From 0d4b9dcfe98b5217de37791e04d63af7bbdddf82 Mon Sep 17 00:00:00 2001
From: subhajit <subhajit.pal@sentientgeeks.com>
Date: Tue, 21 Jul 2026 13:58:13 +0530
Subject: [PATCH] implement interview pannel

---
 .../views/interview/candidate_room.blade.php  | 169 +++++++++++---
 resources/views/interview/index.blade.php     | 209 +++++++++++++++++-
 2 files changed, 340 insertions(+), 38 deletions(-)

diff --git a/resources/views/interview/candidate_room.blade.php b/resources/views/interview/candidate_room.blade.php
index dabf5f0..3c68701 100644
--- a/resources/views/interview/candidate_room.blade.php
+++ b/resources/views/interview/candidate_room.blade.php
@@ -10,8 +10,9 @@
     <link href="https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600&family=Instrument+Sans:wght@400;500;600;700&family=Outfit:wght@500;600;700&display=swap" rel="stylesheet">
     <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
 
-    <!-- Monaco Code Editor Loader -->
+    <!-- Monaco Code Editor Loader & PeerJS Realtime WebRTC Call -->
     <script src="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.45.0/min/vs/loader.min.js"></script>
+    <script src="https://unpkg.com/peerjs@1.5.2/dist/peerjs.min.js"></script>
 
     <style>
         :root {
@@ -238,16 +239,32 @@
             </div>
         </div>
 
-        <!-- Sidebar: Proctored Video Feed & Candidate Info -->
+        <!-- Sidebar: Real-Time 2-Way Interview Call & Screen Share -->
         <div class="proctor-sidebar">
-            <div class="webcam-box">
+            <!-- Candidate Camera Feed -->
+            <div class="webcam-box" style="position: relative;">
                 <video id="webcam" autoplay muted playsinline></video>
                 <div style="position: absolute; bottom: 8px; left: 8px; background: rgba(0,0,0,0.6); padding: 2px 8px; border-radius: 4px; font-size: 0.65rem; color: #34d399; font-weight: 600;">
-                    ● PROCTORED REC
+                    📷 Candidate Camera
                 </div>
             </div>
+
+            <!-- Remote Interviewer Video Feed (Live 2-Way Call) -->
+            <div class="webcam-box" style="position: relative; border-color: #6366f1;">
+                <video id="interviewer-video" autoplay playsinline style="width: 100%; height: 100%; object-fit: cover; background: #050811;"></video>
+                <div id="interviewer-video-placeholder" style="position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; background: rgba(15,23,42,0.9); color: #94a3b8; font-size: 0.75rem; text-align: center; padding: 10px;">
+                    <div style="font-size: 1.5rem; margin-bottom: 4px;">👤</div>
+                    <div>Interviewer Video Feed</div>
+                    <div id="call-status-sub" style="font-size: 0.65rem; color: #38bdf8; margin-top: 4px;">Waiting for panelist to join call...</div>
+                </div>
+                <div style="position: absolute; bottom: 8px; left: 8px; background: rgba(99,102,241,0.8); padding: 2px 8px; border-radius: 4px; font-size: 0.65rem; color: white; font-weight: 600;">
+                    🎙️ Interviewer / Panelist
+                </div>
+            </div>
+
             <canvas id="proctor-canvas" style="display: none;" width="320" height="240"></canvas>
 
+            <!-- Candidate Profile Info -->
             <div style="background: rgba(255,255,255,0.03); border: 1px solid var(--card-border); border-radius: 12px; padding: 14px; font-size: 0.8rem;">
                 <div style="font-weight: 700; color: white; margin-bottom: 6px;">Candidate Profile</div>
                 <div style="color: #94a3b8;">Name: <strong style="color: white;">{{ $interview->candidate_name }}</strong></div>
@@ -255,13 +272,25 @@
                 <div style="color: #94a3b8; margin-top: 6px;">Access Expires: <span style="color: #fca5a5;">{{ $interview->expires_at->format('H:i:s T') }}</span></div>
             </div>
 
-            <div style="background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.25); border-radius: 12px; padding: 14px; font-size: 0.75rem; color: #fca5a5;">
-                <strong>🛡️ Proctored Assessment Rules:</strong>
-                <ul style="margin-top: 6px; padding-left: 16px; line-height: 1.5;">
-                    <li>Do not switch tabs or minimize the browser window.</li>
-                    <li>Ensure your face is clearly visible in the camera.</li>
-                    <li>External AI overlays or screen sharing will trigger an alert.</li>
-                </ul>
+            <!-- Real-Time Call Controls (Mic, Camera, Screen Sharing) -->
+            <div style="background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.3); border-radius: 14px; padding: 14px;">
+                <div style="font-size: 0.8rem; font-weight: 700; color: white; margin-bottom: 10px; display: flex; align-items: center; justify-content: space-between;">
+                    <span>📞 Real-Time Interview Call</span>
+                    <span id="call-status-badge" style="font-size: 0.65rem; background: rgba(16,185,129,0.2); color: #34d399; padding: 2px 8px; border-radius: 999px;">READY</span>
+                </div>
+
+                <div style="display: flex; gap: 8px; margin-bottom: 10px;">
+                    <button id="toggle-mic-btn" onclick="toggleMic()" class="btn-ide" style="flex: 1; padding: 8px; font-size: 0.75rem; background: rgba(16,185,129,0.2); border-color: #10b981;">
+                        🎤 Mic On
+                    </button>
+                    <button id="toggle-cam-btn" onclick="toggleCam()" class="btn-ide" style="flex: 1; padding: 8px; font-size: 0.75rem; background: rgba(16,185,129,0.2); border-color: #10b981;">
+                        📷 Cam On
+                    </button>
+                </div>
+
+                <button id="share-screen-btn" onclick="startScreenShare()" class="btn-ide btn-ide-run" style="width: 100%; padding: 10px; font-size: 0.8rem; background: linear-gradient(135deg, #6366f1 0%, #0078d4 100%);">
+                    🖥️ Share Screen with Interviewer
+                </button>
             </div>
         </div>
     </div>
@@ -391,28 +420,112 @@ function logViolation(type, details) {
             });
         }
 
-        // 4. WebRTC Camera Setup & Eye Gaze Analysis
-        navigator.mediaDevices.getUserMedia({ video: true, audio: false })
+        // 4. WebRTC Real-Time 2-Way Interview Call Setup
+        let localMediaStream = null;
+        let peerInstance = null;
+        let screenShareStream = null;
+        let isMicEnabled = true;
+        let isCamEnabled = true;
+
+        navigator.mediaDevices.getUserMedia({ video: true, audio: true })
             .then(stream => {
-                const videoEl = document.getElementById('webcam');
-                videoEl.srcObject = stream;
-
-                // MediaRecorder silent video recording
-                try {
-                    mediaRecorder = new MediaRecorder(stream, { mimeType: 'video/webm' });
-                    mediaRecorder.ondataavailable = e => {
-                        if (e.data.size > 0) recordedChunks.push(e.data);
-                    };
-                    mediaRecorder.start(10000); // 10s chunks
-                } catch (err) {}
-
-                // Client-side Eye Gaze & Camera Absence Motion Analysis
-                setInterval(analyzeCameraFrame, 3000);
+                localMediaStream = stream;
+                document.getElementById('webcam').srcObject = stream;
+                initPeerCall();
             })
             .catch(err => {
-                logViolation('gaze_anomaly', 'Camera permission denied or video stream disabled');
+                navigator.mediaDevices.getUserMedia({ video: true, audio: false })
+                    .then(stream => {
+                        localMediaStream = stream;
+                        document.getElementById('webcam').srcObject = stream;
+                        initPeerCall();
+                    });
             });
 
+        function initPeerCall() {
+            if (typeof Peer === 'undefined') return;
+
+            const peerId = 'cand_' + interviewId;
+            peerInstance = new Peer(peerId);
+
+            peerInstance.on('open', id => {
+                console.log('Candidate WebRTC Peer Registered:', id);
+            });
+
+            // Answer incoming call from Interviewer
+            peerInstance.on('call', call => {
+                call.answer(localMediaStream);
+                call.on('stream', remoteStream => {
+                    const remoteVideo = document.getElementById('interviewer-video');
+                    const placeholder = document.getElementById('interviewer-video-placeholder');
+                    if (remoteVideo) remoteVideo.srcObject = remoteStream;
+                    if (placeholder) placeholder.style.display = 'none';
+
+                    document.getElementById('call-status-badge').innerText = 'CONNECTED';
+                    document.getElementById('call-status-badge').style.background = 'rgba(16,185,129,0.3)';
+                });
+
+                call.on('close', () => {
+                    const placeholder = document.getElementById('interviewer-video-placeholder');
+                    if (placeholder) placeholder.style.display = 'flex';
+                    document.getElementById('call-status-badge').innerText = 'READY';
+                });
+            });
+        }
+
+        function toggleMic() {
+            if (!localMediaStream) return;
+            const audioTracks = localMediaStream.getAudioTracks();
+            if (audioTracks.length > 0) {
+                isMicEnabled = !isMicEnabled;
+                audioTracks[0].enabled = isMicEnabled;
+                const btn = document.getElementById('toggle-mic-btn');
+                btn.innerText = isMicEnabled ? '🎤 Mic On' : '🔇 Mic Muted';
+                btn.style.background = isMicEnabled ? 'rgba(16,185,129,0.2)' : 'rgba(239,68,68,0.2)';
+                btn.style.borderColor = isMicEnabled ? '#10b981' : '#ef4444';
+            }
+        }
+
+        function toggleCam() {
+            if (!localMediaStream) return;
+            const videoTracks = localMediaStream.getVideoTracks();
+            if (videoTracks.length > 0) {
+                isCamEnabled = !isCamEnabled;
+                videoTracks[0].enabled = isCamEnabled;
+                const btn = document.getElementById('toggle-cam-btn');
+                btn.innerText = isCamEnabled ? '📷 Cam On' : '🚫 Cam Off';
+                btn.style.background = isCamEnabled ? 'rgba(16,185,129,0.2)' : 'rgba(239,68,68,0.2)';
+                btn.style.borderColor = isCamEnabled ? '#10b981' : '#ef4444';
+            }
+        }
+
+        function startScreenShare() {
+            if (!navigator.mediaDevices.getDisplayMedia) {
+                alert('Screen sharing is not supported on your browser.');
+                return;
+            }
+
+            navigator.mediaDevices.getDisplayMedia({ video: true, audio: false })
+                .then(stream => {
+                    screenShareStream = stream;
+                    const btn = document.getElementById('share-screen-btn');
+                    btn.innerText = '🟢 Screen Sharing Active';
+                    btn.style.background = '#10b981';
+
+                    // Connect screen stream to interviewer screen peer
+                    const screenPeer = new Peer('cand_screen_' + interviewId + '_' + Date.now());
+                    screenPeer.on('open', () => {
+                        screenPeer.call('interviewer_screen_' + interviewId, stream);
+                    });
+
+                    stream.getVideoTracks()[0].onended = () => {
+                        btn.innerText = '🖥️ Share Screen with Interviewer';
+                        btn.style.background = 'linear-gradient(135deg, #6366f1 0%, #0078d4 100%)';
+                    };
+                })
+                .catch(err => console.log('Screen sharing cancelled'));
+        }
+
         function analyzeCameraFrame() {
             const video = document.getElementById('webcam');
             const canvas = document.getElementById('proctor-canvas');
diff --git a/resources/views/interview/index.blade.php b/resources/views/interview/index.blade.php
index 2b86a7b..266849f 100644
--- a/resources/views/interview/index.blade.php
+++ b/resources/views/interview/index.blade.php
@@ -9,6 +9,7 @@
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
     <link href="https://fonts.googleapis.com/css2?family=Instrument+Sans:wght@400;500;600;700&family=Outfit:wght@500;600;700&display=swap" rel="stylesheet">
     <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
+    <script src="https://unpkg.com/peerjs@1.5.2/dist/peerjs.min.js"></script>
 
     <style>
         :root {
@@ -397,15 +398,79 @@
         </div>
     </div>
 
-    <!-- Modal: Live Review & Code Inspection -->
+    <!-- Modal: Live Review, 2-Way Video Call, Screen Share & Code Inspection -->
     <div id="review-modal" class="admin-modal">
-        <div class="admin-modal-content">
+        <div class="admin-modal-content" style="max-width: 1100px;">
             <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 12px;">
                 <div>
                     <h3 id="modal-cand-name" style="font-family: 'Outfit', sans-serif; font-size: 1.25rem; font-weight: 700; color: white; margin: 0;">Review Candidate Session</h3>
                     <div id="modal-cand-uid" style="font-size: 0.75rem; color: #38bdf8;"></div>
                 </div>
-                <button onclick="document.getElementById('review-modal').classList.remove('active')" style="background:none; border:none; color:var(--text-muted); font-size:1.5rem; cursor:pointer;">&times;</button>
+                <button onclick="closeReviewModal()" style="background:none; border:none; color:var(--text-muted); font-size:1.5rem; cursor:pointer;">&times;</button>
+            </div>
+
+            <!-- LIVE 2-WAY VIDEO CALL & SCREEN SHARE PANEL -->
+            <div style="background: rgba(15,23,42,0.8); border: 1.5px solid #6366f1; border-radius: 16px; padding: 16px; margin-bottom: 20px;">
+                <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px;">
+                    <div style="display: flex; align-items: center; gap: 8px;">
+                        <span style="font-size: 1.1rem;">📞</span>
+                        <strong style="color: white; font-size: 0.95rem;">Real-Time 2-Way Interview Call & Candidate Screen</strong>
+                        <span id="interviewer-call-status" class="badge" style="background: rgba(99,102,241,0.2); color: #818cf8;">DISCONNECTED</span>
+                    </div>
+
+                    <div style="display: flex; gap: 8px;">
+                        <button id="btn-start-call" onclick="startInterviewerCall()" class="btn-nav" style="background: #10b981; color: white; border: none; font-weight: 700; padding: 6px 14px; cursor: pointer;">
+                            📞 Start 2-Way Call
+                        </button>
+                        <button id="btn-toggle-interviewer-mic" onclick="toggleInterviewerMic()" class="btn-nav" style="display: none; background: rgba(255,255,255,0.1); font-size: 0.75rem;">
+                            🎤 Mic On
+                        </button>
+                        <button id="btn-toggle-interviewer-cam" onclick="toggleInterviewerCam()" class="btn-nav" style="display: none; background: rgba(255,255,255,0.1); font-size: 0.75rem;">
+                            📷 Cam On
+                        </button>
+                    </div>
+                </div>
+
+                <!-- Video Feeds Grid: Candidate Video, Candidate Screen, Interviewer Video -->
+                <div style="display: grid; grid-template-columns: 1fr 1fr 220px; gap: 12px; min-height: 180px;">
+                    <!-- 1. Candidate Camera Stream -->
+                    <div style="position: relative; background: #050811; border-radius: 12px; border: 1px solid var(--card-border); overflow: hidden; height: 180px;">
+                        <video id="interviewer-cand-video" autoplay playsinline style="width: 100%; height: 100%; object-fit: cover;"></video>
+                        <div id="cand-video-placeholder" style="position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; background: rgba(15,23,42,0.9); color: #94a3b8; font-size: 0.75rem;">
+                            <div style="font-size: 1.8rem;">📷</div>
+                            <div>Candidate Camera Stream</div>
+                            <div style="font-size: 0.65rem; color: #38bdf8; margin-top: 4px;">Click 'Start 2-Way Call' to connect</div>
+                        </div>
+                        <div style="position: absolute; bottom: 6px; left: 6px; background: rgba(0,0,0,0.6); padding: 2px 8px; border-radius: 4px; font-size: 0.65rem; color: #34d399; font-weight: 600;">
+                            👤 Candidate Video
+                        </div>
+                    </div>
+
+                    <!-- 2. Candidate Live Shared Screen -->
+                    <div style="position: relative; background: #050811; border-radius: 12px; border: 1px solid var(--card-border); overflow: hidden; height: 180px;">
+                        <video id="interviewer-screen-video" autoplay playsinline style="width: 100%; height: 100%; object-fit: contain;"></video>
+                        <div id="screen-video-placeholder" style="position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; background: rgba(15,23,42,0.9); color: #94a3b8; font-size: 0.75rem;">
+                            <div style="font-size: 1.8rem;">🖥️</div>
+                            <div>Candidate Live Screen Share</div>
+                            <div style="font-size: 0.65rem; color: #94a3b8; margin-top: 4px;">Waiting for candidate to share screen...</div>
+                        </div>
+                        <div style="position: absolute; bottom: 6px; left: 6px; background: rgba(0,0,0,0.6); padding: 2px 8px; border-radius: 4px; font-size: 0.65rem; color: #38bdf8; font-weight: 600;">
+                            🖥️ Candidate Shared Screen
+                        </div>
+                    </div>
+
+                    <!-- 3. Interviewer Self Camera Stream -->
+                    <div style="position: relative; background: #050811; border-radius: 12px; border: 1px solid var(--card-border); overflow: hidden; height: 180px;">
+                        <video id="interviewer-self-video" autoplay muted playsinline style="width: 100%; height: 100%; object-fit: cover;"></video>
+                        <div id="self-video-placeholder" style="position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; background: rgba(15,23,42,0.9); color: #94a3b8; font-size: 0.75rem;">
+                            <div style="font-size: 1.5rem;">🎙️</div>
+                            <div>Interviewer Self Stream</div>
+                        </div>
+                        <div style="position: absolute; bottom: 6px; left: 6px; background: rgba(99,102,241,0.8); padding: 2px 8px; border-radius: 4px; font-size: 0.65rem; color: white; font-weight: 600;">
+                            Panelist Self
+                        </div>
+                    </div>
+                </div>
             </div>
 
             <div style="display: grid; grid-template-columns: 2fr 1fr; gap: 20px; margin-bottom: 20px;">
@@ -423,30 +488,36 @@
 
                 <!-- Right: Proctoring Logs & Silent Warning Sender -->
                 <div>
-                    <span style="font-size: 0.8rem; font-weight: 600; color: white;">Proctoring Violation Audit:</span>
+                    <span style="font-size: 0.8rem; font-weight: 600; color: white;">Proctoring Audit:</span>
                     <div id="modal-logs-display" style="background: rgba(0,0,0,0.3); border: 1px solid var(--card-border); border-radius: 10px; padding: 10px; max-height: 200px; overflow-y: auto; margin-bottom: 14px; font-size: 0.7rem; color: var(--text-muted);">
-                        No proctoring violations recorded.
+                        No violations recorded.
                     </div>
 
                     <!-- Silent Warning Form -->
                     <div style="background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.25); border-radius: 12px; padding: 12px;">
-                        <div style="font-size: 0.75rem; color: #fca5a5; font-weight: 600; margin-bottom: 6px;">Send Silent Warning to Candidate:</div>
-                        <input type="text" id="warning-input" placeholder="e.g. Please keep your camera centered." class="form-input" style="font-size: 0.75rem; margin-bottom: 8px;">
+                        <div style="font-size: 0.75rem; color: #fca5a5; font-weight: 600; margin-bottom: 6px;">Send Message to Candidate:</div>
+                        <input type="text" id="warning-input" placeholder="e.g. Please walk me through your solution logic." class="form-input" style="font-size: 0.75rem; margin-bottom: 8px;">
                         <button onclick="sendSilentWarning()" class="btn-nav" style="width: 100%; background: #ef4444; color: white; border: none; font-size: 0.75rem; font-weight: 600; padding: 6px; cursor: pointer;">
-                            🚨 Send Warning Message
+                            💬 Send Message
                         </button>
                     </div>
                 </div>
             </div>
 
             <div style="display: flex; justify-content: flex-end;">
-                <button type="button" onclick="document.getElementById('review-modal').classList.remove('active')" class="btn-nav">Close</button>
+                <button type="button" onclick="closeReviewModal()" class="btn-nav">Close</button>
             </div>
         </div>
     </div>
 
     <script>
         let currentInterviewId = null;
+        let interviewerPeer = null;
+        let screenReceiverPeer = null;
+        let interviewerLocalStream = null;
+        let activeCall = null;
+        let isInterviewerMicOn = true;
+        let isInterviewerCamOn = true;
 
         function openReviewModal(id, name, uid) {
             currentInterviewId = id;
@@ -454,6 +525,7 @@ function openReviewModal(id, name, uid) {
             document.getElementById('modal-cand-uid').innerText = 'Unique Submission ID: ' + uid;
 
             document.getElementById('review-modal').classList.add('active');
+            initInterviewerPeer();
 
             // Fetch live poll data
             fetch(`{{ route('interview.poll', ':id') }}`.replace(':id', id))
@@ -481,6 +553,123 @@ function openReviewModal(id, name, uid) {
                 });
         }
 
+        function initInterviewerPeer() {
+            if (!currentInterviewId || typeof Peer === 'undefined') return;
+
+            const peerId = 'interviewer_' + currentInterviewId;
+            interviewerPeer = new Peer(peerId);
+
+            interviewerPeer.on('open', id => {
+                console.log('Interviewer WebRTC Peer Registered:', id);
+            });
+
+            // Listen for candidate screen share peer stream
+            const screenPeerId = 'interviewer_screen_' + currentInterviewId;
+            screenReceiverPeer = new Peer(screenPeerId);
+            screenReceiverPeer.on('call', call => {
+                call.answer();
+                call.on('stream', screenStream => {
+                    const screenVid = document.getElementById('interviewer-screen-video');
+                    const placeholder = document.getElementById('screen-video-placeholder');
+                    if (screenVid) screenVid.srcObject = screenStream;
+                    if (placeholder) placeholder.style.display = 'none';
+                });
+            });
+        }
+
+        function startInterviewerCall() {
+            if (!currentInterviewId) return;
+
+            navigator.mediaDevices.getUserMedia({ video: true, audio: true })
+                .then(stream => {
+                    interviewerLocalStream = stream;
+                    document.getElementById('interviewer-self-video').srcObject = stream;
+                    document.getElementById('self-video-placeholder').style.display = 'none';
+
+                    document.getElementById('btn-toggle-interviewer-mic').style.display = 'inline-block';
+                    document.getElementById('btn-toggle-interviewer-cam').style.display = 'inline-block';
+                    document.getElementById('btn-start-call').innerText = '🔴 End Call';
+                    document.getElementById('btn-start-call').style.background = '#ef4444';
+                    document.getElementById('btn-start-call').onclick = endInterviewerCall;
+
+                    const candPeerId = 'cand_' + currentInterviewId;
+                    activeCall = interviewerPeer.call(candPeerId, stream);
+
+                    if (activeCall) {
+                        activeCall.on('stream', candRemoteStream => {
+                            const candVid = document.getElementById('interviewer-cand-video');
+                            const placeholder = document.getElementById('cand-video-placeholder');
+                            if (candVid) candVid.srcObject = candRemoteStream;
+                            if (placeholder) placeholder.style.display = 'none';
+
+                            document.getElementById('interviewer-call-status').innerText = 'CONNECTED';
+                            document.getElementById('interviewer-call-status').style.background = 'rgba(16,185,129,0.3)';
+                            document.getElementById('interviewer-call-status').style.color = '#34d399';
+                        });
+
+                        activeCall.on('close', () => {
+                            endInterviewerCall();
+                        });
+                    }
+                })
+                .catch(err => alert('Camera/Mic permission is required to start 2-Way Call.'));
+        }
+
+        function toggleInterviewerMic() {
+            if (!interviewerLocalStream) return;
+            const audioTracks = interviewerLocalStream.getAudioTracks();
+            if (audioTracks.length > 0) {
+                isInterviewerMicOn = !isInterviewerMicOn;
+                audioTracks[0].enabled = isInterviewerMicOn;
+                const btn = document.getElementById('btn-toggle-interviewer-mic');
+                btn.innerText = isInterviewerMicOn ? '🎤 Mic On' : '🔇 Mic Muted';
+                btn.style.background = isInterviewerMicOn ? 'rgba(255,255,255,0.1)' : 'rgba(239,68,68,0.3)';
+            }
+        }
+
+        function toggleInterviewerCam() {
+            if (!interviewerLocalStream) return;
+            const videoTracks = interviewerLocalStream.getVideoTracks();
+            if (videoTracks.length > 0) {
+                isInterviewerCamOn = !isInterviewerCamOn;
+                videoTracks[0].enabled = isInterviewerCamOn;
+                const btn = document.getElementById('btn-toggle-interviewer-cam');
+                btn.innerText = isInterviewerCamOn ? '📷 Cam On' : '🚫 Cam Off';
+                btn.style.background = isInterviewerCamOn ? 'rgba(255,255,255,0.1)' : 'rgba(239,68,68,0.3)';
+            }
+        }
+
+        function endInterviewerCall() {
+            if (interviewerLocalStream) {
+                interviewerLocalStream.getTracks().forEach(t => t.stop());
+                interviewerLocalStream = null;
+            }
+            if (activeCall) {
+                activeCall.close();
+                activeCall = null;
+            }
+
+            document.getElementById('cand-video-placeholder').style.display = 'flex';
+            document.getElementById('screen-video-placeholder').style.display = 'flex';
+            document.getElementById('self-video-placeholder').style.display = 'flex';
+
+            document.getElementById('btn-start-call').innerText = '📞 Start 2-Way Call';
+            document.getElementById('btn-start-call').style.background = '#10b981';
+            document.getElementById('btn-start-call').onclick = startInterviewerCall;
+
+            document.getElementById('btn-toggle-interviewer-mic').style.display = 'none';
+            document.getElementById('btn-toggle-interviewer-cam').style.display = 'none';
+
+            document.getElementById('interviewer-call-status').innerText = 'DISCONNECTED';
+            document.getElementById('interviewer-call-status').style.background = 'rgba(99,102,241,0.2)';
+            document.getElementById('interviewer-call-status').style.color = '#818cf8';
+        }
+
+        function closeReviewModal() {
+            endInterviewerCall();
+            document.getElementById('review-modal').classList.remove('active');
+        }
+
         function sendSilentWarning() {
             const msg = document.getElementById('warning-input').value.trim();
             if (!msg || !currentInterviewId) return;
@@ -496,7 +685,7 @@ function sendSilentWarning() {
             .then(r => r.json())
             .then(res => {
                 if (res.success) {
-                    alert('Silent warning sent to candidate screen!');
+                    alert('Message sent to candidate!');
                     document.getElementById('warning-input').value = '';
                 }
             });