Add bulk operation

static/css/layout.css

@@ -385,4 +385,138 @@
     .back-to-top {
         bottom: 60px; /* Give some extra space from bottom on mobile */
     }
+}
+
+/* Bulk Operations Styles */
+.bulk-operations-panel {
+    position: fixed;
+    bottom: 20px;
+    left: 50%;
+    transform: translateY(100px) translateX(-50%);
+    background: var(--card-bg);
+    border: 1px solid var(--border-color);
+    border-radius: var(--border-radius-base);
+    padding: 12px 16px;
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+    z-index: var(--z-overlay);
+    display: flex;
+    flex-direction: column;
+    min-width: 300px;
+    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
+    opacity: 0;
+}
+
+.bulk-operations-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    margin-bottom: 12px;
+    gap: 20px; /* Increase space between count and buttons */
+}
+
+#selectedCount {
+    font-weight: 500;
+    background: var(--bg-color);
+    padding: 6px 12px;
+    border-radius: var(--border-radius-xs);
+    border: 1px solid var(--border-color);
+    min-width: 80px;
+    text-align: center;
+}
+
+.bulk-operations-actions {
+    display: flex;
+    gap: 8px;
+}
+
+.bulk-operations-actions button {
+    padding: 6px 12px;
+    border-radius: var(--border-radius-xs);
+    background: var(--bg-color);
+    border: 1px solid var(--border-color);
+    color: var(--text-color);
+    cursor: pointer;
+    font-size: 14px;
+    display: flex;
+    align-items: center;
+    gap: 6px;
+    transition: all 0.2s ease;
+}
+
+.bulk-operations-actions button:hover {
+    background: var(--lora-accent);
+    color: white;
+    border-color: var(--lora-accent);
+}
+
+/* Style for selected cards */
+.lora-card.selected {
+    box-shadow: 0 0 0 2px var(--lora-accent);
+    position: relative;
+}
+
+.lora-card.selected::after {
+    content: "✓";
+    position: absolute;
+    top: 10px;
+    right: 10px;
+    width: 24px;
+    height: 24px;
+    background: var(--lora-accent);
+    color: white;
+    border-radius: 50%;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    font-size: 14px;
+    z-index: 1;
+}
+
+/* Standardize button widths in controls */
+.control-group button {
+    min-width: 100px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    gap: 6px;
+}
+
+/* Update bulk operations button to match others when active */
+#bulkOperationsBtn.active {
+    background: var(--lora-accent);
+    color: white;
+    border-color: var(--lora-accent);
+}
+
+@media (max-width: 768px) {
+    .bulk-operations-panel {
+        width: calc(100% - 40px);
+        left: 20px;
+        transform: none;
+        border-radius: var(--border-radius-sm);
+    }
+    
+    .bulk-operations-actions {
+        flex-wrap: wrap;
+    }
+}
+
+.bulk-operations-panel.visible {
+    transform: translateY(0) translateX(-50%);
+    opacity: 1;
+}
+
+/* Remove the page overlay */
+.bulk-mode-overlay {
+    display: none; /* Hide the overlay completely */
+}
+
+/* Remove card scaling in bulk mode but keep the transition for other properties */
+.lora-card {
+    transition: box-shadow 0.3s ease;
+}
+
+/* Remove the transform scale from bulk mode cards */
+.bulk-mode .lora-card {
+    transform: none;
 }