/*
 * bBlocks — front-end modules.
 * Loaded only when at least one module is enabled in the theme dashboard.
 */

/* ---------- Floating buttons ---------- */
.bblocks-floating {
	position: fixed;
	bottom: max(1.25rem, env(safe-area-inset-bottom));
	z-index: 90;
	display: flex;
	flex-direction: column;
	gap: 0.6rem;
}

.bblocks-floating--end {
	right: max(1.25rem, env(safe-area-inset-right));
}

.bblocks-floating--start {
	left: max(1.25rem, env(safe-area-inset-left));
}

.bblocks-fab {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 3rem;
	height: 3rem;
	padding: 0;
	border: 0;
	border-radius: 999px;
	background: var(--wp--preset--color--foreground, #14171a);
	color: var(--wp--preset--color--background, #fff);
	/* The thin ring keeps the button visible over a footer of the same color. */
	box-shadow: 0 0 0 1px color-mix(in srgb, var(--wp--preset--color--background, #fff) 22%, transparent), 0 12px 24px rgba(0, 0, 0, 0.2);
	cursor: pointer;
	text-decoration: none;
	transition: transform 0.2s ease, background-color 0.2s ease, opacity 0.2s ease;
}

.bblocks-fab:hover {
	background: var(--wp--preset--color--primary, #2954e3);
	color: var(--wp--preset--color--background, #fff);
	transform: translateY(-2px);
}

.bblocks-fab:focus-visible {
	outline: 2px solid var(--wp--preset--color--primary, #2954e3);
	outline-offset: 3px;
}

.bblocks-fab[hidden] {
	display: none;
}

.bblocks-fab--chat {
	background: #128c4b;
}

/* ---------- Back to top ---------- */
.bblocks-back-to-top.is-entering {
	opacity: 0;
	transform: translateY(8px);
}

/* ---------- Dark mode toggle ---------- */
/* Moon while the page is light, sun while it is dark. */
.bblocks-theme-toggle span {
	display: inline-flex;
}

.bblocks-theme-toggle .bblocks-theme-toggle__light,
.bblocks-is-dark .bblocks-theme-toggle .bblocks-theme-toggle__dark {
	display: none;
}

.bblocks-is-dark .bblocks-theme-toggle .bblocks-theme-toggle__light {
	display: inline-flex;
}

/* Button block style "Dark mode toggle". */
.wp-block-button.is-style-theme-toggle .wp-block-button__link {
	cursor: pointer;
}

html.bblocks-scheme-transition,
html.bblocks-scheme-transition * {
	transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease !important;
}

/* ---------- Reading progress ---------- */
.bblocks-reading-progress {
	position: fixed;
	top: var(--wp-admin--admin-bar--height, 0px);
	left: 0;
	right: 0;
	height: 4px;
	z-index: 100;
	pointer-events: none;
}

.bblocks-reading-progress__bar {
	display: block;
	height: 100%;
	width: 100%;
	transform: scaleX(var(--bblocks-progress, 0));
	transform-origin: 0 50%;
	background: linear-gradient(90deg, var(--wp--preset--color--primary, #2954e3), var(--wp--preset--color--secondary, #0ea5a4));
}

/* ---------- Smart sticky header ---------- */
.bblocks-has-smart-header .wp-site-blocks > header.wp-block-template-part {
	position: sticky;
	top: var(--wp-admin--admin-bar--height, 0px);
	z-index: 60;
	background-color: var(--wp--preset--color--background, #fff);
	transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.bblocks-has-smart-header .wp-site-blocks > header.wp-block-template-part.is-scrolled {
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.bblocks-has-smart-header .wp-site-blocks > header.wp-block-template-part.is-hidden {
	transform: translateY(-100%);
}

/* ---------- Scroll animations ---------- */
.bblocks-animations-ready .bblocks-reveal {
	opacity: 0;
	transform: translateY(24px);
	transition: opacity 0.6s ease, transform 0.6s ease;
}

.bblocks-animations-ready .bblocks-reveal.is-visible {
	opacity: 1;
	transform: none;
}

/* ---------- Footer reveal ---------- */
.bblocks-footer-reveal-ready .wp-site-blocks > :not(footer) {
	/* flow-root keeps the last section's bottom margin inside this painted
	   area, so content never sits flush against the revealed footer. */
	display: flow-root;
	position: relative;
	z-index: 1;
	background-color: var(--wp--preset--color--background, #fff);
}

.bblocks-footer-reveal-ready .wp-site-blocks > footer.wp-block-template-part {
	position: fixed;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: 0;
}

.bblocks-footer-reveal-ready .wp-site-blocks {
	margin-bottom: var(--bblocks-footer-height, 0px);
}

/* ---------- Small screens ---------- */
@media (max-width: 600px) {
	.bblocks-floating {
		gap: 0.45rem;
		bottom: max(0.75rem, env(safe-area-inset-bottom));
	}

	.bblocks-floating--end {
		right: max(0.75rem, env(safe-area-inset-right));
	}

	.bblocks-floating--start {
		left: max(0.75rem, env(safe-area-inset-left));
	}

	.bblocks-fab {
		width: 2.5rem;
		height: 2.5rem;
	}
}

@media print {
	.bblocks-floating,
	.bblocks-reading-progress {
		display: none !important;
	}
}

@media (prefers-reduced-motion: reduce) {
	.bblocks-fab,
	.bblocks-animations-ready .bblocks-reveal,
	.bblocks-has-smart-header .wp-site-blocks > header.wp-block-template-part {
		transition: none !important;
	}

	.bblocks-animations-ready .bblocks-reveal {
		opacity: 1;
		transform: none;
	}
}

/* ---------- Announcement bar ---------- */
.bblocks-announcement {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 0.75rem;
	padding: 0.55rem 3rem 0.55rem 1rem;
	position: relative;
	background: var( --wp--preset--color--primary, #2954e3 );
	color: var( --wp--preset--color--background, #fff );
	font-size: var( --wp--preset--font-size--small, 0.875rem );
	line-height: 1.4;
	text-align: center;
}

.bblocks-announcement[hidden] {
	display: none;
}

.bblocks-announcement__text {
	margin: 0;
}

.bblocks-announcement__link {
	color: inherit;
	font-weight: 700;
	text-decoration: underline;
	text-underline-offset: 0.2em;
}

.bblocks-announcement__close {
	position: absolute;
	top: 50%;
	right: 0.5rem;
	transform: translateY( -50% );
	width: 2rem;
	height: 2rem;
	border: 0;
	border-radius: 999px;
	background: transparent;
	color: inherit;
	font-size: 1.25rem;
	line-height: 1;
	cursor: pointer;
}

.bblocks-announcement__close:hover {
	background: rgba( 255, 255, 255, 0.15 );
}

.bblocks-announcement a:focus-visible,
.bblocks-announcement__close:focus-visible {
	outline: 2px solid currentColor;
	outline-offset: 2px;
}

/* ---------- Table of contents ---------- */
.bblocks-toc {
	max-width: var( --wp--style--global--content-size, 768px );
	margin-left: auto !important;
	margin-right: auto !important;
	margin-bottom: var( --wp--preset--spacing--large, 2.5rem );
	padding: var( --wp--preset--spacing--small, 1rem ) var( --wp--preset--spacing--medium, 1.5rem );
	border: 1px solid var( --wp--preset--color--border-color, #e3e6ea );
	border-radius: 0.75rem;
	background: var( --wp--preset--color--surface, #f5f6f8 );
}

.bblocks-toc summary {
	cursor: pointer;
	font-weight: 700;
}

.bblocks-toc ol {
	margin: 0.75rem 0 0;
	padding-left: 1.25rem;
	font-size: var( --wp--preset--font-size--small, 0.875rem );
}

.bblocks-toc li + li {
	margin-top: 0.35rem;
}

.bblocks-toc .is-level-3 {
	margin-left: 1rem;
	list-style-type: circle;
}

/* Keep headings clear of a sticky header when jumping to them. */
.wp-block-post-content :is( h2, h3 )[id] {
	scroll-margin-top: 6rem;
}

@media print {
	.bblocks-announcement {
		display: none !important;
	}
}