/* --- Dynamic Roadmap Navigator --- */
.roadmap-timeline-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}

.roadmap-timeline-tree {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: relative;
    padding-left: 10px;
}

.roadmap-timeline-node {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none !important;
    color: var(--text-secondary);
    padding: 6px 0;
    transition: color 0.15s ease;
}

.roadmap-timeline-node::before {
    content: '○';
    color: var(--text-muted);
    font-size: 0.85rem;
    z-index: 2;
    transition: color 0.15s ease;
}

.roadmap-timeline-node:hover {
    color: var(--color-primary);
}

.roadmap-timeline-node:hover::before {
    content: '●';
    color: var(--color-primary);
}

.roadmap-timeline-node-title {
    font-weight: 600;
    font-size: 0.95rem;
}

.roadmap-timeline-node-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-left: 4px;
}

.roadmap-timeline-connector {
    width: 1px;
    height: 16px;
    background: var(--border-color);
    margin-left: 4px;
    z-index: 1;
}