Added groups and restricted access.

Frontend/src/Styles/Theme.css

@@ -454,6 +454,20 @@ img,
   white-space: nowrap;
 }
 
+.BlameGutterHidden {
+  color: var(--TextMuted);
+  opacity: 0.6;
+}
+
+.BlameGutterAvatar {
+  width: 14px;
+  height: 14px;
+  border-radius: 50%;
+  object-fit: cover;
+  margin: 0 4px;
+  vertical-align: middle;
+}
+
 .PreviewMedia img,
 .PreviewMedia video {
   margin: auto;
@@ -747,6 +761,76 @@ img,
   font-size: 13px;
 }
 
+.SettingsHint {
+  color: var(--TextMuted);
+  font-size: 12px;
+}
+
+.AccessPicker {
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+}
+
+.AccessPicker input[type="text"] {
+  background: var(--SurfaceAlt);
+  color: var(--Text);
+  border: 1px solid var(--Border);
+  border-radius: 4px;
+  padding: 6px 8px;
+  font-family: inherit;
+}
+
+.AccessPickerList {
+  max-height: 160px;
+  overflow-y: auto;
+  border: 1px solid var(--Border);
+  border-radius: 4px;
+  padding: 4px;
+  display: flex;
+  flex-direction: column;
+  gap: 2px;
+}
+
+.AccessPickerRow {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 4px 6px;
+  border-radius: 3px;
+  cursor: pointer;
+  font-size: 13px;
+}
+
+.AccessPickerRow:hover {
+  background: var(--SurfaceAlt);
+}
+
+.AccessPickerType {
+  color: var(--Purple);
+  font-size: 11px;
+  border: 1px solid var(--Purple);
+  border-radius: 3px;
+  padding: 0 4px;
+}
+
+.AccessPickerEmpty {
+  color: var(--TextMuted);
+  font-size: 13px;
+  padding: 4px 6px;
+}
+
+.GroupRow {
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+  padding: 4px 0;
+}
+
+.GroupMemberList {
+  margin-left: 8px;
+}
+
 /* Login screen */
 
 .LoginScreen {