/* ============================================================================
   ell-sidenav.css — Nav vertical (esquerda) + conteúdo (direita)
   Substitui sub-abas horizontais no meio do conteúdo.
   Usado em: Pessoas/Negócios (detalhe), Números (chat), Configurações, Saúde,
             Raio-X, Páginas (Biblioteca/Templates/Domínios/Pixels).

   Estrutura:
     <div class="ell-sidenav">
       <aside class="ell-sidenav__nav">
         <div class="ell-sidenav__group-label">grupo</div>
         <button class="ell-sidenav__item is-active">
           <span class="ell-sidenav__item-icon">…</span>
           <span class="ell-sidenav__item-label">…</span>
           <span class="ell-sidenav__item-badge">4</span>
         </button>
         …
       </aside>
       <section class="ell-sidenav__content">…</section>
     </div>
   ============================================================================ */

.ell-sidenav {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: var(--space-8);
  align-items: start;
}

/* ─── Coluna esquerda (sticky) ───────────────────────────────────── */

.ell-sidenav__nav {
  position: sticky;
  top: calc(var(--header-h) + var(--space-4));
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-right: var(--space-2);
  border-right: 1px solid var(--line-subtle);
}

.ell-sidenav__group-label {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: var(--space-4) var(--space-3) var(--space-2);
}
.ell-sidenav__group-label:first-child { padding-top: 0; }

.ell-sidenav__item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border: 0;
  background: transparent;
  color: var(--text-2);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  border-radius: var(--radius);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
  position: relative;
}
.ell-sidenav__item:hover {
  background: var(--bg-sunken);
  color: var(--text);
}
.ell-sidenav__item.is-active {
  background: transparent;
  color: var(--accent);
  font-weight: 600;
}
.ell-sidenav__item.is-active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translate(-100%, -50%);
  width: 3px;
  height: 60%;
  background: var(--accent);
  border-radius: 0 2px 2px 0;
}

.ell-sidenav__item-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  color: currentColor;
  flex-shrink: 0;
}
.ell-sidenav__item-icon i[data-lucide] {
  width: 16px;
  height: 16px;
}
.ell-sidenav__item-label {
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ell-sidenav__item-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-3);
  background: var(--bg-sunken);
  padding: 2px 6px;
  border-radius: var(--radius-pill);
  flex-shrink: 0;
}
.ell-sidenav__item.is-active .ell-sidenav__item-badge {
  color: var(--accent);
  background: var(--accent-soft);
}

/* ─── Coluna direita (conteúdo) ──────────────────────────────────── */

.ell-sidenav__content {
  min-width: 0;
  min-height: 400px;
}
.ell-sidenav__content > * + * {
  margin-top: var(--space-6);
}

/* ─── Responsivo: colapsa em telas estreitas ─────────────────────── */

@media (max-width: 860px) {
  .ell-sidenav {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  .ell-sidenav__nav {
    position: static;
    flex-direction: row;
    overflow-x: auto;
    padding-right: 0;
    padding-bottom: var(--space-2);
    border-right: 0;
    border-bottom: 1px solid var(--line-subtle);
    gap: var(--space-1);
  }
  .ell-sidenav__group-label { display: none; }
  .ell-sidenav__item {
    flex-shrink: 0;
    white-space: nowrap;
  }
  .ell-sidenav__item.is-active::before { display: none; }
  .ell-sidenav__item.is-active {
    border-bottom: 2px solid var(--accent);
    border-radius: 0;
  }
}