body {
    font-family: 'Roboto', sans-serif;
    background-color: #f5f5f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    padding: 20px;
}

.main-container {
    width: 100%;
    max-width: 1200px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    display: flex;
    overflow: hidden;
}

.left-panel {
    width: 30%;
    border-right: 1px solid #e0e0e0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 20px;
}

.right-panel {
    width: 70%;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.nav-menu ul {
    padding: 0;
    list-style: none;
}

.nav-menu ul li {
    margin-bottom: 10px;
}

.nav-menu ul li a {
    text-decoration: none;
    color: #3f51b5;
    font-weight: 500;
}

.nav-menu ul li a.active {
    font-weight: 700;
    color: #1a237e;
}

.clear-cookies-btn {
    background-color: #3f51b5;
    color: white;
    border: none;
    border-radius: 5px;
    padding: 10px 20px;
    cursor: pointer;
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.clear-cookies-btn:hover {
    background-color: #303f9f;
}

@media (max-width: 768px) {
    .main-container {
        flex-direction: column;
    }
    .left-panel, .right-panel {
        width: 100%;
        border: none;
    }
    .left-panel {
        border-bottom: 1px solid #e0e0e0;
    }
}