/* Shared family tree styles (PROTOTYPE) - tree rules copied from index.html */
.tree-section { background: var(--white); padding: 1.5rem 3rem; border-bottom: 1px solid var(--sand); }
.tree-section-inner { max-width: 1100px; margin: 0 auto; }
.tree-details > summary {
  cursor: pointer; list-style: none; display: inline-flex; align-items: center; gap: 0.75rem;
  font-family: 'Jost', sans-serif; font-size: 0.72rem; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--ocean);
  padding: 0.5rem 1.2rem; border: 1px solid var(--sand);
}
.tree-details > summary::-webkit-details-marker { display: none; }
.tree-details > summary::before { content: '+'; font-family: monospace; }
.tree-details[open] > summary::before { content: '\2212'; }
.tree-details > summary:hover { border-color: var(--sage); color: var(--sage); }
.tree-legend { margin: 1.5rem 0 1rem; font-size: 0.85rem; color: var(--text-light); font-family: 'Jost', sans-serif; line-height: 1.7; }
.tree-legend .legend-name { color: var(--ocean); font-weight: 600; font-family: 'Cormorant Garamond', serif; font-size: 1rem; }
.tree-legend .legend-key { font-family: monospace; border: 1px solid var(--sand); padding: 0 3px; font-size: 0.8rem; }
.tree-full-link { margin-top: 1rem; font-size: 0.78rem; letter-spacing: 0.08em; }
.tree-full-link a, .back-to-tree a { color: var(--sage); text-decoration: none; }
.tree-full-link a:hover, .back-to-tree a:hover { color: var(--ocean); }
.back-to-tree { margin-top: 2rem; text-align: center; font-size: 0.72rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; }

#tree-container { max-width: 1100px; margin: 0 auto; text-align: left; overflow-x: auto; }
.tree-root { display: flex; flex-direction: column; align-items: flex-start; padding: 1rem 0; }
.tree-node { position: relative; margin: 0; }
.tree-node-inner { display: flex; align-items: center; gap: 0.5rem; padding: 0.28rem 0; }
.tree-toggle { display: inline-flex; align-items: center; justify-content: center; width: 16px; height: 16px; border: 1px solid var(--sand); background: var(--white); color: var(--text-light); font-size: 0.65rem; cursor: pointer; flex-shrink: 0; transition: background 0.15s, border-color 0.15s; line-height: 1; padding: 0; }
.tree-toggle:hover { background: var(--foam); border-color: var(--sage); }
.tree-label { font-family: 'Cormorant Garamond', serif; font-size: 1rem; font-weight: 400; color: var(--text); line-height: 1.3; cursor: default; }
.tree-label.emigrant { color: var(--ocean); font-weight: 600; cursor: pointer; border-bottom: 1px solid transparent; transition: border-color 0.15s; }
.tree-label.emigrant:hover { border-bottom-color: var(--sage); }
.tree-dates { font-family: 'Jost', sans-serif; font-size: 0.72rem; color: var(--text-light); letter-spacing: 0.02em; }
.tree-origin { font-family: 'Jost', sans-serif; font-size: 0.68rem; color: var(--sage); letter-spacing: 0.06em; text-transform: uppercase; }
.tree-children { padding-left: 1.8rem; border-left: 1px solid var(--sand); margin-left: 0.5rem; }
.tree-children.hidden { display: none; }
.tree-ship { font-size: 0.85rem; flex-shrink: 0; cursor: default; }

@media (max-width: 768px) {
  .tree-section { padding: 1.2rem 1.5rem; }
  .tree-origin { display: none; }
  .tree-label { font-size: 0.9rem; }
  .tree-dates { font-size: 0.68rem; }
  .tree-children { padding-left: 1.2rem; }
}
@media (max-width: 480px) { .tree-section { padding: 1rem 1.2rem; } }