Shorts caption preview
Play cues over a 9:16 frame with an illustrative safe zone.
00:00:00,000
Clear area on 1080×1920: 140 px from the top, 320 px from the bottom, 80 px from the left, 140 px from the right. Not a platform spec. Ctrl+Enter exports.
On a 1080×1920 frame the clear area starts 140 px down, stays 320 px above the bottom, 80 px from the left and 140 px from the right. A cue with more than 16 words is flagged. This is the short-form layout from the working plan, not a platform rule.