Every UI surface, as typed Go.

Primary action element with size + variant slots.

Typed anchor with external-link affordances.

Copies text from a target selector to clipboard.

Inline keyboard-shortcut chip.

Cycles data-color-scheme between dark/light/auto.

Semantic <kbd> primitive for keyboard input — pair with ShortcutHint for styled chips.

Compact status pill, optionally dismissable.

Inline dot + label status indicator.

Full-width alert; optional dismiss + action.

Bordered prose call-out for tips or warnings.

Toast-style notification with icon + variant.

Zero-data placeholder with optional CTA.

Indeterminate progress indicator.

Shimmer placeholders while content loads.

Animated live-data heartbeat.

Surface that appears when an island RPC fails.

Action that commits + can rollback on error.

Bell icon with unread badge + popover (trigger + widget).

Native <progress> wrapper — determinate (Value set) or indeterminate (Value < 0).

Stacked notifications — client (data-fui-toast) or server (X-Gofastr-Toast header).

Surface with optional header / footer; whole-card link when Href is set.

Max-width wrapper with width tokens.

Vertical flex stack with gap token.

CSS Grid with min column width + gap tokens.

Horizontal flex with wrap.

Centers children horizontally + vertically.

Polymorphic <div> with padding/surface tokens.

Horizontal or vertical rule.

Maintains aspect ratio for media boxes.

Sticky-positioned wrapper.

Eyebrow + title + actions.

Hierarchy trail.

Page-cursor controls.

Horizontal action group with separators.

Hierarchical navigation sidebar.

In-page anchor list (runtime fills from headings).

Floating back-to-top button.

Skip-nav for assistive tech.

Dropdown menu list.

Single-select tabbed buttons.

Signal-driven tab strip — client-side panel switching with zero JS.

⌘K modal palette — wired in nav (try it).

Inline persistent search bar.

WAI-ARIA treeview with roving tabindex, type-ahead, and arrow-key nav.

Recursive ul/ol with native <details> collapse on branches — no runtime module.

IntersectionObserver active-section tracking for in-page anchor navs.

Native <details> accordion stack.

Hover/focus-triggered tip.

Two-step confirm interaction (trigger + modal pair).

Expand/collapse section using native <details>.

Single styled <details>/<summary> reveal — keyboard + find-in-page work with no JS.

Form container with submit + validation.

Label + input + help text + error.

Bordered group of related fields.

Native <select> styled to match the theme.

Single boolean toggle.

Grouped boolean options.

Single-select among grouped options.

On/off toggle that looks like a physical switch.

Multi-line text input with autosize.

Numeric input with stepper buttons.

Password with show/hide toggle.

Search field with leading icon + clear button.

Min/max thumb pair.

Single-value slider.

Free-form tag entry with chips.

Type-ahead suggestion picker.

Multi-pick from a list with chips.

Active filter chip strip with per-chip dismiss RPC.

Input plus leading/trailing addon.

Form-top error roll-up.

Show/hide a form field based on a sibling value.

Add/remove rows of fields.

Generic repeatable group.

Drag + keyboard reorderable list that POSTs the new order to an RPC.

Sortable + paginated data table island.

Pretty-printed expandable JSON.

Unified or split diff display.

Plain code block (no highlight).

Render Markdown source.

Vertical event timeline.

User picture or initials.

Stacked avatars with overflow chip.

Metric tile with trend.

Number that animates on appearance.

Star rating input or display.

Numeric counter with +/− buttons — client-side only.

Sentinel-driven lazy pagination — server appends HTML + a next-cursor header.

Vertical bar chart.

Line / area chart.

Pie / donut chart.

Tiny inline trend line.

Image with width/height + lazy + srcset.

Bundled SVG icon set with named lookup.

Image grid with lightbox.

Modal viewer for images.

Horizontal slider with snap.

Image processed through the framework's image pipeline.

Single-file picker with preview.

Drag-and-drop file upload.

Hour + minute picker.

Native swatch picker.

Boolean toggle — client-side signal flip, no RPC.

Numbered multi-step form (server-driven).

Linear progress through ordered steps.

Click a button → server returns a value → it appears on screen without reloading.

Click a button → server confirms → a modal pops up. No JavaScript needed.

Submit a form and see the result inline — the page never reloads.

Click a button → server confirms → you land on a new page, no full reload.

Elements fade in as they scroll into view — IntersectionObserver, no JS needed.

Toggle a CSS class when a signal changes — the same primitive drives several transition styles. Each example is one signal + one class.

Click-toggle dropdown with click-outside dismiss and Escape to close.

Grouped, collapsible navigation: a sticky rail on desktop, a framework drawer (backdrop + click-outside close + focus trap) on mobile (< 900px). Powers the docs + components nav. Active item highlighted; auto-closes on navigation.

Typed shared state: one producer renames the company, every bound consumer updates client-side — no per-consumer request.

Center-mounted dialog: backdrop, focus trap, Escape, URL deeplinking.

Edge-mounted sliding panel — same dismiss affordances as Modal, plus deeplinking.

Mobile-friendly bottom-anchored variant of Drawer with drag-to-dismiss.