/* Thames Water fault tracker — light/dark, no framework. */

:root {
  color-scheme: light dark;

  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --border: #dfe3e8;
  --text: #16202b;
  --text-dim: #5c6b7a;
  --accent: #0a6ebd;
  --accent-soft: #e5f0f9;

  --c-clean: #2f8fd8;
  --c-waste: #7a5cc4;
  --c-raised: #d1495b;
  --c-resolved: #2e9e6b;
  --c-report: #6b7c8d;

  --age-0: #2e9e6b;
  --age-1: #7cb342;
  --age-2: #e8a33d;
  --age-3: #e2703a;
  --age-4: #c0392b;

  --radius: 10px;
  --shadow: 0 1px 2px rgb(16 24 40 / 6%), 0 4px 12px rgb(16 24 40 / 4%);
  --mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #10151b;
    --surface: #161d26;
    --surface-2: #1d2732;
    --border: #29343f;
    --text: #e6edf3;
    --text-dim: #93a3b3;
    --accent: #5aabe8;
    --accent-soft: #16283a;
    --shadow: 0 1px 2px rgb(0 0 0 / 30%), 0 4px 14px rgb(0 0 0 / 25%);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }

/* ── Chrome ──────────────────────────────────────────────────── */

.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 18px clamp(16px, 4vw, 36px) 14px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { font-size: 30px; line-height: 1; }
.topbar h1 { margin: 0; font-size: 19px; letter-spacing: -0.2px; }
.tagline { margin: 1px 0 0; color: var(--text-dim); font-size: 13px; }

.freshness { text-align: right; font-variant-numeric: tabular-nums; }
#freshness-value { display: block; font-weight: 600; font-size: 14px; }
.freshness-label { color: var(--text-dim); font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; }

.tabs {
  display: flex; gap: 2px; overflow-x: auto;
  padding: 0 clamp(16px, 4vw, 36px);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 500;
}
.tabs button {
  appearance: none; border: 0; background: none; cursor: pointer;
  padding: 11px 14px; font: inherit; font-size: 14px; color: var(--text-dim);
  border-bottom: 2px solid transparent; white-space: nowrap;
}
.tabs button:hover { color: var(--text); }
.tabs button.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }

main { padding: clamp(16px, 3vw, 28px) clamp(16px, 4vw, 36px) 64px; max-width: 1360px; margin-inline: auto; }

.loading, .error { padding: 48px 0; text-align: center; color: var(--text-dim); }
.error { color: #c0392b; }

.view { display: flex; flex-direction: column; gap: 20px; }
.view[hidden] { display: none; }

/* ── Cards ───────────────────────────────────────────────────── */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px 20px;
}
.card > header { margin-bottom: 14px; }
.card h2 { margin: 0; font-size: 15px; letter-spacing: -0.1px; }
/* No typographic measure here on purpose. A fixed max-width left subtitles
   occupying a fraction of a wide card, so the wrap read as an inserted line
   break; raising it only moved where the break landed. `main` already caps the
   page at 1360px, which is what bounds the line. `balance` evens out a wrap
   when one is genuinely needed. */
.card header p {
  margin: 4px 0 0; color: var(--text-dim); font-size: 13px;
  text-wrap: balance;
}

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: 20px; }

/* ── KPIs ────────────────────────────────────────────────────── */

.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; }
.kpi {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; box-shadow: var(--shadow);
}
.kpi-label { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.06em; }
.kpi-value { font-size: 30px; font-weight: 650; letter-spacing: -1px; font-variant-numeric: tabular-nums; margin-top: 2px; }
.kpi-note { font-size: 12.5px; color: var(--text-dim); margin-top: 2px; }
.kpi-value.bad { color: #c0392b; }
.kpi-value.good { color: #2e9e6b; }
@media (prefers-color-scheme: dark) {
  .kpi-value.bad { color: #ef7a6d; }
  .kpi-value.good { color: #58c894; }
}

/* ── Charts ──────────────────────────────────────────────────── */

.chart-host { width: 100%; overflow-x: auto; }
.chart { width: 100%; height: auto; display: block; }
.chart .grid { stroke: var(--border); stroke-width: 1; }
.chart .axis { fill: var(--text-dim); font-size: 11px; font-family: inherit; }
.chart-empty {
  padding: 20px 12px; text-align: center; color: var(--text-dim); font-size: 13.5px;
  background: var(--surface-2); border-radius: 8px;
}

.legend { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-top: 10px; font-size: 12.5px; color: var(--text-dim); }
.swatch { display: inline-block; width: 11px; height: 11px; border-radius: 3px; vertical-align: -1px; margin-right: 4px; }

.bars { display: flex; }
.bars-v { align-items: flex-end; gap: 8px; height: 210px; }
.bars-v .bar-row { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; height: 100%; gap: 5px; }
.bars-v .bar-track { width: 100%; flex: 1; display: flex; align-items: flex-end; }
.bars-v .bar-fill { width: 100%; background: var(--accent); border-radius: 4px 4px 0 0; min-height: 2px; }
.bars-v .bar-label { font-size: 11.5px; color: var(--text-dim); order: 3; white-space: nowrap; }
.bars-v .bar-value { font-size: 12.5px; font-weight: 600; font-variant-numeric: tabular-nums; order: 2; }

.bars-h { flex-direction: column; gap: 7px; }
.bars-h .bar-row { display: grid; grid-template-columns: minmax(96px, 32%) 1fr auto; align-items: center; gap: 10px; }
.bars-h .bar-label { font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bars-h .bar-track { background: var(--surface-2); border-radius: 4px; height: 16px; overflow: hidden; }
.bars-h .bar-fill { display: block; height: 100%; background: var(--accent); border-radius: 4px; }
.bars-h .bar-value { font-size: 12.5px; font-variant-numeric: tabular-nums; color: var(--text-dim); min-width: 46px; text-align: right; }

/* ── Tables ──────────────────────────────────────────────────── */

.table-wrap { overflow-x: auto; border-radius: 8px; }
table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--text-dim); font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; position: sticky; top: 0; background: var(--surface); }
th[data-sort] { cursor: pointer; user-select: none; }
th[data-sort]:hover { color: var(--text); }
th .arrow { opacity: 0.55; font-size: 10px; }
tbody tr { cursor: pointer; }
tbody tr:hover { background: var(--accent-soft); }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
td.wrap { white-space: normal; min-width: 220px; }
.mono { font-family: var(--mono); font-size: 12.5px; }

.pill { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 11.5px; font-weight: 600; background: var(--surface-2); color: var(--text-dim); }
.pill.clean { background: color-mix(in srgb, var(--c-clean) 18%, transparent); color: var(--c-clean); }
.pill.waste { background: color-mix(in srgb, var(--c-waste) 18%, transparent); color: var(--c-waste); }
.age { font-weight: 600; font-variant-numeric: tabular-nums; }
.age-0 { color: var(--age-0); } .age-1 { color: var(--age-1); } .age-2 { color: var(--age-2); }
.age-3 { color: var(--age-3); } .age-4 { color: var(--age-4); }

/* ── Filters / pager ─────────────────────────────────────────── */

.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.filters input, .filters select, .filters button {
  font: inherit; font-size: 13.5px; padding: 7px 10px;
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border); border-radius: 7px;
}
.filters input[type=search] { flex: 1 1 260px; min-width: 200px; }
.filters button { cursor: pointer; }
.filters button:hover { border-color: var(--accent); color: var(--accent); }
.result-count { color: var(--text-dim); font-size: 13px; margin-left: auto; font-variant-numeric: tabular-nums; }

.pager { display: flex; gap: 8px; align-items: center; justify-content: center; color: var(--text-dim); font-size: 13px; }
.pager button {
  font: inherit; padding: 6px 12px; cursor: pointer; border-radius: 7px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
}
.pager button:disabled { opacity: 0.4; cursor: default; }

/* ── Map ─────────────────────────────────────────────────────── */

#map { height: min(74vh, 780px); border-radius: var(--radius); border: 1px solid var(--border); z-index: 1; }
.map-legend { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; font-size: 12.5px; color: var(--text-dim); }
.map-legend i { display: inline-block; width: 11px; height: 11px; border-radius: 50%; margin-right: 4px; vertical-align: -1px; }
.map-legend i.hollow { background: none; border: 1.5px solid var(--c-report); }
.map-note { margin-left: auto; }
.leaflet-popup-content { font: inherit; font-size: 13px; }
.leaflet-container { background: var(--surface-2); }

/* ── Detail dialog ───────────────────────────────────────────── */

dialog {
  border: 1px solid var(--border); border-radius: var(--radius); padding: 0;
  background: var(--surface); color: var(--text);
  max-width: min(620px, 94vw); width: 100%; box-shadow: 0 20px 60px rgb(0 0 0 / 25%);
}
dialog::backdrop { background: rgb(10 15 20 / 55%); }
#detail-body { padding: 22px 24px 24px; }
.dialog-close {
  position: absolute; top: 8px; right: 10px; border: 0; background: none; cursor: pointer;
  font-size: 26px; line-height: 1; color: var(--text-dim); padding: 4px 8px;
}
.dialog-close:hover { color: var(--text); }
#detail h3 { margin: 0 0 2px; font-size: 17px; }
#detail .sub { color: var(--text-dim); font-size: 13px; margin: 0 0 16px; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 5px 16px; font-size: 13.5px; margin-bottom: 18px; }
.kv dt { color: var(--text-dim); }
.kv dd { margin: 0; }

.timeline { list-style: none; margin: 0; padding: 0 0 0 20px; border-left: 2px solid var(--border); }
.timeline li { position: relative; padding: 0 0 14px 14px; font-size: 13.5px; }
.timeline li::before {
  content: ""; position: absolute; left: -21px; top: 5px; width: 9px; height: 9px;
  border-radius: 50%; background: var(--accent); border: 2px solid var(--surface);
}
.timeline .when { color: var(--text-dim); font-size: 12.5px; }
.timeline .pending::before { background: var(--border); }

.prose { text-wrap: pretty; }
.prose h2 { margin: 22px 0 6px; font-size: 15px; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { font-size: 14px; color: var(--text); }
.prose ul { padding-left: 20px; }
.prose li { margin-bottom: 6px; }
.prose code { font-family: var(--mono); font-size: 12.5px; background: var(--surface-2); padding: 1px 5px; border-radius: 4px; }
.about-links { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 18px; }
.disclaimer { color: var(--text-dim); font-size: 12.5px; margin-top: 22px; }

/* ── Analysis panels ─────────────────────────────────────────── */

.stat-row { display: flex; flex-wrap: wrap; gap: 26px; margin-bottom: 16px; }
.stat-row > div { display: flex; flex-direction: column; }
.stat-value { font-size: 26px; font-weight: 650; letter-spacing: -0.6px; font-variant-numeric: tabular-nums; }
.stat-label { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.05em; }

.inline-list { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0 0 18px; }
.inline-list li {
  font-size: 12.5px; color: var(--text-dim); background: var(--surface-2);
  padding: 3px 10px; border-radius: 999px;
}
.inline-list strong { color: var(--text); font-variant-numeric: tabular-nums; }

blockquote {
  margin: 0 0 16px; padding: 12px 0 12px 16px;
  border-left: 3px solid var(--accent); background: var(--surface-2);
  border-radius: 0 6px 6px 0; padding-right: 16px;
}
blockquote p { margin: 0 0 8px; font-size: 14px; }
blockquote cite { font-size: 12.5px; color: var(--text-dim); font-style: normal; }

/* `pretty` rather than `balance`: these run to several lines, where balancing
   is capped and pretty's job — no orphaned last word — is the one that matters. */
.footnote {
  font-size: 12.5px; color: var(--text-dim); margin: 12px 0 0;
  text-wrap: pretty;
}
.footnote code { font-family: var(--mono); font-size: 12px; background: var(--surface-2); padding: 1px 5px; border-radius: 4px; }

/* Rate cell with an inline bar, so the spread reads without a chart. */
td.rate { position: relative; min-width: 130px; }
.rate-bar {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  height: 14px; background: color-mix(in srgb, var(--accent) 22%, transparent);
  border-radius: 3px; max-width: calc(100% - 60px);
}
.rate-value { position: relative; font-variant-numeric: tabular-nums; font-weight: 600; }

/* Records Thames Water published with no address at all. */
.pinned { color: var(--text-dim); font-style: italic; }