.app-container {
    display: flex;
    min-height: calc(100vh - 60px);
}

.sidebar {
    width: 230px;
    flex-shrink: 0;
    background: #fff;
    border-right: 1px solid #e5e5e5;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

    .sidebar.collapsed {
        width: 0;
        overflow: hidden;
        border: none;
    }

.sidebar-brand {
    padding: 15px;
    font-weight: 700;
    text-decoration: none;
    color: #333;
    border-bottom: 1px solid #eee;
}

.sidebar-link {
    padding: 12px 15px;
    text-decoration: none;
    color: #333;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

    .sidebar-link:hover {
        background: #f5f5f5;
    }

    .sidebar-link.active {
        background: #e7f1ff;
        color: #0d6efd;
        font-weight: 600;
        border-left: 3px solid #0d6efd;
    }

.sidebar-sublink {
    display: block;
    padding: 8px 15px;
    text-decoration: none;
    color: #555;
    font-size: 14px;
}

    .sidebar-sublink:hover {
        background: #f2f2f2;
    }

    .sidebar-sublink.active {
        color: #0d6efd;
        font-weight: 500;
    }

.app-content {
    flex-grow: 1;
    background: #f8f9fa;
    transition: all 0.3s ease;
}

    .app-content.expanded {
        margin-left: 0;
    }