header {
    padding: 20px;
    background-color: #ffffff;
    border-bottom: 1px solid #F2F2F2;
    position: fixed;
    top: 0; 
    width: 97%; 
    z-index: 1000; 
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1120px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: 500;
    font-size: 18px;
    color: #171C24;
    margin-left: 0;
}

.logo-img {
    width: 35px;
    margin-right: 2.5px;
}
.version-number {
    font-size: 10px;
    font-family: system-ui, -apple-system;
    font-weight: 550;
    color: #697483;
    background-color:#ECF0F5;
    padding: 1px 4px;
    border-radius: 3px; 
    margin-right: 40.5rem;
    margin-bottom: -3px;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 25px;
    margin: 0;
    padding: 0;
}

nav ul li a {
    text-decoration: none;
    color: #697483;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s;
}

nav ul li a.active {
    color: #BEC7D5;
}

nav ul li a:not(.disabled):hover {
    color: #272B2F;
}

nav ul li a.disabled {
    color: #BEC7D5;
    pointer-events: none;
    cursor: default;
}