Nightmare Elite & Interface Update

• Added prominent animated glows to every elite enemy, making major threats easier to identify during crowded waves.

• Rebalanced elite health and damage so basic enemies remain satisfying to destroy while elite monsters require focus and careful dodging.

• Increased Vampire Lord durability and late-wave presence while keeping its direct damage manageable.

• Improved the Hollow Colossus charge distance and removed its ground-slam attack, sharpening its combat identity.

• Reduced excessive offensive Tombstone drops while making Double XP Tombstones more common.

• Added a glowing visual treatment to abilities that have reached maximum level.

• Improved the Tombstone power-up display and Nightmare Armory Forge interface.

• Fixed incorrect black areas and viewport gaps appearing around the main menu and gameplay screen.

• Additional interface polish, visual cleanup, stability improvements, and performance optimization.