/**
 * Mega Menu — frontend styles for panels, grid, tabs, overlay, animations.
 *
 * Uses CSS custom properties set by MegaMenuFrontend::output_css_variables().
 * Compatible with The7 theme header structure (.classic-header, .wf-wrap, #phantom).
 *
 * @package WPAIC
 */

/* ============================================================
   1. RESET & BASE — override theme defaults on our elements
   ============================================================ */

.wpaic-megamenu,
.wpaic-megamenu *,
.wpaic-megamenu *::before,
.wpaic-megamenu *::after {
	box-sizing: border-box;
}

.wpaic-mega-menu {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-wrap: wrap;
	align-items: stretch;
}

.wpaic-mega-item {
	list-style: none;
	margin: 0;
	padding: 0;
	position: relative;
}

.wpaic-mega-panel,
.wpaic-mega-panel * {
	text-align: left;
}

.wpaic-mega-grid {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid !important;
	grid-template-columns: repeat(var(--cols, 4), 1fr) !important;
	gap: var(--wmm-col-gap, 16px);
}

.wpaic-mega-grid-item {
	list-style: none;
	margin: 0;
}

.wpaic-mega-sub {
	list-style: none;
	margin: 0;
	padding: 0;
}


/* ============================================================
   2. MENU BAR — .wpaic-mega-menu items (horizontal top-level)
   ============================================================ */

.wpaic-mega-link {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	color: var(--wmm-item-color, var(--color-1, #333));
	font-size: var(--wmm-item-font, 14px);
	font-family: var(--font-1, inherit);
	text-decoration: none;
	padding: 10px 14px;
	line-height: 1.4;
	cursor: pointer;
	transition: color 0.2s ease;
	white-space: nowrap;
	position: relative;
}

.wpaic-mega-link:hover,
.wpaic-mega-link:focus {
	color: var(--wmm-item-hover, var(--color-2, #bd9d61));
	text-decoration: none;
}

/* Icon inside link */
.wpaic-mega-link i {
	font-size: 1em;
	line-height: 1;
}

/* Image inside top-level link */
.wpaic-mega-link > img {
	width: var(--wmm-img-w, 80px);
	height: var(--wmm-img-h, 40px);
	object-fit: contain;
	vertical-align: middle;
}


/* ============================================================
   3. PANELS — .wpaic-mega-panel (hidden, shown on hover/click)
   ============================================================ */

.wpaic-mega-panel {
	position: absolute;
	top: 100%;
	left: 0;
	z-index: 1010;
	width: var(--panel-width, var(--wmm-panel-width, auto));
	min-width: 320px;
	max-width: calc(100vw - 20px);
	background: var(--wmm-panel-bg, #fff);
	box-shadow: var(--wmm-panel-shadow, 0 8px 32px rgba(0, 0, 0, 0.12));
	border-radius: var(--r-menu, 10px);
	padding: var(--wmm-panel-pad, 24px);
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transition: opacity 0.2s ease, visibility 0.2s ease;
}

/* Active/open state */
.wpaic-mega-has-panel.is-open > .wpaic-mega-panel,
.wpaic-mega-has-panel.wpaic-mega-panel-visible > .wpaic-mega-panel {
	opacity: 1;
	visibility: visible;
	pointer-events: auto;
}


/* Tabbed mega panels — full content width */
.wpaic-mega-tabbed > .wpaic-mega-panel {
	width: var(--panel-width, 100%);
}

/* Panel alignment: right = right edge aligns with menu item right edge */
.wpaic-mega-panel.wpaic-mega-panel-right {
	left: auto;
	right: 0;
	transform: none;
}

/* ============================================================
   3b. SIMPLE DROPDOWN — non-mega items with children (Компания)
   ============================================================ */

.wpaic-mega-dropdown > .sub-menu {
	position: absolute;
	top: 100%;
	left: 0;
	z-index: 990;
	min-width: 200px;
	background: var(--wmm-panel-bg, #fff);
	box-shadow: var(--wmm-panel-shadow, 0 8px 32px rgba(0, 0, 0, 0.12));
	border-radius: var(--r-menu, 10px);
	padding: 12px 0;
	list-style: none;
	margin: 0;
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transition: opacity 0.2s ease, visibility 0.2s ease;
}

.wpaic-mega-dropdown:hover > .sub-menu,
.wpaic-mega-dropdown.is-open > .sub-menu {
	opacity: 1;
	visibility: visible;
	pointer-events: auto;
}

.wpaic-mega-dropdown .sub-menu .wpaic-mega-item {
	display: block;
}

.wpaic-mega-dropdown .sub-menu .wpaic-mega-link {
	display: block;
	padding: 8px 20px;
	white-space: nowrap;
	font-size: 13px;
	color: var(--wmm-item-color, var(--color-1, #333));
}

.wpaic-mega-dropdown .sub-menu .wpaic-mega-link:hover {
	color: var(--wmm-item-hover, var(--color-2, #bd9d61));
	background: rgba(0, 0, 0, 0.03);
}

/* Nested sub-menus (3rd level) */
.wpaic-mega-dropdown .sub-menu .sub-menu {
	position: static;
	opacity: 1;
	visibility: visible;
	pointer-events: auto;
	box-shadow: none;
	border-radius: 0;
	padding: 0 0 4px 12px;
	background: transparent;
}

.wpaic-mega-dropdown .sub-menu .sub-menu .wpaic-mega-link {
	font-size: 12px;
	padding: 5px 20px;
	color: #666;
}


/* ============================================================
   4. GRID LAYOUT — CSS Grid with var(--cols)
   ============================================================ */

.wpaic-mega-grid {
	display: grid;
	grid-template-columns: repeat(var(--cols, 4), 1fr);
	gap: var(--wmm-col-gap, 16px);
}

.wpaic-mega-grid-item {
	min-width: 0;
}

.wpaic-mega-grid-link {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 8px;
	padding: 12px 8px;
	color: var(--wmm-item-color, var(--color-1, #333));
	font-size: 13px;
	font-weight: 500;
	text-decoration: none;
	text-align: center;
	border-radius: var(--r-menu, 10px);
	transition: background-color 0.2s ease, color 0.2s ease;
	line-height: 1.3;
}

.wpaic-mega-grid-link:hover,
.wpaic-mega-grid-link:focus {
	background: rgba(0, 0, 0, 0.04);
	color: var(--wmm-item-hover, var(--color-2, #bd9d61));
	text-decoration: none;
}

.wpaic-mega-grid-text {
	word-break: break-word;
}

/* Sub-items inside grid (grandchildren) */
.wpaic-mega-sub {
	grid-column: 1 / -1;
	display: flex;
	flex-wrap: wrap;
	gap: 4px 12px;
	padding: 4px 0 0;
}

.wpaic-mega-sub .wpaic-mega-grid-item {
	flex: none;
}

.wpaic-mega-sub .wpaic-mega-grid-link {
	flex-direction: row;
	padding: 4px 8px;
	font-size: 12px;
	font-weight: 400;
	gap: 6px;
	color: #666;
}

.wpaic-mega-sub .wpaic-mega-grid-link:hover {
	color: var(--wmm-item-hover, var(--color-2, #bd9d61));
}


/* ============================================================
   5. TABBED LAYOUT — tabs on left, panels on right
   ============================================================ */

.wpaic-mega-tabs-wrap {
	display: flex;
	min-height: 280px;
}

/* Tab list (vertical, left side) */
.wpaic-mega-tabs {
	display: flex;
	flex-direction: column;
	flex-shrink: 0;
	width: 210px;
	min-width: 170px;
	max-width: 260px;
	background: var(--wmm-tab-bg, #fcfcfc);
	border-radius: var(--r-menu, 10px) 0 0 var(--r-menu, 10px);
	margin: calc(-1 * var(--wmm-panel-pad, 24px));
	margin-right: 0;
	padding: 8px 0;
	overflow-y: auto;
}

.wpaic-mega-tab {
	display: flex;
	align-items: center;
	width: 100%;
	padding: 12px 18px;
	margin: 0;
	border: none;
	border-left: 3px solid transparent;
	background: transparent;
	color: var(--wmm-item-color, var(--color-1, #333));
	font-family: var(--font-1, inherit);
	font-size: 13px;
	font-weight: 500;
	text-align: left;
	cursor: pointer;
	transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
	line-height: 1.3;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.wpaic-mega-tab:hover {
	background: rgba(0, 0, 0, 0.04);
	color: var(--wmm-item-hover, var(--color-2, #bd9d61));
}

.wpaic-mega-tab.active {
	background: var(--wmm-tab-active-bg, #fff);
	border-left-color: var(--wmm-tab-active-border, var(--color-3, #58a8ca));
	color: var(--wmm-item-hover, var(--color-2, #bd9d61));
	font-weight: 600;
}

/* Tab panels (right side) */
.wpaic-mega-tab-panels {
	flex: 1;
	min-width: 0;
	padding-left: var(--wmm-col-gap, 20px);
}

.wpaic-mega-tab-panel {
	display: none;
}

.wpaic-mega-tab-panel.active {
	display: block;
}


/* ============================================================
   5b. TAB CONTENT — categories with headings and sub-links
   ============================================================ */

.wpaic-mega-tab-content {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 20px 24px;
}

.wpaic-mega-category {
	min-width: 0;
}

.wpaic-mega-category-title {
	display: block;
	font-size: 14px;
	font-weight: 600;
	color: var(--wmm-item-color, var(--color-1, #333));
	text-decoration: none;
	padding-bottom: 8px;
	margin-bottom: 6px;
	border-bottom: 2px solid var(--wmm-tab-active-border, var(--color-3, #58a8ca));
	line-height: 1.3;
}

a.wpaic-mega-category-title:hover {
	color: var(--wmm-item-hover, var(--color-2, #bd9d61));
}

.wpaic-mega-category-links {
	list-style: none;
	margin: 0;
	padding: 0;
}

.wpaic-mega-category-links li {
	display: block;
	margin: 0;
	padding: 0;
}

.wpaic-mega-category-links a {
	display: block;
	padding: 4px 0;
	font-size: 13px;
	color: #555;
	text-decoration: none;
	line-height: 1.4;
	transition: color 0.15s ease;
}

.wpaic-mega-category-links a:hover {
	color: var(--wmm-item-hover, var(--color-2, #bd9d61));
}


/* ============================================================
   5c. HTML CONTENT PANELS — widget-based panels (Карты смазок, Аналоги)
   ============================================================ */

.wpaic-mega-html-content {
	width: var(--panel-width, max(900px, 60vw));
}

.wpaic-mega-html-grid {
	display: grid !important;
	grid-template-columns: repeat(var(--cols, 3), 1fr) !important;
	gap: 16px;
}

.wpaic-mega-html-grid img {
	max-width: 100%;
	max-height: 180px;
	object-fit: cover;
	border-radius: 8px;
}

/* Extra HTML block below grid (e.g., standalone banner) */
.wpaic-mega-html-extra {
	margin-top: 16px;
	padding-top: 16px;
	border-top: 1px solid rgba(0, 0, 0, 0.06);
}


/* ============================================================
   5d. GROUPED GRID — sub-groups mode (Бренды: heading + brand items per cell)
   ============================================================ */

.wpaic-mega-grouped {
	display: grid !important;
	grid-template-columns: repeat(var(--cols, 3), 1fr) !important;
	gap: var(--wmm-col-gap, 20px);
}

.wpaic-mega-group {
	min-width: 0;
}

.wpaic-mega-group-heading {
	display: block;
	font-size: 13px;
	font-weight: 600;
	color: var(--wmm-item-color, var(--color-1, #333));
	text-decoration: none;
	padding-bottom: 6px;
	margin-bottom: 6px;
	border-bottom: 1px solid rgba(0, 0, 0, 0.1);
	line-height: 1.3;
}

/* Groups with children: stronger heading style */
.wpaic-mega-group:has(.wpaic-mega-group-items) .wpaic-mega-group-heading {
	font-weight: 700;
	border-bottom: 2px solid var(--wmm-tab-active-border, var(--color-3, #58a8ca));
	padding-bottom: 8px;
	margin-bottom: 8px;
}

a.wpaic-mega-group-heading:hover {
	color: var(--wmm-item-hover, var(--color-2, #bd9d61));
}

.wpaic-mega-group-items {
	list-style: none;
	margin: 0;
	padding: 0;
}

.wpaic-mega-group-items .wpaic-mega-grid-item {
	margin: 0;
}

.wpaic-mega-group-items .wpaic-mega-grid-link {
	flex-direction: row;
	padding: 6px 4px;
	font-size: 13px;
	gap: 8px;
	text-align: left;
	align-items: center;
	border-radius: 6px;
}

.wpaic-mega-group-items .wpaic-mega-grid-link img {
	width: 60px;
	height: 30px;
	object-fit: contain;
	flex-shrink: 0;
}

/* Banner cell inside grouped grid — spans full width by default */
.wpaic-mega-group-html {
	grid-column: 1 / -1;
	padding-top: 16px;
	border-top: 1px solid rgba(0, 0, 0, 0.06);
}

/* For full-width panels: html content becomes right-side column spanning all rows */
.wpaic-mega-panel[style*="--panel-width:100%"] > .wpaic-mega-grouped .wpaic-mega-group-html,
.wpaic-mega-panel[style*="--panel-width: 100%"] > .wpaic-mega-grouped .wpaic-mega-group-html {
	grid-column: -2 / -1;
	grid-row: 1 / span 10;
	padding-top: 0;
	border-top: none;
	display: flex;
	flex-direction: column;
	align-items: stretch;
	justify-content: flex-start;
	gap: 12px;
	overflow: hidden;
	min-width: 0;
}

.wpaic-mega-group-html img {
	max-width: 100%;
	height: auto;
	border-radius: 8px;
	filter: none;
	opacity: 1;
}


/* ============================================================
   6. IMAGE SWAP — logo images: grayscale → full color on hover
   ============================================================ */

.wpaic-mega-has-image img {
	width: var(--wmm-img-w, 80px);
	height: var(--wmm-img-h, 40px);
	object-fit: contain;
	filter: grayscale(100%);
	opacity: 0.65;
	transition: filter 0.3s ease, opacity 0.3s ease;
}

.wpaic-mega-has-image:hover img,
.wpaic-mega-has-image:focus-within img {
	filter: grayscale(0%);
	opacity: 1;
}

/* Inside grid items, respect per-item sizing as well */
.wpaic-mega-grid-item.wpaic-mega-has-image .wpaic-mega-grid-link img {
	max-width: 100%;
	height: auto;
}

/* HTML panel images should not be grayscaled */
.wpaic-mega-html-content img,
.wpaic-mega-html-extra img {
	filter: none;
	opacity: 1;
	max-width: 100%;
	height: auto;
}


/* ============================================================
   7. OVERLAY — body backdrop when panel is open
   ============================================================ */

body.wpaic-mega-overlay-active::after {
	content: '';
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: rgba(0, 0, 0, 0.2);
	z-index: 980;
	pointer-events: none;
	animation: wpaic-mega-overlay-in 0.25s ease forwards;
}

@keyframes wpaic-mega-overlay-in {
	from {
		opacity: 0;
	}
	to {
		opacity: 1;
	}
}

/* Ensure megamenu container stays above overlay */
.wpaic-megamenu {
	position: relative;
	z-index: 985;
}


/* ============================================================
   8. ANIMATIONS — fade & slide effects
   ============================================================ */

/* Fade (default) */
.wpaic-mega-effect-fade .wpaic-mega-panel,
.wpaic-mega-effect-fade .wpaic-mega-dropdown > .sub-menu {
	opacity: 0;
	transition: opacity 0.25s ease, visibility 0.25s ease;
}

.wpaic-mega-effect-fade .wpaic-mega-has-panel.is-open > .wpaic-mega-panel,
.wpaic-mega-effect-fade .wpaic-mega-has-panel.wpaic-mega-panel-visible > .wpaic-mega-panel,
.wpaic-mega-effect-fade .wpaic-mega-dropdown:hover > .sub-menu,
.wpaic-mega-effect-fade .wpaic-mega-dropdown.is-open > .sub-menu {
	opacity: 1;
}

/* Slide (translateY) */
.wpaic-mega-effect-slide .wpaic-mega-panel,
.wpaic-mega-effect-slide .wpaic-mega-dropdown > .sub-menu {
	opacity: 0;
	transform: translateY(-8px);
	transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
}

.wpaic-mega-effect-slide .wpaic-mega-has-panel.is-open > .wpaic-mega-panel,
.wpaic-mega-effect-slide .wpaic-mega-has-panel.wpaic-mega-panel-visible > .wpaic-mega-panel,
.wpaic-mega-effect-slide .wpaic-mega-dropdown:hover > .sub-menu,
.wpaic-mega-effect-slide .wpaic-mega-dropdown.is-open > .sub-menu {
	opacity: 1;
	transform: translateY(0);
}

/* No animation */
.wpaic-mega-effect-none .wpaic-mega-panel,
.wpaic-mega-effect-none .wpaic-mega-dropdown > .sub-menu {
	transition: none;
}


/* ============================================================
   9. RESPONSIVE — hide panels on mobile (mobile menu handles it)
   ============================================================ */

@media (max-width: 768px) {
	.wpaic-mega-panel,
	.wpaic-mega-dropdown > .sub-menu {
		display: none !important;
	}

	body.wpaic-mega-overlay-active::after {
		display: none !important;
	}

	/* Ensure menu items stack if needed */
	.wpaic-mega-menu {
		flex-direction: column;
	}
}


/* ============================================================
   10. ACCESSIBILITY — focus-visible outlines
   ============================================================ */

.wpaic-mega-link:focus-visible {
	outline: 2px solid var(--wmm-tab-active-border, var(--color-3, #58a8ca));
	outline-offset: 2px;
	border-radius: 3px;
}

.wpaic-mega-tab:focus-visible {
	outline: 2px solid var(--wmm-tab-active-border, var(--color-3, #58a8ca));
	outline-offset: -2px;
}

.wpaic-mega-grid-link:focus-visible {
	outline: 2px solid var(--wmm-tab-active-border, var(--color-3, #58a8ca));
	outline-offset: 2px;
}


/* ============================================================
   11. THE7 THEME COMPAT — specificity overrides
   ============================================================ */

/* Prevent The7 from overriding our panel positioning */
.classic-header .wpaic-megamenu .wpaic-mega-panel,
#phantom .wpaic-megamenu .wpaic-mega-panel {
	position: absolute;
	float: none;
	display: block;
	background: var(--wmm-panel-bg, #fff);
}

/* Prevent The7 nav styles from bleeding into our mega items */
.wpaic-megamenu .menu > .wpaic-mega-item > .wpaic-mega-link {
	border: none;
	box-shadow: none;
}

/* Override The7 sub-menu arrow indicators on mega items */
.wpaic-megamenu .wpaic-mega-has-panel > .wpaic-mega-link::after {
	display: none;
}

/* Dropdown sub-menus: prevent The7 from hiding them */
.classic-header .wpaic-megamenu .wpaic-mega-dropdown > .sub-menu,
#phantom .wpaic-megamenu .wpaic-mega-dropdown > .sub-menu {
	position: absolute;
	float: none;
	display: block;
}

/* Ensure The7 doesn't add width constraints on our sub-menus */
.wpaic-megamenu .wpaic-mega-dropdown .sub-menu {
	width: auto;
	max-width: none;
}