.coop-sidebar {
    position: sticky;
    top: 1.5rem;
    align-self: start;
    background: none;
    border: none;
    padding-top:0;
}

.coop-sidebar-inner {
    background: var(--coop-surface);
    border: 1px solid var(--coop-border);
    border-radius: var(--coop-radius);
    padding: 1rem 1.125rem;
    box-shadow: var(--coop-shadow-sm);
}

.coop-sidebar-label {
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    color: var(--coop-text-faint);
    margin-bottom: 0.875rem;
}

.coop-vnav {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
    border-left: 2px solid var(--coop-border);
    margin-left: 0.375rem;
}

.coop-vnav-item {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
    padding-left: calc(var(--depth, 0) * 0.75rem);
    position: relative;
}

.coop-vnav-item::before {
    content: '';
    position: absolute;
    left: -2px;
    top: 50%;
    width: calc(var(--depth, 0) * 0.75rem + 0.5rem);
    height: 1px;
    background: var(--coop-border);
    transform: translateY(-50%);
    pointer-events: none;
}

.coop-vnav-link {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.3rem 0.5rem;
    font-size: 0.8125rem;
    line-height: 1.4;
    color: var(--coop-text-muted);
    text-decoration: none;
    border-radius: 0.25rem;
    transition: color var(--coop-transition), background var(--coop-transition);
    flex: 1;
    min-width: 0;
}

.coop-vnav-link:hover {
    color: var(--coop-accent);
    background: var(--coop-accent-dim);
}

.coop-vnav-link:focus-visible {
    outline: 2px solid var(--coop-accent);
    outline-offset: 2px;
}

.coop-vnav-link--root {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--coop-text-muted);
}

.coop-vnav-icon {
    flex-shrink: 0;
    opacity: 0.6;
}

.coop-vnav-arrow {
    flex-shrink: 0;
    opacity: 0.35;
    margin-right: 0.1rem;
}

.coop-vnav-item--current {
    align-items: center;
}

.coop-vnav-item--current .coop-vnav-arrow {
    opacity: 0.7;
    color: var(--coop-accent);
}

.coop-vnav-current {
    display: block;
    padding: 0.3rem 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.4;
    color: var(--coop-accent);
    flex: 1;
    min-width: 0;
    word-break: break-word;
}

.coop-vnav-item--current::before {
    background: var(--coop-accent);
}

@media (max-width: 899px) {
    .coop-sidebar {
        position: static;
        order: -1;
    }

    .coop-sidebar-inner {
        padding: 0.75rem 1rem;
    }

    .coop-sidebar-label {
        display: none;
    }

    .coop-vnav {
        flex-direction: row;
        flex-wrap: wrap;
        border-left: none;
        margin-left: 0;
        gap: 0.1rem;
        align-items: center;
    }

    .coop-vnav-item {
        padding-left: 0;
        flex-shrink: 0;
    }

    .coop-vnav-item::before {
        display: none;
    }

    .coop-vnav-link {
        white-space: nowrap;
        font-size: 0.75rem;
        padding: 0.2rem 0.4rem;
    }

    .coop-vnav-link--root .coop-vnav-icon {
        display: none;
    }

    .coop-vnav-arrow {
        display: none;
    }

    .coop-vnav-item + .coop-vnav-item::after {
        content: '';
        display: block;
        width: 5px;
        height: 8px;
        background: currentColor;
        opacity: 0.2;
        clip-path: polygon(0 0, 100% 50%, 0 100%);
        flex-shrink: 0;
        order: -1;
    }

    .coop-vnav-current {
        font-size: 0.75rem;
        padding: 0.2rem 0.4rem;
        white-space: nowrap;
    }
}