Data display
Windowed schedule grid
Rows of resources against a fixed time window, where each block is sized by its overlap with the window rather than by its own duration.
- schedule
- timeline
- grid
- flexbox
Pattern Library
UI Patterns
A UI pattern library built for coding agents. 40 patterns, each shipping a copy-paste prompt that rebuilds it inside your own codebase — plus a live preview and the source behind it.
Every pattern, three ways
Preview
The pattern running live in an isolated frame, in whichever theme you are reading in.
Source
Its markup, styles and behaviour, plus a single runnable file carrying its own palette.
Prompt
A written spec that rebuilds the pattern from scratch — including why each decision is the way it is. Paste it into Claude Code, Cursor, or any coding agent.
The prompts are the point. Each one is written to survive being handed to an agent with no other context: it names the surfaces the pattern belongs on, spells out the constraint that makes it work, and calls out the failure it exists to prevent. Nothing here is a dependency you install.
All patterns
Data display
Benchmark progress bar
Places a raw figure on a scale of external benchmarks instead of printing it plain.
- progress
- benchmarks
- css-only
- data-viz
Data display
Cross-highlight matrix
A two-axis lookup table with both headers sticky, hover lighting the full row and column at once, and a durable click-to-pin selection for touch.
- table
- matrix
- sticky
- accessibility
Data display
Left-truncating paths
Shortens a long path by dropping whole segments from the left, because the tail is what tells two paths apart.
- truncation
- paths
- text-overflow
- breadcrumbs
Data displayUpdated
Shape-mark sequence
A sequence compressed into a row of small marks whose shape carries the state.
- stepper
- sparkline
- series
- truncation
Data display
Linked month bars
A month-by-month volume timeline built from plain divs where every aggregate row links to the filtered view that produced it.
- timeline
- drill-down
- css-only
- data-viz
Data display
Glass vial meter
A vertical potion-vial meter whose liquid fills a wide bulb first and then rises into a narrow neck — all CSS, no images.
- meter
- skeuomorphic
- css-only
- reduced-motion
Data display
Partitioned stage bar
Progress for work with several possible endings, drawn as a census rather than a fraction.
- progress
- stacked-bar
- batch
- legend
Data display
Term-by-term derivation
A computed figure shown with the audit trail behind it — the number is the product and the derivation is the receipt.
- explainability
- calculator
- disclosure
- formula
Data displayUpdated
Plan preview tree
A dry run shown as a before-and-after tree with counts now, after, and the difference.
- dry-run
- diff
- tree
- preview
Data display
Uniform slot shell
One card shell many independent sources render through, where the shell does the capping.
- dashboard
- widgets
- cards
- empty-state
LayoutUpdated
Object-shaped cards
Where a record stands for a physical thing, the card is drawn as that thing — nine variations in pure gradients.
- cards
- css-only
- gradients
- variations
Layout
Adaptive tile mosaic
A container with no artwork draws one from up to four member tiles, grid tracks following tile count.
- css-grid
- css-only
- no-assets
- cards
LayoutUpdated
Ground-scrimmed artwork
Text printed over unreviewed artwork, scrimmed to an alpha that can be written down rather than guessed.
- layout
- css-only
- gradients
- contrast
LayoutUpdated
Hairline stat strip
Stat tiles joined by hairlines that are grid gap, not borders.
- stats
- css-grid
- css-only
- hairline
Layout
Annotated transcript
Conversation bubbles with a speaker-colored spine and a fixed metadata gutter.
- conversation
- gutter
- status-roles
- contrast
Layout
Cork notice board
Pinned paper notes on a cork board where every texture is layered CSS gradients.
- skeuomorphic
- gradients
- no-assets
- cards
LayoutUpdated
Hotspot marker layer
Markers at percentage coordinates over a fixed-aspect picture, turning into a list when too narrow.
- hotspots
- pointer-events
- aspect-ratio
- container-query
Layout
Line-art empty states
Inline drawings for empty surfaces stroked in the inherited text colour.
- empty-state
- svg
- currentcolor
- illustration
Layout
Column-flow wall
Cards flowing down columns instead of across rows, with the reading-order cost stated plainly.
- masonry
- columns
- break-inside
- reading-order
Interaction
Scroll edge shadows
An inset shadow shown only on the edge that has more content behind it.
- scrolling
- affordance
- lists
- overflow
Interaction
Frozen-batch deck
A one-card-at-a-time review queue whose batch is snapshotted at mount.
- queue
- review-flow
- animation
- keyboard
InteractionUpdated
Controls beside the anchor
Per-card controls over a fully-linked card without nesting interactive elements in the anchor.
- cards
- accessibility
- keyboard
- focus-within
InteractionUpdated
Pluggable canvas visualizer
One canvas, a registry of draw modes, each mode owning its entire frame.
- canvas
- visualization
- registry
- animation
InteractionUpdated
Roving-grid board
A dense grid of state cells that is one tab stop with arrow-key navigation.
- keyboard
- roving-tabindex
- accessibility
- states
Interaction
Section rail
Sticky vertical rail on wide screens, wrapping tab row on narrow ones, from the same markup.
- navigation
- toc
- responsive
- aria-current
Interaction
Ledge-press buttons
Buttons on a solid ledge shadow that travel down onto it when pressed.
- buttons
- skeuomorphic
- press
- tokens
InteractionUpdated
Guarded control
A blocked control stays focusable, carries the reason as text, and refuses in its handler.
- aria-disabled
- disabled
- preconditions
- keyboard
InteractionUpdated
Polled job card
One card for every state a background job passes through.
- progress
- polling
- background-job
- indeterminate
Interaction
Entry-transform motion
FLIP-style motion between two rendered states when the old DOM is already gone.
- animation
- transitions
- reflow
- reduced-motion
InteractionUpdated
Slot-first picker
Assignment that starts at the destination slot, then narrows the catalogue.
- assignment
- picker
- aria-pressed
- filtering
Forms
Undo toast
A destructive action with no confirm dialog, held behind a toast and committed when it expires.
- undo
- toast
- destructive
- aria-live
FormsNew
Blast-radius confirm
A confirm dialog that names everything a delete cascades and blocks dismissal while it runs.
- confirm-dialog
- destructive
- cascade
- dialog-element
FormsUpdated
Batch action bar
A bar that exists only while something is selected, states the count in words, caps at five actions.
- selection
- bulk-actions
- toolbar
- checkbox
Forms
Filtered to zero
The three empty states a list actually has, written as three different screens.
- empty-state
- filter
- search
- zero-results
Forms
Parsed query chips
A search box that echoes back how it read the text as removable chips.
- search
- query-syntax
- chips
- facets
Forms
Compound-value picker
One grouped select whose value carries both the kind and the id.
- select
- optgroup
- polymorphic
- forms
ColorUpdated
Ground-referenced color
Colors solved against the page's own ground token so they invert correctly between themes.
- color
- contrast
- color-mix
- accessibility
ColorUpdated
Single-property color variants
One custom property carries the hue; border, fill, spine and dot derive from it.
- color
- color-mix
- custom-properties
- theming
ColorUpdated
Controls on an unknown fill
Opaque controls, a gradient-darkened fill, and a two-tone focus ring on a surface whose colour arrives from outside.
- contrast
- brand-color
- focus-ring
- opacity
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