:root{--top-bar-height: 56px;--nav-width: 200px;--nav-width-collapsed: 64px;--panel-min-width: 360px;--panel-max-width: 440px;--border: #e5e7eb;--text: #111827;--muted: #6b7280;--bg: #f9fafb}*{box-sizing:border-box}html,body,#app{height:100%;margin:0}body{font-family:system-ui,-apple-system,PingFang SC,Microsoft YaHei,sans-serif;color:var(--text)}.workbench{display:grid;grid-template-rows:var(--top-bar-height) 1fr;height:100%}.top-bar{display:flex;align-items:center;gap:12px;padding:0 16px;border-bottom:1px solid var(--border);background:#fff}.top-bar h1{font-size:16px;margin:0}.top-bar .spacer{flex:1}.layout{display:grid;grid-template-columns:var(--nav-width) 1fr var(--panel-max-width);min-height:0}.layout.nav-collapsed{grid-template-columns:var(--nav-width-collapsed) 1fr var(--panel-max-width)}.side-nav{border-right:1px solid var(--border);background:#fff;padding:12px 8px;overflow:auto}.side-nav a{display:block;padding:8px 10px;border-radius:8px;color:var(--text);text-decoration:none;font-size:14px}.side-nav a.active{background:var(--bg);font-weight:600}.main-surface{padding:16px;overflow:auto;background:var(--bg);min-width:0}.chat-panel{border-left:1px solid var(--border);background:#fff;padding:12px;overflow:auto;min-width:var(--panel-min-width)}.search-result{padding:8px 10px;border:1px solid var(--border);border-radius:8px;margin-bottom:8px;background:#fff}.muted{color:var(--muted);font-size:13px}.section{background:#fff;border:1px solid var(--border);border-radius:10px;padding:12px;margin-bottom:12px}.section h2,.panel-title{font-size:14px;margin:0 0 8px}.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.stack{display:flex;flex-direction:column;gap:6px}.inline{display:inline-flex;align-items:center;gap:4px}.main-surface input,.chat-panel input{min-width:0;max-width:100%}.row input{flex:1 1 160px}input[type=text],input:not([type]){padding:6px 8px;border:1px solid var(--border);border-radius:8px;font-size:13px}button{padding:6px 10px;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--text);font-size:13px;cursor:pointer}button:disabled{opacity:.55;cursor:not-allowed}.badge{display:inline-block;padding:1px 6px;border-radius:999px;border:1px solid var(--border);background:var(--bg);font-size:12px}.err{color:#b91c1c;font-size:13px;overflow-wrap:anywhere}.ok{color:#047857;font-size:13px;overflow-wrap:anywhere}.warn,.degraded{color:#b45309;font-size:13px}.timeline-item{border:1px solid var(--border);border-radius:8px;padding:8px;margin-bottom:8px;overflow-wrap:anywhere}.timeline-meta{margin:0 0 4px}.timeline-title{font-weight:600;margin:0 0 4px;overflow-wrap:anywhere}.timeline-text{margin:0 0 6px;font-size:13px;overflow-wrap:anywhere}.actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:6px}.confirm-card{border:1px dashed var(--border);border-radius:8px;padding:8px;margin-top:8px}.settlement{border-top:1px solid var(--border);margin-top:8px;padding-top:6px}.raw{white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px;background:var(--bg);padding:8px;border-radius:6px;margin:6px 0}