:root {
	--ai-bg: oklch(1 0 0);
	--ai-surface: oklch(0.97 0.008 33.5);
	--ai-ink: oklch(0.22 0.018 28);
	--ai-muted: oklch(0.46 0.018 28);
	--ai-border: oklch(0.89 0.012 33.5);
	--ai-primary: oklch(0.56 0.18 33.5);
	--ai-primary-dark: oklch(0.44 0.16 33.5);
	--ai-accent: oklch(0.34 0.09 220);
	--ai-success: oklch(0.48 0.12 155);
	--ai-space-xs: 0.5rem;
	--ai-space-sm: 0.75rem;
	--ai-space-md: 1rem;
	--ai-space-lg: 1.5rem;
	--ai-space-xl: 2rem;
	--ai-space-2xl: clamp(3rem, 7vw, 6rem);
}

html {
	scroll-behavior: smooth;
}

body {
	background: var(--ai-bg);
	color: var(--ai-ink);
	font-family: "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
	font-size: 1rem;
	line-height: 1.75;
}

a {
	text-underline-offset: 0.2em;
}

a:hover {
	color: var(--ai-primary-dark);
	text-decoration: underline;
}

:focus-visible {
	outline: 3px solid var(--ai-accent);
	outline-offset: 3px;
}

.wp-site-blocks {
	min-height: 100vh;
}

.ai-shell {
	padding-inline: max(1rem, env(safe-area-inset-left));
}

.ai-header {
	border-bottom: 1px solid var(--ai-border);
	padding-block: 0.75rem;
}

.ai-header__inner,
.ai-footer__inner {
	align-items: center;
	display: flex;
	gap: var(--ai-space-lg);
	justify-content: space-between;
	margin-inline: auto;
	max-width: 1180px;
}

.ai-header .wp-block-site-title {
	font-size: clamp(1.1rem, 3vw, 1.45rem);
	font-weight: 800;
	letter-spacing: -0.025em;
	white-space: nowrap;
}

.ai-header .wp-block-navigation-item__content,
.ai-header .wp-block-button__link {
	align-items: center;
	display: inline-flex;
	min-height: 44px;
}

.ai-header .wp-block-button__link {
	padding: 0.5rem 1rem;
}

.ai-main {
	margin-inline: auto;
	max-width: 1180px;
	padding-block: var(--ai-space-2xl);
}

.ai-hero {
	align-items: start;
	display: grid;
	gap: clamp(2rem, 5vw, 5rem);
	grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
}

.ai-hero h1 {
	font-size: clamp(2.35rem, 7vw, 5rem);
	letter-spacing: -0.035em;
	line-height: 1.05;
	margin: 0;
	max-width: 10ch;
	text-wrap: balance;
}

.ai-hero h1 strong {
	color: var(--ai-primary);
}

.ai-hero__lede {
	color: var(--ai-muted);
	font-size: clamp(1.05rem, 2vw, 1.2rem);
	max-width: 38rem;
	text-wrap: pretty;
}

.ai-actions {
	display: flex;
	flex-wrap: wrap;
	gap: var(--ai-space-sm);
}

.ai-actions .wp-block-button__link {
	align-items: center;
	display: inline-flex;
	justify-content: center;
	min-height: 44px;
}

.ai-button--outline .wp-block-button__link {
	background: var(--ai-bg);
	border: 1px solid var(--ai-primary);
	color: var(--ai-primary-dark);
}

.ai-route {
	border: 1px solid var(--ai-border);
	border-radius: 12px;
	padding: clamp(1.25rem, 3vw, 2rem);
}

.ai-route__steps {
	display: grid;
	gap: 1rem;
	grid-template-columns: repeat(3, 1fr);
	list-style: none;
	margin: 1.5rem 0 0;
	padding: 0;
}

.ai-route__steps li {
	border-top: 2px solid var(--ai-primary);
	padding-top: 0.75rem;
}

.ai-route__steps strong,
.ai-route__steps span {
	display: block;
}

.ai-route__steps span {
	color: var(--ai-muted);
	font-size: 0.9rem;
}

.ai-section {
	margin-top: var(--ai-space-2xl);
}

.ai-section__head {
	align-items: end;
	display: flex;
	gap: var(--ai-space-lg);
	justify-content: space-between;
	margin-bottom: var(--ai-space-lg);
}

.ai-section h2 {
	font-size: clamp(1.8rem, 4vw, 3rem);
	margin: 0;
	text-wrap: balance;
}

.ai-task-list {
	border-block: 1px solid var(--ai-border);
}

.ai-task {
	align-items: center;
	border-bottom: 1px solid var(--ai-border);
	display: grid;
	gap: var(--ai-space-md);
	grid-template-columns: minmax(130px, 0.8fr) minmax(220px, 1.5fr) minmax(220px, 1.5fr);
	min-height: 96px;
	padding-block: var(--ai-space-md);
}

.ai-task:last-child {
	border-bottom: 0;
}

.ai-task h3 {
	font-size: 1.2rem;
	margin: 0;
}

.ai-task p {
	color: var(--ai-muted);
	margin: 0;
}

.ai-task a {
	align-items: center;
	display: inline-flex;
	min-height: 44px;
}

.ai-principles {
	background: var(--ai-surface);
	display: grid;
	gap: var(--ai-space-xl);
	grid-template-columns: minmax(180px, 0.65fr) minmax(0, 1.35fr);
	padding: clamp(1.5rem, 5vw, 3.5rem);
}

.ai-principles ul {
	display: grid;
	gap: 1rem;
	list-style: none;
	margin: 0;
	padding: 0;
}

.ai-principles li {
	border-bottom: 1px solid var(--ai-border);
	padding-bottom: 1rem;
}

.ai-content {
	max-width: 72ch;
}

.ai-content > * + * {
	margin-top: 1.25rem;
}

.ai-content h1 {
	font-size: clamp(2.2rem, 6vw, 4.5rem);
	text-wrap: balance;
}

.ai-directory__filters {
	align-items: end;
	background: var(--ai-surface);
	display: grid;
	gap: var(--ai-space-md);
	grid-template-columns: minmax(180px, 1.4fr) repeat(2, minmax(140px, 0.8fr)) auto;
	margin-block: 2rem;
	padding: clamp(1rem, 3vw, 1.5rem);
}

.ai-directory__filters label,
.ai-directory__filters label span {
	display: block;
}

.ai-directory__filters label span {
	font-size: 0.875rem;
	font-weight: 700;
	margin-bottom: 0.35rem;
}

.ai-directory__filters input,
.ai-directory__filters select {
	background: var(--ai-bg);
	border: 1px solid var(--ai-border);
	border-radius: 4px;
	color: var(--ai-ink);
	font: inherit;
	min-height: 44px;
	padding: 0.55rem 0.7rem;
	width: 100%;
}

.ai-directory__actions {
	align-items: center;
	display: flex;
	gap: 0.75rem;
}

.ai-directory__actions button {
	background: var(--ai-primary);
	border: 0;
	border-radius: 4px;
	color: var(--ai-bg);
	cursor: pointer;
	font: inherit;
	font-weight: 700;
	min-height: 44px;
	padding: 0.55rem 1rem;
}

.ai-directory__actions a {
	align-items: center;
	display: inline-flex;
	min-height: 44px;
	white-space: nowrap;
}

.ai-directory__count {
	color: var(--ai-muted);
	font-size: 0.9rem;
}

.ai-directory__results {
	border-top: 1px solid var(--ai-border);
}

.ai-directory-item {
	align-items: start;
	border-bottom: 1px solid var(--ai-border);
	display: grid;
	gap: var(--ai-space-xl);
	grid-template-columns: minmax(0, 1.6fr) minmax(210px, 0.7fr);
	padding-block: 1.5rem;
}

.ai-directory-item h2 {
	font-size: clamp(1.35rem, 3vw, 1.8rem);
	margin-block: 0.2rem 0.5rem;
}

.ai-directory-item p {
	margin-block: 0.25rem;
}

.ai-directory-item__meta {
	color: var(--ai-primary-dark);
	font-size: 0.875rem;
	font-weight: 700;
}

.ai-directory-item dl,
.ai-detail-meta {
	margin: 0;
}

.ai-directory-item dl {
	display: grid;
	grid-template-columns: auto 1fr;
}

.ai-directory-item dt,
.ai-directory-item dd {
	border-bottom: 1px solid var(--ai-border);
	margin: 0;
	padding-block: 0.35rem;
}

.ai-directory-item dt {
	color: var(--ai-muted);
	padding-right: 0.75rem;
}

.ai-detail-meta {
	background: var(--ai-surface);
	display: grid;
	gap: 1px;
	grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
	margin-block: 1.5rem 2rem;
}

.ai-detail-meta div {
	background: var(--ai-bg);
	border: 1px solid var(--ai-border);
	padding: 1rem;
}

.ai-detail-meta dt {
	color: var(--ai-muted);
	font-size: 0.85rem;
}

.ai-detail-meta dd {
	font-weight: 700;
	margin: 0.2rem 0 0;
}

.ai-detail-links {
	margin-bottom: 2rem;
}

.ai-tool-poster {
	margin-block: 1.5rem 2rem;
	max-width: 560px;
}

.ai-tool-poster img {
	height: auto;
	width: 100%;
}

.workbuddy-invite-disclosure {
	background: var(--ai-surface);
	border: 1px solid var(--ai-border);
	margin-block: 1.5rem;
	padding: 1rem;
}

.ai-library-entry__links {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
}

.ai-library-entry__links a {
	align-items: center;
	display: inline-flex;
	min-height: 44px;
}

.ai-footer {
	background: var(--ai-ink);
	color: var(--ai-bg);
	margin-top: var(--ai-space-2xl);
	padding-block: 2rem;
}

.ai-footer a {
	color: var(--ai-bg);
}

@media (max-width: 760px) {
	.ai-header__inner,
	.ai-footer__inner,
	.ai-section__head {
		align-items: flex-start;
		flex-direction: column;
	}

	.ai-hero,
	.ai-principles {
		grid-template-columns: 1fr;
	}

	.ai-route__steps {
		grid-template-columns: 1fr;
	}

	.ai-task {
		grid-template-columns: 1fr;
		padding-block: 1.25rem;
	}

	.ai-directory__filters,
	.ai-directory-item {
		grid-template-columns: 1fr;
	}
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}
}