/* ══════════════════════════════════════════════════════════════
   LMS Plugin – Estilos Principales
   ══════════════════════════════════════════════════════════════ */

:root {
  --lms-primary:    #2563eb;
  --lms-primary-d:  #1d4ed8;
  --lms-success:    #16a34a;
  --lms-warning:    #f59e0b;
  --lms-danger:     #dc2626;
  --lms-bg:         #f8fafc;
  --lms-surface:    #ffffff;
  --lms-border:     #e2e8f0;
  --lms-text:       #1e293b;
  --lms-text-muted: #64748b;
  --lms-sidebar-w:  300px;
  --lms-radius:     10px;
  --lms-shadow:     0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --lms-shadow-md:  0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
}

/* ── Layout principal ─────────────────────────────────────────── */
.lms-layout {
  display: flex;
  min-height: 100vh;
  background: var(--lms-bg);
}

/* ── Sidebar ──────────────────────────────────────────────────── */
.lms-sidebar {
  width: var(--lms-sidebar-w);
  min-width: var(--lms-sidebar-w);
  background: var(--lms-surface);
  border-right: 1px solid var(--lms-border);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  box-shadow: var(--lms-shadow);
  scrollbar-width: thin;
  scrollbar-color: var(--lms-border) transparent;
}

.lms-sidebar-header {
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--lms-border);
  background: linear-gradient(135deg, #1e293b, #334155);
  color: #fff;
}

.lms-curso-link {
  display: block;
  color: rgba(255,255,255,.8);
  font-size: .8rem;
  text-decoration: none;
  margin-bottom: 12px;
  transition: color .2s;
}
.lms-curso-link:hover { color: #fff; }

/* Barras de progreso */
.lms-progreso-curso,
.lms-progreso-header { margin-top: 8px; }

.lms-progreso-label {
  display: flex;
  justify-content: space-between;
  font-size: .75rem;
  margin-bottom: 6px;
  color: rgba(255,255,255,.7);
}
.lms-pct-texto { font-weight: 700; color: #fff; }

.lms-barra-wrap {
  height: 6px;
  background: rgba(255,255,255,.2);
  border-radius: 999px;
  overflow: hidden;
}
.lms-barra-fill {
  height: 100%;
  background: linear-gradient(90deg, #22d3ee, #2563eb);
  border-radius: 999px;
  transition: width .6s cubic-bezier(.4,0,.2,1);
}

/* Barras en fondo claro */
.lms-progreso-header .lms-barra-wrap { background: #e2e8f0; }
.lms-progreso-header .lms-pct-texto  { color: var(--lms-text-muted); }

/* ── Navegación del sidebar ───────────────────────────────────── */
.lms-nav { flex: 1; padding: 8px 0; }

.lms-modulo-bloque { border-bottom: 1px solid var(--lms-border); }

.lms-modulo-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background .15s;
}
.lms-modulo-toggle:hover { background: #f1f5f9; }
.lms-modulo-activo > .lms-modulo-toggle { background: #eff6ff; }

.lms-modulo-num {
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--lms-primary);
  white-space: nowrap;
}
.lms-modulo-titulo {
  flex: 1;
  font-size: .82rem;
  font-weight: 600;
  color: var(--lms-text);
  line-height: 1.3;
}
.lms-modulo-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.lms-pct-badge {
  font-size: .7rem;
  font-weight: 700;
  background: #e0f2fe;
  color: var(--lms-primary);
  padding: 2px 6px;
  border-radius: 999px;
}
.lms-chevron {
  font-size: .75rem;
  color: var(--lms-text-muted);
  transition: transform .2s;
}
.lms-modulo-toggle[aria-expanded="true"] .lms-chevron { transform: rotate(180deg); }

/* Lista de lecciones */
.lms-lecciones-lista {
  list-style: none;
  margin: 0;
  padding: 0;
  display: none;
}
.lms-lecciones-lista.lms-abierta { display: block; }

.lms-leccion-item { border-top: 1px solid #f1f5f9; }

.lms-leccion-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px 10px 24px;
  text-decoration: none;
  color: var(--lms-text);
  font-size: .8rem;
  transition: background .15s;
  cursor: pointer;
}
.lms-leccion-link:hover { background: #f8fafc; }
.lms-leccion-actual > .lms-leccion-link { background: #eff6ff; border-left: 3px solid var(--lms-primary); }

.lms-leccion-link.lms-bloqueada { opacity: .55; cursor: not-allowed; }

.lms-completada > .lms-leccion-link { opacity: .8; }

.lms-estado { flex-shrink: 0; width: 18px; }

.lms-icono, .lms-check, .lms-lock {
  width: 16px; height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.lms-check { color: var(--lms-success); }
.lms-lock  { color: var(--lms-text-muted); }

.lms-leccion-texto { flex: 1; min-width: 0; }
.lms-leccion-titulo {
  display: block;
  white-space: normal;
  overflow: visible;
  text-overflow: unset;
  font-weight: 500;
  font-size: .78rem;
  line-height: 1.3;
  word-break: break-word;
}
.lms-duracion {
  font-size: .7rem;
  color: var(--lms-text-muted);
}
.lms-badge-preview {
  font-size: .65rem;
  background: #fef9c3;
  color: #854d0e;
  padding: 2px 5px;
  border-radius: 4px;
  white-space: nowrap;
}

/* ── Main content ─────────────────────────────────────────────── */
.lms-main {
  flex: 1;
  min-width: 0;
  padding: 24px 32px 48px;
  max-width: 100%;
  width: 100%;
}

/* Limitar ancho del contenido interno para legibilidad */
.lms-leccion-contenido {
  max-width: 100%;
  width: 100%;
}

.lms-breadcrumb {
  font-size: .8rem;
  color: var(--lms-text-muted);
  margin-bottom: 20px;
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}
.lms-breadcrumb a { color: var(--lms-primary); text-decoration: none; }
.lms-breadcrumb a:hover { text-decoration: underline; }

.lms-leccion-contenido { background: var(--lms-surface); border-radius: var(--lms-radius); box-shadow: var(--lms-shadow); }

/* El header y el player no tienen padding lateral */
.lms-leccion-header { border-radius: var(--lms-radius) var(--lms-radius) 0 0; }
.lms-player-wrap { border-radius: 0; overflow: hidden; }

.lms-leccion-header {
  padding: 24px 28px 16px;
  border-bottom: 1px solid var(--lms-border);
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  border-radius: var(--lms-radius) var(--lms-radius) 0 0;
}
.lms-leccion-titulo { font-size: 1.4rem; font-weight: 700; color: var(--lms-text); margin: 0; flex: 1; }

.lms-progreso-header {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 160px;
}
.lms-barra-leccion-wrap { flex: 1; }
.lms-barra-leccion-wrap .lms-barra-fill { background: linear-gradient(90deg, var(--lms-success), #4ade80); }

/* ── Video ─────────────────────────────────────────────────────── */
.lms-player-wrap {
  background: #000;
  width: 100%;
}
.lms-video-responsive {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  width: 100%;
  max-width: 100%;
}
.lms-video-responsive iframe,
.lms-video-responsive video {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  max-width: 100%;
}

/* ── PDF ───────────────────────────────────────────────────────── */
.lms-pdf-wrap { background: #f1f5f9; }
.lms-pdf-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  border-bottom: 1px solid var(--lms-border);
  font-size: .82rem;
}
.lms-pdf-nombre { font-weight: 600; color: var(--lms-text); }
.lms-pdf-viewer { width: 100%; height: 600px; border: none; display: block; }

/* ── Descarga ──────────────────────────────────────────────────── */
.lms-descarga-wrap { padding: 28px; }
.lms-descarga-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #f8fafc;
  border: 2px dashed var(--lms-border);
  border-radius: var(--lms-radius);
  padding: 20px 24px;
}
.lms-descarga-icono { font-size: 2.5rem; }
.lms-descarga-info { flex: 1; }
.lms-descarga-info strong { display: block; font-size: .95rem; }
.lms-size { font-size: .78rem; color: var(--lms-text-muted); }
.lms-btn-descarga-grande {
  background: var(--lms-primary);
  color: #fff;
  padding: 10px 20px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: .9rem;
  transition: background .2s;
  white-space: nowrap;
}
.lms-btn-descarga-grande:hover { background: var(--lms-primary-d); }

/* ── Descripción / texto ───────────────────────────────────────── */
.lms-descripcion {
  padding: 24px 28px;
  font-size: .95rem;
  line-height: 1.7;
  color: var(--lms-text);
}

/* ── Navegación entre lecciones ────────────────────────────────── */
.lms-nav-lecciones {
  display: flex;
  justify-content: space-between;
  padding: 20px 28px;
  border-top: 1px solid var(--lms-border);
  gap: 12px;
}
.lms-btn-nav {
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  font-size: .9rem;
  transition: all .2s;
}
.lms-btn-prev { background: #f1f5f9; color: var(--lms-text); }
.lms-btn-prev:hover { background: #e2e8f0; }
.lms-btn-next { background: var(--lms-primary); color: #fff; margin-left: auto; }
.lms-btn-next:hover { background: var(--lms-primary-d); }
.lms-btn-fin { background: var(--lms-success); color: #fff; margin-left: auto; }
.lms-btn-fin:hover { background: #15803d; }

/* ── Acceso denegado ───────────────────────────────────────────── */
.lms-acceso-denegado {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}
.lms-acceso-inner {
  text-align: center;
  max-width: 400px;
}
.lms-lock-icon { font-size: 4rem; margin-bottom: 16px; }
.lms-acceso-inner h2 { font-size: 1.6rem; margin-bottom: 12px; }
.lms-acceso-inner p { color: var(--lms-text-muted); margin-bottom: 24px; }

.lms-btn-acceso, .lms-btn-continuar {
  display: inline-block;
  background: var(--lms-primary);
  color: #fff;
  padding: 12px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  transition: background .2s;
}
.lms-btn-acceso:hover, .lms-btn-continuar:hover { background: var(--lms-primary-d); }
.lms-btn-secundario {
  display: inline-block;
  margin-top: 12px;
  color: var(--lms-primary);
  text-decoration: none;
  font-size: .9rem;
}

/* ── Página de curso ───────────────────────────────────────────── */
.lms-curso-hero {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 32px;
  background: linear-gradient(135deg, #1e293b, #0f172a);
  color: #fff;
  padding: 48px 40px;
}
.lms-hero-imagen img { width: 100%; border-radius: var(--lms-radius); }
.lms-hero-info h1 { font-size: 2rem; margin-bottom: 16px; color: #fff !important; }
.lms-curso-hero h1,
.lms-curso-hero h2,
.lms-curso-hero p,
.lms-curso-hero span { color: #fff !important; }

.lms-curso-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.lms-badge {
  font-size: .75rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.15);
  color: #fff;
}
.lms-badge-nivel { background: rgba(99,102,241,.4); }
.lms-badge-cert  { background: rgba(234,179,8,.3); }

.lms-descripcion-corta { opacity: .85; font-size: .95rem; line-height: 1.6; margin-bottom: 24px; }

.lms-progreso-curso-hero { margin-bottom: 20px; }
.lms-progreso-curso-hero .lms-progreso-label { color: rgba(255,255,255,.7); font-size: .8rem; margin-bottom: 6px; display:flex; justify-content:space-between; }
.lms-progreso-curso-hero .lms-barra-wrap { background: rgba(255,255,255,.2); height: 8px; }

.lms-btn-grande { padding: 14px 32px; font-size: 1rem; }

.lms-curso-body { max-width: 900px; margin: 0 auto; padding: 40px 20px; }

.lms-curriculum { margin-top: 40px; }
.lms-curriculum-titulo { font-size: 1.4rem; margin-bottom: 4px; }
.lms-curriculum-resumen { color: var(--lms-text-muted); font-size: .9rem; margin-bottom: 20px; }

.lms-modulo-acordeon { border: 1px solid var(--lms-border); border-radius: var(--lms-radius); margin-bottom: 12px; overflow: hidden; }
.lms-acordeon-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: #f8fafc;
  border: none;
  cursor: pointer;
  text-align: left;
}
.lms-acordeon-toggle:hover { background: #f1f5f9; }
.lms-modulo-num-badge {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--lms-primary);
  background: #eff6ff;
  padding: 3px 8px;
  border-radius: 4px;
  white-space: nowrap;
}
.lms-modulo-titulo-acc { flex: 1; font-weight: 600; font-size: .95rem; }
.lms-modulo-info-acc { font-size: .8rem; color: var(--lms-text-muted); }
.lms-acordeon-panel { display: none; padding: 0 0 8px; }
.lms-acordeon-panel.open { display: block; }
.lms-modulo-desc { padding: 12px 20px; font-size: .85rem; color: var(--lms-text-muted); border-bottom: 1px solid var(--lms-border); }

.lms-lecciones-curriculum { list-style: none; margin: 0; padding: 0; }
.lms-leccion-curriculum { border-bottom: 1px solid #f1f5f9; }
.lms-lec-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  font-size: .87rem;
  text-decoration: none;
  color: var(--lms-text);
  transition: background .15s;
}
.lms-lec-link:hover { background: #f8fafc; }
.lms-lec-link.lms-bloqueada { opacity: .55; cursor: not-allowed; }
.lms-lec-icono { font-size: 1rem; flex-shrink: 0; }
.lms-lec-titulo { flex: 1; }
.lms-lec-meta { font-size: .75rem; color: var(--lms-text-muted); display: flex; gap: 8px; align-items: center; }
.lms-leccion-curriculum.lms-completada .lms-lec-titulo { text-decoration: line-through; opacity: .6; }

/* ── Sin acceso ────────────────────────────────────────────────── */
.lms-sin-acceso {
  border: 2px solid var(--lms-border);
  border-radius: var(--lms-radius);
  padding: 32px;
  text-align: center;
  background: #f8fafc;
}

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .lms-layout { flex-direction: column; }
  .lms-sidebar { width: 100%; min-width: 0; height: auto; position: static; }
  .lms-main { padding: 16px; }
  .lms-curso-hero { grid-template-columns: 1fr; }
  .lms-descarga-card { flex-direction: column; text-align: center; }
  .lms-nav-lecciones { flex-direction: column; }
  .lms-btn-next, .lms-btn-fin { margin-left: 0; }
}

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE MÓVIL — Sidebar colapsable
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .lms-layout { flex-direction: column; }

  /* El contenido principal va PRIMERO en móvil */
  .lms-main  { padding: 16px; order: 1; }
  .lms-sidebar {
    order: 2;
    width: 100%;
    min-width: 0;
    height: auto;
    position: sticky;
    bottom: 0;
    z-index: 100;
    box-shadow: 0 -4px 12px rgba(0,0,0,.15);
  }

  .lms-curso-hero { grid-template-columns: 1fr; }
  .lms-descarga-card { flex-direction: column; text-align: center; }
  .lms-nav-lecciones { flex-direction: column; }
  .lms-btn-next, .lms-btn-fin { margin-left: 0; }

  /* Header del sidebar oculto — el toggle lo reemplaza */
  .lms-sidebar-header { display: none; }

  /* Navegación colapsada por defecto */
  .lms-nav {
    display: none;
    max-height: 50vh;
    overflow-y: auto;
    border-bottom: 1px solid var(--lms-border);
    background: var(--lms-surface);
  }
  .lms-nav.lms-nav-abierto { display: block; }
}

/* Botón toggle — solo visible en móvil */
.lms-sidebar-mobile-toggle {
  display: none;
}
@media (max-width: 768px) {
  .lms-sidebar-mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    background: linear-gradient(135deg, #1e293b, #334155);
    color: #fff;
    cursor: pointer;
    border: none;
    width: 100%;
    font-size: .88rem;
    font-weight: 600;
    gap: 12px;
  }
  .lms-toggle-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
  }
  .lms-toggle-titulo {
    font-size: .85rem;
    font-weight: 700;
  }
  .lms-toggle-sub {
    font-size: .72rem;
    opacity: .75;
    font-weight: 400;
  }
  .lms-toggle-right {
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .lms-toggle-pct {
    font-size: .78rem;
    background: rgba(255,255,255,.15);
    padding: 3px 8px;
    border-radius: 999px;
  }
  .lms-toggle-chevron {
    font-size: .9rem;
    transition: transform .3s;
  }
  .lms-sidebar-mobile-toggle.abierto .lms-toggle-chevron {
    transform: rotate(180deg);
  }
}

/* ══════════════════════════════════════════════════════════════
   PANEL DEL ALUMNO
   ══════════════════════════════════════════════════════════════ */
.lms-panel-alumno { max-width: 900px; margin: 0 auto; padding: 24px 16px; }

.lms-panel-header {
    display: flex;
    align-items: center;
    gap: 16px;
    background: linear-gradient(135deg, #1e293b, #334155);
    color: #fff;
    padding: 24px;
    border-radius: var(--lms-radius);
    margin-bottom: 28px;
}
.lms-avatar { border-radius: 50%; }
.lms-panel-bienvenida h2 { margin: 0 0 4px; font-size: 1.3rem; }
.lms-panel-bienvenida p  { margin: 0; opacity: .75; font-size: .9rem; }

.lms-panel-vacio {
    text-align: center;
    padding: 60px 20px;
    background: #f8fafc;
    border-radius: var(--lms-radius);
    border: 2px dashed var(--lms-border);
}
.lms-panel-vacio-icono { font-size: 3rem; margin-bottom: 12px; }

.lms-panel-cursos {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}
.lms-panel-curso-card {
    background: var(--lms-surface);
    border-radius: var(--lms-radius);
    box-shadow: var(--lms-shadow-md);
    overflow: hidden;
    transition: transform .2s, box-shadow .2s;
}
.lms-panel-curso-card:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,.1); }

.lms-panel-curso-imagen { position: relative; }
.lms-panel-curso-imagen img { width: 100%; height: 160px; object-fit: cover; display: block; }
.lms-badge-completado {
    position: absolute;
    top: 10px; right: 10px;
    background: var(--lms-success);
    color: #fff;
    font-size: .72rem;
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 700;
}
.lms-panel-curso-info { padding: 16px; }
.lms-panel-curso-info h3 { margin: 0 0 8px; font-size: 1rem; }
.lms-panel-curso-info h3 a { color: var(--lms-text); text-decoration: none; }
.lms-panel-curso-info h3 a:hover { color: var(--lms-primary); }

.lms-panel-curso-meta { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.lms-panel-curso-meta .lms-badge { background: #f1f5f9; color: var(--lms-text-muted); font-size: .72rem; }

.lms-panel-progreso { margin-bottom: 14px; }
.lms-barra-panel { background: #e2e8f0; height: 8px; }

.lms-btn-continuar-panel {
    display: block;
    text-align: center;
    background: var(--lms-primary);
    color: #fff;
    padding: 9px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: .88rem;
    transition: background .2s;
}
.lms-btn-continuar-panel:hover { background: var(--lms-primary-d); }

/* Forzar colores del LMS sobre cualquier tema */
.lms-modulo-num,
.lms-modulo-toggle[aria-expanded="true"] .lms-modulo-num,
.lms-modulo-activo > .lms-modulo-toggle .lms-modulo-num,
.lms-modulo-num-badge,
.lms-pct-badge { color: #2563eb !important; }

.lms-leccion-actual > .lms-leccion-link { border-left-color: #2563eb !important; }
.lms-barra-fill { background: linear-gradient(90deg, #22d3ee, #2563eb) !important; }
.lms-btn-acceso, .lms-btn-continuar, .lms-btn-next { background: #2563eb !important; }
.lms-btn-acceso:hover, .lms-btn-continuar:hover, .lms-btn-next:hover { background: #1d4ed8 !important; }