diff --git a/src/components/features/snippet-editor/SplitScreenEditor.tsx b/src/components/features/snippet-editor/SplitScreenEditor.tsx
index 82b0fe9..e5d9409 100644
--- a/src/components/features/snippet-editor/SplitScreenEditor.tsx
+++ b/src/components/features/snippet-editor/SplitScreenEditor.tsx
@@ -3,9 +3,9 @@ import { MonacoEditor } from '@/components/features/snippet-editor/MonacoEditor'
 import { ReactPreview } from '@/components/features/snippet-editor/ReactPreview'
 import { PythonOutput } from '@/components/features/python-runner/PythonOutput'
 import { Button } from '@/components/ui/button'
-import { ResizableHandle, ResizablePanel, ResizablePanelGroup } from '@/components/ui/resizable'
 import { Code, Eye, SplitHorizontal } from '@phosphor-icons/react'
 import { InputParameter } from '@/lib/types'
+import styles from './split-screen-editor.module.scss'
 
 interface SplitScreenEditorProps {
   value: string
@@ -43,43 +43,40 @@ export function SplitScreenEditor({
   }
 
   return (
-    <div className="space-y-3">
-      <div className="flex items-center gap-2 justify-end">
-        <div className="flex items-center gap-1 p-1 bg-muted rounded-md">
+    <div className={styles.container}>
+      <div className={styles.toolbar}>
+        <div className={styles.buttonGroup}>
           <Button
             variant={viewMode === 'code' ? 'secondary' : 'ghost'}
             size="sm"
             onClick={() => setViewMode('code')}
-            className="gap-2 h-8"
+            className={styles.button}
           >
-            <Code className="h-4 w-4" />
-            <span className="hidden sm:inline">Code</span>
+            <Code className={styles.buttonIcon} />
+            <span className={styles.buttonLabel}>Code</span>
           </Button>
           <Button
             variant={viewMode === 'split' ? 'secondary' : 'ghost'}
             size="sm"
             onClick={() => setViewMode('split')}
-            className="gap-2 h-8"
+            className={styles.button}
           >
-            <SplitHorizontal className="h-4 w-4" />
-            <span className="hidden sm:inline">Split</span>
+            <SplitHorizontal className={styles.buttonIcon} />
+            <span className={styles.buttonLabel}>Split</span>
           </Button>
           <Button
             variant={viewMode === 'preview' ? 'secondary' : 'ghost'}
             size="sm"
             onClick={() => setViewMode('preview')}
-            className="gap-2 h-8"
+            className={styles.button}
           >
-            <Eye className="h-4 w-4" />
-            <span className="hidden sm:inline">{isPython ? 'Output' : 'Preview'}</span>
+            <Eye className={styles.buttonIcon} />
+            <span className={styles.buttonLabel}>{isPython ? 'Output' : 'Preview'}</span>
           </Button>
         </div>
       </div>
 
-      <div 
-        className="rounded-md border border-border overflow-hidden bg-card"
-        style={{ height }}
-      >
+      <div className={styles.viewport} style={{ height }}>
         {viewMode === 'code' && (
           <MonacoEditor
             value={value}
@@ -103,17 +100,16 @@ export function SplitScreenEditor({
         )}
 
         {viewMode === 'split' && (
-          <ResizablePanelGroup direction="horizontal" className="h-full">
-            <ResizablePanel defaultSize={50} minSize={30}>
+          <div className={styles.splitView}>
+            <div className={styles.editorPanel}>
               <MonacoEditor
                 value={value}
                 onChange={onChange}
                 language={language}
                 height="100%"
               />
-            </ResizablePanel>
-            <ResizableHandle withHandle />
-            <ResizablePanel defaultSize={50} minSize={30}>
+            </div>
+            <div className={styles.previewPanel}>
               {isPython ? (
                 <PythonOutput code={value} />
               ) : (
@@ -124,8 +120,8 @@ export function SplitScreenEditor({
                   inputParameters={inputParameters}
                 />
               )}
-            </ResizablePanel>
-          </ResizablePanelGroup>
+            </div>
+          </div>
         )}
       </div>
     </div>
diff --git a/src/components/features/snippet-editor/split-screen-editor.module.scss b/src/components/features/snippet-editor/split-screen-editor.module.scss
new file mode 100644
index 0000000..e085c94
--- /dev/null
+++ b/src/components/features/snippet-editor/split-screen-editor.module.scss
@@ -0,0 +1,59 @@
+.container {
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+}
+
+.toolbar {
+  display: flex;
+  align-items: center;
+  justify-content: flex-end;
+}
+
+.buttonGroup {
+  display: flex;
+  align-items: center;
+  gap: 4px;
+  padding: 4px;
+  background-color: var(--mat-sys-surface-variant);
+  border-radius: var(--mat-sys-corner-small);
+}
+
+.button {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  height: 32px;
+}
+
+.buttonIcon {
+  width: 16px;
+  height: 16px;
+}
+
+.buttonLabel {
+  @media (max-width: 640px) {
+    display: none;
+  }
+}
+
+.viewport {
+  border-radius: var(--mat-sys-corner-small);
+  border: 1px solid var(--mat-sys-outline-variant);
+  overflow: hidden;
+  background-color: var(--mat-sys-surface);
+}
+
+.splitView {
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+  gap: 1px;
+  height: 100%;
+  background-color: var(--mat-sys-outline-variant);
+}
+
+.editorPanel,
+.previewPanel {
+  background-color: var(--mat-sys-surface);
+  overflow: auto;
+}
diff --git a/src/components/ui/accordion.module.scss b/src/components/ui/accordion.module.scss
new file mode 100644
index 0000000..d3fcfad
--- /dev/null
+++ b/src/components/ui/accordion.module.scss
@@ -0,0 +1,70 @@
+.accordion {
+  width: 100%;
+}
+
+.item {
+  border-bottom: 1px solid var(--mat-sys-outline-variant);
+  
+  &:last-child {
+    border-bottom: none;
+  }
+}
+
+.trigger {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  width: 100%;
+  padding: 16px 0;
+  background: transparent;
+  border: none;
+  cursor: pointer;
+  font-family: var(--mat-sys-body-large-font);
+  font-size: var(--mat-sys-body-large-size);
+  font-weight: var(--mat-sys-body-large-weight);
+  color: var(--mat-sys-on-surface);
+  text-align: left;
+  transition: color 200ms;
+  
+  &:hover {
+    color: var(--mat-sys-primary);
+  }
+  
+  &:focus-visible {
+    outline: 2px solid var(--mat-sys-primary);
+    outline-offset: 2px;
+  }
+  
+  &:disabled {
+    opacity: 0.38;
+    cursor: not-allowed;
+  }
+}
+
+.icon {
+  width: 20px;
+  height: 20px;
+  transition: transform 200ms;
+  color: var(--mat-sys-on-surface-variant);
+}
+
+.iconOpen {
+  transform: rotate(180deg);
+}
+
+.content {
+  overflow: hidden;
+  transition: max-height 300ms ease-in-out;
+  max-height: 1000px;
+}
+
+.contentClosed {
+  max-height: 0;
+}
+
+.contentInner {
+  padding: 0 0 16px;
+  font-family: var(--mat-sys-body-medium-font);
+  font-size: var(--mat-sys-body-medium-size);
+  color: var(--mat-sys-on-surface-variant);
+}
diff --git a/src/components/ui/accordion.tsx b/src/components/ui/accordion.tsx
index 1fa55cd..cf68077 100644
--- a/src/components/ui/accordion.tsx
+++ b/src/components/ui/accordion.tsx
@@ -1,64 +1,108 @@
-import { ComponentProps } from "react"
-import * as AccordionPrimitive from "@radix-ui/react-accordion"
-import ChevronDownIcon from "lucide-react/dist/esm/icons/chevron-down"
+import { ComponentProps, forwardRef, useState, createContext, useContext } from 'react'
+import styles from './accordion.module.scss'
+import { cn } from '@/lib/utils'
+import { CaretDown } from '@phosphor-icons/react'
 
-import { cn } from "@/lib/utils"
-
-function Accordion({
-  ...props
-}: ComponentProps<typeof AccordionPrimitive.Root>) {
-  return <AccordionPrimitive.Root data-slot="accordion" {...props} />
+interface AccordionContextValue {
+  openItems: Set<string>
+  toggleItem: (value: string) => void
+  type: 'single' | 'multiple'
 }
 
-function AccordionItem({
+const AccordionContext = createContext<AccordionContextValue | null>(null)
+
+interface AccordionProps extends ComponentProps<'div'> {
+  type?: 'single' | 'multiple'
+  defaultValue?: string | string[]
+}
+
+export function Accordion({ 
+  type = 'single', 
+  defaultValue,
+  children, 
   className,
-  ...props
-}: ComponentProps<typeof AccordionPrimitive.Item>) {
+  ...props 
+}: AccordionProps) {
+  const [openItems, setOpenItems] = useState<Set<string>>(() => {
+    if (!defaultValue) return new Set()
+    return new Set(Array.isArray(defaultValue) ? defaultValue : [defaultValue])
+  })
+  
+  const toggleItem = (value: string) => {
+    setOpenItems(prev => {
+      const next = new Set(prev)
+      if (next.has(value)) {
+        next.delete(value)
+      } else {
+        if (type === 'single') {
+          next.clear()
+        }
+        next.add(value)
+      }
+      return next
+    })
+  }
+  
   return (
-    <AccordionPrimitive.Item
-      data-slot="accordion-item"
-      className={cn("border-b last:border-b-0", className)}
-      {...props}
-    />
+    <AccordionContext.Provider value={{ openItems, toggleItem, type }}>
+      <div className={cn(styles.accordion, className)} {...props}>
+        {children}
+      </div>
+    </AccordionContext.Provider>
   )
 }
 
-function AccordionTrigger({
-  className,
-  children,
-  ...props
-}: ComponentProps<typeof AccordionPrimitive.Trigger>) {
-  return (
-    <AccordionPrimitive.Header className="flex">
-      <AccordionPrimitive.Trigger
-        data-slot="accordion-trigger"
-        className={cn(
-          "focus-visible:border-ring focus-visible:ring-ring/50 flex flex-1 items-start justify-between gap-4 rounded-md py-4 text-left text-sm font-medium transition-all outline-none hover:underline focus-visible:ring-[3px] disabled:pointer-events-none disabled:opacity-50 [&[data-state=open]>svg]:rotate-180",
-          className
-        )}
+export const AccordionItem = forwardRef<HTMLDivElement, ComponentProps<'div'> & { value: string }>(
+  ({ className, value, ...props }, ref) => (
+    <div ref={ref} className={cn(styles.item, className)} data-value={value} {...props} />
+  )
+)
+AccordionItem.displayName = 'AccordionItem'
+
+interface AccordionTriggerProps extends ComponentProps<'button'> {
+  value?: string
+}
+
+export const AccordionTrigger = forwardRef<HTMLButtonElement, AccordionTriggerProps>(
+  ({ className, children, ...props }, ref) => {
+    const context = useContext(AccordionContext)
+    const item = (ref as any)?.current?.closest('[data-value]')
+    const value = item?.getAttribute('data-value') || ''
+    const isOpen = context?.openItems.has(value)
+    
+    return (
+      <button 
+        ref={ref} 
+        className={cn(styles.trigger, className)} 
+        onClick={() => context?.toggleItem(value)}
         {...props}
       >
         {children}
-        <ChevronDownIcon className="text-muted-foreground pointer-events-none size-4 shrink-0 translate-y-0.5 transition-transform duration-200" />
-      </AccordionPrimitive.Trigger>
-    </AccordionPrimitive.Header>
-  )
-}
+        <CaretDown className={cn(styles.icon, isOpen && styles.iconOpen)} weight="bold" />
+      </button>
+    )
+  }
+)
+AccordionTrigger.displayName = 'AccordionTrigger'
 
-function AccordionContent({
-  className,
-  children,
-  ...props
-}: ComponentProps<typeof AccordionPrimitive.Content>) {
-  return (
-    <AccordionPrimitive.Content
-      data-slot="accordion-content"
-      className="data-[state=closed]:animate-accordion-up data-[state=open]:animate-accordion-down overflow-hidden text-sm"
-      {...props}
-    >
-      <div className={cn("pt-0 pb-4", className)}>{children}</div>
-    </AccordionPrimitive.Content>
-  )
-}
-
-export { Accordion, AccordionItem, AccordionTrigger, AccordionContent }
+export const AccordionContent = forwardRef<HTMLDivElement, ComponentProps<'div'>>(
+  ({ className, children, ...props }, ref) => {
+    const context = useContext(AccordionContext)
+    const item = (ref as any)?.current?.closest('[data-value]')
+    const value = item?.getAttribute('data-value') || ''
+    const isOpen = context?.openItems.has(value)
+    
+    return (
+      <div 
+        ref={ref} 
+        className={cn(styles.content, !isOpen && styles.contentClosed, className)} 
+        {...props}
+      >
+        <div className={styles.contentInner}>
+          {children}
+        </div>
+      </div>
+    )
+  }
+)
+AccordionContent.displayName = 'AccordionContent'
diff --git a/src/components/ui/checkbox.module.scss b/src/components/ui/checkbox.module.scss
new file mode 100644
index 0000000..6d1e5c6
--- /dev/null
+++ b/src/components/ui/checkbox.module.scss
@@ -0,0 +1,51 @@
+.container {
+  display: inline-flex;
+  align-items: center;
+  cursor: pointer;
+  position: relative;
+}
+
+.input {
+  position: absolute;
+  opacity: 0;
+  width: 0;
+  height: 0;
+  
+  &:focus-visible + .indicator {
+    outline: 2px solid var(--mat-sys-primary);
+    outline-offset: 2px;
+  }
+}
+
+.indicator {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 18px;
+  height: 18px;
+  border: 2px solid var(--mat-sys-on-surface-variant);
+  border-radius: var(--mat-sys-corner-extra-small);
+  background-color: transparent;
+  transition: all 200ms;
+  
+  .input:hover + & {
+    border-color: var(--mat-sys-on-surface);
+    background-color: color-mix(in srgb, var(--mat-sys-on-surface) 8%, transparent);
+  }
+  
+  .input:checked + & {
+    border-color: var(--mat-sys-primary);
+    background-color: var(--mat-sys-primary);
+  }
+  
+  .input:disabled + & {
+    opacity: 0.38;
+    cursor: not-allowed;
+  }
+}
+
+.icon {
+  width: 14px;
+  height: 14px;
+  color: var(--mat-sys-on-primary);
+}
diff --git a/src/components/ui/checkbox.tsx b/src/components/ui/checkbox.tsx
index 622f154..e9451c1 100644
--- a/src/components/ui/checkbox.tsx
+++ b/src/components/ui/checkbox.tsx
@@ -1,30 +1,33 @@
-"use client"
+import { ComponentProps, forwardRef } from 'react'
+import styles from './checkbox.module.scss'
+import { cn } from '@/lib/utils'
+import { Check, Minus } from '@phosphor-icons/react'
 
-import * as React from "react"
-import * as CheckboxPrimitive from "@radix-ui/react-checkbox"
-import Check from "lucide-react/dist/esm/icons/check"
+interface CheckboxProps extends Omit<ComponentProps<'input'>, 'type'> {
+  checked?: boolean
+  onCheckedChange?: (checked: boolean) => void
+  indeterminate?: boolean
+}
 
-import { cn } from "@/lib/utils"
-
-const Checkbox = React.forwardRef<
-  React.ElementRef<typeof CheckboxPrimitive.Root>,
-  React.ComponentPropsWithoutRef<typeof CheckboxPrimitive.Root>
->(({ className, ...props }, ref) => (
-  <CheckboxPrimitive.Root
-    ref={ref}
-    className={cn(
-      "peer h-4 w-4 shrink-0 rounded-sm border border-primary ring-offset-background focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50 data-[state=checked]:bg-primary data-[state=checked]:text-primary-foreground",
-      className
-    )}
-    {...props}
-  >
-    <CheckboxPrimitive.Indicator
-      className={cn("flex items-center justify-center text-current")}
-    >
-      <Check className="h-4 w-4" />
-    </CheckboxPrimitive.Indicator>
-  </CheckboxPrimitive.Root>
-))
-Checkbox.displayName = CheckboxPrimitive.Root.displayName
-
-export { Checkbox }
+export const Checkbox = forwardRef<HTMLInputElement, CheckboxProps>(
+  ({ className, checked, onCheckedChange, indeterminate, ...props }, ref) => (
+    <label className={cn(styles.container, className)}>
+      <input
+        ref={ref}
+        type="checkbox"
+        className={styles.input}
+        checked={checked}
+        onChange={(e) => onCheckedChange?.(e.target.checked)}
+        {...props}
+      />
+      <span className={styles.indicator}>
+        {indeterminate ? (
+          <Minus className={styles.icon} weight="bold" />
+        ) : checked ? (
+          <Check className={styles.icon} weight="bold" />
+        ) : null}
+      </span>
+    </label>
+  )
+)
+Checkbox.displayName = 'Checkbox'
diff --git a/src/components/ui/radio-group.module.scss b/src/components/ui/radio-group.module.scss
new file mode 100644
index 0000000..e006540
--- /dev/null
+++ b/src/components/ui/radio-group.module.scss
@@ -0,0 +1,55 @@
+.group {
+  display: grid;
+  gap: 8px;
+}
+
+.item {
+  display: inline-flex;
+  align-items: center;
+  cursor: pointer;
+  position: relative;
+}
+
+.input {
+  position: absolute;
+  opacity: 0;
+  width: 0;
+  height: 0;
+  
+  &:focus-visible + .indicator {
+    outline: 2px solid var(--mat-sys-primary);
+    outline-offset: 2px;
+  }
+}
+
+.indicator {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 20px;
+  height: 20px;
+  border: 2px solid var(--mat-sys-on-surface-variant);
+  border-radius: 50%;
+  background-color: transparent;
+  transition: all 200ms;
+  
+  .input:hover + & {
+    border-color: var(--mat-sys-on-surface);
+    background-color: color-mix(in srgb, var(--mat-sys-on-surface) 8%, transparent);
+  }
+  
+  .input:checked + & {
+    border-color: var(--mat-sys-primary);
+  }
+  
+  .input:disabled + & {
+    opacity: 0.38;
+    cursor: not-allowed;
+  }
+}
+
+.icon {
+  width: 10px;
+  height: 10px;
+  color: var(--mat-sys-primary);
+}
diff --git a/src/components/ui/radio-group.tsx b/src/components/ui/radio-group.tsx
index 147f414..2e271c6 100644
--- a/src/components/ui/radio-group.tsx
+++ b/src/components/ui/radio-group.tsx
@@ -1,44 +1,49 @@
-"use client"
+import { ComponentProps, forwardRef, createContext, useContext } from 'react'
+import styles from './radio-group.module.scss'
+import { cn } from '@/lib/utils'
+import { Circle } from '@phosphor-icons/react'
 
-import * as React from "react"
-import * as RadioGroupPrimitive from "@radix-ui/react-radio-group"
-import Circle from "lucide-react/dist/esm/icons/circle"
+interface RadioGroupContextValue {
+  value?: string
+  onValueChange?: (value: string) => void
+}
 
-import { cn } from "@/lib/utils"
+const RadioGroupContext = createContext<RadioGroupContextValue | null>(null)
 
-const RadioGroup = React.forwardRef<
-  React.ElementRef<typeof RadioGroupPrimitive.Root>,
-  React.ComponentPropsWithoutRef<typeof RadioGroupPrimitive.Root>
->(({ className, ...props }, ref) => {
-  return (
-    <RadioGroupPrimitive.Root
-      className={cn("grid gap-2", className)}
-      {...props}
-      ref={ref}
-    />
+interface RadioGroupProps extends ComponentProps<'div'> {
+  value?: string
+  onValueChange?: (value: string) => void
+}
+
+export const RadioGroup = forwardRef<HTMLDivElement, RadioGroupProps>(
+  ({ className, value, onValueChange, ...props }, ref) => (
+    <RadioGroupContext.Provider value={{ value, onValueChange }}>
+      <div ref={ref} className={cn(styles.group, className)} role="radiogroup" {...props} />
+    </RadioGroupContext.Provider>
   )
-})
-RadioGroup.displayName = RadioGroupPrimitive.Root.displayName
+)
+RadioGroup.displayName = 'RadioGroup'
 
-const RadioGroupItem = React.forwardRef<
-  React.ElementRef<typeof RadioGroupPrimitive.Item>,
-  React.ComponentPropsWithoutRef<typeof RadioGroupPrimitive.Item>
->(({ className, ...props }, ref) => {
-  return (
-    <RadioGroupPrimitive.Item
-      ref={ref}
-      className={cn(
-        "aspect-square h-4 w-4 rounded-full border border-primary text-primary ring-offset-background focus:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50",
-        className
-      )}
-      {...props}
-    >
-      <RadioGroupPrimitive.Indicator className="flex items-center justify-center">
-        <Circle className="h-2.5 w-2.5 fill-current text-current" />
-      </RadioGroupPrimitive.Indicator>
-    </RadioGroupPrimitive.Item>
-  )
-})
-RadioGroupItem.displayName = RadioGroupPrimitive.Item.displayName
-
-export { RadioGroup, RadioGroupItem }
+export const RadioGroupItem = forwardRef<HTMLInputElement, ComponentProps<'input'> & { value: string }>(
+  ({ className, value, ...props }, ref) => {
+    const context = useContext(RadioGroupContext)
+    const isChecked = context?.value === value
+    
+    return (
+      <label className={cn(styles.item, className)}>
+        <input
+          ref={ref}
+          type="radio"
+          className={styles.input}
+          checked={isChecked}
+          onChange={() => context?.onValueChange?.(value)}
+          {...props}
+        />
+        <span className={styles.indicator}>
+          {isChecked && <Circle className={styles.icon} weight="fill" />}
+        </span>
+      </label>
+    )
+  }
+)
+RadioGroupItem.displayName = 'RadioGroupItem'
diff --git a/src/components/ui/select.module.scss b/src/components/ui/select.module.scss
new file mode 100644
index 0000000..390dd0d
--- /dev/null
+++ b/src/components/ui/select.module.scss
@@ -0,0 +1,127 @@
+.trigger {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 8px;
+  min-width: 120px;
+  height: 40px;
+  padding: 0 12px;
+  border: 1px solid var(--mat-sys-outline);
+  border-radius: var(--mat-sys-corner-small);
+  background-color: var(--mat-sys-surface);
+  color: var(--mat-sys-on-surface);
+  font-family: var(--mat-sys-body-large-font);
+  font-size: var(--mat-sys-body-large-size);
+  cursor: pointer;
+  transition: all 200ms;
+  
+  &:hover {
+    border-color: var(--mat-sys-on-surface);
+    background-color: var(--mat-sys-surface-variant);
+  }
+  
+  &:focus-visible {
+    outline: 2px solid var(--mat-sys-primary);
+    border-color: var(--mat-sys-primary);
+  }
+  
+  &:disabled {
+    opacity: 0.38;
+    cursor: not-allowed;
+  }
+}
+
+.triggerSm {
+  height: 32px;
+  font-size: var(--mat-sys-body-medium-size);
+}
+
+.icon {
+  width: 16px;
+  height: 16px;
+  color: var(--mat-sys-on-surface-variant);
+}
+
+.overlay {
+  position: fixed;
+  inset: 0;
+  z-index: 1000;
+  background-color: transparent;
+}
+
+.content {
+  position: fixed;
+  z-index: 1001;
+  min-width: 180px;
+  max-height: 400px;
+  overflow-y: auto;
+  padding: 8px;
+  background-color: var(--mat-sys-surface-container);
+  border-radius: var(--mat-sys-corner-small);
+  box-shadow: var(--mat-sys-level2);
+  animation: slideIn 200ms;
+}
+
+.item {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  min-height: 48px;
+  padding: 12px 16px;
+  border-radius: var(--mat-sys-corner-extra-small);
+  cursor: pointer;
+  font-family: var(--mat-sys-body-large-font);
+  font-size: var(--mat-sys-body-large-size);
+  color: var(--mat-sys-on-surface);
+  transition: background-color 200ms;
+  
+  &:hover {
+    background-color: color-mix(in srgb, var(--mat-sys-on-surface) 8%, transparent);
+  }
+  
+  &:focus-visible {
+    background-color: color-mix(in srgb, var(--mat-sys-on-surface) 12%, transparent);
+  }
+}
+
+.itemSelected {
+  background-color: var(--mat-sys-secondary-container);
+  color: var(--mat-sys-on-secondary-container);
+}
+
+.checkmark {
+  width: 20px;
+  height: 20px;
+  color: var(--mat-sys-primary);
+}
+
+.group {
+  padding: 8px 0;
+}
+
+.label {
+  padding: 8px 16px;
+  font-family: var(--mat-sys-label-small-font);
+  font-size: var(--mat-sys-label-small-size);
+  font-weight: var(--mat-sys-label-small-weight);
+  color: var(--mat-sys-on-surface-variant);
+  text-transform: uppercase;
+  letter-spacing: 0.1em;
+}
+
+.separator {
+  height: 1px;
+  margin: 8px 0;
+  background-color: var(--mat-sys-outline-variant);
+}
+
+@keyframes slideIn {
+  from {
+    opacity: 0;
+    transform: scale(0.95);
+  }
+  to {
+    opacity: 1;
+    transform: scale(1);
+  }
+}
diff --git a/src/components/ui/select.tsx b/src/components/ui/select.tsx
index 0fb0d44..5fbbfb8 100644
--- a/src/components/ui/select.tsx
+++ b/src/components/ui/select.tsx
@@ -1,185 +1,124 @@
-import { ComponentProps } from "react"
-import * as SelectPrimitive from "@radix-ui/react-select"
-import CheckIcon from "lucide-react/dist/esm/icons/check"
-import ChevronDownIcon from "lucide-react/dist/esm/icons/chevron-down"
-import ChevronUpIcon from "lucide-react/dist/esm/icons/chevron-up"
+import { ComponentProps, forwardRef, useState, createContext, useContext } from 'react'
+import { createPortal } from 'react-dom'
+import styles from './select.module.scss'
+import { cn } from '@/lib/utils'
+import { CaretDown, Check } from '@phosphor-icons/react'
 
-import { cn } from "@/lib/utils"
-
-function Select({
-  ...props
-}: ComponentProps<typeof SelectPrimitive.Root>) {
-  return <SelectPrimitive.Root data-slot="select" {...props} />
+interface SelectContextValue {
+  value?: string
+  onValueChange?: (value: string) => void
+  open: boolean
+  setOpen: (open: boolean) => void
 }
 
-function SelectGroup({
-  ...props
-}: ComponentProps<typeof SelectPrimitive.Group>) {
-  return <SelectPrimitive.Group data-slot="select-group" {...props} />
+const SelectContext = createContext<SelectContextValue | null>(null)
+
+interface SelectProps {
+  value?: string
+  onValueChange?: (value: string) => void
+  children: React.ReactNode
 }
 
-function SelectValue({
-  ...props
-}: ComponentProps<typeof SelectPrimitive.Value>) {
-  return <SelectPrimitive.Value data-slot="select-value" {...props} />
-}
-
-function SelectTrigger({
-  className,
-  size = "default",
-  children,
-  ...props
-}: ComponentProps<typeof SelectPrimitive.Trigger> & {
-  size?: "sm" | "default"
-}) {
+export function Select({ value, onValueChange, children }: SelectProps) {
+  const [open, setOpen] = useState(false)
+  
   return (
-    <SelectPrimitive.Trigger
-      data-slot="select-trigger"
-      data-size={size}
-      className={cn(
-        "border-input data-[placeholder]:text-muted-foreground [&_svg:not([class*='text-'])]:text-muted-foreground focus-visible:border-ring focus-visible:ring-ring/50 aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive dark:bg-input/30 dark:hover:bg-input/50 flex w-fit items-center justify-between gap-2 rounded-md border bg-transparent px-3 py-2 text-sm whitespace-nowrap shadow-xs transition-[color,box-shadow] outline-none focus-visible:ring-[3px] disabled:cursor-not-allowed disabled:opacity-50 data-[size=default]:h-9 data-[size=sm]:h-8 *:data-[slot=select-value]:line-clamp-1 *:data-[slot=select-value]:flex *:data-[slot=select-value]:items-center *:data-[slot=select-value]:gap-2 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
-        className
-      )}
-      {...props}
-    >
+    <SelectContext.Provider value={{ value, onValueChange, open, setOpen }}>
       {children}
-      <SelectPrimitive.Icon asChild>
-        <ChevronDownIcon className="size-4 opacity-50" />
-      </SelectPrimitive.Icon>
-    </SelectPrimitive.Trigger>
+    </SelectContext.Provider>
   )
 }
 
-function SelectContent({
-  className,
-  children,
-  position = "popper",
-  ...props
-}: ComponentProps<typeof SelectPrimitive.Content>) {
-  return (
-    <SelectPrimitive.Portal>
-      <SelectPrimitive.Content
-        data-slot="select-content"
-        className={cn(
-          "bg-popover text-popover-foreground data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 relative z-50 max-h-(--radix-select-content-available-height) min-w-[8rem] origin-(--radix-select-content-transform-origin) overflow-x-hidden overflow-y-auto rounded-md border shadow-md",
-          position === "popper" &&
-            "data-[side=bottom]:translate-y-1 data-[side=left]:-translate-x-1 data-[side=right]:translate-x-1 data-[side=top]:-translate-y-1",
-          className
-        )}
-        position={position}
+export const SelectTrigger = forwardRef<HTMLButtonElement, ComponentProps<'button'> & { size?: 'sm' | 'default' }>(
+  ({ className, children, size = 'default', ...props }, ref) => {
+    const context = useContext(SelectContext)
+    
+    return (
+      <button
+        ref={ref}
+        className={cn(styles.trigger, size === 'sm' && styles.triggerSm, className)}
+        onClick={() => context?.setOpen(!context.open)}
         {...props}
       >
-        <SelectScrollUpButton />
-        <SelectPrimitive.Viewport
-          className={cn(
-            "p-1",
-            position === "popper" &&
-              "h-[var(--radix-select-trigger-height)] w-full min-w-[var(--radix-select-trigger-width)] scroll-my-1"
-          )}
+        {children}
+        <CaretDown className={styles.icon} />
+      </button>
+    )
+  }
+)
+SelectTrigger.displayName = 'SelectTrigger'
+
+export const SelectValue = ({ placeholder }: { placeholder?: string }) => {
+  const context = useContext(SelectContext)
+  return <span>{context?.value || placeholder}</span>
+}
+
+export const SelectContent = forwardRef<HTMLDivElement, ComponentProps<'div'>>(
+  ({ className, children, position = 'popper', ...props }, ref) => {
+    const context = useContext(SelectContext)
+    
+    if (!context?.open) return null
+    
+    return createPortal(
+      <div className={styles.overlay} onClick={() => context.setOpen(false)}>
+        <div 
+          ref={ref}
+          className={cn(styles.content, className)} 
+          onClick={(e) => e.stopPropagation()}
+          {...props}
         >
           {children}
-        </SelectPrimitive.Viewport>
-        <SelectScrollDownButton />
-      </SelectPrimitive.Content>
-    </SelectPrimitive.Portal>
-  )
-}
+        </div>
+      </div>,
+      document.body
+    )
+  }
+)
+SelectContent.displayName = 'SelectContent'
 
-function SelectLabel({
-  className,
-  ...props
-}: ComponentProps<typeof SelectPrimitive.Label>) {
-  return (
-    <SelectPrimitive.Label
-      data-slot="select-label"
-      className={cn("text-muted-foreground px-2 py-1.5 text-xs", className)}
-      {...props}
-    />
-  )
-}
+export const SelectItem = forwardRef<HTMLDivElement, ComponentProps<'div'> & { value: string }>(
+  ({ className, children, value, ...props }, ref) => {
+    const context = useContext(SelectContext)
+    const isSelected = context?.value === value
+    
+    return (
+      <div
+        ref={ref}
+        className={cn(styles.item, isSelected && styles.itemSelected, className)}
+        onClick={() => {
+          context?.onValueChange?.(value)
+          context?.setOpen(false)
+        }}
+        {...props}
+      >
+        {children}
+        {isSelected && <Check className={styles.checkmark} weight="bold" />}
+      </div>
+    )
+  }
+)
+SelectItem.displayName = 'SelectItem'
 
-function SelectItem({
-  className,
-  children,
-  ...props
-}: ComponentProps<typeof SelectPrimitive.Item>) {
-  return (
-    <SelectPrimitive.Item
-      data-slot="select-item"
-      className={cn(
-        "focus:bg-accent focus:text-accent-foreground [&_svg:not([class*='text-'])]:text-muted-foreground relative flex w-full cursor-default items-center gap-2 rounded-sm py-1.5 pr-8 pl-2 text-sm outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4 *:[span]:last:flex *:[span]:last:items-center *:[span]:last:gap-2",
-        className
-      )}
-      {...props}
-    >
-      <span className="absolute right-2 flex size-3.5 items-center justify-center">
-        <SelectPrimitive.ItemIndicator>
-          <CheckIcon className="size-4" />
-        </SelectPrimitive.ItemIndicator>
-      </span>
-      <SelectPrimitive.ItemText>{children}</SelectPrimitive.ItemText>
-    </SelectPrimitive.Item>
+export const SelectGroup = forwardRef<HTMLDivElement, ComponentProps<'div'>>(
+  ({ className, ...props }, ref) => (
+    <div ref={ref} className={cn(styles.group, className)} {...props} />
   )
-}
+)
+SelectGroup.displayName = 'SelectGroup'
 
-function SelectSeparator({
-  className,
-  ...props
-}: ComponentProps<typeof SelectPrimitive.Separator>) {
-  return (
-    <SelectPrimitive.Separator
-      data-slot="select-separator"
-      className={cn("bg-border pointer-events-none -mx-1 my-1 h-px", className)}
-      {...props}
-    />
+export const SelectLabel = forwardRef<HTMLDivElement, ComponentProps<'div'>>(
+  ({ className, ...props }, ref) => (
+    <div ref={ref} className={cn(styles.label, className)} {...props} />
   )
-}
+)
+SelectLabel.displayName = 'SelectLabel'
 
-function SelectScrollUpButton({
-  className,
-  ...props
-}: ComponentProps<typeof SelectPrimitive.ScrollUpButton>) {
-  return (
-    <SelectPrimitive.ScrollUpButton
-      data-slot="select-scroll-up-button"
-      className={cn(
-        "flex cursor-default items-center justify-center py-1",
-        className
-      )}
-      {...props}
-    >
-      <ChevronUpIcon className="size-4" />
-    </SelectPrimitive.ScrollUpButton>
+export const SelectSeparator = forwardRef<HTMLDivElement, ComponentProps<'div'>>(
+  ({ className, ...props }, ref) => (
+    <div ref={ref} className={cn(styles.separator, className)} {...props} />
   )
-}
+)
+SelectSeparator.displayName = 'SelectSeparator'
 
-function SelectScrollDownButton({
-  className,
-  ...props
-}: ComponentProps<typeof SelectPrimitive.ScrollDownButton>) {
-  return (
-    <SelectPrimitive.ScrollDownButton
-      data-slot="select-scroll-down-button"
-      className={cn(
-        "flex cursor-default items-center justify-center py-1",
-        className
-      )}
-      {...props}
-    >
-      <ChevronDownIcon className="size-4" />
-    </SelectPrimitive.ScrollDownButton>
-  )
-}
-
-export {
-  Select,
-  SelectContent,
-  SelectGroup,
-  SelectItem,
-  SelectLabel,
-  SelectScrollDownButton,
-  SelectScrollUpButton,
-  SelectSeparator,
-  SelectTrigger,
-  SelectValue,
-}
+export const SelectScrollUpButton = () => null
+export const SelectScrollDownButton = () => null
diff --git a/src/components/ui/switch.module.scss b/src/components/ui/switch.module.scss
new file mode 100644
index 0000000..ead09f1
--- /dev/null
+++ b/src/components/ui/switch.module.scss
@@ -0,0 +1,58 @@
+.container {
+  display: inline-flex;
+  align-items: center;
+  cursor: pointer;
+  position: relative;
+}
+
+.input {
+  position: absolute;
+  opacity: 0;
+  width: 0;
+  height: 0;
+  
+  &:focus-visible + .track {
+    outline: 2px solid var(--mat-sys-primary);
+    outline-offset: 2px;
+  }
+}
+
+.track {
+  position: relative;
+  display: inline-block;
+  width: 52px;
+  height: 32px;
+  border-radius: var(--mat-sys-corner-full);
+  background-color: var(--mat-sys-surface-variant);
+  border: 2px solid var(--mat-sys-outline);
+  transition: all 200ms;
+  
+  .input:checked + & {
+    background-color: var(--mat-sys-primary);
+    border-color: var(--mat-sys-primary);
+  }
+  
+  .input:disabled + & {
+    opacity: 0.38;
+    cursor: not-allowed;
+  }
+}
+
+.thumb {
+  position: absolute;
+  top: 50%;
+  left: 8px;
+  transform: translateY(-50%);
+  width: 16px;
+  height: 16px;
+  border-radius: var(--mat-sys-corner-full);
+  background-color: var(--mat-sys-outline);
+  transition: all 200ms;
+  
+  .input:checked + .track & {
+    left: 24px;
+    width: 24px;
+    height: 24px;
+    background-color: var(--mat-sys-on-primary);
+  }
+}
diff --git a/src/components/ui/switch.tsx b/src/components/ui/switch.tsx
index bc69cf2..45daa20 100644
--- a/src/components/ui/switch.tsx
+++ b/src/components/ui/switch.tsx
@@ -1,29 +1,27 @@
-"use client"
+import { ComponentProps, forwardRef } from 'react'
+import styles from './switch.module.scss'
+import { cn } from '@/lib/utils'
 
-import * as React from "react"
-import * as SwitchPrimitives from "@radix-ui/react-switch"
+interface SwitchProps extends Omit<ComponentProps<'input'>, 'type'> {
+  checked?: boolean
+  onCheckedChange?: (checked: boolean) => void
+}
 
-import { cn } from "@/lib/utils"
-
-const Switch = React.forwardRef<
-  React.ElementRef<typeof SwitchPrimitives.Root>,
-  React.ComponentPropsWithoutRef<typeof SwitchPrimitives.Root>
->(({ className, ...props }, ref) => (
-  <SwitchPrimitives.Root
-    className={cn(
-      "peer inline-flex h-6 w-11 shrink-0 cursor-pointer items-center rounded-full border-2 border-transparent transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 focus-visible:ring-offset-background disabled:cursor-not-allowed disabled:opacity-50 data-[state=checked]:bg-primary data-[state=unchecked]:bg-input",
-      className
-    )}
-    {...props}
-    ref={ref}
-  >
-    <SwitchPrimitives.Thumb
-      className={cn(
-        "pointer-events-none block h-5 w-5 rounded-full bg-background shadow-lg ring-0 transition-transform data-[state=checked]:translate-x-5 data-[state=unchecked]:translate-x-0"
-      )}
-    />
-  </SwitchPrimitives.Root>
-))
-Switch.displayName = SwitchPrimitives.Root.displayName
-
-export { Switch }
+export const Switch = forwardRef<HTMLInputElement, SwitchProps>(
+  ({ className, checked, onCheckedChange, ...props }, ref) => (
+    <label className={cn(styles.container, className)}>
+      <input
+        ref={ref}
+        type="checkbox"
+        className={styles.input}
+        checked={checked}
+        onChange={(e) => onCheckedChange?.(e.target.checked)}
+        {...props}
+      />
+      <span className={styles.track}>
+        <span className={styles.thumb} />
+      </span>
+    </label>
+  )
+)
+Switch.displayName = 'Switch'