#mindmap-modal { 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    background: #0b0f19; 
    z-index: 99999; 
    display: none; 
    flex-direction: column; 
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; 
}
.mm-header { 
    position: relative; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    padding: 20px 20px 15px 20px; 
    border-bottom: 1px solid rgba(255,255,255,0.03); 
    background: #0b0f19; 
    z-index: 10; 
}
.mm-title { 
    font-size: 13px; 
    font-weight: 600; 
    color: #94a3b8; 
    letter-spacing: 1.5px; 
}
.mm-scroll-area { 
    flex: 1; 
    overflow-y: auto; 
    overflow-x: hidden; 
    padding: 10px 20px 160px 20px; 
    -webkit-overflow-scrolling: touch; 
}
.tree { 
    display: flex; 
    flex-direction: column; 
}
.street-node { 
    position: relative; 
    padding-left: 16px; 
    padding-bottom: 8px; 
}
.street-node::before { 
    content: ''; 
    position: absolute; 
    left: 0; 
    top: 14px; 
    bottom: -14px; 
    width: 1px; 
    background: rgba(255,255,255,0.06); 
}
.street-node:last-child::before { 
    bottom: 0; 
}
.street-title { 
    font-size: 14px; 
    font-weight: 600; 
    color: #e2e8f0; 
    margin-bottom: 12px; 
    display: flex; 
    align-items: center; 
    gap: 8px; 
    cursor: pointer; 
    user-select: none; 
    padding: 4px 0; 
}
.street-title::before { 
    content: ''; 
    position: absolute; 
    left: -3px; 
    width: 7px; 
    height: 7px; 
    border-radius: 50%; 
    background: #64748b; 
    border: 2px solid #0b0f19; 
    transition: all 0.2s; 
}
.street-node[data-street="Logic"] .street-title::before { 
    background: #94a3b8; 
    box-shadow: 0 0 8px rgba(148, 163, 184, 0.3); 
}
.sub-nodes { 
    display: flex; 
    flex-direction: column; 
    gap: 8px; 
    border-left: 1px solid rgba(255,255,255,0.06); 
    margin-left: 3px; 
    padding-left: 14px; 
    margin-bottom: 16px; 
}
.sub-node { 
    position: relative; 
    font-size: 13px; 
    color: #cbd5e1; 
    line-height: 1.5; 
    background: #161b22; 
    padding: 12px 14px; 
    border-radius: 6px; 
    border: 1px solid rgba(255,255,255,0.03); 
    transition: all 0.2s; 
}
.sub-node::before { 
    content: ''; 
    position: absolute; 
    left: -15px; 
    top: 18px; 
    width: 14px; 
    height: 1px; 
    background: rgba(255,255,255,0.08); 
}
.sub-node strong { 
    display: block; 
    font-size: 13px; 
    color: #e2e8f0; 
    margin-bottom: 4px; 
    font-weight: 600;
}
.sub-node span { 
    color: #64748b; 
    font-size: 12px; 
}
.sub-node.warn { 
    background: rgba(239, 68, 68, 0.03); 
    border-color: rgba(239, 68, 68, 0.15); 
}
.sub-node.warn strong { 
    color: #f87171; 
}
.sub-node.warn::before { 
    background: rgba(239, 68, 68, 0.2); 
}
.street-node.collapsed .sub-nodes { 
    display: none; 
}
.street-node.collapsed .street-title { 
    color: #64748b; 
}