brust/example/docs/app.css at main · AssetsArt/brust · GitHub

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/* brust docs site — Tailwind v4 + DESIGN.md tokens.
   Dark is the :root DEFAULT (no data-theme attribute required); light is
   opt-in via <html data-theme="light">. See DESIGN.md for the full table. */

@import "tailwindcss";
@source "./**/*.{tsx,ts}";

/* ── Self-hosted fonts (public/fonts, latin subset; @fontsource woff2) ────
   font-display: swap + the system stacks in the --font-* tokens below keep
   text readable before the swap. URLs are root-absolute: public/ is
   root-mapped by the server and copied into the SSG static root. */

@font-face {
  font-family: "Schibsted Grotesk";
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url("/fonts/schibsted-grotesk-latin-400-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304,
    U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Schibsted Grotesk";
  font-style: italic;
  font-display: swap;
  font-weight: 400;
  src: url("/fonts/schibsted-grotesk-latin-400-italic.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304,
    U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Schibsted Grotesk";
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src: url("/fonts/schibsted-grotesk-latin-500-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304,
    U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Schibsted Grotesk";
  font-style: italic;
  font-display: swap;
  font-weight: 500;
  src: url("/fonts/schibsted-grotesk-latin-500-italic.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304,
    U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Schibsted Grotesk";
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src: url("/fonts/schibsted-grotesk-latin-700-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304,
    U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Schibsted Grotesk";
  font-style: italic;
  font-display: swap;
  font-weight: 700;
  src: url("/fonts/schibsted-grotesk-latin-700-italic.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304,
    U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Spline Sans Mono";
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url("/fonts/spline-sans-mono-latin-400-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304,
    U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Spline Sans Mono";
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src: url("/fonts/spline-sans-mono-latin-600-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304,
    U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ── Runtime semantic tokens (theme-flipped) ──────────────────────────── */

:root {
  /* dark default — near-black warm ink #201712 oklch(0.18 0.014 42) */
  --bg: oklch(0.18 0.014 42);
  --surface: oklch(0.22 0.018 42);
  --fg: oklch(0.935 0.021 68); /* cream #F6E9D6 */
  --fg-muted: oklch(0.75 0.03 68);
  --line: oklch(0.30 0.02 42);
  --link: oklch(0.76 0.17 76); /* amber #F59E0B */
  /* rust #C2410C solid CTA */
  --accent: oklch(0.53 0.20 40);
  --accent-fg: oklch(0.985 0.002 68);

  /* z-index scale — nothing else gets a z-index */
  --z-nav: 10;
  --z-palette-backdrop: 40;
  --z-palette: 50;
  --z-preloader: 60; /* SPA-nav progress bar — a 2px line over everything */

  /* motion */
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);

  color-scheme: dark;
}

[data-theme="light"] {
  /* Bun theme cream #F6E9D6 background */
  --bg: oklch(0.935 0.021 68);
  --surface: oklch(0.90 0.03 68);
  --fg: oklch(0.18 0.014 42); /* ink #201712 */
  --fg-muted: oklch(0.42 0.03 45);
  --line: oklch(0.82 0.04 68);
  --link: oklch(0.48 0.18 38); /* darker rust to pass 4.5:1 contrast against cream */

  color-scheme: light;
}

/* ── Tailwind theme ───────────────────────────────────────────────────── */

@theme inline {
  --color-bg: var(--bg);
  --color-surface: var(--surface);
  --color-fg: var(--fg);
  --color-fg-muted: var(--fg-muted);
  --color-line: var(--line);
  --color-link: var(--link);
  --color-accent: var(--accent);
  --color-accent-fg: var(--accent-fg);
}

@theme {
  /* brand warm palette (static; theme-independent references) */
  --color-brand-300: oklch(0.76 0.17 76); /* #F59E0B amber */
  --color-brand-500: oklch(0.61 0.22 42); /* #EA580C ember */
  --color-brand-700: oklch(0.48 0.18 38); /* dark rust */

  /* type — Schibsted Grotesk / Spline Sans Mono self-hosted (public/fonts,
     @font-face above); the system stacks cover pre-swap + missing glyphs */
  --font-sans: "Schibsted Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "Spline Sans Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* 1.25-ratio scale from 1rem body */
  --text-sm: 0.8rem;
  --text-base: 1rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5625rem;
  --text-2xl: 1.953rem;
  --text-3xl: 2.441rem;
  --text-4xl: 3.052rem;
  --text-hero: clamp(2.75rem, 1rem + 6vw, 5.5rem); /* max ≤ 5.5rem (binding) */
  --text-hero--line-height: 1.05;

  /* radius — 12px is the MAXIMUM */
  --radius-card: 12px;
  --radius-control: 8px;
  --radius-chip: 6px;
}

/* ── Base ─────────────────────────────────────────────────────────────── */

html {
  background-color: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  text-wrap: balance;
  letter-spacing: -0.02em; /* applied: −0.02em (constraint: no tighter than −0.03em) */
}

button {
  cursor: pointer;
}

/* motion policy: grainient owns the page-load moment; everything else
   ≤ 200ms ease-out-quart. Reduced motion → instant (grainient renders one
   frame via its own matchMedia check in the behavior). */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── Docs sidebar active item ─────────────────────────────────────────────
   Keyed on [aria-current="page"], NOT baked utility classes: the sidebar is
   outside <main>, so SPA navigation can't re-render it — the runtime
   active-nav reconciler moves aria-current between links instead
   ([data-brust-active-nav] on the nav opts in). Unlayered rule deliberately
   outbids the Tailwind hover utility on the same links. */

nav[data-brust-active-nav] a[aria-current="page"] {
  background: var(--surface);
  color: var(--link);
  font-weight: 500;
}

/* ── Theme toggle icon swap ───────────────────────────────────────────────
   Pure CSS off html[data-theme] so the correct icon shows before the
   behavior mounts (the FOUC head script stamps the attribute pre-paint).
   Sun shows in dark ("switch to light"), Moon in light. */

[data-theme="light"] .theme-icon-dark {
  display: none;
}

html:not([data-theme="light"]) .theme-icon-light {
  display: none;
}

/* ── Search palette (the ONE React island, components/SearchPalette.tsx) ──
   The island hydrates on idle with NO ssr markup, so the header slot must
   own the trigger's box: fixed size here, button fills it (display:contents
   collapses the data-brust-island host div). */

.search-slot {
  display: inline-flex;
  width: 9rem;
  height: 2.5rem; /* hit area ≥ 40px */
}

.search-slot [data-brust-island] {
  display: contents;
}

/* <dialog> sits in the top layer (no stacking-context fights), but the
   z tokens are the binding scale — applied for uniformity. */
dialog.search-palette {
  z-index: var(--z-palette);
  width: min(34rem, calc(100vw - 2rem));
  margin: 10vh auto auto;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-card); /* ≤ 12px (binding max) */
  background: var(--bg);
  color: var(--fg);
}

dialog.search-palette::backdrop {
  z-index: var(--z-palette-backdrop);
  background: rgb(32 23 18 / 0.55); /* ink tone overlay */
}

/* open moment: ≤200ms ease-out-quart; the global reduced-motion rule above
   flattens this to one frame (opens without transition). */
dialog.search-palette[open] {
  animation: palette-in 160ms var(--ease-out-quart);
}

@keyframes palette-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
}

/* ── Home hero: grainient canvas + glass pill (the ONE glass use) ─────── */

/* WebGL2 canvas host — fills the relative hero section behind the copy */
.grainient {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
}

/* WebGL2 unavailable → the behavior adds this to the canvas's PARENT:
   a static gradient in the same trio (#1bcf96 / #27aeff / #08050b). */
.grainient-fallback {
  background:
    radial-gradient(110% 80% at 85% 8%, rgb(245 158 11 / 0.22), transparent 60%),
    radial-gradient(120% 90% at 12% 88%, rgb(234 88 12 / 0.22), transparent 62%),
    #201712;
}

/* contrast scrim between the animated field and the hero copy (binding
   >=4.5:1 — the field can swing bright amber/ember behind the text) */
.hero-scrim {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgb(32 23 18 / 0.55),
    rgb(32 23 18 / 0.55) 45%,
    rgb(32 23 18 / 0.72)
  );
}

.glass-pill {
  background: rgb(8 5 11 / 0.5);
  border: 1px solid rgb(255 255 255 / 0.14);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
}

/* ── Home unified-store diagram: connector lines + traveling pulses ──────
   Pure CSS/SVG, no JS animation loop: a hairline base line plus a dashed
   brand-green overlay whose dashoffset loops one full dash period
   (14 + 110 = 124px), so the motion is seamless at ANY line length without
   pathLength math. `.connector-rev` reverses travel so both connectors flow
   INTO the store node. Reduced motion: the pulse stroke is removed entirely
   and the static hairline stays (the global 0.01ms rule alone would freeze
   a dash mid-line, which reads as a broken line). */

.connector-base {
  stroke: var(--line);
  stroke-width: 2px;
}

.connector-pulse {
  stroke: var(--link);
  stroke-width: 2px;
  stroke-linecap: round;
  stroke-dasharray: 14 110;
  animation: connector-travel 2.8s linear infinite;
}

.connector-rev {
  animation-direction: reverse;
}

@keyframes connector-travel {
  to {
    stroke-dashoffset: -124;
  }
}

@media (prefers-reduced-motion: reduce) {
  .connector-pulse {
    display: none;
  }
}

/* polylines (the md+ elbowed traces) would otherwise fill black; round
   joins keep the elbows in the same language as the round dash caps */
.connector-base,
.connector-pulse {
  fill: none;
  stroke-linejoin: round;
}

/* the center "one store" node — tinted hairline treatment (callout family) */
.unified-node {
  border: 1px solid color-mix(in oklch, var(--link) 45%, var(--line));
  background: color-mix(in oklch, var(--link) 8%, var(--bg));
  border-radius: var(--radius-card);
}

/* ── Home chip dressing: pin strips around the store node ─────────────────
   Pure CSS decoration (next's "Powered By" chip): ::before/::after are the
   left/right pin rows (where the circuit traces land), the two .chip-pins-x
   spans are top/bottom. Hairline --line color — theme-flips with the rest. */

.chip-frame {
  position: relative;
  display: inline-block;
}

.chip-frame::before,
.chip-frame::after {
  content: "";
  position: absolute;
  top: 50%;
  translate: 0 -50%;
  width: 9px;
  height: 64%;
  background: repeating-linear-gradient(to bottom, var(--line) 0 5px, transparent 5px 13px);
}

.chip-frame::before {
  left: -9px;
}

.chip-frame::after {
  right: -9px;
}

.chip-pins-x {
  position: absolute;
  left: 50%;
  translate: -50% 0;
  height: 9px;
  width: 56%;
  background: repeating-linear-gradient(to right, var(--line) 0 5px, transparent 5px 13px);
}

/* ── Home blueprint guides (dashed hairline guides, sections below
   the hero only): faint dashed hairlines in --line + small circle marks at
   the fold/guide intersections. Decorative — md+ only, very low contrast. */

.home-fold {
  border-top: 1px dashed color-mix(in oklch, var(--line) 70%, transparent);
}

.guide-mark {
  display: none;
  position: absolute;
  top: -4.5px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--bg);
}

.guide-mark-l {
  left: -4.5px;
}

.guide-mark-r {
  right: -4.5px;
}

@media (min-width: 768px) {
  .home-guides {
    border-inline: 1px dashed color-mix(in oklch, var(--line) 70%, transparent);
  }

  .guide-mark {
    display: block;
  }
}

/* ── Home bento highlight card — stays DARK in both themes (next's dark
   release card). Brand-green tinted field + hairline; explicit light text
   lives in the markup (text-white/75 ≥ 4.5:1 on this field). */

.bento-highlight {
  background:
    radial-gradient(120% 110% at 85% -10%, rgb(234 88 12 / 0.15), transparent 55%),
    #261c16;
  border: 1px solid rgb(245 158 11 / 0.3);
}

.bento-highlight:hover {
  border-color: rgb(245 158 11 / 0.55);
}

/* ── Markdown prose ([data-brust-md-slot] is the md page wrapper) ─────── */

[data-brust-md-slot] {
  max-width: 72ch;
  font-size: var(--text-base);
  line-height: 1.65;
}

[data-brust-md-slot] p,
[data-brust-md-slot] ul,
[data-brust-md-slot] ol {
  text-wrap: pretty;
  margin-block: 1.25rem;
}

[data-brust-md-slot] h1 {
  font-size: var(--text-3xl);
  font-weight: 700;
  margin-block: 0 1.5rem;
}

[data-brust-md-slot] h2 {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-block: 2.5rem 1rem;
}

[data-brust-md-slot] h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-block: 2rem 0.75rem;
}

[data-brust-md-slot] a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: color-mix(in oklch, var(--link) 45%, transparent);
  transition: text-decoration-color 150ms var(--ease-out-quart);
}

[data-brust-md-slot] a:hover {
  text-decoration-color: var(--link);
}

[data-brust-md-slot] ul {
  list-style: disc;
  padding-inline-start: 1.5rem;
}

[data-brust-md-slot] ol {
  list-style: decimal;
  padding-inline-start: 1.5rem;
}

[data-brust-md-slot] li {
  margin-block: 0.375rem;
}

[data-brust-md-slot] code {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

/* inline code only (shiki fences carry their own background) */
[data-brust-md-slot] :not(pre) > code {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-chip);
  padding: 0.125rem 0.375rem;
}

[data-brust-md-slot] hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin-block: 2.5rem;
}

/* ── GFM tables: hairline borders, surface header, no zebra ───────────── */

[data-brust-md-slot] table {
  width: 100%;
  border-collapse: collapse;
  margin-block: 1.5rem;
  font-size: var(--text-sm);
  line-height: 1.5;
}

[data-brust-md-slot] th,
[data-brust-md-slot] td {
  border: 1px solid var(--line);
  padding: 0.5rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

[data-brust-md-slot] thead th {
  background: var(--surface);
  font-weight: 600;
}

/* ── Callouts: background tint + FULL hairline border (no side-stripes) ── */

[data-brust-md-slot] blockquote,
.callout {
  background: color-mix(in oklch, var(--link) 7%, var(--bg));
  border: 1px solid color-mix(in oklch, var(--link) 30%, var(--line));
  border-radius: var(--radius-card);
  padding: 0.875rem 1.25rem;
  margin-block: 1.5rem;
}

[data-brust-md-slot] blockquote > p:first-child {
  margin-block-start: 0;
}

[data-brust-md-slot] blockquote > p:last-child {
  margin-block-end: 0;
}

/* ── shiki code fences (dual CSS-variables themes) ────────────────────────
   render.ts highlights with `themes: { light: 'github-light', dark:
   'github-dark' }` — shiki emits the LIGHT colors as inline style and the
   dark pair as --shiki-dark/--shiki-dark-bg vars per element. Dark is the
   site default, so the dark vars apply whenever <html> is NOT explicitly
   data-theme="light" (the attribute may be absent entirely on first paint);
   light mode simply lets shiki's inline light colors stand. */

.shiki {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 1rem 1.25rem;
  margin-block: 1.5rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.6;
}

html:not([data-theme="light"]) .shiki,
html:not([data-theme="light"]) .shiki span {
  color: var(--shiki-dark) !important;
  background-color: var(--shiki-dark-bg) !important;
  font-style: var(--shiki-dark-font-style) !important;
  font-weight: var(--shiki-dark-font-weight) !important;
  text-decoration: var(--shiki-dark-text-decoration) !important;
}

/* plain (non-shiki / shiki-missing) fences still get a readable block */
[data-brust-md-slot] pre:not(.shiki) {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 1rem 1.25rem;
  margin-block: 1.5rem;
  overflow-x: auto;
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* ── Page transitions (View Transitions API) ─────────────────────────────
   Enabled by data-brust-view-transitions on <html> (set in the BrustPage
   shells). The framework wraps the SPA <main> swap in startViewTransition.

   The fade is scoped to the CONTENT region only: <main id="content"> gets its
   own view-transition-name so it is lifted out of the `root` snapshot. The
   chrome (sticky header, sidebar) stays in `root`, which we DON'T animate — so
   nothing outside the article moves. The content fade is opacity-only (no
   translate) and the group morph is disabled, so changing page heights never
   shift the layout up or down. */
main#content {
  view-transition-name: brust-content;
}
@media (prefers-reduced-motion: no-preference) {
  /* In-place crossfade of the content only — no size/position morph (group
     animation off) so a taller/shorter page can't slide the view. */
  ::view-transition-group(brust-content) {
    animation: none;
  }
  ::view-transition-old(brust-content) {
    animation: brust-fade-out 140ms ease both;
  }
  ::view-transition-new(brust-content) {
    animation: brust-fade-in 180ms ease both;
  }
  /* The unchanged chrome must not cross-fade (that whole-page fade is what
     made the site appear to jump). */
  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation: none;
  }
  @keyframes brust-fade-out {
    to {
      opacity: 0;
    }
  }
  @keyframes brust-fade-in {
    from {
      opacity: 0;
    }
  }
}
/* The JS gate calls startViewTransition regardless of motion preference, so
   without this the browser would still play its default snapshot animations
   for reduced-motion users. Kill them all → instant swap. */
@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(brust-content),
  ::view-transition-old(brust-content),
  ::view-transition-new(brust-content),
  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation: none;
  }
}