/*
 * D2i Accessibility Toolkit — Widget UI Styles
 * Uses CSS custom properties for easy theming.
 * The widget is completely isolated — never affected by its own features.
 *
 * @package D2i_Accessibility_Toolkit
 */

/* =====================================================================
   CSS CUSTOM PROPERTIES (overridden by inline style in PHP)
   ===================================================================== */

:root {
	--d2i-a11y-brand:        #003366;
	--d2i-a11y-brand-hover:  #00255a;
	--d2i-a11y-brand-text:   #ffffff;
	--d2i-a11y-trigger-size: 56px;
	--d2i-a11y-panel-width:  360px;
	--d2i-a11y-panel-radius: 12px;
	--d2i-a11y-shadow:       0 8px 32px rgba(0,0,0,0.18), 0 2px 8px rgba(0,0,0,0.1);
	--d2i-a11y-tile-bg:      #f5f7fa;
	--d2i-a11y-tile-active:  #003366;
	--d2i-a11y-tile-active-text: #ffffff;
	--d2i-a11y-focus-ring:   0 0 0 3px #0066cc;
	--d2i-a11y-anim-dur:     0.25s;
	/* Position (overridden per admin setting) */
	--d2i-a11y-bottom:       24px;
	--d2i-a11y-right:        24px;
	--d2i-a11y-top:          auto;
	--d2i-a11y-left:         auto;
}

/* =====================================================================
   WRAPPER — isolation from page filters
   ===================================================================== */

#d2i-a11y-wrapper {
	/* Reset inherited styles */
	all: initial;
	/* Re-apply essentials */
	position: fixed !important;
	bottom: var(--d2i-a11y-bottom) !important;
	right:  var(--d2i-a11y-right)  !important;
	top:    var(--d2i-a11y-top)    !important;
	left:   var(--d2i-a11y-left)   !important;
	z-index: 2147483647 !important;
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif !important;
	font-size: 16px !important;
	line-height: 1.5 !important;
	color: #1a1a1a !important;
	box-sizing: border-box !important;
	isolation: isolate !important;
	/* Middle-position vertical centering */
	transform: var(--d2i-a11y-transform, none) !important;
}

/* Middle-left / middle-right vertical centering */
#d2i-a11y-wrapper.d2i-a11y-pos-middle-right,
#d2i-a11y-wrapper.d2i-a11y-pos-middle-left {
	--d2i-a11y-transform: translateY(-50%);
}

/* =====================================================================
   SKIP LINK
   ===================================================================== */

.d2i-a11y-skip-link {
	position: absolute !important;
	top: -100px !important;
	left: 0 !important;
	z-index: 2147483646 !important;
	background: var(--d2i-a11y-brand) !important;
	color: #ffffff !important;
	padding: 12px 24px !important;
	font-size: 16px !important;
	text-decoration: none !important;
	border-radius: 0 0 8px 0 !important;
	transition: top var(--d2i-a11y-anim-dur) !important;
}

.d2i-a11y-skip-link:focus {
	top: 0 !important;
}

/* =====================================================================
   TRIGGER BUTTON
   ===================================================================== */

.d2i-a11y-trigger {
	width:  var(--d2i-a11y-trigger-size) !important;
	height: var(--d2i-a11y-trigger-size) !important;
	border-radius: 50% !important;
	background: var(--d2i-a11y-brand) !important;
	color: var(--d2i-a11y-brand-text) !important;
	border: none !important;
	cursor: pointer !important;
	display: flex !important;
	align-items: center !important;
	justify-content: center !important;
	box-shadow: var(--d2i-a11y-shadow) !important;
	padding: 0 !important;
	margin: 0 !important;
	transition: background var(--d2i-a11y-anim-dur), transform var(--d2i-a11y-anim-dur), box-shadow var(--d2i-a11y-anim-dur) !important;
	-webkit-tap-highlight-color: transparent !important;
}

.d2i-a11y-trigger:hover {
	background: var(--d2i-a11y-brand-hover) !important;
	transform: scale(1.08) !important;
}

.d2i-a11y-trigger:focus-visible {
	outline: none !important;
	box-shadow: var(--d2i-a11y-shadow), var(--d2i-a11y-focus-ring) !important;
}

.d2i-a11y-trigger[aria-expanded="true"] {
	background: var(--d2i-a11y-brand-hover) !important;
	transform: scale(1.04) !important;
}

/* =====================================================================
   PANEL
   ===================================================================== */

.d2i-a11y-panel {
	position: absolute !important;
	bottom: calc(var(--d2i-a11y-trigger-size) + 12px) !important;
	right: 0 !important;
	width: var(--d2i-a11y-panel-width) !important;
	max-height: 80vh !important;
	background: #ffffff !important;
	border-radius: var(--d2i-a11y-panel-radius) !important;
	box-shadow: var(--d2i-a11y-shadow) !important;
	display: none !important;
	flex-direction: column !important;
	overflow: hidden !important;
	/* Slide-in animation */
	opacity: 0 !important;
	transform: translateY(12px) scale(0.97) !important;
	pointer-events: none !important;
	transition:
		opacity var(--d2i-a11y-anim-dur) ease,
		transform var(--d2i-a11y-anim-dur) ease !important;
}

/* Left-side panel positions */
#d2i-a11y-wrapper.d2i-a11y-pos-bottom-left .d2i-a11y-panel,
#d2i-a11y-wrapper.d2i-a11y-pos-top-left    .d2i-a11y-panel,
#d2i-a11y-wrapper.d2i-a11y-pos-middle-left .d2i-a11y-panel {
	right: auto !important;
	left: 0 !important;
}

/* Top-anchor panel positions */
#d2i-a11y-wrapper.d2i-a11y-pos-top-right  .d2i-a11y-panel,
#d2i-a11y-wrapper.d2i-a11y-pos-top-left   .d2i-a11y-panel {
	bottom: auto !important;
	top: calc(var(--d2i-a11y-trigger-size) + 12px) !important;
	transform: translateY(-12px) scale(0.97) !important;
}

.d2i-a11y-panel.d2i-a11y-panel-open {
	display: flex !important;
	opacity: 1 !important;
	transform: none !important;
	pointer-events: auto !important;
}

/* Respect prefers-reduced-motion. */
@media (prefers-reduced-motion: reduce) {
	.d2i-a11y-trigger,
	.d2i-a11y-panel {
		transition: none !important;
	}
}

/* =====================================================================
   PANEL HEADER
   ===================================================================== */

.d2i-a11y-panel-header {
	display: flex !important;
	align-items: center !important;
	gap: 10px !important;
	padding: 14px 16px !important;
	background: var(--d2i-a11y-brand) !important;
	color: #ffffff !important;
	flex-shrink: 0 !important;
}

.d2i-a11y-logo {
	color: #ffffff !important;
	flex-shrink: 0 !important;
}

.d2i-a11y-panel-title {
	flex: 1 1 auto !important;
	margin: 0 !important;
	font-size: 16px !important;
	font-weight: 600 !important;
	color: #ffffff !important;
	line-height: 1.2 !important;
}

.d2i-a11y-close-btn {
	flex-shrink: 0 !important;
	width: 36px !important;
	height: 36px !important;
	border-radius: 50% !important;
	background: rgba(255,255,255,0.15) !important;
	border: none !important;
	color: #ffffff !important;
	cursor: pointer !important;
	display: flex !important;
	align-items: center !important;
	justify-content: center !important;
	padding: 0 !important;
	transition: background var(--d2i-a11y-anim-dur) !important;
}

.d2i-a11y-close-btn:hover {
	background: rgba(255,255,255,0.3) !important;
}

.d2i-a11y-close-btn:focus-visible {
	outline: 3px solid #ffffff !important;
	outline-offset: 2px !important;
}

/* =====================================================================
   PANEL BODY
   ===================================================================== */

.d2i-a11y-panel-body {
	flex: 1 1 auto !important;
	overflow-y: auto !important;
	overflow-x: hidden !important;
	padding: 0 !important;
	display: flex !important;
	flex-direction: column !important;
	-webkit-overflow-scrolling: touch !important;
}

/* Force [hidden] to work even when display is set with !important. */
#d2i-a11y-panel-body[hidden],
.d2i-a11y-statement-view[hidden] {
	display: none !important;
}

/* =====================================================================
   PROFILES SECTION
   ===================================================================== */

.d2i-a11y-profiles-section {
	padding: 10px 12px 8px !important;
	border-bottom: 1px solid #e8e8e8 !important;
	background: #f8f9fb !important;
}

.d2i-a11y-profiles-label {
	font-size: 10px !important;
	font-weight: 700 !important;
	text-transform: uppercase !important;
	letter-spacing: 0.06em !important;
	color: #888 !important;
	margin: 0 0 6px !important;
}

.d2i-a11y-profiles-grid {
	display: grid !important;
	grid-template-columns: 1fr 1fr !important;
	gap: 6px !important;
}

.d2i-a11y-profile-btn {
	display: flex !important;
	align-items: center !important;
	gap: 6px !important;
	padding: 7px 10px !important;
	background: #ffffff !important;
	border: 1.5px solid #ddd !important;
	border-radius: 8px !important;
	cursor: pointer !important;
	font-size: 11px !important;
	font-weight: 600 !important;
	color: #333 !important;
	text-align: left !important;
	transition: background var(--d2i-a11y-anim-dur), border-color var(--d2i-a11y-anim-dur) !important;
	min-height: 44px !important;
	-webkit-tap-highlight-color: transparent !important;
}

.d2i-a11y-profile-btn:hover {
	background: #f0f4ff !important;
	border-color: var(--d2i-a11y-brand) !important;
}

.d2i-a11y-profile-btn:focus-visible {
	outline: none !important;
	box-shadow: var(--d2i-a11y-focus-ring) !important;
	border-color: #0066cc !important;
}

.d2i-a11y-profile-btn.d2i-a11y-active {
	background: var(--d2i-a11y-tile-active) !important;
	color: var(--d2i-a11y-tile-active-text) !important;
	border-color: transparent !important;
}

.d2i-a11y-profile-icon {
	flex-shrink: 0 !important;
	width: 22px !important;
	height: 22px !important;
	display: flex !important;
	align-items: center !important;
	justify-content: center !important;
}

/* =====================================================================
   FEATURES GRID (inside panel body)
   ===================================================================== */

.d2i-a11y-features-grid {
	padding: 12px !important;
	display: grid !important;
	grid-template-columns: 1fr 1fr 1fr !important;
	gap: 8px !important;
	align-content: start !important;
}

/* Scrollbar styling for webkit. */
.d2i-a11y-panel-body::-webkit-scrollbar {
	width: 6px !important;
}
.d2i-a11y-panel-body::-webkit-scrollbar-thumb {
	background: #ccc !important;
	border-radius: 3px !important;
}

/* =====================================================================
   FEATURE TILES
   ===================================================================== */

.d2i-a11y-tile {
	display: flex !important;
	flex-direction: column !important;
	align-items: center !important;
	justify-content: center !important;
	gap: 6px !important;
	padding: 10px 6px !important;
	min-height: 88px !important;
	min-width: 88px !important;
	background: var(--d2i-a11y-tile-bg) !important;
	border: 2px solid transparent !important;
	border-radius: 10px !important;
	cursor: pointer !important;
	color: #333333 !important;
	text-align: center !important;
	font-size: 11px !important;
	font-weight: 500 !important;
	line-height: 1.3 !important;
	transition:
		background var(--d2i-a11y-anim-dur),
		border-color var(--d2i-a11y-anim-dur),
		color var(--d2i-a11y-anim-dur) !important;
	-webkit-tap-highlight-color: transparent !important;
}

.d2i-a11y-tile:hover {
	background: #e8edf5 !important;
	border-color: var(--d2i-a11y-brand) !important;
}

.d2i-a11y-tile:focus-visible {
	outline: none !important;
	box-shadow: var(--d2i-a11y-focus-ring) !important;
	border-color: #0066cc !important;
}

/* Active state — toggle on / cycle step > 0 */
.d2i-a11y-tile[aria-pressed="true"],
.d2i-a11y-tile.d2i-a11y-active {
	background: var(--d2i-a11y-tile-active) !important;
	color: var(--d2i-a11y-tile-active-text) !important;
	border-color: transparent !important;
}

.d2i-a11y-tile-icon {
	display: flex !important;
	align-items: center !important;
	justify-content: center !important;
	width: 32px !important;
	height: 32px !important;
	pointer-events: none !important;
}

.d2i-a11y-tile-icon svg {
	width: 28px !important;
	height: 28px !important;
}

.d2i-a11y-tile-label {
	display: block !important;
	font-size: 11px !important;
	font-weight: 600 !important;
	line-height: 1.2 !important;
}

.d2i-a11y-tile-state {
	display: block !important;
	font-size: 10px !important;
	font-weight: 400 !important;
	opacity: 0.8 !important;
	min-height: 14px !important;
}

/* =====================================================================
   PANEL FOOTER
   ===================================================================== */

.d2i-a11y-panel-footer {
	flex-shrink: 0 !important;
	padding: 10px 16px !important;
	border-top: 1px solid #e8e8e8 !important;
	display: flex !important;
	flex-wrap: wrap !important;
	align-items: center !important;
	gap: 8px !important;
	background: #fafafa !important;
}

.d2i-a11y-reset-btn {
	display: inline-flex !important;
	align-items: center !important;
	gap: 4px !important;
	padding: 6px 12px !important;
	background: #f0f0f0 !important;
	border: 1px solid #ccc !important;
	border-radius: 20px !important;
	color: #333 !important;
	font-size: 12px !important;
	font-weight: 500 !important;
	cursor: pointer !important;
	transition: background var(--d2i-a11y-anim-dur) !important;
}

.d2i-a11y-reset-btn:hover {
	background: #e0e0e0 !important;
}

.d2i-a11y-reset-btn:focus-visible {
	outline: none !important;
	box-shadow: var(--d2i-a11y-focus-ring) !important;
}

.d2i-a11y-statement-link {
	font-size: 12px !important;
	color: var(--d2i-a11y-brand) !important;
	text-decoration: underline !important;
	background: none !important;
	border: none !important;
	padding: 0 !important;
	cursor: pointer !important;
}

.d2i-a11y-statement-link:hover,
.d2i-a11y-statement-link:focus-visible {
	color: var(--d2i-a11y-brand-hover) !important;
	outline: 2px solid var(--d2i-a11y-brand) !important;
	outline-offset: 2px !important;
}

/* =====================================================================
   INLINE STATEMENT VIEW
   ===================================================================== */

.d2i-a11y-statement-view {
	flex: 1 1 auto !important;
	display: flex !important;
	flex-direction: column !important;
	overflow: hidden !important;
}

.d2i-a11y-statement-view[hidden] {
	display: none !important;
}

.d2i-a11y-statement-nav {
	display: flex !important;
	align-items: center !important;
	gap: 10px !important;
	padding: 10px 14px !important;
	border-bottom: 1px solid #e8e8e8 !important;
	background: #f8f9fb !important;
	flex-shrink: 0 !important;
}

.d2i-a11y-statement-nav-title {
	font-size: 13px !important;
	font-weight: 600 !important;
	color: #333 !important;
}

.d2i-a11y-back-btn {
	display: inline-flex !important;
	align-items: center !important;
	gap: 4px !important;
	padding: 5px 10px !important;
	background: #ffffff !important;
	border: 1.5px solid #ddd !important;
	border-radius: 6px !important;
	color: #333 !important;
	font-size: 12px !important;
	font-weight: 500 !important;
	cursor: pointer !important;
	transition: background var(--d2i-a11y-anim-dur) !important;
	flex-shrink: 0 !important;
}

.d2i-a11y-back-btn:hover {
	background: #f0f0f0 !important;
}

.d2i-a11y-back-btn:focus-visible {
	outline: none !important;
	box-shadow: var(--d2i-a11y-focus-ring) !important;
}

.d2i-a11y-statement-content {
	flex: 1 1 auto !important;
	overflow-y: auto !important;
	padding: 14px 16px !important;
	font-size: 12px !important;
	line-height: 1.6 !important;
	color: #333 !important;
	-webkit-overflow-scrolling: touch !important;
}

.d2i-a11y-statement-content h3 {
	font-size: 13px !important;
	font-weight: 700 !important;
	color: var(--d2i-a11y-brand) !important;
	margin: 14px 0 6px !important;
	padding: 0 !important;
	border: none !important;
	background: none !important;
}

.d2i-a11y-statement-content h3:first-child {
	margin-top: 0 !important;
}

.d2i-a11y-statement-content p {
	margin: 0 0 8px !important;
}

.d2i-a11y-statement-content a {
	color: var(--d2i-a11y-brand) !important;
	text-decoration: underline !important;
}

.d2i-a11y-legal-notice {
	margin-top: 14px !important;
	padding: 10px 12px !important;
	background: #fff3cd !important;
	border: 1px solid #ffc107 !important;
	border-radius: 6px !important;
	font-size: 11px !important;
	line-height: 1.5 !important;
	color: #5c4a00 !important;
}

.d2i-a11y-powered-by {
	font-size: 11px !important;
	color: #888 !important;
	margin-left: auto !important;
	white-space: nowrap !important;
}

.d2i-a11y-powered-by-link {
	color: var(--d2i-a11y-brand) !important;
	text-decoration: none !important;
	font-weight: 600 !important;
}

.d2i-a11y-powered-by-link:hover {
	text-decoration: underline !important;
}

.d2i-a11y-powered-by-link:focus-visible {
	outline: 2px solid var(--d2i-a11y-brand) !important;
	outline-offset: 2px !important;
}

/* =====================================================================
   SCREEN-READER ONLY UTILITY
   ===================================================================== */

.d2i-a11y-sr-only {
	position: absolute !important;
	width: 1px !important;
	height: 1px !important;
	padding: 0 !important;
	margin: -1px !important;
	overflow: hidden !important;
	clip: rect(0, 0, 0, 0) !important;
	white-space: nowrap !important;
	border: 0 !important;
}

/* =====================================================================
   RESPONSIVE — tablet (≤768 px) and mobile (≤480 px)

   On small screens the panel switches from position:absolute (relative
   to the 56 px-wide wrapper) to position:fixed (relative to the viewport)
   so it can never overflow the screen edges regardless of trigger placement.
   Bottom value of 100px = trigger(56) + default-margin(24) + gap(12) + buffer(8).
   ===================================================================== */

@media screen and (max-width: 768px) {
	/* Panel anchored below viewport center — opens upward */
	.d2i-a11y-panel {
		position: fixed !important;
		left: 8px !important;
		right: 8px !important;
		width: auto !important;
		max-width: none !important;
		bottom: 100px !important;
		top: auto !important;
		max-height: calc(100vh - 116px) !important;
	}

	/* Top-anchored trigger — panel opens downward */
	#d2i-a11y-wrapper.d2i-a11y-pos-top-right .d2i-a11y-panel,
	#d2i-a11y-wrapper.d2i-a11y-pos-top-left  .d2i-a11y-panel {
		bottom: auto !important;
		top: 100px !important;
		max-height: calc(100vh - 116px) !important;
	}

	/* No slide transform needed — the panel is viewport-fixed */
	.d2i-a11y-panel.d2i-a11y-panel-open {
		transform: none !important;
	}
}

/* Mobile (≤480 px): slightly tighter margins and smaller tiles */
@media screen and (max-width: 480px) {
	.d2i-a11y-panel {
		left: 6px !important;
		right: 6px !important;
		bottom: 92px !important;
		max-height: calc(100vh - 108px) !important;
	}

	.d2i-a11y-features-grid {
		grid-template-columns: 1fr 1fr 1fr !important;
	}

	.d2i-a11y-tile {
		min-height: 80px !important;
		min-width: 0 !important;
		width: 100% !important;
	}

	.d2i-a11y-profiles-grid {
		grid-template-columns: 1fr 1fr !important;
	}
}

/* IE11 graceful degradation — hide widget silently */
@media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
	#d2i-a11y-wrapper { display: none !important; }
}