diff --git a/frontend/src/main.jsx b/frontend/src/main.jsx
index 28965ea..c5ecf2c 100644
--- a/frontend/src/main.jsx
+++ b/frontend/src/main.jsx
@@ -262,8 +262,22 @@ function MediaTrack({ track, muted = false, className = '' }) {
 
 
 function RemoteAudioTrack({ track, volume }) {
+  const audioRef = useRef(null);
   const gainRef = useRef(null);
 
+  useEffect(() => {
+    if (!track || !audioRef.current) return undefined;
+    track.attach(audioRef.current);
+    return () => {
+      track.detach(audioRef.current);
+    };
+  }, [track]);
+
+  useEffect(() => {
+    if (!audioRef.current) return;
+    audioRef.current.volume = Math.min(1, Math.max(0, volume));
+  }, [volume]);
+
   useEffect(() => {
     if (!track?.mediaStreamTrack) return undefined;
     const AudioContextClass = window.AudioContext || window.webkitAudioContext;
@@ -272,10 +286,10 @@ function RemoteAudioTrack({ track, volume }) {
     const stream = new MediaStream([track.mediaStreamTrack]);
     const source = context.createMediaStreamSource(stream);
     const gain = context.createGain();
-    gain.gain.value = volume;
+    gain.gain.value = Math.max(0, volume - 1);
     source.connect(gain);
     gain.connect(context.destination);
-    gainRef.current = gain;
+    gainRef.current = { context, gain };
     context.resume().catch(() => {});
 
     return () => {
@@ -287,14 +301,14 @@ function RemoteAudioTrack({ track, volume }) {
   }, [track]);
 
   useEffect(() => {
-    if (gainRef.current) gainRef.current.gain.value = volume;
+    if (gainRef.current) gainRef.current.gain.gain.value = Math.max(0, volume - 1);
   }, [volume]);
 
-  return null;
+  return <audio ref={audioRef} autoPlay playsInline className='hidden-audio'></audio>;
 }
 
 
-function VideoTile({ item, active, volume, onVolumeChange }) {
+function VideoTile({ item, active, volume, volumeMenuOpen, onScreenFullscreen, onToggleVolumeMenu, onVolumeChange }) {
   const camera = item.tracks.find((entry) => entry.kind === 'video' && entry.source !== Track.Source.ScreenShare);
   const screen = item.tracks.find((entry) => entry.kind === 'video' && entry.source === Track.Source.ScreenShare);
   const audio = item.tracks.filter((entry) => entry.kind === 'audio');
@@ -302,24 +316,45 @@ function VideoTile({ item, active, volume, onVolumeChange }) {
   const volumePercent = Math.round(volume * 100);
 
   return (
-    <div className={`video-tile${active ? ' speaking' : ''}${screen ? ' has-screen' : ''}`}>
+    <div
+      className={`video-tile${active ? ' speaking' : ''}${screen ? ' has-screen' : ''}`}
+      onContextMenu={(event) => {
+        if (item.isLocal) return;
+        event.preventDefault();
+        onToggleVolumeMenu(item.identity);
+      }}
+    >
       <div className='video-label-row'>
         <span>{item.name}</span>
-        <span className='muted'>{item.isLocal ? 'ты' : ''}</span>
+        <div className='tile-actions'>
+          <span className='muted'>{item.isLocal ? 'ты' : ''}</span>
+          {!item.isLocal ? (
+            <button className='tile-action-btn' type='button' onClick={() => onToggleVolumeMenu(item.identity)} aria-label={`Настройки участника ${item.name}`}>
+              ⚙
+            </button>
+          ) : null}
+          {screen ? (
+            <button className='tile-action-btn' type='button' onClick={(event) => onScreenFullscreen(event.currentTarget)} aria-label='Развернуть демонстрацию'>
+              ⛶
+            </button>
+          ) : null}
+        </div>
       </div>
-      {!item.isLocal ? (
-        <label className='participant-volume'>
-          <span>Громкость: {volumePercent}%</span>
-          <input
-            aria-label={`Громкость участника ${item.name}`}
-            max='2'
-            min='0'
-            onChange={(event) => onVolumeChange(item.identity, Number(event.target.value))}
-            step='0.05'
-            type='range'
-            value={volume}
-          />
-        </label>
+      {!item.isLocal && volumeMenuOpen ? (
+        <div className='participant-volume-popover'>
+          <label className='participant-volume'>
+            <span>Громкость: {volumePercent}%</span>
+            <input
+              aria-label={`Громкость участника ${item.name}`}
+              max='2'
+              min='0'
+              onChange={(event) => onVolumeChange(item.identity, Number(event.target.value))}
+              step='0.05'
+              type='range'
+              value={volume}
+            />
+          </label>
+        </div>
       ) : null}
       {screen ? (
         <div className='screen-slot'>
@@ -346,6 +381,7 @@ function CallPage({ roomName, showToast }) {
   const [room, setRoom] = useState(null);
   const [participants, setParticipants] = useState([]);
   const [participantVolumes, setParticipantVolumes] = useState({});
+  const [volumeMenuIdentity, setVolumeMenuIdentity] = useState('');
   const [activeSpeakers, setActiveSpeakers] = useState([]);
   const [messages, setMessages] = useState([]);
   const [chatText, setChatText] = useState('');
@@ -353,6 +389,7 @@ function CallPage({ roomName, showToast }) {
   const [elapsed, setElapsed] = useState(0);
   const previewRef = useRef(null);
   const previewStreamRef = useRef(null);
+  const meetingCardRef = useRef(null);
   const fileRef = useRef(null);
 
   const inviteToken = useMemo(getInviteToken, []);
@@ -471,6 +508,43 @@ function CallPage({ roomName, showToast }) {
     }));
   }, []);
 
+  const toggleParticipantVolumeMenu = useCallback((identity) => {
+    setVolumeMenuIdentity((current) => current === identity ? '' : identity);
+  }, []);
+
+  const fullscreenElement = () => document.fullscreenElement || document.webkitFullscreenElement;
+
+  const requestFullscreen = async (element) => {
+    if (!element) return;
+    if (element.requestFullscreen) {
+      await element.requestFullscreen();
+      return;
+    }
+    if (element.webkitRequestFullscreen) element.webkitRequestFullscreen();
+  };
+
+  const exitFullscreen = async () => {
+    if (document.exitFullscreen) {
+      await document.exitFullscreen();
+      return;
+    }
+    if (document.webkitExitFullscreen) document.webkitExitFullscreen();
+  };
+
+  const toggleCallFullscreen = async () => {
+    if (fullscreenElement()) {
+      await exitFullscreen();
+      return;
+    }
+    await requestFullscreen(meetingCardRef.current);
+  };
+
+  const openScreenFullscreen = async (button) => {
+    const tile = button.closest('.video-tile');
+    const target = tile?.querySelector('.screen-slot video') || tile?.querySelector('.screen-slot');
+    await requestFullscreen(target);
+  };
+
   const joinCall = async () => {
     const name = displayName.trim();
     if (!name) {
@@ -708,59 +782,65 @@ function CallPage({ roomName, showToast }) {
         </section>
       ) : (
         <>
-          <section className='card meeting-card'>
-            <div className='meeting-topbar'>
-              <div>
-                <div className='meeting-title'>Созвон</div>
-                <h1 className='meeting-room-name'>{call.room_title}</h1>
-                <p className='muted'>В комнате: {participants.length}</p>
-              </div>
-              <div className='meeting-controls'>
-                <button className={`icon-btn ${micEnabled ? '' : 'is-off'}`} type='button' onClick={toggleMic} aria-label={micEnabled ? 'Выключить микрофон' : 'Включить микрофон'}>
-                  <img className='control-icon' src={micEnabled ? ICONS.micOn : ICONS.micOff} alt='' />
-                </button>
-                <button className={`icon-btn ${cameraEnabled ? '' : 'is-off'}`} type='button' onClick={toggleCamera} aria-label={cameraEnabled ? 'Выключить камеру' : 'Включить камеру'}>
-                  <img className='control-icon' src={cameraEnabled ? ICONS.cameraOn : ICONS.cameraOff} alt='' />
-                </button>
-                <button className='icon-btn' type='button' onClick={toggleScreen}>Screen</button>
-                <button className='btn secondary' type='button' onClick={copyInvite}>Ссылка</button>
-                <div className='meeting-timer'>{time}</div>
-              </div>
-            </div>
-            <div className='videos'>
-              {participants.map((item) => (
-                <VideoTile
-                  active={activeSpeakers.includes(item.identity)}
-                  item={item}
-                  key={item.identity}
-                  onVolumeChange={updateParticipantVolume}
-                  volume={participantVolumes[item.identity] ?? 1}
-                />
-              ))}
-            </div>
-          </section>
-
-          <aside className='card chat-card'>
-            <h2>Чат комнаты</h2>
-            <div className='chat-messages'>
-              {messages.map((message) => (
-                <div className={`chat-message${message.own ? ' own' : ''}`} key={message.id}>
-                  <div className='chat-author'>{message.author}</div>
-                  {message.attachment ? (
-                    <a className='file-link' href={`${message.attachment.download_url}?invite_token=${encodeURIComponent(inviteToken)}`} target='_blank' rel='noreferrer'>{message.attachment.file_name}</a>
-                  ) : <div className='chat-text'>{message.text}</div>}
+          <div className='call-layout'>
+            <section className='card meeting-card' ref={meetingCardRef}>
+              <div className='meeting-topbar'>
+                <div>
+                  <div className='meeting-title'>Созвон</div>
+                  <h1 className='meeting-room-name'>{call.room_title}</h1>
+                  <p className='muted'>В комнате: {participants.length}</p>
                 </div>
-              ))}
-            </div>
-            <div className='chat-form'>
-              <input value={chatText} onChange={(event) => setChatText(event.target.value)} onKeyDown={(event) => event.key === 'Enter' ? sendChat() : null} placeholder='Напиши сообщение...' maxLength='1000' />
-              <input className='hidden-file-input' ref={fileRef} type='file' onChange={(event) => sendFile(event.target.files?.[0])} />
-              <button className='icon-btn attachment-btn' type='button' onClick={() => fileRef.current?.click()} aria-label='Прикрепить файл'>
-                <img className='control-icon' src={ICONS.attachment} alt='' />
-              </button>
-              <button className='btn primary' type='button' onClick={sendChat}>Отправить</button>
-            </div>
-          </aside>
+                <div className='meeting-controls'>
+                  <button className={`icon-btn ${micEnabled ? '' : 'is-off'}`} type='button' onClick={toggleMic} aria-label={micEnabled ? 'Выключить микрофон' : 'Включить микрофон'}>
+                    <img className='control-icon' src={micEnabled ? ICONS.micOn : ICONS.micOff} alt='' />
+                  </button>
+                  <button className={`icon-btn ${cameraEnabled ? '' : 'is-off'}`} type='button' onClick={toggleCamera} aria-label={cameraEnabled ? 'Выключить камеру' : 'Включить камеру'}>
+                    <img className='control-icon' src={cameraEnabled ? ICONS.cameraOn : ICONS.cameraOff} alt='' />
+                  </button>
+                  <button className='icon-btn' type='button' onClick={toggleScreen} aria-label='Демонстрация экрана'>Screen</button>
+                  <button className='btn secondary' type='button' onClick={toggleCallFullscreen}>Во весь экран</button>
+                  <button className='btn secondary' type='button' onClick={copyInvite}>Ссылка</button>
+                  <div className='meeting-timer'>{time}</div>
+                </div>
+              </div>
+              <div className='videos'>
+                {participants.map((item) => (
+                  <VideoTile
+                    active={activeSpeakers.includes(item.identity)}
+                    item={item}
+                    key={item.identity}
+                    onScreenFullscreen={openScreenFullscreen}
+                    onToggleVolumeMenu={toggleParticipantVolumeMenu}
+                    onVolumeChange={updateParticipantVolume}
+                    volume={participantVolumes[item.identity] ?? 1}
+                    volumeMenuOpen={volumeMenuIdentity === item.identity}
+                  />
+                ))}
+              </div>
+            </section>
+
+            <aside className='card chat-card'>
+              <h2>Чат комнаты</h2>
+              <div className='chat-messages'>
+                {messages.map((message) => (
+                  <div className={`chat-message${message.own ? ' own' : ''}`} key={message.id}>
+                    <div className='chat-author'>{message.author}</div>
+                    {message.attachment ? (
+                      <a className='file-link' href={`${message.attachment.download_url}?invite_token=${encodeURIComponent(inviteToken)}`} target='_blank' rel='noreferrer'>{message.attachment.file_name}</a>
+                    ) : <div className='chat-text'>{message.text}</div>}
+                  </div>
+                ))}
+              </div>
+              <div className='chat-form'>
+                <input value={chatText} onChange={(event) => setChatText(event.target.value)} onKeyDown={(event) => event.key === 'Enter' ? sendChat() : null} placeholder='Напиши сообщение...' maxLength='1000' />
+                <input className='hidden-file-input' ref={fileRef} type='file' onChange={(event) => sendFile(event.target.files?.[0])} />
+                <button className='icon-btn attachment-btn' type='button' onClick={() => fileRef.current?.click()} aria-label='Прикрепить файл'>
+                  <img className='control-icon' src={ICONS.attachment} alt='' />
+                </button>
+                <button className='btn primary' type='button' onClick={sendChat}>Отправить</button>
+              </div>
+            </aside>
+          </div>
 
           <div className='call-bottom-actions is-visible'>
             <button className='btn secondary' type='button' onClick={leaveCall}>Выйти</button>
diff --git a/frontend/src/styles.css b/frontend/src/styles.css
index 3182353..d55013c 100644
--- a/frontend/src/styles.css
+++ b/frontend/src/styles.css
@@ -355,6 +355,13 @@ input[type='range'] {
   margin-bottom: 20px;
 }
 
+.call-layout {
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) minmax(320px, 380px);
+  gap: 20px;
+  align-items: start;
+}
+
 .meeting-title {
   font-size: 11px;
   font-weight: 700;
@@ -390,6 +397,7 @@ input[type='range'] {
 }
 
 .video-tile {
+  position: relative;
   background: #0b1220;
   border: 1px solid var(--line);
   border-radius: 18px;
@@ -406,19 +414,55 @@ input[type='range'] {
   padding: 10px 12px;
   border-bottom: 1px solid var(--line);
   display: flex;
+  gap: 12px;
   justify-content: space-between;
+  align-items: center;
+}
+
+.tile-actions {
+  display: inline-flex;
+  align-items: center;
+  gap: 8px;
+  flex-shrink: 0;
+}
+
+.tile-action-btn {
+  width: 30px;
+  height: 30px;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  border: 1px solid rgba(148, 163, 184, 0.3);
+  border-radius: 9px;
+  background: rgba(15, 23, 42, 0.8);
+  color: var(--text);
+  cursor: pointer;
+}
+
+.tile-action-btn:hover {
+  background: rgba(37, 99, 235, 0.25);
 }
 
 .participant-volume {
   display: grid;
   gap: 8px;
-  padding: 10px 12px 12px;
-  border-bottom: 1px solid var(--line);
-  background: rgba(15, 23, 42, 0.72);
   color: var(--muted);
   font-size: 13px;
 }
 
+.participant-volume-popover {
+  position: absolute;
+  top: 48px;
+  right: 10px;
+  z-index: 20;
+  width: min(260px, calc(100% - 20px));
+  padding: 12px;
+  border: 1px solid var(--line);
+  border-radius: 14px;
+  background: rgba(17, 24, 39, 0.98);
+  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.35);
+}
+
 .screen-slot {
   height: 260px;
   background: #020617;
@@ -469,12 +513,18 @@ input[type='range'] {
 }
 
 .chat-card {
+  position: sticky;
+  top: 20px;
+  min-height: calc(100vh - 64px);
   margin-bottom: 96px;
+  display: flex;
+  flex-direction: column;
 }
 
 .chat-messages {
-  min-height: 260px;
-  max-height: 420px;
+  flex: 1 1 auto;
+  min-height: 360px;
+  max-height: calc(100vh - 260px);
   overflow-y: auto;
   border: 1px solid var(--line);
   border-radius: 16px;
@@ -547,12 +597,45 @@ input[type='range'] {
   box-shadow: 0 16px 32px rgba(0, 0, 0, 0.22);
 }
 
+.meeting-card:fullscreen {
+  width: 100vw;
+  height: 100vh;
+  overflow: auto;
+  border-radius: 0;
+  background: var(--bg-deep);
+}
+
+.meeting-card:fullscreen .videos {
+  min-height: calc(100vh - 140px);
+  align-content: start;
+}
+
+.screen-slot:fullscreen,
+.screen-slot video:fullscreen {
+  width: 100vw;
+  height: 100vh;
+  background: #000;
+}
+
+.screen-slot:fullscreen video,
+.screen-slot video:fullscreen {
+  width: 100%;
+  height: 100%;
+  object-fit: contain !important;
+}
+
 @media (max-width: 900px) {
   .home-grid,
+  .call-layout,
   .prejoin-layout {
     grid-template-columns: 1fr;
   }
 
+  .chat-card {
+    position: static;
+    min-height: auto;
+  }
+
   .meeting-topbar {
     align-items: flex-start;
     flex-direction: column;