390 lines
12 KiB
CSS
390 lines
12 KiB
CSS
/* Design tokens: one place for colours, spacing, radius, shadow and type. Every
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component pulls from these variables (var(--...)), so the whole site shares one
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look and a change here ripples everywhere. Palette follows the school's own
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colours (IGMH): its blue for the header, links and headings, its green as the
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accent. No external anything -- just CSS custom properties. */
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:root {
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/* Brand blue and two derived shades (darker for hover, lighter for tints). This
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is the IGMH blue (#328fc6) darkened so it stays legible as link/heading text
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on white; the header keeps the brighter original via --color-header below. */
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--color-brand: #2b6f9c;
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--color-brand-dark: #1f5477;
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--color-brand-tint: #eaf3f9;
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/* The header bar's background: the IGMH blue at full strength. Its own token
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(not --color-brand) both because it only ever carries white text (so it needs
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no darkening) and because it must stay a deep blue in dark mode, where
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--color-brand is lightened for text/links. */
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--color-header: #328fc6;
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/* Accent for highlights (active nav, event dates, call-outs): the IGMH green.
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The -dark shade is darkened enough to keep small text and the FAQ marker
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legible on a white card. */
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--color-accent: #6db863;
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--color-accent-dark: #4f9247;
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/* Headings. Its own token (not --color-brand) so headings and links can differ:
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in dark mode headings become a soft white while links keep the brand blue. */
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--color-heading: #2b6f9c;
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/* Text and surfaces. */
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--color-text: #222;
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--color-text-soft: #555;
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--color-bg: #fff; /* cards / content surface */
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--color-page: #f4f6f4; /* near-neutral page background with a faint cool
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tint, so white cards lift off it without the old
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warm beige clashing with the cool blue */
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--color-surface: #fafafa;
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--color-border: #e0e0e0;
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/* Spacing scale -- use these instead of ad-hoc rem values so gaps stay even. */
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--space-1: 0.25rem;
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--space-2: 0.5rem;
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--space-3: 1rem;
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--space-4: 1.5rem;
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--space-5: 2rem;
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--space-6: 3rem;
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/* Rounded corners and a soft shadow for cards, matching the friendly tone. */
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--radius: 12px;
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--radius-sm: 6px;
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--shadow: 0 1px 3px rgba(31, 58, 95, 0.08), 0 4px 12px rgba(31, 58, 95, 0.06);
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--shadow-hover: 0 2px 6px rgba(31, 58, 95, 0.12), 0 8px 20px rgba(31, 58, 95, 0.1);
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/* One transition speed for hovers/focus across the site. */
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--transition: 0.15s ease;
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/* Reading width, so long text lines never get uncomfortably wide. */
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--content-width: 60rem;
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}
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/* Dark mode: follows the visitor's OS setting automatically (prefers-color-scheme).
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No toggle and no JavaScript -- the browser applies this when the operating system
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is set to dark. Only the colour tokens change; layout, spacing, radius and type
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stay put, so the whole site adapts from this one block. Choices: a deep blue-grey
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rather than pure black; cards a touch lighter than the page so they still lift off
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it; the accent nudged brighter so it doesn't glare; shadows darkened since soft
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light shadows are invisible on a dark background. The header keeps its deep blue. */
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@media (prefers-color-scheme: dark) {
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:root {
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--color-brand: #7cc0ec; /* the IGMH blue lightened: headings/links need
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to stay bright enough to read on the dark
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page background, not just on the card */
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--color-brand-dark: #a3d5f4; /* hover goes lighter, not darker, on dark */
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--color-brand-tint: #223038;
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--color-header: #266f9c; /* the IGMH blue eased down, to sit calmly on dark */
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--color-accent: #86c97d; /* the IGMH green nudged brighter for dark */
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--color-accent-dark: #86c97d; /* no darkening needed on a dark surface */
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--color-heading: #c9ced6; /* soft white, kept a step brighter than the
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body text so headings still lead the page */
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--color-text: #a2a8b2; /* eased right down to the soft tone -- full
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near-white reads as glare on the dark page */
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--color-text-soft: #a2a8b2;
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--color-bg: #222834; /* cards / content surface */
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--color-page: #171b22; /* page background, darker than the cards */
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--color-surface: #1c212a;
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--color-border: #333b47;
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--shadow: 0 1px 3px rgba(0, 0, 0, 0.4), 0 4px 12px rgba(0, 0, 0, 0.3);
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--shadow-hover: 0 2px 6px rgba(0, 0, 0, 0.5), 0 8px 20px rgba(0, 0, 0, 0.4);
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}
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}
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/* Base styles. Self-hosted system font stack — no external fonts, for privacy. */
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html {
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font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
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line-height: 1.65;
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color: var(--color-text);
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/* Tell the browser we support both schemes, so form controls, scrollbars and
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the native <details> marker follow the OS setting instead of staying light. */
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color-scheme: light dark;
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/* Smooth-scroll for in-page anchors, with room so headings clear the sticky
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header instead of hiding under it. */
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scroll-padding-top: 5rem;
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}
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body {
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margin: 0;
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/* A soft tinted page background so white cards/content lift off it. */
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background: var(--color-page);
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color: var(--color-text);
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}
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a {
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color: var(--color-brand);
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text-underline-offset: 2px;
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transition: color var(--transition);
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}
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a:hover {
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color: var(--color-brand-dark);
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}
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/* Headings: clear hierarchy and a touch more air above them than below, so
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sections read as groups. */
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h1, h2, h3, h4 {
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line-height: 1.25;
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color: var(--color-heading);
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margin: var(--space-5) 0 var(--space-3);
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}
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h1 {
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font-size: 1.5rem;
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margin-top: 0; /* the first heading on a page needs no gap above */
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}
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h2 {
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font-size: 1.2rem;
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}
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h3 {
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font-size: 1.05rem;
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}
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/* h4 gets its own size so it stays a step below h3 instead of falling back to the
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browser default, which can render as large as (or larger than) a small h3. */
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h4 {
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font-size: 0.95rem;
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}
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/* Comfortable paragraph rhythm and a capped line length for readability. */
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p {
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margin: 0 0 var(--space-3);
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max-width: 42rem;
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}
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h1:focus {
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outline: none;
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}
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/* Header navigation links. These live here (global), not in MainLayout.razor.css:
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NavLink renders plain <a> elements without a scoped-CSS attribute, so a scoped
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".main-nav a" rule would not match them -- the links would fall back to the
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global link colour (dark blue) and become unreadable on the blue header bar. */
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.main-nav a {
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color: rgba(255, 255, 255, 0.85);
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text-decoration: none;
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padding: var(--space-1) 0;
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border-bottom: 2px solid transparent;
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transition: color var(--transition), border-color var(--transition);
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}
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.main-nav a:hover {
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color: #fff;
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}
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/* NavLink adds .active to the current route's link; a warm accent underline marks
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where the visitor is on the blue bar. */
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.main-nav a.active {
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color: #fff;
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border-bottom-color: var(--color-accent);
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}
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/* Mobile: stacked links inside the collapsed menu get row separators. Same global
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placement, same NavLink reason as above. Scoped to the narrow layout via the
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media query so it does not affect the desktop row. */
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@media (max-width: 40rem) {
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.main-nav a {
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padding: 0.6rem 0;
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border-bottom: 1px solid rgba(255, 255, 255, 0.15);
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}
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.main-nav a.active {
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border-bottom-color: rgba(255, 255, 255, 0.15);
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}
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}
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/* --- Shared card styles for content lists --------------------------------------
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Posts, events and FAQs appear both on their own page (PostList/EventList/
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FaqList) AND embedded on the home page (the *Embed components), with the same
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class names. These rules live here (global) so both places share one look
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instead of duplicating the CSS per component. The card look: a white surface
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lifted off the tinted page background with a soft shadow and a gentle hover. */
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.post-list,
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.event-list,
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.faq-topic-list {
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list-style: none;
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padding: 0;
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margin: 0;
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display: grid;
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gap: var(--space-3);
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}
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.post-list li,
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.event-list li,
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.faq-topic-list li {
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background: var(--color-bg);
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border-radius: var(--radius);
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box-shadow: var(--shadow);
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padding: var(--space-3) var(--space-4);
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transition: box-shadow var(--transition), transform var(--transition);
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}
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.post-list li:hover,
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.event-list li:hover,
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.faq-topic-list li:hover {
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box-shadow: var(--shadow-hover);
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transform: translateY(-2px);
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}
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/* FAQ topics: each card is a link to the topic's own page, with an optional intro
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below the heading. The heading matches the post/event card titles. */
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.faq-topic-list h2 {
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margin: 0;
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font-size: 1.15rem;
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}
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.faq-topic-list h2 a {
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text-decoration: none;
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}
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.faq-topic-intro {
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margin-top: var(--space-2);
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color: var(--color-text-soft);
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}
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/* Posts */
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.post-list a {
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font-size: 1.15rem;
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font-weight: 600;
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text-decoration: none;
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}
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/* The date's look (small, softened) comes from PostDate.razor.css. Here only the
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list-specific spacing: nudge the date down from the post's title link above. */
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.post-list time {
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margin-top: var(--space-1);
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}
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/* Events: the date leads in the warm accent colour. */
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.event-list time {
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display: block;
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color: var(--color-accent-dark);
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font-weight: 600;
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font-size: 0.9rem;
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}
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.event-title {
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display: block;
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margin-top: var(--space-1);
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font-size: 1.15rem;
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font-weight: 600;
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color: var(--color-brand);
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}
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.event-location::before {
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content: " · ";
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color: var(--color-text-soft);
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}
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.event-location {
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color: var(--color-text-soft);
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}
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.event-note {
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margin: var(--space-2) 0 0;
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color: var(--color-text);
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}
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/* Past events (only on the full events page): same cards, quieter and flat. */
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.event-list-past li {
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box-shadow: none;
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border: 1px solid var(--color-border);
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background: var(--color-surface);
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}
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.event-list-past li:hover {
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transform: none;
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box-shadow: none;
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}
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.event-list-past time {
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color: var(--color-text-soft);
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font-weight: 400;
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}
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.event-list-past .event-title {
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font-weight: 400;
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color: var(--color-text-soft);
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}
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/* FAQ: each question is an expandable card with an accent +/– marker. */
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.faq-item {
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background: var(--color-bg);
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border-radius: var(--radius);
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box-shadow: var(--shadow);
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padding: var(--space-3) var(--space-4);
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margin-bottom: var(--space-3);
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transition: box-shadow var(--transition);
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}
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.faq-item:hover {
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box-shadow: var(--shadow-hover);
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}
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.faq-item summary {
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cursor: pointer;
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font-weight: 600;
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color: var(--color-brand);
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list-style: none;
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display: flex;
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align-items: baseline;
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gap: var(--space-2);
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}
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.faq-item summary::-webkit-details-marker {
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display: none;
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}
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.faq-item summary::before {
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content: "+";
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color: var(--color-accent-dark);
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font-weight: 700;
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font-size: 1.2rem;
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line-height: 1;
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}
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.faq-item[open] summary::before {
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content: "–";
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}
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.faq-answer {
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padding-top: var(--space-2);
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color: var(--color-text);
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}
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/* "Alle Beiträge/Termine/Fragen →" links below an embedded list on the home page.
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Set apart from the cards with extra space above, and styled as a distinct call
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to action in the accent colour rather than looking like body text. The arrow
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nudges right on hover for a subtle bit of life. */
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.embed-more {
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margin-top: var(--space-4);
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max-width: none; /* override the global paragraph reading cap */
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}
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.embed-more a {
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display: inline-flex;
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align-items: center;
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gap: var(--space-2);
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font-weight: 600;
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color: var(--color-accent-dark);
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text-decoration: none;
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}
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.embed-more a:hover {
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color: var(--color-brand);
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}
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.embed-more a span {
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transition: transform var(--transition);
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}
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.embed-more a:hover span {
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transform: translateX(3px);
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}
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