.tree-page{background:var(--bg);min-height:100vh;font-family:var(--sans);color:var(--ink);padding:64px 24px 96px}.tree-hero{text-align:center;max-width:720px;margin:0 auto 56px}.tree-trunk{flex-direction:column;align-items:center;margin-bottom:28px;display:flex}.tree-trunk-mark{font-family:var(--serif);letter-spacing:-.02em;color:var(--ink);font-size:clamp(48px,7vw,80px);font-weight:500;line-height:1}.tree-trunk-dot{color:var(--brand-dot);font-weight:700}.tree-trunk-line{background:linear-gradient(to bottom, var(--ink-2), var(--line));width:1px;height:56px;margin-top:10px;display:block}.tree-intro-title{font-family:var(--serif);letter-spacing:-.015em;margin-bottom:14px;font-size:clamp(24px,3vw,32px);font-weight:500}.tree-intro-body{color:var(--ink-2);max-width:580px;margin-bottom:24px;margin-left:auto;margin-right:auto;font-size:15px;line-height:1.6}.tree-legend{flex-wrap:wrap;justify-content:center;gap:18px;font-size:12px;display:flex}.tree-legend-item{color:var(--ink-3);align-items:center;gap:6px;display:inline-flex}.tree-legend-dot{border-radius:50%;width:8px;height:8px}.tree-legend-label{letter-spacing:.02em}.tree-main{max-width:1200px;margin:0 auto;position:relative}.tree-grid:before{content:"";background:var(--line-2);height:1px;position:absolute;top:0;left:10%;right:10%}.tree-grid{grid-template-columns:repeat(5,1fr);gap:18px;padding-top:0;display:grid;position:relative}.tree-col{flex-direction:column;padding-top:16px;display:flex;position:relative}.tree-col:before{content:"";background:var(--line-2);width:1px;height:16px;position:absolute;top:0;left:50%}.tree-cat{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);text-align:center;box-shadow:var(--shadow-sm);margin-bottom:12px;padding:16px 14px}.tree-cat-label{font-family:var(--serif);letter-spacing:-.01em;color:var(--ink);margin-bottom:4px;font-size:18px;font-weight:500}.tree-cat-blurb{color:var(--ink-3);letter-spacing:.005em;font-size:11px;line-height:1.45}.tree-features{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex;position:relative}.tree-features:before{content:"";background:var(--line-2);opacity:.5;width:1px;position:absolute;top:0;bottom:8px;left:18px}.tree-features li{padding-left:0;position:relative}.tree-node{text-align:left;background:var(--surface);border:1px solid var(--line);width:100%;color:var(--ink);cursor:pointer;transition:border-color .18s var(--ease,ease), background .18s var(--ease,ease), transform .18s var(--ease,ease);z-index:1;border-radius:999px;align-items:center;gap:10px;padding:9px 14px 9px 10px;font-family:inherit;font-size:13px;font-weight:500;display:flex;position:relative}.tree-node:hover{border-color:var(--ink-2);transform:translate(2px)}.tree-node:focus-visible{outline:2px solid var(--brand-dot);outline-offset:2px}.tree-node-dot{width:10px;height:10px;box-shadow:0 0 0 2px var(--surface);border-radius:50%;flex-shrink:0}.tree-node-label{letter-spacing:-.005em}.tree-node--planned,.tree-node--exploring{background:0 0}.tree-node--exploring .tree-node-label{color:var(--ink-2)}.tree-node--pruned{opacity:.55;background:0 0;border-style:dashed}.tree-node--pruned .tree-node-label{text-decoration:line-through;-webkit-text-decoration-color:var(--ink-4);text-decoration-color:var(--ink-4)}.tree-modal-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;animation:tree-fade-in .2s var(--ease,ease) both;background:#13131352;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.tree-modal{background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);width:100%;max-width:460px;animation:tree-pop .22s var(--ease,ease) both;padding:28px 28px 32px}@keyframes tree-fade-in{0%{opacity:0}to{opacity:1}}@keyframes tree-pop{0%{opacity:0;transform:scale(.97)translateY(6px)}to{opacity:1;transform:scale(1)translateY(0)}}.tree-modal-head{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.tree-modal-status{letter-spacing:.16em;text-transform:uppercase;font-size:11px;font-weight:600}.tree-modal-close{color:var(--ink-3);cursor:pointer;background:0 0;border:0;border-radius:999px;justify-content:center;align-items:center;padding:6px;display:inline-flex}.tree-modal-close:hover{color:var(--ink);background:var(--surface-2)}.tree-modal-title{font-family:var(--serif);letter-spacing:-.015em;color:var(--ink);margin-bottom:12px;font-size:28px;font-weight:500}.tree-modal-body{color:var(--ink-2);font-size:15px;line-height:1.6}.tree-footer{text-align:center;color:var(--ink-4);border-top:1px solid var(--line);max-width:720px;margin-top:80px;margin-left:auto;margin-right:auto;padding:24px 0 0;font-size:12px}.tree-footer-mark{color:var(--ink-3);font-family:var(--mono,ui-monospace, monospace)}@media (max-width:900px){.tree-grid{grid-template-columns:repeat(2,1fr)}.tree-grid:before,.tree-col:before{display:none}.tree-features:before{left:16px}}@media (max-width:540px){.tree-page{padding:48px 16px 64px}.tree-grid{grid-template-columns:1fr;gap:24px}.tree-trunk-line{height:36px}.tree-modal{padding:24px 22px 28px}.tree-modal-title{font-size:24px}}