:root {
  --purple: #742774;
  --blue: #2b2560;
  --accent: #00a1f1;
  --bg: #f7f7fb;
  --card-bg: #ffffff;
  --text: #24213a;
  --muted: #666a80;
  --border: #e4e2f0;
  --fundamentals: #6b6f8a;
  --beginner: #2b8a3e;
  --intermediate: #d9822b;
  --advanced: #c92a2a;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

header.site-header {
  background: linear-gradient(120deg, var(--blue), var(--purple));
  color: #fff;
  padding: 20px 0;
}

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

header.site-header .brand {
  font-weight: 700;
  font-size: 1.2rem;
  color: #fff;
}

.hero {
  background: linear-gradient(120deg, var(--blue), var(--purple));
  color: #fff;
  padding: 60px 0 80px;
  text-align: center;
}

.hero h1 { font-size: 2.2rem; margin-bottom: 12px; }
.hero p { color: #e3e0f5; max-width: 640px; margin: 0 auto; }

main { padding: 40px 0 80px; }

h2.section-title {
  font-size: 1.5rem;
  margin: 0 0 24px;
}

.track {
  margin-bottom: 48px;
}

.track-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--blue);
}

.path-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  position: relative;
}

.path-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  flex: 1 1 220px;
  min-width: 220px;
  box-shadow: 0 2px 6px rgba(30, 20, 70, 0.04);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.level-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  color: #fff;
  width: fit-content;
}

.level-fundamentals { background: var(--fundamentals); }
.level-beginner { background: var(--beginner); }
.level-intermediate { background: var(--intermediate); }
.level-advanced { background: var(--advanced); }

.path-card h3 { margin: 0; font-size: 1.05rem; }
.path-card p.desc { color: var(--muted); font-size: 0.9rem; margin: 0; flex-grow: 1; }
.path-card .price { font-weight: 700; color: var(--blue); }

.btn {
  display: inline-block;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #0089d1; text-decoration: none; }

.btn-mp {
  background: #009ee3;
  color: #fff;
  width: 100%;
}
.btn-mp:hover { background: #0087c4; text-decoration: none; }

.btn-secondary {
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-danger { background: #c92a2a; color: #fff; }

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
}

.sessions-list { list-style: none; margin: 0; padding: 0; }
.sessions-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.sessions-list li:last-child { border-bottom: none; }

form .field { margin-bottom: 16px; }
form label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.9rem; }
form input[type=text],
form input[type=email],
form input[type=number],
form input[type=url],
form input[type=password],
form input[type=datetime-local],
form select,
form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
}
form textarea { resize: vertical; }

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
}
table th, table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
table th { background: #f0eef8; color: var(--blue); }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
}
.badge-paid { background: #d3f9d8; color: #2b8a3e; }
.badge-pending { background: #fff3bf; color: #9c6f00; }
.badge-failed, .badge-cancelled { background: #ffe3e3; color: #c92a2a; }

.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 20px; font-size: 0.9rem; }
.flash-success { background: #d3f9d8; color: #2b8a3e; }
.flash-error { background: #ffe3e3; color: #c92a2a; }

.admin-nav {
  background: var(--blue);
  padding: 14px 0;
}
.admin-nav .container { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.admin-nav a { color: #e3e0f5; font-size: 0.9rem; }
.admin-nav a.brand { color: #fff; font-weight: 700; margin-right: auto; }

.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; flex-wrap: wrap; gap: 10px; }

.muted { color: var(--muted); font-size: 0.85rem; }

footer.site-footer {
  text-align: center;
  padding: 30px 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.empty-state { text-align: center; padding: 40px 20px; color: var(--muted); }

/* --- Selector "Cursos" vs "Carrera" --- */

.mode-chooser {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 48px;
}

.mode-card {
  text-align: left;
  background: var(--card-bg);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  cursor: pointer;
  font: inherit;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.mode-card:hover { border-color: var(--accent); }

.mode-card.active {
  border-color: var(--accent);
  box-shadow: 0 4px 14px rgba(0, 161, 241, 0.18);
}

.mode-card-title { font-size: 1.2rem; font-weight: 700; color: var(--blue); }

.mode-card-list { margin: 0; padding-left: 20px; color: var(--muted); font-size: 0.9rem; }
.mode-card-list li { margin-bottom: 4px; }

.mode-card-cta { color: var(--accent); font-weight: 600; font-size: 0.9rem; }

.view-section { margin-top: 8px; }

.view-section-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.view-section-header .section-title { margin: 0; margin-right: auto; }

/* --- Chips de filtro por nivel --- */

.filter-chips { display: flex; flex-wrap: wrap; gap: 10px; }

.chip {
  background: #fff;
  border: 2px solid var(--accent);
  color: var(--accent);
  border-radius: 999px;
  padding: 8px 18px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
}

.chip.active { background: var(--accent); color: #fff; }

.results-count { color: var(--muted); font-size: 0.9rem; margin: 0; width: 100%; }

/* --- Grilla de cards de "Cursos" --- */

.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.course-card {
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 1px solid var(--blue);
  border-radius: var(--radius);
  overflow: hidden;
  color: var(--text);
  box-shadow: 0 2px 6px rgba(30, 20, 70, 0.06);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.course-card:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(30, 20, 70, 0.12);
}

.course-card-badge {
  background: var(--blue);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 8px 16px;
}

.course-card-body {
  padding: 18px 20px 8px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-grow: 1;
}

.course-card-body h3 { margin: 0; font-size: 1.1rem; }
.course-card-body p.desc { color: var(--muted); font-size: 0.9rem; margin: 0; }

.course-card-meta {
  border-top: 1px solid var(--border);
  padding-top: 10px;
  margin-top: auto;
}

.course-card-meta .price { font-weight: 700; color: var(--blue); font-size: 1.05rem; }
.course-card-meta p.muted { margin: 4px 0 0; }

.course-card-footer {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  font-size: 0.85rem;
  color: var(--text);
}

.level-bars { display: inline-flex; gap: 3px; }
.level-bars i {
  display: inline-block;
  width: 4px;
  height: 14px;
  border-radius: 2px;
  background: var(--border);
}
.level-bars i.bar-muted { background: var(--border); }
.level-bars i.bar-filled.level-fundamentals { background: var(--fundamentals); }
.level-bars i.bar-filled.level-beginner { background: var(--beginner); }
.level-bars i.bar-filled.level-intermediate { background: var(--intermediate); }
.level-bars i.bar-filled.level-advanced { background: var(--advanced); }

/* --- Camino de aprendizaje ("Carrera"), agrupado por nivel --- */

.career-path {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 2px 8px rgba(30, 20, 70, 0.06);
}

.level-path {
  display: flex;
  flex-direction: column;
}

.level-row {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px 0;
}

.level-row + .level-row {
  border-top: 1px solid var(--border);
}

.level-row-marker {
  flex: 0 0 auto;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 6px;
}

.level-marker-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 0 4px rgba(30, 20, 70, 0.08);
}

.level-marker-line {
  width: 2px;
  flex: 1;
  margin-top: 8px;
  background: var(--border);
}

.level-row:last-child .level-marker-line { display: none; }

.level-row-label {
  flex: 0 0 140px;
  padding-top: 2px;
  font-size: 1.1rem;
  font-weight: 700;
}

.level-text-fundamentals { color: var(--fundamentals); }
.level-text-beginner { color: var(--beginner); }
.level-text-intermediate { color: var(--intermediate); }
.level-text-advanced { color: var(--advanced); }

.level-row-courses {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.path-node {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 0 1 200px;
  min-width: 170px;
  background: var(--card-bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-top: 3px solid var(--blue);
  border-radius: 10px;
  padding: 14px 16px;
  box-shadow: 0 2px 6px rgba(30, 20, 70, 0.05);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.path-node:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(30, 20, 70, 0.12);
}

.path-node-name { font-weight: 700; font-size: 0.92rem; }
.path-node-price { font-size: 0.85rem; color: var(--blue); font-weight: 600; }

/* --- Resumen de precio de la carrera completa --- */

.career-pricing {
  margin-top: 32px;
  background: linear-gradient(120deg, var(--blue), var(--purple));
  color: #fff;
  border-radius: var(--radius);
  padding: 28px 32px;
}

.career-pricing-label {
  display: block;
  color: #e3e0f5;
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.career-pricing-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.career-pricing-original {
  text-decoration: line-through;
  color: #c7c2e6;
  font-size: 1.1rem;
}

.career-pricing-discount-badge {
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.32);
  padding: 4px 12px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.8rem;
}

.career-pricing-final {
  font-size: 2rem;
  font-weight: 800;
  margin-top: 6px;
}

.career-pricing-note {
  margin: 10px 0 0;
  color: #e3e0f5;
  font-size: 0.88rem;
  max-width: 480px;
}

@media (max-width: 640px) {
  .career-path { padding: 24px 20px; }
  .level-row { flex-direction: column; gap: 12px; }
  .level-row-marker { flex-direction: row; align-self: auto; padding-top: 0; }
  .level-marker-line { display: none; }
  .level-row-label { padding-top: 0; }
  .career-pricing { padding: 24px; }
}

/* --- Página de detalle de curso --- */

.course-hero {
  background: linear-gradient(120deg, var(--blue), var(--purple));
  color: #fff;
  padding: 40px 0 56px;
}

.course-hero-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.course-hero-info { flex: 1 1 320px; }

.course-hero .level-badge {
  background: rgba(255, 255, 255, 0.16);
  margin-bottom: 14px;
}

.course-hero h1 { font-size: 2rem; margin: 0 0 8px; }
.course-hero-track { color: #e3e0f5; font-size: 1rem; margin: 0; }

.course-stat-card {
  flex: 0 0 auto;
  min-width: 260px;
  background: rgba(0, 0, 0, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.course-stat-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: #e3e0f5;
}

.course-stat-item strong { color: #fff; }

.course-stat-icon {
  display: inline-flex;
  flex-shrink: 0;
  color: var(--accent);
}

@media (max-width: 700px) {
  .course-hero-inner { flex-direction: column; align-items: stretch; }
  .course-stat-card { min-width: 0; }
}

.course-page { padding-top: 40px; }

.course-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 32px;
  align-items: start;
}

.course-content h2.section-title { margin-bottom: 16px; }
.course-content h2.section-title:not(:first-child) { margin-top: 32px; }
.course-description { color: var(--text); }

.course-temario { color: var(--text); }
.course-temario p { margin: 0 0 12px; }
.course-temario h3, .course-temario h4 { margin: 20px 0 8px; }
.course-temario ul, .course-temario ol { margin: 0 0 12px; padding-left: 24px; }
.course-temario li { margin-bottom: 4px; }

.rte {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.rte-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  padding: 6px;
  background: var(--card-bg, #f5f5f7);
  border-bottom: 1px solid var(--border);
}
.rte-btn {
  border: 1px solid transparent;
  background: transparent;
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 13px;
  cursor: pointer;
  color: var(--text);
}
.rte-btn:hover { background: var(--border); }
.rte-sep {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 4px;
}
.rte-editor {
  min-height: 220px;
  padding: 12px 14px;
  outline: none;
}
.rte-editor p { margin: 0 0 12px; }
.rte-editor h3, .rte-editor h4 { margin: 16px 0 8px; }
.rte-editor ul, .rte-editor ol { margin: 0 0 12px; padding-left: 24px; }

.enroll-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 4px 16px rgba(30, 20, 70, 0.08);
  position: sticky;
  top: 24px;
}

.enroll-card-price {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 4px;
}

.enroll-card-title {
  font-size: 1.05rem;
  margin: 0 0 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

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

.session-option {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  cursor: pointer;
  font-weight: 400;
  margin-bottom: 0;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.session-option:hover { border-color: var(--accent); }
.session-option:has(input:checked) {
  border-color: var(--accent);
  background: rgba(0, 161, 241, 0.06);
}

.session-option input { margin: 0; flex-shrink: 0; accent-color: var(--accent); }

.session-option-body { display: flex; flex-direction: column; gap: 2px; }
.session-option-date { font-weight: 600; font-size: 0.92rem; }
.session-option-schedule { font-size: 0.8rem; color: var(--muted); }

.field-hint { font-size: 0.78rem; font-weight: 400; color: var(--muted); margin: 6px 0 0; }

.enroll-card-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--muted);
  margin: 12px 0 0;
}

@media (max-width: 800px) {
  .course-layout { grid-template-columns: 1fr; }
  .enroll-card { position: static; }
}

.course-benefits {
  margin-top: 56px;
  background: linear-gradient(160deg, rgba(0, 161, 241, 0.07), rgba(116, 39, 116, 0.05));
  border-radius: calc(var(--radius) * 1.5);
  padding: 36px;
}

.benefits-inner { display: flex; gap: 24px; }

.benefits-marker {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 8px;
}

.marker-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(0, 161, 241, 0.16);
  flex-shrink: 0;
}

.marker-line {
  width: 2px;
  flex: 1;
  margin-top: 6px;
  background: var(--border);
}

.benefits-body { flex: 1 1 auto; min-width: 0; }
.benefits-body .section-title { color: var(--blue); }

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.benefit-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 2px 8px rgba(30, 20, 70, 0.06);
}

.benefit-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(0, 161, 241, 0.12);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.benefit-title { margin: 0; font-size: 1rem; font-weight: 700; color: var(--text); }
.benefit-desc { margin: 0; font-size: 0.85rem; color: var(--muted); }

@media (max-width: 640px) {
  .course-benefits { padding: 24px; }
  .benefits-marker { display: none; }
}