:root{--bg:#f6f7f9;--surface:#fff;--border:#e2e5ea;--text:#1d2330;--muted:#6b7385;--accent:#1f5fbf;--accent-soft:#e8f0fc;--danger:#c0392b;color:var(--text);background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px}*{box-sizing:border-box}body{background:var(--bg);margin:0}button{font:inherit;cursor:pointer}.center{justify-content:center;align-items:center;min-height:100vh;padding:16px;display:flex}.muted{color:var(--muted)}.error{color:var(--danger)}.login{background:var(--surface);border:1px solid var(--border);border-radius:8px;flex-direction:column;gap:12px;width:100%;max-width:320px;padding:24px;display:flex}.login h1{margin:0 0 4px;font-size:20px}.login label{color:var(--muted);flex-direction:column;gap:4px;display:flex}.login input{font:inherit;color:var(--text);border:1px solid var(--border);border-radius:6px;padding:8px 10px}.login button{color:#fff;background:var(--accent);border:0;border-radius:6px;padding:9px}.login button:disabled{opacity:.6}.layout{flex-direction:column;min-height:100vh;display:flex}.header{background:var(--surface);border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:12px 16px;display:flex}.brand{font-weight:600}.spacer{flex:1}.link-button{color:var(--accent);background:0 0;border:0;padding:0}.content{flex:1;grid-template-columns:minmax(280px,380px) 1fr;min-height:0;display:grid}.tree{background:var(--surface);border-right:1px solid var(--border);padding:8px;overflow:auto}.tree ul{margin:0;padding-left:14px;list-style:none}.tree>ul{padding-left:0}.tree-row{text-align:left;width:100%;color:var(--text);background:0 0;border:0;border-radius:5px;align-items:center;gap:6px;padding:5px 8px;display:flex}.tree-row:hover{background:var(--bg)}.tree-row.selected{background:var(--accent-soft)}.tree-row.inactive .tree-title{color:var(--muted);text-decoration:line-through}.tree-title{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.badge{color:var(--muted);background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:1px 6px;font-size:11px}.panel{padding:20px 24px;overflow:auto}.details h2{margin:0 0 12px;font-size:18px}.details h3{margin:20px 0 8px;font-size:14px}.details dl{grid-template-columns:max-content 1fr;gap:6px 16px;margin:0;display:grid}.details dt{color:var(--muted)}.details dd{overflow-wrap:anywhere;margin:0}.message{font:inherit;white-space:pre-wrap;background:var(--surface);border:1px solid var(--border);border-radius:6px;margin:0;padding:12px}.chips{flex-wrap:wrap;gap:6px;display:flex}.chip{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:2px 8px}@media (width<=720px){.content{grid-template-columns:1fr}.tree{border-right:0;border-bottom:1px solid var(--border);max-height:45vh}.panel{padding:16px}}