/* Prime Ledger explorer.
 *
 * Light palette on :root, dark swapped under prefers-color-scheme, so the page follows
 * the reader rather than insisting on one look. */

:root {
	--bg: #f7f7f9;
	--panel: #ffffff;
	--panel-2: #f2f2f5;
	--ink: #16161a;
	--ink-2: #5c5c68;
	--ink-3: #8a8a97;
	--line: #e2e2e8;
	--line-2: #cfcfd8;
	--accent: #5b4bd6;
	--accent-soft: #ece9fc;
	--ok: #0f7b52;
	--ok-soft: #e2f4ec;
	--warn: #a35a00;
	--warn-soft: #fbeeda;
	--bad: #b4231f;
	--bad-soft: #fbe6e5;
	--mono: ui-monospace, "SF Mono", "JetBrains Mono", "Menlo", monospace;
}

@media (prefers-color-scheme: dark) {
	:root {
		--bg: #101014;
		--panel: #17171d;
		--panel-2: #1e1e26;
		--ink: #ececf1;
		--ink-2: #a2a2b0;
		--ink-3: #71717f;
		--line: #26262f;
		--line-2: #33333f;
		--accent: #a396ff;
		--accent-soft: #211d3d;
		--ok: #4ed19a;
		--ok-soft: #12281f;
		--warn: #e0a458;
		--warn-soft: #2d2213;
		--bad: #ff7b73;
		--bad-soft: #2e1817;
	}
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	background: var(--bg);
	color: var(--ink);
	font: 15px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif;
	-webkit-font-smoothing: antialiased;
}

.wrap {
	max-width: 1080px;
	margin: 0 auto;
	padding: 0 20px;
}

/* --- top bar ------------------------------------------------------------------------- */

.topbar {
	position: sticky;
	top: 0;
	z-index: 10;
	background: color-mix(in srgb, var(--panel) 88%, transparent);
	backdrop-filter: blur(12px);
	border-bottom: 1px solid var(--line);
}

.topbar-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding-block: 12px;
}

.brand {
	display: flex;
	align-items: center;
	gap: 11px;
	min-width: 0;
}

.brand .mark {
	font-size: 22px;
	color: var(--accent);
	line-height: 1;
}

.brand div {
	display: flex;
	flex-direction: column;
	line-height: 1.25;
	min-width: 0;
}

.brand strong {
	font-size: 15px;
	letter-spacing: -0.01em;
}

.brand .muted {
	font-size: 12px;
}

.heights {
	display: flex;
	gap: 22px;
	flex-shrink: 0;
}

.height {
	display: flex;
	flex-direction: column;
	align-items: flex-end;
	line-height: 1.25;
}

.height .muted {
	font-size: 11px;
	text-transform: uppercase;
	letter-spacing: 0.06em;
}

.height b {
	font: 600 15px/1.2 var(--mono);
	font-variant-numeric: tabular-nums;
}

.progress {
	height: 2px;
	background: transparent;
}

.progress span {
	display: block;
	height: 100%;
	width: 0;
	background: var(--accent);
	transition: width 0.4s ease;
}

/* --- structure ----------------------------------------------------------------------- */

section {
	margin: 34px 0;
}

h2 {
	font-size: 13px;
	text-transform: uppercase;
	letter-spacing: 0.1em;
	color: var(--ink-3);
	margin: 0 0 12px;
	font-weight: 600;
}

h3 {
	font-size: 14px;
	margin: 0;
	font-weight: 600;
}

.lede {
	margin: 0 0 18px;
	max-width: 74ch;
	color: var(--ink-2);
	font-size: 14px;
}

.lede code {
	font: 13px var(--mono);
	background: var(--panel-2);
	padding: 1px 5px;
	border-radius: 4px;
}

.panel {
	background: var(--panel);
	border: 1px solid var(--line);
	border-radius: 10px;
	margin-bottom: 16px;
	overflow: hidden;
}

.panel-head {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 12px;
	padding: 13px 16px;
	border-bottom: 1px solid var(--line);
}

.panel-head .muted {
	font-size: 12px;
}

.cols {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
	align-items: start;
}

.cols .panel {
	margin: 0;
}

@media (max-width: 780px) {
	.cols {
		grid-template-columns: 1fr;
	}
}

footer {
	display: flex;
	justify-content: space-between;
	gap: 16px;
	flex-wrap: wrap;
	padding: 22px 0 40px;
	border-top: 1px solid var(--line);
	font-size: 12px;
	color: var(--ink-3);
}

/* --- tiles --------------------------------------------------------------------------- */

.tiles {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(158px, 1fr));
	gap: 10px;
	margin-bottom: 16px;
}

.tile {
	background: var(--panel);
	border: 1px solid var(--line);
	border-radius: 10px;
	padding: 13px 14px;
}

.tile .k {
	font-size: 11px;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--ink-3);
}

.tile .v {
	font: 600 21px/1.3 var(--mono);
	font-variant-numeric: tabular-nums;
	margin-top: 3px;
	letter-spacing: -0.02em;
}

.tile .s {
	font-size: 12px;
	color: var(--ink-2);
	margin-top: 1px;
}

.tile.hero {
	border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
	background: linear-gradient(180deg, var(--accent-soft), var(--panel) 70%);
}

.tile.hero .v {
	color: var(--accent);
}

/* --- tables -------------------------------------------------------------------------- */

table {
	width: 100%;
	border-collapse: collapse;
	font-size: 13.5px;
}

th {
	text-align: left;
	font: 600 11px/1 system-ui, sans-serif;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--ink-3);
	padding: 10px 16px;
	border-bottom: 1px solid var(--line);
	white-space: nowrap;
}

td {
	padding: 10px 16px;
	border-bottom: 1px solid var(--line);
	vertical-align: middle;
}

tr:last-child td {
	border-bottom: 0;
}

tbody tr:hover {
	background: var(--panel-2);
}

.num {
	font: 13px var(--mono);
	font-variant-numeric: tabular-nums;
	white-space: nowrap;
}

.right {
	text-align: right;
}

.empty {
	padding: 26px 16px;
	color: var(--ink-3);
	font-size: 13.5px;
	text-align: center;
}

/* --- bits ---------------------------------------------------------------------------- */

.muted {
	color: var(--ink-3);
}

.ok {
	color: var(--ok);
}

.bad {
	color: var(--bad);
}

.warn {
	color: var(--warn);
}

.addr {
	font: 12.5px var(--mono);
	color: var(--ink-2);
	cursor: pointer;
	border-bottom: 1px dotted var(--line-2);
}

.addr:hover {
	color: var(--accent);
	border-bottom-color: var(--accent);
}

.badge {
	display: inline-block;
	font: 600 11px/1.6 system-ui, sans-serif;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	padding: 1px 8px;
	border-radius: 999px;
	white-space: nowrap;
}

.badge.open,
.badge.funded,
.badge.released,
.badge.merchant {
	background: var(--ok-soft);
	color: var(--ok);
}

.badge.disputed,
.badge.expired {
	background: var(--warn-soft);
	color: var(--warn);
}

.badge.refunded,
.badge.buyer,
.badge.refused {
	background: var(--bad-soft);
	color: var(--bad);
}

.badge.resolved,
.badge.created {
	background: var(--accent-soft);
	color: var(--accent);
}

.badge.unknown,
.badge.settled {
	background: var(--panel-2);
	color: var(--ink-3);
}

/* Recovered from a block body — a call, not a confirmed outcome. Deliberately the dullest
 * badge on the page, because it carries the least information. */
.badge.call {
	background: var(--panel-2);
	color: var(--ink-3);
	border: 1px dashed var(--line-2);
	cursor: help;
}

.idlink {
	font: 600 13px var(--mono);
	color: var(--accent);
	cursor: pointer;
}

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

/* --- state machine ------------------------------------------------------------------- */

.machine {
	padding: 18px 16px 6px;
	overflow-x: auto;
}

.machine svg {
	display: block;
	width: 100%;
	min-width: 660px;
	height: auto;
}

.node rect {
	fill: var(--panel-2);
	stroke: var(--line-2);
	stroke-width: 1.5;
}

.node .label {
	fill: var(--ink);
	font: 600 13px system-ui, sans-serif;
}

.node .sub {
	fill: var(--ink-3);
	font: 10.5px system-ui, sans-serif;
}

.edge path {
	fill: none;
	stroke: var(--line-2);
	stroke-width: 1.5;
}

.edge .elabel {
	fill: var(--ink-3);
	font: 11px var(--mono);
}

.edge marker path {
	fill: var(--line-2);
	stroke: none;
}

/* A path an escrow actually took. */
.node.lit rect {
	fill: var(--accent-soft);
	stroke: var(--accent);
	stroke-width: 2;
}

.node.lit .label {
	fill: var(--accent);
}

.edge.lit path {
	stroke: var(--accent);
	stroke-width: 2.5;
}

.edge.lit .elabel {
	fill: var(--accent);
	font-weight: 600;
}

.machine.dim .edge:not(.lit) path {
	stroke: color-mix(in srgb, var(--line-2) 45%, transparent);
}

.machine.dim .edge:not(.lit) .elabel,
.machine.dim .node:not(.lit) .label,
.machine.dim .node:not(.lit) .sub {
	opacity: 0.35;
}

.machine.dim .node:not(.lit) rect {
	opacity: 0.45;
}

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

.rules {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
	gap: 1px;
	background: var(--line);
	border-top: 1px solid var(--line);
}

.rule {
	background: var(--panel);
	padding: 14px 16px;
}

.rule .t {
	font-weight: 600;
	font-size: 13.5px;
	margin-bottom: 3px;
}

.rule .d {
	font-size: 12.5px;
	color: var(--ink-2);
}

.rule .e {
	margin-top: 8px;
	font: 12px var(--mono);
	padding-top: 8px;
	border-top: 1px dashed var(--line);
	color: var(--ink-3);
}

.rule .e b {
	color: var(--ink);
}

/* --- activity feed ------------------------------------------------------------------- */

.feed-row {
	display: grid;
	grid-template-columns: 84px 108px 1fr auto;
	gap: 12px;
	align-items: center;
	padding: 9px 16px;
	border-bottom: 1px solid var(--line);
	font-size: 13.5px;
}

.feed-row:last-child {
	border-bottom: 0;
}

.feed-row:hover {
	background: var(--panel-2);
}

.feed-row .what {
	color: var(--ink-2);
	min-width: 0;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

@media (max-width: 700px) {
	.feed-row {
		grid-template-columns: 70px 1fr;
		row-gap: 4px;
	}
	.feed-row .what,
	.feed-row .when {
		grid-column: 2;
	}
}

/* --- detail panels ------------------------------------------------------------------- */

.lookup {
	display: flex;
	gap: 8px;
	padding: 14px 16px;
	border-bottom: 1px solid var(--line);
}

.lookup input {
	flex: 1;
	min-width: 0;
	font: 13px var(--mono);
	padding: 8px 11px;
	color: var(--ink);
	background: var(--bg);
	border: 1px solid var(--line-2);
	border-radius: 7px;
}

.lookup input:focus {
	outline: 2px solid var(--accent);
	outline-offset: -1px;
	border-color: transparent;
}

.lookup button {
	font: 600 13px system-ui, sans-serif;
	padding: 8px 15px;
	color: #fff;
	background: var(--accent);
	border: 0;
	border-radius: 7px;
	cursor: pointer;
}

.lookup button:hover {
	filter: brightness(1.08);
}

.detail:empty {
	display: none;
}

.kv {
	display: grid;
	grid-template-columns: minmax(110px, auto) 1fr;
	gap: 5px 14px;
	padding: 14px 16px;
	font-size: 13.5px;
	align-items: baseline;
}

.kv dt {
	color: var(--ink-3);
	font-size: 12px;
}

.kv dd {
	margin: 0;
	font: 13px var(--mono);
	overflow-wrap: anywhere;
}

/* --- escrow timeline ----------------------------------------------------------------- */

.timeline {
	padding: 6px 16px 16px;
}

.tl {
	position: relative;
	padding: 0 0 0 22px;
	margin: 0;
	list-style: none;
}

.tl::before {
	content: "";
	position: absolute;
	left: 5px;
	top: 8px;
	bottom: 8px;
	width: 1.5px;
	background: var(--line);
}

.tl li {
	position: relative;
	padding: 7px 0;
	font-size: 13.5px;
}

.tl li::before {
	content: "";
	position: absolute;
	left: -21px;
	top: 14px;
	width: 9px;
	height: 9px;
	border-radius: 50%;
	background: var(--panel);
	border: 2px solid var(--line-2);
}

.tl li.hit::before {
	background: var(--accent);
	border-color: var(--accent);
}

.tl li.miss::before {
	background: var(--bad);
	border-color: var(--bad);
}

.tl .meta {
	font: 11.5px var(--mono);
	color: var(--ink-3);
	margin-top: 1px;
}

.note {
	margin: 0;
	padding: 12px 16px;
	background: var(--bad-soft);
	color: var(--bad);
	font-size: 13px;
	border-top: 1px solid var(--line);
}