diff --git a/legacy/components/properties/audio-properties.tsx b/legacy/components/properties/audio-properties.tsx
deleted file mode 100644
index 9e2b0b9a..00000000
--- a/legacy/components/properties/audio-properties.tsx
+++ /dev/null
@@ -1,3 +0,0 @@
-export function AudioProperties() {
-	return <div className="space-y-4 p-5">Audio properties</div>;
-}
diff --git a/legacy/components/properties/clip-effects-properties.tsx b/legacy/components/properties/clip-effects-properties.tsx
deleted file mode 100644
index e409c22d..00000000
--- a/legacy/components/properties/clip-effects-properties.tsx
+++ /dev/null
@@ -1,215 +0,0 @@
-"use client";
-
-import { useEffect, useState } from "react";
-import type { Effect } from "@/types/effects";
-import type { VisualElement } from "@/types/timeline";
-import { getEffect } from "@/lib/effects/registry";
-import { useEditor } from "@/hooks/use-editor";
-import { usePropertiesStore } from "@/stores/properties-store";
-import {
-	Section,
-	SectionContent,
-	SectionHeader,
-	SectionTitle,
-	SectionFields,
-} from "./section";
-import { EffectParamField } from "./effect-param-field";
-import { Button } from "@/components/ui/button";
-import { HugeiconsIcon } from "@hugeicons/react";
-import {
-	ArrowLeft01Icon,
-	Delete02Icon,
-	ViewIcon,
-	ViewOffSlashIcon,
-} from "@hugeicons/core-free-icons";
-import { ScrollArea } from "@/components/ui/scroll-area";
-import { cn } from "@/utils/ui";
-export function ClipEffectsProperties({
-	element,
-	trackId,
-}: {
-	element: VisualElement;
-	trackId: string;
-}) {
-	const closeClipEffects = usePropertiesStore(
-		(state) => state.closeClipEffects,
-	);
-	const editor = useEditor();
-	const effects = element.effects ?? [];
-
-	useEffect(() => {
-		if (effects.length === 0) closeClipEffects();
-	}, [effects.length, closeClipEffects]);
-
-	const [dragIndex, setDragIndex] = useState<number | null>(null);
-	const [dropIndex, setDropIndex] = useState<number | null>(null);
-
-	const handleDragStart = ({ index }: { index: number }) => {
-		setDragIndex(index);
-	};
-
-	const handleDragOver = ({ event, index }: { event: React.DragEvent; index: number }) => {
-		event.preventDefault();
-		if (index !== dropIndex) setDropIndex(index);
-	};
-
-	const handleDrop = ({ toIndex }: { toIndex: number }) => {
-		if (dragIndex !== null && dragIndex !== toIndex) {
-			editor.timeline.reorderClipEffects({
-				trackId,
-				elementId: element.id,
-				fromIndex: dragIndex,
-				toIndex,
-			});
-		}
-		setDragIndex(null);
-		setDropIndex(null);
-	};
-
-	const handleDragEnd = () => {
-		setDragIndex(null);
-		setDropIndex(null);
-	};
-
-	return (
-		<div className="flex h-full flex-col">
-			<div className="flex h-11 shrink-0 items-center gap-2 border-b px-1.5">
-				<Button
-					variant="ghost"
-					size="icon"
-					onClick={closeClipEffects}
-					aria-label="Back to properties"
-				>
-					<HugeiconsIcon icon={ArrowLeft01Icon} />
-				</Button>
-				<span className="text-sm font-medium">Effects</span>
-			</div>
-			<ScrollArea className="flex-1 scrollbar-hidden">
-				{effects.map((effect, index) => (
-					// biome-ignore lint/a11y/noStaticElementInteractions: drag-and-drop list reorder
-					<div
-						key={effect.id}
-						draggable
-					onDragStart={() => handleDragStart({ index })}
-					onDragOver={(event) => handleDragOver({ event, index })}
-					onDrop={() => handleDrop({ toIndex: index })}
-						onDragEnd={handleDragEnd}
-						className={cn(
-							"group",
-							dragIndex === index && "opacity-40",
-							dropIndex === index &&
-								dragIndex !== null &&
-								dragIndex !== index &&
-								(index < dragIndex
-									? "border-t-2 border-primary"
-									: "border-b-2 border-primary"),
-						)}
-					>
-						<ClipEffectSection
-							effect={effect}
-							element={element}
-							trackId={trackId}
-						/>
-					</div>
-				))}
-			</ScrollArea>
-		</div>
-	);
-}
-
-function ClipEffectSection({
-	effect,
-	element,
-	trackId,
-}: {
-	effect: Effect;
-	element: VisualElement;
-	trackId: string;
-}) {
-	const editor = useEditor();
-	const definition = getEffect({ effectType: effect.type });
-
-	const previewParam = ({ key }: { key: string }) => (value: number | string | boolean) => {
-		const updatedEffects = (element.effects ?? []).map((existing) =>
-			existing.id !== effect.id
-				? existing
-				: { ...existing, params: { ...existing.params, [key]: value } },
-		);
-		editor.timeline.previewElements({
-			updates: [
-				{
-					trackId,
-					elementId: element.id,
-					updates: { effects: updatedEffects },
-				},
-			],
-		});
-	};
-
-	const commitParam = () => editor.timeline.commitPreview();
-
-	const toggleEffect = () =>
-		editor.timeline.toggleClipEffect({
-			trackId,
-			elementId: element.id,
-			effectId: effect.id,
-		});
-
-	const removeEffect = () =>
-		editor.timeline.removeClipEffect({
-			trackId,
-			elementId: element.id,
-			effectId: effect.id,
-		});
-
-	return (
-		<Section sectionKey={`clip-effect:${effect.id}`} showTopBorder={false}>
-			<SectionHeader
-				className="cursor-move"
-				trailing={
-					<div className="flex items-center gap-1">
-						<Button
-							variant={effect.enabled ? "secondary" : "ghost"}
-							size="icon"
-							aria-label={`Toggle ${definition.name}`}
-							onClick={toggleEffect}
-						>
-							<HugeiconsIcon
-								icon={effect.enabled ? ViewIcon : ViewOffSlashIcon}
-							/>
-						</Button>
-						<Button
-							variant="ghost"
-							size="icon"
-							aria-label={`Remove ${definition.name}`}
-							onClick={removeEffect}
-						>
-							<HugeiconsIcon icon={Delete02Icon} />
-						</Button>
-					</div>
-				}
-			>
-				<SectionTitle
-					className={cn(!effect.enabled && "text-muted-foreground")}
-				>
-					{definition.name}
-				</SectionTitle>
-			</SectionHeader>
-			{effect.enabled && (
-				<SectionContent>
-					<SectionFields>
-						{definition.params.map((param) => (
-							<EffectParamField
-								key={param.key}
-								param={param}
-								value={effect.params[param.key] ?? param.default}
-								onPreview={previewParam({ key: param.key })}
-								onCommit={commitParam}
-							/>
-						))}
-					</SectionFields>
-				</SectionContent>
-			)}
-		</Section>
-	);
-}
diff --git a/legacy/components/properties/effect-param-field.tsx b/legacy/components/properties/effect-param-field.tsx
deleted file mode 100644
index 3aa87296..00000000
--- a/legacy/components/properties/effect-param-field.tsx
+++ /dev/null
@@ -1,152 +0,0 @@
-"use client";
-
-import type { EffectParamDefinition, NumberEffectParamDefinition } from "@/types/effects";
-import { clamp } from "@/utils/math";
-import { SectionField } from "./section";
-import { Slider } from "@/components/ui/slider";
-import { NumberField } from "@/components/ui/number-field";
-import { Switch } from "@/components/ui/switch";
-import {
-	Select,
-	SelectContent,
-	SelectItem,
-	SelectTrigger,
-	SelectValue,
-} from "@/components/ui/select";
-import { usePropertyDraft } from "./hooks/use-property-draft";
-
-export function EffectParamField({
-	param,
-	value,
-	onPreview,
-	onCommit,
-}: {
-	param: EffectParamDefinition;
-	value: number | string | boolean;
-	onPreview: (value: number | string | boolean) => void;
-	onCommit: () => void;
-}) {
-	return (
-		<SectionField label={param.label}>
-			<EffectParamInput param={param} value={value} onPreview={onPreview} onCommit={onCommit} />
-		</SectionField>
-	);
-}
-
-function EffectParamInput({
-	param,
-	value,
-	onPreview,
-	onCommit,
-}: {
-	param: EffectParamDefinition;
-	value: number | string | boolean;
-	onPreview: (value: number | string | boolean) => void;
-	onCommit: () => void;
-}) {
-	if (param.type === "number") {
-		return (
-			<NumberParamField
-				param={param}
-				value={typeof value === "number" ? value : Number(value)}
-				onPreview={onPreview}
-				onCommit={onCommit}
-			/>
-		);
-	}
-
-	if (param.type === "boolean") {
-		return (
-			<Switch
-				checked={Boolean(value)}
-				onCheckedChange={(checked) => {
-					onPreview(checked);
-					onCommit();
-				}}
-			/>
-		);
-	}
-
-	if (param.type === "select") {
-		return (
-			<Select
-				value={String(value)}
-				onValueChange={(selected) => {
-					onPreview(selected);
-					onCommit();
-				}}
-			>
-				<SelectTrigger className="w-full">
-					<SelectValue />
-				</SelectTrigger>
-				<SelectContent>
-					{param.options.map((option) => (
-						<SelectItem key={option.value} value={option.value}>
-							{option.label}
-						</SelectItem>
-					))}
-				</SelectContent>
-			</Select>
-		);
-	}
-
-	if (param.type === "color") {
-		return (
-			<input
-				type="color"
-				className="h-8 w-full cursor-pointer rounded border"
-				value={String(value)}
-				onChange={(event) => onPreview(event.target.value)}
-				onBlur={onCommit}
-			/>
-		);
-	}
-
-	return null;
-}
-
-function NumberParamField({
-	param,
-	value,
-	onPreview,
-	onCommit,
-}: {
-	param: NumberEffectParamDefinition;
-	value: number;
-	onPreview: (value: number) => void;
-	onCommit: () => void;
-}) {
-	const { min, max, step } = param;
-
-	const draft = usePropertyDraft({
-		displayValue: String(value),
-		parse: (input) => {
-			const parsed = parseFloat(input);
-			if (Number.isNaN(parsed)) return null;
-			return clamp({ value: parsed, min, max });
-		},
-		onPreview,
-		onCommit,
-	});
-
-	return (
-		<div className="flex items-center gap-3">
-			<Slider
-				className="flex-1"
-				min={min}
-				max={max}
-				step={step}
-				value={[value]}
-				onValueChange={([newValue]) => onPreview(newValue)}
-				onValueCommit={onCommit}
-			/>
-			<NumberField
-				className="w-16 shrink-0"
-				value={draft.displayValue}
-				onFocus={draft.onFocus}
-				onChange={draft.onChange}
-				onBlur={draft.onBlur}
-			/>
-		</div>
-	);
-}
diff --git a/legacy/components/properties/effect-properties.tsx b/legacy/components/properties/effect-properties.tsx
deleted file mode 100644
index 78582961..00000000
--- a/legacy/components/properties/effect-properties.tsx
+++ /dev/null
@@ -1,58 +0,0 @@
-"use client";
-
-import type { EffectElement } from "@/types/timeline";
-import { getEffect } from "@/lib/effects/registry";
-import { useEditor } from "@/hooks/use-editor";
-import {
-	Section,
-	SectionContent,
-	SectionHeader,
-	SectionFields,
-	SectionTitle,
-} from "./section";
-import { EffectParamField } from "./effect-param-field";
-
-export function EffectProperties({
-	element,
-	trackId,
-}: {
-	element: EffectElement;
-	trackId: string;
-}) {
-	const editor = useEditor();
-	const definition = getEffect({ effectType: element.effectType });
-
-	const previewParam =
-		({ key }: { key: string }) =>
-		(value: number | string | boolean) =>
-			editor.timeline.previewElements({
-				updates: [
-					{
-						trackId,
-						elementId: element.id,
-						updates: { params: { ...element.params, [key]: value } },
-					},
-				],
-			});
-
-	return (
-		<Section showTopBorder={false}>
-			<SectionHeader>
-				<SectionTitle>{definition.name}</SectionTitle>
-			</SectionHeader>
-			<SectionContent>
-				<SectionFields>
-					{definition.params.map((param) => (
-						<EffectParamField
-							key={param.key}
-							param={param}
-							value={element.params[param.key] ?? param.default}
-							onPreview={previewParam({ key: param.key })}
-							onCommit={() => editor.timeline.commitPreview()}
-						/>
-					))}
-				</SectionFields>
-			</SectionContent>
-		</Section>
-	);
-}
diff --git a/legacy/components/properties/keyframe-toggle.tsx b/legacy/components/properties/keyframe-toggle.tsx
deleted file mode 100644
index 00cea82b..00000000
--- a/legacy/components/properties/keyframe-toggle.tsx
+++ /dev/null
@@ -1,32 +0,0 @@
-import { Button } from "@/components/ui/button";
-import { HugeiconsIcon } from "@hugeicons/react";
-import { KeyframeIcon } from "@hugeicons/core-free-icons";
-import { cn } from "@/utils/ui";
-
-export function KeyframeToggle({
-	isActive,
-	isDisabled = false,
-	title,
-	onToggle,
-}: {
-	isActive: boolean;
-	isDisabled?: boolean;
-	title: string;
-	onToggle: () => void;
-}) {
-	return (
-		<Button
-			variant="text"
-			aria-pressed={isActive}
-			disabled={isDisabled}
-			title={title}
-			onClick={onToggle}
-			className="[&>svg]:size-3.5 mb-0.5"
-		>
-			<HugeiconsIcon
-				icon={KeyframeIcon}
-				className={cn(isActive && "text-primary fill-primary")}
-			/>
-		</Button>
-	);
-}
diff --git a/legacy/components/properties/section.tsx b/legacy/components/properties/section.tsx
deleted file mode 100644
index 07d1c0ca..00000000
--- a/legacy/components/properties/section.tsx
+++ /dev/null
@@ -1,262 +0,0 @@
-import { createContext, useContext, useEffect, useState } from "react";
-import { cn } from "@/utils/ui";
-import { HugeiconsIcon } from "@hugeicons/react";
-import { ArrowDownIcon } from "@hugeicons/core-free-icons";
-import { Label } from "@/components/ui/label";
-import { Button } from "@/components/ui/button";
-
-const sectionExpandedCache = new Map<string, boolean>();
-const mountedSectionKeys = new Set<string>();
-
-interface SectionContext {
-	isOpen: boolean;
-	toggle: () => void;
-	collapsible: boolean;
-}
-
-const SectionCtx = createContext<SectionContext | null>(null);
-
-function useSectionContext() {
-	return useContext(SectionCtx);
-}
-
-interface SectionProps {
-	children: React.ReactNode;
-	collapsible?: boolean;
-	defaultOpen?: boolean;
-	sectionKey?: string;
-	className?: string;
-	showTopBorder?: boolean;
-	showBottomBorder?: boolean;
-}
-
-export function Section({
-	children,
-	collapsible = false,
-	defaultOpen = true,
-	sectionKey,
-	className,
-	showTopBorder = true,
-	showBottomBorder = true,
-}: SectionProps) {
-	const cached = sectionKey ? sectionExpandedCache.get(sectionKey) : undefined;
-	const [isOpen, setIsOpen] = useState(cached ?? defaultOpen);
-
-	useEffect(() => {
-		if (!sectionKey) return;
-		if (process.env.NODE_ENV !== "production" && mountedSectionKeys.has(sectionKey)) {
-			console.error(`[Section] duplicate sectionKey mounted simultaneously: "${sectionKey}"`);
-		}
-		mountedSectionKeys.add(sectionKey);
-		return () => { mountedSectionKeys.delete(sectionKey); };
-	}, [sectionKey]);
-
-	const toggle = () => {
-		const next = !isOpen;
-		setIsOpen(next);
-		if (sectionKey) sectionExpandedCache.set(sectionKey, next);
-	};
-
-	return (
-		<SectionCtx.Provider value={{ isOpen, toggle, collapsible }}>
-			<div
-				className={cn(
-					"flex flex-col",
-				showTopBorder && "border-t",
-				showBottomBorder && "last:border-b",
-					className,
-				)}
-			>
-				{children}
-			</div>
-		</SectionCtx.Provider>
-	);
-}
-
-interface SectionHeaderProps {
-	children?: React.ReactNode;
-	trailing?: React.ReactNode;
-	leading?: React.ReactNode;
-	actions?: React.ReactNode;
-	onClick?: () => void;
-	className?: string;
-}
-
-export function SectionHeader({
-	children,
-	trailing,
-	leading,
-	actions,
-	onClick,
-	className,
-}: SectionHeaderProps) {
-	const ctx = useSectionContext();
-	const isCollapsible = ctx?.collapsible ?? false;
-	const isOpen = ctx?.isOpen ?? true;
-	const isInteractive = isCollapsible || !!onClick;
-	const handleClick = isCollapsible ? ctx?.toggle : onClick;
-
-	const chevronIcon = isCollapsible ? (
-		<HugeiconsIcon
-			icon={ArrowDownIcon}
-			className={cn(
-				"size-4 shrink-0 transition-transform duration-200 ease-out",
-				isOpen ? "rotate-0 text-foreground" : "-rotate-90 text-muted-foreground",
-			)}
-		/>
-	) : null;
-
-	const headerContent = (
-		<>
-			{leading}
-			<div className="min-w-0 flex-1">{children}</div>
-			{(trailing || chevronIcon) && (
-				<div className="flex items-center">
-					{trailing}
-					{chevronIcon && (
-						<Button
-							variant="ghost"
-							size="icon"
-							aria-label={isOpen ? "Collapse section" : "Expand section"}
-							onClick={(event) => {
-								event.stopPropagation();
-								handleClick?.();
-							}}
-						>
-							{chevronIcon}
-						</Button>
-					)}
-				</div>
-			)}
-			{actions}
-		</>
-	);
-
-	if (!isInteractive) {
-		return (
-			<div className={cn("flex h-11 w-full items-center gap-2 px-3.5", className)}>
-				{headerContent}
-			</div>
-		);
-	}
-
-	return (
-		// biome-ignore lint/a11y/useSemanticElements: outer div intentionally wraps a nested <Button> (chevron), making <button> invalid HTML here
-		<div
-			role="button"
-			tabIndex={0}
-			className={cn(
-				"flex h-11 w-full cursor-pointer items-center gap-2 px-3.5",
-				className,
-			)}
-			onClick={handleClick}
-			onKeyDown={(event) => { if (event.key === "Enter" || event.key === " ") handleClick?.(); }}
-		>
-			{headerContent}
-		</div>
-	);
-}
-
-export function SectionTitle({
-	children,
-	className,
-	onClick,
-}: {
-	children: React.ReactNode;
-	className?: string;
-	onClick?: () => void;
-}) {
-	const ctx = useSectionContext();
-	const isOpen = ctx?.isOpen ?? true;
-
-	if (onClick) {
-		return (
-			<button
-				type="button"
-				className={cn(
-					"cursor-pointer text-sm font-medium",
-					isOpen ? "text-foreground" : "text-muted-foreground",
-					className,
-				)}
-				onClick={onClick}
-			>
-				{children}
-			</button>
-		);
-	}
-
-	return (
-		<span
-			className={cn(
-				"text-sm font-medium",
-				isOpen ? "text-foreground" : "text-muted-foreground",
-				className,
-			)}
-		>
-			{children}
-		</span>
-	);
-}
-
-export function SectionFields({
-	children,
-	className,
-}: {
-	children: React.ReactNode;
-	className?: string;
-}) {
-	return (
-		<div className={cn("flex flex-col gap-3.5", className)}>{children}</div>
-	);
-}
-
-export function SectionField({
-	label,
-	beforeLabel,
-	children,
-	className,
-}: {
-	label: string;
-	beforeLabel?: React.ReactNode;
-	children: React.ReactNode;
-	className?: string;
-}) {
-	return (
-		<div className={cn("flex flex-col gap-2", className)}>
-			<div className="flex h-4 items-center gap-1.5">
-				{beforeLabel}
-				<Label>{label}</Label>
-			</div>
-			{children}
-		</div>
-	);
-}
-
-export function SectionContent({
-	children,
-	className,
-}: {
-	children: React.ReactNode;
-	className?: string;
-}) {
-	const ctx = useSectionContext();
-	const isCollapsible = ctx?.collapsible ?? false;
-	const isOpen = ctx?.isOpen ?? true;
-
-	if (isCollapsible) {
-		return (
-			<div
-				className={cn(
-					"grid transition-[grid-template-rows] duration-100 ease-out",
-					isOpen ? "grid-rows-[1fr]" : "grid-rows-[0fr]",
-				)}
-			>
-				<div className="overflow-hidden">
-					<div className={cn("p-4 pt-0", className)}>{children}</div>
-				</div>
-			</div>
-		);
-	}
-
-	return <div className={cn("p-4 pt-0", className)}>{children}</div>;
-}
diff --git a/legacy/components/properties/text-properties.tsx b/legacy/components/properties/text-properties.tsx
deleted file mode 100644
index 7af95450..00000000
--- a/legacy/components/properties/text-properties.tsx
+++ /dev/null
@@ -1,732 +0,0 @@
-import { Textarea } from "@/components/ui/textarea";
-import { FontPicker } from "@/components/ui/font-picker";
-import type { TextElement } from "@/types/timeline";
-import { NumberField } from "@/components/ui/number-field";
-import { useRef } from "react";
-import {
-	Section,
-	SectionContent,
-	SectionField,
-	SectionFields,
-	SectionHeader,
-	SectionTitle,
-} from "./section";
-import { ColorPicker } from "@/components/ui/color-picker";
-import { Button } from "@/components/ui/button";
-import { uppercase } from "@/utils/string";
-import { clamp } from "@/utils/math";
-import { useEditor } from "@/hooks/use-editor";
-import { DEFAULT_COLOR } from "@/constants/project-constants";
-import {
-	CORNER_RADIUS_MAX,
-	CORNER_RADIUS_MIN,
-	DEFAULT_LETTER_SPACING,
-	DEFAULT_LINE_HEIGHT,
-	DEFAULT_TEXT_BACKGROUND,
-	DEFAULT_TEXT_ELEMENT,
-	MAX_FONT_SIZE,
-	MIN_FONT_SIZE,
-} from "@/constants/text-constants";
-import { usePropertyDraft } from "./hooks/use-property-draft";
-import { useKeyframedColorProperty } from "./hooks/use-keyframed-color-property";
-import { useKeyframedNumberProperty } from "./hooks/use-keyframed-number-property";
-import { useElementPlayhead } from "./hooks/use-element-playhead";
-import { TransformSection, BlendingSection } from "./sections";
-import { KeyframeToggle } from "./keyframe-toggle";
-import { isPropertyAtDefault } from "./sections/transform";
-import { resolveColorAtTime, resolveNumberAtTime } from "@/lib/animation";
-import { HugeiconsIcon } from "@hugeicons/react";
-import {
-	TextFontIcon,
-	ViewIcon,
-	ViewOffSlashIcon,
-} from "@hugeicons/core-free-icons";
-import { OcTextHeightIcon, OcTextWidthIcon } from "@opencut/ui/icons";
-import { cn } from "@/utils/ui";
-
-export function TextProperties({
-	element,
-	trackId,
-}: {
-	element: TextElement;
-	trackId: string;
-}) {
-	return (
-		<div className="flex h-full flex-col">
-			<ContentSection element={element} trackId={trackId} />
-			<TransformSection element={element} trackId={trackId} />
-			<BlendingSection element={element} trackId={trackId} />
-			<TypographySection element={element} trackId={trackId} />
-			<SpacingSection element={element} trackId={trackId} />
-			<BackgroundSection element={element} trackId={trackId} />
-		</div>
-	);
-}
-
-function ContentSection({
-	element,
-	trackId,
-}: {
-	element: TextElement;
-	trackId: string;
-}) {
-	const editor = useEditor();
-
-	const content = usePropertyDraft({
-		displayValue: element.content,
-		parse: (input) => input,
-		onPreview: (value) =>
-			editor.timeline.previewElements({
-				updates: [
-					{ trackId, elementId: element.id, updates: { content: value } },
-				],
-			}),
-		onCommit: () => editor.timeline.commitPreview(),
-	});
-
-	return (
-		<Section collapsible sectionKey="text:content" showTopBorder={false}>
-			<SectionHeader>
-				<SectionTitle>Content</SectionTitle>
-			</SectionHeader>
-			<SectionContent>
-				<Textarea
-					placeholder="Name"
-					value={content.displayValue}
-					className="min-h-20"
-					onFocus={content.onFocus}
-					onChange={content.onChange}
-					onBlur={content.onBlur}
-				/>
-			</SectionContent>
-		</Section>
-	);
-}
-
-function TypographySection({
-	element,
-	trackId,
-}: {
-	element: TextElement;
-	trackId: string;
-}) {
-	const editor = useEditor();
-	const { localTime, isPlayheadWithinElementRange } = useElementPlayhead({
-		startTime: element.startTime,
-		duration: element.duration,
-	});
-	const resolvedTextColor = resolveColorAtTime({
-		baseColor: element.color,
-		animations: element.animations,
-		propertyPath: "color",
-		localTime,
-	});
-
-	const textColor = useKeyframedColorProperty({
-		trackId,
-		elementId: element.id,
-		animations: element.animations,
-		propertyPath: "color",
-		localTime,
-		isPlayheadWithinElementRange,
-		resolvedColor: resolvedTextColor,
-		buildBaseUpdates: ({ value }) => ({ color: value }),
-	});
-
-	const fontSize = usePropertyDraft({
-		displayValue: element.fontSize.toString(),
-		parse: (input) => {
-			const parsed = parseFloat(input);
-			if (Number.isNaN(parsed)) return null;
-			return clamp({ value: parsed, min: MIN_FONT_SIZE, max: MAX_FONT_SIZE });
-		},
-		onPreview: (value) =>
-			editor.timeline.previewElements({
-				updates: [
-					{ trackId, elementId: element.id, updates: { fontSize: value } },
-				],
-			}),
-		onCommit: () => editor.timeline.commitPreview(),
-	});
-
-	return (
-		<Section collapsible sectionKey="text:typography">
-			<SectionHeader>
-				<SectionTitle>Typography</SectionTitle>
-			</SectionHeader>
-			<SectionContent>
-				<SectionFields>
-					<SectionField label="Font">
-						<FontPicker
-							defaultValue={element.fontFamily}
-							onValueChange={(value) =>
-								editor.timeline.updateElements({
-									updates: [
-										{
-											trackId,
-											elementId: element.id,
-											updates: { fontFamily: value },
-										},
-									],
-								})
-							}
-						/>
-					</SectionField>
-					<SectionField label="Size">
-						<NumberField
-							value={fontSize.displayValue}
-							min={MIN_FONT_SIZE}
-							max={MAX_FONT_SIZE}
-							onFocus={fontSize.onFocus}
-							onChange={fontSize.onChange}
-							onBlur={fontSize.onBlur}
-							onScrub={fontSize.scrubTo}
-							onScrubEnd={fontSize.commitScrub}
-							onReset={() =>
-								editor.timeline.updateElements({
-									updates: [
-										{
-											trackId,
-											elementId: element.id,
-											updates: { fontSize: DEFAULT_TEXT_ELEMENT.fontSize },
-										},
-									],
-								})
-							}
-							isDefault={element.fontSize === DEFAULT_TEXT_ELEMENT.fontSize}
-							icon={<HugeiconsIcon icon={TextFontIcon} />}
-						/>
-					</SectionField>
-					<SectionField
-						label="Color"
-						beforeLabel={
-							<KeyframeToggle
-								isActive={textColor.isKeyframedAtTime}
-								isDisabled={!isPlayheadWithinElementRange}
-								title="Toggle text color keyframe"
-								onToggle={textColor.toggleKeyframe}
-							/>
-						}
-					>
-						<ColorPicker
-							value={uppercase({
-								string: resolvedTextColor.replace("#", ""),
-							})}
-							onChange={(color) => textColor.onChange({ color: `#${color}` })}
-							onChangeEnd={textColor.onChangeEnd}
-						/>
-					</SectionField>
-				</SectionFields>
-			</SectionContent>
-		</Section>
-	);
-}
-
-function SpacingSection({
-	element,
-	trackId,
-}: {
-	element: TextElement;
-	trackId: string;
-}) {
-	const editor = useEditor();
-
-	const letterSpacing = usePropertyDraft({
-		displayValue: Math.round(
-			element.letterSpacing ?? DEFAULT_LETTER_SPACING,
-		).toString(),
-		parse: (input) => {
-			const parsed = parseFloat(input);
-			return Number.isNaN(parsed) ? null : Math.round(parsed);
-		},
-		onPreview: (value) =>
-			editor.timeline.previewElements({
-				updates: [
-					{ trackId, elementId: element.id, updates: { letterSpacing: value } },
-				],
-			}),
-		onCommit: () => editor.timeline.commitPreview(),
-	});
-
-	const lineHeight = usePropertyDraft({
-		displayValue: (element.lineHeight ?? DEFAULT_LINE_HEIGHT).toFixed(1),
-		parse: (input) => {
-			const parsed = parseFloat(input);
-			return Number.isNaN(parsed)
-				? null
-				: Math.max(0.1, Math.round(parsed * 10) / 10);
-		},
-		onPreview: (value) =>
-			editor.timeline.previewElements({
-				updates: [
-					{ trackId, elementId: element.id, updates: { lineHeight: value } },
-				],
-			}),
-		onCommit: () => editor.timeline.commitPreview(),
-	});
-
-	return (
-		<Section collapsible sectionKey="text:spacing" showBottomBorder={false}>
-			<SectionHeader>
-				<SectionTitle>Spacing</SectionTitle>
-			</SectionHeader>
-			<SectionContent>
-				<div className="flex items-start gap-2">
-					<SectionField label="Letter spacing" className="w-1/2">
-						<NumberField
-							value={letterSpacing.displayValue}
-							onFocus={letterSpacing.onFocus}
-							onChange={letterSpacing.onChange}
-							onBlur={letterSpacing.onBlur}
-							onScrub={letterSpacing.scrubTo}
-							onScrubEnd={letterSpacing.commitScrub}
-							onReset={() =>
-								editor.timeline.updateElements({
-									updates: [
-										{
-											trackId,
-											elementId: element.id,
-											updates: { letterSpacing: DEFAULT_LETTER_SPACING },
-										},
-									],
-								})
-							}
-							isDefault={
-								(element.letterSpacing ?? DEFAULT_LETTER_SPACING) ===
-								DEFAULT_LETTER_SPACING
-							}
-							icon={<OcTextWidthIcon size={14} />}
-						/>
-					</SectionField>
-					<SectionField label="Line height" className="w-1/2">
-						<NumberField
-							value={lineHeight.displayValue}
-							onFocus={lineHeight.onFocus}
-							onChange={lineHeight.onChange}
-							onBlur={lineHeight.onBlur}
-							onScrub={lineHeight.scrubTo}
-							onScrubEnd={lineHeight.commitScrub}
-							onReset={() =>
-								editor.timeline.updateElements({
-									updates: [
-										{
-											trackId,
-											elementId: element.id,
-											updates: { lineHeight: DEFAULT_LINE_HEIGHT },
-										},
-									],
-								})
-							}
-							isDefault={
-								(element.lineHeight ?? DEFAULT_LINE_HEIGHT) ===
-								DEFAULT_LINE_HEIGHT
-							}
-							icon={<OcTextHeightIcon size={14} />}
-						/>
-					</SectionField>
-				</div>
-			</SectionContent>
-		</Section>
-	);
-}
-
-function BackgroundSection({
-	element,
-	trackId,
-}: {
-	element: TextElement;
-	trackId: string;
-}) {
-	const editor = useEditor();
-	const lastSelectedColor = useRef(DEFAULT_COLOR);
-	const { localTime, isPlayheadWithinElementRange } = useElementPlayhead({
-		startTime: element.startTime,
-		duration: element.duration,
-	});
-	const resolvedBgColor = resolveColorAtTime({
-		baseColor: element.background.color,
-		animations: element.animations,
-		propertyPath: "background.color",
-		localTime,
-	});
-
-	const bgColor = useKeyframedColorProperty({
-		trackId,
-		elementId: element.id,
-		animations: element.animations,
-		propertyPath: "background.color",
-		localTime,
-		isPlayheadWithinElementRange,
-		resolvedColor: resolvedBgColor,
-		buildBaseUpdates: ({ value }) => ({
-			background: { ...element.background, color: value },
-		}),
-	});
-
-	const bg = element.background;
-
-	const resolvedPaddingX = resolveNumberAtTime({
-		baseValue: bg.paddingX ?? DEFAULT_TEXT_BACKGROUND.paddingX,
-		animations: element.animations,
-		propertyPath: "background.paddingX",
-		localTime,
-	});
-	const resolvedPaddingY = resolveNumberAtTime({
-		baseValue: bg.paddingY ?? DEFAULT_TEXT_BACKGROUND.paddingY,
-		animations: element.animations,
-		propertyPath: "background.paddingY",
-		localTime,
-	});
-	const resolvedOffsetX = resolveNumberAtTime({
-		baseValue: bg.offsetX ?? DEFAULT_TEXT_BACKGROUND.offsetX,
-		animations: element.animations,
-		propertyPath: "background.offsetX",
-		localTime,
-	});
-	const resolvedOffsetY = resolveNumberAtTime({
-		baseValue: bg.offsetY ?? DEFAULT_TEXT_BACKGROUND.offsetY,
-		animations: element.animations,
-		propertyPath: "background.offsetY",
-		localTime,
-	});
-	const resolvedCornerRadius = resolveNumberAtTime({
-		baseValue: bg.cornerRadius ?? CORNER_RADIUS_MIN,
-		animations: element.animations,
-		propertyPath: "background.cornerRadius",
-		localTime,
-	});
-
-	const paddingX = useKeyframedNumberProperty({
-		trackId,
-		elementId: element.id,
-		animations: element.animations,
-		propertyPath: "background.paddingX",
-		localTime,
-		isPlayheadWithinElementRange,
-		displayValue: Math.round(resolvedPaddingX).toString(),
-		parse: (input) => {
-			const parsed = parseFloat(input);
-			return Number.isNaN(parsed) ? null : Math.max(0, Math.round(parsed));
-		},
-		valueAtPlayhead: resolvedPaddingX,
-		buildBaseUpdates: ({ value }) => ({
-			background: { ...bg, paddingX: value },
-		}),
-	});
-
-	const paddingY = useKeyframedNumberProperty({
-		trackId,
-		elementId: element.id,
-		animations: element.animations,
-		propertyPath: "background.paddingY",
-		localTime,
-		isPlayheadWithinElementRange,
-		displayValue: Math.round(resolvedPaddingY).toString(),
-		parse: (input) => {
-			const parsed = parseFloat(input);
-			return Number.isNaN(parsed) ? null : Math.max(0, Math.round(parsed));
-		},
-		valueAtPlayhead: resolvedPaddingY,
-		buildBaseUpdates: ({ value }) => ({
-			background: { ...bg, paddingY: value },
-		}),
-	});
-
-	const offsetX = useKeyframedNumberProperty({
-		trackId,
-		elementId: element.id,
-		animations: element.animations,
-		propertyPath: "background.offsetX",
-		localTime,
-		isPlayheadWithinElementRange,
-		displayValue: Math.round(resolvedOffsetX).toString(),
-		parse: (input) => {
-			const parsed = parseFloat(input);
-			return Number.isNaN(parsed) ? null : Math.round(parsed);
-		},
-		valueAtPlayhead: resolvedOffsetX,
-		buildBaseUpdates: ({ value }) => ({
-			background: { ...bg, offsetX: value },
-		}),
-	});
-
-	const offsetY = useKeyframedNumberProperty({
-		trackId,
-		elementId: element.id,
-		animations: element.animations,
-		propertyPath: "background.offsetY",
-		localTime,
-		isPlayheadWithinElementRange,
-		displayValue: Math.round(resolvedOffsetY).toString(),
-		parse: (input) => {
-			const parsed = parseFloat(input);
-			return Number.isNaN(parsed) ? null : Math.round(parsed);
-		},
-		valueAtPlayhead: resolvedOffsetY,
-		buildBaseUpdates: ({ value }) => ({
-			background: { ...bg, offsetY: value },
-		}),
-	});
-
-	const cornerRadius = useKeyframedNumberProperty({
-		trackId,
-		elementId: element.id,
-		animations: element.animations,
-		propertyPath: "background.cornerRadius",
-		localTime,
-		isPlayheadWithinElementRange,
-		displayValue: Math.round(resolvedCornerRadius).toString(),
-		parse: (input) => {
-			const parsed = parseFloat(input);
-			if (Number.isNaN(parsed)) return null;
-			return clamp({ value: Math.round(parsed), min: CORNER_RADIUS_MIN, max: CORNER_RADIUS_MAX });
-		},
-		valueAtPlayhead: resolvedCornerRadius,
-		buildBaseUpdates: ({ value }) => ({
-			background: { ...bg, cornerRadius: value },
-		}),
-	});
-
-	const toggleBackgroundEnabled = () => {
-		const enabled = !element.background.enabled;
-		const color =
-			enabled && element.background.color === "transparent"
-				? lastSelectedColor.current
-				: element.background.color;
-		editor.timeline.updateElements({
-			updates: [
-				{
-					trackId,
-					elementId: element.id,
-					updates: {
-						background: {
-							...element.background,
-							enabled,
-							color,
-						},
-					},
-				},
-			],
-		});
-	};
-
-	return (
-		<Section
-			collapsible
-			defaultOpen={element.background.enabled}
-			sectionKey="text:background"
-		>
-			<SectionHeader
-				trailing={
-					<Button
-						variant="ghost"
-						size="icon"
-						onClick={(event) => {
-							event.stopPropagation();
-							toggleBackgroundEnabled();
-						}}
-					>
-						<HugeiconsIcon
-							icon={element.background.enabled ? ViewIcon : ViewOffSlashIcon}
-						/>
-					</Button>
-				}
-			>
-				<SectionTitle>Background</SectionTitle>
-			</SectionHeader>
-			<SectionContent
-				className={cn(
-					!element.background.enabled && "pointer-events-none opacity-50",
-				)}
-			>
-				<SectionFields>
-					<SectionField
-						label="Color"
-						beforeLabel={
-							<KeyframeToggle
-								isActive={bgColor.isKeyframedAtTime}
-								isDisabled={!isPlayheadWithinElementRange}
-								title="Toggle background color keyframe"
-								onToggle={bgColor.toggleKeyframe}
-							/>
-						}
-					>
-						<ColorPicker
-							value={
-								!element.background.enabled ||
-								element.background.color === "transparent"
-									? lastSelectedColor.current.replace("#", "")
-									: resolvedBgColor.replace("#", "")
-							}
-							onChange={(color) => {
-								const hexColor = `#${color}`;
-								if (color !== "transparent") {
-									lastSelectedColor.current = hexColor;
-								}
-								bgColor.onChange({ color: hexColor });
-							}}
-							onChangeEnd={bgColor.onChangeEnd}
-						/>
-					</SectionField>
-					<div className="flex items-start gap-2">
-						<SectionField
-							label="Width"
-							className="w-1/2"
-							beforeLabel={
-								<KeyframeToggle
-									isActive={paddingX.isKeyframedAtTime}
-									isDisabled={!isPlayheadWithinElementRange}
-									title="Toggle background width keyframe"
-									onToggle={paddingX.toggleKeyframe}
-								/>
-							}
-						>
-							<NumberField
-								icon="W"
-								value={paddingX.displayValue}
-								min={0}
-								onFocus={paddingX.onFocus}
-								onChange={paddingX.onChange}
-								onBlur={paddingX.onBlur}
-								onScrub={paddingX.scrubTo}
-								onScrubEnd={paddingX.commitScrub}
-								onReset={() => paddingX.commitValue({ value: DEFAULT_TEXT_BACKGROUND.paddingX })}
-								isDefault={isPropertyAtDefault({
-									hasAnimatedKeyframes: paddingX.hasAnimatedKeyframes,
-									isPlayheadWithinElementRange,
-									resolvedValue: resolvedPaddingX,
-									staticValue: bg.paddingX ?? DEFAULT_TEXT_BACKGROUND.paddingX,
-									defaultValue: DEFAULT_TEXT_BACKGROUND.paddingX,
-								})}
-							/>
-						</SectionField>
-						<SectionField
-							label="Height"
-							className="w-1/2"
-							beforeLabel={
-								<KeyframeToggle
-									isActive={paddingY.isKeyframedAtTime}
-									isDisabled={!isPlayheadWithinElementRange}
-									title="Toggle background height keyframe"
-									onToggle={paddingY.toggleKeyframe}
-								/>
-							}
-						>
-							<NumberField
-								icon="H"
-								value={paddingY.displayValue}
-								min={0}
-								onFocus={paddingY.onFocus}
-								onChange={paddingY.onChange}
-								onBlur={paddingY.onBlur}
-								onScrub={paddingY.scrubTo}
-								onScrubEnd={paddingY.commitScrub}
-								onReset={() => paddingY.commitValue({ value: DEFAULT_TEXT_BACKGROUND.paddingY })}
-								isDefault={isPropertyAtDefault({
-									hasAnimatedKeyframes: paddingY.hasAnimatedKeyframes,
-									isPlayheadWithinElementRange,
-									resolvedValue: resolvedPaddingY,
-									staticValue: bg.paddingY ?? DEFAULT_TEXT_BACKGROUND.paddingY,
-									defaultValue: DEFAULT_TEXT_BACKGROUND.paddingY,
-								})}
-							/>
-						</SectionField>
-					</div>
-					<div className="flex items-start gap-2">
-						<SectionField
-							label="X-offset"
-							className="w-1/2"
-							beforeLabel={
-								<KeyframeToggle
-									isActive={offsetX.isKeyframedAtTime}
-									isDisabled={!isPlayheadWithinElementRange}
-									title="Toggle x-offset keyframe"
-									onToggle={offsetX.toggleKeyframe}
-								/>
-							}
-						>
-							<NumberField
-								icon="X"
-								value={offsetX.displayValue}
-								onFocus={offsetX.onFocus}
-								onChange={offsetX.onChange}
-								onBlur={offsetX.onBlur}
-								onScrub={offsetX.scrubTo}
-								onScrubEnd={offsetX.commitScrub}
-								onReset={() => offsetX.commitValue({ value: DEFAULT_TEXT_BACKGROUND.offsetX })}
-								isDefault={isPropertyAtDefault({
-									hasAnimatedKeyframes: offsetX.hasAnimatedKeyframes,
-									isPlayheadWithinElementRange,
-									resolvedValue: resolvedOffsetX,
-									staticValue: bg.offsetX ?? DEFAULT_TEXT_BACKGROUND.offsetX,
-									defaultValue: DEFAULT_TEXT_BACKGROUND.offsetX,
-								})}
-							/>
-						</SectionField>
-						<SectionField
-							label="Y-offset"
-							className="w-1/2"
-							beforeLabel={
-								<KeyframeToggle
-									isActive={offsetY.isKeyframedAtTime}
-									isDisabled={!isPlayheadWithinElementRange}
-									title="Toggle y-offset keyframe"
-									onToggle={offsetY.toggleKeyframe}
-								/>
-							}
-						>
-							<NumberField
-								icon="Y"
-								value={offsetY.displayValue}
-								onFocus={offsetY.onFocus}
-								onChange={offsetY.onChange}
-								onBlur={offsetY.onBlur}
-								onScrub={offsetY.scrubTo}
-								onScrubEnd={offsetY.commitScrub}
-								onReset={() => offsetY.commitValue({ value: DEFAULT_TEXT_BACKGROUND.offsetY })}
-								isDefault={isPropertyAtDefault({
-									hasAnimatedKeyframes: offsetY.hasAnimatedKeyframes,
-									isPlayheadWithinElementRange,
-									resolvedValue: resolvedOffsetY,
-									staticValue: bg.offsetY ?? DEFAULT_TEXT_BACKGROUND.offsetY,
-									defaultValue: DEFAULT_TEXT_BACKGROUND.offsetY,
-								})}
-							/>
-						</SectionField>
-					</div>
-					<SectionField
-						label="Corner radius"
-						beforeLabel={
-							<KeyframeToggle
-								isActive={cornerRadius.isKeyframedAtTime}
-								isDisabled={!isPlayheadWithinElementRange}
-								title="Toggle corner radius keyframe"
-								onToggle={cornerRadius.toggleKeyframe}
-							/>
-						}
-					>
-						<NumberField
-							icon="R"
-							value={cornerRadius.displayValue}
-							min={CORNER_RADIUS_MIN}
-							max={CORNER_RADIUS_MAX}
-							onFocus={cornerRadius.onFocus}
-							onChange={cornerRadius.onChange}
-							onBlur={cornerRadius.onBlur}
-							onScrub={cornerRadius.scrubTo}
-							onScrubEnd={cornerRadius.commitScrub}
-							onReset={() => cornerRadius.commitValue({ value: CORNER_RADIUS_MIN })}
-							isDefault={isPropertyAtDefault({
-								hasAnimatedKeyframes: cornerRadius.hasAnimatedKeyframes,
-								isPlayheadWithinElementRange,
-								resolvedValue: resolvedCornerRadius,
-								staticValue: bg.cornerRadius ?? CORNER_RADIUS_MIN,
-								defaultValue: CORNER_RADIUS_MIN,
-							})}
-						/>
-					</SectionField>
-				</SectionFields>
-			</SectionContent>
-		</Section>
-	);
-}
diff --git a/legacy/components/properties/video-properties.tsx b/legacy/components/properties/video-properties.tsx
deleted file mode 100644
index b12203d1..00000000
--- a/legacy/components/properties/video-properties.tsx
+++ /dev/null
@@ -1,25 +0,0 @@
-import type {
-	ImageElement,
-	StickerElement,
-	VideoElement,
-} from "@/types/timeline";
-import { BlendingSection, TransformSection } from "./sections";
-
-export function VideoProperties({
-	element,
-	trackId,
-}: {
-	element: VideoElement | ImageElement | StickerElement;
-	trackId: string;
-}) {
-	return (
-		<div className="flex h-full flex-col">
-			<TransformSection
-				element={element}
-				trackId={trackId}
-				showTopBorder={false}
-			/>
-			<BlendingSection element={element} trackId={trackId} />
-		</div>
-	);
-}
diff --git a/legacy/sections/blending.tsx b/legacy/sections/blending.tsx
deleted file mode 100644
index a8297b86..00000000
--- a/legacy/sections/blending.tsx
+++ /dev/null
@@ -1,222 +0,0 @@
-import { useEditor } from "@/hooks/use-editor";
-import { clamp } from "@/utils/math";
-import { NumberField } from "@/components/ui/number-field";
-import {
-	DEFAULT_BLEND_MODE,
-	DEFAULT_OPACITY,
-} from "@/constants/timeline-constants";
-import { OcCheckerboardIcon } from "@opencut/ui/icons";
-import { Fragment, useRef } from "react";
-import { Section, SectionContent, SectionField, SectionHeader, SectionTitle } from "../section";
-import {
-	Select,
-	SelectContent,
-	SelectItem,
-	SelectSeparator,
-	SelectTrigger,
-	SelectValue,
-} from "@/components/ui/select";
-import type { BlendMode } from "@/types/rendering";
-import type { ElementType } from "@/types/timeline";
-import type { ElementAnimations } from "@/types/animation";
-import { HugeiconsIcon } from "@hugeicons/react";
-import { RainDropIcon } from "@hugeicons/core-free-icons";
-import { KeyframeToggle } from "../keyframe-toggle";
-import { useKeyframedNumberProperty } from "../hooks/use-keyframed-number-property";
-import { useElementPlayhead } from "../hooks/use-element-playhead";
-import { resolveOpacityAtTime } from "@/lib/animation";
-import { isPropertyAtDefault } from "./transform";
-
-type BlendingElement = {
-	id: string;
-	opacity: number;
-	type: ElementType;
-	blendMode?: BlendMode;
-	startTime: number;
-	duration: number;
-	animations?: ElementAnimations;
-};
-
-const BLEND_MODE_GROUPS = [
-	[{ value: "normal", label: "Normal" }],
-	[
-		{ value: "darken", label: "Darken" },
-		{ value: "multiply", label: "Multiply" },
-		{ value: "color-burn", label: "Color Burn" },
-	],
-	[
-		{ value: "lighten", label: "Lighten" },
-		{ value: "screen", label: "Screen" },
-		{ value: "plus-lighter", label: "Plus Lighter" },
-		{ value: "color-dodge", label: "Color Dodge" },
-	],
-	[
-		{ value: "overlay", label: "Overlay" },
-		{ value: "soft-light", label: "Soft Light" },
-		{ value: "hard-light", label: "Hard Light" },
-	],
-	[
-		{ value: "difference", label: "Difference" },
-		{ value: "exclusion", label: "Exclusion" },
-	],
-	[
-		{ value: "hue", label: "Hue" },
-		{ value: "saturation", label: "Saturation" },
-		{ value: "color", label: "Color" },
-		{ value: "luminosity", label: "Luminosity" },
-	],
-];
-
-export function BlendingSection({
-	element,
-	trackId,
-}: {
-	element: BlendingElement;
-	trackId: string;
-}) {
-	const editor = useEditor();
-	const blendMode = element.blendMode ?? DEFAULT_BLEND_MODE;
-	const didSelectRef = useRef(false);
-	const committedBlendModeRef = useRef(blendMode);
-	if (!editor.timeline.isPreviewActive()) {
-		committedBlendModeRef.current = blendMode;
-	}
-
-	const previewBlendMode = ({ value }: { value: BlendMode }) =>
-		editor.timeline.previewElements({
-			updates: [
-				{ trackId, elementId: element.id, updates: { blendMode: value } },
-			],
-		});
-
-	const commitBlendMode = (value: string) => {
-		if (editor.timeline.isPreviewActive()) {
-			editor.timeline.commitPreview();
-		} else {
-			editor.timeline.updateElements({
-				updates: [
-					{
-						trackId,
-						elementId: element.id,
-						updates: { blendMode: value as BlendMode },
-					},
-				],
-			});
-		}
-		didSelectRef.current = true;
-	};
-
-	const handleBlendModeOpenChange = (isOpen: boolean) => {
-		if (!isOpen) {
-			if (!didSelectRef.current) editor.timeline.discardPreview();
-			didSelectRef.current = false;
-		}
-	};
-
-	const { localTime, isPlayheadWithinElementRange } = useElementPlayhead({
-		startTime: element.startTime,
-		duration: element.duration,
-	});
-	const resolvedOpacity = resolveOpacityAtTime({
-		baseOpacity: element.opacity,
-		animations: element.animations,
-		localTime,
-	});
-
-	const opacity = useKeyframedNumberProperty({
-		trackId,
-		elementId: element.id,
-		animations: element.animations,
-		propertyPath: "opacity",
-		localTime,
-		isPlayheadWithinElementRange,
-		displayValue: Math.round(resolvedOpacity * 100).toString(),
-		parse: (input) => {
-			const parsed = parseFloat(input);
-			if (Number.isNaN(parsed)) return null;
-			return clamp({ value: parsed, min: 0, max: 100 }) / 100;
-		},
-		valueAtPlayhead: resolvedOpacity,
-		buildBaseUpdates: ({ value }) => ({ opacity: value }),
-	});
-
-	return (
-		<Section collapsible sectionKey={`${element.type}:blending`}>
-			<SectionHeader><SectionTitle>Blending</SectionTitle></SectionHeader>
-		<SectionContent>
-			<div className="flex items-start gap-2">
-				<SectionField
-					label="Opacity"
-					className="w-1/2"
-					beforeLabel={
-						<KeyframeToggle
-							isActive={opacity.isKeyframedAtTime}
-							isDisabled={!isPlayheadWithinElementRange}
-							title="Toggle opacity keyframe"
-							onToggle={opacity.toggleKeyframe}
-						/>
-					}
-				>
-					<NumberField
-						className="w-full"
-						icon={
-							<OcCheckerboardIcon className="size-3.5 text-muted-foreground" />
-						}
-						value={opacity.displayValue}
-						min={0}
-						max={100}
-						onFocus={opacity.onFocus}
-						onChange={opacity.onChange}
-						onBlur={opacity.onBlur}
-						onScrub={opacity.scrubTo}
-						onScrubEnd={opacity.commitScrub}
-						onReset={() => opacity.commitValue({ value: DEFAULT_OPACITY })}
-						isDefault={isPropertyAtDefault({
-							hasAnimatedKeyframes: opacity.hasAnimatedKeyframes,
-							isPlayheadWithinElementRange,
-							resolvedValue: resolvedOpacity,
-							staticValue: element.opacity,
-							defaultValue: DEFAULT_OPACITY,
-						})}
-						dragSensitivity="slow"
-					/>
-				</SectionField>
-				<SectionField label="Blend mode" className="w-1/2">
-					<Select
-						value={committedBlendModeRef.current}
-						onOpenChange={handleBlendModeOpenChange}
-						onValueChange={commitBlendMode}
-					>
-						<SelectTrigger
-							icon={<HugeiconsIcon icon={RainDropIcon} />}
-							className="w-full"
-						>
-							<SelectValue placeholder="Select blend mode" />
-						</SelectTrigger>
-						<SelectContent className="w-36">
-							{BLEND_MODE_GROUPS.map((group, groupIndex) => (
-								<Fragment key={group[0]?.value ?? `group-${groupIndex}`}>
-									{group.map((option) => (
-										<SelectItem
-											key={option.value}
-											value={option.value}
-											onPointerEnter={() =>
-												previewBlendMode({ value: option.value as BlendMode })
-											}
-										>
-											{option.label}
-										</SelectItem>
-									))}
-									{groupIndex < BLEND_MODE_GROUPS.length - 1 ? (
-										<SelectSeparator />
-									) : null}
-								</Fragment>
-							))}
-						</SelectContent>
-					</Select>
-				</SectionField>
-			</div>
-		</SectionContent>
-		</Section>
-	);
-}
diff --git a/legacy/sections/index.tsx b/legacy/sections/index.tsx
deleted file mode 100644
index d1c87a9a..00000000
--- a/legacy/sections/index.tsx
+++ /dev/null
@@ -1,2 +0,0 @@
-export * from "./transform";
-export * from "./blending";
diff --git a/legacy/sections/transform.tsx b/legacy/sections/transform.tsx
deleted file mode 100644
index f9d68065..00000000
--- a/legacy/sections/transform.tsx
+++ /dev/null
@@ -1,382 +0,0 @@
-import { NumberField } from "@/components/ui/number-field";
-import { useEditor } from "@/hooks/use-editor";
-import { clamp, isNearlyEqual } from "@/utils/math";
-import type { AnimationPropertyPath } from "@/types/animation";
-import type { VisualElement } from "@/types/timeline";
-import {
-	Section,
-	SectionContent,
-	SectionField,
-	SectionFields,
-	SectionHeader,
-	SectionTitle,
-} from "../section";
-import { Button } from "@/components/ui/button";
-import { HugeiconsIcon } from "@hugeicons/react";
-import {
-	ArrowExpandIcon,
-	Link05Icon,
-	RotateClockwiseIcon,
-} from "@hugeicons/core-free-icons";
-import { useState } from "react";
-import { DEFAULT_TRANSFORM } from "@/constants/timeline-constants";
-import { TIME_EPSILON_SECONDS } from "@/constants/animation-constants";
-import { getElementLocalTime, resolveTransformAtTime } from "@/lib/animation";
-import { KeyframeToggle } from "../keyframe-toggle";
-import { useKeyframedNumberProperty } from "../hooks/use-keyframed-number-property";
-
-export function parseNumericInput({ input }: { input: string }): number | null {
-	const parsed = parseFloat(input);
-	return Number.isNaN(parsed) ? null : parsed;
-}
-
-export function isPropertyAtDefault({
-	hasAnimatedKeyframes,
-	isPlayheadWithinElementRange,
-	resolvedValue,
-	staticValue,
-	defaultValue,
-}: {
-	hasAnimatedKeyframes: boolean;
-	isPlayheadWithinElementRange: boolean;
-	resolvedValue: number;
-	staticValue: number;
-	defaultValue: number;
-}): boolean {
-	if (hasAnimatedKeyframes && isPlayheadWithinElementRange) {
-		return isNearlyEqual({
-			leftValue: resolvedValue,
-			rightValue: defaultValue,
-		});
-	}
-
-	return staticValue === defaultValue;
-}
-
-export function TransformSection({
-	element,
-	trackId,
-	showTopBorder = true,
-}: {
-	element: VisualElement;
-	trackId: string;
-	showTopBorder?: boolean;
-}) {
-	const editor = useEditor();
-	const [isScaleLocked, setIsScaleLocked] = useState(false);
-	const playheadTime = editor.playback.getCurrentTime();
-	const localTime = getElementLocalTime({
-		timelineTime: playheadTime,
-		elementStartTime: element.startTime,
-		elementDuration: element.duration,
-	});
-	const resolvedTransform = resolveTransformAtTime({
-		baseTransform: element.transform,
-		animations: element.animations,
-		localTime,
-	});
-	const isPlayheadWithinElementRange =
-		playheadTime >= element.startTime - TIME_EPSILON_SECONDS &&
-		playheadTime <= element.startTime + element.duration + TIME_EPSILON_SECONDS;
-
-	const positionX = useKeyframedNumberProperty({
-		trackId,
-		elementId: element.id,
-		animations: element.animations,
-		propertyPath: "transform.position.x",
-		localTime,
-		isPlayheadWithinElementRange,
-		displayValue: Math.round(resolvedTransform.position.x).toString(),
-		parse: (input) => parseNumericInput({ input }),
-		valueAtPlayhead: resolvedTransform.position.x,
-		buildBaseUpdates: ({ value }) => ({
-			transform: {
-				...element.transform,
-				position: {
-					...element.transform.position,
-					x: value,
-				},
-			},
-		}),
-	});
-
-	const positionY = useKeyframedNumberProperty({
-		trackId,
-		elementId: element.id,
-		animations: element.animations,
-		propertyPath: "transform.position.y",
-		localTime,
-		isPlayheadWithinElementRange,
-		displayValue: Math.round(resolvedTransform.position.y).toString(),
-		parse: (input) => parseNumericInput({ input }),
-		valueAtPlayhead: resolvedTransform.position.y,
-		buildBaseUpdates: ({ value }) => ({
-			transform: {
-				...element.transform,
-				position: {
-					...element.transform.position,
-					y: value,
-				},
-			},
-		}),
-	});
-
-	const scale = useKeyframedNumberProperty({
-		trackId,
-		elementId: element.id,
-		animations: element.animations,
-		propertyPath: "transform.scale",
-		localTime,
-		isPlayheadWithinElementRange,
-		displayValue: Math.round(resolvedTransform.scale * 100).toString(),
-		parse: (input) => {
-			const parsed = parseNumericInput({ input });
-			if (parsed === null) return null;
-			return Math.max(parsed, 1) / 100;
-		},
-		valueAtPlayhead: resolvedTransform.scale,
-		buildBaseUpdates: ({ value }) => ({
-			transform: {
-				...element.transform,
-				scale: value,
-			},
-		}),
-	});
-	const scaleFieldProps = {
-		className: "flex-1",
-		value: scale.displayValue,
-		onFocus: scale.onFocus,
-		onChange: scale.onChange,
-		onBlur: scale.onBlur,
-		dragSensitivity: "slow" as const,
-		onScrub: scale.scrubTo,
-		onScrubEnd: scale.commitScrub,
-		onReset: () => scale.commitValue({ value: DEFAULT_TRANSFORM.scale }),
-		isDefault: isPropertyAtDefault({
-			hasAnimatedKeyframes: scale.hasAnimatedKeyframes,
-			isPlayheadWithinElementRange,
-			resolvedValue: resolvedTransform.scale,
-			staticValue: element.transform.scale,
-			defaultValue: DEFAULT_TRANSFORM.scale,
-		}),
-	};
-
-	const rotation = useKeyframedNumberProperty({
-		trackId,
-		elementId: element.id,
-		animations: element.animations,
-		propertyPath: "transform.rotate",
-		localTime,
-		isPlayheadWithinElementRange,
-		displayValue: Math.round(resolvedTransform.rotate).toString(),
-		parse: (input) => {
-			const parsed = parseNumericInput({ input });
-			if (parsed === null) return null;
-			return clamp({ value: parsed, min: -360, max: 360 });
-		},
-		valueAtPlayhead: resolvedTransform.rotate,
-		buildBaseUpdates: ({ value }) => ({
-			transform: {
-				...element.transform,
-				rotate: value,
-			},
-		}),
-	});
-
-	const hasPositionKeyframe =
-		positionX.isKeyframedAtTime || positionY.isKeyframedAtTime;
-
-	const togglePositionKeyframe = () => {
-		if (!isPlayheadWithinElementRange) {
-			return;
-		}
-
-		if (positionX.keyframeIdAtTime || positionY.keyframeIdAtTime) {
-			const keyframesToRemove: Array<{
-				trackId: string;
-				elementId: string;
-				propertyPath: AnimationPropertyPath;
-				keyframeId: string;
-			}> = [];
-			if (positionX.keyframeIdAtTime) {
-				keyframesToRemove.push({
-					trackId,
-					elementId: element.id,
-					propertyPath: "transform.position.x" as const,
-					keyframeId: positionX.keyframeIdAtTime,
-				});
-			}
-			if (positionY.keyframeIdAtTime) {
-				keyframesToRemove.push({
-					trackId,
-					elementId: element.id,
-					propertyPath: "transform.position.y" as const,
-					keyframeId: positionY.keyframeIdAtTime,
-				});
-			}
-
-			editor.timeline.removeKeyframes({
-				keyframes: keyframesToRemove,
-			});
-			return;
-		}
-
-		editor.timeline.upsertKeyframes({
-			keyframes: [
-				{
-					trackId,
-					elementId: element.id,
-					propertyPath: "transform.position.x",
-					time: localTime,
-					value: resolvedTransform.position.x,
-				},
-				{
-					trackId,
-					elementId: element.id,
-					propertyPath: "transform.position.y",
-					time: localTime,
-					value: resolvedTransform.position.y,
-				},
-			],
-		});
-	};
-
-	return (
-		<Section
-			collapsible
-			sectionKey={`${element.type}:transform`}
-			showTopBorder={showTopBorder}
-		>
-			<SectionHeader><SectionTitle>Transform</SectionTitle></SectionHeader>
-			<SectionContent>
-				<SectionFields>
-					<SectionField
-						label="Scale"
-						beforeLabel={
-							<KeyframeToggle
-								isActive={scale.isKeyframedAtTime}
-								isDisabled={!isPlayheadWithinElementRange}
-								title="Toggle scale keyframe"
-								onToggle={scale.toggleKeyframe}
-							/>
-						}
-					>
-						<div className="flex items-center gap-2">
-							{isScaleLocked ? (
-								<>
-									<NumberField icon="W" {...scaleFieldProps} />
-									<NumberField icon="H" {...scaleFieldProps} />
-								</>
-							) : (
-								<NumberField
-									icon={<HugeiconsIcon icon={ArrowExpandIcon} />}
-									{...scaleFieldProps}
-									className="flex-1"
-								/>
-							)}
-							<Button
-								type="button"
-								variant={isScaleLocked ? "secondary" : "ghost"}
-								size="icon"
-								aria-pressed={isScaleLocked}
-								onClick={() => setIsScaleLocked((isLocked) => !isLocked)}
-							>
-								<HugeiconsIcon icon={Link05Icon} />
-							</Button>
-						</div>
-					</SectionField>
-					<SectionField
-						label="Position"
-						beforeLabel={
-							<KeyframeToggle
-								isActive={hasPositionKeyframe}
-								isDisabled={!isPlayheadWithinElementRange}
-								title="Toggle position keyframe"
-								onToggle={togglePositionKeyframe}
-							/>
-						}
-					>
-						<div className="flex items-center gap-2">
-							<NumberField
-								icon="X"
-								className="flex-1"
-								value={positionX.displayValue}
-								onFocus={positionX.onFocus}
-								onChange={positionX.onChange}
-								onBlur={positionX.onBlur}
-								onScrub={positionX.scrubTo}
-								onScrubEnd={positionX.commitScrub}
-								onReset={() =>
-									positionX.commitValue({ value: DEFAULT_TRANSFORM.position.x })
-								}
-								isDefault={isPropertyAtDefault({
-									hasAnimatedKeyframes: positionX.hasAnimatedKeyframes,
-									isPlayheadWithinElementRange,
-									resolvedValue: resolvedTransform.position.x,
-									staticValue: element.transform.position.x,
-									defaultValue: DEFAULT_TRANSFORM.position.x,
-								})}
-							/>
-							<NumberField
-								icon="Y"
-								className="flex-1"
-								value={positionY.displayValue}
-								onFocus={positionY.onFocus}
-								onChange={positionY.onChange}
-								onBlur={positionY.onBlur}
-								onScrub={positionY.scrubTo}
-								onScrubEnd={positionY.commitScrub}
-								onReset={() =>
-									positionY.commitValue({ value: DEFAULT_TRANSFORM.position.y })
-								}
-								isDefault={isPropertyAtDefault({
-									hasAnimatedKeyframes: positionY.hasAnimatedKeyframes,
-									isPlayheadWithinElementRange,
-									resolvedValue: resolvedTransform.position.y,
-									staticValue: element.transform.position.y,
-									defaultValue: DEFAULT_TRANSFORM.position.y,
-								})}
-							/>
-						</div>
-					</SectionField>
-
-					<SectionField
-						label="Rotation"
-						beforeLabel={
-							<KeyframeToggle
-								isActive={rotation.isKeyframedAtTime}
-								isDisabled={!isPlayheadWithinElementRange}
-								title="Toggle rotation keyframe"
-								onToggle={rotation.toggleKeyframe}
-							/>
-						}
-					>
-						<div className="flex items-center gap-2">
-							<NumberField
-								icon={<HugeiconsIcon icon={RotateClockwiseIcon} />}
-								className="flex-none"
-								value={rotation.displayValue}
-								onFocus={rotation.onFocus}
-								onChange={rotation.onChange}
-								onBlur={rotation.onBlur}
-								dragSensitivity="slow"
-								onScrub={rotation.scrubTo}
-								onScrubEnd={rotation.commitScrub}
-								onReset={() =>
-									rotation.commitValue({ value: DEFAULT_TRANSFORM.rotate })
-								}
-								isDefault={isPropertyAtDefault({
-									hasAnimatedKeyframes: rotation.hasAnimatedKeyframes,
-									isPlayheadWithinElementRange,
-									resolvedValue: resolvedTransform.rotate,
-									staticValue: element.transform.rotate,
-									defaultValue: DEFAULT_TRANSFORM.rotate,
-								})}
-							/>
-						</div>
-					</SectionField>
-				</SectionFields>
-			</SectionContent>
-		</Section>
-	);
-}
diff --git a/legacy/timeline/use-selection-box.ts b/legacy/timeline/use-selection-box.ts
deleted file mode 100644
index 979bb480..00000000
--- a/legacy/timeline/use-selection-box.ts
+++ /dev/null
@@ -1,265 +0,0 @@
-import { useCallback, useEffect, useRef, useState } from "react";
-import { TIMELINE_CONSTANTS } from "@/constants/timeline-constants";
-import { getCumulativeHeightBefore, getTrackHeight } from "@/lib/timeline";
-import { useEditor } from "../use-editor";
-
-interface UseSelectionBoxProps {
-	containerRef: React.RefObject<HTMLElement | null>;
-	headerRef?: React.RefObject<HTMLElement | null>;
-	onSelectionComplete: ({
-		elements,
-		isAdditive,
-	}: {
-		elements: { trackId: string; elementId: string }[];
-		isAdditive: boolean;
-	}) => void;
-	isEnabled?: boolean;
-	tracksScrollRef: React.RefObject<HTMLDivElement | null>;
-	zoomLevel: number;
-}
-
-interface SelectionBoxState {
-	startPos: { x: number; y: number };
-	currentPos: { x: number; y: number };
-	isActive: boolean;
-	isAdditive: boolean;
-}
-
-interface SelectionRectangle {
-	left: number;
-	top: number;
-	right: number;
-	bottom: number;
-}
-
-function getNormalizedRectangle({
-	startPos,
-	endPos,
-}: {
-	startPos: { x: number; y: number };
-	endPos: { x: number; y: number };
-}): SelectionRectangle {
-	return {
-		left: Math.min(startPos.x, endPos.x),
-		top: Math.min(startPos.y, endPos.y),
-		right: Math.max(startPos.x, endPos.x),
-		bottom: Math.max(startPos.y, endPos.y),
-	};
-}
-
-function getSelectionRectangleInContent({
-	container,
-	scrollContainer,
-	startPos,
-	endPos,
-}: {
-	container: HTMLElement;
-	scrollContainer: HTMLDivElement | null;
-	startPos: { x: number; y: number };
-	endPos: { x: number; y: number };
-}): SelectionRectangle {
-	const containerRect = container.getBoundingClientRect();
-	const scrollRect = scrollContainer?.getBoundingClientRect() ?? containerRect;
-	const scrollLeft = scrollContainer?.scrollLeft ?? 0;
-	const scrollTop = scrollContainer?.scrollTop ?? 0;
-
-	const adjustedStart = {
-		x: startPos.x - containerRect.left + scrollLeft,
-		y: startPos.y - scrollRect.top + scrollTop,
-	};
-	const adjustedEnd = {
-		x: endPos.x - containerRect.left + scrollLeft,
-		y: endPos.y - scrollRect.top + scrollTop,
-	};
-
-	return getNormalizedRectangle({
-		startPos: adjustedStart,
-		endPos: adjustedEnd,
-	});
-}
-
-function isRectangleIntersecting({
-	elementRectangle,
-	selectionRectangle,
-}: {
-	elementRectangle: SelectionRectangle;
-	selectionRectangle: SelectionRectangle;
-}): boolean {
-	return !(
-		elementRectangle.right < selectionRectangle.left ||
-		elementRectangle.left > selectionRectangle.right ||
-		elementRectangle.bottom < selectionRectangle.top ||
-		elementRectangle.top > selectionRectangle.bottom
-	);
-}
-
-export function useSelectionBox({
-	containerRef,
-	headerRef,
-	onSelectionComplete,
-	isEnabled = true,
-	tracksScrollRef,
-	zoomLevel,
-}: UseSelectionBoxProps) {
-	const editor = useEditor();
-	const [selectionBox, setSelectionBox] = useState<SelectionBoxState | null>(
-		null,
-	);
-	const justFinishedSelectingRef = useRef(false);
-
-	const handleMouseDown = useCallback(
-		({ clientX, clientY, shiftKey, ctrlKey, metaKey }: React.MouseEvent) => {
-			if (!isEnabled) return;
-
-			setSelectionBox({
-				startPos: { x: clientX, y: clientY },
-				currentPos: { x: clientX, y: clientY },
-				isActive: false,
-				isAdditive: shiftKey || ctrlKey || metaKey,
-			});
-		},
-		[isEnabled],
-	);
-
-	const selectElementsInBox = useCallback(
-		({
-			startPos,
-			endPos,
-			isAdditive,
-		}: {
-			startPos: { x: number; y: number };
-			endPos: { x: number; y: number };
-			isAdditive: boolean;
-		}) => {
-			if (!containerRef.current) return;
-
-			const tracks = editor.timeline.getTracks();
-			const container = containerRef.current;
-			const selectionRectangle = getSelectionRectangleInContent({
-				container,
-				scrollContainer: tracksScrollRef.current,
-				startPos,
-				endPos,
-			});
-			const pixelsPerSecond = TIMELINE_CONSTANTS.PIXELS_PER_SECOND * zoomLevel;
-			const timelineHeaderHeight =
-				headerRef?.current?.getBoundingClientRect().height ?? 0;
-			const selectedElements: { trackId: string; elementId: string }[] = [];
-
-			for (const [trackIndex, track] of tracks.entries()) {
-				const trackTop = getCumulativeHeightBefore({
-					tracks,
-					trackIndex,
-				});
-				const trackHeight = getTrackHeight({ type: track.type });
-				const elementTop =
-					timelineHeaderHeight + TIMELINE_CONSTANTS.PADDING_TOP_PX + trackTop;
-				const elementBottom = elementTop + trackHeight;
-
-				for (const element of track.elements) {
-					const elementLeft = element.startTime * pixelsPerSecond;
-					const elementRight = elementLeft + element.duration * pixelsPerSecond;
-
-					const elementRectangle = {
-						left: elementLeft,
-						top: elementTop,
-						right: elementRight,
-						bottom: elementBottom,
-					};
-
-					const intersects = isRectangleIntersecting({
-						elementRectangle,
-						selectionRectangle,
-					});
-
-					if (intersects) {
-						selectedElements.push({
-							trackId: track.id,
-							elementId: element.id,
-						});
-					}
-				}
-			}
-			onSelectionComplete({ elements: selectedElements, isAdditive });
-		},
-		[
-			containerRef,
-			headerRef,
-			onSelectionComplete,
-			editor,
-			tracksScrollRef,
-			zoomLevel,
-		],
-	);
-
-	useEffect(() => {
-		if (!selectionBox) return;
-
-		const handleMouseMove = ({ clientX, clientY }: MouseEvent) => {
-			const deltaX = Math.abs(clientX - selectionBox.startPos.x);
-			const deltaY = Math.abs(clientY - selectionBox.startPos.y);
-			const shouldActivate = deltaX > 5 || deltaY > 5;
-
-			const newSelectionBox = {
-				...selectionBox,
-				currentPos: { x: clientX, y: clientY },
-				isActive: shouldActivate || selectionBox.isActive,
-			};
-
-			setSelectionBox(newSelectionBox);
-
-			if (newSelectionBox.isActive) {
-				selectElementsInBox({
-					startPos: newSelectionBox.startPos,
-					endPos: newSelectionBox.currentPos,
-					isAdditive: newSelectionBox.isAdditive,
-				});
-			}
-		};
-
-		const handleMouseUp = () => {
-			if (selectionBox?.isActive) {
-				justFinishedSelectingRef.current = true;
-				requestAnimationFrame(() => {
-					justFinishedSelectingRef.current = false;
-				});
-			}
-			setSelectionBox(null);
-		};
-
-		window.addEventListener("mousemove", handleMouseMove);
-		window.addEventListener("mouseup", handleMouseUp);
-
-		return () => {
-			window.removeEventListener("mousemove", handleMouseMove);
-			window.removeEventListener("mouseup", handleMouseUp);
-		};
-	}, [selectionBox, selectElementsInBox]);
-
-	useEffect(() => {
-		if (!selectionBox) return;
-
-		const previousBodyUserSelect = document.body.style.userSelect;
-		const container = containerRef.current;
-		const previousContainerUserSelect = container?.style.userSelect ?? "";
-
-		document.body.style.userSelect = "none";
-		if (container) container.style.userSelect = "none";
-
-		return () => {
-			document.body.style.userSelect = previousBodyUserSelect;
-			if (container) container.style.userSelect = previousContainerUserSelect;
-		};
-	}, [selectionBox, containerRef]);
-
-	const shouldIgnoreClick = useCallback(() => {
-		return justFinishedSelectingRef.current;
-	}, []);
-
-	return {
-		selectionBox,
-		handleMouseDown,
-		isSelecting: selectionBox?.isActive || false,
-		shouldIgnoreClick,
-	};
-}
diff --git a/legacy/use-assets-selection-box.ts b/legacy/use-assets-selection-box.ts
deleted file mode 100644
index e0cf88c8..00000000
--- a/legacy/use-assets-selection-box.ts
+++ /dev/null
@@ -1,198 +0,0 @@
-import { useCallback, useEffect, useRef, useState } from "react";
-
-interface SelectionBoxState {
-	startPos: { x: number; y: number };
-	currentPos: { x: number; y: number };
-	isActive: boolean;
-	isAdditive: boolean;
-	initialSelectedIds: string[];
-	initialAnchorId: string | null;
-}
-
-function isIntersecting({
-	selectionRect,
-	itemRect,
-}: {
-	selectionRect: DOMRect;
-	itemRect: DOMRect;
-}) {
-	return !(
-		itemRect.right < selectionRect.left ||
-		itemRect.left > selectionRect.right ||
-		itemRect.bottom < selectionRect.top ||
-		itemRect.top > selectionRect.bottom
-	);
-}
-
-function createSelectionRect({
-	startPos,
-	currentPos,
-}: {
-	startPos: { x: number; y: number };
-	currentPos: { x: number; y: number };
-}) {
-	return new DOMRect(
-		Math.min(startPos.x, currentPos.x),
-		Math.min(startPos.y, currentPos.y),
-		Math.abs(currentPos.x - startPos.x),
-		Math.abs(currentPos.y - startPos.y),
-	);
-}
-
-export function useAssetsSelectionBox({
-	containerRef,
-	getSelectableElements,
-	selectedIds,
-	selectionAnchorId,
-	onSelectionChange,
-}: {
-	containerRef: React.RefObject<HTMLElement | null>;
-	getSelectableElements: () => Map<string, HTMLElement>;
-	selectedIds: string[];
-	selectionAnchorId: string | null;
-	onSelectionChange: ({
-		intersectedIds,
-		initialSelectedIds,
-		initialAnchorId,
-		isAdditive,
-	}: {
-		intersectedIds: string[];
-		initialSelectedIds: string[];
-		initialAnchorId: string | null;
-		isAdditive: boolean;
-	}) => void;
-}) {
-	const [selectionBox, setSelectionBox] = useState<SelectionBoxState | null>(
-		null,
-	);
-	const justFinishedSelectingRef = useRef(false);
-	const isAssetItemTarget = useCallback((target: EventTarget | null) => {
-		return target instanceof Element && target.closest("[data-asset-item='true']");
-	}, []);
-
-	const handleMouseDown = useCallback(
-		(event: React.MouseEvent<HTMLElement>) => {
-			if (event.button !== 0) {
-				return;
-			}
-
-			if (isAssetItemTarget(event.target)) {
-				return;
-			}
-
-			setSelectionBox({
-				startPos: { x: event.clientX, y: event.clientY },
-				currentPos: { x: event.clientX, y: event.clientY },
-				isActive: false,
-				isAdditive: event.ctrlKey || event.metaKey,
-				initialSelectedIds: selectedIds,
-				initialAnchorId: selectionAnchorId,
-			});
-		},
-		[isAssetItemTarget, selectedIds, selectionAnchorId],
-	);
-
-	const updateSelection = useCallback(
-		({
-			startPos,
-			currentPos,
-			isAdditive,
-			initialSelectedIds,
-			initialAnchorId,
-		}: SelectionBoxState) => {
-			const selectionRect = createSelectionRect({ startPos, currentPos });
-			const intersectedIds = [...getSelectableElements().entries()]
-				.filter(([, element]) =>
-					isIntersecting({
-						selectionRect,
-						itemRect: element.getBoundingClientRect(),
-					}),
-				)
-				.map(([id]) => id);
-
-			onSelectionChange({
-				intersectedIds,
-				initialSelectedIds,
-				initialAnchorId,
-				isAdditive,
-			});
-		},
-		[getSelectableElements, onSelectionChange],
-	);
-
-	useEffect(() => {
-		if (!selectionBox) {
-			return;
-		}
-
-		const handleMouseMove = ({ clientX, clientY }: MouseEvent) => {
-			const deltaX = Math.abs(clientX - selectionBox.startPos.x);
-			const deltaY = Math.abs(clientY - selectionBox.startPos.y);
-			const shouldActivate = deltaX > 5 || deltaY > 5;
-			const nextSelectionBox = {
-				...selectionBox,
-				currentPos: { x: clientX, y: clientY },
-				isActive: shouldActivate || selectionBox.isActive,
-			};
-
-			setSelectionBox(nextSelectionBox);
-
-			if (!nextSelectionBox.isActive) {
-				return;
-			}
-
-			updateSelection(nextSelectionBox);
-		};
-
-		const handleMouseUp = () => {
-			if (selectionBox.isActive) {
-				justFinishedSelectingRef.current = true;
-				requestAnimationFrame(() => {
-					justFinishedSelectingRef.current = false;
-				});
-			}
-
-			setSelectionBox(null);
-		};
-
-		window.addEventListener("mousemove", handleMouseMove);
-		window.addEventListener("mouseup", handleMouseUp);
-
-		return () => {
-			window.removeEventListener("mousemove", handleMouseMove);
-			window.removeEventListener("mouseup", handleMouseUp);
-		};
-	}, [selectionBox, updateSelection]);
-
-	useEffect(() => {
-		if (!selectionBox) {
-			return;
-		}
-
-		const previousBodyUserSelect = document.body.style.userSelect;
-		const previousContainerUserSelect = containerRef.current?.style.userSelect ?? "";
-
-		document.body.style.userSelect = "none";
-		if (containerRef.current) {
-			containerRef.current.style.userSelect = "none";
-		}
-
-		return () => {
-			document.body.style.userSelect = previousBodyUserSelect;
-			if (containerRef.current) {
-				containerRef.current.style.userSelect = previousContainerUserSelect;
-			}
-		};
-	}, [containerRef, selectionBox]);
-
-	const shouldIgnoreClick = useCallback(() => {
-		return justFinishedSelectingRef.current;
-	}, []);
-
-	return {
-		selectionBox,
-		isSelecting: selectionBox?.isActive ?? false,
-		handleMouseDown,
-		shouldIgnoreClick,
-	};
-}
diff --git a/legacy/use-assets-selection.ts b/legacy/use-assets-selection.ts
deleted file mode 100644
index 2b11a634..00000000
--- a/legacy/use-assets-selection.ts
+++ /dev/null
@@ -1,209 +0,0 @@
-import { useCallback, useEffect, useMemo } from "react";
-import { useAssetsPanelStore } from "@/stores/assets-panel-store";
-
-function mergeUniqueIds({ ids }: { ids: string[] }) {
-	return [...new Set(ids)];
-}
-
-function getRangeIds({
-	orderedIds,
-	anchorId,
-	targetId,
-}: {
-	orderedIds: string[];
-	anchorId: string;
-	targetId: string;
-}) {
-	const anchorIndex = orderedIds.indexOf(anchorId);
-	const targetIndex = orderedIds.indexOf(targetId);
-
-	if (anchorIndex === -1 || targetIndex === -1) {
-		return [targetId];
-	}
-
-	const rangeStart = Math.min(anchorIndex, targetIndex);
-	const rangeEnd = Math.max(anchorIndex, targetIndex);
-	return orderedIds.slice(rangeStart, rangeEnd + 1);
-}
-
-export function useAssetsSelection({
-	orderedIds,
-}: {
-	orderedIds: string[];
-}) {
-	const {
-		selectedMediaIds,
-		selectionAnchorId,
-		setMediaSelection,
-		clearMediaSelection,
-	} = useAssetsPanelStore();
-	const selectedIdSet = useMemo(() => {
-		return new Set(selectedMediaIds);
-	}, [selectedMediaIds]);
-
-	useEffect(() => {
-		const validIds = new Set(orderedIds);
-		const nextSelectedIds = selectedMediaIds.filter((id) => validIds.has(id));
-		const nextAnchorId =
-			selectionAnchorId && validIds.has(selectionAnchorId)
-				? selectionAnchorId
-				: nextSelectedIds[nextSelectedIds.length - 1] ?? null;
-		const isSelectionUnchanged =
-			nextSelectedIds.length === selectedMediaIds.length &&
-			nextAnchorId === selectionAnchorId;
-
-		if (isSelectionUnchanged) {
-			return;
-		}
-
-		setMediaSelection({
-			ids: nextSelectedIds,
-			anchorId: nextAnchorId,
-		});
-	}, [orderedIds, selectedMediaIds, selectionAnchorId, setMediaSelection]);
-
-	const replaceSelection = useCallback(
-		(ids: string[], anchorId?: string | null) => {
-			setMediaSelection({
-				ids: mergeUniqueIds({ ids }),
-				anchorId,
-			});
-		},
-		[setMediaSelection],
-	);
-
-	const isSelected = useCallback(
-		(id: string) => {
-			return selectedIdSet.has(id);
-		},
-		[selectedIdSet],
-	);
-
-	const toggleSelection = useCallback(
-		(id: string) => {
-			if (selectedIdSet.has(id)) {
-				const nextSelectedIds = selectedMediaIds.filter(
-					(selectedId) => selectedId !== id,
-				);
-				const nextAnchorId =
-					selectionAnchorId === id
-						? nextSelectedIds[nextSelectedIds.length - 1] ?? null
-						: selectionAnchorId;
-				replaceSelection(nextSelectedIds, nextAnchorId);
-				return;
-			}
-
-			replaceSelection([...selectedMediaIds, id], id);
-		},
-		[
-			selectedIdSet,
-			selectedMediaIds,
-			selectionAnchorId,
-			replaceSelection,
-		],
-	);
-
-	const selectRange = useCallback(
-		({
-			targetId,
-			isAdditive,
-		}: {
-			targetId: string;
-			isAdditive: boolean;
-		}) => {
-			const anchorId =
-				selectionAnchorId ??
-				selectedMediaIds[selectedMediaIds.length - 1] ??
-				targetId;
-			const rangeIds = getRangeIds({
-				orderedIds,
-				anchorId,
-				targetId,
-			});
-			const nextSelectedIds = isAdditive
-				? mergeUniqueIds({
-						ids: [...selectedMediaIds, ...rangeIds],
-					})
-				: rangeIds;
-
-			replaceSelection(nextSelectedIds, anchorId);
-		},
-		[orderedIds, replaceSelection, selectedMediaIds, selectionAnchorId],
-	);
-
-	const handleItemClick = useCallback(
-		({
-			event,
-			id,
-		}: {
-			event: React.MouseEvent;
-			id: string;
-		}) => {
-			const isToggleSelection = event.ctrlKey || event.metaKey;
-
-			if (event.shiftKey) {
-				selectRange({
-					targetId: id,
-					isAdditive: isToggleSelection,
-				});
-				return;
-			}
-
-			if (isToggleSelection) {
-				toggleSelection(id);
-				return;
-			}
-
-			replaceSelection([id], id);
-		},
-		[replaceSelection, selectRange, toggleSelection],
-	);
-
-	const handleItemContextMenu = useCallback(
-		(id: string) => {
-			if (selectedIdSet.has(id)) {
-				return;
-			}
-
-			replaceSelection([id], id);
-		},
-		[selectedIdSet, replaceSelection],
-	);
-
-	const applyBoxSelection = useCallback(
-		({
-			intersectedIds,
-			initialSelectedIds,
-			initialAnchorId,
-			isAdditive,
-		}: {
-			intersectedIds: string[];
-			initialSelectedIds: string[];
-			initialAnchorId: string | null;
-			isAdditive: boolean;
-		}) => {
-			const nextSelectedIds = isAdditive
-				? mergeUniqueIds({
-						ids: [...initialSelectedIds, ...intersectedIds],
-					})
-				: intersectedIds;
-			const nextAnchorId = isAdditive
-				? initialAnchorId ?? intersectedIds[intersectedIds.length - 1] ?? null
-				: intersectedIds[intersectedIds.length - 1] ?? null;
-
-			replaceSelection(nextSelectedIds, nextAnchorId);
-		},
-		[replaceSelection],
-	);
-
-	return {
-		selectedMediaIds,
-		selectionAnchorId,
-		isSelected,
-		replaceSelection,
-		clearSelection: clearMediaSelection,
-		handleItemClick,
-		handleItemContextMenu,
-		applyBoxSelection,
-	};
-}
diff --git a/legacy/use-element-registry.ts b/legacy/use-element-registry.ts
deleted file mode 100644
index df3315cb..00000000
--- a/legacy/use-element-registry.ts
+++ /dev/null
@@ -1,31 +0,0 @@
-import { useCallback, useRef } from "react";
-
-export function useElementRegistry() {
-	const elementRefs = useRef<Map<string, HTMLElement>>(new Map());
-
-	const registerElement = useCallback(
-		(id: string, element: HTMLElement | null) => {
-			if (element) {
-				elementRefs.current.set(id, element);
-				return;
-			}
-
-			elementRefs.current.delete(id);
-		},
-		[],
-	);
-
-	const getElement = useCallback((id: string) => {
-		return elementRefs.current.get(id) ?? null;
-	}, []);
-
-	const getElements = useCallback(() => {
-		return elementRefs.current;
-	}, []);
-
-	return {
-		registerElement,
-		getElement,
-		getElements,
-	};
-}
diff --git a/legacy/use-reveal-item.ts b/legacy/use-reveal-item.ts
deleted file mode 100644
index dd13d844..00000000
--- a/legacy/use-reveal-item.ts
+++ /dev/null
@@ -1,28 +0,0 @@
-import { useEffect, useState } from "react";
-
-export function useRevealItem(
-	highlightId: string | null,
-	onClearHighlight: () => void,
-	getElement: (id: string) => HTMLElement | null,
-	highlightDuration = 1000,
-) {
-	const [highlightedId, setHighlightedId] = useState<string | null>(null);
-
-	useEffect(() => {
-		if (!highlightId) return;
-
-		setHighlightedId(highlightId);
-
-		const target = getElement(highlightId);
-		target?.scrollIntoView({ block: "center" });
-
-		const timeout = setTimeout(() => {
-			setHighlightedId(null);
-			onClearHighlight();
-		}, highlightDuration);
-
-		return () => clearTimeout(timeout);
-	}, [highlightId, onClearHighlight, highlightDuration, getElement]);
-
-	return { highlightedId };
-}