/* ============================================================
   12-ACCESSIBILITY-TOOLBAR.CSS
   Purpose:  Accessibility settings panel + toggle effect rules
   Scope:    Global (loads on every page)
   Depends:  01-core-tokens-base.css
   Updated:  2026-03-25

   TABLE OF CONTENTS:
   1.  Accessibility Button (header bar)
   2.  Panel Container (dropdown / mobile slide-down)
   3.  Panel Toggle Rows
   4.  Panel Reset Button
   5.  Panel Close Button
   6.  Responsive Breakpoints (768px, 480px)
   7.  Toggle Effects — Text Scale
   8.  Toggle Effects — Line Height
   9.  Toggle Effects — Letter Spacing
   10. Toggle Effects — Grayscale
   11. Toggle Effects — Simplify Images
   12. Toggle Effects — Enlarge Targets
   13. Reduced Motion
============================================================ */


/* ============================================================
   1. ACCESSIBILITY BUTTON (in header controls row)
   Same glassmorphic styling as the old theme toggle —
   44px min-width, 38px height, matching border treatment.
============================================================ */
.gprs-a11y-toggle,
#gprs-a11y-toggle {
	display: inline-flex !important;
	align-items: center !important;
	justify-content: center !important;
	padding: 0 !important;
	border-radius: var(--radius-sm) !important;
	background: rgba(255, 255, 255, 0.06) !important;
	border: 1px solid rgba(255, 255, 255, 0.18) !important;
	cursor: pointer !important;
	transition:
		background var(--anim-fast),
		border-color var(--anim-fast) !important;
	min-width: 44px !important;
	height: 38px !important;
	position: relative !important;
	color: var(--clr-nav-btn-text) !important;
	white-space: nowrap !important;
	box-shadow: none !important;
	flex-shrink: 0 !important;
}

.gprs-a11y-toggle:hover,
#gprs-a11y-toggle:hover {
	background: rgba(255, 255, 255, 0.12) !important;
	border-color: rgba(255, 255, 255, 0.30) !important;
}

.gprs-a11y-toggle[aria-expanded="true"] {
	background: rgba(255, 255, 255, 0.16) !important;
	border-color: rgba(255, 255, 255, 0.35) !important;
}

.gprs-a11y-toggle svg {
	display: block;
	width: 20px;
	height: 20px;
	flex-shrink: 0;
}

/* Light-mode variant */
html:not(.gprs-dark) .gprs-a11y-toggle,
html:not(.gprs-dark) #gprs-a11y-toggle {
	background: rgba(0, 0, 0, 0.04) !important;
	border-color: rgba(0, 0, 0, 0.12) !important;
	color: #374151 !important;
}

html:not(.gprs-dark) .gprs-a11y-toggle:hover,
html:not(.gprs-dark) #gprs-a11y-toggle:hover {
	background: rgba(0, 0, 0, 0.08) !important;
	border-color: rgba(0, 0, 0, 0.20) !important;
}

html:not(.gprs-dark) .gprs-a11y-toggle[aria-expanded="true"] {
	background: rgba(0, 102, 204, 0.08) !important;
	border-color: rgba(0, 102, 204, 0.25) !important;
	color: var(--clr-accent) !important;
}


/* ============================================================
   2. PANEL CONTAINER
   Desktop: positioned below the button (absolute).
   Mobile:  nearly full-width slide-down below header.
============================================================ */
.gprs-a11y-panel {
	position: absolute;
	top: calc(100% + 8px);
	right: 0;
	z-index: 1050;
	width: 320px;
	max-height: calc(100vh - var(--header-height) - 24px);
	overflow-y: auto;
	-webkit-overflow-scrolling: touch;

	background: linear-gradient(
		165deg,
		rgba(15, 23, 42, 0.96),
		rgba(30, 41, 59, 0.96)
	);
	backdrop-filter: blur(20px);
	-webkit-backdrop-filter: blur(20px);
	border: 1px solid rgba(255, 255, 255, 0.12);
	border-radius: var(--radius-md, 14px);
	box-shadow:
		0 8px 32px rgba(0, 0, 0, 0.35),
		0 2px 8px rgba(0, 0, 0, 0.20);

	padding: 1rem 1rem 0.75rem;

	/* Closed state */
	opacity: 0;
	visibility: hidden;
	transform: translateY(-8px);
	pointer-events: none;

	transition:
		opacity 0.2s ease,
		transform 0.2s ease,
		visibility 0s linear 0.2s;
}

/* Open state */
.gprs-a11y-panel.gprs-a11y-panel--open {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
	pointer-events: auto;
	transition:
		opacity 0.2s ease,
		transform 0.2s ease,
		visibility 0s linear 0s;
}

/* Light-mode panel */
html:not(.gprs-dark) .gprs-a11y-panel {
	background: linear-gradient(
		165deg,
		rgba(255, 255, 255, 0.97),
		rgba(248, 250, 252, 0.97)
	);
	border-color: rgba(0, 0, 0, 0.10);
	box-shadow:
		0 8px 32px rgba(0, 0, 0, 0.12),
		0 2px 8px rgba(0, 0, 0, 0.06);
}

/* Panel heading */
.gprs-a11y-panel-heading {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin: 0 0 0.75rem;
	padding: 0 0 0.5rem;
	border-bottom: 1px solid rgba(255, 255, 255, 0.10);
}

html:not(.gprs-dark) .gprs-a11y-panel-heading {
	border-bottom-color: rgba(0, 0, 0, 0.08);
}

.gprs-a11y-panel-title {
	font-size: 0.82rem;
	font-weight: 700;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: rgba(255, 255, 255, 0.70);
	margin: 0;
}

html:not(.gprs-dark) .gprs-a11y-panel-title {
	color: rgba(0, 0, 0, 0.55);
}


/* ============================================================
   3. PANEL TOGGLE ROWS
============================================================ */
.gprs-a11y-row {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 0.6rem 0.5rem;
	margin-bottom: 2px;
	border-radius: var(--radius-sm, 8px);
	transition: background 0.15s ease;
	gap: 0.75rem;
}

.gprs-a11y-row:hover {
	background: rgba(255, 255, 255, 0.06);
}

html:not(.gprs-dark) .gprs-a11y-row:hover {
	background: rgba(0, 0, 0, 0.03);
}

/* Row label */
.gprs-a11y-row-label {
	font-size: 0.92rem;
	font-weight: 500;
	color: rgba(255, 255, 255, 0.90);
	flex: 1;
	min-width: 0;
}

html:not(.gprs-dark) .gprs-a11y-row-label {
	color: #1f2937;
}

/* Row status badge (shows "Large", "On", etc.) */
.gprs-a11y-row-status {
	font-size: 0.78rem;
	font-weight: 600;
	color: rgba(255, 255, 255, 0.50);
	flex-shrink: 0;
	margin-right: 0.5rem;
}

html:not(.gprs-dark) .gprs-a11y-row-status {
	color: rgba(0, 0, 0, 0.40);
}

.gprs-a11y-row-status--active {
	color: #60a5fa;
}

html:not(.gprs-dark) .gprs-a11y-row-status--active {
	color: var(--clr-accent, #0066CC);
}

/* Toggle switch */
.gprs-a11y-switch {
	position: relative;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	width: 44px;
	height: 26px;
	background: rgba(255, 255, 255, 0.12);
	border: 1px solid rgba(255, 255, 255, 0.20);
	border-radius: 999px;
	cursor: pointer;
	padding: 0;
	transition:
		background 0.2s ease,
		border-color 0.2s ease;
}

.gprs-a11y-switch::after {
	content: '';
	position: absolute;
	left: 3px;
	top: 50%;
	transform: translateY(-50%);
	width: 18px;
	height: 18px;
	background: rgba(255, 255, 255, 0.80);
	border-radius: 50%;
	transition: transform 0.2s ease, background 0.2s ease;
}

/* Switch ON state */
.gprs-a11y-switch[aria-pressed="true"],
.gprs-a11y-switch[aria-checked="true"] {
	background: var(--clr-accent, #0066CC);
	border-color: var(--clr-accent, #0066CC);
}

.gprs-a11y-switch[aria-pressed="true"]::after,
.gprs-a11y-switch[aria-checked="true"]::after {
	transform: translateY(-50%) translateX(18px);
	background: #ffffff;
}

/* Light-mode switch */
html:not(.gprs-dark) .gprs-a11y-switch {
	background: rgba(0, 0, 0, 0.08);
	border-color: rgba(0, 0, 0, 0.15);
}

html:not(.gprs-dark) .gprs-a11y-switch::after {
	background: #ffffff;
	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.20);
}

html:not(.gprs-dark) .gprs-a11y-switch[aria-pressed="true"],
html:not(.gprs-dark) .gprs-a11y-switch[aria-checked="true"] {
	background: var(--clr-accent, #0066CC);
	border-color: var(--clr-accent, #0066CC);
}

/* Cycle button (for text size — cycles through steps) */
.gprs-a11y-cycle {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	min-width: 44px;
	height: 30px;
	padding: 0 0.65rem;
	background: rgba(255, 255, 255, 0.10);
	border: 1px solid rgba(255, 255, 255, 0.18);
	border-radius: var(--radius-sm, 8px);
	color: rgba(255, 255, 255, 0.90);
	font-size: 0.78rem;
	font-weight: 600;
	cursor: pointer;
	transition:
		background 0.15s ease,
		border-color 0.15s ease;
	white-space: nowrap;
}

.gprs-a11y-cycle:hover {
	background: rgba(255, 255, 255, 0.16);
	border-color: rgba(255, 255, 255, 0.28);
}

html:not(.gprs-dark) .gprs-a11y-cycle {
	background: rgba(0, 0, 0, 0.04);
	border-color: rgba(0, 0, 0, 0.12);
	color: #374151;
}

html:not(.gprs-dark) .gprs-a11y-cycle:hover {
	background: rgba(0, 0, 0, 0.08);
	border-color: rgba(0, 0, 0, 0.20);
}

/* Cycle button active state (not default) */
.gprs-a11y-cycle--active {
	background: rgba(0, 102, 204, 0.15);
	border-color: rgba(0, 102, 204, 0.35);
	color: #60a5fa;
}

html:not(.gprs-dark) .gprs-a11y-cycle--active {
	background: rgba(0, 102, 204, 0.08);
	border-color: rgba(0, 102, 204, 0.25);
	color: var(--clr-accent, #0066CC);
}


/* ============================================================
   4. PANEL RESET BUTTON
============================================================ */
.gprs-a11y-reset {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	margin-top: 0.5rem;
	padding: 0.55rem 0;
	border: 1px solid rgba(255, 255, 255, 0.12);
	border-radius: var(--radius-sm, 8px);
	background: transparent;
	color: rgba(255, 255, 255, 0.55);
	font-size: 0.82rem;
	font-weight: 600;
	cursor: pointer;
	transition:
		background 0.15s ease,
		color 0.15s ease,
		border-color 0.15s ease;
}

.gprs-a11y-reset:hover {
	background: rgba(255, 255, 255, 0.08);
	color: rgba(255, 255, 255, 0.80);
	border-color: rgba(255, 255, 255, 0.22);
}

html:not(.gprs-dark) .gprs-a11y-reset {
	border-color: rgba(0, 0, 0, 0.10);
	color: rgba(0, 0, 0, 0.45);
}

html:not(.gprs-dark) .gprs-a11y-reset:hover {
	background: rgba(0, 0, 0, 0.04);
	color: rgba(0, 0, 0, 0.65);
	border-color: rgba(0, 0, 0, 0.18);
}


/* ============================================================
   5. PANEL CLOSE BUTTON (mobile only — X in top-right)
============================================================ */
.gprs-a11y-panel-close {
	display: none;
	align-items: center;
	justify-content: center;
	width: 32px;
	height: 32px;
	padding: 0;
	border: none;
	border-radius: var(--radius-sm, 8px);
	background: rgba(255, 255, 255, 0.08);
	color: rgba(255, 255, 255, 0.60);
	cursor: pointer;
	flex-shrink: 0;
	transition:
		background 0.15s ease,
		color 0.15s ease;
}

.gprs-a11y-panel-close:hover {
	background: rgba(255, 255, 255, 0.15);
	color: rgba(255, 255, 255, 0.90);
}

html:not(.gprs-dark) .gprs-a11y-panel-close {
	background: rgba(0, 0, 0, 0.04);
	color: rgba(0, 0, 0, 0.40);
}

html:not(.gprs-dark) .gprs-a11y-panel-close:hover {
	background: rgba(0, 0, 0, 0.08);
	color: rgba(0, 0, 0, 0.65);
}

.gprs-a11y-panel-close svg {
	width: 16px;
	height: 16px;
}


/* ============================================================
   6. RESPONSIVE BREAKPOINTS
============================================================ */

/* ---- 1024px and below: panel goes nearly full-width ---- */
@media (max-width: 1024px) {
	.gprs-a11y-panel {
		position: fixed;
		top: var(--header-height);
		left: 0;
		right: 0;
		width: 100%;
		max-width: 100%;
		border-radius: 0 0 var(--radius-md, 14px) var(--radius-md, 14px);
		transform: translateY(-12px);
	}

	.gprs-a11y-panel.gprs-a11y-panel--open {
		transform: translateY(0);
	}

	.gprs-a11y-panel-close {
		display: flex;
	}
}

/* ---- 768px: tighter spacing ---- */
@media (max-width: 768px) {
	.gprs-a11y-panel {
		top: 65px;
		padding: 0.85rem 0.85rem 0.65rem;
	}

	.gprs-a11y-toggle,
	#gprs-a11y-toggle {
		height: 36px !important;
		min-width: 40px !important;
	}

	.gprs-a11y-toggle svg {
		width: 18px;
		height: 18px;
	}

	.gprs-a11y-row {
		padding: 0.5rem 0.35rem;
	}

	.gprs-a11y-row-label {
		font-size: 0.88rem;
	}
}

/* ---- 480px: compact ---- */
@media (max-width: 480px) {
	.gprs-a11y-panel {
		top: 60px;
		padding: 0.75rem 0.65rem 0.5rem;
	}

	.gprs-a11y-toggle,
	#gprs-a11y-toggle {
		height: 34px !important;
		min-width: 38px !important;
	}

	.gprs-a11y-toggle svg {
		width: 17px;
		height: 17px;
	}

	.gprs-a11y-row-label {
		font-size: 0.84rem;
	}

	.gprs-a11y-switch {
		width: 40px;
		height: 24px;
	}

	.gprs-a11y-switch::after {
		width: 16px;
		height: 16px;
	}

	.gprs-a11y-switch[aria-pressed="true"]::after,
	.gprs-a11y-switch[aria-checked="true"]::after {
		transform: translateY(-50%) translateX(16px);
	}
}


/* ============================================================
   7. TOGGLE EFFECTS — TEXT SCALE
   CSS variable on :root, applied to body font-size.
   Steps: 1 (default) → 1.15 (large) → 1.3 (extra large)
============================================================ */
body {
	font-size: calc(1rem * var(--gprs-text-scale, 1));
}


/* ============================================================
   8. TOGGLE EFFECTS — LINE HEIGHT
   CSS variable adds a boost to the base line-height.
============================================================ */
body {
	line-height: calc(1.6 + var(--gprs-line-height-boost, 0));
}


/* ============================================================
   9. TOGGLE EFFECTS — LETTER SPACING
============================================================ */
html.gprs-wide-spacing body {
	letter-spacing: 0.03em;
}

html.gprs-wide-spacing body * {
	letter-spacing: inherit;
}


/* ============================================================
   10. TOGGLE EFFECTS — GRAYSCALE
============================================================ */
html.gprs-grayscale {
	filter: grayscale(1);
}


/* ============================================================
   11. TOGGLE EFFECTS — SIMPLIFY IMAGES
   Hides <img> and shows alt-text placeholder boxes.
   Does NOT use display:none — replaces with styled alt text.
============================================================ */
html.gprs-simplify-images img:not(.logo img):not([aria-hidden="true"]) {
	position: absolute !important;
	width: 1px !important;
	height: 1px !important;
	overflow: hidden !important;
	clip: rect(0, 0, 0, 0) !important;
	clip-path: inset(50%) !important;
	white-space: nowrap !important;
}

/* The JS inserts .gprs-alt-placeholder spans after each image */
.gprs-alt-placeholder {
	display: none;
}

html.gprs-simplify-images .gprs-alt-placeholder {
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 80px;
	padding: 1rem 1.25rem;
	border-radius: var(--radius-sm, 8px);
	border: 2px dashed rgba(255, 255, 255, 0.20);
	background: rgba(255, 255, 255, 0.04);
	color: rgba(255, 255, 255, 0.65);
	font-size: 0.88rem;
	font-style: italic;
	text-align: center;
	word-break: break-word;
}

html:not(.gprs-dark).gprs-simplify-images .gprs-alt-placeholder {
	border-color: rgba(0, 0, 0, 0.15);
	background: rgba(0, 0, 0, 0.03);
	color: rgba(0, 0, 0, 0.50);
}

/* Keep logo visible even in simplify mode */
html.gprs-simplify-images .logo img {
	position: static !important;
	width: auto !important;
	height: auto !important;
	overflow: visible !important;
	clip: auto !important;
	clip-path: none !important;
	white-space: normal !important;
}


/* ============================================================
   12. TOGGLE EFFECTS — ENLARGE TARGETS
   Scoped to main content links/buttons, nav links, form controls.
   Excludes small utility controls.
============================================================ */
html.gprs-enlarge-targets .entry-content a,
html.gprs-enlarge-targets .ast-article-post a,
html.gprs-enlarge-targets .page-content a,
html.gprs-enlarge-targets main a:not(.gprs-tl-lb-dot):not(.header-search-btn):not(.gprs-tl-lb-close):not(.gprs-tl-lb-arrow):not(.gprs-a11y-toggle):not(.gprs-a11y-switch):not(.gprs-a11y-cycle):not(.gprs-a11y-reset):not(.gprs-a11y-panel-close):not(.mobile-toggle):not(.gprs-tl-lb-prev):not(.gprs-tl-lb-next):not(.gprs-tl-lb-entry-prev):not(.gprs-tl-lb-entry-next):not(.skip-link):not(.logo),
html.gprs-enlarge-targets .mobile-menu a,
html.gprs-enlarge-targets .nav-desktop a[role="menuitem"] {
	padding: 0.75em 1em;
	font-size: 1.08em;
	min-height: 48px;
	display: inline-flex;
	align-items: center;
}

html.gprs-enlarge-targets main button:not(.gprs-tl-lb-dot):not(.header-search-btn):not(.gprs-tl-lb-close):not(.gprs-a11y-toggle):not(.gprs-a11y-switch):not(.gprs-a11y-cycle):not(.gprs-a11y-reset):not(.gprs-a11y-panel-close):not(.mobile-toggle):not(#mobile-menu-toggle):not(.gprs-tl-lb-prev):not(.gprs-tl-lb-next):not(.gprs-tl-lb-entry-prev):not(.gprs-tl-lb-entry-next):not(.gprs-tl-card):not(.nav-link-submenu) {
	padding: 0.75em 1.25em;
	font-size: 1.05em;
	min-height: 48px;
}

html.gprs-enlarge-targets .wpforms-submit,
html.gprs-enlarge-targets input[type="submit"] {
	padding: 0.85em 1.5em !important;
	font-size: 1.08em !important;
	min-height: 52px !important;
}


/* ============================================================
   13. REDUCED MOTION
   Respects prefers-reduced-motion for panel open/close.
============================================================ */
@media (prefers-reduced-motion: reduce) {
	.gprs-a11y-panel {
		transition: none;
	}

	.gprs-a11y-switch::after {
		transition: none;
	}
}