feat: themes (#4824)

proto/api/v1/workspace_service.proto

@@ -72,25 +72,28 @@ message WorkspaceSetting {
 }
 
 message WorkspaceGeneralSetting {
+  // theme is the name of the selected theme.
+  // This references a CSS file in the web/public/themes/ directory.
+  string theme = 1;
   // disallow_user_registration disallows user registration.
-  bool disallow_user_registration = 1;
+  bool disallow_user_registration = 2;
   // disallow_password_auth disallows password authentication.
-  bool disallow_password_auth = 2;
+  bool disallow_password_auth = 3;
   // additional_script is the additional script.
-  string additional_script = 3;
+  string additional_script = 4;
   // additional_style is the additional style.
-  string additional_style = 4;
+  string additional_style = 5;
   // custom_profile is the custom profile.
-  WorkspaceCustomProfile custom_profile = 5;
+  WorkspaceCustomProfile custom_profile = 6;
   // week_start_day_offset is the week start day offset from Sunday.
   // 0: Sunday, 1: Monday, 2: Tuesday, 3: Wednesday, 4: Thursday, 5: Friday, 6: Saturday
   // Default is Sunday.
-  int32 week_start_day_offset = 6;
+  int32 week_start_day_offset = 7;
 
   // disallow_change_username disallows changing username.
-  bool disallow_change_username = 7;
+  bool disallow_change_username = 8;
   // disallow_change_nickname disallows changing nickname.
-  bool disallow_change_nickname = 8;
+  bool disallow_change_nickname = 9;
 }
 
 message WorkspaceCustomProfile {

proto/gen/api/v1/workspace_service.pb.go

@@ -300,24 +300,27 @@ func (*WorkspaceSetting_MemoRelatedSetting) isWorkspaceSetting_Value() {}
 
 type WorkspaceGeneralSetting struct {
 	state protoimpl.MessageState `protogen:"open.v1"`
+	// theme is the name of the selected theme.
+	// This references a CSS file in the web/public/themes/ directory.
+	Theme string `protobuf:"bytes,1,opt,name=theme,proto3" json:"theme,omitempty"`
 	// disallow_user_registration disallows user registration.
-	DisallowUserRegistration bool `protobuf:"varint,1,opt,name=disallow_user_registration,json=disallowUserRegistration,proto3" json:"disallow_user_registration,omitempty"`
+	DisallowUserRegistration bool `protobuf:"varint,2,opt,name=disallow_user_registration,json=disallowUserRegistration,proto3" json:"disallow_user_registration,omitempty"`
 	// disallow_password_auth disallows password authentication.
-	DisallowPasswordAuth bool `protobuf:"varint,2,opt,name=disallow_password_auth,json=disallowPasswordAuth,proto3" json:"disallow_password_auth,omitempty"`
+	DisallowPasswordAuth bool `protobuf:"varint,3,opt,name=disallow_password_auth,json=disallowPasswordAuth,proto3" json:"disallow_password_auth,omitempty"`
 	// additional_script is the additional script.
-	AdditionalScript string `protobuf:"bytes,3,opt,name=additional_script,json=additionalScript,proto3" json:"additional_script,omitempty"`
+	AdditionalScript string `protobuf:"bytes,4,opt,name=additional_script,json=additionalScript,proto3" json:"additional_script,omitempty"`
 	// additional_style is the additional style.
-	AdditionalStyle string `protobuf:"bytes,4,opt,name=additional_style,json=additionalStyle,proto3" json:"additional_style,omitempty"`
+	AdditionalStyle string `protobuf:"bytes,5,opt,name=additional_style,json=additionalStyle,proto3" json:"additional_style,omitempty"`
 	// custom_profile is the custom profile.
-	CustomProfile *WorkspaceCustomProfile `protobuf:"bytes,5,opt,name=custom_profile,json=customProfile,proto3" json:"custom_profile,omitempty"`
+	CustomProfile *WorkspaceCustomProfile `protobuf:"bytes,6,opt,name=custom_profile,json=customProfile,proto3" json:"custom_profile,omitempty"`
 	// week_start_day_offset is the week start day offset from Sunday.
 	// 0: Sunday, 1: Monday, 2: Tuesday, 3: Wednesday, 4: Thursday, 5: Friday, 6: Saturday
 	// Default is Sunday.
-	WeekStartDayOffset int32 `protobuf:"varint,6,opt,name=week_start_day_offset,json=weekStartDayOffset,proto3" json:"week_start_day_offset,omitempty"`
+	WeekStartDayOffset int32 `protobuf:"varint,7,opt,name=week_start_day_offset,json=weekStartDayOffset,proto3" json:"week_start_day_offset,omitempty"`
 	// disallow_change_username disallows changing username.
-	DisallowChangeUsername bool `protobuf:"varint,7,opt,name=disallow_change_username,json=disallowChangeUsername,proto3" json:"disallow_change_username,omitempty"`
+	DisallowChangeUsername bool `protobuf:"varint,8,opt,name=disallow_change_username,json=disallowChangeUsername,proto3" json:"disallow_change_username,omitempty"`
 	// disallow_change_nickname disallows changing nickname.
-	DisallowChangeNickname bool `protobuf:"varint,8,opt,name=disallow_change_nickname,json=disallowChangeNickname,proto3" json:"disallow_change_nickname,omitempty"`
+	DisallowChangeNickname bool `protobuf:"varint,9,opt,name=disallow_change_nickname,json=disallowChangeNickname,proto3" json:"disallow_change_nickname,omitempty"`
 	unknownFields          protoimpl.UnknownFields
 	sizeCache              protoimpl.SizeCache
 }
@@ -352,6 +355,13 @@ func (*WorkspaceGeneralSetting) Descriptor() ([]byte, []int) {
 	return file_api_v1_workspace_service_proto_rawDescGZIP(), []int{3}
 }
 
+func (x *WorkspaceGeneralSetting) GetTheme() string {
+	if x != nil {
+		return x.Theme
+	}
+	return ""
+}
+
 func (x *WorkspaceGeneralSetting) GetDisallowUserRegistration() bool {
 	if x != nil {
 		return x.DisallowUserRegistration
@@ -887,16 +897,17 @@ const file_api_v1_workspace_service_proto_rawDesc = "" +
 	"\x0fstorage_setting\x18\x03 \x01(\v2%.memos.api.v1.WorkspaceStorageSettingH\x00R\x0estorageSetting\x12]\n" +
 	"\x14memo_related_setting\x18\x04 \x01(\v2).memos.api.v1.WorkspaceMemoRelatedSettingH\x00R\x12memoRelatedSetting:f\xeaAc\n" +
 	"\x1eapi.memos.dev/WorkspaceSetting\x12\x1cworkspace/settings/{setting}*\x11workspaceSettings2\x10workspaceSettingB\a\n" +
-	"\x05value\"\xd9\x03\n" +
-	"\x17WorkspaceGeneralSetting\x12<\n" +
-	"\x1adisallow_user_registration\x18\x01 \x01(\bR\x18disallowUserRegistration\x124\n" +
-	"\x16disallow_password_auth\x18\x02 \x01(\bR\x14disallowPasswordAuth\x12+\n" +
-	"\x11additional_script\x18\x03 \x01(\tR\x10additionalScript\x12)\n" +
-	"\x10additional_style\x18\x04 \x01(\tR\x0fadditionalStyle\x12K\n" +
-	"\x0ecustom_profile\x18\x05 \x01(\v2$.memos.api.v1.WorkspaceCustomProfileR\rcustomProfile\x121\n" +
-	"\x15week_start_day_offset\x18\x06 \x01(\x05R\x12weekStartDayOffset\x128\n" +
-	"\x18disallow_change_username\x18\a \x01(\bR\x16disallowChangeUsername\x128\n" +
-	"\x18disallow_change_nickname\x18\b \x01(\bR\x16disallowChangeNickname\"\xa3\x01\n" +
+	"\x05value\"\xef\x03\n" +
+	"\x17WorkspaceGeneralSetting\x12\x14\n" +
+	"\x05theme\x18\x01 \x01(\tR\x05theme\x12<\n" +
+	"\x1adisallow_user_registration\x18\x02 \x01(\bR\x18disallowUserRegistration\x124\n" +
+	"\x16disallow_password_auth\x18\x03 \x01(\bR\x14disallowPasswordAuth\x12+\n" +
+	"\x11additional_script\x18\x04 \x01(\tR\x10additionalScript\x12)\n" +
+	"\x10additional_style\x18\x05 \x01(\tR\x0fadditionalStyle\x12K\n" +
+	"\x0ecustom_profile\x18\x06 \x01(\v2$.memos.api.v1.WorkspaceCustomProfileR\rcustomProfile\x121\n" +
+	"\x15week_start_day_offset\x18\a \x01(\x05R\x12weekStartDayOffset\x128\n" +
+	"\x18disallow_change_username\x18\b \x01(\bR\x16disallowChangeUsername\x128\n" +
+	"\x18disallow_change_nickname\x18\t \x01(\bR\x16disallowChangeNickname\"\xa3\x01\n" +
 	"\x16WorkspaceCustomProfile\x12\x14\n" +
 	"\x05title\x18\x01 \x01(\tR\x05title\x12 \n" +
 	"\vdescription\x18\x02 \x01(\tR\vdescription\x12\x19\n" +

proto/gen/apidocs.swagger.yaml

@@ -2900,6 +2900,11 @@ definitions:
   apiv1WorkspaceGeneralSetting:
     type: object
     properties:
+      theme:
+        type: string
+        description: |-
+          theme is the name of the selected theme.
+          This references a CSS file in the web/public/themes/ directory.
       disallowUserRegistration:
         type: boolean
         description: disallow_user_registration disallows user registration.

proto/gen/store/workspace_setting.pb.go

@@ -313,24 +313,27 @@ func (x *WorkspaceBasicSetting) GetSchemaVersion() string {
 
 type WorkspaceGeneralSetting struct {
 	state protoimpl.MessageState `protogen:"open.v1"`
+	// theme is the name of the selected theme.
+	// This references a CSS file in the web/public/themes/ directory.
+	Theme string `protobuf:"bytes,1,opt,name=theme,proto3" json:"theme,omitempty"`
 	// disallow_user_registration disallows user registration.
-	DisallowUserRegistration bool `protobuf:"varint,1,opt,name=disallow_user_registration,json=disallowUserRegistration,proto3" json:"disallow_user_registration,omitempty"`
+	DisallowUserRegistration bool `protobuf:"varint,2,opt,name=disallow_user_registration,json=disallowUserRegistration,proto3" json:"disallow_user_registration,omitempty"`
 	// disallow_password_auth disallows password authentication.
-	DisallowPasswordAuth bool `protobuf:"varint,2,opt,name=disallow_password_auth,json=disallowPasswordAuth,proto3" json:"disallow_password_auth,omitempty"`
+	DisallowPasswordAuth bool `protobuf:"varint,3,opt,name=disallow_password_auth,json=disallowPasswordAuth,proto3" json:"disallow_password_auth,omitempty"`
 	// additional_script is the additional script.
-	AdditionalScript string `protobuf:"bytes,3,opt,name=additional_script,json=additionalScript,proto3" json:"additional_script,omitempty"`
+	AdditionalScript string `protobuf:"bytes,4,opt,name=additional_script,json=additionalScript,proto3" json:"additional_script,omitempty"`
 	// additional_style is the additional style.
-	AdditionalStyle string `protobuf:"bytes,4,opt,name=additional_style,json=additionalStyle,proto3" json:"additional_style,omitempty"`
+	AdditionalStyle string `protobuf:"bytes,5,opt,name=additional_style,json=additionalStyle,proto3" json:"additional_style,omitempty"`
 	// custom_profile is the custom profile.
-	CustomProfile *WorkspaceCustomProfile `protobuf:"bytes,5,opt,name=custom_profile,json=customProfile,proto3" json:"custom_profile,omitempty"`
+	CustomProfile *WorkspaceCustomProfile `protobuf:"bytes,6,opt,name=custom_profile,json=customProfile,proto3" json:"custom_profile,omitempty"`
 	// week_start_day_offset is the week start day offset from Sunday.
 	// 0: Sunday, 1: Monday, 2: Tuesday, 3: Wednesday, 4: Thursday, 5: Friday, 6: Saturday
 	// Default is Sunday.
-	WeekStartDayOffset int32 `protobuf:"varint,6,opt,name=week_start_day_offset,json=weekStartDayOffset,proto3" json:"week_start_day_offset,omitempty"`
+	WeekStartDayOffset int32 `protobuf:"varint,7,opt,name=week_start_day_offset,json=weekStartDayOffset,proto3" json:"week_start_day_offset,omitempty"`
 	// disallow_change_username disallows changing username.
-	DisallowChangeUsername bool `protobuf:"varint,7,opt,name=disallow_change_username,json=disallowChangeUsername,proto3" json:"disallow_change_username,omitempty"`
+	DisallowChangeUsername bool `protobuf:"varint,8,opt,name=disallow_change_username,json=disallowChangeUsername,proto3" json:"disallow_change_username,omitempty"`
 	// disallow_change_nickname disallows changing nickname.
-	DisallowChangeNickname bool `protobuf:"varint,8,opt,name=disallow_change_nickname,json=disallowChangeNickname,proto3" json:"disallow_change_nickname,omitempty"`
+	DisallowChangeNickname bool `protobuf:"varint,9,opt,name=disallow_change_nickname,json=disallowChangeNickname,proto3" json:"disallow_change_nickname,omitempty"`
 	unknownFields          protoimpl.UnknownFields
 	sizeCache              protoimpl.SizeCache
 }
@@ -365,6 +368,13 @@ func (*WorkspaceGeneralSetting) Descriptor() ([]byte, []int) {
 	return file_store_workspace_setting_proto_rawDescGZIP(), []int{2}
 }
 
+func (x *WorkspaceGeneralSetting) GetTheme() string {
+	if x != nil {
+		return x.Theme
+	}
+	return ""
+}
+
 func (x *WorkspaceGeneralSetting) GetDisallowUserRegistration() bool {
 	if x != nil {
 		return x.DisallowUserRegistration
@@ -796,16 +806,17 @@ const file_store_workspace_setting_proto_rawDesc = "" +
 	"\x15WorkspaceBasicSetting\x12\x1d\n" +
 	"\n" +
 	"secret_key\x18\x01 \x01(\tR\tsecretKey\x12%\n" +
-	"\x0eschema_version\x18\x02 \x01(\tR\rschemaVersion\"\xd8\x03\n" +
-	"\x17WorkspaceGeneralSetting\x12<\n" +
-	"\x1adisallow_user_registration\x18\x01 \x01(\bR\x18disallowUserRegistration\x124\n" +
-	"\x16disallow_password_auth\x18\x02 \x01(\bR\x14disallowPasswordAuth\x12+\n" +
-	"\x11additional_script\x18\x03 \x01(\tR\x10additionalScript\x12)\n" +
-	"\x10additional_style\x18\x04 \x01(\tR\x0fadditionalStyle\x12J\n" +
-	"\x0ecustom_profile\x18\x05 \x01(\v2#.memos.store.WorkspaceCustomProfileR\rcustomProfile\x121\n" +
-	"\x15week_start_day_offset\x18\x06 \x01(\x05R\x12weekStartDayOffset\x128\n" +
-	"\x18disallow_change_username\x18\a \x01(\bR\x16disallowChangeUsername\x128\n" +
-	"\x18disallow_change_nickname\x18\b \x01(\bR\x16disallowChangeNickname\"\xa3\x01\n" +
+	"\x0eschema_version\x18\x02 \x01(\tR\rschemaVersion\"\xee\x03\n" +
+	"\x17WorkspaceGeneralSetting\x12\x14\n" +
+	"\x05theme\x18\x01 \x01(\tR\x05theme\x12<\n" +
+	"\x1adisallow_user_registration\x18\x02 \x01(\bR\x18disallowUserRegistration\x124\n" +
+	"\x16disallow_password_auth\x18\x03 \x01(\bR\x14disallowPasswordAuth\x12+\n" +
+	"\x11additional_script\x18\x04 \x01(\tR\x10additionalScript\x12)\n" +
+	"\x10additional_style\x18\x05 \x01(\tR\x0fadditionalStyle\x12J\n" +
+	"\x0ecustom_profile\x18\x06 \x01(\v2#.memos.store.WorkspaceCustomProfileR\rcustomProfile\x121\n" +
+	"\x15week_start_day_offset\x18\a \x01(\x05R\x12weekStartDayOffset\x128\n" +
+	"\x18disallow_change_username\x18\b \x01(\bR\x16disallowChangeUsername\x128\n" +
+	"\x18disallow_change_nickname\x18\t \x01(\bR\x16disallowChangeNickname\"\xa3\x01\n" +
 	"\x16WorkspaceCustomProfile\x12\x14\n" +
 	"\x05title\x18\x01 \x01(\tR\x05title\x12 \n" +
 	"\vdescription\x18\x02 \x01(\tR\vdescription\x12\x19\n" +

proto/store/workspace_setting.proto

@@ -34,25 +34,27 @@ message WorkspaceBasicSetting {
 }
 
 message WorkspaceGeneralSetting {
+  // theme is the name of the selected theme.
+  // This references a CSS file in the web/public/themes/ directory.
+  string theme = 1;
   // disallow_user_registration disallows user registration.
-  bool disallow_user_registration = 1;
+  bool disallow_user_registration = 2;
   // disallow_password_auth disallows password authentication.
-  bool disallow_password_auth = 2;
+  bool disallow_password_auth = 3;
   // additional_script is the additional script.
-  string additional_script = 3;
+  string additional_script = 4;
   // additional_style is the additional style.
-  string additional_style = 4;
+  string additional_style = 5;
   // custom_profile is the custom profile.
-  WorkspaceCustomProfile custom_profile = 5;
+  WorkspaceCustomProfile custom_profile = 6;
   // week_start_day_offset is the week start day offset from Sunday.
   // 0: Sunday, 1: Monday, 2: Tuesday, 3: Wednesday, 4: Thursday, 5: Friday, 6: Saturday
   // Default is Sunday.
-  int32 week_start_day_offset = 6;
-
+  int32 week_start_day_offset = 7;
   // disallow_change_username disallows changing username.
-  bool disallow_change_username = 7;
+  bool disallow_change_username = 8;
   // disallow_change_nickname disallows changing nickname.
-  bool disallow_change_nickname = 8;
+  bool disallow_change_nickname = 9;
 }
 
 message WorkspaceCustomProfile {

server/router/api/v1/workspace_service.go

@@ -150,6 +150,7 @@ func convertWorkspaceGeneralSettingFromStore(setting *storepb.WorkspaceGeneralSe
 		return nil
 	}
 	generalSetting := &v1pb.WorkspaceGeneralSetting{
+		Theme:                    setting.Theme,
 		DisallowUserRegistration: setting.DisallowUserRegistration,
 		DisallowPasswordAuth:     setting.DisallowPasswordAuth,
 		AdditionalScript:         setting.AdditionalScript,
@@ -175,6 +176,7 @@ func convertWorkspaceGeneralSettingToStore(setting *v1pb.WorkspaceGeneralSetting
 		return nil
 	}
 	generalSetting := &storepb.WorkspaceGeneralSetting{
+		Theme:                    setting.Theme,
 		DisallowUserRegistration: setting.DisallowUserRegistration,
 		DisallowPasswordAuth:     setting.DisallowPasswordAuth,
 		AdditionalScript:         setting.AdditionalScript,

web/components.json

@@ -5,7 +5,7 @@
   "tsx": true,
   "tailwind": {
     "config": "",
-    "css": "src/style.css",
+    "css": "src/index.css",
     "baseColor": "zinc",
     "cssVariables": true,
     "prefix": ""

web/src/App.tsx

@@ -5,6 +5,7 @@ import { Outlet } from "react-router-dom";
 import { getSystemColorScheme } from "./helpers/utils";
 import useNavigateTo from "./hooks/useNavigateTo";
 import { userStore, workspaceStore } from "./store/v2";
+import { loadTheme } from "./utils/theme";
 
 const App = observer(() => {
   const { i18n } = useTranslation();
@@ -103,6 +104,11 @@ const App = observer(() => {
     });
   }, [userSetting?.locale, userSetting?.appearance]);
 
+  // Load theme when workspace setting changes, validate API response
+  useEffect(() => {
+    loadTheme(workspaceGeneralSetting.theme);
+  }, [workspaceGeneralSetting.theme]);
+
   return <Outlet />;
 });
 

web/src/components/Settings/WorkspaceSection.tsx

@@ -17,6 +17,7 @@ import { WorkspaceSettingKey } from "@/store/v2/workspace";
 import { IdentityProvider } from "@/types/proto/api/v1/idp_service";
 import { WorkspaceGeneralSetting } from "@/types/proto/api/v1/workspace_service";
 import { useTranslate } from "@/utils/i18n";
+import ThemeSelector from "../ThemeSelector";
 import UpdateCustomizedProfileDialog from "../UpdateCustomizedProfileDialog";
 
 const WorkspaceSection = observer(() => {
@@ -82,6 +83,14 @@ const WorkspaceSection = observer(() => {
       </div>
       <Separator />
       <p className="font-medium text-foreground">{t("setting.system-section.title")}</p>
+      <div className="w-full flex flex-row justify-between items-center">
+        <span>Theme</span>
+        <ThemeSelector
+          value={workspaceGeneralSetting.theme || "default"}
+          onValueChange={(value) => updatePartialSetting({ theme: value })}
+          className="min-w-fit"
+        />
+      </div>
       <div className="w-full flex flex-row justify-between items-center">
         <span>{t("setting.system-section.additional-style")}</span>
       </div>

web/src/components/ThemeSelector.tsx

+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
+
+interface ThemeSelectorProps {
+  value?: string;
+  onValueChange: (value: string) => void;
+  className?: string;
+}
+
+const THEMES = [
+  { value: "default", label: "Default" },
+  { value: "paper", label: "Paper" },
+] as const;
+
+export const ThemeSelector = ({ value = "default", onValueChange, className }: ThemeSelectorProps) => {
+  return (
+    <Select value={value} onValueChange={onValueChange}>
+      <SelectTrigger className={className}>
+        <SelectValue />
+      </SelectTrigger>
+      <SelectContent>
+        {THEMES.map((theme) => (
+          <SelectItem key={theme.value} value={theme.value}>
+            {theme.label}
+          </SelectItem>
+        ))}
+      </SelectContent>
+    </Select>
+  );
+};
+
+export default ThemeSelector;

web/src/components/ui/dropdown-menu.tsx

@@ -6,7 +6,8 @@ import { cn } from "@/lib/utils";
 const DropdownMenu = React.forwardRef<
   React.ElementRef<typeof DropdownMenuPrimitive.Root>,
   React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.Root>
->(({ ...props }) => {
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
+>(({ ...props }, _ref) => {
   return <DropdownMenuPrimitive.Root data-slot="dropdown-menu" {...props} />;
 });
 DropdownMenu.displayName = "DropdownMenu";

web/src/components/ui/popover.tsx

@@ -5,7 +5,8 @@ import { cn } from "@/lib/utils";
 const Popover = React.forwardRef<
   React.ElementRef<typeof PopoverPrimitive.Root>,
   React.ComponentPropsWithoutRef<typeof PopoverPrimitive.Root>
->(({ ...props }) => {
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
+>(({ ...props }, _ref) => {
   return <PopoverPrimitive.Root data-slot="popover" {...props} />;
 });
 Popover.displayName = "Popover";

web/src/components/ui/sheet.tsx

@@ -4,7 +4,8 @@ import * as React from "react";
 import { cn } from "@/lib/utils";
 
 const Sheet = React.forwardRef<React.ElementRef<typeof SheetPrimitive.Root>, React.ComponentPropsWithoutRef<typeof SheetPrimitive.Root>>(
-  ({ ...props }) => {
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
+  ({ ...props }, _ref) => {
     return <SheetPrimitive.Root data-slot="sheet" {...props} />;
   },
 );

web/src/components/ui/tooltip.tsx

@@ -5,7 +5,8 @@ import { cn } from "@/lib/utils";
 const TooltipProvider = React.forwardRef<
   React.ElementRef<typeof TooltipPrimitive.Provider>,
   React.ComponentPropsWithoutRef<typeof TooltipPrimitive.Provider>
->(({ delayDuration = 0, ...props }) => {
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
+>(({ delayDuration = 0, ...props }, _ref) => {
   return <TooltipPrimitive.Provider data-slot="tooltip-provider" delayDuration={delayDuration} {...props} />;
 });
 TooltipProvider.displayName = "TooltipProvider";
@@ -13,7 +14,8 @@ TooltipProvider.displayName = "TooltipProvider";
 const Tooltip = React.forwardRef<
   React.ElementRef<typeof TooltipPrimitive.Root>,
   React.ComponentPropsWithoutRef<typeof TooltipPrimitive.Root>
->(({ ...props }) => {
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
+>(({ ...props }, _ref) => {
   return (
     <TooltipProvider>
       <TooltipPrimitive.Root data-slot="tooltip" {...props} />

web/src/index.css

 @import "tailwindcss";
 @import "tw-animate-css";
-@import "./style.css";
+@import "./themes/default.css";
 
 @custom-variant dark (&: is(.dark *));
 

web/src/theme/index.ts

-// Theme configuration for Tailwind CSS v4
-// This file is kept for compatibility but no longer used for MUI theme configuration
-// All styling is now handled by Tailwind CSS
-
-export default {};

web/src/themes/paper.css

+:root {
+  --background: oklch(0.9765 0.0086 85.8732);
+  --foreground: oklch(0.2147 0.0157 68.4253);
+  --card: oklch(0.9765 0.0086 85.8732);
+  --card-foreground: oklch(0.1725 0.0098 72.3456);
+  --popover: oklch(0.9882 0.0049 81.2547);
+  --popover-foreground: oklch(0.2058 0.0127 70.1823);
+  --primary: oklch(0.4627 0.0471 52.3674);
+  --primary-foreground: oklch(0.9765 0.0086 85.8732);
+  --secondary: oklch(0.9412 0.0196 78.9456);
+  --secondary-foreground: oklch(0.3725 0.0235 65.7412);
+  --muted: oklch(0.9294 0.0216 82.1567);
+  --muted-foreground: oklch(0.5294 0.0157 69.8745);
+  --accent: oklch(0.9412 0.0196 78.9456);
+  --accent-foreground: oklch(0.2058 0.0127 70.1823);
+  --destructive: oklch(0.4118 0.0392 25.6734);
+  --destructive-foreground: oklch(0.9647 0.0078 88.2341);
+  --border: oklch(0.8824 0.0157 79.3627);
+  --input: oklch(0.8235 0.0196 82.1456);
+  --ring: oklch(0.4627 0.0471 52.3674);
+  --chart-1: oklch(0.5686 0.0549 42.7834);
+  --chart-2: oklch(0.6275 0.0392 85.6723);
+  --chart-3: oklch(0.7843 0.0235 78.9456);
+  --chart-4: oklch(0.7451 0.0314 68.2341);
+  --chart-5: oklch(0.5412 0.0431 55.8934);
+  --sidebar: oklch(0.9647 0.0118 83.7892);
+  --sidebar-foreground: oklch(0.2941 0.0196 67.6524);
+  --sidebar-primary: oklch(0.4627 0.0471 52.3674);
+  --sidebar-primary-foreground: oklch(0.9765 0.0086 85.8732);
+  --sidebar-accent: oklch(0.9412 0.0196 78.9456);
+  --sidebar-accent-foreground: oklch(0.2647 0.0157 71.2341);
+  --sidebar-border: oklch(0.9294 0.0137 80.5674);
+  --sidebar-ring: oklch(0.7647 0.0235 75.8934);
+  --font-sans:
+    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif,
+    "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+  --font-serif: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
+  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
+  --radius: 0.5rem;
+  --shadow-2xs: 0 1px 3px 0px hsl(34 12% 15% / 0.04);
+  --shadow-xs: 0 1px 3px 0px hsl(34 12% 15% / 0.04);
+  --shadow-sm: 0 1px 3px 0px hsl(34 12% 15% / 0.08), 0 1px 2px -1px hsl(34 12% 15% / 0.08);
+  --shadow: 0 1px 3px 0px hsl(34 12% 15% / 0.08), 0 1px 2px -1px hsl(34 12% 15% / 0.08);
+  --shadow-md: 0 1px 3px 0px hsl(34 12% 15% / 0.08), 0 2px 4px -1px hsl(34 12% 15% / 0.08);
+  --shadow-lg: 0 1px 3px 0px hsl(34 12% 15% / 0.08), 0 4px 6px -1px hsl(34 12% 15% / 0.08);
+  --shadow-xl: 0 1px 3px 0px hsl(34 12% 15% / 0.08), 0 8px 10px -1px hsl(34 12% 15% / 0.08);
+  --shadow-2xl: 0 1px 3px 0px hsl(34 12% 15% / 0.18);
+  --tracking-normal: 0em;
+  --spacing: 0.25rem;
+}
+
+.dark {
+  --background: oklch(0.1608 0.0118 68.4253);
+  --foreground: oklch(0.8627 0.0196 82.1456);
+  --card: oklch(0.1608 0.0118 68.4253);
+  --card-foreground: oklch(0.8824 0.0157 84.5674);
+  --popover: oklch(0.2118 0.0137 71.2341);
+  --popover-foreground: oklch(0.8706 0.0176 83.8934);
+  --primary: oklch(0.6863 0.0392 52.3674);
+  --primary-foreground: oklch(0.1608 0.0118 68.4253);
+  --secondary: oklch(0.2745 0.0157 72.8934);
+  --secondary-foreground: oklch(0.8627 0.0196 82.1456);
+  --muted: oklch(0.1961 0.0098 69.7823);
+  --muted-foreground: oklch(0.6471 0.0196 78.9456);
+  --accent: oklch(0.2549 0.0118 70.5674);
+  --accent-foreground: oklch(0.8627 0.0196 82.1456);
+  --destructive: oklch(0.5294 0.0314 25.6734);
+  --destructive-foreground: oklch(0.9647 0.0078 88.2341);
+  --border: oklch(0.3137 0.0157 71.8928);
+  --input: oklch(0.3725 0.0176 73.2195);
+  --ring: oklch(0.6863 0.0392 52.3674);
+  --chart-1: oklch(0.5686 0.0549 42.7834);
+  --chart-2: oklch(0.6275 0.0392 85.6723);
+  --chart-3: oklch(0.4706 0.0196 75.2341);
+  --chart-4: oklch(0.3529 0.0235 71.8934);
+  --chart-5: oklch(0.5412 0.0431 55.8934);
+  --sidebar: oklch(0.1412 0.0098 66.7077);
+  --sidebar-foreground: oklch(0.8627 0.0196 82.1456);
+  --sidebar-primary: oklch(0.6863 0.0392 52.3674);
+  --sidebar-primary-foreground: oklch(0.1608 0.0118 68.4253);
+  --sidebar-accent: oklch(0.2353 0.0118 69.8934);
+  --sidebar-accent-foreground: oklch(0.8627 0.0196 82.1456);
+  --sidebar-border: oklch(0.3137 0.0157 71.8928);
+  --sidebar-ring: oklch(0.6863 0.0392 52.3674);
+  --font-sans:
+    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif,
+    "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+  --font-serif: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
+  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
+  --radius: 0.5rem;
+  --shadow-2xs: 0 1px 3px 0px hsl(0 0% 0% / 0.05);
+  --shadow-xs: 0 1px 3px 0px hsl(0 0% 0% / 0.05);
+  --shadow-sm: 0 1px 3px 0px hsl(0 0% 0% / 0.1), 0 1px 2px -1px hsl(0 0% 0% / 0.1);
+  --shadow: 0 1px 3px 0px hsl(0 0% 0% / 0.1), 0 1px 2px -1px hsl(0 0% 0% / 0.1);
+  --shadow-md: 0 1px 3px 0px hsl(0 0% 0% / 0.1), 0 2px 4px -1px hsl(0 0% 0% / 0.1);
+  --shadow-lg: 0 1px 3px 0px hsl(0 0% 0% / 0.1), 0 4px 6px -1px hsl(0 0% 0% / 0.1);
+  --shadow-xl: 0 1px 3px 0px hsl(0 0% 0% / 0.1), 0 8px 10px -1px hsl(0 0% 0% / 0.1);
+  --shadow-2xl: 0 1px 3px 0px hsl(0 0% 0% / 0.25);
+}
+
+@theme inline {
+  --color-background: var(--background);
+  --color-foreground: var(--foreground);
+  --color-card: var(--card);
+  --color-card-foreground: var(--card-foreground);
+  --color-popover: var(--popover);
+  --color-popover-foreground: var(--popover-foreground);
+  --color-primary: var(--primary);
+  --color-primary-foreground: var(--primary-foreground);
+  --color-secondary: var(--secondary);
+  --color-secondary-foreground: var(--secondary-foreground);
+  --color-muted: var(--muted);
+  --color-muted-foreground: var(--muted-foreground);
+  --color-accent: var(--accent);
+  --color-accent-foreground: var(--accent-foreground);
+  --color-destructive: var(--destructive);
+  --color-destructive-foreground: var(--destructive-foreground);
+  --color-border: var(--border);
+  --color-input: var(--input);
+  --color-ring: var(--ring);
+  --color-chart-1: var(--chart-1);
+  --color-chart-2: var(--chart-2);
+  --color-chart-3: var(--chart-3);
+  --color-chart-4: var(--chart-4);
+  --color-chart-5: var(--chart-5);
+  --color-sidebar: var(--sidebar);
+  --color-sidebar-foreground: var(--sidebar-foreground);
+  --color-sidebar-primary: var(--sidebar-primary);
+  --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
+  --color-sidebar-accent: var(--sidebar-accent);
+  --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
+  --color-sidebar-border: var(--sidebar-border);
+  --color-sidebar-ring: var(--sidebar-ring);
+
+  --font-sans: var(--font-sans);
+  --font-mono: var(--font-mono);
+  --font-serif: var(--font-serif);
+
+  --radius-sm: calc(var(--radius) - 4px);
+  --radius-md: calc(var(--radius) - 2px);
+  --radius-lg: var(--radius);
+  --radius-xl: calc(var(--radius) + 4px);
+
+  --shadow-2xs: var(--shadow-2xs);
+  --shadow-xs: var(--shadow-xs);
+  --shadow-sm: var(--shadow-sm);
+  --shadow: var(--shadow);
+  --shadow-md: var(--shadow-md);
+  --shadow-lg: var(--shadow-lg);
+  --shadow-xl: var(--shadow-xl);
+  --shadow-2xl: var(--shadow-2xl);
+}
\ No newline at end of file

web/src/types/proto/api/v1/workspace_service.ts

@@ -42,6 +42,11 @@ export interface WorkspaceSetting {
 }
 
 export interface WorkspaceGeneralSetting {
+  /**
+   * theme is the name of the selected theme.
+   * This references a CSS file in the web/public/themes/ directory.
+   */
+  theme: string;
   /** disallow_user_registration disallows user registration. */
   disallowUserRegistration: boolean;
   /** disallow_password_auth disallows password authentication. */
@@ -394,6 +399,7 @@ export const WorkspaceSetting: MessageFns<WorkspaceSetting> = {
 
 function createBaseWorkspaceGeneralSetting(): WorkspaceGeneralSetting {
   return {
+    theme: "",
     disallowUserRegistration: false,
     disallowPasswordAuth: false,
     additionalScript: "",
@@ -407,29 +413,32 @@ function createBaseWorkspaceGeneralSetting(): WorkspaceGeneralSetting {
 
 export const WorkspaceGeneralSetting: MessageFns<WorkspaceGeneralSetting> = {
   encode(message: WorkspaceGeneralSetting, writer: BinaryWriter = new BinaryWriter()): BinaryWriter {
+    if (message.theme !== "") {
+      writer.uint32(10).string(message.theme);
+    }
     if (message.disallowUserRegistration !== false) {
-      writer.uint32(8).bool(message.disallowUserRegistration);
+      writer.uint32(16).bool(message.disallowUserRegistration);
     }
     if (message.disallowPasswordAuth !== false) {
-      writer.uint32(16).bool(message.disallowPasswordAuth);
+      writer.uint32(24).bool(message.disallowPasswordAuth);
     }
     if (message.additionalScript !== "") {
-      writer.uint32(26).string(message.additionalScript);
+      writer.uint32(34).string(message.additionalScript);
     }
     if (message.additionalStyle !== "") {
-      writer.uint32(34).string(message.additionalStyle);
+      writer.uint32(42).string(message.additionalStyle);
     }
     if (message.customProfile !== undefined) {
-      WorkspaceCustomProfile.encode(message.customProfile, writer.uint32(42).fork()).join();
+      WorkspaceCustomProfile.encode(message.customProfile, writer.uint32(50).fork()).join();
     }
     if (message.weekStartDayOffset !== 0) {
-      writer.uint32(48).int32(message.weekStartDayOffset);
+      writer.uint32(56).int32(message.weekStartDayOffset);
     }
     if (message.disallowChangeUsername !== false) {
-      writer.uint32(56).bool(message.disallowChangeUsername);
+      writer.uint32(64).bool(message.disallowChangeUsername);
     }
     if (message.disallowChangeNickname !== false) {
-      writer.uint32(64).bool(message.disallowChangeNickname);
+      writer.uint32(72).bool(message.disallowChangeNickname);
     }
     return writer;
   },
@@ -442,11 +451,11 @@ export const WorkspaceGeneralSetting: MessageFns<WorkspaceGeneralSetting> = {
       const tag = reader.uint32();
       switch (tag >>> 3) {
         case 1: {
-          if (tag !== 8) {
+          if (tag !== 10) {
             break;
           }
 
-          message.disallowUserRegistration = reader.bool();
+          message.theme = reader.string();
           continue;
         }
         case 2: {
@@ -454,15 +463,15 @@ export const WorkspaceGeneralSetting: MessageFns<WorkspaceGeneralSetting> = {
             break;
           }
 
-          message.disallowPasswordAuth = reader.bool();
+          message.disallowUserRegistration = reader.bool();
           continue;
         }
         case 3: {
-          if (tag !== 26) {
+          if (tag !== 24) {
             break;
           }
 
-          message.additionalScript = reader.string();
+          message.disallowPasswordAuth = reader.bool();
           continue;
         }
         case 4: {
@@ -470,7 +479,7 @@ export const WorkspaceGeneralSetting: MessageFns<WorkspaceGeneralSetting> = {
             break;
           }
 
-          message.additionalStyle = reader.string();
+          message.additionalScript = reader.string();
           continue;
         }
         case 5: {
@@ -478,15 +487,15 @@ export const WorkspaceGeneralSetting: MessageFns<WorkspaceGeneralSetting> = {
             break;
           }
 
-          message.customProfile = WorkspaceCustomProfile.decode(reader, reader.uint32());
+          message.additionalStyle = reader.string();
           continue;
         }
         case 6: {
-          if (tag !== 48) {
+          if (tag !== 50) {
             break;
           }
 
-          message.weekStartDayOffset = reader.int32();
+          message.customProfile = WorkspaceCustomProfile.decode(reader, reader.uint32());
           continue;
         }
         case 7: {
@@ -494,7 +503,7 @@ export const WorkspaceGeneralSetting: MessageFns<WorkspaceGeneralSetting> = {
             break;
           }
 
-          message.disallowChangeUsername = reader.bool();
+          message.weekStartDayOffset = reader.int32();
           continue;
         }
         case 8: {
@@ -502,6 +511,14 @@ export const WorkspaceGeneralSetting: MessageFns<WorkspaceGeneralSetting> = {
             break;
           }
 
+          message.disallowChangeUsername = reader.bool();
+          continue;
+        }
+        case 9: {
+          if (tag !== 72) {
+            break;
+          }
+
           message.disallowChangeNickname = reader.bool();
           continue;
         }
@@ -519,6 +536,7 @@ export const WorkspaceGeneralSetting: MessageFns<WorkspaceGeneralSetting> = {
   },
   fromPartial(object: DeepPartial<WorkspaceGeneralSetting>): WorkspaceGeneralSetting {
     const message = createBaseWorkspaceGeneralSetting();
+    message.theme = object.theme ?? "";
     message.disallowUserRegistration = object.disallowUserRegistration ?? false;
     message.disallowPasswordAuth = object.disallowPasswordAuth ?? false;
     message.additionalScript = object.additionalScript ?? "";

web/src/utils/theme.ts

+import paperThemeContent from "../themes/paper.css?raw";
+
+const VALID_THEMES = ["default", "paper"] as const;
+type ValidTheme = (typeof VALID_THEMES)[number];
+
+const THEME_CONTENT: Record<ValidTheme, string | null> = {
+  default: null,
+  paper: paperThemeContent,
+};
+
+const validateTheme = (theme: string): ValidTheme => {
+  return VALID_THEMES.includes(theme as ValidTheme) ? (theme as ValidTheme) : "default";
+};
+
+export const getStoredTheme = (): ValidTheme => {
+  const stored = localStorage.getItem("workspace-theme");
+  return stored ? validateTheme(stored) : "default";
+};
+
+export const loadTheme = (themeName: string): void => {
+  const validTheme = validateTheme(themeName);
+
+  // Store theme
+  localStorage.setItem("workspace-theme", validTheme);
+
+  // Remove existing theme
+  document.getElementById("workspace-theme")?.remove();
+
+  // Apply theme (skip for default)
+  if (validTheme !== "default") {
+    const css = THEME_CONTENT[validTheme];
+    if (css) {
+      const style = document.createElement("style");
+      style.id = "workspace-theme";
+      style.textContent = css;
+      document.head.appendChild(style);
+    }
+  }
+
+  // Set data attribute
+  document.documentElement.setAttribute("data-theme", validTheme);
+};