:root{--bg:#f1f5f9;--surface:#fff;--border:#e2e8f0;--primary:#1d4ed8;--primary-hover:#1e40af;--primary-light:#eff6ff;--text:#0f172a;--text-muted:#64748b;--danger:#dc2626;--success:#16a34a;--warning:#d97706;--radius:8px;--shadow:0 1px 3px #0000001a, 0 1px 2px #0000000f;--nav-width:200px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;line-height:1.6}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.layout{min-height:100vh;display:flex}.sidebar{width:var(--nav-width);color:#cbd5e1;z-index:100;background:#1e293b;flex-direction:column;padding:0;display:flex;position:fixed;top:0;bottom:0;left:0}.sidebar-brand{border-bottom:1px solid #334155;padding:20px 16px 16px}.sidebar-brand h1{color:#f1f5f9;letter-spacing:.02em;text-transform:uppercase;font-size:13px;font-weight:700;line-height:1.3}.sidebar-brand p{color:#64748b;margin-top:2px;font-size:11px}.sidebar-nav{flex:1;padding:12px 8px}.nav-link{color:#94a3b8;cursor:pointer;border-radius:6px;align-items:center;gap:10px;margin-bottom:2px;padding:9px 10px;font-size:13px;font-weight:500;text-decoration:none;transition:background .15s,color .15s;display:flex}.nav-link:hover{color:#f1f5f9;background:#334155;text-decoration:none}.nav-link.active{color:#fff;background:#1d4ed8}.nav-icon{text-align:center;width:20px;font-size:16px}.sidebar-footer{border-top:1px solid #334155;padding:12px 8px}.logout-btn{color:#64748b;cursor:pointer;text-align:left;background:0 0;border:none;border-radius:6px;align-items:center;gap:10px;width:100%;padding:8px 10px;font-size:12px;transition:color .15s;display:flex}.logout-btn:hover{color:#f1f5f9}.main{margin-left:var(--nav-width);flex:1;min-height:100vh}.page{max-width:1100px;padding:28px 32px}.page-title{color:var(--text);margin-bottom:20px;font-size:20px;font-weight:700}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:20px;padding:20px}.card-title{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:14px;font-size:13px;font-weight:700}.btn{cursor:pointer;border:none;border-radius:6px;align-items:center;gap:6px;padding:8px 16px;font-size:13px;font-weight:600;transition:background .15s,opacity .15s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--bg)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#b91c1c}.btn-sm{padding:5px 10px;font-size:12px}.form-group{margin-bottom:16px}.form-label{margin-bottom:5px;font-size:13px;font-weight:600;display:block}.form-input{border:1px solid var(--border);border-radius:6px;outline:none;width:100%;padding:9px 12px;font-size:14px;transition:border-color .15s}.form-input:focus{border-color:var(--primary)}textarea.form-input{resize:vertical;min-height:80px;font-family:inherit}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);text-align:center;cursor:pointer;padding:40px 20px;transition:border-color .2s,background .2s}.dropzone:hover,.dropzone.drag-over{border-color:var(--primary);background:var(--primary-light)}.dropzone-icon{margin-bottom:10px;font-size:36px}.dropzone-text{color:var(--text-muted);font-size:14px}.dropzone-text strong{color:var(--primary)}.dropzone-hint{color:var(--text-muted);margin-top:6px;font-size:12px}.progress-wrap{background:var(--border);border-radius:99px;height:8px;margin:8px 0;overflow:hidden}.progress-bar{background:var(--primary);border-radius:99px;height:100%;transition:width .4s}.progress-label{color:var(--text-muted);justify-content:space-between;margin-bottom:4px;font-size:12px;display:flex}.badge{border-radius:99px;padding:2px 8px;font-size:11px;font-weight:600;display:inline-block}.badge-completed{color:#15803d;background:#dcfce7}.badge-ingesting,.badge-running{color:#1d4ed8;background:#dbeafe}.badge-failed{color:#b91c1c;background:#fee2e2}.badge-uploaded,.badge-pending{color:#475569;background:#f1f5f9}.table{border-collapse:collapse;width:100%;font-size:13px}.table th{text-align:left;background:var(--bg);border-bottom:2px solid var(--border);color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;padding:8px 12px;font-size:11px;font-weight:700}.table td{border-bottom:1px solid var(--border);vertical-align:middle;padding:10px 12px}.table tr:last-child td{border-bottom:none}.table tr:hover td{background:var(--bg)}.login-wrap{background:var(--bg);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:12px;width:360px;padding:36px 40px}.login-logo{text-align:center;margin-bottom:28px}.login-logo h1{color:var(--text);font-size:18px;font-weight:800}.login-logo p{color:var(--text-muted);margin-top:4px;font-size:12px}.wiki-layout{gap:0;height:100vh;display:flex;overflow:hidden}.wiki-sidebar{border-right:1px solid var(--border);background:var(--surface);flex-direction:column;flex-shrink:0;width:220px;display:flex;overflow:hidden}.wiki-sidebar-tabs{border-bottom:1px solid var(--border);flex-shrink:0;display:flex}.wiki-tab{text-align:center;cursor:pointer;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;background:0 0;border:none;flex:1;padding:8px 4px;font-size:11px;font-weight:600;transition:color .15s,background .15s}.wiki-tab.active{color:var(--primary);border-bottom:2px solid var(--primary)}.wiki-tab:hover{background:var(--bg);color:var(--text)}.wiki-page-list{flex:1;padding:8px;overflow-y:auto}.wiki-page-item{color:var(--text);cursor:pointer;white-space:nowrap;text-overflow:ellipsis;border-radius:5px;padding:7px 10px;font-size:13px;transition:background .1s;display:block;overflow:hidden}.wiki-page-item:hover{background:var(--bg)}.wiki-page-item.active{background:var(--primary-light);color:var(--primary);font-weight:600}.wiki-content{flex:1;padding:28px 36px;overflow-y:auto}.markdown h1{margin:0 0 16px;font-size:22px;font-weight:800}.markdown h2{border-bottom:1px solid var(--border);margin:24px 0 10px;padding-bottom:6px;font-size:17px;font-weight:700}.markdown h3{margin:18px 0 8px;font-size:14px;font-weight:700}.markdown p{margin:0 0 12px}.markdown ul,.markdown ol{margin:0 0 12px 20px}.markdown li{margin-bottom:4px}.markdown blockquote{border-left:3px solid var(--primary);background:var(--primary-light);color:#1e40af;border-radius:0 4px 4px 0;margin:12px 0;padding:8px 16px;font-style:italic}.markdown code{background:var(--bg);border-radius:3px;padding:1px 5px;font-family:Menlo,Monaco,monospace;font-size:12px}.markdown pre{color:#e2e8f0;background:#1e293b;border-radius:6px;margin:12px 0;padding:16px;overflow-x:auto}.markdown pre code{color:inherit;background:0 0;padding:0}.markdown table{border-collapse:collapse;width:100%;margin:12px 0;font-size:13px}.markdown th{background:var(--bg);border:1px solid var(--border);padding:8px 12px;font-weight:700}.markdown td{border:1px solid var(--border);padding:8px 12px}.markdown a{color:var(--primary)}.wiki-link{color:var(--primary);font-weight:600}.wiki-link:hover{text-decoration:underline}.query-answer{background:var(--primary-light);border-radius:var(--radius);border:1px solid #bfdbfe;margin-top:20px;padding:20px}.query-meta{color:var(--text-muted);margin-top:12px;font-size:11px}.stats-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px;margin-bottom:20px;display:grid}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);text-align:center;padding:16px}.stat-number{color:var(--primary);font-size:28px;font-weight:800}.stat-label{color:var(--text-muted);margin-top:2px;font-size:12px}.alert{border-radius:6px;margin-bottom:14px;padding:10px 14px;font-size:13px}.alert-error{color:#991b1b;background:#fee2e2;border:1px solid #fca5a5}.alert-success{color:#15803d;background:#dcfce7;border:1px solid #86efac}.alert-info{background:var(--primary-light);color:#1e40af;border:1px solid #bfdbfe}.flex{display:flex}.gap-2{gap:8px}.gap-3{gap:12px}.items-center{align-items:center}.justify-between{justify-content:space-between}.mt-2{margin-top:8px}.mt-3{margin-top:12px}.text-muted{color:var(--text-muted)}.text-sm{font-size:12px}.truncate{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.spin{animation:1s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}