:root{--primary-color: #000000ff;--secondary-color: #64748b;--success-color: #1b8140ff;--danger-color: #dc2626ff;--border-color: #e2e8f0;--background-color: #f8fafc;--text-color: #1e293b}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:var(--background-color);color:var(--text-color);line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:20px}header{text-align:center;margin-bottom:40px;padding:30px 0}header h1{font-size:2.5rem;margin-bottom:10px;color:var(--primary-color)}header p{font-size:1.1rem;color:var(--secondary-color)}main{background:#fff;border-radius:8px;box-shadow:0 1px 3px #0000001a;padding:30px}.form-section{display:grid;grid-template-columns:1fr 1fr;gap:30px}.input-section,.preview-section,.layout-section,.generate-section{padding:20px;border:1px solid var(--border-color);border-radius:6px;background:#fafafa}h2{font-size:1.3rem;margin-bottom:20px;color:var(--primary-color)}h3{font-size:1.1rem;margin:15px 0 10px;color:var(--text-color)}.input-tabs{display:flex;gap:10px;margin-bottom:20px;border-bottom:2px solid var(--border-color)}.tab-btn{padding:10px 20px;border:none;background:transparent;cursor:pointer;color:var(--secondary-color);font-weight:500;border-bottom:3px solid transparent;transition:all .3s ease}.tab-btn.active{color:var(--primary-color);border-bottom-color:var(--primary-color)}.tab-btn:hover{color:var(--primary-color)}.tab-content{display:none}.tab-content.active{display:block}.format-selector,.sort-selector{margin-bottom:20px;padding:15px;background:#fff;border-radius:6px;border:1px solid var(--border-color)}.format-selector label,.sort-selector label{display:block;margin-bottom:8px;font-weight:500;color:var(--text-color)}.format-selector-header label{margin-bottom:10px}.field-order-list{display:grid;gap:8px;list-style:none;margin-bottom:10px}.field-order-item{position:relative;display:flex;align-items:center;gap:10px;min-height:40px;padding:8px 10px;border:1px solid var(--border-color);border-radius:4px;background:#fff;cursor:grab}.field-order-item.dragging{opacity:.55}.field-order-item.drop-before:before,.field-order-item.drop-after:after{content:"";position:absolute;left:0;right:0;height:6px;border-radius:999px;background:var(--primary-color);pointer-events:none;z-index:2}.field-order-item.drop-before:before{top:-7px}.field-order-item.drop-after:after{bottom:-7px}.field-order-item label{display:flex;align-items:center;gap:8px;flex:1;margin-bottom:0;cursor:pointer}.field-order-item input{width:auto}.drag-handle{color:var(--secondary-color);font-weight:700;line-height:1}.sort-selector select{width:100%;padding:10px 12px;border:1px solid var(--border-color);border-radius:4px;font-size:.95rem;background:#fff;cursor:pointer}.sort-selector select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #0000000d}.folder-selector{margin-top:15px;padding:15px;background:#fff;border-radius:6px;border:1px solid var(--border-color)}.folder-selector label{display:block;margin-bottom:8px;font-weight:500;color:var(--text-color)}.folder-selector small{display:block;margin-top:8px;color:var(--text-muted, #666)}.empty-selector,.line-selector{margin-top:15px;padding:15px;background:#fff;border-radius:6px;border:1px solid var(--border-color)}.empty-selector label,.line-selector label{display:block;margin-bottom:8px;font-weight:500;color:var(--text-color)}.line-selector label{display:flex;align-items:center;gap:8px;margin-bottom:0}.line-selector input{width:auto}.empty-selector input{width:100%;padding:10px 12px;border:1px solid var(--border-color);border-radius:4px;font-size:.95rem}.upload-area{border:2px dashed var(--border-color);border-radius:6px;padding:40px;text-align:center;cursor:pointer;transition:all .3s ease;background:#fff}.upload-area:hover,.upload-area.dragover{border-color:var(--primary-color);background:#f0f7ff}.upload-icon{width:48px;height:48px;margin:0 auto 10px;color:var(--primary-color);stroke-width:2}.upload-area p{font-weight:500;margin-bottom:5px}.upload-area small{color:var(--secondary-color);display:block}textarea{width:100%;height:200px;padding:12px;border:1px solid var(--border-color);border-radius:4px;font-family:Monaco,Menlo,monospace;font-size:.9rem;resize:vertical;margin-bottom:15px}.btn{padding:10px 20px;border:none;border-radius:4px;cursor:pointer;font-weight:500;transition:all .3s ease;width:100%;margin-top:10px}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover:not(:disabled){background-color:#1d4ed8}.btn-success{background-color:var(--success-color);color:#fff}.btn-success:hover:not(:disabled){background-color:#15803d}.btn-secondary{background-color:var(--secondary-color);color:#fff}.btn-secondary:hover:not(:disabled){background-color:#475569}.btn:disabled{opacity:.5;cursor:not-allowed}.preview-table{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:.9rem}th{background-color:var(--primary-color);color:#fff;padding:12px;text-align:left;font-weight:600}td{padding:10px 12px;border-bottom:1px solid var(--border-color)}tr:hover{background-color:#f0f7ff}.delete-btn{background-color:var(--danger-color);color:#fff;border:none;padding:4px 8px;border-radius:3px;cursor:pointer;font-size:.85rem}.delete-btn:hover{background-color:#b91c1c}.no-preview{text-align:center;padding:40px 20px;color:var(--secondary-color);font-style:italic}.form-group{margin-bottom:15px}.form-group label{display:block;margin-bottom:5px;font-weight:500;color:var(--text-color)}.form-group input,.form-group select{width:100%;padding:8px 12px;border:1px solid var(--border-color);border-radius:4px;font-size:1rem}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:15px}.modal{display:none!important;position:fixed;z-index:1000;left:0;top:0;width:100%;height:100%;background-color:#00000080}.modal.show{display:flex!important;align-items:center;justify-content:center}.modal-content{background-color:#fff;padding:0;border-radius:8px;width:95vw;max-width:1400px;height:95vh;display:flex;flex-direction:column;box-shadow:0 4px 6px #0000001a}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:15px 20px;border-bottom:1px solid var(--border-color);flex-shrink:0}.modal-header h2{margin:0;font-size:1.3rem}.close-btn{background:none;border:none;font-size:28px;cursor:pointer;color:var(--secondary-color);line-height:1;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center}.close-btn:hover{color:var(--text-color)}.modal-body{flex:1;overflow:hidden;padding:20px;display:flex;flex-direction:column;gap:15px;min-height:0}#pdfViewer{flex:1;overflow:auto;border:1px solid var(--border-color);border-radius:4px;background:#e5e5e5;display:flex;align-items:flex-start;justify-content:center;min-height:0;padding:20px}#pdfViewer canvas{display:block;box-shadow:0 2px 8px #0003;background:#fff}#pdfControls{display:flex;justify-content:center;align-items:center;gap:15px;flex-wrap:wrap;padding:12px;background:var(--background-color);border-radius:4px;flex-shrink:0;border:1px solid var(--border-color)}.control-group{display:flex;align-items:center;gap:8px}.control-separator{width:1px;height:30px;background:var(--border-color)}#pdfControls button{padding:8px 16px;border:1px solid var(--border-color);background:#fff;border-radius:4px;cursor:pointer;transition:all .2s ease;font-size:.9rem;white-space:nowrap;font-weight:500}#pdfControls button:hover:not(:disabled){background:var(--primary-color);color:#fff;border-color:var(--primary-color)}#pdfControls button:disabled{opacity:.5;cursor:not-allowed}#pdfControls .btn-success{background-color:var(--success-color);color:#fff;border-color:var(--success-color)}#pdfControls .btn-success:hover:not(:disabled){background-color:#15803d}#zoomOutBtn,#zoomInBtn{font-size:1.2rem;font-weight:700;padding:8px 12px;min-width:40px}#zoomResetBtn{min-width:60px}#pageInfo{display:inline-block;padding:8px 16px;background:var(--background-color);border-radius:4px;font-weight:500}@media (max-width: 768px){.form-section{grid-template-columns:1fr}header h1{font-size:1.8rem}.grid-2{grid-template-columns:1fr}main{padding:20px}}.error{color:var(--danger-color);font-size:.9rem;margin-top:5px}.success{color:var(--success-color);font-size:.9rem;margin-top:5px}.loading{display:inline-block;width:16px;height:16px;border:2px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}