Add comprehensive flexbox support across 8 areas: - flex/flex-flow shorthand parsing from raw CssToken kinds - justify-content: space-around/space-evenly, align-items: baseline - flex-direction: row-reverse/column-reverse with justify swap - align-self per-item cross-axis override - flex-wrap multi-line layout with line partitioning and packing - align-content with all 7 distribution strategies - display: inline-flex with proper formatting context handling - order property with stable sort and integer-only validation Rewrites the flex layout algorithm to support multi-line containers, reverse directions, per-item alignment, and all content distribution modes. Promotes 36 WPT tests to pass and demotes 25 false passes exposed by correct gap handling. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
832 B
832 B