fix: remove left footer symbols + right sidebar edge toggle/resize + rename tab to Einstellungen

frontend/src/App.tsx

@@ -155,6 +155,7 @@ const CADEditor: React.FC<CADEditorProps> = ({ projectId, token, onNavigateBack
   // Desktop sidebar collapse
   const [leftSidebarCollapsed, setLeftSidebarCollapsed] = useState(false);
   const [leftbarWidth, setLeftbarWidth] = useState(200);
+  const [rightbarWidth, setRightbarWidth] = useState(300);
   const [rightSidebarCollapsed, setRightSidebarCollapsed] = useState(false);
   const [settingsOpen, setSettingsOpen] = useState(false);
   const [activeDrawerTab, setActiveDrawerTab] = useState<DrawerTab>('tool');
@@ -1640,9 +1641,11 @@ const CADEditor: React.FC<CADEditorProps> = ({ projectId, token, onNavigateBack
           onKISuggestionClick={handleSuggestionClick}
           kiLoading={kiLoading}
           className={mobileRightOpen ? 'open' : ''}
-          onCollapse={() => setMobileRightOpen(false)}
+          onCollapse={() => { setMobileRightOpen(false); setRightSidebarCollapsed(true); }}
           collapsed={rightSidebarCollapsed}
           onToggleCollapse={() => setRightSidebarCollapsed((p) => !p)}
+          rightbarWidth={rightbarWidth}
+          onWidthChange={setRightbarWidth}
           onReorder={handleReorderLayer}
           onAddSubLayer={handleAddSubLayer}
           onUpdateElement={handleUpdateElement}

frontend/src/components/LeftSidebar.tsx

@@ -200,17 +200,6 @@ const LeftSidebar: React.FC<LeftSidebarProps> = ({ activeTool, onToolChange, sel
 
       <div className="leftbar-resize-handle" onMouseDown={handleResizeMouseDown} />
 
-      <div className="leftbar-footer">
-        <button className="leftbar-footer-btn" title="Plugin hinzufügen" aria-label="Plugin hinzufügen">
-          <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><circle cx="12" cy="12" r="10"/><line x1="12" y1="8" x2="12" y2="16"/><line x1="8" y1="12" x2="16" y2="12"/></svg>
-        </button>
-        <button className="leftbar-footer-btn" title="Werkzeugkasten anpassen" aria-label="Werkzeugkasten anpassen">
-          <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><circle cx="12" cy="12" r="3"/><path d="M19.4 15a1.65 1.65 0 0 0 .33 1.82l.06.06a2 2 0 0 1 0 2.83 2 2 0 0 1-2.83 0l-.06-.06a1.65 1.65 0 0 0-1.82-.33 1.65 1.65 0 0 0-1 1.51V21a2 2 0 0 1-2 2 2 2 0 0 1-2-2v-.09A1.65 1.65 0 0 0 9 19.4a1.65 1.65 0 0 0-1.82.33l-.06.06a2 2 0 0 1-2.83 0 2 2 0 0 1 0-2.83l.06-.06a1.65 1.65 0 0 0 .33-1.82 1.65 1.65 0 0 0-1.51-1H3a2 2 0 0 1-2-2 2 2 0 0 1 2-2h.09A1.65 1.65 0 0 0 4.6 9a1.65 1.65 0 0 0-.33-1.82l-.06-.06a2 2 0 0 1 0-2.83 2 2 0 0 1 2.83 0l.06.06a1.65 1.65 0 0 0 1.82.33H9a1.65 1.65 0 0 0 1-1.51V3a2 2 0 0 1 2-2 2 2 0 0 1 2 2v.09a1.65 1.65 0 0 0 1 1.51 1.65 1.65 0 0 0 1.82-.33l.06-.06a2 2 0 0 1 2.83 0 2 2 0 0 1 0 2.83l-.06.06a1.65 1.65 0 0 0-.33 1.82V9a1.65 1.65 0 0 0 1.51 1H21a2 2 0 0 1 2 2 2 2 0 0 1-2 2h-.09a1.65 1.65 0 0 0-1.51 1z"/></svg>
-        </button>
-        <button className="leftbar-footer-btn" title="Hilfe (F1)" aria-label="Hilfe">
-          <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><circle cx="12" cy="12" r="10"/><path d="M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3"/><line x1="12" y1="17" x2="12.01" y2="17"/></svg>
-        </button>
-      </div>
     </aside>
   );
 };

frontend/src/components/RightSidebar.tsx

@@ -1,4 +1,4 @@
-import React from 'react';
+import React, { useCallback } from 'react';
 import type { RightSidebarProps, RightPanel } from '../types/ui.types';
 import PropertiesPanel from './PropertiesPanel';
 import LayerPanel from './LayerPanel';
@@ -6,8 +6,11 @@ import BlockLibrary from './BlockLibrary';
 import BlockLibraryTree from './BlockLibraryTree';
 import KICopilot from './KICopilot';
 
+const MIN_RIGHTBAR_WIDTH = 200;
+const MAX_RIGHTBAR_WIDTH = 500;
+
 const tabs: Array<{ id: RightPanel; label: string; svg: React.ReactNode; badge?: number }> = [
-  { id: 'tool', label: 'Werkzeug', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M14.7 6.3a1 1 0 0 0 0 1.4l1.6 1.6a1 1 0 0 0 1.4 0l3.77-3.77a6 6 0 0 1-7.94 7.94l-6.91 6.91a2.12 2.12 0 0 1-3-3l6.91-6.91a6 6 0 0 1 7.94-7.94l-3.76 3.76z"/></svg> },
+  { id: 'tool', label: 'Einstellungen', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M14.7 6.3a1 1 0 0 0 0 1.4l1.6 1.6a1 1 0 0 0 1.4 0l3.77-3.77a6 6 0 0 1-7.94 7.94l-6.91 6.91a2.12 2.12 0 0 1-3-3l6.91-6.91a6 6 0 0 1 7.94-7.94l-3.76 3.76z"/></svg> },
   { id: 'layer', label: 'Layer', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><polygon points="12 2 2 7 12 12 22 7 12 2"/><polyline points="2 17 12 22 22 17"/><polyline points="2 12 12 17 22 12"/></svg> },
   { id: 'library', label: 'Bibliothek', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M3 7a2 2 0 0 1 2-2h4l2 2h7a2 2 0 0 1 2 2v8a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"/><line x1="3" y1="12" x2="21" y2="12"/></svg> },
   { id: 'ki', label: 'KI', svg: <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><path d="M12 8V4H8"/><rect width="16" height="12" x="4" y="8" rx="2"/><path d="M2 14h2"/><path d="M20 14h2"/><path d="M15 13v2"/><path d="M9 13v2"/></svg>, badge: 2 },
@@ -19,8 +22,8 @@ const RightSidebar: React.FC<RightSidebarProps> = ({
   activeLayerId, onSelectLayer, onAddLayer, onToggleLayer,
   onDeleteLayer, onRenameLayer, onDuplicateLayer, onToggleLock,
   onReorder, onAddSubLayer,
-          onElementsDeleted, onToggleElementVisible,
-          elements,
+  onElementsDeleted, onToggleElementVisible,
+  elements,
   onRenameBlock, onDuplicateBlock, onDeleteBlock, onSvgImport, onSaveGroupAsBlock,
   onBlockCategoryChange, onBlockSearch, onDragBlock,
   kiMessages, kiSuggestions, onKISend, onKISuggestionClick, kiLoading, onUpdateElement,
@@ -33,76 +36,117 @@ const RightSidebar: React.FC<RightSidebarProps> = ({
   token,
   unit = 'mm',
   scaleFactor = 1,
+  rightbarWidth = 300,
+  onWidthChange,
 }) => {
+  const handleResizeMouseDown = useCallback((e: React.MouseEvent) => {
+    e.preventDefault();
+    e.stopPropagation();
+    const startClientX = e.clientX;
+    const startWidth = rightbarWidth;
+
+    const handleMouseMove = (ev: MouseEvent) => {
+      const delta = startClientX - ev.clientX;
+      const newWidth = Math.min(MAX_RIGHTBAR_WIDTH, Math.max(MIN_RIGHTBAR_WIDTH, startWidth + delta));
+      document.documentElement.style.setProperty('--rightbar-w', newWidth + 'px');
+      if (onWidthChange) {
+        onWidthChange(newWidth);
+      }
+    };
+
+    const handleMouseUp = () => {
+      document.removeEventListener('mousemove', handleMouseMove);
+      document.removeEventListener('mouseup', handleMouseUp);
+      document.body.style.cursor = '';
+    };
+
+    document.body.style.cursor = 'col-resize';
+    document.addEventListener('mousemove', handleMouseMove);
+    document.addEventListener('mouseup', handleMouseUp);
+  }, [rightbarWidth, onWidthChange]);
+
   return (
     <aside className={`rightbar${className ? ' ' + className : ''}${collapsed ? ' rightbar-collapsed' : ''}`} aria-label="Eigenschaften-Panels">
-      <div className="rightbar-header">
-        <span className="rightbar-title">Eigenschaften</span>
-        <button className="rightbar-toggle" aria-label="Rechte Leiste ein-/ausklappen" onClick={collapsed ? onToggleCollapse : onCollapse} title="Rechte Leiste ein-/ausklappen">
-          <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><polyline points="9 18 15 12 9 6"/></svg>
-        </button>
-      </div>
-      <div className="rightbar-tabs" role="tablist">
-        {tabs.map((tab) => (
-          <button
-            key={tab.id}
-            className={`rightbar-tab${activePanel === tab.id ? ' active' : ''}`}
-            data-panel={tab.id}
-            role="tab"
-            aria-selected={activePanel === tab.id}
-            onClick={() => onPanelChange(tab.id)}
-          >
-            {tab.svg}
-            <span>{tab.label}</span>
-            {tab.badge !== undefined && <span className="rightbar-tab-badge">{tab.badge}</span>}
-          </button>
-        ))}
-      </div>
-
-      <div className="rightbar-content">
-        <div className={`rightbar-panel${activePanel === 'tool' ? ' active' : ''}`} data-panel-content="tool">
-          {activePanel === 'tool' && <PropertiesPanel selectedElement={selectedElement} layers={layers} unit={unit} scaleFactor={scaleFactor} onDelete={selectedElement && onElementsDeleted ? () => onElementsDeleted([selectedElement.id]) : undefined} onUpdateProperty={(key, value) => {
-          if (!selectedElement || !onUpdateElement) return;
-          const updated = { ...selectedElement };
-          if (key === 'x' || key === 'y' || key === 'width' || key === 'height') {
-            const numVal = typeof value === 'string' ? parseFloat(value.replace(/[^0-9.\-]/g, '')) || 0 : value as number;
-            if (key === 'x') updated.x = numVal;
-            else if (key === 'y') updated.y = numVal;
-            else if (key === 'width') updated.width = numVal;
-            else if (key === 'height') updated.height = numVal;
-          } else if (key === 'layerId') {
-            updated.layerId = value as string;
-          } else if (key === 'rotation') {
-            const rotVal = typeof value === 'string' ? parseFloat(value.replace(/[^0-9.\-]/g, '')) || 0 : value as number;
-            updated.properties = { ...updated.properties, rotation: rotVal };
-          } else {
-            updated.properties = { ...updated.properties, [key]: value };
-          }
-          onUpdateElement(updated);
-        }} />}
-        </div>
-        <div className={`rightbar-panel${activePanel === 'layer' ? ' active' : ''}`} data-panel-content="layer">
-          {activePanel === 'layer' && <LayerPanel layers={layers} elements={elements} onElementsDeleted={onElementsDeleted} onToggleElementVisible={onToggleElementVisible} activeLayerId={activeLayerId} onSelectLayer={onSelectLayer ?? (() => {})} onSelectElement={onSelectElement} selectedElementIds={selectedElementIds} groups={groups} onAddLayer={onAddLayer ?? (() => {})} onToggleLayer={onToggleLayer ?? (() => {})} onDeleteLayer={onDeleteLayer} onRenameLayer={onRenameLayer} onDuplicateLayer={onDuplicateLayer} onToggleLock={onToggleLock} onReorder={onReorder} onAddSubLayer={onAddSubLayer} />}
-        </div>
-        <div className={`rightbar-panel${activePanel === 'library' ? ' active' : ''}`} data-panel-content="library">
-          {activePanel === 'library' && (
-            <>
-              <BlockLibrary blocks={blocks} category="Alle" onCategoryChange={onBlockCategoryChange ?? (() => {})} onSearch={onBlockSearch ?? (() => {})} onDragBlock={onDragBlock ?? (() => {})} onRenameBlock={onRenameBlock} onDuplicateBlock={onDuplicateBlock} onDeleteBlock={onDeleteBlock} onSvgImport={onSvgImport} onSaveGroupAsBlock={onSaveGroupAsBlock} />
-              {token && (
-                <BlockLibraryTree
-                  token={token}
-                  onBlockDragStart={(_blockId, _blockData) => {
-                    // Global blocks use a different drag type — handled in CanvasArea drop
-                  }}
-                />
+      <div className="rightbar-resize-handle" onMouseDown={handleResizeMouseDown} />
+      <button className="rightbar-edge-toggle" aria-label="Rechte Leiste ein-/ausklappen" onClick={collapsed ? onToggleCollapse : onCollapse} title="Rechte Leiste ein-/ausklappen">
+        <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round"><polyline points="15 18 9 12 15 6"/></svg>
+      </button>
+      {!collapsed && (
+        <>
+          <div className="rightbar-header">
+            <span className="rightbar-title">Eigenschaften</span>
+          </div>
+          <div className="rightbar-tabs" role="tablist">
+            {tabs.map((tab) => (
+              <button
+                key={tab.id}
+                className={`rightbar-tab${activePanel === tab.id ? ' active' : ''}`}
+                data-panel={tab.id}
+                role="tab"
+                aria-selected={activePanel === tab.id}
+                onClick={() => onPanelChange(tab.id)}
+              >
+                {tab.svg}
+                <span>{tab.label}</span>
+                {tab.badge !== undefined && <span className="rightbar-tab-badge">{tab.badge}</span>}
+              </button>
+            ))}
+          </div>
+          <div className="rightbar-content">
+            <div className={`rightbar-panel${activePanel === 'tool' ? ' active' : ''}`} data-panel-content="tool">
+              {activePanel === 'tool' && selectedElement && onUpdateElement && (
+                <PropertiesPanel selectedElement={selectedElement} layers={layers} unit={unit} scaleFactor={scaleFactor} onDelete={selectedElement && onElementsDeleted ? () => onElementsDeleted([selectedElement.id]) : undefined} onUpdateProperty={(key, value) => {
+                  if (!selectedElement || !onUpdateElement) return;
+                  const updated = { ...selectedElement };
+                  if (key === 'x' || key === 'y' || key === 'width' || key === 'height') {
+                    const numVal = typeof value === 'string' ? parseFloat(value.replace(/[^0-9.\-.]/g, '')) || 0 : value as number;
+                    if (key === 'x') updated.x = numVal;
+                    else if (key === 'y') updated.y = numVal;
+                    else if (key === 'width') updated.width = numVal;
+                    else if (key === 'height') updated.height = numVal;
+                  } else if (key === 'layerId') {
+                    updated.layerId = value as string;
+                  } else if (key === 'rotation') {
+                    const rotVal = typeof value === 'string' ? parseFloat(value.replace(/[^0-9.\-.]/g, '')) || 0 : value as number;
+                    updated.properties = { ...updated.properties, rotation: rotVal };
+                  } else {
+                    updated.properties = { ...updated.properties, [key]: value };
+                  }
+                  onUpdateElement(updated);
+                }} />
               )}
-            </>
-          )}
-        </div>
-        <div className={`rightbar-panel${activePanel === 'ki' ? ' active' : ''}`} data-panel-content="ki">
-          {activePanel === 'ki' && <KICopilot messages={kiMessages ?? []} suggestions={kiSuggestions ?? []} onSend={onKISend ?? (() => {})} onSuggestionClick={onKISuggestionClick ?? (() => {})} loading={kiLoading} />}
-        </div>
-      </div>
+              {activePanel === 'tool' && !selectedElement && (
+                <div className="tool-settings-panel">
+                  <p style={{ padding: '12px', color: 'var(--color-text-muted)', fontSize: '13px' }}>
+                    Kein Objekt ausgewählt. Wählen Sie ein Objekt auf der Zeichenfläche um dessen Eigenschaften zu bearbeiten.
+                  </p>
+                </div>
+              )}
+            </div>
+            <div className={`rightbar-panel${activePanel === 'layer' ? ' active' : ''}`} data-panel-content="layer">
+              {activePanel === 'layer' && <LayerPanel layers={layers} elements={elements} onElementsDeleted={onElementsDeleted} onToggleElementVisible={onToggleElementVisible} activeLayerId={activeLayerId} onSelectLayer={onSelectLayer ?? (() => {})} onSelectElement={onSelectElement} selectedElementIds={selectedElementIds} groups={groups} onAddLayer={onAddLayer ?? (() => {})} onToggleLayer={onToggleLayer ?? (() => {})} onDeleteLayer={onDeleteLayer} onRenameLayer={onRenameLayer} onDuplicateLayer={onDuplicateLayer} onToggleLock={onToggleLock} onReorder={onReorder} onAddSubLayer={onAddSubLayer} />}
+            </div>
+            <div className={`rightbar-panel${activePanel === 'library' ? ' active' : ''}`} data-panel-content="library">
+              {activePanel === 'library' && (
+                <>
+                  <BlockLibrary blocks={blocks} category="Alle" onCategoryChange={onBlockCategoryChange ?? (() => {})} onSearch={onBlockSearch ?? (() => {})} onDragBlock={onDragBlock ?? (() => {})} onRenameBlock={onRenameBlock} onDuplicateBlock={onDuplicateBlock} onDeleteBlock={onDeleteBlock} onSvgImport={onSvgImport} onSaveGroupAsBlock={onSaveGroupAsBlock} />
+                  {token && (
+                    <BlockLibraryTree
+                      token={token}
+                      onBlockDragStart={(_blockId, _blockData) => {
+                        // Global blocks use a different drag type — handled in CanvasArea drop
+                      }}
+                    />
+                  )}
+                </>
+              )}
+            </div>
+            <div className={`rightbar-panel${activePanel === 'ki' ? ' active' : ''}`} data-panel-content="ki">
+              {activePanel === 'ki' && <KICopilot messages={kiMessages ?? []} suggestions={kiSuggestions ?? []} onSend={onKISend ?? (() => {})} onSuggestionClick={onKISuggestionClick ?? (() => {})} loading={kiLoading} />}
+            </div>
+          </div>
+        </>
+      )}
     </aside>
   );
 };

frontend/src/styles.css

@@ -2255,12 +2255,47 @@ body.drawer-open { overflow: hidden; }
 .rightbar-toggle:hover { background: var(--color-surface-2); color: var(--color-text); }
 .rightbar-toggle svg { width: 14px; height: 14px; }
 
-.app-body.right-collapsed .rightbar { padding: 4px; }
-.app-body.right-collapsed .rightbar-header { justify-content: center; }
-.app-body.right-collapsed .rightbar-title { display: none; }
+.rightbar-edge-toggle {
+  position: absolute;
+  left: 0;
+  top: 0;
+  bottom: 0;
+  width: 20px;
+  display: flex;
+  align-items: flex-start;
+  justify-content: center;
+  padding-top: 10px;
+  background: var(--color-surface-2);
+  border-right: 1px solid var(--color-border);
+  cursor: pointer;
+  z-index: 10;
+  color: var(--color-text-muted);
+  transition: color var(--t-fast);
+}
+.rightbar-edge-toggle:hover { color: var(--color-text); }
+.rightbar-edge-toggle svg { width: 14px; height: 14px; }
+
+.rightbar-resize-handle {
+  position: absolute;
+  left: -2px;
+  top: 0;
+  bottom: 0;
+  width: 4px;
+  cursor: col-resize;
+  z-index: 11;
+}
+.rightbar-resize-handle:hover {
+  background: var(--color-primary);
+}
+
+.rightbar-content { padding-left: 24px; }
+.rightbar-tabs { margin-left: 20px; }
+.rightbar-header { margin-left: 20px; }
+
+.app-body.right-collapsed .rightbar-header,
 .app-body.right-collapsed .rightbar-tabs,
 .app-body.right-collapsed .rightbar-content { display: none; }
-.app-body.right-collapsed .rightbar-toggle { display: grid !important; transform: rotate(180deg); }
+.app-body.right-collapsed .rightbar-edge-toggle svg { transform: rotate(180deg); }
 
 .leftbar-collapsed .tool-section,
 .leftbar-collapsed .leftbar-title,

frontend/src/types/ui.types.ts

@@ -209,6 +209,8 @@ export interface RightSidebarProps {
   onToggleCollapse?: () => void;
   unit?: UnitType;
   scaleFactor?: number;
+  rightbarWidth?: number;
+  onWidthChange?: (width: number) => void;
 }
 
 export interface PropertiesPanelProps {