from meine_app.theme import generate_css


def test_generate_css_dark():
    css = generate_css("dark")
    assert b"hai_bg" in css
    assert b"#030b13" in css


def test_generate_css_light():
    css = generate_css("light")
    assert b"hai_bg" in css
    assert b"#f8fafc" in css


def test_generate_css_invalid_falls_back_to_dark():
    css = generate_css("nonexistent")
    assert b"#030b13" in css


def test_light_and_dark_differ():
    assert generate_css("dark") != generate_css("light")