:root{--bg-base:#fafbfc;--bg-reading:#fff;--bg-panel:#f4f6f9;--bg-hover:#eef0f4;--bg-active:#e5e8ee;--text-primary:#1a1f2e;--text-secondary:#454d5f;--text-muted:#737c8d;--text-faint:#a3abb9;--border-subtle:#e3e7ee;--border-default:#cdd3dd;--border-strong:#b3bbc9;--redline-insert:#1d4ed8;--redline-insert-bg:#eff6ff;--redline-delete:#b91c1c;--redline-delete-bg:#fef2f2;--highlight-preamble:#eff6ff;--highlight-change:#fff7ed;--accent:#2563a0;--accent-hover:#1d5088;--accent-bg:#e8f0f8;--positive:#0d7377;--negative:#b91c3c;--shadow-sm:0 1px 2px #0f14230f;--shadow-md:0 4px 12px #0f142314;--shadow-lg:0 8px 24px #0f14231f;--font-serif:"Source Serif 4", "Georgia", serif;--font-sans:"DM Sans", system-ui, sans-serif;--font-mono:"JetBrains Mono", "Consolas", monospace;--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--radius-full:9999px;--transition:.15s cubic-bezier(.4, 0, .2, 1)}:root[data-theme=dark]{--bg-base:#0b0e14;--bg-reading:#111520;--bg-panel:#181d2a;--bg-hover:#1f2535;--bg-active:#272e40;--text-primary:#e2e7ef;--text-secondary:#a8b1c2;--text-muted:#6e7a8e;--text-faint:#454f63;--border-subtle:#1f2535;--border-default:#2a3244;--border-strong:#3d4760;--redline-insert:#60a5fa;--redline-insert-bg:#1e3a5f;--redline-delete:#f87171;--redline-delete-bg:#3d1212;--highlight-preamble:#1e3a5f;--highlight-change:#3d2512;--accent:#5ba3d9;--accent-hover:#7bb8e5;--accent-bg:#162030;--shadow-sm:0 1px 2px #0000004d;--shadow-md:0 4px 12px #0006;--shadow-lg:0 8px 24px #00000080}*,:before,:after{box-sizing:border-box}body{font-family:var(--font-sans);color:var(--text-primary);background:var(--bg-base);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-size:13px;line-height:1.5}#root{flex-direction:column;min-height:100vh;display:flex}.reading-text{font-family:var(--font-serif);color:var(--text-primary);font-size:15px;line-height:1.7}.section-number,.citation{font-family:var(--font-mono);font-size:13px;font-weight:400}.redline-insert{color:var(--redline-insert);text-underline-offset:2px;text-decoration:underline;text-decoration-thickness:1.5px}.redline-delete{color:var(--redline-delete);opacity:.85;text-decoration:line-through;text-decoration-thickness:1.5px}.redline-move-dest{color:var(--redline-insert);text-underline-offset:2px;-webkit-text-decoration:underline double;text-decoration:underline double}.redline-move-source{color:var(--redline-delete);opacity:.7;-webkit-text-decoration:line-through double;text-decoration:line-through double}.pill{border-radius:var(--radius-full);font-family:var(--font-sans);letter-spacing:.02em;text-transform:uppercase;align-items:center;padding:2px 8px;font-size:11px;font-weight:600;display:inline-flex}.pill-new{background:var(--redline-insert-bg);color:var(--redline-insert)}.formatted-change table,.reg-table{border-collapse:collapse;width:100%;font-family:var(--font-sans);margin:8px 0;font-size:12px}.formatted-change th,.formatted-change td{border:1px solid var(--border-default);text-align:left;vertical-align:top;padding:6px 10px}.formatted-change th{background:var(--bg-hover);white-space:nowrap;font-size:11px;font-weight:600}.formatted-change caption{text-align:left;color:var(--text-primary);padding:4px 0 6px;font-size:12px;font-weight:600}.content-blocks{flex-direction:column;gap:10px;margin:10px 0 14px;display:flex}.content-block{border-left:3px solid var(--accent);font-family:var(--font-sans);padding:8px 0 8px 12px;font-size:13px;line-height:1.5}.content-block-heading{color:var(--text-muted);letter-spacing:.04em;text-transform:uppercase;margin-bottom:6px;font-size:10px;font-weight:700}.content-block-equation,.content-block-table{overflow-x:auto}.content-block-note{color:var(--text-secondary);margin-top:6px}.reader-v2-shell{background:var(--bg-base);grid-template-columns:280px minmax(0,1fr) 340px;min-height:100vh;display:grid}.reader-v2-nav,.reader-v2-context{background:var(--bg-panel);border-color:var(--border-subtle);overflow-y:auto}.reader-v2-nav{border-right:1px solid var(--border-subtle)}.reader-v2-context{border-left:1px solid var(--border-subtle);padding:18px}.reader-v2-nav-header{border-bottom:1px solid var(--border-subtle);padding:18px}.reader-v2-nav-header h1,.reader-v2-header h2,.reader-v2-change-heading h3{letter-spacing:0;margin:0}.reader-v2-nav-header h1{font-size:18px}.reader-v2-section-controls{border-bottom:1px solid var(--border-subtle);gap:10px;padding:12px 10px 8px;display:grid}.reader-v2-section-controls label{gap:5px;display:grid}.reader-v2-section-controls label span{color:var(--text-muted);letter-spacing:.04em;text-transform:uppercase;font-size:10px;font-weight:700}.reader-v2-section-controls input{border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:var(--bg-reading);width:100%;min-width:0;color:var(--text-primary);font:inherit;padding:7px 9px}.reader-v2-section-controls input:focus{outline:2px solid color-mix(in srgb, var(--accent) 35%, transparent);outline-offset:1px}.reader-v2-section-triage{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;display:grid}.reader-v2-section-triage button{border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:var(--bg-reading);min-height:34px;color:var(--text-secondary);text-align:left;justify-content:space-between;align-items:center;gap:6px;padding:6px 8px;display:flex}.reader-v2-section-triage button.active,.reader-v2-section-triage button:hover{border-color:var(--text-primary);background:var(--text-primary);color:var(--bg-reading)}.reader-v2-section-triage button span{overflow-wrap:anywhere;min-width:0;font-size:11px;font-weight:700}.reader-v2-section-triage button strong{font-family:var(--font-mono);flex:none;font-size:10px}.reader-v2-kicker{color:var(--text-muted);letter-spacing:.04em;text-transform:uppercase;font-size:11px;font-weight:700}.reader-v2-section-list{flex-direction:column;gap:4px;padding:8px;display:flex}.reader-v2-section-empty{color:var(--text-muted);padding:12px 8px;font-size:12px}.reader-v2-section-list button{border-radius:var(--radius-md);text-align:left;min-height:46px;color:var(--text-secondary);grid-template-columns:54px minmax(0,1fr) auto minmax(76px,auto);align-items:center;gap:8px;padding:8px;display:grid}.reader-v2-section-list button:hover,.reader-v2-section-list button.active,.reader-v2-change-tabs button:hover,.reader-v2-change-tabs button.active{background:var(--bg-reading);color:var(--text-primary);box-shadow:var(--shadow-sm)}.reader-v2-section-number,.reader-v2-target code{font-family:var(--font-mono)}.reader-v2-section-title{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.reader-v2-section-state{border:1px solid var(--border-default);border-radius:var(--radius-full);color:var(--text-secondary);text-transform:uppercase;white-space:nowrap;padding:2px 7px;font-size:10px;font-weight:700}.reader-v2-count,.reader-v2-audit-pill,.reader-v2-scope,.reader-v2-confidence{border:1px solid var(--border-default);border-radius:var(--radius-full);background:var(--bg-reading);color:var(--text-secondary);text-align:center;font-size:11px;font-weight:700}.reader-v2-counts{grid-column:4;justify-content:flex-end;gap:3px;min-width:34px;display:flex}.reader-v2-count{min-width:20px;padding:2px 5px}.reader-v2-count.verified{color:#166534;border-color:#1665344d}.reader-v2-count.pending{color:#92400e;border-color:#92400e47}.reader-v2-count.draft{border-color:color-mix(in srgb, #a45f00 42%, var(--border-default));color:#8a4b00}.reader-v2-count.blocked{border-color:color-mix(in srgb, var(--negative) 38%, var(--border-default));color:var(--negative)}.reader-v2-count.extraction{color:#1d4ed8;border-color:#1d4ed84d}.reader-v2-count.sourceSpan{color:#6b21a8;border-color:#7e22ce47}.reader-v2-count.unavailable{color:#4b5563;border-color:#4b556357}.reader-v2-count.empty{opacity:.65}.reader-v2-main{padding:22px;overflow-y:auto}.reader-v2-header,.reader-v2-change-heading,.reader-v2-rule-heading{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.reader-v2-header{border-bottom:1px solid var(--border-subtle);margin-bottom:14px;padding-bottom:14px}.reader-v2-header h2{margin-top:3px;font-size:24px;line-height:1.2}.reader-v2-audit-pill,.reader-v2-scope{text-transform:uppercase;flex:none;padding:4px 10px}.reader-v2-change-tabs{flex-wrap:wrap;gap:8px;margin-bottom:14px;display:flex}.reader-v2-change-review{border:1px solid var(--border-subtle);border-radius:var(--radius-lg);background:var(--bg-reading);box-shadow:var(--shadow-sm);gap:10px;margin:0 0 14px;padding:12px;display:grid}.reader-v2-change-review-main,.reader-v2-change-status-row{justify-content:space-between;align-items:center;gap:12px;display:flex}.reader-v2-change-review-main>div{text-align:center;min-width:0}.reader-v2-change-review-main strong,.reader-v2-change-review-main small{display:block}.reader-v2-change-review-main strong{color:var(--text-primary);font-size:15px}.reader-v2-change-review-main small{color:var(--text-muted);overflow-wrap:anywhere}.reader-v2-change-review-main .reader-v2-top-blocker{color:var(--negative);margin-top:3px}.reader-v2-change-review button{border:1px solid var(--border-default);border-radius:var(--radius-md);background:var(--bg-panel);min-width:82px;color:var(--text-secondary);flex:none;padding:6px 9px;font-weight:700}.reader-v2-change-review button:hover:not(:disabled){background:var(--bg-hover);color:var(--text-primary)}.reader-v2-change-review button:disabled{cursor:default;opacity:.45}.reader-v2-change-status-row{flex-wrap:wrap;align-items:flex-start}.reader-v2-change-status-chips{flex-wrap:wrap;justify-content:flex-end;gap:6px;display:flex}.reader-v2-change-status-chips span{border:1px solid var(--border-default);border-radius:var(--radius-full);background:var(--bg-panel);text-transform:uppercase;padding:3px 8px;font-size:10px;font-weight:700}.reader-v2-change-status-chips .verified{color:#166534;border-color:#1665344d}.reader-v2-change-status-chips .draft{border-color:color-mix(in srgb, #a45f00 42%, var(--border-default));color:#8a4b00}.reader-v2-change-status-chips .blocked{border-color:color-mix(in srgb, var(--negative) 38%, var(--border-default));color:var(--negative)}.reader-v2-change-status-chips .extraction{color:#1d4ed8;border-color:#1d4ed84d}.reader-v2-change-status-chips .sourceSpan{color:#6b21a8;border-color:#7e22ce47}.reader-v2-change-status-chips .unavailable{color:#4b5563;border-color:#4b556357}.reader-v2-active-link-tools{grid-template-columns:auto auto minmax(0,1fr);align-items:center;gap:8px;display:grid}.reader-v2-active-link-tools>div{gap:3px;min-width:0;display:grid}.reader-v2-active-link-tools span{color:var(--text-muted);text-transform:uppercase;font-size:10px;font-weight:800}.reader-v2-active-link-tools code{border:1px solid var(--border-subtle);border-radius:var(--radius-sm);background:var(--bg-panel);min-width:0;color:var(--text-secondary);font-family:var(--font-mono);overflow-wrap:anywhere;padding:5px 7px;font-size:10px}.reader-v2-review-queue{border-top:1px solid var(--border-subtle);gap:8px;padding-top:10px;display:grid}.reader-v2-review-queue-header{justify-content:space-between;align-items:center;gap:10px;display:flex}.reader-v2-review-queue-header strong{color:var(--text-secondary);font-size:11px}.reader-v2-review-queue-list{gap:5px;display:grid}.reader-v2-review-queue-row{border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:var(--bg-panel);min-height:42px;color:var(--text-secondary);text-align:left;grid-template-columns:28px minmax(0,1fr) minmax(108px,auto) minmax(104px,auto);align-items:center;gap:8px;padding:7px 8px;display:grid}.reader-v2-review-queue-row:hover,.reader-v2-review-queue-row.active{border-color:color-mix(in srgb, var(--accent) 42%, var(--border-default));background:var(--bg-reading);color:var(--text-primary)}.reader-v2-review-queue-position{border:1px solid var(--border-default);border-radius:var(--radius-full);background:var(--bg-reading);width:24px;height:24px;color:var(--text-muted);font-family:var(--font-mono);justify-content:center;align-items:center;font-size:10px;font-weight:800;display:inline-flex}.reader-v2-review-queue-title{gap:2px;min-width:0;display:grid}.reader-v2-review-queue-title strong,.reader-v2-review-queue-title small{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.reader-v2-review-queue-title strong{color:inherit;font-size:12px}.reader-v2-review-queue-title small,.reader-v2-review-queue-source{color:var(--text-muted);font-size:10px;font-weight:700}.reader-v2-review-queue-lane,.reader-v2-review-queue-source{border:1px solid var(--border-default);border-radius:var(--radius-full);background:var(--bg-reading);text-overflow:ellipsis;text-transform:uppercase;white-space:nowrap;justify-self:end;max-width:150px;padding:2px 7px;overflow:hidden}.reader-v2-review-queue-lane{color:var(--text-secondary);font-size:10px;font-weight:800}.reader-v2-review-queue-lane.visible{color:var(--positive)}.reader-v2-review-queue-lane.draft{color:#8a4b00}.reader-v2-review-queue-lane.blocked{color:var(--negative)}.reader-v2-review-lane{border:1px solid var(--border-default);border-radius:var(--radius-full);background:var(--bg-panel);color:var(--text-secondary);text-transform:uppercase;padding:4px 9px;font-size:10px;font-weight:800}.reader-v2-change-tabs button{border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:var(--bg-panel);text-align:left;flex-direction:column;gap:2px;max-width:260px;padding:8px 10px;display:flex}.reader-v2-change-tabs small{color:var(--text-muted)}.reader-v2-overlay-filters{flex-wrap:wrap;gap:8px;margin:0 0 14px;display:flex}.reader-v2-overlay-filters button{border:1px solid var(--border-subtle);border-radius:var(--radius-full);background:var(--bg-panel);color:var(--text-secondary);align-items:center;gap:6px;padding:6px 9px;font-size:12px;display:inline-flex}.reader-v2-overlay-filters button.active,.reader-v2-overlay-filters button:hover{background:var(--text-primary);border-color:var(--text-primary);color:var(--bg-reading)}.reader-v2-overlay-filters strong{font-family:var(--font-mono);font-size:11px}.reader-v2-change{background:var(--bg-reading);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:20px}.reader-v2-rule{background:var(--bg-reading);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:18px}.reader-v2-rule-heading{border-bottom:1px solid var(--border-subtle);margin-bottom:14px;padding-bottom:12px}.reader-v2-rule-heading h3{margin:3px 0 0;font-size:18px}.reader-v2-rule-overlays{gap:12px;margin-bottom:16px;display:grid}.reader-v2-parent-banners{gap:10px;margin:0 0 16px;display:grid}.reader-v2-parent-replacement-banner{border:1px solid color-mix(in srgb, var(--accent) 28%, var(--border-subtle));border-left:4px solid var(--accent);border-radius:var(--radius-md);background:color-mix(in srgb, var(--accent) 6%, var(--bg-reading));padding:12px 14px}.reader-v2-parent-replacement-banner.active{background:color-mix(in srgb, var(--accent) 10%, var(--bg-reading));border-color:color-mix(in srgb, var(--accent) 48%, var(--border-subtle))}.reader-v2-parent-banner-main{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.reader-v2-parent-banner-main button{text-align:left;min-width:0}.reader-v2-parent-banner-main button span,.reader-v2-parent-title-change>span:first-child{color:var(--text-muted);letter-spacing:.04em;text-transform:uppercase;font-size:10px;font-weight:700;display:block}.reader-v2-parent-banner-main button strong{overflow-wrap:anywhere;margin-top:2px;display:block}.reader-v2-parent-replacement-banner p{color:var(--text-secondary);margin:8px 0 0}.reader-v2-parent-title-change,.reader-v2-parent-child-status{color:var(--text-secondary);flex-wrap:wrap;align-items:center;gap:8px;margin-top:9px;display:flex}.reader-v2-parent-title-change strong{color:var(--text-primary)}.reader-v2-parent-child-status span{border:1px solid var(--border-default);border-radius:var(--radius-full);background:var(--bg-reading);color:var(--text-secondary);text-transform:uppercase;padding:2px 7px;font-size:10px;font-weight:700}.reader-v2-rule-text{gap:8px;display:grid}.reader-v2-rule-paragraph{margin-left:calc(min(var(--node-depth,0), 6) * 16px);border-radius:var(--radius-md);border-left:3px solid #0000;padding:10px 12px;position:relative}.reader-v2-rule-paragraph.has-change{border-left-color:var(--accent);background:color-mix(in srgb, var(--accent) 5%, transparent)}.reader-v2-rule-paragraph.active{background:color-mix(in srgb, var(--accent) 9%, transparent)}.reader-v2-rule-paragraph p{font-family:var(--font-serif);margin:0;font-size:14px;line-height:1.7}.reader-v2-rule-paragraph .reader-v2-rule-paragraph{margin-top:8px}.reader-v2-rule-paragraph-meta{color:var(--text-muted);justify-content:space-between;align-items:center;gap:10px;margin-bottom:5px;font-size:11px;display:flex}.reader-v2-rule-paragraph-meta>button{min-width:0;color:var(--text-muted);font-family:var(--font-mono);text-align:left;font-size:11px}.reader-v2-rule-paragraph-meta>button:hover{color:var(--accent)}.reader-v2-node-heading{font-family:var(--font-serif);margin:0 0 4px;font-size:14px;font-weight:700}.reader-v2-proposal-markers{flex-wrap:wrap;justify-content:flex-end;gap:6px;display:flex}.reader-v2-proposal-chip{border:1px solid var(--border-default);border-radius:var(--radius-full);background:var(--bg-panel);max-width:150px;color:var(--text-secondary);text-overflow:ellipsis;text-transform:uppercase;white-space:nowrap;padding:3px 8px;font-size:10px;font-weight:700;overflow:hidden}.reader-v2-proposal-chip.visible{border-color:color-mix(in srgb, var(--positive) 45%, var(--border-default));color:var(--positive)}.reader-v2-proposal-chip.blocked{border-color:color-mix(in srgb, var(--negative) 45%, var(--border-default));color:var(--negative)}.reader-v2-proposal-chip.draft{border-color:color-mix(in srgb, #a45f00 46%, var(--border-default));color:#8a4b00}.reader-v2-proposal-chip.active{background:var(--text-primary);border-color:var(--text-primary);color:var(--bg-reading)}.reader-v2-proposal-overlay{border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:var(--bg-panel);margin-top:10px;padding:12px}.reader-v2-proposal-overlay.active{border-color:color-mix(in srgb, var(--accent) 45%, var(--border-subtle))}.reader-v2-proposal-overlay.visible{background:color-mix(in srgb, var(--positive) 4%, var(--bg-panel))}.reader-v2-proposal-overlay.blocked{background:color-mix(in srgb, var(--negative) 3%, var(--bg-panel))}.reader-v2-proposal-overlay.draft{border-color:color-mix(in srgb, #a45f00 44%, var(--border-subtle));background:color-mix(in srgb, #a45f00 5%, var(--bg-panel));border-left:4px solid #a45f00}.reader-v2-compact-overlay{border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:var(--bg-panel);width:100%;color:var(--text-secondary);text-align:left;grid-template-columns:auto minmax(68px,auto) minmax(0,1fr);align-items:center;gap:8px;margin-top:8px;padding:7px 9px;display:grid}.reader-v2-compact-overlay:hover{border-color:var(--border-default);background:var(--bg-hover)}.reader-v2-compact-overlay.visible{border-color:color-mix(in srgb, var(--positive) 34%, var(--border-subtle))}.reader-v2-compact-overlay.blocked{border-color:color-mix(in srgb, 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