.tree-intro{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:end}.tree-intro h1{font-size:clamp(3.3rem,7vw,6.4rem)}.tree-intro p{max-width:760px}.tree-intro-actions{padding-bottom:8px}.tree-shell{width:min(1500px,calc(100% - 32px));height:min(76vh,900px);min-height:620px;margin:34px auto 0;background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden;position:relative}.topola-frame{width:100%;height:100%;border:0;background:#fff}.tree-error-message{display:none;position:absolute;inset:0;align-items:center;justify-content:center;flex-direction:column;gap:6px;text-align:center;padding:28px;background:var(--paper);color:var(--ink)}.tree-error-message span{color:var(--muted)}.tree-shell.tree-error .topola-frame{display:none}.tree-shell.tree-error .tree-error-message{display:flex}.tree-notes{display:grid;grid-template-columns:1fr 1fr;gap:22px}.tree-note-card{background:var(--white);border:1px solid var(--line);padding:28px}.tree-note-card h2{font-size:2.2rem;margin:.15em 0 .35em}.tree-note-card p{color:var(--muted);margin:0}.tree-fullscreen .tree-intro,.tree-fullscreen .tree-notes,.tree-fullscreen .site-footer{display:none}.tree-fullscreen .tree-shell{width:100%;height:calc(100vh - 76px);min-height:0;margin:0;border:0;box-shadow:none}@media(max-width:800px){.tree-intro{grid-template-columns:1fr}.tree-intro-actions{padding-bottom:0}.tree-shell{width:100%;height:72vh;min-height:540px;border-left:0;border-right:0}.tree-notes{grid-template-columns:1fr}}