.sidebar {
    width: 260px;
    border-right: 1px solid #e0e0e0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.sidebar ul {
    list-style: none;
    flex-grow: 1;
    padding-inline-start: 0;
    margin-top: 0;
    width: 95%;
    padding-right: 0;
}

.sidebar ul li {
    padding: 10px 15px;
    color: #555;
    cursor: pointer;
    position: relative;
    border-radius: 4px;
}

.sidebar ul li.active,
.sidebar ul li:hover {
    color: #000;
    background-color: #e7f3ff;
    font-weight: bold;
    transition-duration: 100ms;
    width: 100%;
    padding-right: 0;
}

.sidebar ul li.active::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    height: 100%;
    width: 4px;
    background-color: #FFA500;
}

@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid #e0e0e0;
    }

    .sidebar ul li {
        text-align: center;
        padding: 15px;
    }

    .sidebar ul li.active::after {
        width: 100%;
        height: 4px;
        top: auto;
        bottom: 0;
        right: 0;
        left: 0;
    }
}