:root{--bg:#f3f4f6;--card:#fff;--text:#111827;--muted:#6b7280;--accent:#1f2937;--accent-hover:#374151;--border:#e5e7eb;--danger:#b91c1c;--warn-bg:#fffbeb;--warn-border:#fcd34d;--bot-bg:#f9fafb;--user-bg:#eef2ff}*{box-sizing:border-box}body,html{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100%}a{color:var(--accent)}button,input,textarea{font:inherit}.container{max-width:1100px;margin:0 auto;padding:16px}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px;box-shadow:0 1px 2px rgba(0,0,0,.04)}.btn{border:none;border-radius:8px;padding:10px 16px;cursor:pointer;background:var(--accent);color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed}.btnSecondary{background:#fff;color:var(--text);border:1px solid var(--border)}.btnDanger{background:var(--danger)}.input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px}.label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.warnBox{background:var(--warn-bg);border:1px solid var(--warn-border);border-radius:8px;padding:12px;font-size:14px;margin:12px 0}.chatFeed{display:flex;flex-direction:column;gap:12px;max-height:50vh;overflow-y:auto;padding:8px 0}.bubble{max-width:85%;padding:12px 14px;border-radius:12px;white-space:pre-wrap;line-height:1.45;font-size:14px}.bubbleUser{align-self:flex-end;background:var(--user-bg)}.bubbleBot{align-self:flex-start;background:var(--bot-bg);border:1px solid var(--border)}.bubbleSystem{align-self:center;background:var(--warn-bg);font-size:13px;color:var(--muted)}.reportShell{margin-top:16px}.reportHeader h1{margin:0 0 8px;font-size:24px}.reportMeta{color:var(--muted);font-size:14px;margin-bottom:20px}.reportGrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));grid-gap:16px;gap:16px}.reportSection h3{margin:0 0 10px;font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.reportItem{display:flex;justify-content:space-between;gap:8px;padding:6px 0;border-bottom:1px solid var(--border);font-size:14px}.reportItem:last-child{border-bottom:none}.confidence{color:var(--muted);font-size:12px;white-space:nowrap}.topBar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}.statusDot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:6px}.statusOn{background:#22c55e}.statusOff{background:#ef4444}