diff --git a/frontends/web/templates/decode.html_20251229 b/frontends/web/templates/decode.html_20251229
deleted file mode 100644
index 6b19dcf..0000000
--- a/frontends/web/templates/decode.html_20251229
+++ /dev/null
@@ -1,372 +0,0 @@
-{% extends "base.html" %}
-
-{% block title %}Decode Message - Stegasoo{% endblock %}
-
-{% block content %}
-<div class="row justify-content-center">
-    <div class="col-lg-8">
-        <div class="card">
-            <div class="card-header">
-                <h5 class="mb-0"><i class="bi bi-unlock-fill me-2"></i>Decode Secret Message or File</h5>
-            </div>
-            <div class="card-body">
-                {% if decoded_message %}
-                <!-- Text Message Result -->
-                <div class="alert alert-success">
-                    <h6><i class="bi bi-check-circle me-2"></i>Message Decrypted Successfully!</h6>
-                </div>
-               
-                <label class="form-label text-muted">Decoded Message:</label>
-                <div class="position-relative">
-                  <div class="alert-message p-3 rounded bg-dark border border-secondary" id="decodedContent" style="white-space: pre-wrap;">{{ decoded_message }}</div>
-                  <button class="btn btn-sm btn-outline-light position-absolute top-0 end-0 m-2" onclick="navigator.clipboard.writeText(document.getElementById('decodedContent').innerText).then(() => this.innerHTML = '<i class=\'bi bi-check\'></i>').catch(() => alert('Failed to copy'))">
-                    <i class="bi bi-clipboard"></i> Copy
-                  </button>
-                </div>
-
-                <a href="/decode" class="btn btn-outline-light w-100 mt-3">
-                    <i class="bi bi-arrow-repeat me-2"></i>Decode Another
-                </a>
-                
-                {% elif decoded_file %}
-                <!-- File Result -->
-                <div class="alert alert-success">
-                    <h6><i class="bi bi-check-circle me-2"></i>File Decrypted Successfully!</h6>
-                </div>
-                
-                <div class="text-center mb-4">
-                    <i class="bi bi-file-earmark-check text-success" style="font-size: 4rem;"></i>
-                    <h5 class="mt-3">{{ filename }}</h5>
-                    <p class="text-muted mb-1">{{ file_size }}</p>
-                    {% if mime_type %}
-                    <small class="text-muted">Type: {{ mime_type }}</small>
-                    {% endif %}
-                </div>
-                
-                <a href="{{ url_for('decode_download', file_id=file_id) }}" class="btn btn-primary btn-lg w-100 mb-3">
-                    <i class="bi bi-download me-2"></i>Download File
-                </a>
-                
-                <div class="alert alert-warning small">
-                    <i class="bi bi-clock me-1"></i>
-                    <strong>File expires in 5 minutes.</strong> Download now.
-                </div>
-                
-                <a href="/decode" class="btn btn-outline-light w-100">
-                    <i class="bi bi-arrow-repeat me-2"></i>Decode Another
-                </a>
-                
-                {% else %}
-                <!-- Decode Form -->
-                <form method="POST" enctype="multipart/form-data" id="decodeForm">
-                    <div class="row">
-                        <div class="col-md-6 mb-3">
-                            <label class="form-label">
-                                <i class="bi bi-image me-1"></i> Reference Photo
-                            </label>
-                            <div class="drop-zone">
-                                <input type="file" name="reference_photo" accept="image/*" required>
-                                <div class="drop-zone-label">
-                                    <i class="bi bi-cloud-arrow-up fs-3 d-block mb-2 text-muted"></i>
-                                    <span class="text-muted">Drop image or click to browse</span>
-                                </div>
-                                <img class="drop-zone-preview d-none">
-                            </div>
-                            <div class="form-text">
-                                The same reference photo used for encoding
-                            </div>
-                        </div>
-                        
-                        <div class="col-md-6 mb-3">
-                            <label class="form-label">
-                                <i class="bi bi-file-earmark-image me-1"></i> Stego Image
-                            </label>
-                            <div class="drop-zone" id="stegoDropZone">
-                                <input type="file" name="stego_image" accept="image/*" required>
-                                <div class="drop-zone-label">
-                                    <i class="bi bi-cloud-arrow-up fs-3 d-block mb-2 text-muted"></i>
-                                    <span class="text-muted">Drop image or click to browse</span>
-                                </div>
-                                <img class="drop-zone-preview d-none">
-                            </div>
-                            <div class="form-text">
-                                The image containing the hidden message/file
-                            </div>
-                        </div>
-                    </div>
-                    
-                    <div class="mb-3">
-                        <label class="form-label" id="dayPhraseLabel">
-                            <i class="bi bi-chat-quote me-1"></i> Day Phrase
-                        </label>
-                        <input type="text" name="day_phrase" class="form-control" 
-                               placeholder="e.g., correct horse battery" required>
-                        <div class="form-text">
-                            The phrase for the day the message was encoded
-                        </div>
-                    </div>
-                    
-                    <hr class="my-4">
-                    
-                    <h6 class="text-muted mb-3">
-                        SECURITY FACTORS 
-                        <span class="text-warning small">(provide same factors used during encoding)</span>
-                    </h6>
-                    
-                    <div class="row">
-                        <div class="col-md-6 mb-3">
-
-                            <label class="form-label"><i class="bi bi-123 me-1"></i> PIN</label>
-                            <div class="input-group">
-                                <input type="password" name="pin" class="form-control" id="pinInput" placeholder="6-9 digits" maxlength="9">
-                                <button class="btn btn-outline-secondary" type="button" id="togglePin">
-                                    <i class="bi bi-eye"></i>
-                                </button>
-                            </div>
-                            <div class="form-text">
-                                If PIN was used during encoding
-                            </div>
- 
-                        </div>
-                        
-                        <div class="col-md-6 mb-3">
-                            <label class="form-label">
-                                <i class="bi bi-file-earmark-lock me-1"></i> RSA Key
-                            </label>
-                            <ul class="nav nav-tabs nav-tabs-sm mb-2" role="tablist">
-                                <li class="nav-item" role="presentation">
-                                    <button class="nav-link active py-1 px-2 small" data-bs-toggle="tab" data-bs-target="#rsaFileTabDec" type="button">
-                                        <i class="bi bi-file-earmark me-1"></i>.pem File
-                                    </button>
-                                </li>
-                                <li class="nav-item" role="presentation">
-                                    <button class="nav-link py-1 px-2 small" data-bs-toggle="tab" data-bs-target="#rsaQrTabDec" type="button">
-                                        <i class="bi bi-qr-code me-1"></i>QR Code
-                                    </button>
-                                </li>
-                            </ul>
-                            <div class="tab-content">
-                                <div class="tab-pane fade show active" id="rsaFileTabDec" role="tabpanel">
-                                    <input type="file" name="rsa_key" class="form-control form-control-sm" id="rsaKeyInput" accept=".pem,.key,application/x-pem-file">
-                                </div>
-                                <div class="tab-pane fade" id="rsaQrTabDec" role="tabpanel">
-                                  <input type="file" name="rsa_key_qr" class="form-control form-control-sm" id="rsaKeyQrInput" accept="image/*">
-                                    <div class="form-text small">PNG, JPG, or other image of QR code</div>
-                                </div>
-                            </div>
-                            <div class="form-text">
-                                If RSA key was used during encoding (file or QR image)
-                            </div>
-                        </div>
-                    </div>
-                    
-                    <!-- RSA Key Password (shown when key selected) -->
-                    <div class="mb-3 d-none" id="rsaPasswordGroup">
-                        <label class="form-label">
-                            <i class="bi bi-key me-1"></i> RSA Key Password
-                        </label>
-                        <input type="password" name="rsa_password" class="form-control"
-                               placeholder="Password for the .pem file (if encrypted)">
-                        <div class="form-text">
-                            Leave blank if your key file is not password-protected
-                        </div>
-                    </div>
-                    
-                    <button type="submit" class="btn btn-primary btn-lg w-100" id="decodeBtn">
-                        <i class="bi bi-unlock me-2"></i>Decode
-                    </button>
-                </form>
-                
-                {% endif %}
-            </div>
-        </div>
-        
-        {% if not decoded_message and not decoded_file %}
-        <div class="card mt-4">
-            <div class="card-body">
-                <h6 class="text-muted mb-3"><i class="bi bi-question-circle me-2"></i>Troubleshooting</h6>
-                <ul class="list-unstyled text-muted small mb-0">
-                    <li class="mb-2">
-                        <i class="bi bi-dot"></i>
-                        Make sure you're using the <strong>exact same reference photo</strong> file
-                    </li>
-                    <li class="mb-2">
-                        <i class="bi bi-dot"></i>
-                        Use the phrase for the <strong>day the message was encoded</strong>, not today
-                    </li>
-                    <li class="mb-2">
-                        <i class="bi bi-dot"></i>
-                        Provide the <strong>same security factors</strong> (PIN and/or RSA key) used during encoding
-                    </li>
-                    <li class="mb-2">
-                        <i class="bi bi-dot"></i>
-                        Ensure the stego image hasn't been <strong>resized or recompressed</strong>
-                    </li>
-                    <li class="mb-0">
-                        <i class="bi bi-dot"></i>
-                        If using an RSA key, make sure the <strong>password is correct</strong>
-                    </li>
-                </ul>
-            </div>
-        </div>
-        {% endif %}
-    </div>
-</div>
-{% endblock %}
-
-{% block scripts %}
-<script>
-// Form submit loading state
-document.getElementById('decodeForm')?.addEventListener('submit', function() {
-    const btn = document.getElementById('decodeBtn');
-    btn.innerHTML = '<span class="spinner-border spinner-border-sm me-2"></span>Decoding...';
-    btn.disabled = true;
-});
-
-// Show RSA password field when key is selected (only for .pem files, not QR)
-const rsaKeyInput = document.getElementById('rsaKeyInput');
-const rsaKeyQrInput = document.getElementById('rsaKeyQrInput');
-const rsaPasswordGroup = document.getElementById('rsaPasswordGroup');
-
-if (rsaKeyInput) {
-    rsaKeyInput.addEventListener('change', function() {
-        // Show password field only for .pem files
-        rsaPasswordGroup.classList.toggle('d-none', !this.files.length);
-        // Clear QR input if file is selected
-        if (rsaKeyQrInput && this.files.length) {
-            rsaKeyQrInput.value = '';
-        }
-    });
-}
-
-if (rsaKeyQrInput) {
-    rsaKeyQrInput.addEventListener('change', function() {
-        // Hide password field for QR codes (they're unencrypted)
-        rsaPasswordGroup.classList.add('d-none');
-        // Clear file input if QR is selected
-        if (rsaKeyInput && this.files.length) {
-            rsaKeyInput.value = '';
-        }
-    });
-}
-
-// Day names for date detection
-const dayNames = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
-
-// Detect day from filename
-function detectDayFromFilename(filename) {
-    const dateMatch = filename.match(/_(\d{4})[-]?(\d{2})[-]?(\d{2})/);
-    
-    if (dateMatch) {
-        const [, year, month, day] = dateMatch;
-        const date = new Date(year, month - 1, day);
-        return dayNames[date.getDay()];
-    }
-    return null;
-}
-
-// Update day phrase label
-function updateDayLabel(dayName) {
-    const label = document.getElementById('dayPhraseLabel');
-    if (label && dayName) {
-        label.innerHTML = `<i class="bi bi-chat-quote me-1"></i>Provide <span class="day-of-week-highlight">${dayName}</span>'s Phrase`;
-    }
-}
-
-// PIN Toggle
-document.getElementById('togglePin')?.addEventListener('click', function() {
-    const input = document.getElementById('pinInput');
-    const icon = this.querySelector('i');
-    if (input.type === 'password') {
-        input.type = 'text';
-        icon.classList.replace('bi-eye', 'bi-eye-slash');
-    } else {
-        input.type = 'password';
-        icon.classList.replace('bi-eye-slash', 'bi-eye');
-    }
-});
-
-// Paste from Clipboard
-document.addEventListener('paste', function(e) {
-    if (!document.getElementById('decodeForm')) return;
-
-    const items = e.clipboardData.items;
-    for (let i = 0; i < items.length; i++) {
-        if (items[i].type.indexOf("image") !== -1) {
-            const blob = items[i].getAsFile();
-            
-            const stegoInput = document.querySelector('input[name="stego_image"]');
-            const refInput = document.querySelector('input[name="reference_photo"]');
-            
-            const targetInput = (!stegoInput.files.length) ? stegoInput : refInput;
-            
-            const container = new DataTransfer();
-            container.items.add(blob);
-            targetInput.files = container.files;
-            
-            targetInput.dispatchEvent(new Event('change'));
-            break;
-        }
-    }
-});
-
-// Drag & drop with preview
-document.querySelectorAll('.drop-zone').forEach(zone => {
-    const input = zone.querySelector('input[type="file"]');
-    const label = zone.querySelector('.drop-zone-label');
-    const preview = zone.querySelector('.drop-zone-preview');
-    const isStegoZone = zone.id === 'stegoDropZone';
-    
-    ['dragenter', 'dragover'].forEach(evt => {
-        zone.addEventListener(evt, e => {
-            e.preventDefault();
-            zone.classList.add('drag-over');
-        });
-    });
-    
-    ['dragleave', 'drop'].forEach(evt => {
-        zone.addEventListener(evt, e => {
-            e.preventDefault();
-            zone.classList.remove('drag-over');
-        });
-    });
-    
-    zone.addEventListener('drop', e => {
-        if (e.dataTransfer.files.length) {
-            input.files = e.dataTransfer.files;
-            const file = e.dataTransfer.files[0];
-            showPreview(file);
-            
-            if (isStegoZone) {
-                const dayName = detectDayFromFilename(file.name);
-                updateDayLabel(dayName);
-            }
-        }
-    });
-    
-    input.addEventListener('change', function() {
-        if (this.files && this.files[0]) {
-            const file = this.files[0];
-            showPreview(file);
-            
-            if (isStegoZone) {
-                const dayName = detectDayFromFilename(file.name);
-                updateDayLabel(dayName);
-            }
-        }
-    });
-    
-    function showPreview(file) {
-        if (!file.type.startsWith('image/')) return;
-        
-        const reader = new FileReader();
-        reader.onload = e => {
-            preview.src = e.target.result;
-            preview.classList.remove('d-none');
-            label.innerHTML = '<i class="bi bi-check-circle text-success me-1"></i>' + file.name;
-        };
-        reader.readAsDataURL(file);
-    }
-});
-</script>
-{% endblock %}