Isophase

Style: dark app shell with an ice-blue off-white paper sheet, serif body type, muted greyscale palette.

Layout: tall centered sheet over a dimmed feed with left nav rail.

Components: Cancel and Attach header actions, titled multi-paragraph editor, bold/italic/underline/strikethrough formatting bar, sidebar nav with Signals, Pulse, Stats and Keeps, feed post cards.

Vibe: literary, quiet, writer-focused.