Improve property description hints for dialogs

server/src/wled_controller/static/style.css

@@ -966,9 +966,49 @@ input:-webkit-autofill:focus {
     opacity: 1;
 }
 
+.label-row {
+    display: flex;
+    align-items: center;
+    gap: 6px;
+    margin-bottom: 5px;
+}
+
+.label-row label {
+    margin-bottom: 0;
+}
+
+.hint-toggle {
+    background: none;
+    border: 1px solid var(--border-color);
+    border-radius: 50%;
+    width: 18px;
+    height: 18px;
+    font-size: 0.7rem;
+    line-height: 1;
+    color: var(--text-secondary, #888);
+    cursor: pointer;
+    padding: 0;
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    opacity: 0.6;
+    transition: opacity 0.2s;
+    flex-shrink: 0;
+}
+
+.hint-toggle:hover {
+    opacity: 1;
+}
+
+.hint-toggle.active {
+    opacity: 1;
+    color: var(--primary-color, #4CAF50);
+    border-color: var(--primary-color, #4CAF50);
+}
+
 .input-hint {
     display: block;
-    margin-top: 8px;
+    margin: 0 0 6px 0;
     color: #666;
     font-size: 0.85rem;
 }