:root {
	--tg-bg: #ffffff;
	--tg-text: #1a1d21;
	--tg-hint: #6b7280;
	--tg-surface: #f3f4f6;
	--tg-accent: #2563eb;
	--ok: #15803d;
	--warn: #b45309;
	--bad: #b91c1c;
	--ok-bg: #dcfce7;
	--warn-bg: #fef3c7;
	--bad-bg: #fee2e2;
}
@media (prefers-color-scheme: dark) {
	:root {
		--tg-bg: #0f1216;
		--tg-text: #e5e7eb;
		--tg-hint: #9ca3af;
		--tg-surface: #1a1f26;
		--tg-accent: #60a5fa;
		--ok: #4ade80;
		--warn: #fbbf24;
		--bad: #f87171;
		--ok-bg: #14301f;
		--warn-bg: #3a2c0b;
		--bad-bg: #3b1515;
	}
}
* {
	box-sizing: border-box;
}
body {
	margin: 0;
	background: var(--tg-bg);
	color: var(--tg-text);
	font:
		15px / 1.45 system-ui,
		-apple-system,
		"Segoe UI",
		sans-serif;
	padding: env(safe-area-inset-top) 12px env(safe-area-inset-bottom);
}
main {
	max-width: 720px;
	margin: 0 auto;
	padding: 12px 0 32px;
}
.banner {
	padding: 14px 16px;
	border-radius: 12px;
	margin-bottom: 12px;
}
.banner.ok {
	background: var(--ok-bg);
	color: var(--ok);
}
.banner.warn {
	background: var(--warn-bg);
	color: var(--warn);
}
.banner.bad {
	background: var(--bad-bg);
	color: var(--bad);
}
.banner .reason {
	margin-top: 4px;
	font-size: 14px;
}
.banner .sum {
	margin-top: 6px;
	font-size: 13px;
	opacity: 0.8;
}
.tabs {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 8px;
	margin-bottom: 8px;
}
.filters {
	display: flex;
	gap: 8px;
	overflow-x: auto;
	padding-bottom: 8px;
}
button {
	font: inherit;
	color: inherit;
	background: var(--tg-surface);
	border: 1px solid transparent;
	border-radius: 999px;
	padding: 8px 14px;
	white-space: nowrap;
	cursor: pointer;
}
.tab {
	border-radius: 12px;
	padding: 8px 6px;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 2px;
	min-width: 0;
}
.tab-name {
	font-weight: 600;
}
.tab-chips {
	font-size: 12px;
	color: var(--tg-hint);
}
button:focus-visible {
	outline: 2px solid var(--tg-accent);
	outline-offset: 2px;
}
button.active {
	border-color: var(--tg-accent);
	font-weight: 600;
}
.tab.warn {
	box-shadow: inset 0 -3px 0 var(--warn);
}
.tab.bad {
	box-shadow: inset 0 -3px 0 var(--bad);
}
.chip {
	padding: 5px 12px;
	font-size: 13px;
}
.updated {
	color: var(--tg-hint);
	margin: 8px 0;
}
.updated.warn {
	color: var(--warn);
	font-weight: 600;
}
.updated.bad {
	color: var(--bad);
	font-weight: 600;
}
.cards {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: 10px;
}
.card {
	--state: var(--ok); /* 每张卡的状态色只定义一次：左边条、徽标、进度条共用 */
	background: var(--tg-surface);
	border-radius: 12px;
	padding: 12px 14px;
	border-left: 4px solid var(--state);
}
.card.due,
.card.expiring {
	--state: var(--warn);
}
.card.unresolved {
	--state: var(--bad);
}
.card.legacy {
	--state: var(--tg-hint);
}
.card-head {
	display: flex;
	justify-content: space-between;
	gap: 8px;
	align-items: baseline;
	margin-bottom: 6px;
}
.label {
	font-weight: 600;
}
.badge {
	font-size: 12px;
	color: var(--tg-hint);
}
.badge.due,
.badge.expiring,
.badge.unresolved {
	color: var(--state);
}
progress.age {
	width: 100%;
	height: 8px;
	margin-bottom: 6px;
	accent-color: var(--state);
}
.meta {
	display: flex;
	flex-wrap: wrap;
	gap: 4px 14px;
	color: var(--tg-hint);
	font-size: 13px;
}
h2 {
	font-size: 14px;
	color: var(--tg-hint);
	margin: 20px 0 8px;
	font-weight: 600;
}
.strip {
	display: flex;
	flex-wrap: wrap;
	gap: 3px;
}
.tick {
	display: inline-block;
	min-width: 18px;
	font-size: 13px;
	text-align: center;
}
.legend {
	color: var(--tg-hint);
	font-size: 12px;
	margin: 8px 0 0;
}
.empty {
	color: var(--tg-hint);
	padding: 16px 4px;
}