Restia

Style: clean flat, light theme, white canvas with pale lavender panels, indigo-violet gradient ring plus a coral awake accent.

Layout: single scroll column — ring beside stage list, then stacked cards.

Components: total-sleep progress ring, Awake/REM/Core/Deep duration bars, date-stepper pill, sleep-factor range sliders with optimal-range toggle, foods-logged macro list.

Vibe: restful, gentle, quantified — consumer health.