:root{--primary-color: #007bff;--primary-hover: #0056b3;--secondary-color: #6c757d;--secondary-hover: #5a6268;--success-color: #28a745;--danger-color: #dc3545;--background-gray: #f0f0f0;--background-light: #f8f9fa;--border-color: #eee;--border-dark: #ddd;--text-main: #333;--text-muted: #666;--text-light: #999;--panel-width: 320px;--toolbar-height: 60px;--border-radius: 4px;--shadow-small: 0 2px 6px rgba(0, 0, 0, .1);--shadow-medium: 2px 0 10px rgba(0, 0, 0, .1)}html,body,#root{margin:0;padding:0;height:100%;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}.app-container{display:flex;flex-direction:column;height:100%;overflow:hidden}.export-options{display:flex;flex-direction:column;gap:1rem;margin-bottom:1.5rem}.option-group{display:flex;flex-direction:column;gap:.25rem}.option-group label{font-size:.875rem;font-weight:600;color:#444}.option-group select,.option-group input{padding:.5rem;border:1px solid #ccc;border-radius:var(--border-radius);font-size:16px}.option-row{display:flex;gap:1rem}.option-row .option-group{flex:1}.modal-actions{display:flex;justify-content:flex-end;gap:1rem}button{font-family:inherit;cursor:pointer;border:none;background:none;padding:0;font-size:inherit}button:disabled{cursor:not-allowed;opacity:.6}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:.625rem 1.25rem;border-radius:var(--border-radius);font-size:1rem;font-weight:600;transition:all .2s ease;text-decoration:none}.button.primary{background-color:var(--primary-color);color:#fff}.button.primary:hover{background-color:var(--primary-hover)}.spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(0,0,0,.1);border-radius:50%;border-top-color:var(--primary-color);animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}.button.secondary{background-color:var(--secondary-color);color:#fff}.button.secondary:hover{background-color:var(--secondary-hover)}.button.success{background-color:var(--success-color);color:#fff}.button.outline{background-color:#e7f3ff;color:var(--primary-color);border:1px solid var(--primary-color)}.button.outline:hover{background-color:#d0e7ff}.button.ghost{background-color:var(--background-light);color:var(--text-muted);border:1px solid var(--border-dark)}.button.ghost:hover{background-color:var(--border-color)}.button.full-width{width:100%}.button.small{padding:.5rem .75rem;font-size:.875rem}.button-group{display:flex;gap:8px}.button-group-vertical{display:flex;flex-direction:column;gap:10px}.app-header{flex:0 0 auto;padding:1rem;background-color:#fff;border-bottom:1px solid var(--border-color);text-align:center}.app-header h1{margin:0;line-height:0}.app-logo{height:80px;width:auto;vertical-align:middle}.app-header p{margin:.25rem 0 0;font-size:.875rem;color:var(--text-muted)}.app-main{flex:1 1 auto;position:relative;overflow:hidden}.editor-container{display:flex;flex-direction:row;background-color:var(--background-gray);width:100%;height:100%;box-sizing:border-box;overflow:hidden;position:relative}.main-viewport{flex:1;position:relative;display:flex;flex-direction:column;overflow:hidden}.editor-canvas{border:1px solid #ccc;background-color:#fff;box-shadow:var(--shadow-small);display:block;flex:0 0 auto}.canvas-container{flex:1;overflow:auto;display:flex;justify-content:center;align-items:center;padding:50px;box-sizing:border-box;position:relative}.canvas-scaler{display:flex;justify-content:center;align-items:center;min-width:min-content;min-height:min-content}.zoom-slider-container{position:absolute;bottom:20px;right:20px;background:#ffffffe6;padding:8px 12px;border-radius:20px;box-shadow:var(--shadow-small);display:flex;align-items:center;gap:10px;z-index:100;border:1px solid var(--border-color)}.zoom-label{font-size:.8rem;font-weight:600;color:var(--text-main);min-width:40px;text-align:right}.zoom-slider{width:120px;cursor:pointer}.zoom-reset{background:none;border:1px solid var(--border-dark);border-radius:4px;padding:2px 6px;font-size:.75rem;cursor:pointer;color:var(--text-muted)}.zoom-reset:hover{background:var(--background-light);color:var(--text-main)}@media (max-width: 768px){.zoom-slider-container.desktop-only{display:none}}.image-picker-panel{position:absolute;top:0;left:0;width:var(--panel-width);height:100%;background:#fff;box-shadow:var(--shadow-medium);display:flex;flex-direction:column;z-index:1300;transition:transform .3s ease}.image-picker-panel.open,.design-manager-panel.open{transform:translate(0)}.design-manager-panel{position:absolute;top:0;left:0;width:var(--panel-width);height:100%;background:#fff;box-shadow:var(--shadow-medium);display:flex;flex-direction:column;z-index:1300;transition:transform .3s ease;transform:translate(-100%)}.save-controls{display:flex;gap:8px;padding:10px;background:var(--background-light);border-bottom:1px solid var(--border-color)}.save-controls input{flex:1;padding:6px 10px;border:1px solid var(--border-dark);border-radius:var(--border-radius);font-size:16px}.save-controls button{background-color:var(--success-color);color:#fff;border-radius:var(--border-radius);font-weight:600}.design-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:15px;padding:15px}.design-card{border:1px solid var(--border-color);border-radius:8px;overflow:hidden;background:#fff;transition:box-shadow .2s;position:relative}.design-card:hover{box-shadow:0 4px 12px #0000001a}.design-card-thumbnail{position:relative;aspect-ratio:1;background:var(--background-gray);cursor:pointer;overflow:hidden}.design-card-thumbnail img{width:100%;height:100%;object-fit:contain}.design-card-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#0006;display:flex;justify-content:center;align-items:center;opacity:0;transition:opacity .2s}.design-card-thumbnail:hover .design-card-overlay{opacity:1}.load-button{background:#fff;color:var(--text-main);border:none;padding:6px 12px;border-radius:var(--border-radius);font-weight:600;cursor:pointer}.design-card-info{padding:10px;position:relative}.design-card-info h3{margin:0;font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding-right:25px}.design-card-info p{margin:4px 0 0;font-size:.75rem;color:#888}.design-card-info .delete-button{position:absolute;top:8px;right:8px;background:transparent;border:none;color:#ccc;font-size:1.2rem;line-height:1;cursor:pointer;padding:0}.design-card-info .delete-button:hover{color:var(--danger-color)}.object-panel{width:var(--panel-width);height:100%;background:#fff;border-left:1px solid var(--border-color);padding:1.5rem;box-sizing:border-box;display:flex;flex-direction:column;overflow-y:auto;z-index:1000}@media (max-width: 768px){.object-panel{position:absolute;right:0;top:0;width:100%;height:100%;z-index:1100;transform:translate(100%);transition:transform .3s ease}.object-panel.open{transform:translate(0)}.image-picker-panel{width:100%;transform:translate(-100%)}.image-picker-panel.open{transform:translate(0)}}.panel-header{display:flex;justify-content:space-between;align-items:center;padding:1rem;border-bottom:1px solid var(--border-color)}.panel-header h2{margin:0;font-size:1.25rem}.close-button,.modal-close{background:none;border:none;font-size:1.5rem;cursor:pointer;padding:10px;display:flex;align-items:center;justify-content:center;line-height:1;color:var(--text-muted);transition:color .2s}.close-button:hover,.modal-close:hover{color:var(--text-main)}@media (max-width: 768px){.close-button,.modal-close{font-size:2rem;width:44px;height:44px;padding:0}}.panel-controls{display:flex;gap:.5rem;padding:1rem;border-bottom:1px solid var(--border-color)}.panel-content{flex:1;overflow-y:auto;padding:1rem;position:relative}.panel-content.dragging{background-color:#f0f7ff;outline:2px dashed var(--primary-color);outline-offset:-10px}.empty-state{display:flex;flex-direction:column;justify-content:center;align-items:center;height:100%;color:var(--text-light);text-align:center}.empty-state .small{font-size:.8rem;margin-top:.5rem}.image-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(calc(80px * var(--thumbnail-scale, 1)),1fr));gap:10px}.image-thumbnail{aspect-ratio:1;overflow:hidden;border-radius:var(--border-radius);cursor:pointer;position:relative;border:1px solid var(--border-dark);transition:transform .1s}.image-thumbnail:hover{transform:scale(1.02);border-color:var(--primary-color)}.image-thumbnail img{width:100%;height:100%;object-fit:cover}.image-thumbnail-info{position:absolute;bottom:0;left:0;right:0;background:#00000080;color:#fff;font-size:10px;padding:2px 4px;opacity:0;transition:opacity .2s}.image-thumbnail:hover .image-thumbnail-info{opacity:1}.panel-footer{padding:.5rem 1rem;border-top:1px solid var(--border-color);display:flex;justify-content:center}.panel-footer input[type=range]{width:100%}.bottom-toolbar{position:fixed;bottom:0;left:0;right:0;height:var(--toolbar-height);background:#fff;border-top:1px solid var(--border-dark);display:flex;justify-content:center;align-items:center;gap:20px;z-index:1050}.toolbar-button{display:flex;flex-direction:column;align-items:center;padding:.5rem 1rem;color:var(--text-main)}.toolbar-button:hover{background-color:var(--background-light);border-radius:var(--border-radius)}.toolbar-button .icon{font-size:1.5rem}.toolbar-button .label{font-size:.75rem}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;justify-content:center;align-items:center;z-index:2000}.modal-content{background:#fff;padding:2rem;border-radius:8px;max-width:600px;width:90%;max-height:80vh;overflow-y:auto;position:relative}.modal-close{position:absolute;top:.5rem;right:.5rem}@media (max-width: 768px){.modal-close{top:.25rem;right:.25rem}}.shortcut-table{width:100%;border-collapse:collapse;margin-top:1rem}.shortcut-table th,.shortcut-table td{border:1px solid var(--border-dark);padding:8px;text-align:left}.shortcut-table th{background-color:#f2f2f2}@media (max-width: 768px){.desktop-only{display:none}.app-header{padding:.5rem}.app-header h1{font-size:1.25rem}.app-logo{height:50px}.bottom-toolbar{gap:10px}.toolbar-button{padding:.5rem}}.app-main{padding-bottom:var(--toolbar-height)}.app-container{display:flex;flex-direction:column;min-height:100vh;font-family:Arial,sans-serif}.app-header{text-align:center;padding:1rem;background-color:#fff;border-bottom:1px solid var(--border-dark)}.app-header h1{margin:0;font-size:2rem;color:var(--text-main)}.app-header p{margin:.25rem 0 0;color:var(--text-muted)}.app-main{flex:1;display:flex;justify-content:center;align-items:center}.layer-manager-panel{position:absolute;top:0;left:0;width:var(--panel-width);height:100%;background-color:#fff;box-shadow:2px 0 5px #0000001a;display:flex;flex-direction:column;z-index:1300;transform:translate(-100%);transition:transform .3s ease}.layer-manager-panel.open{transform:translate(0)}.layer-list{display:flex;flex-direction:column;padding:.5rem;gap:.25rem}.layer-item{display:flex;align-items:center;justify-content:space-between;padding:.5rem;border:1px solid var(--border-color);border-radius:var(--border-radius);cursor:pointer;background-color:#fff}.layer-item:hover{background-color:var(--background-light)}.layer-item.selected{border-color:var(--primary-color);background-color:#e7f1ff}.layer-item.dragging{opacity:.3;background-color:var(--background-gray);cursor:grabbing}.layer-item.shift-up{transform:translateY(-5px);transition:transform .2s ease}.layer-item.shift-down{transform:translateY(5px);transition:transform .2s ease}.layer-placeholder{height:40px;border:2px dashed var(--primary-color);border-radius:var(--border-radius);background-color:#f0f7ff;margin:2px 0}.layer-name-container{flex:1;display:flex;align-items:center;gap:.5rem;overflow:hidden}.layer-name{font-size:.875rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:150px}.layer-name-input{width:100%;padding:.2rem .4rem;font-size:16px;border:1px solid var(--primary-color);border-radius:var(--border-radius)}.layer-actions{display:flex;align-items:center;gap:.25rem}.icon-button{padding:4px;border-radius:var(--border-radius);font-size:1rem;display:flex;align-items:center;justify-content:center;transition:background-color .2s;color:var(--text-muted)}.icon-button:hover{background-color:#e9ecef}.icon-button.active{color:var(--primary-color)}.icon-button.inactive{opacity:.5}.drag-handle{cursor:grab;padding:4px;color:#ccc;font-size:1.25rem;-webkit-user-select:none;user-select:none}.background-item{margin-top:1rem;border-style:dashed;background-color:#fdfdfd}@media (max-width: 768px){.layer-manager-panel{width:100%;height:calc(100% - 60px);top:60px;z-index:1500}}