/* =====================================================================
   KOOLTIVO — Hoja de estilos principal v2.0
   Paleta basada en el logo e identidad de marca
   ===================================================================== */

:root {
  --kv-primary: #0b6e9e;
  --kv-primary-dark: #073f5c;
  --kv-primary-darker: #052c40;
  --kv-navy: #2b3570;
  --kv-gold: #f5a623;
  --kv-gold-dark: #d88e0f;
  --kv-teal: #6fc3c4;
  --kv-teal-dark: #4fa9aa;
  --kv-bg: #f4f7fa;
  --kv-white: #ffffff;
  --kv-text: #1a2733;
  --kv-text-soft: #5a6a78;
  --kv-border: #e0e8f0;
  --kv-success: #1e8e4a;
  --kv-danger: #c93838;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 22px;
  --shadow-xs: 0 1px 4px rgba(11,110,158,0.06);
  --shadow-sm: 0 2px 12px rgba(11,110,158,0.08);
  --shadow-md: 0 8px 28px rgba(11,110,158,0.13);
  --shadow-lg: 0 20px 50px rgba(11,110,158,0.17);
  --font-display: 'Poppins', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --sidebar-w: 268px;
  --topbar-h: 68px;
  --transition: all .2s cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--kv-text);
  background: var(--kv-bg);
  overflow-x: hidden;
  line-height: 1.6;
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #c3cfd9; border-radius: 50px; }
::-webkit-scrollbar-thumb:hover { background: #9fb0c2; }
* { scrollbar-width: thin; scrollbar-color: #c3cfd9 transparent; }

h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--kv-primary-dark);
  line-height: 1.25;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; }
::selection { background: var(--kv-teal); color: #fff; }

a:focus-visible,button:focus-visible,input:focus-visible,
textarea:focus-visible,select:focus-visible {
  outline: 2px solid var(--kv-gold);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------------------------------------------------------------- */
/* Botones                                                           */
/* ---------------------------------------------------------------- */
.btn {
  border-radius: 50px;
  font-weight: 600;
  padding: 0.58rem 1.5rem;
  font-size: .9rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  border: 2px solid transparent;
  letter-spacing: .1px;
}
.btn:active { transform: translateY(0) !important; }

.btn-kv-primary {
  background: var(--kv-primary);
  border-color: var(--kv-primary);
  color: #fff;
}
.btn-kv-primary:hover {
  background: var(--kv-primary-dark);
  border-color: var(--kv-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(11,110,158,.35);
}

.btn-kv-navy {
  background: var(--kv-navy);
  border-color: var(--kv-navy);
  color: #fff;
}
.btn-kv-navy:hover {
  background: #1f2758;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(43,53,112,.35);
}

.btn-kv-teal {
  background: var(--kv-teal);
  border-color: var(--kv-teal);
  color: var(--kv-primary-darker);
  font-weight: 700;
}
.btn-kv-teal:hover {
  background: var(--kv-teal-dark);
  border-color: var(--kv-teal-dark);
  color: var(--kv-primary-darker);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(111,195,196,.4);
}

.btn-kv-gold {
  background: var(--kv-gold);
  border-color: var(--kv-gold);
  color: #3a1e00;
}
.btn-kv-gold:hover {
  background: var(--kv-gold-dark);
  border-color: var(--kv-gold-dark);
  color: #2a1400;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245,166,35,.35);
}

.btn-kv-outline {
  background: transparent;
  border-color: var(--kv-primary);
  color: var(--kv-primary);
}
.btn-kv-outline:hover {
  background: var(--kv-primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-kv-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--kv-primary);
  padding: .5rem 1rem;
}
.btn-kv-ghost:hover { background: rgba(11,110,158,.07); }

.btn-sm { padding: .38rem 1rem; font-size: .82rem; }
.btn-lg { padding: .78rem 2rem; font-size: 1rem; }

/* ---------------------------------------------------------------- */
/* Formularios                                                       */
/* ---------------------------------------------------------------- */
.form-control, .form-select {
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--kv-border);
  padding: 0.65rem 1rem;
  font-size: .9rem;
  color: var(--kv-text);
  background: #fff;
  transition: var(--transition);
  box-shadow: none;
}
.form-control:focus, .form-select:focus {
  border-color: var(--kv-primary);
  box-shadow: 0 0 0 3px rgba(11,110,158,.12);
  outline: none;
}
.form-control::placeholder { color: #a8b6c4; }
textarea.form-control { border-radius: var(--radius-sm); resize: vertical; }
.form-label { font-weight: 600; font-size: .875rem; color: var(--kv-text); margin-bottom: .4rem; }

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' viewBox='0 0 12 7'%3E%3Cpath d='M1 1l5 4.5L11 1' stroke='%230b6e9e' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 12px 7px;
  padding-right: 2.6rem;
}
.form-select-sm { padding: .38rem .8rem; font-size: .82rem; }
.form-control-sm { padding: .38rem .8rem; font-size: .82rem; }

.form-check-input {
  width: 1.15em; height: 1.15em;
  border: 1.5px solid #c8d3dd;
  border-radius: .35em;
  cursor: pointer;
  transition: var(--transition);
  accent-color: var(--kv-primary);
}
.form-check-input:checked { background-color: var(--kv-primary); border-color: var(--kv-primary); }
.form-check-input:focus { box-shadow: 0 0 0 3px rgba(11,110,158,.12); border-color: var(--kv-primary); }
.form-check-label { cursor: pointer; font-size: .88rem; }

.form-switch .form-check-input {
  width: 2.6em; height: 1.4em;
  border-radius: 50px;
  border: none;
  background-color: #cdd6e2;
}
.form-switch .form-check-input:checked { background-color: var(--kv-primary); }

input[type="file"].form-control {
  border-style: dashed;
  background: #f8fafc;
  padding: .55rem .8rem;
  cursor: pointer;
}
input[type="file"].form-control::file-selector-button {
  background: var(--kv-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: .4rem 1rem;
  margin-right: .8rem;
  font-weight: 700;
  font-size: .8rem;
  cursor: pointer;
  transition: background .2s ease;
}
input[type="file"].form-control:hover::file-selector-button { background: var(--kv-primary-dark); }

/* Auth inputs */
.kv-input-soft {
  background: #edf1f8;
  border: 1.5px solid transparent;
  border-radius: var(--radius-sm);
  padding: 0.88rem 1.1rem;
  font-size: 1rem; /* mínimo 16px para evitar zoom en iOS */
  width: 100%;
  color: var(--kv-text);
  transition: var(--transition);
}
.kv-input-soft:focus {
  outline: none;
  background: #fff;
  border-color: var(--kv-primary);
  box-shadow: 0 0 0 3px rgba(11,110,158,.1);
}
.kv-input-soft::placeholder { color: #96a8bc; }

.kv-check-soft { width: 18px; height: 18px; border-radius: 5px; border: 1.5px solid #c8d3dd; }
.kv-check-soft:checked { background-color: var(--kv-primary); border-color: var(--kv-primary); }

.kv-btn-auth {
  background: linear-gradient(135deg, var(--kv-primary-dark), var(--kv-primary));
  border: none;
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  padding: 0.92rem;
  width: 100%;
  transition: var(--transition);
  letter-spacing: .2px;
}
.kv-btn-auth:hover {
  background: linear-gradient(135deg, var(--kv-primary-darker), var(--kv-primary-dark));
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(11,110,158,.35);
}

/* ---------------------------------------------------------------- */
/* Badges & Pills                                                    */
/* ---------------------------------------------------------------- */
.badge {
  border-radius: 50px;
  font-weight: 700;
  padding: .35em .85em;
  font-size: .7rem;
  letter-spacing: .2px;
}
.badge.bg-success { background: #ddf3e8 !important; color: #136b37 !important; }
.badge.bg-secondary { background: #eef1f6 !important; color: #5e6b78 !important; }
.badge.bg-danger { background: #fce8e8 !important; color: #a52929 !important; }
.badge.bg-kv-primary, .badge.bg-primary { background: rgba(11,110,158,.1) !important; color: var(--kv-primary) !important; }
.badge.rounded-pill.bg-danger { background: var(--kv-danger) !important; color: #fff !important; }
.badge.bg-warning { background: #fef3db !important; color: #8a5a00 !important; }

/* ---------------------------------------------------------------- */
/* Alertas                                                           */
/* ---------------------------------------------------------------- */
.alert {
  border-radius: var(--radius-sm);
  border: none;
  font-weight: 500;
  font-size: .875rem;
  display: flex;
  align-items: flex-start;
  gap: .7rem;
}
.alert-success { background: #ddf3e8; color: #136b37; }
.alert-danger { background: #fce8e8; color: #a52929; }
.alert-info { background: #e2f0fa; color: var(--kv-primary-dark); }
.alert-warning { background: #fef3db; color: #7a4e00; }

/* ---------------------------------------------------------------- */
/* Dropdown menus                                                    */
/* ---------------------------------------------------------------- */
.dropdown-menu {
  border-radius: var(--radius-sm);
  border: 1px solid var(--kv-border);
  box-shadow: 0 10px 30px rgba(11,110,158,.14);
  padding: .5rem;
  animation: kvDropIn .15s ease;
}
@keyframes kvDropIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}
.dropdown-item {
  border-radius: 8px;
  padding: .55rem .8rem;
  font-weight: 500;
  font-size: .875rem;
  color: var(--kv-text);
  transition: background .12s ease;
}
.dropdown-item:hover { background: var(--kv-bg); color: var(--kv-primary); }
.dropdown-item.text-danger:hover { background: #fce8e8; color: var(--kv-danger); }
.dropdown-item-text { font-size: .8rem; padding: .4rem .8rem; }

/* ---------------------------------------------------------------- */
/* Accordion                                                         */
/* ---------------------------------------------------------------- */
.accordion-item {
  border: 1px solid var(--kv-border) !important;
  border-radius: var(--radius-sm) !important;
  overflow: hidden;
  margin-bottom: .5rem;
}
.accordion-button {
  font-weight: 700;
  font-size: .9rem;
  color: var(--kv-primary-dark);
  background: #fff;
  border-radius: var(--radius-sm) !important;
}
.accordion-button:not(.collapsed) {
  background: rgba(11,110,158,.05);
  color: var(--kv-primary);
  box-shadow: none;
}
.accordion-button:focus { box-shadow: 0 0 0 3px rgba(11,110,158,.1); }

/* ---------------------------------------------------------------- */
/* Paginación                                                        */
/* ---------------------------------------------------------------- */
.pagination .page-link {
  border: none;
  border-radius: 9px !important;
  margin: 0 3px;
  color: var(--kv-primary-dark);
  font-weight: 600;
  font-size: .875rem;
  padding: .45rem .8rem;
  transition: var(--transition);
}
.pagination .page-item.active .page-link { background: var(--kv-primary); color: #fff; box-shadow: 0 4px 12px rgba(11,110,158,.3); }
.pagination .page-link:hover { background: var(--kv-border); }

/* ---------------------------------------------------------------- */
/* Modals                                                            */
/* ---------------------------------------------------------------- */
.modal-content { border-radius: var(--radius); border: none; box-shadow: var(--shadow-lg); }
.modal-header { padding: 1.5rem 1.75rem .5rem; }
.modal-body { padding: 1rem 1.75rem; }
.modal-footer { padding: .5rem 1.75rem 1.5rem; }

/* ---------------------------------------------------------------- */
/* Topbar público                                                    */
/* ---------------------------------------------------------------- */
.kv-topbar {
  background: linear-gradient(90deg, var(--kv-primary-dark), var(--kv-primary) 60%, var(--kv-teal-dark));
  color: #fff;
  text-align: center;
  padding: 0.5rem 1rem;
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .1px;
}
.kv-topbar .hl-gold { color: var(--kv-gold); font-weight: 700; }

/* ---------------------------------------------------------------- */
/* Navbar pública                                                    */
/* ---------------------------------------------------------------- */
.kv-navbar {
  background: #fff;
  box-shadow: 0 1px 0 var(--kv-border);
  padding: .75rem 0;
  position: sticky;
  top: 0;
  z-index: 1030;
  transition: box-shadow .3s ease;
}
.kv-navbar.scrolled { box-shadow: 0 2px 20px rgba(11,110,158,.1); }
.kv-navbar .navbar-brand img { height: 38px; }
.kv-navbar .nav-link {
  color: var(--kv-text);
  font-weight: 600;
  font-size: .875rem;
  margin: 0 .2rem;
  padding: .45rem .7rem;
  border-radius: 8px;
  transition: var(--transition);
}
.kv-navbar .nav-link:hover, .kv-navbar .nav-link.active {
  color: var(--kv-primary);
  background: rgba(11,110,158,.07);
}

.kv-search {
  border-radius: 50px !important;
  border: 1.5px solid var(--kv-border) !important;
  padding: .5rem 1rem .5rem 2.4rem !important;
  font-size: .875rem;
  min-width: 210px;
  background: var(--kv-bg) !important;
  transition: var(--transition);
}
.kv-search:focus {
  border-color: var(--kv-primary) !important;
  background: #fff !important;
  box-shadow: 0 0 0 3px rgba(11,110,158,.1) !important;
  min-width: 240px;
}
.kv-search-wrap { position: relative; }
.kv-search-wrap i {
  position: absolute; left: .9rem; top: 50%;
  transform: translateY(-50%);
  color: var(--kv-primary);
  opacity: .55;
  font-size: .9rem;
  pointer-events: none;
}

.kv-avatar-btn { display: inline-flex; align-items: center; }
.kv-avatar-btn .avatar-fallback,
.kv-avatar-btn img {
  width: 40px; height: 40px;
  border-radius: 50%;
  object-fit: cover;
  background: linear-gradient(135deg, var(--kv-primary), var(--kv-teal-dark));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 2px 8px rgba(11,110,158,.2);
  transition: var(--transition);
}
.kv-avatar-btn:hover .avatar-fallback { box-shadow: 0 4px 14px rgba(11,110,158,.3); transform: scale(1.05); }
.kv-avatar-btn.dropdown-toggle::after { display: none; }
.kv-icon-btn.dropdown-toggle::after { display: none; }

/* ---------------------------------------------------------------- */
/* Hero público                                                      */
/* ---------------------------------------------------------------- */
.kv-hero {
  background: linear-gradient(130deg, var(--kv-primary-darker) 0%, var(--kv-primary-dark) 45%, #0d5c88 75%, #0d7a8f 100%);
  color: #fff;
  padding: 5rem 0 7rem;
  position: relative;
  overflow: hidden;
}
.kv-hero::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  border: 70px solid rgba(255,255,255,.04);
  top: -250px; right: -180px;
  pointer-events: none;
}
.kv-hero::after {
  content: '';
  position: absolute;
  width: 350px; height: 350px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245,166,35,.15) 0%, transparent 70%);
  bottom: -140px; left: -60px;
  pointer-events: none;
}
.kv-hero h1 { color: #fff; font-size: clamp(1.9rem, 4vw, 2.9rem); line-height: 1.15; }
.kv-hero p.lead { color: rgba(255,255,255,.88); font-size: 1.05rem; }
.kv-hero .kv-hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.22);
  backdrop-filter: blur(8px);
  border-radius: 50px;
  padding: .35rem .9rem;
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--kv-gold);
  margin-bottom: 1.2rem;
}
.kv-hero .kv-hero-badge i { color: var(--kv-gold); }

.kv-hero-stats .stat-box {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(10px);
  border-radius: var(--radius);
  padding: 1.1rem 1.4rem;
}
.kv-hero-stats .stat-box strong {
  font-size: 1.7rem;
  display: block;
  font-family: var(--font-display);
  color: #fff;
  line-height: 1;
}
.kv-hero-stats .stat-box span { font-size: .78rem; color: rgba(255,255,255,.75); font-weight: 500; }

.kv-hero-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 70px rgba(0,0,0,.3);
}

/* Wave divider */
.kv-hero-wave {
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  line-height: 0;
}
.kv-hero-wave svg { display: block; width: 100%; }

/* ---------------------------------------------------------------- */
/* Sección de características                                        */
/* ---------------------------------------------------------------- */
.kv-features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.5rem; }
.kv-feature-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--kv-border);
  padding: 1.6rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.kv-feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--kv-primary), var(--kv-teal));
  transform: scaleX(0);
  transition: transform .3s ease;
  transform-origin: left;
}
.kv-feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.kv-feature-card:hover::before { transform: scaleX(1); }
.kv-feature-card .fc-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}
.kv-feature-card h5 { font-size: .975rem; margin-bottom: .4rem; }
.kv-feature-card p { font-size: .84rem; color: var(--kv-text-soft); margin: 0; }

/* ---------------------------------------------------------------- */
/* Categorías (home)                                                 */
/* ---------------------------------------------------------------- */
.kv-section-label {
  font-size: .72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--kv-primary);
}
.kv-section-title {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 800;
  color: var(--kv-primary-dark);
  line-height: 1.2;
}

.kv-cat-chip {
  display: flex; align-items: center; gap: .7rem;
  padding: 1.1rem 1.4rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: .95rem;
  color: #fff;
  box-shadow: var(--shadow-sm);
  border: none;
  transition: var(--transition);
  text-decoration: none;
  width: 100%;
}
.kv-cat-chip:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); color: #fff; }
.kv-cat-chip i { font-size: 1.25rem; }
.kv-cat-chip.cc-blue { background: linear-gradient(135deg, var(--kv-primary), #0d88b8); }
.kv-cat-chip.cc-gold { background: linear-gradient(135deg, var(--kv-gold-dark), #c97d00); color: #fff; }
.kv-cat-chip.cc-navy { background: linear-gradient(135deg, var(--kv-navy), #1e2a6c); }
.kv-cat-chip.cc-teal { background: linear-gradient(135deg, var(--kv-teal-dark), #2d8f90); }

/* ---------------------------------------------------------------- */
/* Tarjetas de curso                                                 */
/* ---------------------------------------------------------------- */
.kv-course-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 14px rgba(11,110,158,.07);
  border: 1px solid var(--kv-border);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.kv-course-card:hover {
  transform: translateY(-7px);
  box-shadow: 0 20px 50px rgba(11,110,158,.17);
  border-color: transparent;
}
.kv-course-card .thumb-wrap { position: relative; }
.kv-course-card .thumb {
  height: 172px;
  width: 100%;
  object-fit: cover;
  display: block;
  background: linear-gradient(135deg, var(--kv-primary), var(--kv-teal-dark));
}
.kv-course-card .card-body {
  padding: 1.15rem 1.3rem 1.4rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.kv-course-card .course-title {
  color: var(--kv-primary-dark);
  font-weight: 700;
  font-size: 1rem;
  margin-top: .4rem;
  display: block;
  line-height: 1.3;
  transition: color .15s ease;
}
.kv-course-card:hover .course-title { color: var(--kv-primary); }
.kv-course-card .course-desc {
  color: var(--kv-text-soft);
  font-size: .83rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: .3rem;
  line-height: 1.55;
}
.kv-course-card .card-footer-row {
  margin-top: auto;
  padding-top: .9rem;
  border-top: 1px solid var(--kv-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.kv-badge-free {
  color: var(--kv-primary);
  font-weight: 800;
  font-size: .74rem;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.kv-mini-avatar {
  width: 26px; height: 26px; border-radius: 50%;
  background: linear-gradient(135deg, var(--kv-primary), var(--kv-teal-dark));
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: .68rem; font-weight: 700;
  flex-shrink: 0;
}
.kv-cat-pill-float {
  position: absolute; top: .75rem; left: .75rem;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  padding: .28rem .75rem;
  border-radius: 50px;
  font-size: .65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .5px;
  box-shadow: 0 2px 8px rgba(0,0,0,.12);
}
.kv-level-pill-float {
  position: absolute; top: .75rem; right: .75rem;
  background: rgba(5,44,64,.78);
  backdrop-filter: blur(6px);
  color: #fff;
  padding: .26rem .65rem;
  border-radius: 50px;
  font-size: .62rem;
  font-weight: 700;
  text-transform: capitalize;
}
.kv-cat-pill {
  display: inline-block;
  font-size: .68rem; font-weight: 700;
  text-transform: uppercase;
  padding: .22rem .65rem;
  border-radius: 50px;
  color: #fff;
}

/* ---------------------------------------------------------------- */
/* App Shell                                                         */
/* ---------------------------------------------------------------- */
.kv-app-shell { display: flex; min-height: 100vh; background: #f0f4f8; }

.kv-app-sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: linear-gradient(185deg, var(--kv-primary-darker) 0%, #074567 55%, #063550 100%);
  color: rgba(255,255,255,.85);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 1040;
  transition: transform .28s cubic-bezier(.4,0,.2,1);
  display: flex;
  flex-direction: column;
}
.kv-app-sidebar .brand {
  padding: 1.5rem 1.4rem 1rem;
  display: flex; align-items: center; gap: .6rem;
  border-bottom: 1px solid rgba(255,255,255,.07);
  flex-shrink: 0;
}
.kv-app-sidebar .brand img { height: 28px; filter: brightness(0) invert(1); }
.kv-app-sidebar .brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
  letter-spacing: .3px;
}

.kv-app-sidebar .role-badge {
  margin: .8rem 1.4rem .6rem;
  padding: .3rem .8rem;
  background: rgba(245,166,35,.15);
  border: 1px solid rgba(245,166,35,.25);
  border-radius: 50px;
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
  display: inline-block;
  color: var(--kv-gold);
}

.kv-app-nav { padding: .5rem .9rem 1rem; flex-grow: 1; }
.kv-app-nav .nav-section-title {
  font-size: .64rem;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: rgba(255,255,255,.33);
  padding: 1rem .6rem .35rem;
  font-weight: 700;
}
.kv-app-nav a {
  display: flex; align-items: center; gap: .75rem;
  padding: .6rem .75rem;
  border-radius: 10px;
  color: rgba(255,255,255,.75);
  font-weight: 600;
  font-size: .875rem;
  margin-bottom: .2rem;
  text-decoration: none;
  transition: var(--transition);
}
.kv-app-nav a i {
  width: 32px; height: 32px;
  border-radius: 9px;
  background: rgba(255,255,255,.06);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  transition: var(--transition);
}
.kv-app-nav a:hover { background: rgba(255,255,255,.08); color: #fff; }
.kv-app-nav a:hover i { background: rgba(255,255,255,.12); }
.kv-app-nav a.active { background: rgba(255,255,255,.1); color: #fff; }
.kv-app-nav a.active i {
  background: var(--kv-primary);
  box-shadow: 0 4px 14px rgba(11,110,158,.4);
}

.kv-sidebar-user {
  padding: 1rem 1.4rem;
  border-top: 1px solid rgba(255,255,255,.07);
  display: flex;
  align-items: center;
  gap: .7rem;
  flex-shrink: 0;
}
.kv-sidebar-user .su-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: linear-gradient(135deg, var(--kv-primary), var(--kv-teal-dark));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .85rem; flex-shrink: 0;
}
.kv-sidebar-user .su-name { font-size: .82rem; font-weight: 600; color: #fff; line-height: 1.2; }
.kv-sidebar-user .su-role { font-size: .7rem; color: rgba(255,255,255,.5); }

/* ---------------------------------------------------------------- */
/* App Topbar                                                        */
/* ---------------------------------------------------------------- */
.kv-app-main { flex-grow: 1; min-width: 0; display: flex; flex-direction: column; }

.kv-app-topbar {
  background: #fff;
  border-bottom: 1px solid var(--kv-border);
  padding: 0 1.75rem;
  height: var(--topbar-h);
  display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0;
  z-index: 1020;
  flex-shrink: 0;
}
.kv-app-topbar h1 {
  font-size: 1.2rem; font-weight: 800;
  margin: 0; color: var(--kv-primary-dark);
  line-height: 1.2;
}
.kv-app-topbar .greeting-sub { font-size: .76rem; color: var(--kv-text-soft); margin: 0; }

.kv-icon-btn {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--kv-bg);
  border: 1px solid var(--kv-border);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--kv-text-soft); font-size: 1rem;
  position: relative;
  transition: var(--transition);
}
.kv-icon-btn:hover { background: #fff; border-color: var(--kv-primary); color: var(--kv-primary); box-shadow: 0 2px 10px rgba(11,110,158,.12); }
.kv-icon-btn .kv-dot {
  position: absolute; top: 7px; right: 7px;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--kv-danger); border: 2px solid #fff;
}

.kv-notif-panel { width: 340px; max-height: 420px; overflow-y: auto; }
.kv-notif-item { display: flex; gap: .7rem; padding: .65rem .5rem; border-radius: 9px; transition: background .12s ease; }
.kv-notif-item:hover { background: var(--kv-bg); }
.kv-notif-item .icon {
  width: 32px; height: 32px; border-radius: 9px; flex-shrink: 0;
  background: rgba(11,110,158,.1); color: var(--kv-primary);
  display: flex; align-items: center; justify-content: center; font-size: .85rem;
}
.kv-notif-item.unread { background: rgba(11,110,158,.04); }

.kv-sidebar-toggle {
  display: none; background: none; border: none;
  font-size: 1.4rem; color: var(--kv-text);
  padding: .4rem; border-radius: 8px;
}
.kv-sidebar-toggle:hover { background: var(--kv-bg); color: var(--kv-primary); }
.kv-app-content { padding: 1.75rem; flex-grow: 1; }
.kv-app-sidebar-overlay { display: none; }

@media (max-width: 991px) {
  .kv-app-sidebar {
    position: fixed; left: 0;
    transform: translateX(-100%);
    box-shadow: 20px 0 50px rgba(0,0,0,.25);
  }
  .kv-app-sidebar.open { transform: translateX(0); }
  .kv-sidebar-toggle { display: inline-flex; align-items: center; }
  .kv-app-sidebar-overlay.open {
    display: block; position: fixed; inset: 0;
    background: rgba(5,20,30,.55); z-index: 1035;
    backdrop-filter: blur(2px);
  }
  .kv-app-content { padding: 1.25rem; }
  .kv-app-topbar { padding: 0 1rem; }
}

/* ---------------------------------------------------------------- */
/* Tabs del course builder                                           */
/* ---------------------------------------------------------------- */
.kv-tabs-builder {
  display: flex; gap: 0;
  border-bottom: 2px solid var(--kv-border);
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
  overflow-x: auto;
}
.kv-tabs-builder a {
  padding: .85rem 1.2rem;
  font-weight: 700; font-size: .85rem;
  color: var(--kv-text-soft);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  text-decoration: none;
  display: flex; align-items: center; gap: .45rem;
  white-space: nowrap;
  transition: var(--transition);
}
.kv-tabs-builder a:hover { color: var(--kv-primary-dark); }
.kv-tabs-builder a.active { color: var(--kv-primary); border-bottom-color: var(--kv-primary); }
.kv-tabs-builder a.disabled { opacity: .4; pointer-events: none; }
.kv-tabs-builder a .step-num {
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--kv-border); color: var(--kv-text-soft);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: .68rem; font-weight: 700;
  transition: var(--transition);
}
.kv-tabs-builder a.active .step-num { background: var(--kv-primary); color: #fff; }

/* ---------------------------------------------------------------- */
/* Tarjetas genéricas (dashboard)                                   */
/* ---------------------------------------------------------------- */
.kv-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--kv-border);
  box-shadow: var(--shadow-xs);
  padding: 1.5rem;
}
.kv-card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.2rem; gap: 1rem;
}
.kv-card-header h5, .kv-card-header h6 { margin: 0; }

.kv-stat-card {
  border-radius: var(--radius);
  padding: 1.4rem;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.kv-stat-card::after {
  content: '';
  position: absolute;
  width: 120px; height: 120px; border-radius: 50%;
  background: rgba(255,255,255,.06);
  top: -40px; right: -30px;
}
.kv-stat-card::before {
  content: '';
  position: absolute;
  width: 70px; height: 70px; border-radius: 50%;
  background: rgba(255,255,255,.04);
  bottom: -20px; left: -15px;
}
.kv-stat-card .icon-badge {
  width: 44px; height: 44px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,.18);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  margin-bottom: .8rem;
  position: relative; z-index: 1;
}
.kv-stat-card .num {
  font-family: var(--font-display);
  font-size: 2rem; font-weight: 800;
  color: #fff; position: relative; z-index: 1;
  line-height: 1.1;
}
.kv-stat-card .small { color: rgba(255,255,255,.88); position: relative; z-index: 1; font-size: .8rem; margin-top: .2rem; }
.kv-stat-card.bg-1 { background: linear-gradient(135deg, #0a7ab5, var(--kv-primary-dark)); }
.kv-stat-card.bg-2 { background: linear-gradient(135deg, #e09500, #b47400); }
.kv-stat-card.bg-3 { background: linear-gradient(135deg, #0e5c84, var(--kv-primary-darker)); }
.kv-stat-card.bg-4 { background: linear-gradient(135deg, var(--kv-navy), #1d2456); }

/* ---------------------------------------------------------------- */
/* Lista tipo tarjeta                                                */
/* ---------------------------------------------------------------- */
.kv-list {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--kv-border);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
}
.kv-list-head {
  display: flex; align-items: center;
  padding: .85rem 1.4rem;
  background: #fafbfc;
  font-size: .7rem; font-weight: 800;
  text-transform: uppercase; letter-spacing: .6px;
  color: var(--kv-text-soft);
  border-bottom: 1px solid var(--kv-border);
}
.kv-list-row {
  display: flex; align-items: center;
  padding: .95rem 1.4rem;
  border-bottom: 1px solid var(--kv-border);
  gap: 1rem;
  transition: background .12s ease;
}
.kv-list-row:last-child { border-bottom: none; }
.kv-list-row:hover { background: #fafbfc; }
.kv-list-thumb { width: 52px; height: 38px; object-fit: cover; border-radius: 8px; flex-shrink: 0; }
.kv-list-title { font-weight: 700; color: var(--kv-primary-dark); font-size: .875rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kv-list-sub { font-size: .775rem; color: var(--kv-text-soft); margin-top: .1rem; }

/* Columnas de la tabla de cursos */
.kv-col-course  { flex: 1 1 0; min-width: 0; overflow: hidden; }
.kv-col-cat     { width: 120px; flex-shrink: 0; }
.kv-col-num     { width: 85px; flex-shrink: 0; text-align: center; }
.kv-col-status  { width: 100px; flex-shrink: 0; }
.kv-col-actions { width: 155px; flex-shrink: 0; justify-content: flex-end; }

/* Tabla cursos admin */
.kv-courses-table { border-collapse: collapse; table-layout: fixed; }
.kv-courses-table thead th {
  padding: .85rem 1rem;
  font-size: .72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .5px; color: var(--kv-text-soft);
  background: var(--kv-bg); border-bottom: 1px solid var(--kv-border);
}
.kv-courses-table thead th:first-child { padding-left: 1.4rem; }
.kv-courses-table thead th:last-child  { padding-right: 1.4rem; }
.kv-courses-row td {
  padding: .95rem 1rem; border-bottom: 1px solid var(--kv-border);
  vertical-align: middle;
}
.kv-courses-row td:first-child { padding-left: 1.4rem; }
.kv-courses-row td:last-child  { padding-right: 1.4rem; }
.kv-courses-row:last-child td  { border-bottom: none; }
.kv-courses-row:hover td       { background: #fafbfc; }
.kv-list-empty { text-align: center; padding: 3rem 1.5rem; color: var(--kv-text-soft); font-size: .9rem; }

.kv-icon-action {
  width: 32px; height: 32px; border-radius: 8px;
  border: 1.5px solid var(--kv-border);
  background: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--kv-text-soft); font-size: .8rem;
  transition: var(--transition); cursor: pointer;
}
.kv-icon-action:hover { border-color: var(--kv-primary); color: var(--kv-primary); background: rgba(11,110,158,.06); }
.kv-icon-action.danger:hover { border-color: var(--kv-danger); color: var(--kv-danger); background: #fce8e8; }

/* ---------------------------------------------------------------- */
/* Sidebar catálogo                                                  */
/* ---------------------------------------------------------------- */
.kv-sidebar {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--kv-border);
  padding: 1.3rem;
  height: fit-content;
  box-shadow: var(--shadow-xs);
}
.kv-sidebar .nav-link {
  color: var(--kv-text);
  border-radius: 9px;
  padding: .55rem .85rem;
  font-weight: 600; font-size: .875rem;
  margin-bottom: .2rem;
  display: flex; align-items: center; gap: .55rem;
  transition: var(--transition);
}
.kv-sidebar .nav-link:hover { background: var(--kv-bg); color: var(--kv-primary); }
.kv-sidebar .nav-link.active { background: var(--kv-primary); color: #fff; }

/* ---------------------------------------------------------------- */
/* Progreso                                                          */
/* ---------------------------------------------------------------- */
.kv-progress {
  height: 8px; border-radius: 50px;
  background: #e4eaf0;
  overflow: hidden;
}
.kv-progress .progress-bar {
  background: linear-gradient(90deg, var(--kv-teal-dark), var(--kv-primary));
  border-radius: 50px;
  transition: width .6s cubic-bezier(.4,0,.2,1);
}

/* ---------------------------------------------------------------- */
/* Lecciones en el player                                           */
/* ---------------------------------------------------------------- */
.kv-lesson-item {
  border-radius: 9px;
  padding: .65rem .9rem;
  display: flex; align-items: center; gap: .65rem;
  color: var(--kv-text);
  border: 1px solid transparent;
  transition: var(--transition); font-size: .875rem;
}
.kv-lesson-item:hover { background: var(--kv-bg); color: var(--kv-primary); }
.kv-lesson-item.active {
  background: rgba(11,110,158,.08);
  border-color: rgba(11,110,158,.2);
  color: var(--kv-primary);
  font-weight: 600;
}
.kv-lesson-item.completed .lesson-check { color: var(--kv-success); }
.kv-lesson-item .lesson-num {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--kv-border); color: var(--kv-text-soft);
  display: flex; align-items: center; justify-content: center;
  font-size: .68rem; font-weight: 700; flex-shrink: 0;
}
.kv-lesson-item.active .lesson-num { background: var(--kv-primary); color: #fff; }
.kv-lesson-item.completed .lesson-num { background: #ddf3e8; color: var(--kv-success); }

/* ---------------------------------------------------------------- */
/* Auth                                                              */
/* ---------------------------------------------------------------- */
.kv-auth-wrap {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, #f0f6fb 0%, #e8f3fa 50%, #f4f0fb 100%);
  padding: 2rem 1rem;
  position: relative;
  overflow: hidden;
}
.kv-auth-wrap::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(11,110,158,.08) 0%, transparent 70%);
  top: -200px; right: -150px;
  pointer-events: none;
}
.kv-auth-wrap::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(245,166,35,.06) 0%, transparent 70%);
  bottom: -150px; left: -100px;
  pointer-events: none;
}
.kv-auth-card-solo {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 70px rgba(11,110,158,.13), 0 2px 8px rgba(11,110,158,.06);
  padding: 2.8rem 2.75rem;
  width: 100%;
  max-width: 460px;
  position: relative; z-index: 1;
}
.kv-auth-card-solo h3 { font-weight: 800; font-size: 1.65rem; color: var(--kv-primary-dark); }
.kv-auth-logo { height: 32px; margin-bottom: 1.6rem; }

.kv-auth-divider {
  display: flex; align-items: center; gap: 1rem;
  color: var(--kv-text-soft); font-size: .8rem; margin: 1.2rem 0;
}
.kv-auth-divider::before, .kv-auth-divider::after {
  content: ''; flex: 1; height: 1px; background: var(--kv-border);
}

.kv-auth-demo-note {
  max-width: 460px; margin: 1.2rem auto 0;
  font-size: .78rem; color: var(--kv-text-soft);
  text-align: center;
  background: #fff;
  border: 1px dashed var(--kv-border);
  border-radius: var(--radius-sm);
  padding: .8rem 1rem;
  position: relative; z-index: 1;
}
.kv-auth-demo-note code {
  background: var(--kv-bg); padding: .15rem .4rem;
  border-radius: 4px; font-size: .82em; color: var(--kv-primary);
}

/* ---------------------------------------------------------------- */
/* Footer                                                            */
/* ---------------------------------------------------------------- */
.kv-footer {
  background: var(--kv-primary-darker);
  color: rgba(255,255,255,.82);
  padding: 4rem 0 1.5rem;
  margin-top: 5rem;
}
.kv-footer h5 { color: #fff; font-weight: 700; margin-bottom: 1.1rem; font-size: .95rem; letter-spacing: .2px; }
.kv-footer a { color: rgba(255,255,255,.65); font-size: .875rem; }
.kv-footer a:hover { color: var(--kv-teal); }
.kv-footer p { font-size: .875rem; }
.kv-footer .footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  margin-top: 2.5rem; padding-top: 1.2rem;
  font-size: .8rem; text-align: center;
  color: rgba(255,255,255,.45);
}
.kv-footer-social a {
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.2);
  display: inline-flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.65); font-size: .9rem;
  transition: var(--transition);
}
.kv-footer-social a:hover {
  background: var(--kv-primary);
  border-color: var(--kv-primary);
  color: #fff;
  transform: translateY(-3px);
}

/* ---------------------------------------------------------------- */
/* Certificado                                                       */
/* ---------------------------------------------------------------- */
.kv-cert {
  background: #fff;
  border: 8px solid var(--kv-primary);
  border-radius: 12px;
  padding: 3.5rem;
  position: relative;
  box-shadow: 0 10px 40px rgba(11,110,158,.12);
}
.kv-cert::before {
  content: '';
  position: absolute; inset: 14px;
  border: 1.5px solid var(--kv-gold);
  border-radius: 7px;
  pointer-events: none;
  opacity: .7;
}

@media print {
  /* Ocultar todo el shell de la app */
  .kv-app-sidebar,
  .kv-app-topbar,
  .kv-app-sidebar-overlay,
  .kv-navbar,
  .kv-topbar,
  .no-print,
  nav,
  header { display: none !important; }

  /* Quitar el layout del app-shell */
  .kv-app-shell { display: block !important; }
  .kv-app-main  { display: block !important; margin: 0 !important; padding: 0 !important; }
  .kv-app-content { padding: 0 !important; }

  /* El certificado ocupa toda la página */
  body { background: #fff !important; margin: 0; padding: 0; }
  #kvCertContainer,
  .kv-cert { 
    box-shadow: none !important;
    page-break-inside: avoid;
    max-width: 100% !important;
    width: 100% !important;
    margin: 0 !important;
  }
  .kv-cert { border-color: var(--kv-primary) !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }

  /* Forzar orientación horizontal para certificados */
  @page { size: landscape; margin: 8mm; }
}
  body { background: #fff !important; }
}

/* ---------------------------------------------------------------- */
/* Select personalizado (JS)                                        */
/* ---------------------------------------------------------------- */
/* Select de rol en tabla usuarios — estilo propio sin custom JS */
select.kv-role-select {
  border: 1.5px solid var(--kv-border);
  border-radius: 8px;
  padding: .3rem .5rem;
  font-size: .8rem;
  color: var(--kv-text);
  background: #fff;
  cursor: pointer;
  outline: none;
  width: 100%;
  -webkit-appearance: auto;
  appearance: auto;
}
select.kv-role-select:focus {
  border-color: var(--kv-primary);
  box-shadow: 0 0 0 3px rgba(11,110,158,.12);
}

select.kv-native-hidden {
  position: absolute !important; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.kv-custom-select { position: relative; width: 100%; }
.kv-cs-trigger {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  background: #fff; border: 1.5px solid var(--kv-border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 1rem; font-size: .9rem;
  color: var(--kv-text); text-align: left;
  transition: var(--transition);
}
.kv-cs-sm .kv-cs-trigger { padding: .38rem .8rem; font-size: .82rem; border-radius: 8px; }
.kv-cs-trigger:hover { border-color: #afc0d0; }
.kv-custom-select.open .kv-cs-trigger, .kv-cs-trigger:focus {
  outline: none; border-color: var(--kv-primary);
  box-shadow: 0 0 0 3px rgba(11,110,158,.1);
}
.kv-cs-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kv-cs-chevron { color: var(--kv-primary); font-size: .72rem; margin-left: .5rem; transition: transform .2s ease; flex-shrink: 0; }
.kv-custom-select.open .kv-cs-chevron { transform: rotate(180deg); }
.kv-custom-select.disabled .kv-cs-trigger { opacity: .55; cursor: not-allowed; background: var(--kv-bg); }
.kv-cs-menu {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0;
  background: #fff; border-radius: var(--radius-sm);
  border: 1px solid var(--kv-border);
  box-shadow: 0 14px 40px rgba(11,110,158,.16);
  padding: .35rem; max-height: 260px; overflow-y: auto; z-index: 1060;
  opacity: 0; transform: translateY(-8px); pointer-events: none;
  transition: opacity .15s ease, transform .15s ease;
}
.kv-custom-select.open .kv-cs-menu { opacity: 1; transform: translateY(0); pointer-events: auto; }
.kv-cs-option {
  padding: .55rem .8rem; border-radius: 7px; font-size: .875rem;
  cursor: pointer; transition: background .1s ease;
}
.kv-cs-option:hover { background: var(--kv-bg); }
.kv-cs-option.selected { background: var(--kv-primary); color: #fff; font-weight: 600; }

/* ---------------------------------------------------------------- */
/* Utilidades                                                        */
/* ---------------------------------------------------------------- */
.text-kv-primary { color: var(--kv-primary) !important; }
.text-kv-gold { color: var(--kv-gold) !important; }
.text-kv-teal { color: var(--kv-teal-dark) !important; }
.bg-kv-primary { background: var(--kv-primary) !important; }
.rounded-kv { border-radius: var(--radius) !important; }

/* Reveal on scroll */
.kv-reveal { opacity: 0; transform: translateY(22px); transition: opacity .55s ease, transform .55s ease; }
.kv-reveal.kv-in { opacity: 1; transform: translateY(0); }

/* Empty state */
.kv-empty {
  text-align: center; padding: 4rem 2rem;
  color: var(--kv-text-soft);
}
.kv-empty i { font-size: 3rem; opacity: .3; margin-bottom: 1rem; display: block; }
.kv-empty h5 { color: var(--kv-text-soft); font-weight: 600; }

/* Responsive */
@media (max-width: 575px) {
  .kv-hero { padding: 3.5rem 0 5rem; }
  .kv-auth-card-solo { padding: 2.2rem 1.5rem; }
  .kv-app-content { padding: 1rem; }
  .kv-cert { padding: 2rem 1.5rem; }
}

/* ---------------------------------------------------------------- */
/* Contenido de lección (texto / HTML enriquecido)                  */
/* ---------------------------------------------------------------- */
.kv-lesson-text-content { line-height: 1.8; }
.kv-lesson-text-content h1,.kv-lesson-text-content h2,.kv-lesson-text-content h3,
.kv-lesson-text-content h4,.kv-lesson-text-content h5 {
  color: var(--kv-primary-dark);
  margin-top: 1.4rem;
  margin-bottom: .6rem;
}
.kv-lesson-text-content p { margin-bottom: .9rem; }
.kv-lesson-text-content pre {
  background: #1e2a36;
  color: #e8f0f8;
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
  font-size: .85rem;
  overflow-x: auto;
  margin: 1rem 0;
}
.kv-lesson-text-content code {
  background: rgba(11,110,158,.1);
  color: var(--kv-primary-dark);
  padding: .15em .4em;
  border-radius: 4px;
  font-size: .88em;
}
.kv-lesson-text-content pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}
.kv-lesson-text-content ul,.kv-lesson-text-content ol {
  padding-left: 1.5rem;
  margin-bottom: .9rem;
}
.kv-lesson-text-content li { margin-bottom: .3rem; }
.kv-lesson-text-content img { max-width: 100%; border-radius: var(--radius-sm); }
.kv-lesson-text-content blockquote {
  border-left: 4px solid var(--kv-primary);
  padding: .6rem 1rem;
  background: rgba(11,110,158,.05);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1rem 0;
  color: var(--kv-text-soft);
}
.kv-lesson-text-content table {
  width: 100%; border-collapse: collapse; margin: 1rem 0;
  font-size: .875rem;
}
.kv-lesson-text-content th {
  background: var(--kv-bg);
  color: var(--kv-primary-dark);
  font-weight: 700;
  padding: .5rem .75rem;
  border: 1px solid var(--kv-border);
}
.kv-lesson-text-content td {
  padding: .45rem .75rem;
  border: 1px solid var(--kv-border);
}

/* ---------------------------------------------------------------- */
/* Toast y modal de confirmación (reemplazo de alert/confirm)       */
/* ---------------------------------------------------------------- */
@keyframes kvToastIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Animación reutilizada por dropdowns y modales inline */
@keyframes kvDropIn {
  from { opacity: 0; transform: translateY(-8px) scale(.97); }
  to   { opacity: 1; transform: translateY(0)  scale(1); }
}

/* ---------------------------------------------------------------- */
/* Botón Google OAuth                                               */
/* ---------------------------------------------------------------- */
.kv-btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  width: 100%;
  padding: .85rem 1rem;
  background: #fff;
  border: 1.5px solid #dadce0;
  border-radius: var(--radius-sm);
  color: #3c4043;
  font-weight: 600;
  font-size: .94rem;
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 1px 3px rgba(0,0,0,.08);
}
.kv-btn-google:hover {
  background: #f8f9fa;
  border-color: #bdc1c6;
  color: #3c4043;
  box-shadow: 0 2px 8px rgba(0,0,0,.12);
  transform: translateY(-1px);
}

/* ---------------------------------------------------------------- */
/* Sistema de estrellas (calificación de cursos)                    */
/* ---------------------------------------------------------------- */
.kv-stars-display {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  line-height: 1;
}
.kv-stars-display .star {
  font-size: 1rem;
  color: #ddd;
}
.kv-stars-display .star.filled { color: #f5a623; }
.kv-stars-display .star.half   { color: #f5a623; }

/* Rating interactivo */
.kv-star-rating {
  display: inline-flex;
  flex-direction: row-reverse;
  gap: 4px;
}
.kv-star-rating input { display: none; }
.kv-star-rating label {
  font-size: 2rem;
  color: #ddd;
  cursor: pointer;
  transition: color .12s ease, transform .1s ease;
  line-height: 1;
}
.kv-star-rating label:hover,
.kv-star-rating label:hover ~ label,
.kv-star-rating input:checked ~ label {
  color: #f5a623;
}
.kv-star-rating label:hover { transform: scale(1.15); }

/* Card de calificación */
.kv-rating-card {
  background: linear-gradient(135deg, rgba(245,166,35,.07), rgba(11,110,158,.05));
  border: 1.5px solid rgba(245,166,35,.2);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.kv-avg-score {
  font-size: 3rem;
  font-weight: 800;
  font-family: var(--font-display);
  color: var(--kv-primary-dark);
  line-height: 1;
}

/* ---------------------------------------------------------------- */
/* Sidebar — logo sin texto                                         */
/* ---------------------------------------------------------------- */
.kv-app-sidebar .brand {
  padding: 1.4rem 1.2rem 1rem;
  justify-content: flex-start;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.kv-app-sidebar .brand img {
  height: 40px;
  filter: brightness(0) invert(1);
  max-width: 100%;
  object-fit: contain;
}

/* ---------------------------------------------------------------- */
/* Avatar de perfil — upload dinámico                              */
/* ---------------------------------------------------------------- */
.kv-avatar-upload {
  position: relative;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 0 auto 1rem;
  cursor: pointer;
  display: block;
}
.kv-avatar-upload img,
.kv-avatar-upload .kv-avatar-fallback-lg {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  border: 3px solid var(--kv-border);
  box-shadow: 0 4px 16px rgba(11,110,158,.15);
  transition: var(--transition);
}
.kv-avatar-fallback-lg {
  background: linear-gradient(135deg, var(--kv-primary), var(--kv-teal-dark));
  color: #fff;
  display: flex !important;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 2.2rem;
  font-family: var(--font-display);
}
.kv-avatar-upload-overlay {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: rgba(5,44,64,.6);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity .2s ease;
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  gap: 4px;
  pointer-events: none;
}
.kv-avatar-upload:hover .kv-avatar-upload-overlay { opacity: 1; }
.kv-avatar-upload-overlay i { font-size: 1.4rem; }
/* El input nativo NUNCA debe verse */
.kv-avatar-upload input[type=file] {
  position: absolute !important;
  width: 0 !important;
  height: 0 !important;
  opacity: 0 !important;
  overflow: hidden !important;
  pointer-events: none !important;
}

/* Drag active */
.kv-avatar-upload.dragover .kv-avatar-upload-overlay {
  opacity: 1;
  background: rgba(11,110,158,.7);
}

/* ---------------------------------------------------------------- */
/* Modales responsivos — fix para laptops pequeñas                 */
/* ---------------------------------------------------------------- */
@media (max-height: 700px) {
  .modal-dialog-scrollable .modal-body { max-height: 55vh; }
  .modal-dialog { margin: .4rem auto; }
}
@media (max-width: 768px) {
  .modal-dialog.modal-lg,
  .modal-dialog.modal-xl { max-width: 97vw; margin: .4rem auto; }
  .modal-footer { flex-wrap: wrap; gap: .5rem; }
  .modal-footer .btn { flex: 1 1 auto; min-width: 110px; }
  /* Modal lección: 2 col → 1 col */
  .modal .row.g-0 { flex-direction: column !important; }
  .modal .col-md-7,
  .modal .col-md-5 { width: 100% !important; }
  .modal .col-md-5 {
    border-left: none !important;
    border-top: 1px solid var(--kv-border) !important;
  }
}

/* Botones de modal siempre visibles */
.modal-footer {
  position: sticky;
  bottom: 0;
  background: #fff;
  border-top: 1px solid var(--kv-border) !important;
  z-index: 10;
  padding: .85rem 1.5rem;
}

/* ================================================================= */
/* RESPONSIVE MÓVIL — Todo en ≤ 575px                               */
/* Solo afecta móvil, no toca nada de desktop ni tablet              */
/* ================================================================= */

/* --- Utilidades base móvil --- */
@media (max-width: 575px) {

  /* Prevenir desbordamiento horizontal en toda la app */
  body, .kv-app-shell, .kv-app-main,
  .kv-app-content, main.kv-app-content { overflow-x: hidden; }

  /* ── Topbar de la app ── */
  .kv-app-topbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    padding: 0 .75rem;
    height: 58px;
    gap: .5rem;
    z-index: 1030;
    box-shadow: 0 2px 12px rgba(11,110,158,.1);
  }
  .kv-app-topbar h1 { font-size: 1rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 160px; }
  .kv-app-topbar .greeting-sub { display: none !important; }
  /* Compensar el espacio del topbar fijo */
  .kv-app-content { padding: .85rem; padding-top: calc(58px + 1rem) !important; }

  /* ── Stat cards — 2 columnas en móvil ── */
  .kv-stat-card .num { font-size: 1.6rem; }
  .kv-stat-card { padding: 1.1rem; }
  .kv-stat-card .icon-badge { width: 36px; height: 36px; font-size: 1.05rem; margin-bottom: .6rem; }

  /* ── Cards genéricas ── */
  .kv-card { padding: 1.1rem; border-radius: var(--radius-sm); }
  .kv-card-header { flex-wrap: wrap; gap: .5rem; }

  /* ── Listas ── */
  .kv-list-head { display: none; }
  .kv-list-row  { flex-wrap: wrap; gap: .5rem; padding: .85rem 1rem; }
  .kv-list-thumb { width: 44px; height: 34px; }

  /* ── Tabla de cursos admin ── */
  .kv-col-course  { flex: 1 1 100%; }
  .kv-col-cat     { display: none !important; }
  .kv-col-num     { width: auto; }
  .kv-col-status  { width: auto; }
  .kv-col-actions { width: 100%; justify-content: flex-start !important; }
  /* legacy inline styles */
  .kv-list-row [style*="flex:2"],
  .kv-list-row [style*="flex:1.7"],
  .kv-list-row [style*="flex:1.6"],
  .kv-list-row [style*="flex:1.3"] { flex: 1 1 100%; min-width: 0; }
  .kv-list-row [style*="width:180px"],
  .kv-list-row [style*="width:190px"] { width: auto !important; flex: 1 1 100%; text-align: left !important; display: flex; gap: .3rem; flex-wrap: wrap; }
  .kv-list-row [style*="width:90px"],
  .kv-list-row [style*="width:100px"],
  .kv-list-row [style*="width:110px"],
  .kv-list-row [style*="width:120px"],
  .kv-list-row [style*="width:130px"],
  .kv-list-row [style*="width:140px"] { width: auto !important; }

  /* ── Tabs del builder ── */
  .kv-tabs-builder { overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; padding-bottom: 2px; }
  .kv-tabs-builder a { font-size: .78rem; padding: .6rem .7rem; white-space: nowrap; }

  /* ── Forms — inputs full width ── */
  .row.g-3 > [class*="col-md-"], .row.g-2 > [class*="col-md-"] { width: 100%; }
  .row.g-3 > .col-md-2, .row.g-3 > .col-md-1 { width: 100%; }

  /* ── Botones de acciones ── */
  .kv-icon-action { width: 30px; height: 30px; font-size: .8rem; }

  /* ── Course player sidebar ── */
  .kv-lesson-item { font-size: .8rem; padding: .55rem .7rem; }

  /* ── Catalog sidebar ── */
  .kv-sidebar { border-radius: var(--radius-sm); padding: 1rem; }
  .kv-sidebar .nav-link { font-size: .84rem; padding: .5rem .7rem; }

  /* ── Course cards en catálogo ── */
  .kv-course-card .thumb { height: 150px; }
  .kv-course-card .card-body { padding: .9rem 1rem 1.1rem; }

  /* ── Auth pages ── */
  .kv-auth-card-solo { padding: 1.75rem 1.25rem; border-radius: var(--radius); }
  .kv-auth-wrap { padding: 1rem .75rem; align-items: flex-start; padding-top: 2rem; }
  .kv-btn-auth { font-size: .92rem; padding: .82rem; }
  .kv-input-soft { font-size: 1rem; padding: .8rem .95rem; }

  /* ── Certificado ── */
  .kv-cert { padding: 1.5rem 1.25rem; border-width: 5px; }
  .kv-cert::before { inset: 8px; }

  /* ── Hero público ── */
  .kv-hero { padding: 2.5rem 0 4rem; }
  .kv-hero h1 { font-size: 1.7rem; }
  .kv-hero p.lead { font-size: .9rem; }
  .kv-hero-stats .stat-box { padding: .75rem 1rem; }
  .kv-hero-stats .stat-box strong { font-size: 1.3rem; }

  /* ── Footer ── */
  .kv-footer { padding: 2.5rem 0 1rem; margin-top: 3rem; }
  .kv-footer h5 { font-size: .875rem; margin-bottom: .6rem; }

  /* ── Navbar pública ── */
  .kv-navbar { padding: .55rem 0; }
  .kv-navbar .navbar-brand img { height: 30px; }
  .kv-search { min-width: 0 !important; width: 100%; }

  /* ── Rating estrellas ── */
  .kv-star-rating label { font-size: 1.75rem; }
  .kv-avg-score { font-size: 2.2rem; }

  /* ── Notif panel ── */
  .kv-notif-panel { width: 300px; }

  /* ── Index bienvenida ── */
  #kvWelcome .btn { width: 100%; }

  /* ── Modales ── */
  .modal-dialog { margin: .3rem; max-width: calc(100vw - .6rem) !important; }
  .modal-header { padding: 1rem 1.1rem .5rem; }
  .modal-body { padding: .85rem 1.1rem; }
  .modal-footer { padding: .75rem 1.1rem; flex-wrap: wrap; gap: .5rem; }
  .modal-footer .btn { flex: 1 1 calc(50% - .25rem); min-width: 0; font-size: .82rem; }

  /* Modal lección: columna única */
  #kvLessonModal .row.g-0,
  #kvLessonModal [class*="row"] { flex-direction: column !important; }
  #kvLessonModal .col-md-7,
  #kvLessonModal .col-md-5 { width: 100% !important; }
  #kvLessonModal .col-md-5 { border-left: none !important; border-top: 1px solid var(--kv-border) !important; }

  /* ── Quiz opciones ── */
  .kv-quiz-option { padding: .65rem .9rem; }
  .kv-quiz-option span { font-size: .84rem; }

  /* ── Profile avatar ── */
  .kv-avatar-upload,
  .kv-avatar-upload img,
  .kv-avatar-upload .kv-avatar-fallback-lg { width: 86px; height: 86px; }
  .kv-avatar-fallback-lg { font-size: 1.8rem; }

  /* ── Reports / Dashboard ── */
  .kv-card svg { max-width: 130px; height: 130px; }
}

/* --- Tablet: 576–991px --- */
@media (min-width: 576px) and (max-width: 991px) {

  .kv-app-content { padding: 1.25rem; }
  .kv-app-topbar h1 { font-size: 1.1rem; }
  .kv-stat-card .num { font-size: 1.75rem; }

  .kv-tabs-builder { overflow-x: auto; flex-wrap: nowrap; }
  .kv-tabs-builder a { white-space: nowrap; font-size: .82rem; }

  .modal-dialog.modal-lg { max-width: min(700px, 95vw); }
  .modal-dialog.modal-xl { max-width: min(900px, 95vw); }
}

/* --- Fix: imágenes y contenedores nunca se desbordan --- */
img { max-width: 100%; height: auto; }
.kv-list { overflow-x: auto; }
.kv-card-header h5, .kv-card-header h6 { min-width: 0; word-break: break-word; }

/* ================================================================= */
/* RESPONSIVE EXTRA — Ajustes específicos iPhone SE / 375px          */
/* ================================================================= */

@media (max-width: 420px) {

  /* Topbar: reducir gap para que quepan todos los iconos */
  .kv-app-topbar { gap: 0; }
  .kv-app-topbar > div:first-child { gap: .5rem !important; }
  .kv-app-topbar > div:last-child  { gap: .35rem !important; }

  /* Iconos del topbar más pequeños */
  .kv-icon-btn { width: 34px; height: 34px; font-size: .9rem; }
  .kv-avatar-btn .avatar-fallback,
  .kv-avatar-btn img { width: 34px; height: 34px; font-size: .85rem; }

  /* Título del topbar más corto */
  .kv-app-topbar h1 { font-size: .9rem; max-width: 130px; }

  /* Panel notificaciones: ancho full en móvil */
  .kv-notif-panel { width: calc(100vw - 1.5rem) !important; right: .75rem !important; left: auto !important; }

  /* Stat cards: 2 x 2, sin overflow */
  .kv-stat-card .num { font-size: 1.5rem; }
  .kv-stat-card .small { font-size: .72rem; }
  .kv-stat-card { padding: .9rem; }

  /* Card "Mis cursos" — botón siempre visible */
  .kv-course-row .btn-sm { padding: .28rem .7rem !important; font-size: .75rem !important; }

  /* Sidebar user en el pie */
  .kv-sidebar-user .su-name { font-size: .78rem; }
  .kv-sidebar-user .su-role { font-size: .65rem; }

  /* Formularios en modal: stacked total */
  .modal .row { flex-direction: column; }
  .modal [class*="col-"] { width: 100% !important; }

  /* kv-list-row acciones en su propia fila */
  .kv-list-row { position: relative; }

  /* App content con menos padding */
  .kv-app-content { padding: .7rem; }

  /* kv-card sin tanto padding */
  .kv-card { padding: .9rem; }

  /* Rating estrellas en quiz */
  .kv-star-rating label { font-size: 1.5rem; }

  /* Catálogo — quitar sidebar en móvil, mostrar como acordeón */
  .catalog-filter-label {
    display: flex; align-items: center; justify-content: space-between;
    font-weight: 700; font-size: .875rem;
    padding: .7rem 1rem;
    background: var(--kv-bg);
    border-radius: var(--radius-sm);
    cursor: pointer;
    margin-bottom: .5rem;
  }

  /* Hero de catálogo más compacto */
  section.py-5 .container.text-white h1 { font-size: 1.4rem; }
  section.py-5 .container.text-white p.lead { font-size: .85rem; }

  /* Tabs del builder: fuente más pequeña */
  .kv-tabs-builder a { font-size: .72rem; padding: .55rem .6rem; }
  .kv-tabs-builder a .step-num { width: 17px; height: 17px; font-size: .6rem; }

  /* Curriculum items en builder */
  .kv-curriculum-item { padding: .55rem .7rem; gap: .5rem; }
  .kv-curriculum-item .ci-title { font-size: .8rem; }
  .kv-curriculum-item .ci-meta { font-size: .68rem; }

  /* Botones de sección en builder */
  .kv-curriculum-item .ci-actions .kv-icon-action { width: 28px; height: 28px; font-size: .75rem; }
}

/* ── Dropdown panel notificaciones: siempre dentro de la pantalla ── */
@media (max-width: 575px) {
  .dropdown-menu.kv-notif-panel {
    position: fixed !important;
    top: 60px !important;
    right: .75rem !important;
    left: .75rem !important;
    width: auto !important;
    max-width: 100% !important;
    transform: none !important;
  }
}

/* ---------------------------------------------------------------- */
/* Máscara "marcar completado" sobre videos                        */
/* ---------------------------------------------------------------- */
.kv-complete-mask {
  position: absolute;
  inset: 0;
  background: rgba(5,44,64,.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  pointer-events: none;
  border-radius: inherit;
  transition: opacity .35s ease;
}
/* Contenido centrado — sin card/box */
.kv-complete-mask-inner {
  pointer-events: all;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  color: #fff;
  gap: .75rem;
  padding: 1rem;
  /* Empujar el contenido un poco hacia abajo para que la flecha quede arriba sin tapar */
  margin-top: 30px;
}
.kv-complete-mask-inner .kv-mask-text {
  font-size: 1rem;
  font-weight: 500;
  color: #fff;
  line-height: 1.65;
  margin: 0;
  text-shadow: 0 1px 6px rgba(0,0,0,.5);
}
.kv-complete-mask-inner .kv-mask-text strong {
  color: var(--kv-gold);
  font-weight: 700;
}
.kv-complete-mask-inner .kv-mask-btn {
  background: rgba(255,255,255,.92);
  color: var(--kv-primary-dark);
  border: none;
  border-radius: 50px;
  padding: .45rem 1.8rem;
  font-weight: 700;
  font-size: .88rem;
  cursor: pointer;
  box-shadow: 0 3px 14px rgba(0,0,0,.25);
  transition: background .15s ease, transform .15s ease;
}
.kv-complete-mask-inner .kv-mask-btn:hover {
  background: #fff;
  transform: scale(1.04);
}

/* Flecha — esquina superior derecha, SIN interferir con el texto */
.kv-mask-arrow-wrap {
  position: absolute;
  top: 8%;
  right: 18%;
  pointer-events: none;
  z-index: 7;
}
.kv-mask-arrow-svg {
  display: block;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,.5));
  animation: kvArrowPulse 1.1s ease-in-out infinite alternate;
}
@keyframes kvArrowPulse {
  from { transform: translate(0,0)      scale(1);    opacity: .9; }
  to   { transform: translate(6px,-8px) scale(1.1);  opacity: 1;  }
}

/* Móvil: flecha más pequeña y arriba del texto */
@media (max-width: 575px) {
  .kv-mask-arrow-wrap { top: 5%; right: 10%; }
  .kv-mask-arrow-svg  { width: 44px !important; height: 44px !important; }
  .kv-complete-mask-inner { margin-top: 15px; }
  .kv-complete-mask-inner .kv-mask-text { font-size: .85rem; }
  .kv-complete-mask-inner .kv-mask-btn  { font-size: .8rem; padding: .38rem 1.4rem; }
}

/* Botón "Marcar como completada" deshabilitado estilo */
#kvMarkBtn:disabled,
#kvMarkBtn[disabled] {
  background: #b0bec5 !important;
  border-color: #b0bec5 !important;
  color: #fff !important;
  cursor: not-allowed !important;
  opacity: .7;
  transform: none !important;
  box-shadow: none !important;
}

/* ---------------------------------------------------------------- */
/* Botón "Marcar como completada" — siempre a la derecha en móvil  */
/* ---------------------------------------------------------------- */
@media (max-width: 575px) {
  /* El header de la lección: título izquierda, botón derecha */
  .kv-card > div.d-flex.justify-content-between > div.flex-grow-1 { flex: 1 1 0; min-width: 0; }

  /* Botón Marcar: compacto y siempre a la derecha */
  #kvMarkBtn {
    flex-shrink: 0;
    font-size: .75rem !important;
    padding: .32rem .75rem !important;
    white-space: nowrap;
  }

  /* Badge "Completada" también compacto */
  .kv-card .badge.bg-success.px-3 {
    font-size: .72rem !important;
    padding: .3rem .7rem !important;
    white-space: nowrap;
    flex-shrink: 0;
  }

  /* ── Course player móvil ────────────────────────────── */

  /* Cabecera de lección: apilar título arriba, botón abajo */
  .kv-lesson-header-row {
    flex-wrap: wrap !important;
    gap: .5rem !important;
  }
  .kv-lesson-header-row > .flex-grow-1 {
    width: 100%;
    flex: 1 1 100% !important;
    min-width: 0;
  }
  .kv-lesson-header-row > .flex-shrink-0,
  .kv-lesson-header-row > #kvMarkBtn,
  .kv-lesson-header-row > .badge.bg-success {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  /* Título de lección: no truncar en móvil */
  .kv-lesson-header-row h4.text-truncate {
    overflow: visible !important;
    text-overflow: unset !important;
    white-space: normal !important;
    font-size: .95rem !important;
  }

  /* Botón Marcar en móvil: ancho completo */
  #kvMarkBtn {
    width: 100% !important;
    justify-content: center !important;
    padding: .55rem 1rem !important;
    font-size: .875rem !important;
  }

  /* Barra de progreso del curso en sidebar */
  #kvCourseProgressBar { transition: width .3s ease; }

  /* Certificado móvil: solo botón descargar */
  #kvCertMobile .btn-outline-secondary { display: none !important; }
  #kvCertMobile p.text-muted.mb-4 { display: none !important; }
}

/* ---------------------------------------------------------------- */
/* Alert migración WordPress — login con phpass                     */
/* ---------------------------------------------------------------- */
.kv-migrated-alert {
  background: linear-gradient(135deg, #fef8ec, #fff9f0);
  border: 1.5px solid rgba(245,166,35,.35);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.2rem;
  animation: kvDropIn .3s ease;
}