:root{--bg: #14161a;--bg-panel: #1c1f26;--bg-card: #22262f;--fg: #d9dde4;--fg-dim: #8a93a3;--accent: #6ea8fe;--accent-dim: #2a3b57;--danger: #e5787f;--audit-fg: #525966;--audit-mark: #6a6348;--border: #313745;--radius: 8px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font-family:ui-sans-serif,system-ui,sans-serif;font-size:14px}.app{max-width:1080px;margin:0 auto;padding:1rem}header{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;padding-bottom:.75rem;border-bottom:1px solid var(--border);margin-bottom:1rem}header h1{font-size:1.2rem;margin:0;letter-spacing:.05em;color:var(--accent)}nav{display:flex;gap:.25rem}.tab{background:none;border:1px solid transparent;color:var(--fg-dim);padding:.35rem .9rem;border-radius:var(--radius);cursor:pointer;font-size:.95rem}.tab-active{color:var(--fg);background:var(--bg-card);border-color:var(--border)}.filters{display:flex;gap:.5rem;margin-left:auto}input,select{background:var(--bg-panel);color:var(--fg);border:1px solid var(--border);border-radius:var(--radius);padding:.4rem .6rem;font-size:.9rem;min-width:0}input:focus,select:focus{outline:1px solid var(--accent)}.btn{border:1px solid var(--border);border-radius:var(--radius);padding:.35rem .75rem;cursor:pointer;font-size:.85rem;background:var(--bg-card);color:var(--fg);white-space:nowrap}.btn-primary{background:var(--accent-dim);border-color:var(--accent);color:var(--accent)}.btn-danger{border-color:var(--danger);color:var(--danger)}.btn-ghost{background:none;color:var(--fg-dim)}.btn:hover{filter:brightness(1.2)}.two-pane{display:grid;grid-template-columns:minmax(260px,1fr) 2fr;gap:1rem}.pane-list{min-width:0}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:.75rem}.form-card{margin-bottom:.75rem}.form-row{display:flex;gap:.5rem;margin-bottom:.5rem;flex-wrap:wrap}.form-row input:first-child{flex:1}.input-narrow{width:9rem}.stack{display:flex;flex-direction:column;gap:.75rem}ul.node-list,ul.fact-list,ul.edge-list{list-style:none;margin:0;padding:0}.node-list li{padding:.5rem .6rem;border-radius:var(--radius);cursor:pointer;display:flex;align-items:center;gap:.5rem}.node-list li:hover{background:var(--bg-panel)}.node-list li.selected{background:var(--accent-dim)}.node-kind{font-size:.75rem;color:var(--fg-dim);border:1px solid var(--border);border-radius:999px;padding:.05rem .5rem}.detail-header{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}.detail-header h2{margin:0;font-size:1.1rem}h3{font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;color:var(--fg-dim);margin:1.25rem 0 .5rem}.fact-list li,.edge-list li{display:flex;align-items:center;gap:.6rem;padding:.35rem .2rem;border-bottom:1px solid var(--border);flex-wrap:wrap}.fact-content{flex:1}.tombstoned .fact-content,li.tombstoned{text-decoration:line-through;color:var(--fg-dim)}.tombstone-note{color:var(--danger);font-size:.8rem;font-style:italic;text-decoration:none}.timestamp{color:var(--fg-dim);font-size:.75rem;font-variant-numeric:tabular-nums}.edge-rel{color:var(--accent)}.obs-ref{font-size:.7rem;color:var(--fg-dim);border:1px dashed var(--border);border-radius:999px;padding:0 .4rem}.tag-row{display:flex;align-items:center;gap:.4rem;flex-wrap:wrap;margin-top:.5rem}.chip{display:inline-flex;align-items:center;gap:.3rem;border-radius:999px;padding:.1rem .6rem;font-size:.8rem;border:1px solid var(--border)}.chip-project{background:var(--accent-dim);border-color:var(--accent)}.chip-thread{background:#3a2f4a;border-color:#9a7fd1}.chip-kind{font-size:.65rem;text-transform:uppercase;color:var(--fg-dim)}.tag-add{display:inline-flex;gap:.3rem}.ts-form{display:inline-flex;gap:.3rem;align-items:center}.ts-form input{width:14rem}.error{color:var(--danger);font-size:.8rem}.banner-error{background:#3a2328;border:1px solid var(--danger);color:var(--danger);border-radius:var(--radius);padding:.4rem .75rem;margin:.5rem 0}.empty{color:var(--fg-dim);font-style:italic;padding:.4rem .2rem}.hint{color:var(--fg-dim);font-size:.8rem;margin:.25rem 0 0}.obs-header{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap;margin-bottom:.4rem}.obs-note{flex:1;font-weight:500}.obs-toolbar{display:flex;justify-content:flex-end}.obs-toolbar select{font-size:.8rem;color:var(--fg-dim);min-width:8rem}.obs-ref-brack{color:var(--fg-dim);font-weight:400}.obs-ref-inner{font-weight:500}.obs-audit-toggle{font-size:.75rem;padding:.15rem .45rem;color:var(--fg-dim);flex-shrink:0}ul.obs-audit{list-style:none;margin:.2rem 0 .45rem;padding:0;font-size:.8rem;color:var(--audit-fg)}.obs-audit-row{display:flex;gap:.4rem;align-items:baseline;flex-wrap:nowrap;padding:.08rem .2rem;line-height:1.35;overflow:hidden}.obs-audit-mark,.obs-audit-removed{color:var(--audit-mark);flex-shrink:0}.obs-audit-mark{font-variant-numeric:tabular-nums}.obs-audit-edge,.obs-audit-edge .edge-rel,.obs-audit-reason{color:var(--audit-fg)}.obs-audit-edge{flex-shrink:0}.obs-audit-reason{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attach-row{margin-top:.5rem}