Capture the serene beauty of a tranquil beach at sunset, bathed in the ethereal glow of a retrowave-inspired purple theme. The calm sea stretches out before you, its surface reflecting the warm hues of the setting sun in a mesmerizing display of light and color. The detailed landscape features a flat horizon where the sky meets the water, creating a seamless transition between the two elements. Soft sea foam gently kisses the shore, adding a touch of movement and texture to the scene. The purple tones cast a dreamlike quality over the entire setting, enhancing the tranquil and peaceful ambiance of the beach at dusk.