/* ==========================================================================
   Edukusy theme — capa de presentacion para la app Perl-CGI legacy.
   Replica los tokens visuales del home page (CodeIgniter + Bootstrap 5):
   paleta, tipografia, radios, sombras, botones, inputs, tablas y utilidades.
   Es aditivo y conservador: solo pinta, no altera layout ni media.
   Se enlaza con ruta absoluta: /Dependencies/css/edukusy-theme.css
   ========================================================================== */

:root {
  --edu-primary: #0d6efd;
  --edu-primary-dark: #0a58ca;
  --edu-secondary: #6c757d;
  --edu-success: #198754;
  --edu-warning: #ffc107;
  --edu-danger: #dc3545;
  --edu-info: #0dcaf0;
  --edu-dark: #212529;
  --edu-light: #f8f9fa;
  --edu-body-bg: #f8f9fa;
  --edu-body-color: #212529;
  --edu-muted: #6c757d;
  --edu-border: #dee2e6;
  --edu-radius: 0.5rem;
  --edu-radius-sm: 0.375rem;
  --edu-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
  --edu-shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --edu-font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
    "Noto Sans", Arial, sans-serif;
  --edu-mono: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
}

/* --- Reset minimo / neutralizacion de HTML presentacional obsoleto -------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--edu-font);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--edu-body-color);
  background-color: var(--edu-body-bg);
  -webkit-font-smoothing: antialiased;
}

/* <font> legacy: hereda la tipografia del tema, pero conserva los tamanos y
   colores presentacionales (p. ej. rojo para respuestas incorrectas). */
font {
  font-family: inherit;
}

/* <center> legacy: NO se sobreescribe. El elemento nativo centra tambien
   tablas de bloque; forzar text-align:center las dejaba alineadas a la
   izquierda (p. ej. la fase de pregunta de la leccion). */

/* bgcolor/background/text legacy: deja actuar al CSS del tema y neutraliza
   imagenes de fondo viejas (p. ej. fondos alojados en el dominio anterior). */
body[bgcolor],
body[text] {
  color: var(--edu-body-color);
}

body[background],
table[background],
td[background] {
  background-image: none !important;
}

img {
  border-style: none;
}

/* --- Tipografia ---------------------------------------------------------- */

h1,
h2,
h3,
h4,
h5,
h6 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-weight: 500;
  line-height: 1.2;
  color: var(--edu-dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

b,
strong {
  font-weight: 700;
}

small,
.edu-small {
  font-size: 0.875em;
}

.edu-muted,
.text-muted {
  color: var(--edu-muted) !important;
}

.edu-title {
  font-weight: 600;
  color: var(--edu-dark);
  margin-bottom: 0.75rem;
}

.edu-center { text-align: center; }
.edu-right { text-align: right; }
.edu-left { text-align: left; }

/* --- Enlaces ------------------------------------------------------------- */

a {
  color: var(--edu-primary);
  text-decoration: none;
}

a:hover {
  color: var(--edu-primary-dark);
  text-decoration: underline;
}

/* --- Controles de formulario -------------------------------------------- */

input,
select,
textarea,
button {
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.5;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="search"],
input[type="tel"],
input[type="url"],
input[type="date"],
input[type="datetime-local"],
input[type="month"],
input[type="time"],
input[type="week"],
input[type="file"],
select,
textarea {
  display: inline-block;
  padding: 0.4rem 0.7rem;
  color: var(--edu-body-color);
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid #ced4da;
  border-radius: var(--edu-radius-sm);
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
  max-width: 100%;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
input[type="search"]:focus,
input[type="tel"]:focus,
input[type="url"]:focus,
input[type="file"]:focus,
select:focus,
textarea:focus {
  outline: 0;
  border-color: #86b7fe;
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

input[type="checkbox"],
input[type="radio"] {
  margin-right: 0.35rem;
  vertical-align: middle;
}

label {
  display: inline-block;
  margin-bottom: 0.25rem;
}

/* Botones genericos y submits legacy. */
button,
input[type="submit"],
input[type="button"],
input[type="reset"],
.edu-btn {
  display: inline-block;
  padding: 0.45rem 1rem;
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  vertical-align: middle;
  cursor: pointer;
  border: 1px solid transparent;
  border-radius: var(--edu-radius-sm);
  background-color: var(--edu-primary);
  color: #fff;
  transition: background-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

button:hover,
input[type="submit"]:hover,
input[type="button"]:hover,
.edu-btn:hover {
  background-color: var(--edu-primary-dark);
  color: #fff;
  text-decoration: none;
}

input[type="reset"] {
  background-color: var(--edu-secondary);
}

input[type="reset"]:hover {
  background-color: #5c636a;
}

.edu-btn-secondary { background-color: var(--edu-secondary); }
.edu-btn-secondary:hover { background-color: #5c636a; }
.edu-btn-success { background-color: var(--edu-success); }
.edu-btn-success:hover { background-color: #146c43; }
.edu-btn-warning { background-color: var(--edu-warning); color: #000; }
.edu-btn-warning:hover { background-color: #ffca2c; color: #000; }
.edu-btn-danger { background-color: var(--edu-danger); }
.edu-btn-danger:hover { background-color: #bb2d3b; }
.edu-btn-sm { padding: 0.25rem 0.6rem; font-size: 0.875rem; }
.edu-btn-lg { padding: 0.6rem 1.3rem; font-size: 1.15rem; }

/* --- Tablas -------------------------------------------------------------- */

table {
  border-collapse: collapse;
}

table[border="1"],
table.edu-table {
  border: 1px solid var(--edu-border);
}

table[border="1"] td,
table[border="1"] th,
table.edu-table td,
table.edu-table th {
  border: 1px solid var(--edu-border);
  padding: 0.5rem 0.75rem;
}

table.edu-table th {
  background-color: var(--edu-light);
  text-align: left;
  font-weight: 600;
}

.edu-table-striped tbody tr:nth-of-type(odd) {
  background-color: rgba(0, 0, 0, 0.03);
}

/* --- Tarjetas, paneles, alertas ----------------------------------------- */

.edu-card {
  background-color: #fff;
  border: 1px solid rgba(0, 0, 0, 0.125);
  border-radius: var(--edu-radius);
  box-shadow: var(--edu-shadow-sm);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}

.edu-card-title {
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.edu-alert {
  position: relative;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
  border-radius: var(--edu-radius-sm);
  background-color: #e2e3e5;
  color: #41464b;
}

.edu-alert-success { background-color: #d1e7dd; color: #0f5132; }
.edu-alert-danger { background-color: #f8d7da; color: #842029; }
.edu-alert-warning { background-color: #fff3cd; color: #664d03; }
.edu-alert-info { background-color: #cff4fc; color: #055160; }

/* --- Encabezado / pie de pagina ----------------------------------------- */

.edu-navbar {
  background-color: var(--edu-dark);
  color: #fff;
  padding: 0.5rem 1rem;
}

.edu-navbar a {
  color: rgba(255, 255, 255, 0.85);
}

.edu-navbar a:hover {
  color: #fff;
}

.edu-footer {
  background-color: var(--edu-dark);
  color: #fff;
  text-align: center;
  padding: 1.25rem 1rem;
  margin-top: 2rem;
}

.edu-footer p {
  margin: 0;
}

/* --- Contenedores y utilidades de layout -------------------------------- */

.edu-container {
  width: 100%;
  max-width: 1140px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.edu-page {
  padding: 1.5rem 1rem;
}

.edu-mt { margin-top: 1rem; }
.edu-mb { margin-bottom: 1rem; }
.edu-mt-lg { margin-top: 2rem; }
.edu-mb-lg { margin-bottom: 2rem; }
.edu-p { padding: 1rem; }
.edu-divider {
  height: 0;
  margin: 1rem 0;
  border: 0;
  border-top: 1px solid var(--edu-border);
}

hr {
  margin: 1rem 0;
  border: 0;
  border-top: 1px solid var(--edu-border);
  opacity: 0.5;
}

/* --- Dialogos/paneles de login legacy (look tarjeta centrada) ----------- */
/* No fuerza layout global; solo si el autor lo opta con .edu-login. */

.edu-login {
  max-width: 480px;
  margin: 2.5rem auto;
  background: #fff;
  border: 1px solid var(--edu-border);
  border-radius: var(--edu-radius);
  box-shadow: var(--edu-shadow);
  padding: 1.75rem;
  text-align: center;
}

.edu-login img {
  margin-bottom: 1rem;
}

.edu-login table {
  margin: 0 auto 1rem auto;
}

.edu-login td {
  padding: 0.25rem 0.4rem;
  text-align: left;
}

/* ==========================================================================
   Componentes v2 — barra superior sobria, autenticacion y paneles
   ========================================================================== */

/* --- Barra superior sobria (clara, delgada) ----------------------------- */

.edu-topbar {
  background-color: #ffffff;
  border-bottom: 1px solid var(--edu-border);
  box-shadow: var(--edu-shadow-sm);
}

.edu-topbar-inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0.5rem 1rem;
}

.edu-brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.edu-brand:hover {
  text-decoration: none;
}

.edu-brand-logo {
  height: 40px;
  width: auto;
  display: block;
}

.edu-topbar-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--edu-dark);
  letter-spacing: 0.01em;
}

.edu-topbar-spacer {
  flex: 1 1 auto;
}

.edu-topbar-user {
  font-size: 0.9rem;
  color: var(--edu-muted);
}

/* --- Pie de pagina sobrio ----------------------------------------------- */

.edu-footer {
  background-color: #ffffff;
  color: var(--edu-muted);
  border-top: 1px solid var(--edu-border);
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
  font-size: 0.875rem;
  box-shadow: none;
}

.edu-footer p {
  margin: 0;
}

/* --- Autenticacion (login / registro / idioma) -------------------------- */

.edu-auth {
  width: 100%;
  max-width: 460px;
  margin: 2.5rem auto;
  background: #fff;
  border: 1px solid var(--edu-border);
  border-radius: var(--edu-radius);
  box-shadow: var(--edu-shadow);
  padding: 2rem 2rem 1.75rem;
  text-align: center;
}

.edu-auth-wide {
  max-width: 760px;
}

.edu-auth-logo {
  height: 56px;
  width: auto;
  margin-bottom: 1rem;
}

.edu-auth-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--edu-dark);
  margin-bottom: 0.35rem;
}

.edu-auth-subtitle {
  font-size: 0.95rem;
  color: var(--edu-muted);
  margin-bottom: 1.5rem;
}

.edu-auth .edu-actions {
  margin-top: 1.25rem;
}

/* Fin de sesion: tarjeta de exito centrada. */
.edu-session-end {
  width: 100%;
  max-width: 560px;
  margin: 3rem auto;
  background: #fff;
  border: 1px solid var(--edu-border);
  border-top: 5px solid var(--edu-success);
  border-radius: var(--edu-radius);
  box-shadow: var(--edu-shadow);
  padding: 2.5rem 2rem 2rem;
  text-align: center;
}

.edu-session-check {
  width: 76px;
  height: 76px;
  line-height: 76px;
  margin: 0.25rem auto 1.1rem;
  border-radius: 50%;
  background: var(--edu-success);
  color: #fff;
  font-size: 2.4rem;
  font-weight: 700;
  box-shadow: 0 0 0 8px rgba(25, 135, 84, 0.15);
}

.edu-session-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--edu-dark);
  margin-bottom: 0.6rem;
}

.edu-session-msg {
  font-size: 1.05rem;
  color: var(--edu-body-color);
  margin-bottom: 0.25rem;
}

.edu-session-redirect {
  font-size: 0.85rem;
  margin-top: 1rem;
  margin-bottom: 0;
}

@media (max-width: 640px) {
  .edu-session-end {
    margin: 1.25rem 0.5rem;
    padding: 1.75rem 1.25rem;
  }
}

/* Selector de leccion: panel con arbol + buscador + lista de resultados. */
.edu-auth-xl {
  max-width: 1040px;
}

.edu-picker-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 1rem;
  margin-top: 1rem;
  text-align: left;
}

.edu-lesson-tree {
  border: 1px solid var(--edu-border);
  border-radius: var(--edu-radius-sm);
  background: #fff;
  padding: 0.4rem;
  max-height: 480px;
  overflow: auto;
}

.edu-tree-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.edu-tree-list .edu-tree-list {
  margin-left: 0.85rem;
  border-left: 1px dashed var(--edu-border);
  padding-left: 0.35rem;
}

.edu-tree-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  width: 100%;
  border: 0;
  background: transparent;
  padding: 0.3rem 0.4rem;
  border-radius: 0.3rem;
  font-size: 0.85rem;
  color: var(--edu-body-color);
  text-align: left;
  cursor: pointer;
}

.edu-tree-item:hover {
  background: #f1f3f5;
}

.edu-tree-item.is-active {
  background: #e7f1ff;
  color: var(--edu-primary);
  font-weight: 600;
}

/* Nodo especial "Asignadas para ti": color propio. */
.edu-tree-item.is-assigned-node {
  background: #fff7e6;
  border-left: 3px solid #f0ad4e;
  color: #8a5a00;
  font-weight: 600;
}

.edu-tree-item.is-assigned-node:hover {
  background: #ffefd1;
}

.edu-tree-item.is-assigned-node.is-active {
  background: #f0ad4e;
  color: #fff;
}

.edu-tree-item.is-assigned-node .edu-tree-count,
.edu-tree-item.is-assigned-node .edu-tree-caret {
  color: inherit;
}

.edu-tree-item.is-assigned-node.is-active .edu-tree-star {
  color: #fff;
}

.edu-tree-caret {
  width: 0.9rem;
  color: var(--edu-muted);
  font-size: 0.7rem;
  cursor: pointer;
}

.edu-tree-count {
  margin-left: auto;
  font-size: 0.72rem;
  color: var(--edu-muted);
}

.edu-tree-star {
  color: #f0ad4e;
  font-size: 0.75rem;
  margin-left: 0.3rem;
}

.edu-lesson-panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.edu-lesson-search {
  margin-bottom: 0.35rem;
}

.edu-lesson-count {
  font-size: 0.78rem;
  color: var(--edu-muted);
  margin-bottom: 0.4rem;
}

.edu-lesson-results {
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--edu-border);
  border-radius: var(--edu-radius-sm);
  background: #fff;
}

.edu-lesson-group {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 0.35rem 0.65rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--edu-muted);
  background: var(--edu-light);
  border-bottom: 1px solid var(--edu-border);
}

.edu-lesson-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.32rem 0.6rem;
  border: 0;
  border-bottom: 1px solid #f1f3f5;
  background: transparent;
  font-size: 0.85rem;
  line-height: 1.25;
  color: var(--edu-body-color);
  cursor: pointer;
}

.edu-lesson-item:hover {
  background: #f1f3f5;
}

.edu-lesson-item.is-selected {
  background: #dbe9ff;
  color: var(--edu-primary-dark);
  font-weight: 700;
  border-left: 4px solid var(--edu-primary);
}

.edu-lesson-item.is-selected:hover {
  background: #d0e2ff;
}

.edu-lesson-check {
  color: var(--edu-primary);
  margin-right: 0.35rem;
}

/* Banner de la leccion seleccionada. */
.edu-lesson-selected {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.75rem;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--edu-primary);
  border-left: 5px solid var(--edu-primary);
  background: #e7f1ff;
  border-radius: var(--edu-radius-sm);
  color: var(--edu-dark);
}

.edu-lesson-selected:empty {
  display: none;
}

.edu-selected-check {
  flex: 0 0 auto;
  width: 1.6rem;
  height: 1.6rem;
  line-height: 1.6rem;
  text-align: center;
  border-radius: 50%;
  background: var(--edu-primary);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
}

.edu-selected-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.edu-selected-text strong {
  font-size: 0.95rem;
}

.edu-selected-meta {
  font-size: 0.78rem;
  color: var(--edu-muted);
  margin-top: 0.1rem;
}

.edu-lesson-item.is-cursor {
  background: #f1f3f5;
  outline: 2px solid rgba(13, 110, 253, 0.35);
  outline-offset: -2px;
}

.edu-lesson-name {
  display: block;
}

.edu-lesson-id {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--edu-secondary);
  background: var(--edu-light);
  border: 1px solid var(--edu-border);
  border-radius: 999px;
  padding: 0 0.4rem;
  margin-right: 0.4rem;
}

.edu-lesson-star {
  color: #f0ad4e;
  margin-right: 0.35rem;
}

.edu-lesson-item.is-assigned {
  border-left: 3px solid #f0ad4e;
}

.edu-lesson-path {
  display: block;
  font-size: 0.72rem;
  color: var(--edu-muted);
  margin-top: 0.1rem;
}

.edu-lesson-empty {
  padding: 0.7rem;
  font-size: 0.85rem;
  color: var(--edu-muted);
}

.edu-lesson-selected {
  margin-top: 0.6rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--edu-success);
}

.edu-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
  text-align: left;
}

@media (max-width: 860px) {
  .edu-picker-layout {
    grid-template-columns: 1fr;
  }
  .edu-form-grid {
    grid-template-columns: 1fr;
  }
  .edu-lesson-tree {
    max-height: 220px;
  }
}

/* Eleccion de idioma: dos botones (el preferido por geo/landing resaltado). */
.edu-lang-choices {
  justify-content: center;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.edu-lang-choice {
  min-width: 150px;
}

.edu-lang-choice.is-preferred {
  background-color: var(--edu-primary);
  border-color: transparent;
}

.edu-lang-choice.is-preferred:hover {
  background-color: var(--edu-primary-dark);
}

/* Tarjetas de eleccion (grupo, etc.): grandes y tactiles, sin dropdown. */
.edu-choice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.edu-choice {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 64px;
  padding: 1rem 1.1rem;
  border: 2px solid var(--edu-border);
  border-radius: var(--edu-radius);
  background: #fff;
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--edu-body-color);
  text-align: center;
  transition: border-color 0.15s, background-color 0.15s, box-shadow 0.15s;
}

.edu-choice:hover {
  border-color: var(--edu-primary);
  background: #f5f9ff;
}

.edu-choice input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.edu-choice:has(input:checked) {
  border-color: var(--edu-primary);
  background: #e7f1ff;
  color: var(--edu-primary-dark);
  box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.2);
}

.edu-choice:has(input:focus-visible) {
  outline: 2px solid var(--edu-primary);
  outline-offset: 2px;
}

/* Respaldo para navegadores sin :has() */
.edu-choice input:checked + .edu-choice-label {
  color: var(--edu-primary-dark);
}

.edu-choice input:checked + .edu-choice-label::before {
  content: "\2714  ";
  color: var(--edu-primary);
}

/* Separacion entre los campos/select y el boton de envio del login. */
.edu-auth form table {
  margin-bottom: 1rem;
}

.edu-auth button,
.edu-auth input[type="submit"],
.edu-auth input[type="reset"] {
  margin-top: 0.5rem;
}

/* Dentro de una fila de acciones, un boton y un enlace deben alinearse igual:
   anula el margin-top que solo recibe el <button> (boton "Volver" vs enlace). */
.edu-auth .edu-actions button,
.edu-auth .edu-actions input[type="submit"],
.edu-auth .edu-actions input[type="reset"] {
  margin-top: 0;
}

/* --- Formularios -------------------------------------------------------- */

.edu-form {
  text-align: left;
}

.edu-form-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
}

.edu-field {
  margin-bottom: 1rem;
}

.edu-field-inline {
  display: flex;
  flex-direction: column;
}

.edu-label {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--edu-dark);
}

.edu-input,
.edu-select,
.edu-textarea {
  display: block;
  width: 100%;
  padding: 0.55rem 0.75rem;
  font-size: 1rem;
  color: var(--edu-body-color);
  background-color: #fff;
  border: 1px solid #ced4da;
  border-radius: var(--edu-radius-sm);
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.edu-input:focus,
.edu-select:focus,
.edu-textarea:focus {
  outline: 0;
  border-color: #86b7fe;
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.edu-help {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.8rem;
  color: var(--edu-muted);
}

/* --- Validación de formularios (inline, sin página aparte) ---------------- */

/* Asterisco de campo obligatorio */
.edu-req {
  color: var(--edu-danger);
  margin-left: 0.15rem;
  font-weight: 700;
}

/* Campos inválidos tras interactuar (no parpadean mientras se escribe) */
.edu-input:user-invalid,
.edu-select:user-invalid,
.edu-textarea:user-invalid {
  border-color: var(--edu-danger);
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.15);
}

/* Fallback para navegadores sin :user-invalid (se marca con JS) */
.edu-input.edu-invalid,
.edu-select.edu-invalid,
.edu-textarea.edu-invalid {
  border-color: var(--edu-danger);
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.15);
}

/* Banner de error (a nivel de formulario) */
.edu-alert {
  display: block;
  padding: 0.7rem 0.9rem;
  margin: 0.75rem 0;
  border-radius: 0.4rem;
  font-size: 0.92rem;
  border: 1px solid transparent;
}
.edu-alert-danger {
  color: #842029;
  background-color: #f8d7da;
  border-color: #f5c2c7;
}
.edu-alert-success {
  color: #0f5132;
  background-color: #d1e7dd;
  border-color: #badbcc;
}

/* Mensaje de error pegado al campo */
.edu-form-error {
  display: none;
  margin-top: 0.25rem;
  font-size: 0.8rem;
  color: var(--edu-danger);
}
.edu-field.edu-invalid .edu-form-error {
  display: block;
}

/* Botones "Limpiar" junto a un input de archivo: separar del cuadro de selección */
[id^="clear_input"] {
  margin-top: 0.5rem;
}

.edu-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.edu-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  justify-content: center;
  margin-top: 1rem;
}

/* --- Paneles de control ------------------------------------------------- */

.edu-panel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.edu-panel {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: #fff;
  border: 1px solid var(--edu-border);
  border-radius: var(--edu-radius);
  box-shadow: var(--edu-shadow-sm);
  padding: 1.25rem;
}

.edu-panel-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--edu-dark);
  margin: 0 0 0.25rem;
}

.edu-panel-icon {
  font-size: 1.9rem;
  color: var(--edu-primary);
  line-height: 1;
}

.edu-panel-text {
  font-size: 0.9rem;
  color: var(--edu-muted);
  margin: 0 0 0.9rem;
  flex: 1 1 auto;
}

.edu-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.edu-panel-header .edu-title {
  margin-bottom: 0.15rem;
}

.edu-panel-user {
  font-size: 0.9rem;
  color: var(--edu-muted);
}

/* Grupos existentes (Angel): tarjetas */
.edu-group-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 1rem;
}

.edu-group-table > tbody > tr > td {
  vertical-align: top;
  padding: 0 0.5rem;
}

.edu-group-card {
  width: 100%;
  min-width: 240px;
  background: #fff;
  border: 1px solid var(--edu-border);
  border-radius: var(--edu-radius);
  box-shadow: var(--edu-shadow-sm);
  padding: 0;
  overflow: hidden;
}

.edu-group-card > tbody > tr:first-child > td {
  background: var(--edu-primary);
  color: #fff;
  padding: 0.55rem 0.85rem;
}

.edu-group-name {
  font-size: 1rem;
  color: #fff;
}

.edu-group-sub {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--edu-muted);
  padding: 0.5rem 0.85rem 0.15rem;
}

.edu-group-chips {
  padding: 0 0.85rem 0.5rem;
  line-height: 1.9;
}

.edu-group-angel {
  display: inline-block;
  background: #fff3cd;
  color: #8a5a00;
  border: 1px solid #ffe69c;
  border-radius: 999px;
  padding: 0.05rem 0.55rem;
  margin: 0.1rem 0.25rem 0.1rem 0;
  font-size: 0.78rem;
  font-weight: 600;
}

.edu-group-student {
  display: inline-block;
  background: var(--edu-light);
  color: var(--edu-body-color);
  border: 1px solid var(--edu-border);
  border-radius: 999px;
  padding: 0.05rem 0.55rem;
  margin: 0.1rem 0.25rem 0.1rem 0;
  font-size: 0.8rem;
}

/* Monitoreo de grupo: barra de herramientas, chips y caja de mensaje */
.edu-students-toolbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0 0.5rem;
}

.edu-students-toolbar .edu-muted {
  margin-right: 0.25rem;
}

.edu-chip {
  display: inline-block;
  border: 1px solid var(--edu-border);
  background: var(--edu-light);
  color: var(--edu-body-color);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
  font-size: 0.78rem;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.edu-chip:hover {
  background: #e7f1ff;
  color: var(--edu-primary-dark);
  border-color: #b6d4fe;
}

.edu-msgbar {
  display: flex;
  gap: 0.4rem;
  align-items: stretch;
}

.edu-student-msg {
  flex: 1 1 auto;
}

.edu-btn-send {
  background-color: var(--edu-success);
}

.edu-btn-send:hover {
  background-color: #146c43;
}

.edu-quickmsg {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.1rem;
}

.edu-student-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.15rem;
}

.edu-student-progress {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.edu-student-progress .edu-progress {
  flex: 1 1 auto;
}

.edu-student-progress-label {
  font-size: 0.72rem;
  color: var(--edu-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.edu-progress-text {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--edu-dark);
}

.edu-panel .edu-btn {
  width: 100%;
}

/* --- Insignias y progreso ---------------------------------------------- */

.edu-badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1;
  border-radius: 999px;
  background-color: var(--edu-light);
  color: var(--edu-dark);
  border: 1px solid var(--edu-border);
}

.edu-badge-primary { background-color: var(--edu-primary); color: #fff; border-color: transparent; }
.edu-badge-success { background-color: var(--edu-success); color: #fff; border-color: transparent; }
.edu-badge-warning { background-color: var(--edu-warning); color: #000; border-color: transparent; }

.edu-progress {
  display: block;
  width: 100%;
  height: 0.75rem;
  background-color: #e9ecef;
  border-radius: 999px;
  overflow: hidden;
}

.edu-progress-bar {
  height: 100%;
  background-color: var(--edu-primary);
  border-radius: 999px;
}

/* --- Iconos (Font Awesome SVG+JS) -------------------------------------- */

.edu-btn i,
.edu-btn .svg-inline--fa,
.edu-icon {
  margin-right: 0.4rem;
}

.edu-btn-icon-only i,
.edu-btn-icon-only .svg-inline--fa {
  margin-right: 0;
}

/* --- Ajustes de media legacy ------------------------------------------- */

.edu-main {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
}

.edu-main-fluid {
  width: 100%;
  padding: 1rem;
}

@media (max-width: 640px) {
  .edu-auth {
    margin: 1.25rem 0.75rem;
    padding: 1.5rem 1.25rem;
  }

  .edu-topbar-title {
    font-size: 1rem;
  }

  .edu-brand-logo {
    height: 32px;
  }
}

/* Aviso "Mensaje de tu Angel" en la pantalla de leccion del estudiante. */
.edu-angel-msg {
  position: fixed;
  top: 1rem;
  left: 50%;
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  min-width: 280px;
  max-width: min(560px, 92vw);
  padding: 0.8rem 1rem;
  background: #fff;
  border: 1px solid var(--edu-border);
  border-left: 6px solid #e6892b;
  border-radius: 14px;
  box-shadow: 0 12px 32px rgba(16, 24, 40, 0.18);
  z-index: 9999;
  opacity: 0;
  transform: translate(-50%, -140%);
  pointer-events: none;
  transition: transform 0.32s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.32s ease;
  font-family: inherit;
  font-size: 1rem;
  text-align: left;
  line-height: 1.35;
  white-space: normal;
}

.edu-angel-msg.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
  pointer-events: auto;
}

.edu-angel-msg-icon {
  flex: 0 0 auto;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 50%;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
}

.edu-angel-msg-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.edu-angel-msg-title {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--edu-muted);
}

.edu-angel-msg-body {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--edu-dark);
}

@media (prefers-reduced-motion: reduce) {
  .edu-angel-msg {
    transform: translate(-50%, 0);
    transition: opacity 0.2s ease;
  }
}

/* ==========================================================================
   Videollamada compartida (Jitsi) - Angel y Estudiante
   ========================================================================== */
.edu-jitsi-fab {
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  z-index: 10000;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1.05rem 0.7rem 0.8rem;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, #0d6efd, #0a58ca);
  color: #fff;
  font: 700 0.95rem/1 inherit;
  cursor: pointer;
  box-shadow: 0 10px 26px rgba(13, 110, 253, 0.35);
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.edu-jitsi-fab:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(13, 110, 253, 0.42); }
.edu-jitsi-fab-icon { display: inline-flex; width: 1.5rem; justify-content: center; font-size: 1.1rem; }
.edu-jitsi-fab.is-active { background: linear-gradient(135deg, #dc3545, #b02a37); box-shadow: 0 10px 26px rgba(220, 53, 69, 0.35); }
.edu-jitsi-fab.is-loading { opacity: 0.9; }
.edu-jitsi-fab.is-ringing {
  background: linear-gradient(135deg, #198754, #0f6b43);
  animation: eduJitsiRing 1.4s ease-in-out infinite;
}
.edu-jitsi-fab-ring {
  position: absolute; inset: -4px; border-radius: 999px;
  border: 2px solid rgba(25, 135, 84, 0.55); opacity: 0; pointer-events: none;
}
.edu-jitsi-fab.is-ringing .edu-jitsi-fab-ring { animation: eduJitsiHalo 1.4s ease-out infinite; }
@keyframes eduJitsiRing {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}
@keyframes eduJitsiHalo {
  0% { opacity: 0.7; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.18); }
}

.edu-jitsi-panel {
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  z-index: 10001;
  width: min(760px, 96vw);
  height: min(74vh, 580px);
  display: flex;
  flex-direction: column;
  background: #0b1220;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(8, 15, 30, 0.5);
  animation: eduJitsiUp 0.28s cubic-bezier(0.2, 0.8, 0.2, 1);
}
@keyframes eduJitsiUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
.edu-jitsi-panel.is-min { height: auto; }
.edu-jitsi-panel.is-min .edu-jitsi-stage { display: none; }
.edu-jitsi-panel.is-max {
  inset: 0.5rem;
  width: auto;
  height: auto;
  max-width: none;
  max-height: none;
  border-radius: 16px;
}
.edu-jitsi-panel.is-max .edu-jitsi-stage { min-height: 0; }

.edu-jitsi-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.55rem;
  padding: 0.55rem 0.75rem;
  background: #101a2e;
  color: #e8eefc;
  font-size: 0.85rem;
}
.edu-jitsi-tools { display: inline-flex; align-items: center; flex-wrap: wrap; gap: 0.35rem; }
.edu-jitsi-dot { width: 0.6rem; height: 0.6rem; border-radius: 50%; background: #ffc107; }
.edu-jitsi-panel.is-live .edu-jitsi-dot { background: #198754; }
.edu-jitsi-title { font-weight: 700; }
.edu-jitsi-timer { font-variant-numeric: tabular-nums; color: #9fb2d4; }
.edu-jitsi-count { color: #9fb2d4; font-size: 0.78rem; }
.edu-jitsi-spacer { flex: 1; }
.edu-jitsi-iconbtn {
  border: 0; background: rgba(255, 255, 255, 0.08); color: #e8eefc;
  width: 2rem; height: 2rem; border-radius: 8px; cursor: pointer; font-size: 0.85rem;
  flex: 0 0 auto;
  transition: background 0.15s ease, color 0.15s ease;
}
.edu-jitsi-iconbtn:hover { background: rgba(255, 255, 255, 0.18); }
.edu-jitsi-iconbtn.is-on { background: rgba(25, 135, 84, 0.35); color: #7fe0a8; }
.edu-jitsi-hang {
  display: inline-flex; align-items: center; gap: 0.4rem;
  border: 0; border-radius: 8px; padding: 0.45rem 0.8rem; cursor: pointer;
  background: #dc3545; color: #fff; font-weight: 700; font-size: 0.82rem;
}
.edu-jitsi-hang:hover { background: #b02a37; }

.edu-jitsi-stage { flex: 1 1 auto; position: relative; background: #000; min-height: 320px; }
.edu-jitsi-stage iframe { display: block !important; width: 100% !important; height: 100% !important; min-height: 320px; border: 0; }
.edu-jitsi-loading {
  position: absolute; inset: 0; display: flex; flex-direction: column; gap: 0.7rem;
  align-items: center; justify-content: center;
  color: #7f95bb; font-size: 2rem;
}
.edu-jitsi-loading-text { font-size: 0.9rem; font-weight: 600; letter-spacing: 0.02em; }

.edu-jitsi-toast {
  position: fixed;
  top: 1rem; left: 50%;
  z-index: 10002;
  transform: translate(-50%, -140%);
  padding: 0.65rem 1.05rem;
  background: #101a2e;
  color: #fff;
  border-radius: 999px;
  box-shadow: 0 12px 30px rgba(8, 15, 30, 0.35);
  font-weight: 600; font-size: 0.9rem;
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.3s ease;
}
.edu-jitsi-toast.is-show { opacity: 1; transform: translate(-50%, 0); }

/* Aviso de llamada entrante (estudiante) */
.edu-jitsi-incoming {
  position: fixed;
  inset: 0;
  z-index: 10003;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8, 15, 30, 0.55);
  backdrop-filter: blur(3px);
}
/* El atributo hidden NO basta: estos elementos definen display:flex/inline-flex
   y eso pisa el display:none por defecto del [hidden]. Los forzamos a none. */
.edu-jitsi-fab[hidden],
.edu-jitsi-panel[hidden],
.edu-jitsi-incoming[hidden] { display: none !important; }
.edu-jitsi-incoming-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  width: min(340px, 92vw);
  padding: 1.6rem 1.4rem;
  background: #101a2e;
  color: #e8eefc;
  border-radius: 18px;
  box-shadow: 0 24px 60px rgba(8, 15, 30, 0.55);
  text-align: center;
  animation: eduJitsiUp 0.28s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.edu-jitsi-incoming-avatar {
  display: flex; align-items: center; justify-content: center;
  width: 3.6rem; height: 3.6rem; border-radius: 50%;
  background: rgba(13, 110, 253, 0.18); color: #6ea8fe; font-size: 1.7rem;
  animation: eduJitsiHaloIn 1.6s ease-out infinite;
}
@keyframes eduJitsiHaloIn {
  0% { box-shadow: 0 0 0 0 rgba(25, 135, 84, 0.55); }
  100% { box-shadow: 0 0 0 18px rgba(25, 135, 84, 0); }
}
.edu-jitsi-incoming-title { font-size: 1.15rem; font-weight: 700; }
.edu-jitsi-incoming-sub { font-size: 0.9rem; color: #9fb2d4; min-height: 1.2em; }
.edu-jitsi-incoming-btns { display: flex; gap: 0.7rem; margin-top: 0.7rem; }
.edu-jitsi-incoming-btns button {
  display: inline-flex; align-items: center; gap: 0.45rem;
  border: 0; border-radius: 999px; padding: 0.6rem 1.1rem; cursor: pointer;
  font-weight: 700; font-size: 0.9rem; color: #fff;
}
.edu-jitsi-incoming-btns .edu-jitsi-decline { background: #dc3545; }
.edu-jitsi-incoming-btns .edu-jitsi-decline:hover { background: #b02a37; }
.edu-jitsi-incoming-btns .edu-jitsi-accept { background: linear-gradient(135deg, #198754, #0f6b43); }
.edu-jitsi-incoming-btns .edu-jitsi-accept:hover { background: linear-gradient(135deg, #1b9a5f, #117a4b); }

/* Boton propio del panel del Angel (trigger) */
.edu-callbtn.is-ringing { animation: eduJitsiRing 1.4s ease-in-out infinite; }
.edu-callbtn.is-calling { background: #dc3545 !important; border-color: #dc3545 !important; color: #fff !important; }

@media (max-width: 640px) {
  .edu-jitsi-panel {
    right: 0; left: 0; bottom: 0; width: 100vw; height: 82vh;
    border-radius: 16px 16px 0 0;
  }
  .edu-jitsi-fab { right: 0.8rem; bottom: 0.8rem; }
}
@media (prefers-reduced-motion: reduce) {
  .edu-jitsi-fab.is-ringing, .edu-jitsi-fab.is-ringing .edu-jitsi-fab-ring, .edu-callbtn.is-ringing,
  .edu-jitsi-incoming-avatar { animation: none; }
}

/* ==========================================================================
   Angel — detalle del estudiante (lista de infobits)
   ========================================================================== */
.edu-spacer { flex: 1; }
.edu-infobit-toolbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0.5rem 0 0.9rem;
}
.edu-infobit-list { display: flex; flex-direction: column; gap: 0.8rem; }
.edu-infobit-card {
  background: #fff;
  border: 1px solid var(--edu-border);
  border-left: 6px solid var(--edu-border);
  border-radius: 10px;
  box-shadow: var(--edu-shadow-sm);
  padding: 0.85rem 0.95rem;
}
.edu-infobit-card.one   { --edu-accent:#198754; --edu-soft:#e7f6ec; border-left-color:#198754; }
.edu-infobit-card.two   { --edu-accent:#b8860b; --edu-soft:#fff6da; border-left-color:#ffc107; }
.edu-infobit-card.three { --edu-accent:#c2600a; --edu-soft:#ffead9; border-left-color:#fd7e14; }
.edu-infobit-card.four  { --edu-accent:#c0262f; --edu-soft:#fde3e5; border-left-color:#dc3545; }
.edu-infobit-card.five  { --edu-accent:#6f42c1; --edu-soft:#efe7fb; border-left-color:#6f42c1; }
.edu-infobit-card.six   { --edu-accent:#1b6ec2; --edu-soft:#e4effb; border-left-color:#0d6efd; }
.edu-infobit-head { display: flex; align-items: baseline; gap: 0.6rem; flex-wrap: wrap; }
.edu-infobit-title { font-weight: 700; color: var(--edu-dark); font-size: 1rem; }
.edu-infobit-id {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.01em;
  color: var(--edu-accent, #555); background: var(--edu-soft, #eef1f4);
  padding: 0.1rem 0.5rem; border-radius: 999px;
}
.edu-infobit-sec { margin-top: 0.6rem; display: flex; flex-direction: column; gap: 0.3rem; }
.edu-infobit-sec-title {
  font-size: 0.78rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.03em;
  color: var(--edu-muted);
}
.edu-infobit-link {
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.35rem 0.65rem; border-radius: 8px;
  background: var(--edu-soft, #f2f4f7); color: var(--edu-accent, #0d6efd);
  font-size: 0.88rem; font-weight: 600; text-decoration: none; width: fit-content;
}
.edu-infobit-link:hover { background: var(--edu-accent, #0d6efd); color: #fff; text-decoration: none; }
.edu-infobit-reset { margin-top: 0.65rem; margin-bottom: 0; }
.edu-infobit-expl { margin-top: 0.5rem; color: var(--edu-body-color); font-size: 0.9rem; line-height: 1.45; white-space: pre-line; }

/* ==========================================================================
   Angel — progreso de estudiantes
   ========================================================================== */
.edu-progress-card {
  background: #fff;
  border: 1px solid var(--edu-border);
  border-radius: 10px;
  box-shadow: var(--edu-shadow-sm);
  padding: 0.75rem 0.9rem;
  margin-bottom: 0.7rem;
}
.edu-progress-head { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.edu-progress-id {
  font-size: 0.72rem; font-weight: 800; letter-spacing: 0.02em; text-transform: uppercase;
  color: var(--edu-primary, #0d6efd); background: rgba(13, 110, 253, 0.1);
  padding: 0.1rem 0.5rem; border-radius: 999px;
}
.edu-progress-status { font-size: 0.72rem; font-weight: 700; padding: 0.12rem 0.55rem; border-radius: 999px; }
.edu-progress-status.is-done { background: #e7f6ec; color: #198754; }
.edu-progress-status.is-active { background: #e7f1ff; color: #0d6efd; }
.edu-progress-rows { display: flex; flex-wrap: wrap; gap: 0.3rem 1.4rem; margin-top: 0.5rem; font-size: 0.85rem; color: var(--edu-muted); }
.edu-progress-rows b { color: var(--edu-dark); }
.edu-progress-bar { height: 8px; background: #eef1f4; border-radius: 999px; overflow: hidden; margin-top: 0.5rem; }
.edu-progress-fill { height: 100%; border-radius: 999px; }
.edu-progress-fill.is-done { background: #198754; }
.edu-progress-fill.is-active { background: #0d6efd; }
.edu-summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 0.7rem; margin-bottom: 1rem; }
.edu-summary-stat { background: #fff; border: 1px solid var(--edu-border); border-radius: 10px; box-shadow: var(--edu-shadow-sm); padding: 0.55rem 0.7rem; text-align: center; display: flex; flex-direction: column; }
.edu-summary-num { font-size: 1.35rem; font-weight: 800; color: var(--edu-primary, #0d6efd); }
.edu-summary-label { font-size: 0.75rem; color: var(--edu-muted); }
.edu-progress-filters { display: flex; gap: 0.5rem; margin-bottom: 0.9rem; flex-wrap: wrap; }
.edu-progress-filters .edu-btn.is-active { outline: 2px solid var(--edu-primary); outline-offset: 1px; }
.edu-progress-filters .edu-btn.is-active { background: var(--edu-primary); color: #fff; }
.edu-infobit-content a { color: var(--edu-primary, #0d6efd); text-decoration: none; font-weight: 600; margin-right: 0.4rem; }
.edu-infobit-content a:hover { text-decoration: underline; }
.edu-infobit-content { border: 1px solid #e3e6ea; border-radius: 0.5rem; padding: 0.35rem 0.6rem; min-height: 2.4rem; background: #fbfcfe; }
.edu-list-row { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; padding: 0.3rem 0; border-bottom: 1px solid #eef1f4; }
.edu-list-row:last-child { border-bottom: none; }
.edu-list-label { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--edu-dark, #212529); }
.edu-list-actions { display: inline-flex; align-items: center; gap: 0.3rem; flex: 0 0 auto; }
.edu-list-actions .edu-btn { padding: 0.2rem 0.45rem; font-size: 0.78rem; white-space: nowrap; }
.edu-list-select { width: 100%; }
.edu-chips { display: flex; flex-wrap: wrap; gap: 0.35rem; align-items: center; border: 1px solid var(--edu-border, #ced4da); border-radius: 0.4rem; padding: 0.35rem 0.4rem; background: #fff; min-height: 2.5rem; }
.edu-chips-input { flex: 1 1 auto; min-width: 10rem; border: none !important; outline: none; box-shadow: none !important; padding: 0.2rem 0.1rem; }
.edu-chip { display: inline-flex; align-items: center; gap: 0.25rem; background: var(--edu-primary, #0d6efd); color: #fff; border-radius: 999px; padding: 0.2rem 0.55rem; font-size: 0.82rem; }
.edu-chip-x { border: none; background: transparent; color: #fff; cursor: pointer; font-size: 0.9rem; line-height: 1; padding: 0 0.1rem; }
.edu-chip-x:hover { color: #ffe08a; }
.edu-chips-suggest { display: none; background: #fff; border: 1px solid var(--edu-border, #ced4da); border-radius: 0.4rem; box-shadow: 0 6px 18px rgba(0,0,0,.12); max-height: 16rem; overflow: auto; margin-top: 2px; }
.edu-chips-opt { padding: 0.4rem 0.6rem; cursor: pointer; font-size: 0.9rem; }
.edu-chips-opt:hover { background: #eef4ff; }
.edu-corr-bell { display: inline-flex; align-items: center; gap: 0.3rem; color: inherit; font-size: 1.05rem; text-decoration: none; padding: 0.3rem 0.5rem; border-radius: 0.35rem; }
.edu-corr-bell:hover { background: rgba(0,0,0,.06); text-decoration: none; color: inherit; }
.edu-corr-badge { background: var(--edu-danger, #dc3545); color: #fff; font-size: 0.7rem; font-weight: 700; line-height: 1; padding: 0.25rem 0.4rem; border-radius: 999px; }
.edu-count-badge { display: inline-block; min-width: 1.4rem; padding: 0.05rem 0.45rem; border-radius: 999px; background: var(--edu-primary, #0d6efd); color: #fff; font-size: 0.72rem; font-weight: 700; text-align: center; line-height: 1.4; margin-left: 0.2rem; }

/* ==========================================================================
   Builder de leccion: cascada + lista doble de infobits
   ========================================================================== */
.edu-cascade-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 0.75rem; }
.edu-cascade-grid .edu-field { margin-bottom: 0; }
.edu-dual-list { display: grid; grid-template-columns: 1fr auto 1fr; gap: 0.75rem; align-items: stretch; }
.edu-dual-pane { display: flex; flex-direction: column; }
.edu-dual-head { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; margin-bottom: 0.4rem; font-weight: 600; color: var(--edu-dark); }
.edu-dual-select { height: 260px; }
.edu-dual-actions { display: flex; flex-direction: column; gap: 0.5rem; justify-content: center; }
.edu-dual-actions .edu-btn { white-space: nowrap; }
.edu-dual-empty { margin-top: 0.3rem; font-size: 0.82rem; }
@media (max-width: 700px) {
  .edu-dual-list { grid-template-columns: 1fr; }
  .edu-dual-actions { flex-direction: row; justify-content: center; }
}

/* ==========================================================================
   Preview inline de media en el editor (no invasivo)
   ========================================================================== */
.edu-media-preview { margin-top: 0.35rem; padding: 0.5rem; border: 1px solid var(--edu-border); border-radius: 0.5rem; background: #fbfcfe; display: inline-block; max-width: 100%; }
.edu-media-preview img { max-width: 220px; max-height: 140px; display: block; border-radius: 0.25rem; }
.edu-media-preview audio, .edu-media-preview video { max-width: 280px; display: block; }
.edu-media-preview-name { font-size: 0.72rem; color: var(--edu-muted); margin-top: 0.3rem; word-break: break-all; }

/* Selector de infobits fundamentales (modal con cascada + lista detallada) */
.edu-found-list { flex: 1; overflow: auto; border: 1px solid var(--edu-border); border-radius: 0.5rem; padding: 0.5rem; min-height: 8rem; }
.edu-found-item { display: flex; gap: 0.55rem; align-items: flex-start; padding: 0.4rem 0.3rem; border-bottom: 1px solid #f0f1f3; cursor: pointer; }
.edu-found-item:last-child { border-bottom: none; }
.edu-found-item input[type=checkbox] { margin-top: 0.25rem; }
.edu-found-desc { font-weight: 600; font-size: 0.88rem; }
.edu-found-meta { font-size: 0.75rem; color: var(--edu-muted); word-break: break-all; }