diff --git a/src/api/gramjs/methods/management.ts b/src/api/gramjs/methods/management.ts
index 1858fb9a5..66af71ddd 100644
--- a/src/api/gramjs/methods/management.ts
+++ b/src/api/gramjs/methods/management.ts
@@ -280,7 +280,7 @@ export function hideAllChatJoinRequests({
   });
 }
 
-export function hideChatReportPanel(chat: ApiChat) {
+export function hideChatReportPane(chat: ApiChat) {
   const { id, accessHash } = chat;
 
   return invokeRequest(new GramJs.messages.HidePeerSettingsBar({
diff --git a/src/assets/localization/fallback.strings b/src/assets/localization/fallback.strings
index 79a877f21..9499d0d0b 100644
--- a/src/assets/localization/fallback.strings
+++ b/src/assets/localization/fallback.strings
@@ -655,7 +655,11 @@
 "Statistics" = "Statistics";
 "EventLogFilterPinnedMessages" = "Pinned messages";
 "UnpinMessageAlertTitle" = "Unpin message";
-"PinnedMessage" = "Pinned message";
+"PinnedMessageTitleSingle" = "Pinned message";
+"PinnedMessageTitle_one" = "Pinned message #{index}";
+"PinnedMessageTitle_other" = "Pinned message #{index}";
+"AccPinnedMessages" = "Pinned Messages";
+"AccUnpinMessage" = "Unpin Message";
 "Comments_one" = "{count} Comment";
 "Comments_other" = "{count} Comments";
 "LeaveAComment" = "Leave a comment";
diff --git a/src/components/calls/group/GroupCallTopPane.scss b/src/components/calls/group/GroupCallTopPane.scss
index 00d57c1ca..2ef0ac70e 100644
--- a/src/components/calls/group/GroupCallTopPane.scss
+++ b/src/components/calls/group/GroupCallTopPane.scss
@@ -1,37 +1,14 @@
+@use "../../../styles/mixins";
+
 .GroupCallTopPane {
-  position: absolute;
-  top: 100%;
-  left: 0;
-  right: 0;
-  height: 2.875rem;
-  overflow: hidden;
-  box-shadow: 0 2px 2px var(--color-light-shadow);
+  @include mixins.header-pane;
+
   display: flex;
   flex-direction: row;
   justify-content: space-between;
   align-items: center;
-  padding: 0.375rem 0.5rem 0.375rem 0.75rem;
-  background: var(--color-background);
-  z-index: -1;
   cursor: var(--custom-cursor, pointer);
 
-  &::before {
-    content: "";
-    display: block;
-    position: absolute;
-    top: -0.1875rem;
-    left: 0;
-    right: 0;
-    height: 0.125rem;
-    box-shadow: 0 0.125rem 0.125rem var(--color-light-shadow);
-  }
-
-  @media (max-width: 600px) {
-    &.has-pinned-offset {
-      top: calc(100% + 2.875rem);
-    }
-  }
-
   .info {
     display: flex;
     flex-direction: column;
@@ -56,9 +33,3 @@
     width: auto;
   }
 }
-
-@media (min-width: 1440px) {
-  #Main.right-column-open .MiddleHeader .GroupCallTopPane {
-    width: calc(100% - var(--right-column-width));
-  }
-}
diff --git a/src/components/calls/group/GroupCallTopPane.tsx b/src/components/calls/group/GroupCallTopPane.tsx
index d0f767ed6..59785e0ed 100644
--- a/src/components/calls/group/GroupCallTopPane.tsx
+++ b/src/components/calls/group/GroupCallTopPane.tsx
@@ -12,7 +12,7 @@ import buildClassName from '../../../util/buildClassName';
 
 import useCurrentOrPrev from '../../../hooks/useCurrentOrPrev';
 import useOldLang from '../../../hooks/useOldLang';
-import useShowTransitionDeprecated from '../../../hooks/useShowTransitionDeprecated';
+import useHeaderPane, { type PaneState } from '../../middle/hooks/useHeaderPane';
 
 import AvatarList from '../../common/AvatarList';
 import Button from '../../ui/Button';
@@ -21,8 +21,8 @@ import './GroupCallTopPane.scss';
 
 type OwnProps = {
   chatId: string;
-  hasPinnedOffset: boolean;
   className?: string;
+  onPaneStateChange?: (state: PaneState) => void;
 };
 
 type StateProps = {
@@ -37,7 +37,7 @@ const GroupCallTopPane: FC<OwnProps & StateProps> = ({
   isActive,
   className,
   groupCall,
-  hasPinnedOffset,
+  onPaneStateChange,
 }) => {
   const {
     requestMasterAndJoinGroupCall,
@@ -86,23 +86,24 @@ const GroupCallTopPane: FC<OwnProps & StateProps> = ({
     };
   }, [groupCall?.id, groupCall?.isLoaded, isActive, subscribeToGroupCallUpdates]);
 
-  const {
-    shouldRender,
-    transitionClassNames,
-  } = useShowTransitionDeprecated(Boolean(groupCall && isActive));
-
   const renderingParticipantCount = useCurrentOrPrev(groupCall?.participantsCount, true);
   const renderingFetchedParticipants = useCurrentOrPrev(fetchedParticipants, true);
 
+  const isRendering = Boolean(groupCall && isActive);
+
+  const { ref, shouldRender } = useHeaderPane({
+    isOpen: isRendering,
+    onStateChange: onPaneStateChange,
+  });
+
   if (!shouldRender) return undefined;
 
   return (
     <div
+      ref={ref}
       className={buildClassName(
         'GroupCallTopPane',
-        hasPinnedOffset && 'has-pinned-offset',
         className,
-        transitionClassNames,
       )}
       onClick={handleJoinGroupCall}
     >
diff --git a/src/components/common/PinMessageModal.tsx b/src/components/common/PinMessageModal.tsx
index 52d609ffc..ce2ec6b31 100644
--- a/src/components/common/PinMessageModal.tsx
+++ b/src/components/common/PinMessageModal.tsx
@@ -37,6 +37,7 @@ type StateProps = {
 
 const PinMessageModal: FC<OwnProps & StateProps> = ({
   isOpen,
+  chatId,
   messageId,
   isChannel,
   isGroup,
@@ -49,17 +50,17 @@ const PinMessageModal: FC<OwnProps & StateProps> = ({
 
   const handlePinMessageForAll = useCallback(() => {
     pinMessage({
-      messageId, isUnpin: false,
+      chatId, messageId, isUnpin: false,
     });
     onClose();
-  }, [pinMessage, messageId, onClose]);
+  }, [chatId, messageId, onClose]);
 
   const handlePinMessage = useCallback(() => {
     pinMessage({
-      messageId, isUnpin: false, isOneSide: true, isSilent: true,
+      chatId, messageId, isUnpin: false, isOneSide: true, isSilent: true,
     });
     onClose();
-  }, [messageId, onClose, pinMessage]);
+  }, [chatId, messageId, onClose]);
 
   const lang = useOldLang();
 
diff --git a/src/components/left/main/ForumPanel.module.scss b/src/components/left/main/ForumPanel.module.scss
index a458d6a63..5b5b6c1af 100644
--- a/src/components/left/main/ForumPanel.module.scss
+++ b/src/components/left/main/ForumPanel.module.scss
@@ -43,10 +43,6 @@
   }
 }
 
-.group-call {
-  position: static !important;
-}
-
 .notch {
   width: 100%;
   height: 0;
diff --git a/src/components/left/main/ForumPanel.tsx b/src/components/left/main/ForumPanel.tsx
index 3b983ae7b..d26ef4e38 100644
--- a/src/components/left/main/ForumPanel.tsx
+++ b/src/components/left/main/ForumPanel.tsx
@@ -260,7 +260,7 @@ const ForumPanel: FC<OwnProps & StateProps> = ({
           )}
       </div>
 
-      {chat && <GroupCallTopPane chatId={chat.id} hasPinnedOffset={false} className={styles.groupCall} />}
+      {chat && <GroupCallTopPane chatId={chat.id} />}
 
       <div className={styles.notch} />
 
diff --git a/src/components/main/Main.tsx b/src/components/main/Main.tsx
index 367d40673..95f10808e 100644
--- a/src/components/main/Main.tsx
+++ b/src/components/main/Main.tsx
@@ -8,7 +8,7 @@ import React, {
 import { addExtraClass } from '../../lib/teact/teact-dom';
 import { getActions, getGlobal, withGlobal } from '../../global';
 
-import type { ApiChatFolder, ApiMessage, ApiUser } from '../../api/types';
+import type { ApiChatFolder, ApiUser } from '../../api/types';
 import type { ApiLimitTypeWithModal, TabState } from '../../global/types';
 import { ElectronEvent } from '../../types/electron';
 
@@ -61,10 +61,10 @@ import StickerSetModal from '../common/StickerSetModal.async';
 import UnreadCount from '../common/UnreadCounter';
 import LeftColumn from '../left/LeftColumn';
 import MediaViewer from '../mediaViewer/MediaViewer.async';
-import AudioPlayer from '../middle/AudioPlayer';
 import ReactionPicker from '../middle/message/reactions/ReactionPicker.async';
 import MessageListHistoryHandler from '../middle/MessageListHistoryHandler';
 import MiddleColumn from '../middle/MiddleColumn';
+import AudioPlayer from '../middle/panes/AudioPlayer';
 import ModalContainer from '../modals/ModalContainer';
 import PaymentModal from '../payment/PaymentModal.async';
 import ReceiptModal from '../payment/ReceiptModal.async';
@@ -107,7 +107,6 @@ type StateProps = {
   isForwardModalOpen: boolean;
   hasNotifications: boolean;
   hasDialogs: boolean;
-  audioMessage?: ApiMessage;
   safeLinkModalUrl?: string;
   isHistoryCalendarOpen: boolean;
   shouldSkipHistoryAnimations?: boolean;
@@ -159,7 +158,6 @@ const Main = ({
   isForwardModalOpen,
   hasNotifications,
   hasDialogs,
-  audioMessage,
   activeGroupCallId,
   safeLinkModalUrl,
   isHistoryCalendarOpen,
@@ -545,7 +543,7 @@ const Main = ({
       <DraftRecipientPicker requestedDraft={requestedDraft} />
       <Notifications isOpen={hasNotifications} />
       <Dialogs isOpen={hasDialogs} />
-      {audioMessage && <AudioPlayer key={audioMessage.id} message={audioMessage} noUi />}
+      <AudioPlayer noUi />
       <ModalContainer />
       <SafeLinkModal url={safeLinkModalUrl} />
       <HistoryCalendar isOpen={isHistoryCalendarOpen} />
@@ -613,7 +611,6 @@ export default memo(withGlobal<OwnProps>(
       openedCustomEmojiSetIds,
       shouldSkipHistoryAnimations,
       openedGame,
-      audioPlayer,
       isLeftColumnShown,
       historyCalendarSelectedAt,
       notifications,
@@ -630,10 +627,6 @@ export default memo(withGlobal<OwnProps>(
       deleteFolderDialogModal,
     } = selectTabState(global);
 
-    const { chatId: audioChatId, messageId: audioMessageId } = audioPlayer;
-    const audioMessage = audioChatId && audioMessageId
-      ? selectChatMessage(global, audioChatId, audioMessageId)
-      : undefined;
     const gameMessage = openedGame && selectChatMessage(global, openedGame.chatId, openedGame.messageId);
     const gameTitle = gameMessage?.content.game?.title;
     const { chatId } = selectCurrentMessageList(global) || {};
@@ -653,7 +646,6 @@ export default memo(withGlobal<OwnProps>(
       isReactionPickerOpen: selectIsReactionPickerOpen(global),
       hasNotifications: Boolean(notifications.length),
       hasDialogs: Boolean(dialogs.length),
-      audioMessage,
       safeLinkModalUrl,
       isHistoryCalendarOpen: Boolean(historyCalendarSelectedAt),
       shouldSkipHistoryAnimations,
diff --git a/src/components/middle/ChatReportPanel.scss b/src/components/middle/ChatReportPanel.scss
deleted file mode 100644
index 90ce57f67..000000000
--- a/src/components/middle/ChatReportPanel.scss
+++ /dev/null
@@ -1,36 +0,0 @@
-.ChatReportPanel {
-  position: absolute;
-  left: 0;
-  right: 0;
-  top: 100%;
-
-  display: flex;
-  align-items: center;
-  margin-left: auto;
-  background: var(--color-background);
-  padding: 0.375rem 0.8125rem 0.25rem 1rem;
-  box-shadow: 0 0.125rem 0.125rem var(--color-light-shadow), inset 0 0.125rem 0.125rem var(--color-light-shadow);
-  transform: translate3d(0, 0, 0);
-  transition: opacity 0.15s ease, transform var(--layer-transition);
-
-  body.no-page-transitions & {
-    .ripple-container {
-      display: none;
-    }
-  }
-
-  @media (min-width: 1276px) {
-    transform: translate3d(0, 0, 0);
-    transition: opacity 0.15s ease, transform var(--layer-transition);
-
-    #Main.right-column-open & {
-      padding-right: calc(var(--right-column-width) + 1rem);
-    }
-  }
-
-  .UserReportPanel--Button {
-    margin-left: 0.25rem;
-    flex: 1 1 50%;
-    white-space: nowrap;
-  }
-}
diff --git a/src/components/middle/HeaderPinnedMessage.tsx b/src/components/middle/HeaderPinnedMessage.tsx
deleted file mode 100644
index a2e5a7760..000000000
--- a/src/components/middle/HeaderPinnedMessage.tsx
+++ /dev/null
@@ -1,231 +0,0 @@
-import type { FC } from '../../lib/teact/teact';
-import React, { memo } from '../../lib/teact/teact';
-import { getActions } from '../../global';
-
-import type { ApiMessage } from '../../api/types';
-import type { Signal } from '../../util/signals';
-
-import {
-  getMessageIsSpoiler, getMessageMediaHash, getMessageSingleInlineButton, getMessageVideo,
-} from '../../global/helpers';
-import buildClassName from '../../util/buildClassName';
-import { IS_TOUCH_ENV } from '../../util/windowEnvironment';
-import { getPictogramDimensions, REM } from '../common/helpers/mediaDimensions';
-import renderText from '../common/helpers/renderText';
-import renderKeyboardButtonText from './composer/helpers/renderKeyboardButtonText';
-
-import useDerivedState from '../../hooks/useDerivedState';
-import { useFastClick } from '../../hooks/useFastClick';
-import useFlag from '../../hooks/useFlag';
-import useLastCallback from '../../hooks/useLastCallback';
-import useMedia from '../../hooks/useMedia';
-import useOldLang from '../../hooks/useOldLang';
-import useThumbnail from '../../hooks/useThumbnail';
-import useAsyncRendering from '../right/hooks/useAsyncRendering';
-
-import AnimatedCounter from '../common/AnimatedCounter';
-import MediaSpoiler from '../common/MediaSpoiler';
-import MessageSummary from '../common/MessageSummary';
-import Button from '../ui/Button';
-import ConfirmDialog from '../ui/ConfirmDialog';
-import RippleEffect from '../ui/RippleEffect';
-import Spinner from '../ui/Spinner';
-import Transition from '../ui/Transition';
-import PinnedMessageNavigation from './PinnedMessageNavigation';
-
-import styles from './HeaderPinnedMessage.module.scss';
-
-const SHOW_LOADER_DELAY = 450;
-const EMOJI_SIZE = 1.125 * REM;
-
-type OwnProps = {
-  message: ApiMessage;
-  index: number;
-  count: number;
-  customTitle?: string;
-  className?: string;
-  onUnpinMessage?: (id: number) => void;
-  onClick?: (e: React.MouseEvent<HTMLDivElement>) => void;
-  onAllPinnedClick?: () => void;
-  getLoadingPinnedId: Signal<number | undefined>;
-  isFullWidth?: boolean;
-};
-
-const HeaderPinnedMessage: FC<OwnProps> = ({
-  message, count, index, customTitle, className, onUnpinMessage, onClick, onAllPinnedClick,
-  getLoadingPinnedId, isFullWidth,
-}) => {
-  const { clickBotInlineButton } = getActions();
-  const lang = useOldLang();
-
-  const video = getMessageVideo(message);
-  const gif = video?.isGif ? video : undefined;
-  const isVideoThumbnail = Boolean(gif && !gif.previewPhotoSizes?.length);
-
-  const mediaThumbnail = useThumbnail(message);
-  const mediaBlobUrl = useMedia(getMessageMediaHash(message, isVideoThumbnail ? 'full' : 'pictogram'));
-  const isSpoiler = getMessageIsSpoiler(message);
-
-  const isLoading = Boolean(useDerivedState(getLoadingPinnedId));
-  const canRenderLoader = useAsyncRendering([isLoading], SHOW_LOADER_DELAY);
-  const shouldShowLoader = canRenderLoader && isLoading;
-
-  const [isUnpinDialogOpen, openUnpinDialog, closeUnpinDialog] = useFlag();
-
-  const handleUnpinMessage = useLastCallback(() => {
-    closeUnpinDialog();
-
-    if (onUnpinMessage) {
-      onUnpinMessage(message.id);
-    }
-  });
-
-  const inlineButton = getMessageSingleInlineButton(message);
-
-  const handleInlineButtonClick = useLastCallback(() => {
-    if (inlineButton) {
-      clickBotInlineButton({ chatId: message.chatId, messageId: message.id, button: inlineButton });
-    }
-  });
-
-  const [noHoverColor, markNoHoverColor, unmarkNoHoverColor] = useFlag();
-
-  const { handleClick, handleMouseDown } = useFastClick(onClick);
-
-  function renderPictogram(thumbDataUri?: string, blobUrl?: string, isFullVideo?: boolean, asSpoiler?: boolean) {
-    const { width, height } = getPictogramDimensions();
-    const srcUrl = blobUrl || thumbDataUri;
-    const shouldRenderVideo = isFullVideo && blobUrl;
-
-    return (
-      <div className={styles.pinnedThumb}>
-        {thumbDataUri && !asSpoiler && !shouldRenderVideo && (
-          <img
-            className={styles.pinnedThumbImage}
-            src={srcUrl}
-            width={width}
-            height={height}
-            alt=""
-            draggable={false}
-          />
-        )}
-        {shouldRenderVideo && !asSpoiler && (
-          <video
-            src={blobUrl}
-            width={width}
-            height={height}
-            playsInline
-            disablePictureInPicture
-            className={styles.pinnedThumbImage}
-          />
-        )}
-        {thumbDataUri
-          && <MediaSpoiler thumbDataUri={srcUrl} isVisible={Boolean(asSpoiler)} width={width} height={height} />}
-      </div>
-    );
-  }
-
-  return (
-    <div className={buildClassName(
-      'HeaderPinnedMessageWrapper', styles.root, isFullWidth && 'full-width', className,
-    )}
-    >
-      {(count > 1 || shouldShowLoader) && (
-        <Button
-          round
-          size="smaller"
-          color="translucent"
-          ariaLabel={lang('EventLogFilterPinnedMessages')}
-          onClick={!shouldShowLoader ? onAllPinnedClick : undefined}
-        >
-          {isLoading && (
-            <Spinner
-              color="blue"
-              className={buildClassName(
-                styles.loading, styles.pinListIcon, !shouldShowLoader && styles.pinListIconHidden,
-              )}
-            />
-          )}
-          <i
-            className={buildClassName(
-              'icon', 'icon-pin-list', styles.pinListIcon, shouldShowLoader && styles.pinListIconHidden,
-            )}
-          />
-        </Button>
-      )}
-      {onUnpinMessage && (
-        <Button
-          round
-          size="smaller"
-          color="translucent"
-          ariaLabel={lang('UnpinMessageAlertTitle')}
-          onClick={openUnpinDialog}
-        >
-          <i className="icon icon-close" />
-        </Button>
-      )}
-      <ConfirmDialog
-        isOpen={isUnpinDialogOpen}
-        onClose={closeUnpinDialog}
-        text="Would you like to unpin this message?"
-        confirmLabel="Unpin"
-        confirmHandler={handleUnpinMessage}
-      />
-      <div
-        className={buildClassName(styles.pinnedMessage, noHoverColor && styles.noHover)}
-        onClick={handleClick}
-        onMouseDown={handleMouseDown}
-        dir={lang.isRtl ? 'rtl' : undefined}
-      >
-        <PinnedMessageNavigation
-          count={count}
-          index={index}
-        />
-        <Transition activeKey={message.id} name="slideVertical" className={styles.pictogramTransition}>
-          {renderPictogram(
-            mediaThumbnail,
-            mediaBlobUrl,
-            isVideoThumbnail,
-            isSpoiler,
-          )}
-        </Transition>
-        <div
-          className={buildClassName(styles.messageText, mediaThumbnail && styles.withMedia)}
-          dir={lang.isRtl ? 'rtl' : undefined}
-        >
-          <div className={styles.title} dir={lang.isRtl ? 'rtl' : undefined}>
-            {!customTitle && (
-              <AnimatedCounter text={`${lang('PinnedMessage')} ${index > 0 ? `#${count - index}` : ''}`} />
-            )}
-
-            {customTitle && renderText(customTitle)}
-          </div>
-          <Transition activeKey={message.id} name="slideVerticalFade" className={styles.messageTextTransition}>
-            <p dir="auto" className={styles.summary}>
-              <MessageSummary
-                message={message}
-                noEmoji={Boolean(mediaThumbnail)}
-                emojiSize={EMOJI_SIZE}
-              />
-            </p>
-          </Transition>
-        </div>
-        <RippleEffect />
-        {inlineButton && (
-          <Button
-            size="tiny"
-            className={styles.inlineButton}
-            onClick={handleInlineButtonClick}
-            shouldStopPropagation
-            onMouseEnter={!IS_TOUCH_ENV ? markNoHoverColor : undefined}
-            onMouseLeave={!IS_TOUCH_ENV ? unmarkNoHoverColor : undefined}
-          >
-            {renderKeyboardButtonText(lang, inlineButton)}
-          </Button>
-        )}
-      </div>
-    </div>
-  );
-};
-
-export default memo(HeaderPinnedMessage);
diff --git a/src/components/middle/MessageList.scss b/src/components/middle/MessageList.scss
index ce7d5378e..0fb092d04 100644
--- a/src/components/middle/MessageList.scss
+++ b/src/components/middle/MessageList.scss
@@ -66,6 +66,10 @@
     }
   }
 
+  .first-message-date-group {
+    padding-top: var(--middle-header-panes-height);
+  }
+
   &.no-composer {
     margin-bottom: 0;
 
@@ -379,17 +383,13 @@
 
   &.scrolled:not(.is-animating) .sticky-date {
     position: sticky;
-    top: 0.625rem;
+    top: calc(0.625rem + var(--middle-header-panes-height));
   }
 
   &.is-animating .message-select-control {
     display: none !important;
   }
 
-  .has-header-tools & .sticky-date {
-    top: 3.75rem !important;
-  }
-
   .local-action-message,
   .ActionMessage {
     margin-top: 0.5rem;
diff --git a/src/components/middle/MessageList.tsx b/src/components/middle/MessageList.tsx
index 063facccf..b8bac7dce 100644
--- a/src/components/middle/MessageList.tsx
+++ b/src/components/middle/MessageList.tsx
@@ -89,7 +89,6 @@ type OwnProps = {
   isReady: boolean;
   onScrollDownToggle: BooleanToVoidFunction;
   onNotchToggle: BooleanToVoidFunction;
-  hasTools?: boolean;
   withBottomShift?: boolean;
   withDefaultBg: boolean;
   onIntersectPinnedMessage: OnIntersectPinnedMessage;
@@ -133,7 +132,6 @@ const MESSAGE_FACT_CHECK_UPDATE_INTERVAL = 5 * 1000;
 const MESSAGE_STORY_POLLING_INTERVAL = 5 * 60 * 1000;
 const BOTTOM_THRESHOLD = 50;
 const UNREAD_DIVIDER_TOP = 10;
-const UNREAD_DIVIDER_TOP_WITH_TOOLS = 60;
 const SCROLL_DEBOUNCE = 200;
 const MESSAGE_ANIMATION_DURATION = 500;
 const BOTTOM_FOCUS_MARGIN = 20;
@@ -146,7 +144,6 @@ const MessageList: FC<OwnProps & StateProps> = ({
   chatId,
   threadId,
   type,
-  hasTools,
   isChatLoaded,
   isForum,
   isChannelChat,
@@ -405,7 +402,7 @@ const MessageList: FC<OwnProps & StateProps> = ({
     }
 
     if (!memoFocusingIdRef.current) {
-      updateStickyDates(container, hasTools);
+      updateStickyDates(container);
     }
 
     runDebouncedForScroll(() => {
@@ -474,7 +471,7 @@ const MessageList: FC<OwnProps & StateProps> = ({
   useSyncEffect(
     () => forceMeasure(() => rememberScrollPositionRef.current()),
     // This will run before modifying content and should match deps for `useLayoutEffectWithPrevDeps` below
-    [messageIds, isViewportNewest, hasTools, rememberScrollPositionRef],
+    [messageIds, isViewportNewest, rememberScrollPositionRef],
   );
   useEffect(
     () => rememberScrollPositionRef.current(),
@@ -591,7 +588,7 @@ const MessageList: FC<OwnProps & StateProps> = ({
         newScrollTop = scrollTop + (newAnchorTop - (anchorTopRef.current || 0));
       } else if (unreadDivider) {
         newScrollTop = Math.min(
-          unreadDivider.offsetTop - (hasTools ? UNREAD_DIVIDER_TOP_WITH_TOOLS : UNREAD_DIVIDER_TOP),
+          unreadDivider.offsetTop - UNREAD_DIVIDER_TOP,
           scrollHeight - scrollOffset,
         );
       } else {
@@ -619,7 +616,7 @@ const MessageList: FC<OwnProps & StateProps> = ({
       };
     });
     // This should match deps for `useSyncEffect` above
-  }, [messageIds, isViewportNewest, hasTools, getContainerHeight, prevContainerHeightRef, noMessageSendingAnimation]);
+  }, [messageIds, isViewportNewest, getContainerHeight, prevContainerHeightRef, noMessageSendingAnimation]);
 
   useEffectWithPrevDeps(([prevIsSelectModeActive]) => {
     if (prevIsSelectModeActive !== undefined) {
diff --git a/src/components/middle/MessageListContent.tsx b/src/components/middle/MessageListContent.tsx
index 0b61f700c..f5a7e1bd2 100644
--- a/src/components/middle/MessageListContent.tsx
+++ b/src/components/middle/MessageListContent.tsx
@@ -265,7 +265,7 @@ const MessageListContent: FC<OwnProps> = ({
 
     return (
       <div
-        className="message-date-group"
+        className={buildClassName('message-date-group', dateGroupIndex === 0 && 'first-message-date-group')}
         key={dateGroup.datetime}
         onMouseDown={preventMessageInputBlur}
         teactFastList
diff --git a/src/components/middle/MiddleColumn.tsx b/src/components/middle/MiddleColumn.tsx
index ab85a272d..8aab9b871 100644
--- a/src/components/middle/MiddleColumn.tsx
+++ b/src/components/middle/MiddleColumn.tsx
@@ -20,10 +20,6 @@ import {
   EDITABLE_INPUT_CSS_SELECTOR,
   EDITABLE_INPUT_ID,
   GENERAL_TOPIC_ID,
-  MAX_SCREEN_WIDTH_FOR_EXPAND_PINNED_MESSAGES,
-  MIN_SCREEN_WIDTH_FOR_STATIC_RIGHT_COLUMN,
-  MOBILE_SCREEN_MAX_WIDTH,
-  SAFE_SCREEN_WIDTH_FOR_STATIC_RIGHT_COLUMN,
   SUPPORTED_PHOTO_CONTENT_TYPES,
   TMP_CHAT_ID,
 } from '../../config';
@@ -45,7 +41,6 @@ import {
   selectCanAnimateInterface,
   selectChat,
   selectChatFullInfo,
-  selectChatMessage,
   selectCurrentMessageList,
   selectCurrentMiddleSearch,
   selectDraft,
@@ -95,6 +90,7 @@ import FloatingActionButtons from './FloatingActionButtons';
 import MessageList from './MessageList';
 import MessageSelectToolbar from './MessageSelectToolbar.async';
 import MiddleHeader from './MiddleHeader';
+import MiddleHeaderPanes from './MiddleHeaderPanes';
 import PremiumRequiredPlaceholder from './PremiumRequiredPlaceholder';
 import ReactorListModal from './ReactorListModal.async';
 import MiddleSearch from './search/MiddleSearch.async';
@@ -119,9 +115,6 @@ type StateProps = {
   canPost?: boolean;
   currentUserBannedRights?: ApiChatBannedRights;
   defaultBannedRights?: ApiChatBannedRights;
-  hasPinned?: boolean;
-  hasAudioPlayer?: boolean;
-  hasButtonInHeader?: boolean;
   pinnedMessagesCount?: number;
   theme: ThemeKey;
   customBackground?: string;
@@ -178,9 +171,6 @@ function MiddleColumn({
   canPost,
   currentUserBannedRights,
   defaultBannedRights,
-  hasPinned,
-  hasAudioPlayer,
-  hasButtonInHeader,
   pinnedMessagesCount,
   customBackground,
   theme,
@@ -251,15 +241,6 @@ function MiddleColumn({
   } = usePinnedMessage(chatId, threadId, pinnedIds);
 
   const closeAnimationDuration = isMobile ? LAYER_ANIMATION_DURATION_MS : undefined;
-  const hasTools = hasPinned && (
-    windowWidth < MOBILE_SCREEN_MAX_WIDTH
-    || hasAudioPlayer
-    || (
-      isRightColumnShown && windowWidth > MIN_SCREEN_WIDTH_FOR_STATIC_RIGHT_COLUMN
-      && windowWidth < SAFE_SCREEN_WIDTH_FOR_STATIC_RIGHT_COLUMN
-    )
-    || (!isMobile && hasButtonInHeader && windowWidth < MAX_SCREEN_WIDTH_FOR_EXPAND_PINNED_MESSAGES)
-  );
 
   const renderingChatId = usePrevDuringAnimation(chatId, closeAnimationDuration);
   const renderingThreadId = usePrevDuringAnimation(threadId, closeAnimationDuration);
@@ -271,7 +252,6 @@ function MiddleColumn({
   const renderingCanPost = usePrevDuringAnimation(canPost, closeAnimationDuration)
     && !renderingCanRestartBot && !renderingCanStartBot && !renderingCanSubscribe && !renderingCanUnblock
     && chatId !== TMP_CHAT_ID && !isContactRequirePremium;
-  const renderingHasTools = usePrevDuringAnimation(hasTools, closeAnimationDuration);
   const renderingIsScrollDownShown = usePrevDuringAnimation(
     isScrollDownShown, closeAnimationDuration,
   ) && chatId !== TMP_CHAT_ID;
@@ -430,7 +410,6 @@ function MiddleColumn({
   const customBackgroundValue = useCustomBackground(theme, customBackground);
 
   const className = buildClassName(
-    renderingHasTools && 'has-header-tools',
     MASK_IMAGE_DISABLED ? 'mask-image-disabled' : 'mask-image-enabled',
   );
 
@@ -522,12 +501,20 @@ function MiddleColumn({
       {Boolean(renderingChatId && renderingThreadId) && (
         <>
           <div className="messages-layout" onDragEnter={renderingCanPost ? handleDragEnter : undefined}>
+            <MiddleHeaderPanes
+              key={renderingChatId}
+              chatId={renderingChatId!}
+              threadId={renderingThreadId!}
+              messageListType={renderingMessageListType!}
+              getCurrentPinnedIndex={getCurrentPinnedIndex}
+              getLoadingPinnedId={getLoadingPinnedId}
+              onFocusPinnedMessage={handleFocusPinnedMessage}
+            />
             <MiddleHeader
               chatId={renderingChatId!}
               threadId={renderingThreadId!}
               messageListType={renderingMessageListType!}
               isComments={isComments}
-              isReady={isReady}
               isMobile={isMobile}
               getCurrentPinnedIndex={getCurrentPinnedIndex}
               getLoadingPinnedId={getLoadingPinnedId}
@@ -548,7 +535,6 @@ function MiddleColumn({
                 type={renderingMessageListType!}
                 isComments={isComments}
                 canPost={renderingCanPost!}
-                hasTools={renderingHasTools}
                 onScrollDownToggle={setIsScrollDownShown}
                 onNotchToggle={setIsNotchShown}
                 isReady={isReady}
@@ -728,7 +714,7 @@ export default memo(withGlobal<OwnProps>(
 
     const {
       messageLists, isLeftColumnShown, activeEmojiInteractions,
-      seenByModal, reactorModal, audioPlayer, shouldSkipHistoryAnimations,
+      seenByModal, reactorModal, shouldSkipHistoryAnimations,
       chatLanguageModal, privacySettingsNoticeModal,
     } = selectTabState(global);
     const currentMessageList = selectCurrentMessageList(global);
@@ -763,7 +749,6 @@ export default memo(withGlobal<OwnProps>(
     const chat = selectChat(global, chatId);
     const bot = selectBot(global, chatId);
     const pinnedIds = selectPinnedIds(global, chatId, threadId);
-    const { chatId: audioChatId, messageId: audioMessageId } = audioPlayer;
     const chatFullInfo = chatId ? selectChatFullInfo(global, chatId) : undefined;
 
     const threadInfo = selectThreadInfo(global, chatId, threadId);
@@ -790,16 +775,11 @@ export default memo(withGlobal<OwnProps>(
     const shouldBlockSendInForum = chat?.isForum
       ? threadId === MAIN_THREAD_ID && !draftReplyInfo && (selectTopic(global, chatId, GENERAL_TOPIC_ID)?.isClosed)
       : false;
-    const audioMessage = audioChatId && audioMessageId
-      ? selectChatMessage(global, audioChatId, audioMessageId)
-      : undefined;
     const topics = selectTopics(global, chatId);
 
     const isSavedDialog = getIsSavedDialog(chatId, threadId, global.currentUserId);
     const canShowOpenChatButton = isSavedDialog && threadId !== ANONYMOUS_USER_ID;
 
-    const isCommentThread = threadId !== MAIN_THREAD_ID && !isSavedDialog && !chat?.isForum;
-
     const canUnpin = chat && (
       isPrivate || (
         chat?.isCreator || (!isChannel && !isUserRightBanned(chat, 'pinMessages'))
@@ -829,9 +809,6 @@ export default memo(withGlobal<OwnProps>(
       isPinnedMessageList,
       currentUserBannedRights: chat?.currentUserBannedRights,
       defaultBannedRights: chat?.defaultBannedRights,
-      hasPinned: isCommentThread || Boolean(!isPinnedMessageList && pinnedIds?.length),
-      hasAudioPlayer: Boolean(audioMessage),
-      hasButtonInHeader: canStartBot || canRestartBot || canSubscribe || shouldSendJoinRequest,
       pinnedMessagesCount: pinnedIds ? pinnedIds.length : 0,
       shouldSkipHistoryAnimations,
       isChannel,
diff --git a/src/components/middle/MiddleHeader.scss b/src/components/middle/MiddleHeader.scss
index 2a6780779..61842e565 100644
--- a/src/components/middle/MiddleHeader.scss
+++ b/src/components/middle/MiddleHeader.scss
@@ -1,33 +1,9 @@
 @use "../../styles/mixins";
 
-@mixin mobile-header-styles() {
-  .AudioPlayer {
-    @include mixins.header-mobile;
-
-    flex-direction: row;
-    margin-top: 0;
-    padding: 0.25rem 0.5rem;
-
-    &-content {
-      padding: 0 0.5rem;
-      flex-grow: 1;
-    }
-
-    > .Button, > .playback-rate-menu {
-      margin: -0.0625rem 0 0;
-    }
-
-    > .player-close {
-      margin-left: auto;
-    }
-  }
-}
-
 .MiddleHeader {
   display: flex;
   align-items: center;
   width: 100%;
-  box-shadow: 0 2px 2px var(--color-light-shadow);
   background: var(--color-background);
   position: relative;
   z-index: var(--z-middle-header);
@@ -118,18 +94,7 @@
       }
     }
 
-    @media (min-width: 1276px) and (max-width: 1439px) {
-      .HeaderActions {
-        transform: translate3d(0, 0, 0);
-        transition: transform var(--layer-transition);
-
-        #Main.right-column-open & {
-          transform: translate3d(calc(var(--right-column-width) * -1), 0, 0);
-        }
-      }
-    }
-
-    @media (min-width: 1440px) {
+    @media (min-width: 1276px) {
       transform: translate3d(0, 0, 0);
       transition: transform var(--layer-transition);
 
@@ -144,34 +109,6 @@
     }
   }
 
-  @media (min-width: 1276px) and (max-width: 1439px) {
-    &:not(.tools-stacked) .AudioPlayer {
-      opacity: 1;
-
-      #Main.right-column-open & {
-        opacity: 0;
-      }
-    }
-  }
-
-  &.tools-stacked .AudioPlayer {
-    @include mobile-header-styles();
-
-    @media (min-width: 1150px) {
-      #Main.right-column-open & {
-        padding-right: calc(0.5rem + var(--right-column-width));
-      }
-    }
-  }
-
-  &.tools-stacked.animated .AudioPlayer {
-    animation: fade-in var(--layer-transition) forwards;
-
-    body.no-page-transitions & {
-      animation: none;
-    }
-  }
-
   h3 {
     font-weight: 500;
     font-size: 1.125rem;
@@ -384,10 +321,6 @@
     }
   }
 
-  @media (max-width: 600px) {
-    @include mobile-header-styles();
-  }
-
   body.is-electron.is-macos & {
     -webkit-app-region: drag;
   }
diff --git a/src/components/middle/MiddleHeader.tsx b/src/components/middle/MiddleHeader.tsx
index c18e6769d..1b160e8af 100644
--- a/src/components/middle/MiddleHeader.tsx
+++ b/src/components/middle/MiddleHeader.tsx
@@ -1,11 +1,11 @@
 import type { FC } from '../../lib/teact/teact';
 import React, {
-  memo, useEffect, useLayoutEffect, useRef,
+  memo, useRef,
 } from '../../lib/teact/teact';
 import { getActions, withGlobal } from '../../global';
 
 import type {
-  ApiChat, ApiMessage, ApiPeer, ApiSticker, ApiTypingStatus,
+  ApiChat, ApiMessage, ApiSticker, ApiTypingStatus,
 } from '../../api/types';
 import type { GlobalState, MessageListType } from '../../global/types';
 import type { Signal } from '../../util/signals';
@@ -14,35 +14,18 @@ import { StoryViewerOrigin, type ThreadId } from '../../types';
 
 import {
   EDITABLE_INPUT_CSS_SELECTOR,
-  MAX_SCREEN_WIDTH_FOR_EXPAND_PINNED_MESSAGES,
   MIN_SCREEN_WIDTH_FOR_STATIC_LEFT_COLUMN,
-  MIN_SCREEN_WIDTH_FOR_STATIC_RIGHT_COLUMN,
-  MOBILE_SCREEN_MAX_WIDTH,
-  SAFE_SCREEN_WIDTH_FOR_CHAT_INFO,
-  SAFE_SCREEN_WIDTH_FOR_STATIC_RIGHT_COLUMN,
 } from '../../config';
-import { requestMutation } from '../../lib/fasterdom/fasterdom';
 import {
-  getChatTitle,
   getIsSavedDialog,
-  getSenderTitle,
-  isChatChannel,
-  isChatSuperGroup,
   isUserId,
 } from '../../global/helpers';
 import {
-  selectAllowedMessageActionsSlow,
   selectChat,
   selectChatMessage,
-  selectChatMessages,
-  selectCurrentMiddleSearch,
-  selectForwardedSender,
-  selectIsChatBotNotStarted,
-  selectIsChatWithBot,
   selectIsChatWithSelf,
   selectIsInSelectMode,
   selectIsRightColumnShown,
-  selectIsUserBlocked,
   selectPinnedIds,
   selectScheduledIds,
   selectTabState,
@@ -50,36 +33,27 @@ import {
   selectThreadParam,
 } from '../../global/selectors';
 import buildClassName from '../../util/buildClassName';
-import cycleRestrict from '../../util/cycleRestrict';
-import { getMessageKey } from '../../util/keys/messageKey';
 
 import useAppLayout from '../../hooks/useAppLayout';
 import useConnectionStatus from '../../hooks/useConnectionStatus';
-import useCurrentOrPrev from '../../hooks/useCurrentOrPrev';
-import useDerivedState from '../../hooks/useDerivedState';
 import useElectronDrag from '../../hooks/useElectronDrag';
-import useEnsureMessage from '../../hooks/useEnsureMessage';
 import useLastCallback from '../../hooks/useLastCallback';
 import useLongPress from '../../hooks/useLongPress';
 import useOldLang from '../../hooks/useOldLang';
 import usePreviousDeprecated from '../../hooks/usePreviousDeprecated';
-import useShowTransitionDeprecated from '../../hooks/useShowTransitionDeprecated';
 import useWindowSize from '../../hooks/window/useWindowSize';
 
-import GroupCallTopPane from '../calls/group/GroupCallTopPane';
 import GroupChatInfo from '../common/GroupChatInfo';
 import PrivateChatInfo from '../common/PrivateChatInfo';
 import UnreadCounter from '../common/UnreadCounter';
 import Button from '../ui/Button';
 import Transition from '../ui/Transition';
-import AudioPlayer from './AudioPlayer';
-import ChatReportPanel from './ChatReportPanel';
 import HeaderActions from './HeaderActions';
-import HeaderPinnedMessage from './HeaderPinnedMessage';
+import AudioPlayer from './panes/AudioPlayer';
+import HeaderPinnedMessage from './panes/HeaderPinnedMessage';
 
 import './MiddleHeader.scss';
 
-const ANIMATION_DURATION = 350;
 const BACK_BUTTON_INACTIVE_TIME = 450;
 const EMOJI_STATUS_SIZE = 22;
 const SEARCH_LONGTAP_THRESHOLD = 500;
@@ -89,7 +63,6 @@ type OwnProps = {
   threadId: ThreadId;
   messageListType: MessageListType;
   isComments?: boolean;
-  isReady?: boolean;
   isMobile?: boolean;
   getCurrentPinnedIndex: Signal<number>;
   getLoadingPinnedId: Signal<number | undefined>;
@@ -98,11 +71,7 @@ type OwnProps = {
 
 type StateProps = {
   chat?: ApiChat;
-  pinnedMessageIds?: number[] | number;
-  messagesById?: Record<number, ApiMessage>;
-  canUnpin?: boolean;
   isSavedDialog?: boolean;
-  topMessageSender?: ApiPeer;
   typingStatus?: ApiTypingStatus;
   isSelectModeActive?: boolean;
   isLeftColumnShown?: boolean;
@@ -110,61 +79,45 @@ type StateProps = {
   audioMessage?: ApiMessage;
   messagesCount?: number;
   isChatWithSelf?: boolean;
-  hasButtonInHeader?: boolean;
   shouldSkipHistoryAnimations?: boolean;
   currentTransitionKey: number;
   connectionState?: GlobalState['connectionState'];
   isSyncing?: boolean;
-  isSynced?: boolean;
   isFetchingDifference?: boolean;
   emojiStatusSticker?: ApiSticker;
-  isMiddleSearchOpen?: boolean;
 };
 
 const MiddleHeader: FC<OwnProps & StateProps> = ({
   chatId,
   threadId,
   messageListType,
-  isReady,
   isMobile,
-  pinnedMessageIds,
-  messagesById,
-  canUnpin,
-  topMessageSender,
   typingStatus,
   isSelectModeActive,
   isLeftColumnShown,
-  isRightColumnShown,
   audioMessage,
   chat,
   messagesCount,
   isComments,
   isChatWithSelf,
-  hasButtonInHeader,
   shouldSkipHistoryAnimations,
   currentTransitionKey,
   connectionState,
   isSyncing,
-  isSynced,
   isFetchingDifference,
   getCurrentPinnedIndex,
   getLoadingPinnedId,
   emojiStatusSticker,
   isSavedDialog,
-  isMiddleSearchOpen,
   onFocusPinnedMessage,
 }) => {
   const {
     openThreadWithInfo,
-    pinMessage,
-    focusMessage,
     openChat,
     openPreviousChat,
-    loadPinnedMessages,
     toggleLeftColumn,
     exitMessageSelectMode,
     openPremiumModal,
-    openThread,
     openStickerSet,
     updateMiddleSearch,
   } = getActions();
@@ -173,32 +126,15 @@ const MiddleHeader: FC<OwnProps & StateProps> = ({
   const isBackButtonActive = useRef(true);
   const { isTablet } = useAppLayout();
 
-  const currentPinnedIndex = useDerivedState(getCurrentPinnedIndex);
-  const pinnedMessageId = Array.isArray(pinnedMessageIds) ? pinnedMessageIds[currentPinnedIndex] : pinnedMessageIds;
-  const pinnedMessage = messagesById && pinnedMessageId ? messagesById[pinnedMessageId] : undefined;
-  const pinnedMessagesCount = Array.isArray(pinnedMessageIds)
-    ? pinnedMessageIds.length : (pinnedMessageIds ? 1 : undefined);
-  const chatTitleLength = chat && getChatTitle(lang, chat).length;
-  const topMessageTitle = topMessageSender ? getSenderTitle(lang, topMessageSender) : undefined;
-  const { settings } = chat || {};
-  const isForum = chat?.isForum;
-
-  useEffect(() => {
-    if (isSynced && isReady && (threadId === MAIN_THREAD_ID || isForum)) {
-      loadPinnedMessages({ chatId, threadId });
-    }
-  }, [chatId, threadId, isSynced, isReady, isForum]);
-
-  useEnsureMessage(chatId, pinnedMessageId, pinnedMessage);
-
   const { width: windowWidth } = useWindowSize();
 
+  const { isDesktop } = useAppLayout();
+
   const isLeftColumnHideable = windowWidth <= MIN_SCREEN_WIDTH_FOR_STATIC_LEFT_COLUMN;
   const shouldShowCloseButton = isTablet && isLeftColumnShown;
 
   // eslint-disable-next-line no-null/no-null
   const componentRef = useRef<HTMLDivElement>(null);
-  const shouldAnimateTools = useRef<boolean>(true);
 
   const handleOpenSearch = useLastCallback(() => {
     updateMiddleSearch({ chatId, threadId, update: {} });
@@ -222,27 +158,6 @@ const MiddleHeader: FC<OwnProps & StateProps> = ({
     threshold: SEARCH_LONGTAP_THRESHOLD,
   });
 
-  const handleUnpinMessage = useLastCallback((messageId: number) => {
-    pinMessage({ messageId, isUnpin: true });
-  });
-
-  const handlePinnedMessageClick = useLastCallback((e: React.MouseEvent<HTMLElement, MouseEvent>): void => {
-    const messageId = e.shiftKey && Array.isArray(pinnedMessageIds)
-      ? pinnedMessageIds[cycleRestrict(pinnedMessageIds.length, pinnedMessageIds.indexOf(pinnedMessageId!) - 2)]
-      : pinnedMessageId!;
-
-    if (!getLoadingPinnedId()) {
-      focusMessage({
-        chatId, threadId, messageId, noForumTopicPanel: true,
-      });
-      onFocusPinnedMessage(messageId);
-    }
-  });
-
-  const handleAllPinnedClick = useLastCallback(() => {
-    openThread({ chatId, threadId, type: 'pinned' });
-  });
-
   const setBackButtonActive = useLastCallback(() => {
     setTimeout(() => {
       isBackButtonActive.current = true;
@@ -292,81 +207,14 @@ const MiddleHeader: FC<OwnProps & StateProps> = ({
     setBackButtonActive();
   });
 
-  const canToolsCollideWithChatInfo = (
-    windowWidth >= MIN_SCREEN_WIDTH_FOR_STATIC_LEFT_COLUMN
-    && windowWidth < SAFE_SCREEN_WIDTH_FOR_CHAT_INFO
-  ) || (
-    windowWidth > MOBILE_SCREEN_MAX_WIDTH
-    && windowWidth < MIN_SCREEN_WIDTH_FOR_STATIC_LEFT_COLUMN
-    && (!chatTitleLength || chatTitleLength > 30)
-  );
-  const shouldUseStackedToolsClass = canToolsCollideWithChatInfo || (
-    windowWidth > MIN_SCREEN_WIDTH_FOR_STATIC_RIGHT_COLUMN
-    && windowWidth < SAFE_SCREEN_WIDTH_FOR_STATIC_RIGHT_COLUMN
-  );
-
-  const hasChatSettings = Boolean(settings?.canAddContact || settings?.canBlockContact || settings?.canReportSpam);
-  const {
-    shouldRender: shouldShowChatReportPanel,
-    transitionClassNames: chatReportPanelClassNames,
-  } = useShowTransitionDeprecated(hasChatSettings);
-  const renderingChatSettings = useCurrentOrPrev(hasChatSettings ? settings : undefined, true);
-
-  const {
-    shouldRender: shouldRenderAudioPlayer,
-    transitionClassNames: audioPlayerClassNames,
-  } = useShowTransitionDeprecated(Boolean(audioMessage));
-
-  const renderingAudioMessage = useCurrentOrPrev(audioMessage, true);
-
-  const {
-    shouldRender: shouldRenderPinnedMessage,
-    transitionClassNames: pinnedMessageClassNames,
-  } = useShowTransitionDeprecated(Boolean(pinnedMessage) && !isMiddleSearchOpen, undefined, true);
-
-  const renderingPinnedMessage = useCurrentOrPrev(pinnedMessage, true);
-  const renderingPinnedMessagesCount = useCurrentOrPrev(pinnedMessagesCount, true);
-  const renderingCanUnpin = useCurrentOrPrev(canUnpin, true);
-  const renderingPinnedMessageTitle = useCurrentOrPrev(topMessageTitle);
-
   const prevTransitionKey = usePreviousDeprecated(currentTransitionKey);
   const cleanupExceptionKey = (
     prevTransitionKey !== undefined && prevTransitionKey < currentTransitionKey ? prevTransitionKey : undefined
   );
 
-  const canRevealTools = (shouldRenderPinnedMessage && renderingPinnedMessage)
-    || (shouldRenderAudioPlayer && renderingAudioMessage);
-
-  // Logic for transition to and from custom display of AudioPlayer/PinnedMessage on smaller screens
-  useLayoutEffect(() => {
-    const componentEl = componentRef.current;
-    if (!componentEl) {
-      return;
-    }
-
-    if (!shouldUseStackedToolsClass || !canRevealTools) {
-      componentEl.classList.remove('tools-stacked', 'animated');
-      shouldAnimateTools.current = true;
-      return;
-    }
-
-    if (isRightColumnShown || canToolsCollideWithChatInfo) {
-      if (shouldAnimateTools.current) {
-        componentEl.classList.add('tools-stacked', 'animated');
-        shouldAnimateTools.current = false;
-      }
-
-      // Remove animation class to prevent it messing up the show transitions
-      setTimeout(() => {
-        requestMutation(() => {
-          componentEl.classList.remove('animated');
-        });
-      }, ANIMATION_DURATION);
-    } else {
-      componentEl.classList.remove('tools-stacked');
-      shouldAnimateTools.current = true;
-    }
-  }, [shouldUseStackedToolsClass, canRevealTools, canToolsCollideWithChatInfo, isRightColumnShown]);
+  const isAudioPlayerActive = Boolean(audioMessage);
+  const isAudioPlayerRendering = isDesktop && isAudioPlayerActive;
+  const isPinnedMessagesFullWidth = isAudioPlayerActive || !isDesktop;
 
   const { connectionStatusText } = useConnectionStatus(lang, connectionState, isSyncing || isFetchingDifference, true);
 
@@ -470,10 +318,6 @@ const MiddleHeader: FC<OwnProps & StateProps> = ({
     );
   }
 
-  const isAudioPlayerRendered = Boolean(shouldRenderAudioPlayer && renderingAudioMessage);
-  const isPinnedMessagesFullWidth = isAudioPlayerRendered
-    || (!isMobile && hasButtonInHeader && windowWidth < MAX_SCREEN_WIDTH_FOR_EXPAND_PINNED_MESSAGES);
-
   useElectronDrag(componentRef);
 
   return (
@@ -486,56 +330,28 @@ const MiddleHeader: FC<OwnProps & StateProps> = ({
       >
         {renderInfo()}
       </Transition>
-
-      {threadId === MAIN_THREAD_ID && !chat?.isForum && (
-        <GroupCallTopPane
-          hasPinnedOffset={
-            (shouldRenderPinnedMessage && Boolean(renderingPinnedMessage))
-            || (shouldRenderAudioPlayer && Boolean(renderingAudioMessage))
-          }
-          chatId={chatId}
-        />
-      )}
-
-      {shouldRenderPinnedMessage && renderingPinnedMessage && (
+      {!isPinnedMessagesFullWidth && (
         <HeaderPinnedMessage
-          key={chatId}
-          message={renderingPinnedMessage}
-          count={renderingPinnedMessagesCount || 0}
-          index={currentPinnedIndex}
-          customTitle={renderingPinnedMessageTitle}
-          className={pinnedMessageClassNames}
-          onUnpinMessage={renderingCanUnpin ? handleUnpinMessage : undefined}
-          onClick={handlePinnedMessageClick}
-          onAllPinnedClick={handleAllPinnedClick}
-          getLoadingPinnedId={getLoadingPinnedId}
-          isFullWidth={isPinnedMessagesFullWidth}
-        />
-      )}
-
-      {shouldShowChatReportPanel && (
-        <ChatReportPanel
           key={chatId}
           chatId={chatId}
-          settings={renderingChatSettings}
-          className={chatReportPanelClassNames}
+          threadId={threadId}
+          messageListType={messageListType}
+          onFocusPinnedMessage={onFocusPinnedMessage}
+          getLoadingPinnedId={getLoadingPinnedId}
+          getCurrentPinnedIndex={getCurrentPinnedIndex}
         />
       )}
 
       <div className="header-tools">
-        {isAudioPlayerRendered && (
-          <AudioPlayer
-            key={getMessageKey(renderingAudioMessage!)}
-            message={renderingAudioMessage!}
-            className={audioPlayerClassNames}
-          />
+        {isAudioPlayerRendering && (
+          <AudioPlayer />
         )}
         <HeaderActions
           chatId={chatId}
           threadId={threadId}
           messageListType={messageListType}
           isMobile={isMobile}
-          canExpandActions={!isAudioPlayerRendered}
+          canExpandActions={!isAudioPlayerRendering}
         />
       </div>
     </div>
@@ -568,23 +384,14 @@ export default memo(withGlobal<OwnProps>(
       messagesCount = threadInfo?.messagesCount || 0;
     }
 
-    const isMainThread = messageListType === 'thread' && threadId === MAIN_THREAD_ID;
-    const isChatWithBot = chat && selectIsChatWithBot(global, chat);
-    const canRestartBot = Boolean(isChatWithBot && selectIsUserBlocked(global, chatId));
-    const canStartBot = isChatWithBot && !canRestartBot && Boolean(selectIsChatBotNotStarted(global, chatId));
-    const canSubscribe = Boolean(
-      chat && (isMainThread || chat.isForum) && (isChatChannel(chat) || isChatSuperGroup(chat)) && chat.isNotJoined,
-    );
-    const shouldSendJoinRequest = Boolean(chat?.isNotJoined && chat.isJoinRequest);
     const typingStatus = selectThreadParam(global, chatId, threadId, 'typingStatus');
 
     const emojiStatus = chat?.emojiStatus;
     const emojiStatusSticker = emojiStatus && global.customEmojis.byId[emojiStatus.documentId];
 
     const isSavedDialog = getIsSavedDialog(chatId, threadId, global.currentUserId);
-    const isMiddleSearchOpen = Boolean(selectCurrentMiddleSearch(global));
 
-    const state: StateProps = {
+    return {
       typingStatus,
       isLeftColumnShown,
       isRightColumnShown: selectIsRightColumnShown(global, isMobile),
@@ -597,52 +404,9 @@ export default memo(withGlobal<OwnProps>(
       currentTransitionKey: Math.max(0, messageLists.length - 1),
       connectionState: global.connectionState,
       isSyncing: global.isSyncing,
-      isSynced: global.isSynced,
       isFetchingDifference: global.isFetchingDifference,
       emojiStatusSticker,
-      hasButtonInHeader: canStartBot || canRestartBot || canSubscribe || shouldSendJoinRequest,
       isSavedDialog,
-      isMiddleSearchOpen,
     };
-
-    const messagesById = selectChatMessages(global, chatId);
-    if (messageListType !== 'thread' || !messagesById) {
-      return state;
-    }
-
-    if (threadId !== MAIN_THREAD_ID && !isSavedDialog && !chat?.isForum) {
-      const pinnedMessageId = Number(threadId);
-      const message = pinnedMessageId ? selectChatMessage(global, chatId, pinnedMessageId) : undefined;
-      const topMessageSender = message ? selectForwardedSender(global, message) : undefined;
-
-      return {
-        ...state,
-        pinnedMessageIds: pinnedMessageId,
-        messagesById,
-        canUnpin: false,
-        topMessageSender,
-      };
-    }
-
-    const pinnedMessageIds = !isSavedDialog ? selectPinnedIds(global, chatId, threadId) : undefined;
-    if (pinnedMessageIds?.length) {
-      const firstPinnedMessage = messagesById[pinnedMessageIds[0]];
-      const {
-        canUnpin = false,
-      } = (
-        firstPinnedMessage
-        && pinnedMessageIds.length === 1
-        && selectAllowedMessageActionsSlow(global, firstPinnedMessage, threadId)
-      ) || {};
-
-      return {
-        ...state,
-        pinnedMessageIds,
-        messagesById,
-        canUnpin,
-      };
-    }
-
-    return state;
   },
 )(MiddleHeader));
diff --git a/src/components/middle/MiddleHeaderPanes.module.scss b/src/components/middle/MiddleHeaderPanes.module.scss
new file mode 100644
index 000000000..5153e8efe
--- /dev/null
+++ b/src/components/middle/MiddleHeaderPanes.module.scss
@@ -0,0 +1,36 @@
+.root {
+  position: absolute;
+  top: 3.5rem;
+  left: 0;
+
+  width: 100%;
+
+  z-index: var(--z-middle-header);
+
+  /* stylelint-disable-next-line plugin/no-low-performance-animation-properties */
+  transition: width var(--layer-transition);
+
+  @media (min-width: 1276px) {
+    :global(#Main.right-column-open) & {
+      width: calc(100% - var(--right-column-width));
+    }
+  }
+
+  /* stylelint-disable-next-line plugin/selector-tag-no-without-class */
+  > div:last-child {
+    box-shadow: 0 2px 2px var(--color-light-shadow);
+  }
+
+  // In case if there are no children, we need to have a shadow
+  &::before {
+    content: '';
+    position: absolute;
+    pointer-events: none;
+    top: -2px;
+    height: 2px;
+    left: 0;
+    right: 0;
+    box-shadow: 0 2px 2px var(--color-light-shadow);
+    z-index: -100; // Hide behind the children
+  }
+}
diff --git a/src/components/middle/MiddleHeaderPanes.tsx b/src/components/middle/MiddleHeaderPanes.tsx
new file mode 100644
index 000000000..23ce1ea5c
--- /dev/null
+++ b/src/components/middle/MiddleHeaderPanes.tsx
@@ -0,0 +1,163 @@
+import React, {
+  memo, useRef, useSignal,
+} from '../../lib/teact/teact';
+import { setExtraStyles } from '../../lib/teact/teact-dom';
+import { withGlobal } from '../../global';
+
+import type { MessageListType } from '../../global/types';
+import type { ThreadId } from '../../types';
+import type { Signal } from '../../util/signals';
+import { type ApiChat, MAIN_THREAD_ID } from '../../api/types';
+
+import {
+  selectChat, selectChatMessage, selectCurrentMiddleSearch, selectTabState,
+} from '../../global/selectors';
+import buildClassName from '../../util/buildClassName';
+
+import useAppLayout from '../../hooks/useAppLayout';
+import useEffectOnce from '../../hooks/useEffectOnce';
+import useShowTransition from '../../hooks/useShowTransition';
+import { useSignalEffect } from '../../hooks/useSignalEffect';
+import { applyAnimationState, type PaneState } from './hooks/useHeaderPane';
+
+import GroupCallTopPane from '../calls/group/GroupCallTopPane';
+import AudioPlayer from './panes/AudioPlayer';
+import ChatReportPane from './panes/ChatReportPane';
+import HeaderPinnedMessage from './panes/HeaderPinnedMessage';
+
+import styles from './MiddleHeaderPanes.module.scss';
+
+type OwnProps = {
+  className?: string;
+  chatId: string;
+  threadId: ThreadId;
+  messageListType: MessageListType;
+  getCurrentPinnedIndex: Signal<number>;
+  getLoadingPinnedId: Signal<number | undefined>;
+  onFocusPinnedMessage: (messageId: number) => void;
+};
+
+type StateProps = {
+  chat?: ApiChat;
+  isAudioPlayerRendered?: boolean;
+  isMiddleSearchOpen?: boolean;
+};
+
+const FALLBACK_PANE_STATE = { height: 0 };
+
+const MiddleHeaderPanes = ({
+  className,
+  chatId,
+  threadId,
+  messageListType,
+  chat,
+  getCurrentPinnedIndex,
+  getLoadingPinnedId,
+  isAudioPlayerRendered,
+  isMiddleSearchOpen,
+  onFocusPinnedMessage,
+}: OwnProps & StateProps) => {
+  const { settings } = chat || {};
+
+  const { isDesktop } = useAppLayout();
+  const [getAudioPlayerState, setAudioPlayerState] = useSignal<PaneState>(FALLBACK_PANE_STATE);
+  const [getPinnedState, setPinnedState] = useSignal<PaneState>(FALLBACK_PANE_STATE);
+  const [getGroupCallState, setGroupCallState] = useSignal<PaneState>(FALLBACK_PANE_STATE);
+  const [getChatReportState, setChatReportState] = useSignal<PaneState>(FALLBACK_PANE_STATE);
+
+  const isPinnedMessagesFullWidth = isAudioPlayerRendered || !isDesktop;
+
+  const isFirstRenderRef = useRef(true);
+  const {
+    shouldRender,
+    ref,
+  } = useShowTransition({
+    isOpen: !isMiddleSearchOpen,
+    withShouldRender: true,
+  });
+
+  useEffectOnce(() => {
+    isFirstRenderRef.current = false;
+  });
+
+  useSignalEffect(() => {
+    const audioPlayerState = getAudioPlayerState();
+    const pinnedState = getPinnedState();
+    const groupCallState = getGroupCallState();
+    const chatReportState = getChatReportState();
+
+    // Keep in sync with the order of the panes in the DOM
+    const stateArray = [audioPlayerState, groupCallState, chatReportState, pinnedState];
+
+    const isFirstRender = isFirstRenderRef.current;
+    const totalHeight = stateArray.reduce((acc, state) => acc + state.height, 0);
+
+    const middleColumn = document.getElementById('MiddleColumn');
+    if (!middleColumn) return;
+
+    applyAnimationState(stateArray, isFirstRender);
+
+    setExtraStyles(middleColumn, {
+      '--middle-header-panes-height': `${totalHeight}px`,
+    });
+  }, [getAudioPlayerState, getGroupCallState, getPinnedState, getChatReportState]);
+
+  if (!shouldRender) return undefined;
+
+  return (
+    <div ref={ref} className={buildClassName(styles.root, className)}>
+      <AudioPlayer
+        isFullWidth
+        onPaneStateChange={setAudioPlayerState}
+        isHidden={isDesktop}
+      />
+      {threadId === MAIN_THREAD_ID && !chat?.isForum && (
+        <GroupCallTopPane
+          chatId={chatId}
+          onPaneStateChange={setGroupCallState}
+        />
+      )}
+      <ChatReportPane
+        chatId={chatId}
+        canAddContact={settings?.canAddContact}
+        canBlockContact={settings?.canBlockContact}
+        canReportSpam={settings?.canReportSpam}
+        isAutoArchived={settings?.isAutoArchived}
+        onPaneStateChange={setChatReportState}
+      />
+      <HeaderPinnedMessage
+        chatId={chatId}
+        threadId={threadId}
+        messageListType={messageListType}
+        onFocusPinnedMessage={onFocusPinnedMessage}
+        getLoadingPinnedId={getLoadingPinnedId}
+        getCurrentPinnedIndex={getCurrentPinnedIndex}
+        onPaneStateChange={setPinnedState}
+        isFullWidth
+        shouldHide={!isPinnedMessagesFullWidth}
+      />
+    </div>
+  );
+};
+
+export default memo(withGlobal<OwnProps>(
+  (global, {
+    chatId,
+  }): StateProps => {
+    const { audioPlayer } = selectTabState(global);
+    const chat = selectChat(global, chatId);
+
+    const { chatId: audioChatId, messageId: audioMessageId } = audioPlayer;
+    const audioMessage = audioChatId && audioMessageId
+      ? selectChatMessage(global, audioChatId, audioMessageId)
+      : undefined;
+
+    const isMiddleSearchOpen = Boolean(selectCurrentMiddleSearch(global));
+
+    return {
+      chat,
+      isAudioPlayerRendered: Boolean(audioMessage),
+      isMiddleSearchOpen,
+    };
+  },
+)(MiddleHeaderPanes));
diff --git a/src/components/middle/composer/helpers/renderKeyboardButtonText.tsx b/src/components/middle/composer/helpers/renderKeyboardButtonText.tsx
index e46c00ffd..88d3b707f 100644
--- a/src/components/middle/composer/helpers/renderKeyboardButtonText.tsx
+++ b/src/components/middle/composer/helpers/renderKeyboardButtonText.tsx
@@ -1,6 +1,7 @@
 import React, { type TeactNode } from '../../../../lib/teact/teact';
 
 import type { ApiKeyboardButton } from '../../../../api/types';
+import type { LangFn } from '../../../../util/localization';
 
 import { STARS_ICON_PLACEHOLDER } from '../../../../config';
 import { replaceWithTeact } from '../../../../util/replaceWithTeact';
@@ -10,7 +11,7 @@ import { type OldLangFn } from '../../../../hooks/useOldLang';
 
 import Icon from '../../../common/icons/Icon';
 
-export default function renderKeyboardButtonText(lang: OldLangFn, button: ApiKeyboardButton): TeactNode {
+export default function renderKeyboardButtonText(lang: OldLangFn | LangFn, button: ApiKeyboardButton): TeactNode {
   if (button.type === 'receipt') {
     return lang('PaymentReceipt');
   }
diff --git a/src/components/middle/hooks/useHeaderPane.tsx b/src/components/middle/hooks/useHeaderPane.tsx
new file mode 100644
index 000000000..afd3e60c0
--- /dev/null
+++ b/src/components/middle/hooks/useHeaderPane.tsx
@@ -0,0 +1,133 @@
+import {
+  type RefObject,
+  useEffect,
+  useLayoutEffect,
+  useRef,
+  useState,
+  useUnmountCleanup,
+} from '../../../lib/teact/teact';
+import { setExtraStyles } from '../../../lib/teact/teact-dom';
+
+import { requestForcedReflow, requestNextMutation } from '../../../lib/fasterdom/fasterdom';
+
+import useTimeout from '../../../hooks/schedulers/useTimeout';
+import useLastCallback from '../../../hooks/useLastCallback';
+
+export interface PaneState {
+  element?: HTMLElement;
+  height: number;
+  isOpen?: boolean;
+}
+
+// Max slide transition duration
+const CLOSE_DURATION = 450;
+
+export default function useHeaderPane<RefType extends HTMLElement = HTMLDivElement>({
+  ref: providedRef,
+  isOpen,
+  isDisabled,
+  onStateChange,
+} : {
+  ref?: RefObject<RefType | null>;
+  isOpen?: boolean;
+  isDisabled?: boolean;
+  onStateChange?: (state: PaneState) => void;
+}) {
+  const [shouldRender, setShouldRender] = useState(true);
+  // eslint-disable-next-line no-null/no-null
+  const localRef = useRef<RefType>(null);
+  const ref = providedRef || localRef;
+
+  const reset = useLastCallback(() => {
+    setShouldRender(true);
+    onStateChange?.({
+      element: undefined,
+      height: 0,
+      isOpen: false,
+    });
+  });
+
+  useEffect(() => {
+    if (isDisabled) {
+      reset();
+    }
+  }, [isDisabled]);
+
+  useEffect(() => {
+    if (isOpen) {
+      setShouldRender(true);
+    }
+  }, [isOpen]);
+
+  useUnmountCleanup(reset);
+
+  useTimeout(() => {
+    setShouldRender(false);
+  }, !isOpen ? CLOSE_DURATION : undefined);
+
+  useLayoutEffect(() => {
+    const element = ref.current;
+    if (isDisabled || !element || !shouldRender) return;
+
+    if (!isOpen) {
+      onStateChange?.({
+        element,
+        height: 0,
+        isOpen: false,
+      });
+      return;
+    }
+
+    requestForcedReflow(() => {
+      const currentHeight = element.offsetHeight;
+      return () => {
+        onStateChange?.({
+          element,
+          height: currentHeight,
+          isOpen,
+        });
+      };
+    });
+  }, [isOpen, shouldRender, isDisabled, ref, onStateChange]);
+
+  return {
+    shouldRender,
+    ref,
+  };
+}
+
+export function applyAnimationState(list: PaneState[], noTransition = false) {
+  let cumulativeHeight = 0;
+  for (let i = 0; i < list.length; i++) {
+    const state = list[i];
+    const element = state.element;
+    if (!element) {
+      continue;
+    }
+
+    const shiftPx = `${cumulativeHeight}px`;
+
+    const apply = () => {
+      setExtraStyles(element, {
+        transform: `translateY(${state.isOpen ? shiftPx : `calc(${shiftPx} - 100%)`})`,
+        zIndex: String(-i),
+        transition: noTransition ? 'none' : '',
+      });
+    };
+
+    if (!element.dataset.isPanelOpen && state.isOpen && !noTransition) {
+      // Start animation right above its final position
+      setExtraStyles(element, {
+        transform: `translateY(calc(${shiftPx} - 100%))`,
+        zIndex: String(-i),
+        transition: 'none',
+      });
+      element.dataset.isPanelOpen = 'true';
+      requestNextMutation(apply);
+    } else {
+      apply();
+    }
+
+    cumulativeHeight += state.height;
+  }
+}
diff --git a/src/components/middle/hooks/useStickyDates.ts b/src/components/middle/hooks/useStickyDates.ts
index 854938aeb..c96043afb 100644
--- a/src/components/middle/hooks/useStickyDates.ts
+++ b/src/components/middle/hooks/useStickyDates.ts
@@ -6,7 +6,6 @@ import useRunDebounced from '../../../hooks/useRunDebounced';
 
 const DEBOUNCE = 1000;
 const STICKY_TOP = 10;
-const STICKY_TOP_WITH_TOOLS = 60;
 
 export default function useStickyDates() {
   // For some reason we can not synchronously hide a sticky element (from `useLayoutEffect`) when chat opens
@@ -15,7 +14,7 @@ export default function useStickyDates() {
 
   const runDebounced = useRunDebounced(DEBOUNCE, true);
 
-  const updateStickyDates = useLastCallback((container: HTMLDivElement, hasTools?: boolean) => {
+  const updateStickyDates = useLastCallback((container: HTMLDivElement) => {
     markIsScrolled();
 
     if (!document.body.classList.contains('is-scrolling-messages')) {
@@ -25,7 +24,7 @@ export default function useStickyDates() {
     }
 
     runDebounced(() => {
-      const stuckDateEl = findStuckDate(container, hasTools);
+      const stuckDateEl = findStuckDate(container);
       if (stuckDateEl) {
         requestMutation(() => {
           stuckDateEl.classList.add('stuck');
@@ -49,13 +48,16 @@ export default function useStickyDates() {
   };
 }
 
-function findStuckDate(container: HTMLElement, hasTools?: boolean) {
+function findStuckDate(container: HTMLElement) {
   const allElements = container.querySelectorAll<HTMLDivElement>('.sticky-date');
   const containerTop = container.scrollTop;
 
+  const computedStyle = getComputedStyle(container);
+  const headerActionsHeight = parseInt(computedStyle.getPropertyValue('--middle-header-panes-height'), 10);
+
   return Array.from(allElements).find((el) => {
     const { offsetTop, offsetHeight } = el;
     const top = offsetTop - containerTop;
-    return -offsetHeight <= top && top <= (hasTools ? STICKY_TOP_WITH_TOOLS : STICKY_TOP);
+    return -offsetHeight <= top && top <= (headerActionsHeight || STICKY_TOP);
   });
 }
diff --git a/src/components/middle/message/ContextMenuContainer.tsx b/src/components/middle/message/ContextMenuContainer.tsx
index 8a4f891b9..a03b4302c 100644
--- a/src/components/middle/message/ContextMenuContainer.tsx
+++ b/src/components/middle/message/ContextMenuContainer.tsx
@@ -406,7 +406,7 @@ const ContextMenuContainer: FC<OwnProps & StateProps> = ({
   });
 
   const handleUnpin = useLastCallback(() => {
-    pinMessage({ messageId: message.id, isUnpin: true });
+    pinMessage({ chatId: message.chatId, messageId: message.id, isUnpin: true });
     closeMenu();
   });
 
diff --git a/src/components/middle/message/MessageContextMenu.tsx b/src/components/middle/message/MessageContextMenu.tsx
index e00737cda..f809dd8a5 100644
--- a/src/components/middle/message/MessageContextMenu.tsx
+++ b/src/components/middle/message/MessageContextMenu.tsx
@@ -312,10 +312,10 @@ const MessageContextMenu: FC<OwnProps> = ({
   const getLayout = useLastCallback(() => {
     const extraHeightAudioPlayer = (isMobile
       && (document.querySelector<HTMLElement>('.AudioPlayer-content'))?.offsetHeight) || 0;
-    const pinnedElement = document.querySelector<HTMLElement>('.HeaderPinnedMessageWrapper');
-    const extraHeightPinned = (((isMobile && !extraHeightAudioPlayer)
-        || (!isMobile && pinnedElement?.classList.contains('full-width')))
-      && pinnedElement?.offsetHeight) || 0;
+    const middleColumn = document.getElementById('MiddleColumn')!;
+    const middleColumnComputedStyle = getComputedStyle(middleColumn);
+    const headerToolsHeight = parseFloat(middleColumnComputedStyle.getPropertyValue('--middle-header-panes-height'));
+    const extraHeightPinned = headerToolsHeight || 0;
 
     return {
       extraPaddingX: SCROLLBAR_WIDTH,
diff --git a/src/components/middle/AudioPlayer.scss b/src/components/middle/panes/AudioPlayer.scss
similarity index 96%
rename from src/components/middle/AudioPlayer.scss
rename to src/components/middle/panes/AudioPlayer.scss
index d89a217d5..cf0cfe2bb 100644
--- a/src/components/middle/AudioPlayer.scss
+++ b/src/components/middle/panes/AudioPlayer.scss
@@ -1,8 +1,9 @@
+@use "../../../styles/mixins";
+
 .AudioPlayer {
   display: flex;
+  align-items: center;
   margin-left: auto;
-  margin-top: -0.25rem;
-  margin-bottom: -0.25rem;
 
   body.no-page-transitions & {
     transition: none !important;
@@ -170,10 +171,6 @@
       max-width: 10rem;
     }
 
-    @media (max-width: 600px) {
-      max-width: 100%;
-    }
-
     @media (min-width: 1440px) {
       max-width: 24rem;
       .right-column-shown & {
@@ -213,6 +210,15 @@
     }
   }
 
+  &.full-width-player {
+    @include mixins.header-pane;
+
+    .AudioPlayer-content {
+      max-width: none;
+      flex-grow: 1;
+    }
+  }
+
   .playback-rate-menu .bubble {
     min-width: auto;
 
diff --git a/src/components/middle/AudioPlayer.tsx b/src/components/middle/panes/AudioPlayer.tsx
similarity index 72%
rename from src/components/middle/AudioPlayer.tsx
rename to src/components/middle/panes/AudioPlayer.tsx
index ef1a538a2..a36d65e89 100644
--- a/src/components/middle/AudioPlayer.tsx
+++ b/src/components/middle/panes/AudioPlayer.tsx
@@ -1,47 +1,54 @@
-import type { FC } from '../../lib/teact/teact';
-import React, { useMemo, useRef } from '../../lib/teact/teact';
-import { getActions, withGlobal } from '../../global';
+import type { FC } from '../../../lib/teact/teact';
+import React, { useMemo } from '../../../lib/teact/teact';
+import { getActions, withGlobal } from '../../../global';
 
 import type {
   ApiAudio, ApiChat, ApiMessage, ApiPeer,
-} from '../../api/types';
-import type { AudioOrigin } from '../../types';
+  MediaContent,
+} from '../../../api/types';
 
-import { PLAYBACK_RATE_FOR_AUDIO_MIN_DURATION } from '../../config';
+import { PLAYBACK_RATE_FOR_AUDIO_MIN_DURATION } from '../../../config';
 import {
   getMediaDuration, getMessageContent, getMessageMediaHash, getSenderTitle, isMessageLocal,
-} from '../../global/helpers';
-import { selectChat, selectSender, selectTabState } from '../../global/selectors';
-import { makeTrackId } from '../../util/audioPlayer';
-import buildClassName from '../../util/buildClassName';
-import * as mediaLoader from '../../util/mediaLoader';
-import { clearMediaSession } from '../../util/mediaSession';
-import { IS_IOS, IS_TOUCH_ENV } from '../../util/windowEnvironment';
-import renderText from '../common/helpers/renderText';
+} from '../../../global/helpers';
+import {
+  selectChat, selectChatMessage, selectSender, selectTabState,
+} from '../../../global/selectors';
+import { makeTrackId } from '../../../util/audioPlayer';
+import buildClassName from '../../../util/buildClassName';
+import * as mediaLoader from '../../../util/mediaLoader';
+import { clearMediaSession } from '../../../util/mediaSession';
+import { IS_IOS, IS_TOUCH_ENV } from '../../../util/windowEnvironment';
+import renderText from '../../common/helpers/renderText';
 
-import useAppLayout from '../../hooks/useAppLayout';
-import useAudioPlayer from '../../hooks/useAudioPlayer';
-import useContextMenuHandlers from '../../hooks/useContextMenuHandlers';
-import useLastCallback from '../../hooks/useLastCallback';
-import useMessageMediaMetadata from '../../hooks/useMessageMediaMetadata';
-import useOldLang from '../../hooks/useOldLang';
+import useAppLayout from '../../../hooks/useAppLayout';
+import useAudioPlayer from '../../../hooks/useAudioPlayer';
+import useContextMenuHandlers from '../../../hooks/useContextMenuHandlers';
+import useCurrentOrPrev from '../../../hooks/useCurrentOrPrev';
+import useLastCallback from '../../../hooks/useLastCallback';
+import useMessageMediaMetadata from '../../../hooks/useMessageMediaMetadata';
+import useOldLang from '../../../hooks/useOldLang';
+import useShowTransition from '../../../hooks/useShowTransition';
+import useHeaderPane, { type PaneState } from '../hooks/useHeaderPane';
 
-import Button from '../ui/Button';
-import DropdownMenu from '../ui/DropdownMenu';
-import MenuItem from '../ui/MenuItem';
-import RangeSlider from '../ui/RangeSlider';
-import RippleEffect from '../ui/RippleEffect';
+import Button from '../../ui/Button';
+import DropdownMenu from '../../ui/DropdownMenu';
+import MenuItem from '../../ui/MenuItem';
+import RangeSlider from '../../ui/RangeSlider';
+import RippleEffect from '../../ui/RippleEffect';
 
 import './AudioPlayer.scss';
 
 type OwnProps = {
-  message: ApiMessage;
-  origin?: AudioOrigin;
   className?: string;
   noUi?: boolean;
+  isFullWidth?: boolean;
+  isHidden?: boolean;
+  onPaneStateChange?: (state: PaneState) => void;
 };
 
 type StateProps = {
+  message?: ApiMessage;
   sender?: ApiPeer;
   chat?: ApiChat;
   volume: number;
@@ -72,6 +79,8 @@ const AudioPlayer: FC<OwnProps & StateProps> = ({
   playbackRate,
   isPlaybackRateActive,
   isMuted,
+  isFullWidth,
+  onPaneStateChange,
 }) => {
   const {
     setAudioPlayerVolume,
@@ -81,16 +90,19 @@ const AudioPlayer: FC<OwnProps & StateProps> = ({
     closeAudioPlayer,
   } = getActions();
 
-  // eslint-disable-next-line no-null/no-null
-  const ref = useRef<HTMLDivElement>(null);
   const lang = useOldLang();
+
   const { isMobile } = useAppLayout();
-  const { audio, voice, video } = getMessageContent(message);
+  const renderingMessage = useCurrentOrPrev(message);
+
+  const { audio, voice, video } = renderingMessage ? getMessageContent(renderingMessage) : {} satisfies MediaContent;
   const isVoice = Boolean(voice || video);
   const shouldRenderPlaybackButton = isVoice || (audio?.duration || 0) > PLAYBACK_RATE_FOR_AUDIO_MIN_DURATION;
   const senderName = sender ? getSenderTitle(lang, sender) : undefined;
-  const mediaData = mediaLoader.getFromMemory(getMessageMediaHash(message, 'inline')!) as (string | undefined);
-  const mediaMetadata = useMessageMediaMetadata(message, sender, chat);
+
+  const mediaHash = renderingMessage && getMessageMediaHash(renderingMessage, 'inline');
+  const mediaData = mediaHash && mediaLoader.getFromMemory(mediaHash);
+  const mediaMetadata = useMessageMediaMetadata(renderingMessage, sender, chat);
 
   const {
     playPause,
@@ -104,8 +116,8 @@ const AudioPlayer: FC<OwnProps & StateProps> = ({
     toggleMuted,
     setPlaybackRate,
   } = useAudioPlayer(
-    makeTrackId(message),
-    getMediaDuration(message)!,
+    message && makeTrackId(message),
+    message ? getMediaDuration(message)! : 0,
     isVoice ? 'voice' : 'audio',
     mediaData,
     undefined,
@@ -114,18 +126,34 @@ const AudioPlayer: FC<OwnProps & StateProps> = ({
     true,
     undefined,
     undefined,
-    isMessageLocal(message),
+    message && isMessageLocal(message),
     true,
   );
 
+  const isOpen = Boolean(message);
+  const {
+    ref: transitionRef,
+  } = useShowTransition({
+    isOpen,
+    shouldForceOpen: isFullWidth, // Use pane animation instead
+  });
+
+  const { ref, shouldRender } = useHeaderPane({
+    isOpen,
+    isDisabled: !isFullWidth,
+    ref: transitionRef,
+    onStateChange: onPaneStateChange,
+  });
+
   const {
     isContextMenuOpen,
     handleBeforeContextMenu, handleContextMenu,
     handleContextMenuClose, handleContextMenuHide,
-  } = useContextMenuHandlers(ref);
+  } = useContextMenuHandlers(transitionRef, !shouldRender);
 
   const handleClick = useLastCallback(() => {
-    focusMessage({ chatId: message.chatId, messageId: message.id });
+    const { chatId, id } = renderingMessage!;
+    focusMessage({ chatId, messageId: id });
   });
 
   const handleClose = useLastCallback(() => {
@@ -221,12 +249,16 @@ const AudioPlayer: FC<OwnProps & StateProps> = ({
     return 'icon-volume-3';
   }, [volume, isMuted]);
 
-  if (noUi) {
+  if (noUi || !shouldRender) {
     return undefined;
   }
 
   return (
-    <div className={buildClassName('AudioPlayer', className)} dir={lang.isRtl ? 'rtl' : undefined} ref={ref}>
+    <div
+      className={buildClassName('AudioPlayer', isFullWidth ? 'full-width-player' : 'mini-player', className)}
+      dir={lang.isRtl ? 'rtl' : undefined}
+      ref={ref}
+    >
       <div className="AudioPlayer-content" onClick={handleClick}>
         {audio ? renderAudio(audio) : renderVoice(lang('AttachAudio'), senderName)}
         <RippleEffect />
@@ -365,14 +397,19 @@ function renderPlaybackRateMenuItem(
 }
 
 export default withGlobal<OwnProps>(
-  (global, { message }): StateProps => {
-    const sender = selectSender(global, message);
-    const chat = selectChat(global, message.chatId);
+  (global, { isHidden }): StateProps => {
+    const { audioPlayer } = selectTabState(global);
+    const { chatId, messageId } = audioPlayer;
+    const message = !isHidden && chatId && messageId ? selectChatMessage(global, chatId, messageId) : undefined;
+
+    const sender = message && selectSender(global, message);
+    const chat = message && selectChat(global, message.chatId);
     const {
       volume, playbackRate, isMuted, isPlaybackRateActive,
     } = selectTabState(global).audioPlayer;
 
     return {
+      message,
       sender,
       chat,
       volume,
diff --git a/src/components/middle/panes/ChatReportPane.scss b/src/components/middle/panes/ChatReportPane.scss
new file mode 100644
index 000000000..671ead4cd
--- /dev/null
+++ b/src/components/middle/panes/ChatReportPane.scss
@@ -0,0 +1,20 @@
+@use "../../../styles/mixins";
+
+.ChatReportPane {
+  @include mixins.header-pane;
+
+  display: flex;
+  align-items: center;
+
+  body.no-page-transitions & {
+    .ripple-container {
+      display: none;
+    }
+  }
+
+  &--Button {
+    margin-left: 0.25rem;
+    flex: 1 1 50%;
+    white-space: nowrap;
+  }
+}
diff --git a/src/components/middle/ChatReportPanel.tsx b/src/components/middle/panes/ChatReportPane.tsx
similarity index 56%
rename from src/components/middle/ChatReportPanel.tsx
rename to src/components/middle/panes/ChatReportPane.tsx
index 2d7ef08b1..c790e87e5 100644
--- a/src/components/middle/ChatReportPanel.tsx
+++ b/src/components/middle/panes/ChatReportPane.tsx
@@ -1,29 +1,36 @@
-import type { FC } from '../../lib/teact/teact';
-import React, { memo, useState } from '../../lib/teact/teact';
-import { getActions, withGlobal } from '../../global';
+import type { FC } from '../../../lib/teact/teact';
+import React, { memo, useState } from '../../../lib/teact/teact';
+import { getActions, withGlobal } from '../../../global';
 
-import type { ApiChat, ApiChatSettings, ApiUser } from '../../api/types';
+import type { ApiChat, ApiUser } from '../../../api/types';
 
 import {
   getChatTitle, getUserFirstOrLastName, getUserFullName, isChatBasicGroup,
-} from '../../global/helpers';
-import { selectChat, selectUser } from '../../global/selectors';
-import buildClassName from '../../util/buildClassName';
+} from '../../../global/helpers';
+import { selectChat, selectUser } from '../../../global/selectors';
+import buildClassName from '../../../util/buildClassName';
 
-import useFlag from '../../hooks/useFlag';
-import useLastCallback from '../../hooks/useLastCallback';
-import useOldLang from '../../hooks/useOldLang';
+import useCurrentOrPrev from '../../../hooks/useCurrentOrPrev';
+import useFlag from '../../../hooks/useFlag';
+import useLastCallback from '../../../hooks/useLastCallback';
+import useOldLang from '../../../hooks/useOldLang';
+import useHeaderPane, { type PaneState } from '../hooks/useHeaderPane';
 
-import Button from '../ui/Button';
-import Checkbox from '../ui/Checkbox';
-import ConfirmDialog from '../ui/ConfirmDialog';
+import Icon from '../../common/icons/Icon';
+import Button from '../../ui/Button';
+import Checkbox from '../../ui/Checkbox';
+import ConfirmDialog from '../../ui/ConfirmDialog';
 
-import './ChatReportPanel.scss';
+import './ChatReportPane.scss';
 
 type OwnProps = {
   chatId: string;
   className?: string;
-  settings?: ApiChatSettings;
+  isAutoArchived?: boolean;
+  canReportSpam?: boolean;
+  canAddContact?: boolean;
+  canBlockContact?: boolean;
+  onPaneStateChange?: (state: PaneState) => void;
 };
 
 type StateProps = {
@@ -32,8 +39,17 @@ type StateProps = {
   user?: ApiUser;
 };
 
-const ChatReportPanel: FC<OwnProps & StateProps> = ({
-  chatId, className, chat, user, settings, currentUserId,
+const ChatReportPane: FC<OwnProps & StateProps> = ({
+  chatId,
+  className,
+  isAutoArchived,
+  canReportSpam,
+  canAddContact,
+  canBlockContact,
+  chat,
+  user,
+  currentUserId,
+  onPaneStateChange,
 }) => {
   const {
     openAddContactDialog,
@@ -44,21 +60,23 @@ const ChatReportPanel: FC<OwnProps & StateProps> = ({
     deleteChatUser,
     deleteHistory,
     toggleChatArchived,
-    hideChatReportPanel,
+    hideChatReportPane,
   } = getActions();
 
   const lang = useOldLang();
   const [isBlockUserModalOpen, openBlockUserModal, closeBlockUserModal] = useFlag();
   const [shouldReportSpam, setShouldReportSpam] = useState<boolean>(true);
   const [shouldDeleteChat, setShouldDeleteChat] = useState<boolean>(true);
-  const {
-    isAutoArchived, canReportSpam, canAddContact, canBlockContact,
-  } = settings || {};
   const isBasicGroup = chat && isChatBasicGroup(chat);
 
+  const renderingCanAddContact = useCurrentOrPrev(canAddContact);
+  const renderingCanBlockContact = useCurrentOrPrev(canBlockContact);
+  const renderingCanReportSpam = useCurrentOrPrev(canReportSpam);
+  const renderingIsAutoArchived = useCurrentOrPrev(isAutoArchived);
+
   const handleAddContact = useLastCallback(() => {
     openAddContactDialog({ userId: chatId });
-    if (isAutoArchived) {
+    if (renderingIsAutoArchived) {
       toggleChatArchived({ id: chatId });
     }
   });
@@ -66,7 +84,7 @@ const ChatReportPanel: FC<OwnProps & StateProps> = ({
   const handleConfirmBlock = useLastCallback(() => {
     closeBlockUserModal();
     blockUser({ userId: chatId });
-    if (canReportSpam && shouldReportSpam) {
+    if (renderingCanReportSpam && shouldReportSpam) {
       reportSpam({ chatId });
     }
     if (shouldDeleteChat) {
@@ -74,8 +92,8 @@ const ChatReportPanel: FC<OwnProps & StateProps> = ({
     }
   });
 
-  const handleCloseReportPanel = useLastCallback(() => {
-    hideChatReportPanel({ chatId });
+  const handleCloseReportPane = useLastCallback(() => {
+    hideChatReportPane({ chatId });
   });
 
   const handleChatReportSpam = useLastCallback(() => {
@@ -89,42 +107,53 @@ const ChatReportPanel: FC<OwnProps & StateProps> = ({
     }
   });
 
-  if (!settings || (!chat && !user)) {
-    return undefined;
-  }
+  const hasAnyButton = canAddContact || canBlockContact || canReportSpam;
+
+  const isRendering = Boolean(hasAnyButton && (chat || user));
+
+  const { ref, shouldRender } = useHeaderPane({
+    isOpen: isRendering,
+    onStateChange: onPaneStateChange,
+  });
+
+  if (!shouldRender) return undefined;
 
   return (
-    <div className={buildClassName('ChatReportPanel', className)} dir={lang.isRtl ? 'rtl' : undefined}>
-      {canAddContact && (
+    <div
+      ref={ref}
+      className={buildClassName('ChatReportPane', className)}
+      dir={lang.isRtl ? 'rtl' : undefined}
+    >
+      {renderingCanAddContact && (
         <Button
           isText
           fluid
           size="tiny"
-          className="UserReportPanel--Button"
+          className="ChatReportPane--Button"
           onClick={handleAddContact}
         >
           {lang('lng_new_contact_add')}
         </Button>
       )}
-      {canBlockContact && (
+      {renderingCanBlockContact && (
         <Button
           color="danger"
           isText
           fluid
           size="tiny"
-          className="UserReportPanel--Button"
+          className="ChatReportPane--Button"
           onClick={openBlockUserModal}
         >
           {lang('lng_new_contact_block')}
         </Button>
       )}
-      {canReportSpam && !canBlockContact && (
+      {renderingCanReportSpam && !renderingCanBlockContact && (
         <Button
           color="danger"
           isText
           fluid
           size="tiny"
-          className="UserReportPanel--Button"
+          className="ChatReportPane--Button"
           onClick={openBlockUserModal}
         >
           {lang('lng_report_spam_and_leave')}
@@ -133,12 +162,12 @@ const ChatReportPanel: FC<OwnProps & StateProps> = ({
       <Button
         round
         ripple
-        size="tiny"
+        size="smaller"
         color="translucent"
-        onClick={handleCloseReportPanel}
+        onClick={handleCloseReportPane}
         ariaLabel={lang('Close')}
       >
-        <i className="icon icon-close" />
+        <Icon name="close" />
       </Button>
       <ConfirmDialog
         isOpen={isBlockUserModalOpen}
@@ -176,4 +205,4 @@ export default memo(withGlobal<OwnProps>(
     chat: selectChat(global, chatId),
     user: selectUser(global, chatId),
   }),
-)(ChatReportPanel));
+)(ChatReportPane));
diff --git a/src/components/middle/HeaderPinnedMessage.module.scss b/src/components/middle/panes/HeaderPinnedMessage.module.scss
similarity index 76%
rename from src/components/middle/HeaderPinnedMessage.module.scss
rename to src/components/middle/panes/HeaderPinnedMessage.module.scss
index e375663d5..ee46bc16d 100644
--- a/src/components/middle/HeaderPinnedMessage.module.scss
+++ b/src/components/middle/panes/HeaderPinnedMessage.module.scss
@@ -1,4 +1,4 @@
-@use "../../styles/mixins";
+@use "../../../styles/mixins";
 
 .root {
   display: flex;
@@ -26,6 +26,12 @@
     transition: none !important;
   }
 
+  > :global(.Button) {
+    flex-shrink: 0;
+  }
+}
+
+.mini {
   @media (min-width: 1276px) {
     transform: translate3d(0, 0, 0);
     transition: opacity 0.15s ease, transform var(--layer-transition);
@@ -38,33 +44,10 @@
       transform: translate3d(calc(var(--right-column-width) * -1), 0, 0);
     }
   }
-
-  > :global(.Button) {
-    flex-shrink: 0;
-  }
 }
 
-.root:global(.full-width) {
-  position: absolute;
-  left: 0;
-  right: 0;
-  top: 100%;
-  background: var(--color-background);
-  padding: 0.25rem 0.8125rem 0.25rem 1rem;
-  box-shadow: 0 0.125rem 0.125rem var(--color-light-shadow);
-  transform: translate3d(0, 0, 0);
-  transition: opacity 0.15s ease, transform var(--layer-transition);
-
-  &::before {
-    content: "";
-    display: block;
-    position: absolute;
-    top: -0.1875rem;
-    left: 0;
-    right: 0;
-    height: 0.125rem;
-    box-shadow: 0 0.125rem 0.125rem var(--color-light-shadow);
-  }
+.fullWidth {
+  @include mixins.header-pane;
 
   .pinnedMessage {
     margin-top: 0;
@@ -75,12 +58,6 @@
   .messageText {
     max-width: none;
   }
-
-  @media (min-width: 1276px) {
-    :global(#Main.right-column-open) & {
-      padding-left: calc(var(--right-column-width) + 1rem);
-    }
-  }
 }
 
 .loading {
@@ -244,30 +221,4 @@
       max-width: none;
     }
   }
-
-  .root:global(.full-width) {
-    display: none;
-  }
-
-  .root {
-    @include mixins.header-mobile();
-  }
-}
-
-@media (min-width: 1276px) and (max-width: 1439px) {
-  :global(.MiddleHeader:not(.tools-stacked)) .root {
-    opacity: 1;
-
-    :global(#Main.right-column-open) & {
-      opacity: 0;
-    }
-  }
-}
-
-:global(.tools-stacked.animated) .root {
-  animation: fade-in var(--layer-transition) forwards;
-
-  :global(body.no-page-transitions) & {
-    animation: none;
-  }
 }
diff --git a/src/components/middle/panes/HeaderPinnedMessage.tsx b/src/components/middle/panes/HeaderPinnedMessage.tsx
new file mode 100644
index 000000000..f81dd8a9b
--- /dev/null
+++ b/src/components/middle/panes/HeaderPinnedMessage.tsx
@@ -0,0 +1,395 @@
+import React, { memo, useEffect } from '../../../lib/teact/teact';
+import { getActions, withGlobal } from '../../../global';
+
+import type { ApiChat, ApiMessage, ApiPeer } from '../../../api/types';
+import type { MessageListType } from '../../../global/types';
+import type { ThreadId } from '../../../types';
+import type { Signal } from '../../../util/signals';
+import { MAIN_THREAD_ID } from '../../../api/types';
+
+import {
+  getIsSavedDialog,
+  getMessageIsSpoiler,
+  getMessageMediaHash,
+  getMessageSingleInlineButton,
+  getMessageVideo,
+  getSenderTitle,
+} from '../../../global/helpers';
+import {
+  selectAllowedMessageActionsSlow,
+  selectChat,
+  selectChatMessage,
+  selectChatMessages,
+  selectForwardedSender,
+  selectPinnedIds,
+} from '../../../global/selectors';
+import buildClassName from '../../../util/buildClassName';
+import cycleRestrict from '../../../util/cycleRestrict';
+import { IS_TOUCH_ENV } from '../../../util/windowEnvironment';
+import { getPictogramDimensions, REM } from '../../common/helpers/mediaDimensions';
+import renderText from '../../common/helpers/renderText';
+import renderKeyboardButtonText from '../composer/helpers/renderKeyboardButtonText';
+
+import useCurrentOrPrev from '../../../hooks/useCurrentOrPrev';
+import useDerivedState from '../../../hooks/useDerivedState';
+import useEnsureMessage from '../../../hooks/useEnsureMessage';
+import { useFastClick } from '../../../hooks/useFastClick';
+import useFlag from '../../../hooks/useFlag';
+import useLang from '../../../hooks/useLang';
+import useLastCallback from '../../../hooks/useLastCallback';
+import useMedia from '../../../hooks/useMedia';
+import useShowTransition from '../../../hooks/useShowTransition';
+import useThumbnail from '../../../hooks/useThumbnail';
+import useAsyncRendering from '../../right/hooks/useAsyncRendering';
+import useHeaderPane, { type PaneState } from '../hooks/useHeaderPane';
+
+import AnimatedCounter from '../../common/AnimatedCounter';
+import Icon from '../../common/icons/Icon';
+import MediaSpoiler from '../../common/MediaSpoiler';
+import MessageSummary from '../../common/MessageSummary';
+import Button from '../../ui/Button';
+import ConfirmDialog from '../../ui/ConfirmDialog';
+import RippleEffect from '../../ui/RippleEffect';
+import Spinner from '../../ui/Spinner';
+import Transition from '../../ui/Transition';
+import PinnedMessageNavigation from '../PinnedMessageNavigation';
+
+import styles from './HeaderPinnedMessage.module.scss';
+
+const SHOW_LOADER_DELAY = 450;
+const EMOJI_SIZE = 1.125 * REM;
+
+type OwnProps = {
+  chatId: string;
+  threadId: ThreadId;
+  // eslint-disable-next-line react/no-unused-prop-types
+  messageListType: MessageListType;
+  className?: string;
+  isFullWidth?: boolean;
+  shouldHide?: boolean;
+  getLoadingPinnedId: Signal<number | undefined>;
+  getCurrentPinnedIndex: Signal<number>;
+  onFocusPinnedMessage: (messageId: number) => void;
+  onPaneStateChange?: (state: PaneState) => void;
+};
+
+type StateProps = {
+  chat?: ApiChat;
+  pinnedMessageIds?: number[] | number;
+  messagesById?: Record<number, ApiMessage>;
+  canUnpin?: boolean;
+  topMessageSender?: ApiPeer;
+  isSynced?: boolean;
+};
+
+const HeaderPinnedMessage = ({
+  chatId,
+  threadId,
+  canUnpin,
+  getLoadingPinnedId,
+  pinnedMessageIds,
+  messagesById,
+  isFullWidth,
+  topMessageSender,
+  getCurrentPinnedIndex,
+  className,
+  chat,
+  isSynced,
+  shouldHide,
+  onPaneStateChange,
+  onFocusPinnedMessage,
+}: OwnProps & StateProps) => {
+  const {
+    clickBotInlineButton, focusMessage, openThread, pinMessage, loadPinnedMessages,
+  } = getActions();
+  const lang = useLang();
+
+  const currentPinnedIndex = useDerivedState(getCurrentPinnedIndex);
+  const pinnedMessageId = Array.isArray(pinnedMessageIds) ? pinnedMessageIds[currentPinnedIndex] : pinnedMessageIds;
+  const pinnedMessage = messagesById && pinnedMessageId ? messagesById[pinnedMessageId] : undefined;
+  const pinnedMessagesCount = Array.isArray(pinnedMessageIds)
+    ? pinnedMessageIds.length : (pinnedMessageIds ? 1 : 0);
+  const pinnedMessageNumber = Math.max(pinnedMessagesCount - currentPinnedIndex, 1);
+
+  const topMessageTitle = topMessageSender ? getSenderTitle(lang, topMessageSender) : undefined;
+
+  const video = pinnedMessage && getMessageVideo(pinnedMessage);
+  const gif = video?.isGif ? video : undefined;
+  const isVideoThumbnail = Boolean(gif && !gif.previewPhotoSizes?.length);
+
+  const mediaThumbnail = useThumbnail(pinnedMessage);
+  const mediaHash = pinnedMessage && getMessageMediaHash(pinnedMessage, isVideoThumbnail ? 'full' : 'pictogram');
+  const mediaBlobUrl = useMedia(mediaHash);
+  const isSpoiler = pinnedMessage && getMessageIsSpoiler(pinnedMessage);
+
+  const isLoading = Boolean(useDerivedState(getLoadingPinnedId));
+  const canRenderLoader = useAsyncRendering([isLoading], SHOW_LOADER_DELAY);
+  const shouldShowLoader = canRenderLoader && isLoading;
+
+  const renderingPinnedMessage = useCurrentOrPrev(pinnedMessage, true);
+
+  useEffect(() => {
+    if (isSynced && (threadId === MAIN_THREAD_ID || chat?.isForum)) {
+      loadPinnedMessages({ chatId, threadId });
+    }
+  }, [chatId, threadId, isSynced, chat]);
+
+  useEnsureMessage(chatId, pinnedMessageId, pinnedMessage);
+
+  const isOpen = Boolean(pinnedMessage) && !shouldHide;
+  const {
+    ref: transitionRef,
+  } = useShowTransition({
+    isOpen,
+    noOpenTransition: true,
+    shouldForceOpen: isFullWidth, // Use pane animation instead
+  });
+
+  const { ref, shouldRender } = useHeaderPane({
+    isOpen,
+    isDisabled: !isFullWidth,
+    ref: transitionRef,
+    onStateChange: onPaneStateChange,
+  });
+
+  const [isUnpinDialogOpen, openUnpinDialog, closeUnpinDialog] = useFlag();
+
+  const handleUnpinMessage = useLastCallback(() => {
+    closeUnpinDialog();
+    pinMessage({ chatId, messageId: pinnedMessage!.id, isUnpin: true });
+  });
+
+  const inlineButton = pinnedMessage && getMessageSingleInlineButton(pinnedMessage);
+
+  const handleInlineButtonClick = useLastCallback(() => {
+    if (inlineButton) {
+      clickBotInlineButton({ chatId: pinnedMessage.chatId, messageId: pinnedMessage.id, button: inlineButton });
+    }
+  });
+
+  const handleAllPinnedClick = useLastCallback(() => {
+    openThread({ chatId, threadId, type: 'pinned' });
+  });
+
+  const handleMessageClick = useLastCallback((e: React.MouseEvent<HTMLElement, MouseEvent>): void => {
+    const nextMessageId = e.shiftKey && Array.isArray(pinnedMessageIds)
+      ? pinnedMessageIds[cycleRestrict(pinnedMessageIds.length, pinnedMessageIds.indexOf(pinnedMessageId!) - 2)]
+      : pinnedMessageId!;
+
+    if (!getLoadingPinnedId()) {
+      focusMessage({
+        chatId, threadId, messageId: nextMessageId, noForumTopicPanel: true,
+      });
+      onFocusPinnedMessage(nextMessageId);
+    }
+  });
+
+  const [noHoverColor, markNoHoverColor, unmarkNoHoverColor] = useFlag();
+
+  const { handleClick, handleMouseDown } = useFastClick(handleMessageClick);
+
+  function renderPictogram(thumbDataUri?: string, blobUrl?: string, isFullVideo?: boolean, asSpoiler?: boolean) {
+    const { width, height } = getPictogramDimensions();
+    const srcUrl = blobUrl || thumbDataUri;
+    const shouldRenderVideo = isFullVideo && blobUrl;
+
+    return (
+      <div className={styles.pinnedThumb}>
+        {thumbDataUri && !asSpoiler && !shouldRenderVideo && (
+          <img
+            className={styles.pinnedThumbImage}
+            src={srcUrl}
+            width={width}
+            height={height}
+            alt=""
+            draggable={false}
+          />
+        )}
+        {shouldRenderVideo && !asSpoiler && (
+          <video
+            src={blobUrl}
+            width={width}
+            height={height}
+            playsInline
+            disablePictureInPicture
+            className={styles.pinnedThumbImage}
+          />
+        )}
+        {thumbDataUri
+          && <MediaSpoiler thumbDataUri={srcUrl} isVisible={Boolean(asSpoiler)} width={width} height={height} />}
+      </div>
+    );
+  }
+
+  if (!shouldRender || !renderingPinnedMessage) return undefined;
+
+  return (
+    <div
+      ref={ref}
+      className={buildClassName(
+        'HeaderPinnedMessageWrapper', styles.root, isFullWidth ? styles.fullWidth : styles.mini, className,
+      )}
+    >
+      {(pinnedMessagesCount > 1 || shouldShowLoader) && (
+        <Button
+          round
+          size="smaller"
+          color="translucent"
+          ariaLabel={lang('EventLogFilterPinnedMessages')}
+          onClick={!shouldShowLoader ? handleAllPinnedClick : undefined}
+        >
+          {isLoading && (
+            <Spinner
+              color="blue"
+              className={buildClassName(
+                styles.loading, styles.pinListIcon, !shouldShowLoader && styles.pinListIconHidden,
+              )}
+            />
+          )}
+          <Icon
+            name="pin-list"
+            className={buildClassName(
+              styles.pinListIcon, shouldShowLoader && styles.pinListIconHidden,
+            )}
+          />
+        </Button>
+      )}
+      {canUnpin && (
+        <Button
+          round
+          size="smaller"
+          color="translucent"
+          ariaLabel={lang('UnpinMessageAlertTitle')}
+          onClick={openUnpinDialog}
+        >
+          <Icon name="close" />
+        </Button>
+      )}
+      <ConfirmDialog
+        isOpen={isUnpinDialogOpen}
+        onClose={closeUnpinDialog}
+        text={lang('PinnedConfirmUnpin')}
+        confirmLabel={lang('DialogUnpin')}
+        confirmHandler={handleUnpinMessage}
+      />
+      <div
+        className={buildClassName(styles.pinnedMessage, noHoverColor && styles.noHover)}
+        onClick={handleClick}
+        onMouseDown={handleMouseDown}
+        dir={lang.isRtl ? 'rtl' : undefined}
+      >
+        <PinnedMessageNavigation
+          count={pinnedMessagesCount}
+          index={currentPinnedIndex}
+        />
+        <Transition activeKey={renderingPinnedMessage.id} name="slideVertical" className={styles.pictogramTransition}>
+          {renderPictogram(
+            mediaThumbnail,
+            mediaBlobUrl,
+            isVideoThumbnail,
+            isSpoiler,
+          )}
+        </Transition>
+        <div
+          className={buildClassName(styles.messageText, mediaThumbnail && styles.withMedia)}
+          dir={lang.isRtl ? 'rtl' : undefined}
+        >
+          <div className={styles.title} dir={lang.isRtl ? 'rtl' : undefined}>
+            {!topMessageTitle && (
+              <AnimatedCounter
+                text={pinnedMessagesCount === 1
+                  ? lang('PinnedMessageTitleSingle')
+                  : lang('PinnedMessageTitle', { index: pinnedMessageNumber }, { pluralValue: pinnedMessagesCount })}
+              />
+            )}
+
+            {topMessageTitle && renderText(topMessageTitle)}
+          </div>
+          <Transition
+            activeKey={renderingPinnedMessage.id}
+            name="slideVerticalFade"
+            className={styles.messageTextTransition}
+          >
+            <p dir="auto" className={styles.summary}>
+              <MessageSummary
+                message={renderingPinnedMessage}
+                noEmoji={Boolean(mediaThumbnail)}
+                emojiSize={EMOJI_SIZE}
+              />
+            </p>
+          </Transition>
+        </div>
+        <RippleEffect />
+        {inlineButton && (
+          <Button
+            size="tiny"
+            className={styles.inlineButton}
+            onClick={handleInlineButtonClick}
+            shouldStopPropagation
+            onMouseEnter={!IS_TOUCH_ENV ? markNoHoverColor : undefined}
+            onMouseLeave={!IS_TOUCH_ENV ? unmarkNoHoverColor : undefined}
+          >
+            {renderKeyboardButtonText(lang, inlineButton)}
+          </Button>
+        )}
+      </div>
+    </div>
+  );
+};
+
+export default memo(withGlobal<OwnProps>(
+  (global, {
+    chatId, threadId, messageListType,
+  }): StateProps => {
+    const chat = selectChat(global, chatId);
+
+    const isSynced = global.isSynced;
+    const isSavedDialog = getIsSavedDialog(chatId, threadId, global.currentUserId);
+
+    const messagesById = selectChatMessages(global, chatId);
+
+    const state = {
+      chat,
+      isSynced,
+    };
+
+    if (messageListType !== 'thread' || !messagesById) {
+      return state;
+    }
+
+    if (threadId !== MAIN_THREAD_ID && !isSavedDialog && !chat?.isForum) {
+      const pinnedMessageId = Number(threadId);
+      const message = pinnedMessageId ? selectChatMessage(global, chatId, pinnedMessageId) : undefined;
+      const topMessageSender = message ? selectForwardedSender(global, message) : undefined;
+
+      return {
+        ...state,
+        pinnedMessageIds: pinnedMessageId,
+        messagesById,
+        canUnpin: false,
+        topMessageSender,
+      };
+    }
+
+    const pinnedMessageIds = !isSavedDialog ? selectPinnedIds(global, chatId, threadId) : undefined;
+    if (pinnedMessageIds?.length) {
+      const firstPinnedMessage = messagesById[pinnedMessageIds[0]];
+      const {
+        canUnpin = false,
+      } = (
+        firstPinnedMessage
+        && pinnedMessageIds.length === 1
+        && selectAllowedMessageActionsSlow(global, firstPinnedMessage, threadId)
+      ) || {};
+
+      return {
+        ...state,
+        pinnedMessageIds,
+        messagesById,
+        canUnpin,
+      };
+    }
+
+    return state;
+  },
+)(HeaderPinnedMessage));
diff --git a/src/components/ui/Notification.scss b/src/components/ui/Notification.scss
index 609be1d47..403ef5354 100644
--- a/src/components/ui/Notification.scss
+++ b/src/components/ui/Notification.scss
@@ -3,22 +3,11 @@
   width: 22rem;
   max-width: 100vw;
   margin: 4.25rem auto 0.25rem;
+  margin-top: calc(4.25rem + var(--middle-header-panes-height));
   z-index: var(--z-notification);
 
-  .has-header-tools & {
-    margin-top: 7.375rem;
-  }
-
-  @media (min-width: 1276px) {
-    transition: transform var(--layer-transition);
-  }
-
   & ~ & {
     margin-top: 0.25rem;
-
-    .has-header-tools & {
-      margin-top: 0.25rem;
-    }
   }
 }
 
diff --git a/src/config.ts b/src/config.ts
index 89a4aa245..09feb1d00 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -154,14 +154,8 @@ export const SNAP_EFFECT_ID = 'snap-effect';
 export const STARS_ICON_PLACEHOLDER = '⭐';
 export const STARS_CURRENCY_CODE = 'XTR';
 
-// Screen width where Pinned Message / Audio Player in the Middle Header can be safely displayed
-export const SAFE_SCREEN_WIDTH_FOR_STATIC_RIGHT_COLUMN = 1440; // px
-// Screen width where Pinned Message / Audio Player in the Middle Header shouldn't collapse with ChatInfo
-export const SAFE_SCREEN_WIDTH_FOR_CHAT_INFO = 1150; // px
-
 export const MIN_SCREEN_WIDTH_FOR_STATIC_RIGHT_COLUMN = 1275; // px
 export const MIN_SCREEN_WIDTH_FOR_STATIC_LEFT_COLUMN = 925; // px
-export const MAX_SCREEN_WIDTH_FOR_EXPAND_PINNED_MESSAGES = 1340; // px
 export const MOBILE_SCREEN_MAX_WIDTH = 600; // px
 export const MOBILE_SCREEN_LANDSCAPE_MAX_WIDTH = 950; // px
 export const MOBILE_SCREEN_LANDSCAPE_MAX_HEIGHT = 450; // px
diff --git a/src/global/actions/api/management.ts b/src/global/actions/api/management.ts
index 255e22857..ca1822d7a 100644
--- a/src/global/actions/api/management.ts
+++ b/src/global/actions/api/management.ts
@@ -394,12 +394,12 @@ addActionHandler('hideAllChatJoinRequests', async (global, actions, payload): Pr
   setGlobal(global);
 });
 
-addActionHandler('hideChatReportPanel', async (global, actions, payload): Promise<void> => {
+addActionHandler('hideChatReportPane', async (global, actions, payload): Promise<void> => {
   const { chatId } = payload!;
   const chat = selectChat(global, chatId);
   if (!chat) return;
 
-  const result = await callApi('hideChatReportPanel', chat);
+  const result = await callApi('hideChatReportPane', chat);
   if (!result) return;
 
   global = getGlobal();
diff --git a/src/global/actions/api/messages.ts b/src/global/actions/api/messages.ts
index 38109261e..9adb07dc5 100644
--- a/src/global/actions/api/messages.ts
+++ b/src/global/actions/api/messages.ts
@@ -696,10 +696,10 @@ addActionHandler('toggleMessageWebPage', (global, actions, payload): ActionRetur
 
 addActionHandler('pinMessage', (global, actions, payload): ActionReturnType => {
   const {
-    messageId, isUnpin, isOneSide, isSilent, tabId = getCurrentTabId(),
+    chatId, messageId, isUnpin, isOneSide, isSilent,
   } = payload;
 
-  const chat = selectCurrentChat(global, tabId);
+  const chat = selectChat(global, chatId);
   if (!chat) {
     return;
   }
diff --git a/src/global/helpers/chats.ts b/src/global/helpers/chats.ts
index b8f68759e..40f26713e 100644
--- a/src/global/helpers/chats.ts
+++ b/src/global/helpers/chats.ts
@@ -13,6 +13,7 @@ import type { OldLangFn } from '../../hooks/useOldLang';
 import type {
   CustomPeer, NotifyException, NotifySettings, ThreadId,
 } from '../../types';
+import type { LangFn } from '../../util/localization';
 import { MAIN_THREAD_ID } from '../../api/types';
 
 import {
@@ -101,7 +102,7 @@ export function getPrivateChatUserId(chat: ApiChat) {
   return chat.id;
 }
 
-export function getChatTitle(lang: OldLangFn, chat: ApiChat, isSelf = false) {
+export function getChatTitle(lang: OldLangFn | LangFn, chat: ApiChat, isSelf = false) {
   if (isSelf) {
     return lang('SavedMessages');
   }
diff --git a/src/global/helpers/messages.ts b/src/global/helpers/messages.ts
index c1661f641..b1e8417b9 100644
--- a/src/global/helpers/messages.ts
+++ b/src/global/helpers/messages.ts
@@ -11,6 +11,7 @@ import type {
 } from '../../api/types/messages';
 import type { OldLangFn } from '../../hooks/useOldLang';
 import type { ThreadId } from '../../types';
+import type { LangFn } from '../../util/localization';
 import type { GlobalState } from '../types';
 import { ApiMessageEntityTypes, MAIN_THREAD_ID } from '../../api/types';
 
@@ -208,7 +209,7 @@ export function isAnonymousOwnMessage(message: ApiMessage) {
   return Boolean(message.senderId) && !isUserId(message.senderId) && isOwnMessage(message);
 }
 
-export function getSenderTitle(lang: OldLangFn, sender: ApiPeer) {
+export function getSenderTitle(lang: OldLangFn | LangFn, sender: ApiPeer) {
   return isPeerUser(sender) ? getUserFullName(sender) : getChatTitle(lang, sender);
 }
 
diff --git a/src/global/types.ts b/src/global/types.ts
index 21c1f4c03..b933aac4e 100644
--- a/src/global/types.ts
+++ b/src/global/types.ts
@@ -1695,11 +1695,12 @@ export interface ActionPayloads {
     messageId: number;
   };
   pinMessage: {
+    chatId: string;
     messageId: number;
     isUnpin: boolean;
     isOneSide?: boolean;
     isSilent?: boolean;
-  } & WithTabId;
+  };
   deleteMessages: {
     messageIds: number[];
     shouldDeleteForAll?: boolean;
@@ -2114,7 +2115,7 @@ export interface ActionPayloads {
     offsetUserId?: string;
     limit?: number;
   } & WithTabId;
-  hideChatReportPanel: {
+  hideChatReportPane: {
     chatId: string;
   };
   toggleManagement: ({
diff --git a/src/hooks/useMessageMediaMetadata.ts b/src/hooks/useMessageMediaMetadata.ts
index 62ccfa1bd..6d4e5a97d 100644
--- a/src/hooks/useMessageMediaMetadata.ts
+++ b/src/hooks/useMessageMediaMetadata.ts
@@ -2,6 +2,7 @@ import { useMemo } from '../lib/teact/teact';
 
 import type {
   ApiAudio, ApiChat, ApiMessage, ApiPeer, ApiVoice,
+  MediaContent,
 } from '../api/types';
 
 import {
@@ -21,11 +22,11 @@ const MINIMAL_SIZE = 115; // spec says 100, but on Chrome 93 it's not showing
 
 // TODO Add support for video in future
 const useMessageMediaMetadata = (
-  message: ApiMessage, sender?: ApiPeer, chat?: ApiChat,
+  message?: ApiMessage, sender?: ApiPeer, chat?: ApiChat,
 ): MediaMetadata | undefined => {
   const lang = useOldLang();
 
-  const { audio, voice } = getMessageContent(message);
+  const { audio, voice } = message ? getMessageContent(message) : {} satisfies MediaContent;
   const title = audio ? (audio.title || audio.fileName) : voice ? 'Voice message' : '';
   const artist = audio?.performer || (sender && getSenderTitle(lang, sender));
   const album = (chat && getChatTitle(lang, chat)) || 'Telegram';
diff --git a/src/hooks/useShowTransition.ts b/src/hooks/useShowTransition.ts
index 97c579999..9509fd351 100644
--- a/src/hooks/useShowTransition.ts
+++ b/src/hooks/useShowTransition.ts
@@ -23,6 +23,7 @@ type BaseHookParams<RefType extends HTMLElement> = {
   closeDuration?: number;
   className?: string | false;
   prefix?: string;
+  shouldForceOpen?: boolean;
   onCloseAnimationEnd?: NoneToVoidFunction;
 };
 
@@ -66,6 +67,7 @@ export default function useShowTransition<RefType extends HTMLElement = HTMLDivE
     closeDuration = CLOSE_DURATION,
     className = 'fast',
     prefix = '',
+    shouldForceOpen,
     onCloseAnimationEnd,
   } = params;
 
@@ -82,6 +84,11 @@ export default function useShowTransition<RefType extends HTMLElement = HTMLDivE
   useSyncEffectWithPrevDeps(([prevIsOpen]) => {
     const options = optionsRef.current;
 
+    if (shouldForceOpen) {
+      setState('open');
+      return;
+    }
+
     if (isOpen) {
       if (closingTimeoutRef.current) {
         clearTimeout(closingTimeoutRef.current);
@@ -106,7 +113,7 @@ export default function useShowTransition<RefType extends HTMLElement = HTMLDivE
         onCloseEndLast();
       }, options.closeDuration);
     }
-  }, [isOpen]);
+  }, [isOpen, shouldForceOpen]);
 
   const applyClassNames = useLastCallback(() => {
     const element = ref.current;
diff --git a/src/styles/_mixins.scss b/src/styles/_mixins.scss
index 8ba03d23e..e0cd079f2 100644
--- a/src/styles/_mixins.scss
+++ b/src/styles/_mixins.scss
@@ -117,21 +117,19 @@
   }
 }
 
-@mixin header-mobile {
+@mixin header-pane {
   position: absolute;
-  top: 100%;
-  left: 0;
-  right: 0;
+  top: 0;
+  width: 100%;
   height: 2.875rem;
-  box-shadow: 0 0.125rem 0.125rem var(--color-light-shadow);
+  transform: translateY(-100%);
+  transition: transform var(--slide-transition);
 
-  display: flex;
-  flex-direction: row-reverse;
   padding-top: 0.375rem;
   padding-bottom: 0.375rem;
   padding-left: max(0.75rem, env(safe-area-inset-left));
   padding-right: max(0.5rem, env(safe-area-inset-right));
-  background: var(--color-background);
+  background-color: var(--color-background);
 
   &::before {
     content: "";
@@ -143,6 +141,18 @@
     height: 0.125rem;
     box-shadow: 0 0.125rem 0.125rem var(--color-light-shadow);
   }
+
+  // Some panels might unmount without animation, so we provide same background above panel to make it less noticeable
+  &::after {
+    content: "";
+    position: absolute;
+    top: -100%;
+    left: 0;
+    right: 0;
+    height: inherit;
+    background-color: inherit;
+    z-index: -1;
+  }
 }
 
 @mixin side-panel-section {
diff --git a/src/types/language.d.ts b/src/types/language.d.ts
index fb7a1c151..d798b7c4e 100644
--- a/src/types/language.d.ts
+++ b/src/types/language.d.ts
@@ -574,7 +574,9 @@ export interface LangPair {
   'Statistics': undefined;
   'EventLogFilterPinnedMessages': undefined;
   'UnpinMessageAlertTitle': undefined;
-  'PinnedMessage': undefined;
+  'PinnedMessageTitleSingle': undefined;
+  'AccPinnedMessages': undefined;
+  'AccUnpinMessage': undefined;
   'LeaveAComment': undefined;
   'PollsStopWarning': undefined;
   'PollsStopSure': undefined;
@@ -1589,6 +1591,9 @@ export interface LangPairPluralWithVariables<V extends unknown = LangVariable> {
   'PreviewSenderSendFile': {
     'count': V;
   };
+  'PinnedMessageTitle': {
+    'index': V;
+  };
   'Comments': {
     'count': V;
   };