From ac6c9452c05b00cfe7f1da6951f14a742912a831 Mon Sep 17 00:00:00 2001
From: Jake Howell <jacob@coder.com>
Date: Tue, 21 Apr 2026 13:48:36 +1000
Subject: [PATCH] chore(site): decss the `<WorkspaceBuild* />` pages (#24530)

This removes the CSS props of various components found in our workspaces
pages. Eventually, we'd like to remove the MUI-specific components in
here, but its a good start!
---
 site/src/pages/WorkspaceBuildPage/Sidebar.tsx | 39 +++++----------
 .../pages/WorkspacePage/ResourceMetadata.tsx  | 49 ++++++-------------
 .../WorkspaceNotifications/Notifications.tsx  | 34 +++----------
 .../WorkspaceNotifications.tsx                | 11 +----
 .../WorkspaceScheduleControls.tsx             | 47 +++++-------------
 .../pages/WorkspacePage/WorkspaceTopbar.tsx   | 41 ++++++----------
 .../WorkspaceParametersPage.tsx               |  5 +-
 7 files changed, 61 insertions(+), 165 deletions(-)

diff --git a/site/src/pages/WorkspaceBuildPage/Sidebar.tsx b/site/src/pages/WorkspaceBuildPage/Sidebar.tsx
index 9fa7b7963d..f7180fa820 100644
--- a/site/src/pages/WorkspaceBuildPage/Sidebar.tsx
+++ b/site/src/pages/WorkspaceBuildPage/Sidebar.tsx
@@ -29,25 +29,13 @@ export const SidebarItem: FC<SidebarItemProps> = ({
 }) => {
 	return (
 		<button
-			css={(theme) => ({
-				background: active ? theme.experimental.l2.background : "none",
-				border: "none",
-				fontSize: 14,
-				width: "100%",
-				textAlign: "left",
-				padding: "0 24px",
-				cursor: "pointer",
-				pointerEvents: active ? "none" : "auto",
-				color: active
-					? theme.palette.text.primary
-					: theme.palette.text.secondary,
-				"&:hover": {
-					background: theme.palette.action.hover,
-					color: theme.palette.text.primary,
-				},
-				paddingTop: 10,
-				paddingBottom: 10,
-			})}
+			className={cn(
+				"py-2.5 px-6 border-0 text-sm w-full text-left cursor-pointer",
+				"hover:bg-surface-tertiary hover:text-content-primary",
+				active
+					? "text-content-primary pointer-events-none bg-surface-secondary"
+					: "text-content-secondary pointer-events-auto bg-transparent",
+			)}
 			{...attrs}
 		>
 			{children}
@@ -57,18 +45,15 @@ export const SidebarItem: FC<SidebarItemProps> = ({
 
 export const SidebarCaption: FC<HTMLAttributes<HTMLDivElement>> = ({
 	children,
+	className,
 	...attrs
 }) => {
 	return (
 		<div
-			css={(theme) => ({
-				fontSize: 10,
-				textTransform: "uppercase",
-				fontWeight: 500,
-				color: theme.palette.text.secondary,
-				padding: "12px 24px",
-				letterSpacing: "0.5px",
-			})}
+			className={cn(
+				"text-[10px] uppercase font-medium text-content-secondary",
+				"px-6 py-3 tracking-[0.5px]",
+			)}
 			{...attrs}
 		>
 			{children}
diff --git a/site/src/pages/WorkspacePage/ResourceMetadata.tsx b/site/src/pages/WorkspacePage/ResourceMetadata.tsx
index fed4e41786..4552abc5c6 100644
--- a/site/src/pages/WorkspacePage/ResourceMetadata.tsx
+++ b/site/src/pages/WorkspacePage/ResourceMetadata.tsx
@@ -1,9 +1,9 @@
-import type { Interpolation, Theme } from "@emotion/react";
 import { Children, type FC, type HTMLAttributes } from "react";
 import type { WorkspaceResource } from "#/api/typesGenerated";
 import { CopyableValue } from "#/components/CopyableValue/CopyableValue";
 import { MemoizedInlineMarkdown } from "#/components/Markdown/InlineMarkdown";
 import { SensitiveValue } from "#/modules/resources/SensitiveValue";
+import { cn } from "#/utils/cn";
 
 type ResourceMetadataProps = Omit<HTMLAttributes<HTMLElement>, "resource"> & {
 	resource: WorkspaceResource;
@@ -11,6 +11,7 @@ type ResourceMetadataProps = Omit<HTMLAttributes<HTMLElement>, "resource"> & {
 
 export const ResourceMetadata: FC<ResourceMetadataProps> = ({
 	resource,
+	className,
 	...headerProps
 }) => {
 	const metadata = resource.metadata ? [...resource.metadata] : [];
@@ -28,11 +29,17 @@ export const ResourceMetadata: FC<ResourceMetadataProps> = ({
 	}
 
 	return (
-		<header css={styles.root} {...headerProps}>
+		<header
+			className={cn(
+				"p-6 flex flex-wrap gap-x-12 gap-y-6 mb-6 text-sm",
+				className,
+			)}
+			{...headerProps}
+		>
 			{metadata.map((meta) => {
 				return (
-					<div css={styles.item} key={meta.key}>
-						<div css={styles.value}>
+					<div className="leading-normal" key={meta.key}>
+						<div className="text-ellipsis font-normal">
 							{meta.sensitive ? (
 								<SensitiveValue value={meta.value} />
 							) : (
@@ -59,40 +66,12 @@ export const ResourceMetadata: FC<ResourceMetadataProps> = ({
 								</MemoizedInlineMarkdown>
 							)}
 						</div>
-						<div css={styles.label}>{meta.key}</div>
+						<div className="font-normal leading-normal text-xs text-content-secondary truncate">
+							{meta.key}
+						</div>
 					</div>
 				);
 			})}
 		</header>
 	);
 };
-
-const styles = {
-	root: () => ({
-		padding: 24,
-		display: "flex",
-		flexWrap: "wrap",
-		gap: 48,
-		rowGap: 24,
-		marginBottom: 24,
-		fontSize: 14,
-	}),
-
-	item: {
-		lineHeight: "1.5",
-	},
-
-	label: (theme) => ({
-		fontSize: 13,
-		color: theme.palette.text.secondary,
-		textOverflow: "ellipsis",
-		overflow: "hidden",
-		whiteSpace: "nowrap",
-	}),
-
-	value: {
-		textOverflow: "ellipsis",
-		overflow: "hidden",
-		whiteSpace: "nowrap",
-	},
-} satisfies Record<string, Interpolation<Theme>>;
diff --git a/site/src/pages/WorkspacePage/WorkspaceNotifications/Notifications.tsx b/site/src/pages/WorkspacePage/WorkspaceNotifications/Notifications.tsx
index 75ced169eb..e2d1757f26 100644
--- a/site/src/pages/WorkspacePage/WorkspaceNotifications/Notifications.tsx
+++ b/site/src/pages/WorkspacePage/WorkspaceNotifications/Notifications.tsx
@@ -1,4 +1,4 @@
-import { type Interpolation, type Theme, useTheme } from "@emotion/react";
+import { useTheme } from "@emotion/react";
 import { type FC, type ReactNode, useState } from "react";
 import type { AlertProps } from "#/components/Alert/Alert";
 import { Button, type ButtonProps } from "#/components/Button/Button";
@@ -37,7 +37,8 @@ export const Notifications: FC<NotificationsProps> = ({
 			<Tooltip open={isOpen} onOpenChange={setIsOpen} delayDuration={0}>
 				<TooltipTrigger asChild>
 					<div
-						css={styles.pillContainer}
+						// Adds some spacing from the Tooltip content
+						className="py-2"
 						data-testid={`${severity}-notifications`}
 					>
 						<NotificationPill
@@ -94,10 +95,12 @@ interface NotificationItemProps {
 
 const NotificationItem: FC<NotificationItemProps> = ({ notification }) => {
 	return (
-		<article css={styles.notificationItem}>
+		<article className="p-5 leading-normal border-0 border-t border-solid first:border-t-0">
 			<h4 className="m-0 font-medium">{notification.title}</h4>
 			{notification.detail && (
-				<p css={styles.notificationDetail}>{notification.detail}</p>
+				<p className="m-0 text-content-secondary leading-relaxed block mt-2">
+					{notification.detail}
+				</p>
 			)}
 			<div className="mt-2 flex items-center gap-1">{notification.actions}</div>
 		</article>
@@ -107,26 +110,3 @@ const NotificationItem: FC<NotificationItemProps> = ({ notification }) => {
 export const NotificationActionButton: FC<ButtonProps> = (props) => {
 	return <Button variant="default" size="sm" {...props} />;
 };
-
-const styles = {
-	// Adds some spacing from the Tooltip content
-	pillContainer: {
-		padding: "8px 0",
-	},
-	notificationItem: (theme) => ({
-		padding: 20,
-		lineHeight: "1.5",
-		borderTop: `1px solid ${theme.palette.divider}`,
-
-		"&:first-of-type": {
-			borderTop: 0,
-		},
-	}),
-	notificationDetail: (theme) => ({
-		margin: 0,
-		color: theme.palette.text.secondary,
-		lineHeight: 1.6,
-		display: "block",
-		marginTop: 8,
-	}),
-} satisfies Record<string, Interpolation<Theme>>;
diff --git a/site/src/pages/WorkspacePage/WorkspaceNotifications/WorkspaceNotifications.tsx b/site/src/pages/WorkspacePage/WorkspaceNotifications/WorkspaceNotifications.tsx
index 019a656667..8d3b27f183 100644
--- a/site/src/pages/WorkspacePage/WorkspaceNotifications/WorkspaceNotifications.tsx
+++ b/site/src/pages/WorkspacePage/WorkspaceNotifications/WorkspaceNotifications.tsx
@@ -1,4 +1,3 @@
-import type { Interpolation, Theme } from "@emotion/react";
 import dayjs from "dayjs";
 import relativeTime from "dayjs/plugin/relativeTime";
 import { InfoIcon, TriangleAlertIcon } from "lucide-react";
@@ -239,7 +238,7 @@ export const WorkspaceNotifications: FC<WorkspaceNotificationsProps> = ({
 	}
 
 	return (
-		<div css={styles.notificationsGroup}>
+		<div className="flex items-center gap-3">
 			{infoNotifications.length > 0 && (
 				<Notifications
 					items={infoNotifications}
@@ -259,14 +258,6 @@ export const WorkspaceNotifications: FC<WorkspaceNotificationsProps> = ({
 	);
 };
 
-const styles = {
-	notificationsGroup: {
-		display: "flex",
-		alignItems: "center",
-		gap: 12,
-	},
-} satisfies Record<string, Interpolation<Theme>>;
-
 const findTroubleshootingURL = (
 	workspaceBuild: WorkspaceBuild,
 ): string | undefined => {
diff --git a/site/src/pages/WorkspacePage/WorkspaceScheduleControls.tsx b/site/src/pages/WorkspacePage/WorkspaceScheduleControls.tsx
index 822e777389..d6c9c2df47 100644
--- a/site/src/pages/WorkspacePage/WorkspaceScheduleControls.tsx
+++ b/site/src/pages/WorkspacePage/WorkspaceScheduleControls.tsx
@@ -1,4 +1,3 @@
-import type { Interpolation, Theme } from "@emotion/react";
 import Link, { type LinkProps } from "@mui/material/Link";
 import dayjs, { type Dayjs } from "dayjs";
 import { ClockIcon, MinusIcon, PlusIcon } from "lucide-react";
@@ -21,6 +20,7 @@ import {
 } from "#/components/Tooltip/Tooltip";
 import { useTime } from "#/hooks/useTime";
 import { getWorkspaceActivityStatus } from "#/modules/workspaces/activity";
+import { cn } from "#/utils/cn";
 import {
 	autostartDisplay,
 	autostopDisplay,
@@ -55,7 +55,10 @@ const WorkspaceScheduleContainer: FC<WorkspaceScheduleContainerProps> = ({
 							type="button"
 							data-testid="schedule-icon-button"
 							onClick={onClickIcon}
-							css={styles.scheduleIconButton}
+							className={cn(
+								"flex items-center bg-transparent border-0 p-0",
+								"[font-size:inherit] leading-[inherit] cursor-pointer",
+							)}
 						>
 							{icon}
 						</button>
@@ -86,7 +89,10 @@ export const WorkspaceScheduleControls: FC<WorkspaceScheduleControlsProps> = ({
 	}
 
 	return (
-		<div css={styles.scheduleValue} data-testid="schedule-controls">
+		<div
+			className="flex items-center gap-3 [font-variant-numeric:tabular-nums]"
+			data-testid="schedule-controls"
+		>
 			{isWorkspaceOn(workspace) ? (
 				<AutostopDisplay
 					workspace={workspace}
@@ -198,19 +204,14 @@ const AutostopDisplay: FC<AutostopDisplayProps> = ({
 	const display = (
 		<ScheduleSettingsLink
 			data-testid="schedule-controls-autostop"
-			css={
-				danger &&
-				((theme) => ({
-					color: `${theme.roles.danger.fill.outline} !important`,
-				}))
-			}
+			className={cn(danger && "!text-content-destructive")}
 		>
 			{message}
 		</ScheduleSettingsLink>
 	);
 
 	const controls = canUpdateSchedule && canEditDeadline(workspace) && (
-		<div css={styles.scheduleControls}>
+		<div className="flex items-center gap-1">
 			<Tooltip>
 				<TooltipTrigger asChild>
 					<Button
@@ -298,29 +299,3 @@ const shouldDisplayScheduleControls = (workspace: Workspace): boolean => {
 	const willAutoStart = !isWorkspaceOn(workspace) && hasAutoStart(workspace);
 	return willAutoStop || willAutoStart;
 };
-
-const styles = {
-	scheduleIconButton: {
-		display: "flex",
-		alignItems: "center",
-		background: "transparent",
-		border: 0,
-		padding: 0,
-		fontSize: "inherit",
-		lineHeight: "inherit",
-		cursor: "pointer",
-	},
-
-	scheduleValue: {
-		display: "flex",
-		alignItems: "center",
-		gap: 12,
-		fontVariantNumeric: "tabular-nums",
-	},
-
-	scheduleControls: {
-		display: "flex",
-		alignItems: "center",
-		gap: 4,
-	},
-} satisfies Record<string, Interpolation<Theme>>;
diff --git a/site/src/pages/WorkspacePage/WorkspaceTopbar.tsx b/site/src/pages/WorkspacePage/WorkspaceTopbar.tsx
index 51b1195b27..030237dde4 100644
--- a/site/src/pages/WorkspacePage/WorkspaceTopbar.tsx
+++ b/site/src/pages/WorkspacePage/WorkspaceTopbar.tsx
@@ -1,4 +1,3 @@
-import type { Interpolation, Theme } from "@emotion/react";
 import Link from "@mui/material/Link";
 import { ChevronLeftIcon, CircleDollarSignIcon, TrashIcon } from "lucide-react";
 import type { FC } from "react";
@@ -30,6 +29,7 @@ import {
 import { useDashboard } from "#/modules/dashboard/useDashboard";
 import { linkToTemplate, useLinks } from "#/modules/navigation";
 import { WorkspaceStatusIndicator } from "#/modules/workspaces/WorkspaceStatusIndicator/WorkspaceStatusIndicator";
+import { cn } from "#/utils/cn";
 import { displayDormantDeletion } from "#/utils/dormant";
 import { formatDate } from "#/utils/time";
 import type { WorkspacePermissions } from "../../modules/workspaces/permissions";
@@ -37,7 +37,13 @@ import { WorkspaceActions } from "./WorkspaceActions/WorkspaceActions";
 import { WorkspaceNotifications } from "./WorkspaceNotifications/WorkspaceNotifications";
 import { WorkspaceScheduleControls } from "./WorkspaceScheduleControls";
 
-interface WorkspaceProps {
+const BREADCRUMB_SEGMENT_CLASS = cn(
+	"flex items-center flex-row flex-nowrap gap-2",
+	"max-w-40 whitespace-nowrap cursor-default",
+);
+const BREADCRUMB_TEXT_CLASS = "overflow-x-hidden text-ellipsis";
+
+interface WorkspaceTopbarProps {
 	isUpdating: boolean;
 	isRestarting: boolean;
 	workspace: TypesGen.Workspace;
@@ -55,7 +61,7 @@ interface WorkspaceProps {
 	handleToggleFavorite: () => void;
 }
 
-export const WorkspaceTopbar: FC<WorkspaceProps> = ({
+export const WorkspaceTopbar: FC<WorkspaceTopbarProps> = ({
 	workspace,
 	template,
 	latestVersion,
@@ -263,9 +269,9 @@ const OwnerBreadcrumb: FC<OwnerBreadcrumbProps> = ({
 	return (
 		<HelpPopover>
 			<HelpPopoverTrigger asChild>
-				<span css={styles.breadcrumbSegment}>
+				<span className={BREADCRUMB_SEGMENT_CLASS}>
 					<Avatar size="sm" fallback={ownerName} src={ownerAvatarUrl} />
-					<span css={styles.breadcrumbText}>{ownerName}</span>
+					<span className={BREADCRUMB_TEXT_CLASS}>{ownerName}</span>
 				</span>
 			</HelpPopoverTrigger>
 
@@ -290,14 +296,14 @@ const OrganizationBreadcrumb: FC<OrganizationBreadcrumbProps> = ({
 	return (
 		<HelpPopover>
 			<HelpPopoverTrigger asChild>
-				<span css={styles.breadcrumbSegment}>
+				<span className={BREADCRUMB_SEGMENT_CLASS}>
 					<Avatar
 						size="sm"
 						variant="icon"
 						src={orgIconUrl}
 						fallback={orgName}
 					/>
-					<span css={styles.breadcrumbText}>{orgName}</span>
+					<span className={BREADCRUMB_TEXT_CLASS}>{orgName}</span>
 				</span>
 			</HelpPopoverTrigger>
 
@@ -355,13 +361,13 @@ const WorkspaceBreadcrumb: FC<WorkspaceBreadcrumbProps> = ({
 		<div className="flex items-center">
 			<HelpPopover>
 				<HelpPopoverTrigger asChild>
-					<span css={styles.breadcrumbSegment}>
+					<span className={BREADCRUMB_SEGMENT_CLASS}>
 						<TopbarAvatar
 							src={templateIconUrl}
 							fallback={templateDisplayName}
 						/>
 
-						<span css={[styles.breadcrumbText, { fontWeight: 500 }]}>
+						<span className={cn(BREADCRUMB_TEXT_CLASS, "font-medium")}>
 							{workspaceName}
 						</span>
 					</span>
@@ -403,20 +409,3 @@ const WorkspaceBreadcrumb: FC<WorkspaceBreadcrumbProps> = ({
 		</div>
 	);
 };
-
-const styles = {
-	breadcrumbSegment: {
-		display: "flex",
-		alignItems: "center",
-		flexFlow: "row nowrap",
-		gap: "8px",
-		maxWidth: "160px",
-		whiteSpace: "nowrap",
-		cursor: "default",
-	},
-
-	breadcrumbText: {
-		overflowX: "hidden",
-		textOverflow: "ellipsis",
-	},
-} satisfies Record<string, Interpolation<Theme>>;
diff --git a/site/src/pages/WorkspaceSettingsPage/WorkspaceParametersPage/WorkspaceParametersPage.tsx b/site/src/pages/WorkspaceSettingsPage/WorkspaceParametersPage/WorkspaceParametersPage.tsx
index f321e91182..4e05f8a119 100644
--- a/site/src/pages/WorkspaceSettingsPage/WorkspaceParametersPage/WorkspaceParametersPage.tsx
+++ b/site/src/pages/WorkspaceSettingsPage/WorkspaceParametersPage/WorkspaceParametersPage.tsx
@@ -185,10 +185,7 @@ export const WorkspaceParametersPageView: FC<
 								</a>
 							</Button>
 						}
-						css={(theme) => ({
-							border: `1px solid ${theme.palette.divider}`,
-							borderRadius: 8,
-						})}
+						className="border border-solid rounded-lg"
 					/>
 				)
 			) : (