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/**
 * @license
 * Copyright (c) 2017 - 2024 Vaadin Ltd.
 * This program is available under Apache License Version 2.0, available at https://vaadin.com/license/
 */
import './version.js';
import { css, registerStyles } from '@vaadin/vaadin-themable-mixin/vaadin-themable-mixin.js';
import { addLumoGlobalStyles } from './global.js';

const font = css`
  :host {
    /* prettier-ignore */
    --lumo-font-family: -apple-system, BlinkMacSystemFont, 'Roboto', 'Segoe UI', Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';

    /* Font sizes */
    --lumo-font-size-xxs: 0.75rem;
    --lumo-font-size-xs: 0.8125rem;
    --lumo-font-size-s: 0.875rem;
    --lumo-font-size-m: 1rem;
    --lumo-font-size-l: 1.125rem;
    --lumo-font-size-xl: 1.375rem;
    --lumo-font-size-xxl: 1.75rem;
    --lumo-font-size-xxxl: 2.5rem;

    /* Line heights */
    --lumo-line-height-xs: 1.25;
    --lumo-line-height-s: 1.375;
    --lumo-line-height-m: 1.625;
  }
`;

const typography = css`
  body,
  :host {
    font-family: var(--lumo-font-family);
    font-size: var(--lumo-font-size-m);
    line-height: var(--lumo-line-height-m);
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  small,
  [theme~='font-size-s'] {
    font-size: var(--lumo-font-size-s);
    line-height: var(--lumo-line-height-s);
  }

  [theme~='font-size-xs'] {
    font-size: var(--lumo-font-size-xs);
    line-height: var(--lumo-line-height-xs);
  }

  :where(h1, h2, h3, h4, h5, h6) {
    font-weight: 600;
    line-height: var(--lumo-line-height-xs);
    margin-block: 0;
  }

  :where(h1) {
    font-size: var(--lumo-font-size-xxxl);
  }

  :where(h2) {
    font-size: var(--lumo-font-size-xxl);
  }

  :where(h3) {
    font-size: var(--lumo-font-size-xl);
  }

  :where(h4) {
    font-size: var(--lumo-font-size-l);
  }

  :where(h5) {
    font-size: var(--lumo-font-size-m);
  }

  :where(h6) {
    font-size: var(--lumo-font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.03em;
  }

  p,
  blockquote {
    margin-top: 0.5em;
    margin-bottom: 0.75em;
  }

  a {
    text-decoration: none;
  }

  a:where(:any-link):hover {
    text-decoration: underline;
  }

  hr {
    display: block;
    align-self: stretch;
    height: 1px;
    border: 0;
    padding: 0;
    margin: var(--lumo-space-s) calc(var(--lumo-border-radius-m) / 2);
    background-color: var(--lumo-contrast-10pct);
  }

  blockquote {
    border-left: 2px solid var(--lumo-contrast-30pct);
  }

  b,
  strong {
    font-weight: 600;
  }

  /* RTL specific styles */
  blockquote[dir='rtl'] {
    border-left: none;
    border-right: 2px solid var(--lumo-contrast-30pct);
  }
`;

registerStyles('', typography, { moduleId: 'lumo-typography' });
addLumoGlobalStyles('typography-props', font);

export { font, typography };