/* Seção de Variáveis de Estilo */
:root {
    --sidebar-bg: #2c3e50;
    --sidebar-hover: #34495e;
    --text-light: #ecf0f1;
    --text-gray: #bdc3c7;
    --dropdown-bg: #34495e;
}

/* Seção da Barra Lateral */
.sidebar {
    width: 160px;
    position: fixed;
    top: 0;
    left: 0;
    background: var(--sidebar-bg);
    color: var(--text-light);
    z-index: 2000;
    height: 100dvh;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior-y: contain;
    touch-action: pan-y;
    display: flex;
    flex-direction: column;
    will-change: transform;
}

/* Barra Lateral Colapsada */
.sidebar.collapsed {
    width: 40px;
}

/* Barra de Rolagem da Barra Lateral */
.sidebar::-webkit-scrollbar {
    display: none;
}

/* Elementos Ocultos na Barra Lateral Colapsada */
.sidebar.collapsed .menu-text,
.sidebar.collapsed .search-bar,
.sidebar.collapsed .dropdown,
.sidebar.collapsed .dropdown-toggle {
    display: none;
}

/* Menu na Barra Lateral Colapsada */
.sidebar.collapsed .menu {
    flex-grow: 1;
    overflow-y: auto;
    padding-bottom: 0;
}

/* Itens do Menu na Barra Lateral Colapsada */
.sidebar.collapsed .menu > li {
    display: flex;
    justify-content: center;
    align-items: center; /* Vertically centers */
    margin: 0;
    padding: 0;
    border-radius: 0;
    width: 100%;
    height: 48px;
    overflow: visible;
}

/* Ícones do Menu na Barra Lateral Colapsada */
.sidebar.collapsed .menu i {
    margin: 0; /* Removes margins for centering */
    font-size: 1.2rem;
    width: auto; /* Removes fixed width for centering */
    line-height: 25px; /* Vertically aligns with li height */
}

/* Propriedades de Rolagem para Sidebar e Menu */
.sidebar,
.menu {
    -webkit-overflow-scrolling: touch;
}

/* Botão de Alternância */
.toggle-btn {
    position: absolute;
    right: 5px;
    background: var(--sidebar-bg);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
    padding: 6px;
}

/* Botão de Alternância na Barra Lateral Colapsada */
.sidebar.collapsed .toggle-btn {
    left: 0;
    right: 0;
    margin: 0 auto;
    width: 40px;
}

/* Estilos do Botão de Alternância */
.toggle-btn::before,
.toggle-btn::after,
.toggle-btn span {
    content: '';
    display: block;
    width: 16px;
    height: 2px;
    background: var(--text-light);
    margin: 2px 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Estilos do Botão de Alternância (Colapsado) */
.sidebar.collapsed .toggle-btn::before {
    transform: translateY(0) rotate(0);
}

.sidebar.collapsed .toggle-btn::after {
    transform: translateY(0) rotate(0);
}

.sidebar.collapsed .toggle-btn span {
    opacity: 1;
}

/* Estilos do Botão de Alternância (Expandido) */
.sidebar:not(.collapsed) .toggle-btn::before {
    transform: translateY(6px) rotate(45deg);
}

.sidebar:not(.collapsed) .toggle-btn::after {
    transform: translateY(-6px) rotate(-45deg);
}

.sidebar:not(.collapsed) .toggle-btn span {
    opacity: 0;
}

/* Seção do Perfil */
.profile {
    width: 120px;
}

/* Imagem do Perfil */
.profile img {
    height: 40px !important;
    width: 120px !important;
    padding-bottom: 3px;
}

/* Imagem do Perfil na Barra Lateral Colapsada */
.sidebar.collapsed profile img {
    display: none;
}

/* Seção do Menu */
.menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    margin: 0;
    flex-grow: 1;
    overflow-y: auto;
}

/* Hover no Item do Menu */
.menu li:hover {
    background: var(--sidebar-hover);
}

/* Ícones do Menu */
.menu i {
    margin-right: 10px;
    font-size: 1.2rem;
    width: 24px;
}

/* Item do Menu */
.menu-item {
    position: relative;
}

/* Cabeçalho do Menu */
.menu-header {
    display: flex;
    margin-left: 20px;
    padding: 10px;
    overflow: hidden;
}

/* Cabeçalho do Menu na Barra Lateral Colapsada */
.sidebar.collapsed .menu-header {
    display: flex;
    margin-left: 0;
    margin-right: 0;
    margin-top: 0;
    margin-bottom: 0;
    padding-right: 0;
    padding-left: 0;
}

/* Hover no Cabeçalho do Menu */
.menu-header:hover {
    background: var(--sidebar-hover);
}

/* Seção do Dropdown */
.dropdown {
    list-style: none;
    padding: 0;
    margin: 0;
    background: var(--dropdown-bg);
    display: block;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.6s ease-out, opacity 0.9s;
    opacity: 0;
    visibility: hidden;
}

/* Dropdown Aberto */
.dropdown.open {
    max-height: 100dvh;
    opacity: 1;
    visibility: visible;
    transition: max-height 2.5s ease, opacity 0.9s ease;
}

/* Itens do Dropdown */
.dropdown li {
    display: block;
    padding: 8px 30px;
    margin: 0;
    overflow: visible;
    white-space: normal;
    text-overflow: clip;
}

/* Link do Dropdown */
.dropdown-item {
    text-decoration: none;
    color: var(--text-light);
    display: block;
    font-size: 0.9rem;
    visibility: visible;
    opacity: 1;
}

/* Hover no Link do Dropdown */
.dropdown-item:hover {
    background: var(--sidebar-hover);
}

/* Dropdown na Barra Lateral Colapsada */
.sidebar.collapsed .dropdown {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    height: 0 !important;
    pointer-events: none !important;
}

/* Seção do Overlay */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: transparent; /* or rgba(0, 0, 0, 0.1) if you want to darken */
    z-index: 998; /* Below the sidebar (which should have a higher z-index) */
    display: none;
}

/* Seção de Media Queries */
@media (max-width: 768px) {
    .sidebar {
        width: 40px;
    }

    .sidebar:not(.collapsed) {
        width: 160px;
    }

    .sidebar.collapsed ~ .main-content {
        margin-left: 40px;
    }

    .main-content {
        margin-left: 40px;
    }

    .dropdown {
        max-height: 0;
        opacity: 0;
        display: block !important;
    }
}