/*
 * ZayedMD header + footer styles.
 * Source: docs/design/canvas-source/02-components.jsx (NavBar, Footer).
 */

/* ─── Skip link ────────────────────────────────────────────────────── */

.skip-link {
	position: absolute;
	inset-inline-start: 0;
	inset-block-start: 0;
	padding: 8px 14px;
	background: var(--ink);
	color: var(--paper);
	font-family: var(--sans);
	font-size: 13px;
	z-index: 1000;
	transform: translateY(-200%);
	transition: transform .2s;
}

.skip-link:focus {
	transform: translateY(0);
}

/* ─── Site header / NavBar ─────────────────────────────────────────── */

.zmd-site-header {
	border-bottom: 1px solid var(--rule);
	background: var(--paper);
	position: relative;
}

.zmd-site-header__inner {
	display: flex;
	align-items: center;
	gap: 28px;
	padding: 20px 56px;
}

.zmd-brand {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	color: var(--ink);
	flex-shrink: 0;
}

.zmd-brand__mark {
	width: 34px;
	height: 34px;
	font-size: 17px;
	border-radius: 2px;
}

.zmd-brand__wordmark {
	font-family: var(--serif);
	font-weight: 600;
	font-size: 17px;
	letter-spacing: -0.02em;
}

.zmd-brand__accent {
	color: var(--accent);
}

/* Primary nav — horizontal links with accent underline on active. */

.zmd-primary-nav {
	flex: 1;
	margin-inline-start: 24px;
}

.zmd-primary-nav__list {
	display: flex;
	gap: 22px;
	list-style: none;
	margin: 0;
	padding: 0;
}

.zmd-primary-nav__list li {
	margin: 0;
}

.zmd-primary-nav__list a {
	font-family: var(--sans);
	font-size: 14px;
	font-weight: 500;
	color: var(--muted);
	padding-bottom: 4px;
	border-bottom: 2px solid transparent;
	transition: color .15s, border-color .15s;
}

body.rtl .zmd-primary-nav__list a {
	font-family: var(--arabic);
}

.zmd-primary-nav__list a:hover {
	color: var(--ink);
}

.zmd-primary-nav__list .zmd-nav-active a,
.zmd-primary-nav__list .current-menu-item a {
	color: var(--ink);
	border-bottom-color: var(--accent);
}

/* Nav action cluster (lang, theme, search). */

.zmd-nav-actions {
	display: flex;
	align-items: center;
	gap: 16px;
}

.zmd-lang-switcher,
.zmd-lang-switcher--placeholder {
	font-family: var(--sans);
	font-size: 12px;
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	padding: 6px 10px;
	border: 1px solid var(--rule-strong);
	background: transparent;
	color: var(--ink);
	cursor: pointer;
	border-radius: 2px;
	line-height: 1;
}

body.rtl .zmd-lang-switcher,
body.rtl .zmd-lang-switcher--placeholder {
	letter-spacing: 0;
	text-transform: none;
	font-family: var(--arabic);
}

.zmd-lang-switcher:hover,
.zmd-lang-switcher--placeholder:hover {
	border-color: var(--ink);
}

/* Polylang renders <ul> children — reset list styles. */
.zmd-lang-switcher ul {
	display: inline-flex;
	gap: 8px;
	list-style: none;
	margin: 0;
	padding: 0;
}

.zmd-lang-switcher li {
	margin: 0;
	line-height: 1;
}

.zmd-lang-switcher a {
	color: inherit;
}

.zmd-lang-switcher .current-lang {
	font-weight: 700;
}

.zmd-theme-toggle,
.zmd-search-toggle {
	background: transparent;
	border: 0;
	padding: 4px;
	color: var(--muted);
	cursor: pointer;
	line-height: 0;
	transition: color .15s;
}

.zmd-theme-toggle:hover,
.zmd-search-toggle:hover {
	color: var(--ink);
}

/* Show sun in light mode, moon in dark. */
.zmd-theme-toggle__moon { display: none; }
[data-theme="dark"] .zmd-theme-toggle__sun { display: none; }
[data-theme="dark"] .zmd-theme-toggle__moon { display: inline-block; }

.zmd-mobile-toggle {
	display: none;
	background: transparent;
	border: 0;
	padding: 4px;
	color: var(--ink);
	cursor: pointer;
	line-height: 0;
}

@media (max-width: 900px) {
	.zmd-site-header__inner {
		padding: 14px 22px;
		gap: 14px;
	}
	.zmd-primary-nav,
	.zmd-search-toggle {
		display: none;
	}
	.zmd-mobile-toggle {
		display: inline-block;
	}
}

/* ─── Search panel (toggled) ───────────────────────────────────────── */

.zmd-search-panel {
	background: var(--paper-subtle);
	border-top: 1px solid var(--rule);
	padding: 18px 56px;
}

.zmd-searchform {
	display: flex;
	gap: 8px;
	max-width: 640px;
	margin-inline: auto;
}

.zmd-searchform__input {
	flex: 1;
}

@media (max-width: 720px) {
	.zmd-search-panel {
		padding: 14px 22px;
	}
}

/* ─── Mobile panel (toggled) ───────────────────────────────────────── */

.zmd-mobile-panel {
	background: var(--paper);
	border-top: 1px solid var(--rule);
	padding: 18px 22px;
}

.zmd-mobile-panel__list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 14px;
}

.zmd-mobile-panel__list a {
	font-family: var(--sans);
	font-size: 16px;
	color: var(--ink);
	padding: 6px 0;
	display: block;
}

body.rtl .zmd-mobile-panel__list a {
	font-family: var(--arabic);
}

.zmd-mobile-panel__actions {
	margin-top: 18px;
	padding-top: 14px;
	border-top: 1px solid var(--rule);
}

/* ─── Site footer ──────────────────────────────────────────────────── */

.zmd-site-footer {
	background: var(--paper-subtle);
	border-top: 1px solid var(--rule);
	padding: 56px 56px 28px;
}

.zmd-site-footer__inner {
	display: grid;
	grid-template-columns: 1.4fr 1fr 1fr 1fr;
	gap: 40px;
}

.zmd-site-footer__brand {
	display: flex;
	flex-direction: column;
	gap: 14px;
}

.zmd-site-footer__mark {
	width: 32px;
	height: 32px;
	font-size: 16px;
	border-radius: 2px;
}

.zmd-site-footer__tagline {
	font-family: var(--serif);
	font-size: 14px;
	color: var(--ink-soft);
	max-width: 320px;
	line-height: 1.55;
}

body.rtl .zmd-site-footer__tagline {
	font-family: var(--arabic);
}

.zmd-site-footer__group {
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.zmd-site-footer__heading {
	color: var(--ink);
}

.zmd-site-footer__list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.zmd-site-footer__list li {
	margin: 0;
}

.zmd-site-footer__list a {
	font-family: var(--sans);
	font-size: 13px;
	color: var(--ink-soft);
	transition: color .15s;
}

body.rtl .zmd-site-footer__list a {
	font-family: var(--arabic);
}

.zmd-site-footer__list a:hover {
	color: var(--ink);
}

.zmd-site-footer__bottom {
	margin-top: 36px;
	padding-top: 18px;
	border-top: 1px solid var(--rule);
	display: flex;
	justify-content: space-between;
	font-family: var(--sans);
	font-size: 12px;
	color: var(--muted);
}

body.rtl .zmd-site-footer__bottom {
	font-family: var(--arabic);
}

@media (max-width: 720px) {
	.zmd-site-footer {
		padding: 36px 22px 22px;
	}
	.zmd-site-footer__inner {
		grid-template-columns: 1fr;
		gap: 28px;
	}
	.zmd-site-footer__bottom {
		flex-direction: column;
		gap: 8px;
		font-size: 11px;
	}
}