/**
 * Sub Navigation Block Styles - Child Theme Override
 *
 * Extends the parent plugin styles with product name anchor feature.
 * Product name displays on the left with navigation links on the right.
 *
 * @package TMW_Core_Child
 * @since 1.0.0
 * @version 1.5.0
 */

/* ==========================================
   BASE STYLES
   ========================================== */

.sub-navigation-block {
	position: relative;
}

/* Default white background - Gutenberg's .has-background class overrides this */
.sub-navigation-block:not(.has-background) {
	background-color: var(--color-white);
}

/* ==========================================
   INNER WRAPPER (FLEXBOX LAYOUT)
   ========================================== */

.sub-nav__inner {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: var(--space-lg);
	width: 100%;
	line-height: var(--line-height-tight);
	text-align: center;
	text-wrap: balance;
}

/* When product name is present, use space-between layout */
.sub-navigation-block--has-product .sub-nav__inner {
	justify-content: flex-start;
	gap: 0; /* List handles spacing via space-evenly */
}

/* ==========================================
   PRODUCT NAME (LEFT ANCHOR)
   ========================================== */

.sub-nav__product {
	flex-shrink: 0;
}

.sub-nav__product-name {
	font-size: var(--font-size-lead);
	font-weight: var(--font-weight-semibold);
	line-height: var(--line-height-body);
	white-space: nowrap;
	color: var(--color-heading);
	text-decoration: none;
	transition: opacity var(--transition-base);
}

.sub-nav__product-name:hover {
	opacity: 0.8;
}

/* When block has custom text color */
.sub-navigation-block.has-text-color .sub-nav__product-name {
	color: inherit;
}

/* ==========================================
   HAMBURGER TOGGLE BUTTON
   ========================================== */

.sub-nav__toggle {
	display: none;
	align-items: center;
	justify-content: center;
	gap: var(--space-xs);
	margin: 0 auto;
	padding: var(--space-md);
	background: transparent;
	border: none;
	cursor: pointer;
	color: inherit;
	font-family: inherit;
}

.sub-nav__toggle[aria-hidden="false"] {
	display: flex;
	gap: var(--space-sm);
}

.sub-nav__toggle-label {
	font-size: var(--font-size-base);
	font-weight: var(--font-weight-medium);
}

.sub-nav__toggle-icon {
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	width: 20px;
	height: 14px;
}

.sub-nav__toggle-icon span {
	display: block;
	width: 100%;
	height: 2px;
	background-color: currentcolor;
	border-radius: var(--radius-full);
	transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Hamburger to X animation when open */
.sub-navigation-block.is-open .sub-nav__toggle-icon span:nth-child(1) {
	transform: translateY(6px) rotate(45deg);
}

.sub-navigation-block.is-open .sub-nav__toggle-icon span:nth-child(2) {
	opacity: 0;
}

.sub-navigation-block.is-open .sub-nav__toggle-icon span:nth-child(3) {
	transform: translateY(-6px) rotate(-45deg);
}

/* ==========================================
   DROPDOWN WRAPPER
   ========================================== */

.sub-nav__dropdown {
	display: block;
}

/* ==========================================
   NAVIGATION LIST
   ========================================== */

.sub-nav__list {
	display: flex;
	flex-wrap: nowrap;
	justify-content: center;
	align-items: center;
	gap: var(--space-md);
	margin: 0;
	padding: 0;
	list-style: none;
}

/* When product name is present, align list to the right */
.sub-navigation-block--has-product .sub-nav__list {
	justify-content: flex-end;
}

/* ==========================================
   NAVIGATION ITEMS
   ========================================== */

.sub-nav__item {
	position: relative;
	margin: 0;
	padding: var(--space-sm) var(--space-md);
}

/* ==========================================
   NAVIGATION LINKS
   ========================================== */

.sub-nav__link {
	display: inline-block;
	padding-block: var(--space-sm);
	text-decoration: none;
	transition: color var(--transition-fast);
}

/* ==========================================
   ACTIVE STATE
   ========================================== */

/* Active & Hover indicator - underline at bottom of block */
.sub-nav__item::after {
	content: "";
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	height: 4px;
	background-color: var(--color-primary);
	border-radius: var(--radius-full);
	opacity: 0;
	transition: opacity var(--transition-fast);
}

/* Show underline on hover */
.sub-nav__item:hover::after {
	opacity: 1;
}

/* Active state - always show underline */
.sub-nav__item.is-active::after {
	opacity: 1;
}

/* ==========================================
   WHEN BLOCK HAS CUSTOM COLORS
   ========================================== */

/* Inherit text color when set via WordPress */
.sub-navigation-block.has-text-color .sub-nav__link {
	color: inherit;
}

.sub-navigation-block.has-text-color .sub-nav__link:hover,
.sub-navigation-block.has-text-color .sub-nav__link:focus {
	opacity: 0.8;
}

.sub-navigation-block.has-text-color .sub-nav__item.is-active .sub-nav__link {
	opacity: 1;
}

/* ==========================================
   COLLAPSED STATE (HAMBURGER MODE)
   ========================================== */

/* When navigation is collapsed (overflow detected) */
.sub-navigation-block.is-collapsed {
	padding-block: var(--space-sm);
}

/* Hide the dropdown content when collapsed (but not open) */
.sub-navigation-block.is-collapsed .sub-nav__dropdown {
	position: absolute;
	top: 100%;
	left: 0;
	right: 0;
	z-index: 100;
	max-height: 0;
	overflow: hidden;
	background-color: inherit;
	box-shadow: 0 4px 12px rgb(0 0 0 / 15%);
	transition: max-height var(--transition-fast);
}

/* When dropdown is open */
.sub-navigation-block.is-collapsed.is-open .sub-nav__dropdown {
	max-height: 80vh;
	overflow-y: auto;
}

/* Vertical list in collapsed state */
.sub-navigation-block.is-collapsed .sub-nav__list {
	flex-direction: column;
	align-items: stretch;
	gap: 0;
	padding: var(--space-md) 0;
}

.sub-navigation-block.is-collapsed .sub-nav__item {
	padding: 0;
	border-bottom: 1px solid rgb(0 0 0 / 10%);
}

.sub-navigation-block.is-collapsed .sub-nav__item:last-child {
	border-bottom: none;
}

/* Hide underline indicator in collapsed mode */
.sub-navigation-block.is-collapsed .sub-nav__item::after {
	display: none;
}

.sub-navigation-block.is-collapsed .sub-nav__link {
	display: block;
	padding: var(--space-sm) var(--space-md);
	text-align: left;
}

/* Active state in collapsed mode */
.sub-navigation-block.is-collapsed .sub-nav__item.is-active .sub-nav__link {
	font-weight: var(--font-weight-semibold);
}

/* Inherit text color for toggle when block has custom colors */
.sub-navigation-block.has-text-color .sub-nav__toggle {
	color: inherit;
}

/* Product name in collapsed mode */
.sub-navigation-block.is-collapsed .sub-nav__inner {
	flex-direction: column;
	align-items: stretch;
}

.sub-navigation-block.is-collapsed .sub-nav__product {
	display: none; /* Hide product in collapsed dropdown, show only in toggle */
}

/* ==========================================
   RESPONSIVE - MOBILE
   ========================================== */

@media (width <= 768px) {
	.sub-nav__inner {
		flex-direction: column;
		gap: var(--space-sm);
	}

	.sub-navigation-block--has-product .sub-nav__inner {
		flex-direction: column;
		align-items: center;
	}

	.sub-nav__product {
		margin-bottom: var(--space-xs);
	}

	.sub-nav__list {
		justify-content: center;
	}

	.sub-nav__link {
		text-align: center;
		line-height: 1.2em;
	}

	/* Left-align links in collapsed mode */
	.sub-navigation-block.is-collapsed .sub-nav__link {
		text-align: left;
	}
}

/* ==========================================
   STICKY MODE
   ========================================== */

.sub-navigation-block--sticky {
	position: relative;
	z-index: 90;
}

/* When sticky is active (class added by JS on scroll) */
.sub-navigation-block--sticky.is-stuck {
	position: fixed;
	top: calc(var(--header-height, 80px) + var(--announcement-bar-height, 0px));
	left: 0;
	right: 0;
	box-shadow: 0 2px 12px rgb(0 0 0 / 20%);
	animation: slide-down 0.3s ease-out;
}

/* Reduced padding when sticky */
.sub-navigation-block--sticky.is-stuck .sub-nav__item {
	padding-block: var(--space-2xs);
}

.sub-navigation-block--sticky.is-stuck .sub-nav__link {
	padding-block: var(--space-xs);
}

/* Placeholder to prevent content jump when sticky activates */
.sub-navigation-block--sticky-placeholder {
	display: none;
}

.sub-navigation-block--sticky-placeholder.is-active {
	display: block;
}

/* Slide down animation */
@keyframes slide-down {
	from {
		transform: translateY(-100%);
		opacity: 0;
	}

	to {
		transform: translateY(0);
		opacity: 1;
	}
}

/* Admin bar adjustments */
.admin-bar .sub-navigation-block--sticky.is-stuck {
	top: calc(var(--header-height, 80px) + var(--announcement-bar-height, 0px) + 32px);
}

@media (width <= 782px) {
	.admin-bar .sub-navigation-block--sticky.is-stuck {
		top: calc(var(--header-height, 80px) + var(--announcement-bar-height, 0px) + 46px);
	}
}

/* Ensure collapsed dropdown appears correctly when stuck */
.sub-navigation-block--sticky.is-stuck.is-collapsed .sub-nav__dropdown {
	box-shadow: 0 4px 12px rgb(0 0 0 / 15%);
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
	.sub-navigation-block--sticky.is-stuck {
		animation: none;
	}
}

/* ==========================================
   PREVIEW MODE
   ========================================== */

.sub-navigation-preview {
	padding: var(--space-md);
}

.sub-navigation-preview-content {
	width: 100%;
}

.sub-navigation-preview .sub-nav {
	width: 100%;
}

.sub-navigation-preview .sub-nav__inner {
	width: 100%;
}

.sub-navigation-preview .preview-placeholder {
	text-align: center;
	padding: var(--space-lg);
	margin: 0;
}

.sub-navigation-preview .preview-instruction {
	font-size: var(--font-size-small);
	opacity: 0.8;
}

/* ==========================================
   CLIENT-SPECIFIC CUSTOMIZATIONS
   ========================================== */

.sub-navigation-block .sub-nav__link:hover,
.sub-navigation-block .sub-nav__link:focus {
	color: var(--color-heading);
}

.sub-navigation-block .sub-nav__item {
	padding: var(--space-sm);
}

.sub-navigation-block--has-product .sub-nav__list {
	gap: 0; /* Let space-evenly handle all spacing */
	width: 100%;
	justify-content: space-evenly; /* Equal gaps that adjust to fill available space */
}

/* Active state link */
.sub-navigation-block .sub-nav__item.is-active .sub-nav__link {
	color: var(--color-heading);
}

/* Active indicator underline */
.sub-navigation-block .sub-nav__item.is-active::after,
.sub-navigation-block .sub-nav__item:hover::after {
	background-color: var(--color-heading);
}

/* Responsive font size reduction to prevent text wrapping */
@media (width <= 1200px) {
	.sub-navigation-block .sub-nav__item {
		padding: var(--space-xs);
	}
}

/* ==========================================
   RESPONSIVE - INTERMEDIATE (VERTICAL ALIGNMENT FIX)
   Ensure all nav items are vertically centered when
   text wraps within individual items at narrower viewports.
   ========================================== */

@media (width <= 1024px) {
	/* Ensure items stretch to fill height and center content */
	.sub-navigation-block--has-product .sub-nav__item {
		display: flex;
		align-items: center;
	}

	/* Make link a flex container to vertically center multi-line text */
	.sub-navigation-block--has-product .sub-nav__link {
		display: flex;
		align-items: center;
		justify-content: center;
		text-align: center;
	}
}