A logo for a sunny day cafe named "Mandiri" with a playful and whimsical design featuring a smiling sun in the center surrounded by colorful flowers and leaves. the sun has large, expressive eyes and a small heart in its center, with a cheerful expression. the background is a solid black color, and the text "sunny day cafe" is written in a turquoise font above the sun, with the word "mandiri" written below it in a playful, whimsical style. the overall design is simple yet eye-catching, with bright colors and a cheerful atmosphere.