/*
 * MC LearnPress UI — base layer
 * Handle: mc-lp-base  (depends on mc-lp-fonts, mc-lp-tokens)
 *
 * Contents
 *   1. Font face
 *   2. Scoped reset            .mc-lp
 *   3. Container & layout
 *   4. Utilities
 *   5. Primitives              .mc-btn .mc-chip .mc-card .mc-badge .mc-stars
 *                              .mc-progress .mc-accordion .mc-icon
 *   6. RTL
 *   7. Motion & print
 *
 * RULES FOR EVERY DOWNSTREAM STYLESHEET
 *   · Logical properties only — margin-inline-*, padding-inline-*, inset-inline-*,
 *     border-inline-*. Never left / right.
 *   · Variables only — no raw hex, no raw px for spacing/typography.
 *   · Breakpoints are hard-coded px: 640 / 768 / 1024 / 1280 (see tokens.css).
 *   · Everything is scoped under `.mc-lp`, which MC_LP_Assets adds to <body>.
 */

/* ==========================================================================
   1. Font face
   The Cairo web font is enqueued separately (handle `mc-lp-fonts`, filter
   `mc_lp_ui/font_url`). No binaries are bundled. These @font-face rules are a
   no-op unless the active theme happens to self-host Cairo at the conventional
   path, and exist so a theme drop-in works without extra config.
   ========================================================================== */

@supports (font-variation-settings: normal) {
	/* Variable-font hosts are handled by the enqueued stylesheet. */
}

/* ==========================================================================
   2. Scoped reset
   ========================================================================== */

.mc-lp {
	font-family: var(--mc-font-family);
	font-size: var(--mc-font-size-base);
	line-height: var(--mc-leading-body);
	color: var(--mc-color-text);
	/* Figma uses Western digits throughout (4.8, EGP40,413.42). */
	font-variant-numeric: lining-nums tabular-nums;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

.mc-lp *,
.mc-lp *::before,
.mc-lp *::after {
	box-sizing: border-box;
}

/*
 * Element defaults are wrapped in :where() so they carry ZERO specificity.
 *
 * Previously these were written as `.mc-lp a`, `.mc-lp h2`, `.mc-lp p` … which
 * is (0,1,1) — that BEATS a single component class like `.mc-course-card__cta`
 * (0,1,0). The result was silent, screen-wide breakage: `.mc-lp a` repainted the
 * course card's CTA label dark blue on a dark blue button, `.mc-lp h2` overrode
 * every measured heading size on the instructor page with its clamped 3vw value,
 * and `.mc-lp ul` overrode component padding.
 *
 * With :where() these become plain defaults that any component rule overrides,
 * which is what a base layer is supposed to be. Do not "fix" this by adding
 * specificity back here — raise it in the component instead.
 */
:where(.mc-lp img, .mc-lp svg, .mc-lp video, .mc-lp iframe) {
	max-width: 100%;
}

:where(.mc-lp img, .mc-lp video) {
	height: auto;
	display: block;
}

:where(.mc-lp h1, .mc-lp h2, .mc-lp h3, .mc-lp h4, .mc-lp h5, .mc-lp h6) {
	margin: 0;
	font-family: inherit;
	font-weight: var(--mc-font-weight-bold);
	line-height: var(--mc-leading-tight);
	color: var(--mc-color-text);
}

:where(.mc-lp h1) {
	font-size: clamp(var(--mc-font-size-2xl), 4vw, var(--mc-font-size-4xl));
}

:where(.mc-lp h2) {
	font-size: clamp(var(--mc-font-size-xl), 3vw, var(--mc-font-size-3xl));
}

:where(.mc-lp h3) {
	font-size: var(--mc-font-size-2xl);
}

:where(.mc-lp h4) {
	font-size: var(--mc-font-size-xl);
}

:where(.mc-lp h5) {
	font-size: var(--mc-font-size-lg);
}

:where(.mc-lp h6) {
	font-size: var(--mc-font-size-base);
}

:where(.mc-lp p) {
	margin: 0 0 var(--mc-space-4);
}

:where(.mc-lp p:last-child) {
	margin-block-end: 0;
}

:where(.mc-lp a) {
	color: var(--mc-color-primary);
	text-decoration: none;
	transition: color var(--mc-transition-fast);
}

:where(.mc-lp a:hover, .mc-lp a:focus-visible) {
	color: var(--mc-color-primary-hover);
}

:where(.mc-lp ul, .mc-lp ol) {
	margin: 0;
	padding-inline-start: var(--mc-space-5);
}

/* Real class, so it still beats the zero-specificity list default above. */
:where(.mc-lp) .mc-list-plain {
	list-style: none;
	padding-inline-start: 0;
}

:where(.mc-lp figure) {
	margin: 0;
}

:where(.mc-lp button, .mc-lp input, .mc-lp select, .mc-lp textarea) {
	font: inherit;
	color: inherit;
}

.mc-lp :focus-visible {
	outline: 2px solid var(--mc-color-focus);
	outline-offset: 2px;
	border-radius: var(--mc-radius-sm);
}

.mc-lp table {
	border-collapse: collapse;
	width: 100%;
}

/* ==========================================================================
   3. Container & layout
   ========================================================================== */

.mc-container {
	width: 100%;
	max-width: var(--mc-container);
	margin-inline: auto;
	padding-inline: var(--mc-container-gutter);
}

@media (min-width: 768px) {
	:root {
		--mc-container-gutter: var(--mc-space-6);
	}
}

.mc-stack > * + * {
	margin-block-start: var(--mc-space-4);
}

.mc-cluster {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--mc-space-2);
}

.mc-grid {
	display: grid;
	gap: var(--mc-space-5);
}

.mc-section {
	margin-block: var(--mc-space-10);
}

.mc-section__title {
	margin-block-end: var(--mc-space-5);
	font-size: var(--mc-font-size-2xl);
	line-height: var(--mc-leading-2xl);
	font-weight: var(--mc-font-weight-bold);
}

/* Sticky elements drop below md, per plan §7.1. */
.mc-sticky {
	position: static;
}

@media (min-width: 1024px) {
	.mc-sticky {
		position: sticky;
		/*
		 * Must clear the theme's header. `position: sticky` always creates a
		 * stacking context, so a sticky card paints in the positioned layer at
		 * `z-index: auto` — and beats an earlier `position: fixed` header on
		 * document order alone. A z-index cannot fix that tie; the offset has to
		 * be geometric. See --mc-lp-header-height in tokens.css.
		 */
		inset-block-start: calc(var(--mc-lp-header-height, 0px) + var(--mc-sticky-top));
	}
}

/* ==========================================================================
   4. Utilities
   ========================================================================== */

.mc-visually-hidden {
	position: absolute !important;
	width: 1px;
	height: 1px;
	margin: -1px;
	padding: 0;
	overflow: hidden;
	clip: rect(0 0 0 0);
	clip-path: inset(50%);
	white-space: nowrap;
	border: 0;
}

.mc-visually-hidden:focus-within,
.mc-visually-hidden.is-focusable:focus {
	position: static !important;
	width: auto;
	height: auto;
	margin: 0;
	overflow: visible;
	clip: auto;
	clip-path: none;
	white-space: normal;
}

.mc-truncate {
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.mc-clamp-2,
.mc-clamp-3 {
	display: -webkit-box;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.mc-clamp-2 {
	-webkit-line-clamp: 2;
	line-clamp: 2;
}

.mc-clamp-3 {
	-webkit-line-clamp: 3;
	line-clamp: 3;
}

.mc-muted {
	color: var(--mc-color-text-muted);
}

.mc-subtle {
	color: var(--mc-color-text-subtle);
}

.mc-text-sm {
	font-size: var(--mc-font-size-sm);
	line-height: var(--mc-leading-sm);
}

.mc-text-xs {
	font-size: var(--mc-font-size-xs);
	line-height: var(--mc-leading-xs);
}

/* Any wide child (tables, code, diagrams) scrolls inside itself, never the page. */
.mc-scroll-x {
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
	scrollbar-width: thin;
}

/* ==========================================================================
   5. Primitives
   ========================================================================== */

/* --- 5.1 Icons ----------------------------------------------------------- */

.mc-icon {
	width: var(--mc-icon-size);
	height: var(--mc-icon-size);
	flex: none;
	display: inline-block;
	vertical-align: middle;
	fill: currentColor;
	stroke: none;
	pointer-events: none;
}

.mc-icon--sm {
	width: var(--mc-icon-size-sm);
	height: var(--mc-icon-size-sm);
}

.mc-icon--lg {
	width: var(--mc-icon-size-lg);
	height: var(--mc-icon-size-lg);
}

/* Directional glyphs: chevrons, arrows, breadcrumb separators. Flipped in §6. */
.mc-icon--dir {
	transform: none;
}

.mc-lp-sprite {
	display: none !important;
}

/* --- 5.2 Buttons --------------------------------------------------------- */

.mc-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--mc-space-2);
	min-block-size: var(--mc-btn-height);
	min-inline-size: var(--mc-tap-target);
	padding-block: var(--mc-space-3);
	padding-inline: var(--mc-space-6);
	border: 1px solid transparent;
	border-radius: var(--mc-radius-md);
	background: var(--mc-color-primary);
	color: var(--mc-color-text-invert);
	font-size: var(--mc-font-size-base);
	line-height: var(--mc-leading-base);
	/* Measured from Figma (e.g. node 4595:32616): buttons are semibold, not bold. */
	font-weight: var(--mc-font-weight-semibold);
	text-align: center;
	text-decoration: none;
	cursor: pointer;
	transition: background-color var(--mc-transition-fast),
		border-color var(--mc-transition-fast), color var(--mc-transition-fast),
		box-shadow var(--mc-transition-fast);
}

.mc-btn:hover,
.mc-btn:focus-visible {
	background: var(--mc-color-primary-hover);
	color: var(--mc-color-text-invert);
}

.mc-btn[disabled],
.mc-btn.is-disabled,
.mc-btn[aria-disabled="true"] {
	opacity: 0.55;
	cursor: not-allowed;
	pointer-events: none;
}

.mc-btn--secondary {
	background: transparent;
	border-color: var(--mc-color-primary);
	color: var(--mc-color-primary);
}

.mc-btn--secondary:hover,
.mc-btn--secondary:focus-visible {
	background: var(--mc-color-surface-alt);
	border-color: var(--mc-color-primary-hover);
	color: var(--mc-color-primary-hover);
}

.mc-btn--accent {
	background: var(--mc-color-accent);
	color: var(--mc-color-dark-blue);
}

.mc-btn--accent:hover,
.mc-btn--accent:focus-visible {
	background: var(--mc-color-yellow-500);
	color: var(--mc-color-dark-blue);
}

.mc-btn--ghost {
	background: transparent;
	border-color: transparent;
	color: var(--mc-color-text);
}

.mc-btn--ghost:hover,
.mc-btn--ghost:focus-visible {
	background: var(--mc-color-surface);
	color: var(--mc-color-text);
}

/*
 * Small button: 36px tall but the label stays at the base 16/24 size. Measured
 * from Figma (node 4595:32616, "عرض المزيد" — 155x36, 16/24 semibold). The
 * previous 14px label made every small button read as a caption.
 */
.mc-btn--sm {
	min-block-size: var(--mc-btn-height-sm);
	padding-block: var(--mc-space-1-5);
	padding-inline: var(--mc-space-4);
	font-size: var(--mc-font-size-base);
	line-height: var(--mc-leading-base);
}

.mc-btn--block {
	width: 100%;
}

.mc-btn--icon {
	padding-inline: var(--mc-space-3);
}

/* --- 5.3 Chips ----------------------------------------------------------- */

.mc-chip {
	display: inline-flex;
	align-items: center;
	gap: var(--mc-space-1-5);
	padding-block: var(--mc-space-1-5);
	padding-inline: var(--mc-space-3-5);
	border: 1px solid var(--mc-color-border);
	border-radius: var(--mc-radius-full);
	background: var(--mc-color-white);
	color: var(--mc-color-text-muted);
	font-size: var(--mc-font-size-sm);
	line-height: var(--mc-leading-sm);
	font-weight: var(--mc-font-weight-medium);
	white-space: nowrap;
	text-decoration: none;
	transition: background-color var(--mc-transition-fast),
		border-color var(--mc-transition-fast), color var(--mc-transition-fast);
}

.mc-chip:hover,
.mc-chip:focus-visible {
	border-color: var(--mc-color-border-strong);
	color: var(--mc-color-text);
}

.mc-chip--solid {
	background: var(--mc-color-surface);
	border-color: transparent;
	color: var(--mc-color-text);
}

.mc-chip--active,
.mc-chip[aria-pressed="true"],
.mc-chip[aria-selected="true"] {
	background: var(--mc-color-primary);
	border-color: var(--mc-color-primary);
	color: var(--mc-color-text-invert);
}

/* Interactive chips need a real tap target on touch. */
button.mc-chip,
a.mc-chip {
	min-height: var(--mc-tap-target);
	cursor: pointer;
}

@media (min-width: 768px) {
	button.mc-chip,
	a.mc-chip {
		min-height: 0;
	}
}

/* --- 5.4 Cards ----------------------------------------------------------- */

.mc-card {
	position: relative;
	display: flex;
	flex-direction: column;
	background: var(--mc-color-bg);
	border: 1px solid var(--mc-color-border);
	border-radius: var(--mc-radius-lg);
	box-shadow: var(--mc-shadow-card);
	overflow: hidden;
	transition: box-shadow var(--mc-transition), transform var(--mc-transition);
}

.mc-card:hover,
.mc-card:focus-within {
	box-shadow: var(--mc-shadow-lg);
}

.mc-card__media {
	position: relative;
	aspect-ratio: 16 / 9;
	background: var(--mc-color-surface);
	overflow: hidden;
}

.mc-card__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.mc-card__body {
	display: flex;
	flex-direction: column;
	gap: var(--mc-space-2);
	padding: var(--mc-space-4);
	flex: 1 1 auto;
}

.mc-card__footer {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--mc-space-3);
	padding: var(--mc-space-4);
	padding-block-start: 0;
	margin-block-start: auto;
}

.mc-card--flat {
	box-shadow: none;
}

.mc-card--surface {
	background: var(--mc-color-surface);
	border-color: transparent;
}

/* --- 5.5 Badges ---------------------------------------------------------- */

.mc-badge {
	display: inline-flex;
	align-items: center;
	gap: var(--mc-space-1);
	padding-block: var(--mc-space-1);
	padding-inline: var(--mc-space-2);
	border-radius: var(--mc-radius-sm);
	background: var(--mc-color-danger);
	color: var(--mc-color-text-invert);
	font-size: var(--mc-font-size-xs);
	line-height: var(--mc-leading-xs);
	font-weight: var(--mc-font-weight-bold);
	white-space: nowrap;
}

/* The red "جديد" pill floating over a card thumbnail. */
.mc-badge--float {
	position: absolute;
	inset-block-start: var(--mc-space-3);
	inset-inline-start: var(--mc-space-3);
	z-index: 2;
}

.mc-badge--accent {
	background: var(--mc-color-accent);
	color: var(--mc-color-dark-blue);
}

.mc-badge--muted {
	background: var(--mc-color-surface);
	color: var(--mc-color-text-muted);
}

.mc-badge--discount {
	background: var(--mc-color-surface-alt);
	color: var(--mc-color-danger);
}

/* --- 5.6 Stars ----------------------------------------------------------- */
/* Markup contract: templates/parts/rating-stars.php */

.mc-stars {
	display: inline-flex;
	align-items: center;
	gap: var(--mc-space-1-5);
	font-size: var(--mc-font-size-sm);
	line-height: var(--mc-leading-sm);
	font-weight: var(--mc-font-weight-semibold);
	color: var(--mc-color-text);
	white-space: nowrap;
}

.mc-stars__stars {
	position: relative;
	display: inline-block;
	flex: none;
	/* Overlay fill is clipped by width; direction-independent because both
	   layers start at the inline start edge. */
	line-height: 0;
}

.mc-stars__track,
.mc-stars__fill {
	display: inline-flex;
	gap: var(--mc-space-1);
	line-height: 0;
}

.mc-stars__track {
	color: var(--mc-color-star-empty);
}

.mc-stars__fill {
	position: absolute;
	inset-block-start: 0;
	inset-inline-start: 0;
	overflow: hidden;
	color: var(--mc-color-star);
	white-space: nowrap;
}

.mc-stars__star {
	width: var(--mc-icon-size-sm);
	height: var(--mc-icon-size-sm);
	flex: none;
	fill: currentColor;
}

.mc-stars--sm .mc-stars__star {
	width: 14px;
	height: 14px;
}

.mc-stars--lg .mc-stars__star {
	width: var(--mc-icon-size-lg);
	height: var(--mc-icon-size-lg);
}

.mc-stars__value {
	font-weight: var(--mc-font-weight-bold);
}

.mc-stars__count {
	color: var(--mc-color-text-muted);
	font-weight: var(--mc-font-weight-regular);
}

/* --- 5.7 Progress -------------------------------------------------------- */

.mc-progress {
	display: block;
	width: 100%;
	height: 8px;
	border-radius: var(--mc-radius-full);
	background: var(--mc-color-slate-200);
	overflow: hidden;
}

.mc-progress__bar {
	display: block;
	height: 100%;
	width: 0;
	border-radius: inherit;
	background: var(--mc-color-primary);
	transition: width var(--mc-transition);
}

.mc-progress--accent .mc-progress__bar {
	background: var(--mc-color-accent);
}

.mc-progress--thin {
	height: 6px;
}

/* Rating histogram rows reuse the same bar. */
.mc-progress--rating .mc-progress__bar {
	background: var(--mc-color-star);
}

/* --- 5.8 Accordion ------------------------------------------------------- */

.mc-accordion {
	display: flex;
	flex-direction: column;
	gap: var(--mc-space-3);
}

.mc-accordion__item {
	border: 1px solid var(--mc-color-border);
	border-radius: var(--mc-radius-lg);
	background: var(--mc-color-bg);
	overflow: hidden;
}

.mc-accordion__header {
	margin: 0;
}

.mc-accordion__trigger {
	display: flex;
	align-items: center;
	gap: var(--mc-space-3);
	width: 100%;
	min-height: var(--mc-tap-target);
	padding: var(--mc-space-4);
	border: 0;
	background: var(--mc-color-surface);
	color: var(--mc-color-text);
	font-size: var(--mc-font-size-base);
	line-height: var(--mc-leading-base);
	font-weight: var(--mc-font-weight-semibold);
	text-align: start;
	cursor: pointer;
	transition: background-color var(--mc-transition-fast);
}

.mc-accordion__trigger:hover {
	background: var(--mc-color-slate-200);
}

.mc-accordion__title {
	flex: 1 1 auto;
	min-width: 0;
}

.mc-accordion__meta {
	flex: none;
	color: var(--mc-color-text-muted);
	font-size: var(--mc-font-size-sm);
	line-height: var(--mc-leading-sm);
	font-weight: var(--mc-font-weight-regular);
}

.mc-accordion__indicator {
	flex: none;
	transition: transform var(--mc-transition);
}

.mc-accordion__trigger[aria-expanded="true"] .mc-accordion__indicator {
	transform: rotate(180deg);
}

.mc-accordion__panel {
	padding: var(--mc-space-4);
	border-block-start: 1px solid var(--mc-color-border);
}

.mc-accordion__panel[hidden] {
	display: none;
}

/* --- 5.9 Media frames ---------------------------------------------------- */

.mc-media {
	position: relative;
	width: 100%;
	border-radius: var(--mc-radius-lg);
	overflow: hidden;
	background: var(--mc-color-surface);
}

.mc-media--video {
	aspect-ratio: 16 / 9;
}

.mc-media--video iframe,
.mc-media--video video,
.mc-media--video embed,
.mc-media--video object {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	border: 0;
}

.mc-media__image {
	width: 100%;
	height: auto;
	object-fit: cover;
}

/* --- 5.10 Forms ---------------------------------------------------------- */

.mc-field {
	display: flex;
	flex-direction: column;
	gap: var(--mc-space-1-5);
}

.mc-input,
.mc-select,
.mc-textarea {
	width: 100%;
	min-height: var(--mc-btn-height);
	padding-block: var(--mc-space-2);
	padding-inline: var(--mc-space-4);
	border: 1px solid var(--mc-color-control-border);
	border-radius: var(--mc-radius-md);
	background: var(--mc-color-bg);
	color: var(--mc-color-text);
	font-size: var(--mc-font-size-base);
	line-height: var(--mc-leading-base);
	transition: border-color var(--mc-transition-fast), box-shadow var(--mc-transition-fast);
}

.mc-textarea {
	min-height: 120px;
	padding-block: var(--mc-space-3);
	resize: vertical;
}

.mc-input:focus,
.mc-select:focus,
.mc-textarea:focus {
	border-color: var(--mc-color-primary);
	box-shadow: var(--mc-ring);
	outline: none;
}

.mc-input::placeholder,
.mc-textarea::placeholder {
	color: var(--mc-color-text-subtle);
}

.mc-label {
	font-size: var(--mc-font-size-sm);
	line-height: var(--mc-leading-sm);
	font-weight: var(--mc-font-weight-semibold);
}

/* --- 5.11 Meta rows ------------------------------------------------------ */

.mc-meta {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--mc-space-3);
	color: var(--mc-color-text-muted);
	font-size: var(--mc-font-size-sm);
	line-height: var(--mc-leading-sm);
}

.mc-meta__item {
	display: inline-flex;
	align-items: center;
	gap: var(--mc-space-1-5);
}

.mc-meta__item .mc-icon {
	color: var(--mc-color-text-subtle);
}

/* --- 5.12 Price ---------------------------------------------------------- */

.mc-price {
	display: inline-flex;
	align-items: baseline;
	flex-wrap: wrap;
	gap: var(--mc-space-2);
}

.mc-price__current {
	font-size: var(--mc-font-size-xl);
	line-height: var(--mc-leading-xl);
	font-weight: var(--mc-font-weight-bold);
	color: var(--mc-color-text);
}

.mc-price__regular {
	color: var(--mc-color-text-muted);
	font-size: var(--mc-font-size-sm);
	line-height: var(--mc-leading-sm);
	text-decoration: line-through;
}

/* ==========================================================================
   6. RTL
   Logical properties handle layout automatically. Only glyphs that encode a
   direction need flipping.
   ========================================================================== */

[dir="rtl"] .mc-icon--dir {
	transform: scaleX(-1);
}

/* Star fill is anchored to the inline start edge, which flips with `dir`, so no
   RTL rule is needed for .mc-stars__fill. Line-through and tabular numerals also
   stay LTR-correct because the digits themselves are Western. */

[dir="rtl"] .mc-lp {
	text-align: start;
}

/* ==========================================================================
   7. Motion & print
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
	.mc-lp *,
	.mc-lp *::before,
	.mc-lp *::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
		scroll-behavior: auto !important;
	}
}

@media print {
	.mc-lp .mc-btn,
	.mc-lp .mc-chip,
	.mc-lp-sprite {
		display: none !important;
	}

	.mc-lp .mc-card {
		box-shadow: none;
		break-inside: avoid;
	}
}
