:root {
  --bg: #0f1419;
  --panel: #1a212b;
  --panel-border: #2a3441;
  --text: #e6edf3;
  --muted: #9aa7b4;
  --accent: #4cc2ff;
  --accent-press: #2aa3e0;
  --warn: #d29922;
  --bad: #f85149;
  --good: #3fb950;
  --male: #3182bd;
  --female: #dd3497;
  --chip: #12283a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

header, main, footer { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
header { padding-top: 32px; }

h1 { margin: 0 0 8px; font-size: 1.9rem; }
.subtitle { color: var(--muted); max-width: 90ch; }
.subtitle a { color: var(--accent); }

.repo-link { margin: 6px 0 0; font-size: 0.85rem; }
.repo-link a { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); text-decoration: none; }
.repo-link a:hover { color: var(--accent); }
.repo-link svg { display: block; }

.status {
  display: inline-block; margin-top: 8px; padding: 6px 12px;
  border-radius: 999px; font-size: 0.85rem; font-weight: 600;
}
.status--loading { background: #3a2f12; color: var(--warn); }
.status--ready   { background: #12331c; color: var(--good); }
.status--busy    { background: #12283a; color: var(--accent); }
.status--error   { background: #3a1414; color: var(--bad); }

main { margin-top: 24px; display: flex; flex-direction: column; gap: 20px; }

.panel {
  background: var(--panel); border: 1px solid var(--panel-border);
  border-radius: 12px; padding: 20px;
}
.panel h2 { margin-top: 0; font-size: 1.1rem; }
.muted { color: var(--muted); }

/* explainer */
.explainer .geo-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px; margin-top: 12px;
}
.explainer .geo-grid > div {
  background: #0f1620; border: 1px solid var(--panel-border);
  border-radius: 10px; padding: 12px 14px; font-size: 0.9rem;
}

/* controls */
.ctl-row { display: flex; flex-wrap: wrap; gap: 16px; align-items: flex-end; margin-bottom: 16px; }
.field { margin: 0; }
.field > label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; }
select {
  background: #0f1620; border: 1px solid var(--panel-border); color: var(--text);
  border-radius: 8px; padding: 9px 10px; font-size: 0.95rem; min-width: 120px;
}

.segmented { display: inline-flex; border: 1px solid var(--panel-border); border-radius: 8px; overflow: hidden; }
.seg-btn {
  font: inherit; font-weight: 600; padding: 9px 16px; border: 0; cursor: pointer;
  background: #0f1620; color: var(--muted); border-right: 1px solid var(--panel-border);
}
.seg-btn:last-child { border-right: 0; }
.seg-btn:hover { color: var(--text); }
.seg-btn.is-active { background: var(--accent); color: #04121c; }

.btn {
  font: inherit; font-weight: 600; border-radius: 8px; padding: 8px 14px;
  cursor: pointer; border: 1px solid transparent;
}
.btn--ghost { background: transparent; border-color: var(--panel-border); color: var(--text); }
.btn--ghost:hover { border-color: var(--accent); }

/* multi-select picker */
.picker { border: 1px solid var(--panel-border); border-radius: 10px; background: #0f1620; }
.picker-bar { display: flex; gap: 8px; padding: 10px; border-bottom: 1px solid var(--panel-border); }
.picker-bar input[type="search"] {
  flex: 1; background: #0b1118; border: 1px solid var(--panel-border); color: var(--text);
  border-radius: 8px; padding: 8px 10px; font-size: 0.95rem;
}

.chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 10px; }
.chips:empty { display: none; }
.chip {
  display: inline-flex; align-items: center; gap: 6px; background: var(--chip);
  border: 1px solid var(--panel-border); color: var(--text); border-radius: 999px;
  padding: 3px 6px 3px 10px; font-size: 0.8rem;
}
.chip button { background: none; border: 0; color: var(--muted); cursor: pointer; font-size: 1rem; line-height: 1; padding: 0 2px; }
.chip button:hover { color: var(--bad); }
.chip.more { background: transparent; border: 0; color: var(--muted); }

.groups { max-height: 320px; overflow-y: auto; padding: 4px 0 8px; }
.group-head {
  display: flex; align-items: center; gap: 8px; padding: 7px 12px; cursor: pointer;
  position: sticky; top: 0; background: #131a24; border-top: 1px solid var(--panel-border);
  font-weight: 600; font-size: 0.9rem;
}
.group-head .chev { color: var(--muted); font-size: 0.8rem; width: 12px; }
.group-head .count { color: var(--muted); font-weight: 400; font-size: 0.8rem; margin-left: auto; }
.area-row { display: flex; align-items: center; gap: 8px; padding: 5px 12px 5px 32px; font-size: 0.9rem; }
.area-row:hover { background: #131a24; }
.area-row label { cursor: pointer; }
input[type="checkbox"] { accent-color: var(--accent); width: 15px; height: 15px; }
.empty { color: var(--muted); font-style: italic; padding: 12px; }

.hint { color: var(--muted); font-style: italic; }

.chart-wrap { width: 100%; overflow-x: auto; }
#chart { width: 100%; height: auto; border-radius: 8px; background: #fff; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: #0f1620; border: 1px solid var(--panel-border); border-radius: 10px; padding: 12px 14px; }
.stat .v { font-size: 1.4rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat .l { color: var(--muted); font-size: 0.78rem; margin-top: 2px; }
.stat--growth .v { color: var(--good); }
.stat--shrink .v { color: var(--bad); }

.takeaway {
  margin-top: 4px; padding: 12px 14px; background: #0f1620;
  border-left: 3px solid var(--accent); border-radius: 6px; font-size: 0.95rem;
}

footer { padding: 24px 20px 40px; color: var(--muted); font-size: 0.85rem; }
footer a { color: var(--accent); }
footer code { color: var(--accent); }

footer .attribution { font-size: 0.8rem; line-height: 1.55; }