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@rcarls/rc-theme-material

v0.5.0

Published

Material 3 CSS theme and token bridge for rc-webcomponents.

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Readme

@rcarls/rc-theme-material

Material 3 CSS theme and token bridge for rc-webcomponents.

Docs: https://richardcarls.github.io/rc-webcomponents/guide/theme-previews.

Maps Material Design system and component CSS custom properties onto the public --rc-* styling contract. It changes presentation only and is an entirely optional theme package.

Material 3 tokens and defaults vendored from the archived material-foundation/material-tokens

Installation

yarn add @rcarls/rc-theme-material

Bridge your existing Material 3 theme

Import the design-token bridge and rc-webcomponents styles.

@import '@rcarls/rc-theme-material/bridge.css';
@import '@rcarls/rc-theme-material/components.css';

Selective component styles are also exported:

@import '@rcarls/rc-theme-material/bridge.css';
@import '@rcarls/rc-theme-material/components/select.css';
@import '@rcarls/rc-theme-material/components/menu.css';

The state-layer utility is included by components.css and theme.css, and is also exported separately for selective imports:

@import '@rcarls/rc-theme-material/state-layer.css';

Apply .rc-state-layer to interactive elements that already define their own border radius when you want a CSS-only Material state layer.

Theme styles are scoped under a .rc-theme-material class.

<body class="rc-theme-material">
  <!-- rc-webcomponents -->
</body>

Full standalone Material 3 theme

Includes bundled light and dark Material 3 token defaults and the full bridge and component style layers:

@import '@rcarls/rc-theme-material/theme.css';

Theming scope

The full style layer styles native controls when their intent is established by composition, for example menu items and button triggers. Otherwise, it does not style unrelated application controls and follows design-token conventions.

Fonts and icons are not bundled; websites and applications may provide Roboto and Material Symbols through other means. Tag general icon-font markup with data-rc-icon; component-specific markers such as data-rc-button-icon and data-rc-navigation-icon opt in automatically. The shared --rc-icon-font-size and --rc-icon-font-line-height tokens keep glyph geometry consistent and can be overridden at the theme boundary or on one component.

Material Web token names are used where a corresponding component exists. Search bar and top app bar mappings follow Material 3 token terminology and fall back through Material system roles.