.app{min-height:100vh}header{text-align:center;margin-bottom:2rem}header h1{margin:0;font-size:2.5rem;color:#646cff}header p{margin:.5rem 0 0;color:#888}main{padding:1rem}.upload-section,.chart-section{display:flex;flex-direction:column;gap:2rem;align-items:center}.image-preview{max-width:500px;text-align:center}.image-preview img{max-width:100%;height:auto;border:2px solid #646cff;border-radius:8px}.process-button{padding:1rem 2rem;font-size:1.1rem;background-color:#646cff;color:#fff;border:none;border-radius:8px;cursor:pointer;transition:background-color .3s}.process-button:hover:not(:disabled){background-color:#535bf2}.process-button:disabled{opacity:.6;cursor:not-allowed}.chart-actions{display:flex;gap:1rem;margin-top:1rem}.chart-actions button{padding:.75rem 1.5rem;font-size:1rem;background-color:#646cff;color:#fff;border:none;border-radius:8px;cursor:pointer;transition:background-color .3s}.chart-actions button:hover{background-color:#535bf2}.image-upload{width:100%;max-width:600px}.upload-area{border:2px dashed #646cff;border-radius:12px;padding:3rem 2rem;text-align:center;cursor:pointer;transition:all .3s;background-color:#646cff0d}.upload-area:hover{border-color:#535bf2;background-color:#646cff1a}.upload-content svg{color:#646cff;margin-bottom:1rem}.upload-content p{margin:.5rem 0;font-size:1.1rem}.upload-hint{font-size:.9rem!important;color:#888}.processing-options{width:100%;max-width:600px;padding:1.5rem;border:1px solid #646cff;border-radius:8px;background-color:#646cff0d}.processing-options h2{margin-top:0;color:#646cff}.options-notification{background-color:#ffc107;color:#000;padding:.75rem 1rem;border-radius:4px;margin-bottom:1rem;font-weight:500;border-left:4px solid #ff9800;animation:slideIn .3s ease-out}@keyframes slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.option-group{margin-bottom:1.5rem}.option-group label{display:flex;flex-direction:column;gap:.5rem;font-weight:500}.option-group input[type=number],.option-group select{padding:.5rem;border:1px solid #ccc;border-radius:4px;font-size:1rem;background-color:#fff;color:#213547}.checkbox-group label{flex-direction:row;align-items:center;gap:.75rem}.checkbox-group input[type=checkbox]{width:1.2rem;height:1.2rem;cursor:pointer}@media (prefers-color-scheme: dark){.option-group input[type=number],.option-group select{background-color:#1a1a1a;color:#ffffffde;border-color:#444}}.symbol-legend{margin-top:2rem;padding:1.5rem;background:#fff;border-radius:8px;box-shadow:0 2px 4px #0000001a}.symbol-legend h3{margin:0 0 1rem;color:#333;font-size:1.2rem}.legend-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:.75rem}.legend-item{display:flex;align-items:center;gap:1rem;padding:.5rem;background:#f8f9fa;border-radius:4px}.legend-symbol{flex-shrink:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid #ddd;border-radius:4px;font-family:monospace;font-size:18px;font-weight:700}.legend-meaning{flex:1;font-size:.9rem;color:#555}.chart-preview{width:100%;max-width:1000px}.chart-preview h2{text-align:center;color:#646cff}.chart-info{display:flex;justify-content:center;gap:2rem;margin-bottom:1rem;font-size:.9rem;color:#888}.chart-grid{display:inline-block;border:2px solid #333;padding:.5rem;background-color:#fff;overflow-x:auto;max-width:100%}.chart-row{display:flex;align-items:center}.row-number{min-width:2rem;text-align:right;margin-right:.5rem;font-size:.75rem;color:#666;font-weight:700}.chart-cell{width:20px;height:20px;border:1px solid #ccc;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700;position:relative}.stitch-symbol{color:#000;text-shadow:0 0 2px white}.stitch-numbers{margin-top:.25rem}.stitch-number{width:20px;text-align:center;font-size:.65rem;color:#666;display:inline-block;border:1px solid transparent}.color-palette{margin-top:2rem;padding:1rem;border:1px solid #646cff;border-radius:8px}.color-palette h3{margin-top:0;color:#646cff}.palette-colors{display:flex;flex-wrap:wrap;gap:1rem}.palette-item{display:flex;align-items:center;gap:.5rem}.palette-swatch{width:30px;height:30px;border:1px solid #333;border-radius:4px}.palette-item span{font-family:monospace;font-size:.9rem}@media print{.chart-preview{max-width:100%}.chart-grid{overflow:visible;max-width:none;page-break-inside:avoid}.chart-row{page-break-inside:avoid}.chart-cell{width:15px;height:15px;font-size:.6rem}.stitch-number{width:15px;font-size:.55rem}.row-number{font-size:.65rem}.chart-actions,.export-panel,header,.app-footer{display:none!important}.color-palette{page-break-before:avoid;page-break-inside:avoid}}.chart-editor{width:100%;max-width:1000px}.editor-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.editor-header h2{margin:0;color:#646cff}.editor-actions{display:flex;gap:1rem;align-items:center}.undo-redo-buttons{display:flex;gap:.5rem}.undo-button,.redo-button{padding:.5rem 1rem;background-color:#646cff;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:.9rem;transition:background-color .3s}.undo-button:hover:not(:disabled),.redo-button:hover:not(:disabled){background-color:#535ac1}.undo-button:disabled,.redo-button:disabled{background-color:#ccc;cursor:not-allowed;opacity:.5}.done-button{padding:.75rem 1.5rem;background-color:#4caf50;color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:1rem;transition:background-color .3s}.done-button:hover{background-color:#45a049}.editor-tools{display:flex;gap:2rem;margin-bottom:2rem;padding:1rem;border:1px solid #646cff;border-radius:8px;background-color:#646cff0d}.tool-section h3{margin-top:0;font-size:1rem;color:#646cff}.color-selector{display:flex;gap:.5rem;flex-wrap:wrap}.color-option{width:40px;height:40px;border:2px solid #ccc;border-radius:4px;cursor:pointer;transition:all .2s}.color-option:hover{transform:scale(1.1)}.color-option.selected{border-color:#646cff;border-width:3px;box-shadow:0 0 8px #646cff80}.symbol-selector{display:flex;gap:.5rem;flex-wrap:wrap}.symbol-option{width:40px;height:40px;border:2px solid #ccc;border-radius:4px;background-color:#fff;cursor:pointer;font-weight:700;transition:all .2s}.symbol-option:hover{transform:scale(1.1)}.symbol-option.selected{border-color:#646cff;border-width:3px;background-color:#646cff1a}.chart-grid.editable{border:2px solid #646cff;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}.chart-cell.editable{cursor:crosshair;transition:all .1s}.chart-cell.editable:hover{transform:scale(1.2);z-index:10;box-shadow:0 0 4px #646cffcc}.color-tools{margin-top:1rem}.toggle-tools-button{padding:.5rem 1rem;background-color:#646cff;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:.9rem;transition:background-color .3s}.toggle-tools-button:hover{background-color:#535ac1}.custom-color-section{margin-top:1rem;padding:1rem;border:1px solid #646cff;border-radius:4px;background-color:#646cff0d}.custom-color-picker{display:flex;flex-direction:column;gap:.5rem}.custom-color-picker label{display:flex;align-items:center;gap:.5rem;font-weight:500}.custom-color-picker input[type=color]{width:50px;height:35px;border:1px solid #ccc;border-radius:4px;cursor:pointer}.color-value{font-family:monospace;font-size:.9rem}.add-color-button{padding:.5rem 1rem;background-color:#4caf50;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:.9rem;transition:background-color .3s}.add-color-button:hover{background-color:#45a049}.color-replace-section{margin-top:1rem;padding:1rem;border:2px solid #ff9800;border-radius:4px;background-color:#ff98001a}.color-replace-section p{margin:.5rem 0;font-weight:500}.color-preview{width:50px;height:50px;border:2px solid #333;border-radius:4px;display:inline-block;margin:.5rem 0}.replace-actions{display:flex;gap:.5rem;margin-top:1rem}.replace-button{padding:.5rem 1rem;background-color:#ff9800;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:.9rem;transition:background-color .3s}.replace-button:hover{background-color:#f57c00}.cancel-button{padding:.5rem 1rem;background-color:#ccc;color:#333;border:none;border-radius:4px;cursor:pointer;font-size:.9rem;transition:background-color .3s}.cancel-button:hover{background-color:#bbb}@media (prefers-color-scheme: dark){.symbol-option{background-color:#1a1a1a;color:#ffffffde}}.export-panel{width:100%;max-width:600px;margin-top:2rem;padding:1.5rem;border:1px solid #646cff;border-radius:8px;background-color:#646cff0d}.export-panel h2{margin-top:0;color:#646cff}.export-options{margin-bottom:1.5rem}.export-actions{display:flex;gap:1rem;justify-content:center}.print-button,.export-button{padding:.75rem 1.5rem;font-size:1rem;border:none;border-radius:8px;cursor:pointer;transition:all .3s}.print-button{background-color:#4caf50;color:#fff}.print-button:hover{background-color:#45a049}.export-button{background-color:#646cff;color:#fff}.export-button:hover:not(:disabled){background-color:#535bf2}.export-button:disabled{opacity:.6;cursor:not-allowed}.app-footer{background-color:#f5f5f5;border-top:1px solid #ddd;padding:2rem 1rem 1rem;margin-top:3rem}.footer-content{max-width:1200px;margin:0 auto;text-align:center}.footer-section{margin-bottom:1rem}.trademark{font-weight:600;color:#333;margin:0;font-size:1rem}.footer-link{color:#06c;text-decoration:none;transition:color .2s;padding:0 .5rem}.footer-link:hover{color:#049;text-decoration:underline}.footer-separator{color:#999;padding:0 .25rem}.footer-note{font-size:.875rem;color:#666;margin:0;line-height:1.5}@media print{.app-footer{display:none}}@media (max-width: 768px){.app-footer{padding:1.5rem .5rem .5rem}.footer-section{margin-bottom:.75rem}.footer-link{display:inline-block;padding:.25rem .5rem}.footer-separator{display:none}}:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;padding:0;min-height:100vh}#root{max-width:1280px;margin:0 auto;padding:2rem}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}}