:root {
	--bg: #f7f7f5;
	--fg: #1d1d1f;
	--muted: #5c5c63;
	--card: #ffffff;
	--border: #d9d9de;
	--accent: #2557d6;
	--pass: #1d7a3e;
	--pass-bg: #e3f4e8;
	--warn: #8a5a00;
	--warn-bg: #fdf1d8;
	--fail: #b42318;
	--fail-bg: #fde7e5;
	--idle: #5c5c63;
	--idle-bg: #ececef;
	color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
	:root {
		--bg: #18181b;
		--fg: #ececee;
		--muted: #a1a1aa;
		--card: #222226;
		--border: #3a3a40;
		--accent: #7aa2ff;
		--pass: #6fd690;
		--pass-bg: #173322;
		--warn: #f2c25c;
		--warn-bg: #3a2d10;
		--fail: #ff8a80;
		--fail-bg: #3d1a17;
		--idle: #a1a1aa;
		--idle-bg: #2e2e33;
	}
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
	margin: 0;
	background: var(--bg);
	color: var(--fg);
	font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

main {
	max-width: 46rem;
	margin: 0 auto;
	padding: 24px 16px 48px;
}

h1 { font-size: 1.6rem; line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 1.15rem; margin: 0 0 8px; }
h3 { font-size: 1rem; margin: 0; }
p { margin: 0; }

.lead, .note { color: var(--muted); }
.note { font-size: 0.9rem; }

.verdict, .panel, .check {
	background: var(--card);
	border: 1px solid var(--border);
	border-radius: 10px;
}

.verdict {
	margin: 24px 0 16px;
	padding: 16px;
	border-left-width: 6px;
}
.verdict.checking { border-left-color: var(--idle); }
.verdict.ready { border-left-color: var(--pass); }
.verdict.limited { border-left-color: var(--warn); }
.verdict.unsupported { border-left-color: var(--fail); }
.verdict ul { margin: 8px 0 0; padding-left: 20px; }
.verdict ul:empty { display: none; }

.checks {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: 8px;
}

.check {
	display: grid;
	grid-template-columns: auto 1fr;
	column-gap: 12px;
	row-gap: 2px;
	padding: 12px 14px;
}
.check .badge { grid-row: span 2; align-self: start; }
.check .detail { color: var(--muted); font-size: 0.95rem; overflow-wrap: anywhere; }

.badge {
	display: inline-block;
	min-width: 5.5em;
	padding: 2px 8px;
	border-radius: 999px;
	font-size: 0.8rem;
	font-weight: 600;
	text-align: center;
	color: var(--idle);
	background: var(--idle-bg);
}
.badge.pass { color: var(--pass); background: var(--pass-bg); }
.badge.warn { color: var(--warn); background: var(--warn-bg); }
.badge.fail { color: var(--fail); background: var(--fail-bg); }

.panel { margin-top: 16px; padding: 16px; }
.panel .note { margin-bottom: 12px; }

.action {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px 12px;
	margin-top: 12px;
}
.action .note { flex: 1 1 16rem; margin: 0; }

.status { margin-top: 8px; overflow-wrap: anywhere; }
.status:empty { display: none; }
.action .status { margin: 0; }

button {
	font: inherit;
	font-weight: 600;
	padding: 8px 16px;
	border-radius: 8px;
	border: 1px solid var(--accent);
	background: var(--accent);
	color: var(--bg);
	cursor: pointer;
}
button:disabled {
	cursor: default;
	border-color: var(--border);
	background: var(--idle-bg);
	color: var(--muted);
}

button:focus-visible, textarea:focus-visible {
	outline: 3px solid var(--accent);
	outline-offset: 2px;
}

textarea {
	display: block;
	width: 100%;
	margin-top: 12px;
	padding: 8px;
	font: 0.85rem/1.4 ui-monospace, Consolas, "Courier New", monospace;
	color: var(--fg);
	background: var(--bg);
	border: 1px solid var(--border);
	border-radius: 8px;
	resize: vertical;
}