:root{--bg:#fff;--fg:#1d1d1b;--muted:#8b8b8b;--accent:#1da1dc;--card:#fafafa;--line:#e2e2e2;color:var(--fg);background:var(--bg);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}*{box-sizing:border-box}body{min-height:100vh;margin:0}.shell{max-width:720px;margin:0 auto;padding:48px 16px}header{align-items:baseline;gap:12px;margin-bottom:32px;display:flex}.brand{letter-spacing:.02em;font-weight:700}.tag{color:var(--muted);font-size:.9rem}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:32px}h1{color:var(--accent);margin:0 0 8px;font-size:2.2rem}.muted{color:var(--muted);margin:0}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.shell.narrow{max-width:420px}header nav{gap:16px;display:flex}header a{color:var(--muted);text-decoration:none}header a:hover,header a.active{color:var(--fg)}.spacer{flex:1}h2{margin:0 0 16px}h3{margin:24px 0 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48px;display:flex;position:relative}.conversation.start{padding-top:14vh}.logo{text-align:center;color:var(--accent);letter-spacing:.02em;font-size:3.6rem;font-weight:700;line-height:1}.tagline{text-align:center;margin:-20px 0 8px;font-weight:600}.turn{flex-direction:column;gap:12px;display:flex}.turn+.turn{border-top:1px solid var(--line);padding-top:24px}.question{color:var(--accent);margin:0;font-size:1.3rem;line-height:1.35}.progress{border-top:2px dashed #d0d0d0;border-bottom:2px dashed #d0d0d0;padding:8px 0}.progress.details{border:0;border-left:3px solid var(--line);padding:2px 0 2px 14px;font-size:.85rem}.progress-line{color:#a9a9a9;margin:2px 0}.progress-line.message{font-style:italic}.progress-line.wait{color:#c88a1e}.progress-line.pending{animation:1.2s infinite blink}@keyframes blink{50%{opacity:.3}}.detail-text{background:var(--card);color:#6b6b6b;white-space:pre-wrap;border-radius:4px;margin:2px 0 6px;padding:6px 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var(--line);border-radius:6px;overflow-x:auto}.table-box.scroll{max-height:420px;overflow-y:auto}.table-box table{margin:0}.result .small{margin-top:4px}.chips{flex-wrap:wrap;gap:8px;display:flex}.chips.column{flex-direction:column;align-items:flex-start}.chip{background:var(--bg);color:var(--fg);border:1px solid var(--line);text-align:left;border-radius:16px;padding:5px 12px;font-weight:400}.chip:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.clarify-question{font-weight:600}.composer{flex-direction:column;gap:8px;margin-top:8px;display:flex}.input-pill{border:2px solid var(--fg);border-radius:999px;align-items:center;gap:8px;padding:6px 6px 6px 20px;display:flex}.input-pill input{background:0 0;border:0;outline:none;flex:1;padding:8px 0}.send{border:2px solid 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