qz-cyan-deep);
}

.quiz-question-num {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--qz-cyan-deep);
  margin-bottom: 0.5rem;
}

.quiz-option {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 0.65rem 0.85rem;
  margin-bottom: 0.5rem;
  transition: border-color 0.15s, background 0.15s;
}

.quiz-option:hover {
  border-color: rgba(8, 145, 178, 0.35);
  background: #f8fafc;
}

.quiz-option:has(input:checked) {
  border-color: var(--qz-cyan-deep);
  background: #f0f9ff;
}

.quiz-submit-bar {
  position: sticky;
  bottom: 0;
  background: linear-gradient(180deg, transparent, #fff 24%);
  padding: 1.25rem 0 0.5rem;
  margin-top: 0.5rem;
}

.quiz-timeout-banner {
  display: none;
  background: #fef3c7;
  border: 1px solid #fcd34d;
  color: #92400e;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  margin-bottom: 1rem;
  font-weight: 500;
}

.quiz-timeout-banner.visible { display: block; }

.quiz-error-card {
  text-align: center;
  padding: 2.5rem 2rem;
  max-width: 520px;
  margin: 2rem auto;
}

/* Results */
.quiz-result-hero {
  text-align: center;
  padding: 2rem 1.5rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(168deg, var(--qz-ivory) 0%, #fff 60%);
}

.quiz-result-score {
  font-size: clamp(3rem, 8vw, 4.25rem);
  font-weight: 800;
  line-height: 1;
  margin: 0.5rem 0;
}

.quiz-result-score.score-excelente { color: #047857; }
.quiz-result-score.score-suficiente { color: var(--qz-cyan-deep); }
.quiz-result-score.score-refuerzo { color: #b45309; }

.quiz-result-estado {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  margin-top: 0.5rem;
}

.quiz-result-estado.estado-excelente { background: #d1fae5; color: #047857; }
.quiz-result-estado.estado-suficiente { background: #e0f2fe; color: #0369a1; }
.quiz-result-estado.estado-refuerzo { background: #ffedd5; color: #c2410c; }

.quiz-result-meta {
  font-size: 0.88rem;
  color: var(--qz-muted);
  margin-top: 0.75rem;
}

.quiz-result-item {
  border-radius: 16px;
  border: 1px solid #e2e8f0;
  margin-bottom: 1rem;
  overflow: hidden;
}

.quiz-result-item-header {
  padding: 0.65rem 1.15rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.quiz-result-item-header.ok { background: #ecfdf5; color: #047857; }
.quiz-result-item-header.bad { background: #fef2f2; color: #b91c1c; }
.quiz-result-item-header.partial { background: #f0f9ff; color: #0369a1; }

.quiz-result-item-body { padding: 1.15rem 1.25rem; }

.quiz-feedback-box {
  background: #f8fafc;
  border-left: 4px solid var(--qz-cyan-deep);
  padding: 0.85rem 1rem;
  border-radius: 0 10px 10px 0;
  margin-top: 0.75rem;
  font-size: 0.88rem;
}

.quiz-actions-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: center;
  margin-top: 1.75rem;
}

/* History dashboard */
.quiz-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 992px) {
  .quiz-stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .quiz-stats-grid { grid-template-columns: 1fr; }
}

.quiz-stat-card {
  padding: 1.15rem 1.25rem;
  border-radius: 16px;
  background: #fff;
  border: 1px solid rgba(15, 39, 68, 0.07);
  box-shadow: 0 6px 20px rgba(10, 22, 40, 0.05);
}

.quiz-stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--qz-petrol);
  line-height: 1.1;
}

.quiz-stat-label {
  font-size: 0.78rem;
  color: var(--qz-muted);
  margin-top: 0.25rem;
}

.quiz-history-table {
  width: 100%;
  font-size: 0.88rem;
}

.quiz-history-table thead th {
  background: var(--qz-petrol);
  color: #fff;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.75rem 0.65rem;
  border: none;
}

.quiz-history-table tbody td {
  padding: 0.7rem 0.65rem;
  vertical-align: middle;
  border-color: #eef2f6;
}

.quiz-status-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.28rem 0.55rem;
  border-radius: 6px;
}

.quiz-status-badge.status-evaluated { background: #d1fae5; color: #047857; }
.quiz-status-badge.status-generated { background: #e2e8f0; color: #475569; }
.quiz-status-badge.status-submitted { background: #fef3c7; color: #92400e; }
.quiz-status-badge.status-legacy { background: #f1f5f9; color: #64748b; }

.quiz-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
  margin-bottom: 1rem;
}

.quiz-toolbar-danger {
  opacity: 0.85;
}

.quiz-toolbar-danger .btn-outline-danger {
  font-size: 0.8rem;
}

/* ========== COGNITUS LANDING 003 — PREMIUM ENGINE ARCHITECTURE ========== */
/* LOTE 004: micro-polish applied in-place below */

.cog-inst {
  --ci-night: #061220;
  --ci-petrol: #0a3340;
  --ci-teal: #0c4f58;
  --ci-teal-deep: #083840;
  --ci-ivory: #f8f5ef;
  --ci-ivory-soft: rgba(248, 245, 239, 0.82);
  --ci-ivory-faint: rgba(248, 245, 239, 0.42);
  --ci-cyan: #6ec9b8;
  --ci-cyan-dim: rgba(110, 201, 184, 0.45);
  --ci-line: rgba(248, 245, 239, 0.11);
  --ci-line-strong: rgba(248, 245, 239, 0.2);
  --ci-panel: rgba(10, 40, 52, 0.72);
  --ci-serif: Georgia, "Times New Roman", Times, serif;
  --ci-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --ci-max: 1200px;
  margin: 0;
  min-height: 100vh;
  font-family: var(--ci-sans);
  font-size: 1rem;
  color: var(--ci-ivory);
  background: var(--ci-night);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

.cog-inst *,
.cog-inst *::before,
.cog-inst *::after {
  box-sizing: border-box;
}

.cog-inst-atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(168deg, var(--ci-night) 0%, #0a2238 45%, var(--ci-petrol) 82%, var(--ci-teal-deep) 100%);
}

.cog-inst-atmosphere-veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 42% at 88% 22%, rgba(12, 79, 88, 0.35) 0%, transparent 58%),
    radial-gradient(ellipse 35% 30% at 5% 95%, rgba(10, 51, 64, 0.22) 0%, transparent 50%);
}

.cog-inst-atmosphere-grain {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.cog-inst-page {
  position: relative;
  z-index: 1;
  max-width: var(--ci-max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

/* --- Header PRO --- */
.cog-inst-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.65rem 0 1.55rem;
  border-bottom: 1px solid var(--ci-line);
  margin-bottom: 0.15rem;
}

.cog-inst-header-brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.cog-inst-header-logo {
  display: block;
  line-height: 0;
}

.cog-inst-logo-img {
  display: block;
  width: clamp(135px, 16vw, 190px);
  height: auto;
  max-width: min(190px, 52vw);
  object-fit: contain;
  object-position: left center;
  filter: none;
  opacity: 1;
}

/* LOTE 006/008 — logo blanco desde source RGBA, sin texto duplicado */

.cog-inst-header-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.35rem 0.95rem;
}

.cog-inst-nav-link {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ci-ivory-faint);
  padding: 0.35rem 0;
  transition: color 0.25s ease;
}

.cog-inst-nav-link:hover {
  color: var(--ci-ivory);
}

.cog-inst-nav-cta {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ci-night);
  background: var(--ci-ivory);
  padding: 0.65rem 1.15rem;
  margin-left: 0.5rem;
  border-radius: 2px;
  transition: background 0.25s ease, box-shadow 0.25s ease;
}

.cog-inst-nav-cta:hover {
  background: #fff;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  color: var(--ci-night);
}

/* --- Hero --- */
.cog-inst-hero {
  padding: clamp(1.75rem, 4vh, 3rem) 0 clamp(2.25rem, 5vh, 3.25rem);
  min-height: auto;
  display: flex;
  align-items: flex-start;
}

.cog-inst-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  width: 100%;
}

.cog-inst-eyebrow {
  margin: 0 0 1.25rem;
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #8ed9c8;
  opacity: 0.95;
}

.cog-inst-brand {
  margin: 0 0 1.5rem;
  font-family: Georgia, "Times New Roman", Times, serif;
  font-size: clamp(3rem, 7.5vw, 5.15rem);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: 0.1em;
  text-indent: 0.1em;
  color: var(--ci-ivory);
}

.cog-inst-lead {
  margin: 0 0 1rem;
  max-width: 28rem;
  font-size: clamp(1.05rem, 1.7vw, 1.2rem);
  line-height: 1.65;
  color: var(--ci-ivory);
  font-weight: 500;
}

.cog-inst-sub {
  margin: 0 0 2.25rem;
  max-width: 26rem;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--ci-ivory-soft);
}

.cog-inst-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1rem;
}

.cog-inst-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.9rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 2px;
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, color 0.3s ease;
}

.cog-inst-btn--primary {
  color: var(--ci-night);
  background: var(--ci-ivory);
  border: 1px solid var(--ci-ivory);
}

.cog-inst-btn--primary:hover {
  background: #fff;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
}

.cog-inst-btn--ghost {
  color: var(--ci-ivory-soft);
  background: transparent;
  border: 1px solid var(--ci-line-strong);
}

.cog-inst-btn--ghost:hover {
  color: var(--ci-ivory);
  border-color: rgba(248, 245, 239, 0.35);
  background: rgba(248, 245, 239, 0.04);
}

/* --- Engine Map (hero right) --- */
.cog-inst-engine-map {
  display: flex;
  justify-content: center;
  align-items: center;
}

.cog-inst-engine-map-frame {
  position: relative;
  width: 100%;
  max-width: 400px;
  min-width: 280px;
  aspect-ratio: 1;
  padding: 1.75rem;
  background: var(--ci-panel);
  border: 1px solid var(--ci-line-strong);
  border-radius: 4px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
}

.cog-inst-engine-map-label {
  position: absolute;
  top: 1.25rem;
  left: 1.5rem;
  margin: 0;
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ci-cyan);
  z-index: 2;
  opacity: 0.95;
}

.cog-inst-engine-map-svg {
  width: 76%;
  height: auto;
  margin: 10% auto 0;
  display: block;
  color: #7ed4c4;
  opacity: 0.92;
}

.cog-inst-engine-map-nodes {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.cog-inst-node {
  position: absolute;
  margin: 0;
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ci-ivory);
}

.cog-inst-node span {
  display: inline-block;
  max-width: 5.5rem;
  text-align: center;
  line-height: 1.25;
  padding: 0.3rem 0.45rem;
  background: rgba(6, 18, 32, 0.88);
  border: 1px solid rgba(110, 201, 184, 0.28);
  border-radius: 2px;
}

.cog-inst-node--learning { top: 8%; left: 50%; transform: translateX(-50%); }
.cog-inst-node--memory { top: 50%; right: 4%; transform: translateY(-50%); }
.cog-inst-node--skills { bottom: 8%; left: 50%; transform: translateX(-50%); }
.cog-inst-node--performance { top: 50%; left: 4%; transform: translateY(-50%); }
.cog-inst-node--debrief { top: 22%; right: 14%; }
.cog-inst-node--adaptation { bottom: 22%; right: 14%; }

/* --- Main content blocks --- */
.cog-inst-main {
  padding-bottom: 4rem;
}

.cog-engine-block {
  padding: clamp(2.5rem, 5.5vh, 3.75rem) 0;
  border-top: 1px solid var(--ci-line);
}

.cog-engine-title {
  margin: 0 0 1.5rem;
  font-family: var(--ci-serif);
  font-size: clamp(1.65rem, 3.5vw, 2.35rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--ci-ivory);
  max-width: 28ch;
}

.cog-engine-prose,
.cog-engine-intro {
  margin: 0;
  max-width: 40rem;
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--ci-ivory-soft);
}

.cog-engine-intro {
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

/* Engine Layer list */
.cog-engine-layer-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  border: 1px solid var(--ci-line);
  border-radius: 4px;
  overflow: hidden;
}

.cog-engine-layer-list li {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 1.35rem 1.5rem;
  border-bottom: 1px solid var(--ci-line);
  border-right: 1px solid var(--ci-line);
  font-size: 0.9rem;
  color: var(--ci-ivory-soft);
  background: rgba(10, 40, 52, 0.25);
}

.cog-engine-layer-list li:last-child {
  border-bottom: none;
}

.cog-engine-layer-num {
  font-family: var(--ci-serif);
  font-size: 0.85rem;
  color: var(--ci-cyan);
  flex-shrink: 0;
  min-width: 1.5rem;
}

/* Five systems */
.cog-engine-systems-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin-top: 0.5rem;
}

.cog-engine-system {
  padding: 1.5rem 1.25rem 1.75rem 0;
  border-left: 1px solid var(--ci-line);
  padding-left: 1.25rem;
}

.cog-engine-system:first-child {
  border-left: none;
  padding-left: 0;
}

.cog-engine-system-id {
  display: block;
  font-family: var(--ci-serif);
  font-size: 1.5rem;
  color: var(--ci-cyan-dim);
  margin-bottom: 0.75rem;
  line-height: 1;
}

.cog-engine-system h3 {
  margin: 0 0 0.4rem;
  font-family: var(--ci-serif);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--ci-ivory);
  line-height: 1.3;
}

.cog-engine-system p {
  margin: 0;
  font-size: 0.8rem;
  color: var(--ci-ivory-faint);
  line-height: 1.5;
}

/* 12 motors grid */
.cog-engine-motors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--ci-line);
  border: 1px solid var(--ci-line);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 0.5rem;
}

.cog-engine-motor-card {
  padding: 1.5rem 1.4rem 1.65rem;
  background: rgba(8, 28, 38, 0.72);
  transition: background 0.25s ease;
}

.cog-engine-motor-card:hover {
  background: rgba(12, 45, 58, 0.85);
}

.cog-engine-motor-num {
  display: block;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--ci-cyan);
  margin-bottom: 0.65rem;
}

.cog-engine-motor-name {
  margin: 0 0 0.25rem;
  font-family: var(--ci-serif);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--ci-ivory);
  line-height: 1.3;
}

.cog-engine-motor-sub {
  margin: 0 0 0.85rem;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ci-ivory-faint);
}

.cog-engine-motor-fn,
.cog-engine-motor-obj {
  margin: 0 0 0.45rem;
  font-size: 0.86rem;
  line-height: 1.58;
  color: var(--ci-ivory-soft);
}

.cog-engine-motor-fn strong,
.cog-engine-motor-obj strong {
  font-weight: 600;
  color: var(--ci-ivory-faint);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Footer */
.cog-inst-footer {
  padding: 2rem 0 2.75rem;
  border-top: 1px solid var(--ci-line);
}

.cog-inst-footer p {
  margin: 0;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ci-ivory-faint);
  text-align: center;
}

/* --- Responsive --- */
@media (min-width: 1025px) and (min-height: 820px) {
  .cog-inst-hero {
    min-height: calc(100svh - 11rem);
    align-items: center;
  }
}

@media (max-width: 1200px) {
  .cog-inst-header-nav {
    gap: 0.35rem 0.75rem;
  }

  .cog-inst-nav-link,
  .cog-inst-nav-cta {
    font-size: 0.6rem;
  }
}

@media (max-width: 1024px) {
  .cog-engine-systems-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem 0;
  }

  .cog-engine-system {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--ci-line);
    padding-top: 1.5rem;
  }

  .cog-engine-system:nth-child(-n+2) {
    border-top: none;
    padding-top: 0;
  }
}

@media (max-width: 860px) {
  .cog-inst-hero-inner {
    grid-template-columns: 1fr;
  }

  .cog-inst-engine-map {
    order: -1;
    margin-bottom: 1.25rem;
  }

  .cog-inst-engine-map-frame {
    max-width: min(360px, 92vw);
    margin: 0 auto;
  }
}

@media (max-width: 720px) {
  .cog-engine-title {
    max-width: none;
  }

  .cog-inst-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.35rem;
  }

  .cog-inst-header-nav {
    width: 100%;
    justify-content: flex-start;
    gap: 0.5rem 0.85rem;
  }

  .cog-inst-nav-cta {
    margin-left: 0;
    margin-top: 0.35rem;
    width: 100%;
    text-align: center;
  }

  .cog-inst-hero {
    min-height: auto;
    padding-bottom: 3rem;
  }

  .cog-inst-logo-img {
    width: clamp(135px, 34vw, 155px);
    max-width: min(155px, 90vw);
  }


  .cog-inst-actions {
    flex-direction: column;
    align-items: stretch;
    max-width: 22rem;
  }

  .cog-inst-btn {
    width: 100%;
  }

  .cog-engine-systems-grid {
    grid-template-columns: 1fr;
  }

  .cog-engine-system:nth-child(-n+2) {
    border-top: 1px solid var(--ci-line);
    padding-top: 1.5rem;
  }

  .cog-engine-system:first-child {
    border-top: none;
    padding-top: 0;
  }

  .cog-engine-layer-list {
    grid-template-columns: 1fr;
  }

  .cog-engine-layer-list li {
    border-right: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cog-inst-btn,
  .cog-inst-nav-link,
  .cog-inst-nav-cta,
  .cog-engine-motor-card {
    transition: none;
  }
}

/* Cognitus topic workspace (lote 048) — mirror of inline styles in topic_workspace.html */
.cognitus-ws-block { border: 1px solid #dee2e6; border-radius: 0.375rem; background: #fff; margin-bottom: 0.75rem; }
.cognitus-ws-block-title { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: #6c757d; padding: 0.5rem 0.75rem; border-bottom: 1px solid #eee; background: #f8f9fa; }
.cognitus-json-details summary { font-size: 0.7rem; color: #6c757d; cursor: pointer; }

/* COGNITUS LEARNER UX 051 */
.cog-learner-hero {
  border: 1px solid #e3e8ef;
  background: linear-gradient(135deg, #f8fafc 0%, #ffffff 55%);
}
.cog-learner-hero .h4,
.cog-learner-hero .h3 {
  font-weight: 600;
  letter-spacing: -0.02em;
}
.cog-learner-meta {
  font-size: 0.875rem;
  color: #6c757d;
  line-height: 1.45;
}
.cog-learner-primary-card {
  border-left: 4px solid #0d6efd;
  background: #fff;
}
.cog-learner-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 576px) {
  .cog-learner-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 992px) {
  .cog-learner-card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.cog-learner-card {
  border: 1px solid #e9ecef;
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}
.cog-learner-card:hover {
  border-color: #cfe2ff;
  box-shadow: 0 0.25rem 0.75rem rgba(13, 110, 253, 0.08);
}
.cog-learner-cta {
  font-weight: 600;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}
.cog-learner-progress {
  border: 1px solid #e9ecef;
}
.cog-learner-soft-section {
  padding: 0.25rem 0;
}
.cog-learner-debug summary {
  cursor: pointer;
  font-size: 0.8rem;
  color: #6c757d;
}
.cog-learner-debug pre {
  font-size: 0.7rem;
  max-height: 160px;
  overflow: auto;
}

/* COGNITUS GUIDED TRAINING UX 052A */
.cog-training-shell {
  max-width: 1200px;
  margin: 0 auto;
}
.cog-training-hero {
  border: 1px solid #dce3ec;
  background: linear-gradient(145deg, #0f172a 0%, #1e3a5f 42%, #f8fafc 100%);
  color: #0f172a;
}
.cog-training-hero .card-body {
  background: rgba(255, 255, 255, 0.94);
  border-radius: 0.375rem;
}
.cog-training-pill {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #475569;
  background: #e8eef5;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
}
.cog-training-pill--status {
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.85rem;
  background: #dbeafe;
  color: #1e40af;
}
.cog-training-mission {
  border-left: 4px solid #2563eb;
}
.cog-training-challenge {
  border: 2px solid #cbd5e1;
  box-shadow: 0 0.5rem 1.25rem rgba(15, 23, 42, 0.06);
}
.cog-training-challenge .cog-training-primary-action {
  padding: 0.25rem 0;
}
.cog-training-result__block {
  padding: 0.85rem 0;
  border-bottom: 1px solid #eef2f6;
}
.cog-training-result__block:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.cog-training-meter {
  height: 6px;
  background: #e2e8f0;
  border-radius: 999px;
  overflow: hidden;
}
.cog-training-meter__fill {
  height: 100%;
  width: var(--cog-meter, 0%);
  max-width: 100%;
  background: linear-gradient(90deg, #3b82f6, #1d4ed8);
  border-radius: 999px;
  transition: width 0.4s ease;
}
.cog-training-secondary-actions .border {
  border-color: #e2e8f0 !important;
  background: #fafbfc;
}
.cog-training-more summary {
  cursor: pointer;
  font-weight: 600;
  list-style-position: inside;
}
.cog-training-debug summary {
  cursor: pointer;
  font-size: 0.8rem;
  color: #64748b;
}
.cog-training-debug pre {
  font-size: 0.68rem;
  max-height: 160px;
  overflow: auto;
}
@media (max-width: 575.98px) {
  .cog-training-challenge .btn-lg {
    font-size: 1rem;
    padding: 0.65rem 1rem;
  }
}

/* COGNITUS STAGE FLOW UX 053 */
.cog-stage-flow {
  max-width: 1180px;
  margin: 0 auto;
}
.cog-stage-step-list {
  align-items: flex-start;
}
.cog-stage-step {
  min-width: 4.5rem;
  padding: 0.25rem 0.15rem;
}
.cog-stage-step__dot {
  display: block;
  width: 10px;
  height: 10px;
  margin: 0 auto 0.35rem;
  border-radius: 50%;
  background: #cbd5e1;
  border: 2px solid #94a3b8;
}
.cog-stage-step-current .cog-stage-step__dot {
  background: #2563eb;
  border-color: #1d4ed8;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}
.cog-stage-step-complete .cog-stage-step__dot {
  background: #1e40af;
  border-color: #1e3a8a;
}
.cog-stage-step-locked .cog-stage-step__label {
  color: #94a3b8;
}
.cog-stage-step-current .cog-stage-step__label {
  font-weight: 600;
  color: #1e3a8a;
}
.cog-stage-step-complete .cog-stage-step__label {
  color: #475569;
}
.cog-stage-step-connector {
  flex: 1 1 12px;
  align-self: center;
  height: 2px;
  min-width: 8px;
  background: #e2e8f0;
  margin-top: 0.35rem;
}
.cog-stage-primary {
  border: 2px solid #e2e8f0;
  box-shadow: 0 0.35rem 1rem rgba(15, 23, 42, 0.05);
}
.cog-stage-result__block,
.cog-stage-result .mb-3:last-child {
  border-bottom: 1px solid #f1f5f9;
}
.cog-stage-debug pre {
  font-size: 0.68rem;
}
@media (max-width: 767.98px) {
  .cog-stage-step {
    min-width: 3.2rem;
  }
  .cog-stage-step__label {
    font-size: 0.65rem;
  }
}

/* =============================================================================
   Cognitus Workspace Premium (LOTE 10)
   Solo clases cognitus-* — sin reglas globales agresivas
   ============================================================================= */

/* --- Workspace shell --- */
.cognitus-workspace-premium {
  --cog-ink: #0f172a;
  --cog-muted: #64748b;
  --cog-border: #e2e8f0;
  --cog-surface: #ffffff;
  --cog-surface-alt: #f8fafc;
  --cog-accent: #1e3a5f;
  --cog-accent-soft: #eef2f7;
  --cog-focus: #334155;
  --cog-radius: 0.625rem;
  --cog-shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 4px 14px rgba(15, 23, 42, 0.04);
}

.cognitus-workspace-header {
  border: 1px solid var(--cog-border);
  border-radius: var(--cog-radius);
  box-shadow: var(--cog-shadow);
  overflow: hidden;
}
.cognitus-workspace-header__body {
  padding: 1.25rem 1.35rem;
  background: linear-gradient(135deg, #fafbfc 0%, #f1f5f9 100%);
}
.cognitus-workspace-header__eyebrow {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cog-muted);
}
.cognitus-workspace-header__title {
  color: var(--cog-ink);
  font-weight: 650;
  letter-spacing: -0.02em;
}
.cognitus-workspace-header__meta {
  font-size: 0.875rem;
  color: var(--cog-muted);
}
.cognitus-workspace-header__path {
  color: var(--cog-focus);
  font-weight: 500;
}
.cognitus-btn-ghost {
  border: 1px solid var(--cog-border);
  color: var(--cog-focus);
  background: var(--cog-surface);
  border-radius: 0.5rem;
  font-weight: 500;
}
.cognitus-btn-ghost:hover {
  background: var(--cog-surface-alt);
  border-color: #cbd5e1;
  color: var(--cog-ink);
}

.cognitus-workspace-sidebar {
  border: 1px solid var(--cog-border);
  border-radius: var(--cog-radius);
}
.cognitus-workspace-sidebar__title {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cog-muted);
}
.cognitus-sidebar-progress__bar {
  height: 6px;
  border-radius: 999px;
  background: #e2e8f0;
}
.cognitus-sidebar-progress__bar .progress-bar {
  background: linear-gradient(90deg, #475569, #1e293b);
  border-radius: 999px;
}
.cognitus-sidebar-progress__value {
  color: var(--cog-ink);
}

/* --- LOTE 10B — jerarquía: ejercicios primero, legacy secundario --- */
.cognitus-primary-training {
  border-color: #cbd5e1;
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.07);
}
.cognitus-exercise-title {
  font-weight: 700;
  color: #0f172a;
  letter-spacing: -0.02em;
}
.cognitus-exercise-subtitle {
  font-size: 0.875rem;
  color: #64748b;
  line-height: 1.5;
  max-width: 36rem;
}
.cognitus-recommendation-loading {
  padding: 0.65rem 0.85rem;
  background: #f8fafc;
  border: 1px dashed #e2e8f0;
  border-radius: 0.5rem;
  font-style: italic;
}
.cognitus-legacy-stage-panel {
  border: 1px solid #e2e8f0;
  border-radius: var(--cog-radius, 0.625rem);
  background: #fafbfc;
  opacity: 0.98;
}
.cognitus-legacy-stage-panel__summary {
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  color: #64748b;
  background: #f8fafc !important;
  border-bottom: 1px solid #e2e8f0;
}
.cognitus-legacy-stage-panel__summary::-webkit-details-marker {
  color: #94a3b8;
}
.cognitus-legacy-stage-panel__body {
  padding: 1rem 1rem 0.5rem;
}
.cognitus-legacy-stage-panel .cog-stage-primary,
.cognitus-legacy-stage-panel .cog-stage-result,
.cognitus-legacy-stage-panel .cog-stage-progress {
  border-color: #e2e8f0;
  box-shadow: none;
}
.cognitus-legacy-stage-panel .cog-stage-primary .card-body {
  padding-top: 0.85rem;
}

/* --- Activity Panel --- */
.cognitus-panel-premium {
  border: 1px solid var(--cog-border);
  border-radius: var(--cog-radius);
  box-shadow: var(--cog-shadow);
  overflow: hidden;
}
.cognitus-activity-panel__header {
  background: var(--cog-surface);
  border-bottom: 1px solid var(--cog-border);
  padding: 1rem 1.25rem;
}
.cognitus-activity-panel__title {
  font-weight: 650;
  color: var(--cog-ink);
  letter-spacing: -0.01em;
}
.cognitus-activity-panel__lead {
  font-size: 0.8125rem;
  color: var(--cog-muted);
  line-height: 1.5;
  max-width: 42rem;
}
.cognitus-activity-panel__body {
  padding: 1.15rem 1.25rem 1.35rem;
}
.cognitus-panel-status {
  padding: 0.35rem 0;
}

.cognitus-activity-toolbar {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid #f1f5f9;
}
.cognitus-progress-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem;
  margin-bottom: 1rem;
}
.cognitus-stat-card {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.65rem 0.75rem;
  background: var(--cog-surface-alt);
  border: 1px solid var(--cog-border);
  border-radius: 0.5rem;
}
.cognitus-stat-card__value {
  font-size: 1.125rem;
  font-weight: 650;
  color: var(--cog-ink);
  line-height: 1.2;
}
.cognitus-stat-card__label {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--cog-muted);
}
.cognitus-stat-card--success .cognitus-stat-card__value {
  color: #166534;
}
.cognitus-stat-card--accent .cognitus-stat-card__value {
  color: #1e3a5f;
}
.cognitus-stat-card--muted .cognitus-stat-card__value {
  color: #64748b;
}

.cognitus-activity-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.cognitus-activity-panel .cognitus-filter-select {
  min-width: 9.5rem;
  max-width: 14rem;
  font-size: 0.8125rem;
  border-color: var(--cog-border);
  border-radius: 0.5rem;
  color: var(--cog-focus);
  background-color: var(--cog-surface);
}

.cognitus-activities-list {
  margin-top: 0.5rem;
}
.cognitus-activity-engine-group h3 {
  font-size: 0.68rem;
  letter-spacing: 0.07em;
  color: var(--cog-muted);
  margin-bottom: 0.75rem !important;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid #f1f5f9;
}

.cognitus-show-more {
  display: block;
  width: 100%;
  max-width: 240px;
  margin-left: auto;
  margin-right: auto;
  border: 1px solid var(--cog-border);
  color: var(--cog-focus);
  background: var(--cog-surface);
  border-radius: 0.5rem;
  font-weight: 500;
  padding: 0.45rem 1rem;
}
.cognitus-show-more:hover {
  background: var(--cog-surface-alt);
  border-color: #cbd5e1;
}

.cognitus-empty-filter-result {
  font-style: italic;
  color: var(--cog-muted);
  padding: 0.5rem 0;
}

/* --- Recommendation --- */
.cognitus-recommendation-box {
  position: relative;
  margin-bottom: 1.25rem;
  padding: 1.1rem 1.2rem 1.15rem;
  background: linear-gradient(145deg, #f8fafc 0%, #eef2f7 100%);
  border: 1px solid #c7d2e0;
  border-radius: var(--cog-radius);
  box-shadow: 0 2px 8px rgba(30, 58, 95, 0.08);
}
.cognitus-recommendation-box__badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: #1e3a5f;
  background: rgba(30, 58, 95, 0.1);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  margin-bottom: 0.5rem;
}
.cognitus-recommendation-title {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--cog-muted);
  margin-bottom: 0.35rem !important;
}
.cognitus-recommendation-activity {
  font-size: 1.05rem;
  font-weight: 650;
  color: var(--cog-ink);
  line-height: 1.35;
}
.cognitus-recommendation-meta {
  margin-top: 0.35rem;
}
.cognitus-recommendation-engine,
.cognitus-recommendation-strategy {
  font-size: 0.8125rem;
  color: var(--cog-focus);
  margin-bottom: 0.2rem !important;
}
.cognitus-recommendation-strategy {
  font-weight: 500;
  color: #1e3a5f;
}
.cognitus-recommendation-reason {
  font-size: 0.8125rem;
  color: var(--cog-muted);
  line-height: 1.55;
}
.cognitus-recommendation-action {
  font-weight: 600;
  border-radius: 0.5rem;
  padding: 0.4rem 1rem;
  background: #1e293b;
  border: 1px solid #1e293b;
  color: #fff;
}
.cognitus-recommendation-action:hover {
  background: #334155;
  border-color: #334155;
  color: #fff;
}
.cognitus-recommendation-empty {
  font-size: 0.8125rem;
  color: var(--cog-muted);
}

/* --- Activity Cards --- */
.cognitus-activity-card {
  background: var(--cog-surface);
  border: 1px solid var(--cog-border);
  border-radius: var(--cog-radius);
  padding: 1rem 1.1rem;
  margin-bottom: 0.85rem;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.cognitus-activity-card__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
}
.cognitus-activity-card__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.cognitus-activity-panel .cognitus-engine-badge {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.68rem;
  font-weight: 500;
  padding: 0.2rem 0.5rem;
  border-radius: 0.35rem;
  background: #f1f5f9;
  color: #475569;
  border: 1px solid #e2e8f0;
}
.cognitus-activity-panel .cognitus-type-badge {
  font-size: 0.68rem;
  font-weight: 500;
  padding: 0.2rem 0.5rem;
  border-radius: 0.35rem;
  background: #fafafa;
  color: #64748b;
  border: 1px solid #e2e8f0;
}
.cognitus-status-badge {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.22rem 0.55rem;
  border-radius: 999px;
  white-space: nowrap;
}
.cognitus-status-badge--none,
.cognitus-status-badge--null {
  background: #f1f5f9;
  color: #64748b;
}
.cognitus-status-badge--started {
  background: #eff6ff;
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
}
.cognitus-status-badge--submitted {
  background: #fffbeb;
  color: #92400e;
  border: 1px solid #fde68a;
}
.cognitus-status-badge--evaluated {
  background: #f0fdf4;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.cognitus-activity-card__title {
  font-size: 1rem;
  font-weight: 650;
  color: var(--cog-ink);
  margin-bottom: 0.35rem;
  line-height: 1.35;
}
.cognitus-activity-card__instruction {
  font-size: 0.9rem;
  color: #334155;
  line-height: 1.55;
  margin-bottom: 0.65rem;
}
.cognitus-activity-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}
.cognitus-difficulty-badge,
.cognitus-time-badge {
  font-size: 0.68rem;
  font-weight: 500;
  padding: 0.18rem 0.45rem;
  border-radius: 0.35rem;
  background: var(--cog-surface-alt);
  color: var(--cog-muted);
  text-transform: capitalize;
}
.cognitus-ai-notice {
  display: inline-block;
  font-size: 0.68rem;
  padding: 0.2rem 0.5rem;
  margin-bottom: 0.5rem;
  border-radius: 0.35rem;
  background: #fffbeb;
  color: #92400e;
  border: 1px solid #fde68a;
}

.cognitus-activity-card--recommended,
.cognitus-activity-card.cognitus-activity-priority {
  border-color: #94a3b8;
  box-shadow: 0 0 0 1px rgba(30, 58, 95, 0.12), var(--cog-shadow);
  background: linear-gradient(180deg, #fafbfc 0%, #fff 100%);
}
.cognitus-activity-card--started {
  border-color: #93c5fd;
  box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.12);
}
.cognitus-activity-card--evaluated,
.cognitus-activity-muted {
  opacity: 0.92;
  background: var(--cog-surface-alt);
}
.cognitus-activity-muted .cognitus-activity-answer {
  display: none;
}
.cognitus-activity-muted .cognitus-activity-actions .btn-primary {
  visibility: hidden;
  height: 0;
  padding: 0;
  margin: 0;
  border: 0;
  overflow: hidden;
}
.cognitus-activity-card.cognitus-activity-highlight {
  outline: 2px solid #475569;
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(71, 85, 105, 0.12);
}

.cognitus-activity-panel .cognitus-activity-answer {
  font-size: 0.9rem;
  border-radius: 0.5rem;
  border-color: var(--cog-border);
  margin-bottom: 0.75rem;
  resize: vertical;
  min-height: 5.5rem;
}
.cognitus-activity-panel .cognitus-activity-answer:focus {
  border-color: #94a3b8;
  box-shadow: 0 0 0 3px rgba(148, 163, 184, 0.25);
}
.cognitus-activity-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.cognitus-activity-actions .btn-outline-primary {
  border-color: #94a3b8;
  color: #334155;
  border-radius: 0.5rem;
  font-weight: 500;
}
.cognitus-activity-actions .btn-primary {
  background: #1e293b;
  border-color: #1e293b;
  border-radius: 0.5rem;
  font-weight: 600;
}
.cognitus-activity-actions .btn-primary:hover {
  background: #334155;
  border-color: #334155;
}

/* --- Evaluation --- */
.cognitus-evaluation-box {
  background: var(--cog-surface-alt);
  border: 1px solid var(--cog-border);
  border-radius: 0.5rem;
  padding: 0.85rem 0.95rem;
  margin: 0.75rem 0;
}
.cognitus-evaluation-box__score-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.55rem;
}
.cognitus-score-pill {
  display: inline-block;
  font-weight: 650;
  font-size: 0.78rem;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  letter-spacing: 0.01em;
}
.cognitus-score-high {
  background-color: #dcfce7;
  color: #166534;
}
.cognitus-score-medium {
  background-color: #fef9c3;
  color: #854d0e;
}
.cognitus-score-low {
  background-color: #fee2e2;
  color: #991b1b;
}
.cognitus-evaluation-box__label {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--cog-muted);
  margin-bottom: 0.2rem;
}
.cognitus-feedback-text {
  color: #334155;
  line-height: 1.55;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}
.cognitus-debrief-box {
  color: var(--cog-ink);
  font-weight: 500;
  font-size: 0.8125rem;
}
.cognitus-evaluation-limitation {
  font-style: italic;
  font-size: 0.75rem;
  color: var(--cog-muted);
}
.cognitus-debrief-collapse {
  font-size: 0.8125rem;
}
.cognitus-debrief-collapse summary {
  cursor: pointer;
  color: #1e3a5f;
  font-weight: 600;
  list-style-position: outside;
}
.cognitus-debrief-collapse summary:hover {
  color: var(--cog-ink);
}

/* --- Debate Room --- */
.cognitus-debate-room-panel {
  border: 1px solid #d4d4d8;
  border-radius: var(--cog-radius);
  box-shadow: var(--cog-shadow);
  overflow: hidden;
  background: linear-gradient(180deg, #fafaf9 0%, #fff 100%);
}
.cognitus-debate-room-panel__summary {
  cursor: pointer;
  list-style: none;
  padding: 1rem 1.2rem;
  background: linear-gradient(135deg, #f5f5f4 0%, #fafaf9 100%);
  border-bottom: 1px solid #e7e5e4;
}
.cognitus-debate-room-panel__summary::-webkit-details-marker {
  display: none;
}
.cognitus-debate-room-panel__title {
  display: block;
  font-weight: 650;
  font-size: 0.95rem;
  color: #292524;
  letter-spacing: -0.01em;
}
.cognitus-debate-room-panel__tagline {
  display: block;
  font-size: 0.78rem;
  color: #78716c;
  margin-top: 0.2rem;
  line-height: 1.45;
  font-weight: 400;
}
.cognitus-debate-room-panel__body {
  padding: 1rem 1.2rem 1.25rem;
}
.cognitus-debate-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cognitus-debate-card {
  background: #fff;
  border: 1px solid #e7e5e4;
  border-radius: var(--cog-radius);
  padding: 1rem 1.1rem;
  box-shadow: 0 1px 3px rgba(41, 37, 36, 0.05);
}
.cognitus-debate-card__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid #f5f5f4;
}
.cognitus-debate-card__title {
  font-size: 1rem;
  font-weight: 650;
  color: #292524;
  margin: 0;
  line-height: 1.35;
  flex: 1;
  min-width: 12rem;
}
.cognitus-debate-type-badge {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.22rem 0.5rem;
  border-radius: 0.35rem;
  background: #f5f5f4;
  color: #57534e;
  border: 1px solid #e7e5e4;
}

.cognitus-debate-positions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  margin-bottom: 0.85rem;
}
.cognitus-debate-position {
  padding: 0.65rem 0.75rem;
  border-radius: 0.5rem;
  background: #fafaf9;
  border: 1px solid #e7e5e4;
}
.cognitus-debate-position--a {
  border-left: 3px solid #57534e;
}
.cognitus-debate-position--b {
  border-left: 3px solid #a8a29e;
}
.cognitus-debate-position__label {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #78716c;
  margin-bottom: 0.25rem;
}
.cognitus-debate-position__claim {
  font-size: 0.8125rem;
  color: #44403c;
  line-height: 1.5;
  margin: 0;
}

.cognitus-debate-evidence {
  margin-bottom: 0.85rem;
  padding: 0.65rem 0.75rem;
  background: #fafaf9;
  border-radius: 0.5rem;
  border: 1px dashed #d6d3d1;
}
.cognitus-debate-evidence__title {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #78716c;
  margin-bottom: 0.35rem;
}
.cognitus-debate-evidence__list {
  font-size: 0.8125rem;
  color: #57534e;
  margin: 0;
  padding-left: 1.1rem;
  line-height: 1.5;
}

.cognitus-debate-form {
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid #f5f5f4;
}
.cognitus-debate-form__title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #57534e;
  margin-bottom: 0.65rem;
}
.cognitus-debate-form .form-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: #57534e;
}
.cognitus-debate-form textarea,
.cognitus-debate-form .form-select {
  font-size: 0.875rem;
  border-radius: 0.5rem;
  border-color: #d6d3d1;
}
.cognitus-debate-form textarea:focus,
.cognitus-debate-form .form-select:focus {
  border-color: #a8a29e;
  box-shadow: 0 0 0 3px rgba(168, 162, 158, 0.2);
}
.cognitus-debate-result {
  padding: 0.65rem 0.8rem;
  background: #f5f5f4;
  border-radius: 0.5rem;
  border: 1px solid #e7e5e4;
  margin-top: 0.65rem;
  font-size: 0.875rem;
}

/* --- Responsive --- */
@media (max-width: 991.98px) {
  .cognitus-progress-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .cognitus-debate-positions {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 575.98px) {
  .cognitus-workspace-header__body {
    padding: 1rem;
  }
  .cognitus-activity-panel__body {
    padding: 1rem;
  }
  .cognitus-progress-stats {
    grid-template-columns: 1fr 1fr;
  }
  .cognitus-activity-filters {
    flex-direction: column;
  }
  .cognitus-activity-panel .cognitus-filter-select {
    width: 100%;
    max-width: none;
  }
  .cognitus-recommendation-activity {
    font-size: 0.95rem;
  }
  .cognitus-activity-actions {
    flex-direction: column;
  }
  .cognitus-activity-actions .btn {
    width: 100%;
  }
  .cognitus-debate-room-panel__summary {
    padding: 0.85rem 1rem;
  }
}

/* ========== FOOTER INSTITUCIONAL PRO ========== */
.app-footer.cognitus-pro-footer {
  position: relative;
  padding: 0;
  color: rgba(248, 250, 252, 0.72);
  background: linear-gradient(165deg, #0a1628 0%, #0f2744 42%, #0c1f38 100%);
  border-top: 1px solid rgba(148, 163, 184, 0.12);
  overflow: hidden;
}

.app-footer.cognitus-pro-footer .float-end {
  display: none;
}

.cognitus-pro-footer__glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 120% at 15% 100%, rgba(56, 189, 248, 0.08), transparent 55%),
    radial-gradient(ellipse 50% 80% at 85% 0%, rgba(251, 191, 36, 0.06), transparent 50%);
  pointer-events: none;
}

.cognitus-pro-footer__inner {
  position: relative;
  z-index: 1;
  padding: 2rem clamp(1rem, 3vw, 2.5rem) 1.35rem;
}

.cognitus-pro-footer__top {
  display: grid;
  grid-template-columns: minmax(200px, 280px) 1fr;
  gap: 2rem 3rem;
  align-items: start;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.cognitus-pro-footer__eyebrow {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(148, 163, 184, 0.85);
  margin-bottom: 0.35rem;
}

.cognitus-pro-footer__platform-name {
  margin: 0 0 0.35rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.65rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: #f8fafc;
}

.cognitus-pro-footer__platform-tag {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.45;
  color: rgba(203, 213, 225, 0.75);
  max-width: 22rem;
}

.cognitus-pro-footer__alliances-title {
  margin: 0 0 1.1rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(148, 163, 184, 0.9);
}

.cognitus-pro-footer__logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 1.25rem 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.cognitus-pro-footer__logo-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
  text-align: center;
}

.cognitus-pro-footer__logo-item[aria-hidden="true"] {
  padding: 0 0.25rem;
}

.cognitus-pro-footer__divider {
  display: block;
  width: 1px;
  height: 3.5rem;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.cognitus-pro-footer__logo-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  transition: background 0.2s ease, transform 0.2s ease;
}

.cognitus-pro-footer__logo-link:hover {
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-2px);
}

.cognitus-pro-footer__logo-link--static {
  cursor: default;
}

.cognitus-pro-footer__logo-link--static:hover {
  transform: none;
  background: transparent;
}

.cognitus-pro-footer__logo {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  opacity: 0.92;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.25));
  transition: opacity 0.2s ease;
}

.cognitus-pro-footer__logo-link:hover .cognitus-pro-footer__logo {
  opacity: 1;
}

.cognitus-pro-footer__logo--ulm {
  max-height: 58px;
}

.cognitus-pro-footer__logo--mxaib {
  max-height: 42px;
}

.cognitus-pro-footer__logo--aegis {
  max-height: 52px;
}

.cognitus-pro-footer__logo-caption {
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(148, 163, 184, 0.65);
  max-width: 11rem;
  line-height: 1.35;
}

.cognitus-pro-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding-top: 1.15rem;
}

.cognitus-pro-footer__copy {
  margin: 0;
  font-size: 0.78rem;
  color: rgba(226, 232, 240, 0.7);
}

.cognitus-pro-footer__meta {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: rgba(148, 163, 184, 0.55);
}

@media (max-width: 991.98px) {
  .cognitus-pro-footer__top {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .cognitus-pro-footer__platform-tag {
    margin-left: auto;
    margin-right: auto;
  }

  .cognitus-pro-footer__logos {
    justify-content: center;
  }

  .cognitus-pro-footer__logo-item[aria-hidden="true"] {
    display: none;
  }

  .cognitus-pro-footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 575.98px) {
  .cognitus-pro-footer__logos {
    flex-direction: column;
    gap: 1.5rem;
  }
}

/* Mis cursos — listado alumno */
.mc-hero {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.25rem 2rem;
  margin-bottom: 1.75rem;
  padding: 1.5rem 1.65rem;
  border-radius: 20px;
  border: 1px solid #e2e8f0;
  background: linear-gradient(135deg, #0f2744 0%, #1a3d5c 48%, #f8fafc 100%);
  color: #fff;
  box-shadow: 0 12px 40px rgba(15, 39, 68, 0.12);
}

.mc-hero__copy {
  flex: 1 1 16rem;
  max-width: 42rem;
}

.mc-hero__eyebrow {
  margin: 0 0 0.45rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
}

.mc-hero__title {
  margin: 0 0 0.55rem;
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: #fff;
}

.mc-hero__lead {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.88);
}

.mc-hero__lead strong {
  font-weight: 600;
  color: #fff;
}

.mc-hero__stat {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 5.5rem;
  padding: 0.85rem 1.15rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(6px);
}

.mc-hero__stat-value {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: #fff;
}

.mc-hero__stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 0.2rem;
}

.mc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 576px) {
  .mc-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1200px) {
  .mc-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.mc-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  border-radius: 18px;
  border: 1px solid #e8edf2;
  background: #fff;
  overflow: hidden;
  box-shadow: 0 4px 18px rgba(15, 39, 68, 0.05);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.mc-card:hover {
  transform: translateY(-3px);
  border-color: #c5dce8;
  box-shadow: 0 14px 32px rgba(15, 39, 68, 0.1);
}

.mc-card__media-link {
  display: block;
  text-decoration: none;
}

.mc-card__media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(145deg, #0f2744, #2a5a7a);
}

.mc-card__media--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
}

.mc-card__media-icon {
  font-size: 2.5rem;
  color: rgba(255, 255, 255, 0.35);
  z-index: 1;
}

.mc-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.mc-card__media-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(15, 39, 68, 0.35) 100%);
  pointer-events: none;
}

.mc-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.15rem 1.2rem 1.25rem;
  gap: 0.5rem;
}

.mc-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.mc-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  border-radius: 999px;
  background: #e8f4f8;
  color: #0f4c5c;
}

.mc-chip--muted {
  background: #f1f3f5;
  color: #5c6b7a;
  text-transform: none;
  font-weight: 500;
  font-size: 0.72rem;
}

.mc-card__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.mc-card__title-link {
  color: #0f2744;
  text-decoration: none;
}

.mc-card__title-link:hover {
  color: #1a6b8a;
}

.mc-card__desc {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.55;
  color: #5c6b7a;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.mc-card__desc--empty {
  font-style: italic;
  -webkit-line-clamp: 2;
}

.mc-card__actions {
  margin-top: auto;
  padding-top: 0.65rem;
}

.mc-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.55rem 1rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #0f4c5c 0%, #1a7a96 100%);
  border: none;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(15, 76, 92, 0.25);
  transition: filter 0.15s ease, transform 0.12s ease;
}

.mc-btn-primary:hover {
  color: #fff;
  filter: brightness(1.06);
  transform: translateY(-1px);
}

.mc-empty {
  border: 1px dashed #d0dae3;
  border-radius: 20px;
  background: #fafbfc;
}

.mc-empty__icon {
  width: 3.5rem;
  height: 3.5rem;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #e8f4f8;
  color: #1a7a96;
  font-size: 1.35rem;
}


.mc-card__media-loading {
  display: none;
  position: absolute;
  bottom: 0.65rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.92);
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  background: rgba(15, 39, 68, 0.55);
}

.mc-card__media--generating .mc-card__media-icon {
  opacity: 0.35;
}

.mc-card__media--generating .mc-card__media-loading {
  display: block;
}

.mc-card__media--generating::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    110deg,
    transparent 30%,
    rgba(255, 255, 255, 0.12) 50%,
    transparent 70%
  );
  background-size: 200% 100%;
  animation: mcCoverShimmer 1.4s ease-in-out infinite;
  pointer-events: none;
}

@keyframes mcCoverShimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Temario del curso — vista alumno */
.syllabus-page {
  max-width: 920px;
  margin: 0 auto;
}

.syllabus-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-bottom: 2rem;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid #e2e8f0;
  background: #fff;
  box-shadow: 0 16px 48px rgba(15, 39, 68, 0.08);
}

@media (min-width: 768px) {
  .syllabus-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.35fr);
  }
}

.syllabus-hero__cover {
  position: relative;
  min-height: 200px;
  background: linear-gradient(145deg, #0f2744, #2a5a7a);
}

@media (min-width: 768px) {
  .syllabus-hero__cover {
    min-height: 100%;
    min-height: 280px;
  }
}

.syllabus-hero__img {
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
  display: block;
}

.syllabus-hero__cover-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.3);
}

.syllabus-hero__cover-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(15, 39, 68, 0.25) 100%);
  pointer-events: none;
}

.syllabus-hero__panel {
  padding: 1.35rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.syllabus-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: #1a7a96;
  text-decoration: none;
  margin-bottom: 0.25rem;
}

.syllabus-back:hover {
  color: #0f4c5c;
}

.syllabus-hero__eyebrow {
  margin: 0;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6c7a89;
}

.syllabus-hero__title {
  margin: 0;
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: #0f2744;
}

.syllabus-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.15rem;
}

.syllabus-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  border-radius: 999px;
  background: #e8f4f8;
  color: #0f4c5c;
}

.syllabus-chip--muted {
  background: #f1f3f5;
  color: #5c6b7a;
  text-transform: none;
  font-weight: 500;
  font-size: 0.72rem;
}

.syllabus-hero__desc {
  margin: 0.5rem 0 0;
  font-size: 0.88rem;
  line-height: 1.6;
  color: #5c6b7a;
  max-height: 9.5em;
  overflow-y: auto;
  padding-right: 0.25rem;
}

.syllabus-topics__head {
  margin-bottom: 1.15rem;
}

.syllabus-topics__title {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #0f2744;
}

.syllabus-topics__hint {
  margin: 0;
  font-size: 0.84rem;
  color: #6c7a89;
}

.syllabus-topic-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.syllabus-topic-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1rem;
  padding: 1rem 1.15rem;
  border-radius: 16px;
  border: 1px solid #e8edf2;
  background: #fff;
  box-shadow: 0 4px 14px rgba(15, 39, 68, 0.04);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.12s ease;
}

.syllabus-topic-card:hover {
  border-color: #c5dce8;
  box-shadow: 0 10px 28px rgba(15, 39, 68, 0.08);
  transform: translateY(-1px);
}

.syllabus-topic-card__index {
  flex: 0 0 2.25rem;
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: linear-gradient(135deg, #0f4c5c, #1a7a96);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
}

.syllabus-topic-card__body {
  flex: 1 1 12rem;
  min-width: 0;
}

.syllabus-topic-card__name {
  margin: 0 0 0.25rem;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.35;
  color: #0f2744;
}

.syllabus-topic-card__preview {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.5;
  color: #6c7a89;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.syllabus-topic-card__action {
  flex: 0 0 auto;
  margin-left: auto;
}

.syllabus-btn-study {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #0f4c5c 0%, #1a7a96 100%);
  border: none;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(15, 76, 92, 0.22);
  text-decoration: none;
  transition: filter 0.15s ease, transform 0.12s ease;
}

.syllabus-btn-study:hover {
  color: #fff;
  filter: brightness(1.06);
  transform: translateY(-1px);
}

.syllabus-empty {
  border: 1px dashed #d0dae3;
  border-radius: 20px;
  background: #fafbfc;
}

.syllabus-empty__icon {
  width: 3.25rem;
  height: 3.25rem;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #e8f4f8;
  color: #1a7a96;
  font-size: 1.25rem;
}

@media (max-width: 575.98px) {
  .syllabus-topic-card__action {
    width: 100%;
    margin-left: 0;
  }

  .syllabus-btn-study {
    width: 100%;
    justify-content: center;
  }
}