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ease;white-space:nowrap}.btn:hover:not(:disabled){background:var(--bg-subtle)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}.btn-ghost{background:transparent;border-color:transparent;color:var(--ink-secondary)}.btn-ghost:hover:not(:disabled){background:var(--bg-subtle);color:var(--ink-primary)}.btn-xs{padding:4px 9px;font-size:12px;border-radius:7px}.text-input{width:100%;padding:8px 11px;border-radius:8px;border:1px solid var(--border-strong);background:#fff;color:var(--ink-primary);font-size:13.5px;outline:none}.text-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #26437e24}#pdfViewer .viewer-body{display:flex;flex:1;min-height:0;overflow:hidden}#pdfViewer .viewer-main{display:flex;flex:1;flex-direction:column;min-width:360px;min-height:0;overflow:hidden}#pdfViewer .viewer-stage{position:relative;display:flex;flex:1;min-height:0;overflow:hidden;background:var(--viewer-inset, #f1f0eb)}#pdfViewer .viewer-scroller{flex:1;min-width:0;min-height:0;overflow:auto;padding:18px 20px 72px}#pdfViewer .viewer-pages{display:flex;flex-direction:column;align-items:center;gap:18px}.pdf-page-card{background:#fff;box-shadow:0 2px 12px #1e1c121a,0 0 0 1px #27261e14;border-radius:2px;position:relative;flex-shrink:0;user-select:none}.pdf-page-card.is-region-mode{cursor:crosshair}.pdf-canvas-el{display:block;width:100%;height:100%}.pdf-overlay-layer{position:absolute;inset:0;pointer-events:auto}.pdf-hl-box{position:absolute;border-radius:2px;mix-blend-mode:multiply;opacity:.56;pointer-events:none}.pdf-line-box{position:absolute;border-radius:2px;background:transparent;transition:background-color .08s ease;cursor:pointer}.pdf-line-box.is-hovered{background:var(--side-hl, rgba(38, 67, 126, .15));mix-blend-mode:multiply}.pdf-line-box.is-selected{background:#26437e38;box-shadow:inset 0 -1.5px #26437e9e}.pdf-line-box.is-find-match{background:#facc156b;box-shadow:0 0 0 1px #ca8a048c}.pdf-link-mark{position:absolute;border-radius:2px;background:#26437e0d;border-bottom:1.5px solid rgba(38,67,126,.38);cursor:pointer;z-index:6;transition:background .12s ease}.pdf-link-mark:hover{background:#26437e29}.region-marquee{position:absolute;border:1.8px solid var(--accent);background:#26437e21;border-radius:4px;z-index:15;pointer-events:none}.floating-action-pillbar{position:absolute;z-index:25;display:inline-flex;align-items:center;gap:6px;background:#fbfbf8;border:1px solid var(--border-strong);padding:5px 8px;border-radius:999px;box-shadow:var(--shadow-md);white-space:nowrap}.side-sent-group{display:inline;border-radius:3px;padding:1px 0;cursor:pointer;transition:background-color .1s ease}.side-sent-group.is-hovered,.side-sent-group.on{background-color:var(--side-hl, rgba(38, 67, 126, .14))}.side-sent-group.is-selected{background-color:#26437e38}.side-sent-group.has-full-hl{background:linear-gradient(transparent 52%,color-mix(in srgb,var(--hl-color, #fde68a) 72%,transparent) 52%);-webkit-box-decoration-break:clone;box-decoration-break:clone}.side-sent-group.has-partial-hl{background:linear-gradient(transparent 58%,color-mix(in srgb,var(--hl-color, #fde68a) 45%,transparent) 58%);border-left:2.5px solid var(--accent);padding-left:4px}.partial-hl-badge{display:inline-block;font-size:10.5px;font-weight:600;padding:0 5px;margin-right:4px;border-radius:4px;background:#27261e14;color:var(--ink-secondary);vertical-align:middle}.ko-inline-cite{color:#26437e;font-weight:500;padding:0 2px;border-radius:3px;cursor:pointer;text-decoration:underline;text-decoration-color:#26437e59;text-underline-offset:2px}.ko-inline-cite:hover{background:#26437e21;text-decoration-color:currentColor}.rp-ad-slot{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:11px 16px;border-radius:10px;border:1px solid rgba(38,67,126,.16);background:linear-gradient(90deg,#fbfbf8,#f1f4fa);color:var(--ink-primary);font-size:13px;line-height:1.45;margin:0 0 18px}.rp-ad-slot.is-reader{flex:none;margin:0;border-radius:0;border-left:0;border-right:0;border-bottom:0;border-top:1px solid var(--line);padding:8px 14px;font-size:12px;background:#f4f6fb}.rp-ad-main{display:flex;align-items:center;gap:10px;min-width:0}.rp-ad-badge{flex:none;display:inline-flex;align-items:center;padding:2px 7px;border-radius:999px;background:var(--accent-tint, #eaeff8);color:var(--accent-text, #1e376b);font-size:10.5px;font-weight:700;letter-spacing:.03em}.rp-ad-copy{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-secondary)}.rp-ad-copy strong{color:var(--ink-primary);font-weight:600;margin-right:6px}.rp-ad-actions{flex:none;display:inline-flex;align-items:center;gap:8px}.rp-ad-hide-btn{display:inline-flex;align-items:center;gap:4px;padding:5px 10px;border-radius:999px;border:1px solid rgba(38,67,126,.28);background:#fff;color:#1e376b;font-size:11.5px;font-weight:600;cursor:pointer;transition:background .14s ease,border-color .14s ease;white-space:nowrap}.rp-ad-hide-btn:hover{background:#eaeff8;border-color:#26437e}.rp-plan-pills{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;margin:10px 0 4px}.rp-plan-pill{padding:5px 6px;border-radius:7px;border:1px solid var(--line-strong);background:var(--bg-surface);color:var(--ink-secondary);font-size:11.5px;font-weight:500;text-align:center;cursor:pointer;transition:all .14s ease}.rp-plan-pill:hover{border-color:var(--accent);color:var(--accent-text)}.rp-plan-pill.is-active{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.inline-math-crop{display:inline-block;vertical-align:middle;max-height:1.65em;mix-blend-mode:multiply;margin:0 2px}.inline-math-crop.is-display{display:block;max-height:none;max-width:92%;margin:10px auto}.summary-sec{padding:12px 0;border-bottom:1px solid var(--line)}.summary-sec:last-child{border-bottom:0}.summary-sec-head{display:flex;align-items:center;gap:7px;margin-bottom:6px;font-size:12.5px;font-weight:600;color:var(--ink)}.summary-sec-dot{width:8px;height:8px;border-radius:2px;flex:none}.summary-sec-body{margin:0;font-size:13.5px;line-height:1.72;color:var(--ink);word-break:keep-all}.summary-page-chips{display:flex;flex-wrap:wrap;gap:5px;margin-top:7px}.chat-chip-btn{display:inline-flex;align-items:center;padding:1px 7px;border:1px solid var(--line-strong);border-radius:999px;background:var(--paper);color:var(--ink-soft);font-size:11.5px;font-variant-numeric:tabular-nums;cursor:pointer}.chat-chip-btn:hover{border-color:var(--accent);color:var(--accent-text)}.hover-preview-card{position:fixed;z-index:3200;width:min(440px,90vw);background:#fbfbf8;border:1px solid var(--border-strong);border-radius:12px;box-shadow:var(--shadow-lg);padding:14px;color:var(--ink-primary)}.pinned-float-window{position:fixed;z-index:3150;background:#fff;border:1px solid var(--border-strong);border-radius:10px;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden}.pinned-float-header{height:32px;padding:0 10px;background:#fbfbf8;border-bottom:1px solid var(--border-soft);display:flex;align-items:center;justify-content:space-between;font-size:12px;font-weight:600;cursor:move;user-select:none}.modal-backdrop{position:fixed;inset:0;z-index:3500;background:#1f1e1b6b;display:flex;align-items:center;justify-content:center;padding:20px}.modal-card{background:#fbfbf8;border-radius:14px;border:1px solid var(--border-strong);width:min(520px,95vw);max-height:90vh;overflow-y:auto;padding:22px 24px;box-shadow:var(--shadow-lg)}.print-export-stage{display:none}@media print{body>*:not(#root),#root>*:not(.print-export-stage),#pdfViewer>*:not(.print-export-stage){display:none!important}html,body{height:auto!important;overflow:visible!important;background:#fff!important}.print-export-stage{display:block!important;width:100%!important;background:#fff!important;color:#111!important}.print-spread-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;page-break-after:always;break-after:page;padding:10mm 8mm;align-items:start}.print-pdf-img{width:100%;height:auto;border:1px solid #ddd}}