:root{--bg: #f6f7fb;--card: #ffffff;--ink: #111827;--muted: #6b7280;--line: #e6e8ee;--accent: #4f46e5;--accent-soft: #eef2ff;--ok: #059669;--ok-soft: #ecfdf5;--bad: #dc2626;--bad-soft: #fef2f2;--mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--sans: ui-sans-serif, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.5;-webkit-font-smoothing:antialiased}.site-header{max-width:1120px;margin:0 auto;padding:40px 24px 8px;position:relative}.site-header h1{margin:0;font-size:30px;letter-spacing:-.02em}.site-header .tag{font-size:14px;font-weight:600;color:var(--accent);background:var(--accent-soft);padding:3px 10px;border-radius:999px;vertical-align:middle}.site-header p{margin:8px 0 0;color:var(--muted);max-width:640px}.site-header .repo{position:absolute;top:44px;right:24px;font-size:14px;font-weight:600;color:var(--accent);text-decoration:none}.grid{max-width:1120px;margin:24px auto;padding:0 24px;display:grid;grid-template-columns:1fr 1fr;gap:20px}@media(max-width:860px){.grid{grid-template-columns:1fr}}.panel{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px}.panel-head h2{margin:0 0 14px;font-size:15px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.controls{display:flex;align-items:end;gap:12px;flex-wrap:wrap;margin-bottom:14px}.controls label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted);font-weight:600}.controls input{width:130px;padding:8px 10px;border:1px solid var(--line);border-radius:9px;font:inherit;font-variant-numeric:tabular-nums}button#run{margin-left:auto;padding:9px 18px;border:0;border-radius:9px;background:var(--accent);color:#fff;font:inherit;font-weight:700;cursor:pointer}button#run:hover{background:#4338ca}.editor-label{display:block;font-size:13px;color:var(--muted);font-weight:600;margin-bottom:6px}textarea#messages{width:100%;height:420px;resize:vertical;padding:12px;border:1px solid var(--line);border-radius:12px;font-family:var(--mono);font-size:12.5px;line-height:1.5;color:#1f2937;background:#fbfbfd}.error{margin:10px 0 0;color:var(--bad);background:var(--bad-soft);border:1px solid #fecaca;padding:8px 10px;border-radius:9px;font-size:13px}.badge{display:inline-block;font-size:13px;font-weight:700;padding:4px 12px;border-radius:999px}.badge.ok{color:var(--ok);background:var(--ok-soft)}.badge.bad{color:var(--bad);background:var(--bad-soft)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:14px 0 4px}.stat{display:flex;flex-direction:column;gap:2px;padding:10px;border:1px solid var(--line);border-radius:11px}.stat-label{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}.stat-value{font-family:var(--mono);font-weight:700;font-size:14px}.panel h3{font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:20px 0 10px}.panel h3 code{text-transform:none;letter-spacing:0}.kept{display:flex;flex-direction:column;gap:6px}.msg{display:flex;gap:10px;align-items:baseline;padding:7px 10px;border:1px solid var(--line);border-radius:9px;background:#fcfcfe}.role{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;flex:0 0 74px}.role-system{color:var(--accent)}.role-user{color:#0369a1}.role-assistant{color:#7c3aed}.role-tool{color:#b45309}.msg-text{font-size:12.5px;color:#374151;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.audit table{width:100%;border-collapse:collapse;font-size:12.5px}.audit th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);padding:4px 8px;border-bottom:1px solid var(--line)}.audit td{padding:6px 8px;border-bottom:1px solid #f1f2f6}.audit .mono{font-family:var(--mono)}.audit .num{font-family:var(--mono);color:var(--ok)}.pill{font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px}.pill-drop{color:var(--bad);background:var(--bad-soft)}.pill-shrink{color:#b45309;background:#fffbeb}.pill-summarize{color:var(--accent);background:var(--accent-soft)}.muted{color:var(--muted);font-size:13px}.site-footer{max-width:1120px;margin:8px auto 48px;padding:0 24px;color:var(--muted);font-size:13px}code{font-family:var(--mono);font-size:.92em;background:#f1f2f6;padding:1px 5px;border-radius:5px}