/**
 * Size & Fit Guide Modal
 *
 * Dark luxury modal with rose gold accents, glassmorphism backdrop,
 * smooth transitions, and full WCAG 2.2 keyboard/focus support.
 *
 * @package SkyyRose_Flagship
 * @since   3.10.0
 */

/* ============================================================
   Modal Overlay & Layout
   ============================================================ */

.size-guide-modal {
	position: fixed;
	inset: 0;
	z-index: 10000;
	display: flex;
	align-items: center;
	justify-content: center;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.35s ease, visibility 0.35s ease;
}

.size-guide-modal[aria-hidden="false"] {
	opacity: 1;
	visibility: visible;
}

.size-guide-modal__backdrop {
	position: absolute;
	inset: 0;
	background: rgba(0, 0, 0, 0.75);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
}

/* ============================================================
   Content Container
   ============================================================ */

.size-guide-modal__content {
	position: relative;
	width: 92vw;
	max-width: 640px;
	max-height: 85vh;
	overflow-y: auto;
	padding: 2.5rem 2rem 2rem;
	background: #111;
	border: 1px solid rgba(183, 110, 121, 0.25);
	border-radius: 16px;
	box-shadow: 0 32px 80px rgba(0, 0, 0, 0.6), 0 0 60px rgba(183, 110, 121, 0.08);
	color: #e8e0e0;
	transform: translateY(24px) scale(0.97);
	transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.size-guide-modal[aria-hidden="false"] .size-guide-modal__content {
	transform: translateY(0) scale(1);
}

/* Custom scrollbar */
.size-guide-modal__content::-webkit-scrollbar {
	width: 4px;
}
.size-guide-modal__content::-webkit-scrollbar-track {
	background: transparent;
}
.size-guide-modal__content::-webkit-scrollbar-thumb {
	background: rgba(183, 110, 121, 0.3);
	border-radius: 2px;
}

/* ============================================================
   Close Button
   ============================================================ */

.size-guide-modal__close {
	position: absolute;
	top: 1rem;
	right: 1rem;
	width: 36px;
	height: 36px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: rgba(255, 255, 255, 0.06);
	border: 1px solid rgba(255, 255, 255, 0.1);
	border-radius: 50%;
	color: #e8e0e0;
	font-size: 1.25rem;
	cursor: pointer;
	transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.size-guide-modal__close:hover {
	background: rgba(183, 110, 121, 0.2);
	border-color: rgba(183, 110, 121, 0.5);
	transform: scale(1.1);
}
.size-guide-modal__close:focus-visible {
	outline: 2px solid var(--color-primary, #B76E79);
	outline-offset: 2px;
}

/* ============================================================
   Title & Subtitle
   ============================================================ */

.size-guide-modal__title {
	font-family: 'Playfair Display', serif;
	font-size: 1.75rem;
	font-weight: 700;
	color: #fff;
	margin: 0 0 0.25rem;
	letter-spacing: 0.02em;
}

.size-guide-modal__subtitle {
	font-size: 0.875rem;
	color: rgba(183, 110, 121, 0.8);
	margin: 0 0 1.5rem;
	letter-spacing: 0.06em;
	text-transform: uppercase;
}

/* ============================================================
   Category Tabs
   ============================================================ */

.size-guide-tabs {
	display: flex;
	gap: 0;
	margin-bottom: 1rem;
	border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.size-guide-tab {
	flex: 1;
	padding: 0.75rem 0.5rem;
	background: none;
	border: none;
	border-bottom: 2px solid transparent;
	color: rgba(255, 255, 255, 0.5);
	font-family: 'Inter', sans-serif;
	font-size: 0.8125rem;
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	cursor: pointer;
	transition: color 0.2s, border-color 0.3s;
}
.size-guide-tab:hover {
	color: rgba(255, 255, 255, 0.8);
}
.size-guide-tab.active {
	color: #fff;
	border-bottom-color: var(--color-primary, #B76E79);
}
.size-guide-tab:focus-visible {
	outline: 2px solid var(--color-primary, #B76E79);
	outline-offset: -2px;
	border-radius: 4px 4px 0 0;
}

/* ============================================================
   Unit Toggle
   ============================================================ */

.size-guide-unit-toggle {
	display: flex;
	justify-content: flex-end;
	gap: 0;
	margin-bottom: 1rem;
}

.size-guide-unit {
	padding: 0.35rem 0.75rem;
	background: rgba(255, 255, 255, 0.04);
	border: 1px solid rgba(255, 255, 255, 0.1);
	color: rgba(255, 255, 255, 0.45);
	font-family: 'Inter', sans-serif;
	font-size: 0.6875rem;
	font-weight: 700;
	letter-spacing: 0.1em;
	cursor: pointer;
	transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.size-guide-unit:first-child {
	border-radius: 6px 0 0 6px;
}
.size-guide-unit:last-child {
	border-radius: 0 6px 6px 0;
	border-left: none;
}
.size-guide-unit.active {
	background: var(--color-primary, #B76E79);
	border-color: var(--color-primary, #B76E79);
	color: #fff;
}
.size-guide-unit:focus-visible {
	outline: 2px solid var(--color-primary, #B76E79);
	outline-offset: 2px;
}

/* ============================================================
   Tab Panels
   ============================================================ */

.size-guide-panel {
	display: none;
}
.size-guide-panel.active {
	display: block;
	animation: sg-fadeIn 0.3s ease;
}

@keyframes sg-fadeIn {
	from { opacity: 0; transform: translateY(6px); }
	to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   Size Chart Table
   ============================================================ */

.size-guide-chart {
	overflow-x: auto;
	margin-bottom: 1.5rem;
	-webkit-overflow-scrolling: touch;
}

.size-guide-chart table {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.875rem;
}

.size-guide-chart th {
	padding: 0.75rem 1rem;
	text-align: left;
	font-family: 'Inter', sans-serif;
	font-weight: 700;
	font-size: 0.6875rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: rgba(183, 110, 121, 0.8);
	border-bottom: 1px solid rgba(183, 110, 121, 0.2);
}

.size-guide-chart td {
	padding: 0.65rem 1rem;
	font-family: 'Inter', sans-serif;
	font-variant-numeric: tabular-nums;
	color: #e8e0e0;
	border-bottom: 1px solid rgba(255, 255, 255, 0.04);
	white-space: nowrap;
}

.size-guide-chart tr:hover td {
	background: rgba(183, 110, 121, 0.06);
}

.size-guide-chart td:first-child {
	font-weight: 700;
	color: #fff;
	min-width: 48px;
}

/* ============================================================
   How to Measure
   ============================================================ */

.size-guide-measure {
	margin-bottom: 1.5rem;
	padding-top: 1.25rem;
	border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.size-guide-measure h3 {
	font-family: 'Playfair Display', serif;
	font-size: 1.1rem;
	color: #fff;
	margin: 0 0 1rem;
}

.size-guide-measure__grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 1rem;
}

.size-guide-measure__item {
	text-align: center;
}

.size-guide-measure__icon {
	display: block;
	font-size: 1.5rem;
	color: var(--color-primary, #B76E79);
	margin-bottom: 0.35rem;
}

.size-guide-measure__item strong {
	display: block;
	font-size: 0.75rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: #fff;
	margin-bottom: 0.25rem;
}

.size-guide-measure__item p {
	font-size: 0.75rem;
	line-height: 1.5;
	color: rgba(255, 255, 255, 0.55);
	margin: 0;
}

/* ============================================================
   Collection Fit Notes
   ============================================================ */

.size-guide-fit-notes {
	padding-top: 1.25rem;
	border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.size-guide-fit-notes h3 {
	font-family: 'Playfair Display', serif;
	font-size: 1.1rem;
	color: #fff;
	margin: 0 0 1rem;
}

.size-guide-fit-note {
	display: flex;
	align-items: flex-start;
	gap: 0.75rem;
	padding: 0.75rem 0;
	border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.size-guide-fit-note:last-child {
	border-bottom: none;
}

.size-guide-fit-note__badge {
	flex-shrink: 0;
	display: inline-block;
	padding: 0.25rem 0.65rem;
	background: rgba(255, 255, 255, 0.04);
	border: 1px solid var(--note-accent, var(--color-primary, #B76E79));
	border-radius: 20px;
	font-size: 0.6875rem;
	font-weight: 700;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--note-accent, var(--color-primary, #B76E79));
	white-space: nowrap;
}

.size-guide-fit-note p {
	margin: 0;
	font-size: 0.8125rem;
	line-height: 1.6;
	color: rgba(255, 255, 255, 0.65);
}

/* ============================================================
   Trigger Button (used in collection product cards)
   ============================================================ */

.size-guide-trigger {
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
	padding: 0;
	background: none;
	border: none;
	color: rgba(183, 110, 121, 0.7);
	font-family: 'Inter', sans-serif;
	font-size: 0.6875rem;
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	cursor: pointer;
	transition: color 0.2s;
}

.size-guide-trigger:hover {
	color: var(--color-primary, #B76E79);
}

.size-guide-trigger:focus-visible {
	outline: 2px solid var(--color-primary, #B76E79);
	outline-offset: 2px;
	border-radius: 2px;
}

.size-guide-trigger__icon {
	width: 14px;
	height: 14px;
	opacity: 0.7;
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 600px) {
	.size-guide-modal__content {
		width: 96vw;
		max-height: 90vh;
		padding: 2rem 1.25rem 1.5rem;
		border-radius: 12px;
	}
	.size-guide-modal__title {
		font-size: 1.4rem;
	}
	.size-guide-chart td,
	.size-guide-chart th {
		padding: 0.5rem 0.6rem;
		font-size: 0.8125rem;
	}
	.size-guide-measure__grid {
		grid-template-columns: 1fr;
		gap: 0.75rem;
	}
	.size-guide-measure__item {
		display: flex;
		align-items: flex-start;
		gap: 0.5rem;
		text-align: left;
	}
	.size-guide-measure__icon {
		font-size: 1.25rem;
		margin-bottom: 0;
	}
}

/* ============================================================
   Reduced Motion
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
	.size-guide-modal {
		transition: none;
	}
	.size-guide-modal__content {
		transition: none;
	}
	.size-guide-panel.active {
		animation: none;
	}
}