/* Casca: sidebar redimensionável + topbar + página. */
.app-shell {
  display: flex;
  min-height: 100vh;
}

/* ---------- Sidebar ---------- */
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  width: var(--sidebar-width);
  min-width: var(--sidebar-min);
  max-width: var(--sidebar-max);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-elev);
  border-right: 1px solid var(--border);
  z-index: 30;
}

.sidebar-marca {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  height: var(--topbar-h);
  padding: 0 var(--sp-4);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-titulo);
  font-weight: 700;
  font-size: var(--fs-base);
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
}
.sidebar-marca:hover { text-decoration: none; }
.sidebar-marca .marca-icone, .auth-marca .marca-icone {
  width: 32px; height: 32px;
  border-radius: var(--raio-8);
  display: grid; place-items: center;
  background: var(--accent);
  color: var(--accent-texto-sobre);
  font-size: 18px;
  flex-shrink: 0;
}
.sidebar-marca span { overflow: hidden; text-overflow: ellipsis; }

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-3) var(--sp-2);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-grupo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-top: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  border: 0;
  border-radius: var(--raio-8);
  background: none;
  font: inherit;
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-dim);
  cursor: pointer;
}
.nav-grupo:hover { background: var(--surface-2); color: var(--text); }
.nav-seta { font-size: 14px; transition: transform .15s ease; }
.nav-secao.aberta .nav-seta { transform: rotate(90deg); }
.nav-subitens { display: none; flex-direction: column; gap: 2px; padding-left: var(--sp-2); }
.nav-secao.aberta .nav-subitens { display: flex; }

/* Botão de encolher o menu */
.sidebar-encolher { position: absolute; top: calc((var(--topbar-h) - 32px) / 2); right: var(--sp-2); z-index: 32; }
.sidebar-marca { padding-right: 48px; }

/* Menu encolhido (só desktop): só os ícones; todas as seções abertas para seguir navegável */
@media (min-width: 881px) {
.menu-encolhido .sidebar { width: 68px; min-width: 68px; }
.menu-encolhido .sidebar-marca { justify-content: center; padding: 0; visibility: hidden; }
.menu-encolhido .sidebar-encolher { right: 50%; transform: translateX(50%) rotate(180deg); }
.menu-encolhido .sidebar-alca,
.menu-encolhido .nav-item span,
.menu-encolhido .nav-grupo span,
.menu-encolhido .nav-seta,
.menu-encolhido .usuario-info,
.menu-encolhido .usuario-side .btn-icone,
.menu-encolhido .usuario-side .form-inline,
.menu-encolhido .btn-home-side span { display: none; }
.menu-encolhido .nav-grupo { margin: var(--sp-2) var(--sp-2) 0; padding: 0; height: 1px; background: var(--border); pointer-events: none; }
.menu-encolhido .nav-subitens { display: flex; padding-left: 0; }
.menu-encolhido .nav-item { justify-content: center; padding: 9px 0; }
.menu-encolhido .usuario-side { justify-content: center; }
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 9px var(--sp-3);
  border-radius: var(--raio-8);
  color: var(--text);
  font-size: var(--fs-sm);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nav-item i { font-size: 18px; color: var(--text-dim); flex-shrink: 0; }
.nav-item:hover { background: var(--surface-2); text-decoration: none; }
.nav-item.ativo { background: var(--accent-suave); color: var(--accent-texto); font-weight: 600; }
.nav-item.ativo i { color: var(--accent-texto); }
:root[data-theme="dark"] .nav-item.ativo { background: var(--accent-soft); color: var(--text); }
:root[data-theme="dark"] .nav-item.ativo i { color: var(--accent); }

/* Rodapé da sidebar */
.sidebar-rodape {
  border-top: 1px solid var(--border);
  padding: var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.btn-home-side {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  height: 38px;
  border-radius: var(--raio-8);
  background: linear-gradient(135deg, var(--accent-hover), var(--accent-escura));
  color: #fff;
  font-size: var(--fs-sm);
  font-weight: 600;
}
.btn-home-side:hover { text-decoration: none; filter: brightness(1.06); }
.usuario-side {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  min-width: 0;
}
.avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  flex-shrink: 0;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent-hover), var(--accent-escura));
  color: #fff;
  font-weight: 700;
  font-size: var(--fs-sm);
}
.usuario-info { flex: 1; min-width: 0; line-height: 1.25; }
.usuario-nome { font-size: var(--fs-sm); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.usuario-perfil { font-size: var(--fs-xs); color: var(--text-dim); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Alça de redimensionar */
.sidebar-alca {
  position: absolute;
  top: 0; right: -3px;
  width: 6px; height: 100%;
  cursor: col-resize;
  z-index: 31;
}
.sidebar-alca:hover, body.redimensionando .sidebar-alca { background: var(--accent-soft); }
body.redimensionando { cursor: col-resize; user-select: none; }

/* ---------- Área principal ---------- */
.main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 0 var(--sp-5);
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
}
.tb-titulo {
  flex: 1;
  min-width: 0;
  font-family: var(--font-titulo);
  font-size: var(--fs-lg);
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tb-acoes { display: flex; align-items: center; gap: var(--sp-2); }
.topbar .tb-menu { display: none; }

.pagina {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  padding: var(--sp-6) var(--sp-5) 50px;
}
.pagina > * { min-width: 0; }

.sidebar-fundo { display: none; }

/* ---------- Responsivo ---------- */
@media (max-width: 880px) {
  .sidebar {
    position: fixed;
    left: 0; top: 0;
    transform: translateX(-100%);
    transition: transform .2s ease;
    box-shadow: var(--shadow);
  }
  body.menu-aberto .sidebar { transform: translateX(0); }
  body.menu-aberto .sidebar-fundo {
    display: block;
    position: fixed; inset: 0;
    background: rgba(0, 0, 0, .4);
    z-index: 25;
  }
  .sidebar-alca, .sidebar .sidebar-encolher { display: none; }
  .topbar .tb-menu { display: inline-grid; }
}

@media (max-width: 720px) {
  .topbar { padding: 0 var(--sp-4); }
  .pagina { padding: var(--sp-5) var(--sp-4) 40px; gap: var(--sp-4); }
}

@media (max-width: 520px) {
  .pagina { padding: var(--sp-4) var(--sp-3) 32px; }
  .tb-titulo { font-size: var(--fs-base); }
}

/* Busca de tela no topo do menu */
.sidebar-busca { position: relative; padding: 0 var(--sp-3) var(--sp-2); }
.sidebar-busca i { position: absolute; left: calc(var(--sp-3) + 11px); top: 50%; transform: translateY(calc(-50% - 4px)); color: var(--text-dim); font-size: 16px; pointer-events: none; }
.sidebar-busca .input { height: 36px; padding-left: 34px; background: var(--surface-2); border-color: transparent; font-size: var(--fs-sm); }
.sidebar-busca .input:focus { background: var(--surface); }
.nav-secao.buscando .nav-subitens { display: flex; }
.nav-secao.buscando .nav-seta { transform: rotate(90deg); }
.nav-vazio { padding: var(--sp-3); font-size: var(--fs-sm); color: var(--text-dim); }

/* Nome do sistema: cabe em duas linhas, fonte menor */
.sidebar-marca span:last-child { font-size: 14px; line-height: 1.2; white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
@media (min-width: 881px) { .menu-encolhido .sidebar-busca { display: none; } }