/* GlEm Capacitación - Sistema de diseño (colores del logo) */
@import url('mvisual-credits.css');

/* Logo con esquinas ligeramente redondeadas (usar en todas las apariciones) */
.img-logo { border-radius: 4px; }
/* Fuente: Roboto (cargada en layout) */
/* Paleta: #2D3142 (oscuro), #00B1D2 (teal), #D90368 (magenta), #EBEBEB (fondo) */

:root {
  --font-sans: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --color-primary: #2D3142;
  --color-primary-dark: #1a1c28;
  --color-primary-light: #e8e9ed;
  --color-accent: #00B1D2;
  --color-accent-hover: #0099b8;
  --color-accent-light: #e0f7fb;
  --color-accent2: #D90368;
  --color-accent2-hover: #b80257;
  --color-accent2-light: #fce4ec;
  --color-danger: #c62828;
  --color-danger-light: #ffebee;
  --color-surface: #ffffff;
  --color-bg: #EBEBEB;
  --color-border: #d8d9dc;
  --color-text: #2D3142;
  --color-text-muted: #5c5f6f;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,.1);
  --transition: 0.2s ease;
}

* { box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ----- Tipografía ----- */
h1, h2, h3, h4, h5, h6 { font-weight: 600; color: var(--color-text); }
.page-title { font-size: 1.5rem; font-weight: 600; margin-bottom: 1.25rem; color: var(--color-text); }
.section-title { font-size: 1.125rem; font-weight: 600; margin-bottom: 0.75rem; color: var(--color-text); }
.text-muted { color: var(--color-text-muted) !important; }

/* ----- Navbar ----- */
.navbar-app {
  background: var(--color-primary) !important;
  box-shadow: var(--shadow-md);
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}
.navbar-app .navbar-brand {
  font-weight: 600;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}
.navbar-app .nav-link {
  font-weight: 500;
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.75rem !important;
  transition: background var(--transition);
}
.navbar-app .nav-link:hover { background: rgba(255,255,255,.15); }
.navbar-app .nav-link.active { background: rgba(255,255,255,.25); }
.navbar-app .btn-outline-light {
  border-radius: var(--radius-md);
  font-weight: 500;
  padding: 0.35rem 0.9rem;
  transition: all var(--transition);
}
.navbar-app .btn-outline-light:hover {
  background: rgba(255,255,255,.2);
  border-color: rgba(255,255,255,.5);
  color: #fff;
}

/* Navbar empresa (tono más neutro, mismo oscuro) */
.navbar-app-empresa { background: var(--color-primary) !important; }
.navbar-app-empresa .navbar-brand,
.navbar-app-empresa .nav-link { color: rgba(255,255,255,.95) !important; }

/* ----- Main content ----- */
.main-app {
  padding-top: 1.75rem;
  padding-bottom: 3rem;
  min-height: calc(100vh - 56px);
}

/* ----- Cards ----- */
.card-app {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.card-app:hover { box-shadow: var(--shadow-md); }
.card-app .card-header {
  background: #f8fafc;
  border-bottom: 1px solid var(--color-border);
  font-weight: 600;
  padding: 0.875rem 1.25rem;
  font-size: 1rem;
}
.card-app .list-group-item { border-color: var(--color-border); }
.card-app .card-footer { background: #f8fafc; border-top: 1px solid var(--color-border); }

/* ----- Botones consistentes ----- */
.btn {
  font-family: var(--font-sans);
  font-weight: 500;
  border-radius: var(--radius-md);
  padding: 0.45rem 1rem;
  transition: all var(--transition);
  border-width: 1px;
}
.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.875rem; border-radius: var(--radius-sm); }
.btn-lg { padding: 0.6rem 1.25rem; font-size: 1rem; border-radius: var(--radius-md); }
.btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: 0 1px 3px rgba(0, 177, 210, .3);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  box-shadow: 0 2px 6px rgba(0, 177, 210, .35);
  transform: translateY(-1px);
}
.btn-success {
  background: var(--color-accent2);
  border-color: var(--color-accent2);
}
.btn-success:hover {
  background: var(--color-accent2-hover);
  border-color: var(--color-accent2-hover);
  transform: translateY(-1px);
}
.btn-outline-primary {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.btn-outline-primary:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent);
  color: var(--color-accent-hover);
}
.btn-outline-secondary {
  border-color: var(--color-border);
  color: var(--color-text-muted);
}
.btn-outline-secondary:hover {
  background: #f1f5f9;
  border-color: #cbd5e1;
  color: var(--color-text);
}
.btn-outline-danger:hover { transform: translateY(-1px); }
.btn i.bi { margin-right: 0.35rem; vertical-align: -0.1em; }
.btn-group .btn { margin: 0 2px; }
.btn-group .btn:first-child { margin-left: 0; }

/* ----- Formularios ----- */
.form-label {
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.35rem;
  font-size: 0.9375rem;
}
.form-control, .form-select {
  font-family: var(--font-sans);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 0.5rem 0.75rem;
  font-size: 0.9375rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus, .form-select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 177, 210, .15);
  outline: none;
}
.form-control::placeholder { color: #94a3b8; }
.form-control-sm, .form-select.form-select-sm {
  padding: 0.4rem 0.65rem;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}
.input-group .form-control { border-radius: 0 var(--radius-md) var(--radius-md) 0; }
.input-group .input-group-text {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  border: 1px solid var(--color-border);
  background: #f8fafc;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}
textarea.form-control { min-height: 88px; resize: vertical; }
.form-check-input:checked { background-color: var(--color-accent); border-color: var(--color-accent); }

/* Form sections */
.form-section {
  background: #f8fafc;
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
  border: 1px solid var(--color-border);
}
.form-section-title { font-size: 0.9375rem; font-weight: 600; margin-bottom: 0.75rem; color: var(--color-text); }

/* ----- Alerts ----- */
.alert {
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-size: 0.9375rem;
}
.alert-success { background: var(--color-accent-light); border-color: #7dd3e8; color: #006d82; }
.alert-danger { background: var(--color-danger-light); border-color: #ef9a9a; color: #b71c1c; }
.alert-info { background: var(--color-accent-light); border-color: #7dd3e8; color: #006d82; }

/* ----- Tables ----- */
.table-app {
  font-size: 0.9375rem;
}
.table-app thead th {
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: none;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 1rem;
  background: #f8fafc;
}
.table-app tbody td { padding: 0.75rem 1rem; vertical-align: middle; }
.table-app tbody tr { transition: background var(--transition); }
.table-app tbody tr:hover { background: #f8fafc; }

/* ----- Badges ----- */
.badge {
  font-weight: 500;
  font-size: 0.75rem;
  padding: 0.35em 0.6em;
  border-radius: var(--radius-sm);
}
.bg-secondary { background: #64748b !important; }
.bg-info { background: #0ea5e9 !important; }

/* ----- Progress ----- */
.progress {
  height: 8px;
  border-radius: 999px;
  background: var(--color-border);
}
.progress-bar {
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
}

/* ----- Breadcrumb ----- */
.breadcrumb {
  font-size: 0.875rem;
  background: transparent;
  padding: 0;
}
.breadcrumb-item a { color: var(--color-accent); font-weight: 500; }
.breadcrumb-item a:hover { text-decoration: underline; }

/* ----- Course cards (alumno/empresa) ----- */
.course-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  height: 100%;
  transition: box-shadow var(--transition), transform var(--transition);
  overflow: hidden;
}
.course-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.course-card .course-card-body { padding: 1.25rem; }
.course-card .course-card-title { font-size: 1rem; font-weight: 600; margin-bottom: 0.5rem; line-height: 1.35; }
.course-card .course-card-meta { font-size: 0.8125rem; color: var(--color-text-muted); margin-bottom: 0.75rem; }
.course-card .course-card-actions { margin-top: 0.75rem; display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }

/* ----- Modals ----- */
.modal-content {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}
.modal-header {
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 1.25rem;
  font-weight: 600;
  font-size: 1.0625rem;
}
.modal-body { padding: 1.25rem; }
.modal-footer {
  border-top: 1px solid var(--color-border);
  padding: 1rem 1.25rem;
  gap: 0.5rem;
}

/* ----- Avatar ----- */
.avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.875rem;
}
.avatar-lg {
  width: 4rem;
  height: 4rem;
  font-size: 1.25rem;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }

/* ----- Pagination ----- */
.pagination .btn { min-width: 2.25rem; }
.pagination .btn-primary { transform: none; }

/* ----- Empty state ----- */
.empty-state {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--color-text-muted);
}
.empty-state .bi { font-size: 2.5rem; margin-bottom: 0.5rem; opacity: .5; }

/* ----- Vista detalle de curso (alumno, admin, empresa) ----- */
.curso-hero {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 2rem 2.25rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}
.curso-hero .curso-hero-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
  letter-spacing: -0.03em;
  line-height: 1.2;
}
.curso-hero .curso-hero-objetivo {
  background: var(--color-accent-light);
  border-left: 4px solid var(--color-accent);
  padding: 1rem 1.25rem;
  margin: 1rem 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.4;
}
.curso-hero .curso-hero-objetivo .curso-hero-objetivo-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent-hover);
  margin-bottom: 0.35rem;
}
.curso-hero .curso-hero-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 1rem;
}
.curso-hero .curso-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}
.curso-hero .badge-curso {
  background: var(--color-accent-light);
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.8125rem;
  padding: 0.4em 0.75em;
  border-radius: var(--radius-sm);
}
.curso-progress-wrap {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}
.curso-progress-wrap .form-label { color: var(--color-text-muted); font-size: 0.8125rem; }
.curso-progress-wrap .progress { height: 1rem; }
.curso-progress-wrap .progress-bar {
  background: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 600;
}
.curso-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.curso-actions .btn { font-weight: 500; }

/* Cada módulo como card separada con estilo propio */
.curso-modulo-card {
  margin-bottom: 1.25rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}
.curso-modulo-card:hover { box-shadow: var(--shadow-md); }
.curso-modulo-card:nth-child(4n+1) { border-left: 4px solid var(--color-accent); }
.curso-modulo-card:nth-child(4n+2) { border-left: 4px solid var(--color-accent2); }
.curso-modulo-card:nth-child(4n+3) { border-left: 4px solid var(--color-primary); }
.curso-modulo-card:nth-child(4n) { border-left: 4px solid var(--color-accent-hover); }
.curso-modulo-card .curso-modulo-header {
  padding: 1rem 1.25rem;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-primary);
  background: #fafbfc;
  border-bottom: 1px solid var(--color-border);
}
.curso-modulo-card:nth-child(4n+1) .curso-modulo-header { background: linear-gradient(90deg, var(--color-accent-light) 0%, #fff 100%); }
.curso-modulo-card:nth-child(4n+2) .curso-modulo-header { background: linear-gradient(90deg, var(--color-accent2-light) 0%, #fff 100%); }
.curso-modulo-card:nth-child(4n+3) .curso-modulo-header { background: linear-gradient(90deg, var(--color-primary-light) 0%, #fff 100%); }
.curso-modulo-card:nth-child(4n) .curso-modulo-header { background: linear-gradient(90deg, #e0f7fb 0%, #fff 100%); }
.curso-modulo-card .curso-modulo-body {
  padding: 1rem 1.25rem;
  background: #fff;
}
.curso-leccion {
  padding: 0.75rem 1rem;
  margin: 0.5rem 0;
  background: #f8fafc;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-accent);
}
.curso-modulo-card:nth-child(4n+2) .curso-leccion { border-left-color: var(--color-accent2); }
.curso-modulo-card:nth-child(4n+3) .curso-leccion { border-left-color: var(--color-primary); }
.curso-modulo-card:nth-child(4n) .curso-leccion { border-left-color: var(--color-accent-hover); }
.curso-leccion-titulo {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.15rem;
}
.curso-leccion-desc {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-top: 0.25rem;
}
.curso-leccion-acciones {
  margin-top: 0.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.curso-leccion-acciones .btn { font-size: 0.8125rem; }
.curso-empty {
  text-align: center;
  padding: 2.5rem 1.5rem;
  color: var(--color-text-muted);
  font-size: 1rem;
}
.curso-empty .bi { font-size: 2.5rem; opacity: .4; margin-bottom: 0.5rem; }
/* ----- Mobile Responsive (skill: mobile-responsive-optimization) ----- */
/* Breakpoints: 1023px (tablet), 768px (móvil), 480px (móvil pequeño) */
/* Solo overrides dentro de media queries - desktop no se modifica */

@media (max-width: 1023px) {
  img, .image, .media-content, video, iframe {
    max-width: 100%;
    height: auto;
  }
  .media-container, .image-wrapper {
    width: 100%;
    overflow: hidden;
  }
}

@media (max-width: 768px) {
  /* Header fijo solo en móvil */
  .navbar-app,
  .navbar-app.navbar-app-empresa {
    position: fixed !important;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    width: 100%;
  }

  /* Main content y contenedores - padding-top para compensar header fijo */
  .main-app {
    padding-top: calc(1rem + 56px);
    padding-bottom: 2rem;
  }
  .container, .container-fluid, .container-xl {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  /* Navbar */
  .navbar-app {
    padding: 0.5rem 1rem;
  }
  .navbar-app .navbar-brand {
    font-size: 1rem;
  }
  .navbar-app .navbar-brand img,
  .navbar-app-empresa .navbar-brand img {
    max-height: 44px;
    width: auto;
  }
  .navbar-app .nav-link,
  .navbar-app-empresa .nav-link {
    min-height: 44px;
    min-width: 44px;
    padding: 0.75rem 1rem !important;
    display: flex;
    align-items: center;
  }
  .navbar-app .btn-outline-light,
  .navbar-app .btn-sm {
    min-height: 44px;
    padding: 0.5rem 1rem;
  }
  .navbar-text {
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  /* Touch targets - botones y elementos interactivos */
  button, .btn, a[role="button"], input[type="submit"], input[type="button"],
  .nav-link, .navbar-text + .btn {
    min-height: 44px;
    min-width: 44px;
    padding: 0.75rem 1.25rem;
  }
  .btn-sm {
    min-height: 44px;
    min-width: 44px;
    padding: 0.5rem 0.75rem;
  }
  .btn-group .btn {
    min-width: 44px;
  }
  .d-flex.gap-1 {
    gap: 0.5rem;
  }

  /* Tipografía responsive */
  h1, .heading-large, .page-title {
    font-size: clamp(1.25rem, 5vw, 1.5rem);
  }
  .section-title {
    font-size: 1rem;
  }
  body, p, .text-content {
    font-size: 1rem;
    line-height: 1.6;
  }
  small, .text-small {
    font-size: 0.875rem;
  }

  /* Cards y grids */
  .card-app .card-header {
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
  }
  .card-app .card-body {
    padding: 1rem;
  }
  .card-app .card-footer {
    padding: 0.75rem 1rem;
  }
  .row {
    --bs-gutter-x: 1rem;
  }
  .col-sm-6, .col-md-4, .col-md-6, .col-lg-3 {
    margin-bottom: 0.75rem;
  }

  /* Dashboard cards - stack en móvil */
  .d-flex.justify-content-between.align-items-center {
    flex-wrap: wrap;
    gap: 0.75rem;
  }
  .d-flex.justify-content-between.align-items-center .btn {
    width: 100%;
  }

  /* Formularios móviles */
  form, .form-container {
    max-width: 100%;
    width: 100%;
  }
  input[type="text"], input[type="email"], input[type="tel"], input[type="password"],
  input[type="number"], input[type="url"], input[type="search"],
  textarea, select, .form-control, .form-select {
    width: 100%;
    min-height: 44px;
    font-size: 16px;
    padding: 0.75rem;
  }
  textarea.form-control {
    min-height: 88px;
  }
  .form-check-input {
    min-width: 20px;
    min-height: 20px;
  }
  .form-section {
    padding: 0.75rem 1rem;
  }
  .row.g-2 .col-md-4,
  .row.g-2 .col-md-3,
  .row.g-2 .col-md-2 {
    flex: 0 0 100%;
    max-width: 100%;
  }

  /* Tablas responsive */
  .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -1rem;
    padding: 0 1rem;
  }
  .table-app {
    font-size: 0.875rem;
  }
  .table-app thead th,
  .table-app tbody td {
    padding: 0.5rem 0.75rem;
  }
  .table-app .d-flex.gap-1 {
    flex-wrap: wrap;
  }

  /* Card headers con botones - stack en móvil */
  .card-header.d-flex.justify-content-between.align-items-center,
  .card-header .d-flex.justify-content-between.align-items-start {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }
  .card-header .d-flex.gap-1,
  .card-header span.d-flex {
    flex-wrap: wrap;
  }

  /* Curso hero y módulos */
  .curso-hero {
    padding: 1.25rem 1rem;
  }
  .curso-hero .curso-hero-title {
    font-size: clamp(1.25rem, 5vw, 1.5rem);
  }
  .curso-hero .curso-hero-objetivo {
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
  }
  .curso-hero .curso-hero-meta {
    flex-direction: column;
    align-items: flex-start;
  }
  .curso-modulo-card .curso-modulo-header {
    font-size: 1rem;
    padding: 0.75rem 1rem;
  }
  .curso-modulo-card .curso-modulo-body {
    padding: 0.75rem 1rem;
  }
  .curso-leccion {
    padding: 0.5rem 0.75rem;
    margin-left: 0;
  }
  .curso-leccion-acciones {
    flex-wrap: wrap;
  }
  .curso-actions {
    flex-direction: column;
  }
  .curso-actions .btn {
    width: 100%;
  }

  /* Course cards (alumno/empresa) */
  .course-card .course-card-body {
    padding: 1rem;
  }
  .course-card .course-card-title {
    font-size: 0.9375rem;
  }
  .course-card-actions {
    flex-wrap: wrap;
  }

  /* Modals */
  .modal-dialog {
    margin: 0.5rem;
    max-width: calc(100% - 1rem);
  }
  .modal-content {
    max-height: calc(100vh - 1rem);
    overflow-y: auto;
  }
  .modal-header, .modal-footer {
    padding: 0.75rem 1rem;
  }
  .modal-body {
    padding: 1rem;
  }
  .modal.show.d-block .modal-dialog {
    margin: 1rem auto;
  }

  /* Pagination */
  .card-footer .d-flex.justify-content-between {
    flex-direction: column;
    gap: 0.75rem;
    align-items: stretch;
  }
  .card-footer nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    justify-content: center;
  }
  .pagination .btn {
    min-width: 44px;
    min-height: 44px;
  }

  /* Empty state */
  .empty-state {
    padding: 1.5rem 1rem;
  }

  /* Input group en formularios de búsqueda */
  .input-group {
    flex-direction: column;
    max-width: 100% !important;
  }
  .input-group .form-control {
    border-radius: var(--radius-md);
  }
  .input-group .btn {
    border-radius: var(--radius-md);
  }
}

@media (max-width: 480px) {
  .main-app {
    padding-top: 0.75rem;
    padding-bottom: 1.5rem;
  }
  .container, .container-fluid, .container-xl {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }
  .card-app .card-body {
    padding: 0.75rem 1rem;
  }
  .curso-hero {
    padding: 1rem 0.75rem;
  }
  .navbar-app .navbar-brand span {
    font-size: 0.9rem;
  }
  form .d-flex.gap-2 {
    flex-direction: column;
  }
  form .d-flex.gap-2 .btn {
    width: 100%;
  }
}

/* Preferencias de movimiento reducido (accesibilidad) */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ----- Utilidades ----- */
.shadow-app { box-shadow: var(--shadow-md); }
.rounded-app { border-radius: var(--radius-lg); }
.link-app { color: var(--color-accent); font-weight: 500; }
.link-app:hover { color: var(--color-accent-hover); text-decoration: underline; }
.fw-600 { font-weight: 600; }