/* ==========================================================================
   Forprocer LMS - Layout
   App layout con CSS Grid, sidebar, navbar y responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   App Layout: CSS Grid (sidebar + contenido)
   -------------------------------------------------------------------------- */
.app-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-rows: var(--navbar-height) 1fr;
  grid-template-areas:
    "sidebar navbar"
    "sidebar content";
  min-height: 100vh;
  transition: grid-template-columns var(--transition-base);
}

/* --------------------------------------------------------------------------
   Sidebar
   -------------------------------------------------------------------------- */
.sidebar {
  grid-area: sidebar;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: linear-gradient(
    175deg,
    rgba(30, 90, 86, 0.97) 0%,
    var(--glass-bg-sidebar) 40%,
    rgba(44, 120, 114, 0.96) 100%
  );
  color: var(--color-white);
  z-index: var(--z-sidebar);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  transition: width 0.28s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.28s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.28s ease;
}

/* Subtle grid texture */
.sidebar::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
}

/* Top glow */
.sidebar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 140px;
  background: radial-gradient(
    ellipse at 50% -20%,
    rgba(60, 170, 170, 0.15) 0%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 1;
}

/* --------------------------------------------------------------------------
   Sidebar — Header
   -------------------------------------------------------------------------- */
.sidebar__header {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-4);
  height: var(--navbar-height);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}

.sidebar__logo-link {
  display: flex;
  align-items: center;
  transition: opacity 0.15s ease;
}

.sidebar__logo-link:hover {
  opacity: 0.85;
}

.sidebar__logo--full {
  height: 40px;
  width: auto;
}

.sidebar__logo--icon {
  height: 14px;
  width: auto;
  display: none;
}

/* --------------------------------------------------------------------------
   Sidebar — Nav
   -------------------------------------------------------------------------- */
.sidebar__nav {
  flex: 1;
  padding: var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 2px;
  position: relative;
  z-index: 2;
}

.sidebar__section-title {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: rgba(255, 255, 255, 0.35);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-4) var(--space-3) var(--space-2);
  white-space: nowrap;
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   Sidebar — Items
   -------------------------------------------------------------------------- */
.sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  min-height: 40px;
  position: relative;
  transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.sidebar-item:hover {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.95);
  text-decoration: none;
}

.sidebar-item.is-active {
  background: rgba(var(--color-primary-light-rgb), 0.15);
  color: var(--color-primary-light);
}

.sidebar-item__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  opacity: 0.7;
  transition: opacity 0.15s ease;
}

.sidebar-item:hover .sidebar-item__icon {
  opacity: 0.9;
}

.sidebar-item.is-active .sidebar-item__icon {
  opacity: 1;
}

.sidebar-item__text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 180px;
  transition: opacity 0.2s ease, max-width 0.2s ease;
}

.sidebar-item__badge {
  margin-left: auto;
  background: rgba(var(--color-primary-light-rgb), 0.25);
  color: var(--color-primary-light);
  font-size: var(--text-xs);
  padding: 1px 8px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Sidebar — Footer
   -------------------------------------------------------------------------- */
.sidebar__footer {
  padding: var(--space-3);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar__toggle {
  display: none;
}

/* Credit badge */
.sidebar__credit {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3) 0 var(--space-1);
  margin-top: var(--space-2);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar__credit-text {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.3);
  white-space: nowrap;
}

.sidebar__credit-link {
  display: flex;
  opacity: 0.35;
  transition: opacity 0.15s ease;
}

.sidebar__credit-link:hover {
  opacity: 0.6;
}

.sidebar__credit-logo {
  height: 32px;
  width: auto;
  filter: brightness(0) invert(1);
}

/* Collapsed: hide credit text, shrink logo */
.sidebar.is-collapsed .sidebar__credit-text {
  display: none;
}

.sidebar.is-collapsed .sidebar__credit-logo {
  height: 32px;
}

/* Collapsed hover: restore */
.sidebar.is-collapsed:hover .sidebar__credit-text {
  display: inline;
}

.sidebar.is-collapsed:hover .sidebar__credit-logo {
  height: 64px;
}

/* ==========================================================================
   COLLAPSED STATE
   ========================================================================== */
.sidebar.is-collapsed {
  width: var(--sidebar-width-collapsed);
}

.sidebar-collapsed.app-layout {
  grid-template-columns: var(--sidebar-width-collapsed) 1fr;
}

/* --- Collapsed: header --- */
.sidebar.is-collapsed .sidebar__header {
  padding: 0;
}

.sidebar.is-collapsed .sidebar__logo--full { display: none; }
.sidebar.is-collapsed .sidebar__logo--icon { display: block; }

/* --- Collapsed: nav --- */
.sidebar.is-collapsed .sidebar__nav {
  padding: var(--space-3) 0;
  align-items: center;
}

/* --- Collapsed: items (icon-only, centered) --- */
.sidebar.is-collapsed .sidebar-item {
  justify-content: center;
  padding: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
}

/* --- Collapsed: hide text --- */
.sidebar.is-collapsed .sidebar-item__text,
.sidebar.is-collapsed .sidebar-item__badge,
.sidebar.is-collapsed .sidebar__brand,
.sidebar.is-collapsed .sidebar__section-title {
  display: none;
}

/* --- Collapsed: footer --- */
.sidebar.is-collapsed .sidebar__footer {
  padding: var(--space-3) 0;
  align-items: center;
}

.sidebar.is-collapsed .sidebar__footer .sidebar-item {
  justify-content: center;
  padding: 0;
  width: 40px;
  height: 40px;
}

/* ==========================================================================
   HOVER EXPAND — collapsed sidebar re-expands on hover
   ========================================================================== */
.sidebar.is-collapsed:hover {
  width: var(--sidebar-width);
  box-shadow: 6px 0 32px rgba(0, 0, 0, 0.18);
}

/* Restore header */
.sidebar.is-collapsed:hover .sidebar__header {
  padding: 0 var(--space-4);
}

.sidebar.is-collapsed:hover .sidebar__logo--full { display: block; }
.sidebar.is-collapsed:hover .sidebar__logo--icon { display: none; }

/* Restore text */
.sidebar.is-collapsed:hover .sidebar-item__text,
.sidebar.is-collapsed:hover .sidebar-item__badge,
.sidebar.is-collapsed:hover .sidebar__brand,
.sidebar.is-collapsed:hover .sidebar__section-title {
  display: inline;
}

/* Restore nav layout */
.sidebar.is-collapsed:hover .sidebar__nav {
  padding: var(--space-4) var(--space-3);
  align-items: stretch;
}

/* Restore items */
.sidebar.is-collapsed:hover .sidebar-item {
  justify-content: flex-start;
  padding: var(--space-2) var(--space-3);
  width: auto;
  height: auto;
  border-radius: var(--radius-lg);
}

/* Restore footer */
.sidebar.is-collapsed:hover .sidebar__footer {
  padding: var(--space-3);
  align-items: stretch;
}

.sidebar.is-collapsed:hover .sidebar__footer .sidebar-item {
  width: auto;
  height: auto;
}

/* --------------------------------------------------------------------------
   Navbar (barra superior)
   -------------------------------------------------------------------------- */
.navbar {
  grid-area: navbar;
  position: sticky;
  top: 0;
  height: var(--navbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  background: var(--glass-bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 2px solid rgba(var(--color-primary-rgb), 0.15);
  z-index: var(--z-sticky);
  gap: var(--space-4);
}

.navbar__left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.navbar__title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-gray-900);
}

.navbar__breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

.navbar__breadcrumb a {
  color: var(--color-gray-500);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.navbar__breadcrumb a:hover {
  color: var(--color-primary);
}

.navbar__breadcrumb-sep {
  color: var(--color-gray-300);
}

.navbar__right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Boton hamburguesa (solo visible en responsive) */
.navbar__hamburger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-gray-600);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.navbar__hamburger:hover {
  background: var(--color-gray-100);
}

.navbar__hamburger svg {
  width: 24px;
  height: 24px;
}

/* --------------------------------------------------------------------------
   Navbar User (info de usuario en la barra)
   -------------------------------------------------------------------------- */
.navbar-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.navbar-user:hover {
  background: var(--color-gray-100);
}

.navbar-user__info {
  text-align: right;
  line-height: 1.3;
}

.navbar-user__name {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-gray-800);
  display: block;
}

.navbar-user__role {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  display: block;
}

/* --------------------------------------------------------------------------
   Animacion de entrada global (fadeUp)
   -------------------------------------------------------------------------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.main-content > *:first-child { animation: fadeUp 0.35s ease both; }
.main-content > *:nth-child(2) { animation: fadeUp 0.35s ease 0.08s both; }
.main-content > *:nth-child(3) { animation: fadeUp 0.35s ease 0.16s both; }

/* --------------------------------------------------------------------------
   Contenido principal
   -------------------------------------------------------------------------- */
.main-content {
  grid-area: content;
  padding: var(--space-6);
  min-width: 0;
  max-width: 100%;
}

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

/* Cabecera de pagina */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.main-content h1,
.page-header__title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  background: linear-gradient(90deg, var(--color-primary-dark), var(--color-primary-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-header__subtitle {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-top: var(--space-1);
}

.page-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* --------------------------------------------------------------------------
   Overlay del sidebar en movil
   -------------------------------------------------------------------------- */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-sidebar) - 1);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.sidebar-overlay.is-visible {
  display: block;
  opacity: 1;
}

/* --------------------------------------------------------------------------
   Responsive: Tablet (sidebar colapsada, solo iconos)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  /* Tablet: always collapsed, expand on hover */
  .app-layout {
    grid-template-columns: var(--sidebar-width-collapsed) 1fr;
  }

  .sidebar {
    width: var(--sidebar-width-collapsed);
  }

  .sidebar__logo--full { display: none; }
  .sidebar__logo--icon { display: block; }
  .sidebar__toggle { display: none; }
  .sidebar__header { padding: 0; }

  .sidebar__brand,
  .sidebar__section-title,
  .sidebar-item__text,
  .sidebar-item__badge {
    display: none;
  }

  .sidebar__nav { padding: var(--space-3) 0; align-items: center; }

  .sidebar-item {
    justify-content: center;
    padding: 0;
    width: 40px; height: 40px;
    border-radius: var(--radius-md);
  }

  .sidebar__footer { padding: var(--space-3) 0; align-items: center; }

  .sidebar__footer .sidebar-item {
    justify-content: center;
    padding: 0;
    width: 40px; height: 40px;
  }

  /* Hover expand (same pattern as desktop collapsed) */
  .sidebar:hover {
    width: var(--sidebar-width);
    box-shadow: 6px 0 32px rgba(0, 0, 0, 0.18);
  }

  .sidebar:hover .sidebar__logo--full { display: block; }
  .sidebar:hover .sidebar__logo--icon { display: none; }
  .sidebar:hover .sidebar__header { padding: 0 var(--space-4); }

  .sidebar:hover .sidebar__brand,
  .sidebar:hover .sidebar__section-title,
  .sidebar:hover .sidebar-item__text,
  .sidebar:hover .sidebar-item__badge {
    display: inline;
  }

  .sidebar:hover .sidebar__nav {
    padding: var(--space-4) var(--space-3);
    align-items: stretch;
  }

  .sidebar:hover .sidebar-item {
    justify-content: flex-start;
    padding: var(--space-2) var(--space-3);
    width: auto; height: auto;
    border-radius: var(--radius-lg);
  }

  .sidebar:hover .sidebar__footer {
    padding: var(--space-3);
    align-items: stretch;
  }

  .sidebar:hover .sidebar__footer .sidebar-item {
    width: auto; height: auto;
  }
}

/* --------------------------------------------------------------------------
   Responsive: Movil (sidebar oculta con hamburguesa)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .app-layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "navbar"
      "content";
  }

  /* Sidebar oculta por defecto en movil */
  .sidebar {
    width: var(--sidebar-width);
    transform: translateX(-100%);
  }

  /* Mobile: always fully expanded when visible */
  .sidebar .sidebar__logo--full { display: block; }
  .sidebar .sidebar__logo--icon { display: none; }
  .sidebar .sidebar__toggle { display: none; }

  .sidebar .sidebar__brand,
  .sidebar .sidebar__section-title,
  .sidebar .sidebar-item__text,
  .sidebar .sidebar-item__badge {
    display: inline;
  }

  .sidebar .sidebar__header { padding: 0 var(--space-4); }
  .sidebar .sidebar__nav { padding: var(--space-4) var(--space-3); align-items: stretch; }

  .sidebar .sidebar-item {
    justify-content: flex-start;
    padding: var(--space-2) var(--space-3);
    width: auto; height: auto;
    border-radius: var(--radius-lg);
  }

  .sidebar .sidebar__footer { padding: var(--space-3); align-items: stretch; }
  .sidebar .sidebar__footer .sidebar-item { width: auto; height: auto; }

  /* Sidebar visible cuando se activa */
  .sidebar.is-open {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.3);
  }

  /* Mostrar boton hamburguesa */
  .navbar__hamburger {
    display: flex;
  }

  /* Navbar ajustes */
  .navbar {
    padding: 0 var(--space-4);
  }

  .navbar-user__info {
    display: none;
  }

  /* Contenido */
  .main-content {
    padding: var(--space-4);
  }

  /* Formularios a ancho completo */
  .form-group {
    width: 100%;
  }

  .form-row {
    flex-direction: column;
  }

  .form-row > * {
    width: 100% !important;
  }

  /* Touch targets minimo 44px */
  .btn {
    min-height: 44px;
  }

  .btn-sm {
    min-height: 44px;
  }

  .sidebar-item {
    min-height: 44px;
  }

  .dropdown__item {
    min-height: 44px;
  }

  .tabla-paginacion__btn {
    width: 44px;
    height: 44px;
  }

  /* Page header vertical en movil */
  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-header__actions {
    width: 100%;
  }

  .page-header__actions .btn {
    flex: 1;
  }

  /* Toast container mas angosto */
  .toast-container {
    right: var(--space-3);
    left: var(--space-3);
    max-width: none;
  }

  /* Modal a ancho completo en movil */
  .modal {
    max-width: none;
    margin: var(--space-4);
    max-height: calc(100vh - var(--space-8));
  }

  .modal-overlay {
    padding: 0;
    align-items: flex-end;
  }

  .modal {
    border-radius: var(--glass-radius) var(--glass-radius) 0 0;
    margin: 0;
    max-height: 90vh;
  }
}

/* --------------------------------------------------------------------------
   Responsive: Movil pequeno
   -------------------------------------------------------------------------- */
@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  .main-content {
    padding: var(--space-3);
  }

  .glass-card {
    padding: var(--space-4);
    border-radius: var(--glass-radius-sm);
  }

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

/* --------------------------------------------------------------------------
   Utilidades de layout
   -------------------------------------------------------------------------- */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

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

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }

.grid {
  display: grid;
}

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

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grid-cols-4,
  .grid-cols-3,
  .grid-cols-2 {
    grid-template-columns: 1fr;
  }
}

/* Form row (inline fields) */
.form-row {
  display: flex;
  gap: var(--space-4);
}

.form-row > * {
  flex: 1;
}