ui/component/channelStakedIndicator/view.jsx

@@ -1,5 +1,4 @@
 // @flow
-import { SIMPLE_SITE } from 'config';
 import * as ICONS from 'constants/icons';
 import React from 'react';
 import classnames from 'classnames';
@@ -39,9 +38,8 @@ function ChannelStakedIndicator(props: Props) {
   const icon = getChannelIcon(level);
 
   return (
-    SIMPLE_SITE && (
     <Tooltip
-        label={
+      title={
         <div className="channel-staked__tooltip">
           <div className="channel-staked__tooltip-icons">
             <LevelIcon icon={icon} isControlling={isControlling} size={isControlling ? 14 : 10} />
@@ -65,7 +63,6 @@ function ChannelStakedIndicator(props: Props) {
         <LevelIcon icon={icon} large={large} isControlling={isControlling} />
       </div>
     </Tooltip>
-    )
   );
 }
 

ui/component/comment/view.jsx

@@ -241,7 +241,7 @@ function Comment(props: Props) {
           <div className="comment__meta">
             <div className="comment__meta-information">
               {isGlobalMod && (
-                <Tooltip label={__('Admin')}>
+                <Tooltip title={__('Admin')}>
                   <span className="comment__badge comment__badge--global-mod">
                     <Icon icon={ICONS.BADGE_MOD} size={20} />
                   </span>
@@ -249,7 +249,7 @@ function Comment(props: Props) {
               )}
 
               {isModerator && (
-                <Tooltip label={__('Moderator')}>
+                <Tooltip title={__('Moderator')}>
                   <span className="comment__badge comment__badge--mod">
                     <Icon icon={ICONS.BADGE_MOD} size={20} />
                   </span>

ui/component/common/tooltip.jsx

@@ -1,18 +1,30 @@
 // @flow
-import type { Node } from 'react';
 import React from 'react';
-import ReachTooltip from '@reach/tooltip';
-// import '@reach/tooltip/styles.css'; --> 'scss/third-party.scss'
+import MUITooltip from '@mui/material/Tooltip';
+import type { Node } from 'react';
 
 type Props = {
-  label: string | Node,
+  arrow?: boolean,
   children: Node,
+  disableInteractive?: boolean,
+  enterDelay?: number,
+  title?: string | Node,
 };
 
 function Tooltip(props: Props) {
-  const { children, label } = props;
+  const { arrow = true, children, disableInteractive = true, enterDelay = 300, title } = props;
 
-  return <ReachTooltip label={label}>{children}</ReachTooltip>;
+  return (
+    <MUITooltip
+      arrow={arrow}
+      disableInteractive={disableInteractive}
+      enterDelay={enterDelay}
+      enterNextDelay={enterDelay}
+      title={title}
+    >
+      {children}
+    </MUITooltip>
+  );
 }
 
 export default Tooltip;

ui/component/fileRenderFloating/view.jsx

@@ -17,6 +17,10 @@ import { useHistory } from 'react-router';
 import { isURIEqual } from 'util/lbryURI';
 import AutoplayCountdown from 'component/autoplayCountdown';
 
+// scss/init/vars.scss
+// --header-height
+const HEADER_HEIGHT = 64;
+
 const IS_DESKTOP_MAC = typeof process === 'object' ? process.platform === 'darwin' : false;
 const DEBOUNCE_WINDOW_RESIZE_HANDLER_MS = 100;
 export const INLINE_PLAYER_WRAPPER_CLASS = 'inline-player__wrapper';
@@ -351,8 +355,7 @@ export default function FileRenderFloating(props: Props) {
                 width: fileViewerRect.width,
                 height: fileViewerRect.height,
                 left: fileViewerRect.x,
-                // 80px is header height in scss/init/vars.scss
-                top: fileViewerRect.windowOffset + fileViewerRect.top - 80 - (IS_DESKTOP_MAC ? 24 : 0),
+                top: fileViewerRect.windowOffset + fileViewerRect.top - HEADER_HEIGHT - (IS_DESKTOP_MAC ? 24 : 0),
               }
             : {}
         }

ui/component/header/view.jsx

@@ -1,4 +1,6 @@
 // @flow
+// import 'scss/component/_header.scss'; // ody codesplits this. no.
+
 import { useIsMobile } from 'effects/use-screensize';
 import { withRouter } from 'react-router';
 import * as ICONS from 'constants/icons';
@@ -11,13 +13,13 @@ import Logo from 'component/logo';
 import NotificationBubble from 'component/notificationBubble';
 import React from 'react';
 import SkipNavigationButton from 'component/skipNavigationButton';
+import Tooltip from 'component/common/tooltip';
 import WunderBar from 'component/wunderbar';
 import * as remote from '@electron/remote';
 import { IS_MAC } from 'component/app/view';
 import NavigationButton from 'component/navigationButton';
 
 type Props = {
-  authenticated: boolean,
   authHeader: boolean,
   backout: {
     backLabel?: string,
@@ -49,7 +51,6 @@ type Props = {
 
 const Header = (props: Props) => {
   const {
-    authenticated,
     authHeader,
     backout,
     balance,
@@ -119,16 +120,25 @@ const Header = (props: Props) => {
     }
   }, [canBackout, onBackout]);
 
-  const userButtons = (className: string) => (
-    <div className={classnames('header__menu', { 'header__menu--with-balance': authenticated })}>
-      <Button
+  const userButtons = (hideWallet?: boolean, hideProfile?: boolean) => (
+    <div className="header__menu--right">
+      {isMobile && !authHeader && !canBackout && <WunderBar />}
+      <Tooltip
         title={
           balance > 0
             ? __('Immediately spendable: %spendable_balance%', { spendable_balance: roundedSpendableBalance })
             : __('Your Wallet')
         }
+      >
+        <div>
+          <Button
+            // title={
+            //   balance > 0
+            //     ? __('Immediately spendable: %spendable_balance%', { spendable_balance: roundedSpendableBalance })
+            //     : __('Your Wallet')
+            // }
             navigate={`/$/${PAGES.WALLET}`}
-        className={classnames(className, 'header__navigation-item--balance')}
+            className="button--file-action header__navigationItem--balance"
             label={hideBalance || Number(roundedBalance) === 0 ? __('Your Wallet') : roundedBalance}
             icon={ICONS.LBC}
             // @if TARGET='app'
@@ -137,6 +147,8 @@ const Header = (props: Props) => {
             }}
             // @endif
           />
+        </div>
+      </Tooltip>
 
       <HeaderProfileMenuButton />
     </div>
@@ -154,25 +166,25 @@ const Header = (props: Props) => {
       }}
       // @endif
     >
-      <div className="header__contents">
+      <div className="card__actions--between header__contents">
         {!authHeader && canBackout ? (
-          <div className="card__actions--between">
+          <>
+            <div className="header__menu--left">
               <Button onClick={onBackout} button="link" label={backLabel || __('Cancel')} icon={ICONS.ARROW_LEFT} />
-
-            {backTitle && <h1 className="header__auth-title">{(isMobile && simpleBackTitle) || backTitle}</h1>}
-
-            {userButtons('header__navigation-item menu__title')}
             </div>
+            {backTitle && <h1 className="header__authTitle">{(isMobile && simpleBackTitle) || backTitle}</h1>}
+            {userButtons(false, isMobile)}
+          </>
         ) : (
           <>
             <div className="header__navigation">
+              <div className="header__menu--left">
                 <SkipNavigationButton />
-
                 {!authHeader && (
                   <span style={{ position: 'relative' }}>
                     <Button
                       aria-label={sidebarLabel}
-                    className="header__navigation-item menu__title header__navigation-item--icon"
+                      className="header__navigationItem--icon"
                       icon={ICONS.MENU}
                       aria-expanded={sidebarOpen}
                       onClick={() => setSidebarOpen(!sidebarOpen)}
@@ -181,10 +193,9 @@ const Header = (props: Props) => {
                     </Button>
                   </span>
                 )}
-
                 <Button
                   aria-label={__('Home')}
-                className="header__navigation-item header__navigation-item--lbry"
+                  className="header__navigationItem--logo"
                   onClick={() => {
                     // here use state.router.location.pathname
                     if (history.location.pathname === '/') window.location.reload();
@@ -198,6 +209,8 @@ const Header = (props: Props) => {
                 >
                   <Logo />
                 </Button>
+              </div>
+
               {!authHeader && (
                 <div className="header__center">
                   {/* @if TARGET='app' */}
@@ -212,17 +225,12 @@ const Header = (props: Props) => {
                   <HeaderMenuButtons />
                 </div>
               )}
-            </div>
 
               {!authHeader && !canBackout
-              ? userButtons('header__navigation-item menu__title mobile-hidden')
+                ? userButtons(isMobile)
                 : !isVerifyPage &&
                   !hideCancel && (
-                  <div className="header__menu">
-                    {/* Add an empty span here so we can use the same style as above */}
-                    {/* This pushes the close button to the right side */}
-                    <span />
-
+                    <div className="header__menu--right">
                       <Button
                         title={__('Go Back')}
                         button="alt"
@@ -243,6 +251,7 @@ const Header = (props: Props) => {
                       />
                     </div>
                   )}
+            </div>
           </>
         )}
       </div>

ui/component/headerMenuButtons/view.jsx

@@ -1,12 +1,15 @@
 // @flow
+// import 'scss/component/_header.scss'; // ody codesplits this; no.
+
 import { ENABLE_UI_NOTIFICATIONS } from 'config';
 import { Menu, MenuList, MenuButton, MenuItem } from '@reach/menu-button';
 import * as ICONS from 'constants/icons';
 import * as PAGES from 'constants/pages';
 import HeaderMenuLink from 'component/common/header-menu-link';
 import Icon from 'component/common/icon';
-import NotificationHeaderButton from 'component/notificationHeaderButton';
+import NotificationHeaderButton from 'component/headerNotificationButton';
 import React from 'react';
+import Tooltip from 'component/common/tooltip';
 
 type HeaderMenuButtonProps = {
   authenticated: boolean,
@@ -24,13 +27,11 @@ export default function HeaderMenuButtons(props: HeaderMenuButtonProps) {
   return (
     <div className="header__buttons">
       <Menu>
-        <MenuButton
-          aria-label={__('Publish a file, or create a channel')}
-          title={__('Publish a file, or create a channel')}
-          className="header__navigation-item menu__title header__navigation-item--icon mobile-hidden"
-        >
+        <Tooltip title={__('Publish a file, or create a channel')}>
+          <MenuButton className="header__navigationItem--icon">
             <Icon size={18} icon={ICONS.PUBLISH} aria-hidden />
           </MenuButton>
+        </Tooltip>
 
         <MenuList className="menu__list--header">
           <HeaderMenuLink page={PAGES.UPLOAD} icon={ICONS.PUBLISH} name={__('Upload')} />
@@ -41,13 +42,11 @@ export default function HeaderMenuButtons(props: HeaderMenuButtonProps) {
       {notificationsEnabled && <NotificationHeaderButton />}
 
       <Menu>
-        <MenuButton
-          aria-label={__('Settings')}
-          title={__('Settings')}
-          className="header__navigation-item menu__title header__navigation-item--icon  mobile-hidden"
-        >
+        <Tooltip title={__('Settings')}>
+          <MenuButton className="header__navigationItem--icon">
             <Icon size={18} icon={ICONS.SETTINGS} aria-hidden />
           </MenuButton>
+        </Tooltip>
 
         <MenuList className="menu__list--header">
           <HeaderMenuLink page={PAGES.SETTINGS} icon={ICONS.SETTINGS} name={__('Settings')} />

ui/component/headerNotificationButton/index.js

@@ -1,16 +1,10 @@
 import { connect } from 'react-redux';
-import {
-  selectNotifications,
-  selectIsFetchingNotifications,
-  selectUnseenNotificationCount,
-} from 'redux/selectors/notifications';
+import { selectUnseenNotificationCount } from 'redux/selectors/notifications';
 import { doSeeAllNotifications } from 'redux/actions/notifications';
 import { selectUser } from 'redux/selectors/user';
 import NotificationHeaderButton from './view';
 
-const select = state => ({
-  notifications: selectNotifications(state),
-  fetching: selectIsFetchingNotifications(state),
+const select = (state) => ({
   unseenCount: selectUnseenNotificationCount(state),
   user: selectUser(state),
 });

ui/component/headerNotificationButton/view.jsx

@@ -1,51 +1,41 @@
 // @flow
-import * as PAGES from 'constants/pages';
+// import 'scss/component/_header.scss'; // ody codesplits this; no. REMOVE THESE
+
+import { ENABLE_UI_NOTIFICATIONS } from 'config';
+import { useHistory } from 'react-router';
 import * as ICONS from 'constants/icons';
-import React from 'react';
+import * as PAGES from 'constants/pages';
+import Button from 'component/button';
 import Icon from 'component/common/icon';
 import NotificationBubble from 'component/notificationBubble';
-import Button from 'component/button';
-import { useHistory } from 'react-router';
-import { ENABLE_UI_NOTIFICATIONS } from 'config';
+import React from 'react';
+import Tooltip from 'component/common/tooltip';
 
 type Props = {
   unseenCount: number,
-  doSeeAllNotifications: () => void,
   user: ?User,
+  doSeeAllNotifications: () => void,
 };
 
 export default function NotificationHeaderButton(props: Props) {
-  const {
-    unseenCount,
-    // notifications,
-    // fetching,
-    doSeeAllNotifications,
-    user,
-  } = props;
-  const notificationsEnabled = ENABLE_UI_NOTIFICATIONS || (user && user.experimental_ui);
+  const { unseenCount, user, doSeeAllNotifications } = props;
+
   const { push } = useHistory();
+  const notificationsEnabled = ENABLE_UI_NOTIFICATIONS || (user && user.experimental_ui);
 
   function handleMenuClick() {
-    if (unseenCount > 0) {
-      doSeeAllNotifications();
-    }
-
+    if (unseenCount > 0) doSeeAllNotifications();
     push(`/$/${PAGES.NOTIFICATIONS}`);
   }
 
-  if (!notificationsEnabled) {
-    return null;
-  }
+  if (!notificationsEnabled) return null;
 
   return (
-    <Button
-      onClick={handleMenuClick}
-      aria-label={__('Notifications')}
-      title={__('Notifications')}
-      className="header__navigation-item menu__title header__navigation-item--icon mobile-hidden"
-    >
+    <Tooltip title={__('Notifications')}>
+      <Button onClick={handleMenuClick} className="header__navigationItem--icon">
         <Icon size={18} icon={ICONS.NOTIFICATION} aria-hidden />
         <NotificationBubble />
       </Button>
+    </Tooltip>
   );
 }

ui/component/headerProfileMenuButton/view.jsx

@@ -1,4 +1,6 @@
 // @flow
+// import 'scss/component/_header.scss'; // REMOVE!
+
 import { Menu, MenuList, MenuButton, MenuItem } from '@reach/menu-button';
 import * as ICONS from 'constants/icons';
 import * as PAGES from 'constants/pages';
@@ -26,9 +28,9 @@ export default function HeaderProfileMenuButton(props: HeaderMenuButtonProps) {
         <MenuButton
           aria-label={__('Your account')}
           title={__('Your account')}
-          className={classnames('header__navigation-item', {
-            'menu__title header__navigation-item--icon': !activeChannelUrl,
-            'header__navigation-item--profile-pic': activeChannelUrl,
+          className={classnames('header__navigationItem', {
+            'header__navigationItem--icon': !activeChannelUrl,
+            'header__navigationItem--profilePic': activeChannelUrl,
           })}
         >
           {activeChannelUrl ? (

ui/scss/component/_channel.scss

@@ -363,17 +363,6 @@ $actions-z-index: 2;
   }
 }
 
-.channel-staked__tooltip {
-  display: flex;
-  align-items: center;
-  line-height: 1rem;
-}
-
-.channel-staked__tooltip-text {
-  margin-left: var(--spacing-xs);
-  font-size: var(--font-xsmall);
-}
-
 .channel-staked__wrapper {
   display: flex;
   position: absolute;

ui/scss/component/_header.scss

@@ -1,3 +1,6 @@
+@import '../init/vars';
+@import '../init/mixins';
+
 .header {
   z-index: 3; // Main content uses z-index: 1, other content uses z-index: 2, this ensures it always scrolls under the header
   position: fixed;
@@ -6,6 +9,7 @@
   background-color: var(--color-header-background);
   box-shadow: var(--card-box-shadow);
   font-size: var(--font-body);
+  user-select: none;
   -webkit-user-select: none;
   -webkit-app-region: drag;
 
@@ -23,31 +27,32 @@
       opacity: 1;
       position: relative;
       overflow: unset;
-      width: inherit;
-      height: inherit;
+      width: unset;
+      height: unset;
     }
   }
-
-  & > * {
-    user-select: none;
-  }
 }
 
 .header--minimal {
   box-shadow: none;
   background-color: var(--color-background);
   border-bottom: none;
-}
 
-.header--mac {
-  padding-top: var(--mac-titlebar-height);
+  .header__navigation {
+    padding: var(--spacing-xs);
+  }
+
+  .header__navigationItem--logo {
+    height: 3rem;
+  }
 }
 
 .header__contents {
-  height: calc(var(--header-height));
   display: flex;
   align-items: center;
-  padding: 0 var(--spacing-m);
+  flex: 1;
+  height: var(--header-height);
+  padding: var(--spacing-s) var(--spacing-m);
 
   @media (max-width: $breakpoint-small) {
     padding: var(--spacing-xs);
@@ -55,17 +60,42 @@
 }
 
 .header__navigation {
-  flex: 1;
   display: flex;
   align-items: center;
+  justify-content: space-between;
+  flex: 1;
+  height: var(--header-height);
+  padding: var(--spacing-s) var(--spacing-m);
+  flex-wrap: nowrap;
+}
+
+.card__actions--between {
+  .header__menu--left {
+    @media (max-width: $breakpoint-small) {
+      max-width: 3rem;
+    }
+  }
 }
 
 .header__menu {
   display: flex;
-  justify-content: space-between;
   align-items: center;
 }
 
+.header__menu--left {
+  @extend .header__menu;
+  justify-content: flex-start;
+}
+
+.header__menu--right {
+  @extend .header__menu;
+  justify-content: flex-end;
+
+  @media (max-width: $breakpoint-small) {
+    max-width: 4rem;
+  }
+}
+
 .header__buttons {
   display: flex;
 }
@@ -77,7 +107,7 @@
   max-width: fit-content;
 }
 
-.header__navigation-item {
+.header__navigationItem {
   height: var(--height-button);
   display: flex;
   justify-content: center;
@@ -89,11 +119,16 @@
   svg {
     stroke: var(--color-text);
   }
+
+  &[aria-expanded='true'] {
+    background-color: var(--color-header-button-active);
+  }
 }
 
 .header__navigation-item--back,
 .header__navigation-item--forward,
-.header__navigation-item--icon {
+.header__navigationItem--icon {
+  @extend .header__navigationItem;
   width: var(--height-button);
   background-color: var(--color-header-button);
   border-radius: 1.5rem;
@@ -109,6 +144,10 @@
     }
   }
 
+  @media (max-width: $breakpoint-small) {
+    margin: 0;
+  }
+
   span {
     display: flex;
     justify-content: center;
@@ -116,8 +155,8 @@
   }
 }
 
-.header__navigation-item--profile-pic {
-  margin-left: var(--spacing-m);
+.header__navigationItem--profilePic {
+  margin-right: var(--spacing-s);
 
   .channel-thumbnail {
     height: var(--height-button);
@@ -130,8 +169,8 @@
   }
 }
 
-.header__navigation-item--balance {
-  @extend .button--file-action;
+.header__navigationItem--balance {
+  @extend .header__navigationItem;
   margin: 0 var(--spacing-s);
   color: var(--color-text);
 
@@ -140,17 +179,8 @@
   }
 }
 
-.header__navigation-item--forward {
-  margin-right: 0;
-}
-
-.header__navigation-item--icon {
-  @media (max-width: $breakpoint-small) {
-    margin: 0;
-  }
-}
-
-.header__navigation-item--lbry {
+.header__navigationItem--logo {
+  @extend .header__navigationItem;
   height: 4rem;
   display: flex;
   align-items: center;
@@ -172,61 +202,44 @@
   }
 }
 
-.header--minimal {
-  .header__navigation-item--lbry {
-    height: 3rem;
-  }
-}
-
-.header__navigation-dropdown {
-  @extend .menu__list--header;
-  padding: 0;
-  position: absolute;
-  list-style-type: none;
-  background-color: var(--color-header-background);
-}
-
-.header__navigation-button {
-  margin: 0;
-  padding: var(--spacing-xxs) var(--spacing-m);
-  display: flex;
-  align-items: center;
-
-  &:hover {
-    cursor: pointer;
-    background-color: var(--color-menu-background--active);
-  }
-}
-
-.header__navigation-button-help {
-  @extend .help;
-  margin-top: 0;
-  margin-left: var(--spacing-s);
-}
-
-.header__auth-buttons {
+.header__authButtons {
   display: flex;
   align-items: center;
   font-weight: var(--font-weight-bold);
-  margin-left: var(--spacing-s);
 
   & > *:not(:last-child) {
     margin: 0 var(--spacing-m);
   }
+
+  @media (max-width: $breakpoint-small) {
+    .button--link {
+      margin: 0;
+    }
+
+    .button--primary {
+      padding: var(--spacing-xxs);
+    }
+  }
 }
 
 .header__center {
   display: flex;
-  justify-content: flex-end;
-  width: 100%;
-
-  @media (min-width: $breakpoint-small) {
   justify-content: center;
-  }
+  width: 100%;
 }
 
-.header__auth-title {
+.header__authTitle {
+  @extend .header__center;
+  justify-content: center;
+
   @media (min-width: $breakpoint-small) {
     font-size: var(--font-large);
   }
 }
+
+.ReactModal__Overlay {
+  .button--close {
+    margin: 0;
+    margin-top: var(--spacing-xxs);
+  }
+}

ui/scss/component/_tooltip.scss

@@ -1,8 +1,24 @@
-[data-reach-tooltip] {
-  border-radius: var(--border-radius);
-  background-color: var(--color-tooltip-bg);
-  color: var(--color-tooltip-text);
-  border: none;
-  padding: var(--spacing-s);
-  overflow: hidden;
+.MuiTooltip-tooltip {
+  border-radius: var(--border-radius) !important;
+  background-color: var(--color-tooltip-bg) !important;
+  color: var(--color-tooltip-text) !important;
+  font-size: var(--font-small) !important;
+}
+
+.MuiTooltip-arrow {
+  color: var(--color-tooltip-bg) !important;
+  font-size: var(--font-xxsmall) !important;
+}
+
+.channel-staked__tooltip {
+  display: flex;
+  align-items: center;
+  line-height: 1rem;
+  padding: var(--spacing-xs);
+
+  .channel-staked__tooltip-text {
+    margin-left: var(--spacing-xs);
+    font-size: var(--font-xsmall);
+    font-size: var(--font-small);
+  }
 }

ui/scss/component/_wunderbar.scss

@@ -1,3 +1,5 @@
+@import './header';
+
 .wunderbar__wrapper {
   flex: 1;
   max-width: 30rem;
@@ -103,7 +105,7 @@
   position: absolute;
   left: 0;
   right: 0;
-  top: calc(var(--header-height) - (var(--height-input)) + 3px);
+  top: calc(var(--header-height) - var(--spacing-m) - 3px);
   @extend .card;
   box-shadow: var(--card-box-shadow);
   border-top-right-radius: 0;
@@ -227,7 +229,7 @@
 
 .wunderbar__mobile-search {
   @extend .button--alt;
-  @extend .header__navigation-item--icon;
+  @extend .header__navigationItem--icon;
   padding: var(--spacing-xs);
   margin-right: var(--spacing-m);
 

ui/scss/component/menu-button.scss

@@ -65,12 +65,6 @@
   }
 }
 
-.menu__title {
-  &[aria-expanded='true'] {
-    background-color: var(--color-header-button-active);
-  }
-}
-
 .menu__list {
   box-shadow: var(--card-box-shadow);
   animation: menu-animate-in var(--animation-duration) var(--animation-style);
@@ -86,7 +80,7 @@
 
 .menu__list--header {
   @extend .menu__list;
-  margin-top: 19px;
+  margin-top: var(--spacing-s);
 }
 
 .menu__list--comments {

ui/scss/init/_gui.scss

@@ -480,12 +480,6 @@ textarea {
   }
 }
 
-.mobile-hidden {
-  @media (max-width: $breakpoint-small) {
-    display: none !important;
-  }
-}
-
 .ads-test {
   height: 50vh;
   position: relative;

ui/scss/init/_vars.scss

@@ -72,7 +72,7 @@ $breakpoint-large: 1600px;
   // Header
   // This is tied to the floating player so it knows where to attach to
   // ui/component/fileRenderFloating/view.jsx
-  --header-height: 80px;
+  --header-height: 64px;
 
   // Inline Player
   --inline-player-max-height: calc(100vh - var(--header-height) - var(--spacing-l) * 2);

ui/scss/themes/dark.scss

@@ -123,6 +123,7 @@
   --color-purchased-text: var(--color-gray-5);
   --color-thumbnail-background: var(--color-gray-5);
   --color-tooltip-bg: #2f3337;
+  --color-tooltip-text: #fafafa;
   --color-help-warning-bg: #d97706;
   --color-help-warning-text: white;
   --color-blockquote: var(--color-gray-5);