/* ==========================================================================
   Central de Ajuda Intellaris - Estilos Otimizados
   ========================================================================== */

/* --------------------------------------------------------------------------
   Variaveis CSS
   -------------------------------------------------------------------------- */
:root {
  /* Cores principais - Tema Intellaris */
  --primary-color: #1E3A8A;
  --primary-dark: #152e6e;
  --primary-light: #3B82F6;
  --primary-lighter: #DBEAFE;
  --primary-50: #EFF6FF;

  /* Cores secundarias */
  --secondary-color: #7C3AED;
  --secondary-light: #A78BFA;
  --secondary-lighter: #EDE9FE;

  /* Cores neutras */
  --text-primary: #111827;
  --text-secondary: #374151;
  --text-muted: #6B7280;
  --text-light: #9CA3AF;
  --border-color: #E5E7EB;
  --border-light: #F3F4F6;
  --bg-light: #F9FAFB;
  --bg-white: #FFFFFF;

  /* Cores de status */
  --success-color: #059669;
  --success-light: #D1FAE5;
  --warning-color: #D97706;
  --warning-light: #FEF3C7;
  --error-color: #DC2626;
  --error-light: #FEE2E2;
  --info-color: #2563EB;
  --info-light: #DBEAFE;

  /* Tipografia */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;

  /* Espacamentos */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Bordas */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;

  /* Sombras */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

  /* Layout */
  --sidebar-width: 280px;
  --header-height: 64px;
  --max-content-width: 900px;

  /* Transicoes */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
}

/* --------------------------------------------------------------------------
   Reset e Base
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-light);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* --------------------------------------------------------------------------
   Icones Lucide
   -------------------------------------------------------------------------- */
.lucide {
  width: 1em;
  height: 1em;
  stroke-width: 2;
  vertical-align: middle;
}

/* --------------------------------------------------------------------------
   Header - Modern Glassmorphism
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: linear-gradient(135deg,
    rgba(59, 130, 246, 0.95) 0%,
    rgba(30, 58, 138, 0.9) 50%,
    rgba(21, 46, 110, 0.95) 100%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  color: var(--bg-white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-xl);
  z-index: 1000;
  box-shadow:
    0 4px 30px rgba(0, 0, 0, 0.1),
    0 1px 0 rgba(255, 255, 255, 0.1) inset;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Header compacto ao rolar */
.header.scrolled {
  height: 52px;
  background: linear-gradient(135deg,
    rgba(30, 58, 138, 0.98) 0%,
    rgba(21, 46, 110, 0.98) 100%);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.15),
    0 1px 0 rgba(255, 255, 255, 0.05) inset;
}

.header.scrolled .header-logo-img {
  height: 26px;
}

.header.scrolled .header-logo-text span {
  font-size: 0.65rem;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header-logo a {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--bg-white);
  text-decoration: none;
}

.header-logo-img {
  height: 32px;
  width: auto;
}

.header-logo-text {
  display: flex;
  flex-direction: column;
}

.header-logo h1 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.header-logo span {
  font-size: var(--font-size-xs);
  opacity: 0.8;
  font-weight: 400;
  letter-spacing: 0.025em;
}

/* Busca no Header - Expansível */
.header-search {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin: 0 var(--spacing-lg);
}

.search-container {
  position: relative;
  display: flex;
  align-items: center;
}

/* Botão de toggle da busca */
.search-toggle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: linear-gradient(135deg,
    rgba(255, 255, 255, 0.12) 0%,
    rgba(255, 255, 255, 0.05) 100%);
  color: rgba(255, 255, 255, 0.8);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.search-toggle:hover {
  background: linear-gradient(135deg,
    rgba(255, 255, 255, 0.2) 0%,
    rgba(255, 255, 255, 0.1) 100%);
  border-color: rgba(255, 255, 255, 0.25);
  transform: scale(1.05);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.search-toggle .lucide {
  width: 20px;
  height: 20px;
  transition: transform 0.3s ease;
}

.search-toggle.active {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
}

.search-toggle.active .lucide {
  transform: rotate(90deg);
}

/* Container expansível */
.search-expandable {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  opacity: 0;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.3s ease;
  pointer-events: none;
}

.search-expandable.expanded {
  width: 420px;
  opacity: 1;
  pointer-events: all;
}

.search-expandable .search-container {
  position: relative;
  width: 100%;
}

.search-input {
  width: 100%;
  padding: 0.875rem 1.25rem;
  padding-left: 3rem;
  padding-right: 2.5rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  background: linear-gradient(135deg,
    rgba(255, 255, 255, 0.15) 0%,
    rgba(255, 255, 255, 0.08) 100%);
  color: var(--bg-white);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow:
    0 4px 24px rgba(0, 0, 0, 0.1),
    0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

.search-input::placeholder {
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.3s ease;
}

.search-input:focus {
  outline: none;
  background: linear-gradient(135deg,
    rgba(255, 255, 255, 0.22) 0%,
    rgba(255, 255, 255, 0.12) 100%);
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow:
    0 0 0 4px rgba(255, 255, 255, 0.08),
    0 8px 32px rgba(0, 0, 0, 0.15),
    0 1px 0 rgba(255, 255, 255, 0.15) inset;
}

.search-input:focus::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255, 255, 255, 0.5);
  width: 18px;
  height: 18px;
  pointer-events: none;
  transition: all 0.3s ease;
}

.search-input:focus ~ .search-icon,
.search-expandable:focus-within .search-icon {
  color: rgba(255, 255, 255, 0.9);
}

/* Botão de fechar busca */
.search-close {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all 0.3s ease;
}

.search-expandable.expanded .search-close {
  opacity: 1;
}

.search-close:hover {
  background: rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.9);
}

.search-close .lucide {
  width: 14px;
  height: 14px;
}

/* Atalho de teclado */
.search-shortcut {
  position: absolute;
  right: 3rem;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 2px;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.search-expandable.expanded .search-shortcut {
  opacity: 0.5;
}

.search-input:focus ~ .search-shortcut {
  opacity: 0;
}

.search-shortcut kbd {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 11px;
  font-family: inherit;
  color: rgba(255, 255, 255, 0.7);
}

/* Resultados da busca - Modern */
.search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: linear-gradient(180deg,
    rgba(255, 255, 255, 0.99) 0%,
    rgba(255, 255, 255, 0.97) 100%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 16px;
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.18),
    0 8px 24px rgba(0, 0, 0, 0.12),
    0 0 0 1px rgba(255, 255, 255, 0.8) inset;
  max-height: 400px;
  overflow-y: auto;
  display: none;
  z-index: 9999;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.header-search .search-results {
  min-width: 420px;
}

.search-results.active {
  display: block;
  animation: searchResultsIn 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes searchResultsIn {
  from {
    opacity: 0;
    transform: translateY(-12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Sugestões de busca em tempo real */
.search-suggestions {
  padding: var(--spacing-md);
  background: linear-gradient(135deg,
    rgba(59, 130, 246, 0.04) 0%,
    rgba(30, 58, 138, 0.02) 100%);
}

/* Highlight de busca */
.search-results .highlight {
  background: linear-gradient(135deg, #fef08a 0%, #fde047 100%);
  color: var(--text-primary);
  padding: 1px 4px;
  border-radius: 3px;
  font-weight: 600;
}

/* Header dos resultados */
.search-results-header {
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-light);
}

.search-results-count {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.search-results-count strong {
  color: var(--primary-color);
}

.search-suggestions-title {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: var(--spacing-xs);
}

.search-suggestions-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.search-suggestion-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.search-suggestion-tag:hover {
  background: var(--primary-lighter);
  border-color: var(--primary-light);
  color: var(--primary-color);
  transform: translateY(-1px);
}

.search-suggestion-tag .lucide {
  width: 12px;
  height: 12px;
  opacity: 0.6;
}

.search-result-item {
  display: flex;
  flex-direction: column;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  position: relative;
}

.search-result-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--primary-color);
  transform: scaleY(0);
  transition: transform 0.2s ease;
}

.search-result-item:hover,
.search-result-item:focus {
  background: linear-gradient(90deg,
    rgba(59, 130, 246, 0.06) 0%,
    rgba(59, 130, 246, 0.02) 100%);
  outline: none;
}

.search-result-item:hover::before,
.search-result-item:focus::before {
  transform: scaleY(1);
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-title {
  color: var(--primary-color);
  font-weight: 600;
  font-size: var(--font-size-sm);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.search-result-title .lucide {
  width: 16px;
  height: 16px;
  opacity: 0.7;
}

.search-result-excerpt {
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.search-result-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.search-result-category {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: linear-gradient(135deg,
    var(--primary-lighter) 0%,
    rgba(219, 234, 254, 0.7) 100%);
  color: var(--primary-color);
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.search-no-results {
  padding: var(--spacing-2xl);
  text-align: center;
  color: var(--text-muted);
}

.search-no-results-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--spacing-md);
  color: var(--border-color);
}

.search-no-results-text {
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
}

.search-no-results-hint {
  font-size: var(--font-size-xs);
  color: var(--text-light);
}

/* Menu mobile */
.menu-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--bg-white);
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.menu-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
}

.menu-toggle .lucide {
  width: 24px;
  height: 24px;
}

/* --------------------------------------------------------------------------
   Sidebar
   -------------------------------------------------------------------------- */
.sidebar {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: var(--sidebar-width);
  height: calc(100vh - var(--header-height));
  background: var(--bg-white);
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
  z-index: 100;
  transition: transform var(--transition-slow);
}

.sidebar-nav {
  padding: var(--spacing-lg);
}

.nav-section {
  margin-bottom: var(--spacing-xl);
}

.nav-section-title {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-light);
  margin-bottom: var(--spacing-sm);
  padding: 0 var(--spacing-sm);
}

.nav-list {
  list-style: none;
}

.nav-item {
  margin-bottom: 2px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 450;
  transition: all var(--transition-fast);
  text-decoration: none;
}

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

.nav-link.active {
  background: var(--primary-lighter);
  color: var(--primary-color);
  font-weight: 500;
}

.nav-link-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.7;
}

.nav-link:hover .nav-link-icon,
.nav-link.active .nav-link-icon {
  opacity: 1;
}

/* Submenu */
.nav-submenu {
  list-style: none;
  margin-left: 1.75rem;
  margin-top: var(--spacing-xs);
  display: none;
  padding-left: var(--spacing-sm);
  border-left: 1px solid var(--border-color);
}

.nav-submenu.expanded {
  display: block;
}

.nav-submenu .nav-link {
  font-size: var(--font-size-xs);
  padding: 0.375rem 0.75rem;
  color: var(--text-muted);
}

.nav-submenu .nav-link:hover,
.nav-submenu .nav-link.active {
  color: var(--primary-color);
  background: transparent;
}

.nav-toggle {
  margin-left: auto;
  width: 16px;
  height: 16px;
  transition: transform var(--transition-base);
  opacity: 0.5;
}

.nav-toggle.expanded {
  transform: rotate(180deg);
}

/* --------------------------------------------------------------------------
   Conteudo Principal
   -------------------------------------------------------------------------- */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  margin-top: var(--header-height);
  padding: var(--spacing-xl);
  min-height: calc(100vh - var(--header-height));
}

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

/* --------------------------------------------------------------------------
   Breadcrumbs
   -------------------------------------------------------------------------- */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.breadcrumbs a {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

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

.breadcrumb-separator {
  color: var(--border-color);
  width: 16px;
  height: 16px;
}

.breadcrumb-current {
  color: var(--text-primary);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Artigo/Conteudo
   -------------------------------------------------------------------------- */
.article {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  overflow: hidden;
}

.article-content {
  overflow-x: auto;
}

.article-header {
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.article-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.article-meta {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.article-content h2 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-light);
  letter-spacing: -0.01em;
}

.article-content h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.article-content h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.article-content h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-secondary);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.article-content p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

.article-content ul,
.article-content ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-xl);
  color: var(--text-secondary);
}

.article-content li {
  margin-bottom: var(--spacing-xs);
}

.article-content li::marker {
  color: var(--primary-color);
}

.article-content strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Listas de Informacao */
.info-list {
  margin: 1rem 0 1.5rem;
  padding: 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.info-item {
  display: flex;
  border-bottom: 1px solid var(--border-color);
}

.info-item:last-child {
  border-bottom: none;
}

.info-item dt {
  flex: 0 0 180px;
  padding: 12px 16px;
  background: var(--bg-light);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-primary);
}

.info-item dd {
  flex: 1;
  padding: 12px 16px;
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
  background: var(--bg-white);
}

.info-item dt a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
}

.info-item dt a:hover {
  text-decoration: underline;
}

/* Tabelas simples (para casos que ainda precisem) */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.875rem;
}

table th,
table td {
  padding: 12px 16px;
  text-align: left;
  border: 1px solid var(--border-color);
}

table th {
  background: var(--bg-light);
  font-weight: 600;
  color: var(--text-primary);
}

table td {
  color: var(--text-secondary);
}

table tbody tr:hover {
  background: var(--primary-50);
}

/* Screenshots */
.screenshot {
  margin: var(--spacing-lg) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.screenshot img {
  display: block;
  width: 100%;
  height: auto;
}

/* Placeholder de screenshot */
.screenshot-placeholder {
  background: linear-gradient(135deg, var(--bg-light) 0%, var(--border-light) 100%);
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  text-align: center;
  color: var(--text-muted);
  margin: var(--spacing-lg) 0;
}

.screenshot-placeholder-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--spacing-md);
  opacity: 0.5;
}

.screenshot-placeholder p {
  margin: 0;
  font-size: var(--font-size-sm);
}

/* Blocos de destaque (Callouts) */
.callout {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-lg);
  margin: var(--spacing-lg) 0;
  border-left: 4px solid;
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.callout-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.callout-content {
  flex: 1;
}

.callout-info {
  background: var(--info-light);
  border-color: var(--info-color);
}

.callout-info .callout-icon {
  color: var(--info-color);
}

.callout-warning {
  background: var(--warning-light);
  border-color: var(--warning-color);
}

.callout-warning .callout-icon {
  color: var(--warning-color);
}

.callout-success {
  background: var(--success-light);
  border-color: var(--success-color);
}

.callout-success .callout-icon {
  color: var(--success-color);
}

.callout-error {
  background: var(--error-light);
  border-color: var(--error-color);
}

.callout-error .callout-icon {
  color: var(--error-color);
}

.callout-title {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.callout p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   Navegacao do Artigo
   -------------------------------------------------------------------------- */
.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.article-nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  text-decoration: none;
}

.article-nav-link:hover {
  background: var(--primary-lighter);
  border-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.article-nav-link--next {
  flex-direction: row-reverse;
  text-align: right;
}

.article-nav-link-icon {
  width: 20px;
  height: 20px;
  color: var(--primary-color);
  flex-shrink: 0;
}

.article-nav-link-content {
  flex: 1;
  min-width: 0;
}

.article-nav-link-label {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  display: block;
  margin-bottom: 2px;
}

.article-nav-link-title {
  color: var(--primary-color);
  font-weight: 500;
  font-size: var(--font-size-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* --------------------------------------------------------------------------
   Pagina Inicial - Hero
   -------------------------------------------------------------------------- */
.home-hero {
  text-align: center;
  padding: var(--spacing-3xl) 0;
  margin-bottom: var(--spacing-2xl);
}

.home-hero h1 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.03em;
}

.home-hero p {
  font-size: var(--font-size-lg);
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto;
}

.home-search {
  max-width: 560px;
  margin: var(--spacing-xl) auto 0;
}

.home-search .search-container {
  position: relative;
}

.home-search .search-input {
  background: var(--bg-white);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  padding: 0.875rem var(--spacing-lg);
  padding-left: 3rem;
  font-size: var(--font-size-base);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.home-search .search-input::placeholder {
  color: var(--text-muted);
}

.home-search .search-input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px var(--primary-lighter);
}

.home-search .search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 20px;
  height: 20px;
  z-index: 1;
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   Cards Grid
   -------------------------------------------------------------------------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.card {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  border: 1px solid var(--border-light);
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--primary-light);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-lighter);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: var(--primary-color);
}

.card-icon .lucide {
  width: 24px;
  height: 24px;
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.card-description {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
  flex: 1;
  line-height: 1.5;
}

.card-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--primary-color);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.card-link .lucide {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.card:hover .card-link .lucide {
  transform: translateX(4px);
}

/* Card Chatwoot - Tema secundario */
.card.card-secondary .card-icon {
  background: var(--secondary-lighter);
  color: var(--secondary-color);
}

.card.card-secondary .card-link {
  color: var(--secondary-color);
}

.card.card-secondary:hover {
  border-color: var(--secondary-light);
}

/* --------------------------------------------------------------------------
   Quick Links Section
   -------------------------------------------------------------------------- */
.quick-links-section {
  margin-top: var(--spacing-2xl);
}

.quick-links-section h2 {
  text-align: center;
  color: var(--text-primary);
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
}

.quick-links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-md);
}

.quick-link-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  text-decoration: none;
}

.quick-link-card:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.quick-link-icon {
  width: 40px;
  height: 40px;
  background: var(--primary-lighter);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  flex-shrink: 0;
}

.quick-link-icon .lucide {
  width: 20px;
  height: 20px;
}

.quick-link-content h4 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.quick-link-content p {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin: 0;
}

/* --------------------------------------------------------------------------
   Indice do Artigo (Table of Contents)
   -------------------------------------------------------------------------- */
.toc {
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  border: 1px solid var(--border-light);
}

.toc-title {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.toc-title .lucide {
  width: 14px;
  height: 14px;
}

.toc-list {
  list-style: none;
}

.toc-item {
  margin-bottom: var(--spacing-xs);
}

.toc-link {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  display: block;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
}

.toc-link:hover {
  color: var(--primary-color);
}

.toc-sublist {
  list-style: none;
  margin-left: var(--spacing-md);
  padding-left: var(--spacing-md);
  border-left: 1px solid var(--border-color);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  background: var(--text-primary);
  color: var(--bg-white);
  padding: var(--spacing-xl);
  margin-top: var(--spacing-3xl);
}

.footer-content {
  max-width: var(--max-content-width);
  margin: 0 auto;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.footer-link {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--bg-white);
}

.footer-copyright {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.5);
}

/* --------------------------------------------------------------------------
   Glossario
   -------------------------------------------------------------------------- */
.glossary-list {
  list-style: none;
}

.glossary-item {
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--border-light);
}

.glossary-item:last-child {
  border-bottom: none;
}

.glossary-term {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.glossary-term .lucide {
  width: 16px;
  height: 16px;
  color: var(--primary-color);
}

.glossary-definition {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  padding-left: 1.5rem;
}

/* Filtro alfabetico */
.glossary-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--bg-light);
  border-radius: var(--radius-lg);
}

.glossary-filter-btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  min-width: 36px;
  border: 1px solid var(--border-color);
  background: var(--bg-white);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.glossary-filter-btn:hover,
.glossary-filter-btn.active {
  background: var(--primary-color);
  color: var(--bg-white);
  border-color: var(--primary-color);
}

/* --------------------------------------------------------------------------
   Steps / Passos
   -------------------------------------------------------------------------- */
.steps {
  counter-reset: step-counter;
  list-style: none;
  padding: 0;
}

.step {
  position: relative;
  padding-left: 3rem;
  padding-bottom: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.step::before {
  content: counter(step-counter);
  counter-increment: step-counter;
  position: absolute;
  left: 0;
  top: 0;
  width: 2rem;
  height: 2rem;
  background: var(--primary-color);
  color: var(--bg-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.step::after {
  content: '';
  position: absolute;
  left: calc(1rem - 1px);
  top: 2.5rem;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}

.step:last-child::after {
  display: none;
}

.step-title {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.step-content {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   Responsividade
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-xl);
  }

  .main-content {
    margin-left: 0;
  }

  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .header-search {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 56px;
  }

  .header {
    padding: 0 var(--spacing-md);
  }

  .header-logo-img {
    height: 26px;
  }

  .header-logo-text {
    display: none;
  }

  .header-logo h1 {
    font-size: var(--font-size-lg);
  }

  .header-logo span {
    display: none;
  }

  .main-content {
    padding: var(--spacing-md);
  }

  .article {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
  }

  .article-title {
    font-size: var(--font-size-2xl);
  }

  .article-content h2 {
    font-size: var(--font-size-lg);
  }

  /* Tabelas responsivas */
  table td:first-child {
    flex: 0 0 140px;
  }

  table td {
    padding: 10px 12px;
    font-size: 13px;
  }

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

  .article-nav {
    grid-template-columns: 1fr;
  }

  .home-hero {
    padding: var(--spacing-xl) 0;
  }

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

  .home-hero p {
    font-size: var(--font-size-base);
  }

  .quick-links-grid {
    grid-template-columns: 1fr;
  }

  .footer-links {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

/* --------------------------------------------------------------------------
   Utilitarios
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.hidden { display: none; }
.visible { display: block; }

/* Highlight de busca */
.highlight {
  background: #FEF08A;
  padding: 1px 4px;
  border-radius: 2px;
  font-weight: 500;
}

/* Scroll suave para ancoras */
html {
  scroll-padding-top: calc(var(--header-height) + var(--spacing-lg));
}

/* Print styles */
@media print {
  .header,
  .sidebar,
  .footer,
  .article-nav,
  .breadcrumbs,
  .toc {
    display: none;
  }

  .main-content {
    margin: 0;
    padding: 0;
  }

  .article {
    box-shadow: none;
    border: none;
    padding: 0;
  }
}

/* Focus visible para acessibilidade */
:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Scrollbar customizada */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-light);
}