/* Navigation Sidebar */
.claudian-nav-sidebar {
    position: absolute;
    right: 2px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 4px;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.claudian-nav-sidebar.visible {
    opacity: 0.15;
    pointer-events: auto;
}

.claudian-nav-sidebar.visible:hover {
    opacity: 1;
}

.claudian-nav-btn {
    width: 32px;
    height: 32px;
    border-radius: 16px;
    background: var(--background-primary);
    border: 1px solid var(--background-modifier-border);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
}

.claudian-nav-btn:hover {
    background: var(--background-secondary);
    color: var(--text-normal);
    transform: scale(1.05);
}

.claudian-nav-btn svg {
    width: 18px;
    height: 18px;
}

/* Specific button spacing/grouping if needed */
.claudian-nav-btn-top {
    margin-bottom: 4px;
}

.claudian-nav-btn-bottom {
    margin-top: 4px;
}
