Fix metadata display not wrapping long lines. Add LaTeX support

assets/css/floating-elements.css

@@ -3,12 +3,14 @@
    ======================================== */
 .floating-buttons {
   position: fixed;
-  bottom: 20px;
-  right: 20px;
+  bottom: 80px;
+  right: 15px;
   display: flex;
   flex-direction: column;
   gap: 10px;
   z-index: 1000;
+  /* Ensure buttons don't interfere with content */
+  pointer-events: none;
 }
 
 .floating-btn {
@@ -23,6 +25,8 @@
   display: flex;
   align-items: center;
   justify-content: center;
+  /* Re-enable pointer events for buttons */
+  pointer-events: auto;
 }
 
 .floating-btn:hover {
@@ -39,22 +43,39 @@
   color: white;
 }
 
+/* Responsive adjustments */
+@media (max-width: 768px) {
+  .floating-buttons {
+    bottom: 60px;
+    right: 10px;
+    gap: 8px;
+  }
+  
+  .floating-btn {
+    width: 48px;
+    height: 48px;
+    font-size: 1.1rem;
+  }
+}
+
 /* ========================================
    KEYBOARD SHORTCUTS HELP
    ======================================== */
 .shortcuts-help {
   position: fixed;
-  bottom: 140px;
-  right: 20px;
+  bottom: 220px;
+  right: 15px;
   background: var(--card-bg);
   border: 1px solid var(--border-color);
   border-radius: 8px;
   padding: 1rem;
   display: none;
   box-shadow: 0 4px 15px rgba(0,0,0,0.2);
-  z-index: 1000;
+  z-index: 1001;
   font-size: 0.9rem;
   max-width: 280px;
+  max-height: 400px;
+  overflow-y: auto;
 }
 
 .shortcuts-help h4 {
@@ -78,3 +99,14 @@
   font-size: 0.8rem;
   font-weight: 500;
 }
+
+/* Responsive adjustments */
+@media (max-width: 768px) {
+  .shortcuts-help {
+    bottom: 180px;
+    right: 10px;
+    left: 10px;
+    max-width: none;
+    max-height: 300px;
+  }
+}