updating deepfake inspector.

1) Adding a new page.
2) added multiple functionality.
2.1) multiple maginify options,
2.2) save the selected area for with anomaly.
3) fixed datasets page image alignments.

Author: Razaib-Tariq

Datasets.html

@@ -560,4 +560,212 @@ img.clickable-image:hover { transform: scale(1.02); }
 #modal-content { position: relative; max-width: 90%; max-height: 90%; text-align: center; }
 #modal-img { max-width: 100%; max-height: 100vh; display: block; margin: auto; border-radius: 8px; box-shadow: 0 0 20px rgba(255, 255, 255, 0.2); }
 .close-btn { position: absolute; top: 10px; right: 10px; color: #fff; font-size: 2rem; font-weight: bold; cursor: pointer; z-index: 10000; opacity: 0.8; padding: 5px 15px; background: rgba(0,0,0,0.5); border-radius: 50%; line-height: 1; }
-.close-btn:hover { opacity: 1; }
+.close-btn:hover { opacity: 1; }
+
+
+/* ==========================================================================
+   12. DEEPFAKE INSPECTOR TOOL
+   ========================================================================== */
+
+   .canvas-container {
+    position: relative;
+    background-color: #0d0d0d;
+    border-radius: 12px;
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    overflow: hidden;
+    min-height: 450px; /* Mobile height */
+    cursor: crosshair;
+    border: 1px solid #333;
+    box-shadow: inset 0 0 60px rgba(0,0,0,0.7);
+    transition: border-color 0.3s ease;
+}
+
+/* Balance width Sidebar on Desktop */
+@media (min-width: 1024px) {
+    .canvas-container {
+        min-height: 720px; 
+    }
+}
+
+.canvas-container.drag-active {
+    border-color: #1976d2;
+    background-color: #1a1a1a;
+}
+
+.canvas-container.is-locked {
+    border-color: #28a745;
+}
+
+#main-canvas {
+    position: absolute;
+    max-width: 100%;
+    height: auto;
+    z-index: 1;
+}
+
+.selection-box {
+    position: absolute;
+    width: 64px;
+    height: 64px;
+    border: 1px solid rgba(25, 118, 210, 0.8);
+    background: rgba(25, 118, 210, 0.1);
+    box-shadow: 0 0 0 4000px rgba(0,0,0,0.3);
+    pointer-events: none;
+    z-index: 5;
+    display: none;
+    transition: border-color 0.3s, background 0.3s;
+}
+
+.selection-box.locked {
+    border-color: #28a745;
+    background: rgba(40, 167, 69, 0.2);
+    border-width: 2px;
+    box-shadow: 0 0 0 4000px rgba(0,0,0,0.5);
+}
+
+#lens-preview {
+    position: absolute;
+    width: 256px;
+    height: 256px;
+    border: 4px solid #fff;
+    box-shadow: 0 0 40px rgba(0,0,0,0.9);
+    display: none;
+    border-radius: 50%;
+    pointer-events: none;
+    z-index: 100;
+    background-color: #000;
+    transition: transform 0.2s ease-out, border-color 0.3s;
+}
+
+.is-locked #lens-preview {
+    border-color: #28a745;
+    transform: scale(1.05);
+}
+
+/* Center Empty State mathematically */
+#empty-state {
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    transform: translate(-50%, -50%);
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    text-align: center;
+    width: 90%;
+    max-width: 400px;
+    padding: 40px 20px;
+    border: 2px dashed #444;
+    border-radius: 24px;
+    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
+    z-index: 2;
+    background: rgba(255,255,255,0.02);
+}
+
+.drag-active #empty-state {
+    border-color: #1976d2;
+    transform: translate(-50%, -50%) scale(1.05);
+}
+
+#empty-state i {
+    font-size: 5rem;
+    color: #1976d2;
+    margin-bottom: 24px;
+    filter: drop-shadow(0 0 15px rgba(25, 118, 210, 0.4));
+    animation: iconPulse 3s infinite ease-in-out;
+}
+
+#empty-state p {
+    font-size: 1.15rem;
+    font-weight: 500;
+    color: #bbb;
+    line-height: 1.6;
+    margin: 0;
+}
+
+@keyframes iconPulse {
+    0%, 100% { transform: translateY(0); opacity: 0.8; }
+    50% { transform: translateY(-10px); opacity: 1; filter: drop-shadow(0 0 25px rgba(25, 118, 210, 0.6)); }
+}
+
+.switch {
+    position: relative;
+    display: inline-block;
+    width: 50px;
+    height: 24px;
+}
+.switch input { opacity: 0; width: 0; height: 0; }
+.slider {
+    position: absolute;
+    cursor: pointer;
+    top: 0; left: 0; right: 0; bottom: 0;
+    background-color: #ccc;
+    transition: .4s;
+    border-radius: 24px;
+}
+.slider:before {
+    position: absolute;
+    content: "";
+    height: 18px; width: 18px;
+    left: 3px; bottom: 3px;
+    background-color: white;
+    transition: .4s;
+    border-radius: 50%;
+}
+input:checked + .slider { background-color: #1976d2; }
+input:checked + .slider:before { transform: translateX(26px); }
+
+.forensic-btn {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    gap: 8px;
+    padding: 10px 16px;
+    border-radius: 8px;
+    font-weight: 600;
+    font-size: 0.9rem;
+    transition: all 0.2s;
+    cursor: pointer;
+    width: auto;
+    white-space: nowrap;
+}
+
+.sidebar-btn {
+    width: 100%;
+    margin-bottom: 10px;
+}
+
+.btn-primary {
+    background-color: #1976d2;
+    color: white;
+    border: none;
+}
+.btn-primary:hover {
+    background-color: #1565c0;
+    transform: translateY(-1px);
+    box-shadow: 0 4px 12px rgba(25, 118, 210, 0.3);
+}
+
+.btn-secondary {
+    background-color: #f8f9fa;
+    color: #333;
+    border: 1px solid #ddd;
+}
+.btn-secondary:hover {
+    background-color: #e9ecef;
+    border-color: #ccc;
+}
+
+.btn-danger {
+    background-color: #fff5f5;
+    color: #dc3545;
+    border: 1px solid #feb2b2;
+}
+.btn-danger:hover {
+    background-color: #fee2e2;
+    transform: translateY(-1px);
+}