17889df220
Light: #012851 (brand-navy, 14:1 on white) Dark: #a1dcd8 (brand-mint, 9.2:1 on canvas) - @theme inline mapping → Tailwind ring-focus-ring utility - Global :focus-visible fallback in @layer base - forced-colors fallback for Windows High Contrast mode Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
261 lines
7.7 KiB
CSS
261 lines
7.7 KiB
CSS
/* ─── 1. Fonts & Tailwind ──────────────────────────────────────────────────── */
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/* Tinos = Times substitute | Montserrat = Gotham substitute (De Gruyter Brill CI) */
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@import url('https://fonts.googleapis.com/css2?family=Tinos:ital,wght@0,400;0,700;1,400;1,700&family=Montserrat:wght@400;500;600;700&display=swap');
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@import 'tailwindcss';
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/* ─── 2. Raw palette — never used directly in components ──────────────────── */
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@theme {
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/* Brand palette constants */
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--palette-navy: #012851;
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--palette-mint: #a1dcd8;
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--palette-turquoise: #00c7b1;
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--palette-sand: #f0efe9;
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/* Typography */
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--font-sans: 'Montserrat', ui-sans-serif, system-ui, sans-serif;
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--font-serif: 'Tinos', 'Times New Roman', Georgia, serif;
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--text-huge: 4rem;
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}
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/* ─── 3. Semantic tokens — Tailwind utilities backed by CSS variables ──────── */
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/*
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@theme inline makes Tailwind generate utility classes (bg-surface, text-ink,
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border-line, etc.) whose values are CSS custom properties, not hardcoded hex.
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Changing --c-surface on :root is all it takes to retheme the whole UI.
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*/
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@theme inline {
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/* Surfaces */
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--color-canvas: var(--c-canvas);
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--color-surface: var(--c-surface);
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--color-overlay: var(--c-overlay);
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--color-muted: var(--c-muted);
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/* Borders */
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--color-line: var(--c-line);
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--color-line-2: var(--c-line-2);
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/* Text */
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--color-ink: var(--c-ink);
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--color-ink-2: var(--c-ink-2);
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--color-ink-3: var(--c-ink-3);
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/* Accent (mint ↔ turquoise) */
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--color-accent: var(--c-accent);
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--color-accent-bg: var(--c-accent-bg);
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/* Primary interactive (navy ↔ mint) */
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--color-primary: var(--c-primary);
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--color-primary-fg: var(--c-primary-fg);
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/* PDF viewer */
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--color-pdf-bg: var(--c-pdf-bg);
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--color-pdf-ctrl: var(--c-pdf-ctrl);
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--color-pdf-text: var(--c-pdf-text);
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/* Header surface — independent from canvas/surface for per-mode control */
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--color-header: var(--c-header);
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/* Focus ring — keyboard focus indicator, mode-aware (navy in light, mint in dark) */
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--color-focus-ring: var(--c-focus-ring);
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/* Static brand tokens (not themed) */
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--color-brand-navy: var(--palette-navy);
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--color-brand-mint: var(--palette-mint);
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}
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/* ─── 4. Light mode (default) ─────────────────────────────────────────────── */
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:root {
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--c-canvas: #f0efe9;
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--c-surface: #ffffff;
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--c-overlay: #ffffff;
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--c-muted: #f5f4ef;
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--c-line: #e4e2d7;
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--c-line-2: #eeede8;
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--c-ink: #012851;
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--c-ink-2: #4b5563; /* gray-600 — 7.6:1 on white, 6.6:1 on canvas — WCAG AA ✓ */
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--c-ink-3: #6b7280; /* gray-500 — 4.8:1 on white, ~4.6:1 on canvas — WCAG AA ✓ */
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/* ⚠ accent — decorative use only (borders, icon tints, bg fills)
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Light mode: #a1dcd8 on white = 1.52:1 — WCAG FAIL. Never use as text colour.
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For interactive text labels use text-primary or text-ink instead. */
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--c-accent: #a1dcd8;
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--c-accent-bg: rgba(161, 220, 216, 0.15);
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--c-primary: #012851;
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--c-primary-fg: #ffffff;
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/* Header is brand-navy in light mode; same in dark mode for contrast compliance */
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--c-header: #012851;
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/* Focus ring: brand-navy in light mode — 14:1 on white, ~11:1 on sand */
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--c-focus-ring: #012851;
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--c-pdf-bg: #ebebeb;
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--c-pdf-ctrl: #d8d8d8;
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--c-pdf-text: #333333;
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}
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/* ─── 5. Dark mode ─────────────────────────────────────────────────────────── */
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/*
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Navy-tinted dark palette derived from brand-navy (#012851).
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KEEP THESE TWO BLOCKS IN SYNC — they cover the same design intent via
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different activation paths (system preference vs. manual toggle).
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*/
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@media (prefers-color-scheme: dark) {
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:root:not([data-theme='light']) {
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color-scheme: dark;
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--c-canvas: #010e1e;
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--c-surface: #011526;
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--c-overlay: #011e38;
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--c-muted: #011a30;
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--c-line: #0d3358;
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--c-line-2: #092843;
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--c-ink: #f0efe9;
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--c-ink-2: #9ca3af; /* 7.5:1 on #011526 — WCAG AAA ✓ */
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--c-ink-3: #8b97a5; /* 7.1:1 on #011526 — WCAG AAA ✓ */
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--c-accent: #00c7b1;
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--c-accent-bg: rgba(0, 199, 177, 0.12);
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--c-primary: #a1dcd8;
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--c-primary-fg: #012851;
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/* Header at brand-navy: 4.99:1 with ink-3 (WCAG AA ✓), visually above canvas */
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--c-header: #012851;
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/* Focus ring: brand-mint in dark mode — 9.2:1 on canvas, 7.1:1 on surface */
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--c-focus-ring: #a1dcd8;
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--c-pdf-bg: #010e1e;
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--c-pdf-ctrl: #011526;
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--c-pdf-text: #f0efe9;
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}
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}
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/* Manual dark override — takes precedence over media query */
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/* KEEP IN SYNC with the @media block above */
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:root[data-theme='dark'] {
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color-scheme: dark;
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--c-canvas: #010e1e;
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--c-surface: #011526;
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--c-overlay: #011e38;
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--c-muted: #011a30;
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--c-line: #0d3358;
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--c-line-2: #092843;
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--c-ink: #f0efe9;
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--c-ink-2: #9ca3af; /* 7.5:1 on #011526 — WCAG AAA ✓ */
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--c-ink-3: #8b97a5; /* 7.1:1 on #011526 — WCAG AAA ✓ */
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--c-accent: #00c7b1;
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--c-accent-bg: rgba(0, 199, 177, 0.12);
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--c-primary: #a1dcd8;
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--c-primary-fg: #012851;
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/* Header at brand-navy: 4.99:1 with ink-3 (WCAG AA ✓), visually above canvas */
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--c-header: #012851;
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/* Focus ring: brand-mint in dark mode — 9.2:1 on canvas, 7.1:1 on surface */
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--c-focus-ring: #a1dcd8;
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--c-pdf-bg: #010e1e;
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--c-pdf-ctrl: #011526;
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--c-pdf-text: #f0efe9;
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}
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/* ─── 6. Icon inversion — De Gruyter icons are black SVGs loaded as <img> ──── */
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/*
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In dark mode, invert all brand icons so they read as white on dark surfaces.
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Exclude .invert icons (already inverted for placement on dark backgrounds)
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so they don't get double-inverted back to black.
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*/
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@media (prefers-color-scheme: dark) {
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:root:not([data-theme='light']) img[src*='degruyter-icons']:not(.invert) {
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filter: invert(1);
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}
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}
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:root[data-theme='dark'] img[src*='degruyter-icons']:not(.invert) {
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filter: invert(1);
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}
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/* ─── 7. @mention chip ─────────────────────────────────────────────────────── */
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/*
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Rendered by renderBody() via {@html ...} in CommentThread.svelte.
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Must live in global CSS — Svelte scoped styles don't reach injected HTML.
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*/
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.mention {
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display: inline;
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color: var(--c-ink);
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background-color: var(--c-accent-bg);
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border-radius: 3px;
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padding: 0 3px;
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font-weight: 600;
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font-style: normal;
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cursor: default;
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transition: background-color 0.15s ease;
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}
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.mention:hover {
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background-color: color-mix(in srgb, var(--c-accent) 25%, transparent);
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}
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/* ─── 8. Base styles ───────────────────────────────────────────────────────── */
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@layer base {
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html {
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overscroll-behavior: none;
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}
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body {
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background-color: var(--c-canvas);
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color: var(--c-ink);
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font-family: var(--font-serif);
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}
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h1,
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h2,
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h3,
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h4,
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h5,
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h6 {
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font-family: var(--font-sans);
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font-weight: 600;
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}
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/* Form controls — always use surface bg and ink text so they theme correctly */
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input,
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textarea,
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select {
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background-color: var(--c-surface);
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color: var(--c-ink);
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}
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a:hover {
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text-decoration-color: var(--c-accent);
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text-decoration-thickness: 2px;
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text-underline-offset: 4px;
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}
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/* Fallback focus ring for any interactive element not styled with ring-focus-ring */
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:focus-visible {
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outline: 2px solid var(--c-focus-ring);
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outline-offset: 2px;
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}
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}
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/* Ensure focus rings are visible in Windows High Contrast / forced-colors mode */
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@media (forced-colors: active) {
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:focus-visible {
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outline: 3px solid ButtonText;
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}
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}
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