body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #121212;
    color: #fff;
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 250px;
    height: 100%;
    background-color: #1f1f1f;
    transition: width 0.3s ease;
    overflow: hidden;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background-color: #333;
}

.sidebar-header h3 {
    margin: 0;
    font-size: 18px;
    white-space: nowrap;
}

.sidebar .toggle-btn {
    background: none;
    border: none;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
}

.sidebar ul.menu {
    list-style-type: none;
    padding: 0;
    margin: 20px 0;
}

.sidebar ul.menu li {
    padding: 15px;
    display: flex;
    align-items: center;
    transition: background 0.3s;
}

.sidebar ul.menu li:hover {
    background-color: #333;
}

.sidebar ul.menu li a {
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    width: 100%;
}

.sidebar ul.menu li .icon {
    margin-right: 15px;
    font-size: 20px;
}

.sidebar ul.menu li .text {
    white-space: nowrap;
}

.sidebar-footer {
    position: absolute;
    bottom: 10px;
    width: 100%;
    display: flex;
    align-items: center;
    padding: 15px;
    background-color: #333;
}

.profile-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-right: 10px;
}

.profile-name {
    flex-grow: 1;
}

.settings-btn {
    background: none;
    border: none;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
}