:root{--paper:#fff;--paper-raised:#fff;--paper-deep:#f4f4f5;--ink:#17181a;--ink-soft:#414449;--muted:#6c7077;--faint:#979ba2;--rule:#e5e6e8;--rule-strong:#c7c9ce;--accent:#1f56a3;--ok:#226b46;--ok-soft:#e6f0e9;--warn:#9a5a12;--warn-soft:#f7eee0;--bad:#9d2d23;--serif:"Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;--sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;--mono:ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;font-size:14px}button,input,textarea,select{font:inherit;color:inherit}button{background:0 0;border:none;padding:0}::selection{background:#17181a1f}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{border:3px solid var(--paper);background:#cfd1d5;border-radius:6px}::-webkit-scrollbar-track{background:0 0}.app{background:var(--paper);flex-direction:column;height:100dvh;display:flex;overflow:hidden}.topbar{border-bottom:1px solid var(--rule-strong);background:var(--paper-raised);z-index:30;flex:none;align-items:center;gap:24px;height:60px;padding:0 20px;display:flex;position:relative}.brand{-webkit-user-select:none;user-select:none;align-items:center;gap:10px;display:flex}.brand-mark{width:24px;height:24px;color:var(--ink)}.brand-name{font-family:var(--serif);letter-spacing:-.01em;font-size:18px;line-height:1}.task-nav{align-items:stretch;gap:4px;height:100%;margin-left:12px;display:flex}.task-btn{color:var(--muted);cursor:pointer;border-bottom:2px solid #0000;padding:0 10px;font-size:13px;transition:color .14s,border-color 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14px;font-size:12px;font-weight:500;display:flex}.chat-head{justify-content:space-between;gap:10px}.chat-head-actions{align-items:center;gap:14px;margin-left:auto;display:flex}.head-btn{color:var(--muted);cursor:pointer;border-bottom:1px solid #0000;padding:2px 0;font-size:12px}.head-btn:hover{color:var(--ink)}.head-btn[data-on=true]{color:var(--ink);border-bottom-color:var(--ink)}.chat-panel{background:var(--paper-raised)}.chat-scroll{scroll-behavior:smooth;flex-direction:column;flex:auto;gap:20px;padding:20px 20px 28px;display:flex;overflow-y:auto}.chat-step{flex-direction:column;gap:10px;display:flex}.chat-question{color:var(--ink);margin:0;font-size:13.5px;line-height:1.6}.chat-actions{flex-wrap:wrap;gap:8px;display:flex}.chat-actions .chip{padding:6px 14px}.chat-run{align-self:flex-start;width:auto;padding:9px 18px}.archive-list{flex-direction:column;display:flex}.archive-row{border-bottom:1px solid var(--rule);text-align:left;cursor:pointer;flex-direction:column;gap:3px;padding:11px 2px;display:flex}.archive-row:hover .archive-name{color:var(--accent)}.archive-name{color:var(--ink);text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.archive-meta{color:var(--muted);font-size:11.5px}.msg-body{color:var(--ink-soft);font-size:13.5px;line-height:1.6}.msg-user{background:var(--paper-deep);border-radius:3px;align-self:flex-end;max-width:90%;padding:9px 12px}.msg-user .msg-body{color:var(--ink)}.msg-error .msg-body{color:var(--bad);border-left:2px solid var(--bad);background:#f7e7e4;padding:9px 12px}.result-line{color:var(--ink);margin:0;font-size:13.5px;line-height:1.6}.answer-card{border:1px solid var(--rule-strong);background:var(--paper);padding:12px 13px}.answer-card p{color:var(--ink);margin:0 0 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var(--rule);background:var(--paper-raised);flex:none;justify-content:space-between;align-items:center;gap:12px;padding:10px 18px;display:flex}.pdf-nav,.pdf-zoom,.text-actions{align-items:center;gap:8px;display:flex}.pdf-zoom{margin-left:auto}.pdf-btn{height:30px;color:var(--ink);background:var(--paper);border:1px solid var(--rule-strong);cursor:pointer;white-space:nowrap;border-radius:2px;justify-content:center;align-items:center;gap:6px;padding:0 9px;font-size:12px;text-decoration:none;display:inline-flex}.pdf-btn:hover:not(:disabled){background:var(--paper-deep)}.pdf-btn:disabled{opacity:.38;cursor:default}.pdf-page-label{text-align:center;min-width:108px;color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px}.pdf-zoom-value{text-align:center;min-width:48px;color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px}.pdf-stage{background:var(--paper-deep);flex:auto;justify-content:center;align-items:flex-start;min-height:0;padding:22px 24px 34px;display:flex;overflow:auto}.pdf-stage canvas{background:#fff;display:block;box-shadow:0 1px 3px #00000024}.pdf-stage-status{text-align:center;color:var(--muted);align-self:center;font-size:13px}.pdf-status{flex:auto;justify-content:center;align-items:center;padding:30px;display:flex}.text-meta{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px}.text-pages{flex:auto;padding:26px 34px 60px;overflow-y:auto}.text-page{max-width:760px;margin:0 auto 28px}.text-page h3{border-bottom:1px solid var(--rule);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:12px;padding-bottom:6px;font-size:11px;font-weight:500}.text-body{white-space:pre-wrap;font-family:var(--serif);color:var(--ink);font-size:15px;line-height:1.65}.text-blank{color:var(--muted);font-size:13px;font-style:italic}.doc{max-width:720px;margin:0 auto}.doc-title{font-family:var(--serif);letter-spacing:-.015em;margin:0 0 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