Match tvOS seek preview to iOS glass design

Yattee/Views/Player/tvOS/TVPlayerProgressBar.swift

@@ -213,21 +213,31 @@ struct TVPlayerProgressBar: View {
     @ViewBuilder
     private func scrubPreviewOverlay(geometry: GeometryProxy) -> some View {
         if isScrubbing {
-            let previewWidth: CGFloat = 352
-            let previewHeight: CGFloat = 260
+            let seekTime = scrubTime ?? currentTime
+            let currentChapter = showChapters ? chapters.last(where: { $0.startTime <= seekTime }) : nil
+            // Panel is 320 thumbnail + 4pt horizontal padding * 2 = 328, plus shadow.
+            // Use a slightly larger value for x-clamping to keep shadow inside screen.
+            let previewWidth: CGFloat = 344
+            // Panel height (thumbnail 180 + 6pt vertical padding * 2 = 192) plus
+            // optional chapter capsule (~36pt) and 8pt VStack spacing.
+            let previewHeight: CGFloat = currentChapter != nil ? 244 : 200
             let halfWidth = previewWidth / 2
             let clampedX = max(halfWidth, min(geometry.size.width - halfWidth, geometry.size.width * progress))
             let yPosition = -previewHeight / 2 - 16
 
-            Group {
+            VStack(spacing: 8) {
+                if let currentChapter {
+                    TVChapterCapsuleView(title: currentChapter.title)
+                        .frame(maxWidth: 320)
+                }
+
                 if let storyboard {
                     TVSeekPreviewView(
                         storyboard: storyboard,
-                        seekTime: scrubTime ?? currentTime,
-                        chapters: showChapters ? chapters : []
+                        seekTime: seekTime
                     )
                 } else {
-                    Text((scrubTime ?? currentTime).formattedAsTimestamp)
+                    Text(seekTime.formattedAsTimestamp)
                         .font(.system(size: 48, weight: .medium))
                         .monospacedDigit()
                         .foregroundStyle(.white)
@@ -239,6 +249,7 @@ struct TVPlayerProgressBar: View {
                         )
                 }
             }
+            .fixedSize()
             .position(x: clampedX, y: yPosition)
             .transition(.scale.combined(with: .opacity))
             .allowsHitTesting(false)

Yattee/Views/Player/tvOS/TVSeekPreviewView.swift

@@ -8,52 +8,55 @@
 #if os(tvOS)
 import SwiftUI
 
+/// Glass capsule showing the current chapter title above the tvOS seek preview.
+struct TVChapterCapsuleView: View {
+    let title: String
+
+    var body: some View {
+        Text(title)
+            .font(.system(size: 24, weight: .medium))
+            .lineLimit(1)
+            .truncationMode(.tail)
+            .foregroundStyle(.white)
+            .padding(.horizontal, 16)
+            .padding(.vertical, 6)
+            .glassBackground(
+                .regular,
+                in: .capsule,
+                fallback: .ultraThinMaterial,
+                colorScheme: .dark
+            )
+            .shadow(radius: 4)
+    }
+}
+
 /// Preview thumbnail displayed during scrubbing on tvOS.
 /// Scaled up for TV viewing distance.
 struct TVSeekPreviewView: View {
     let storyboard: Storyboard
     let seekTime: TimeInterval
-    let chapters: [VideoChapter]
 
     @State private var thumbnail: UIImage?
     @State private var loadTask: Task<Void, Never>?
 
-    /// The current chapter based on seek time.
-    private var currentChapter: VideoChapter? {
-        chapters.last { $0.startTime <= seekTime }
-    }
-
     private let thumbnailWidth: CGFloat = 320
 
     var body: some View {
-        VStack(spacing: 12) {
-            // Chapter name (only shown if chapters exist, larger for TV)
-            // Constrained to thumbnail width to prevent expanding the preview
-            if let chapter = currentChapter {
-                Text(chapter.title)
-                    .font(.system(size: 28, weight: .medium))
-                    .lineLimit(2)
-                    .multilineTextAlignment(.center)
-                    .truncationMode(.tail)
-                    .foregroundStyle(.white)
-                    .shadow(color: .black.opacity(0.8), radius: 3, x: 0, y: 1)
-                    .frame(maxWidth: thumbnailWidth)
-                    .fixedSize(horizontal: false, vertical: true)
-            }
-
         // Thumbnail with timestamp overlay (scaled up for TV)
         ZStack(alignment: .bottom) {
             Group {
                 if let thumbnail {
                     Image(uiImage: thumbnail)
                         .resizable()
-                            .aspectRatio(contentMode: .fit)
+                        .aspectRatio(contentMode: .fill)
                 } else {
                     // Placeholder while loading
                     Rectangle()
                         .fill(Color.gray.opacity(0.3))
                 }
             }
+            .frame(width: thumbnailWidth, height: 180)
+            .clipped()
 
             // Timestamp overlaid at bottom center (larger for TV)
             Text(seekTime.formattedAsTimestamp)
@@ -66,12 +69,15 @@ struct TVSeekPreviewView: View {
                 .clipShape(.rect(cornerRadius: 6))
                 .padding(.bottom, 8)
         }
-            .frame(width: thumbnailWidth, height: 180)
-            .clipShape(.rect(cornerRadius: 8))
-        }
-        .padding(16)
-        .background(.ultraThinMaterial)
-        .clipShape(.rect(cornerRadius: 16))
+        .clipShape(.rect(cornerRadius: 4))
+        .padding(4)
+        .glassBackground(
+            .regular,
+            in: .rect(cornerRadius: 8),
+            fallback: .ultraThinMaterial,
+            colorScheme: .dark
+        )
+        .shadow(radius: 4)
         .onChange(of: seekTime) { _, newTime in
             loadThumbnail(for: newTime)
         }