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svg{width:16px;height:16px}.tree-chevron.empty{cursor:default;position:relative}.tree-chevron.empty:hover{background:transparent}.tree-chevron.empty:before{content:"";width:4px;height:4px;border-radius:50%;background:var(--very-quiet)}.tree-title{flex:1;min-width:0;padding:0;color:var(--text);background:transparent;font-size:14px;text-align:left;text-decoration:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;cursor:pointer;transition:text-shadow .2s ease-out,color .2s ease-out}.tree-title:hover{text-shadow:0 0 12px rgba(168,85,247,.4)}.tree-title.open{color:var(--accent);text-shadow:0 0 12px rgba(168,85,247,.35)}.tree-detail{display:grid;gap:4px;margin:2px 0 6px;padding:8px 12px;border-left:2px solid var(--border-accent);background:#a855f70a;border-radius:0 6px 6px 0;font-size:13px;line-height:1.5}.tree-detail-notes{color:var(--text)}.tree-detail-brief{color:var(--muted);font-size:12px}.tree-detail-brief .mono{color:var(--text)}.tree-plus{display:grid;place-items:center;width:24px;height:24px;border-radius:6px;color:var(--very-quiet);cursor:pointer;opacity:0;flex-shrink:0;transition:opacity .2s ease-out,color .2s ease-out,background .2s ease-out}.tree-row:hover .tree-plus{opacity:1}.tree-plus:hover{color:var(--accent);background:#a855f71a}.tree-plus svg{width:14px;height:14px}.layer-badge{display:inline-flex;align-items:center;flex-shrink:0;padding:2px 8px;border:1px solid rgba(168,85,247,.22);border-radius:4px;background:#a855f712;color:#d8c5f5;font-family:JetBrains Mono,monospace;font-weight:600;letter-spacing:.1em;line-height:1;text-transform:uppercase}.layer-system{font-size:11px;padding:3px 9px}.layer-segment{font-size:10px;opacity:.95}.layer-phase{font-size:10px;opacity:.85}.layer-task{font-size:10px;opacity:.75;padding:2px 7px}.tree-empty-add{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:26px;border:1px dashed var(--border-accent);border-radius:10px;background:transparent;color:var(--muted);cursor:pointer;font-size:14px;transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out}.tree-empty-add:hover{background:#a855f70d;color:var(--text);border-color:var(--accent);box-shadow:0 0 24px #a855f71f}.empty{padding:28px 0;color:var(--quiet);font-size:14px}.error-text{color:var(--error);font-size:13px}.row-between{display:flex;align-items:center;justify-content:space-between;gap:12px}.stack{display:grid;gap:12px}.cluster{display:flex;align-items:center;gap:10px;flex-wrap:wrap}@media (max-width: 1120px){:root{--sidebar-w: 190px}.work-strip{grid-template-columns:1fr;gap:10px;padding:16px 24px}.page{padding:30px 24px 96px}}@media (max-width: 760px){.app-shell{display:block}.sidebar{position:sticky;top:0;z-index:30;min-height:auto;flex-direction:column;padding:14px 16px;border-right:0;border-bottom:1px solid var(--border)}.work-strip{position:static}.page{padding:26px 16px 96px}.detail-grid-2{grid-template-columns:1fr}}