/* ═══════════════════════════════════════════════════════════════
   FolhaLab — Layout: Topbar, navegação agrupada, container, footer
   ═══════════════════════════════════════════════════════════════ */

/* ───────────────────────────────────────────────────────────────
   Topbar
   ─────────────────────────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0 1.5rem;
  height: 136px;
  background: #fff;
  border-bottom: 1px solid var(--borda);
  position: sticky;
  top: 0;
  z-index: 200;
  box-shadow: 0 1px 0 rgba(0,0,0,.04);
}

/* Logo */
.logo {
  height: 120px;
  width: auto;
  display: block;
  flex-shrink: 0;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  opacity: 1;
  transition: opacity .15s;
}
.logo-link:hover { opacity: .8; }

/* ───────────────────────────────────────────────────────────────
   Navegação principal
   ─────────────────────────────────────────────────────────────── */
.topnav {
  display: flex;
  align-items: center;
  gap: .1rem;
  flex: 1;
  min-width: 0;
  /* SEM overflow: evita que o CSS force overflow-y:auto, o que cliparia os dropdowns */
}

/* ── Grupo com dropdown ──────────────────────────────────────── */
.nav-group {
  position: relative;
  flex-shrink: 0;
}

.nav-group-btn {
  display: inline-flex;
  align-items: center;
  gap: .38rem;
  padding: .4rem .65rem;
  height: 36px;
  background: transparent;
  border: 0;
  border-radius: .5rem;
  cursor: pointer;
  font: inherit;
  font-size: .875rem;
  font-weight: 500;
  color: #444;
  white-space: nowrap;
  transition: background .12s, color .12s;
  user-select: none;
}

.nav-group-btn:hover {
  background: var(--cinza);
  color: var(--grafite);
}

.nav-group.is-active > .nav-group-btn {
  color: var(--vermelho);
}

.nav-group.is-open > .nav-group-btn {
  background: var(--cinza);
}

/* Bolinha colorida */
.nav-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Chevron */
.nav-chevron {
  opacity: .4;
  flex-shrink: 0;
  transition: transform .2s ease, opacity .15s;
}
.nav-group-btn:hover .nav-chevron { opacity: .7; }
.nav-group.is-open  .nav-chevron { transform: rotate(180deg); opacity: .7; }

/* ── Dropdown panel ──────────────────────────────────────────── */
.nav-dropdown {
  display: none; /* estado inicial via CSS; o JS usa style.display='block' para abrir */
  position: absolute;
  top: calc(100% + .4rem);
  left: 0;
  min-width: 240px;
  background: #fff;
  border: 1px solid var(--borda);
  border-radius: .85rem;
  box-shadow:
    0 4px 6px -1px rgba(0,0,0,.06),
    0 12px 28px -4px rgba(0,0,0,.08);
  padding: .4rem;
  z-index: 300;
  /* Sem animation: evita opacity:0 no frame inicial que poderia ocultar o dropdown */
}
/* Visibilidade controlada pelo JS via style.display='block'/'none' */

/* Cabeçalho do dropdown */
.nav-dd-header {
  padding: .45rem .7rem .3rem;
  border-bottom: 1px solid var(--borda);
  margin-bottom: .3rem;
}
.nav-dd-title {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #aaa;
}

/* Item do dropdown */
.nav-dd-item {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .5rem .7rem;
  border-radius: .55rem;
  text-decoration: none;
  transition: background .1s;
}
.nav-dd-item:hover {
  background: var(--cinza);
}

.nav-dd-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 1px;
  opacity: .75;
}

.nav-dd-text {
  display: flex;
  flex-direction: column;
  gap: .05rem;
  min-width: 0;
}
.nav-dd-text strong {
  display: block;
  font-size: .875rem;
  font-weight: 600;
  color: var(--grafite);
  line-height: 1.2;
  white-space: nowrap;
}
.nav-dd-text small {
  display: block;
  font-size: .75rem;
  color: #999;
  line-height: 1.3;
  white-space: nowrap;
}

/* Item ativo */
.nav-dd-item.is-current {
  background: rgba(218,41,28,.06);
}
.nav-dd-item.is-current .nav-dd-text strong { color: var(--vermelho); }
.nav-dd-item.is-current .nav-dd-text small  { color: rgba(218,41,28,.65); }

/* ── Separador vertical ──────────────────────────────────────── */
.nav-sep {
  width: 1px;
  height: 20px;
  background: var(--borda);
  margin: 0 .3rem;
  flex-shrink: 0;
}

/* ── Links simples (sem dropdown) ───────────────────────────── */
.nav-plain {
  display: inline-flex;
  align-items: center;
  gap: .38rem;
  height: 36px;
  padding: 0 .65rem;
  border-radius: .5rem;
  font-size: .875rem;
  font-weight: 500;
  color: #444;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background .12s, color .12s;
}
.nav-plain:hover { background: var(--cinza); color: var(--grafite); }
.nav-plain.is-current {
  background: rgba(218,41,28,.07);
  color: var(--vermelho);
  font-weight: 600;
}

/* ── Ações no canto direito ──────────────────────────────────── */
.topbar-actions {
  display: flex;
  align-items: center;
  gap: .45rem;
  margin-left: auto;
  flex-shrink: 0;
}

/* ─────────────────────────────────────────────────────────────
   Botões tamanho pequeno (para uso no topbar e tabelas)
   ───────────────────────────────────────────────────────────── */
.btn-sm,
.btn[data-size="sm"] {
  padding: .35rem .75rem;
  font-size: .84rem;
  height: 34px;
  line-height: 1;
}

.btn-active-ghost {
  background: rgba(218,41,28,.07);
  color: var(--vermelho);
  border: 1px solid rgba(218,41,28,.2);
}

/* ═══════════════════════════════════════════════════════════════
   Conteúdo principal
   ═══════════════════════════════════════════════════════════════ */
.container {
  max-width: 1140px;
  margin: 1.5rem auto;
  padding: 0 1.25rem;
}

/* ═══════════════════════════════════════════════════════════════
   Rodapé
   ═══════════════════════════════════════════════════════════════ */
.rodape {
  margin-top: 3rem;
  padding: 1.1rem 1.5rem;
  border-top: 1px solid var(--borda);
  text-align: center;
  color: #bbb;
  font-size: .82rem;
  letter-spacing: .02em;
}

/* ═══════════════════════════════════════════════════════════════
   Menu hambúrguer (mobile — reservado para expansão futura)
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .topbar { gap: .75rem; padding: 0 1rem; }
  .topbar-actions .btn-sm:first-child { display: none; } /* esconde "Folha" em mobile */
  .topnav { gap: 0; }
}