.quick-nav {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    background: rgba(13, 46, 73, 0.9);
    border-radius: 2rem;
    padding: 1rem 0.5rem;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.quick-nav.visible {
    opacity: 1;
    visibility: visible;
}

.quick-nav-item {
    display: block;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin: 0.5rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light-gray);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.quick-nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
    transform: scale(1.1);
}

.quick-nav-item.active {
    background: var(--accent-blue);
    color: white;
    box-shadow: 0 0 15px rgba(var(--accent-blue-rgb), 0.5);
}

.quick-nav-item::after {
    content: attr(data-tooltip);
    position: absolute;
    right: 100%;
    margin-right: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    transform: translateX(10px);
}

.quick-nav-item:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}