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## What Fixes misaligned day cells in the PITR calendar widget for the first week of the month. ## Why The PITR calendar draws a \`border\` on each day cell via \`classNames.day\`. The day \`<td>\` has no explicit width, so \`box-sizing: border-box\` doesn't apply and the 1px borders add to its size (36px → 38px), while the weekday header cells stay pinned at \`w-9\` (36px). Bordered day cells therefore drift right of their headers, which is most visible in the first partial week where unbordered leading cells sit flush next to the wider bordered ones. ## How Pin each day cell to a fixed \`w-9 box-border\` so the border is drawn inside the 36px box, and let the day button fill the cell (\`w-full\`). Column pitch now matches the weekday headers regardless of border state. Class-only change, no logic touched. Closes FE-3886 <!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit * **Style** * Improved calendar day cell sizing and layout for more consistent rendering. * Ensured day buttons use full-width styling where applicable, while preserving existing hover, border, background, and corner behavior. * **Documentation** * Added documentation for “Calendar with disabled days,” including a new interactive preview. * **New Features** * Introduced a calendar example demonstrating disabled-day behavior with mid-week month start and restricted date selection. <!-- end of auto-generated comment: release notes by coderabbit.ai --> --------- Co-authored-by: Joshen Lim <joshenlimek@gmail.com> Co-authored-by: Ivan Vasilov <vasilov.ivan@gmail.com>
packages/ui
Supabase's shared React component library. Built on Radix UI primitives and shadcn/ui, styled with Tailwind CSS, and used across all Supabase apps.
Usage
Import from the 'ui' package alias:
import { Badge, Button, Input } from 'ui'
Some of the components have the _Shadcn_ suffix. These components should be preferred, they're in a process of replacing the other ones.
Utilities
// deep object merge (used for themes)
import { clipboard, cn, mergeDeep } from 'ui' // clsx + tailwind-merge
// copy-to-clipboard helper
Styling conventions
- Tailwind only — no inline styles or CSS modules.
- Use shadcn semantic pairs (
bg-card text-card-foreground,bg-muted text-muted-foreground,bg-tertiary text-tertiary-foreground) rather than hardcoded colors. Legacy utilities such astext-foreground-lightandborder-defaultare compatibility aliases only. - Themes set the core
--hue(or the split--surface-hue/--primary-hue),--chroma,--surface,--foreground-lightness, and--contrastinputs, plus their--muted-foreground-leveland--tertiary-foreground-levelhierarchy. Semantic colors are derived from them in OKLCH;--contrast: 1is the baseline and the supported adjustment range is0.75to1.25. - The workspace root owns the actual
tailwind.config.js. The file in this package is a stub for IntelliSense only.