Polish BookmarkRow to match approved HTML mock

- Meta line .tertiary → .secondary (more readable domain/date line)
- Tag font 11pt → 12pt
- Reading progress bar: full-width, green, pinned to row bottom edge via overlay

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Marks/Views/BookmarkRow.swift

@@ -34,7 +34,7 @@ struct BookmarkRow: View {
                         Text(bookmark.dateAdded, style: .relative)
                     }
                     .font(.system(size: 13))
-                    .foregroundStyle(.tertiary)
+                    .foregroundStyle(.secondary)
                 }
 
                 Spacer()
@@ -68,7 +68,7 @@ struct BookmarkRow: View {
                     HStack(spacing: 6) {
                         ForEach(effectiveTags, id: \.self) { tag in
                             Text(tag)
-                                .font(.system(size: 11, weight: .medium))
+                                .font(.system(size: 12, weight: .medium))
                                 .foregroundStyle(.secondary)
                                 .padding(.horizontal, 8)
                                 .padding(.vertical, 3)
@@ -80,24 +80,23 @@ struct BookmarkRow: View {
                 .padding(.leading, 44)
             }
 
-            // Reading progress indicator
+        }
+        .padding(.vertical, 14)
+        .contentShape(Rectangle())
+        .overlay(alignment: .bottom) {
             if readingProgress > 0.02 {
                 GeometryReader { geo in
                     ZStack(alignment: .leading) {
                         Rectangle()
                             .fill(Color(.systemGray5))
                         Rectangle()
-                            .fill(Color.blue.opacity(0.55))
+                            .fill(Color(.systemGreen))
                             .frame(width: geo.size.width * min(readingProgress, 1))
                     }
                 }
                 .frame(height: 2)
-                .clipShape(Capsule())
-                .padding(.leading, 44)
             }
         }
-        .padding(.vertical, 14)
-        .contentShape(Rectangle())
     }
 
     private var podcastCached: Bool {