/* backend/static/css/nav.css */

/* Versão: 2.6.2 - Anti-Layout Shift & Layout Locking (DNA Edition) */

/* ==========================================================================
   1. NAVEGAÇÃO (Navbar Principal - Grid System)
   ========================================================================== */
.navbar {
  position: relative;
  z-index: 1030;

  width: 100%;

  /* Layout Locking: Altura mínima calculada (Padding + Conteúdo) para evitar CLS */
  min-height: var(--navbar-height);
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--border-color-default);

  background-color: rgb(255 255 255 / 98%);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-dna-sm);

  transition: var(--transition-normal);
}

.navbar .container-fluid {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.5rem;
  align-items: center;

  padding-right: 1.5rem;
  padding-left: 1.5rem;
}

/* ==========================================================================
   MOBILE ARCHITECTURE: SMOOTH FLOW & STACKING
   ========================================================================== */
@media (max-width: 767.98px) {
  .navbar .container-fluid {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    align-items: center;
    justify-content: space-between;
  }

  .navbar-brand {
    order: 1;
  }

  .nav-actions {
    order: 2;
  }

  /* MENU PRINCIPAL: Animação via Max-Height (CSS Accordion) */
  .navbar-collapse {
    /* Otimização de Performance para Animação */
    will-change: height, opacity;

    position: static;

    overflow: hidden;

    /* Estado Fechado */
    display: block;
    order: 3;

    width: 100%;

    /* Necessário para animar */
    max-height: 0;

    /* Reset de espaçamentos para evitar "pulo" na animação */
    margin-top: 0;
    padding-top: 0;
    border-top: none;

    opacity: 0;
    background: transparent;
    box-shadow: none;

    /* A Mágica da Suavidade */
    transition:
      max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
      opacity 0.3s ease-in-out,
      padding 0.3s ease,
      margin 0.3s ease;
  }

  /* Estado Aberto (.show) */
  .navbar-collapse.show {
    overflow-y: auto;

    max-height: 100dvh;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color-default);

    /* Valor alto seguro para permitir scroll interno */
    opacity: 1;

    -webkit-overflow-scrolling: touch;
  }

  .navbar-nav {
    flex-direction: column !important;
    gap: 0.5rem;
    align-items: flex-start !important;

    width: 100%;
    padding-left: 0;

    list-style: none !important;
  }

  /* MEGA MENU NO MOBILE: Transformação em Accordion */
  .mega-menu {
    position: static !important;
    transform: none !important;

    /* Remove float */
    display: none;

    /* Grid vira Coluna Única */
    grid-template-columns: 1fr !important;
    gap: 1.5rem !important;

    /* Escondido por padrão, JS dá toggle block */
    width: 100% !important;
    max-width: 100% !important;
    margin-top: 0.5rem;
    padding: 0 0 0 1rem !important;
    border: none !important;
    border-left: 2px solid var(--border-color-light) !important;

    visibility: visible !important;

    /* Indentação visual */
    opacity: 1 !important;
    background: transparent !important;
    box-shadow: none !important;
  }

  /* Classe auxiliar que o JS adiciona/remove (bootstrap standard) */
  .mega-menu.show {
    display: grid !important;
    animation: mobile-menu-fade-in 0.3s ease-out;
  }

  @keyframes mobile-menu-fade-in {
    from {
      transform: translateY(-5px);
      opacity: 0;
    }

    to {
      transform: translateY(0);
      opacity: 1;
    }
  }

  /* Ajuste dos títulos internos do Mega Menu */
  .menu-col h4 {
    margin-bottom: 0.5rem;
    font-size: 0.7rem;
    color: var(--color-primary-bs);
  }

  .menu-col {
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed var(--border-color-light);
  }

  .menu-col:last-child {
    border-bottom: none;
  }
}

/* ==========================================================================
   DESKTOP (Mantido Intacto com Correção de Zona Morta)
   ========================================================================== */
@media (min-width: 768px) {
  .navbar-toggler {
    display: none !important;
  }

  .navbar-collapse {
    overflow: visible;
    display: flex !important;
    justify-content: center;

    max-height: none;

    opacity: 1;
  }

  .navbar-nav {
    display: flex;
    flex-direction: row;
    gap: 0.25rem;
    align-items: center;

    margin-bottom: 0;
    padding-left: 0;

    list-style: none !important;
  }

  /* Mega Menu Desktop Logic */
  .has-mega-menu {
    position: static !important;
  }

  .nav-item.has-mega-menu::after {
    content: "";

    position: absolute;
    top: 100%;
    left: 0;

    display: none;

    width: 100%;
    height: calc(34px + var(--dashboard-tabs-height, 0px));
  }

  .nav-item.has-mega-menu:hover::after {
    display: block;
  }

  .nav-item.has-mega-menu.is-open::after {
    display: block;
  }

  .mega-menu {
    position: absolute;
    z-index: 1100;
    top: calc(100% + var(--dashboard-tabs-height, 0px));
    left: 50%;
    transform: translateX(-50%) translateY(8px);

    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;

    width: 100%;
    max-width: 1000px;
    padding: 2.5rem;
    border: 1px solid var(--border-color-default);
    border-radius: var(--border-radius-lg);

    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    background: #fff;
    box-shadow: var(--shadow-dna-xl);

    transition:
      opacity 0.3s ease,
      visibility 0.3s,
      transform 0.3s ease;
    transition-delay: 0.32s;
  }

  .nav-item.has-mega-menu:hover .mega-menu {
    transform: translateX(-50%) translateY(8px);
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transition-delay: 0s;
  }

  .nav-item.has-mega-menu.is-open .mega-menu {
    transform: translateX(-50%) translateY(8px);
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transition-delay: 0s;
  }
}

.navbar-brand img {
  display: block;

  /* Logo Stability: caixa fixa sem distorcao */
  width: 118px;
  height: 32px;

  object-fit: contain;

  transition: var(--transition-fast);
}

.nav-link {
  display: flex;
  gap: 0.5rem;
  align-items: center;

  padding: 0.75rem 1rem;
  border-radius: var(--border-radius-md);

  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-default);
  text-decoration: none;
  white-space: nowrap;

  transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary-bs);
  background-color: var(--color-bg-light);
}

.nav-docs-desktop {
  display: none;
}

@media (min-width: 992px) {
  .nav-docs-desktop {
    display: list-item;
  }
}

/* Submenu Colors & Styles */
.menu-col h4 {
  margin-bottom: 1.2rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border-color-light);

  font-size: 0.75rem;
  font-weight: 800;
  color: var(--color-text-headings);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.menu-col a {
  display: block;

  margin: 0 -0.8rem;
  padding: 0.75rem 0.8rem;
  border-radius: 6px;

  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-default);
  text-decoration: none;

  transition: var(--transition-fast);
}

.menu-col a:hover {
  transform: translateX(4px);
  color: var(--color-primary-bs);
  background-color: var(--color-bg-light);
}

/* ==========================================================================
   4. AÇÕES DA NAVBAR & DROPDOWNS
   ========================================================================== */
.nav-actions {
  display: flex;
  flex-shrink: 0;
  gap: 1.25rem;
  align-items: center;
}

.btn-search-trigger {
  cursor: pointer;

  display: flex;
  gap: 10px;
  align-items: center;

  padding: 8px 14px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;

  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-headings);

  background: #f8fafc;

  transition: var(--transition-fast);
}

.btn-search-trigger:hover {
  border-color: var(--color-primary-bs);
  color: var(--color-primary-bs);
  background: #fff;
  box-shadow: 0 2px 4px rgb(0 0 0 / 5%);
}

.btn-settings-gear {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  color: var(--color-text-headings);
  text-decoration: none;
  background: #f8fafc;
  transition: var(--transition-fast);
}

.btn-settings-gear:hover {
  border-color: var(--color-primary-bs);
  color: var(--color-primary-bs);
  background: #fff;
  box-shadow: 0 2px 4px rgb(0 0 0 / 5%);
}

.btn-settings-gear:focus-visible {
  outline: 2px solid var(--color-primary-bs);
  outline-offset: 2px;
}

.kbd {
  margin-left: 4px;
  padding: 2px 6px;
  border: 1px solid #94a3b8;
  border-radius: 4px;

  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-text-default);

  background: #fff;
}

.btn-login {
  display: flex;
  gap: 8px;
  align-items: center;

  padding: 0.75rem;

  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-default);
  text-decoration: none;
  white-space: nowrap;

  transition: var(--transition-fast);
}

.btn-login:hover {
  color: var(--color-primary-bs);
}

.btn-btos-primary.small {
  white-space: nowrap;
}

/* Dropdown System com Proteção de Zona Morta */
.dropdown {
  position: relative;
}

.nav-item.dropdown::after {
  content: "";

  position: absolute;
  top: 100%;
  left: 0;

  width: 100%;
  height: 15px;
}

.dropdown-menu {
  position: absolute;
  z-index: 1100;
  top: calc(100% + var(--dashboard-tabs-height, 0px));
  right: 0;
  transform: translateY(8px);

  display: block;

  min-width: 240px;
  margin-top: 0.75rem;
  padding: 0.6rem;
  border: 1px solid var(--border-color-default);
  border-radius: var(--border-radius-lg);

  list-style: none;

  visibility: hidden;
  opacity: 0;
  background-color: rgb(255 255 255 / 98%);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-dna-lg);

  transition:
    opacity 0.25s ease,
    visibility 0.25s,
    transform 0.25s ease;
  transition-delay: 0.15s;
}

/* Hover no Desktop para Dropdown "Aprenda" */
@media (min-width: 992px) {
  .nav-item.dropdown:hover .dropdown-menu {
    transform: translateY(0);
    visibility: visible;
    opacity: 1;
    transition-delay: 0s;
  }
}

.dropdown-menu.show {
  transform: translateY(0);
  visibility: visible;
  opacity: 1;
}

@media (max-width: 767.98px) {
  .nav-item.dropdown::after {
    display: none;
  }

  .dropdown-menu {
    position: static;
    transform: none;

    display: none;

    width: 100%;
    min-width: 0;
    margin-top: 0.5rem;
    padding: 0 0 0 1rem;
    border: none;
    border-left: 2px solid var(--border-color-light);
    border-radius: 0;

    visibility: visible;
    opacity: 1;
    background: transparent;
    backdrop-filter: none;
    box-shadow: none;

    transition: none;
  }

  .dropdown-menu.show {
    display: block;
  }

  .dropdown-menu-learning .learn-item-role {
    font-size: 0.62rem;
  }
}

.dropdown-item {
  display: block;

  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--border-radius-md);

  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-default);
  text-decoration: none;
  white-space: nowrap;

  transition: var(--transition-fast);
}

.dropdown-item:hover {
  color: var(--color-primary-bs);
  background-color: var(--color-bg-light);
}

.dropdown-menu-learning .learn-item {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  justify-content: space-between;
}

.dropdown-menu-learning .learn-item-title {
  white-space: nowrap;
}

.dropdown-menu-learning .learn-item-role {
  font-size: 0.68rem;
  font-weight: 700;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.dropdown-menu-learning .docs-highlight {
  border: 1px solid #c7d2fe;
  background: #eef2ff;
}

.dropdown-menu-learning .docs-highlight:hover {
  background: #e0e7ff;
}

.dropdown-menu-learning .docs-highlight .learn-item-role {
  color: var(--color-primary-bs);
}

.dropdown-item-logout {
  margin-top: 0.4rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--border-color-light);
  color: var(--color-danger-bs) !important;
}

.dropdown-item-logout:hover {
  color: #be123c !important;
  background-color: #fff1f2 !important;
}

.dropdown-header {
  display: block;

  padding: 0.5rem 1rem;

  font-size: 0.7rem;
  font-weight: 800;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Utilities */
@media (min-width: 576px) {
  .d-sm-inline-flex {
    display: inline-flex !important;
  }
}

@media (min-width: 768px) {
  .d-md-inline {
    display: inline !important;
  }
}

@media (min-width: 992px) {
  .d-lg-flex {
    display: flex !important;
  }
}

@media (max-width: 575.98px) {
  .nav-actions {
    gap: 0.75rem;
  }

  .btn-settings-gear {
    width: 36px;
    height: 36px;
  }

  .btn-login span {
    display: none;
  }
}
    pointer-events: auto;