.tree-folder {
    cursor: pointer;
    user-select: none;
}

.tree-folder:hover {
    background: rgba(255, 255, 255, 0.05);
}

.tree-children {
    margin-left: 1rem;
    display: none;
}

.tree-children.open {
    display: block;
}

.tree-file {
    cursor: pointer;
}

.tree-file:hover {
    color: #0190b3;
}

.tree-active {
    color: #0190b3;
    font-weight: 500;
}


.sidebar {
    width: 300px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    padding: 20px 0;
    overflow-y: auto;
    flex-shrink: 0;
}

.sidebar ul {
    list-style: none;
}

.sidebar .menu-title {
    color: #64748b;
    font-size: 12px;
    text-transform: uppercase;
    font-weight: bold;
    padding: 10px 20px 5px;
    letter-spacing: 1px;
}

.sidebar a {
    display: block;
    padding: 10px 20px;
    color: var(--text-main);
    text-decoration: none;
    font-size: 15px;
    border-left: 3px solid transparent;
    transition: 0.2s;
}

.sidebar a:hover,
.sidebar a.active {
    background-color: rgba(0, 210, 255, 0.05);
    color: var(--cyan);
    border-left: 3px solid var(--cyan);
}

.sidebar i {
    width: 20px;
    margin-right: 10px;
}