Create an artistic illustration of a hand-painted portrait of a young beautiful medieval woman in a medieval dress sitting by a leaning oak tree on a sunny morning, her head tilted back dreamily. Wavy hair, closed eyes, white skin, rosy cheeks, slightly open mouth, holding an old book with a black dragon emblem. Far behind is a medieval castle. Portrait in a cozy, softly lit place, emphasizing elegance and classic beauty on a harmonious background. Balanced composition, concentration on details, golden ratio.