:root {
	--bg: #f7f8fa;
	--fg: #111318;
	--muted: #5c6573;
	--line: #d7dde7;
	--surface: #ffffff;
	--accent: #1d4ed8;
	--accent-soft: #eaf0fc;
	--font: "Google Sans", ui-sans-serif, system-ui, sans-serif;
	--mono: "Google Sans Code", ui-monospace, monospace;
	--max: 1200px;
}

:root[data-theme="dark"] {
	--bg: #0a0c10;
	--fg: #eef2f7;
	--muted: #9aa5b5;
	--line: #2a3342;
	--surface: #12171f;
	--accent: #60a5fa;
	--accent-soft: #152033;
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	font-family: var(--font), serif;
	background:
		radial-gradient(700px 320px at 10% -5%, rgba(37, 99, 235, 0.12), transparent 60%),
		var(--bg);
	color: var(--fg);
	line-height: 1.7;
	text-rendering: optimizeLegibility;
	-webkit-font-smoothing: antialiased;
}

:root[data-theme="dark"] body {
	background:
		radial-gradient(700px 320px at 10% -5%, rgba(96, 165, 250, 0.1), transparent 60%),
		var(--bg);
}

a {
	color: var(--accent);
	text-decoration-thickness: 1px;
	text-underline-offset: 0.15em;
}

a:hover {
	text-decoration: none;
}

.theme-toggle {
	position: fixed;
	top: 1rem;
	right: 1rem;
	width: 2.2rem;
	height: 2.2rem;
	border-radius: 999px;
	border: 1px solid var(--line);
	background: var(--surface);
	color: var(--fg);
	cursor: pointer;
	display: grid;
	place-items: center;
	z-index: 10;
	transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease;
}

.theme-toggle:hover {
	color: var(--accent);
	border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
	background: var(--accent-soft);
}

.theme-toggle .icon {
	width: 1.2rem;
	height: 1.2rem;
	color: inherit;
}

.page,
.site-footer {
	width: min(100% - 2rem, var(--max));
	margin-inline: auto;
}

.page {
	padding: 2.5rem 0 3rem;
}

.intro {
	display: grid;
	grid-template-columns: 11rem minmax(0, 1fr);
	gap: 2rem 2.25rem;
	align-items: start;
	padding-bottom: 0.5rem;
}

.avatar {
	width: 11rem;
	height: 11rem;
	border-radius: 24px;
	object-fit: cover;
	border: 1px solid var(--line);
}

.intro-main {
	min-width: 0;
}

.intro-title {
	padding-top: 0.15rem;
	margin-bottom: 1rem;
}

.intro h1 {
	margin: 0;
	font-size: clamp(2.4rem, 5vw, 3.6rem);
	letter-spacing: -0.05em;
	line-height: 1.05;
}

.tagline {
	margin: 0.55rem 0 0;
	color: var(--accent);
	font-family: var(--mono), serif;
	font-size: 0.82rem;
	letter-spacing: 0.04em;
}

.prose {
	border-left: 2px solid color-mix(in srgb, var(--accent) 45%, var(--line));
	padding-left: 1rem;
	margin: 0;
	white-space: pre-line;
	color: color-mix(in srgb, var(--fg) 88%, var(--muted));
	columns: 2;
	column-gap: 2rem;
}

.prose strong {
	color: var(--fg);
	font-weight: 600;
}

.contact,
.links,
.feeds,
.channels {
	margin-top: 2.6rem;
	padding-top: 1.8rem;
	border-top: 1px solid var(--line);
}

h2 {
	margin: 0;
	font-size: 1.25rem;
	letter-spacing: -0.03em;
}

.section-note {
	margin: 0.3rem 0 0;
	color: var(--muted);
	font-size: 0.95rem;
}

.link-list {
	list-style: none;
	margin: 1rem 0 0;
	padding: 0;
	display: grid;
	gap: 0.55rem;
	grid-template-columns: repeat(3, minmax(0, 1fr));
}

.link-list.compact {
	grid-template-columns: repeat(4, minmax(0, 1fr));
}

.link-group {
	margin-top: 1.4rem;
}

.link-group h3 {
	margin: 0 0 0.55rem;
	font-size: 0.78rem;
	font-family: var(--mono), serif;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--muted);
	font-weight: 500;
}

.link {
	display: flex;
	align-items: center;
	gap: 0.7rem;
	padding: 0.7rem 0.85rem;
	border-radius: 12px;
	border: 1px solid var(--line);
	background: transparent;
	color: var(--fg);
	text-decoration: none;
	font: inherit;
	cursor: pointer;
	transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease;
}

.link:hover {
	color: var(--accent);
	background: var(--accent-soft);
	border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
}

.icon {
	flex: 0 0 auto;
	display: inline-block;
	width: 1.2rem;
	height: 1.2rem;
	color: var(--accent);
	background-color: currentColor;
	-webkit-mask: var(--icon) center / contain no-repeat;
	mask: var(--icon) center / contain no-repeat;
	transition: color 0.25s ease;
}

.link strong {
	font-weight: 600;
	letter-spacing: -0.02em;
	transition: color 0.25s ease;
}


.feed-list {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 0.85rem 1.5rem;
	margin-top: 1rem;
}

.repo-card {
	display: grid;
	gap: 0.25rem;
	padding: 0.85rem 0;
	border-bottom: 1px solid var(--line);
	text-decoration: none;
	color: inherit;
}

.repo-card h3 {
	margin: 0;
	font-size: 1rem;
	letter-spacing: -0.02em;
}

.repo-card p,
.muted {
	margin: 0;
	color: var(--muted);
	font-size: 0.92rem;
}

.repo-meta {
	font-family: var(--mono), serif;
	font-size: 0.75rem;
	color: var(--muted);
}

.channel-board {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 0.85rem;
	margin-top: 1rem;
}

.channel-tile {
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	gap: 1.1rem;
	min-height: 11rem;
	padding: 1.15rem 1.2rem;
	border: 1px solid var(--line);
	border-radius: 16px;
	background: transparent;
	transition: border-color 0.25s ease, background-color 0.25s ease;
}

.channel-tile:hover {
	border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
	background: var(--accent-soft);
}

.channel-badge {
	display: inline-block;
	margin-bottom: 0.55rem;
	font-family: var(--mono), serif;
	font-size: 0.72rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--accent);
}

.channel-tile h3 {
	margin: 0;
	font-size: 1.2rem;
	letter-spacing: -0.03em;
}

.channel-tile p {
	margin: 0.4rem 0 0;
	color: var(--muted);
	font-size: 0.92rem;
}

.channel-tile-actions {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 0.45rem;
}

.channel-tile-actions a {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.4rem;
	line-height: 1;
	padding: 0.55rem 0.65rem;
	border-radius: 10px;
	border: 1px solid var(--line);
	background: transparent;
	color: var(--fg);
	text-decoration: none;
	font-size: 0.88rem;
	font-weight: 600;
	transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease;
}

.channel-tile-actions a:hover {
	color: var(--accent);
	border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
	background: var(--accent-soft);
}

.channel-tile-actions .icon {
	width: 1rem;
	height: 1rem;
	/* Brand glyphs sit slightly low vs. text cap-height */
	transform: translateY(-1px);
}

.more {
	margin: 0.9rem 0 0;
}

.more a {
	font-weight: 600;
	text-decoration: none;
	transition: color 0.25s ease;
}

.more a:hover {
	text-decoration: underline;
}

.site-footer {
	padding: 0 0 2.4rem;
	color: var(--muted);
	font-size: 0.88rem;
}

.site-footer p {
	margin: 0 0 0.35rem;
}

.beian {
	display: flex;
	flex-wrap: wrap;
	gap: 0.45rem;
	align-items: center;
}

.beian a {
	color: var(--muted);
	text-decoration: none;
	transition: color 0.25s ease;
}

.beian a:hover {
	color: var(--accent);
}

@media (max-width: 1000px) {
	.prose {
		columns: 1;
	}

	.link-list,
	.feed-list,
	.channel-board {
		grid-template-columns: 1fr 1fr;
	}

	.link-list.compact {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}
}

@media (max-width: 900px) {
	.intro {
		grid-template-columns: 7.5rem minmax(0, 1fr);
		gap: 1.1rem 1.25rem;
	}

	.avatar {
		width: 7.5rem;
		height: 7.5rem;
		border-radius: 20px;
	}

	.link-list,
	.link-list.compact,
	.feed-list,
	.channel-board {
		grid-template-columns: 1fr 1fr;
	}

}

@media (max-width: 560px) {
	.page {
		padding-top: 3.2rem;
	}

	.intro {
		grid-template-columns: 1fr;
	}

	.link-list,
	.link-list.compact,
	.feed-list,
	.channel-board {
		grid-template-columns: 1fr;
	}
}