diff --git a/rsconcept/frontend/src/app/application-layout.tsx b/rsconcept/frontend/src/app/application-layout.tsx
index bb4e5f8c..338a8302 100644
--- a/rsconcept/frontend/src/app/application-layout.tsx
+++ b/rsconcept/frontend/src/app/application-layout.tsx
@@ -1,5 +1,6 @@
 import { Suspense } from 'react';
 import { Outlet } from 'react-router';
+import clsx from 'clsx';
 
 import { ModalLoader } from '@/components/modal';
 import { useAppLayoutStore, useMainHeight, useViewportHeight } from '@/stores/app-layout';
@@ -17,7 +18,6 @@ import { Navigation } from './navigation';
 export function ApplicationLayout() {
   const mainHeight = useMainHeight();
   const viewportHeight = useViewportHeight();
-  const showScroll = useAppLayoutStore(state => !state.noScroll);
   const noNavigationAnimation = useAppLayoutStore(state => state.noNavigationAnimation);
   const noNavigation = useAppLayoutStore(state => state.noNavigation);
   const noFooter = useAppLayoutStore(state => state.noFooter);
@@ -27,8 +27,7 @@ export function ApplicationLayout() {
     <NavigationState>
       <div className='min-w-80 antialiased h-full max-w-480 mx-auto'>
         <ToasterThemed
-          className='text-[14px]'
-          style={{ marginTop: noNavigationAnimation ? '1.5rem' : '3.5rem' }}
+          className={clsx('text-[14px]', noNavigationAnimation ? 'mt-6' : 'mt-14')}
           autoClose={3000}
           draggable={false}
           pauseOnFocusLoss={false}
@@ -46,7 +45,7 @@ export function ApplicationLayout() {
           style={{ maxHeight: viewportHeight }}
           inert={activeDialog !== null}
         >
-          <main className='cc-scroll-y' style={{ overflowY: showScroll ? 'scroll' : 'auto', minHeight: mainHeight }}>
+          <main className='cc-scroll-y overflow-y-auto' style={{ minHeight: mainHeight }}>
             <GlobalLoader />
             <MutationErrors />
             <Outlet />
diff --git a/rsconcept/frontend/src/app/navigation/navigation.tsx b/rsconcept/frontend/src/app/navigation/navigation.tsx
index 1b2bf738..64db5b84 100644
--- a/rsconcept/frontend/src/app/navigation/navigation.tsx
+++ b/rsconcept/frontend/src/app/navigation/navigation.tsx
@@ -1,7 +1,8 @@
+import clsx from 'clsx';
+
 import { IconLibrary2, IconManuals, IconNewItem2 } from '@/components/icons';
 import { useWindowSize } from '@/hooks/use-window-size';
 import { useAppLayoutStore } from '@/stores/app-layout';
-import { PARAMETER } from '@/utils/constants';
 
 import { urls } from '../urls';
 
@@ -29,14 +30,11 @@ export function Navigation() {
     <nav className='z-navigation sticky top-0 left-0 right-0 select-none bg-prim-100'>
       <ToggleNavigation />
       <div
-        className='pl-2 pr-6 sm:pr-4 h-12 flex cc-shadow-border'
-        style={{
-          transitionProperty: 'max-height, translate',
-          transitionDuration: `${PARAMETER.moveDuration}ms`,
-          transitionTimingFunction: 'ease-in-out',
-          maxHeight: noNavigationAnimation ? '0rem' : '3rem',
-          translate: noNavigationAnimation ? '0 -1.5rem' : '0'
-        }}
+        className={clsx(
+          'pl-2 pr-6 sm:pr-4 h-12 flex cc-shadow-border',
+          'transition-[max-height,translate] ease-bezier duration-(--duration-move)',
+          noNavigationAnimation ? '-translate-y-6 max-h-0' : 'max-h-12'
+        )}
       >
         <div className='flex items-center mr-auto cursor-pointer' onClick={!size.isSmall ? navigateHome : undefined}>
           <Logo />
diff --git a/rsconcept/frontend/src/components/container/divider.tsx b/rsconcept/frontend/src/components/container/divider.tsx
index 39c835a5..96cdcc9e 100644
--- a/rsconcept/frontend/src/components/container/divider.tsx
+++ b/rsconcept/frontend/src/components/container/divider.tsx
@@ -17,12 +17,9 @@ export function Divider({ vertical, margins = 'mx-2', className, ...restProps }:
   return (
     <div
       className={clsx(
-        margins, //
-        className,
-        {
-          'border-x': vertical,
-          'border-y': !vertical
-        }
+        vertical ? 'border-x' : 'border-y', //
+        margins,
+        className
       )}
       {...restProps}
     />
diff --git a/rsconcept/frontend/src/components/container/tooltip.tsx b/rsconcept/frontend/src/components/container/tooltip.tsx
index d76fd948..a1506ec3 100644
--- a/rsconcept/frontend/src/components/container/tooltip.tsx
+++ b/rsconcept/frontend/src/components/container/tooltip.tsx
@@ -26,7 +26,6 @@ export function Tooltip({
   layer = 'z-tooltip',
   place = 'bottom',
   className,
-  style,
   ...restProps
 }: TooltipProps) {
   const darkMode = usePreferencesStore(state => state.darkMode);
@@ -40,6 +39,7 @@ export function Tooltip({
       opacity={1}
       className={clsx(
         'relative',
+        'py-0.5! px-2!',
         'max-h-[calc(100svh-6rem)]',
         'overflow-y-auto overflow-x-hidden sm:overflow-hidden overscroll-contain',
         'border shadow-md',
@@ -48,7 +48,6 @@ export function Tooltip({
         className
       )}
       classNameArrow={layer}
-      style={{ ...{ paddingTop: '2px', paddingBottom: '2px', paddingLeft: '8px', paddingRight: '8px' }, ...style }}
       variant={darkMode ? 'dark' : 'light'}
       place={place}
       {...restProps}
diff --git a/rsconcept/frontend/src/components/control/button.tsx b/rsconcept/frontend/src/components/control/button.tsx
index 12ed843d..d58e22d8 100644
--- a/rsconcept/frontend/src/components/control/button.tsx
+++ b/rsconcept/frontend/src/components/control/button.tsx
@@ -43,15 +43,10 @@ export function Button({
         'inline-flex gap-2 items-center justify-center',
         'font-medium select-none disabled:cursor-auto',
         'clr-btn-default cc-animate-color',
-        {
-          'border rounded-sm': !noBorder,
-          'px-1': dense,
-          'px-3 py-1': !dense,
-          'cursor-progress': loading,
-          'cursor-pointer': !loading,
-          'outline-hidden': noOutline,
-          'clr-outline': !noOutline
-        },
+        dense ? 'px-1' : 'px-3 py-1',
+        loading ? 'cursor-progress' : 'cursor-pointer',
+        noOutline ? 'outline-hidden' : 'clr-outline',
+        !noBorder && 'border rounded-sm',
         className
       )}
       data-tooltip-id={!!title || !!titleHtml ? globalIDs.tooltip : undefined}
diff --git a/rsconcept/frontend/src/components/control/mini-button.tsx b/rsconcept/frontend/src/components/control/mini-button.tsx
index a201ba2c..adf43b28 100644
--- a/rsconcept/frontend/src/components/control/mini-button.tsx
+++ b/rsconcept/frontend/src/components/control/mini-button.tsx
@@ -41,11 +41,8 @@ export function MiniButton({
         'rounded-lg',
         'clr-text-controls cc-animate-color',
         'cursor-pointer disabled:cursor-auto',
-        {
-          'px-1 py-1': !noPadding,
-          'outline-hidden': noHover,
-          'clr-hover': !noHover
-        },
+        noHover ? 'outline-hidden' : 'clr-hover',
+        !noPadding && 'px-1 py-1',
         className
       )}
       data-tooltip-id={!!title || !!titleHtml ? globalIDs.tooltip : undefined}
diff --git a/rsconcept/frontend/src/components/control/selector-button.tsx b/rsconcept/frontend/src/components/control/selector-button.tsx
index 86044902..e99e7ea9 100644
--- a/rsconcept/frontend/src/components/control/selector-button.tsx
+++ b/rsconcept/frontend/src/components/control/selector-button.tsx
@@ -38,10 +38,7 @@ export function SelectorButton({
         'text-btn clr-text-controls',
         'disabled:cursor-auto cursor-pointer',
         'cc-animate-color',
-        {
-          'clr-hover': transparent,
-          'clr-btn-default border': !transparent
-        },
+        transparent ? 'clr-hover' : 'clr-btn-default border',
         className
       )}
       data-tooltip-id={!!title || !!titleHtml ? globalIDs.tooltip : undefined}
diff --git a/rsconcept/frontend/src/components/data-table/table-body.tsx b/rsconcept/frontend/src/components/data-table/table-body.tsx
index f89a2baf..384e01ac 100644
--- a/rsconcept/frontend/src/components/data-table/table-body.tsx
+++ b/rsconcept/frontend/src/components/data-table/table-body.tsx
@@ -93,11 +93,12 @@ export function TableBody<TData>({
           {row.getVisibleCells().map((cell: Cell<TData, unknown>) => (
             <td
               key={cell.id}
-              className='px-2 align-middle border-y'
+              className={clsx(
+                'px-2 align-middle border-y',
+                dense ? 'py-1' : 'py-2',
+                onRowClicked || onRowDoubleClicked ? 'cursor-pointer' : 'cursor-auto'
+              )}
               style={{
-                cursor: onRowClicked || onRowDoubleClicked ? 'pointer' : 'auto',
-                paddingBottom: dense ? '0.25rem' : '0.5rem',
-                paddingTop: dense ? '0.25rem' : '0.5rem',
                 width: noHeader && index === 0 ? `calc(var(--col-${cell.column.id}-size) * 1px)` : undefined
               }}
             >
diff --git a/rsconcept/frontend/src/components/data-table/table-header.tsx b/rsconcept/frontend/src/components/data-table/table-header.tsx
index 0a757687..561bc82c 100644
--- a/rsconcept/frontend/src/components/data-table/table-header.tsx
+++ b/rsconcept/frontend/src/components/data-table/table-header.tsx
@@ -1,6 +1,7 @@
 'use no memo';
 
 import { flexRender, type Header, type HeaderGroup, type Table } from '@tanstack/react-table';
+import clsx from 'clsx';
 
 import { SelectAll } from './select-all';
 import { SortingIcon } from './sorting-icon';
@@ -13,13 +14,7 @@ interface TableHeaderProps<TData> {
 
 export function TableHeader<TData>({ table, headPosition, resetLastSelected }: TableHeaderProps<TData>) {
   return (
-    <thead
-      className='bg-prim-100 cc-shadow-border'
-      style={{
-        top: headPosition,
-        position: 'sticky'
-      }}
-    >
+    <thead className='sticky bg-prim-100 cc-shadow-border' style={{ top: headPosition }}>
       {table.getHeaderGroups().map((headerGroup: HeaderGroup<TData>) => (
         <tr key={headerGroup.id}>
           {table.options.enableRowSelection ? (
@@ -32,11 +27,11 @@ export function TableHeader<TData>({ table, headPosition, resetLastSelected }: T
               key={header.id}
               colSpan={header.colSpan}
               scope='col'
-              className='cc-table-header group'
-              style={{
-                width: `calc(var(--header-${header?.id}-size) * 1px)`,
-                cursor: table.options.enableSorting && header.column.getCanSort() ? 'pointer' : 'auto'
-              }}
+              className={clsx(
+                'cc-table-header group',
+                table.options.enableSorting && header.column.getCanSort() ? 'cursor-pointer' : 'cursor-auto'
+              )}
+              style={{ width: `calc(var(--header-${header?.id}-size) * 1px)` }}
               onClick={table.options.enableSorting ? header.column.getToggleSortingHandler() : undefined}
             >
               {!header.isPlaceholder ? (
diff --git a/rsconcept/frontend/src/components/dropdown/dropdown-button.tsx b/rsconcept/frontend/src/components/dropdown/dropdown-button.tsx
index b39fc16d..a77f9d9d 100644
--- a/rsconcept/frontend/src/components/dropdown/dropdown-button.tsx
+++ b/rsconcept/frontend/src/components/dropdown/dropdown-button.tsx
@@ -39,11 +39,7 @@ export function DropdownButton({
         'text-left text-sm text-ellipsis whitespace-nowrap',
         'disabled:clr-text-controls',
         'cc-animate-color',
-        {
-          'clr-hover': onClick,
-          'cursor-pointer disabled:cursor-auto': onClick,
-          'cursor-default': !onClick
-        },
+        !!onClick ? 'clr-hover cursor-pointer disabled:cursor-auto' : 'clr-btn-default',
         className
       )}
       data-tooltip-id={!!title || !!titleHtml ? globalIDs.tooltip : undefined}
diff --git a/rsconcept/frontend/src/components/dropdown/dropdown.tsx b/rsconcept/frontend/src/components/dropdown/dropdown.tsx
index 186df81a..f11c77cd 100644
--- a/rsconcept/frontend/src/components/dropdown/dropdown.tsx
+++ b/rsconcept/frontend/src/components/dropdown/dropdown.tsx
@@ -1,8 +1,6 @@
 import React from 'react';
 import clsx from 'clsx';
 
-import { PARAMETER } from '@/utils/constants';
-
 import { type Styling } from '../props';
 
 interface DropdownProps extends Styling {
@@ -44,24 +42,17 @@ export function Dropdown({
       tabIndex={-1}
       className={clsx(
         'z-topmost absolute',
-        {
-          'right-0': stretchLeft,
-          'left-0': !stretchLeft,
-          'bottom-0': stretchTop,
-          'top-full': !stretchTop
-        },
+        stretchLeft ? 'right-0' : 'left-0',
+        stretchTop ? 'bottom-0' : 'top-full',
         'grid',
         'border rounded-md shadow-lg',
         'clr-input',
         'text-sm',
+        'ease-in-out duration-(--duration-dropdown) will-change-[clip-path,transform] transition-[clip-path,transform]',
         margin,
         className
       )}
       style={{
-        willChange: 'clip-path, transform',
-        transitionProperty: 'clip-path, transform',
-        transitionDuration: `${PARAMETER.dropdownDuration}ms`,
-        transitionTimingFunction: 'ease-in-out',
         transform: isOpen ? 'translateY(0)' : 'translateY(-10%)',
         clipPath: isOpen ? 'inset(0% 0% 0% 0%)' : 'inset(10% 0% 90% 0%)',
         ...style
diff --git a/rsconcept/frontend/src/components/info-error.tsx b/rsconcept/frontend/src/components/info-error.tsx
index 73ebddae..2a97546b 100644
--- a/rsconcept/frontend/src/components/info-error.tsx
+++ b/rsconcept/frontend/src/components/info-error.tsx
@@ -33,18 +33,7 @@ export function DescribeError({ error }: { error: ErrorData }) {
         <p>
           <b>Message:</b> {error.message}
         </p>
-        {error.stack && (
-          <pre
-            style={{
-              whiteSpace: 'pre-wrap',
-              wordWrap: 'break-word',
-              padding: '6px',
-              overflowX: 'auto'
-            }}
-          >
-            {error.stack}
-          </pre>
-        )}
+        {error.stack && <pre className='whitespace-pre-wrap p-2 overflow-x-auto break-words'>{error.stack}</pre>}
       </div>
     );
   }
diff --git a/rsconcept/frontend/src/components/input/checkbox-tristate.tsx b/rsconcept/frontend/src/components/input/checkbox-tristate.tsx
index 1c0dcd2a..a71e75b9 100644
--- a/rsconcept/frontend/src/components/input/checkbox-tristate.tsx
+++ b/rsconcept/frontend/src/components/input/checkbox-tristate.tsx
@@ -67,10 +67,7 @@ export function CheckboxTristate({
         className={clsx(
           'w-4 h-4', //
           'border rounded-sm',
-          {
-            'bg-sec-600 text-sec-0': value !== false,
-            'bg-prim-100': value === false
-          }
+          value === false ? 'bg-prim-100' : 'bg-sec-600 text-sec-0'
         )}
       >
         {value ? <CheckboxChecked /> : null}
diff --git a/rsconcept/frontend/src/components/input/checkbox.tsx b/rsconcept/frontend/src/components/input/checkbox.tsx
index e6f612fe..bdf5a9fe 100644
--- a/rsconcept/frontend/src/components/input/checkbox.tsx
+++ b/rsconcept/frontend/src/components/input/checkbox.tsx
@@ -66,10 +66,7 @@ export function Checkbox({
         className={clsx(
           'w-4 h-4', //
           'border rounded-sm',
-          {
-            'bg-sec-600 text-sec-0': value !== false,
-            'bg-prim-100': value === false
-          }
+          value === false ? 'bg-prim-100' : 'bg-sec-600 text-sec-0'
         )}
       >
         {value ? <CheckboxChecked /> : null}
diff --git a/rsconcept/frontend/src/components/input/file-input.tsx b/rsconcept/frontend/src/components/input/file-input.tsx
index 3f28a9e0..777aa679 100644
--- a/rsconcept/frontend/src/components/input/file-input.tsx
+++ b/rsconcept/frontend/src/components/input/file-input.tsx
@@ -46,7 +46,7 @@ export function FileInput({ id, label, acceptType, title, className, style, onCh
         id={id}
         type='file'
         ref={inputRef}
-        style={{ display: 'none' }}
+        className='hidden'
         accept={acceptType}
         onChange={handleFileChange}
         {...restProps}
diff --git a/rsconcept/frontend/src/components/input/select-tree.tsx b/rsconcept/frontend/src/components/input/select-tree.tsx
index a9e136b9..ee69946d 100644
--- a/rsconcept/frontend/src/components/input/select-tree.tsx
+++ b/rsconcept/frontend/src/components/input/select-tree.tsx
@@ -1,7 +1,7 @@
 import { useEffect, useState } from 'react';
 import clsx from 'clsx';
 
-import { globalIDs, PARAMETER } from '@/utils/constants';
+import { globalIDs } from '@/utils/constants';
 
 import { MiniButton } from '../control';
 import { IconDropArrow, IconPageRight } from '../icons';
@@ -89,27 +89,13 @@ export function SelectTree<ItemType>({
           <div
             key={`${prefix}${index}`}
             className={clsx(
-              'relative',
-              'pr-3 pl-6 border-b',
-              'cc-scroll-row',
-              'bg-prim-200 clr-hover cc-animate-color',
-              'cursor-pointer',
-              value === item && 'clr-selected',
-              !isActive && 'pointer-events-none'
+              'cc-tree-item cc-scroll-row clr-hover',
+              isActive ? 'max-h-7 py-1 border-b' : 'max-h-0 opacity-0 pointer-events-none',
+              value === item && 'clr-selected'
             )}
             data-tooltip-id={globalIDs.tooltip}
             data-tooltip-html={getDescription(item)}
             onClick={event => handleClickItem(event, item)}
-            style={{
-              borderBottomWidth: isActive ? '1px' : '0px',
-              willChange: 'max-height, opacity, padding',
-              transitionProperty: 'max-height, opacity, padding',
-              transitionDuration: `${PARAMETER.moveDuration}ms`,
-              paddingTop: isActive ? '0.25rem' : '0',
-              paddingBottom: isActive ? '0.25rem' : '0',
-              maxHeight: isActive ? '1.75rem' : '0',
-              opacity: isActive ? '1' : '0'
-            }}
           >
             {foldable.has(item) ? (
               <MiniButton
diff --git a/rsconcept/frontend/src/components/input/text-area.tsx b/rsconcept/frontend/src/components/input/text-area.tsx
index 991118bd..3e917efc 100644
--- a/rsconcept/frontend/src/components/input/text-area.tsx
+++ b/rsconcept/frontend/src/components/input/text-area.tsx
@@ -40,11 +40,8 @@ export function TextArea({
   return (
     <div
       className={clsx(
-        'w-full',
-        {
-          'flex flex-col': !dense,
-          'flex grow items-center gap-3': dense
-        },
+        'w-full', //
+        dense ? 'flex grow items-center gap-3' : 'flex flex-col',
         dense && className
       )}
     >
@@ -55,16 +52,13 @@ export function TextArea({
           'px-3 py-2',
           'leading-tight',
           'overflow-x-hidden overflow-y-auto',
-          {
-            'field-sizing-content': fitContent,
-            'resize-none': noResize,
-            'border': !noBorder,
-            'grow max-w-full': dense,
-            'mt-2': !dense && !!label,
-            'clr-outline': !noOutline,
-            'bg-transparent': transparent,
-            'clr-input': !transparent
-          },
+          !noBorder && 'border',
+          fitContent && 'field-sizing-content',
+          noResize && 'resize-none',
+          transparent ? 'bg-transparent' : 'clr-input',
+          !noOutline && 'clr-outline',
+          dense && 'grow max-w-full',
+          !dense && !!label && 'mt-2',
           !dense && className
         )}
         rows={rows}
diff --git a/rsconcept/frontend/src/components/input/text-input.tsx b/rsconcept/frontend/src/components/input/text-input.tsx
index a56951d9..0adeb44c 100644
--- a/rsconcept/frontend/src/components/input/text-input.tsx
+++ b/rsconcept/frontend/src/components/input/text-input.tsx
@@ -42,10 +42,7 @@ export function TextInput({
   return (
     <div
       className={clsx(
-        {
-          'flex flex-col': !dense,
-          'flex items-center gap-3': dense
-        },
+        dense ? 'flex items-center gap-3' : 'flex flex-col', //
         dense && className
       )}
     >
@@ -55,15 +52,12 @@ export function TextInput({
         className={clsx(
           'min-w-0 py-2',
           'leading-tight truncate hover:text-clip',
-          {
-            'px-3': !noBorder || !disabled,
-            'grow max-w-full': dense,
-            'mt-2': !dense && !!label,
-            'border': !noBorder,
-            'clr-outline': !noOutline,
-            'bg-transparent': transparent,
-            'clr-input': !transparent
-          },
+          transparent ? 'bg-transparent' : 'clr-input',
+          !noBorder && 'border',
+          !noOutline && 'clr-outline',
+          (!noBorder || !disabled) && 'px-3',
+          dense && 'grow max-w-full',
+          !dense && !!label && 'mt-2',
           !dense && className
         )}
         onKeyDown={!allowEnter && !onKeyDown ? preventEnterCapture : onKeyDown}
diff --git a/rsconcept/frontend/src/components/modal/modal-form.tsx b/rsconcept/frontend/src/components/modal/modal-form.tsx
index 4c35a731..d64b7352 100644
--- a/rsconcept/frontend/src/components/modal/modal-form.tsx
+++ b/rsconcept/frontend/src/components/modal/modal-form.tsx
@@ -124,10 +124,7 @@ export function ModalForm({
             '@container/modal',
             'max-h-[calc(100svh-8rem)] max-w-[100svw] xs:max-w-[calc(100svw-2rem)]',
             'overscroll-contain outline-hidden',
-            {
-              'overflow-auto': !overflowVisible,
-              'overflow-visible': overflowVisible
-            },
+            overflowVisible ? 'overflow-visible' : 'overflow-auto',
             className
           )}
           {...restProps}
diff --git a/rsconcept/frontend/src/components/modal/modal-view.tsx b/rsconcept/frontend/src/components/modal/modal-view.tsx
index ab0d84a8..d8bbadac 100644
--- a/rsconcept/frontend/src/components/modal/modal-view.tsx
+++ b/rsconcept/frontend/src/components/modal/modal-view.tsx
@@ -73,10 +73,7 @@ export function ModalView({
             '@container/modal',
             'max-h-[calc(100svh-8rem)] max-w-[100svw] xs:max-w-[calc(100svw-2rem)]',
             'overscroll-contain outline-hidden',
-            {
-              'overflow-auto': !overflowVisible,
-              'overflow-visible': overflowVisible
-            },
+            overflowVisible ? 'overflow-visible' : 'overflow-auto',
             className
           )}
           {...restProps}
diff --git a/rsconcept/frontend/src/components/view/indicator.tsx b/rsconcept/frontend/src/components/view/indicator.tsx
index 5534d36a..cef07bb5 100644
--- a/rsconcept/frontend/src/components/view/indicator.tsx
+++ b/rsconcept/frontend/src/components/view/indicator.tsx
@@ -18,11 +18,9 @@ export function Indicator({ icon, title, titleHtml, hideTitle, noPadding, classN
   return (
     <div
       className={clsx(
-        'clr-text-controls',
+        'clr-text-controls', //
         'outline-hidden',
-        {
-          'px-1 py-1': !noPadding
-        },
+        !noPadding && 'px-1 py-1',
         className
       )}
       data-tooltip-id={!!title || !!titleHtml ? globalIDs.tooltip : undefined}
diff --git a/rsconcept/frontend/src/components/view/value-icon.tsx b/rsconcept/frontend/src/components/view/value-icon.tsx
index e9f942e3..655ab4de 100644
--- a/rsconcept/frontend/src/components/view/value-icon.tsx
+++ b/rsconcept/frontend/src/components/view/value-icon.tsx
@@ -57,7 +57,7 @@ export function ValueIcon({
         'flex items-center',
         'text-right',
         'hover:cursor-default',
-        { 'justify-between gap-6': !dense, 'gap-1': dense },
+        dense ? 'gap-1' : 'justify-between gap-6',
         className
       )}
       {...restProps}
diff --git a/rsconcept/frontend/src/features/help/components/badge-help.tsx b/rsconcept/frontend/src/features/help/components/badge-help.tsx
index 84f6b12c..42071973 100644
--- a/rsconcept/frontend/src/features/help/components/badge-help.tsx
+++ b/rsconcept/frontend/src/features/help/components/badge-help.tsx
@@ -7,7 +7,6 @@ import { IconHelp } from '@/components/icons';
 import { Loader } from '@/components/loader';
 import { type Styling } from '@/components/props';
 import { usePreferencesStore } from '@/stores/preferences';
-import { PARAMETER } from '@/utils/constants';
 
 import { type HelpTopic } from '../models/help-topic';
 
@@ -48,7 +47,7 @@ export function BadgeHelp({ topic, padding = 'p-1', className, contentClass, sty
         clickable
         anchorSelect={`#help-${topic}`}
         layer='z-topmost'
-        className={clsx(PARAMETER.TOOLTIP_WIDTH, contentClass)}
+        className={clsx('max-w-120', contentClass)}
         {...restProps}
       >
         <Suspense fallback={<Loader />}>
diff --git a/rsconcept/frontend/src/features/help/pages/manuals-page/topics-dropdown.tsx b/rsconcept/frontend/src/features/help/pages/manuals-page/topics-dropdown.tsx
index 013bc072..ef259f6f 100644
--- a/rsconcept/frontend/src/features/help/pages/manuals-page/topics-dropdown.tsx
+++ b/rsconcept/frontend/src/features/help/pages/manuals-page/topics-dropdown.tsx
@@ -32,14 +32,11 @@ export function TopicsDropdown({ activeTopic, onChangeTopic }: TopicsDropdownPro
       ref={menu.ref}
       className={clsx(
         'absolute left-0 w-54', //
+        noNavigation ? 'top-0' : 'top-12',
         'flex flex-col',
         'z-topmost',
         'text-xs sm:text-sm',
-        'select-none',
-        {
-          'top-0': noNavigation,
-          'top-12': !noNavigation
-        }
+        'select-none'
       )}
     >
       <Button
diff --git a/rsconcept/frontend/src/features/library/pages/library-page/table-library-items.tsx b/rsconcept/frontend/src/features/library/pages/library-page/table-library-items.tsx
index 612f856e..9d052d1d 100644
--- a/rsconcept/frontend/src/features/library/pages/library-page/table-library-items.tsx
+++ b/rsconcept/frontend/src/features/library/pages/library-page/table-library-items.tsx
@@ -60,7 +60,7 @@ export function TableLibraryItems({ items }: TableLibraryItemsProps) {
       columns={columns}
       data={items}
       headPosition='0'
-      className={clsx('cc-scroll-y h-fit text-xs sm:text-sm border-b', { 'border-l': folderMode })}
+      className={clsx('cc-scroll-y h-fit text-xs sm:text-sm border-b', folderMode && 'border-l')}
       style={{ maxHeight: tableHeight }}
       noDataComponent={
         <div className='cc-column dense p-3 items-center min-h-24'>
diff --git a/rsconcept/frontend/src/features/oss/components/pick-multi-operation.tsx b/rsconcept/frontend/src/features/oss/components/pick-multi-operation.tsx
index eac5b385..e2330508 100644
--- a/rsconcept/frontend/src/features/oss/components/pick-multi-operation.tsx
+++ b/rsconcept/frontend/src/features/oss/components/pick-multi-operation.tsx
@@ -107,10 +107,7 @@ export function PickMultiOperation({ rows, items, value, onChange, className, ..
   ];
 
   return (
-    <div
-      className={clsx('flex flex-col gap-1', ' border-t border-x rounded-md', 'clr-input', className)}
-      {...restProps}
-    >
+    <div className={clsx('flex flex-col gap-1 border-t border-x rounded-md clr-input', className)} {...restProps}>
       <SelectOperation
         noBorder
         items={nonSelectedItems} //
diff --git a/rsconcept/frontend/src/features/rsform/components/pick-multi-constituenta.tsx b/rsconcept/frontend/src/features/rsform/components/pick-multi-constituenta.tsx
index 4089d7f8..d3873c04 100644
--- a/rsconcept/frontend/src/features/rsform/components/pick-multi-constituenta.tsx
+++ b/rsconcept/frontend/src/features/rsform/components/pick-multi-constituenta.tsx
@@ -98,7 +98,7 @@ export function PickMultiConstituenta({
   ];
 
   return (
-    <div className={clsx(noBorder ? '' : 'border', className)} {...restProps}>
+    <div className={clsx(!noBorder && 'border', className)} {...restProps}>
       <div className='px-3 flex justify-between items-center clr-input border-b rounded-t-md'>
         <div className='w-[24ch] select-none whitespace-nowrap'>
           {items.length > 0 ? `Выбраны ${value.length} из ${items.length}` : 'Конституенты'}
diff --git a/rsconcept/frontend/src/features/rsform/pages/rsform-page/editor-constituenta/editor-constituenta.tsx b/rsconcept/frontend/src/features/rsform/pages/rsform-page/editor-constituenta/editor-constituenta.tsx
index 516f65d3..9654605d 100644
--- a/rsconcept/frontend/src/features/rsform/pages/rsform-page/editor-constituenta/editor-constituenta.tsx
+++ b/rsconcept/frontend/src/features/rsform/pages/rsform-page/editor-constituenta/editor-constituenta.tsx
@@ -79,7 +79,7 @@ export function EditorConstituenta() {
         'min-h-80 max-w-[calc(min(100vw,95rem))] mx-auto',
         'flex pt-8',
         'overflow-y-auto overflow-x-clip',
-        { 'flex-col md:items-center': isNarrow }
+        isNarrow && 'flex-col md:items-center'
       )}
       style={{ maxHeight: mainHeight }}
       onKeyDown={handleInput}
diff --git a/rsconcept/frontend/src/features/rsform/pages/rsform-page/editor-rsexpression/rs-token-button.tsx b/rsconcept/frontend/src/features/rsform/pages/rsform-page/editor-rsexpression/rs-token-button.tsx
index 72e1b179..c9786175 100644
--- a/rsconcept/frontend/src/features/rsform/pages/rsform-page/editor-rsexpression/rs-token-button.tsx
+++ b/rsconcept/frontend/src/features/rsform/pages/rsform-page/editor-rsexpression/rs-token-button.tsx
@@ -26,10 +26,7 @@ export function RSTokenButton({ token, disabled, onInsert }: RSTokenButtonProps)
         'clr-hover clr-text-controls cc-animate-color',
         'font-math',
         'cursor-pointer disabled:cursor-default',
-        {
-          'w-14.5 md:w-18': label.length > 3,
-          'w-7.25 md:w-9': label.length <= 3
-        }
+        label.length > 3 ? 'w-14.5 md:w-18' : 'w-7.25 md:w-9'
       )}
       data-tooltip-id={globalIDs.tooltip}
       data-tooltip-html={describeToken(token)}
diff --git a/rsconcept/frontend/src/features/rsform/pages/rsform-page/editor-rsform-card/editor-rsform-card.tsx b/rsconcept/frontend/src/features/rsform/pages/rsform-page/editor-rsform-card/editor-rsform-card.tsx
index 3ae56bfe..2f2f7f2d 100644
--- a/rsconcept/frontend/src/features/rsform/pages/rsform-page/editor-rsform-card/editor-rsform-card.tsx
+++ b/rsconcept/frontend/src/features/rsform/pages/rsform-page/editor-rsform-card/editor-rsform-card.tsx
@@ -1,7 +1,5 @@
 'use client';
 
-import clsx from 'clsx';
-
 import { EditorLibraryItem, ToolbarItemCard } from '@/features/library/components';
 
 import { useModificationStore } from '@/stores/modification';
@@ -35,12 +33,7 @@ export function EditorRSFormCard() {
   return (
     <div
       onKeyDown={handleInput}
-      className={clsx(
-        'relative', //
-        'cc-fade-in',
-        'md:w-fit md:max-w-fit max-w-128',
-        'flex flex-row flex-wrap px-6 pt-8'
-      )}
+      className='relative cc-fade-in md:w-fit md:max-w-fit max-w-128 flex flex-row flex-wrap px-6 pt-8'
     >
       <ToolbarItemCard
         className='cc-tab-tools'
diff --git a/rsconcept/frontend/src/features/rsform/pages/rsform-page/editor-term-graph/view-hidden.tsx b/rsconcept/frontend/src/features/rsform/pages/rsform-page/editor-term-graph/view-hidden.tsx
index 0c5cce64..a1fdbf3d 100644
--- a/rsconcept/frontend/src/features/rsform/pages/rsform-page/editor-term-graph/view-hidden.tsx
+++ b/rsconcept/frontend/src/features/rsform/pages/rsform-page/editor-term-graph/view-hidden.tsx
@@ -56,7 +56,7 @@ export function ViewHidden({ items }: ViewHiddenProps) {
         onClick={toggleFolded}
       />
 
-      <div className={clsx('py-2 clr-input border-x', { 'border-b rounded-b-md': isFolded })}>
+      <div className={clsx('py-2 clr-input border-x', isFolded && 'border-b rounded-b-md')}>
         <div
           className='w-fit select-none'
           style={{
diff --git a/rsconcept/frontend/src/features/rsform/pages/rsform-page/view-constituents/view-constituents.tsx b/rsconcept/frontend/src/features/rsform/pages/rsform-page/view-constituents/view-constituents.tsx
index 365730ff..31444349 100644
--- a/rsconcept/frontend/src/features/rsform/pages/rsform-page/view-constituents/view-constituents.tsx
+++ b/rsconcept/frontend/src/features/rsform/pages/rsform-page/view-constituents/view-constituents.tsx
@@ -6,7 +6,6 @@ import { useRoleStore, UserRole } from '@/features/users';
 
 import { useWindowSize } from '@/hooks/use-window-size';
 import { useFitHeight } from '@/stores/app-layout';
-import { PARAMETER } from '@/utils/constants';
 
 import { ConstituentsSearch } from './constituents-search';
 import { TableSideConstituents } from './table-side-constituents';
@@ -29,19 +28,11 @@ export function ViewConstituents({ className, isBottom, isMounted }: ViewConstit
     <aside
       className={clsx(
         'border',
-        {
-          'rounded-l-md rounded-r-none': !isBottom,
-          'rounded-md': isBottom
-        },
+        isBottom ? 'rounded-md' : 'rounded-l-md rounded-r-none',
+        isMounted ? 'max-w-full' : 'opacity-0 max-w-0',
+        'ease-in-out duration-1000 transition-[opacity,max-width]',
         className
       )}
-      style={{
-        transitionProperty: 'opacity, max-width',
-        transitionDuration: `${2 * PARAMETER.moveDuration}ms`,
-        transitionTimingFunction: 'ease-in-out',
-        opacity: isMounted ? 1 : 0,
-        maxWidth: isMounted ? '100%' : '0'
-      }}
     >
       <ConstituentsSearch dense={!!windowSize.width && windowSize.width < COLUMN_DENSE_SEARCH_THRESHOLD} />
       <TableSideConstituents maxHeight={listHeight} autoScroll={!isBottom} />
diff --git a/rsconcept/frontend/src/index.css b/rsconcept/frontend/src/index.css
index c7369f44..86b5f154 100644
--- a/rsconcept/frontend/src/index.css
+++ b/rsconcept/frontend/src/index.css
@@ -50,4 +50,12 @@
   --breakpoint-lg: 1024px;
   --breakpoint-xl: 1280px;
   --breakpoint-2xl: 1536px;
+
+  --ease-bezier: cubic-bezier(0.4, 0, 0.2, 1);
+
+  --duration-move: 500ms;
+  --duration-modal: 300ms;
+  --duration-fade: 300ms;
+  --duration-dropdown: 200ms;
+  --duration-select: 100ms;
 }
diff --git a/rsconcept/frontend/src/stores/app-layout.ts b/rsconcept/frontend/src/stores/app-layout.ts
index fc43bb48..333078c3 100644
--- a/rsconcept/frontend/src/stores/app-layout.ts
+++ b/rsconcept/frontend/src/stores/app-layout.ts
@@ -10,9 +10,6 @@ interface AppLayoutStore {
 
   noFooter: boolean;
   hideFooter: (value?: boolean) => void;
-
-  noScroll: boolean;
-  hideScroll: (value?: boolean) => void;
 }
 
 export const useAppLayoutStore = create<AppLayoutStore>()(set => ({
@@ -29,10 +26,7 @@ export const useAppLayoutStore = create<AppLayoutStore>()(set => ({
     }),
 
   noFooter: false,
-  hideFooter: value => set({ noFooter: value ?? true }),
-
-  noScroll: true,
-  hideScroll: value => set({ noScroll: value ?? true })
+  hideFooter: value => set({ noFooter: value ?? true })
 }));
 
 /** Utility function that returns the height of the main area. */
diff --git a/rsconcept/frontend/src/styling/constants.css b/rsconcept/frontend/src/styling/constants.css
index 7d1f3e22..20f79b4a 100644
--- a/rsconcept/frontend/src/styling/constants.css
+++ b/rsconcept/frontend/src/styling/constants.css
@@ -15,13 +15,6 @@
 
   --text-max-width: 75ch;
   --scroll-padding: 3rem;
-
-  --duration-move: 500ms;
-  --duration-modal: 300ms;
-  --duration-fade: 300ms;
-  --duration-select: 100ms;
-
-  --transition-bezier: cubic-bezier(0.4, 0, 0.2, 1);
 }
 
 /* Light Theme */
diff --git a/rsconcept/frontend/src/styling/styles.css b/rsconcept/frontend/src/styling/styles.css
index f44425e0..b9133fbe 100644
--- a/rsconcept/frontend/src/styling/styles.css
+++ b/rsconcept/frontend/src/styling/styles.css
@@ -195,7 +195,7 @@
   opacity: 1;
 
   transition-property: opacity;
-  transition-timing-function: var(--transition-bezier);
+  transition-timing-function: var(--ease-bezier);
   transition-duration: var(--duration-fade);
 
   @starting-style {
@@ -205,7 +205,7 @@
 
 @utility cc-animate-position {
   transition-property: transform top left bottom right margin padding;
-  transition-timing-function: var(--transition-bezier);
+  transition-timing-function: var(--ease-bezier);
   transition-duration: var(--duration-move);
 }
 
@@ -214,7 +214,7 @@
   opacity: 1;
 
   transition-property: clip-path, opacity;
-  transition-timing-function: var(--transition-bezier);
+  transition-timing-function: var(--ease-bezier);
   transition-duration: var(--duration-modal);
 
   @starting-style {
@@ -225,10 +225,23 @@
 
 @utility cc-animate-color {
   transition-property: color, background-color;
-  transition-timing-function: var(--transition-bezier);
+  transition-timing-function: var(--ease-bezier);
   transition-duration: var(--duration-select);
 }
 
+@utility cc-tree-item {
+  position: relative;
+  padding-left: 1.5rem;
+  padding-right: 0.75rem;
+
+  cursor: pointer;
+
+  will-change: max-height, opacity, padding, border;
+  transition-property: max-height, opacity, padding, border, color, background-color;
+  transition-timing-function: var(--ease-bezier);
+  transition-duration: var(--duration-dropdown);
+}
+
 @utility cc-badge-constituenta {
   width: 3rem;
   padding-inline: 0.25rem;
diff --git a/rsconcept/frontend/src/utils/constants.ts b/rsconcept/frontend/src/utils/constants.ts
index 3a976787..f39abc3c 100644
--- a/rsconcept/frontend/src/utils/constants.ts
+++ b/rsconcept/frontend/src/utils/constants.ts
@@ -31,9 +31,7 @@ export const PARAMETER = {
 
   logicLabel: 'LOGIC',
   errorNodeLabel: '[ERROR]',
-  exteorVersion: '4.9.7',
-
-  TOOLTIP_WIDTH: 'max-w-120'
+  exteorVersion: '4.9.7'
 };
 
 /**