Fix subtitle visibility and remove side borders/shadows

Co-authored-by: alexr00 <38270282+alexr00@users.noreply.github.com>

Author: Copilot

webviews/editorWebview/index.css

@@ -59,44 +59,24 @@ textarea:focus,
 	background: var(--vscode-editor-background);
 }
 
-/* Shadow effect when stuck */
-.title::before {
+/* Shadow effect when stuck - only on bottom */
+.title.stuck::after {
 	content: '';
 	position: absolute;
-	top: 0;
-	left: -32px;
-	right: -32px;
 	bottom: 0;
-	background: var(--vscode-editor-background);
+	left: 0;
+	right: 0;
+	height: 1px;
 	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
-	opacity: 0;
-	transition: opacity 0.2s ease;
 	pointer-events: none;
-	z-index: -1;
-}
-
-.title.stuck::before {
-	opacity: 1;
 }
 
 /* Hide subtitle when stuck */
-.title .subtitle {
-	transition: opacity 0.2s ease, max-height 0.2s ease;
-	max-height: 100px;
-	overflow: hidden;
-}
-
 .title.stuck .subtitle {
-	opacity: 0;
-	max-height: 0;
-	pointer-events: none;
+	display: none;
 }
 
 /* Adjust title size when stuck */
-.title .overview-title h2 {
-	transition: font-size 0.2s ease;
-}
-
 .title.stuck .overview-title h2 {
 	font-size: 18px;
 }
@@ -1259,9 +1239,8 @@ code {
 	border-bottom: 1px solid var(--vscode-contrastBorder);
 }
 
-.vscode-high-contrast .title.stuck::before {
+.vscode-high-contrast .title.stuck::after {
 	box-shadow: none;
-	border: 1px solid var(--vscode-contrastBorder);
 }
 
 .vscode-high-contrast .diff .diffLine {