:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --border: #d9dde2;
  --text: #1f2329;
  --muted: #6b7380;
  --accent: #2563eb;
  --row-alt: #fafbfc;
  --row-hover: #eef3fb;
  --highlight: #facc15;
}

* { box-sizing: border-box; }

html, body { height: 100%; margin: 0; }
body {
  font: 13px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  display: grid;
  grid-template-columns: 260px 1fr;
  grid-template-rows: 44px 1fr 260px;
  grid-template-areas:
    "topbar topbar"
    "legend map"
    "legend table";
  overflow: hidden;
}

#topbar {
  grid-area: topbar;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  gap: 16px;
}
#topbar .title { display: flex; align-items: baseline; gap: 10px; }
#topbar #meta { color: var(--muted); font-size: 12px; }
#topbar .controls { display: flex; gap: 6px; }
#topbar button {
  font: inherit;
  padding: 4px 10px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
}
#topbar button:hover { background: var(--row-hover); }

#legend {
  grid-area: legend;
  background: var(--panel);
  border-right: 1px solid var(--border);
  overflow-y: auto;
}
.legend-head {
  position: sticky; top: 0;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 8px 12px;
  font-weight: 600;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
#legend-list { padding: 6px 0; }
.legend-row {
  display: grid;
  grid-template-columns: 18px 14px 1fr auto auto;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  cursor: pointer;
  user-select: none;
}
.legend-row:hover { background: var(--row-hover); }
.legend-row .only-btn {
  font: 600 10px/1 system-ui, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 2px 5px;
  cursor: pointer;
  opacity: 0.4;
  transition: opacity 0.12s, background 0.12s, color 0.12s;
}
.legend-row:hover .only-btn { opacity: 1; }
.legend-row .only-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.legend-row .only-btn:focus { opacity: 1; outline: 2px solid var(--accent); outline-offset: 1px; }
.legend-row input[type="checkbox"] { margin: 0; }
.legend-row .swatch {
  width: 14px; height: 14px;
  border: 1px solid rgba(0,0,0,0.25);
  border-radius: 3px;
}
.legend-row .label { display: flex; flex-direction: column; min-width: 0; }
.legend-row .code { font-weight: 600; font-size: 12.5px; }
.legend-row .desc {
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.legend-row .count {
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  color: var(--muted);
}

#map {
  grid-area: map;
  position: relative;
  min-width: 0;
  min-height: 0;
}

#table-panel {
  grid-area: table;
  background: var(--panel);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.table-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
}
#search {
  flex: 1;
  font: inherit;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
}
#row-count { color: var(--muted); font-size: 12px; white-space: nowrap; }

.table-scroll { flex: 1; overflow: auto; }
#table-panel table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}
#table-panel thead th {
  position: sticky;
  top: 0;
  background: #f1f3f5;
  text-align: left;
  font-weight: 600;
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  white-space: nowrap;
}
#table-panel thead th.num { text-align: right; }
#table-panel thead th.sort-asc::after  { content: " \25B2"; color: var(--muted); }
#table-panel thead th.sort-desc::after { content: " \25BC"; color: var(--muted); }
#table-panel tbody td {
  padding: 4px 10px;
  border-bottom: 1px solid #eef0f3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 360px;
}
#table-panel tbody td.num { text-align: right; font-variant-numeric: tabular-nums; }
#table-panel tbody tr:nth-child(even) { background: var(--row-alt); }
#table-panel tbody tr:hover { background: var(--row-hover); cursor: pointer; }
#table-panel tbody tr.selected { background: #fff7cc; }
#table-panel tbody tr.selected:hover { background: #fff1a8; }

.popup-table { border-collapse: collapse; font-size: 12px; }
.popup-table td { padding: 2px 6px 2px 0; vertical-align: top; }
.popup-table td.k { color: var(--muted); }
.popup-table td.v { font-weight: 500; }

.popup-actions {
  margin-top: 8px;
  padding-top: 6px;
  border-top: 1px solid #eee;
  display: flex;
  gap: 12px;
}
.popup-actions a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  font-size: 12px;
}
.popup-actions a:hover { text-decoration: underline; }

.maplibregl-popup-content { padding: 10px 12px; }