.tree-wrapper {
    position: relative;
    overflow: auto;
    padding: 40px;
    background: #f9f9fb;
    border-radius: 16px;
}

#tree-lines {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 0;
}

.person-card {
    position: absolute;
    width: 160px;
    padding: 12px;
    border-radius: 16px;
    background: white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    text-align: center;
    z-index: 2;
    transition: transform 0.2s ease;
}

.person-card:hover {
    transform: scale(1.05);
}

.person-card.M {
    border-top: 4px solid #4a90e2;
}

.person-card.F {
    border-top: 4px solid #e26a8d;
}

.person-photo {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 8px;
}

.name {
    font-weight: 600;
    font-size: 14px;
}