:root{--color-bg:#f8fafc;--color-surface:#fff;--color-surface-2:#f1f5f9;--color-surface-3:#e2e8f0;--color-border:#e2e8f0;--color-border-focus:#6366f1;--color-text-1:#0f172a;--color-text-2:#64748b;--color-text-3:#94a3b8;--color-brand:#4f46e5;--color-brand-bg:#eef2ff;--color-brand-hover:#4338ca;--color-red:#ef4444;--color-red-bg:#fef2f2;--color-green:#10b981;--color-green-bg:#ecfdf5;--color-hero-text:#f8fafc;--color-hero-sub:#a5b4fc;--color-overlay:#0f172a80;--color-surface-glass:#ffffffd9;--shadow-sm:0 1px 3px #0000000f;--shadow-md:0 4px 12px #00000014;--shadow-lg:0 8px 24px #0000001a;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--transition-fast:.15s ease;--transition-base:.25s ease;--color-logo-from:#111827;--color-logo-to:#374151}@media (prefers-color-scheme:dark){:root{--color-bg:#0a0a0f;--color-surface:#13131a;--color-surface-2:#1c1c27;--color-surface-3:#252533;--color-border:#2a2a3d;--color-border-focus:#818cf8;--color-text-1:#f1f5f9;--color-text-2:#94a3b8;--color-text-3:#475569;--color-brand:#818cf8;--color-brand-bg:#1e1b4b;--color-brand-hover:#a5b4fc;--color-red:#f87171;--color-red-bg:#2d1515;--color-green:#34d399;--color-green-bg:#0d2318;--color-hero-text:#f1f5f9;--color-hero-sub:#6366f1;--color-overlay:#000000b3;--color-surface-glass:#13131ad9;--color-logo-from:#374151;--color-logo-to:#6b7280;--shadow-sm:0 1px 3px #0000004d;--shadow-md:0 4px 12px #0006;--shadow-lg:0 8px 24px #00000080}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--color-bg);color:var(--color-text-1);flex-direction:column;min-height:100vh;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;display:flex;overflow-x:hidden}.global-top-nav{z-index:1001;background-color:var(--color-surface-glass);border-bottom:1px solid var(--color-border);-webkit-backdrop-filter:blur(12px);box-shadow:var(--shadow-sm);position:sticky;top:0}.nav-container{justify-content:space-between;align-items:center;gap:16px;max-width:1400px;margin:0 auto;padding:14px 24px;display:flex}.nav-brand{cursor:pointer;transition:opacity var(--transition-fast);flex-shrink:0;align-items:center;gap:10px;display:flex}.nav-brand:hover{opacity:.8}.nav-logo-icon{border-radius:var(--radius-sm);background:linear-gradient(135deg, var(--color-logo-from), var(--color-logo-to));width:32px;height:32px;color:var(--color-hero-text);box-shadow:var(--shadow-sm);flex-shrink:0;justify-content:center;align-items:center;font-size:1.1rem;font-weight:700;display:flex}.nav-brand-name{color:var(--color-text-1);letter-spacing:-.02em;font-size:1.2rem;font-weight:800}.nav-tools{align-items:center;gap:4px;display:none}.nav-tool-link{border-radius:var(--radius-sm);color:var(--color-text-2);cursor:pointer;transition:background-color var(--transition-fast), color var(--transition-fast);background:0 0;border:none;padding:6px 12px;font-size:.9rem;font-weight:600}.nav-tool-link:hover{background-color:var(--color-surface-2);color:var(--color-text-1)}.nav-tool-link.active{background-color:var(--color-brand-bg);color:var(--color-brand)}.nav-menu-btn{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-sm);cursor:pointer;color:var(--color-text-1);transition:background-color var(--transition-fast);flex-shrink:0;justify-content:center;align-items:center;padding:6px 8px;display:flex}.nav-menu-btn:hover{background:var(--color-surface-3)}@media (aspect-ratio>=4/3){.nav-tools{display:flex}}.sidebar-overlay{background:var(--color-overlay);z-index:998;opacity:0;pointer-events:none;transition:opacity .18s ease-out;position:fixed;inset:61px 0 0}.sidebar-overlay.active{opacity:1;pointer-events:all}.off-canvas-sidebar{background-color:var(--color-surface);border-right:1px solid var(--color-border);z-index:999;overscroll-behavior:contain;visibility:hidden;width:280px;height:calc(100vh - 61px);box-shadow:var(--shadow-lg);flex-direction:column;gap:20px;padding:68px 24px 20px;transition:transform .18s ease-out,visibility 0s .18s;display:flex;position:fixed;top:61px;left:0;overflow-y:auto;transform:translate(-100%)}.off-canvas-sidebar.open{visibility:visible;transition:transform .18s ease-out,visibility;transform:translate(0)}@media (width>=900px){.off-canvas-sidebar{border-right:none;border-bottom:1px solid var(--color-border);border-radius:0 0 var(--radius-lg) var(--radius-lg);overscroll-behavior:contain;flex-flow:wrap;gap:0;width:100%;height:auto;max-height:calc(50vh - 30px);padding:16px 0;top:61px;left:0;overflow-y:auto;transform:translateY(-110%)}.off-canvas-sidebar.open{transform:translateY(0)}.sidebar-section{border-right:1px solid var(--color-border);flex:1;gap:2px;min-width:160px;padding:0 16px}.sidebar-section:last-child{border-right:none}.close-menu-btn{display:none}}.close-menu-btn{background:var(--color-surface-2);border:1.5px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer;width:36px;height:36px;color:var(--color-text-2);transition:background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);z-index:1;justify-content:center;align-items:center;display:flex;position:absolute;top:16px;right:16px}.close-menu-btn:hover{background:var(--color-red-bg);color:var(--color-red);border-color:var(--color-red)}.sidebar-section{flex-direction:column;gap:4px;display:flex}.sidebar-label{text-transform:uppercase;color:var(--color-text-3);letter-spacing:.05em;margin-bottom:4px;padding-left:8px;font-size:.72rem;font-weight:700}.sidebar-btn{text-align:left;border-radius:var(--radius-sm);cursor:pointer;width:100%;color:var(--color-text-2);transition:background-color var(--transition-fast), color var(--transition-fast);background:0 0;border:none;padding:9px 12px;font-size:.95rem;font-weight:500;display:block}.sidebar-btn:hover{background-color:var(--color-surface-2);color:var(--color-text-1)}.sidebar-btn.active{background-color:var(--color-brand-bg);color:var(--color-brand);font-weight:600}.workspace{box-sizing:border-box;flex:1;width:100%}.dashboard-hero{text-align:center;background:linear-gradient(135deg,#1e1b4b 0%,#312e81 100%);padding:56px 24px 48px}@media (prefers-color-scheme:dark){.dashboard-hero{background:linear-gradient(135deg,#06060d 0%,#0d0b1e 100%)}}.dashboard-hero-title{color:var(--color-hero-text);letter-spacing:-.03em;margin-bottom:12px;font-size:clamp(2rem,5vw,3.5rem);font-weight:800}.dashboard-hero-sub{color:var(--color-hero-sub);font-size:1.05rem}.tool-list{flex-direction:column;gap:16px;max-width:720px;margin:0 auto;padding:40px 24px 60px;display:flex}.tool-panel{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer;transition:transform var(--transition-fast), box-shadow var(--transition-fast);box-shadow:var(--shadow-sm);align-items:center;gap:20px;padding:20px 20px 20px 24px;display:flex;position:relative;overflow:hidden}.tool-panel:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.tool-panel-accent{width:4px;position:absolute;top:0;bottom:0;left:0}.tool-panel-accent--brand{background:var(--color-brand)}.tool-panel-accent--red{background:var(--color-red)}.tool-panel-accent--green{background:var(--color-green)}.tool-panel-icon{border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;display:flex}.tool-panel-icon--brand{background:var(--color-brand-bg);color:var(--color-brand)}.tool-panel-icon--red{background:var(--color-red-bg);color:var(--color-red)}.tool-panel-icon--green{background:var(--color-green-bg);color:var(--color-green)}.tool-panel-body{flex:1;min-width:0}.tool-panel-title{color:var(--color-text-1);margin-bottom:4px;font-size:1.05rem;font-weight:700}.tool-panel-desc{color:var(--color-text-2);font-size:.875rem;line-height:1.5}.tool-panel-arrow{color:var(--color-text-3);transition:transform var(--transition-fast), color var(--transition-fast);flex-shrink:0;font-size:1.25rem}.tool-panel:hover .tool-panel-arrow{color:var(--color-text-2);transform:translate(4px)}.tool-hero{text-align:center;max-width:640px;margin:0 auto 40px;padding:48px 24px 0}.tool-hero-title{color:var(--color-text-1);letter-spacing:-.03em;margin-bottom:12px;font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800}.tool-hero-sub{color:var(--color-text-2);font-size:clamp(.95rem,1.8vw,1.1rem);line-height:1.6}.tool-container{background:var(--color-surface);border-radius:var(--radius-lg);border:1px solid var(--color-border);max-width:768px;box-shadow:var(--shadow-md);box-sizing:border-box;margin:0 auto;padding:32px}.dropzone{border:2px dashed var(--color-border);border-radius:var(--radius-md);text-align:center;background-color:var(--color-surface-2);cursor:pointer;transition:border-color var(--transition-fast), background-color var(--transition-fast);padding:48px 32px}.dropzone:hover,.dropzone.dragover{border-color:var(--color-brand);background-color:var(--color-brand-bg)}.dropzone-icon{border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;margin:0 auto 16px;display:flex}.dropzone-icon--brand{background:var(--color-brand-bg);color:var(--color-brand)}.dropzone-icon--red{background:var(--color-red-bg);color:var(--color-red)}.dropzone-icon--green{background:var(--color-green-bg);color:var(--color-green)}.dropzone-title{color:var(--color-text-1);margin-bottom:6px;font-size:1.1rem;font-weight:600}.dropzone-sub{color:var(--color-text-2);font-size:.9rem}.format-tags{border-top:1px dashed var(--color-border);flex-wrap:wrap;justify-content:center;gap:8px;margin-top:24px;padding-top:20px;display:flex}.format-tag{background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text-2);border-radius:var(--radius-sm);padding:4px 10px;font-size:.75rem;font-weight:600}.control-panel{border-top:1px solid var(--color-border);flex-direction:column;gap:20px;margin-top:24px;padding-top:24px;display:none}.control-panel.visible{display:flex}.control-panel-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;display:grid}.control-group{flex-direction:column;gap:6px;display:flex}.control-label{color:var(--color-text-1);font-size:.85rem;font-weight:700}.control-select,.control-input{border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface-2);color:var(--color-text-1);transition:border-color var(--transition-fast);padding:10px 12px;font-size:.95rem}.control-select:focus,.control-input:focus{border-color:var(--color-border-focus);outline:none}.status-label{text-align:center;min-height:22px;margin-bottom:20px;font-size:.95rem;font-weight:600}.status-label--info{color:var(--color-brand)}.status-label--success{color:var(--color-green)}.status-label--error{color:var(--color-red)}.action-btn{border-radius:var(--radius-md);color:#fff;cursor:pointer;width:100%;transition:transform var(--transition-fast), box-shadow var(--transition-fast);background:linear-gradient(135deg,#111827,#1f2937);border:none;margin-bottom:8px;padding:18px;font-size:1rem;font-weight:700;display:none}.action-btn.visible{display:block}.action-btn:hover:not(:disabled){box-shadow:var(--shadow-md);transform:translateY(-1px)}.action-btn:disabled{background:var(--color-surface-3);color:var(--color-text-2);cursor:not-allowed}@media (prefers-color-scheme:dark){.action-btn:not(:disabled){background:linear-gradient(135deg,#1e1b4b,#312e81)}}.return-pill{background:var(--color-surface-2);border:1px solid var(--color-border);cursor:pointer;color:var(--color-text-2);transition:background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);border-radius:24px;align-items:center;gap:8px;padding:10px 20px;font-family:inherit;font-size:.875rem;font-weight:600;display:inline-flex}.return-pill:hover{background:var(--color-surface-3);color:var(--color-text-1);border-color:var(--color-text-3)}.tool-footer{text-align:center;margin-top:40px;padding-bottom:60px}.doc-page-wrapper{padding:0 24px 60px}.batch-controls{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);max-width:1400px;box-shadow:var(--shadow-sm);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin:0 auto 32px;padding:16px 24px;display:none}.batch-controls.visible{display:flex}.batch-controls-left{align-items:center;gap:12px;display:flex}.batch-controls-title{color:var(--color-text-1);font-size:.95rem;font-weight:700}.batch-action-btn{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-sm);cursor:pointer;color:var(--color-text-1);transition:background-color var(--transition-fast);padding:6px 12px;font-size:.85rem;font-weight:600}.batch-action-btn:hover{background:var(--color-surface-3)}.add-split-btn{background:var(--color-brand);color:#fff;border-radius:var(--radius-sm);cursor:pointer;transition:background-color var(--transition-fast);border:none;padding:8px 16px;font-size:.85rem;font-weight:600}.add-split-btn:hover{background:var(--color-brand-hover)}.doc-workspace{gap:32px;max-width:1400px;margin:0 auto;display:flex}@media (aspect-ratio>=1){.doc-workspace{flex-direction:row;align-items:flex-start}.doc-track-card{flex:1;min-width:420px}}@media (aspect-ratio<1){.doc-workspace{flex-direction:column}.doc-track-card{width:100%}}.doc-track-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:24px}.doc-track-badge{background:var(--color-surface-2);color:var(--color-text-1);border-radius:var(--radius-sm);padding:4px 8px;font-size:.8rem;font-weight:700}.doc-track-name-input{color:var(--color-text-1);border-radius:var(--radius-sm);min-width:0;max-width:240px;transition:border-color var(--transition-fast), background-color var(--transition-fast);background:0 0;border:1px solid #0000;outline:none;flex:1;padding:4px 8px;font-size:1.1rem;font-weight:700}.page-thumb-grid{grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:16px;display:grid}.page-thumb-card{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-md);flex-direction:column;gap:10px;padding:12px;display:flex}.page-thumb-preview{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);justify-content:center;align-items:center;height:150px;display:flex;overflow:hidden}.page-thumb-preview img{max-width:90%;max-height:90%;box-shadow:var(--shadow-sm)}.page-thumb-label{color:var(--color-text-1);text-align:center;font-size:.75rem;font-weight:700}.page-thumb-select{border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text-1);padding:5px;font-size:.7rem}.queue-container{margin-top:32px;display:none}.queue-container.visible{display:block}.queue-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.queue-count-label{color:var(--color-text-1);font-weight:700}.queue-clear-btn{color:var(--color-red);cursor:pointer;transition:opacity var(--transition-fast);background:0 0;border:none;font-size:.85rem;font-weight:600}.queue-clear-btn:hover{opacity:.7}.queue-list{flex-direction:column;gap:12px;margin:0;padding:0;list-style:none;display:flex}.queue-item{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-sm);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding:12px 16px;display:flex}.queue-item-left{flex:1;align-items:center;gap:12px;min-width:0;display:flex}.queue-ext-badge{background:var(--color-brand-bg);color:var(--color-brand);border-radius:var(--radius-sm);text-transform:uppercase;flex-shrink:0;padding:4px 6px;font-size:.65rem;font-weight:700}.queue-filename{color:var(--color-text-1);white-space:nowrap;text-overflow:ellipsis;font-size:.9rem;font-weight:500;overflow:hidden}.queue-item-right{flex-shrink:0;align-items:center;gap:12px;display:flex}.queue-target-select{border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text-1);cursor:pointer;padding:6px 12px;font-size:.9rem;font-weight:500}.queue-remove-btn{color:var(--color-text-3);cursor:pointer;transition:color var(--transition-fast);background:0 0;border:none;font-size:1.25rem;font-weight:700;line-height:1}.queue-remove-btn:hover{color:var(--color-red)}.img-tool-wrapper{max-width:1000px;margin:0 auto;padding:0 24px}.img-manifest-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:20px;margin-bottom:32px;display:grid}.img-preview-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);flex-direction:column;gap:8px;padding:12px;display:flex;position:relative}.img-preview-thumb{background:var(--color-surface-2);border-radius:var(--radius-sm);border:1px solid var(--color-border);justify-content:center;align-items:center;height:120px;display:flex;overflow:hidden}.img-preview-thumb img{object-fit:contain;max-width:95%;max-height:95%}.img-preview-name{color:var(--color-text-1);text-overflow:ellipsis;white-space:nowrap;font-size:.75rem;font-weight:700;overflow:hidden}.img-delete-btn{background:var(--color-red);color:#fff;cursor:pointer;width:22px;height:22px;transition:background-color var(--transition-fast);border:none;border-radius:50%;justify-content:center;align-items:center;font-size:.7rem;display:flex;position:absolute;top:6px;right:6px}.img-delete-btn:hover{filter:brightness(.85)}.site-footer{border-top:1px solid var(--color-border);text-align:center;background:var(--color-surface);margin-top:auto;padding:40px 24px}.site-footer-tagline{color:var(--color-text-1);margin-bottom:16px;font-size:1rem;font-weight:600}.site-footer-links{justify-content:center;gap:30px;margin-bottom:20px;display:flex}.site-footer-link{color:var(--color-text-2);transition:color var(--transition-fast);font-size:.9rem;font-weight:500;text-decoration:none}.site-footer-link:hover{color:var(--color-text-1)}.site-footer-copy{color:var(--color-text-3);font-size:.75rem}.prose-page{max-width:800px;margin:0 auto;padding:48px 24px}.prose-page-title{color:var(--color-text-1);letter-spacing:-.02em;margin-bottom:24px;font-size:2.25rem;font-weight:800}.prose-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);margin-bottom:40px;padding:32px}.prose-section-title{color:var(--color-brand);margin-top:24px;margin-bottom:10px;font-size:1.05rem;font-weight:700}.prose-section-title:first-child{margin-top:0}.prose-body{color:var(--color-text-2);margin-bottom:20px;line-height:1.7}.prose-body:last-child{margin-bottom:0}.prose-list{color:var(--color-text-2);padding-left:20px;line-height:1.8}.prose-back{text-align:center}.status-ok-card{background:var(--color-green-bg);border:1px solid var(--color-green);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);text-align:center;margin-bottom:40px;padding:40px}.status-ok-icon{background:var(--color-green);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:64px;height:64px;margin:0 auto 20px;display:flex}.status-ok-title{color:var(--color-text-1);margin-bottom:12px;font-size:1.4rem;font-weight:800}.status-ok-sub{color:var(--color-green);font-size:1.05rem}.prose-page--centered{text-align:center}.apply-all-bar{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-sm);flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:12px;padding:10px 16px;display:flex}.apply-all-bar.visible{display:flex}.apply-all-bar-label{color:var(--color-text-2);white-space:nowrap;font-size:.8rem;font-weight:700}.apply-all-select{border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text-1);cursor:pointer;padding:5px 10px;font-family:inherit;font-size:.85rem;font-weight:500}.apply-all-select:focus{border-color:var(--color-border-focus);outline:none}.queue-file-icon{border-radius:var(--radius-sm);text-transform:uppercase;letter-spacing:.02em;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:.6rem;font-weight:800;display:flex}.queue-file-icon--doc{background:var(--color-brand-bg);color:var(--color-brand)}.queue-file-icon--img{background:var(--color-green-bg);color:var(--color-green)}.queue-file-icon--sheet{color:#16a34a;background:#f0fdf4}@media (prefers-color-scheme:dark){.queue-file-icon--sheet{color:#4ade80;background:#052e16}}.queue-file-info{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.queue-file-meta{color:var(--color-text-3);font-size:.72rem}#app{transition:opacity .2s}.landing-section{padding:72px 24px}.landing-section--alt{background:var(--color-surface-2)}.landing-heading{color:var(--color-text-1);text-align:center;letter-spacing:-.02em;margin-bottom:10px;font-size:1.75rem;font-weight:800}.landing-sub{color:var(--color-text-2);text-align:center;margin-bottom:48px;font-size:1.05rem;line-height:1.6}.stats-strip{background:var(--color-surface);border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border);flex-wrap:wrap;justify-content:center;gap:56px;padding:32px 24px;display:flex}.stats-counter{text-align:center}.stats-number{letter-spacing:-.03em;margin-bottom:6px;font-size:2.5rem;font-weight:800;line-height:1}.stats-label{color:var(--color-text-3);text-transform:uppercase;letter-spacing:.04em;font-size:.8rem;font-weight:600}.how-steps{flex-wrap:wrap;justify-content:center;gap:40px;max-width:900px;margin:0 auto;display:flex}.how-step{text-align:center;max-width:220px}.how-step-icon{margin-bottom:14px;font-size:2.25rem}.how-step-num{background:var(--color-brand-bg);width:28px;height:28px;color:var(--color-brand);border-radius:50%;justify-content:center;align-items:center;margin:0 auto 12px;font-size:.8rem;font-weight:800;display:flex}.how-step-title{color:var(--color-text-1);margin-bottom:8px;font-size:1rem;font-weight:700}.how-step-desc{color:var(--color-text-2);font-size:.875rem;line-height:1.6}.trust-cards{flex-wrap:wrap;justify-content:center;gap:24px;max-width:1000px;margin:0 auto;display:flex}.trust-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);min-width:240px;max-width:300px;box-shadow:var(--shadow-sm);flex:1;padding:32px 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