:root{--bg-base:#0a0f1e;--bg-surface:#111827;--bg-elevated:#1a2234;--bg-hover:#1f2d45;--border:#1e3a5f;--border-soft:#243554;--accent:#3b82f6;--accent-glow:#3b82f62e;--accent-hover:#2563eb;--success:#22c55e;--warning:#f59e0b;--danger:#ef4444;--purple:#8b5cf6;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#4b6080;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--font-sans:"Inter", system-ui, sans-serif;--font-mono:"JetBrains Mono", "Fira Code", monospace;--shadow-glass:0 4px 32px #00000080;--shadow-glow:0 0 24px #3b82f640}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;font-family:var(--font-sans);background:var(--bg-base);color:var(--text-primary);-webkit-font-smoothing:antialiased}.layout{grid-template-rows:56px 1fr;grid-template-columns:240px 1fr;height:100vh;display:grid;overflow:hidden}.topbar{background:var(--bg-surface);border-bottom:1px solid var(--border);z-index:100;grid-column:1/-1;justify-content:space-between;align-items:center;padding:0 24px;display:flex}.topbar-brand{letter-spacing:-.3px;align-items:center;gap:10px;font-size:15px;font-weight:700;display:flex}.topbar-brand .dot{background:var(--accent);width:8px;height:8px;box-shadow:0 0 8px var(--accent);border-radius:50%;animation:2s infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.topbar-meta{align-items:center;gap:16px;display:flex}.topbar-version{font-family:var(--font-mono);color:var(--success);background:#22c55e1a;border:1px solid #22c55e33;border-radius:20px;padding:3px 8px;font-size:11px}.topbar-user{color:var(--text-secondary);font-size:12px}.btn-logout{border:1px solid var(--border);color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;background:0 0;padding:5px 12px;font-size:12px;transition:all .2s}.btn-logout:hover{border-color:var(--danger);color:var(--danger)}.sidebar{background:var(--bg-surface);border-right:1px solid var(--border);padding:16px 0;overflow-y:auto}.sidebar-section{margin-bottom:4px;padding:0 12px 8px}.sidebar-label{letter-spacing:1px;text-transform:uppercase;color:var(--text-muted);padding:0 8px 8px;font-size:10px;font-weight:600}.nav-item{border-radius:var(--radius-sm);cursor:pointer;color:var(--text-secondary);border:1px solid #0000;align-items:center;gap:10px;padding:9px 12px;font-size:13px;text-decoration:none;transition:all .15s;display:flex}.nav-item:hover{background:var(--bg-hover);color:var(--text-primary)}.nav-item.active{background:var(--accent-glow);color:var(--accent);border-color:#3b82f640}.nav-item .icon{text-align:center;width:18px;font-size:15px}.main{background:var(--bg-base);padding:28px 32px;overflow-y:auto}.card{background:var(--bg-surface);border:1px solid var(--border-soft);border-radius:var(--radius-lg);padding:24px;transition:border-color .2s}.card:hover{border-color:var(--border)}.card-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.card-title{color:var(--text-primary);font-size:14px;font-weight:600}.card-sub{color:var(--text-secondary);margin-top:2px;font-size:12px}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px;display:grid}.stat-tile{background:var(--bg-elevated);border:1px solid var(--border-soft);border-radius:var(--radius-md);padding:18px 20px;transition:transform .2s,box-shadow .2s}.stat-tile:hover{box-shadow:var(--shadow-glow);transform:translateY(-2px)}.stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;font-size:11px}.stat-value{font-size:28px;font-weight:700;line-height:1}.stat-value.blue{color:var(--accent)}.stat-value.green{color:var(--success)}.stat-value.amber{color:var(--warning)}.stat-value.purple{color:var(--purple)}.stat-delta{color:var(--text-muted);margin-top:6px;font-size:11px}.btn{border-radius:var(--radius-sm);cursor:pointer;white-space:nowrap;border:none;align-items:center;gap:6px;padding:8px 16px;font-size:13px;font-weight:500;transition:all .15s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover);box-shadow:var(--shadow-glow)}.btn-success{background:var(--success);color:#fff}.btn-success:hover:not(:disabled){background:#16a34a}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626}.btn-outline{color:var(--text-secondary);border:1px solid var(--border);background:0 0}.btn-outline:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.btn-ghost{color:var(--text-secondary);background:0 0;border:none}.btn-ghost:hover{color:var(--text-primary)}.form-group{margin-bottom:16px}.form-label{color:var(--text-secondary);margin-bottom:6px;font-size:12px;font-weight:500;display:block}.form-input,.form-select,.form-textarea{background:var(--bg-elevated);border:1px solid var(--border-soft);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);font-size:13px;font-family:var(--font-sans);outline:none;padding:9px 12px;transition:border-color .15s,box-shadow .15s}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.form-textarea{resize:vertical;min-height:80px}.form-select{appearance:none;cursor:pointer}.badge{border-radius:20px;align-items:center;gap:4px;padding:3px 8px;font-size:11px;font-weight:500;display:inline-flex}.badge-blue{color:var(--accent);background:#3b82f626;border:1px solid #3b82f64d}.badge-green{color:var(--success);background:#22c55e1f;border:1px solid #22c55e40}.badge-amber{color:var(--warning);background:#f59e0b1f;border:1px solid #f59e0b40}.badge-red{color:var(--danger);background:#ef44441f;border:1px solid #ef444440}.badge-purple{color:var(--purple);background:#8b5cf61f;border:1px solid #8b5cf640}.table-wrap{border-radius:var(--radius-md);border:1px solid var(--border-soft);overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13px}thead{background:var(--bg-elevated)}th{text-align:left;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border-soft);padding:10px 14px;font-size:11px;font-weight:600}td{border-bottom:1px solid var(--border-soft);color:var(--text-secondary);padding:11px 14px}tr:last-child td{border-bottom:none}tr:hover td{background:var(--bg-hover);color:var(--text-primary)}.node-chips{flex-wrap:wrap;gap:6px;margin-top:8px;display:flex}.node-chip{cursor:pointer;border:1px solid var(--border-soft);background:var(--bg-elevated);color:var(--text-secondary);-webkit-user-select:none;user-select:none;border-radius:20px;align-items:center;gap:6px;padding:5px 10px;font-size:12px;transition:all .15s;display:inline-flex}.node-chip.selected{background:var(--accent-glow);border-color:var(--accent);color:var(--accent)}.node-chip.suggested{border-color:var(--warning);color:var(--warning);background:#f59e0b14}.node-chip .conf{opacity:.7;font-size:10px}.login-bg{background:radial-gradient(ellipse at 60% 30%, #0d1f3c 0%, var(--bg-base) 70%);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-xl);width:100%;max-width:400px;box-shadow:var(--shadow-glass);padding:40px 44px}.login-logo{letter-spacing:-1px;margin-bottom:6px;font-size:28px;font-weight:800}.login-logo span{color:var(--accent)}.login-sub{color:var(--text-secondary);margin-bottom:32px;font-size:13px}.login-error{border-radius:var(--radius-sm);color:var(--danger);background:#ef44441a;border:1px solid #ef444440;margin-bottom:16px;padding:10px 14px;font-size:13px}.page-header{margin-bottom:24px}.page-title{letter-spacing:-.5px;font-size:20px;font-weight:700}.page-sub{color:var(--text-secondary);margin-top:4px;font-size:13px}.section-row{justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.alert{border-radius:var(--radius-sm);align-items:flex-start;gap:10px;padding:12px 16px;font-size:13px;display:flex}.alert-info{background:var(--accent-glow);color:#93c5fd;border:1px solid #3b82f64d}.alert-success{color:#86efac;background:#22c55e1a;border:1px solid #22c55e40}.alert-warning{color:#fcd34d;background:#f59e0b1a;border:1px solid #f59e0b40}.alert-danger{color:#fca5a5;background:#ef44441a;border:1px solid #ef444440}.spinner{border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:20px;height:20px;animation:.7s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay{color:var(--text-secondary);flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:60px;font-size:13px;display:flex}.mono{font-family:var(--font-mono);font-size:12px}.divider{border:none;border-top:1px solid var(--border-soft);margin:20px 0}.kg-iframe{border:1px solid var(--border-soft);border-radius:var(--radius-lg);background:var(--bg-surface);width:100%;height:calc(100vh - 160px)}.version-timeline{flex-direction:column;gap:0;display:flex}.version-row{border-bottom:1px solid var(--border-soft);grid-template-columns:110px 60px 1fr 120px auto;align-items:center;gap:16px;padding:14px 16px;transition:background .15s;display:grid}.version-row:last-child{border-bottom:none}.version-row:hover{background:var(--bg-hover)}.prompt-section{margin-bottom:24px}.prompt-key{font-family:var(--font-mono);color:var(--purple);background:#8b5cf61a;border-radius:4px;margin-bottom:6px;padding:2px 8px;font-size:11px;display:inline-block}