/* ============================================
   AULAR Layout — Modern Gamer Edition
   ============================================ */

/* ----- Modern Gamer Navbar ----- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
}

.navbar {
  position: relative;
  height: var(--navbar-height);
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-800));
  z-index: 200;
  transition: background var(--transition-base);
  box-shadow: 0 2px 16px rgba(0,0,0,0.15);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  gap: var(--space-4);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--color-surface-hover);
  border-radius: var(--radius-lg);
  box-shadow: inset 0 0 0 1px rgba(0, 64, 160, 0.18);
  text-decoration: none;
  flex-shrink: 0;
}

.navbar-brand svg {
  width: 22px;
  height: 22px;
  color: var(--color-primary-800);
}

.navbar-brand span {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary-800);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.navbar-brand .brand-prefix {
  color: var(--color-primary-300);
}

.navbar-brand .brand-beta {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--color-text-tertiary);
  text-transform: lowercase;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.navbar-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.navbar-link:hover {
  color: white;
  background: rgba(255,255,255,0.12);
  text-decoration: none;
}

.navbar-link.active {
  color: white;
  background: rgba(255,255,255,0.18);
  box-shadow: inset 0 -2px 0 white;
}

[data-theme="dark"] .navbar-link.active {
  background: rgba(255,255,255,0.18);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.navbar-actions .btn-ghost {
  color: rgba(255,255,255,0.9);
  border-color: rgba(255,255,255,0.25);
}
.navbar-actions .btn-ghost:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}

/* Mobile menu button */
.navbar-toggle {
  display: none;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  color: rgba(255,255,255,0.85);
}

.navbar-toggle:hover {
  background: rgba(255,255,255,0.12);
  color: white;
}

/* Admin sub-navbar */
.admin-navbar {
  position: relative;
  top: auto;
  left: 0;
  right: 0;
  height: 40px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  z-index: 199;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.admin-navbar-inner {
  display: flex;
  align-items: center;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
  gap: var(--space-1);
  /* En desktop/desktop angosto se scrollea horizontal, pero en movil es
     mucho mas util envolver: el admin tiene 9 links y sin indicador el
     contenido queda cortado. */
  flex-wrap: wrap;
  overflow-x: visible;
  height: auto;
  min-height: 40px;
}

.admin-navbar-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  white-space: nowrap;
  transition: background .15s, color .15s;
}

.admin-navbar-link:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.admin-navbar-link.active {
  background: var(--color-primary-alpha);
  color: var(--color-primary);
  font-weight: 600;
}


/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }

[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* ----- Hero Section (Landing) ----- */
.hero {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  padding: var(--space-20) 0;
  min-height: calc(80vh - var(--navbar-height));
}

.hero-content {
  flex: 1;
}

.hero-content h1 {
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: var(--space-4);
  letter-spacing: 1px;
  background: linear-gradient(135deg, var(--color-text), var(--color-primary-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: var(--text-lg);
  max-width: 540px;
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.hero-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-illustration {
  width: 100%;
  max-width: 480px;
  height: auto;
  color: var(--color-primary-400);
}

/* ----- Section ----- */
.section {
  padding: var(--space-16) 0;
}

.section-alt {
  background: var(--color-surface-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-3);
  font-size: var(--text-2xl);
  letter-spacing: 1px;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-10);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ----- Modern Gamer Footer ----- */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-12) 0 var(--space-8);
  margin-top: var(--space-16);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer-brand svg {
  width: 28px;
  height: 28px;
  color: var(--color-primary-600);
  margin-bottom: var(--space-2);
}

.footer-brand h4 {
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-brand p {
  font-size: var(--text-sm);
  max-width: 300px;
}

.footer-col h5 {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
  font-family: var(--font-heading);
}

.footer-col a {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  padding: var(--space-1) 0;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-primary-600);
}

.footer-bottom {
  border-top: 1px solid var(--color-border-light);
  padding-top: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-bottom p {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

/* ----- Modern Gamer Sidebar (Dashboard) ----- */
.layout-sidebar {
  display: flex;
  min-height: calc(100vh - var(--navbar-height));
}

.sidebar {
  width: var(--sidebar-width);
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: var(--space-4);
  flex-shrink: 0;
  position: sticky;
  top: var(--navbar-height);
}

.admin-navbar + .page-wrapper .sidebar {
  top: calc(var(--navbar-height) + 40px);
}

.sidebar-section {
  margin-bottom: var(--space-6);
}

.sidebar-section-title {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-tertiary);
  padding: 0 var(--space-3);
  margin-bottom: var(--space-2);
  font-family: var(--font-heading);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.sidebar-link:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
  text-decoration: none;
}

.sidebar-link.active {
  background: var(--color-primary-50);
  color: var(--color-primary-600);
  font-weight: 500;
  box-shadow: inset 0 0 0 1px var(--color-primary-200);
}

[data-theme="dark"] .sidebar-link.active {
  background: rgba(11, 123, 161, 0.15);
}

.sidebar-link svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.scroll-list {
  max-height: calc(100vh - var(--navbar-height) - var(--space-8) - var(--space-8) - 120px);
  overflow-y: auto;
  min-height: 200px;
  padding: 1px 0;
}

.sidebar-badge {
  margin-left: auto;
  min-width: 20px;
  text-align: center;
  line-height: 1;
  padding: 2px 6px;
}

.badge-error.sidebar-badge {
  background: var(--color-error);
  color: #fff;
}

.reportes-badge {
  background: var(--color-error);
  color: #fff;
  margin-left: var(--space-1);
}

.main-content {
  flex: 1;
  padding: var(--space-8) var(--space-6);
  max-width: calc(var(--max-width) - var(--sidebar-width));
  min-width: 0;
}

.main-content.full {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* ----- Auth Layout ----- */
.auth-layout {
  display: flex;
  min-height: calc(100vh - var(--navbar-height));
}

.auth-form-side {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
}

.auth-form-container {
  width: 100%;
  max-width: 420px;
}

.auth-form-container h1 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
  letter-spacing: 1px;
}

.auth-form-container > p {
  font-size: var(--text-sm);
  margin-bottom: var(--space-8);
}

.auth-visual-side {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-50), var(--color-primary-100));
  padding: var(--space-8);
}

[data-theme="dark"] .auth-visual-side {
  background: linear-gradient(135deg, rgba(11, 123, 161, 0.1), rgba(11, 123, 161, 0.05));
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--color-text-tertiary);
  font-size: var(--text-sm);
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.auth-footer {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-6);
}

/* ----- Topic Page Layout ----- */
.topic-layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.topic-header {
  display: flex;
  gap: var(--space-6);
  align-items: flex-start;
}

.topic-info {
  flex: 1;
}

.topic-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-3);
}

.topic-content-tabs {
  position: sticky;
  top: var(--navbar-height);
  background: var(--color-bg);
  z-index: 50;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}

.topic-content {
  min-height: 300px;
}

/* ----- Profile Layout ----- */
.profile-header {
  display: flex;
  gap: var(--space-6);
  align-items: center;
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-8);
}

.profile-info h1 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-1);
  letter-spacing: 1px;
}

.profile-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

/* ----- Dashboard Widgets ----- */
.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.dashboard-section {
  margin-bottom: var(--space-8);
}

.dashboard-section h2 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
  letter-spacing: 1px;
}

/* ----- Responsive ----- */
@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding: var(--space-12) 0;
  }

  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .auth-visual-side {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --navbar-height: 104px;
  }

    .navbar {
      height: auto;
    }

    /* La barra admin es fija en desktop, pero en móvil necesita envolver para
       que todos sus links sean visibles. También su altura pasa a auto porque
       puede tener varias filas. */
    .admin-navbar {
      height: auto;
    }

    .admin-navbar-inner {
      height: auto;
      min-height: 40px;
      flex-wrap: wrap;
      padding: var(--space-2) var(--space-4);
      overflow-x: visible;
    }

  .navbar-inner {
    flex-wrap: wrap;
    height: auto;
    padding: var(--space-2) var(--space-4);
    row-gap: var(--space-2);
  }

  .navbar-nav {
    order: 3;
    flex: 0 1 100%;
    flex-direction: row;
    justify-content: flex-start;
    /* Los 5 links principales suman ~383px y no caben en 390px de viewport
       una vez descontado el padding. Con overflow-x:auto el ultimo link
       ("Mi Perfil") quedaba cortado sin ninguna pista de que se pudiera
       deslizar, igual que pasaba con el sidebar. Envolver los deja todos
       visibles. */
    flex-wrap: wrap;
    row-gap: var(--space-1);
    padding: 0;
    display: flex;
    background: none;
    box-shadow: none;
  }

  .navbar-link {
    white-space: nowrap;
  }

  .navbar-toggle {
    display: none;
  }

  /* En móvil el sidebar deja de ser una barra que se desliza y pasa a
     envolver en varias lineas. Con overflow-x:auto el contenido midia ~630px
     contra los ~390px del viewport, y como no hay ningun indicador de que se
     pueda deslizar, los links de la derecha quedaban recortados y el usuario
    |reportaba que el sidebar "desaparecio". Envolver muestra todo de una. */
  .sidebar {
    width: 100%;
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-3) var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
  }

  .sidebar-section {
    margin-bottom: 0;
    display: flex;
    align-items: center;
    /* flex-wrap deja pasar cada link a la fila siguiente en vez de empujar
       los ultimos fuera de la vista. */
    flex-wrap: wrap;
    gap: var(--space-1);
  }

  .sidebar-section-title {
    display: none;
  }

  .sidebar-link {
    white-space: nowrap;
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-xs);
  }

  .layout-sidebar {
    flex-direction: column;
  }

  .main-content {
    padding: var(--space-4);
    max-width: 100%;
  }

  .profile-header {
    flex-direction: column;
    text-align: center;
  }

  .topic-header {
    flex-direction: column;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .hero-content h1 {
    font-size: var(--text-2xl);
  }

  .page-header h1 {
    font-size: var(--text-xl);
  }

  .dashboard-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .dashboard-stats {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: var(--space-8) 0;
    min-height: auto;
  }
}


/* Materia search autocomplete (solicitud de aporte) */
.materia-search-wrap {
  position: relative;
}

.materia-search-list {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  z-index: 40;
  max-height: 220px;
  overflow-y: auto;
  display: none;
}

.materia-search-list.open {
  display: block;
}

.materia-suggestion {
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: var(--space-2) var(--space-3);
  font-family: inherit;
  color: var(--color-text);
  cursor: pointer;
}

.materia-suggestion:hover,
.materia-suggestion:focus-visible {
  background: var(--color-surface-alt);
}

.materia-suggestion-titulo {
  font-weight: 600;
}

.materia-suggestion-carrera {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.materia-suggestion-empty {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}