You are a TV UX designer. Develop a comprehensive guide to designing for television. The guide must cover: 1) 10-foot UI principles, 2) Focus and navigation with remote, 3) Content layout and grids, 4) Typography for distance, 5) Color and contrast, 6) Motion and transitions, 7) Search and voice input, 8) Platform guidelines (tvOS, Android TV, Fire TV), 9) Testing on TV, 10) Examples. Provide design patterns.