/**
 * JT Tutorial Simple — production theme styles.
 *
 * @package JT_Tutorial_Simple
 */

:root {
	--jt-ts-bg: #f6f7f9;
	--jt-ts-surface: #ffffff;
	--jt-ts-surface-2: #eef1f5;
	--jt-ts-border: #e2e8f0;
	--jt-ts-text: #1e293b;
	--jt-ts-muted: #64748b;
	--jt-ts-accent: #2563eb;
	--jt-ts-accent-hover: #1d4ed8;
	--jt-ts-accent-soft: #eff6ff;
	--jt-ts-success: #059669;
	--jt-ts-sidebar-w: clamp(240px, 16vw, 300px);
	--jt-ts-toc-w: clamp(180px, 14vw, 240px);
	--jt-ts-pad-x: clamp(20px, 4vw, 48px);
	--jt-ts-shell: 100%;
	--jt-ts-radius: 10px;
	--jt-ts-shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 8px 24px rgba(15, 23, 42, 0.04);
	--jt-ts-font: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

body.jt-ts-site {
	margin: 0;
	background: var(--jt-ts-bg);
	color: var(--jt-ts-text);
	font-family: var(--jt-ts-font);
	font-size: 16px;
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
}

.jt-ts-site a {
	color: var(--jt-ts-accent);
	text-decoration: none;
}

.jt-ts-site a:hover {
	color: var(--jt-ts-accent-hover);
}

/* ── Site chrome ── */
.jt-ts-site-header {
	background: var(--jt-ts-surface);
	border-bottom: 1px solid var(--jt-ts-border);
}

.jt-ts-site-header__inner {
	display: flex;
	align-items: center;
	gap: 16px;
	width: 100%;
	max-width: none;
	margin: 0;
	padding: 14px var(--jt-ts-pad-x);
}

.jt-ts-brand {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	font-size: 15px;
	font-weight: 700;
	color: var(--jt-ts-text);
}

.jt-ts-brand__mark {
	display: grid;
	place-items: center;
	width: 34px;
	height: 34px;
	border-radius: 8px;
	background: var(--jt-ts-accent);
	color: #fff;
	font-size: 14px;
	font-weight: 800;
}

.jt-ts-site-nav {
	display: flex;
	flex-wrap: wrap;
	gap: 4px 14px;
	margin: 0 0 0 auto;
	padding: 0;
	list-style: none;
}

.jt-ts-site-nav li {
	margin: 0;
}

.jt-ts-site-nav a,
.jt-ts-site-nav .current-menu-item > a,
.jt-ts-site-nav .current_page_item > a {
	font-size: 14px;
	font-weight: 500;
	color: var(--jt-ts-muted);
}

.jt-ts-site-nav a:hover,
.jt-ts-site-nav .current-menu-item > a,
.jt-ts-site-nav .current_page_item > a {
	color: var(--jt-ts-accent);
}

.custom-logo-link {
	display: inline-flex;
	align-items: center;
	margin-right: auto;
}

.custom-logo-link img {
	display: block;
	max-height: 40px;
	width: auto;
}

.jt-ts-search {
	flex: 1 1 180px;
	max-width: 280px;
	margin-left: auto;
}

.jt-ts-search input {
	width: 100%;
	padding: 9px 14px;
	border: 1px solid var(--jt-ts-border);
	border-radius: 8px;
	background: var(--jt-ts-bg);
	color: var(--jt-ts-text);
	font: inherit;
	font-size: 14px;
}

.jt-ts-search input:focus {
	outline: none;
	border-color: var(--jt-ts-accent);
	box-shadow: 0 0 0 3px var(--jt-ts-accent-soft);
}

/* ── Layout shells ── */
.jt-ts-page {
	width: 100%;
	max-width: none;
	margin: 0;
	padding: clamp(28px, 5vw, 48px) var(--jt-ts-pad-x) clamp(48px, 8vw, 72px);
}

.jt-ts-page--narrow {
	width: 100%;
	max-width: none;
}

.jt-ts-layout {
	display: grid;
	grid-template-columns: var(--jt-ts-sidebar-w) minmax(0, 1fr);
	gap: clamp(24px, 4vw, 40px);
	align-items: start;
}

.jt-ts-layout--toc {
	grid-template-columns: var(--jt-ts-sidebar-w) minmax(0, 1fr) var(--jt-ts-toc-w);
}

/* ── Sidebar ── */
.jt-ts-sidebar {
	position: sticky;
	top: 72px;
	align-self: start;
	max-height: calc(100vh - 88px);
	overflow: auto;
	padding: 16px;
	background: var(--jt-ts-surface);
	border: 1px solid var(--jt-ts-border);
	border-radius: var(--jt-ts-radius);
	box-shadow: var(--jt-ts-shadow);
}

.jt-ts-sidebar__title {
	margin: 0 0 12px;
	font-size: 12px;
	font-weight: 700;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--jt-ts-muted);
}

.jt-ts-nav {
	margin: 0;
	padding: 0;
	list-style: none;
}

.jt-ts-nav li + li {
	margin-top: 2px;
}

.jt-ts-nav a {
	display: block;
	padding: 8px 10px;
	border-radius: 6px;
	font-size: 14px;
	font-weight: 500;
	color: var(--jt-ts-muted);
}

.jt-ts-nav a:hover {
	background: var(--jt-ts-surface-2);
	color: var(--jt-ts-text);
}

.jt-ts-nav li.is-active > a,
.jt-ts-nav a.is-active {
	background: var(--jt-ts-accent-soft);
	color: var(--jt-ts-accent);
	font-weight: 600;
}

.jt-ts-nav__group {
	margin: 16px 0 6px;
	padding: 0 10px;
	font-size: 11px;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--jt-ts-muted);
}

.jt-ts-nav__child a {
	padding-left: 22px;
	font-size: 13px;
}

/* ── Home hero ── */
.jt-ts-hero {
	text-align: center;
	padding: clamp(32px, 6vw, 56px) var(--jt-ts-pad-x) clamp(24px, 4vw, 36px);
}

.jt-ts-hero h1 {
	margin: 0 0 10px;
	font-size: clamp(1.75rem, 4vw, 2.25rem);
	font-weight: 800;
	letter-spacing: -0.03em;
}

.jt-ts-hero p {
	margin: 0 auto;
	max-width: 520px;
	color: var(--jt-ts-muted);
	font-size: 17px;
}

.jt-ts-hero-search {
	display: flex;
	justify-content: center;
	margin-top: 24px;
}

.jt-ts-hero-search input {
	width: min(100%, 560px);
	padding: 14px 18px;
	border: 1px solid var(--jt-ts-border);
	border-radius: 12px;
	background: var(--jt-ts-surface);
	font: inherit;
	font-size: 15px;
	box-shadow: var(--jt-ts-shadow);
}

/* ── Category cards (archive home) ── */
.jt-ts-cat-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
	gap: 16px;
}

.jt-ts-cat-card {
	display: flex;
	flex-direction: column;
	gap: 8px;
	padding: 20px;
	background: var(--jt-ts-surface);
	border: 1px solid var(--jt-ts-border);
	border-radius: var(--jt-ts-radius);
	box-shadow: var(--jt-ts-shadow);
	transition: border-color 0.15s ease, transform 0.15s ease;
}

.jt-ts-cat-card:hover {
	border-color: #bfdbfe;
	transform: translateY(-2px);
}

.jt-ts-cat-card__icon {
	font-size: 22px;
	line-height: 1;
}

.jt-ts-cat-card h2 {
	margin: 0;
	font-size: 17px;
	font-weight: 700;
}

.jt-ts-cat-card h2 a {
	color: var(--jt-ts-text);
}

.jt-ts-cat-card h2 a:hover {
	color: var(--jt-ts-accent);
}

.jt-ts-cat-card p {
	margin: 0;
	font-size: 14px;
	color: var(--jt-ts-muted);
}

.jt-ts-cat-card__count {
	display: inline-block;
	margin-top: auto;
	padding-top: 8px;
	font-size: 12px;
	font-weight: 600;
	color: var(--jt-ts-accent);
}

/* ── Article list (category archive) ── */
.jt-ts-breadcrumb {
	margin: 0 0 16px;
	font-size: 13px;
	color: var(--jt-ts-muted);
}

.jt-ts-page-head h1 {
	margin: 0 0 8px;
	font-size: clamp(1.5rem, 3vw, 2rem);
	font-weight: 800;
	letter-spacing: -0.02em;
}

.jt-ts-page-head p {
	margin: 0 0 28px;
	color: var(--jt-ts-muted);
}

.jt-ts-article-list {
	margin: 0;
	padding: 0;
	list-style: none;
	background: var(--jt-ts-surface);
	border: 1px solid var(--jt-ts-border);
	border-radius: var(--jt-ts-radius);
	overflow: hidden;
}

.jt-ts-article-list li {
	border-bottom: 1px solid var(--jt-ts-border);
}

.jt-ts-article-list li:last-child {
	border-bottom: 0;
}

.jt-ts-article-list a {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 16px 18px;
	color: var(--jt-ts-text);
}

.jt-ts-article-list a:hover {
	background: var(--jt-ts-accent-soft);
}

.jt-ts-article-list__title {
	font-size: 15px;
	font-weight: 600;
}

.jt-ts-article-list__meta {
	flex-shrink: 0;
	font-size: 12px;
	color: var(--jt-ts-muted);
}

/* ── Single article ── */
.jt-ts-article-meta {
	margin: 0 0 24px;
	font-size: 13px;
	color: var(--jt-ts-muted);
}

.jt-ts-content h2 {
	margin: 2em 0 0.75em;
	font-size: 1.35rem;
	font-weight: 700;
	letter-spacing: -0.02em;
}

.jt-ts-content h3 {
	margin: 1.5em 0 0.5em;
	font-size: 1.1rem;
	font-weight: 700;
}

.jt-ts-content p,
.jt-ts-content ul,
.jt-ts-content ol {
	margin: 0 0 1em;
}

.jt-ts-content ul,
.jt-ts-content ol {
	padding-left: 1.35em;
}

.jt-ts-content code {
	padding: 0.12em 0.4em;
	border-radius: 4px;
	background: var(--jt-ts-surface-2);
	font-size: 0.9em;
}

.jt-ts-content pre {
	margin: 0 0 1.25em;
	padding: 16px;
	overflow: auto;
	border-radius: 8px;
	background: #0f172a;
	color: #e2e8f0;
	font-size: 13px;
	line-height: 1.55;
}

.jt-ts-callout {
	margin: 1.5em 0;
	padding: 14px 16px;
	border-left: 4px solid var(--jt-ts-accent);
	border-radius: 0 8px 8px 0;
	background: var(--jt-ts-accent-soft);
	font-size: 15px;
}

.jt-ts-post-nav {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	justify-content: space-between;
	margin-top: 40px;
	padding-top: 24px;
	border-top: 1px solid var(--jt-ts-border);
}

.jt-ts-post-nav a {
	display: flex;
	flex-direction: column;
	gap: 4px;
	max-width: 46%;
	padding: 12px 14px;
	border: 1px solid var(--jt-ts-border);
	border-radius: 8px;
	background: var(--jt-ts-surface);
	font-size: 13px;
	color: var(--jt-ts-muted);
}

.jt-ts-post-nav a strong {
	font-size: 14px;
	color: var(--jt-ts-text);
}

.jt-ts-post-nav a:hover {
	border-color: #bfdbfe;
	background: var(--jt-ts-accent-soft);
}

/* ── TOC ── */
.jt-ts-toc {
	position: sticky;
	top: 72px;
	padding: 14px;
	background: var(--jt-ts-surface);
	border: 1px solid var(--jt-ts-border);
	border-radius: var(--jt-ts-radius);
}

.jt-ts-toc__title {
	margin: 0 0 10px;
	font-size: 11px;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--jt-ts-muted);
}

.jt-ts-toc ol {
	margin: 0;
	padding-left: 1.1em;
	font-size: 13px;
}

.jt-ts-toc li + li {
	margin-top: 6px;
}

.jt-ts-toc a {
	color: var(--jt-ts-muted);
}

.jt-ts-toc a.is-active,
.jt-ts-toc a:hover {
	color: var(--jt-ts-accent);
	font-weight: 600;
}

/* ── Footer ── */
.jt-ts-site-footer {
	margin-top: auto;
	padding: 24px 0;
	border-top: 1px solid var(--jt-ts-border);
	background: var(--jt-ts-surface);
	font-size: 13px;
	color: var(--jt-ts-muted);
	text-align: center;
}

/* ── Hub index ── */
.jt-ts-hub-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
	gap: 16px;
}

.jt-ts-hub-card {
	display: block;
	padding: 20px;
	background: var(--jt-ts-surface);
	border: 1px solid var(--jt-ts-border);
	border-radius: var(--jt-ts-radius);
	box-shadow: var(--jt-ts-shadow);
	color: inherit;
}

.jt-ts-hub-card:hover {
	border-color: #bfdbfe;
}

.jt-ts-hub-card h2 {
	margin: 0 0 8px;
	font-size: 17px;
}

.jt-ts-hub-card p {
	margin: 0;
	font-size: 14px;
	color: var(--jt-ts-muted);
}

.jt-ts-hub-card code {
	font-size: 12px;
}

.jt-ts-mobile-toggle {
	display: none;
	margin-left: auto;
	padding: 8px 12px;
	border: 1px solid var(--jt-ts-border);
	border-radius: 8px;
	background: var(--jt-ts-surface);
	font: inherit;
	font-size: 13px;
	cursor: pointer;
}

@media (max-width: 900px) {
	.jt-ts-layout,
	.jt-ts-layout--toc {
		grid-template-columns: 1fr;
	}

	.jt-ts-sidebar,
	.jt-ts-toc {
		position: static;
		max-height: none;
	}

	.jt-ts-toc {
		display: none;
	}

	.jt-ts-mobile-toggle {
		display: inline-flex;
	}

	.jt-ts-layout.is-sidebar-open .jt-ts-sidebar {
		display: block;
	}

	.jt-ts-layout:not(.is-sidebar-open) .jt-ts-sidebar {
		display: none;
	}

	.jt-ts-site-header__inner {
		flex-wrap: wrap;
	}

	.jt-ts-search {
		order: 3;
		flex: 1 1 100%;
		max-width: none;
		margin-left: 0;
	}
}

/* ── WordPress extras ── */
.screen-reader-text {
	border: 0;
	clip: rect(1px, 1px, 1px, 1px);
	clip-path: inset(50%);
	height: 1px;
	margin: -1px;
	overflow: hidden;
	padding: 0;
	position: absolute;
	width: 1px;
	word-wrap: normal !important;
}

.jt-ts-search-form {
	margin: 0;
}

.jt-ts-toc__sub {
	padding-left: 0.75em;
}

.jt-ts-footer-nav {
	margin-top: 10px;
}

.jt-ts-footer-nav ul {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 8px 16px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.jt-ts-footer-nav a {
	color: var(--jt-ts-muted);
	font-size: 13px;
}

.navigation.pagination,
.nav-links {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-top: 24px;
}

.page-numbers {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 36px;
	height: 36px;
	padding: 0 10px;
	border: 1px solid var(--jt-ts-border);
	border-radius: 8px;
	background: var(--jt-ts-surface);
	color: var(--jt-ts-text);
	font-size: 13px;
}

.jt-ts-404-help {
	margin: 0 0 20px;
	padding-left: 1.25em;
	color: var(--jt-ts-muted);
}

.jt-ts-404-help a {
	font-weight: 600;
}