body {
    background: #020817;
    font-family: Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

button {
    cursor: pointer;
}

#sidebar {
    width: 5rem;
}

#sidebar.sidebar-open {
    width: 18rem;
}

#sidebar.sidebar-collapsed {
    width: 5rem;
}

#toggleSidebar {
    width: 2.75rem;
    height: 2.75rem;
    font-size: 1.3rem;
    transition: all 0.25s ease;
}

#sidebar.sidebar-open #toggleSidebar {
    width: 2.25rem;
    height: 2.25rem;
    font-size: 1.1rem;
}

#mainContent {
    margin-left: 5rem;
}

#mainContent.main-content-expanded {
    margin-left: 18rem;
}

#mainContent.main-content-collapsed {
    margin-left: 5rem;
}

.nav-label {
    opacity: 0;
    visibility: hidden;
    transform: translateX(-8px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
}

.sidebar-open .nav-label,
.sidebar-open .nav-item .nav-label {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.nav-item {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.75rem;
    width: 100%;
}

.sidebar-collapsed .nav-item {
    justify-content: center;
    gap: 0;
    padding-left: 0.25rem;
    padding-right: 0.25rem;
}

.sidebar-collapsed .nav-item > span:first-child {
    margin: 0 auto;
}

.sidebar-collapsed .nav-item .nav-label {
    display: none;
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.5);
    border-radius: 9999px;
}