/**
 * Global layout, design-token aliases, and bare-element baselines.
 *
 * Canonical tokens are `--wp--preset--*` and `--wp--custom--*` (emitted from theme.json).
 * The `--v42-*` names defined here are stable aliases for internal CSS.
 * Customizer overrides (functions.php) write `--wp--preset--color--primary` and
`--wp--preset--color--secondary` (plus background / text) so both
 * surfaces (auto-styled element baselines and `v42-*` components) follow tunable colors.
 *
 * @package Vincent42
 */

*,
*::before,
*::after {
	box-sizing: border-box;
}

:root {
	/* Color tokens. Aliases of theme.json palette presets (with hex fallbacks). */
	--v42-color-surface: var(--wp--preset--color--surface, #10131a);
	--v42-color-surface-dim: var(--wp--preset--color--surface-dim, #10131a);
	--v42-color-surface-bright: var(--wp--preset--color--surface-bright, #363940);
	--v42-color-surface-container-lowest: var(--wp--preset--color--surface-container-lowest, #0b0e14);
	--v42-color-surface-container-low: var(--wp--preset--color--surface-container-low, #191c22);
	--v42-color-surface-container: var(--wp--preset--color--surface-container, #1d2026);
	--v42-color-surface-container-high: var(--wp--preset--color--surface-container-high, #272a31);
	--v42-color-surface-container-highest: var(--wp--preset--color--surface-container-highest, #32353c);
	--v42-color-surface-variant: var(--wp--preset--color--surface-variant, #32353c);
	--v42-color-on-surface: var(--wp--preset--color--on-surface, #e1e2eb);
	--v42-color-on-surface-variant: var(--wp--preset--color--on-surface-variant, #b9cacb);
	--v42-color-inverse-surface: var(--wp--preset--color--inverse-surface, #e1e2eb);
	--v42-color-inverse-on-surface: var(--wp--preset--color--inverse-on-surface, #2e3037);
	--v42-color-outline: var(--wp--preset--color--outline, #849495);
	--v42-color-outline-variant: var(--wp--preset--color--outline-variant, #3b494b);
	--v42-color-surface-tint: var(--wp--preset--color--surface-tint, #00dbe9);
	--v42-color-primary: var(--wp--preset--color--primary, #00f0ff);
	--v42-color-on-primary: var(--wp--preset--color--on-primary, #003739);
	--v42-color-primary-container: var(--wp--preset--color--primary-container, #004f54);
	--v42-color-on-primary-container: var(--wp--preset--color--on-primary-container, #b6ebf2);
	--v42-color-inverse-primary: var(--wp--preset--color--inverse-primary, #006970);
	--v42-color-secondary: var(--wp--preset--color--secondary, #8A2BE2);
	--v42-color-on-secondary: var(--wp--preset--color--on-secondary, #f2e7ff);
	--v42-color-secondary-container: var(--wp--preset--color--secondary-container, #4f1d8a);
	--v42-color-on-secondary-container: var(--wp--preset--color--on-secondary-container, #e8d4ff);
	--v42-color-tertiary: var(--wp--preset--color--tertiary, #f4f5ff);
	--v42-color-on-tertiary: var(--wp--preset--color--on-tertiary, #2c3039);
	--v42-color-tertiary-container: var(--wp--preset--color--tertiary-container, #d6d9e4);
	--v42-color-on-tertiary-container: var(--wp--preset--color--on-tertiary-container, #5b5f68);
	--v42-color-error: var(--wp--preset--color--error, #ffb4ab);
	--v42-color-on-error: var(--wp--preset--color--on-error, #690005);
	--v42-color-error-container: var(--wp--preset--color--error-container, #93000a);
	--v42-color-on-error-container: var(--wp--preset--color--on-error-container, #ffdad6);
	--v42-color-primary-fixed: var(--wp--preset--color--primary-fixed, #7df4ff);
	--v42-color-primary-fixed-dim: var(--wp--preset--color--primary-fixed-dim, #00dbe9);
	--v42-color-on-primary-fixed: var(--wp--preset--color--on-primary-fixed, #002022);
	--v42-color-on-primary-fixed-variant: var(--wp--preset--color--on-primary-fixed-variant, #004f54);
	--v42-color-secondary-fixed: var(--wp--preset--color--secondary-fixed, #4d1a8a);
	--v42-color-secondary-fixed-dim: var(--wp--preset--color--secondary-fixed-dim, #361260);
	--v42-color-on-secondary-fixed: var(--wp--preset--color--on-secondary-fixed, #faf5ff);
	--v42-color-on-secondary-fixed-variant: var(--wp--preset--color--on-secondary-fixed-variant, #e8d4ff);
	--v42-color-tertiary-fixed: var(--wp--preset--color--tertiary-fixed, #dfe2ee);
	--v42-color-tertiary-fixed-dim: var(--wp--preset--color--tertiary-fixed-dim, #c3c6d1);
	--v42-color-on-tertiary-fixed: var(--wp--preset--color--on-tertiary-fixed, #181c24);
	--v42-color-on-tertiary-fixed-variant: var(--wp--preset--color--on-tertiary-fixed-variant, #434750);
	--v42-color-background: var(--wp--preset--color--background, #10131a);
	--v42-color-on-background: var(--wp--preset--color--on-background, #e1e2eb);

	/* Derived presets — brand chroma lives on --wp--preset--color--primary and
	   --wp--preset--color--secondary (Customizer rewrites those). We do not redefine
	   primary/secondary here; the rest of each M3 role family derives from them.
	   Cross-theme aliases (accent / accent-2) mirror TT4/TT5 naming for portable plugins. */
	--wp--preset--color--surface-tint: color-mix(in srgb, var(--wp--preset--color--primary, #00f0ff) 90%, black);
	--wp--preset--color--on-primary: color-mix(in srgb, var(--wp--preset--color--primary, #00f0ff) 22%, black);
	--wp--preset--color--primary-container: color-mix(in srgb, var(--wp--preset--color--primary, #00f0ff) 33%, black);
	--wp--preset--color--on-primary-container: color-mix(in srgb, var(--wp--preset--color--primary, #00f0ff) 72%, white);
	--wp--preset--color--inverse-primary: color-mix(in srgb, var(--wp--preset--color--primary, #00f0ff) 42%, black);
	--wp--preset--color--primary-fixed: color-mix(in srgb, var(--wp--preset--color--primary, #00f0ff) 72%, white);
	--wp--preset--color--primary-fixed-dim: color-mix(in srgb, var(--wp--preset--color--primary, #00f0ff) 90%, black);
	--wp--preset--color--on-primary-fixed: color-mix(in srgb, var(--wp--preset--color--primary, #00f0ff) 13%, black);
	--wp--preset--color--on-primary-fixed-variant: color-mix(in srgb, var(--wp--preset--color--primary, #00f0ff) 33%, black);

	--wp--preset--color--secondary-container: color-mix(in srgb, var(--wp--preset--color--secondary, #8A2BE2) 45%, black);
	--wp--preset--color--secondary-fixed: color-mix(in srgb, var(--wp--preset--color--secondary, #8A2BE2) 55%, black);
	--wp--preset--color--secondary-fixed-dim: color-mix(in srgb, var(--wp--preset--color--secondary, #8A2BE2) 70%, black);
	--wp--preset--color--on-secondary: color-mix(in srgb, var(--wp--preset--color--secondary, #8A2BE2) 30%, white);
	--wp--preset--color--on-secondary-container: color-mix(in srgb, var(--wp--preset--color--secondary, #8A2BE2) 72%, white);
	--wp--preset--color--on-secondary-fixed: color-mix(in srgb, var(--wp--preset--color--secondary, #8A2BE2) 13%, white);
	--wp--preset--color--on-secondary-fixed-variant: color-mix(in srgb, var(--wp--preset--color--secondary, #8A2BE2) 33%, white);

	--wp--preset--color--accent: var(--wp--preset--color--primary);
	--wp--preset--color--on-accent: var(--wp--preset--color--on-primary);
	--wp--preset--color--accent-2: var(--wp--preset--color--secondary);
	--wp--preset--color--on-accent-2: var(--wp--preset--color--on-secondary);

	/* Typography aliases. */
	--v42-font-heading: var(--wp--preset--font-family--space-grotesk, "Space Grotesk", system-ui, sans-serif);
	--v42-font-body: var(--wp--preset--font-family--inter, "Inter", system-ui, sans-serif);
	--v42-font-mono: var(--wp--preset--font-family--jetbrains-mono, "JetBrains Mono", ui-monospace, monospace);

	--v42-text-h1-size: var(--wp--preset--font-size--h1, 3rem);
	--v42-text-h1-weight: 700;
	--v42-text-h1-line: var(--wp--custom--text--h1-line, 1.1);
	--v42-text-h1-spacing: var(--wp--custom--text--h1-spacing, 0.05em);

	--v42-text-h2-size: var(--wp--preset--font-size--h2, 2rem);
	--v42-text-h2-weight: 600;
	--v42-text-h2-line: var(--wp--custom--text--h2-line, 1.2);
	--v42-text-h2-spacing: var(--wp--custom--text--h2-spacing, 0.03em);

	--v42-text-h3-size: var(--wp--preset--font-size--h3, 1.5rem);
	--v42-text-h3-weight: 500;
	--v42-text-h3-line: var(--wp--custom--text--h3-line, 1.3);
	--v42-text-h3-spacing: var(--wp--custom--text--h3-spacing, 0.02em);

	--v42-text-body-lg-size: var(--wp--preset--font-size--body-lg, 1.125rem);
	--v42-text-body-md-size: var(--wp--preset--font-size--body-md, 1rem);
	--v42-text-body-line: var(--wp--custom--text--body-line, 1.5);
	--v42-text-data-size: var(--wp--preset--font-size--data-point, 0.875rem);
	--v42-text-label-size: var(--wp--preset--font-size--label-caps, 0.75rem);
	--v42-text-label-spacing: var(--wp--custom--text--label-spacing, 0.08em);

	/* Spacing scale (4px base) aliases. */
	--v42-space-xs: var(--wp--preset--spacing--xs, 4px);
	--v42-space-sm: var(--wp--preset--spacing--sm, 8px);
	--v42-space-md: var(--wp--preset--spacing--md, 16px);
	--v42-space-lg: var(--wp--preset--spacing--lg, 24px);
	--v42-space-xl: var(--wp--preset--spacing--xl, 48px);
	--v42-space-gutter: var(--wp--preset--spacing--gutter, 24px);
	--v42-space-margin: var(--wp--preset--spacing--margin, 32px);

	/* Radii aliases. */
	--v42-radius-sm: var(--wp--custom--radius--sm, 0.25rem);
	--v42-radius-md: var(--wp--custom--radius--md, 0.5rem);
	--v42-radius-lg: var(--wp--custom--radius--lg, 0.75rem);
	--v42-radius-xl: var(--wp--custom--radius--xl, 1rem);
	--v42-radius-2xl: var(--wp--custom--radius--2xl, 1.5rem);
	--v42-radius-full: var(--wp--custom--radius--full, 9999px);

	/* Motion aliases. */
	--v42-duration-fast: var(--wp--custom--motion--duration-fast, 150ms);
	--v42-duration-base: var(--wp--custom--motion--duration-base, 220ms);
	--v42-ease-standard: var(--wp--custom--motion--ease-standard, cubic-bezier(0.4, 0, 0.2, 1));
}

html {
	-webkit-text-size-adjust: 100%;
	scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	*,
	*::before,
	*::after {
		transition-duration: 0.01ms !important;
		animation-duration: 0.01ms !important;
	}
}

body {
	margin: 0;
	min-height: 100vh;
	font-family: var(--v42-font-body);
	font-size: var(--v42-text-body-md-size);
	line-height: var(--v42-text-body-line);
	color: var(--v42-color-on-background);
	background-color: var(--v42-color-background);
}

/* -------------------------------------------------------------------------
   Element baselines
   --------------------------------------------------------------------------
   Bare element styling at zero specificity (`:where()`) so:
   - plugin/block markup auto-inherits the Vincent42 look without opting in to
     `v42-*` classes
   - any plugin CSS still wins without specificity wars or `!important`
   - explicit `v42-*` component classes in components.css can override freely
   ------------------------------------------------------------------------- */

/* Links (excluding anchors used as buttons via the button selector union).
   Intentionally not wrapped in outer :where() — WordPress injects link rules
   via global-styles-inline-css; zero-specificity :where() would always lose.
   No underline at rest — affordance is primary-color text; underline fades in
   on hover by transitioning text-decoration-color from transparent. */
a:not(.wp-element-button, .wp-block-button__link, .button, .btn, .button-primary, .button-secondary, .button-outline) {
	color: var(--v42-color-primary);
	text-decoration: underline;
	text-decoration-color: transparent;
	text-decoration-thickness: 1px;
	text-underline-offset: 0.2em;
	transition:
		color var(--v42-duration-fast) var(--v42-ease-standard),
		text-decoration-color var(--v42-duration-fast) var(--v42-ease-standard);
}

a:not(.wp-element-button, .wp-block-button__link, .button, .btn, .button-primary, .button-secondary, .button-outline):hover {
	color: var(--v42-color-primary-fixed);
	text-decoration-color: var(--v42-color-primary-fixed);
}

a:not(.wp-element-button, .wp-block-button__link, .button, .btn, .button-primary, .button-secondary, .button-outline):focus-visible {
	outline: 2px solid var(--v42-color-primary);
	outline-offset: 3px;
	text-decoration-color: var(--v42-color-primary);
}

/* Headings. */
:where(h1, h2, h3, h4, h5, h6) {
	font-family: var(--v42-font-heading);
	color: var(--v42-color-on-surface);
	margin-block: 0 var(--v42-space-md);
}

:where(h1) {
	font-size: var(--v42-text-h1-size);
	font-weight: var(--v42-text-h1-weight);
	line-height: var(--v42-text-h1-line);
	letter-spacing: var(--v42-text-h1-spacing);
	text-transform: uppercase;
}

:where(h2) {
	font-size: var(--v42-text-h2-size);
	font-weight: var(--v42-text-h2-weight);
	line-height: var(--v42-text-h2-line);
	letter-spacing: var(--v42-text-h2-spacing);
	text-transform: uppercase;
}

:where(h3) {
	font-size: var(--v42-text-h3-size);
	font-weight: var(--v42-text-h3-weight);
	line-height: var(--v42-text-h3-line);
	letter-spacing: var(--v42-text-h3-spacing);
}

:where(p) {
	margin-block: 0 var(--v42-space-md);
}

:where(code, kbd, pre, samp) {
	font-family: var(--v42-font-mono);
	font-size: var(--v42-text-data-size);
	font-weight: 500;
}

/* Buttons — base look (typography, padding, motion, neutral fill). */
:where(
	button,
	.button,
	.btn,
	.wp-element-button,
	.wp-block-button__link,
	input[type="submit"],
	input[type="button"],
	input[type="reset"]
) {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--v42-space-sm);
	margin: 0;
	padding: var(--v42-space-sm) var(--v42-space-lg);
	font-family: var(--v42-font-mono);
	font-size: var(--v42-text-label-size);
	font-weight: 700;
	line-height: 1.2;
	letter-spacing: var(--v42-text-label-spacing);
	text-transform: uppercase;
	text-decoration: none;
	white-space: nowrap;
	color: var(--v42-color-on-surface);
	background: color-mix(in srgb, var(--v42-color-surface-container-high) 85%, transparent);
	border: 1px solid color-mix(in srgb, var(--v42-color-outline) 40%, transparent);
	border-radius: var(--v42-radius-md);
	cursor: pointer;
	box-shadow: inset 0 1px 0 color-mix(in srgb, var(--v42-color-on-surface) 6%, transparent);
	transition:
		color var(--v42-duration-fast) var(--v42-ease-standard),
		background-color var(--v42-duration-fast) var(--v42-ease-standard),
		border-color var(--v42-duration-fast) var(--v42-ease-standard),
		box-shadow var(--v42-duration-base) var(--v42-ease-standard),
		transform var(--v42-duration-fast) var(--v42-ease-standard);
}

:where(
	button,
	.button,
	.btn,
	.wp-element-button,
	.wp-block-button__link,
	input[type="submit"],
	input[type="button"],
	input[type="reset"]
):hover:where(:not(:disabled)):where(:not([aria-disabled="true"])) {
	color: var(--v42-color-primary);
	border-color: color-mix(in srgb, var(--v42-color-primary) 35%, transparent);
	background: color-mix(in srgb, var(--v42-color-surface-container) 92%, transparent);
	box-shadow:
		inset 0 1px 0 color-mix(in srgb, var(--v42-color-on-surface) 6%, transparent),
		0 0 14px color-mix(in srgb, var(--v42-color-primary) 15%, transparent);
}

:where(
	button,
	.button,
	.btn,
	.wp-element-button,
	.wp-block-button__link,
	input[type="submit"],
	input[type="button"],
	input[type="reset"]
):disabled,
:where(
	button,
	.button,
	.btn,
	.wp-element-button,
	.wp-block-button__link,
	input[type="submit"],
	input[type="button"],
	input[type="reset"]
)[aria-disabled="true"] {
	opacity: 0.45;
	cursor: not-allowed;
	box-shadow: none;
	transform: none;
}

:where(
	button,
	.button,
	.btn,
	.wp-element-button,
	.wp-block-button__link,
	input[type="submit"],
	input[type="button"],
	input[type="reset"]
):focus-visible {
	outline: 2px solid var(--v42-color-primary);
	outline-offset: 3px;
}

/* Buttons — primary variant (gradient + glow).
   Includes `.wp-element-button` / `.wp-block-button__link` so unmodified Gutenberg
   buttons render as the primary CTA. Block style variations like
   `.is-style-secondary` / `.is-style-ghost` override via later rules below. */
:where(
	.button-primary,
	.btn-primary,
	.is-style-primary,
	.wp-element-button,
	.wp-block-button__link,
	[data-variant="primary"]
) {
	color: var(--v42-color-on-primary);
	background: linear-gradient(
		135deg,
		var(--v42-color-secondary) 0%,
		var(--v42-color-primary) 100%
	);
	border-color: color-mix(in srgb, var(--v42-color-primary) 55%, var(--v42-color-secondary));
	box-shadow:
		0 0 0 1px color-mix(in srgb, var(--v42-color-on-primary) 12%, transparent),
		0 0 18px color-mix(in srgb, var(--v42-color-primary) 28%, transparent);
}

:where(
	.button-primary,
	.btn-primary,
	.is-style-primary,
	.wp-element-button,
	.wp-block-button__link,
	[data-variant="primary"]
):hover:where(:not(:disabled)):where(:not([aria-disabled="true"])) {
	color: var(--v42-color-on-primary);
	background: linear-gradient(
		135deg,
		var(--v42-color-secondary) 0%,
		var(--v42-color-primary) 100%
	);
	box-shadow:
		0 0 0 1px color-mix(in srgb, var(--v42-color-on-primary) 18%, transparent),
		0 0 26px color-mix(in srgb, var(--v42-color-primary) 42%, transparent);
	transform: translateY(-1px);
}

:where(
	.button-primary,
	.btn-primary,
	.is-style-primary,
	.wp-element-button,
	.wp-block-button__link,
	[data-variant="primary"]
):active:where(:not(:disabled)):where(:not([aria-disabled="true"])) {
	transform: translateY(0);
	box-shadow:
		0 0 0 1px color-mix(in srgb, var(--v42-color-on-primary) 10%, transparent),
		0 0 14px color-mix(in srgb, var(--v42-color-primary) 24%, transparent);
}

/* Buttons — secondary variant (explicit neutral fill, identical to base but available
   as an explicit class for opt-out cases on Gutenberg / theme.json primary defaults). */
:where(
	.button-secondary,
	.btn-secondary,
	.is-style-secondary,
	[data-variant="secondary"]
) {
	color: var(--v42-color-on-surface);
	background: color-mix(in srgb, var(--v42-color-surface-container-high) 85%, transparent);
	border-color: color-mix(in srgb, var(--v42-color-outline) 40%, transparent);
	box-shadow: inset 0 1px 0 color-mix(in srgb, var(--v42-color-on-surface) 6%, transparent);
}

:where(
	.button-secondary,
	.btn-secondary,
	.is-style-secondary,
	[data-variant="secondary"]
):hover:where(:not(:disabled)):where(:not([aria-disabled="true"])) {
	color: var(--v42-color-primary);
	border-color: color-mix(in srgb, var(--v42-color-primary) 35%, transparent);
	background: color-mix(in srgb, var(--v42-color-surface-container) 92%, transparent);
	box-shadow:
		inset 0 1px 0 color-mix(in srgb, var(--v42-color-on-surface) 6%, transparent),
		0 0 14px color-mix(in srgb, var(--v42-color-primary) 15%, transparent);
}

/* Buttons — ghost / outline variant (transparent fill, accent outline). */
:where(
	.button-outline,
	.btn-outline,
	.btn-ghost,
	.is-style-ghost,
	.is-style-outline,
	[data-variant="ghost"]
) {
	color: var(--v42-color-primary);
	background: transparent;
	border-color: color-mix(in srgb, var(--v42-color-primary) 55%, transparent);
	box-shadow: none;
}

:where(
	.button-outline,
	.btn-outline,
	.btn-ghost,
	.is-style-ghost,
	.is-style-outline,
	[data-variant="ghost"]
):hover:where(:not(:disabled)):where(:not([aria-disabled="true"])) {
	color: var(--v42-color-primary-fixed);
	background: color-mix(in srgb, var(--v42-color-primary) 12%, transparent);
	border-color: color-mix(in srgb, var(--v42-color-primary-fixed) 80%, transparent);
	box-shadow: 0 0 16px color-mix(in srgb, var(--v42-color-primary) 20%, transparent);
}

:where(
	.button-outline,
	.btn-outline,
	.btn-ghost,
	.is-style-ghost,
	.is-style-outline,
	[data-variant="ghost"]
):active:where(:not(:disabled)):where(:not([aria-disabled="true"])) {
	background: color-mix(in srgb, var(--v42-color-primary) 18%, transparent);
}

/* Text inputs / textarea / select. */
:where(
	input[type="text" i],
	input[type="email" i],
	input[type="password" i],
	input[type="url" i],
	input[type="tel" i],
	input[type="search" i],
	input[type="number" i],
	input[type="date" i],
	input[type="datetime-local" i],
	input[type="month" i],
	input[type="time" i],
	input[type="week" i],
	textarea,
	select
) {
	max-width: 100%;
	min-width: 0;
	margin: 0;
	padding: var(--v42-space-sm) var(--v42-space-md);
	font-family: var(--v42-font-mono);
	font-size: var(--v42-text-data-size);
	font-weight: 500;
	line-height: var(--v42-text-body-line);
	color: var(--v42-color-on-surface);
	background: var(--v42-color-surface-container-lowest);
	border: 1px solid color-mix(in srgb, var(--v42-color-outline) 35%, transparent);
	border-radius: var(--v42-radius-md);
	box-shadow: inset 0 -2px 0 transparent;
	transition:
		border-color var(--v42-duration-fast) var(--v42-ease-standard),
		box-shadow var(--v42-duration-base) var(--v42-ease-standard),
		background-color var(--v42-duration-fast) var(--v42-ease-standard);
}

:where(textarea) {
	min-height: 6rem;
	resize: vertical;
}

:where(select) {
	appearance: none;
	padding-right: var(--v42-space-xl);
	background-image: linear-gradient(45deg, transparent 50%, var(--v42-color-on-surface-variant) 50%),
		linear-gradient(135deg, var(--v42-color-on-surface-variant) 50%, transparent 50%);
	background-position: calc(100% - 1.1rem) 55%, calc(100% - 0.65rem) 55%;
	background-size: 6px 6px, 6px 6px;
	background-repeat: no-repeat;
}

:where(
	input[type="text" i],
	input[type="email" i],
	input[type="password" i],
	input[type="url" i],
	input[type="tel" i],
	input[type="search" i],
	input[type="number" i],
	input[type="date" i],
	input[type="datetime-local" i],
	input[type="month" i],
	input[type="time" i],
	input[type="week" i],
	textarea,
	select
)::placeholder {
	color: color-mix(in srgb, var(--v42-color-on-surface-variant) 65%, transparent);
	opacity: 1;
}

:where(
	input[type="text" i],
	input[type="email" i],
	input[type="password" i],
	input[type="url" i],
	input[type="tel" i],
	input[type="search" i],
	input[type="number" i],
	input[type="date" i],
	input[type="datetime-local" i],
	input[type="month" i],
	input[type="time" i],
	input[type="week" i],
	textarea,
	select
):hover {
	border-color: color-mix(in srgb, var(--v42-color-primary) 28%, var(--v42-color-outline));
}

:where(
	input[type="text" i],
	input[type="email" i],
	input[type="password" i],
	input[type="url" i],
	input[type="tel" i],
	input[type="search" i],
	input[type="number" i],
	input[type="date" i],
	input[type="datetime-local" i],
	input[type="month" i],
	input[type="time" i],
	input[type="week" i],
	textarea,
	select
):focus {
	outline: none;
	border-color: color-mix(in srgb, var(--v42-color-primary) 55%, transparent);
	box-shadow:
		inset 0 -2px 0 0 var(--v42-color-primary),
		0 0 0 1px color-mix(in srgb, var(--v42-color-primary) 25%, transparent),
		0 0 16px color-mix(in srgb, var(--v42-color-primary) 18%, transparent);
	background-color: color-mix(in srgb, var(--v42-color-surface-container-lowest) 92%, var(--v42-color-surface-container-low));
}

:where(
	input[type="text" i],
	input[type="email" i],
	input[type="password" i],
	input[type="url" i],
	input[type="tel" i],
	input[type="search" i],
	input[type="number" i],
	input[type="date" i],
	input[type="datetime-local" i],
	input[type="month" i],
	input[type="time" i],
	input[type="week" i],
	textarea,
	select
):disabled {
	opacity: 0.5;
	cursor: not-allowed;
}

/* Form structural elements. */
:where(label) {
	font-family: var(--v42-font-mono);
	font-size: var(--v42-text-label-size);
	font-weight: 700;
	line-height: 1.2;
	letter-spacing: var(--v42-text-label-spacing);
	text-transform: uppercase;
	color: var(--v42-color-on-surface-variant);
}

:where(fieldset) {
	margin: 0 0 var(--v42-space-md);
	padding: var(--v42-space-md);
	border: 1px solid color-mix(in srgb, var(--v42-color-outline) 28%, transparent);
	border-radius: var(--v42-radius-md);
	background: color-mix(in srgb, var(--v42-color-surface-container-low) 70%, transparent);
}

:where(legend) {
	padding: 0 var(--v42-space-sm);
	font-family: var(--v42-font-mono);
	font-size: var(--v42-text-label-size);
	font-weight: 700;
	letter-spacing: var(--v42-text-label-spacing);
	text-transform: uppercase;
	color: var(--v42-color-on-surface-variant);
}

/* Tables. */
:where(table) {
	width: 100%;
	margin: 0 0 var(--v42-space-md);
	border-collapse: collapse;
	background: color-mix(in srgb, var(--v42-color-surface-container) 80%, transparent);
	border: 1px solid color-mix(in srgb, var(--v42-color-outline) 25%, transparent);
	border-radius: var(--v42-radius-md);
	overflow: hidden;
}

:where(th, td) {
	padding: var(--v42-space-sm) var(--v42-space-md);
	text-align: left;
	border-bottom: 1px solid color-mix(in srgb, var(--v42-color-outline) 18%, transparent);
}

:where(thead th) {
	font-family: var(--v42-font-mono);
	font-size: var(--v42-text-label-size);
	font-weight: 700;
	letter-spacing: var(--v42-text-label-spacing);
	text-transform: uppercase;
	color: var(--v42-color-on-surface-variant);
	background: color-mix(in srgb, var(--v42-color-surface-container-high) 70%, transparent);
}

:where(tbody tr:last-child td) {
	border-bottom: 0;
}

/* Lists. */
:where(ul, ol) {
	margin: 0 0 var(--v42-space-md);
	padding-inline-start: var(--v42-space-lg);
}

/* Blockquote / horizontal rule. */
:where(blockquote) {
	margin: 0 0 var(--v42-space-md);
	padding: var(--v42-space-md) var(--v42-space-lg);
	border-left: 3px solid color-mix(in srgb, var(--v42-color-primary) 65%, var(--v42-color-outline));
	background: color-mix(in srgb, var(--v42-color-surface-container) 75%, transparent);
	border-radius: var(--v42-radius-md);
	color: var(--v42-color-on-surface);
	font-style: italic;
}

:where(hr) {
	margin: var(--v42-space-lg) 0;
	border: 0;
	height: 1px;
	background: color-mix(in srgb, var(--v42-color-on-background) 12%, transparent);
}

/* -------------------------------------------------------------------------
   Utility classes
   ------------------------------------------------------------------------- */

.v42-type-mono {
	font-family: var(--v42-font-mono);
	font-size: var(--v42-text-data-size);
	font-weight: 500;
	line-height: 1.4;
	letter-spacing: -0.01em;
}

.v42-type-label-caps {
	font-family: var(--v42-font-mono);
	font-size: var(--v42-text-label-size);
	font-weight: 700;
	line-height: 1;
	letter-spacing: 0.1em;
	text-transform: uppercase;
}

.v42-skip-link {
	position: absolute;
	left: -9999px;
	top: var(--v42-space-sm);
	z-index: 100000;
	padding: var(--v42-space-sm) var(--v42-space-md);
	font-family: var(--v42-font-mono);
	font-size: var(--v42-text-label-size);
	color: var(--v42-color-on-primary);
	background: var(--v42-color-primary);
	border-radius: var(--v42-radius-md);
	text-decoration: none;
	transition: background-color var(--v42-duration-fast) var(--v42-ease-standard);
}

.v42-skip-link:focus {
	left: var(--v42-space-md);
	outline: none;
	box-shadow: 0 0 0 2px var(--v42-color-background), 0 0 0 4px var(--v42-color-primary);
}

/* -------------------------------------------------------------------------
   Site shell
   ------------------------------------------------------------------------- */

.v42-site {
	min-height: 100vh;
	display: flex;
	flex-direction: column;
}

.v42-masthead {
	position: relative;
	z-index: 1000;
	flex-shrink: 0;
	border-bottom: 1px solid color-mix(in srgb, var(--v42-color-on-background) 12%, transparent);
	background: color-mix(in srgb, var(--v42-color-surface-container-low) 88%, transparent);
	backdrop-filter: blur(12px);
}

.v42-masthead__bar {
	display: grid;
	grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
	align-items: center;
	gap: var(--v42-space-md);
	max-width: 90rem;
	margin-inline: auto;
	padding: var(--v42-space-md) var(--v42-space-gutter);
}

.v42-masthead__left,
.v42-masthead__modules-right {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--v42-space-sm) var(--v42-space-md);
	min-width: 0;
}

.v42-masthead__left {
	justify-content: flex-start;
}

.v42-masthead__center {
	display: flex;
	justify-content: center;
	text-align: center;
	min-width: 0;
}

.v42-masthead__right {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: flex-end;
	gap: var(--v42-space-sm) var(--v42-space-md);
	min-width: 0;
}

.v42-masthead__brand {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--v42-space-xs);
}

.v42-masthead__nav-control {
	flex-shrink: 0;
}

/* Nav toggle: explicit override of the bare-button baseline. The icon and aria-expanded
   transformations require this element-scoped recipe. */
.v42-masthead__nav-toggle {
	display: inline-flex;
	align-items: center;
	gap: var(--v42-space-sm);
	margin: 0;
	padding: var(--v42-space-sm) var(--v42-space-md);
	font-family: var(--v42-font-mono);
	font-size: var(--v42-text-label-size);
	font-weight: 700;
	letter-spacing: var(--v42-text-label-spacing);
	text-transform: uppercase;
	color: var(--v42-color-on-surface);
	background: color-mix(in srgb, var(--v42-color-surface-container-high) 75%, transparent);
	border: 1px solid color-mix(in srgb, var(--v42-color-outline) 35%, transparent);
	border-radius: var(--v42-radius-md);
	box-shadow: none;
	cursor: pointer;
	transition: background-color var(--v42-duration-fast) var(--v42-ease-standard),
		border-color var(--v42-duration-fast) var(--v42-ease-standard),
		color var(--v42-duration-fast) var(--v42-ease-standard);
}

.v42-masthead__nav-toggle:hover {
	color: var(--v42-color-primary);
	border-color: color-mix(in srgb, var(--v42-color-primary) 45%, transparent);
	background: color-mix(in srgb, var(--v42-color-surface-container) 90%, transparent);
	box-shadow: none;
	transform: none;
}

.v42-masthead__nav-toggle:focus-visible {
	outline: 2px solid var(--v42-color-primary);
	outline-offset: 3px;
}

.v42-masthead__nav-toggle-icon {
	position: relative;
	display: block;
	width: 1.125rem;
	height: 2px;
	background: currentColor;
	border-radius: var(--v42-radius-full);
}

.v42-masthead__nav-toggle-icon::before,
.v42-masthead__nav-toggle-icon::after {
	content: "";
	position: absolute;
	left: 0;
	width: 100%;
	height: 2px;
	background: currentColor;
	border-radius: var(--v42-radius-full);
	transition: transform var(--v42-duration-base) var(--v42-ease-standard),
		top var(--v42-duration-base) var(--v42-ease-standard);
}

.v42-masthead__nav-toggle-icon::before {
	top: -6px;
}

.v42-masthead__nav-toggle-icon::after {
	top: 6px;
}

.v42-masthead__nav-toggle[aria-expanded="true"] .v42-masthead__nav-toggle-icon {
	background: transparent;
}

.v42-masthead__nav-toggle[aria-expanded="true"] .v42-masthead__nav-toggle-icon::before {
	top: 0;
	transform: rotate(45deg);
}

.v42-masthead__nav-toggle[aria-expanded="true"] .v42-masthead__nav-toggle-icon::after {
	top: 0;
	transform: rotate(-45deg);
}

.v42-masthead__nav-panel {
	position: absolute;
	left: 0;
	right: 0;
	top: 100%;
	padding: var(--v42-space-md) var(--v42-space-gutter) var(--v42-space-lg);
	background: color-mix(in srgb, var(--v42-color-surface-container-low) 94%, transparent);
	border-bottom: 1px solid color-mix(in srgb, var(--v42-color-on-background) 12%, transparent);
	backdrop-filter: blur(14px);
	box-shadow: 0 12px 32px color-mix(in srgb, var(--v42-color-surface-container-lowest) 65%, transparent);
	animation: v42-nav-panel-in var(--v42-duration-base) var(--v42-ease-standard);
}

@keyframes v42-nav-panel-in {
	from {
		opacity: 0;
		transform: translateY(-6px);
	}

	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.v42-masthead__nav {
	max-width: 90rem;
	margin-inline: auto;
}

.v42-masthead__nav-list {
	display: flex;
	flex-direction: column;
	gap: var(--v42-space-xs);
	margin: 0;
	padding: 0;
	list-style: none;
}

.v42-masthead__nav-list .menu-item {
	margin: 0;
}

/* Top-level links only: keeps one baseline row when siblings have submenus (no vertical centering). */
.v42-masthead__nav-list > .menu-item > a {
	display: block;
	padding: var(--v42-space-sm) var(--v42-space-md);
	font-family: var(--v42-font-heading);
	font-size: var(--v42-text-body-lg-size);
	font-weight: 500;
	line-height: var(--v42-text-body-line);
	color: var(--v42-color-on-surface);
	text-decoration: none;
	border-radius: var(--v42-radius-md);
	transition: background-color var(--v42-duration-fast) var(--v42-ease-standard),
		color var(--v42-duration-fast) var(--v42-ease-standard);
}

.v42-masthead__nav-list > .menu-item > a:hover {
	color: var(--v42-color-primary);
	background: color-mix(in srgb, var(--v42-color-primary) 8%, transparent);
}

.v42-masthead__nav-list > .menu-item > a:focus-visible {
	outline: 2px solid var(--v42-color-primary);
	outline-offset: 2px;
}

/* Nested: reads as a distinct group under its parent, not a peer of other top-level items. */
.v42-masthead__nav-list .sub-menu {
	margin: var(--v42-space-sm) 0 0;
	padding: var(--v42-space-sm) var(--v42-space-md);
	list-style: none;
	border-radius: var(--v42-radius-md);
	border: 1px solid color-mix(in srgb, var(--v42-color-outline) 28%, transparent);
	border-left-width: 3px;
	border-left-color: color-mix(in srgb, var(--v42-color-primary) 65%, var(--v42-color-outline));
	background: color-mix(in srgb, var(--v42-color-surface-container) 92%, transparent);
	box-shadow: inset 0 1px 0 color-mix(in srgb, var(--v42-color-on-surface) 6%, transparent);
}

.v42-masthead__nav-list .sub-menu .menu-item {
	margin: 0;
}

.v42-masthead__nav-list .sub-menu .menu-item + .menu-item {
	margin-top: 2px;
}

.v42-masthead__nav-list .sub-menu a {
	display: block;
	padding: var(--v42-space-xs) var(--v42-space-sm);
	font-family: var(--v42-font-body);
	font-size: var(--v42-text-body-md-size);
	font-weight: 400;
	line-height: var(--v42-text-body-line);
	color: var(--v42-color-on-surface-variant);
	text-decoration: none;
	border-radius: var(--v42-radius-sm);
	transition: background-color var(--v42-duration-fast) var(--v42-ease-standard),
		color var(--v42-duration-fast) var(--v42-ease-standard);
}

.v42-masthead__nav-list .sub-menu a:hover {
	color: var(--v42-color-primary);
	background: color-mix(in srgb, var(--v42-color-primary) 10%, transparent);
}

.v42-masthead__nav-list .sub-menu a:focus-visible {
	outline: 2px solid var(--v42-color-primary);
	outline-offset: 2px;
}

.v42-masthead__nav-list .sub-menu .sub-menu {
	margin-top: var(--v42-space-sm);
	margin-left: var(--v42-space-sm);
}

@media (min-width: 64rem) {
	.v42-masthead__nav-list {
		flex-direction: row;
		flex-wrap: wrap;
		align-items: flex-start;
		align-content: flex-start;
		gap: var(--v42-space-md) var(--v42-space-xl);
	}

	.v42-masthead__nav-list > .menu-item > a {
		padding: var(--v42-space-sm) var(--v42-space-sm);
	}

	/* Top-level columns stack link + nested group; row alignment is by start edge, not by tallest item. */
	.v42-masthead__nav-list > .menu-item {
		max-width: min(18rem, 100%);
	}
}

@media (max-width: 48rem) {
	.v42-masthead__bar {
		grid-template-columns: 1fr;
		grid-template-areas:
			"center"
			"left"
			"right";
	}

	.v42-masthead__left {
		grid-area: left;
		justify-content: center;
	}

	.v42-masthead__center {
		grid-area: center;
	}

	.v42-masthead__right {
		grid-area: right;
		justify-content: center;
	}

	.v42-masthead__brand {
		align-items: center;
	}
}

.v42-masthead .custom-logo-link {
	display: inline-block;
	line-height: 0;
}

.v42-masthead .custom-logo-link img,
.v42-masthead img.custom-logo {
	display: block;
	max-height: 3rem;
	width: auto;
	height: auto;
}

.v42-site-title {
	font-family: var(--v42-font-heading);
	font-size: var(--v42-text-h3-size);
	font-weight: var(--v42-text-h3-weight);
	letter-spacing: var(--v42-text-h3-spacing);
	color: var(--v42-color-on-surface);
	text-decoration: none;
	transition: color var(--v42-duration-fast) var(--v42-ease-standard);
}

.v42-site-title:hover {
	color: var(--v42-color-primary);
}

.v42-site-title:focus-visible {
	outline: 2px solid var(--v42-color-primary);
	outline-offset: 3px;
}

.v42-site-tagline {
	margin: 0;
	font-family: var(--v42-font-body);
	font-size: var(--v42-text-body-md-size);
	line-height: 1.4;
	color: var(--v42-color-on-surface-variant);
}

.v42-site__main {
	flex: 1 0 auto;
	width: 100%;
	padding: var(--v42-space-xl) var(--v42-space-gutter);
}

.v42-colophon {
	flex-shrink: 0;
	margin-top: auto;
	border-top: 1px solid color-mix(in srgb, var(--v42-color-on-background) 12%, transparent);
	background: var(--v42-color-surface-container-lowest);
}

.v42-colophon__inner {
	max-width: 90rem;
	margin-inline: auto;
	padding: var(--v42-space-lg) var(--v42-space-gutter);
}

.v42-colophon__credit {
	margin: 0;
	font-family: var(--v42-font-mono);
	font-size: var(--v42-text-label-size);
	color: var(--v42-color-on-surface-variant);
	letter-spacing: 0.04em;
}