/* 
  ========================================================================
  ARQUIVO: assets/css/global.css
  DESCRIÇÃO: Estilos globais e folha de estilo principal da Central de Ajuda.
  Fornece suporte dinâmico para temas Dark e Light, layout responsivo
  completo de 1 coluna para celular e múltiplos layouts de grid para tablets
  e desktops, e variáveis de cores oficiais baseadas nas regras AGENTS.md.
  ========================================================================
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Cores Padrão - Dark Mode (Bravvius Style) */
  --bg-main: #0a0e17;
  --bg-card: #0e0e0e;
  --bg-header: rgba(10, 14, 23, 0.95);
  --bg-input: #0e0e0e;
  --bg-tag: rgba(14, 14, 14, 0.9);
  --bg-footer: #0a0e17;
  
  --primary-blue: #273c66;
  --accent-cyan: #2f90a8;
  --accent-cyan-glow: rgba(47, 144, 168, 0.3);
  --border-subtle: rgba(47, 144, 168, 0.25);
  
  --text-main: #f5f5f5;
  --text-title: #ffffff;
  --text-muted: #94a3b8;
  --text-card-topic: #cbd5e1;
  
  /* Cores do Cabeçalho */
  --header-text: #ffffff;
  --header-item-bg: #141a28;
  --btn-support-bg: transparent;
  --btn-support-text: #ffffff;
  --btn-support-border: rgba(47, 144, 168, 0.4);
  
  --header-height: 75px;
  --border-radius: 12px;
  --transition-fast: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-family: 'Aileron', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Modo Claro (Light Mode) - Cores Harmonizadas e Contraste Otimizado */
[data-theme="light"] {
  --bg-main: #f5f5f5;
  --bg-card: #ffffff;
  --bg-header: rgba(245, 245, 245, 0.95);
  --bg-input: #ffffff;
  --bg-tag: #e2e8f0;
  --bg-footer: #f5f5f5;
  
  --border-subtle: #cbd5e1;
  
  --text-main: #1e293b;
  --text-title: #0f172a;
  --text-muted: #475569;
  --text-card-topic: #334155;
  
  /* Cabeçalho Modo Claro - Mantendo os fundos idênticos à página */
  --header-text: #0f172a;
  --header-item-bg: #ffffff;
  --btn-support-bg: transparent;
  --btn-support-text: #0f172a;
  --btn-support-border: #cbd5e1;
  --accent-cyan-glow: rgba(47, 144, 168, 0.15);
}

/* Modo Escuro Forçado (Garantia de aplicação do seletor) */
[data-theme="dark"] {
  --bg-main: #0a0e17;
  --bg-card: #0e0e0e;
  --bg-header: rgba(10, 14, 23, 0.96);
  --bg-input: #0e0e0e;
  --bg-tag: rgba(14, 14, 14, 0.9);
  --bg-footer: #0e0e0e;
  
  --border-subtle: rgba(47, 144, 168, 0.25);
  
  --text-main: #f5f5f5;
  --text-title: #ffffff;
  --text-muted: #94a3b8;
  --text-card-topic: #cbd5e1;
  --header-text: #ffffff;
  --header-item-bg: #141a28;
  --btn-support-bg: transparent;
  --btn-support-text: #ffffff;
  --btn-support-border: rgba(47, 144, 168, 0.4);
}

/* Reset Geral */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-family);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

a:hover {
  opacity: 0.85;
}

/* Forçar herança de cor de texto para links dentro do cabeçalho */
.main-header a {
  color: inherit;
}

/* ==========================================
   CABEÇALHO FIXO (STICKY HEADER)
   ========================================== */
.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background-color: var(--bg-header);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.header-container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Marca / Logo */
.brand-logo, 
.main-header .brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--text-title) !important;
  letter-spacing: -0.5px;
}

.brand-badge,
.main-header .brand-badge {
  background: linear-gradient(135deg, var(--primary-blue), var(--accent-cyan)) !important;
  color: #ffffff !important;
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 20px;
  text-transform: uppercase;
  font-weight: 600;
  display: inline-block;
}

/* Canais de Atendimento Fixos */
.support-channels {
  display: flex;
  align-items: center;
  gap: 16px;
}

.channel-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--header-text);
  padding: 8px 14px;
  background-color: var(--header-item-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  transition: var(--transition-fast);
}

.channel-item span {
  color: var(--header-text);
}

.channel-item:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 12px var(--accent-cyan-glow);
}

.channel-item:hover span {
  color: var(--accent-cyan);
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #22c55e;
  box-shadow: 0 0 8px #22c55e;
}

/* Alternador de Tema (Dark/Light) */
.theme-toggle-btn {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  transition: var(--transition-fast);
}

.theme-toggle-btn:hover {
  border-color: var(--accent-cyan);
  transform: rotate(15deg);
  box-shadow: 0 0 10px var(--accent-cyan-glow);
}

/* Botão de Suporte Rápido Atendente */
.btn-live-support,
.main-header .btn-live-support {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--btn-support-bg) !important;
  color: var(--btn-support-text) !important;
  font-weight: 600;
  font-size: 0.85rem;
  padding: 10px 18px;
  border-radius: 20px;
  border: 1px solid var(--btn-support-border) !important;
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
  box-shadow: none;
}

.main-header .btn-live-support span {
  color: var(--btn-support-text) !important;
}

.btn-live-support:hover,
.main-header .btn-live-support:hover {
  transform: translateY(-1px);
  border-color: var(--accent-cyan) !important;
  color: var(--accent-cyan) !important;
  box-shadow: 0 0 10px var(--accent-cyan-glow);
}

.btn-live-support:hover span,
.main-header .btn-live-support:hover span {
  color: var(--accent-cyan) !important;
}

/* ==========================================
   HERO SECTION & BUSCA INTELIGENTE
   ========================================== */
.hero-section {
  padding: 70px 20px 50px 20px;
  text-align: center;
  position: relative;
  background: radial-gradient(circle at top center, rgba(39, 60, 102, 0.2) 0%, rgba(10, 14, 23, 0) 70%);
}

.hero-title {
  font-size: 2.6rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-title);
  letter-spacing: -0.5px;
}

.hero-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 750px; /* Largura ajustada para evitar quebra inadequada de texto */
  margin: 0 auto 32px auto;
}

/* Wrapper de Input de Busca */
.search-wrapper {
  max-width: 780px; /* Largura ampliada do container de busca */
  margin: 0 auto;
  position: relative;
}

.search-input-container {
  display: flex;
  align-items: center;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 6px 18px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  transition: var(--transition-fast);
}

.search-input-container:focus-within {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px var(--accent-cyan-glow);
  background-color: var(--bg-input);
}

.search-icon {
  color: var(--accent-cyan);
  font-size: 1.2rem;
  margin-right: 12px;
}

.search-input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: 1rem;
  padding: 12px 0;
  font-family: var(--font-family);
}

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

/* Tags de Atalho Rápidas */
.search-tags {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 18px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.tag-btn {
  background-color: var(--bg-tag);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 6px 14px;
  border-radius: 16px;
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: 0.8rem;
  font-weight: 500;
}

.tag-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background-color: rgba(47, 144, 168, 0.1);
}

/* ==========================================
   CONTEÚDO E GRID DOS CARDS
   ========================================== */
.main-content {
  flex: 1;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 20px 24px 60px 24px;
}

.section-header-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-title);
  border-left: 4px solid var(--accent-cyan);
  padding-left: 12px;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

/* Design de Card Bravvius */
.category-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius);
  padding: 24px;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-blue), var(--accent-cyan));
  opacity: 0;
  transition: var(--transition-fast);
}

.category-card:hover {
  transform: translateY(-4px);
  border-color: rgba(47, 144, 168, 0.4);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08), 0 0 15px var(--accent-cyan-glow);
}

.category-card:hover::before {
  opacity: 1;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.card-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background-color: rgba(39, 60, 102, 0.15);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.3rem;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-title);
}

.card-description {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  line-height: 1.5;
}

.card-topics-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}

.topic-item-link {
  font-size: 0.85rem;
  color: var(--text-card-topic);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  border-radius: 6px;
  background-color: rgba(0, 0, 0, 0.03);
  transition: var(--transition-fast);
}

[data-theme="dark"] .topic-item-link {
  background-color: rgba(255, 255, 255, 0.02);
}

.topic-item-link:hover {
  background-color: rgba(47, 144, 168, 0.12);
  color: var(--accent-cyan);
  padding-left: 14px;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--accent-cyan);
  font-weight: 600;
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
  margin-top: auto;
}

/* ==========================================
   RODAPÉ (FOOTER)
   ========================================== */
.main-footer {
  background-color: var(--bg-footer);
  border-top: 1px solid var(--border-subtle);
  padding: 40px 24px 24px 24px;
  margin-top: auto;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-subtle);
  padding-top: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 15px;
}

/* ==========================================
   MEDIAS QUERIES (RESPONSIVIDADE GERAL)
   ========================================== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.2rem;
  }
  
  .categories-grid {
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  }
}

@media (max-width: 768px) {
  .support-channels {
    display: none; /* Simplificação do cabeçalho em celular */
  }

  .header-container {
    padding: 0 16px;
  }

  .btn-live-support span:last-child {
    display: none; /* Oculta texto em celular pequeno mantendo apenas raio ⚡ */
  }

  .hero-section {
    padding: 45px 16px 30px 16px;
  }

  .hero-title {
    font-size: 1.8rem;
  }

  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: 24px;
  }

  .categories-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .footer-top, .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
}

@media (max-width: 480px) {
  .brand-logo {
    font-size: 1.2rem;
  }

  .search-tags {
    font-size: 0.75rem;
  }

  .tag-btn {
    padding: 5px 10px;
  }
}