/* Motion tokens — single override for reduced motion across URSA6 stack.
   Set --ursa6-motion-scale: 0 in prefers-reduced-motion; components derive durations via calc(). */
:root {
	--ursa6-motion-scale: 1;
	--transition-duration: calc(0.2s * var(--ursa6-motion-scale));
	--transition-easing: ease;
	--ursa6-transition-transform: calc(0.3s * var(--ursa6-motion-scale)) cubic-bezier(0.4, 0, 0.2, 1);
	--ursa6-mobile-nav-transition: calc(0.2s * var(--ursa6-motion-scale)) var(--transition-easing);
	--ursa6-transparent-header-transition: calc(0.22s * var(--ursa6-motion-scale)) var(--transition-easing);
}

@media (prefers-reduced-motion: reduce) {
	:root {
		--ursa6-motion-scale: 0;
	}

	html {
		scroll-behavior: auto;
	}

	/* Fallback for CSS outside the token system (core blocks, third-party). */
	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}
}

:focus-visible {
	outline-offset: 3px;
}

.wp-block-navigation :where(a, button):focus-visible {
	outline: 2px solid currentColor;
	outline-offset: 2px;
}

/*
 * Desktop top-level flyouts: animated open/close via visibility, opacity, and
 * transform once a11y-core.js applies `inert` for tab order. Until then, fall
 * back to display:none. Panels open on submenu toggle aria-expanded="true", and
 * on parent :hover only when the device reports real hover (not sticky touch
 * hover). Focusing a primary nav link alone does not reveal the panel.
 */
:root {
	--ursa6-nav-submenu-gap: 0.75rem;
	--ursa6-nav-submenu-duration: calc(0.3s * var(--ursa6-motion-scale));
	--ursa6-nav-submenu-ease: cubic-bezier(0.19, 1, 0.22, 1);
	--ursa6-nav-submenu-offset-y: 1.5rem;
}

/* Hard-hide until inert wiring runs (tab order safe without JS). */
html:not(.ursa6-a11y-nav-ready) .wp-block-navigation:not(.ursa6-nav-is-mobile) .wp-block-navigation__container > .wp-block-navigation-item.has-child:not(
	:has(> .wp-block-navigation-submenu__toggle[aria-expanded="true"])
) > .wp-block-navigation__submenu-container {
	display: none !important;
	visibility: hidden !important;
	height: 0 !important;
	min-height: 0 !important;
	overflow: hidden !important;
	opacity: 0 !important;
	pointer-events: none !important;
	margin: 0 !important;
	padding: 0 !important;
}

@media (hover: hover) and (pointer: fine) {
	html:not(.ursa6-a11y-nav-ready) .wp-block-navigation:not(.ursa6-nav-is-mobile) .wp-block-navigation__container > .wp-block-navigation-item.has-child:hover:not(
		:has(> .wp-block-navigation-submenu__toggle[aria-expanded="true"])
	) > .wp-block-navigation__submenu-container {
		display: block !important;
		visibility: visible !important;
		height: auto !important;
		min-height: auto !important;
		overflow: visible !important;
		opacity: 1 !important;
		pointer-events: auto !important;
	}
}

html.ursa6-a11y-nav-ready .wp-block-navigation:not(.ursa6-nav-is-mobile) .wp-block-navigation__container > .wp-block-navigation-item.has-child {
	position: relative;
}

/* Invisible bridge between trigger and panel so :hover survives the gap. */
html.ursa6-a11y-nav-ready .wp-block-navigation:not(.ursa6-nav-is-mobile) .wp-block-navigation__container > .wp-block-navigation-item.has-child::before {
	content: "";
	position: absolute;
	left: -50%;
	top: 100%;
	width: 200%;
	height: var(--ursa6-nav-submenu-gap);
	pointer-events: none;
}

html.ursa6-a11y-nav-ready .wp-block-navigation:not(.ursa6-nav-is-mobile) .wp-block-navigation__container > .wp-block-navigation-item.has-child:has(
	> .wp-block-navigation-submenu__toggle[aria-expanded="true"]
)::before {
	pointer-events: auto;
}

@media (hover: hover) and (pointer: fine) {
	html.ursa6-a11y-nav-ready .wp-block-navigation:not(.ursa6-nav-is-mobile) .wp-block-navigation__container > .wp-block-navigation-item.has-child:hover::before {
		pointer-events: auto;
	}
}

html.ursa6-a11y-nav-ready .wp-block-navigation:not(.ursa6-nav-is-mobile) .wp-block-navigation__container > .wp-block-navigation-item.has-child > .wp-block-navigation__submenu-container {
	top: calc(100% + var(--ursa6-nav-submenu-gap));
	display: block !important;
	/* Core collapses closed flyouts to 0×0; keep full box during opacity/transform exit. */
	width: auto !important;
	height: auto !important;
	min-width: 200px;
	min-height: auto !important;
	overflow: visible !important;
	will-change: opacity, transform;
	transition:
		opacity var(--ursa6-nav-submenu-duration) ease calc(var(--ursa6-nav-submenu-duration) * 0.15),
		transform var(--ursa6-nav-submenu-duration) var(--ursa6-nav-submenu-ease),
		visibility 0s linear var(--ursa6-nav-submenu-duration);
}

html.ursa6-a11y-nav-ready .wp-block-navigation:not(.ursa6-nav-is-mobile) .wp-block-navigation__container > .wp-block-navigation-item.ursa6-submenu-columns.has-child > .wp-block-navigation__submenu-container {
	display: grid !important;
	min-width: clamp(30rem, 42rem, 92vw);
}

/* Closed by default when the toggle is collapsed. Hover open is gated below. */
html.ursa6-a11y-nav-ready .wp-block-navigation:not(.ursa6-nav-is-mobile) .wp-block-navigation__container > .wp-block-navigation-item.has-child:not(
	:has(> .wp-block-navigation-submenu__toggle[aria-expanded="true"])
) > .wp-block-navigation__submenu-container {
	visibility: hidden;
	opacity: 0;
	pointer-events: none;
	transform: translateY(var(--ursa6-nav-submenu-offset-y));
}

html.ursa6-a11y-nav-ready .wp-block-navigation:not(.ursa6-nav-is-mobile) .wp-block-navigation__container > .wp-block-navigation-item.has-child:has(
	> .wp-block-navigation-submenu__toggle[aria-expanded="true"]
) > .wp-block-navigation__submenu-container {
	visibility: visible;
	opacity: 1;
	pointer-events: auto;
	transform: translateY(0);
	transition:
		opacity var(--ursa6-nav-submenu-duration) ease calc(var(--ursa6-nav-submenu-duration) * 0.08),
		transform calc(var(--ursa6-nav-submenu-duration) * 1.15) var(--ursa6-nav-submenu-ease),
		visibility 0s linear 0s;
}

@media (hover: hover) and (pointer: fine) {
	/* :hover + :not(:has()) must beat the closed rule's :not(:has()) specificity. */
	html.ursa6-a11y-nav-ready .wp-block-navigation:not(.ursa6-nav-is-mobile) .wp-block-navigation__container > .wp-block-navigation-item.has-child:hover:not(
		:has(> .wp-block-navigation-submenu__toggle[aria-expanded="true"])
	) > .wp-block-navigation__submenu-container {
		visibility: visible;
		opacity: 1;
		pointer-events: auto;
		transform: translateY(0);
		transition:
			opacity var(--ursa6-nav-submenu-duration) ease calc(var(--ursa6-nav-submenu-duration) * 0.08),
			transform calc(var(--ursa6-nav-submenu-duration) * 1.15) var(--ursa6-nav-submenu-ease),
			visibility 0s linear 0s;
	}
}

/* Skip link (injected by core when templates include a <main> element) */

#wp-skip-link:focus {
	position: fixed;
	top: 0.75rem;
	left: 0.75rem;
	z-index: 99999;
	width: auto;
	height: auto;
	clip: auto;
	padding: 0.5rem 0.75rem;
	background: var(--wp--preset--color--contrast, #121212);
	color: var(--wp--preset--color--base, #fff);
	border-radius: 0.25rem;
	font-size: var(--wp--preset--font-size--small, 1rem);
	font-weight: 600;
	line-height: 1.2;
	text-decoration: none;
}

/* Visually hidden — WordPress screen-reader-text + URSA6 alias
 * Themes are not required to ship .screen-reader-text; this plugin injects it. */
.screen-reader-text,
.ursa6-sr-only {
	border: 0;
	clip: rect(1px, 1px, 1px, 1px);
	clip-path: inset(50%);
	height: 1px;
	margin: -1px;
	overflow: hidden;
	padding: 0;
	position: absolute;
	width: 1px;
	word-wrap: normal !important;
}

.screen-reader-text:focus {
	background-color: #f1f1f1;
	border-radius: 3px;
	box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
	clip: auto !important;
	clip-path: none;
	color: #21759b;
	display: block;
	font-size: 0.875rem;
	font-weight: 700;
	height: auto;
	left: 5px;
	line-height: normal;
	padding: 15px 23px 14px;
	text-decoration: none;
	top: 5px;
	width: auto;
	z-index: 100000;
}

/* External link indicator
-------------------------------------------------------------- */
.is-external-link {
	display: inline-flex;
	align-items: center;
	gap: 0.15em;

	& .external-link-icon {
		flex-shrink: 0;
		width: 0.6em;
		height: 0.6em;
		opacity: 0.7;
	}
}

.wp-block-navigation-item__content.is-external-link {
	display: flex;

	& .wp-block-navigation-item__label {
		display: inline-flex;
		align-items: center;
		gap: 0.15em;
	}
}