:root {
  color-scheme: light;
  --bg: #f6f6f4;
  --surface: #fcfcfb;
  --surface-2: #efefec;
  --border: #dcdbd6;
  --text: #0b0b0b;
  --text-2: #52514e;
  --text-3: #7a7974;
  --accent: #2a78d6;
  --up: #2a78d6;
  --down: #e34948;
  --pd: #eda100;   /* validated all-pairs vs --up/--down in light mode (dataviz validator) */
  --neutral: #8a8985;
  --faint: #c9c8c2;
  --street: #b9b8b1;
  --ocr: #eda100;
  --sel: #0b0b0b;
  --shadow: 0 1px 2px rgba(0,0,0,.08), 0 6px 20px rgba(0,0,0,.08);
  --radius: 8px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #141413; --surface: #1a1a19; --surface-2: #232322; --border: #35352f;
    --text: #f0efec; --text-2: #c3c2b7; --text-3: #8f8e86;
    --accent: #3987e5; --up: #3987e5; --down: #e66767; --pd: #008300; --neutral: #8f8e86; --faint: #4a4a44; --street: #3d3d38; --ocr: #c98500; --sel: #f0efec;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 6px 20px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #141413; --surface: #1a1a19; --surface-2: #232322; --border: #35352f;
  --text: #f0efec; --text-2: #c3c2b7; --text-3: #8f8e86;
  --accent: #3987e5; --up: #3987e5; --down: #e66767; --pd: #008300; --neutral: #8f8e86; --faint: #4a4a44; --street: #3d3d38; --ocr: #c98500; --sel: #f0efec;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 6px 20px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 var(--font);
  display: flex; flex-direction: column; height: 100vh; overflow: hidden;
  padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px);
}
a { color: var(--accent); }
button, input, select { font: inherit; color: inherit; }
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.top { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: flex-end; justify-content: space-between; padding: 14px 16px 8px; }
.top h1 { margin: 0; font-size: 20px; font-weight: 650; letter-spacing: -.01em; }
.top .sub { margin: 2px 0 0; color: var(--text-2); font-size: 13px; }
.stats { display: flex; gap: 18px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; min-width: 64px; }
.stat b { font-size: 18px; font-weight: 650; font-variant-numeric: tabular-nums; line-height: 1.1; }
.stat span { font-size: 11px; color: var(--text-3); text-transform: uppercase; letter-spacing: .04em; }

.filters { padding: 6px 16px 8px; border-bottom: 1px solid var(--border); background: var(--surface); }
.filters .row { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: flex-end; }
.filters .row + .row { margin-top: 8px; align-items: center; }
.filters label { display: flex; flex-direction: column; gap: 3px; font-size: 11px; color: var(--text-3); text-transform: uppercase; letter-spacing: .04em; }
.filters label > input, .filters label > select, .filters .pair select {
  text-transform: none; letter-spacing: 0; font-size: 13px; color: var(--text);
  background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 6px 8px; min-height: 32px;
}
.filters .pair { display: flex; align-items: center; gap: 4px; color: var(--text-2); }
.filters .search { flex: 1 1 280px; }
.filters .search input { width: 100%; }
.filters input[list] { width: 88px; }
.filters .arrow { color: var(--text-3); padding-bottom: 8px; }
.chips-label { font-size: 11px; color: var(--text-3); text-transform: uppercase; letter-spacing: .04em; margin-right: 4px; }
.chip {
  border: 1px solid var(--border); background: var(--bg); border-radius: 999px; padding: 3px 10px 3px 8px; cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-2);
}
.chip .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--c); border: 1.5px solid var(--c); }
.chip .dot.hollow { background: transparent; }
.chip.on { background: var(--surface-2); color: var(--text); border-color: var(--text-3); }
.chip .n { color: var(--text-3); font-variant-numeric: tabular-nums; }

button.ghost {
  background: transparent; border: 1px solid var(--border); border-radius: 6px; padding: 6px 10px; cursor: pointer; color: var(--text-2); min-height: 32px;
}
button.ghost:hover { background: var(--surface-2); color: var(--text); }
button.ghost.small { padding: 3px 8px; font-size: 12px; min-height: 26px; }

.main { flex: 1; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(360px, 1fr); min-height: 0; position: relative; }
.map-wrap { position: relative; min-height: 420px; }
#map { position: absolute; inset: 0; background: var(--surface-2); }
.map-tools {
  position: absolute; top: 10px; right: 10px; z-index: 500; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 8px 10px; display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--text-2);
}
.map-tools label { display: flex; gap: 6px; align-items: center; }
.legend {
  position: absolute; bottom: 22px; left: 10px; z-index: 500; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 8px 10px; font-size: 12px; color: var(--text-2); display: grid; gap: 3px;
}
.legend .k { display: flex; gap: 7px; align-items: center; }
.legend .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--c); border: 1.5px solid var(--c); }
.legend .dot.hollow { background: transparent; }
.leaflet-container { font: inherit; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .basemap { filter: invert(1) hue-rotate(180deg) brightness(.85) contrast(.9) saturate(.6); } }
:root[data-theme="dark"] .basemap { filter: invert(1) hue-rotate(180deg) brightness(.85) contrast(.9) saturate(.6); }
.leaflet-control-attribution { font-size: 10px; background: color-mix(in srgb, var(--surface) 80%, transparent) !important; color: var(--text-3) !important; }
.leaflet-control-attribution a { color: var(--text-2) !important; }

.results { border-left: 1px solid var(--border); background: var(--surface); display: flex; flex-direction: column; min-height: 0; }
.results-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 8px 12px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.count { font-weight: 600; }
.count small { font-weight: 400; color: var(--text-3); }
.sort { display: flex; gap: 8px; align-items: center; font-size: 12px; color: var(--text-3); }
.sort select { font-size: 12px; background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 3px 6px; }
.table-wrap { overflow: auto; flex: 1; }
table { width: 100%; border-collapse: collapse; font-size: 13px; table-layout: fixed; }
col.c-date { width: 19%; } col.c-site { width: 36%; } col.c-change { width: 27%; } col.c-area { width: 18%; }
thead th { position: sticky; top: 0; background: var(--surface); text-align: left; font-weight: 500; color: var(--text-3); font-size: 11px; text-transform: uppercase; letter-spacing: .04em; padding: 6px 10px; border-bottom: 1px solid var(--border); z-index: 1; }
tbody td { padding: 7px 8px; overflow-wrap: anywhere; border-bottom: 1px solid var(--border); vertical-align: top; }
tbody tr { cursor: pointer; }
tbody tr:hover { background: var(--surface-2); }
tbody tr.sel { background: var(--surface-2); box-shadow: inset 3px 0 0 var(--sel); }
td.date { white-space: nowrap; color: var(--text-2); font-variant-numeric: tabular-nums; }
td.site .addr { font-weight: 500; }
td.site .id { color: var(--text-3); font-size: 11px; font-family: var(--mono); }
td.change .code { white-space: nowrap; }
.code { font-family: var(--mono); font-size: 12px; }
.dir { display: inline-flex; align-items: center; gap: 5px; }
.dir .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c); border: 1.5px solid var(--c); flex: none; }
.dir .dot.hollow { background: transparent; }
.badge { display: inline-block; font-size: 10px; padding: 1px 5px; border-radius: 4px; border: 1px solid var(--border); color: var(--text-2); vertical-align: middle; text-transform: uppercase; letter-spacing: .04em; }
.badge.ocr { border-color: var(--ocr); color: var(--text); background: color-mix(in srgb, var(--ocr) 18%, transparent); }
.badge.warn { border-color: var(--down); }
#more { margin: 10px; width: calc(100% - 20px); }
.empty { padding: 24px 12px; color: var(--text-3); text-align: center; }

.detail {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(520px, 100%); background: var(--surface); border-left: 1px solid var(--border);
  box-shadow: var(--shadow); overflow: auto; z-index: 600; padding: 14px 16px 24px;
}
.detail .close { position: absolute; top: 8px; right: 10px; }
.detail h2 { margin: 2px 0 2px; font-size: 17px; font-weight: 650; padding-right: 60px; }
.detail .meta { color: var(--text-2); font-size: 13px; margin: 0 0 10px; }
.detail .meta a { font-family: var(--mono); font-size: 12px; }
.detail h3 { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-3); margin: 16px 0 6px; font-weight: 600; }
.detail dl { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; margin: 0; font-size: 13px; }
.detail dt { color: var(--text-3); }
.detail dd { margin: 0; }
.trans { border: 1px solid var(--border); border-radius: var(--radius); padding: 8px 10px; margin-bottom: 6px; display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; align-items: center; }
.trans .codes { font-family: var(--mono); font-size: 14px; }
.trans .far { color: var(--text-3); font-size: 12px; grid-column: 1 / -1; }
.clause { font-family: var(--mono); font-size: 11.5px; line-height: 1.5; white-space: pre-wrap; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px; max-height: 320px; overflow: auto; color: var(--text-2); }
.clause b { color: var(--text); background: color-mix(in srgb, var(--accent) 18%, transparent); border-radius: 3px; padding: 0 2px; }
.note { font-size: 12px; color: var(--text-3); }

.foot { padding: 8px 16px 14px; border-top: 1px solid var(--border); background: var(--surface); font-size: 13px; color: var(--text-2); }
.foot summary { cursor: pointer; color: var(--text-3); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.about { max-width: 820px; }
.about p { margin: 8px 0; }

@media (max-width: 860px) {
  body { height: auto; min-height: 100vh; overflow: auto; }
  .main { grid-template-columns: 1fr; grid-template-rows: 46vh auto; }
  .results { border-left: 0; border-top: 1px solid var(--border); max-height: none; }
  .table-wrap { max-height: 60vh; }
  .detail { position: fixed; top: auto; bottom: 0; height: 80vh; width: 100%; border-top: 1px solid var(--border); border-radius: 12px 12px 0 0; }
  .filters input[list] { width: 72px; }
}