:root,
[data-theme="light"],
[data-theme="dark"] {
  --course-bg: #000;
  --course-surface: rgba(255,255,255,.035);
  --course-text: #fff;
  --course-muted: rgba(255,255,255,.64);
  --course-primary: #00ffff;
  --course-primary-strong: #65ffff;
  --course-accent: #00e5cc;
  --course-border: rgba(255,255,255,.12);
  --course-warning: #ffb347;
  --course-code: #07111f;
  --course-radius: 1rem;
  --course-shadow: 0 14px 40px rgba(0,0,0,.32);
}
html { color-scheme: dark; }
body.python-ai-course { background:#000; color:#fff; font-family:'Inter',sans-serif; }
.python-ai-course .course-navbar { background:rgba(0,0,0,.94); border-bottom:1px solid rgba(255,255,255,.1); backdrop-filter:blur(12px); }
.python-ai-course .course-navbar .navbar-brand,
.python-ai-course .course-navbar .nav-link { color:#fff; }
.python-ai-course .course-navbar .nav-link:hover { color:#0ff; }
.python-ai-brand-logo { width:34px; height:34px; margin-right:.55rem; }
.python-ai-course .hero { padding:8rem 0 4rem; background:linear-gradient(135deg,#000 0%,#0a1628 100%); border-bottom:1px solid rgba(255,255,255,.1); }
.python-ai-course .hero-badge,
.python-ai-course .tag { color:#0ff; background:rgba(0,255,255,.09); border:1px solid rgba(0,255,255,.2); }
.python-ai-course .course-card,
.python-ai-course .lesson-card,
.python-ai-course .focus-panel,
.python-ai-course .lesson-list-card,
.python-ai-course .stat-card { background:rgba(255,255,255,.035); border-color:rgba(255,255,255,.12); box-shadow:0 14px 40px rgba(0,0,0,.25); }
.python-ai-course .course-card:hover { border-color:rgba(0,255,255,.45); transform:translateY(-3px); }
.python-ai-course .text-muted-custom,
.python-ai-course .level-card-status { color:rgba(255,255,255,.64); }
.python-ai-course a { color:#0ff; }
.python-ai-course .btn-primary { background:#0ff; color:#001014; border-color:#0ff; font-weight:700; }
.python-ai-course .btn-primary:hover { background:#65ffff; border-color:#65ffff; color:#001014; }
.python-ai-course .btn-outline-primary { color:#0ff; border-color:#0ff; }
.python-ai-course .btn-outline-primary:hover { background:#0ff; color:#001014; }
.python-ai-course .progress { background:rgba(255,255,255,.1); }
.python-ai-course .progress-bar { background:#00e5cc; }
.python-ai-course .output-panel,
.python-ai-course .code-editor,
.python-ai-course .code-block { background:#07111f; border:1px solid rgba(255,255,255,.12); color:#eaf7ff; }
.python-ai-course .lesson-card code:not(pre code) { color:#65ffff; background:rgba(0,255,255,.08); }
.python-ai-course .filters-toolbar input,
.python-ai-course .filters-toolbar select { background:#09111d; color:#fff; border-color:rgba(255,255,255,.16); }
.python-ai-course .alert-success { color:#c7fff1; background:#0d322a; border-color:#176957; }
.python-ai-course .alert-warning { color:#ffe9c8; background:#3b290f; border-color:#7b541d; }
.python-ai-course .alert-primary { color:#dffcff; background:#083039; border-color:#116c77; }
.python-ai-course .level-number { background:rgba(0,255,255,.1); color:#0ff; }
.python-ai-course footer { border-top:1px solid rgba(255,255,255,.1); }
.python-ai-course .python-ai-platform-tabs { display:flex; flex-wrap:wrap; gap:.65rem; margin:1rem 0; }
.python-ai-course .python-ai-platform-panel { border:1px solid rgba(255,255,255,.12); border-radius:.85rem; padding:1rem; background:rgba(255,255,255,.025); }
.python-ai-course .python-ai-diagram { white-space:pre; overflow:auto; padding:1rem; border-radius:.8rem; background:#07111f; color:#dffcff; }
.python-ai-course .python-ai-next-action { border-left:4px solid #0ff; background:rgba(0,255,255,.06); padding:1rem; border-radius:0 .8rem .8rem 0; }

@media (prefers-reduced-motion: reduce){.python-ai-course *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

/* v2.2 — explicación ilustrada antes de ingeniería inversa */
.concept-illustration {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}
.concept-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .75rem;
  align-items: stretch;
}
.concept-flow__step {
  position: relative;
  min-height: 150px;
  padding: 1rem;
  border: 1px solid var(--color-border, rgba(255,255,255,.1));
  border-radius: 1rem;
  background: rgba(255,255,255,.035);
}
.concept-flow__step:not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: -.72rem;
  z-index: 2;
  transform: translateY(-50%);
  color: var(--color-cyan, #0ff);
  font-size: 1.4rem;
  font-weight: 700;
}
.concept-flow__icon {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  margin-bottom: .75rem;
  border-radius: 50%;
  background: rgba(0,255,255,.1);
  color: var(--color-cyan, #0ff);
  font-size: 1.25rem;
}
.concept-flow__step h3 {
  font-size: 1rem;
  margin-bottom: .4rem;
}
.concept-flow__step p {
  margin: 0;
  color: var(--color-text-muted, rgba(255,255,255,.68));
  font-size: .925rem;
}
.example-walkthrough {
  margin-top: 1rem;
  padding: 1.25rem;
  border-left: 4px solid var(--color-cyan, #0ff);
  border-radius: .75rem;
  background: rgba(0,255,255,.055);
}
.example-walkthrough__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.example-screen {
  padding: 1rem;
  border: 1px solid var(--color-border, rgba(255,255,255,.1));
  border-radius: .75rem;
  background: #07111f;
}
.example-screen__label {
  display: block;
  margin-bottom: .5rem;
  color: var(--color-cyan, #0ff);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.reverse-engineering-bridge {
  margin-top: 1rem;
  padding: 1rem;
  border: 1px dashed rgba(0,255,255,.4);
  border-radius: .75rem;
}
.reverse-map {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: .65rem;
  margin: 1rem 0;
}
.reverse-map__item {
  padding: .8rem;
  border-radius: .75rem;
  background: rgba(255,255,255,.04);
  text-align: center;
}
.reverse-map__item strong {
  display: block;
  color: var(--color-cyan, #0ff);
  margin-bottom: .25rem;
}
@media (max-width: 991.98px) {
  .concept-flow { grid-template-columns: 1fr 1fr; }
  .concept-flow__step:nth-child(2)::after { display: none; }
  .reverse-map { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 575.98px) {
  .concept-flow,
  .example-walkthrough__grid,
  .reverse-map { grid-template-columns: 1fr; }
  .concept-flow__step::after { display: none !important; }
}

/* v2.3 — arquitectura de información, vocabulario y procesos */
.course-breadcrumb { margin: 0 0 1.25rem; }
.course-breadcrumb .breadcrumb { margin: 0; flex-wrap: wrap; gap: .15rem; }
.course-breadcrumb .breadcrumb-item, .course-breadcrumb .breadcrumb-item a { color: var(--color-text-muted, rgba(255,255,255,.68)); font-size: .875rem; }
.course-breadcrumb .breadcrumb-item.active { color: var(--color-text, #fff); }
.course-breadcrumb .breadcrumb-item + .breadcrumb-item::before { color: var(--color-cyan, #0ff); content: "›"; }
.term-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; margin-top: 1rem; }
.term-card { padding: 1rem; border: 1px solid var(--color-border,rgba(255,255,255,.1)); border-radius: .85rem; background: rgba(255,255,255,.035); }
.term-card dt { color: var(--color-cyan,#0ff); font-weight: 700; margin-bottom: .35rem; }
.term-card dd { margin: 0; color: var(--color-text-muted,rgba(255,255,255,.68)); }
.process-map-detailed { counter-reset: process; display: grid; gap: .75rem; margin-top: 1rem; }
.process-map-detailed__step { counter-increment: process; display: grid; grid-template-columns: 2.75rem 1fr; gap: .8rem; align-items: start; padding: .9rem; border-left: 3px solid var(--color-cyan,#0ff); background: rgba(0,255,255,.045); border-radius: 0 .75rem .75rem 0; }
.process-map-detailed__step::before { content: counter(process); display:grid; place-items:center; width:2.25rem; height:2.25rem; border-radius:50%; background:rgba(0,255,255,.12); color:var(--color-cyan,#0ff); font-weight:700; }
.process-map-detailed__step strong { display:block; margin-bottom:.2rem; }
.ia-pathway { padding: 1rem 1.15rem; border: 1px solid var(--color-border,rgba(255,255,255,.1)); border-radius: .85rem; background:rgba(255,255,255,.025); }
.ia-stage-label { display:inline-flex; align-items:center; min-height:2rem; padding:.35rem .7rem; border-radius:999px; color:var(--color-cyan,#0ff); background:rgba(0,255,255,.09); font-size:.78rem; font-weight:700; }
@media (max-width: 767.98px) { .term-grid { grid-template-columns:1fr; } }

/* v2.6 — mini ejercicios interactivos de ingeniería inversa */
.reverse-practice {
  border-color: rgba(0, 255, 255, .28);
}
.reverse-practice__intro,
.reverse-practice__summary,
.reverse-practice__ready {
  padding: 1rem 1.25rem;
  border-radius: .85rem;
  background: rgba(0, 255, 255, .055);
  border: 1px solid rgba(0, 255, 255, .18);
}
.mini-exercise {
  margin-top: 1.25rem;
  padding: 1.25rem;
  border: 1px solid var(--color-border, rgba(255,255,255,.1));
  border-radius: 1rem;
  background: rgba(255,255,255,.025);
}
.mini-exercise.is-correct {
  border-color: rgba(0, 229, 204, .65);
  background: rgba(0, 229, 204, .055);
}
.mini-exercise.is-incorrect {
  border-color: rgba(255, 173, 51, .65);
  background: rgba(255, 173, 51, .05);
}
.mini-exercise__header {
  display: flex;
  gap: .8rem;
  align-items: baseline;
  flex-wrap: wrap;
}
.mini-exercise__number {
  color: var(--color-cyan, #0ff);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.mini-exercise__header h3 {
  margin: 0;
  font-size: 1.15rem;
}
.mini-exercise__options {
  display: grid;
  gap: .65rem;
  margin: 1rem 0;
}
.mini-exercise__options label {
  display: flex;
  gap: .7rem;
  align-items: flex-start;
  padding: .85rem 1rem;
  border: 1px solid var(--color-border, rgba(255,255,255,.1));
  border-radius: .75rem;
  cursor: pointer;
  transition: border-color .2s ease, background .2s ease;
}
.mini-exercise__options label:hover,
.mini-exercise__options label:focus-within {
  border-color: rgba(0,255,255,.4);
  background: rgba(0,255,255,.04);
}
.mini-exercise__options input {
  margin-top: .25rem;
  accent-color: var(--color-cyan, #0ff);
}
.mini-exercise__actions {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
}
.mini-exercise__hint {
  margin-top: 1rem;
  padding: .85rem 1rem;
  border-left: 3px solid var(--color-cyan, #0ff);
  background: rgba(0,255,255,.04);
}
.mini-exercise__feedback {
  margin-top: 1rem;
}
.feedback-success,
.feedback-error,
.feedback-neutral {
  padding: 1rem;
  border-radius: .75rem;
}
.feedback-success {
  background: rgba(0,229,204,.08);
  border: 1px solid rgba(0,229,204,.35);
}
.feedback-error {
  background: rgba(255,173,51,.08);
  border: 1px solid rgba(255,173,51,.35);
}
.feedback-neutral {
  background: rgba(255,255,255,.04);
  border: 1px solid var(--color-border, rgba(255,255,255,.1));
}
.reverse-practice__summary {
  margin-top: 1.25rem;
}
.reverse-practice__ready {
  margin-top: 1rem;
  border-color: rgba(0,229,204,.4);
  background: rgba(0,229,204,.075);
}

/* v2.7 — conceptos explicados y mini proyectos para principiantes */
.concept-definition-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1rem; margin-top:1.25rem; }
.concept-definition-card { padding:1.25rem; border:1px solid var(--color-border,rgba(255,255,255,.1)); border-radius:1rem; background:rgba(255,255,255,.025); }
.concept-definition-card h3 { color:var(--color-cyan,#0ff); margin-bottom:.85rem; }
.concept-definition-card p { color:var(--color-text-muted,rgba(255,255,255,.72)); }
.concept-definition-card strong { color:var(--color-text,#fff); }
.guided-mini-project { border:2px solid rgba(0,255,255,.22); }
.mini-task-checklist { display:grid; gap:.6rem; margin:1rem 0; padding:1rem; border-radius:.75rem; background:rgba(255,255,255,.035); }
.mini-task-checklist label { display:flex; gap:.65rem; align-items:flex-start; }
@media (max-width:767.98px){ .concept-definition-grid{grid-template-columns:1fr;} }

/* v2.8 — UX story de empleabilidad y aprovechamiento del curso */
.career-story-section {
  border-top: 1px solid var(--color-border, rgba(255,255,255,.1));
  border-bottom: 1px solid var(--color-border, rgba(255,255,255,.1));
  background:
    radial-gradient(circle at 90% 8%, rgba(0,255,255,.08), transparent 30rem),
    linear-gradient(180deg, rgba(10,22,40,.45), rgba(0,0,0,0));
}
.career-story-question,
.career-story-insight {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.15rem;
  border: 1px solid rgba(0,255,255,.2);
  border-radius: 1rem;
  background: rgba(0,255,255,.045);
}
.career-story-question .material-symbols-rounded,
.career-story-insight .material-symbols-rounded {
  color: var(--color-cyan, #0ff);
  font-size: 2rem;
}
.career-signal-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 1rem;
}
.career-signal-card {
  min-height: 215px;
  padding: 1.35rem;
  border: 1px solid var(--color-border, rgba(255,255,255,.1));
  border-radius: 1rem;
  background: rgba(255,255,255,.028);
}
.career-signal-card--contrast {
  border-color: rgba(255,173,51,.35);
  background: rgba(255,173,51,.045);
}
.career-signal-card__value {
  display: block;
  margin-bottom: .65rem;
  color: var(--color-cyan, #0ff);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1;
}
.career-signal-card--contrast .career-signal-card__value {
  color: #ffad33;
}
.career-signal-card h3 {
  font-size: 1rem;
}
.career-signal-card p {
  margin: 0;
  color: var(--color-text-muted, rgba(255,255,255,.65));
  font-size: .92rem;
}
.career-accordion-card {
  overflow: hidden;
}
.career-accordion .accordion-item {
  border-color: var(--color-border, rgba(255,255,255,.1));
  background: transparent;
  color: inherit;
}
.career-accordion .accordion-button {
  background: rgba(255,255,255,.025);
  color: #fff;
  font-weight: 700;
}
.career-accordion .accordion-button:not(.collapsed) {
  background: rgba(0,255,255,.07);
  color: var(--color-cyan, #0ff);
  box-shadow: none;
}
.career-accordion .accordion-button:focus {
  border-color: var(--color-cyan, #0ff);
  box-shadow: 0 0 0 .2rem rgba(0,255,255,.16);
}
.career-accordion .accordion-button::after {
  filter: invert(1);
}
.career-table {
  --bs-table-bg: transparent;
  --bs-table-color: #fff;
  --bs-table-border-color: rgba(255,255,255,.1);
  margin-bottom: 1rem;
}
.career-table th {
  color: var(--color-cyan, #0ff);
  font-size: .78rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.career-table td {
  min-width: 180px;
  color: rgba(255,255,255,.76);
}
.career-table td:first-child {
  color: #fff;
  font-weight: 700;
}
.career-accordion-note {
  padding: .9rem 1rem;
  border-left: 3px solid var(--color-cyan, #0ff);
  background: rgba(0,255,255,.04);
  color: var(--color-text-muted, rgba(255,255,255,.68));
}
.career-role-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .85rem;
}
.career-role-list article {
  padding: 1rem;
  border: 1px solid var(--color-border, rgba(255,255,255,.1));
  border-radius: .8rem;
  background: rgba(255,255,255,.025);
}
.career-role-list h5 {
  font-size: 1rem;
}
.career-role-list p {
  margin: 0;
  color: var(--color-text-muted, rgba(255,255,255,.68));
  font-size: .9rem;
}
.career-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin-bottom: 1rem;
}
.career-chip-list span {
  padding: .65rem .85rem;
  border: 1px solid rgba(0,255,255,.25);
  border-radius: 999px;
  background: rgba(0,255,255,.04);
}
.career-relevance-card {
  background:
    linear-gradient(160deg, rgba(0,255,255,.055), transparent 55%),
    rgba(255,255,255,.025);
}
.career-relevance-list {
  display: grid;
  gap: .75rem;
  margin-top: 1.25rem;
}
.career-relevance-list div {
  display: flex;
  gap: .75rem;
  align-items: center;
  padding: .85rem;
  border: 1px solid var(--color-border, rgba(255,255,255,.1));
  border-radius: .75rem;
}
.career-relevance-list .material-symbols-rounded {
  color: var(--color-cyan, #0ff);
}
.costa-rica-career-card {
  overflow: hidden;
}
.costa-rica-advantage-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .85rem;
}
.costa-rica-advantage-grid article {
  padding: 1rem;
  border: 1px solid var(--color-border, rgba(255,255,255,.1));
  border-radius: .85rem;
  background: rgba(255,255,255,.025);
}
.costa-rica-advantage-grid .material-symbols-rounded {
  color: var(--color-cyan, #0ff);
}
.costa-rica-advantage-grid h4 {
  margin-top: .55rem;
  font-size: 1rem;
}
.costa-rica-advantage-grid p {
  margin: 0;
  color: var(--color-text-muted, rgba(255,255,255,.68));
  font-size: .9rem;
}
.course-promise {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid rgba(0,255,255,.25);
  border-radius: 1.25rem;
  background:
    linear-gradient(135deg, rgba(0,255,255,.075), rgba(10,22,40,.4));
}
.course-promise__statement {
  max-width: 1000px;
}
.course-outcome-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: .8rem;
}
.course-outcome-grid article {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .8rem;
  align-items: start;
  padding: 1rem;
  border: 1px solid var(--color-border, rgba(255,255,255,.1));
  border-radius: .85rem;
  background: rgba(0,0,0,.22);
}
.course-outcome-grid article span {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: rgba(0,255,255,.1);
  color: var(--color-cyan, #0ff);
  font-size: .78rem;
  font-weight: 800;
}
.course-outcome-grid article p {
  margin: .25rem 0 0;
}
.career-story-cta {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255,255,255,.1);
}
.career-sources {
  border: 1px solid var(--color-border, rgba(255,255,255,.1));
  border-radius: .9rem;
  background: rgba(255,255,255,.02);
}
.career-sources summary {
  padding: 1rem 1.2rem;
  cursor: pointer;
  font-weight: 700;
}
.career-sources__content {
  padding: 0 1.2rem 1.2rem;
  color: var(--color-text-muted, rgba(255,255,255,.68));
}
.career-sources__content a {
  color: var(--color-cyan, #0ff);
}
@media (max-width: 991.98px) {
  .career-signal-grid { grid-template-columns: 1fr 1fr; }
  .career-story-cta { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 767.98px) {
  .career-role-list,
  .costa-rica-advantage-grid,
  .course-outcome-grid { grid-template-columns: 1fr; }
}
@media (max-width: 575.98px) {
  .career-signal-grid { grid-template-columns: 1fr; }
  .career-signal-card { min-height: auto; }
}
/* v2.9 — evaluación online */
.comprehension-assessment{border-color:rgba(0,255,255,.28)}.assessment-question{margin-top:1.25rem;padding:1.25rem;border:1px solid var(--color-border,rgba(255,255,255,.1));border-radius:1rem;background:rgba(255,255,255,.025)}.assessment-question.is-correct{border-color:rgba(0,229,204,.65);background:rgba(0,229,204,.055)}.assessment-question.is-incorrect{border-color:rgba(255,173,51,.65);background:rgba(255,173,51,.05)}.assessment-question__number{color:var(--color-cyan,#0ff);font-size:.78rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}.assessment-question h3{font-size:1.15rem}.assessment-options{display:grid;gap:.65rem;margin:1rem 0}.assessment-options label{display:flex;gap:.7rem;padding:.85rem 1rem;border:1px solid var(--color-border,rgba(255,255,255,.1));border-radius:.75rem;cursor:pointer}.assessment-options label:hover,.assessment-options label:focus-within{border-color:rgba(0,255,255,.42);background:rgba(0,255,255,.04)}.assessment-question textarea{width:100%;margin:.85rem 0;padding:.9rem 1rem;border:1px solid var(--color-border,rgba(255,255,255,.14));border-radius:.75rem;background:#07111f;color:#fff}.assessment-question textarea:focus{border-color:var(--color-cyan,#0ff);outline:3px solid rgba(0,255,255,.15)}.assessment-question button{margin-right:.5rem;margin-bottom:.5rem}.assessment-hint,.assessment-explanation{margin-top:1rem;padding:.9rem 1rem;border-left:3px solid var(--color-cyan,#0ff);background:rgba(0,255,255,.045)}.assessment-explanation{border-left-color:rgba(255,255,255,.35);background:rgba(255,255,255,.035)}.assessment-summary{margin-top:1.25rem;padding:1.2rem;border:1px solid rgba(0,255,255,.22);border-radius:1rem;background:rgba(0,255,255,.045)}.assessment-feedback-success,.assessment-feedback-error,.assessment-feedback-neutral{margin-top:1rem;padding:1rem;border-radius:.75rem}.assessment-feedback-success{border:1px solid rgba(0,229,204,.38);background:rgba(0,229,204,.075)}.assessment-feedback-error{border:1px solid rgba(255,173,51,.4);background:rgba(255,173,51,.075)}.assessment-feedback-neutral{border:1px solid var(--color-border,rgba(255,255,255,.1));background:rgba(255,255,255,.035)}.coding-checks__steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem;margin:1rem 0}.coding-checks__steps article,.future-learning-grid article{padding:1rem;border:1px solid var(--color-border,rgba(255,255,255,.1));border-radius:.8rem;background:rgba(255,255,255,.025)}.coding-checks__steps article{display:grid;gap:.35rem}.coding-checks__steps span,.future-learning-grid p{color:var(--color-text-muted,rgba(255,255,255,.7))}.coding-checks__reflection{margin-top:1rem;padding:1rem;border-radius:.8rem;background:rgba(255,255,255,.025)}.future-learning-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.85rem;margin-top:1rem}.future-learning-grid h3{font-size:1.05rem}@media(max-width:767.98px){.coding-checks__steps,.future-learning-grid{grid-template-columns:1fr}}

/* v2.10 — pistas accesibles y explicación del proyecto */
.assessment-hint-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-height: 48px;
  margin: 0 .5rem .5rem 0;
  padding: .72rem 1rem;
  border: 1px solid var(--color-cyan, #0ff);
  border-radius: .7rem;
  background: transparent;
  color: var(--color-cyan, #0ff);
  font: inherit;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.assessment-hint-button:hover {
  background: rgba(0,255,255,.1);
  color: #fff;
}
.assessment-hint-button:active {
  transform: translateY(1px);
}
.assessment-hint-button:focus-visible {
  outline: 3px solid rgba(0,255,255,.28);
  outline-offset: 3px;
}
.assessment-hint-button[aria-expanded="true"] {
  background: rgba(0,255,255,.12);
  color: #fff;
}
.assessment-hint-button .material-symbols-rounded {
  font-size: 1.2rem;
}
.assessment-hint[hidden] {
  display: none !important;
}
.assessment-hint:not([hidden]) {
  display: block;
}

.project-guide-panel {
  display: grid;
  gap: .8rem;
}
.project-guide-panel__title {
  margin-bottom: 0;
  overflow-wrap: anywhere;
}
.project-guide-panel__section {
  padding-top: .85rem;
  border-top: 1px solid var(--color-border, rgba(255,255,255,.1));
}
.project-guide-panel__section h3 {
  margin-bottom: .35rem;
  font-size: .92rem;
  font-weight: 800;
}
.project-guide-panel__section p {
  margin-bottom: .5rem;
  color: var(--color-text-muted, rgba(255,255,255,.72));
  font-size: .88rem;
  line-height: 1.5;
}
.project-readiness-badge {
  display: inline-block;
  margin-bottom: .55rem;
  padding: .35rem .55rem;
  border: 1px solid rgba(0,255,255,.28);
  border-radius: 999px;
  background: rgba(0,255,255,.06);
  color: var(--color-cyan, #0ff);
  font-size: .76rem;
  font-weight: 800;
}
.project-download-button {
  display: flex;
  gap: .45rem;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  white-space: normal;
  line-height: 1.25;
}
.project-download-button .material-symbols-rounded {
  font-size: 1.2rem;
}
.project-download-help {
  margin-top: .65rem;
  color: var(--color-text-muted, rgba(255,255,255,.65));
  font-size: .78rem;
  line-height: 1.45;
}
@media (max-width: 991.98px) {
  .project-guide-panel {
    margin-top: 1rem;
  }
}

/* v2.11 — switch persistente de modo enfoque */
.focus-switch {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  min-height: 44px;
  margin: 0;
  cursor: pointer;
  user-select: none;
}
.focus-switch__text {
  color: var(--course-text, #fff);
  font-size: .86rem;
  font-weight: 700;
  white-space: nowrap;
}
.focus-switch input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.focus-switch__track {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 3rem;
  height: 1.65rem;
  padding: .15rem;
  border: 1px solid rgba(0,255,255,.55);
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  transition: background .2s ease, border-color .2s ease;
}
.focus-switch__thumb {
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,.35);
  transform: translateX(0);
  transition: transform .2s ease, background .2s ease;
}
.focus-switch input:checked + .focus-switch__track {
  border-color: var(--color-cyan, #0ff);
  background: rgba(0,255,255,.22);
}
.focus-switch input:checked + .focus-switch__track .focus-switch__thumb {
  transform: translateX(1.32rem);
  background: var(--color-cyan, #0ff);
}
.focus-switch input:focus-visible + .focus-switch__track {
  outline: 3px solid rgba(0,255,255,.28);
  outline-offset: 3px;
}
.focus-switch:hover .focus-switch__track {
  border-color: var(--color-cyan, #0ff);
}
.focus-mode .focus-switch {
  display: inline-flex !important;
}
.focus-mode .course-navbar {
  display: block !important;
}
.focus-mode .course-navbar .container {
  justify-content: space-between;
}
@media (max-width: 575.98px) {
  .focus-switch__text {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }
}

/* v2.13 — lecciones divididas para principiantes */
.lesson-phase-divider {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  margin: 2.5rem 0 1rem;
  padding: 1rem 1.15rem;
  border-left: 4px solid var(--color-cyan, #0ff);
  border-radius: .8rem;
  background: linear-gradient(90deg, rgba(0,255,255,.075), transparent);
}
.lesson-phase-divider__number {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: .3rem .6rem;
  border: 1px solid rgba(0,255,255,.35);
  border-radius: 999px;
  color: var(--color-cyan, #0ff);
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.lesson-phase-divider h2 {
  margin: 0 0 .25rem;
  font-size: clamp(1.25rem, 3vw, 1.7rem);
}
.lesson-phase-divider p {
  margin: 0;
  color: var(--color-text-muted, rgba(255,255,255,.7));
}

.lesson-orientation__steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: .75rem;
  margin: 1rem 0;
}
.lesson-orientation__steps article {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .75rem;
  padding: .9rem;
  border: 1px solid var(--color-border, rgba(255,255,255,.1));
  border-radius: .8rem;
  background: rgba(255,255,255,.025);
}
.lesson-orientation__steps article > span,
.lesson-progress-guide__step > span {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: rgba(0,255,255,.1);
  color: var(--color-cyan, #0ff);
  font-weight: 800;
}
.lesson-orientation__steps p {
  margin: .2rem 0 0;
  color: var(--color-text-muted, rgba(255,255,255,.68));
  font-size: .88rem;
}

.beginner-tiny-example {
  border-color: rgba(0,255,255,.25);
}
.beginner-tiny-example__questions {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: .8rem;
  background: rgba(255,255,255,.025);
}
.beginner-tiny-example__questions ol {
  margin-bottom: 0;
}

.lesson-progress-guide {
  display: grid;
  gap: .7rem;
}
.lesson-progress-guide__step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .65rem;
  align-items: start;
  padding: .65rem 0;
  border-bottom: 1px solid var(--color-border, rgba(255,255,255,.1));
}
.lesson-progress-guide__step:last-child {
  border-bottom: 0;
}
.lesson-progress-guide__step strong,
.lesson-progress-guide__step small {
  display: block;
}
.lesson-progress-guide__step small {
  margin-top: .15rem;
  color: var(--color-text-muted, rgba(255,255,255,.65));
  line-height: 1.35;
}
.lesson-progress-help {
  margin: .55rem 0 0;
  color: var(--color-text-muted, rgba(255,255,255,.62));
  font-size: .76rem;
  line-height: 1.4;
}

@media (max-width: 575.98px) {
  .lesson-phase-divider {
    grid-template-columns: 1fr;
  }
  .lesson-orientation__steps {
    grid-template-columns: 1fr;
  }
}

/* v2.14 — guía de ejecución para principiantes */
.beginner-run-guide__intro,.beginner-run-guide__before,.run-path-choice{margin-top:1rem;padding:1rem 1.15rem;border:1px solid var(--color-border,rgba(255,255,255,.1));border-radius:.9rem;background:rgba(255,255,255,.025)}
.beginner-numbered-list{display:grid;gap:.7rem;margin-bottom:0}.beginner-numbered-list li{padding-left:.25rem}
.beginner-term-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.85rem;margin:1rem 0}
.beginner-term-grid article,.run-troubleshooting-grid article,.advanced-terms-guide__content article{padding:1rem;border:1px solid var(--color-border,rgba(255,255,255,.1));border-radius:.85rem;background:rgba(255,255,255,.025)}
.beginner-term-grid h3,.run-troubleshooting-grid h3,.advanced-terms-guide h3{font-size:1rem}.learn-reference{margin-bottom:0;color:var(--color-text-muted,rgba(255,255,255,.7));font-size:.88rem}
.beginner-command-sequence{padding:1.15rem}.command-step-list{display:grid;gap:1rem;margin:1rem 0 0;padding-left:1.4rem}.command-step-list>li{padding-left:.4rem}.command-step-list p{color:var(--color-text-muted,rgba(255,255,255,.72))}.command-result{padding:.75rem .9rem;border-left:3px solid var(--color-cyan,#0ff);background:rgba(0,255,255,.04)}
.run-troubleshooting-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.85rem;margin-top:1rem}.run-troubleshooting-grid p{margin:0;color:var(--color-text-muted,rgba(255,255,255,.72))}
.advanced-terms-guide{margin-top:1rem;border:1px solid rgba(0,255,255,.22);border-radius:.9rem;background:rgba(0,255,255,.025)}.advanced-terms-guide summary{padding:1rem 1.15rem;cursor:pointer;font-weight:800}.advanced-terms-guide__content{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.85rem;padding:0 1.15rem 1.15rem}.advanced-terms-guide a,.learn-reference a{color:var(--color-cyan,#0ff)}
@media(max-width:767.98px){.beginner-term-grid,.run-troubleshooting-grid,.advanced-terms-guide__content{grid-template-columns:1fr}}

/* v2.15 — navegación con mayor separación y presentación neuroinclusiva */
.python-ai-course .course-navbar .container {
  column-gap: 1.25rem;
}
.python-ai-course .course-nav-actions {
  gap: .35rem;
  margin-left: auto;
}
.python-ai-course .course-nav-actions .nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: .65rem .8rem;
  border-radius: .55rem;
  white-space: nowrap;
}
.python-ai-course .course-nav-actions .nav-link:hover,
.python-ai-course .course-nav-actions .nav-link:focus-visible {
  background: rgba(0,255,255,.08);
}
.python-ai-course .course-nav-actions .focus-switch {
  margin-left: .5rem;
  padding-left: .9rem;
  border-left: 1px solid rgba(255,255,255,.16);
}
.python-ai-course .course-navbar .navbar-brand {
  flex-shrink: 1;
  min-width: 0;
}

.neuroinclusive-intro {
  padding: 1.5rem 0 0;
  background:
    radial-gradient(circle at 8% 0%, rgba(0,255,255,.08), transparent 25rem),
    #000;
}
.neuroinclusive-card {
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid rgba(0,255,255,.28);
  border-radius: 1.2rem;
  background:
    linear-gradient(135deg, rgba(0,255,255,.07), rgba(10,22,40,.45));
  box-shadow: var(--course-shadow);
}
.neuroinclusive-card__heading {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
}
.neuroinclusive-card__icon {
  display: grid;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  border: 1px solid rgba(0,255,255,.3);
  border-radius: 1rem;
  background: rgba(0,255,255,.09);
  color: var(--color-cyan, #0ff);
}
.neuroinclusive-card__icon .material-symbols-rounded {
  font-size: 2rem;
}
.neuroinclusive-benefits {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: .8rem;
  margin-top: 1.35rem;
}
.neuroinclusive-benefits article {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .7rem;
  padding: 1rem;
  border: 1px solid var(--course-border);
  border-radius: .85rem;
  background: rgba(0,0,0,.28);
}
.neuroinclusive-benefits .material-symbols-rounded {
  color: var(--color-cyan, #0ff);
}
.neuroinclusive-benefits h2 {
  margin: 0 0 .25rem;
  font-size: .95rem;
}
.neuroinclusive-benefits p {
  margin: 0;
  color: var(--course-muted);
  font-size: .84rem;
  line-height: 1.45;
}
.neuroinclusive-note {
  display: flex;
  gap: .75rem;
  align-items: flex-start;
  margin-top: 1rem;
  padding: .9rem 1rem;
  border-left: 3px solid var(--color-cyan, #0ff);
  border-radius: .65rem;
  background: rgba(0,255,255,.045);
  color: var(--course-muted);
}
.neuroinclusive-note .material-symbols-rounded {
  color: var(--color-cyan, #0ff);
}

@media (max-width: 991.98px) {
  .python-ai-course .course-navbar .container {
    column-gap: .75rem;
  }
  .python-ai-course .course-nav-actions {
    gap: .15rem;
  }
  .python-ai-course .course-nav-actions .nav-link {
    padding-inline: .55rem;
  }
  .python-ai-course .course-nav-actions .focus-switch {
    margin-left: .25rem;
    padding-left: .55rem;
  }
  .neuroinclusive-benefits {
    grid-template-columns: repeat(2, minmax(0,1fr));
  }
}

@media (max-width: 575.98px) {
  .python-ai-course .course-navbar .container {
    flex-wrap: nowrap;
  }
  .python-ai-course .course-navbar .navbar-brand {
    font-size: .88rem;
  }
  .python-ai-brand-logo {
    width: 28px;
    height: 28px;
  }
  .python-ai-course .course-nav-actions .focus-switch {
    border-left: 0;
    padding-left: 0;
    margin-left: .2rem;
  }
  .neuroinclusive-card__heading {
    grid-template-columns: 1fr;
  }
  .neuroinclusive-benefits {
    grid-template-columns: 1fr;
  }
}

/* v2.17 — sidebar con scroll independiente y proyecto primero */
@media (min-width: 992px) {
  .python-ai-course .lesson-sidebar {
    position: sticky;
    top: 6.25rem;
    align-self: start;
    max-height: calc(100vh - 7.5rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-gutter: stable;
    padding-right: .45rem;
  }

  .python-ai-course .lesson-sidebar::-webkit-scrollbar {
    width: .55rem;
  }

  .python-ai-course .lesson-sidebar::-webkit-scrollbar-track {
    background: rgba(255,255,255,.035);
    border-radius: 999px;
  }

  .python-ai-course .lesson-sidebar::-webkit-scrollbar-thumb {
    background: rgba(0,255,255,.28);
    border-radius: 999px;
  }

  .python-ai-course .lesson-sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(0,255,255,.45);
  }
}

.python-ai-course .project-progress-divider {
  margin: 1.25rem 0;
}

.python-ai-course .project-guide-panel {
  min-width: 0;
}

@media (max-width: 991.98px) {
  .python-ai-course .lesson-sidebar {
    position: static;
    max-height: none;
    overflow: visible;
    padding-right: 0;
  }
}

/* v2.20 — propósito de la lección explicado para principiantes */
.lesson-purpose-card { border-color: rgba(0,255,255,.28); }
.lesson-purpose-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:.85rem; margin-top:1rem; }
.lesson-purpose-grid article { padding:1rem; border:1px solid var(--color-border,rgba(255,255,255,.1)); border-radius:.85rem; background:rgba(255,255,255,.025); }
.lesson-purpose-grid .material-symbols-rounded { color:var(--color-cyan,#0ff); }
.lesson-purpose-grid h3 { margin:.55rem 0 .3rem; font-size:1rem; }
.lesson-purpose-grid p { margin:0; color:var(--color-text-muted,rgba(255,255,255,.7)); line-height:1.55; }
.lesson-first-step { display:grid; grid-template-columns:auto 1fr; gap:.8rem; margin-top:1rem; padding:1rem; border-left:4px solid var(--color-cyan,#0ff); border-radius:.75rem; background:rgba(0,255,255,.055); }
.lesson-first-step .material-symbols-rounded { color:var(--color-cyan,#0ff); font-size:1.6rem; }
.lesson-first-step h3 { margin:0 0 .3rem; font-size:1rem; }
.lesson-first-step p { margin:0; }
@media(max-width:767.98px){.lesson-purpose-grid{grid-template-columns:1fr;}}

/* v2.21 — checklist inmediatamente antes de mejoras futuras */
.checklist-before-future {
  margin-top: 2rem;
  margin-bottom: 1rem;
  border-color: rgba(0,255,255,.28);
}

/* v2.22 — reparación visual del catálogo de proyectos */
.projects-catalog-page .course-navbar .container {
  min-height: 72px;
}
.projects-catalog-page .course-nav-actions {
  gap: .35rem;
}
.projects-catalog-page .course-nav-actions .nav-link {
  min-height: 44px;
  padding: .65rem .8rem;
}

.projects-catalog-page .projects-catalog-hero {
  min-height: 0;
  padding: clamp(3.5rem, 7vw, 5.5rem) 0 clamp(2.75rem, 5vw, 4rem);
  background:
    radial-gradient(circle at 82% 18%, rgba(0,255,255,.08), transparent 26rem),
    linear-gradient(135deg, #000 0%, #07111f 100%);
}
.projects-catalog-hero__content {
  max-width: 820px;
}
.projects-catalog-hero h1 {
  max-width: 760px;
  margin: 1rem 0 .8rem;
  font-size: clamp(2.4rem, 5vw, 4.6rem);
  font-weight: 750;
  line-height: 1.04;
  letter-spacing: -.04em;
}
.projects-catalog-hero .lead {
  max-width: 720px;
  margin-bottom: 1.35rem;
}
.projects-catalog-hero__guide {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
}
.projects-catalog-hero__guide span {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  min-height: 38px;
  padding: .5rem .75rem;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  background: rgba(255,255,255,.035);
  color: rgba(255,255,255,.78);
  font-size: .88rem;
}
.projects-catalog-hero__guide strong {
  color: var(--color-cyan, #0ff);
}

.projects-catalog-main {
  padding-top: 2rem;
  padding-bottom: 4rem;
}
.projects-filter-panel {
  position: relative;
  z-index: 2;
  margin-bottom: 1.75rem;
  padding: 1.15rem;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 1rem;
  background: rgba(255,255,255,.035);
  box-shadow: 0 14px 40px rgba(0,0,0,.22);
}
.projects-filter-panel__heading {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1rem;
}
.projects-visible-count {
  flex-shrink: 0;
  white-space: nowrap;
}
.projects-catalog-page .filters-toolbar {
  display: grid;
  grid-template-columns: minmax(240px, 1.25fr) minmax(220px, .8fr);
  gap: .85rem;
  align-items: end;
}
.projects-filter-field {
  display: grid;
  gap: .4rem;
  min-width: 0;
}
.projects-filter-field > span {
  color: rgba(255,255,255,.72);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.projects-catalog-page .filters-toolbar input,
.projects-catalog-page .filters-toolbar select {
  width: 100%;
  min-height: 48px;
  padding: .75rem .9rem;
  font-size: 1rem;
}
.projects-catalog-page .filters-toolbar input:focus,
.projects-catalog-page .filters-toolbar select:focus {
  border-color: var(--color-cyan, #0ff);
  outline: 3px solid rgba(0,255,255,.15);
}
.projects-grid .course-card {
  height: 100%;
}
.projects-grid .lesson-actions {
  margin-top: auto;
}

@media (max-width: 767.98px) {
  .projects-catalog-page .projects-catalog-hero {
    padding-top: 2.75rem;
  }
  .projects-filter-panel__heading {
    flex-direction: column;
  }
  .projects-catalog-page .filters-toolbar {
    grid-template-columns: 1fr;
  }
  .projects-visible-count {
    white-space: normal;
  }
}

@media (max-width: 575.98px) {
  .projects-catalog-page .course-navbar .container {
    min-height: 64px;
  }
  .projects-catalog-page .course-nav-actions .nav-link {
    display: none;
  }
  .projects-catalog-hero h1 {
    font-size: clamp(2.2rem, 13vw, 3.4rem);
  }
}

/* v2.23 — navegación global consistente y sin elementos ocultos */
.python-ai-course .course-navbar {
  overflow: visible;
}

.python-ai-course .course-navbar__layout {
  display: grid;
  grid-template-columns: minmax(220px, auto) minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  min-height: 72px;
}

.python-ai-course .course-navbar .navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  min-width: 0;
  margin: 0;
  overflow: hidden;
}

.python-ai-course .course-navbar__brand-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.python-ai-course .course-nav-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  flex-wrap: wrap;
  gap: .25rem;
  min-width: 0;
  margin: 0;
}

.python-ai-course .course-nav-actions .nav-link {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: .6rem .75rem;
  border-radius: .55rem;
  color: rgba(255,255,255,.82);
  font-weight: 650;
  white-space: nowrap;
}

.python-ai-course .course-nav-actions .nav-link:hover,
.python-ai-course .course-nav-actions .nav-link:focus-visible {
  color: #fff;
  background: rgba(0,255,255,.09);
}

.python-ai-course .course-navbar__focus {
  margin: 0;
  padding-left: .9rem;
  border-left: 1px solid rgba(255,255,255,.16);
}

.focus-mode .course-navbar__layout {
  display: grid !important;
}

.focus-mode .course-nav-actions {
  display: flex !important;
}

.focus-mode .course-nav-actions .nav-link {
  display: inline-flex !important;
}

@media (max-width: 991.98px) {
  .python-ai-course .course-navbar__layout {
    grid-template-columns: minmax(180px, 1fr) auto;
    gap: .7rem 1rem;
    padding-top: .55rem;
    padding-bottom: .55rem;
  }

  .python-ai-course .course-nav-actions {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
    padding-bottom: .2rem;
  }

  .python-ai-course .course-navbar__focus {
    grid-column: 2;
    grid-row: 1;
    padding-left: .7rem;
  }
}

@media (max-width: 575.98px) {
  .python-ai-course .course-navbar__layout {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .python-ai-course .course-navbar__brand-text {
    font-size: .82rem;
  }

  .python-ai-course .course-nav-actions .nav-link {
    min-height: 40px;
    padding: .5rem .65rem;
    font-size: .86rem;
  }

  .python-ai-course .course-navbar__focus {
    border-left: 0;
    padding-left: 0;
  }
}

/* v2.24 — contraste de la tabla de recursos */
.resources-page .resources-download-card {
  overflow: hidden;
}

.resources-download-card__heading {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}

.resources-table-wrapper {
  border: 1px solid rgba(255,255,255,.12);
  border-radius: .9rem;
  background: #070b12;
}

.resources-table {
  --bs-table-bg: transparent;
  --bs-table-color: rgba(255,255,255,.86);
  --bs-table-border-color: rgba(255,255,255,.11);
  --bs-table-striped-bg: rgba(255,255,255,.025);
  --bs-table-striped-color: #fff;
  --bs-table-hover-bg: rgba(0,255,255,.055);
  --bs-table-hover-color: #fff;
  margin-bottom: 0;
  color: rgba(255,255,255,.86);
  background: transparent;
}

.resources-table > :not(caption) > * > * {
  padding: .9rem 1rem;
  color: inherit;
  background-color: transparent;
  border-bottom-color: rgba(255,255,255,.11);
  box-shadow: none;
}

.resources-table thead th {
  color: var(--color-cyan, #0ff);
  background: #0b1422;
  border-bottom: 1px solid rgba(0,255,255,.24);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .055em;
  text-transform: uppercase;
  white-space: nowrap;
}

.resources-table tbody tr {
  background: rgba(255,255,255,.018);
  transition: background .2s ease;
}

.resources-table tbody tr:nth-child(even) {
  background: rgba(255,255,255,.032);
}

.resources-table tbody tr:hover {
  background: rgba(0,255,255,.055);
}

.resources-table tbody td,
.resources-table tbody th {
  vertical-align: middle;
}

.resources-table tbody td strong {
  color: #fff;
}

.resources-level-number {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid rgba(0,255,255,.28);
  border-radius: 50%;
  background: rgba(0,255,255,.07);
  color: var(--color-cyan, #0ff);
  font-weight: 800;
}

.resources-download-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  min-height: 40px;
  padding: .55rem .7rem;
  border: 1px solid var(--color-cyan, #0ff);
  border-radius: .55rem;
  background: transparent;
  color: var(--color-cyan, #0ff);
  font-weight: 700;
  white-space: nowrap;
}

.resources-download-button:hover,
.resources-download-button:focus-visible {
  background: var(--color-cyan, #0ff);
  color: #001015;
}

.resources-download-button:focus-visible {
  outline: 3px solid rgba(0,255,255,.25);
  outline-offset: 3px;
}

.resources-download-button .material-symbols-rounded {
  font-size: 1.1rem;
}

@media (max-width: 767.98px) {
  .resources-download-card__heading {
    flex-direction: column;
  }

  .resources-table {
    min-width: 720px;
  }

  .resources-table-wrapper {
    scrollbar-color: rgba(0,255,255,.4) rgba(255,255,255,.04);
  }
}

/* v2.25 — recurso visual para introducción a notebooks */
.notebook-resource-page {
  background:
    radial-gradient(circle at 82% 12%, rgba(0,255,255,.065), transparent 28rem),
    #000;
}

.notebook-resource-hero {
  padding: clamp(2.75rem, 6vw, 5rem) 0 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
  background:
    linear-gradient(135deg, rgba(0,255,255,.045), transparent 42%),
    linear-gradient(180deg, #03070c, #000);
}

.notebook-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.5rem;
  color: var(--course-muted);
  font-size: .9rem;
}

.notebook-breadcrumb a {
  color: var(--course-muted);
}

.notebook-breadcrumb a:hover,
.notebook-breadcrumb a:focus-visible {
  color: var(--color-cyan, #0ff);
}

.notebook-resource-hero__content {
  max-width: 920px;
}

.notebook-resource-hero h1 {
  margin: 1rem 0 .8rem;
  font-size: clamp(2.6rem, 6vw, 5rem);
  font-weight: 780;
  letter-spacing: -.045em;
  line-height: 1.02;
}

.notebook-resource-hero .lead {
  max-width: 820px;
}

.notebook-optional-note,
.notebook-warning {
  display: flex;
  gap: .8rem;
  align-items: flex-start;
  margin-top: 1.25rem;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(0,255,255,.24);
  border-radius: .85rem;
  background: rgba(0,255,255,.055);
}

.notebook-optional-note .material-symbols-rounded,
.notebook-warning .material-symbols-rounded {
  color: var(--color-cyan, #0ff);
}

.notebook-optional-note p,
.notebook-warning p {
  color: var(--course-muted);
}

.notebook-resource-main {
  display: grid;
  gap: 1.25rem;
  padding-top: 2rem;
  padding-bottom: 4rem;
}

.notebook-definition-card {
  border-color: rgba(0,255,255,.25);
}

.notebook-cell-demo {
  display: grid;
  gap: .75rem;
  margin-top: 1.25rem;
  padding: 1rem;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: .9rem;
  background: #050a12;
}

.notebook-cell {
  padding: 1rem;
  border: 1px solid rgba(255,255,255,.11);
  border-radius: .75rem;
  background: rgba(255,255,255,.025);
}

.notebook-cell__heading {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.notebook-cell__type,
.notebook-cell__status {
  color: var(--course-muted);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .045em;
  text-transform: uppercase;
}

.notebook-cell--code {
  border-color: rgba(0,255,255,.22);
  background: #07111f;
}

.notebook-cell--code pre {
  margin: .7rem 0 0;
  padding: 0;
  background: transparent;
  color: #eaf7ff;
}

.notebook-cell--code code {
  color: inherit;
}

.notebook-cell--output {
  border-left: 4px solid var(--color-cyan, #0ff);
}

.notebook-cell--output output {
  display: block;
  margin-top: .55rem;
  color: var(--color-cyan, #0ff);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 1.5rem;
  font-weight: 750;
}

.notebook-resource-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 1.25rem;
}

.notebook-feature-list {
  display: grid;
  gap: .75rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.notebook-feature-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .7rem;
  padding: .85rem;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: .75rem;
  background: rgba(255,255,255,.025);
}

.notebook-feature-list .material-symbols-rounded {
  color: var(--color-cyan, #0ff);
}

.notebook-feature-list p {
  margin: .2rem 0 0;
  color: var(--course-muted);
  font-size: .9rem;
}

.notebook-warning {
  border-color: rgba(255,173,51,.3);
  background: rgba(255,173,51,.055);
}

.notebook-warning .material-symbols-rounded {
  color: #ffad33;
}

.notebook-comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.notebook-comparison-grid article {
  padding: 1.1rem;
  border: 1px solid rgba(255,255,255,.11);
  border-radius: .85rem;
  background: rgba(255,255,255,.025);
}

.notebook-comparison__icon {
  display: grid;
  place-items: center;
  width: 2.7rem;
  height: 2.7rem;
  margin-bottom: .8rem;
  border: 1px solid rgba(0,255,255,.26);
  border-radius: .75rem;
  background: rgba(0,255,255,.07);
  color: var(--color-cyan, #0ff);
}

.notebook-comparison-grid h3 {
  font-size: 1.15rem;
}

.notebook-comparison-grid ul {
  margin-bottom: 0;
  color: var(--course-muted);
}

.notebook-remember-grid {
  display: grid;
  gap: .75rem;
  margin-top: 1rem;
}

.notebook-remember-grid article {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .8rem;
  padding: .9rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.notebook-remember-grid article:last-child {
  border-bottom: 0;
}

.notebook-remember-grid article > span {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: rgba(0,255,255,.09);
  color: var(--color-cyan, #0ff);
  font-weight: 800;
}

.notebook-remember-grid p {
  margin: .2rem 0 0;
  color: var(--course-muted);
}

.notebook-resource-actions {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1.25rem;
  border: 1px solid rgba(0,255,255,.22);
  border-radius: 1rem;
  background: rgba(0,255,255,.045);
}

.notebook-resource-actions .btn {
  display: inline-flex;
  gap: .45rem;
  align-items: center;
  white-space: nowrap;
}

@media (max-width: 767.98px) {
  .notebook-resource-grid,
  .notebook-comparison-grid {
    grid-template-columns: 1fr;
  }

  .notebook-resource-actions {
    align-items: flex-start;
    flex-direction: column;
  }
}

/* v2.26 — portada compacta para hacer visible la sección neuroinclusiva */
.course-home-page .course-home-hero {
  min-height: 0;
  padding: clamp(2.5rem, 5vw, 4.25rem) 0 clamp(1.75rem, 3.5vw, 2.75rem);
}

.course-home-page .course-home-hero h1 {
  margin-top: .85rem !important;
  margin-bottom: .7rem;
  font-size: clamp(2.45rem, 5.4vw, 4.65rem);
  line-height: 1.04;
  letter-spacing: -.045em;
}

.course-home-page .course-home-hero .lead {
  max-width: 760px;
  margin-bottom: 1rem;
}

.course-home-page .course-home-progress-panel {
  padding: 1.15rem !important;
}

.course-home-page .course-home-progress-panel .course-stats {
  gap: .7rem;
  margin-top: 1rem !important;
}

.course-home-page .course-home-progress-panel .stat-card {
  padding: .85rem;
}

.course-home-page .neuroinclusive-intro {
  padding-top: .85rem;
}

@media (max-width: 991.98px) {
  .course-home-page .course-home-hero {
    padding-top: 2.25rem;
  }

  .course-home-page .course-home-hero .row {
    --bs-gutter-y: 1.5rem;
  }
}

@media (max-width: 575.98px) {
  .course-home-page .course-home-hero {
    padding: 1.75rem 0 1.5rem;
  }

  .course-home-page .course-home-hero h1 {
    font-size: clamp(2.2rem, 12vw, 3.35rem);
  }
}

/* v2.27 — título principal de portada con escala controlada */
.course-home-page .course-home-hero h1 {
  max-width: 820px;
  font-size: clamp(2.25rem, 4.25vw, 3.8rem);
  line-height: 1.08;
  letter-spacing: -.035em;
  text-wrap: balance;
}

@media (max-width: 991.98px) {
  .course-home-page .course-home-hero h1 {
    max-width: 700px;
    font-size: clamp(2.2rem, 6.5vw, 3.25rem);
  }
}

@media (max-width: 575.98px) {
  .course-home-page .course-home-hero h1 {
    max-width: none;
    font-size: clamp(2rem, 10.5vw, 2.75rem);
    line-height: 1.1;
  }
}

/* v2.28 — botón flotante Volver arriba basado en andryta.com */
.python-ai-course .back-to-top {
  position: fixed;
  right: max(1.25rem, env(safe-area-inset-right));
  bottom: max(1.25rem, env(safe-area-inset-bottom));
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--color-cyan, #0ff);
  color: #001015;
  box-shadow: 0 10px 28px rgba(0,0,0,.42);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(.75rem) scale(.94);
  transition: opacity .25s ease, visibility .25s ease, transform .25s ease, box-shadow .25s ease, background .25s ease;
  z-index: 1100;
}
.python-ai-course .back-to-top.visible { opacity:1; visibility:visible; pointer-events:auto; transform:translateY(0) scale(1); }
.python-ai-course .back-to-top:hover { background:#fff; transform:translateY(-4px); box-shadow:0 12px 30px rgba(0,255,255,.3); }
.python-ai-course .back-to-top:active { transform:translateY(-1px) scale(.97); }
.python-ai-course .back-to-top:focus-visible { outline:3px solid rgba(0,255,255,.38); outline-offset:4px; }
.python-ai-course .back-to-top .material-symbols-rounded { font-size:1.55rem; font-variation-settings:"FILL" 0,"wght" 650,"GRAD" 0,"opsz" 24; }
.focus-mode .back-to-top { display:inline-grid !important; }
@media (max-width:575.98px) {
  .python-ai-course .back-to-top { right:max(.9rem,env(safe-area-inset-right)); bottom:max(.9rem,env(safe-area-inset-bottom)); width:44px; height:44px; }
}
@media (prefers-reduced-motion:reduce) {
  .python-ai-course .back-to-top { transition:opacity .01ms linear,visibility .01ms linear; transform:none; }
  .python-ai-course .back-to-top:hover,.python-ai-course .back-to-top:active { transform:none; }
}


/* v2.30 — UI para documentación y detalles de proyectos */
.project-document-page { background: radial-gradient(circle at 85% 5%,rgba(0,255,255,.055),transparent 28rem),#000; }
.project-document-hero { padding: clamp(2.6rem,5vw,4.5rem) 0 2.5rem; border-bottom:1px solid rgba(255,255,255,.1); background:linear-gradient(135deg,#03070d,#07111f); }
.project-document-breadcrumb { display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.4rem;color:rgba(255,255,255,.6);font-size:.9rem; }
.project-document-breadcrumb a { color:rgba(255,255,255,.68); }
.project-document-breadcrumb a:hover { color:var(--color-cyan,#0ff); }
.project-document-hero__grid { display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2rem;align-items:center; }
.project-document-hero h1 { margin:.8rem 0 .65rem;font-size:clamp(2.25rem,5vw,4rem);font-weight:780;letter-spacing:-.04em;line-height:1.04; }
.project-document-hero p { max-width:760px;margin:0;color:rgba(255,255,255,.66);font-size:1.05rem; }
.project-document-hero__icon { display:grid;place-items:center;width:78px;height:78px;border:1px solid rgba(0,255,255,.25);border-radius:1.1rem;background:rgba(0,255,255,.07);color:var(--color-cyan,#0ff); }
.project-document-hero__icon svg { width:38px;height:38px;fill:currentColor; }
.project-document-main { padding-top:1.5rem;padding-bottom:4rem; }
.project-document-tabs { display:flex;gap:.5rem;overflow-x:auto;margin-bottom:1.25rem;padding:.35rem;border:1px solid rgba(255,255,255,.1);border-radius:.8rem;background:rgba(255,255,255,.025); }
.project-doc-tab { flex:0 0 auto;padding:.65rem .85rem;border-radius:.55rem;color:rgba(255,255,255,.72);font-weight:700;text-decoration:none; }
.project-doc-tab:hover,.project-doc-tab:focus-visible { color:#001015;background:var(--color-cyan,#0ff); }
.project-document-layout { display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,340px);gap:1.25rem;align-items:start; }
.project-document-content { min-width:0; }
.project-document-content > :first-child { margin-top:0; }
.project-document-content h1 { font-size:clamp(1.9rem,3vw,2.65rem); }
.project-document-content h2 { margin-top:2rem;padding-top:.4rem;font-size:1.45rem; }
.project-document-content h3 { margin-top:1.4rem;font-size:1.15rem; }
.project-document-content p,.project-document-content li { color:rgba(255,255,255,.78);line-height:1.72; }
.project-document-content a { color:var(--color-cyan,#0ff); }
.project-document-content pre { max-width:100%;padding:1rem;border:1px solid rgba(0,255,255,.18);border-radius:.75rem;background:#050b14;overflow:auto; }
.project-document-content code { color:#b9ffff; }
.project-document-content blockquote { margin:1.2rem 0;padding:1rem 1.1rem;border-left:4px solid var(--color-cyan,#0ff);border-radius:0 .7rem .7rem 0;background:rgba(0,255,255,.045); }
.project-document-content table { width:100%;display:block;overflow-x:auto;margin:1rem 0;border-collapse:collapse; }
.project-document-content th,.project-document-content td { padding:.75rem;border:1px solid rgba(255,255,255,.12); }
.project-document-content input[type=checkbox] { width:1.05rem;height:1.05rem;margin-right:.55rem;accent-color:var(--color-cyan,#0ff); }
.project-document-aside { position:sticky;top:92px;display:grid;gap:1rem; }
.project-document-aside h2 { font-size:1.2rem; }
.project-document-actions { display:grid;gap:.55rem;margin-top:1rem; }
.project-document-actions a { display:flex;align-items:center;gap:.6rem;min-height:44px;padding:.7rem .8rem;border:1px solid rgba(255,255,255,.12);border-radius:.65rem;color:#fff;text-decoration:none; }
.project-document-actions a:hover { border-color:rgba(0,255,255,.4);background:rgba(0,255,255,.06); }
.project-document-actions svg { width:20px;height:20px;fill:var(--color-cyan,#0ff); }
.project-document-help ol { margin:0;padding-left:1.2rem;color:rgba(255,255,255,.7); }
.project-document-help li+li { margin-top:.45rem; }
.project-document-page .back-to-top svg { width:24px;height:24px;fill:currentColor; }
@media(max-width:991.98px){.project-document-layout{grid-template-columns:1fr}.project-document-aside{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:575.98px){.project-document-hero__grid{grid-template-columns:1fr}.project-document-hero__icon{display:none}.project-document-aside{grid-template-columns:1fr}.project-document-tabs{margin-inline:-.25rem}.project-document-content{padding:1rem}}

@media(max-width:991.98px){.language-switcher{grid-column:1 / -1;grid-row:3;justify-self:start}.python-ai-course .course-navbar__layout{grid-template-rows:auto auto auto}}
@media(max-width:575.98px){.language-switcher__label{display:none}.language-switcher__link,.language-switcher__current{font-size:.78rem;padding:.28rem .45rem}}

/* v2.39 — local SVG icons and reliable sizing */
.course-icon {
  display: inline-block;
  width: 1.25em;
  height: 1.25em;
  flex: 0 0 auto;
  overflow: visible;
  vertical-align: -0.18em;
  color: currentColor;
}
.lesson-purpose-grid .course-icon,
.lesson-first-step .course-icon {
  width: 2rem;
  height: 2rem;
  color: var(--color-cyan, #00ffff);
}
.back-to-top .course-icon {
  width: 1.4rem;
  height: 1.4rem;
}
.assessment-hint-button .course-icon,
.project-download-button .course-icon {
  width: 1.1rem;
  height: 1.1rem;
}
\n/* v2.40 final navigation and local icons */
.python-ai-course .course-navbar{overflow:visible}.python-ai-course .course-navbar__layout{display:grid;grid-template-columns:minmax(210px,auto) minmax(0,1fr) auto auto;align-items:center;gap:.65rem 1rem;min-height:72px}.python-ai-course .course-navbar .navbar-brand{display:flex;align-items:center;gap:.65rem;min-width:0;margin:0;overflow:visible}.python-ai-course .course-navbar__brand-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.python-ai-course .course-nav-actions{display:flex!important;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:.2rem;min-width:0;overflow:visible}.python-ai-course .course-nav-actions .nav-link{display:inline-flex!important;align-items:center;min-height:42px;padding:.55rem .68rem;white-space:nowrap}.python-ai-course .language-switcher,.python-ai-course .course-navbar__focus{display:flex!important;align-items:center;visibility:visible!important;opacity:1!important;white-space:nowrap}.course-icon{display:inline-block;width:1.35rem;height:1.35rem;flex:0 0 auto;vertical-align:-.22em;color:currentColor}.back-to-top .course-icon{width:1.5rem;height:1.5rem;vertical-align:0}[hidden]{display:none!important}@media(max-width:1399.98px){.python-ai-course .course-navbar__layout{grid-template-columns:minmax(190px,1fr) auto}.python-ai-course .course-nav-actions{grid-column:1/-1;grid-row:2;justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;padding-bottom:.25rem}.python-ai-course .language-switcher{grid-column:1;grid-row:3}.python-ai-course .course-navbar__focus{grid-column:2;grid-row:1;justify-self:end}}@media(max-width:575.98px){.python-ai-course .course-navbar__layout{grid-template-columns:minmax(0,1fr) auto}.python-ai-course .course-nav-actions .nav-link{font-size:.84rem;padding:.48rem .58rem}.python-ai-course .language-switcher{grid-column:1/-1;grid-row:3}.python-ai-course .course-navbar__focus .focus-switch__text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}}\n

/* v2.45 — navegación en español sin selector de idioma */
.python-ai-course .course-navbar__layout {
  grid-template-columns: minmax(240px, auto) minmax(0, 1fr) auto;
}

.python-ai-course .course-nav-actions {
  justify-content: flex-end;
}

@media (max-width: 991.98px) {
  .python-ai-course .course-navbar__layout {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .python-ai-course .course-nav-actions {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }
}

@media (max-width: 575.98px) {
  .python-ai-course .course-navbar__brand-text {
    max-width: 16rem;
  }
}