/**
 * Laboratorio Editorial – Responsive Mobile First
 * Breakpoints:
 *   - Base:     320px  (móvil pequeño)
 *   - SM:       480px  (móvil grande)
 *   - MD:       768px  (tablet vertical)
 *   - LG:       1024px (tablet horizontal / desktop pequeño)
 *   - XL:       1280px (desktop)
 *   - 2XL:      1536px (desktop grande)
 */

/* ============================================================
   BASE (320px+) – Móvil Small
   ============================================================ */

/* Root: padding mínimo en móvil */
.lec-root {
  padding: 0;
  font-size: clamp(14px, 4vw, 16px);
}

/* Layout: columna única en móvil */
.lec-layout {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
}

/* Sidebar: oculto por defecto en móvil (offcanvas) */
.lec-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 88%;
  max-width: 320px;
  height: 100vh;
  height: 100dvh; /* Dynamic viewport height para móviles */
  z-index: 50;
  background: #FFFFFF;
  border: none;
  border-radius: 0;
  box-shadow: 0 0 0 0 transparent;
  transform: translateX(-100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.lec-sidebar.is-open {
  transform: translateX(0);
  box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

/* Sidebar scrim (fondo oscuro) */
.lec-sidebar-scrim {
  position: fixed;
  inset: 0;
  z-index: 49;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.lec-sidebar-scrim.is-visible {
  opacity: 1;
  pointer-events: auto;
}

/* Sidebar header con botón cerrar */
.lec-sidebar-header {
  padding: 16px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--lec-border);
}

.lec-sidebar-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  border-radius: 8px;
  color: var(--lec-gray-soft);
  cursor: pointer;
  flex-shrink: 0;
  font-size: 20px;
  transition: all 0.15s;
}

.lec-sidebar-close:hover {
  background: var(--lec-gray-light);
  color: var(--lec-primary);
}

.lec-sidebar-title {
  font-size: 18px;
}

/* Sidebar: ajustes para scroll en móvil */
.lec-sidebar-footer {
  padding: 16px;
  gap: 16px;
}

/* Mobile bar: barra superior con botón "Filtros" */
.lec-mobile-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: #FFFFFF;
  border-bottom: 1px solid var(--lec-border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.lec-filter-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--lec-border);
  border-radius: 8px;
  background: #FFFFFF;
  color: var(--lec-gray-dark);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
  font-family: inherit;
  transition: all 0.15s;
}

.lec-filter-toggle:hover,
.lec-filter-toggle:active {
  background: var(--lec-gray-light);
  border-color: var(--lec-primary);
  color: var(--lec-primary);
}

/* Main: padding en móvil */
.lec-main {
  padding: 16px;
}

/* Pills: stack vertical en móvil si son muchos */
.lec-pills {
  gap: 8px;
}

/* Results header: stack en móvil */
.lec-results-header {
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 16px;
}

.lec-results-title {
  font-size: clamp(20px, 5vw, 22px);
}

.lec-results-sub {
  font-size: 12px;
}

.lec-results-count {
  align-self: flex-start;
  padding-top: 0;
}

/* Grid de cards: 1 columna en móvil */
.lec-grid,
.lec-skeleton-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

/* Cards: ajustar para móvil */
.lec-card {
  border-radius: 12px;
  overflow: hidden;
}

.lec-card-cover {
  aspect-ratio: 3/4;
  padding: 16px 14px;
}

.lec-card-badge {
  font-size: 10px;
  padding: 3px 8px;
}

.lec-card-cover-title {
  font-size: clamp(16px, 4.5vw, 19px);
}

.lec-card-cover-autor {
  font-size: 11px;
  margin-top: 8px;
}

.lec-card-body {
  padding: 14px;
  gap: 4px;
}

.lec-card-title {
  font-size: 16px;
}

.lec-card-autor {
  font-size: 12px;
}

.lec-card-anio {
  font-size: 13px;
}

/* Empty state: más compacto en móvil */
.lec-empty {
  padding: 48px 16px;
  border-radius: 12px;
}

.lec-empty-icon {
  font-size: 36px;
  margin-bottom: 12px;
}

.lec-empty-title {
  font-size: 20px;
}

.lec-empty-desc {
  font-size: 13px;
}

/* Paginación: stack en móvil */
.lec-pagination {
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
  margin-top: 24px;
}

.lec-showing-text {
  font-size: 13px;
  text-align: center;
}

.lec-pagination-controls {
  flex-direction: column;
  gap: 10px;
}

.lec-page-btn {
  width: 100%;
  justify-content: center;
  padding: 12px 16px;
  min-height: 48px;
  font-size: 15px;
}

.lec-page-numbers {
  flex-direction: row;
  justify-content: center;
  gap: 6px;
  order: -1;
}

.lec-page-num {
  min-width: 44px;
  height: 44px;
}

/* Toast: ajustar posición en móvil */
.lec-toast {
  bottom: 16px;
  left: 16px;
  right: 16px;
  transform: none;
  padding: 14px 16px;
  font-size: 14px;
  border-radius: 10px;
}

/* ============================================================
   MODAL RESPONSIVE (Mobile First)
   ============================================================ */

/* Modal backdrop: padding mínimo en móvil */
.lec-modal-backdrop {
  padding: 0;
  align-items: flex-end;
}

.lec-modal-backdrop[aria-hidden="false"] {
  align-items: flex-end;
}

/* Modal container: ocupa toda la pantalla en móvil */
.lec-modal-container {
  width: 100%;
  max-width: 100%;
  max-height: 95vh;
  max-height: 95dvh;
  border-radius: 16px 16px 0 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

/* Modal head: más compacto en móvil */
.lec-modal-head {
  padding: 16px 20px 14px;
  gap: 10px;
  position: sticky;
  top: 0;
  background: #FFFFFF;
  z-index: 10;
}

.lec-modal-close {
  width: 40px;
  height: 40px;
  font-size: 22px;
}

/* Modal body: columna única en móvil */
.lec-modal-body {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 20px 20px 24px;
}

.lec-modal-cover-col {
  width: 100%;
  max-width: 280px;
  margin: 0 auto;
}

.lec-modal-cover-wrap {
  aspect-ratio: 3/4;
  border-radius: 10px;
  /* Permitir tap en móvil */
  -webkit-tap-highlight-color: transparent;
}

.lec-modal-cover-actions {
  flex-direction: row;
  gap: 8px;
}

.lec-btn-sm {
  flex: 1;
  padding: 10px 12px;
  font-size: 13px;
  min-height: 44px;
}

.lec-modal-info-col {
  gap: 18px;
}

.lec-modal-title {
  font-size: clamp(22px, 6vw, 26px);
}

.lec-modal-meta {
  font-size: 13px;
  gap: 6px;
}

/* Facts: una columna en móvil */
.lec-modal-facts {
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 10px;
}

.lec-modal-facts dt {
  font-size: 10px;
}

.lec-modal-facts dd {
  font-size: 13px;
  margin-top: 2px;
}

.lec-modal-desc {
  font-size: 14px;
  line-height: 1.6;
}

/* Share buttons: stack en móvil */
.lec-share-group {
  flex-direction: column;
  gap: 8px;
}

.lec-share-btn {
  width: 100%;
  justify-content: center;
  padding: 12px 16px;
  min-height: 48px;
  font-size: 14px;
}

.lec-short-url {
  font-size: 11px;
  padding: 8px 12px;
  background: var(--lec-gray-bg);
  border-radius: 6px;
}

.lec-modal-actions {
  flex-direction: column;
  gap: 10px;
}

.lec-btn-edit,
.lec-btn-danger {
  width: 100%;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  font-size: 14px;
}

.lec-gestor-note {
  font-size: 10px;
  text-align: center;
  margin: 0;
}

/* Modal foot */
.lec-modal-foot {
  padding: 14px 20px;
  position: sticky;
  bottom: 0;
  background: var(--lec-gray-bg);
  z-index: 10;
}

/* Zoom modal: ajustar para móvil */
.lec-zoom-backdrop {
  padding: 12px;
}

.lec-zoom-close {
  top: 12px;
  right: 12px;
  width: 44px;
  height: 44px;
  font-size: 22px;
}

.lec-zoom-content {
  gap: 12px;
  max-width: 100%;
  max-height: 90vh;
  max-height: 90dvh;
}

.lec-zoom-img {
  max-width: 100%;
  max-height: 75vh;
  max-height: 75dvh;
  border-radius: 8px;
}

.lec-zoom-caption {
  font-size: 14px;
  padding: 0 12px;
}

/* ============================================================
   SM (480px+) – Móvil Grande
   ============================================================ */
@media (min-width: 480px) {
  .lec-root {
    font-size: 16px;
  }

  .lec-mobile-bar {
    padding: 14px 20px;
  }

  .lec-main {
    padding: 20px;
  }

  .lec-results-title {
    font-size: 22px;
  }

  .lec-results-sub {
    font-size: 13px;
  }

  /* Grid: 2 columnas en móvil grande si hay espacio */
  .lec-grid,
  .lec-skeleton-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 18px;
  }

  .lec-card-cover-title {
    font-size: 18px;
  }

  .lec-modal-title {
    font-size: 24px;
  }

  .lec-modal-desc {
    font-size: 15px;
  }

  .lec-toast {
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    max-width: 420px;
    bottom: 20px;
  }
}

/* ============================================================
   MD (768px+) – Tablet Vertical
   ============================================================ */
@media (min-width: 768px) {
  .lec-root {
    padding: 0 20px;
  }

  .lec-layout {
    padding: 0;
  }

  /* Sidebar: puede ser sticky en tablet si cabe */
  .lec-sidebar {
    position: relative;
    width: 100%;
    max-width: 100%;
    height: auto;
    transform: translateX(0);
    border: 1px solid var(--lec-border);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    margin-bottom: 24px;
  }

  .lec-sidebar-scrim {
    display: none;
  }

  .lec-sidebar-close {
    display: none;
  }

  .lec-sidebar-header {
    padding: 20px 20px 12px;
  }

  .lec-sidebar-title {
    font-size: 20px;
  }

  .lec-mobile-bar {
    display: none;
  }

  .lec-main {
    padding: 24px 0;
  }

  .lec-results-header {
    flex-direction: row;
    align-items: flex-start;
    margin-bottom: 20px;
  }

  .lec-results-count {
    padding-top: 4px;
  }

  /* Grid: 2-3 columnas en tablet */
  .lec-grid,
  .lec-skeleton-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
  }

  /* Paginación: horizontal en tablet */
  .lec-pagination {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .lec-pagination-controls {
    flex-direction: row;
    gap: 8px;
  }

  .lec-page-btn {
    width: auto;
    min-height: 44px;
  }

  .lec-page-numbers {
    order: 0;
  }

  /* Modal: centrado en tablet */
  .lec-modal-backdrop {
    padding: 20px;
    align-items: center;
  }

  .lec-modal-container {
    max-width: 700px;
    max-height: 90vh;
    border-radius: 16px;
  }

  .lec-modal-head {
    padding: 20px 28px 16px;
  }

  .lec-modal-body {
    padding: 24px 28px;
    gap: 24px;
  }

  .lec-modal-facts {
    grid-template-columns: 1fr 1fr;
    gap: 12px 18px;
  }

  .lec-share-group {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .lec-share-btn {
    width: auto;
    flex: 1 1 auto;
    min-width: 140px;
  }

  .lec-modal-actions {
    flex-direction: row;
  }

  .lec-btn-edit,
  .lec-btn-danger {
    width: auto;
  }

  .lec-modal-foot {
    padding: 16px 28px;
  }
}

/* ============================================================
   LG (1024px+) – Desktop
   ============================================================ */
@media (min-width: 1024px) {
  .lec-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 28px;
    align-items: start;
    padding: 24px 0 64px;
  }

  .lec-sidebar {
    position: sticky;
    top: 24px;
    margin-bottom: 0;
  }

  .lec-main {
    padding: 0;
  }

  /* Grid: 3 columnas en desktop */
  .lec-grid,
  .lec-skeleton-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .lec-card:hover {
    transform: translateY(-4px);
  }

  /* Modal: más ancho en desktop */
  .lec-modal-container {
    max-width: 900px;
  }

  .lec-modal-head {
    padding: 20px 32px 16px;
  }

  .lec-modal-body {
    display: grid;
    grid-template-columns: minmax(0, 280px) 1fr;
    gap: 32px;
    padding: 28px 32px;
  }

  .lec-modal-cover-col {
    max-width: 100%;
    margin: 0;
  }

  .lec-modal-cover-actions {
    flex-direction: row;
  }

  .lec-modal-title {
    font-size: 26px;
  }

  .lec-modal-foot {
    padding: 16px 32px;
  }
}

/* ============================================================
   XL (1280px+) – Desktop Grande
   ============================================================ */
@media (min-width: 1280px) {
  .lec-root {
    max-width: 1280px;
    margin: 0 auto;
  }

  .lec-layout {
    padding: 28px 0 80px;
  }

  /* Grid: puede crecer a 4 columnas si hay espacio */
  .lec-grid,
  .lec-skeleton-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  }
}

/* ============================================================
   ACCESIBILIDAD
   ============================================================ */

/* Reducir animaciones si el usuario lo prefiere */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .lec-sidebar {
    transition: none !important;
  }

  .lec-modal-backdrop,
  .lec-modal-container,
  .lec-zoom-backdrop {
    transition: none !important;
  }
}

/* Focus visible mejorado para teclado */
@media (hover: none) {
  /* Dispositivos táctiles: aumentar área de toque */
  .lec-btn,
  .lec-tree-leaf,
  .lec-tree-parent,
  .lec-card,
  .lec-page-btn,
  .lec-share-btn {
    min-height: 44px;
  }

  .lec-modal-close,
  .lec-zoom-close {
    min-width: 44px;
    min-height: 44px;
  }
}

/* Modo oscuro del sistema (opcional, futuro) */
@media (prefers-color-scheme: dark) {
  /* Preparado para implementar tema oscuro en el futuro */
  .lec-root {
    /* --lec-primary: #4a7db8; */
    /* --lec-gray-dark: #E5E5E5; */
    /* etc. */
  }
}

/* Orientación landscape en móviles pequeños */
@media (max-height: 500px) and (orientation: landscape) {
  .lec-modal-container {
    max-height: 100vh;
    max-height: 100dvh;
    border-radius: 0;
  }

  .lec-modal-body {
    display: grid;
    grid-template-columns: minmax(0, 200px) 1fr;
    gap: 20px;
  }
}