:root{--bg: #0f1117;--bg-panel: #161923;--bg-raise: #1e2230;--border: #262b3b;--text: #d7dae3;--text-dim: #8a91a5;--accent: #e8a87c;--accent-dim: #b4805c;--blue: #7ca9e8;--green: #8fd0a0;font-family:SF Mono,ui-monospace,Cascadia Code,Menlo,monospace}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-size:13px}.app{display:flex;flex-direction:column;height:100%}.topbar{display:flex;align-items:center;flex-wrap:wrap;gap:10px 14px;padding:10px 16px;background:var(--bg-panel);border-bottom:1px solid var(--border)}.brand{font-size:17px;font-weight:700;letter-spacing:.5px}.brand-accent{color:var(--accent)}.tagline{color:var(--text-dim);font-size:12px;flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.add-repo{display:flex;align-items:center;gap:6px}.add-repo input{background:var(--bg-raise);border:1px solid var(--border);color:var(--text);border-radius:6px;padding:6px 10px;font:inherit;font-size:12px;width:240px;outline:none}.add-repo input:focus{border-color:var(--accent-dim)}.add-repo input:disabled{opacity:.6}.add-repo button{background:var(--bg-raise);color:var(--accent);border:1px solid var(--accent-dim);border-radius:6px;padding:6px 12px;font:inherit;font-size:12px;cursor:pointer}.add-repo button:hover:not(:disabled){background:#e8a87c1f}.add-repo button:disabled{opacity:.5;cursor:default}.add-repo-status{color:var(--text-dim);font-size:12px}.add-repo-ok{color:var(--green);font-size:12px}.add-repo-error{color:#f0a3ad;font-size:12px;max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.repo-select{background:var(--bg-raise);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:6px 10px;font:inherit}.error-banner{background:#3a1d24;color:#f0a3ad;padding:6px 16px;border-bottom:1px solid #5c2933}.panes{display:grid;grid-template-columns:230px 5px minmax(0,1fr) 5px 420px;flex:1;min-height:0}.panes-dragging{cursor:col-resize;-webkit-user-select:none;user-select:none}.panes-dragging .pane{pointer-events:none}.pane{min-height:0;overflow:hidden;display:flex;flex-direction:column}.pane-tree{background:var(--bg-panel);border-right:1px solid var(--border)}.pane-chat{background:var(--bg-panel);border-left:1px solid var(--border)}.pane-handle{cursor:col-resize;background:transparent;transition:background .15s}.pane-handle:hover,.pane-handle.active{background:var(--accent-dim)}.pane-title{padding:10px 12px;font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--text-dim);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px}.tree{overflow-y:auto;padding:6px 0;flex:1}.tree-empty{padding:14px;color:var(--text-dim)}.tree-row{padding:3px 8px;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tree-row:hover{background:var(--bg-raise)}.tree-dir{color:var(--text-dim)}.tree-caret{display:inline-block;width:12px}.tree-file.active{background:var(--bg-raise);color:var(--accent)}.viewer{display:flex;flex-direction:column;height:100%}.viewer-path{padding:8px 14px;border-bottom:1px solid var(--border);color:var(--text-dim);background:var(--bg-panel)}.viewer-lines{color:var(--accent)}.viewer-empty{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-dim);gap:10px}.viewer-empty-logo{font-size:42px;color:var(--border)}.cited-lines{background:#e8a87c21}.cited-gutter{background:var(--accent);width:3px!important;margin-left:3px}.pane-tabs{display:flex;border-bottom:1px solid var(--border)}.pane-tabs .tab{background:transparent;border:none;border-bottom:2px solid transparent;color:var(--text-dim);font:inherit;font-size:11px;text-transform:uppercase;letter-spacing:1px;padding:10px 14px;cursor:pointer}.pane-tabs .tab:hover{color:var(--text)}.pane-tabs .tab.active{color:var(--accent);border-bottom-color:var(--accent)}.tab-body{flex:1;min-height:0;display:flex;flex-direction:column}.graph{display:flex;flex-direction:column;height:100%}.graph-bar{display:flex;align-items:center;gap:10px;padding:8px 12px;border-bottom:1px solid var(--border);min-height:34px}.graph-hint{color:var(--text-dim);font-size:11px;line-height:1.4}.graph-title{color:var(--accent);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.graph-back{background:var(--bg-raise);border:1px solid var(--border);color:var(--text);border-radius:6px;padding:4px 10px;font:inherit;font-size:11px;cursor:pointer;flex-shrink:0}.graph-back:hover{border-color:var(--accent-dim)}.graph-svg{flex:1;min-height:0;width:100%}.graph-node{cursor:pointer}.graph-node text{fill:var(--text-dim);font-size:10px;font-family:inherit;text-anchor:middle;pointer-events:none}.graph-node:hover text{fill:var(--text)}.graph-dot{fill:var(--bg-raise);stroke:var(--blue);stroke-width:1.5}.graph-dot-class{fill:var(--bg-raise);stroke:var(--green);stroke-width:1.5}.graph-node:hover .graph-dot,.graph-node:hover .graph-dot-class{stroke:var(--accent);fill:#e8a87c26}.graph-empty{flex:1;display:flex;align-items:center;justify-content:center;color:var(--text-dim);padding:20px;text-align:center}.chat{display:flex;flex-direction:column;height:100%}.chat-scroll{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:12px}.chat-hint{color:var(--text-dim);padding:12px;line-height:1.6}.msg{border-radius:10px;padding:10px 12px;line-height:1.55}.msg-user{background:var(--bg-raise);align-self:flex-end;max-width:90%;border:1px solid var(--border)}.msg-assistant{background:transparent;padding:0}.msg-meta{display:flex;gap:6px;margin-bottom:6px}.badge{font-size:10px;text-transform:uppercase;letter-spacing:.7px;padding:2px 7px;border-radius:20px;border:1px solid var(--border);color:var(--text-dim)}.badge-symbol{color:var(--blue);border-color:#2b3b55}.badge-conceptual{color:var(--green);border-color:#2b4534}.badge-cached{color:var(--accent);border-color:#4a3a2d}.badge-warn{color:#e8d47c;border-color:#4a442d}.answer-text{white-space:pre-wrap;margin-bottom:10px}.answer-unavailable{color:var(--text-dim);font-style:italic;margin-bottom:10px}.citation{background:#e8a87c1f;border:1px solid var(--accent-dim);color:var(--accent);border-radius:5px;padding:0 5px;font:inherit;font-size:12px;cursor:pointer}.citation:hover{background:#e8a87c40}.results{display:flex;flex-direction:column;gap:8px}.result-card{background:var(--bg-raise);border:1px solid var(--border);border-radius:8px;padding:8px 10px;cursor:pointer}.result-card:hover{border-color:var(--accent-dim)}.result-head{display:flex;justify-content:space-between;gap:8px}.result-loc{color:var(--accent);font-size:12px}.result-sources{color:var(--text-dim);font-size:11px}.result-symbol{margin:4px 0}.result-kind{color:var(--blue);font-size:11px}.result-snippet{margin:4px 0 0;color:var(--text-dim);font-size:11px;line-height:1.45;overflow:hidden;white-space:pre;text-overflow:ellipsis}.msg-error{color:#f0a3ad}.chat-input{display:flex;gap:8px;padding:10px;border-top:1px solid var(--border)}.chat-input input{flex:1;background:var(--bg-raise);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:9px 12px;font:inherit;outline:none}.chat-input input:focus{border-color:var(--accent-dim)}.chat-input button{background:var(--accent);color:#1a1408;border:none;border-radius:8px;width:40px;font-size:16px;cursor:pointer}.chat-input button:disabled{opacity:.4;cursor:default}.spinner{width:10px;height:10px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}