Create a top-down RPG pixel art tileset based EXACTLY on the provided reference image. STRICT REQUIREMENTS: - Extract the environment from the reference and convert it into a clean tileset - Keep identical style, colors, lighting and level of detail - No redesign, no reinterpretation TILE SPECIFICATIONS: - Tile size: 64x64 pixels - Perfect grid alignment - No overlapping elements - Each tile must be clean and reusable - No full scene, ONLY tileset sheet INCLUDE TILES: - grass variations (light, dark, detailed, with flowers) - dirt paths (straight, corners, intersections, T-shapes) - river tiles (straight, corners, crossings, edges) - cliff edges (top, bottom, corners, inner/outer) - bridges (horizontal and vertical) - stone borders and walls - stairs (up/down transitions) - small decorations (rocks, bushes, logs, details) - ground transitions (grass ↔ dirt ↔ stone) STYLE: - detailed pixel art - slightly realistic fantasy RPG style - clean shading, no blur - consistent lighting from top IMPORTANT: - STRICT tileset layout, grid only - no perspective distortion - no characters, no buildings as full objects (only tileable parts) - no UI, no text OUTPUT: - full tileset sheet arranged in a grid - evenly spaced tiles - transparent or dark background