:root {
	color-scheme: light dark;
	--bg: #ffffff;
	--fg: #16181d;
	--muted: #5f6672;
	--rule: #e6e8ec;
	--surface: #f5f6f8;
	--accent: #2f6feb;
	--accent-fg: #ffffff;
	--warn: #9a5b00;
	--measure: 40rem;
	font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
	font-size: 17px;
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}

@media (prefers-color-scheme: dark) {
	:root {
		--bg: #0f1013;
		--fg: #eceef2;
		--muted: #9aa1ad;
		--rule: #24262c;
		--surface: #17191d;
		--accent: #5b8ff2;
		--accent-fg: #0f1013;
		--warn: #e0a24a;
	}
}

* { box-sizing: border-box; }

body {
	margin: 0;
	background: var(--bg);
	color: var(--fg);
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }

code, pre {
	font-family: ui-monospace, "SF Mono", SFMono-Regular, Menlo, monospace;
	font-size: 0.88em;
}
code { background: var(--surface); border-radius: 4px; padding: 0.1em 0.35em; }
pre {
	background: var(--surface);
	border: 1px solid var(--rule);
	border-radius: 8px;
	padding: 0.9rem 1rem;
	overflow-x: auto;
	line-height: 1.5;
}
pre code { background: none; padding: 0; }

.wrap { max-width: var(--measure); margin: 0 auto; padding: 0 1.25rem; }

header.site {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	padding: 1.75rem 0 0;
}
.wordmark {
	font-weight: 650;
	letter-spacing: -0.01em;
	color: var(--fg);
	text-decoration: none;
	font-size: 1.05rem;
}
nav a { color: var(--muted); text-decoration: none; margin-left: 1.25rem; font-size: 0.94rem; }
nav a:hover { color: var(--fg); }

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; font-weight: 650; }
h1 { font-size: clamp(2.1rem, 5vw, 2.9rem); margin: 4.5rem 0 1rem; letter-spacing: -0.03em; }
h2 { font-size: 1.35rem; margin: 3.25rem 0 0.75rem; }
h3 { font-size: 1.02rem; margin: 1.75rem 0 0.35rem; letter-spacing: -0.01em; }

.lede { font-size: 1.2rem; color: var(--muted); max-width: 34rem; margin: 0 0 2rem; }
.accent { color: var(--accent); }
.muted { color: var(--muted); }

.features { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--rule); }
.features li { padding: 1rem 0; border-bottom: 1px solid var(--rule); }
.features strong { display: block; font-weight: 600; }
.features span { color: var(--muted); }

.prose p, .prose li { max-width: var(--measure); }
.prose ul { padding-left: 1.2rem; }
.prose li + li { margin-top: 0.35rem; }
.updated { color: var(--muted); font-size: 0.94rem; margin-top: -0.5rem; }

footer.site {
	margin: 5rem 0 3rem;
	padding-top: 1.25rem;
	border-top: 1px solid var(--rule);
	color: var(--muted);
	font-size: 0.9rem;
	display: flex;
	gap: 1.25rem;
	flex-wrap: wrap;
}
footer.site a { color: var(--muted); }

/* OAuth pages */
body.auth { display: grid; place-items: center; min-height: 100vh; padding: 1.5rem; }
.card { width: 100%; max-width: 30rem; }
.card h1 { font-size: 1.6rem; margin: 1.5rem 0 1rem; }
.card .grants { padding-left: 1.2rem; }
.warning { color: var(--warn); }
.actions { display: flex; gap: 0.75rem; margin-top: 1.75rem; flex-wrap: wrap; }
button {
	font: inherit;
	font-size: 0.97rem;
	padding: 0.6rem 1.1rem;
	border-radius: 8px;
	border: 1px solid var(--rule);
	background: var(--surface);
	color: var(--fg);
	cursor: pointer;
}
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-fg); font-weight: 600; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }