.file-upload-container{width:100%;padding:0;animation:fadeIn var(--timing-normal) var(--ease-smooth);flex:1;display:flex;flex-direction:column;background:linear-gradient(135deg,#9b5de50d,#ec489908,#9b5de50d);position:relative;overflow:hidden}.file-upload-container:before{content:"";position:absolute;top:-50%;right:-10%;width:500px;height:500px;background:radial-gradient(circle,rgba(155,93,229,.1) 0%,transparent 70%);border-radius:50%;animation:float 20s infinite ease-in-out}.file-upload-container:after{content:"";position:absolute;bottom:-30%;left:-5%;width:400px;height:400px;background:radial-gradient(circle,rgba(155,93,229,.08) 0%,transparent 70%);border-radius:50%;animation:float 15s infinite ease-in-out reverse}@keyframes float{0%,to{transform:translateY(0) translate(0)}50%{transform:translateY(-30px) translate(20px)}}.upload-content-wrapper{flex:1;display:flex;flex-direction:column;justify-content:center;min-height:0}.upload-header{text-align:center;padding:var(--spacing-2xl) var(--spacing-lg) var(--spacing-lg);position:relative;z-index:1}.upload-header h1{font-size:3.5rem;font-weight:800;color:#9b5de5;margin-bottom:var(--spacing-md);animation:slideDown var(--timing-slow) var(--ease-smooth);letter-spacing:-1px}.upload-header p{font-size:1.25rem;color:var(--text-secondary);animation:slideDown var(--timing-slow) var(--ease-smooth) .1s backwards;font-weight:400}.quick-actions{display:flex;justify-content:center;gap:var(--spacing-md);margin-bottom:var(--spacing-xl);position:relative;z-index:1;animation:slideDown var(--timing-slow) var(--ease-smooth) .15s backwards}.quick-actions .btn{padding:var(--spacing-sm) var(--spacing-lg)}.dropzone{background:#fff;border:3px dashed var(--primary);border-radius:var(--radius-xl);padding:var(--spacing-2xl) var(--spacing-xl);text-align:center;cursor:pointer;transition:all var(--timing-normal) var(--ease-smooth);min-height:350px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-lg);animation:slideUp var(--timing-slow) var(--ease-smooth) .2s backwards;margin:0 auto;max-width:700px;width:90%;position:relative;z-index:1;box-shadow:0 20px 60px #9b5de526}.dropzone:hover{border-color:var(--primary-dark);background:linear-gradient(135deg,#fff,#9b5de508);transform:translateY(-5px);box-shadow:0 25px 70px #9b5de540}.dropzone.active{border-color:var(--secondary);background:linear-gradient(135deg,#9b5de514,#ec489914);transform:scale(1.03);box-shadow:0 30px 80px #9b5de54d}.dropzone.uploading{pointer-events:none;opacity:.8}.upload-icon{width:100px;height:100px;color:var(--primary);margin-bottom:var(--spacing-md);transition:all var(--timing-normal) var(--ease-bounce);filter:drop-shadow(0 4px 12px rgba(155,93,229,.3))}.dropzone:hover .upload-icon{transform:translateY(-8px) scale(1.05);filter:drop-shadow(0 8px 20px rgba(155,93,229,.4))}.dropzone.active .upload-icon{transform:scale(1.15);animation:pulse 1s infinite;color:var(--secondary)}.dropzone h2{font-size:1.75rem;font-weight:700;color:var(--text-primary);margin:0}.upload-description{font-size:1.125rem;color:var(--text-secondary);margin:0}.browse-text{color:var(--primary);font-weight:600;text-decoration:underline;transition:color var(--timing-fast) var(--ease-smooth)}.dropzone:hover .browse-text{color:var(--secondary)}.upload-info{margin-top:var(--spacing-md);padding-top:var(--spacing-md);border-top:1px solid var(--border-light)}.upload-info p{font-size:.875rem;color:var(--text-tertiary);margin:var(--spacing-xs) 0}.upload-status{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-lg)}.upload-status p{font-size:1.125rem;color:var(--text-secondary);font-weight:500}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:var(--spacing-xl);margin-top:var(--spacing-2xl);padding:var(--spacing-xl) var(--spacing-lg) var(--spacing-2xl);max-width:1200px;margin-left:auto;margin-right:auto;position:relative;z-index:1}.feature-card{background:#fff;border-radius:var(--radius-xl);padding:var(--spacing-2xl) var(--spacing-xl);text-align:center;transition:all var(--timing-normal) var(--ease-smooth);animation:slideUp var(--timing-slow) var(--ease-smooth);box-shadow:0 4px 20px #00000014;border:1px solid var(--border-light)}.feature-card:nth-child(1){animation-delay:.3s;animation-fill-mode:backwards}.feature-card:nth-child(2){animation-delay:.4s;animation-fill-mode:backwards}.feature-card:nth-child(3){animation-delay:.5s;animation-fill-mode:backwards}.feature-card:nth-child(4){animation-delay:.6s;animation-fill-mode:backwards}.feature-card:nth-child(5){animation-delay:.7s;animation-fill-mode:backwards}.feature-card:nth-child(6){animation-delay:.8s;animation-fill-mode:backwards}.feature-card:hover{transform:translateY(-8px);box-shadow:0 12px 40px #9b5de533;border-color:var(--primary-light)}.feature-card-link{cursor:pointer;border:2px solid var(--primary);background:linear-gradient(135deg,#fff,#9b5de50d);position:relative}.feature-card-link:hover{transform:translateY(-8px) scale(1.02);box-shadow:0 12px 40px #9b5de54d;border-color:var(--primary-dark);background:linear-gradient(135deg,#fff,#9b5de51a)}.feature-link-hint{display:block;margin-top:var(--spacing-md);font-size:.8rem;font-weight:600;color:var(--primary);opacity:.8;transition:opacity var(--timing-fast) var(--ease-smooth)}.feature-card-link:hover .feature-link-hint{opacity:1}.feature-requires{display:block;margin-top:var(--spacing-md);font-size:.75rem;color:var(--text-tertiary);font-style:italic}.feature-icon{font-size:3rem;margin-bottom:var(--spacing-lg);display:inline-block;transition:transform var(--timing-normal) var(--ease-bounce)}.feature-card:hover .feature-icon{transform:scale(1.15)}.feature-card h3{font-size:1.25rem;font-weight:700;color:var(--text-primary);margin-bottom:var(--spacing-sm)}.feature-card p{font-size:.9375rem;color:var(--text-secondary);line-height:1.6}@media (max-width: 768px){.upload-header h1{font-size:2.5rem}.upload-header p{font-size:1rem}.dropzone{padding:var(--spacing-xl);min-height:300px;width:95%}.upload-icon{width:80px;height:80px}.dropzone h2{font-size:1.5rem}.features-grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:var(--spacing-lg);padding:var(--spacing-lg)}.feature-card{padding:var(--spacing-lg)}.feature-icon{font-size:2.5rem}}@media (max-width: 480px){.upload-header h1{font-size:2rem}.features-grid{grid-template-columns:1fr}}.pdf-viewer-container{display:flex;flex-direction:column;flex:1;background-color:var(--bg-secondary);animation:fadeIn var(--timing-normal) var(--ease-smooth)}.pdf-viewer-empty{display:flex;align-items:center;justify-content:center;flex:1;color:var(--text-secondary)}.pdf-toolbar{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-lg);padding:var(--spacing-md) var(--spacing-lg);background-color:var(--bg-primary);border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm);flex-wrap:wrap}.toolbar-section{display:flex;align-items:center;gap:var(--spacing-md)}.toolbar-tools{flex-wrap:wrap;gap:var(--spacing-sm)}.toolbar-tools .btn{padding:var(--spacing-xs) var(--spacing-md);font-size:.8rem}.file-name{font-size:1rem;font-weight:600;color:var(--text-primary);margin:0;max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.toolbar-controls{flex:1;justify-content:center;gap:var(--spacing-xl)}.page-controls,.zoom-controls{display:flex;align-items:center;gap:var(--spacing-sm)}.page-indicator,.zoom-level{font-size:.875rem;color:var(--text-secondary);min-width:70px;text-align:center;font-weight:500}.pdf-content{display:flex;flex:1;overflow:hidden}.thumbnails-sidebar{width:200px;background-color:var(--bg-primary);border-right:1px solid var(--border);padding:var(--spacing-lg);overflow-y:auto;animation:slideRight var(--timing-normal) var(--ease-smooth)}.thumbnails-sidebar h3{font-size:.875rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:var(--spacing-md)}.thumbnails-list{display:flex;flex-direction:column;gap:var(--spacing-sm)}.thumbnail{aspect-ratio:1 / 1.4;background-color:var(--bg-tertiary);border-radius:var(--radius-md);cursor:pointer;transition:all var(--timing-fast) var(--ease-smooth);border:2px solid transparent;display:flex;align-items:center;justify-content:center;position:relative}.thumbnail:hover{border-color:var(--primary-light);transform:translate(5px)}.thumbnail.active{border-color:var(--primary);background-color:#6366f11a}.thumbnail-number{font-size:.875rem;font-weight:600;color:var(--text-secondary)}.pdf-canvas-container{flex:1;overflow:auto;display:flex;align-items:flex-start;justify-content:center;padding:var(--spacing-2xl);background:linear-gradient(135deg,var(--bg-secondary) 0%,var(--bg-tertiary) 100%);min-height:0}.pdf-canvas{box-shadow:var(--shadow-xl);border-radius:var(--radius-sm);background-color:#fff;transition:transform var(--timing-normal) var(--ease-smooth);animation:scaleIn var(--timing-normal) var(--ease-smooth);max-width:100%;height:auto}.loading-state{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-lg);margin:auto}.loading-state p{font-size:1rem;color:var(--text-secondary)}@media (max-width: 1024px){.pdf-toolbar{flex-direction:column;align-items:flex-start}.toolbar-controls{width:100%;justify-content:space-between}.file-name{max-width:100%}}@media (max-width: 768px){.thumbnails-sidebar{width:150px;padding:var(--spacing-md)}.pdf-canvas-container{padding:var(--spacing-lg)}.toolbar-controls{flex-direction:column;gap:var(--spacing-md)}.page-controls,.zoom-controls{width:100%;justify-content:center}}@media (max-width: 480px){.thumbnails-sidebar{display:none}.pdf-canvas-container{padding:var(--spacing-md)}}.pdf-splitter-container{display:flex;flex-direction:column;flex:1;background-color:var(--bg-secondary);animation:fadeIn var(--timing-normal) var(--ease-smooth)}.pdf-splitter-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;gap:var(--spacing-lg);color:var(--text-secondary)}.splitter-header{background-color:var(--bg-primary);padding:var(--spacing-lg);border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm)}.splitter-header h2{font-size:1.5rem;font-weight:600;color:var(--text-primary);margin:var(--spacing-md) 0}.split-mode{display:flex;gap:var(--spacing-xl);margin-top:var(--spacing-md)}.split-mode label{display:flex;align-items:center;gap:var(--spacing-sm);font-size:.875rem;color:var(--text-secondary);cursor:pointer;transition:color var(--timing-fast) var(--ease-smooth)}.split-mode label:hover{color:var(--text-primary)}.split-mode input[type=radio]{width:auto;margin:0;cursor:pointer}.page-selection-controls{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-lg);background-color:var(--bg-primary);border-bottom:1px solid var(--border);animation:slideDown var(--timing-normal) var(--ease-smooth)}.selection-info{font-size:.875rem;color:var(--text-secondary);font-weight:500}.selection-actions{display:flex;gap:var(--spacing-sm)}.pages-grid{flex:1;overflow-y:auto;padding:var(--spacing-2xl);display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:var(--spacing-lg);align-content:start}.page-thumbnail{aspect-ratio:1 / 1.4;background-color:var(--bg-primary);border-radius:var(--radius-lg);border:2px solid var(--border);display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:all var(--timing-normal) var(--ease-smooth);position:relative;overflow:hidden;animation:scaleIn var(--timing-normal) var(--ease-smooth)}.page-thumbnail:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--primary-light)}.page-thumbnail.selected{border-color:var(--primary);background-color:#6366f11a;transform:scale(1.05)}.page-thumbnail.will-split{cursor:default;border-color:var(--success);background:linear-gradient(135deg,#10b9810d,#10b9811a)}.page-thumbnail.will-split:hover{transform:translateY(-3px);border-color:var(--success)}.page-number{font-size:.875rem;font-weight:600;color:var(--text-secondary)}.check-mark{position:absolute;top:var(--spacing-sm);right:var(--spacing-sm);background-color:var(--primary);color:#fff;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.875rem;font-weight:700;animation:scaleIn var(--timing-fast) var(--ease-bounce)}.splitter-actions{padding:var(--spacing-lg);background-color:var(--bg-primary);border-top:1px solid var(--border);display:flex;justify-content:center;gap:var(--spacing-md)}.splitter-actions .btn{min-width:200px;padding:var(--spacing-md) var(--spacing-xl)}@media (max-width: 768px){.pages-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:var(--spacing-md);padding:var(--spacing-lg)}.split-mode{flex-direction:column;gap:var(--spacing-md)}.page-selection-controls{flex-direction:column;gap:var(--spacing-md);align-items:flex-start}.selection-actions{width:100%;justify-content:stretch}.selection-actions .btn{flex:1}}@media (max-width: 480px){.pages-grid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr))}.splitter-actions .btn{min-width:auto;width:100%}}.pdf-signer-container{display:flex;flex-direction:column;flex:1;background-color:var(--bg-secondary);animation:fadeIn var(--timing-normal) var(--ease-smooth)}.pdf-signer-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;gap:var(--spacing-lg);color:var(--text-secondary)}.signer-header{background-color:var(--bg-primary);padding:var(--spacing-lg);border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm);display:flex;align-items:center;gap:var(--spacing-lg)}.signer-header h2{font-size:1.5rem;font-weight:600;color:var(--text-primary);margin:0;flex:1}.signer-actions{display:flex;gap:var(--spacing-md)}.signer-content{display:flex;flex:1;overflow:hidden}.signer-sidebar{width:280px;background-color:var(--bg-primary);border-right:1px solid var(--border);padding:var(--spacing-lg);overflow-y:auto;animation:slideRight var(--timing-normal) var(--ease-smooth)}.signer-sidebar h3{font-size:.875rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:var(--spacing-md)}.page-list{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-sm);margin-bottom:var(--spacing-xl)}.signature-badge{background-color:var(--success);color:#fff;font-size:.75rem;padding:2px 8px;border-radius:12px;font-weight:600}.page-item.active .signature-badge{background-color:#fff;color:var(--primary)}.page-thumbnail-item{position:relative;display:flex;flex-direction:column;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm);background-color:var(--bg-secondary);border:2px solid var(--border);border-radius:var(--radius-md);cursor:pointer;transition:all var(--timing-fast) var(--ease-smooth)}.page-thumbnail-item:hover{background-color:var(--bg-hover);border-color:var(--primary-light)}.page-thumbnail-item.active{border-color:var(--primary);background-color:#3b82f61a}.thumbnail-wrapper{position:relative;width:100%;aspect-ratio:8.5 / 11;border-radius:var(--radius-sm);overflow:hidden;background-color:#fff;box-shadow:var(--shadow-sm)}.page-thumbnail{width:100%;height:100%;object-fit:cover}.thumbnail-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background-color:var(--bg-tertiary);color:var(--text-secondary);font-size:1.5rem;font-weight:600}.thumbnail-badge{position:absolute;top:4px;right:4px;padding:2px 6px;font-size:.65rem}.page-label{font-size:.75rem;color:var(--text-secondary);font-weight:500}.page-thumbnail-item.active .page-label{color:var(--primary);font-weight:600}.page-preview-popup{position:absolute;left:calc(100% + var(--spacing-md));top:0;width:200px;background-color:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-xl);padding:var(--spacing-sm);z-index:100;animation:fadeIn var(--timing-fast) var(--ease-smooth)}.page-preview-popup img{width:100%;border-radius:var(--radius-sm)}.current-signature-section{margin-top:var(--spacing-lg);padding-top:var(--spacing-lg);border-top:1px solid var(--border)}.current-signature-preview{background-color:#fff;border:1px solid var(--border);border-radius:var(--radius-md);padding:var(--spacing-sm);margin-bottom:var(--spacing-sm)}.current-signature-preview img{width:100%;height:40px;object-fit:contain}.btn-full{width:100%}.btn-sm{padding:var(--spacing-xs) var(--spacing-sm);font-size:.75rem}.signature-item.current-page{background-color:#3b82f61a;border-left:3px solid var(--primary)}.signatures-list{margin-top:var(--spacing-xl);padding-top:var(--spacing-xl);border-top:1px solid var(--border)}.signature-item{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-sm);background-color:var(--bg-secondary);border-radius:var(--radius-md);margin-bottom:var(--spacing-sm);transition:all var(--timing-fast) var(--ease-smooth)}.signature-item:hover{background-color:var(--bg-hover)}.signature-info{display:flex;align-items:center;gap:var(--spacing-sm);flex:1}.signature-info img{width:60px;height:30px;object-fit:contain;background-color:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);padding:2px}.signature-info span{font-size:.75rem;color:var(--text-secondary)}.remove-btn{font-size:1.5rem;padding:0;width:24px;height:24px;color:var(--error)}.pdf-canvas-area{flex:1;display:flex;flex-direction:column;overflow:hidden}.signature-overlay{position:absolute;border:2px solid transparent;box-sizing:border-box;transition:border-color .15s ease;-webkit-user-select:none;user-select:none}.signature-overlay:hover{border-color:var(--primary-light)}.signature-overlay.selected{border-color:var(--primary);box-shadow:0 0 0 2px #3b82f64d}.resize-handle{position:absolute;width:10px;height:10px;background-color:var(--primary);border:2px solid white;border-radius:2px;box-shadow:0 1px 3px #0000004d}.resize-handle.nw{top:-5px;left:-5px;cursor:nwse-resize}.resize-handle.ne{top:-5px;right:-5px;cursor:nesw-resize}.resize-handle.sw{bottom:-5px;left:-5px;cursor:nesw-resize}.resize-handle.se{bottom:-5px;right:-5px;cursor:nwse-resize}.resize-handle.n{top:-5px;left:50%;transform:translate(-50%);cursor:ns-resize}.resize-handle.s{bottom:-5px;left:50%;transform:translate(-50%);cursor:ns-resize}.resize-handle.e{top:50%;right:-5px;transform:translateY(-50%);cursor:ew-resize}.resize-handle.w{top:50%;left:-5px;transform:translateY(-50%);cursor:ew-resize}.pdf-canvas{box-shadow:var(--shadow-xl);border-radius:var(--radius-sm);background-color:#fff;transition:transform var(--timing-normal) var(--ease-smooth);animation:scaleIn var(--timing-normal) var(--ease-smooth)}.pdf-canvas.placing-signature{cursor:crosshair;box-shadow:0 0 0 4px var(--primary-light),var(--shadow-xl)}.placement-hint{position:absolute;top:var(--spacing-lg);left:50%;transform:translate(-50%);background-color:var(--primary);color:#fff;padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--radius-lg);font-size:.875rem;font-weight:500;box-shadow:var(--shadow-lg);animation:slideDown var(--timing-normal) var(--ease-smooth);pointer-events:none}.signer-footer{padding:var(--spacing-lg);background-color:var(--bg-primary);border-top:1px solid var(--border);display:flex;justify-content:center}.signer-footer .btn{min-width:250px;padding:var(--spacing-md) var(--spacing-xl)}.signature-modal{width:600px;max-width:90vw;padding:0}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg) var(--spacing-xl);border-bottom:1px solid var(--border)}.modal-header h2{margin:0;font-size:1.25rem;font-weight:600;color:var(--text-primary)}.close-btn{font-size:2rem;padding:0;width:32px;height:32px;line-height:1}.modal-body{padding:var(--spacing-xl)}.signature-mode-tabs{display:flex;gap:var(--spacing-sm);margin-bottom:var(--spacing-lg);border-bottom:2px solid var(--border)}.tab{flex:1;padding:var(--spacing-md);background:none;border:none;border-bottom:2px solid transparent;font-size:.875rem;font-weight:500;color:var(--text-secondary);cursor:pointer;transition:all var(--timing-fast) var(--ease-smooth);margin-bottom:-2px}.tab:hover{color:var(--text-primary);background-color:var(--bg-hover)}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.signature-draw-area{display:flex;flex-direction:column;gap:var(--spacing-md)}.signature-canvas{width:100%;height:200px;border:2px dashed var(--border);border-radius:var(--radius-md);cursor:crosshair;touch-action:none}.clear-btn{align-self:flex-end}.signature-upload-area{min-height:200px;display:flex;align-items:center;justify-content:center}.upload-label{cursor:pointer;width:100%}.upload-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-md);padding:var(--spacing-2xl);border:2px dashed var(--border);border-radius:var(--radius-md);transition:all var(--timing-fast) var(--ease-smooth);color:var(--text-secondary)}.upload-placeholder:hover{border-color:var(--primary);background-color:var(--bg-hover)}.upload-placeholder svg{color:var(--primary)}.upload-placeholder p{margin:0;font-size:1rem;font-weight:500;color:var(--text-primary)}.upload-placeholder span{font-size:.875rem}.signature-preview{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-lg)}.signature-preview img{max-width:100%;max-height:200px;border:2px solid var(--border);border-radius:var(--radius-md);padding:var(--spacing-md);background-color:#fff}.modal-footer{display:flex;justify-content:flex-end;gap:var(--spacing-md);padding:var(--spacing-lg) var(--spacing-xl);border-top:1px solid var(--border)}@media (max-width: 768px){.signer-sidebar{width:200px;padding:var(--spacing-md)}.signer-header{flex-wrap:wrap}.signer-actions{width:100%;flex-wrap:wrap}.signature-modal{width:95vw}}@media (max-width: 480px){.signer-sidebar{display:none}.canvas-wrapper{padding:var(--spacing-md)}.signer-footer .btn{min-width:auto;width:100%}}.signature-toolbar{position:absolute;bottom:100%;left:50%;transform:translate(-50%);display:flex;gap:var(--spacing-xs);padding:var(--spacing-xs);background-color:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);margin-bottom:var(--spacing-xs);white-space:nowrap}.signature-toolbar .btn-sm{padding:var(--spacing-xs) var(--spacing-sm);font-size:.75rem}.signature-toolbar .btn-ghost{color:var(--error);padding:var(--spacing-xs);font-size:1rem;line-height:1}.page-selector-modal{width:500px;max-width:90vw;max-height:80vh;display:flex;flex-direction:column}.page-selector-hint{margin:0 0 var(--spacing-md) 0;color:var(--text-secondary);font-size:.875rem}.page-selector-actions{display:flex;gap:var(--spacing-sm);margin-bottom:var(--spacing-md)}.page-selector-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:var(--spacing-sm);max-height:300px;overflow-y:auto;padding:var(--spacing-xs)}.page-selector-item{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background-color:var(--bg-secondary);border:2px solid var(--border);border-radius:var(--radius-md);cursor:pointer;transition:all var(--timing-fast) 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var(--spacing-2xl);background-color:var(--bg-primary);border-radius:var(--radius-lg);padding:var(--spacing-xl);box-shadow:var(--shadow-sm);animation:slideUp var(--timing-normal) var(--ease-smooth)}.settings-section h3{font-size:1.125rem;font-weight:600;color:var(--text-primary);margin:0 0 var(--spacing-lg);padding-bottom:var(--spacing-md);border-bottom:2px solid var(--border)}.setting-item{padding:var(--spacing-lg) 0;border-bottom:1px solid var(--border-light)}.setting-item:last-child{border-bottom:none;padding-bottom:0}.setting-item:first-child{padding-top:0}.setting-item label{display:flex;flex-direction:column;gap:var(--spacing-xs);margin-bottom:var(--spacing-md)}.setting-label{font-size:.9375rem;font-weight:600;color:var(--text-primary)}.setting-description{font-size:.875rem;color:var(--text-secondary);line-height:1.5}.setting-control{display:flex;align-items:center;gap:var(--spacing-sm)}.setting-control input[type=number]{max-width:120px}.unit{font-size:.875rem;color:var(--text-secondary);font-weight:500}.setting-hint{margin-top:var(--spacing-sm);font-size:.8125rem;color:var(--text-tertiary)}.setting-info{display:flex;flex-direction:column;gap:var(--spacing-xs);margin-bottom:var(--spacing-md)}.about-info{color:var(--text-secondary)}.about-info p{margin:var(--spacing-sm) 0;font-size:.875rem}.about-info strong{color:var(--text-primary);font-size:1rem}.privacy-note{margin-top:var(--spacing-lg);padding:var(--spacing-md);background-color:#10b9811a;border-radius:var(--radius-sm);color:var(--text-primary)}.settings-footer{padding:var(--spacing-lg);background-color:var(--bg-primary);border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:var(--spacing-md)}@media (max-width: 768px){.settings-content,.settings-section{padding:var(--spacing-lg)}.settings-footer{flex-wrap:wrap}.settings-footer .btn{flex:1}}.sidebar{width:280px;background-color:var(--bg-primary);border-right:1px solid var(--border);display:flex;flex-direction:column;animation:slideRight var(--timing-normal) var(--ease-smooth)}.sidebar-header{padding:var(--spacing-lg);border-bottom:1px solid var(--border)}.sidebar-header h3{font-size:.875rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin:0}.files-list{flex:1;overflow-y:auto;padding:var(--spacing-sm)}.file-item{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md);background-color:var(--bg-secondary);border-radius:var(--radius-md);margin-bottom:var(--spacing-sm);cursor:pointer;transition:all var(--timing-fast) var(--ease-smooth);border:2px solid transparent}.file-item:hover{background-color:var(--bg-hover);transform:translate(4px)}.file-item.active{background-color:#6366f11a;border-color:var(--primary)}.file-icon{font-size:1.5rem;flex-shrink:0}.file-info{flex:1;min-width:0}.file-name{font-size:.875rem;font-weight:500;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:2px}.file-size{font-size:.75rem;color:var(--text-tertiary)}.remove-file-btn{opacity:0;font-size:1.5rem;padding:0;width:24px;height:24px;flex-shrink:0;color:var(--error);transition:opacity var(--timing-fast) var(--ease-smooth)}.file-item:hover .remove-file-btn{opacity:1}@media (max-width: 1024px){.sidebar{width:240px}}@media (max-width: 768px){.sidebar{position:absolute;top:0;left:0;bottom:0;z-index:100;box-shadow:var(--shadow-xl);transform:translate(-100%)}.sidebar.open{transform:translate(0)}}.app-footer{background-color:var(--bg-primary);border-top:1px solid var(--border);padding:var(--spacing-xl) var(--spacing-lg) var(--spacing-lg);animation:slideUp var(--timing-normal) var(--ease-smooth)}.footer-content{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:var(--spacing-xl)}.footer-brand-section{display:flex;flex-direction:column;gap:var(--spacing-xs)}.footer-brand{font-size:1.25rem;font-weight:700;color:var(--primary);margin:0}.footer-tagline{font-size:.875rem;color:var(--text-secondary);margin:0}.footer-privacy-badge{display:inline-flex;align-items:center;gap:var(--spacing-xs);margin-top:var(--spacing-sm);font-size:.8125rem;color:var(--success);font-weight:500}.privacy-icon{font-size:1rem}.footer-links-section{display:flex;flex-direction:column;gap:var(--spacing-sm)}.footer-heading{font-size:.875rem;font-weight:600;color:var(--text-primary);margin:0 0 var(--spacing-xs) 0;text-transform:uppercase;letter-spacing:.05em}.footer-nav{display:flex;flex-direction:column;gap:var(--spacing-xs)}.footer-nav button{background:none;border:none;color:var(--text-secondary);font-size:.875rem;cursor:pointer;padding:var(--spacing-xs) 0;text-align:left;transition:color var(--timing-fast) var(--ease-smooth)}.footer-nav button:hover{color:var(--primary)}.footer-bottom{max-width:1200px;margin:var(--spacing-xl) auto 0;padding-top:var(--spacing-lg);border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.footer-copyright{font-size:.75rem;color:var(--text-tertiary);margin:0}.footer-domain{margin:0}.footer-domain a{font-size:.75rem;color:var(--text-tertiary);text-decoration:none;transition:color var(--timing-fast) var(--ease-smooth)}.footer-domain a:hover{color:var(--primary)}@media (max-width: 768px){.footer-content{grid-template-columns:1fr 1fr;gap:var(--spacing-lg)}.footer-brand-section{grid-column:1 / -1;text-align:center;align-items:center}.footer-links-section,.footer-nav{align-items:center}.footer-nav button{text-align:center}.footer-bottom{flex-direction:column;gap:var(--spacing-sm);text-align:center}}@media (max-width: 480px){.app-footer{padding:var(--spacing-lg) var(--spacing-md) var(--spacing-md)}.footer-content{grid-template-columns:1fr;gap:var(--spacing-lg)}.footer-links-section,.footer-nav{align-items:flex-start}.footer-nav button{text-align:left}.footer-brand-section{text-align:left;align-items:flex-start}}.page-container{max-width:800px;margin:0 auto;padding:var(--spacing-xl);animation:fadeIn var(--timing-normal) var(--ease-smooth)}.page-header{margin-bottom:var(--spacing-xl)}.page-header h1{font-size:2rem;font-weight:700;color:var(--text-primary);margin:var(--spacing-md) 0 0 0}.page-content{background:var(--bg-primary);border-radius:var(--radius-xl);padding:var(--spacing-xl);box-shadow:var(--shadow-md)}.faq-list{display:flex;flex-direction:column;gap:var(--spacing-lg)}.faq-item{padding-bottom:var(--spacing-lg);border-bottom:1px solid var(--border)}.faq-item:last-child{border-bottom:none;padding-bottom:0}.faq-question{font-size:1.125rem;font-weight:600;color:var(--text-primary);margin:0 0 var(--spacing-sm) 0}.faq-answer{font-size:1rem;color:var(--text-secondary);margin:0;line-height:1.6}.page-cta{margin-top:var(--spacing-xl);padding-top:var(--spacing-xl);border-top:1px solid var(--border);text-align:center}.page-cta p{color:var(--text-secondary);margin-bottom:var(--spacing-md)}.legal-content{line-height:1.7}.legal-updated{color:var(--text-tertiary);font-size:.875rem;margin-bottom:var(--spacing-xl)}.legal-section{margin-bottom:var(--spacing-xl)}.legal-section:last-child{margin-bottom:0}.legal-section h2{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin:0 0 var(--spacing-md) 0}.legal-section h3{font-size:1rem;font-weight:600;color:var(--text-primary);margin:var(--spacing-md) 0 var(--spacing-sm) 0}.legal-section p{color:var(--text-secondary);margin:0 0 var(--spacing-sm) 0}.legal-section ul{margin:var(--spacing-sm) 0;padding-left:var(--spacing-lg);color:var(--text-secondary)}.legal-section li{margin-bottom:var(--spacing-xs)}.link-button{background:none;border:none;color:var(--primary);cursor:pointer;font-size:inherit;padding:0;text-decoration:underline;transition:color var(--timing-fast) var(--ease-smooth)}.link-button:hover{color:var(--primary-hover)}.contact-intro{margin-bottom:var(--spacing-xl);text-align:center}.contact-intro p{color:var(--text-secondary);font-size:1.125rem;margin:0}.contact-form{display:flex;flex-direction:column;gap:var(--spacing-lg)}.form-field{display:flex;flex-direction:column;gap:var(--spacing-xs)}.form-field label{font-weight:500;color:var(--text-primary);font-size:.875rem}.form-field input,.form-field select,.form-field textarea{padding:var(--spacing-md);border:1px solid var(--border);border-radius:var(--radius-md);font-size:1rem;background:var(--bg-secondary);color:var(--text-primary);transition:all var(--timing-fast) var(--ease-smooth)}.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #3b82f61a}.form-field input::placeholder,.form-field textarea::placeholder{color:var(--text-tertiary)}.form-field textarea{resize:vertical;min-height:150px}.form-field select{cursor:pointer}.char-count{font-size:.75rem;color:var(--text-tertiary);text-align:right}.form-field-honeypot{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}.form-actions{margin-top:var(--spacing-md)}.form-actions .btn{width:100%}.btn-lg{padding:var(--spacing-md) var(--spacing-xl);font-size:1.125rem}.contact-alt{margin-top:var(--spacing-xl);padding-top:var(--spacing-lg);border-top:1px solid var(--border);text-align:center}.contact-alt p{color:var(--text-tertiary);font-size:.875rem;margin:0}.success-message{text-align:center;padding:var(--spacing-xl)}.success-icon{width:80px;height:80px;margin:0 auto var(--spacing-lg);background:var(--success);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2.5rem;font-weight:700}.success-message h2{font-size:1.5rem;color:var(--text-primary);margin:0 0 var(--spacing-md) 0}.success-message p{color:var(--text-secondary);margin:0 0 var(--spacing-xl) 0}@media (max-width: 768px){.page-container{padding:var(--spacing-lg)}.page-header h1{font-size:1.5rem}.page-content{padding:var(--spacing-lg)}.faq-question,.contact-intro p{font-size:1rem}}@media (max-width: 480px){.page-container{padding:var(--spacing-md)}.page-content{padding:var(--spacing-md);border-radius:var(--radius-lg)}.legal-section h2{font-size:1.125rem}}.app{display:flex;min-height:100vh;background-color:var(--bg-secondary)}.main-content{flex:1;display:flex;flex-direction:column;min-height:100vh}.app-header{background-color:var(--bg-primary);border-bottom:1px solid var(--border);padding:var(--spacing-md) var(--spacing-lg);display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow-sm);animation:slideDown var(--timing-normal) var(--ease-smooth)}.header-left{display:flex;align-items:center;gap:var(--spacing-md)}.app-title{font-size:1.25rem;font-weight:700;color:var(--primary);margin:0}.header-right{display:flex;align-items:center;gap:var(--spacing-sm)}.view-container{flex:1;display:flex;flex-direction:column;overflow:hidden}.notifications-container{position:fixed;top:var(--spacing-lg);right:var(--spacing-lg);z-index:9999;display:flex;flex-direction:column;gap:var(--spacing-sm);pointer-events:none}.notification{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-md);padding:var(--spacing-md) var(--spacing-lg);background-color:var(--bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);min-width:300px;max-width:500px;pointer-events:auto;cursor:pointer;animation:slideRight var(--timing-normal) var(--ease-smooth);border-left:4px solid var(--primary);transition:all var(--timing-fast) var(--ease-smooth)}.notification:hover{transform:translate(-4px);box-shadow:var(--shadow-xl),-4px 0 0 var(--primary)}.notification.success{border-left-color:var(--success)}.notification.success:hover{box-shadow:var(--shadow-xl),-4px 0 0 var(--success)}.notification.error{border-left-color:var(--error)}.notification.error:hover{box-shadow:var(--shadow-xl),-4px 0 0 var(--error)}.notification.warning{border-left-color:var(--warning)}.notification.warning:hover{box-shadow:var(--shadow-xl),-4px 0 0 var(--warning)}.notification-message{font-size:.875rem;color:var(--text-primary);font-weight:500}.notification-close{background:none;border:none;font-size:1.5rem;color:var(--text-tertiary);cursor:pointer;padding:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center;transition:color var(--timing-fast) var(--ease-smooth);flex-shrink:0}.notification-close:hover{color:var(--text-primary)}@media (max-width: 768px){.app-header{flex-wrap:wrap;gap:var(--spacing-sm)}.header-right{width:100%;justify-content:stretch}.header-right .btn{flex:1}.notifications-container{top:var(--spacing-sm);right:var(--spacing-sm);left:var(--spacing-sm)}.notification{min-width:auto;width:100%}}@media (max-width: 480px){.app-title{font-size:1rem}.header-right .btn{font-size:.8125rem;padding:var(--spacing-xs) var(--spacing-sm)}}:root{--primary: #9b5de5;--primary-dark: #7c3aed;--primary-light: #a78bfa;--primary-hover: #8b5cf6;--secondary: #ec4899;--success: #10b981;--warning: #f59e0b;--error: #ef4444;--bg-primary: #ffffff;--bg-secondary: #f9fafb;--bg-tertiary: #f3f4f6;--bg-hover: #f5f5f7;--text-primary: #111827;--text-secondary: #6b7280;--text-tertiary: #9ca3af;--border: #e5e7eb;--border-light: #f3f4f6;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--timing-fast: .15s;--timing-normal: .25s;--timing-slow: .35s;--ease-smooth: cubic-bezier(.4, 0, .2, 1);--ease-bounce: cubic-bezier(.68, -.55, .265, 1.55)}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:var(--text-primary);background-color:var(--bg-secondary);line-height:1.5;overflow-x:hidden}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}#root{min-height:100vh;display:flex;flex-direction:column}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes slideDown{0%{transform:translateY(-20px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes slideRight{0%{transform:translate(-20px);opacity:0}to{transform:translate(0);opacity:1}}@keyframes scaleIn{0%{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes shimmer{0%{background-position:-1000px 0}to{background-position:1000px 0}}.fade-in{animation:fadeIn var(--timing-normal) var(--ease-smooth)}.slide-up{animation:slideUp var(--timing-normal) var(--ease-smooth)}.slide-down{animation:slideDown var(--timing-normal) var(--ease-smooth)}.slide-right{animation:slideRight var(--timing-normal) var(--ease-smooth)}.scale-in{animation:scaleIn var(--timing-normal) var(--ease-smooth)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-lg);border:none;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--timing-fast) var(--ease-smooth);outline:none;text-decoration:none;white-space:nowrap}.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn:active{transform:translateY(0)}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-dark)}.btn-secondary{background-color:var(--bg-tertiary);color:var(--text-primary)}.btn-secondary:hover{background-color:var(--border)}.btn-success{background-color:var(--success);color:#fff}.btn-danger{background-color:var(--error);color:#fff}.btn-ghost{background-color:transparent;color:var(--text-secondary)}.btn-ghost:hover{background-color:var(--bg-hover);box-shadow:none}.btn:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}input[type=text],input[type=number],input[type=email],textarea,select{width:100%;padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--border);border-radius:var(--radius-md);font-size:.875rem;color:var(--text-primary);background-color:var(--bg-primary);transition:all var(--timing-fast) var(--ease-smooth);outline:none}input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #6366f11a}.card{background-color:var(--bg-primary);border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-sm);transition:box-shadow var(--timing-fast) var(--ease-smooth)}.card:hover{box-shadow:var(--shadow-md)}.spinner{display:inline-block;width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}.spinner-lg{width:40px;height:40px;border-width:3px}.skeleton{background:linear-gradient(90deg,var(--bg-tertiary) 0%,var(--bg-hover) 50%,var(--bg-tertiary) 100%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-md)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn var(--timing-normal) var(--ease-smooth)}.modal{background-color:var(--bg-primary);border-radius:var(--radius-xl);max-width:90vw;max-height:90vh;overflow:auto;box-shadow:var(--shadow-xl);animation:scaleIn var(--timing-normal) var(--ease-smooth)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-sm)}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}@media (max-width: 1024px){html{font-size:15px}}@media (max-width: 768px){html{font-size:14px}.btn{padding:var(--spacing-sm) var(--spacing-md)}}@media (max-width: 480px){:root{--spacing-xl: 1.5rem;--spacing-2xl: 2rem}}