/* Sidebar */
.sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    background: var(--primary-dark);
    overflow-y: auto;
    z-index: 1000;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar-header {
    padding: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    color: var(--primary-color);
    font-weight: 600;
}

.sidebar-brand i {
    margin-right: 0.5rem;
}

.sidebar-menu {
    padding: 1rem 0;
}

.sidebar-menu .nav-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: var(--text-on-primary);
    position: relative;
}

.sidebar-menu .nav-link:hover {
    background: rgba(255,255,255,0.1);
}

.sidebar-menu .nav-link.active {
    background: rgba(255,255,255,0.05);
    border-left: 3px solid var(--primary-color);
    padding-left: calc(1rem - 3px);
}

.sidebar-menu .nav-link i {
    margin-right: 0.75rem;
    min-width: 20px;
}

.sidebar-menu .submenu-list {
    padding-left: 1rem;
}

.sidebar-menu .submenu-list .nav-link {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 400;
}

.sidebar-footer {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 1rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    background: var(--primary-dark);
}

.sidebar-user-info {
    display: flex;
    align-items: center;
    padding: 0.5rem;
    background: rgba(255,255,255,0.05);
    border-radius: 0.5rem;
}

.sidebar-user-info i {
    margin-right: 0.75rem;
    color: var(--primary-color);
}

.sidebar-user-details .user-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--primary-color);
}

.sidebar-user-details .user-role {
    font-size: 0.8rem;
    color: var(--primary-color);
    opacity: 0.8;
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
}

@media (min-width: 769px) {
    .sidebar.collapsed .sidebar-brand-text,
    .sidebar.collapsed .nav-link span {
        display: none;
    }
    
    .sidebar.collapsed .submenu-list {
        display: none;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        z-index: 1050;
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
}