.app-shell {
  display: flex;
  min-height: calc(100vh - 64px);
  position: relative;
}

.admin-sidebar {
  width: 268px;
  background-color: var(--navy-900);
  color: var(--white);
  display: flex;
  flex-direction: column;
  padding: 18px 12px;
  position: relative;
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
  box-shadow: 4px 0 20px rgba(6, 16, 33, 0.22);
  z-index: 30;
  flex-shrink: 0;
}

.admin-sidebar.collapsed {
  width: 78px;
  padding: 18px 8px;
}

/* Botão de Setinha na Borda Direita da Sidebar para puxar/recolher */
.sidebar-toggle-handle {
  position: absolute;
  top: 22px;
  right: -15px;
  width: 30px;
  height: 30px;
  border-radius: 9999px;
  background-color: var(--white);
  color: var(--navy-900);
  border: 2px solid var(--navy-900);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
  transition: transform 0.25s ease, background-color 0.2s ease;
  z-index: 40;
}

.sidebar-toggle-handle:hover {
  background-color: #e2e8f0;
  transform: scale(1.1);
}

.admin-sidebar.collapsed .sidebar-toggle-handle svg {
  transform: rotate(180deg);
}

.sidebar-section-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #94a3b8;
  font-weight: 700;
  padding: 0 10px;
  margin-bottom: 10px;
  white-space: nowrap;
  overflow: hidden;
  transition: opacity 0.2s ease;
}

.admin-sidebar.collapsed .sidebar-section-label {
  opacity: 0;
  height: 0;
  margin: 0;
}

/* Lista de Encaixe Vertical (Um em cima do outro) */
.sidebar-dock-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Item de Encaixe inspirado exatamente na imagem enviada */
.sidebar-dock-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 13px;
  width: 100%;
  padding: 13px 16px;
  background-color: rgba(255, 255, 255, 0.04);
  color: #e2e8f0;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Barra inferior branca animada (igual à foto anexada) */
.sidebar-dock-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3.5px;
  background-color: var(--white);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.24s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Hover e Item Ativo (Fundo #24354d + Barra Branca Inferior + Leve Deslizamento) */
.sidebar-dock-item:hover,
.sidebar-dock-item.active {
  background-color: var(--navy-700);
  color: var(--white);
  transform: translateX(4px);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.28);
}

.sidebar-dock-item:hover::after,
.sidebar-dock-item.active::after {
  transform: scaleX(1);
}

.sidebar-dock-item .item-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform 0.22s ease;
}

.sidebar-dock-item:hover .item-icon {
  transform: scale(1.12);
}

.sidebar-dock-item .item-label {
  transition: opacity 0.2s ease;
}

.admin-sidebar.collapsed .sidebar-dock-item {
  justify-content: center;
  padding: 13px 0;
}

.admin-sidebar.collapsed .sidebar-dock-item:hover,
.admin-sidebar.collapsed .sidebar-dock-item.active {
  transform: translateY(-2px);
}

.admin-sidebar.collapsed .sidebar-dock-item .item-label {
  opacity: 0;
  width: 0;
  display: none;
}