Description: Card art with a smooth color-gradient backdrop or character shading (flat or radial), without representational depth. Common on Scarlet & Violet promo full arts.

Rationale: Several Scarlet & Violet promo full arts use a flat-gradient stylized look that doesn't fit 'oil-paint', 'neon', or '3d'. Adding 'gradient' gives a clear home for that aesthetic alongside the existing art_style tags.

Rationale: Pokémon types are already filterable elsewhere on the site — 'psychic' as a visual tag duplicates that. Only 12 cards have it, all of which have better visual descriptors (purple, glowing, abstract-background, etc.).

Rationale: Same concept under two suffixes. 'nighttime' has 1,051 cards vs 'night' at 296 — folding into the canonical form matches the daytime / nighttime / sunset naming pattern across this category.

Rationale: Currently buried in 'other' (114 cards) but it's clearly a setting descriptor. Moving it into 'location' surfaces it alongside 'forest', 'meadow', and 'beach' where people browse for setting tags.

Description: Card art depicts a human trainer alongside the featured Pokémon (Trainer Gallery cards, full-art Supporters, TG-style illustrations). For specific named trainers, use the trainer_name category instead.

Rationale: Most-tagged tag in 'object' (1,481 cards) but with no description, contributors keep tagging any background human. A clear definition reins it in and points people to trainer_name for named figures.