:root {
  --bg: #ffffff;
  --panel: #ffffff;
  --ink: #000000;
  --ink-soft: #666666;
  --line: #e5e5e5;
  --accent: #000000;
  --accent-soft: #fafafa;
  --gold: #8f7547;
  --radius: 0px;
  --shadow: none;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

h1, h2, h3, .num-display { font-family: Georgia, "Times New Roman", serif; font-weight: 300; }

/* ---------- topbar ---------- */
.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 28px;
  border-bottom: 1px solid #222222;
  background: #000000;
  color: #ffffff;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { margin: 0; font-size: 24px; letter-spacing: 1px; color: #ffffff; font-family: 'Playfair Display', Georgia, serif; font-weight: 400; }
.brand-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--gold);
  align-self: center;
}
.brand-sub { color: #888888; font-size: 12px; font-family: monospace; }
.tabs { display: flex; gap: 8px; }
.tabs a {
  padding: 8px 12px;
  color: #888888;
  text-decoration: none;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}
.tabs a.active {
  color: #ffffff;
  border-bottom-color: var(--gold);
}
.tabs a:hover { color: #ffffff; }

/* ---------- layout ---------- */
#main { max-width: 1240px; margin: 26px auto 40px; padding: 0 24px; }
.loading { text-align: center; color: var(--ink-soft); padding: 80px 0; font-style: italic; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 22px;
  margin-bottom: 22px;
}
.panel h2 { margin: 0 0 4px; font-size: 20px; }
.panel .hint { color: var(--ink-soft); font-size: 13px; margin: 0 0 14px; }

.grid { display: grid; gap: 22px; }
.grid.two { grid-template-columns: 1fr 1fr; }
@media (max-width: 900px) { .grid.two { grid-template-columns: 1fr; } }

/* ---------- KPI cards ---------- */
.kpi-row { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 22px; }
.kpi-card {
  flex: 1 1 180px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px 18px;
}
.kpi-card .kpi-name { font-size: 12px; text-transform: uppercase; letter-spacing: 1px; color: var(--ink-soft); }
.kpi-card .num-display { font-size: 30px; margin: 2px 0; }
.kpi-card .kpi-delta { font-size: 13px; }
.kpi-delta.up { color: #1e7a3c; }
.kpi-delta.down { color: var(--accent); }
.kpi-delta.flat { color: var(--ink-soft); }

/* ---------- controls ---------- */
.controls { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; margin-bottom: 14px; }
.controls label { font-size: 13px; color: var(--ink-soft); }
select, input[type="search"], input[type="text"] {
  font: inherit;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
}
select:focus, input:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }

.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 9px; overflow: hidden; }
.seg button {
  font: inherit; border: 0; background: #fff; color: var(--ink-soft);
  padding: 7px 14px; cursor: pointer; border-right: 1px solid var(--line);
}
.seg button:last-child { border-right: 0; }
.seg button.active { background: var(--accent); color: #fff; }

/* ---------- station picker ---------- */
.picker { position: relative; min-width: 280px; flex: 1; max-width: 420px; }
.picker input { width: 100%; }
.picker-list {
  position: absolute; z-index: 30; top: calc(100% + 4px); left: 0; right: 0;
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
  box-shadow: var(--shadow); max-height: 320px; overflow: auto; display: none;
}
.picker-list.open { display: block; }
.picker-list button {
  display: flex; justify-content: space-between; gap: 10px;
  width: 100%; text-align: left; font: inherit; padding: 8px 12px;
  background: none; border: 0; cursor: pointer;
}
.picker-list button:hover { background: var(--accent-soft); }
.picker-list .meta { color: var(--ink-soft); font-size: 12px; white-space: nowrap; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--line); border-radius: 999px;
  background: #fff; padding: 4px 8px 4px 14px; font-size: 13px;
}
.chip .swatch { width: 10px; height: 10px; border-radius: 50%; }
.chip button { border: 0; background: none; cursor: pointer; color: var(--ink-soft); font-size: 15px; padding: 0 4px; }
.chip button:hover { color: var(--accent); }

/* ---------- charts & tables ---------- */
.chart { width: 100%; height: 420px; }
.chart.tall { height: 500px; }
.chart.short { height: 300px; }

table.data {
  width: 100%; border-collapse: collapse; font-size: 13.5px;
  font-variant-numeric: tabular-nums;
}
table.data th, table.data td { padding: 7px 10px; border-bottom: 1px solid var(--line); text-align: right; }
table.data th:first-child, table.data td:first-child { text-align: left; }
table.data thead th {
  position: sticky; top: 0; background: #fdfaf4; color: var(--ink-soft);
  font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .5px;
}
table.data tbody tr:hover { background: #fdf6ee; }
.tbl-wrap { max-height: 480px; overflow: auto; border: 1px solid var(--line); border-radius: 10px; }
td.rank { color: var(--ink-soft); width: 42px; }
td .bar {
  display: inline-block; height: 9px; border-radius: 4px;
  background: linear-gradient(90deg, #d98992, var(--accent));
  vertical-align: middle; margin-right: 8px;
}
.delta-pos { color: #1e7a3c; }
.delta-neg { color: var(--accent); }

.footnote { color: var(--ink-soft); font-size: 12.5px; margin-top: 10px; }

/* ---------- footer ---------- */
.footer { max-width: 1240px; margin: 0 auto 30px; padding: 0 24px; color: var(--ink-soft); font-size: 12.5px; }
.footer b { color: var(--ink); }

a.stlink { color: var(--accent); text-decoration: none; cursor: pointer; }
a.stlink:hover { text-decoration: underline; }