:root {
  --navy: #1f3a5f;
  --bg: #f4f7fb;
  --card: #ffffff;
  --text: #1c2733;
  --muted: #55657a;
  --border: #d0d9e4;
  --accent: #0072b2;
  --ok: #1e6b34;
  --ok-bg: #e6f4ea;
  --err: #a12626;
  --err-bg: #fdeaea;
  --warn: #6f5000;
  --warn-bg: #fff6e0;
  --load: #1f4c86;
  --load-bg: #e8f0fb;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}
.skip-link { position: absolute; left: -999px; top: 0; background: #fff; padding: 8px 12px; z-index: 10; }
.skip-link:focus { left: 8px; top: 8px; }
:focus-visible { outline: 3px solid #e69f00; outline-offset: 2px; }

.app-header {
  background: var(--navy);
  color: #fff;
  padding: 18px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: flex-start;
}
.app-header h1 { margin: 0; font-size: 1.5rem; }
.subtitle { margin: 4px 0 0; opacity: 0.9; }
.header-right { text-align: right; }
.header-right .meta { margin: 2px 0; font-size: 0.85rem; }
.source-status { list-style: none; margin: 0 0 6px; padding: 0; font-size: 0.85rem; }
.source-status li { margin: 2px 0; }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 4px; background: #9fb3c8; }
.dot.ok { background: #56d38a; }
.dot.error { background: #ff8a80; }
.dot.loading { background: #ffd166; }

button {
  background: #fff;
  color: var(--navy);
  border: 1px solid #fff;
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 6px;
}
button:hover { background: #e8eef7; }
button:disabled { opacity: 0.6; cursor: wait; }
button.secondary { background: var(--navy); color: #fff; border-color: var(--navy); margin-top: 0; }
button.secondary:hover { background: #2b4d7c; }

main { max-width: 1240px; margin: 0 auto; padding: 20px 16px 48px; }
.status { padding: 12px 16px; border-radius: 8px; margin-bottom: 12px; font-weight: 500; }
.status.loading { background: var(--load-bg); color: var(--load); }
.status.ok { background: var(--ok-bg); color: var(--ok); }
.status.error { background: var(--err-bg); color: var(--err); }
.notice { padding: 10px 14px; border-radius: 8px; margin: 0 0 8px; font-size: 0.92rem; }
.notice.warn { background: var(--warn-bg); color: var(--warn); }
.muted { color: var(--muted); font-size: 0.9rem; margin: 6px 0; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  margin: 0 0 16px;
}
.card h2 { margin: 0 0 8px; font-size: 1.1rem; color: var(--navy); }
.section-title { font-size: 1.1rem; color: var(--navy); margin: 8px 0; }

.filters { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; align-items: end; }
.filters label { display: flex; flex-direction: column; font-size: 0.85rem; color: var(--muted); gap: 4px; }
.filters select, .filters input {
  font-size: 0.95rem; padding: 8px; border: 1px solid #8a99ab; border-radius: 6px; background: #fff; color: var(--text);
}

.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpi { background: var(--card); border: 1px solid var(--border); border-left: 5px solid var(--accent); border-radius: 8px; padding: 12px 14px; }
.kpi .label { font-size: 0.8rem; color: var(--muted); }
.kpi .value { font-size: 1.4rem; font-weight: 700; color: var(--navy); margin-top: 2px; word-break: break-word; }
.kpi .hint { font-size: 0.75rem; color: var(--muted); margin-top: 2px; }

.chart-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.chart-card { margin: 0; min-width: 0; }
.chart-card.wide { grid-column: 1 / -1; }
.chart-card figcaption { font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.chart-box { position: relative; height: 300px; }
.chart-fallback { font-size: 0.9rem; color: var(--muted); }
details.chart-data { margin-top: 8px; font-size: 0.85rem; }
details.chart-data summary { cursor: pointer; color: var(--accent); font-weight: 600; }

.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 0.88rem; }
th { background: var(--navy); color: #fff; text-align: left; padding: 0; white-space: nowrap; }
th button {
  background: transparent; color: #fff; border: 0; margin: 0; width: 100%; text-align: inherit;
  padding: 9px 10px; border-radius: 0; font-size: 0.88rem;
}
th button:hover { background: #2b4d7c; }
th.plain { padding: 9px 10px; }
td { padding: 7px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
td.num, th.num { text-align: right; }
tbody tr:nth-child(even) { background: #f7f9fc; }

.answer { border-top: 1px solid var(--border); padding: 12px 0; }
.answer:first-child { border-top: 0; }
.answer h3 { margin: 0 0 4px; font-size: 1rem; color: var(--navy); }
.answer .qid { display: inline-block; background: var(--accent); color: #fff; border-radius: 4px; padding: 1px 8px; margin-right: 6px; font-size: 0.85rem; }
.answer .result { margin: 4px 0 8px; font-weight: 600; }
.answer .table-wrap { margin-top: 6px; }

@media (max-width: 720px) {
  .chart-grid { grid-template-columns: 1fr; }
  .header-right { text-align: left; }
  .chart-box { height: 260px; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

.empty-state { grid-column: 1 / -1; background: var(--warn-bg); color: var(--warn); border: 1px solid #e6c56a; border-radius: 8px; padding: 14px 16px; font-weight: 600; }
.method-list { margin: 6px 0 10px 20px; padding: 0; }