Mobile application top header UI bar, user interface design element, solid deep forest green background, minimal white line art icon of a cozy steaming tea cup on the left, next to the text "ЧАЙ КЛУБ" written in Russian Cyrillic script in clean modern white sans-serif font. Flat design, no gradients, sharp details, studio lighting, cinematographic UI asset, isolated on black background --no yellow, --no orange, --ar 16:9
