UI/UX changes, added feature to switch to other LLM APIs

settings.css

@@ -46,6 +46,14 @@ body {
   margin-bottom: 16px;
 }
 
+.page-bar {
+  display: flex;
+  justify-content: flex-end;
+  align-items: center;
+  gap: 12px;
+  margin-bottom: 16px;
+}
+
 .title {
   font-size: 26px;
   font-weight: 700;
@@ -73,6 +81,13 @@ body {
   margin-bottom: 12px;
 }
 
+.row-title {
+  display: flex;
+  align-items: baseline;
+  gap: 8px;
+  flex-wrap: wrap;
+}
+
 h2 {
   margin: 0;
   font-size: 16px;
@@ -81,6 +96,17 @@ h2 {
   color: var(--muted);
 }
 
+.hint {
+  font-size: 12px;
+  text-transform: none;
+  letter-spacing: 0;
+  color: var(--muted);
+}
+
+.hint-accent {
+  color: var(--accent);
+}
+
 .field {
   display: grid;
   gap: 6px;
@@ -179,6 +205,17 @@ button:active {
 
 .task-actions {
   display: flex;
-  gap: 8px;
+  gap: 6px;
   justify-content: flex-end;
 }
+
+.icon-btn {
+  width: 34px;
+  padding: 6px 0;
+  font-weight: 700;
+  line-height: 1;
+}
+
+.icon-btn.delete {
+  color: #c0392b;
+}