Preview styles

This commit is contained in:
2026-09-24 12:54:30 +02:00
parent c3a2ebc594
commit 8e3cbb6530
4 changed files with 458 additions and 55 deletions
+278 -21
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@@ -1,7 +1,10 @@
/* Generated by scripts/preview-styles.mjs; edit src/styles/global.css. */
/* ==========================================================================
CTAO Science Portal: content page mockup
Colours and type follow the CTAO Brand Guidelines (April 2024).
The editor preview (public/admin/preview.css) is generated from the
hero, prose and button sections below by scripts/preview-styles.mjs.
========================================================================== */
/* Fonts
@@ -126,19 +129,174 @@ button {
outline-color: var(--cherenkov-blue);
}
/* Utilities
========================================================================== */
.container {
width: min(100% - 2 * var(--gutter), var(--content-width));
margin-inline: auto;
}
.visually-hidden {
position: absolute;
width: 1px;
height: 1px;
margin: -1px;
padding: 0;
overflow: hidden;
clip-path: inset(50%);
white-space: nowrap;
border: 0;
}
.skip-link {
position: absolute;
top: -4rem;
left: 1rem;
z-index: 100;
padding: 0.5rem 1rem;
color: var(--galaxy-blue);
background: var(--white);
border-radius: var(--radius-sm);
}
.skip-link:focus {
top: 1rem;
}
.arrow {
display: inline-block;
transition: transform 0.25s ease;
}
a:hover .arrow,
button:hover .arrow {
transform: translateX(4px);
}
@keyframes panel-in {
from {
opacity: 0;
transform: translateY(-6px);
}
to {
opacity: 1;
transform: none;
}
}
/* Page hero
========================================================================== */
.page-hero {
--hero-veil: linear-gradient(
90deg,
rgba(0, 0, 74, 0.72) 0%,
rgba(0, 0, 74, 0.45) 45%,
rgba(0, 0, 74, 0) 75%
);
margin-top: calc(-1 * var(--header-height));
padding: calc(var(--header-height) + 3rem) 0 12rem;
color: var(--white);
background:
var(--grain),
linear-gradient(180deg, rgba(0, 0, 74, 0.55) 0, rgba(0, 0, 74, 0) 10rem),
var(--hero-veil),
#00004a;
border-bottom-right-radius: var(--radius-lg);
}
/* Pages without a photo: no room needed for the figure to overlap */
.page-hero--compact {
padding-bottom: 4rem;
}
.breadcrumb ol {
display: flex;
flex-wrap: wrap;
gap: 0.5rem;
margin: 0 0 1rem;
padding: 0;
font-size: 0.875rem;
list-style: none;
}
.breadcrumb li + li::before {
content: "›";
margin-right: 0.5rem;
color: rgba(255, 255, 255, 0.5);
}
.breadcrumb a {
color: rgba(255, 255, 255, 0.6);
}
.breadcrumb a:hover {
color: var(--white);
}
.breadcrumb [aria-current] {
font-weight: 500;
color: var(--white);
}
/* Headline: Space Grotesk medium, white on dark (D.3.4) */
.page-hero__title {
max-width: 24ch;
margin: 0 0 1.25rem;
font-family: var(--font-head);
font-size: clamp(2rem, 5vw, 3.75rem);
font-weight: 500;
line-height: 1.05;
letter-spacing: -0.02em;
text-wrap: balance;
overflow-wrap: anywhere;
}
.page-hero__lead {
max-width: 70ch;
margin: 0;
font-size: 1.0625rem;
font-weight: 500;
line-height: 1.4;
}
/* Photo pulled up over the hero; flat, no shadow */
.page-figure {
margin: -9rem 0 4rem;
}
.page-figure img {
width: 100%;
border-radius: var(--radius-sm);
}
.page-figure figcaption {
margin-top: 0.75rem;
font-size: 0.8125rem;
color: var(--text-muted);
}
/* Prose
========================================================================== */
body {
.prose {
padding-bottom: 5rem;
overflow-wrap: anywhere;
}
body > * {
.prose--no-image {
padding-top: 4rem;
}
.prose > * {
max-width: 64rem;
}
/* Galaxy Blue headline on light background (D.3.4) */
body h2 {
.prose h2 {
margin: 3rem 0 1rem;
font-family: var(--font-head);
font-size: clamp(1.75rem, 3vw, 2.375rem);
@@ -148,26 +306,26 @@ body h2 {
color: var(--galaxy-blue);
}
body h2:first-child {
.prose h2:first-child {
margin-top: 0;
}
body p {
.prose p {
margin: 0 0 1.25rem;
font-size: 1.0625rem;
line-height: 1.6;
}
/* Text links: colour only at rest, underline on hover and focus */
body a:not(.btn):hover,
body a:not(.btn):focus-visible {
.prose a:not(.btn):hover,
.prose a:not(.btn):focus-visible {
text-decoration: underline;
text-underline-offset: 0.15em;
}
/* Cherenkov Blue fails contrast as text on white, so it is the accent bar */
body .highlight,
body blockquote {
.prose .highlight,
.prose blockquote {
margin: 2.5rem 0;
padding-left: 1.5rem;
font-size: 1.375rem;
@@ -177,6 +335,61 @@ body blockquote {
border-left: 4px solid var(--cherenkov-blue);
}
.prose blockquote p {
font-size: inherit;
line-height: inherit;
}
.prose h3,
.prose h4,
.prose h5,
.prose h6 {
font-family: var(--font-head);
color: var(--galaxy-blue);
}
.prose li {
margin-bottom: 0.5rem;
}
.prose img {
border-radius: var(--radius-sm);
}
.prose pre {
padding: 1rem;
overflow-x: auto;
background: var(--moon-gray);
}
.prose code {
overflow-wrap: normal;
}
.prose table {
display: block;
overflow-x: auto;
border-collapse: collapse;
}
.prose th,
.prose td {
padding: 0.75rem;
text-align: left;
border-bottom: 1px solid #ddd;
}
.prose hr {
margin: 2rem 0;
border: 0;
border-top: 1px solid #ddd;
}
/* Placeholder pages: empty body until their content exists */
.placeholder-body {
min-height: 12rem;
}
/* Buttons
========================================================================== */
@@ -217,16 +430,60 @@ body blockquote {
filter: brightness(1.1);
}
body { overflow-wrap: anywhere; }
body h3, body h4, body h5, body h6 { color: var(--galaxy-blue); font-family: var(--font-head); }
body li { margin-bottom: 0.5rem; }
body blockquote p { font-size: inherit; line-height: inherit; }
body pre { padding: 1rem; overflow-x: auto; background: var(--moon-gray); }
body code { overflow-wrap: normal; }
body table { display: block; overflow-x: auto; border-collapse: collapse; }
body th, body td { padding: 0.75rem; border-bottom: 1px solid #ddd; text-align: left; }
body hr { margin: 2rem 0; border: 0; border-top: 1px solid #ddd; }
body img { border-radius: var(--radius-sm); }
/* Responsive page
========================================================================== */
body { display: block; min-height: 0; max-width: 64rem; margin: 0 auto; padding: 1.5rem; }
h1 { color: var(--galaxy-blue); font-family: var(--font-head); font-weight: 500; line-height: 1.05; }
@media (max-width: 800px) {
/* Text spans the full width here, so keep at least 50% navy everywhere */
.page-hero {
--hero-veil: linear-gradient(
90deg,
rgba(0, 0, 74, 0.72) 0%,
rgba(0, 0, 74, 0.5) 100%
);
padding-bottom: 8rem;
border-bottom-right-radius: var(--radius-md);
}
.page-hero--compact {
padding-bottom: 4rem;
}
.page-figure {
margin-top: -6rem;
}
}
/* Preferences
========================================================================== */
/* Windows High Contrast: drop the decorative hero background behind system text */
@media (forced-colors: active) {
.page-hero {
background-image: none;
}
}
@media (prefers-reduced-motion: reduce) {
*,
*::before,
*::after {
animation: none !important;
transition: none !important;
}
}
/* Preview frame
========================================================================== */
/* There is no site header above the hero */
.page-hero {
margin-top: 0;
padding-top: 3rem;
}
/* Sveltia wraps the image preview in a paragraph */
.page-figure p {
margin: 0;
}
+29 -10
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@@ -1,13 +1,32 @@
// Derive editor body styles from the mockup CSS so the preview cannot drift.
// Derive editor preview styles from the site CSS so the preview cannot drift.
// The preview template in src/pages/admin/index.astro renders the same markup
// as the Example pages, so the page hero, figure and prose rules apply as-is.
import { readFileSync, writeFileSync } from 'node:fs';
const css = readFileSync(new URL('../src/styles/global.css', import.meta.url), 'utf8');
const base = css.slice(0, css.indexOf('/* Utilities'));
const prose = css.slice(css.indexOf('/* Prose'), css.indexOf('/* Footer'));
const markdown = css.slice(css.indexOf('.prose { overflow-wrap:'), css.indexOf('.submenu a[aria-current="page"]'));
const preview = (base + prose + markdown).replace(/\.prose\b/g, 'body');
const css = readFileSync(new URL('../src/styles/global.css', import.meta.url), 'utf8').replace(/\r\n/g, '\n');
const between = (start, end) => {
const from = css.indexOf(start);
const to = end ? css.indexOf(end, from) : css.length;
if (from < 0 || to < 0) throw new Error(`preview-styles: marker not found in global.css: ${from < 0 ? start : end}`);
return css.slice(from, to).trim();
};
const preview = [
between('/* ===', '/* Header'), // fonts, tokens, base, utilities
between('/* Page hero', '/* Footer'), // hero, figure, prose, buttons
between('/* Responsive page'), // responsive page, preferences
`/* Preview frame
========================================================================== */
/* There is no site header above the hero */
.page-hero {
margin-top: 0;
padding-top: 3rem;
}
/* Sveltia wraps the image preview in a paragraph */
.page-figure p {
margin: 0;
}`,
];
writeFileSync(new URL('../public/admin/preview.css', import.meta.url),
'/* Generated by scripts/preview-styles.mjs; edit src/styles/global.css. */\n' + preview + `
body { display: block; min-height: 0; max-width: 64rem; margin: 0 auto; padding: 1.5rem; }
h1 { color: var(--galaxy-blue); font-family: var(--font-head); font-weight: 500; line-height: 1.05; }
`);
'/* Generated by scripts/preview-styles.mjs; edit src/styles/global.css. */\n\n' + preview.join('\n\n') + '\n');
+41
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@@ -5,6 +5,9 @@
// deliberate — see README); note the bundle still fetches its own UI fonts
// from jsDelivr at runtime. Kept is:inline so Astro doesn't process/bundle it.
// CTAO branding on the sign-in screen comes from the documented `logo` option.
import examples from '../../data/examples.json';
const previewNames = examples.map(({ slug }) => slug);
---
<!doctype html>
<html lang="en">
@@ -32,5 +35,43 @@
// Generated from the site's CSS; see scripts/preview-styles.mjs.
window.CMS?.registerPreviewStyle?.('/admin/preview.css');
</script>
<script define:vars={{ previewNames }}>
// Preview pane: the same markup as src/pages/example/[slug].astro and
// PageHero.astro, without field labels. Sveltia looks templates up by
// file name for file collections, so register one per Example page.
const { h, rf } = window;
const PagePreview = ({ entry, widgetFor }) => {
const get = (key) => entry.getIn(['data', key]);
const title = get('title') || '';
const introduction = get('introduction');
const image = get('image');
const imageCaption = get('imageCaption');
const buttonLabel = get('buttonLabel');
const buttonUrl = get('buttonUrl');
return h(rf, null,
h('section', { className: image ? 'page-hero' : 'page-hero page-hero--compact' },
h('div', { className: 'container' },
h('nav', { className: 'breadcrumb', 'aria-label': 'Breadcrumb' },
h('ol', null,
h('li', null, h('a', { href: '/' }, 'Home')),
h('li', null, 'Example'),
h('li', { 'aria-current': 'page' }, title))),
h('h1', { className: 'page-hero__title' }, title),
introduction && h('p', { className: 'page-hero__lead' }, introduction))),
image && h('div', { className: 'container' },
h('figure', { className: 'page-figure' },
widgetFor('image'),
imageCaption && h('figcaption', null, imageCaption))),
h('article', { className: image ? 'container prose' : 'container prose prose--no-image' },
widgetFor('body'),
buttonLabel && buttonUrl && h('p', null,
h('a', { className: 'btn btn--primary', href: buttonUrl },
h('span', { className: 'btn__label' }, buttonLabel),
h('span', { className: 'arrow', 'aria-hidden': 'true' }, '→')))));
};
if (window.CMS?.registerPreviewTemplate && h) {
for (const name of previewNames) window.CMS.registerPreviewTemplate(name, PagePreview);
}
</script>
</body>
</html>
+110 -24
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@@ -1,6 +1,8 @@
/* ==========================================================================
CTAO Science Portal: content page mockup
Colours and type follow the CTAO Brand Guidelines (April 2024).
The editor preview (public/admin/preview.css) is generated from the
hero, prose and button sections below by scripts/preview-styles.mjs.
========================================================================== */
/* Fonts
@@ -284,6 +286,19 @@ button:hover .arrow {
color: var(--cherenkov-blue);
}
.submenu a[aria-current="page"] {
color: var(--cherenkov-blue);
}
/* Languages without a translation yet */
.submenu__unavailable {
display: block;
padding: 0.5rem 0.75rem;
font-size: 0.9375rem;
color: #b3b3c9;
cursor: default;
}
/* Main nav
========================================================================== */
@@ -321,6 +336,10 @@ button:hover .arrow {
text-decoration: none;
}
.site-nav__link[aria-current="page"] {
color: var(--cherenkov-blue);
}
.site-nav__label {
position: relative;
}
@@ -445,6 +464,7 @@ button:hover .arrow {
.search-panel__input {
flex: 1;
min-width: 0;
padding: 0.75rem 0;
font: inherit;
font-size: clamp(1.25rem, 3vw, 2rem);
@@ -454,6 +474,11 @@ button:hover .arrow {
outline: none;
}
.search-panel__input:focus-visible {
outline: 2px solid var(--cherenkov-blue);
outline-offset: 4px;
}
.search-panel__input::placeholder {
color: rgba(255, 255, 255, 0.5);
}
@@ -572,7 +597,9 @@ button:hover .arrow {
}
}
/* Page hero ========================================================================== */
/* Page hero
========================================================================== */
.page-hero {
--hero-veil: linear-gradient(
90deg,
@@ -592,6 +619,11 @@ button:hover .arrow {
border-bottom-right-radius: var(--radius-lg);
}
/* Pages without a photo: no room needed for the figure to overlap */
.page-hero--compact {
padding-bottom: 4rem;
}
.breadcrumb ol {
display: flex;
flex-wrap: wrap;
@@ -631,6 +663,7 @@ button:hover .arrow {
line-height: 1.05;
letter-spacing: -0.02em;
text-wrap: balance;
overflow-wrap: anywhere;
}
.page-hero__lead {
@@ -662,6 +695,11 @@ button:hover .arrow {
.prose {
padding-bottom: 5rem;
overflow-wrap: anywhere;
}
.prose--no-image {
padding-top: 4rem;
}
.prose > * {
@@ -708,6 +746,61 @@ button:hover .arrow {
border-left: 4px solid var(--cherenkov-blue);
}
.prose blockquote p {
font-size: inherit;
line-height: inherit;
}
.prose h3,
.prose h4,
.prose h5,
.prose h6 {
font-family: var(--font-head);
color: var(--galaxy-blue);
}
.prose li {
margin-bottom: 0.5rem;
}
.prose img {
border-radius: var(--radius-sm);
}
.prose pre {
padding: 1rem;
overflow-x: auto;
background: var(--moon-gray);
}
.prose code {
overflow-wrap: normal;
}
.prose table {
display: block;
overflow-x: auto;
border-collapse: collapse;
}
.prose th,
.prose td {
padding: 0.75rem;
text-align: left;
border-bottom: 1px solid #ddd;
}
.prose hr {
margin: 2rem 0;
border: 0;
border-top: 1px solid #ddd;
}
/* Placeholder pages: empty body until their content exists */
.placeholder-body {
min-height: 12rem;
}
/* Buttons
========================================================================== */
@@ -751,6 +844,18 @@ button:hover .arrow {
/* Footer
========================================================================== */
/* Keep the footer at the bottom of short pages */
body {
display: flex;
flex-direction: column;
min-height: 100vh;
}
main {
flex: 1;
min-width: 0;
}
.site-footer {
margin-top: 2rem;
padding: 3rem 0;
@@ -807,6 +912,10 @@ button:hover .arrow {
border-bottom-right-radius: var(--radius-md);
}
.page-hero--compact {
padding-bottom: 4rem;
}
.page-figure {
margin-top: -6rem;
}
@@ -830,26 +939,3 @@ button:hover .arrow {
transition: none !important;
}
}
/* Page variants and Markdown elements. Preview styles derive from this file. */
body { min-height: 100vh; display: flex; flex-direction: column; }
main { flex: 1; min-width: 0; }
.page-hero--compact { padding-bottom: 4rem; }
.placeholder-body { min-height: 12rem; }
.prose--no-image { padding-top: 4rem; }
.prose { overflow-wrap: anywhere; }
.prose h3, .prose h4, .prose h5, .prose h6 { color: var(--galaxy-blue); font-family: var(--font-head); }
.prose li { margin-bottom: 0.5rem; }
.prose blockquote p { font-size: inherit; line-height: inherit; }
.prose pre { padding: 1rem; overflow-x: auto; background: var(--moon-gray); }
.prose code { overflow-wrap: normal; }
.prose table { display: block; overflow-x: auto; border-collapse: collapse; }
.prose th, .prose td { padding: 0.75rem; border-bottom: 1px solid #ddd; text-align: left; }
.prose hr { margin: 2rem 0; border: 0; border-top: 1px solid #ddd; }
.prose img { border-radius: var(--radius-sm); }
.submenu a[aria-current="page"], .site-nav__link[aria-current="page"] { color: var(--cherenkov-blue); }
.submenu__unavailable { display: block; padding: 0.5rem 0.75rem; font-size: 0.9375rem; color: #b3b3c9; cursor: default; }
.search-panel__input { min-width: 0; }
.search-panel__input:focus-visible { outline: 2px solid var(--cherenkov-blue); outline-offset: 4px; }
.page-hero__title { overflow-wrap: anywhere; }