:root {
  color-scheme: light;
  --surface-0: #f4f3ef;
  --surface-1: #fcfcfb;
  --surface-2: #ebeae5;
  --border: #dedcd5;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #8a8984;
  --accent: #00786a;
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --series-3: #1baf7a;
  --series-4: #eda100;
  --series-5: #e87ba4;
  --status-good: #0ca30c;
  --status-warning: #fab219;
  --status-serious: #ec835a;
  --status-critical: #d03b3b;
  --status-unknown: #8a8984;
  --grid: #e6e5df;
  --radius: 10px;
  --font: 'Geist', 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --surface-0: #111110;
    --surface-1: #1a1a19;
    --surface-2: #232322;
    --border: #2e2e2c;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted: #8a8984;
    --accent: #00c5a9;
    --series-1: #3987e5;
    --series-2: #d95926;
    --series-3: #199e70;
    --series-4: #c98500;
    --series-5: #d55181;
    --grid: #2a2a28;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --surface-0: #111110;
  --surface-1: #1a1a19;
  --surface-2: #232322;
  --border: #2e2e2c;
  --text-primary: #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted: #8a8984;
  --accent: #00c5a9;
  --series-1: #3987e5;
  --series-2: #d95926;
  --series-3: #199e70;
  --series-4: #c98500;
  --series-5: #d55181;
  --grid: #2a2a28;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--surface-0);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.45;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
code { font-family: var(--mono); font-size: 0.92em; background: var(--surface-2); padding: 0 4px; border-radius: 4px; }
.muted { color: var(--text-muted); }
.num { text-align: right; font-variant-numeric: tabular-nums; }

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 10px 16px;
  background: color-mix(in srgb, var(--surface-1) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: baseline; gap: 10px; }
.brand h1 { font-size: 17px; margin: 0; font-weight: 650; letter-spacing: -0.01em; }
.brand .sub { color: var(--text-muted); font-size: 12px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--status-unknown); align-self: center; }
.dot.live { background: var(--status-good); }
.dot.busy { background: var(--status-warning); animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1 } 50% { opacity: .35 } }
.controls { display: flex; align-items: center; gap: 8px; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: var(--surface-1); }
.seg button { background: transparent; border: 0; color: var(--text-secondary); padding: 6px 10px; cursor: pointer; font: inherit; }
.seg button.active { background: var(--surface-2); color: var(--text-primary); font-weight: 600; }
.btn { background: var(--surface-1); border: 1px solid var(--border); color: var(--text-primary); border-radius: 8px; padding: 6px 12px; cursor: pointer; font: inherit; }
.btn:hover { border-color: var(--accent); }
.btn:disabled { opacity: .5; cursor: default; }
.btn.icon { padding: 6px 9px; }
:root:not([data-theme="dark"]) .icon-moon { display: none; }
:root[data-theme="dark"] .icon-sun { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) .icon-sun { display: none; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .icon-moon { display: inline; }
}

main { flex: 1; width: 100%; max-width: 1280px; margin: 0 auto; padding: 16px; }
.intro { color: var(--text-secondary); max-width: 900px; margin-bottom: 16px; }
.intro p { margin: 0; }

/* Hero tiles */
.hero { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px; margin-bottom: 18px; }
.tile { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; }
.tile .lbl { color: var(--text-secondary); font-size: 12px; display: flex; align-items: center; gap: 6px; }
.tile .val { font-size: 26px; font-weight: 650; letter-spacing: -0.02em; margin-top: 2px; font-variant-numeric: tabular-nums; }
.tile .val small { font-size: 13px; color: var(--text-muted); font-weight: 500; margin-left: 4px; }
.tile .note { color: var(--text-muted); font-size: 12px; margin-top: 2px; }
.badge { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 600; padding: 1px 7px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text-primary); }
.badge::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--status-unknown); }
.badge.good::before { background: var(--status-good); }
.badge.warning::before { background: var(--status-warning); }
.badge.serious::before { background: var(--status-serious); }
.badge.critical::before { background: var(--status-critical); }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 14px; }
.tab { background: none; border: 0; border-bottom: 2px solid transparent; padding: 8px 12px; color: var(--text-secondary); cursor: pointer; font: inherit; font-weight: 500; }
.tab.active { color: var(--text-primary); border-bottom-color: var(--accent); }
.tabpanel { display: none; }
.tabpanel.active { display: block; }

/* Model cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; }
.card { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; position: relative; border-top: 3px solid var(--card-color, var(--border)); }
.card.testing { box-shadow: 0 0 0 2px color-mix(in srgb, var(--status-warning) 50%, transparent); }
.card .head { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; margin-bottom: 8px; }
.card .name { font-weight: 650; font-size: 15px; }
.card .id { font-family: var(--mono); font-size: 11px; color: var(--text-muted); word-break: break-all; }
.card .rates { font-size: 12px; color: var(--text-secondary); margin: 4px 0 10px; }
.kv { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px; }
.kv div { display: flex; flex-direction: column; }
.kv .k { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .04em; }
.kv .v { font-size: 15px; font-weight: 600; font-variant-numeric: tabular-nums; }
.kv .v small { font-size: 11px; color: var(--text-muted); font-weight: 500; }
.card .ledger-line { margin-top: 10px; padding-top: 8px; border-top: 1px dashed var(--border); font-size: 12px; color: var(--text-secondary); display: flex; flex-wrap: wrap; gap: 6px 12px; }
.card .ledger-line b { color: var(--text-primary); font-weight: 600; }
.card .last-err { margin-top: 8px; font-size: 12px; color: var(--status-critical); word-break: break-word; }
.spark { display: flex; gap: 2px; margin-top: 10px; height: 10px; align-items: flex-end; }
.spark i { flex: 1; min-width: 3px; height: 100%; border-radius: 2px; background: var(--status-unknown); opacity: .9; }
.spark i.ok { background: var(--status-good); }
.spark i.refused, .spark i.timeout { background: var(--status-warning); }
.spark i.truncated { background: var(--status-serious); }
.spark i.error { background: var(--status-critical); }

/* Charts */
.chart-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); gap: 12px; }
@media (max-width: 480px) { .chart-grid { grid-template-columns: 1fr; } }
.chart { margin: 0; background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 12px 6px; }
.chart figcaption { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; margin-bottom: 6px; }
.chart .ttl { font-weight: 600; }
.chart .unit { font-size: 12px; color: var(--text-muted); }
.canvas-wrap { position: relative; height: 240px; }
.legend { display: flex; flex-wrap: wrap; gap: 8px 16px; margin: 12px 4px; font-size: 12px; color: var(--text-secondary); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 14px; height: 3px; border-radius: 2px; display: inline-block; }

/* Ledger */
.ledger-head { display: flex; align-items: center; gap: 14px; margin-bottom: 8px; }
.ledger-head select { font: inherit; background: var(--surface-1); color: var(--text-primary); border: 1px solid var(--border); border-radius: 6px; padding: 4px 6px; margin-left: 6px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface-1); }
table { border-collapse: collapse; width: 100%; font-size: 12px; white-space: nowrap; }
th, td { padding: 6px 10px; border-bottom: 1px solid var(--border); text-align: left; }
th { position: sticky; top: 0; background: var(--surface-2); color: var(--text-secondary); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: .04em; }
td.mono { font-family: var(--mono); font-size: 11px; }
tr.outcome-ok td.outcome { color: var(--status-good); }
tr.outcome-refused td.outcome, tr.outcome-timeout td.outcome { color: var(--status-warning); }
tr.outcome-truncated td.outcome { color: var(--status-serious); }
tr.outcome-error td.outcome { color: var(--status-critical); }
td.outcome { font-weight: 600; }
td.bad { color: var(--status-critical); font-weight: 600; }
td.warn { color: var(--status-serious); font-weight: 600; }
td.good { color: var(--status-good); }
.tile .val.bad { color: var(--status-critical); }
.price-row { display: flex; justify-content: space-between; gap: 8px; font-size: 12px; color: var(--text-secondary); }
.price-row b { color: var(--text-primary); font-weight: 600; }

.glossary { margin-top: 24px; color: var(--text-secondary); }
.glossary summary { cursor: pointer; font-weight: 600; color: var(--text-primary); }
.glossary dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 14px; margin: 10px 0 0; }
.glossary dt { font-weight: 600; color: var(--text-primary); }
.glossary dd { margin: 0; }
@media (max-width: 600px) { .glossary dl { grid-template-columns: 1fr; } }

.foot { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 10px 16px; border-top: 1px solid var(--border); color: var(--text-secondary); font-size: 12px; background: var(--surface-1); }

/* Claims page */
a.btn { text-decoration: none; display: inline-flex; align-items: center; }
.claims { display: grid; grid-template-columns: 1fr; gap: 14px; }
.claim { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; }
.claim-head { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 12px; }
.claim-n { flex: none; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; font-size: 14px; }
.claim-titles { flex: 1; min-width: 0; }
.claim-q { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .04em; }
.claim-h { font-size: 20px; margin: 2px 0 0; font-weight: 650; letter-spacing: -0.01em; }
.claim-body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; align-items: start; }
@media (max-width: 760px) { .claim-body { grid-template-columns: 1fr; } }
.claim-metric .val { font-size: 40px; font-weight: 650; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; line-height: 1.1; }
.claim-metric .val small { font-size: 14px; color: var(--text-muted); font-weight: 500; margin-left: 6px; }
.claim-metric .lbl { color: var(--text-secondary); font-size: 13px; margin-top: 2px; }
.claim-metric .note { color: var(--text-muted); font-size: 12px; margin-top: 6px; }
.claim-metric .promise { margin: 10px 0 0; font-size: 13px; color: var(--text-secondary); border-left: 3px solid var(--accent); padding-left: 10px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.chip { font-size: 11px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text-secondary); }
.chip b { color: var(--text-primary); font-weight: 600; }
.chip.warn { border-color: var(--status-serious); color: var(--status-serious); }
.receipt { margin: 0; font-family: var(--mono); font-size: 12px; line-height: 1.55; background: var(--surface-0); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; overflow-x: auto; white-space: pre; }
.receipt .k { color: var(--text-muted); }
.receipt .hot { color: var(--accent); font-weight: 600; }
.receipt .hot .k { color: var(--accent); }
.claim-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 12px; padding-top: 10px; border-top: 1px dashed var(--border); font-size: 12px; }
.claim-foot a { color: var(--accent); text-decoration: none; }
.claim-foot .snippet { font-size: 11px; color: var(--text-muted); background: var(--surface-2); padding: 2px 8px; border-radius: 6px; overflow-x: auto; max-width: 100%; white-space: nowrap; }
table.mini { width: 100%; margin-top: 10px; font-size: 12px; white-space: nowrap; border: 1px solid var(--border); border-radius: 8px; }
table.mini th, table.mini td { padding: 4px 8px; }
table.mini td.good { color: var(--status-good); }
table.mini td.bad { color: var(--status-critical); font-weight: 600; }
table.mini a { color: inherit; }

/* ---------- two-gateway comparison ---------- */
.claim > .lbl { font-size: 12px; color: var(--text-secondary); margin: 2px 0 0; }
.claim > .promise { margin: 6px 0 12px; }
.gw-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 14px; }
.gw-col { border: 1px solid var(--border); border-radius: calc(var(--radius) - 2px); padding: 12px 14px; background: var(--surface-0, transparent); min-width: 0; }
.gw-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 6px; }
.gw-name { font-weight: 600; font-size: 13px; letter-spacing: 0.01em; }
.gw-col .val { font-size: 30px; }
.gw-col .note { margin-top: 4px; }
.gw-col .receipt { margin-top: 10px; }
.badge.absent { background: color-mix(in srgb, var(--text-muted) 18%, transparent); color: var(--text-secondary); border-color: var(--border); }
.absent-val { color: var(--text-muted); font-weight: 400; }
.gw-col .val { font-weight: 650; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; line-height: 1.1; }
.gw-col .val small { font-size: 13px; color: var(--text-muted); font-weight: 500; margin-left: 6px; }
.gw-col .note { color: var(--text-muted); font-size: 12px; }
.claim > .promise { font-size: 13px; color: var(--text-secondary); border-left: 3px solid var(--accent); padding-left: 10px; }
.gw-col table.mini { margin-top: 10px; }

.table-scroll { overflow-x: auto; max-width: 100%; }

/* Price colouring follows what was charged against the vendor's own page. */
.price-below { color: var(--status-good); }
.price-above { color: var(--status-critical); }
table.mini td.paid-below { color: var(--status-good); }
table.mini td.paid-above { color: var(--status-critical); font-weight: 600; }
table.mini td.paid-at { color: var(--text-primary); }

.gw-col .val.good { color: var(--status-good); }
.gw-col .val.warn { color: var(--status-serious); }
.gw-col .val.bad { color: var(--status-critical); }
.gw-col .kv { display: flex; justify-content: space-between; gap: 8px; font-size: 12px; color: var(--text-muted); margin-top: 10px; }
.gw-col .kv b { color: var(--text-primary); font-weight: 600; text-align: right; }
.gw-col .note.good { color: var(--status-good); }

.sel { border: 1px solid var(--border); border-radius: 8px; background: var(--surface-1); color: var(--text-primary); padding: 6px 10px; font: inherit; max-width: 46vw; }

.gw-col .kv b.warn { color: var(--warn, #e0a030); }
.gw-col .kv b.good { color: var(--good, #3cb371); }

.gw-col .note.warn { color: var(--status-serious); }