Rookery - Theming a rookery

Every key but tags-color can also be passed as a parameter directly to the rookery function, which will take precedence over the theme dictionary:

tags-color has no such parameter: it is a dictionary of its own, keyed by tag, and lives only inside theme.

The five colors each take a Typst color or a raw CSS string. Rookery allows a string so that you can specify rgba(...), color-mix(...), var(--your-own) and anything else CSS accepts. The three lengths — rule-width, pad and label-size — take a Typst length or a CSS length string, the string being how you reach the units Typst has no literal for: px for a hairline, and the rem label-size wants. label-font is a CSS font stack rather than either, passed through unvalidated, and an array of family names is joined for you: ("Berkeley Mono", "monospace") and "Berkeley Mono, monospace" are the same thing.

[idea:theme-reference]reference

Theme reference

Key	Default	What it sets
`link-color`	`rgba(128, 0, 255, .12)`	The hover background on any rookery link, and the fallback `border-color` takes when you leave it unset.
`fold-color`	`rgba(0, 100, 255, .05)`	The hover background on a window block, unless that window sets `display-background: false`.
`name-color`	`gray`	The `[idea:etal]` name’s own text.
`date-color`	`gray`	An idea’s or a window’s date, where it is shown.
`border-color`	`link-color`	The left rule that an idea, a window and an outline all carry.
`rule-width`	`2px`	How thick that rule is. The card’s corner is arithmetic against it, so the tab the name straddles stays shut when you move it.
`pad`	`0.5em`	The padding every rookery block measures from—an idea’s box, a window’s, and the indent a nested one takes.
`label-font`	`monospace`	The face the `[idea:etal]` name is set in, and the outline’s ‘Contents’ title with it. Both are machinery rather than writing, so both leave the prose face behind.
`label-size`	`0.57rem`	The size of that name. Load-bearing beyond the label: the tab’s lift, a window’s summary and the footer’s padding are all measured against it, so the corner closes at whatever size you choose. `rem` rather than `em`, so it does not shrink again inside a window.
`tags-color`	`(:)`	One color, or a `(text:, background:)` pair, per tag—delivered as a rule on `.idea-tag-<tag>` so it reaches the pill, the outline row’s marker and a search result’s chip alike.

[idea:class-reference]reference

HTML class reference

You can also style more granularly with your own CSS using the classes below. A trailing * below stands for a family whose members are named in the description.

Class	What it is
`.idea-box`	An idea’s own block where it was written, carrying the left rule and the padding every rookery block nested inside it measures from.
`.idea-head`, `.idea-tab`	The heading group, and the short top rule the name straddles at the card’s corner.
`.idea`, `.idea-title`	The idea’s heading element—which carries the anchor an `@idea:etal` fragment resolves to—and the title text inside it.
`.idea-label`, `.idea-date`	The `[idea:etal]` permalink and the date beside it, in a heading, a window summary or prose, wherever either is shown.
`.idea-tag`, `.idea-tag-<tag>`	A tag pill in the hat, and one extra class per tag the idea carries. The second reaches every surface that names the tag—the idea’s heading, its box, its outline row, its pill, and a search result’s chip, which JavaScript builds in the browser—so a single rule of your own styles a tag everywhere it shows up.
`.idea-ref`	An `@idea:other` reference in prose. See referencing ideas.
`.idea-window`	A transclusion, wearing the same rule and indent as `.idea-box`; the second class `.idea-window-plain` opts a bare `#idea-body` out of that box.
`.idea-window-*`	The fold: `-details` the `<details>`, `-summary` the row you click, `-title` the name in that row, `-body` what folds away under it. The date beside the title is `.idea-date`, the same class it wears in a heading.
`.idea-window-more*`	The second fold a `limit:` makes inside the body: `.idea-window-more` its `<details>`, `-more-summary` the shown blocks you click to see the rest, and `.idea-window-ellipsis` the `…` at the end of them.
`.idea-outline*`	A page’s outline: `.idea-outline` the list at each level of nesting, `-title` its “Contents” label, `-row` one row per idea.
`.idea-footnote*`	An idea’s own footnotes, carried on every surface it appears on: `.idea-footnotes` the block, `-title` its label, `.idea-footnote-list` and `.idea-footnote` its entries.
`.idea-fn-*`	`-ref` the superscript mark in prose, `-backlink` the way back up to it from the entry.
`.idea-references`, `.idea-page-refs`	The bibliography an idea’s citations draw from, and the page’s own for citations written outside any idea.
`.idea-footer*`	On an idea page: `.idea-footer` the ruled-off apparatus under the note, `-title` the label on each of its sections.
`.idea-context`, `.idea-backlinks`	That footer’s two sections: where the note was written, and the notes pointing at it.
`.idea-page-list`, `.idea-page-row`	A list of pages in either section, and one row in it—a page cannot fold, so it wears a window’s shape without being one.
`.idea-row*`	One row of an `#idea-row` list: `.idea-row` the `<li>`, `-when` its date cell, `-title` the title, `-cell` each extra cell, `-badges` the chip strip at the end. `@rookery/search` and `@rookery/timeline` draw the same row, so a rule of yours here reaches all three.
`.idea-index-count`	The “n ideas” line on the minted index page.
`.idea-dup-warning`	The build-time notice shown when two ideas claim the same name.

Every one of those elements also carries a data-rookery attribute naming the same thing without the prefix—.idea-box is [data-rookery="box"], .idea-window-summary is [data-rookery="window-summary"]—and it is the attribute, not the class, that rookery’s own stylesheet selects on. The two say the same thing, so write whichever reads better in your CSS; the attribute is there because css-prefix moves the classes and nothing should have to follow them to find an element. .idea-window-plain is the one that does not repeat itself: a plain window is [data-rookery="window"] wearing data-rookery-plain besides.

Anything that names a tag—a card, a window, a pill, an outline row, an index row, a badge—carries one more, data-rookery-tags, listing those tag names, minus any made invisible by invisible-tags.

[idea:css-reference]reference

CSS variable reference

You can override any value from the theme reference as a CSS variable, as well as other aspects of a rookery’s appearance.

Property	Default	What it sets
`--idea-tag-size`	`--idea-label-size`	A tag pill’s font size. Follows the name’s size unless you separate them.
`--idea-tag-radius`	`999px`	A pill’s corner radius.
`--idea-tag-color`, `--idea-tag-bg`	`--idea-name-color`, `rgba(128, 128, 128, .18)`	An untagged-by-`tags-color` pill’s text and background. Setting `tags-color` writes these per tag for you.
`--idea-tag-line`	`--idea-border-color`	The tick an outline row draws off the outline’s rule, where the row’s idea carries a tag.
`--idea-external-color`	`--idea-name-color`	The underline an outbound link takes on hover, in a references block or an idea page’s footer—so a link that leaves your rookery reads differently from one that stays in it.
`--idea-heading-margin-top`	`0.75em`	The space above an idea’s heading. Set this in your own stylesheet to return the heading to your site’s own vertical scale.
`--idea-row-pad-block`	`0.45rem`	An `#idea-row` row’s vertical padding. Published on purpose, and it inherits, so a cell that paints a background can stretch past it rather than reading as a chip sitting in the row.
`--idea-row-gutter`	`7.5em`	The width of a row grid’s first column.
`--idea-muted-color`	`gray`	The color of a de-emphasized row cell, and of a row date marked `soft:`.
`--idea-row-rule-color`	unset	The color of a row’s vertical rule. Read and never set by this package’s own stylesheet, precisely so a layered stylesheet can point it somewhere—a sibling package can run an urgency band down that bar.