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8px;display:flex}.toolbar-group{align-items:center;gap:4px;display:flex}.toolbar-label{color:var(--text-secondary);margin-right:4px;font-size:12px}.radio-group{gap:2px;display:flex}.radio-item{cursor:pointer;border-radius:4px;align-items:center;padding:4px 10px;font-size:13px;transition:all .15s;display:flex}.radio-item input{display:none}.radio-item:hover{background:#f0f0f0}.radio-item.active{color:#1565c0;background:#e3f2fd}.radio-item.side-front.active{color:#2e7d32;background:#e8f5e9}.radio-item.side-back.active{color:#1565c0;background:#e3f2fd}.toolbar-divider{background:var(--border-color);width:1px;height:24px;margin:0 4px}.toolbar-btn{cursor:pointer;width:32px;height:32px;color:var(--text-secondary);background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;transition:all .15s;display:flex}.toolbar-btn:hover{color:var(--text-primary);background:#f0f0f0}.toolbar-btn.accent{background:var(--primary-color);color:#fff}.toolbar-btn.accent:hover{background:var(--primary-dark)}.toolbar-spacer{flex:1}.toolbar-info{color:var(--text-light);font-size:12px}.side-indicator{height:var(--side-indicator-height);transition:background-color .3s}.main-content{flex:1;display:flex;overflow:hidden}.canvas-area{flex-direction:column;flex:1;display:flex;overflow:hidden}.canvas-container{background:var(--bg-dark);flex:1;position:relative;overflow:hidden}.canvas-container canvas{display:block}.canvas-info{color:#fff;background:#0009;border-radius:4px;gap:8px;padding:4px 10px;font-size:12px;display:flex;position:absolute;bottom:8px;left:8px}.right-panel{width:var(--right-panel-width);border-left:1px solid var(--border-color);background:#fff;flex-direction:column;display:flex;overflow:hidden}.side-banner{color:#fff;justify-content:space-between;align-items:center;padding:8px 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var(--border-color);cursor:pointer;background:#fff;border-radius:4px;justify-content:center;align-items:center;width:28px;height:28px;transition:all .15s;display:flex}.btn-icon:hover:not(:disabled){background:#f0f0f0}.btn-icon:disabled{opacity:.4;cursor:not-allowed}.btn-icon.danger:hover:not(:disabled){color:#c62828;background:#ffebee;border-color:#ef5350}.properties-panel{flex-direction:column;flex:1;display:flex;overflow-y:auto}.properties-panel.empty{justify-content:center;align-items:center}.empty-state{text-align:center;color:var(--text-light);padding:20px}.properties-header{color:#fff;padding:10px 12px;font-size:13px;font-weight:500}.properties-body{padding:8px}.property-row{align-items:center;margin-bottom:8px;display:flex}.property-row label{width:80px;color:var(--text-secondary);font-size:12px}.property-value{flex:1}.property-value input[type=text],.property-value input[type=number],.property-value select{border:1px solid var(--border-color);border-radius:4px;width:100%;padding:6px 8px;font-size:13px}.property-value input:focus,.property-value select:focus{border-color:var(--primary-color);outline:none}.color-input{align-items:center;gap:8px;display:flex}.color-input input[type=color]{border:1px solid var(--border-color);cursor:pointer;border-radius:4px;width:32px;height:28px;padding:0}.color-value{color:var(--text-secondary);font-size:12px}.slider-input{align-items:center;gap:8px;display:flex}.slider-input input[type=range]{flex:1}.slider-input span{text-align:right;width:40px;color:var(--text-secondary);font-size:12px}.checkbox-label{cursor:pointer;align-items:center;gap:6px;display:flex}.preview-controls{border-top:1px solid var(--border-color);background:#f9f9f9;align-items:center;gap:8px;padding:10px 12px;display:flex}.preview-controls label{color:var(--text-secondary);font-size:12px}.preview-controls select{border:1px solid var(--border-color);border-radius:4px;flex:1;padding:4px 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var(--border-color);border-radius:4px;align-items:center;gap:8px;margin-bottom:6px;padding:8px 10px;display:flex}.template-name{flex:1;font-weight:500}.template-date{color:var(--text-light);font-size:12px}.template-item button{border:1px solid var(--border-color);cursor:pointer;background:#fff;border-radius:4px;padding:4px 10px;font-size:12px}.template-item button:hover{background:#f5f5f5}.template-item button.danger{color:#c62828;border-color:#ef5350}.template-item button.danger:hover{background:#ffebee}.export-options{flex-direction:column;gap:8px;display:flex}.export-btn{border:1px solid var(--border-color);cursor:pointer;background:#fff;border-radius:4px;padding:12px;font-size:14px;transition:all 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var(--border-color);background:#fff;border-radius:4px;flex:1;margin:10px}.imposition-info{background:#f5f5f5;border-radius:4px;margin:12px 0;padding:10px}.info-row{justify-content:space-between;margin-bottom:4px;font-size:12px;display:flex}.info-label{color:var(--text-secondary)}.info-value{color:var(--text-primary);font-weight:500}.info-error{color:#c62828;text-align:center;font-size:12px}.preview-toggle{margin-top:8px}.preview-toggle button{border:1px solid var(--border-color);cursor:pointer;background:#fff;border-radius:4px;margin-right:4px;padding:4px 12px;font-size:12px}.preview-toggle button.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.preview-toggle button:hover:not(.active){background:#f0f0f0}