/* ---------------------------------------------------------------------------
   Tokens. Dark values are declared twice on purpose: the media query follows
   the OS setting, the [data-theme] scope follows the in-page toggle, and the
   toggle must win in both directions.
   --------------------------------------------------------------------------- */

:root {
	color-scheme: light;

	--surface: #fcfcfb;
	--plane: #f9f9f7;
	--ink: #0b0b0b;
	--ink-2: #52514e;
	--ink-muted: #898781;
	--grid: #e1e0d9;
	--axis: #c3c2b7;
	--hair: rgba(11, 11, 11, 0.1);
	--wash: rgba(11, 11, 11, 0.04);

	/* Categorical slots — validated as a set (see README). */
	--people: #eb6834;
	--planet: #1baf7a;
	--prosperity: #2a78d6;
	--timeframe: #eda100;

	--focus: #2a78d6;

	--radius: 10px;
	--sans: system-ui, -apple-system, "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
}

@media (prefers-color-scheme: dark) {
	:root:not([data-theme="light"]) {
		color-scheme: dark;

		--surface: #1a1a19;
		--plane: #0d0d0d;
		--ink: #ffffff;
		--ink-2: #c3c2b7;
		--ink-muted: #898781;
		--grid: #2c2c2a;
		--axis: #383835;
		--hair: rgba(255, 255, 255, 0.1);
		--wash: rgba(255, 255, 255, 0.06);

		--people: #d95926;
		--planet: #199e70;
		--prosperity: #3987e5;
		--timeframe: #c98500;

		--focus: #3987e5;
	}
}

:root[data-theme="dark"] {
	color-scheme: dark;

	--surface: #1a1a19;
	--plane: #0d0d0d;
	--ink: #ffffff;
	--ink-2: #c3c2b7;
	--ink-muted: #898781;
	--grid: #2c2c2a;
	--axis: #383835;
	--hair: rgba(255, 255, 255, 0.1);
	--wash: rgba(255, 255, 255, 0.06);

	--people: #d95926;
	--planet: #199e70;
	--prosperity: #3987e5;
	--timeframe: #c98500;

	--focus: #3987e5;
}

*,
*::before,
*::after {
	box-sizing: border-box;
}

body {
	margin: 0 auto;
	padding: 2rem 1.5rem 4rem;
	max-width: 1220px;
	background: var(--plane);
	color: var(--ink);
	font-family: var(--sans);
	font-size: 15px;
	line-height: 1.65;
	-webkit-text-size-adjust: 100%;
}

h1,
h2,
h3 {
	line-height: 1.3;
	margin: 0;
}

a {
	color: inherit;
	text-underline-offset: 0.2em;
	text-decoration-color: var(--axis);
}

a:hover {
	text-decoration-color: currentColor;
}

:focus-visible {
	outline: 2px solid var(--focus);
	outline-offset: 2px;
	border-radius: 4px;
}

.visually-hidden {
	position: absolute;
	width: 1px;
	height: 1px;
	margin: -1px;
	padding: 0;
	overflow: hidden;
	clip-path: inset(50%);
	white-space: nowrap;
}

/* --- masthead ----------------------------------------------------------- */

.masthead {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem 1.5rem;
	align-items: flex-start;
	justify-content: space-between;
	padding-bottom: 1.25rem;
	border-bottom: 1px solid var(--hair);
}

.masthead__title {
	font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2rem);
	letter-spacing: -0.02em;
}

.masthead__sub {
	margin: 0.35rem 0 0;
	max-width: 62ch;
	color: var(--ink-2);
	font-size: 0.9rem;
}

.masthead__actions {
	display: flex;
	gap: 0.5rem;
}

.dataline {
	margin: 0.85rem 0 0;
	color: var(--ink-muted);
	font-size: 0.8rem;
}

.dataline--error {
	color: var(--people);
}

/* --- controls ----------------------------------------------------------- */

.btn {
	appearance: none;
	border: 1px solid var(--hair);
	border-radius: 999px;
	background: var(--surface);
	color: var(--ink);
	padding: 0.4rem 0.9rem;
	font: inherit;
	font-size: 0.85rem;
	cursor: pointer;
}

.btn:hover {
	background: var(--wash);
}

.btn--quiet {
	border-color: transparent;
	background: transparent;
	color: var(--ink-2);
	text-decoration: underline;
	text-decoration-color: var(--axis);
	padding-inline: 0.4rem;
}

.btn--icon {
	padding-inline: 0.7rem;
}

.btn[disabled] {
	opacity: 0.55;
	cursor: default;
}

.input {
	width: 100%;
	border: 1px solid var(--hair);
	border-radius: 8px;
	background: var(--surface);
	color: var(--ink);
	padding: 0.4rem 0.6rem;
	font: inherit;
	font-size: 0.875rem;
}

.range {
	width: 100%;
	accent-color: var(--prosperity);
}

.filters {
	display: grid;
	gap: 0.9rem;
	margin-top: 1.25rem;
	padding: 1rem 1.1rem;
	background: var(--surface);
	border: 1px solid var(--hair);
	border-radius: var(--radius);
}

.filters__row {
	display: flex;
	flex-wrap: wrap;
	gap: 0.9rem 1.25rem;
	align-items: flex-end;
}

.field {
	display: grid;
	gap: 0.25rem;
	min-width: 11rem;
}

.field--grow {
	flex: 1 1 22rem;
}

.field--check {
	display: flex;
	align-items: center;
	gap: 1rem;
	min-width: 0;
}

.field__label {
	display: flex;
	align-items: center;
	gap: 0.4rem;
	color: var(--ink-2);
	font-size: 0.75rem;
	font-weight: 600;
	letter-spacing: 0.02em;
}

.check {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	color: var(--ink-2);
	font-size: 0.8rem;
	white-space: nowrap;
}

.key {
	width: 10px;
	height: 10px;
	border-radius: 3px;
	flex: none;
}

.key--people {
	background: var(--people);
}
.key--planet {
	background: var(--planet);
}
.key--prosperity {
	background: var(--prosperity);
}
.key--timeframe {
	background: var(--timeframe);
}

.chips {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.4rem;
	margin: 0;
	padding: 0;
	border: 0;
}

.chips legend {
	float: left;
	width: 100%;
	padding: 0 0 0.3rem;
}

.chip {
	position: relative;
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
	border: 1px solid var(--hair);
	border-radius: 999px;
	background: var(--surface);
	color: var(--ink-2);
	padding: 0.25rem 0.7rem;
	font-size: 0.8rem;
	cursor: pointer;
	white-space: nowrap;
}

.chip input {
	position: absolute;
	opacity: 0;
	pointer-events: none;
}

.chip:hover {
	background: var(--wash);
}

.chip:has(input:checked) {
	background: var(--ink);
	border-color: var(--ink);
	color: var(--surface);
}

.chip:has(input:focus-visible) {
	outline: 2px solid var(--focus);
	outline-offset: 2px;
}

.chip__count {
	font-variant-numeric: tabular-nums;
	opacity: 0.7;
}

/* --- stats -------------------------------------------------------------- */

.stats {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
	gap: 0.75rem;
	margin-top: 1.25rem;
}

.stat {
	display: grid;
	gap: 0.1rem;
	align-content: start;
	padding: 0.8rem 1rem;
	background: var(--surface);
	border: 1px solid var(--hair);
	border-radius: var(--radius);
}

.stat__label {
	color: var(--ink-2);
	font-size: 0.75rem;
	font-weight: 600;
}

.stat__value {
	font-size: 1.75rem;
	font-weight: 600;
	letter-spacing: -0.02em;
	line-height: 1.2;
}

.stat__note {
	color: var(--ink-muted);
	font-size: 0.72rem;
}

/* --- view bar ----------------------------------------------------------- */

.viewbar {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem 1rem;
	align-items: center;
	justify-content: space-between;
	margin: 1.5rem 0 0.9rem;
}

.tabs {
	display: inline-flex;
	gap: 0.2rem;
	padding: 0.2rem;
	background: var(--surface);
	border: 1px solid var(--hair);
	border-radius: 999px;
}

.tab {
	appearance: none;
	border: 0;
	border-radius: 999px;
	background: transparent;
	color: var(--ink-2);
	padding: 0.35rem 0.95rem;
	font: inherit;
	font-size: 0.85rem;
	cursor: pointer;
}

.tab[aria-selected="true"] {
	background: var(--ink);
	color: var(--surface);
}

.viewbar__count {
	margin: 0;
	color: var(--ink-2);
	font-size: 0.85rem;
	font-variant-numeric: tabular-nums;
}

/* --- cards -------------------------------------------------------------- */

.cards {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(20rem, 1fr));
	gap: 0.85rem;
	margin: 0;
	padding: 0;
	list-style: none;
}

.cards > li {
	display: grid;
}

.card {
	display: flex;
	flex-direction: column;
	height: 100%;
	gap: 0.6rem;
	padding: 1rem 1.1rem 1.1rem;
	background: var(--surface);
	border: 1px solid var(--hair);
	border-radius: var(--radius);
}

.card:hover {
	border-color: var(--axis);
}

.card__top {
	display: flex;
	gap: 0.75rem;
	align-items: baseline;
	justify-content: space-between;
}

.card__cat {
	color: var(--ink-muted);
	font-size: 0.72rem;
	font-weight: 600;
	letter-spacing: 0.03em;
	text-transform: uppercase;
}

.card__score {
	font-size: 0.78rem;
	color: var(--ink-2);
	font-variant-numeric: tabular-nums;
	white-space: nowrap;
}

.card__score b {
	font-size: 1.25rem;
	color: var(--ink);
}

.card__title {
	font-size: 1rem;
	font-weight: 600;
	letter-spacing: -0.01em;
}

.card__title a {
	text-decoration: none;
}

.card__title a:hover {
	text-decoration: underline;
	text-decoration-color: var(--axis);
}

.card__rationale {
	margin: 0;
	color: var(--ink-2);
	font-size: 0.82rem;
	display: -webkit-box;
	-webkit-line-clamp: 3;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.card__foot {
	display: flex;
	gap: 0.6rem;
	align-items: flex-end;
	justify-content: space-between;
	margin-top: auto;
	padding-top: 0.2rem;
}

.tags {
	display: flex;
	flex: 1 1 auto;
	flex-wrap: wrap;
	gap: 0.3rem;
	margin: 0;
	padding: 0;
	list-style: none;
}

.card__foot .btn {
	flex: none;
}

.tag {
	border: 1px solid var(--hair);
	border-radius: 999px;
	padding: 0.1rem 0.55rem;
	color: var(--ink-2);
	font-size: 0.72rem;
}

.tag--muted {
	color: var(--ink-muted);
	border-style: dotted;
}

/* --- dimension bars (3 discrete steps + colour + value word) ------------- */

.bars {
	display: grid;
	gap: 0.3rem;
}

.bar {
	display: grid;
	grid-template-columns: 5.9rem 1fr auto;
	align-items: center;
	gap: 0.5rem;
}

.bar__k {
	display: flex;
	align-items: center;
	gap: 0.35rem;
	color: var(--ink-2);
	font-size: 0.74rem;
}

.bar__track {
	display: flex;
	gap: 2px;
	height: 8px;
}

.bar__step {
	flex: 1;
	background: var(--grid);
}

.bar__step:first-child {
	border-radius: 4px 0 0 4px;
}

.bar__step:last-child {
	border-radius: 0 4px 4px 0;
}

.bar__step--on {
	background: var(--bar-color);
}

.bar__v {
	color: var(--ink-2);
	font-size: 0.74rem;
	min-width: 6.5rem;
	text-align: right;
	font-variant-numeric: tabular-nums;
}

/* --- panels, matrix, table ---------------------------------------------- */

.panel {
	padding: 1.1rem 1.2rem 1.3rem;
	background: var(--surface);
	border: 1px solid var(--hair);
	border-radius: var(--radius);
}

.panel__head {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
	align-items: flex-end;
	justify-content: space-between;
	margin-bottom: 1.1rem;
}

.panel__title {
	font-size: 1.05rem;
}

.panel__sub {
	margin: 0.2rem 0 0;
	max-width: 60ch;
	color: var(--ink-2);
	font-size: 0.82rem;
}

.matrix-wrap {
	overflow-x: auto;
}

.matrix {
	display: grid;
	grid-template-columns: max-content repeat(3, minmax(7.5rem, 1fr));
	gap: 2px;
	min-width: 30rem;
}

.matrix__corner,
.matrix__col,
.matrix__row {
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--ink-2);
	font-size: 0.78rem;
	font-weight: 600;
	padding: 0.35rem 0.5rem;
}

.matrix__row {
	justify-content: flex-end;
	text-align: right;
	gap: 0.4rem;
}

.matrix__axis {
	color: var(--ink-muted);
	font-size: 0.72rem;
	font-weight: 400;
}

.cell {
	appearance: none;
	border: 0;
	border-radius: 6px;
	padding: 0.9rem 0.5rem;
	min-height: 3.4rem;
	display: grid;
	place-content: center;
	gap: 0.1rem;
	font: inherit;
	cursor: pointer;
	background: var(--cell-bg);
	color: var(--cell-fg);
}

.cell[data-count="0"] {
	cursor: default;
	box-shadow: inset 0 0 0 1px var(--hair);
}

.cell__n {
	font-size: 1.1rem;
	font-weight: 600;
	line-height: 1;
}

.cell__u {
	font-size: 0.68rem;
	opacity: 0.85;
}

.cell[aria-pressed="true"] {
	outline: 2px solid var(--ink);
	outline-offset: 1px;
}

.scale {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	margin-top: 0.9rem;
	color: var(--ink-muted);
	font-size: 0.72rem;
}

.scale__steps {
	display: flex;
	gap: 2px;
}

.scale__step {
	width: 26px;
	height: 8px;
	border-radius: 2px;
}

.matrix-detail {
	margin-top: 1.1rem;
	padding-top: 1rem;
	border-top: 1px solid var(--hair);
}

.matrix-detail:empty {
	border-top: 0;
	padding-top: 0;
}

.matrix-detail h3 {
	font-size: 0.9rem;
	margin-bottom: 0.5rem;
}

.linklist {
	display: grid;
	gap: 0.3rem;
	margin: 0;
	padding: 0;
	list-style: none;
}

.linklist button {
	appearance: none;
	border: 0;
	background: none;
	padding: 0.1rem 0;
	color: var(--ink);
	font: inherit;
	font-size: 0.85rem;
	text-align: left;
	cursor: pointer;
	text-decoration: underline;
	text-decoration-color: var(--axis);
}

.linklist .n {
	color: var(--ink-muted);
	font-variant-numeric: tabular-nums;
}

.table-wrap {
	overflow-x: auto;
}

.table {
	width: 100%;
	min-width: 46rem;
	border-collapse: collapse;
	font-size: 0.84rem;
}

.table th,
.table td {
	padding: 0.5rem 0.6rem;
	border-bottom: 1px solid var(--hair);
	text-align: left;
	vertical-align: top;
}

.table thead th {
	position: sticky;
	top: 0;
	background: var(--surface);
	border-bottom: 1px solid var(--axis);
	white-space: nowrap;
	font-size: 0.76rem;
	color: var(--ink-2);
}

.table thead button {
	appearance: none;
	border: 0;
	background: none;
	padding: 0;
	font: inherit;
	color: inherit;
	cursor: pointer;
}

.table .num {
	text-align: right;
	font-variant-numeric: tabular-nums;
}

.table tbody tr:hover {
	background: var(--wash);
}

.table__title {
	appearance: none;
	border: 0;
	background: none;
	padding: 0;
	font: inherit;
	color: inherit;
	text-align: left;
	cursor: pointer;
}

.table__title:hover {
	text-decoration: underline;
}

.empty {
	padding: 3rem 1rem;
	text-align: center;
	color: var(--ink-2);
}

/* --- tooltip ------------------------------------------------------------ */

.tip {
	position: fixed;
	z-index: 20;
	max-width: 22rem;
	padding: 0.5rem 0.7rem;
	background: var(--surface);
	border: 1px solid var(--axis);
	border-radius: 8px;
	box-shadow: 0 6px 20px rgba(0, 0, 0, 0.14);
	color: var(--ink);
	font-size: 0.78rem;
	pointer-events: none;
}

.tip[hidden] {
	display: none;
}

.tip ul {
	margin: 0.3rem 0 0;
	padding-left: 1.1rem;
	color: var(--ink-2);
}

/* --- detail dialog ------------------------------------------------------ */

.detail {
	width: min(46rem, calc(100vw - 2rem));
	padding: 1.4rem 1.5rem 1.6rem;
	background: var(--surface);
	color: var(--ink);
	border: 1px solid var(--hair);
	border-radius: 14px;
}

.detail::backdrop {
	background: rgba(0, 0, 0, 0.45);
}

.detail__close {
	float: right;
	margin: -0.4rem -0.5rem 0 0;
}

.detail__cat {
	color: var(--ink-muted);
	font-size: 0.74rem;
	font-weight: 600;
	letter-spacing: 0.03em;
	text-transform: uppercase;
}

.detail__title {
	font-size: 1.2rem;
	margin: 0.15rem 0 0.2rem;
	letter-spacing: -0.01em;
}

.detail .detail__en {
	color: var(--ink-muted);
	font-size: 0.78rem;
	margin: 0 0 0.9rem;
}

/* The W3C document is written in English; keep the source wording one click
   away from the translation. */
.orig {
	margin-top: 1rem;
	border-top: 1px solid var(--hair);
	padding-top: 0.6rem;
}

.orig > summary {
	cursor: pointer;
	color: var(--ink-2);
	font-size: 0.78rem;
}

.orig > div {
	display: grid;
	gap: 0.5rem;
	margin-top: 0.5rem;
	color: var(--ink-2);
	font-size: 0.82rem;
}

.detail .orig p {
	margin: 0;
	font-size: 0.82rem;
}

.detail__grid {
	display: grid;
	grid-template-columns: minmax(0, 15rem) minmax(0, 1fr);
	gap: 1.4rem;
	align-items: start;
}

@media (max-width: 640px) {
	.detail__grid {
		grid-template-columns: 1fr;
	}
}

.detail h3 {
	font-size: 0.8rem;
	color: var(--ink-2);
	margin: 1rem 0 0.35rem;
}

.detail h3:first-child {
	margin-top: 0;
}

.detail p {
	margin: 0;
	font-size: 0.88rem;
}

.detail__score {
	display: flex;
	align-items: baseline;
	gap: 0.4rem;
	margin-bottom: 0.6rem;
}

.detail__score b {
	font-size: 2.6rem;
	font-weight: 600;
	line-height: 1;
	letter-spacing: -0.03em;
}

.detail__score span {
	color: var(--ink-2);
	font-size: 0.8rem;
}

.radar {
	display: block;
	width: 100%;
	height: auto;
	overflow: visible;
}

.radar__ring {
	fill: none;
	stroke: var(--grid);
	stroke-width: 1;
}

.radar__spoke {
	stroke: var(--grid);
	stroke-width: 1;
}

.radar__shape {
	fill: var(--ink-2);
	fill-opacity: 0.08;
	stroke: var(--ink-2);
	stroke-width: 2;
	stroke-linejoin: round;
}

.radar__dot {
	stroke: var(--surface);
	stroke-width: 2;
}

.radar__label {
	fill: var(--ink-muted);
	font-size: 10px;
	font-family: var(--sans);
}

.radar__value {
	fill: var(--ink);
	font-size: 11px;
	font-weight: 600;
	font-family: var(--sans);
}

.footer {
	margin-top: 3rem;
	padding-top: 1.25rem;
	border-top: 1px solid var(--hair);
	color: var(--ink-2);
	font-size: 0.8rem;
}

.footer__note {
	color: var(--ink-muted);
	max-width: 78ch;
}

@media (prefers-reduced-motion: no-preference) {
	.card,
	.cell,
	.btn,
	.chip {
		transition: background-color 0.12s ease, border-color 0.12s ease, color 0.12s ease;
	}
}

@media print {
	.filters,
	.viewbar,
	.masthead__actions,
	.matrix-detail {
		display: none;
	}

	body {
		max-width: none;
	}
}