.tubelight-navbar {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 50;
    padding-top: 1.5rem;
    width: auto;
}

.navbar-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    padding: 0.25rem;
    border-radius: 9999px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.nav-item {
    position: relative;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.5rem 1.5rem;
    border-radius: 9999px;
    transition: all 0.3s ease;
    color: rgba(55, 65, 81, 0.8);
    text-decoration: none;
}

.nav-item:hover {
    color: #2563eb;
}

.nav-item.active {
    background-color: rgba(243, 244, 246, 0.8);
    color: #2563eb;
}

.tubelight {
    position: absolute;
    inset: 0;
    width: 100%;
    background-color: rgba(37, 99, 235, 0.05);
    border-radius: 9999px;
    z-index: -1;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.tubelight::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 2rem;
    height: 0.25rem;
    background-color: #2563eb;
    border-radius: 9999px 9999px 0 0;
}

.tubelight::after {
    content: '';
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 3rem;
    height: 1.5rem;
    background-color: rgba(37, 99, 235, 0.2);
    border-radius: 9999px;
    filter: blur(8px);
}

.nav-icon {
    display: none;
}

@media (max-width: 768px) {
    .nav-text {
        display: none;
    }
    
    .nav-icon {
        display: inline-block;
        width: 18px;
        height: 18px;
    }
    
    .nav-item {
        padding: 0.5rem 1rem;
    }
    
    .tubelight-navbar {
        top: auto;
        bottom: 0;
        margin-bottom: 1.5rem;
    }
}