Blind 1.1

- Added Minecraft Java Edition 26.2 compatibility improvements.
- Added gbuffers_basic, gbuffers_textured, and gbuffers_textured_lit fallback passes.
- Replaced legacy ftransform() usage with explicit matrix transforms.
- Fixed screen-edge depth sampling in the outline effect.
- Fixed undefined reversed smoothstep() usage in the vignette.
- Added safer viewport-size handling.
- Removed an unused matrix uniform.
- Fixed invalid final alpha output and clamped final color safely.
- Preserved the original close-range visibility, darkness, pulse, noise, outline, and cursed color style.
