Increase modal popup size for better usability

- Increased modal max-width from 600px to 1400px
- Increased modal width from 90% to 95%
- Increased browse modal min-height from 400px to 600px
- Changed items list max-height to 70vh for better scaling

Author: devinvee

webui/src/App.css

@@ -549,8 +549,8 @@ body {
 .modal-content {
 	background: var(--bg-secondary);
 	border-radius: 1rem;
-	width: 90%;
-	max-width: 600px;
+	width: 95%;
+	max-width: 1400px;
 	max-height: 90vh;
 	overflow-y: auto;
 	border: 1px solid var(--border);
@@ -963,7 +963,7 @@ body {
 
 /* Browse Modal */
 .browse-modal {
-	min-height: 400px;
+	min-height: 600px;
 }
 
 .library-selector p {
@@ -1031,7 +1031,7 @@ body {
 	display: grid;
 	grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
 	gap: 1rem;
-	max-height: 500px;
+	max-height: 70vh;
 	overflow-y: auto;
 	padding: 0.5rem;
 }