.version-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    font-weight: 400;
    font-size: 13px;
    background: #2c3e50;
    color: #ecf0f1;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.version-banner .banner-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.version-banner .badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.version-banner.alpha .badge {
    background: #9b59b6;
    color: #ffffff;
}

.version-banner.beta .badge {
    background: #3498db;
    color: #ffffff;
}

.version-banner.stable .badge {
    background: #27ae60;
    color: #ffffff;
}

.version-banner .version-info {
    font-weight: 600;
    font-size: 13px;
    color: #ffffff;
    padding: 2px 8px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}

.version-banner .desc-text {
    font-weight: 400;
}

.version-banner .version-switcher {
    display: flex;
    gap: 5px;
    align-items: center;
}

.version-banner .version-switcher::before {
    content: '|';
    margin: 0 8px;
    opacity: 0.3;
}

.version-banner .version-link {
    color: #ecf0f1;
    text-decoration: none;
    padding: 4px 10px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.08);
    font-weight: 400;
    font-size: 12px;
    transition: all 0.2s;
}

.version-banner .version-link:hover {
    background: rgba(255, 255, 255, 0.15);
}

.version-banner .version-link.current {
    background: rgba(255, 255, 255, 0.2);
    font-weight: 500;
}

/* Adjust main content to account for banner */
body.has-version-banner {
    padding-top: 40px;
}

body.has-version-banner .sidebar {
    top: 40px;
    height: calc(100vh - 40px);
}

body.has-version-banner .page-wrapper {
    margin-top: 40px;
}