/* Header namespaced: estilos isolados e explícitos para evitar conflitos */
.header-container { background: #fff; color: #111827; border-bottom: 1px solid rgba(0,0,0,0.08); width: 100%; display: block; }
.header-container *, .header-container *::before, .header-container *::after { box-sizing: border-box; }

/* Reset básico para elementos do header */
.header-container a { text-decoration: none; color: inherit; }
.header-container ul { margin: 0; padding: 0; list-style: none; }
.header-container button { margin: 0; padding: 0; border: none; background: transparent; color: inherit; font: inherit; }
.header-container svg { display: block; }
.header-container details { position: relative; }
.header-container summary { list-style: none; cursor: pointer; }
.header-container .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* Neutraliza utilitários genéricos quando combinados com o namespace */
.header-container .container { max-width: none !important; margin: 0 !important; padding: 0 !important; }

/* Layout principal do header */
.header-container .header { width: 100% !important; margin: 0 !important; }
.header-container .header-content { display: flex !important; align-items: center !important; justify-content: flex-start !important; gap: 16px !important; padding: 10px 16px !important; margin: 0 !important; min-height: 56px; }
.header-container .header-content { flex-wrap: nowrap !important; }
.header-container .logo { flex: 0 0 auto; white-space: nowrap; }
.header-container .menu-toggle { flex: 0 0 auto; }
.header-container .primary-nav { margin-left: auto !important; }

/* Variante escura do header (aplicada quando .is-dark presente) */
.header-container.is-dark { background: transparent; color: #e5e7eb; border-bottom: 0; }
.header-container.is-dark .header-content { padding: 0 !important; min-height: 64px; }
.header-container.is-dark .primary-nav { gap: 16px; }
.header-container.is-dark .nav-link { color: #d1d5db; background: transparent; }
.header-container.is-dark .nav-link:hover { background: rgba(255,255,255,0.05); color: #fff; }
.header-container.is-dark .nav-link.is-active { background: rgba(2, 6, 23, 0.5) !important; color: #fff !important; }
.header-container.is-dark .user-dropdown summary { background: transparent; color: #d1d5db; }
.header-container.is-dark .user-dropdown .menu { background: #1f2937; border-color: rgba(255,255,255,0.1); }
.header-container.is-dark .user-dropdown .menu a { color: #d1d5db; }
.header-container.is-dark .user-dropdown .menu a:hover { background: rgba(255,255,255,0.06); color: #fff; }

/* Logo */
.header-container .logo { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: #1f2937; height: 40px; }
.header-container .logo-icon { width: 36px; height: 36px; border-radius: 10px; background: #3d5d4e; color: #fff; display: flex; align-items: center; justify-content: center; }
.header-container .logo-icon svg { width: 22px; height: 22px; }
.header-container .logo-trends { font-weight: 600; color: #2D5F4D; }

/* Navegação */
.header-container .primary-nav { display: flex; align-items: center; gap: 12px; margin: 0 !important; }
.header-container .nav-list { display: flex; flex-wrap: nowrap; align-items: center; gap: 12px; margin: 0 !important; padding: 0 !important; }
.header-container .nav-item { margin: 0 !important; }
.header-container .nav-link { display: inline-flex; align-items: center; gap: 8px; height: 36px; padding: 8px 12px; border-radius: 8px; color: #334155; background: transparent; transition: background-color .2s ease, color .2s ease; }
.header-container .nav-link .icon { width: 16px; height: 16px; }
.header-container .nav-link:hover { background: #E5E7EB; color: #0F172A; }
.header-container .nav-link.is-active { background: #DBEAFE !important; color: #0F172A !important; }

/* Ações e perfil */
.header-container .user-info { display: inline-flex; align-items: center; gap: 12px; margin-left: auto; }
.header-container .user-dropdown summary { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 8px; background: #F1F5F9; color: #334155; padding: 0; line-height: 0; }
.header-container .user-dropdown summary .icon { width: 18px; height: 18px; }
.header-container .user-dropdown summary::-webkit-details-marker { display: none; }
.header-container .user-dropdown summary .icon,
.header-container .user-dropdown summary svg { display: block; color: #334155; fill: none; stroke: currentColor; background: transparent; }
.header-container .user-dropdown { position: relative; }
.header-container .user-dropdown .menu { position: absolute; left: 50%; transform: translateX(-50%); top: calc(100% + 6px); min-width: 180px; background: #fff; border: 1px solid rgba(0,0,0,0.1); border-radius: 8px; box-shadow: 0 8px 24px rgba(0,0,0,0.12); padding: 8px; display: none; z-index: 1000; will-change: transform; }
.header-container .user-dropdown[open] .menu { display: block; }
.header-container .user-dropdown .menu a { display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 6px; color: #374151; }
.header-container .user-dropdown .menu a .icon, .header-container .user-dropdown .menu a svg { width: 16px; height: 16px; flex: 0 0 auto; }
.header-container .user-dropdown .menu a:hover { background: #F1F5F9; color: #0F172A; }

/* Toggle do menu (mobile) */
.header-container .menu-toggle { display: none; width: 36px; height: 36px; border-radius: 8px; background: #F3F4F6; color: #374151; align-items: center; justify-content: center; }
.header-container .menu-toggle .menu-icon { width: 18px; height: 2px; background: currentColor; position: relative; display: block; }
.header-container .menu-toggle .menu-icon::before, .header-container .menu-toggle .menu-icon::after { content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: currentColor; }
.header-container .menu-toggle .menu-icon::before { top: -6px; }
.header-container .menu-toggle .menu-icon::after { top: 6px; }

/* Link de voltar (logo abaixo do header) com escopo ao header via irmão seguinte */
.header-container + .header-back { border-bottom: 1px solid rgba(0,0,0,0.06); background: #fff; }
.header-container + .header-back .header-back-inner { max-width: 100%; padding: 6px 16px; }
.header-container + .header-back .back-home { display: inline-flex; align-items: center; gap: 6px; color: #374151; padding: 4px 8px; border-radius: 6px; }
.header-container + .header-back .back-home:hover { background: #F3F4F6; color: #111827; }
.header-container + .header-back .icon { width: 16px; height: 16px; }

/* Responsividade */
@media (max-width: 767px) {
  .header-container .menu-toggle { display: inline-flex !important; margin-left: 8px; }
  .header-container .primary-nav { position: absolute; left: 0; right: 0; top: 100%; background: #fff; border-bottom: 1px solid rgba(0,0,0,0.08); padding-bottom: 8px; }
  .header-container.is-dark .primary-nav { background: transparent; border-bottom: 0; }
  .header-container .nav-list { display: none; flex-direction: column; align-items: stretch; gap: 8px; padding: 8px 16px !important; }
  .header-container .menu-toggle[aria-expanded="true"] + .primary-nav .nav-list { display: flex !important; }
  .header-container .user-info { padding: 8px 16px; }
}

/* Overlay do menu mobile */
.mobile-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.15); z-index: 40; display: none; opacity: 0; transition: opacity .2s ease; }
.mobile-overlay.is-visible { display: block; opacity: 1; }

@media (min-width: 768px) {
  .header-container .primary-nav { position: static; }
  .header-container .nav-list { display: flex !important; }
  .header-container .menu-toggle { display: none !important; }
}

/* Proteções críticas com !important para evitar regressões */
.header-container .header-content, .header-container .primary-nav, .header-container .nav-list { margin-left: 0 !important; margin-right: 0 !important; }
.header-container .nav-link.is-active { font-weight: 600 !important; }

/* Alinhamento com container central do conteúdo */
.header-container .header-content {
  max-width: var(--container-max);
  margin-left: auto !important;
  margin-right: auto !important;
  padding-left: var(--container-pad) !important;
  padding-right: var(--container-pad) !important;
}

/* Neutraliza mudança de cor no hover/visited da logo no header */
.header-container .logo:hover,
.header-container .logo:visited {
  color: inherit !important;
}