Enforce the current web CSS architecture and warm editorial styling conventions in this repository. Use when creating or changing styles, theming, design tokens, component visuals, layout classes, or page atmosphere in web/src/css.
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Enforce the current web CSS architecture and warm editorial styling conventions in this repository. Use when creating or changing styles, theming, design tokens, component visuals, layout classes, or page atmosphere in web/src/css.
CSS Standards
Scope
Applies to the web client styles under web/src/css/ and class names used in web/src/html/*.html and web/src/js/components/*.js.
Visual Direction
The UI theme is warm and print-like, not dark, neon, or glass-heavy.
Base colors should stay anchored to the current palette: soft paper background, green primary, plum accent, muted text, and restrained blue links.
Surfaces should feel calm and tactile: soft white cards and panels, warm borders, modest gradients, and controlled shadows.
Background atmosphere belongs in base.css and should stay subtle: layered gradients, low-contrast texture, and no loud decorative effects.
Avoid reintroducing purple/cyan tech aesthetics unless the user explicitly asks for a different direction.
Typography
Use --font-body for normal UI copy and form controls.
Use --font-display for hero headings, section headings, and brand-forward moments.
Use --font-mono sparingly for pills, badges, or compact metadata that benefits from a coded label feel.
Use Font Awesome for UI icons and keep icon styling tied to the package-provided CSS variables instead of version-pinned font-family names.
The current stack is Roboto, Raleway, and Source Code Pro, defined across base.css and tokens.css.
Do not add new font families in component files. If typography needs to change globally, update base.css and tokens.css together.
Icons
Font Awesome is the shared icon system for the web app and is loaded globally through web/src/css/base.css.
Prefer semantic Font Awesome markup in HTML/JS components for visible controls, badges, and status affordances instead of emoji, ad hoc inline SVG fragments, or bespoke icon fonts.
Keep visible labels alongside icons in buttons, chips, cards, links, and modal actions; icons support the label and should not replace it by default.
When a pseudo-element icon is necessary, use the package-defined tokens such as var(--fa-font-solid) with the appropriate glyph content rather than hardcoded family names tied to a specific Font Awesome version.
If an icon requires spacing, alignment, or color treatment, handle that in the component stylesheet instead of inline styles or one-off markup attributes.
Core Rules
Keep page entry files such as web/src/css/index.css, web/src/css/login.css, and web/src/css/dashboard.css as composition layers: imports first, then only page-level layout and one-off page scaffolding.
Shared structural shells belong in reusable classes such as .surface-host and .surface-card from web/src/css/components/surface.css; keep semantic classes such as .panel, .dashboard-section, or .filter-surface alongside them in markup instead of re-encoding the shell in each component.
Each UI component must own its style file in web/src/css/components/; that file should style the semantic class, internals, and states, while structural shell rules stay in the shared surface layer and shared tokens.
If a page-specific component is a contextual variant of a reusable component, keep the shared visual primitive in the reusable component file and let the page-specific file contain only contextual overrides, extra affordances, and container-specific states.
If two or more page-scoped components share the same visual primitive and there is no clear reusable base component yet, extract a small shared partial or shared structural class instead of duplicating rules or pushing them back into the entry file.
Keep project-wide tokens in web/src/css/tokens.css under :root.
Never hardcode palette colors, fonts, radii, shadows, or repeated shell spacing in component files when an existing token or shared surface rule already covers the need.
For hover, focus, active, muted, and surface variations, prefer color-mix(...) with existing tokens.
Prefer nested CSS selectors within each component file to keep styles colocated and scoped.
Keep component-specific responsive rules in the same component file as the base styles they modify.
On phones, prefer flush section shells when they improve readability: page wrappers may drop outer padding to 0, primary sections/panels/modals may use var(--radius-sm), and the breathing room should move into inner headers, bodies, facts, nav blocks, and action rows instead of staying on the outer shell.
Restore the roomier framed-card treatment from the first upward breakpoint instead of preserving desktop gutters on narrow screens.
Keep interactions visually soft: subtle lift, border shifts, and shadow changes are preferred over aggressive transforms or high-contrast effects.
Do not introduce alternate icon systems or version-specific Font Awesome font-family strings in component CSS.
Do not use data-* attributes to store domain data (IDs, values, lookup mappings). Data attributes are for framework selectors and DOM behavior hooks only. Domain data belongs in JavaScript structures resolved at interaction time.
Surface layout and shell tokens: use the shared --space-*, --surface-*, and host/content surface variables instead of inventing component-local spacing scales for repeated shell patterns.
Structural Classes
Use semantic classes for meaning, JS hooks, and page ownership: .panel, .dashboard-section, .dashboard-settings-panel, .filter-surface, .card.
Add shared structural classes directly in markup when an element should receive a reusable shell pattern: .surface-host for large section/panel containers and .surface-card for inner card-like containers.
Prefer multiple classes on one element over creating a new component selector just to restate border, radius, background, shadow, and base padding behavior.
When rendering HTML from JS components, include the structural class in className so generated cards follow the same contract as server-rendered markup.
Do not turn the repo into free-form utility soup; keep the utility layer small and structural. Semantic classes still own internals, variants, and behavior-specific states.
Component Language
header.css and hero.css define the public-facing visual identity. Keep them elegant and warm, with restrained gradients and clear framing.
panel.css and event-card.css should read as paper surfaces: bright cards, soft borders, rounded edges, and careful shadows.
When a dashboard or page-specific card builds on the same card surface and metadata structure, keep that base treatment in event-card.css and reserve the page-specific stylesheet for status colors, actions, feedback panels, and other local customizations.
Filter styles currently live in index.css, while form primitives live in form.css; preserve that split unless there is a clear reason to extract a new component file.
Compact metadata elements such as pills, chips, and session badges should feel crisp and intentional, not flashy.
If a special form control needs structural styling, prefer a small semantic class in HTML such as .checkbox-field rather than inline styles.
Organization Pattern
index.css: imports tokens/base/component files plus home-page filter and empty-state rules
login.css: imports shared tokens/base/components plus auth-page layout and tabs rules
dashboard.css: imports shared tokens/base/components plus dashboard page layout only
tokens.css: color and spacing primitives
base.css: reset, atmospheric background, global typography primitives
components/surface.css: shared structural classes such as .surface-host and .surface-card
components/*.css: component-specific nested rules, including page-specific partials such as dashboard shell, sections, cards, event rows, modal layouts, or small shared dashboard primitives when several dashboard components depend on the same base treatment
Interaction with JS Components
When a component has visual state changes, toggle CSS classes in JS instead of writing inline styles.
CSS in the component file defines those variants with token-based colors and surface treatments
Theming Guardrails
Prefer warm neutrals and soft contrast over dramatic dark/light clashes.
Keep gradients within the project palette and use them mainly for large branded surfaces.
Use --font-display only where hierarchy or brand presence matters; do not turn body copy into display text.
Preserve roomy spacing in forms and cards. The current UI should feel calmer and more breathable than the previous version.
On phone layouts, do not force every section to remain a centered floating card if the page reads better with a flush mobile shell plus inner spacing.
When in doubt, match the tone of base.css, header.css, hero.css, and event-card.css before inventing a new pattern.
The .github/references/ folder can be used as style inspiration for component ergonomics, but visual decisions must follow the live tokens and component files in web/src/css/.
Review Checklist
Do repeated shells use shared structural classes in markup instead of bespoke selector-only shells?
Does each changed component map to a dedicated CSS file?
Does the page entry file stay slim and act as composition instead of owning leaf component blocks?
Do semantic classes and structural classes have separate responsibilities?
Does the change preserve the warm editorial theme instead of drifting back to a dark or neon look?
Are all colors, fonts, radii, and shadows tokenized via var(--...) where appropriate?
Do icon treatments follow the shared Font Awesome setup and avoid ad hoc glyph systems or stale font-family names?
Are tone variants created with color-mix(...)?
Are nested selectors used for component internals/states?
Do responsive overrides stay colocated with the component they modify?
On phones, are outer section shells using the available width well, with spacing pushed inward instead of trapped in desktop-style wrapper padding?
Are JS visual states represented by CSS classes (not inline styles)?
Do headings, badges, buttons, and surfaces still match the current typography and component language?
