/**
 * Design tokens: unificación visual de la web.
 * Usar estas variables en todos los módulos para mantener coherencia.
 */
:root {
  /* —— Color primario y acciones —— */
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: rgba(37, 99, 235, 0.08);
  --color-primary-focus: rgba(37, 99, 235, 0.15);

  /* —— Texto —— */
  --color-text: #0f172a;
  --color-text-secondary: #334155;
  --color-text-muted: #64748b;
  --color-text-muted-alt: #475569;

  /* —— Bordes y fondos —— */
  --color-border: #e2e8f0;
  --color-border-input: #cbd5e1;
  --color-bg-subtle: #f8fafc;
  --color-bg-card: rgba(255, 255, 255, 0.95);
  --color-bg-page: #f5f7fa;

  /* —— Estados —— */
  --color-error: #b91c1c;
  --color-error-bg: #fef2f2;
  --color-error-border: #fecaca;
  --color-success: #166534;
  --color-success-bg: #f0fdf4;
  --color-success-border: #bbf7d0;

  /* —— Border radius (unificado) —— */
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;

  /* —— Sombras —— */
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 20px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 10px 25px rgba(15, 23, 42, 0.06);
  --shadow-xl: 0 18px 40px rgba(15, 23, 42, 0.12);
  --shadow-modal: 0 30px 60px rgba(0, 0, 0, 0.2);

  /* —— Inputs (altura y padding unificados) —— */
  --input-padding-y: 12px;
  --input-padding-x: 14px;
  --input-font-size: 0.95rem;
  --input-radius: var(--radius-md);

  /* —— Botones —— */
  --btn-padding-y: 12px;
  --btn-padding-x: 24px;
  --btn-radius: var(--radius-md);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --blue-primary: #4A7DB8;
  --green-soft: #7FB7A5;
  --sand-light: #F2E8D8;
  --earth-brown: #B08A63;
  --lavender-soft: #8C8FAE;

  --white-warm: #FAFAF7;
  --gray-text: #2F3A44;
  --gray-muted: #6B7280;
   /* === Prepare colour system (Cambridge) === */
  --prepare-1: #3FB9D6; /* A1 */
  --prepare-2: #2FB7A0; /* A2- */
  --prepare-3: #A4C639; /* A2 */
  --prepare-4: #F2C94C; /* B1- */
  --prepare-5: #F2994A; /* B1 */
  --prepare-6: #EB5757; /* B2- */
  --prepare-7: #2D9CDB; /* B2 */

  --prepare-8: #1F6FAE; /* C1 */
  --prepare-9: #C43C5C; /* C1 */
}


body {
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  background: var(--color-bg-page, #f5f7fa);
  color: var(--color-text, #1f2933);
  line-height: 1.6;
  overflow-x: hidden;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 5px 20px;
  background: white;
}

.logo {
  display: flex;
  flex-direction: column; /* 👈 clave */
  align-items: flex-start; /* 👈 corregido */
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: 1px;
}

.hero {
  padding: 80px 40px;
  max-width: 900px;
  margin: auto;
  text-align: center;
}

.hero h1 {
  font-size: 2.2rem;
  margin-bottom: 20px;
}

.hero p {
  color: #4b5563;
  margin-bottom: 30px;
}

.hero-buttons .btn {
  margin: 0 10px;
}


.features,
.courses {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  padding: 60px 40px;
  max-width: 1100px;
  margin: auto;
}

.feature {
  background: white;
  padding: 30px;
  border-radius: var(--radius-lg, 12px);
  border: 1px solid var(--color-border);
}

.course-detail {
  max-width: 800px;
  margin: auto;
  padding: 60px 40px;
}

.course-detail ul {
  margin: 20px 0;
  padding-left: 20px;
}

.note {
  margin-top: 30px;
  font-style: italic;
  color: #6b7280;
}

.footer {
  text-align: center;
  padding: 30px;
  color: var(--color-text-muted);
}

.header-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10;

  background: transparent;
  backdrop-filter: blur(10px);
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.85),
    rgba(255, 255, 255, 0.4),
    rgba(255, 255, 255, 0.0)
  );
}

.header-inner {
  width: 100%;
  padding: 2px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}



.logo img {
  height: 68px;
  margin-left: 100px;
}

.logo span {
  font-size: 1rem;
  font-weight: 600;
  opacity: 0.85;
}


.nav a {
  margin-left: 24px;
  text-decoration: none;
  font-weight: 500;
  color: var(--color-text);
}

.nav a:hover,
.nav a.active {
  color: var(--color-primary);
}

.nav-user {
  margin-left: 24px;
  font-weight: 500;
  color: var(--color-text-muted-alt);
  font-size: var(--input-font-size, 0.95rem);
}

.hero-full {
  position: relative;
  height: 100vh;
  width: 100%;
  background: url("../assets/images/hero.png") center / cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Cabecera en pantallas estrechas: una sola fila + scroll horizontal en enlaces (evita solapes) */
@media (max-width: 960px) {
  .header-inner {
    flex-wrap: nowrap;
    align-items: center;
    gap: 8px;
    padding: 6px max(10px, env(safe-area-inset-right, 0px)) 6px max(10px, env(safe-area-inset-left, 0px));
  }
  .logo {
    flex: 0 1 auto;
    min-width: 0;
  }
  .logo img {
    margin-left: 0;
    height: 42px;
  }
  .logo span {
    font-size: 0.72rem;
    line-height: 1.2;
    max-width: min(120px, 32vw);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .nav {
    display: flex;
    flex-wrap: nowrap;
    flex: 1 1 auto;
    min-width: 0;
    justify-content: flex-end;
    gap: 8px 12px;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    margin-top: 0;
    width: auto;
    max-width: none;
    overscroll-behavior-x: contain;
    padding: 4px 0 6px;
  }
  .nav a {
    margin-left: 0;
    font-size: 0.78rem;
    flex-shrink: 0;
    white-space: nowrap;
  }
}

@media (max-width: 420px) {
  .logo span {
    display: none;
  }
  .logo img {
    height: 38px;
  }
  .nav a {
    font-size: 0.74rem;
  }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(15, 23, 42, 0.1),
    rgba(15, 23, 42, 0.03)
  );
}

.hero-content {
  position: relative;
  max-width: 900px;
  text-align: center;
  padding: 0 24px;
}

.hero-content h1 {
  font-size: 2.6rem;
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--color-text);
}

.hero-content p {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  line-height: 1.6;
}

.hero-buttons .btn {
  margin: 0 12px;
}

.btn {
  padding: var(--btn-padding-y, 12px) var(--btn-padding-x, 24px);
  border-radius: var(--btn-radius, 10px);
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  font-size: var(--input-font-size, 0.95rem);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn.primary {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.btn.primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn.secondary {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}

.btn.secondary:hover {
  background: var(--color-primary-light);
  color: var(--color-primary-hover);
}



.course-card {
  position: relative;
}

.course-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);

  background: linear-gradient(
    135deg,
    var(--accent-color),
    transparent 75%
  );

  opacity: 0.16;
  pointer-events: none;
}

.course-card h3 {
  color: var(--accent-color);
}

.prepare-1 { --accent-color: var(--prepare-1); }
.prepare-2 { --accent-color: var(--prepare-2); }
.prepare-3 { --accent-color: var(--prepare-3); }
.prepare-4 { --accent-color: var(--prepare-4); }
.prepare-5 { --accent-color: var(--prepare-5); }
.prepare-6 { --accent-color: var(--prepare-6); }
.prepare-7 { --accent-color: var(--prepare-7); }
.prepare-8 { --accent-color: var(--prepare-8); }
.prepare-9 { --accent-color: var(--prepare-9); }



.course-card .btn {
  margin-top: 16px;
}

.course-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.btn-danger {
  border-color: var(--color-error);
  color: var(--color-error);
  background: transparent;
}

.btn-danger:hover {
  background: var(--color-error-bg);
  color: var(--color-error);
}

/* Arrastrar y soltar orden de cursos (admin) */
.course-card-draggable {
  position: relative;
  padding-left: 36px;
}
.course-card-drag-handle {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  cursor: grab;
  color: #94a3b8;
  font-size: 1rem;
  user-select: none;
  padding: 4px 2px;
}
.course-card-drag-handle:active {
  cursor: grabbing;
}
/* Al arrastrar: sacamos la tarjeta del flujo para que el grid refluya y se pueda soltar a derecha o izquierda */
.course-card-draggable.is-dragging {
  position: absolute !important;
  left: -9999px !important;
  top: 0 !important;
  opacity: 0;
  pointer-events: none;
  z-index: -1;
}
/* Fantasma que sigue al cursor: tarjeta entera translúcida (se usa en setDragImage) */
.course-card-drag-ghost {
  opacity: 0.65;
  background: var(--color-bg-card);
  box-shadow: var(--shadow-modal);
  border-radius: var(--radius-xl);
}
.course-card-draggable.drag-over {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.course-card h3 {
  font-size: 1.15rem;
  margin-bottom: 6px;
}

.course-card p {
  font-size: 0.95rem;
  color: #475569;
}

.course-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  padding: 36px 24px 28px;
  text-align: center;
}

.course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}


.section-courses {
  position: relative;
  overflow: hidden; /* recorta el ::before; evita segundo scroll vertical */
}

.section-courses::before {
  content: "";
  position: absolute;
  inset: -20%;
  background: url("../assets/images/hero.png") center / cover no-repeat;

  filter: blur(40px) saturate(1.05);
  opacity: 0.38;

  transform: scale(1.1);
  pointer-events: none;
}

.section-courses > * {
  position: relative;
  z-index: 1;
}

.course-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}


.course-modal-box {
  background: linear-gradient(135deg, #eef6ff, #ffffff);
  width: 520px;
  min-height: 520px;
  border-radius: var(--radius-2xl);
  padding: 48px 40px;
  box-shadow: var(--shadow-modal);
  text-align: center;
}

.course-modal-content {
  text-align: left;
}

.course-modal.hidden {
  display: none;
}

.course-modal-content h2 {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 12px;
  text-align: center;
}

.course-modal-content h4 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
  text-align: center;
}
.course-modal-content .lead {
  font-size: var(--input-font-size);
  color: var(--color-text-muted-alt);
  margin-bottom: 32px;
  text-align: center;
}


.course-modal-close {
  position: absolute;
  top: 20px;
  right: 28px;
  border: none;
  background: none;
  font-size: 28px;
  color: var(--color-text);
  cursor: pointer;
}



.course-modal-main .lead {
  font-size: 1.05rem;
  color: #475569;
  margin-bottom: 24px;
}

.checks {
  text-align: left;
  margin: 0 0 32px;
  padding-left: 0;
}

.checks li {
  margin-bottom: 10px;
  font-size: 0.95rem;
}




.course-modal-side button {
  margin-top: 24px;
  width: 100%;
}

.course-modal-content button.primary {
  margin-top: 32px;
  padding: var(--btn-padding-y) 28px;
  border-radius: var(--btn-radius);
}

/* Modal Solicitar información (email + opción WhatsApp) */
.request-info-modal-box {
  min-height: auto;
  width: 480px;
}
.request-info-modal-title {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 8px;
  text-align: center;
}
.request-info-modal-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted-alt);
  margin-bottom: 20px;
  text-align: center;
}
.request-info-form {
  margin-bottom: 24px;
}
.request-info-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--color-text-secondary);
}
.request-info-input,
.request-info-textarea {
  width: 100%;
  padding: var(--input-padding-y) var(--input-padding-x);
  border: 1px solid var(--color-border-input);
  border-radius: var(--input-radius);
  font-family: inherit;
  font-size: var(--input-font-size);
  margin-bottom: 14px;
  box-sizing: border-box;
}
.request-info-textarea {
  resize: vertical;
  min-height: 90px;
}
.request-info-input:focus,
.request-info-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-focus);
}
.request-info-feedback {
  margin-top: 10px;
  margin-bottom: 12px;
  padding: var(--input-padding-y) var(--input-padding-x);
  border-radius: var(--input-radius);
  font-size: 0.9rem;
}
.request-info-feedback.hidden {
  display: none;
}
.request-info-feedback.error {
  background: var(--color-error-bg);
  color: var(--color-error);
  border: 1px solid var(--color-error-border);
}
.request-info-feedback.success {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid var(--color-success-border);
}
.request-info-submit {
  width: 100%;
  margin-top: 4px;
}
.request-info-whatsapp {
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  text-align: center;
}
.request-info-whatsapp-text {
  font-size: var(--input-font-size);
  font-weight: 500;
  margin-bottom: 4px;
}
.request-info-whatsapp-warning {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}
.request-info-whatsapp-link {
  font-size: 0.9rem;
  color: #2563eb;
  text-decoration: underline;
}
.request-info-whatsapp-link:hover {
  color: #1d4ed8;
}

/**
 * Estados UX consistentes: carga, vacío, error, éxito.
 * Usar con .ux-state y modificadores --loading, --empty, --error, --success,
 * o las clases legacy .courses-loading, .courses-empty, .courses-error.
 */

/* —— Contenedor común —— */
.ux-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 32px 24px;
  min-height: 120px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.ux-state__spinner {
  width: 40px;
  height: 40px;
  margin: 0 auto 16px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: ux-state-spin 0.8s linear infinite;
}

@keyframes ux-state-spin {
  to { transform: rotate(360deg); }
}

.ux-state__message {
  margin: 0;
  line-height: 1.5;
}

.ux-state__action {
  margin-top: 16px;
}

/* —— Carga —— */
.ux-state--loading .ux-state__message {
  color: var(--color-text-muted);
}

/* Legacy: p con solo .courses-loading (sin .ux-state) */
.courses-loading,
.ux-state--loading {
  grid-column: 1 / -1;
}

.courses-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 32px 24px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  min-height: 80px;
}

.courses-loading::before {
  content: "";
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: ux-state-spin 0.8s linear infinite;
  flex-shrink: 0;
}

/* —— Vacío —— */
.ux-state--empty .ux-state__message {
  color: var(--color-text-muted);
}

.ux-state--empty .ux-state__icon {
  font-size: 2rem;
  margin-bottom: 12px;
  opacity: 0.7;
}

.courses-empty,
.ux-state--empty {
  grid-column: 1 / -1;
}

.courses-empty {
  padding: 32px 24px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  text-align: center;
  line-height: 1.5;
}

.courses-empty a {
  color: var(--prepare-1, #0ea5e9);
  text-decoration: underline;
}

/* —— Error —— */
.ux-state--error .ux-state__message {
  color: var(--color-error);
}

.ux-state--error .ux-state__icon {
  font-size: 2rem;
  margin-bottom: 12px;
  color: var(--color-error);
}

.courses-error,
.ux-state--error {
  grid-column: 1 / -1;
}

.courses-error {
  padding: 32px 24px;
  color: var(--color-error);
  font-size: 0.95rem;
  text-align: center;
  line-height: 1.5;
}

.courses-error code {
  background: var(--color-error-bg);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.9em;
}

.courses-error .ux-state__action .btn,
.courses-error .btn {
  margin-top: 12px;
}

/* —— Éxito (feedback breve, opcional) —— */
.ux-state--success {
  padding: 16px 24px;
  color: var(--color-success);
  font-size: 0.9rem;
  min-height: 0;
}

.ux-state--success .ux-state__icon {
  margin-right: 8px;
}

/* Contextos: listas, tablas, paneles */
.admin-gestionar-ejercicios-list .courses-loading,
.admin-gestionar-ejercicios-list .courses-empty,
.admin-gestionar-ejercicios-list .courses-error {
  padding: 20px;
  min-height: 60px;
}

.alumno-section .courses-loading,
.alumno-section .courses-empty,
.alumno-section .courses-error {
  border-radius: var(--radius-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
}

.nav-notifications-list .courses-loading,
.nav-notifications-list .courses-error {
  padding: 16px;
  min-height: 0;
}

.nav-notifications-list .courses-loading::before {
  width: 20px;
  height: 20px;
}

/* Ejercicios: alinear con el mismo sistema */
.ejercicios-loading,
.ejercicios-empty {
  text-align: center;
  padding: 32px 24px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.ejercicios-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.ejercicios-loading::before {
  content: "";
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: ux-state-spin 0.8s linear infinite;
  flex-shrink: 0;
}

.ejercicios-error {
  padding: 32px 24px;
  color: var(--color-error);
  font-size: 0.95rem;
  text-align: center;
}

/* Placeholder alumno/padres: mismo tono que empty (solo color si ya existe .alumno-placeholder) */
.alumno-placeholder-text {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Pantalla de login (alumnos / padres / admin) */
.hero-full.hero-login {
  height: auto;
  min-height: 100vh;
  min-height: 100dvh;
  align-items: flex-start;
  justify-content: center;
  overflow-x: hidden;
  width: 100%;
}
@media (min-width: 768px) {
  .hero-full.hero-login {
    align-items: center;
  }
}
.hero-login {
  box-sizing: border-box;
  min-height: 100vh;
  min-height: 100dvh;
  padding-top: max(88px, env(safe-area-inset-top, 0px) + 72px);
  padding-bottom: max(32px, env(safe-area-inset-bottom, 0px) + 24px);
  padding-left: max(12px, env(safe-area-inset-left, 0px));
  padding-right: max(12px, env(safe-area-inset-right, 0px));
}
@media (min-width: 768px) {
  .hero-login {
    padding-top: 120px;
    padding-bottom: 60px;
    padding-left: max(24px, env(safe-area-inset-left, 0px));
    padding-right: max(24px, env(safe-area-inset-right, 0px));
  }
}
.hero-login-content {
  width: 100%;
  max-width: min(420px, 100%);
  margin: 0 auto;
  flex-shrink: 0;
  min-width: 0;
  box-sizing: border-box;
}
.hero-login-content.hero-content {
  max-width: min(420px, 100%);
  padding-left: 0;
  padding-right: 0;
}
.hero-login-content.hero-content h1.login-title {
  font-size: clamp(1.05rem, 5vw, 1.6rem);
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.28;
  overflow-wrap: anywhere;
  word-break: break-word;
  hyphens: auto;
}
.hero-login-content.hero-content p.login-subtitle {
  font-size: clamp(0.8rem, 3.8vw, var(--input-font-size, 0.95rem));
  color: var(--color-text-muted-alt);
  margin-bottom: 22px;
  line-height: 1.45;
}
.login-box {
  background: linear-gradient(135deg, #eef6ff, #ffffff);
  border-radius: var(--radius-2xl);
  padding: 28px 20px;
  box-shadow: var(--shadow-modal);
  text-align: center;
  max-width: 100%;
  box-sizing: border-box;
}
@media (min-width: 480px) {
  .login-box {
    padding: 36px 28px;
  }
}
@media (min-width: 768px) {
  .login-box {
    padding: 40px 36px;
  }
}
.login-title {
  font-size: clamp(1.25rem, 4vw, 1.6rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.25;
  word-wrap: break-word;
}
.login-subtitle {
  font-size: var(--input-font-size);
  color: var(--color-text-muted-alt);
  margin-bottom: 28px;
}
.login-form {
  text-align: left;
}
.login-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--color-text-secondary);
}
.login-input {
  width: 100%;
  padding: var(--input-padding-y) var(--input-padding-x);
  border: 1px solid var(--color-border-input);
  border-radius: var(--input-radius);
  font-family: inherit;
  font-size: var(--input-font-size);
  margin-bottom: 16px;
  box-sizing: border-box;
}
.login-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-focus);
}
.login-feedback {
  margin-bottom: 12px;
  padding: var(--input-padding-y) var(--input-padding-x);
  border-radius: var(--input-radius);
  font-size: 0.9rem;
}
.login-feedback.hidden {
  display: none;
}
.login-feedback.error {
  background: var(--color-error-bg);
  color: var(--color-error);
  border: 1px solid var(--color-error-border);
}
.login-forgot-wrap {
  margin: -8px 0 12px;
  text-align: right;
}
.login-forgot-wrap a {
  font-size: 0.9rem;
  color: var(--color-primary);
  text-decoration: none;
}
.login-forgot-wrap a:hover {
  text-decoration: underline;
  color: var(--color-primary-hover);
}
.login-submit {
  width: 100%;
  margin-top: 8px;
  padding: var(--btn-padding-y) var(--btn-padding-x);
  font-size: 1rem;
  border-radius: var(--btn-radius);
}
.login-init-db {
  margin-top: 14px;
  text-align: center;
}
.login-init-db a {
  color: var(--color-primary);
  text-decoration: underline;
}
.login-switch {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}
.login-switch a {
  color: var(--color-primary);
  text-decoration: underline;
  margin-left: 6px;
}
.login-switch a:hover {
  color: var(--color-primary-hover);
}

@media (max-width: 540px) {
  .forgot-modal .course-modal-box {
    width: min(100%, 100vw - 24px);
    min-height: unset;
    margin: 12px;
    padding: 28px 20px;
    box-sizing: border-box;
  }
}

/* Editar perfil */
.perfil-box { max-width: 440px; }
.perfil-avatar-wrap {
  margin-bottom: 24px;
  display: flex;
  justify-content: center;
}
.perfil-avatar-img,
.perfil-avatar-placeholder {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-border);
}
.perfil-avatar-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-subtle);
  color: var(--color-text-muted);
  font-size: 1.2rem;
  font-weight: 600;
}
.perfil-readonly {
  margin-bottom: 12px;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}
.perfil-readonly strong { color: var(--color-text); }
.nav-user-wrap {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-left: 24px;
}
.nav-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--color-border);
}
.nav-user-wrap .nav-user { margin-left: 0; }

/* Menú desplegable al pulsar nombre (solo nombre y campana visibles en barra) */
.nav-user-dropdown-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  margin-left: 24px;
}
.nav-user-dropdown-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 4px 8px;
  margin: -4px -8px;
  border: none;
  border-radius: 8px;
  background: transparent;
  font: inherit;
  color: inherit;
  cursor: pointer;
  text-decoration: none;
}
.nav-user-dropdown-btn:hover {
  background: rgba(0, 0, 0, 0.06);
}
.nav-user-dropdown-wrap .nav-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--color-border);
}
.nav-user-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  min-width: 200px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.15);
  border: 1px solid #e2e8f0;
  z-index: 1001;
  padding: 8px 0;
}
.nav-user-menu.hidden {
  display: none !important;
}
.nav-user-menu a {
  display: block;
  padding: 10px 16px;
  font-size: 0.95rem;
  color: var(--color-text);
  text-decoration: none;
}
.nav-user-menu a:hover {
  background: #f1f5f9;
}
.nav-user-menu a.nav-user-menu-logout {
  color: #b91c1c;
  border-top: 1px solid #e2e8f0;
  margin-top: 4px;
  padding-top: 12px;
}
.nav-user-menu a.nav-user-menu-logout:hover {
  background: #fef2f2;
}

/* Panel administrador: sin scroll general, solo scroll en el panel de contenido */
body.admin-page {
  overflow: hidden;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

body.admin-page .admin-main {
  flex: 1;
  min-height: 0;
  padding-top: 120px;
}

body.admin-page .footer {
  flex-shrink: 0;
}

.admin-main {
  display: flex;
  min-height: 0;
}

.admin-sidebar {
  width: 260px;
  flex-shrink: 0;
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  border-right: 1px solid #e2e8f0;
  padding: 24px 0;
  overflow-y: auto;
  max-height: 100vh;
  display: flex;
  flex-direction: column;
}

.admin-sidebar .admin-nav {
  flex: 1;
  min-height: 0;
}

.admin-nav-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748b;
  padding: 0 24px 16px;
  margin: 0;
  border-bottom: 1px solid #e2e8f0;
  margin-bottom: 12px;
}

.admin-nav-item {
  display: block;
  padding: 12px 24px;
  color: #475569;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: background 0.15s ease, color 0.15s ease;
}

.admin-nav-item:hover {
  background: rgba(37, 99, 235, 0.06);
  color: #1e40af;
}

.admin-nav-item.active {
  background: rgba(37, 99, 235, 0.1);
  color: #2563eb;
  border-right: 3px solid #2563eb;
}

/* Padre con submenú (Cursos) */
.admin-nav-parent-wrap {
  margin-bottom: 4px;
}

.admin-nav-parent {
  width: 100%;
  text-align: left;
  cursor: pointer;
  border: none;
  font: inherit;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
}

.admin-nav-chevron {
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid currentColor;
  margin-left: 8px;
  transition: transform 0.2s ease;
  opacity: 0.8;
}

.admin-nav-parent-wrap.open .admin-nav-chevron {
  transform: rotate(180deg);
}

.admin-nav-sub {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}

.admin-nav-parent-wrap.open .admin-nav-sub {
  max-height: 220px;
}

.admin-nav-subitem {
  display: block;
  padding: 10px 24px 10px 36px;
  color: #64748b;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.15s ease, color 0.15s ease;
  border-left: 3px solid transparent;
}

.admin-nav-subitem:hover {
  background: rgba(37, 99, 235, 0.06);
  color: #1e40af;
}

.admin-nav-subitem.active {
  background: rgba(37, 99, 235, 0.08);
  color: #2563eb;
  border-left-color: #2563eb;
}

.admin-content {
  flex: 1;
  min-height: 0;
  padding: 24px 32px 48px;
  overflow: auto;
}

.admin-panel {
  display: none;
}

.admin-panel.active {
  display: block;
}

.admin-panel-view {
  display: none;
}

.admin-panel-view.active {
  display: block;
}

.admin-panel-placeholder {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: 48px;
  max-width: 600px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.admin-panel-placeholder h2 {
  font-size: 1.5rem;
  color: var(--color-text);
  margin-bottom: 12px;
}

.admin-panel-placeholder p {
  color: var(--color-text-muted);
  font-size: 1rem;
}

/* Calendario admin */
.admin-calendar-wrap {
  max-width: 900px;
}
.admin-calendar-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  margin-bottom: 20px;
}
.admin-calendar-header h2 {
  font-size: 1.5rem;
  color: #1f2933;
  margin: 0;
}
.admin-calendar-nav {
  display: flex;
  align-items: center;
  gap: 12px;
}
.admin-calendar-prev,
.admin-calendar-next {
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  color: var(--color-text-muted-alt);
}
.admin-calendar-prev:hover,
.admin-calendar-next:hover {
  background: var(--color-bg-subtle);
  color: var(--color-primary);
}
.admin-calendar-month-year {
  font-size: 1.15rem;
  font-weight: 600;
  min-width: 180px;
  text-align: center;
}
.admin-calendar {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: 20px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}
.admin-calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-bottom: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #64748b;
  text-align: center;
}
.admin-calendar-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  min-height: 320px;
}
.admin-calendar-day {
  min-height: 72px;
  padding: 6px;
  border-radius: var(--radius-md);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  font-size: 0.9rem;
}
.admin-calendar-day.other-month {
  opacity: 0.45;
}
.admin-calendar-day.today {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}
.admin-calendar-day-num {
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--color-text-secondary);
}
.admin-calendar-events {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.admin-calendar-event {
  font-size: 0.7rem;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: default;
}
.admin-calendar-event.prepare-1 { background: #3FB9D6; }
.admin-calendar-event.prepare-2 { background: #2FB7A0; }
.admin-calendar-event.prepare-3 { background: #A4C639; }
.admin-calendar-event.prepare-4 { background: #F2C94C; color: #1f2933; }
.admin-calendar-event.prepare-5 { background: #F2994A; }
.admin-calendar-event.prepare-6 { background: #EB5757; }
.admin-calendar-event.prepare-7 { background: #2D9CDB; }
.admin-calendar-event.evento-examen { background: #dc2626; }
.admin-calendar-event.evento-deberes { background: #2563eb; }
.admin-calendar-event.evento-festivo { background: #16a34a; }
.admin-calendar-event.evento-simulacro { background: #9333ea; }
.admin-calendar-event.evento-otro { background: #64748b; }
.admin-calendar-event.event-range-start { border-radius: 6px 0 0 6px; }
.admin-calendar-event.event-range-mid { border-radius: 0; min-width: 4px; }
.admin-calendar-event.event-range-end { border-radius: 0 6px 6px 0; min-width: 4px; }
.admin-calendar-day.clickable {
  cursor: pointer;
}
.admin-calendar-day.clickable:hover {
  background: #e2e8f0;
}
.admin-calendar-event[data-event-id] {
  cursor: pointer;
}
.admin-calendar-legend {
  margin-top: 16px;
  font-size: 0.9rem;
  color: #64748b;
}

.admin-event-modal-box {
  max-width: 440px;
}
.admin-event-form .admin-form-row {
  margin-bottom: 14px;
}
.admin-event-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 20px;
}

.admin-event-form-actions--compact {
  gap: 8px;
  margin-top: 8px;
}

.admin-form-label-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-qb-folder-row,
.admin-qb-question-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.admin-qb-question-row {
  gap: 10px;
}

.admin-qb-folder-actions,
.admin-qb-question-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.admin-qb-folder-actions {
  flex-wrap: nowrap;
  justify-content: flex-start;
}
.admin-event-form-actions .btn-danger {
  background: #dc2626;
  color: #fff;
  border-color: #dc2626;
}
.admin-event-form-actions .btn-danger:hover {
  background: #b91c1c;
  border-color: #b91c1c;
  color: #fff;
}

.courses-loading,
.courses-empty,
.courses-error {
  grid-column: 1 / -1;
  color: #64748b;
  padding: 24px;
}

.courses-error {
  color: #b91c1c;
}

.courses-error code {
  background: #fef2f2;
  padding: 2px 6px;
  border-radius: 4px;
}

/* Paso 1 — móvil/tablet estrecha: menú arriba, contenido a ancho completo */
@media (max-width: 768px) {
  /* Paso 3 — altura visible real en móvil (barras del navegador) */
  body.admin-page {
    height: 100vh;
    height: 100dvh;
  }
  body.admin-page .admin-main {
    padding-top: max(72px, env(safe-area-inset-top, 0px) + 52px);
  }
  .admin-main {
    flex-direction: column;
  }
  .admin-sidebar {
    width: 100%;
    max-height: min(42vh, 320px);
    max-height: min(42dvh, 320px);
    border-right: none;
    border-bottom: 1px solid #e2e8f0;
    padding: 12px 0;
  }
  .admin-content {
    padding: 16px 16px 40px;
  }
}

/* Formulario admin (Añadir curso) */
.admin-form-wrap {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: 32px 40px;
  max-width: 560px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.admin-form-wrap h2 {
  font-size: 1.5rem;
  color: var(--color-text);
  margin-bottom: 24px;
}

.admin-form-row {
  margin-bottom: 20px;
}

.admin-form-row--half {
  display: inline-block;
  width: calc(50% - 10px);
  margin-right: 10px;
  vertical-align: top;
}

@media (max-width: 520px) {
  .admin-form-row--half {
    width: 100%;
    margin-right: 0;
  }
}

.admin-form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.admin-form-label .required {
  color: var(--color-error);
}

.admin-form-hint {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 6px 0 0;
}

.admin-form-input {
  width: 100%;
  padding: var(--input-padding-y) var(--input-padding-x);
  border: 1px solid var(--color-border-input);
  border-radius: var(--input-radius);
  font-size: var(--input-font-size);
  font-family: inherit;
  box-sizing: border-box;
}

.admin-form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-focus);
}

.admin-form-textarea {
  resize: vertical;
  min-height: 100px;
}

.admin-form-actions {
  margin-top: 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.admin-form-feedback {
  font-size: 0.9rem;
}

.admin-form-feedback.success {
  color: var(--color-success);
}

.admin-form-feedback.error {
  color: var(--color-error);
}

.admin-form-feedback.hidden {
  display: none;
}

/* Pestaña Grupos */
.admin-grupos-wrap {
  padding: 0 24px 24px;
}

.admin-grupos-header {
  margin-bottom: 24px;
}

.admin-grupos-header h2 {
  font-size: 1.5rem;
  color: #1f2933;
  margin-bottom: 8px;
}

.admin-grupos-intro {
  color: #64748b;
  margin-bottom: 16px;
}

.admin-grupos-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.admin-grupo-card {
  display: flex;
  flex-direction: column;
}

.admin-grupo-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.admin-grupo-desc,
.admin-grupo-curso {
  font-size: 0.9rem;
  color: #64748b;
  margin-bottom: 8px;
  flex: 1;
}

.admin-grupo-card .course-card-actions {
  margin-top: auto;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* Pestaña Alumnos */
.admin-alumnos-wrap {
  padding: 0 24px 24px;
}

.admin-alumnos-list-header .admin-grupos-intro {
  margin-bottom: 12px;
}

.admin-alumnos-header-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.admin-alumnos-header-top h2 {
  margin-bottom: 0;
}

.admin-alumnos-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
}

.admin-alumnos-search-wrap {
  flex: 1;
  min-width: 200px;
  max-width: 400px;
}

.admin-alumnos-buscador {
  width: 100%;
}

.admin-alumnos-vistas {
  display: flex;
  gap: 0;
}

.admin-alumnos-vistas .admin-vista-btn {
  border-radius: 0;
}

.admin-alumnos-vistas .admin-vista-btn:first-child {
  border-radius: 8px 0 0 8px;
}

.admin-alumnos-vistas .admin-vista-btn:last-child {
  border-radius: 0 8px 8px 0;
}

.admin-alumnos-vistas .admin-vista-btn.active {
  background: #1e40af;
  color: #fff;
  border-color: #1e40af;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.admin-alumnos-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.admin-alumnos-list.hidden {
  display: none;
}

.admin-alumnos-list-table-wrap {
  overflow-x: auto;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  background: #fff;
}

.admin-alumnos-list-table-wrap.hidden {
  display: none;
}

.admin-alumnos-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.admin-alumnos-table th,
.admin-alumnos-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid #e2e8f0;
}

.admin-alumnos-table th {
  background: #f1f5f9;
  font-weight: 600;
  color: #475569;
  white-space: nowrap;
}

.admin-alumnos-th-sortable {
  cursor: pointer;
  user-select: none;
  padding-right: 24px;
}

.admin-alumnos-th-sortable:hover {
  background: #e2e8f0;
  color: #334155;
}

.admin-alumnos-th-sortable.admin-alumnos-sort-asc::after,
.admin-alumnos-th-sortable.admin-alumnos-sort-desc::after {
  position: absolute;
  right: 8px;
  font-size: 0.7rem;
  opacity: 0.85;
}

.admin-alumnos-th-sortable.admin-alumnos-sort-asc::after {
  content: '\25B2';
}

.admin-alumnos-th-sortable.admin-alumnos-sort-desc::after {
  content: '\25BC';
}

.admin-alumnos-table thead th {
  position: relative;
}

.admin-alumnos-table tbody tr:hover {
  background: #f8fafc;
}

.admin-alumnos-table-actions {
  white-space: nowrap;
}

.admin-alumnos-table-actions .btn {
  margin-right: 6px;
}

.admin-alumnos-empty {
  color: #64748b;
  padding: 20px;
  text-align: center;
}

.admin-alumnos-empty.hidden {
  display: none;
}

.admin-alumno-card {
  display: flex;
  flex-direction: column;
}

.admin-alumno-grupos {
  font-size: 0.9rem;
  color: #64748b;
  margin-bottom: 8px;
}

.admin-checkbox-label {
  display: inline-flex;
  align-items: center;
  margin-right: 16px;
  margin-bottom: 8px;
  font-size: 0.9rem;
  cursor: pointer;
}

.admin-checkbox-label input {
  margin-right: 6px;
}

.admin-grupos-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

/* Asignación a grupos */
.admin-asignacion-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.admin-asignacion-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: start;
  padding: 16px;
  background: #f8fafc;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
}

@media (max-width: 640px) {
  .admin-asignacion-row {
    grid-template-columns: 1fr;
  }
}

.admin-asignacion-info {
  font-size: 1rem;
}

.admin-asignacion-curso {
  font-size: 0.9rem;
  color: #64748b;
  font-weight: normal;
}

.admin-asignacion-grupos {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.admin-asignacion-actions {
  align-self: center;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.875rem;
}

.muted {
  color: #94a3b8;
  font-size: 0.9rem;
}

/* Pestañas sección Alumnos (Comunidad) */
.comunidad-alumnos-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e2e8f0;
}

.comunidad-alumnos-tabs.hidden {
  display: none;
}

.comunidad-tab {
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  color: #64748b;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}

.comunidad-tab:hover {
  background: #f1f5f9;
  color: #334155;
}

.comunidad-tab.active {
  background: #e0e7ff;
  color: #3730a3;
}

/* Modal vincular alumnos (lista compacta con scroll) */
.comunidad-vincular-alumnos-modal-box {
  max-width: 420px;
}

.comunidad-vincular-alumnos-list {
  max-height: 280px;
  overflow-y: auto;
  padding: 8px 0;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  background: #f8fafc;
  margin-bottom: 4px;
}

.comunidad-vincular-alumno-row {
  display: block;
  padding: 6px 12px;
  margin: 0;
}

.comunidad-vincular-alumno-row:hover {
  background: #f1f5f9;
}

/* Admin: Documentos económicos */
.admin-documentos-economicos-wrap {
  max-width: 720px;
}

.admin-doc-economicos-form-wrap {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 16px;
  padding: 24px 32px;
  margin-bottom: 28px;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
  border: 1px solid #e5e7eb;
}

.admin-doc-economicos-row {
  margin-bottom: 16px;
}

.admin-doc-economicos-row label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: #334155;
  margin-bottom: 6px;
}

.admin-doc-economicos-row select,
.admin-doc-economicos-row input[type="text"],
.admin-doc-economicos-row input[type="date"],
.admin-doc-economicos-row input[type="file"] {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  font-size: 0.95rem;
  box-sizing: border-box;
}

.admin-doc-economicos-actions {
  margin-top: 20px;
}

.admin-doc-economicos-list-wrap h3 {
  font-size: 1.1rem;
  color: #334155;
  margin-bottom: 12px;
}

.admin-doc-economicos-msg,
.admin-doc-economicos-loading,
.admin-doc-economicos-empty {
  color: #64748b;
  font-size: 0.95rem;
}

.admin-doc-economicos-lista {
  list-style: none;
  padding: 0;
  margin: 0;
}

.admin-doc-economicos-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  margin-bottom: 8px;
  background: #fff;
}

.admin-doc-economicos-item-info {
  flex: 1;
  min-width: 0;
}

.admin-doc-economicos-item-tipo {
  font-weight: 600;
  color: #475569;
}

.admin-doc-economicos-item-fecha {
  font-size: 0.9rem;
  color: #64748b;
}

.admin-doc-economicos-item-actions {
  flex-shrink: 0;
}

/* Matrícula masiva */
.admin-bulk-wrap {
  max-width: 900px;
}

.admin-bulk-actions {
  margin-bottom: 16px;
}

.admin-bulk-preview {
  margin: 20px 0;
}

.admin-bulk-preview h3 {
  font-size: 1rem;
  margin-bottom: 10px;
  color: #334155;
}

.admin-bulk-table-wrap {
  overflow-x: auto;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  background: #fff;
}

.admin-bulk-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.admin-bulk-table th,
.admin-bulk-table td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid #e2e8f0;
}

.admin-bulk-table th {
  background: #f1f5f9;
  font-weight: 600;
  color: #475569;
}

.admin-bulk-table tr:last-child td {
  border-bottom: none;
}

.admin-bulk-result {
  margin-top: 20px;
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 0.95rem;
}

.admin-bulk-result.success {
  background: #ecfdf5;
  color: #166534;
  border: 1px solid #a7f3d0;
}

.admin-bulk-result.warning {
  background: #fffbeb;
  color: #b45309;
  border: 1px solid #fde68a;
}

.admin-bulk-result.error {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.admin-bulk-result.hidden {
  display: none;
}

/* Pestaña Evaluación (admin) */
.admin-evaluacion-wrap {
  padding: 0 24px 24px;
}

.admin-evaluacion-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 20px;
  align-items: start;
}

.admin-evaluacion-form-wrap {
  max-width: none;
}

.admin-evaluacion-form-wrap h3,
.admin-evaluacion-list-head h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  color: #1f2933;
}

.admin-evaluacion-list-wrap {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 18px;
}

.admin-evaluacion-list-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 12px;
  margin-bottom: 12px;
}

.admin-evaluacion-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  align-items: flex-end;
  min-width: 220px;
}

.admin-evaluacion-filter-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.admin-evaluacion-filter-row .admin-form-label {
  font-size: 0.875rem;
  color: #64748b;
}

/* Seguimiento de intentos en modal “Editar cuestionario” */
.admin-cuestionario-seguimiento {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid #e2e8f0;
}

.admin-cuestionario-seguimiento-title {
  margin: 0 0 0.35rem 0;
  font-size: 1rem;
  color: #0f172a;
}

.admin-cuestionario-seguimiento-body {
  max-height: 280px;
  overflow: auto;
  margin: 0.75rem 0;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  background: #f8fafc;
}

.admin-cuestionario-seguimiento-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.admin-cuestionario-seguimiento-table th,
.admin-cuestionario-seguimiento-table td {
  padding: 8px 10px;
  text-align: left;
  border-bottom: 1px solid #e2e8f0;
  vertical-align: middle;
}

.admin-cuestionario-seguimiento-table th {
  background: #f1f5f9;
  font-weight: 600;
  color: #475569;
  position: sticky;
  top: 0;
  z-index: 1;
}

.admin-cuestionario-seguimiento-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn.btn-danger-ghost {
  padding: 0.25rem 0.5rem;
  font-size: 0.8rem;
  border: 1px solid #fecaca;
  background: #fff;
  color: #b91c1c;
  border-radius: 6px;
  cursor: pointer;
}

.btn.btn-danger-ghost:hover {
  background: #fef2f2;
}

@media (max-width: 1080px) {
  .admin-evaluacion-grid {
    grid-template-columns: 1fr;
  }
}

/* Pestaña Recursos */
.admin-recursos-wrap {
  padding: 0 24px 24px;
}

.admin-recursos-carpetas {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.admin-recursos-carpeta {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.admin-recursos-carpeta-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 24px;
  background: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
}

.admin-recursos-carpeta-icono {
  font-size: 2rem;
  line-height: 1;
}

.admin-recursos-carpeta-header h3 {
  margin: 0 0 6px;
  font-size: 1.2rem;
  color: #1e293b;
}

.admin-recursos-carpeta-desc {
  margin: 0;
  font-size: 0.9rem;
  color: #64748b;
  line-height: 1.4;
}

.admin-recursos-carpeta-list-wrap {
  padding: 16px 24px 20px;
  min-height: 60px;
}

.admin-recursos-loading,
.admin-recursos-empty {
  margin: 0;
  font-size: 0.9rem;
  color: #64748b;
}

.admin-recursos-empty code {
  font-size: 0.85em;
  background: #f1f5f9;
  padding: 2px 6px;
  border-radius: 4px;
}

.admin-recursos-lista {
  list-style: none;
  margin: 0;
  padding: 0;
}

.admin-recursos-lista.hidden {
  display: none;
}

.admin-recursos-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  padding: 10px 0;
  border-bottom: 1px solid #f1f5f9;
  font-size: 0.95rem;
}

.admin-recursos-item:last-child {
  border-bottom: none;
}

.admin-recursos-item-nombre {
  font-weight: 500;
  color: #334155;
}

.admin-recursos-item-meta {
  font-size: 0.85rem;
  color: #94a3b8;
}

.admin-recursos-item-link {
  color: #2563eb;
  text-decoration: none;
  font-size: 0.9rem;
}

.admin-recursos-item-link:hover {
  text-decoration: underline;
}

/* Gestionar curso */
.admin-gestionar-curso-wrap {
  padding: 0 24px 24px;
}

.admin-gestionar-curso-header {
  margin-bottom: 24px;
}

.admin-gestionar-back {
  display: inline-block;
  margin-bottom: 8px;
  color: #2563eb;
  text-decoration: none;
  font-size: 0.95rem;
}

.admin-gestionar-back:hover {
  text-decoration: underline;
}

.admin-gestionar-curso-title {
  font-size: 1.5rem;
  color: #1f2933;
  margin: 0;
}

.admin-gestionar-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 24px;
  border-bottom: 1px solid #e2e8f0;
}

.admin-gestionar-tab {
  padding: 10px 18px;
  border: none;
  background: none;
  font: inherit;
  font-weight: 500;
  color: #64748b;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -1px;
  border-radius: 6px 6px 0 0;
}

.admin-gestionar-tab:hover {
  color: #334155;
  background: #f1f5f9;
}

.admin-gestionar-tab.active {
  color: #2563eb;
  border-bottom-color: #2563eb;
  background: #eff6ff;
}

.admin-gestionar-panels {
  background: #fff;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  padding: 28px 32px;
}

.admin-gestionar-panel {
  display: none;
}

.admin-gestionar-panel.active {
  display: block;
}

.admin-gestionar-list {
  margin: 0;
}

.admin-gestionar-list-item {
  padding: 10px 0;
  border-bottom: 1px solid #f1f5f9;
  margin: 0;
  font-size: 0.95rem;
}

.admin-gestionar-list-item:last-child {
  border-bottom: none;
}

.admin-gestionar-unidades-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}

.admin-gestionar-unidades-header .admin-grupos-intro {
  margin-bottom: 0;
}

.admin-gestionar-unidades-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.admin-gestionar-unidad-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 24px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  margin-bottom: 16px;
}

.admin-gestionar-unidad-drag {
  color: #94a3b8;
  cursor: grab;
  font-size: 1rem;
  flex-shrink: 0;
}

.admin-gestionar-unidad-content {
  flex: 1;
  min-width: 0;
}

.admin-gestionar-unidad-content strong {
  display: block;
  font-size: 1.05rem;
}

.admin-gestionar-unidad-desc {
  margin: 6px 0 0;
  font-size: 0.9rem;
  color: #64748b;
}

.admin-gestionar-unidad-actions {
  flex-shrink: 0;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.admin-gestionar-cuestionario-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.btn-icon.unidad-btn-visible,
.btn-icon.cuestionario-btn-visible {
  padding: 6px 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: #f8fafc;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
}
.btn-icon.unidad-btn-visible:hover,
.btn-icon.cuestionario-btn-visible:hover {
  background: #e2e8f0;
}
.btn-icon.unidad-btn-visible.is-visible .btn-visible-icon,
.btn-icon.cuestionario-btn-visible.is-visible .btn-visible-icon {
  opacity: 1;
}
.btn-icon.unidad-btn-visible:not(.is-visible) .btn-visible-icon,
.btn-icon.cuestionario-btn-visible:not(.is-visible) .btn-visible-icon {
  opacity: 0.4;
}

.admin-gestionar-unidad-main.hidden,
.admin-gestionar-unidad-edit-form.hidden {
  display: none !important;
}

.admin-gestionar-unidad-item {
  flex-wrap: wrap;
}

.admin-gestionar-unidad-main {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  flex: 1;
  min-width: 0;
}

.admin-gestionar-unidad-toggle-area {
  cursor: pointer;
}

.admin-gestionar-unidad-chevron {
  display: inline-block;
  width: 1em;
  flex-shrink: 0;
  color: #64748b;
  transition: transform 0.2s ease;
}

.admin-gestionar-unidad-item--expanded > .admin-gestionar-unidad-main .admin-gestionar-unidad-chevron {
  transform: rotate(90deg);
}

.admin-gestionar-subpanel.hidden {
  display: none !important;
}

.admin-gestionar-unidad-cuestionarios {
  flex: 1 1 100%;
  margin-top: 12px;
  margin-left: 24px;
  padding-top: 12px;
  padding-left: 16px;
  border-left: 3px solid #e2e8f0;
  width: calc(100% - 24px - 16px);
}

.admin-gestionar-unidad-edit-form {
  flex: 1 1 100%;
  margin-top: 16px;
  padding: 18px 20px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
}

.admin-gestionar-unidad-edit-form .admin-form-label {
  display: block;
  margin-top: 12px;
  margin-bottom: 6px;
}

.admin-gestionar-unidad-edit-form .admin-form-label:first-child {
  margin-top: 0;
}

.admin-gestionar-unidad-edit-actions {
  margin-top: 16px;
  display: flex;
  gap: 12px;
}

.admin-gestionar-unidad-ejercicios {
  flex: 1 1 100%;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid #e2e8f0;
  width: 100%;
}

.admin-gestionar-unidad-ejercicios-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #475569;
  margin: 0 0 14px;
}

.admin-gestionar-ejercicios-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}

.admin-gestionar-ejercicios-list .courses-loading,
.admin-gestionar-ejercicios-list .courses-empty {
  font-size: 0.9rem;
  color: #64748b;
  margin: 0;
  padding: 12px 0;
}

.admin-gestionar-ejercicio-item {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  margin-bottom: 10px;
  font-size: 0.95rem;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  transition: box-shadow 0.15s ease;
}

.admin-gestionar-ejercicio-item:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.admin-gestionar-ejercicio-item.open {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.admin-gestionar-ejercicio-titulo {
  font-weight: 600;
  color: #0f172a;
  flex: 1 1 auto;
  min-width: 120px;
}

.admin-gestionar-ejercicio-tipo {
  color: #64748b;
  font-size: 0.85rem;
}

.admin-gestionar-ejercicio-resumen {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1 1 100%;
  min-width: 0;
  padding: 2px 0;
}

.admin-gestionar-ejercicio-resumen .admin-gestionar-ejercicio-titulo {
  flex: 1;
  min-width: 0;
}

.admin-gestionar-ejercicio-tipo-badge {
  font-size: 0.75rem;
  padding: 4px 10px;
  background: #e2e8f0;
  color: #475569;
  border-radius: 8px;
  flex-shrink: 0;
}

.admin-gestionar-ejercicio-item.open .admin-gestionar-ejercicio-opciones {
  display: block !important;
}

.admin-gestionar-ejercicio-opciones {
  flex: 1 1 100%;
  margin-top: 16px;
  padding-top: 16px;
  padding-left: 0;
  border-top: 1px solid #e2e8f0;
  width: 100%;
}

.admin-gestionar-ejercicio-opciones .admin-form-label {
  display: block;
  margin: 0 0 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: #475569;
}

.admin-gestionar-ejercicio-opciones .admin-form-input {
  width: 100%;
  max-width: 320px;
  margin-bottom: 16px;
  display: block;
}

.admin-gestionar-ejercicio-opciones-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.admin-gestionar-ejercicio-opciones-btns .btn {
  min-height: 38px;
  padding: 8px 16px;
}

.admin-gestionar-unidad-ejercicios .unidad-ejercicio-add {
  margin-top: 4px;
  padding: 10px 18px;
}
/* Cuestionarios (estilo Moodle) */
.admin-gestionar-unidad-cuestionarios-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #475569;
  margin: 0 0 14px;
}

.admin-gestionar-cuestionarios-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}

.admin-gestionar-cuestionario-item {
  margin-bottom: 16px;
  padding: 12px 16px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
}

.admin-gestionar-cuestionario-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.admin-gestionar-cuestionario-toggle-area {
  cursor: pointer;
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.admin-gestionar-cuestionario-chevron {
  display: inline-block;
  width: 1em;
  flex-shrink: 0;
  color: #64748b;
  transition: transform 0.2s ease;
}

.admin-gestionar-cuestionario-item--expanded .admin-gestionar-cuestionario-chevron {
  transform: rotate(90deg);
}

.admin-gestionar-cuestionario-preguntas {
  margin-top: 12px;
  margin-left: 20px;
  padding-left: 12px;
  border-left: 2px solid #e2e8f0;
}

.admin-gestionar-cuestionario-header {
  margin-bottom: 0;
  flex: 1;
  min-width: 0;
}

.admin-gestionar-cuestionario-row .admin-gestionar-cuestionario-actions {
  margin-bottom: 0;
}

.admin-gestionar-cuestionario-titulo {
  font-weight: 600;
  color: #0f172a;
  font-size: 1rem;
}

.admin-gestionar-cuestionario-intentos-link {
  margin-left: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  color: #2563eb;
  text-decoration: underline;
  text-underline-offset: 2px;
  white-space: nowrap;
}

.admin-gestionar-cuestionario-intentos-link:hover {
  color: #1d4ed8;
}

.admin-cuestionario-intentos-ver {
  font-weight: 500;
  color: #2563eb;
  text-decoration: underline;
  text-underline-offset: 2px;
  white-space: nowrap;
}

.admin-cuestionario-intentos-ver:hover {
  color: #1d4ed8;
}

.admin-modal-box--wide {
  max-width: min(920px, 96vw);
}

.admin-cuestionario-intentos-modal-body {
  max-height: min(60vh, 480px);
  overflow: auto;
  margin-top: 8px;
}

.admin-gestionar-cuestionario-desc {
  font-size: 0.9rem;
  color: #64748b;
  display: block;
  margin-top: 4px;
}

.admin-gestionar-cuestionario-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.admin-gestionar-cuestionario-preguntas {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid #e2e8f0;
}

.admin-gestionar-preguntas-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: #475569;
  margin: 0 0 10px;
}

.admin-gestionar-preguntas-list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
}

.admin-gestionar-preguntas-list.importar-pregunta-list-scroll {
  max-height: 320px;
  overflow-y: auto;
  margin-top: 10px;
}

.admin-qb-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 16px;
}

.admin-qb-section-title {
  margin: 0 0 8px 0;
}

.admin-qb-search-wrap {
  margin-bottom: 10px;
}

.admin-form-row.admin-form-row--top {
  margin-top: 10px;
}

.courses-main {
  padding-top: 120px;
}

.btn-inline-mt {
  margin-top: 0.5rem;
  display: inline-block;
}

.admin-gestionar-pregunta-item {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  margin-bottom: 8px;
  font-size: 0.95rem;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
}

.admin-gestionar-pregunta-item:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.admin-gestionar-pregunta-item.open {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.admin-gestionar-pregunta-resumen {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1 1 100%;
  min-width: 0;
}

.admin-gestionar-pregunta-titulo {
  font-weight: 600;
  color: #0f172a;
  flex: 1;
}

.admin-gestionar-pregunta-tipo-badge {
  font-size: 0.75rem;
  padding: 4px 10px;
  background: #e2e8f0;
  color: #475569;
  border-radius: 8px;
}

.admin-gestionar-pregunta-opciones {
  display: none;
  flex: 1 1 100%;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid #e2e8f0;
  width: 100%;
}

.admin-gestionar-pregunta-item.open .admin-gestionar-pregunta-opciones {
  display: block !important;
}

.admin-gestionar-pregunta-opciones .admin-form-label { margin: 0 0 8px; font-size: 0.9rem; }
.admin-gestionar-pregunta-opciones .admin-form-input { width: 100%; max-width: 320px; margin-bottom: 12px; }
.admin-gestionar-pregunta-opciones-btns { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 4px; }

.admin-gestionar-unidad-cuestionarios .unidad-cuestionario-add,
.admin-gestionar-cuestionario-preguntas .cuestionario-pregunta-add,
.admin-gestionar-cuestionario-preguntas .cuestionario-pregunta-add-btn {
  margin-top: 4px;
  padding: 10px 18px;
}

.admin-pregunta-add-wrap {
  position: relative;
  display: inline-block;
  margin-top: 4px;
}

.admin-pregunta-add-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 4px;
  min-width: 180px;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  z-index: 20;
  padding: 6px 0;
}

.admin-pregunta-add-dropdown.hidden {
  display: none !important;
}

.admin-pregunta-add-dropdown button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px 14px;
  border: none;
  background: none;
  font-size: 0.95rem;
  color: var(--gray-text, #2F3A44);
  cursor: pointer;
}

.admin-pregunta-add-dropdown button:hover {
  background: rgba(0,0,0,0.05);
}

.admin-form-fieldset {
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 16px;
  margin: 16px 0;
}

.admin-form-fieldset .admin-form-label { margin-top: 0; }
.admin-form-fieldset legend { padding: 0 8px; }

.admin-gestionar-ejercicio-add-form {
  margin-top: 12px;
  padding: 12px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
}

.admin-gestionar-ejercicio-add-form .admin-form-label {
  display: block;
  margin: 8px 0 4px;
}

.admin-gestionar-ejercicio-add-form .admin-form-label:first-child {
  margin-top: 0;
}

.admin-gestionar-ejercicio-add-form .admin-form-input {
  margin-bottom: 4px;
}

.admin-gestionar-ejercicio-add-actions {
  margin-top: 12px;
  display: flex;
  gap: 8px;
}

/* Modal editor de ejercicios */
.admin-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-sizing: border-box;
}

.admin-modal.hidden {
  display: none !important;
}

.admin-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
}

.admin-modal-box {
  position: relative;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.admin-preview-modal-box {
  max-width: 900px;
  width: 95vw;
  max-height: 88vh;
}

.admin-preview-modal-body {
  flex: 1;
  min-height: 0;
  padding: 0;
  overflow: hidden;
}

.admin-preview-iframe {
  width: 100%;
  height: 75vh;
  min-height: 400px;
  border: none;
  display: block;
}

.admin-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid #e2e8f0;
}

.admin-modal-header h3 {
  margin: 0;
  font-size: 1.25rem;
}

.admin-modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  color: #64748b;
  padding: 0 4px;
}

.admin-modal-close:hover {
  color: #0f172a;
}

.admin-modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

.admin-modal-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid #e2e8f0;
}

.ejercicio-editor-step .admin-form-label {
  display: block;
  margin-bottom: 8px;
}

.ejercicio-editor-step .admin-form-input,
.ejercicio-editor-step .admin-form-textarea {
  margin-bottom: 12px;
}

.admin-ejercicio-form .admin-form-label {
  display: block;
  margin: 12px 0 4px;
}

.admin-ejercicio-form .admin-form-label:first-child {
  margin-top: 0;
}

.admin-ejercicio-respuestas-block {
  margin-top: 20px;
  padding: 16px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
}

.admin-ejercicio-respuestas-block .admin-form-label {
  margin-top: 0;
}

.admin-ejercicio-form .ej-repeat-row {
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid #f1f5f9;
}

.admin-ejercicio-form .ej-repeat-row label {
  display: block;
  margin-bottom: 4px;
  font-size: 0.9rem;
}

/* ========== Zona alumno: layout con menú y calendario ========== */
.hidden {
  display: none !important;
}

.alumno-main {
  min-height: 100vh;
  padding-top: 100px;
}

.alumno-layout {
  display: grid;
  grid-template-columns: 220px 1fr 340px;
  gap: 0;
  max-width: 1440px;
  margin: 0 auto;
  min-height: calc(100vh - 120px);
}

@media (max-width: 1150px) {
  .alumno-layout {
    grid-template-columns: 200px 1fr;
  }
  .alumno-calendar-sidebar {
    display: none;
  }
}

@media (max-width: 700px) {
  .alumno-layout {
    grid-template-columns: 1fr;
  }
  .alumno-sidebar {
    border-right: none;
    border-bottom: 1px solid #e2e8f0;
  }
  /* Menú en una fila con scroll horizontal (evita muchas filas de pestañas) */
  .alumno-nav {
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 8px;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    padding: 0 12px 10px;
    overscroll-behavior-x: contain;
  }
  .alumno-nav-item {
    flex: 0 0 auto;
    min-width: 0;
    white-space: nowrap;
  }
}

.alumno-sidebar {
  background: #fff;
  border-right: 1px solid #e2e8f0;
  padding: 24px 0;
}

.alumno-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.alumno-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  color: #475569;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.alumno-nav-item:hover {
  background: #f1f5f9;
  color: #1e293b;
}

.alumno-nav-item.active {
  background: #eff6ff;
  color: #1d4ed8;
  border-left-color: #2563eb;
}

.alumno-nav-icon {
  font-size: 1.1rem;
  line-height: 1;
}

.alumno-content-wrap {
  padding: 24px 32px 48px;
  background: transparent;
  overflow-x: hidden;
}

.alumno-content {
  max-width: 800px;
}

.alumno-content-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 8px;
}

.alumno-content-intro {
  color: #64748b;
  margin-bottom: 24px;
  font-size: 0.95rem;
}

.alumno-section .section-courses {
  padding: 0;
  max-width: none;
  margin: 0;
  border-radius: 24px;
  overflow: hidden;
}

.alumno-section .courses {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  padding: 0;
  max-width: none;
  margin: 0;
}

.alumno-placeholder {
  background: #fff;
  border: 1px dashed #cbd5e1;
  border-radius: 12px;
  padding: 32px;
  text-align: center;
}

.alumno-placeholder-text {
  color: #64748b;
  margin: 0;
  font-size: 0.95rem;
}

.alumno-calendar-sidebar {
  background: #fff;
  border-left: 1px solid #e2e8f0;
  padding: 24px 16px;
  overflow-y: auto;
  overflow-x: visible;
  min-width: 0;
}

.alumno-calendar-wrap {
  position: sticky;
  top: 100px;
  min-width: 0;
  width: 100%;
  box-sizing: border-box;
}

.alumno-calendar-wrap .admin-calendar-header {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.alumno-calendar-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: #1e293b;
  margin: 0;
  flex-shrink: 0;
}

.alumno-calendar-wrap .admin-calendar-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.alumno-calendar-wrap .admin-calendar-prev,
.alumno-calendar-wrap .admin-calendar-next {
  width: 32px;
  height: 32px;
  font-size: 1.25rem;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.alumno-calendar-wrap .admin-calendar-month-year {
  font-size: 0.95rem;
  min-width: 100px;
}

.alumno-calendar-wrap .admin-calendar {
  padding: 10px;
  min-width: 0;
  overflow: visible;
}

.alumno-calendar-wrap .admin-calendar-weekdays {
  font-size: 0.7rem;
  gap: 2px;
}

.alumno-calendar-wrap .admin-calendar-days {
  gap: 2px;
  min-height: 0;
}

.alumno-calendar-wrap .admin-calendar-day {
  min-height: 48px;
  min-width: 0;
  padding: 3px;
  font-size: 0.8rem;
}

.alumno-calendar-wrap .admin-calendar-day-num {
  font-size: 0.75rem;
}

.alumno-calendar-wrap .admin-calendar-events {
  gap: 2px;
}

.alumno-calendar-wrap .admin-calendar-event {
  font-size: 0.6rem;
  padding: 2px 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  min-width: 0;
}

.alumno-calendar-legend {
  margin-top: 10px;
  font-size: 0.75rem;
  color: #64748b;
  line-height: 1.3;
}

.alumno-calendar-inline {
  margin-top: 16px;
}

/* ========== Zona alumno: diseño mejorado ========== */
.alumno-main {
  background: linear-gradient(160deg, #f0f4f8 0%, #e8eef5 35%, #f8fafc 100%);
}

.alumno-sidebar {
  background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, #f8fafc 100%);
  border-right: 1px solid rgba(226, 232, 240, 0.8);
  padding: 28px 0 32px;
  box-shadow: 2px 0 24px rgba(15, 23, 42, 0.04);
}

.alumno-nav {
  gap: 2px;
  padding: 0 12px;
}

.alumno-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  color: #475569;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 12px;
  border-left: none;
  margin: 0 4px;
  transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

.alumno-nav-item:hover {
  background: rgba(37, 99, 235, 0.08);
  color: #1e40af;
}

.alumno-nav-item.active {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(37, 99, 235, 0.06));
  color: #1d4ed8;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.12);
}

.alumno-nav-icon {
  font-size: 1.2rem;
  line-height: 1;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(148, 163, 184, 0.2);
  border-radius: 10px;
  flex-shrink: 0;
}

.alumno-nav-item.active .alumno-nav-icon {
  background: rgba(37, 99, 235, 0.2);
}

.alumno-content-wrap {
  padding: 32px 40px 56px;
  background: transparent;
  position: relative;
  border-radius: 24px;
  overflow: hidden;
}

.alumno-content-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../assets/images/hero.png") center / cover no-repeat;
  filter: blur(60px) saturate(0.9);
  opacity: 0.12;
  pointer-events: none;
  border-radius: inherit;
}

.alumno-content-wrap > * {
  position: relative;
  z-index: 1;
}

.alumno-content-title {
  font-size: 1.85rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.alumno-content-intro {
  color: #64748b;
  margin-bottom: 28px;
  font-size: 1rem;
  line-height: 1.55;
}

/* Gana al bloque «diseño mejorado» (padding del sidebar y nav) en móvil */
@media (max-width: 700px) {
  .alumno-main .alumno-sidebar {
    padding: 12px 0;
  }
  .alumno-main .alumno-nav {
    padding: 0 12px 10px;
  }
  /* Paso 2 — menos márgenes laterales en el contenido */
  .alumno-main .alumno-content-wrap {
    padding: 20px 16px 44px;
    border-radius: 16px;
  }
  /* Paso 3 — cursos en una columna y menos hueco entre tarjetas */
  .alumno-main .alumno-section .courses {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  /* Paso 4 — menos hueco bajo cabecera fija + altura visible real en móvil */
  .alumno-main {
    padding-top: max(72px, env(safe-area-inset-top, 0px) + 52px);
    min-height: 100vh;
    min-height: 100dvh;
  }
  /* Paso 5 — título e intro proporcionados al ancho (gana al bloque 1.85rem) */
  .alumno-main .alumno-content-title {
    font-size: clamp(1.28rem, 5.2vw, 1.85rem);
    line-height: 1.22;
    letter-spacing: -0.02em;
  }
  .alumno-main .alumno-content-intro {
    font-size: 0.92rem;
    line-height: 1.5;
    margin-bottom: 20px;
  }
}

/* Tarjetas de curso en zona alumno: más presencia */
.alumno-section .section-courses {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
}

.alumno-section .section-courses::before {
  border-radius: 24px;
}

.alumno-section .course-card {
  position: relative;
  overflow: hidden;
}

.alumno-section .course-card .btn.secondary {
  margin-top: 12px;
  padding: 10px 20px;
  font-size: 0.9rem;
  border-radius: 10px;
  transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

.alumno-section .course-card .btn.secondary:hover {
  background: #2563eb;
  color: #fff;
  border-color: #2563eb;
  transform: translateY(-1px);
}

/* Placeholders de secciones (calificaciones, mensajes, etc.) */
.alumno-placeholder {
  background: linear-gradient(145deg, rgba(255,255,255,0.95), rgba(248,250,252,0.98));
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 16px;
  padding: 40px 36px;
  text-align: center;
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
  backdrop-filter: blur(8px);
}

.alumno-placeholder-text {
  color: #64748b;
  margin: 0;
  font-size: 1rem;
  line-height: 1.6;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

/* Calendario lateral alumno: más integrado */
.alumno-calendar-sidebar {
  background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, #f8fafc 100%);
  border-left: 1px solid rgba(226, 232, 240, 0.8);
  padding: 28px 20px 32px;
  box-shadow: -2px 0 24px rgba(15, 23, 42, 0.04);
}

.alumno-calendar-wrap .admin-calendar {
  background: rgba(255, 255, 255, 0.8);
  border-radius: 14px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
}

/* Loading en lista de cursos alumno */
.alumno-section .courses-loading {
  padding: 48px 24px;
  font-size: 1rem;
  color: #64748b;
  background: rgba(255,255,255,0.6);
  border-radius: 16px;
  border: 1px dashed #cbd5e1;
}

/* ========== Página detalle curso (alumno-curso.php) ========== */
.alumno-curso-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
  position: relative;
}

.alumno-curso-page .alumno-curso-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 1.75rem;
  padding: 10px 18px;
  color: #2563eb;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  background: rgba(37, 99, 235, 0.08);
  border-radius: 12px;
  border: 1px solid rgba(37, 99, 235, 0.2);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.alumno-curso-page .alumno-curso-back:hover {
  background: rgba(37, 99, 235, 0.14);
  border-color: rgba(37, 99, 235, 0.35);
  transform: translateX(-2px);
}

.alumno-curso-page .alumno-curso-title {
  font-size: 1.9rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.alumno-curso-page .alumno-curso-intro {
  color: #64748b;
  font-size: 1rem;
  margin-bottom: 2rem;
  line-height: 1.55;
}

.alumno-curso-unidades {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.alumno-curso-unidad {
  margin: 0;
}

.alumno-curso-unidad-link {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 20px 22px;
  background: linear-gradient(145deg, rgba(255,255,255,0.98), rgba(248,250,252,0.98));
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 16px;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  position: relative;
  overflow: hidden;
}

.alumno-curso-unidad-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--unidad-accent, #2563eb), transparent 80%);
  opacity: 0.9;
  border-radius: 4px 0 0 4px;
}

.alumno-curso-unidad-link:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.1);
  border-color: rgba(37, 99, 235, 0.25);
}

.alumno-curso-unidad-link:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}

.alumno-curso-unidad-num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(37, 99, 235, 0.12);
  color: #1d4ed8;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 12px;
}

.alumno-curso-unidad-link:hover .alumno-curso-unidad-num {
  background: rgba(37, 99, 235, 0.2);
}

.alumno-curso-unidad-body {
  flex: 1;
  min-width: 0;
}

.alumno-curso-unidad-link strong {
  font-size: 1.15rem;
  color: #0f172a;
  display: block;
  margin-bottom: 4px;
}

.alumno-curso-unidad-desc {
  color: #64748b;
  font-size: 0.9rem;
  line-height: 1.45;
  margin: 0;
}

.alumno-curso-unidad-arrow {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(148, 163, 184, 0.2);
  color: #64748b;
  border-radius: 10px;
  transition: background 0.2s ease, color 0.2s ease;
}

.alumno-curso-unidad-link:hover .alumno-curso-unidad-arrow {
  background: rgba(37, 99, 235, 0.15);
  color: #2563eb;
}

.alumno-curso-loading {
  text-align: center;
  padding: 3.5rem 2rem;
  color: #64748b;
  font-size: 1rem;
  background: rgba(255,255,255,0.6);
  border-radius: 16px;
  border: 1px dashed #cbd5e1;
}

.alumno-curso-error {
  padding: 20px 24px;
  background: linear-gradient(135deg, #fef2f2, #fff5f5);
  border: 1px solid #fecaca;
  border-radius: 14px;
  color: #b91c1c;
  font-size: 0.95rem;
}

.alumno-curso-error a {
  color: #2563eb;
  text-decoration: underline;
}

.alumno-curso-empty {
  text-align: center;
  padding: 3rem 2rem;
  color: #64748b;
  font-size: 1rem;
  background: rgba(255,255,255,0.6);
  border-radius: 16px;
  border: 1px dashed #cbd5e1;
}

@media (max-width: 640px) {
  .alumno-curso-page {
    padding: 1.5rem 1rem 3rem;
  }
  .alumno-curso-unidad-link {
    padding: 16px 18px;
    gap: 14px;
  }
  .alumno-curso-unidad-num {
    width: 36px;
    height: 36px;
    font-size: 0.9rem;
  }
  .alumno-curso-unidad-arrow {
    display: none;
  }
}

/* ========== alumno-curso: temas en fichas cuadradas + cuestionarios como submenú ========== */
.alumno-curso-temas.courses {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  padding: 0;
  max-width: none;
  margin: 0;
}

.alumno-tema-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 200px;
  cursor: pointer;
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.alumno-tema-card-open {
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.12);
}

.alumno-tema-card-inner {
  flex: 1;
  padding: 24px 20px 20px;
  display: flex;
  flex-direction: column;
  min-height: 160px;
}

.alumno-tema-card-title {
  font-size: 1.15rem;
  margin: 0 0 8px 0;
  color: var(--accent-color);
  line-height: 1.3;
}

.alumno-tema-card-desc {
  font-size: 0.9rem;
  color: #475569;
  margin: 0 0 auto 0;
  line-height: 1.4;
  flex: 1;
  display: -webkit-box;
  line-clamp: 3;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.alumno-tema-card-hint {
  font-size: 0.8rem;
  color: #94a3b8;
  margin: 12px 0 0 0;
}

.alumno-tema-cuestionarios {
  border-top: 1px solid rgba(226, 232, 240, 0.9);
  padding: 14px 20px 18px;
  background: rgba(248, 250, 252, 0.8);
}

.alumno-tema-cuestionarios.hidden {
  display: none !important;
}

.alumno-tema-cuestionarios-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64748b;
  margin: 0 0 10px 0;
}

.alumno-tema-cuestionarios-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.alumno-tema-cuestionarios-list li {
  margin: 0 0 6px 0;
}

.alumno-cuestionario-link {
  display: block;
  padding: 10px 14px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  color: #1e40af;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.alumno-cuestionario-link:hover {
  background: #eff6ff;
  border-color: #93c5fd;
  color: #1d4ed8;
}

.alumno-tema-cuestionarios-loading,
.alumno-tema-cuestionarios-empty,
.alumno-tema-cuestionarios-error {
  margin: 0;
  font-size: 0.9rem;
  color: #64748b;
}

.alumno-tema-cuestionarios-error {
  color: #b91c1c;
}

/* Visor de cuestionario en la misma página (iframe) */
.alumno-quiz-viewer {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  bottom: 0;
  background: #f8fafc;
  z-index: 100;
}

.alumno-quiz-viewer.hidden {
  display: none !important;
}

.alumno-quiz-viewer-header {
  flex-shrink: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px 16px;
  padding: 12px 20px;
  background: #fff;
  border-bottom: 1px solid #e2e8f0;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.alumno-quiz-viewer-header-start {
  justify-self: start;
  min-width: 0;
}

.alumno-quiz-viewer-header-end {
  justify-self: end;
  min-width: 0;
}

.alumno-quiz-viewer-header-center {
  justify-self: center;
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 0;
}

.alumno-quiz-timer-host {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 84px;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: #eef2ff;
  color: #1d4ed8;
  border: 1px solid #c7d2fe;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.2px;
  cursor: pointer;
  user-select: none;
  position: relative;
}

.alumno-quiz-timer-host.alumno-quiz-timer-warn {
  background: #fee2e2;
  color: #b91c1c;
  border-color: #fecaca;
}

.alumno-quiz-timer-host.alumno-quiz-timer--collapsed {
  min-width: 40px;
  padding: 0 10px;
}

.alumno-quiz-timer-host.alumno-quiz-timer--collapsed .alumno-quiz-timer-value {
  display: none;
}

.alumno-quiz-timer-host.alumno-quiz-timer--collapsed::after {
  content: '⏱';
  font-size: 1.05rem;
  line-height: 1;
}

.alumno-quiz-viewer-back {
  padding: 10px 18px;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.25);
  border-radius: 10px;
  color: #2563eb;
  font-weight: 500;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.alumno-quiz-viewer-back:hover {
  background: rgba(37, 99, 235, 0.14);
  border-color: rgba(37, 99, 235, 0.4);
}

.alumno-quiz-viewer iframe {
  flex: 1;
  width: 100%;
  min-height: 400px;
  border: none;
  background: #fff;
}

.alumno-curso-page {
  position: relative;
}

#alumno-curso-temas-wrap.hidden {
  display: none !important;
}

/* ========== Evaluacion (alumno/padres) ========== */
.alumno-layout-padres {
  grid-template-columns: 1fr;
  max-width: 1120px;
}

/* Zona padres: tres fichas (Notas de clase, Exámenes, Simulacros) estilo course-card */
.padres-evaluacion-fichas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 8px;
}

.padres-evaluacion-ficha {
  padding: 24px;
}

.padres-evaluacion-ficha .evaluacion-table-wrap {
  margin-top: 12px;
  min-height: 80px;
}

.padres-ficha-desc {
  font-size: 0.9rem;
  color: #64748b;
  margin: 0 0 12px;
}

.padres-evaluacion-nombre-hijo {
  font-size: 1.15rem;
  color: #0f172a;
  margin: 0 0 16px;
  padding: 0;
}

.padres-evaluacion-nombre-hijo strong {
  color: var(--prepare-1, #0ea5e9);
  font-weight: 700;
}

.alumno-layout-padres .alumno-content-wrap {
  padding-left: 32px;
  padding-right: 32px;
}

.evaluacion-wrap {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.evaluacion-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.evaluacion-summary-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  box-shadow: var(--shadow-md);
}

.evaluacion-summary-card h3 {
  margin: 0 0 6px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.evaluacion-summary-card p {
  margin: 0;
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--color-text);
}

.evaluacion-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.evaluacion-filter-label {
  font-size: 0.9rem;
  color: var(--color-text-muted-alt);
  font-weight: 600;
}

.evaluacion-filter-select {
  min-width: 220px;
  border: 1px solid var(--color-border-input);
  border-radius: var(--input-radius);
  padding: 10px 12px;
  font: inherit;
  background: #fff;
  color: var(--color-text);
}

.evaluacion-filter-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-focus);
}

.evaluacion-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-card);
  box-shadow: var(--shadow-md);
}

.evaluacion-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 860px;
}

.evaluacion-table th,
.evaluacion-table td {
  padding: 12px 14px;
  border-bottom: 1px solid #e2e8f0;
  text-align: left;
  vertical-align: middle;
  font-size: 0.92rem;
}

.evaluacion-table th {
  background: #f8fafc;
  color: #475569;
  font-weight: 700;
  white-space: nowrap;
}

.evaluacion-table tbody tr:hover {
  background: #f8fafc;
}

.evaluacion-table-empty {
  color: #64748b;
  text-align: center !important;
  padding: 20px !important;
}

.evaluacion-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.evaluacion-chip-cuestionario {
  background: rgba(37, 99, 235, 0.14);
  color: #1d4ed8;
}

.evaluacion-chip-cuestionario_extra {
  background: rgba(59, 130, 246, 0.12);
  color: #1e40af;
}

.evaluacion-chip-simulacro {
  background: rgba(147, 51, 234, 0.14);
  color: #7e22ce;
}

.evaluacion-chip-manual {
  background: rgba(22, 163, 74, 0.14);
  color: #15803d;
}

.evaluacion-actividad {
  min-width: 240px;
  color: #0f172a;
  font-weight: 600;
}

.evaluacion-nota {
  white-space: nowrap;
  font-weight: 700;
  color: #0f172a;
}

@media (max-width: 900px) {
  .evaluacion-summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 540px) {
  .evaluacion-summary-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== Mensajería interna (alumno / padres / admin) ========== */
.mensajes-inbox {
  max-width: 720px;
}

.mensajes-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mensaje-item {
  border-radius: 12px;
  padding: 14px 18px;
  border: 1px solid #e2e8f0;
  background: #fff;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.mensaje-item.mensaje-recibido {
  border-left: 4px solid #2563eb;
  background: linear-gradient(90deg, rgba(37, 99, 235, 0.06), transparent);
}

.mensaje-item.mensaje-enviado {
  border-left: 4px solid #64748b;
  background: #f8fafc;
}

.mensaje-item.mensaje-no-leido.mensaje-recibido {
  border-left-color: #1d4ed8;
  background: linear-gradient(90deg, rgba(37, 99, 235, 0.1), transparent);
}

.mensaje-meta {
  display: block;
  font-size: 0.82rem;
  color: #64748b;
  margin-bottom: 6px;
}

.mensaje-asunto {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 6px;
  color: #0f172a;
}

.mensaje-cuerpo {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.5;
  color: #334155;
  white-space: pre-wrap;
  word-break: break-word;
}

.mensajes-nuevo {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid #e2e8f0;
}

.mensajes-nuevo-title {
  margin: 0 0 16px;
  font-size: 1.1rem;
  color: #0f172a;
}

.mensajes-form .admin-form-row {
  margin-bottom: 16px;
}

.mensajes-form .btn.primary {
  margin-top: 8px;
}

/* Pestañas zona padres (Evaluación | Mensajes) */
.padres-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 20px;
  border-bottom: 1px solid #e2e8f0;
}

.padres-tab {
  padding: 10px 20px;
  font: inherit;
  font-weight: 600;
  color: #64748b;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  margin-bottom: -1px;
  border-radius: 6px 6px 0 0;
}

.padres-tab:hover {
  color: #334155;
}

.padres-tab.active {
  color: #2563eb;
  border-bottom-color: #2563eb;
}

.padres-panel.hidden {
  display: none !important;
}

.admin-mensajes-wrap h2 {
  margin-top: 0;
}

/* Zona padres: Documentos económicos */
.padres-doc-economicos-lista {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  max-width: 640px;
}

.padres-doc-economicos-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  margin-bottom: 10px;
  background: #fff;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.padres-doc-economicos-item-tipo {
  font-weight: 600;
  color: #475569;
}

.padres-doc-economicos-item-nombre {
  color: #0f172a;
}

.padres-doc-economicos-item-fecha {
  font-size: 0.9rem;
  color: #64748b;
}

/* Zona alumno: lista de tareas pendientes */
.alumno-pendientes-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.alumno-pendientes-item {
  padding: 14px 18px;
  margin-bottom: 10px;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.alumno-pendientes-fecha {
  font-weight: 600;
  color: #64748b;
  font-size: 0.9rem;
}

.alumno-pendientes-tipo {
  font-size: 0.85rem;
  color: #0ea5e9;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.alumno-card-pendientes {
  cursor: pointer;
}

.alumno-card-pendientes .btn.secondary {
  pointer-events: none;
}

/* Zona padres: cuadrados Evaluación, Mensajes, Documentos */
.padres-cards-wrap.hidden,
.padres-panel-wrap.hidden {
  display: none !important;
}

.padres-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 20px;
}

.padres-card {
  cursor: pointer;
}

.padres-card .btn.secondary {
  pointer-events: none;
}

.padres-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.1);
}

.padres-volver-wrap {
  margin: 0 0 20px;
}

.padres-volver {
  font-size: 0.95rem;
}

/* ========== Centro de notificaciones in-app (header) ========== */
.nav-notifications-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  margin: 0 4px;
}

.nav-notifications-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  background: transparent;
  border-radius: 10px;
  cursor: pointer;
  color: inherit;
  font-size: 1.25rem;
}

.nav-notifications-btn:hover {
  background: rgba(0, 0, 0, 0.06);
}

.nav-notifications-btn:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}

.nav-notifications-icon {
  display: block;
  line-height: 1;
}

.nav-notifications-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
  color: #fff;
  background: #dc2626;
  border-radius: 999px;
  border: 2px solid var(--header-bg, #fff);
}

.nav-notifications-badge.hidden {
  display: none !important;
}

.nav-notifications-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  width: min(380px, calc(100vw - 24px));
  max-height: 70vh;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.15);
  border: 1px solid #e2e8f0;
  z-index: 1000;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.nav-notifications-dropdown.hidden {
  display: none !important;
}

.nav-notifications-dropdown-inner {
  display: flex;
  flex-direction: column;
  max-height: 70vh;
  overflow: hidden;
}

.nav-notifications-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid #e2e8f0;
  background: #f8fafc;
  flex-shrink: 0;
}

.nav-notifications-header h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: #0f172a;
}

.nav-notifications-marcar-todas {
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #2563eb;
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.nav-notifications-marcar-todas:hover {
  background: rgba(37, 99, 235, 0.1);
}

.nav-notifications-marcar-todas.hidden {
  display: none !important;
}

.nav-notifications-list {
  overflow-y: auto;
  padding: 8px;
  flex: 1;
  min-height: 80px;
}

.nav-notifications-list .courses-loading,
.nav-notifications-list .courses-error {
  padding: 16px;
  margin: 0;
  font-size: 0.9rem;
  color: #64748b;
}

.nav-notifications-ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-notification-item {
  margin-bottom: 4px;
  border-radius: 10px;
  overflow: hidden;
}

.nav-notification-link {
  display: block;
  padding: 12px 14px;
  text-decoration: none;
  color: inherit;
  font-size: 0.9rem;
  transition: background 0.15s;
}

.nav-notification-link:hover {
  background: #f1f5f9;
}

.nav-notification-item--no-leida .nav-notification-link {
  background: rgba(37, 99, 235, 0.06);
}

.nav-notification-item--no-leida .nav-notification-link:hover {
  background: rgba(37, 99, 235, 0.12);
}

.nav-notification-titulo {
  display: block;
  font-weight: 600;
  color: #0f172a;
  margin-bottom: 4px;
}

.nav-notification-cuerpo {
  display: block;
  font-size: 0.85rem;
  color: #64748b;
  line-height: 1.4;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-notification-fecha {
  display: block;
  font-size: 0.75rem;
  color: #94a3b8;
}

.nav-notifications-empty {
  padding: 24px 16px;
  text-align: center;
  font-size: 0.9rem;
  color: #64748b;
}

/* Pestaña Asistencia */
.admin-asistencia-wrap {
  padding: 0 24px 24px;
}

.admin-asistencia-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(180px, 1fr));
  gap: 12px;
  align-items: end;
  margin-bottom: 12px;
}

.admin-asistencia-controls .admin-form-row {
  margin-bottom: 0;
}

.admin-asistencia-controls-action {
  display: flex;
  justify-content: flex-start;
}

.admin-asistencia-resumen {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 14px;
}

.admin-asistencia-resumen span {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.85rem;
  color: #334155;
}

.admin-asistencia-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.admin-asistencia-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.admin-asistencia-row {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  background: #fff;
  padding: 12px;
  display: grid;
  grid-template-columns: 1.1fr 1.4fr 1fr;
  gap: 10px;
  align-items: center;
}

.admin-asistencia-alumno {
  min-width: 0;
}

.admin-asistencia-alumno strong {
  display: block;
  color: #0f172a;
}

.admin-asistencia-alumno small {
  color: #64748b;
}

.admin-asistencia-estados {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.admin-asistencia-estado {
  position: relative;
}

.admin-asistencia-estado input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.admin-asistencia-estado span {
  display: inline-flex;
  align-items: center;
  border: 1px solid #cbd5e1;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.8rem;
  color: #334155;
  background: #fff;
  cursor: pointer;
}

.admin-asistencia-estado input:checked + span {
  border-color: #2563eb;
  background: rgba(37, 99, 235, 0.1);
  color: #1d4ed8;
  font-weight: 600;
}

.admin-asistencia-obs {
  width: 100%;
}

.admin-asistencia-divider {
  border: none;
  border-top: 1px solid #e2e8f0;
  margin: 24px 0;
}

.admin-asistencia-subheader h3 {
  font-size: 1.2rem;
  color: #1f2933;
  margin-bottom: 8px;
}

.admin-asistencia-mes-wrap {
  margin-top: 12px;
}

.admin-asistencia-mes-wrap .admin-alumnos-list-table-wrap {
  margin-top: 10px;
}

@media (max-width: 900px) {
  .admin-asistencia-controls {
    grid-template-columns: 1fr;
  }

  .admin-asistencia-row {
    grid-template-columns: 1fr;
  }
}