/*
 * OPB-546 — navbar do Portal: um componente, dois estados.
 *
 * Estas regras viviam em `portal-auth.css`, que so carrega quando
 * `usesPortalVisualLayer` e verdadeiro. Com a barra unica servindo tambem
 * a landing, elas precisam carregar em toda pagina.
 *
 * A geometria e a da barra autenticada, que e a aprovada: 64px de altura,
 * marca de 24px e link de 40px com raio 8px. A barra publica tinha 73px,
 * `position: fixed`, marca de 32px e um espacador dimensionado por JS.
 */

.portal-topbar.navbar-auth {
  position: relative;
  z-index: 1100;
  flex: 0 0 auto;
  /* 72px e a altura que o estado logado ja rendia com o bloco do avatar. Com
     64px a barra encolhia ao deslogar, que era parte do "muda tudo ao logar". */
  min-height: 72px;
  padding: .6rem 0;
  background: color-mix(in oklab, var(--portal-surface), transparent 40%) !important;
  border-bottom: 1px solid color-mix(in oklab, var(--portal-border), transparent 12%);
  box-shadow: 0 10px 30px rgba(14, 28, 15, .08) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* Sem `align-items: center` a linha alinhava pelo topo e os controles
   pareciam fora de eixo: a marca tem 24px, o link 40px e o avatar 51px. */
.portal-topbar .container {
  align-items: center;
  display: flex;
  min-height: 44px;
}

/* `.navbar-auth` em `app.css` e em `theme-light.css` pinta a barra com
   `--navbar-bg` e `!important`, e vence por especificidade. O token era
   literal e nao seguia a familia canonica: no `all-black` dava um cinza
   quase preto diferente da superficie. Aqui a barra volta a ler o token. */
.portal-topbar.navbar-auth,
html.light .portal-topbar.navbar-auth,
html.all-black .portal-topbar.navbar-auth {
  background: color-mix(in oklab, var(--portal-surface), transparent 40%) !important;
  border-bottom: 1px solid color-mix(in oklab, var(--portal-border), transparent 12%);
}

.portal-topbar .navbar-brand,
.portal-topbar .nav-link {
  color: var(--portal-ink) !important;
}

.portal-topbar .navbar-brand {
  justify-self: start;
  font-weight: 750;
  letter-spacing: 0;
  max-width: 100%;
  width: max-content;
}

.portal-topbar .nav-link {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: .92rem;
  font-weight: 650;
  line-height: 1;
  padding: .5rem .72rem !important;
}

.portal-topbar .nav-link:hover,
.portal-topbar .nav-link.active {
  background: color-mix(in oklab, var(--portal-accent), transparent 88%);
  color: var(--portal-accent) !important;
}

html.dark .portal-topbar.navbar-auth,
html.dark-blue .portal-topbar.navbar-auth,
html.all-black .portal-topbar.navbar-auth {
  background: color-mix(in oklab, var(--portal-surface), transparent 25%) !important;
  border-bottom-color: var(--portal-border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .35) !important;
}

html.dark .portal-topbar .nav-link:hover,
html.dark-blue .portal-topbar .nav-link:hover,
html.all-black .portal-topbar .nav-link:hover,
html.dark .portal-topbar .nav-link.active,
html.dark-blue .portal-topbar .nav-link.active,
html.all-black .portal-topbar .nav-link.active {
  background: rgba(255, 255, 255, .08);
  color: var(--portal-ink) !important;
}

html.light .portal-topbar .navbar-toggler {
  border: none;
  color: #063d2b;
  padding: .25rem .5rem;
}

html.light .portal-topbar .navbar-toggler:focus {
  box-shadow: none;
}

html.light .portal-topbar .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2830, 64, 175, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

html.dark .portal-topbar .navbar-toggler,
html.dark-blue .portal-topbar .navbar-toggler,
html.all-black .portal-topbar .navbar-toggler {
  border: none;
  color: var(--portal-ink);
  padding: .25rem .5rem;
}

html.dark .portal-topbar .navbar-toggler:focus,
html.dark-blue .portal-topbar .navbar-toggler:focus,
html.all-black .portal-topbar .navbar-toggler:focus {
  box-shadow: none;
}

html.dark .portal-topbar .navbar-toggler-icon,
html.dark-blue .portal-topbar .navbar-toggler-icon,
html.all-black .portal-topbar .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23ffffff' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

@media (min-width: 992px) {
  .portal-navbar-user .navbar-nav > .dropdown {
    position: relative;
  }

  .portal-navbar-user .navbar-nav > .dropdown::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 10px;
  }

  .portal-navbar-user .dropdown:hover > .dropdown-menu,
  .portal-navbar-user .navbar-nav > .dropdown > .dropdown-menu.show {
    display: block;
    left: 50% !important;
    right: auto !important;
    margin-top: 0;
    animation: studentNavbarDropdownSlideIn .2s cubic-bezier(.4, 0, .2, 1) forwards;
  }

  .portal-navbar-user .dropdown-menu-end,
  .portal-navbar-user .navbar-nav > .dropdown > .dropdown-menu {
    top: 100%;
    left: 50% !important;
    right: auto !important;
    margin-top: 0;
    transform: translateX(-50%) translateY(8px) !important;
  }
}

@keyframes studentNavbarDropdownSlideIn {
  from { opacity: 0; transform: translateX(-50%) translateY(-4px) scale(.98); }
  to { opacity: 1; transform: translateX(-50%) translateY(8px) scale(1); }
}

.portal-navbar-user .dropdown-menu {
  min-width: 180px;
  padding: 6px;
  border: 1px solid var(--portal-border);
  border-radius: 12px;
  background: color-mix(in oklab, var(--portal-surface), transparent 4%);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .22);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.portal-navbar-user .dropdown-menu-user {
  min-width: 230px;
}

.portal-navbar-user .dropdown-item {
  align-items: center;
  border-radius: 8px;
  color: var(--portal-ink);
  display: flex;
  font-size: .85rem;
  font-weight: 500;
  gap: .62rem;
  padding: .55rem .85rem;
  transition: background-color .2s ease, color .2s ease;
}

.portal-user-dropdown-icon {
  align-items: center;
  display: inline-flex;
  flex: 0 0 16px;
  height: 16px;
  justify-content: center;
  margin-right: 0 !important;
  object-fit: contain;
  text-align: center;
  width: 16px;
}

.portal-navbar-user .dropdown-item:hover,
.portal-navbar-user .dropdown-item:focus,
.portal-navbar-user .dropdown-item.active {
  background: color-mix(in oklab, var(--portal-accent), transparent 88%);
  color: var(--portal-ink);
}

.portal-navbar-user .dropdown-menu-library .dropdown-item.active {
  background: transparent;
}

.portal-navbar-user .dropdown-menu-library .dropdown-item i {
  color: var(--portal-muted);
  flex: 0 0 16px;
  font-size: .9rem;
  text-align: center;
}

.portal-navbar-user .library-dropdown-toggle {
  border: 1px solid transparent;
  border-radius: 10px;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease;
}

.portal-navbar-user .library-dropdown-toggle:hover,
.portal-navbar-user .library-dropdown-toggle:focus-visible,
.portal-navbar-user .library-dropdown-toggle.show {
  border-color: var(--portal-border);
  background-color: rgba(127, 127, 127, .08);
}

.portal-navbar-user .dropdown-divider {
  border-color: var(--portal-border);
  opacity: 1;
}

/* Nested Submenu Styles (Ajuda dropdown-submenu) */
.dropdown-submenu {
  position: relative;
}
.dropdown-submenu > .dropdown-item {
  cursor: pointer;
}
.portal-navbar-user .portal-help-menu-trigger {
  justify-content: space-between;
}
.portal-help-menu-label {
  align-items: center;
  display: flex;
  gap: .62rem;
  min-width: 0;
}
.portal-help-menu-caret {
  flex: 0 0 auto;
  font-size: .75rem;
}
.dropdown-submenu a[data-bs-toggle="collapse"] .fa-chevron-down {
  transition: transform .2s ease;
}
.dropdown-submenu a[data-bs-toggle="collapse"][aria-expanded="true"] .fa-chevron-down {
  transform: rotate(180deg);
}
@media (min-width: 992px) {
  .dropdown-submenu .dropdown-menu-submenu {
    display: none;
    position: absolute;
    left: auto !important;
    right: 100% !important;
    top: 0 !important;
    margin-top: 0;
    margin-right: 4px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .22);
    animation: none;
    background: var(--portal-surface);
    border: 1px solid var(--portal-border);
    border-radius: 12px;
    padding: 6px;
  }
  .dropdown-submenu .dropdown-menu-submenu::after {
    content: "";
    position: absolute;
    top: 0;
    right: -5px;
    width: 5px;
    height: 100%;
  }
  .dropdown-submenu:hover .dropdown-menu-submenu {
    display: block;
    animation: studentNavbarDropdownSlideInLeft .2s cubic-bezier(.4, 0, .2, 1) forwards;
  }
  .dropdown-submenu:hover > .dropdown-item {
    background: rgba(127, 127, 127, .08);
  }
}
@keyframes studentNavbarDropdownSlideInLeft {
  from { opacity: 0; transform: translateX(4px) scale(.98); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}

.portal-navbar-user .user-dropdown-toggle {
  cursor: pointer;
  gap: .7rem;
  min-height: 48px;
  padding: .4rem .7rem !important;
  border: 1px solid transparent;
  border-radius: 12px;
  text-decoration: none;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease;
}

.portal-navbar-user .user-dropdown-toggle::after {
  display: none;
}

.portal-navbar-user .user-dropdown-toggle:hover,
.portal-navbar-user .user-dropdown-toggle:focus-visible,
.portal-navbar-user .user-dropdown-toggle.show {
  border-color: var(--portal-border);
  background-color: rgba(127, 127, 127, .08);
}

/* Avatar do usuário — componente oficial, mesma especificação do Terminal e
   do Diário. Quem não tem foto recebe a inicial do nome sobre o verde da
   marca, nunca um ícone genérico. O placeholder é markup: sem requisição
   HTTP, herda o tema e escala em qualquer tamanho.

   Fundo e tinta leem `--portal-brand` e `--portal-brand-ink`, que resolvem
   por tema. Literal aqui congelaria um dos temas e quebraria o contraste no
   outro. Reusar `--portal-accent` não serve: no `all-black` ele é #daebda e o
   círculo sairia branco.

   A foto entra sobreposta ao círculo no mesmo wrapper. Se falhar,
   `avatar-fallback.js` apenas a esconde. Sem `onerror` inline, que a CSP
   bloqueia. */
.opb-avatar {
  position: relative;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  box-sizing: border-box;
  overflow: hidden;
  border-radius: 50%;
  border: 1px solid var(--portal-border);
  background: var(--portal-brand);
  color: var(--portal-brand-ink);
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
  user-select: none;
}

.opb-avatar-initial {
  grid-area: 1 / 1;
  display: block;
  font-size: 1em;
}

.opb-avatar-image {
  grid-area: 1 / 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.opb-avatar-image[hidden],
.opb-avatar-image.is-hidden {
  display: none;
}

.opb-avatar--sm { width: 28px; height: 28px; font-size: 11.76px; }
.opb-avatar--md { width: 36px; height: 36px; font-size: 15.12px; }
.opb-avatar--lg { width: 48px; height: 48px; font-size: 20.16px; }
.opb-avatar--xl { width: 96px; height: 96px; font-size: 40.32px; }

/* Geometria e forma vivem no `.opb-avatar--md`; aqui só o posicionamento. */
.nav-avatar {
  flex: 0 0 36px;
}

.user-nav-info {
  display: flex;
  min-width: 0;
  max-width: 170px;
  flex-direction: column;
  align-items: flex-start;
}

.user-nav-name {
  max-width: 100%;
  overflow: hidden;
  color: var(--portal-ink);
  font-size: .9rem;
  font-weight: 700;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-nav-tier {
  margin-top: .1rem;
  color: var(--portal-navbar-tier-color);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .05em;
  line-height: 1.2;
  text-transform: uppercase;
}

.tier-upgrade-shimmer {
  display: inline-block;
  background: linear-gradient(90deg, var(--portal-navbar-shimmer-base) 0%, var(--portal-navbar-shimmer-mid) 25%, var(--portal-navbar-shimmer-light) 50%, var(--portal-navbar-shimmer-mid) 75%, var(--portal-navbar-shimmer-base) 100%);
  background-size: 200% auto;
  background-clip: text;
  color: var(--portal-navbar-shimmer-mid);
  font-weight: 800;
  animation: studentNavbarTierShimmer 2.2s linear infinite;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

@keyframes studentNavbarTierShimmer { to { background-position: 200% center; } }

.user-nav-caret {
  margin-left: .15rem;
  color: var(--portal-muted);
  font-size: .65rem;
  transition: transform .25s ease, color .25s ease;
}

.user-dropdown-toggle.show .user-nav-caret {
  color: var(--portal-ink);
  transform: rotate(180deg);
}

.dropdown-upgrade-container {
  padding: .25rem .5rem .5rem;
}

/* Portado do Terminal (`src/Views/layouts/app.php`), regra por regra: o botao
   precisa ser o mesmo elemento nos dois produtos. `z-index: 0` abre contexto
   proprio para a varredura, que com `z-index: -1` pinta acima do gradiente e
   abaixo do texto, sem embrulhar o rotulo. */
.navbar-upgrade-action {
  position: relative;
  z-index: 0;
  display: flex;
  min-height: 42px;
  width: 100%;
  overflow: hidden;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--upgrade-cta-border);
  border-radius: 10px;
  background: linear-gradient(135deg, var(--upgrade-cta-from), var(--upgrade-cta-to));
  box-shadow: 0 6px 18px var(--upgrade-cta-glow), inset 0 1px 0 rgba(255, 255, 255, .28);
  color: var(--upgrade-cta-ink) !important;
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .02em;
  text-align: center;
  text-decoration: none;
  transition: box-shadow .2s ease, transform .2s ease, filter .2s ease;
}

.navbar-upgrade-action::after {
  content: '';
  position: absolute;
  z-index: -1;
  top: 0;
  left: -60%;
  width: 45%;
  height: 100%;
  background: linear-gradient(100deg, transparent 0%, var(--upgrade-cta-sheen) 50%, transparent 100%);
  animation: navbarUpgradeSheen 4s ease-in-out infinite;
  pointer-events: none;
}

@keyframes navbarUpgradeSheen {
  0% { transform: translateX(0); }
  35% { transform: translateX(360%); }
  100% { transform: translateX(360%); }
}

.navbar-upgrade-action:hover,
.navbar-upgrade-action:focus-visible {
  box-shadow: 0 8px 24px var(--upgrade-cta-glow-strong), inset 0 1px 0 rgba(255, 255, 255, .35);
  filter: brightness(1.06);
  transform: translateY(-1px);
}

.navbar-upgrade-action.is-plus {
  border-color: var(--portal-border);
  background: transparent;
  box-shadow: none;
  color: var(--portal-ink) !important;
  font-size: .78rem;
  font-weight: 600;
}

.navbar-upgrade-action.is-plus::after { content: none; }

.navbar-upgrade-action.is-plus:hover,
.navbar-upgrade-action.is-plus:focus-visible {
  border-color: var(--portal-muted);
  background: rgba(127, 127, 127, .08);
  box-shadow: none;
  filter: none;
}

.mobile-user-summary {
  min-width: 0;
}

.mobile-user-summary .user-nav-info {
  max-width: 210px;
}

.user-mobile-avatar {
  margin-right: 1rem;
}

.mobile-user-email {
  max-width: 210px;
  overflow: hidden;
  font-size: .75rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mobile-upgrade-action {
  min-height: 44px;
  margin-bottom: 1rem;
}

@media (prefers-reduced-motion: reduce) {
  .tier-upgrade-shimmer { animation: none; }
  .portal-navbar-user .dropdown-menu { animation: none !important; }
  .user-nav-caret,
  .navbar-upgrade-action { transition: none; }
  .navbar-upgrade-action::after { animation: none; opacity: 0; }
}

@media (max-width: 575.98px) {
  .portal-topbar.navbar-auth {
    min-height: 60px;
    padding: .5rem 0;
  }

  .portal-topbar .container,
  .portal-topbar .navbar-brand,
  .portal-topbar .navbar-toggler {
    display: flex;
    align-items: center;
  }

  .portal-topbar .navbar-toggler {
    padding: .35rem .55rem;
  }
}

.portal-icon-btn {
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  box-sizing: border-box;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--portal-ink);
  display: inline-grid;
  line-height: 1;
  place-items: center;
  transform: none;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease;
}

.portal-icon-btn:hover,
.portal-icon-btn:focus-visible {
  border-color: var(--portal-border);
  background-color: rgba(127, 127, 127, .08);
  transform: none;
}

.portal-icon-btn:focus,
.portal-icon-btn:focus-visible,
.portal-icon-btn:active {
  box-shadow: none !important;
  outline: none !important;
}

/* Acoes do estado deslogado. A barra publica antiga misturava tres alturas
   (link 42px, alternador 36px, botao 30px), dois raios (10px e 8px) e duas
   escalas de fonte (16px e 12,48px). Aqui o botao acompanha o alternador em
   36px e a tipografia do link de nav. */
.portal-topbar .portal-nav-btn {
  align-items: center;
  border-radius: 8px;
  display: inline-flex;
  font-size: .92rem;
  font-weight: 650;
  justify-content: center;
  line-height: 1;
  min-height: 36px;
  padding: .5rem .9rem;
  white-space: nowrap;
}

.portal-topbar .portal-nav-actions {
  gap: 0;
}

/* Na gaveta o par de acoes ocupa a largura toda: alvo maior no toque e
   hierarquia explicita, com "Criar conta" acima de "Entrar". */
.mobile-public-actions .btn {
  min-height: 44px;
  font-weight: 650;
}

/* Links centrados na pagina, nao entre a marca e as acoes. Com flex, o
   `mx-auto` centra dentro do colapso, que comeca depois da marca, entao o
   grupo nascia deslocado para a direita. As colunas laterais simetricas
   resolvem; `display: contents` promove os filhos do colapso a itens da
   grade. So no desktop: no mobile o menu e a gaveta. */
@media (min-width: 992px) {
  .portal-topbar .container {
    align-items: center;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  }
  /* `!important` porque `.d-lg-flex` do Bootstrap tambem usa: sem isso o
     colapso continua sendo um item unico da grade e os links ficam presos
     a esquerda dele, 129px fora do centro da pagina. */
  .portal-topbar .navbar-collapse { display: contents !important; }
  /* `mx-auto` do Bootstrap continua absorvendo folga dentro da coluna e
     deixava o grupo 129px a esquerda do centro da pagina. A coluna do meio
     ja e simetrica, entao basta o grupo ocupar a coluna e centrar dentro. */
  .portal-topbar .portal-nav-primary {
    justify-self: stretch;
    justify-content: center;
    margin: 0 !important;
  }
  .portal-topbar .portal-nav-actions { justify-self: end; }
}