No. 01
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.
Added Aug 11, 2026
- 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.
40 patterns · 0 dependenciesEvery 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.
No. 02
Data display
Benchmark progress bar
Places a raw figure on a scale of external benchmarks instead of printing it plain.
Added Aug 11, 2026
- progress
- benchmarks
- css-only
- data-viz
No. 03
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.
Added Aug 11, 2026
- table
- matrix
- sticky
- accessibility
No. 04
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.
Added Aug 11, 2026
- truncation
- paths
- text-overflow
- breadcrumbs
No. 05
Data displayUpdated
Shape-mark sequence
A sequence compressed into a row of small marks whose shape carries the state.
Updated Sep 28, 2026
- stepper
- sparkline
- series
- truncation
No. 06
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.
Added Aug 21, 2026
- timeline
- drill-down
- css-only
- data-viz
No. 07
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.
Added Aug 21, 2026
- meter
- skeuomorphic
- css-only
- reduced-motion
No. 08
Data display
Partitioned stage bar
Progress for work with several possible endings, drawn as a census rather than a fraction.
Added Sep 12, 2026
- progress
- stacked-bar
- batch
- legend
No. 09
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.
Added Sep 12, 2026
- explainability
- calculator
- disclosure
- formula
No. 10
Data displayUpdated
Plan preview tree
A dry run shown as a before-and-after tree with counts now, after, and the difference.
Updated Sep 28, 2026
- dry-run
- diff
- tree
- preview
No. 11
Data display
Uniform slot shell
One card shell many independent sources render through, where the shell does the capping.
Added Sep 12, 2026
- dashboard
- widgets
- cards
- empty-state
No. 12
LayoutUpdated
Object-shaped cards
Where a record stands for a physical thing, the card is drawn as that thing — nine variations in pure gradients.
Updated Sep 28, 2026
- cards
- css-only
- gradients
- variations
No. 13
Layout
Adaptive tile mosaic
A container with no artwork draws one from up to four member tiles, grid tracks following tile count.
Added Aug 11, 2026
- css-grid
- css-only
- no-assets
- cards
No. 14
LayoutUpdated
Ground-scrimmed artwork
Text printed over unreviewed artwork, scrimmed to an alpha that can be written down rather than guessed.
Updated Sep 28, 2026
- layout
- css-only
- gradients
- contrast
No. 15
LayoutUpdated
Hairline stat strip
Stat tiles joined by hairlines that are grid gap, not borders.
Updated Sep 28, 2026
- stats
- css-grid
- css-only
- hairline
No. 16
Layout
Annotated transcript
Conversation bubbles with a speaker-colored spine and a fixed metadata gutter.
Added Aug 21, 2026
- conversation
- gutter
- status-roles
- contrast
No. 17
Layout
Cork notice board
Pinned paper notes on a cork board where every texture is layered CSS gradients.
Added Aug 21, 2026
- skeuomorphic
- gradients
- no-assets
- cards
No. 18
LayoutUpdated
Hotspot marker layer
Markers at percentage coordinates over a fixed-aspect picture, turning into a list when too narrow.
Updated Sep 28, 2026
- hotspots
- pointer-events
- aspect-ratio
- container-query
No. 19
Layout
Line-art empty states
Inline drawings for empty surfaces stroked in the inherited text colour.
Added Sep 12, 2026
- empty-state
- svg
- currentcolor
- illustration
No. 20
Layout
Column-flow wall
Cards flowing down columns instead of across rows, with the reading-order cost stated plainly.
Added Sep 12, 2026
- masonry
- columns
- break-inside
- reading-order
No. 21
Interaction
Scroll edge shadows
An inset shadow shown only on the edge that has more content behind it.
Added Aug 11, 2026
- scrolling
- affordance
- lists
- overflow
No. 22
Interaction
Frozen-batch deck
A one-card-at-a-time review queue whose batch is snapshotted at mount.
Added Aug 11, 2026
- queue
- review-flow
- animation
- keyboard
No. 23
InteractionUpdated
Controls beside the anchor
Per-card controls over a fully-linked card without nesting interactive elements in the anchor.
Updated Sep 28, 2026
- cards
- accessibility
- keyboard
- focus-within
No. 24
InteractionUpdated
Pluggable canvas visualizer
One canvas, a registry of draw modes, each mode owning its entire frame.
Updated Sep 28, 2026
- canvas
- visualization
- registry
- animation
No. 25
InteractionUpdated
Roving-grid board
A dense grid of state cells that is one tab stop with arrow-key navigation.
Updated Sep 28, 2026
- keyboard
- roving-tabindex
- accessibility
- states
No. 26
Interaction
Section rail
Sticky vertical rail on wide screens, wrapping tab row on narrow ones, from the same markup.
Added Aug 21, 2026
- navigation
- toc
- responsive
- aria-current
No. 27
Interaction
Ledge-press buttons
Buttons on a solid ledge shadow that travel down onto it when pressed.
Added Aug 21, 2026
- buttons
- skeuomorphic
- press
- tokens
No. 28
InteractionUpdated
Guarded control
A blocked control stays focusable, carries the reason as text, and refuses in its handler.
Updated Sep 28, 2026
- aria-disabled
- disabled
- preconditions
- keyboard
No. 29
InteractionUpdated
Polled job card
One card for every state a background job passes through.
Updated Sep 28, 2026
- progress
- polling
- background-job
- indeterminate
No. 30
Interaction
Entry-transform motion
FLIP-style motion between two rendered states when the old DOM is already gone.
Added Sep 12, 2026
- animation
- transitions
- reflow
- reduced-motion
No. 31
InteractionUpdated
Slot-first picker
Assignment that starts at the destination slot, then narrows the catalogue.
Updated Sep 28, 2026
- assignment
- picker
- aria-pressed
- filtering
No. 32
Forms
Undo toast
A destructive action with no confirm dialog, held behind a toast and committed when it expires.
Added Aug 28, 2026
- undo
- toast
- destructive
- aria-live
No. 33
FormsNew
Blast-radius confirm
A confirm dialog that names everything a delete cascades and blocks dismissal while it runs.
Added Sep 28, 2026
- confirm-dialog
- destructive
- cascade
- dialog-element
No. 34
FormsUpdated
Batch action bar
A bar that exists only while something is selected, states the count in words, caps at five actions.
Updated Sep 28, 2026
- selection
- bulk-actions
- toolbar
- checkbox
No. 35
Forms
Filtered to zero
The three empty states a list actually has, written as three different screens.
Added Sep 12, 2026
- empty-state
- filter
- search
- zero-results
No. 36
Forms
Parsed query chips
A search box that echoes back how it read the text as removable chips.
Added Sep 12, 2026
- search
- query-syntax
- chips
- facets
No. 37
Forms
Compound-value picker
One grouped select whose value carries both the kind and the id.
Added Sep 12, 2026
- select
- optgroup
- polymorphic
- forms
No. 38
ColorUpdated
Ground-referenced color
Colors solved against the page's own ground token so they invert correctly between themes.
Updated Sep 28, 2026
- color
- contrast
- color-mix
- accessibility
No. 39
ColorUpdated
Single-property color variants
One custom property carries the hue; border, fill, spine and dot derive from it.
Updated Sep 28, 2026
- color
- color-mix
- custom-properties
- theming
No. 40
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.
Updated Sep 28, 2026
- contrast
- brand-color
- focus-ring
- opacity
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